./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2736391324
<...>
Warning: Permanently added '10.128.0.32' (ED25519) to the list of known hosts.
execve("./syz-executor2736391324", ["./syz-executor2736391324"], 0x7ffd6ff4aae0 /* 10 vars */) = 0
brk(NULL) = 0x555567d7a000
brk(0x555567d7ad00) = 0x555567d7ad00
arch_prctl(ARCH_SET_FS, 0x555567d7a380) = 0
set_tid_address(0x555567d7a650) = 289
set_robust_list(0x555567d7a660, 24) = 0
rseq(0x555567d7aca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2736391324", 4096) = 28
getrandom("\x1c\xb0\x7d\x31\xd7\x9c\x1f\x68", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555567d7ad00
brk(0x555567d9bd00) = 0x555567d9bd00
brk(0x555567d9c000) = 0x555567d9c000
mprotect(0x7f70a8fe3000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
mkdir("./syzkaller.s3LXrO", 0700) = 0
chmod("./syzkaller.s3LXrO", 0777) = 0
chdir("./syzkaller.s3LXrO") = 0
mkdir("./0", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 290
./strace-static-x86_64: Process 290 attached
[pid 290] set_robust_list(0x555567d7a660, 24) = 0
[pid 290] chdir("./0") = 0
[pid 290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 290] setpgid(0, 0) = 0
[pid 290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 290] write(3, "1000", 4executing program
) = 4
[pid 290] close(3) = 0
[pid 290] symlink("/dev/binderfs", "./binderfs") = 0
[pid 290] write(1, "executing program\n", 18) = 18
[pid 290] memfd_create("syzkaller", 0) = 3
[pid 290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 290] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 290] munmap(0x7f70a0b30000, 138412032) = 0
[pid 290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 290] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 290] close(3) = 0
[pid 290] close(4) = 0
[pid 290] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 37.567801][ T28] audit: type=1400 audit(1747609468.485:64): avc: denied { execmem } for pid=289 comm="syz-executor273" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 37.586131][ T290] loop0: detected capacity change from 0 to 512
[ 37.593527][ T28] audit: type=1400 audit(1747609468.485:65): avc: denied { read write } for pid=289 comm="syz-executor273" name="loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 37.596039][ T290] EXT4-fs: Ignoring removed orlov option
[ 37.624084][ T28] audit: type=1400 audit(1747609468.485:66): avc: denied { open } for pid=289 comm="syz-executor273" path="/dev/loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 37.632529][ T290] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 37.649183][ T28] audit: type=1400 audit(1747609468.485:67): avc: denied { ioctl } for pid=289 comm="syz-executor273" path="/dev/loop0" dev="devtmpfs" ino=118 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 37.662746][ T290] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[pid 290] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 290] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 290] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 290] ioctl(4, LOOP_CLR_FD) = 0
[pid 290] close(4) = 0
[pid 290] chdir("./file0") = 0
[pid 290] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 290] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 290] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 290] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 290] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 290] exit_group(0) = ?
[pid 290] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
[ 37.687878][ T28] audit: type=1400 audit(1747609468.515:68): avc: denied { mounton } for pid=290 comm="syz-executor273" path=2F726F6F742F73797A6B616C6C65722E73334C58724F2F302FE91F7189591E9233614B dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 37.701213][ T290] EXT4-fs (loop0): 1 orphan inode deleted
[ 37.733806][ T290] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 37.742621][ T28] audit: type=1400 audit(1747609468.655:69): avc: denied { mount } for pid=290 comm="syz-executor273" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 37.764663][ T28] audit: type=1400 audit(1747609468.675:70): avc: denied { write } for pid=290 comm="syz-executor273" name="file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 37.787321][ T28] audit: type=1400 audit(1747609468.675:71): avc: denied { add_name } for pid=290 comm="syz-executor273" name="net_prio.prioidx" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 37.788401][ T289] EXT4-fs (loop0): unmounting filesystem.
umount2("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./0") = 0
mkdir("./1", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 295
./strace-static-x86_64: Process 295 attached
[pid 295] set_robust_list(0x555567d7a660, 24) = 0
[pid 295] chdir("./1") = 0
[pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 295] setpgid(0, 0) = 0
[pid 295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 295] write(3, "1000", 4) = 4
[pid 295] close(3) = 0
[pid 295] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 295] write(1, "executing program\n", 18) = 18
[pid 295] memfd_create("syzkaller", 0) = 3
[pid 295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 295] munmap(0x7f70a0b30000, 138412032) = 0
[pid 295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 37.809196][ T28] audit: type=1400 audit(1747609468.675:72): avc: denied { create } for pid=290 comm="syz-executor273" name="net_prio.prioidx" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 37.836445][ T28] audit: type=1400 audit(1747609468.675:73): avc: denied { read append open } for pid=290 comm="syz-executor273" path=2F726F6F742F73797A6B616C6C65722E73334C58724F2F302FE91F7189591E9233614B2F66696C65302F6E65745F7072696F2E7072696F696478 dev="loop0" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[pid 295] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 295] close(3) = 0
[pid 295] close(4) = 0
[pid 295] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 37.884025][ T295] loop0: detected capacity change from 0 to 512
[ 37.891452][ T295] EXT4-fs: Ignoring removed orlov option
[ 37.900461][ T295] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 37.914860][ T295] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 37.927996][ T295] EXT4-fs (loop0): 1 orphan inode deleted
[pid 295] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 295] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 295] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 295] ioctl(4, LOOP_CLR_FD) = 0
[pid 295] close(4) = 0
[pid 295] chdir("./file0") = 0
[pid 295] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 295] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 295] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 295] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 295] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 295] exit_group(0) = ?
[pid 295] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=295, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./1/binderfs") = 0
umount2("\x2e\x2f\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./1") = 0
mkdir("./2", 0777executing program
) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 297
./strace-static-x86_64: Process 297 attached
[pid 297] set_robust_list(0x555567d7a660, 24) = 0
[pid 297] chdir("./2") = 0
[pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 297] setpgid(0, 0) = 0
[pid 297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 297] write(3, "1000", 4) = 4
[pid 297] close(3) = 0
[pid 297] symlink("/dev/binderfs", "./binderfs") = 0
[pid 297] write(1, "executing program\n", 18) = 18
[pid 297] memfd_create("syzkaller", 0) = 3
[pid 297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 297] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 297] munmap(0x7f70a0b30000, 138412032) = 0
[pid 297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 297] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 297] close(3) = 0
[pid 297] close(4) = 0
[pid 297] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 37.933725][ T295] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 37.954832][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 37.971224][ T297] loop0: detected capacity change from 0 to 512
[ 37.978570][ T297] EXT4-fs: Ignoring removed orlov option
[pid 297] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 297] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 297] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 297] ioctl(4, LOOP_CLR_FD) = 0
[pid 297] close(4) = 0
[pid 297] chdir("./file0") = 0
[pid 297] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 297] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 297] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 297] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 297] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 297] exit_group(0) = ?
[pid 297] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=297, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./2/binderfs") = 0
[ 37.986448][ T297] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 38.000591][ T297] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 38.013676][ T297] EXT4-fs (loop0): 1 orphan inode deleted
[ 38.019467][ T297] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./2") = 0
mkdir("./3", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 299
./strace-static-x86_64: Process 299 attached
[pid 299] set_robust_list(0x555567d7a660, 24) = 0
[pid 299] chdir("./3") = 0
[pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 299] setpgid(0, 0) = 0
[pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 299] write(3, "1000", 4) = 4
[pid 299] close(3) = 0
[pid 299] symlink("/dev/binderfs", "./binderfs") = 0
[pid 299] write(1, "executing program\n", 18executing program
) = 18
[pid 299] memfd_create("syzkaller", 0) = 3
[pid 299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 299] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 299] munmap(0x7f70a0b30000, 138412032) = 0
[pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 299] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 299] close(3) = 0
[pid 299] close(4) = 0
[pid 299] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 38.048633][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 38.064364][ T299] loop0: detected capacity change from 0 to 512
[ 38.072321][ T299] EXT4-fs: Ignoring removed orlov option
[ 38.079996][ T299] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[pid 299] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 299] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 299] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 299] ioctl(4, LOOP_CLR_FD) = 0
[pid 299] close(4) = 0
[pid 299] chdir("./file0") = 0
[pid 299] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 299] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 299] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 299] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 299] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 299] exit_group(0) = ?
[pid 299] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=299, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./3/binderfs") = 0
umount2("\x2e\x2f\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./3") = 0
mkdir("./4", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 301
./strace-static-x86_64: Process 301 attached
[pid 301] set_robust_list(0x555567d7a660, 24) = 0
[pid 301] chdir("./4") = 0
[pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 301] setpgid(0, 0) = 0
[pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 301] write(3, "1000", 4) = 4
[pid 301] close(3) = 0
[pid 301] symlink("/dev/binderfs", "./binderfs") = 0
[pid 301] write(1, "executing program\n", 18executing program
) = 18
[pid 301] memfd_create("syzkaller", 0) = 3
[pid 301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 301] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 301] munmap(0x7f70a0b30000, 138412032) = 0
[pid 301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 38.094313][ T299] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 38.107983][ T299] EXT4-fs (loop0): 1 orphan inode deleted
[ 38.113735][ T299] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 38.135157][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 301] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 301] close(3) = 0
[pid 301] close(4) = 0
[pid 301] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 38.157175][ T301] loop0: detected capacity change from 0 to 512
[ 38.164854][ T301] EXT4-fs: Ignoring removed orlov option
[ 38.173503][ T301] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 38.187981][ T301] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 38.200909][ T301] EXT4-fs (loop0): 1 orphan inode deleted
[pid 301] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 301] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 301] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 301] ioctl(4, LOOP_CLR_FD) = 0
[pid 301] close(4) = 0
[pid 301] chdir("./file0") = 0
[pid 301] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 301] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 301] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 301] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[ 38.206723][ T301] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 38.221290][ T301] ==================================================================
[ 38.229395][ T301] BUG: KASAN: use-after-free in ext4_insert_dentry+0x388/0x710
[ 38.236981][ T301] Write of size 251 at addr ffff888125da0f14 by task syz-executor273/301
[ 38.245391][ T301]
[ 38.247710][ T301] CPU: 1 PID: 301 Comm: syz-executor273 Not tainted 6.1.134-syzkaller-00016-ga0fa2316cce1 #0
[ 38.257850][ T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
[ 38.267908][ T301] Call Trace:
[ 38.271182][ T301] <TASK>
[ 38.274150][ T301] __dump_stack+0x21/0x24
[ 38.278485][ T301] dump_stack_lvl+0xee/0x150
[ 38.283081][ T301] ? __cfi_dump_stack_lvl+0x8/0x8
[ 38.288109][ T301] ? __cfi__printk+0x8/0x8
[ 38.292519][ T301] ? ext4_insert_dentry+0x388/0x710
[ 38.297713][ T301] print_address_description+0x71/0x210
[ 38.303271][ T301] print_report+0x4a/0x60
[ 38.307612][ T301] kasan_report+0x122/0x150
[ 38.312110][ T301] ? ext4_insert_dentry+0x388/0x710
[ 38.317391][ T301] ? ext4_insert_dentry+0x388/0x710
[ 38.322588][ T301] kasan_check_range+0x280/0x290
[ 38.327542][ T301] memcpy+0x44/0x70
[ 38.331354][ T301] ext4_insert_dentry+0x388/0x710
[ 38.336389][ T301] add_dirent_to_buf+0x2ac/0x670
[ 38.341590][ T301] make_indexed_dir+0xe55/0x14a0
[ 38.346528][ T301] ? add_dirent_to_buf+0x670/0x670
[ 38.351637][ T301] ? add_dirent_to_buf+0x45b/0x670
[ 38.356746][ T301] ext4_add_entry+0xb45/0xd70
[ 38.361579][ T301] ? ext4_inc_count+0x1b0/0x1b0
[ 38.366448][ T301] ? __cfi___ext4_new_inode+0x10/0x10
[ 38.371830][ T301] ? dquot_initialize+0x20/0x20
[ 38.376779][ T301] ext4_add_nondir+0x97/0x270
[ 38.381565][ T301] ext4_symlink+0x842/0x9b0
[ 38.386075][ T301] ? __cfi_ext4_symlink+0x10/0x10
[ 38.391112][ T301] ? security_inode_symlink+0xcf/0x120
[ 38.396624][ T301] vfs_symlink+0x261/0x3f0
[ 38.401055][ T301] do_symlinkat+0x124/0x5a0
[ 38.405552][ T301] __x64_sys_symlink+0x7e/0x90
[ 38.410348][ T301] x64_sys_call+0x369/0x9a0
[ 38.414852][ T301] do_syscall_64+0x4c/0xa0
[ 38.419264][ T301] ? clear_bhb_loop+0x15/0x70
[ 38.423937][ T301] ? clear_bhb_loop+0x15/0x70
[ 38.428605][ T301] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 38.434580][ T301] RIP: 0033:0x7f70a8f6f3a9
[ 38.439015][ T301] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 38.458622][ T301] RSP: 002b:00007ffd35709b18 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
[ 38.467038][ T301] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f70a8f6f3a9
[ 38.475029][ T301] RDX: 0000000000000000 RSI: 0000200000000cc0 RDI: 0000200000000dc0
[ 38.483001][ T301] RBP: 0000200000000180 R08: 00007ffd35709b50 R09: 00007ffd35709b50
[ 38.491002][ T301] R10: 00007ffd35709b50 R11: 0000000000000246 R12: 00007ffd35709b3c
[ 38.498972][ T301] R13: 0000000000000004 R14: 431bde82d7b634db R15: 00007ffd35709b70
[ 38.507013][ T301] </TASK>
[ 38.510034][ T301]
[ 38.512376][ T301] The buggy address belongs to the physical page:
[ 38.518929][ T301] page:ffffea0004976800 refcount:3 mapcount:0 mapping:ffff88810b587dd0 index:0x3f pfn:0x125da0
[ 38.529379][ T301] memcg:ffff888100334000
[ 38.533627][ T301] aops:def_blk_aops ino:700000
[ 38.538488][ T301] flags: 0x420000000000204a(referenced|dirty|workingset|private|zone=1)
[ 38.546909][ T301] raw: 420000000000204a 0000000000000000 dead000000000122 ffff88810b587dd0
[ 38.555581][ T301] raw: 000000000000003f ffff8881248ad930 00000003ffffffff ffff888100334000
[ 38.564179][ T301] page dumped because: kasan: bad access detected
[ 38.570589][ T301] page_owner tracks the page as allocated
[ 38.576291][ T301] page last allocated via order 0, migratetype Movable, gfp_mask 0x148c48(GFP_NOFS|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 301, tgid 301 (syz-executor273), ts 38221092123, free_ts 31910440670
[ 38.596798][ T301] post_alloc_hook+0x1f5/0x210
[ 38.601565][ T301] prep_new_page+0x1c/0x110
[ 38.606162][ T301] get_page_from_freelist+0x2c6e/0x2ce0
[ 38.611709][ T301] __alloc_pages+0x19e/0x3a0
[ 38.616304][ T301] __folio_alloc+0x12/0x40
[ 38.620721][ T301] __filemap_get_folio+0x6ec/0x980
[ 38.625835][ T301] pagecache_get_page+0x2b/0x110
[ 38.630772][ T301] __getblk_gfp+0x217/0x7d0
[ 38.635271][ T301] ext4_getblk+0x26c/0x6d0
[ 38.639716][ T301] ext4_bread+0x2b/0x170
[ 38.643964][ T301] ext4_append+0x2c3/0x560
[ 38.648379][ T301] make_indexed_dir+0x55d/0x14a0
[ 38.653313][ T301] ext4_add_entry+0xb45/0xd70
[ 38.657986][ T301] ext4_add_nondir+0x97/0x270
[ 38.662672][ T301] ext4_symlink+0x842/0x9b0
[ 38.667202][ T301] vfs_symlink+0x261/0x3f0
[ 38.671617][ T301] page last free stack trace:
[ 38.676276][ T301] free_unref_page_prepare+0x742/0x750
[ 38.681732][ T301] free_unref_page_list+0xba/0x7c0
[ 38.686837][ T301] release_pages+0xad1/0xb20
[ 38.691428][ T301] free_pages_and_swap_cache+0x86/0xa0
[ 38.696883][ T301] tlb_finish_mmu+0x1aa/0x370
[ 38.701565][ T301] exit_mmap+0x3c7/0xa40
[ 38.705975][ T301] __mmput+0x93/0x320
[ 38.710079][ T301] mmput+0x4b/0x150
[ 38.714000][ T301] do_exit+0x979/0x2650
[ 38.718208][ T301] do_group_exit+0x210/0x2d0
[ 38.722838][ T301] __x64_sys_exit_group+0x3f/0x40
[ 38.728028][ T301] x64_sys_call+0x7b4/0x9a0
[ 38.732658][ T301] do_syscall_64+0x4c/0xa0
[ 38.737089][ T301] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 38.743003][ T301]
[ 38.745331][ T301] Memory state around the buggy address:
[ 38.750983][ T301] ffff888125da0f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[pid 301] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 301] exit_group(0) = ?
[pid 301] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=301, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./4/binderfs") = 0
[ 38.759047][ T301] ffff888125da0f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 38.767114][ T301] >ffff888125da1000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 38.775163][ T301] ^
[ 38.779224][ T301] ffff888125da1080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 38.787288][ T301] ffff888125da1100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 38.795341][ T301] ==================================================================
[ 38.803501][ T301] Disabling lock debugging due to kernel taint
umount2("\x2e\x2f\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b"executing program
) = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./4") = 0
mkdir("./5", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 303
./strace-static-x86_64: Process 303 attached
[pid 303] set_robust_list(0x555567d7a660, 24) = 0
[pid 303] chdir("./5") = 0
[pid 303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 303] setpgid(0, 0) = 0
[pid 303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 303] write(3, "1000", 4) = 4
[pid 303] close(3) = 0
[pid 303] symlink("/dev/binderfs", "./binderfs") = 0
[pid 303] write(1, "executing program\n", 18) = 18
[pid 303] memfd_create("syzkaller", 0) = 3
[pid 303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 303] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 303] munmap(0x7f70a0b30000, 138412032) = 0
[pid 303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 303] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 303] close(3) = 0
[pid 303] close(4) = 0
[pid 303] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 38.822838][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 38.842714][ T303] loop0: detected capacity change from 0 to 512
[ 38.850410][ T303] EXT4-fs: Ignoring removed orlov option
[ 38.858301][ T303] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[pid 303] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 303] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 303] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 303] ioctl(4, LOOP_CLR_FD) = 0
[pid 303] close(4) = 0
[pid 303] chdir("./file0") = 0
[pid 303] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 303] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 303] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 303] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 303] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 303] exit_group(0) = ?
[pid 303] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=303, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./5/binderfs") = 0
umount2("\x2e\x2f\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./5") = 0
mkdir("./6", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 305
./strace-static-x86_64: Process 305 attached
[pid 305] set_robust_list(0x555567d7a660, 24) = 0
[pid 305] chdir("./6") = 0
[pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 305] setpgid(0, 0) = 0
[pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 305] write(3, "1000", 4) = 4
[pid 305] close(3) = 0
[pid 305] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 305] write(1, "executing program\n", 18) = 18
[pid 305] memfd_create("syzkaller", 0) = 3
[pid 305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 305] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 305] munmap(0x7f70a0b30000, 138412032) = 0
[pid 305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 38.872496][ T303] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 38.886547][ T303] EXT4-fs (loop0): 1 orphan inode deleted
[ 38.892487][ T303] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 38.916249][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 305] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 305] close(3) = 0
[pid 305] close(4) = 0
[pid 305] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 38.932496][ T305] loop0: detected capacity change from 0 to 512
[ 38.940206][ T305] EXT4-fs: Ignoring removed orlov option
[ 38.947905][ T305] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 38.962907][ T305] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 38.975869][ T305] EXT4-fs (loop0): 1 orphan inode deleted
[pid 305] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 305] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 305] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 305] ioctl(4, LOOP_CLR_FD) = 0
[pid 305] close(4) = 0
[pid 305] chdir("./file0") = 0
[pid 305] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 305] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 305] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 305] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 305] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 305] exit_group(0) = ?
[pid 305] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=305, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./6/binderfs") = 0
umount2("\x2e\x2f\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./6") = 0
mkdir("./7", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 307
./strace-static-x86_64: Process 307 attached
[pid 307] set_robust_list(0x555567d7a660, 24) = 0
[pid 307] chdir("./7") = 0
[pid 307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 307] setpgid(0, 0) = 0
[pid 307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 307] write(3, "1000", 4) = 4
[pid 307] close(3) = 0
[pid 307] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 307] write(1, "executing program\n", 18) = 18
[pid 307] memfd_create("syzkaller", 0) = 3
[pid 307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 307] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 307] munmap(0x7f70a0b30000, 138412032) = 0
[pid 307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 38.981628][ T305] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.000332][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 307] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 307] close(3) = 0
[pid 307] close(4) = 0
[pid 307] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.026420][ T307] loop0: detected capacity change from 0 to 512
[ 39.035019][ T307] EXT4-fs: Ignoring removed orlov option
[ 39.042879][ T307] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.057137][ T307] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.070202][ T307] EXT4-fs (loop0): 1 orphan inode deleted
[pid 307] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 307] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 307] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 307] ioctl(4, LOOP_CLR_FD) = 0
[pid 307] close(4) = 0
[pid 307] chdir("./file0") = 0
[pid 307] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 307] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 307] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 307] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 307] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 307] exit_group(0) = ?
[pid 307] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=307, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./7/binderfs") = 0
umount2("\x2e\x2f\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./7") = 0
mkdir("./8", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 309
./strace-static-x86_64: Process 309 attached
[pid 309] set_robust_list(0x555567d7a660, 24) = 0
[pid 309] chdir("./8") = 0
[pid 309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 309] setpgid(0, 0) = 0
[pid 309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 309] write(3, "1000", 4) = 4
[pid 309] close(3) = 0
[pid 309] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 309] write(1, "executing program\n", 18) = 18
[pid 309] memfd_create("syzkaller", 0) = 3
[pid 309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 309] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 309] munmap(0x7f70a0b30000, 138412032) = 0
[pid 309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 309] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 309] close(3) = 0
[pid 309] close(4) = 0
[pid 309] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.075995][ T307] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.097408][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 39.113075][ T309] loop0: detected capacity change from 0 to 512
[ 39.120443][ T309] EXT4-fs: Ignoring removed orlov option
[pid 309] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 309] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 309] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 309] ioctl(4, LOOP_CLR_FD) = 0
[pid 309] close(4) = 0
[pid 309] chdir("./file0") = 0
[pid 309] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 309] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 309] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 309] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 309] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 309] exit_group(0) = ?
[pid 309] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=309, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./8/binderfs") = 0
[ 39.128138][ T309] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.142518][ T309] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.155863][ T309] EXT4-fs (loop0): 1 orphan inode deleted
[ 39.161733][ T309] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./8") = 0
mkdir("./9", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 311
./strace-static-x86_64: Process 311 attached
[pid 311] set_robust_list(0x555567d7a660, 24) = 0
[pid 311] chdir("./9") = 0
[pid 311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 311] setpgid(0, 0) = 0
[pid 311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 311] write(3, "1000", 4) = 4
[pid 311] close(3) = 0
[pid 311] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 311] write(1, "executing program\n", 18) = 18
[pid 311] memfd_create("syzkaller", 0) = 3
[pid 311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 311] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 311] munmap(0x7f70a0b30000, 138412032) = 0
[pid 311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 311] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 311] close(3) = 0
[pid 311] close(4) = 0
[pid 311] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.183953][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 39.201196][ T311] loop0: detected capacity change from 0 to 512
[ 39.209608][ T311] EXT4-fs: Ignoring removed orlov option
[ 39.217944][ T311] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[pid 311] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 311] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 311] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 311] ioctl(4, LOOP_CLR_FD) = 0
[pid 311] close(4) = 0
[pid 311] chdir("./file0") = 0
[pid 311] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 311] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 311] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 311] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 311] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 311] exit_group(0) = ?
[pid 311] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=311, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./9/binderfs") = 0
umount2("\x2e\x2f\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./9") = 0
mkdir("./10", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 313
./strace-static-x86_64: Process 313 attached
[pid 313] set_robust_list(0x555567d7a660, 24) = 0
[pid 313] chdir("./10") = 0
[pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 313] setpgid(0, 0) = 0
[pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 313] write(3, "1000", 4) = 4
[pid 313] close(3) = 0
[pid 313] symlink("/dev/binderfs", "./binderfs") = 0
[pid 313] write(1, "executing program\n", 18) = 18
[pid 313] memfd_create("syzkaller", 0) = 3
[pid 313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 313] munmap(0x7f70a0b30000, 138412032) = 0
[pid 313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 39.232594][ T311] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.245589][ T311] EXT4-fs (loop0): 1 orphan inode deleted
[ 39.251378][ T311] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.275100][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 313] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 313] close(3) = 0
[pid 313] close(4) = 0
[pid 313] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.291099][ T313] loop0: detected capacity change from 0 to 512
[ 39.299255][ T313] EXT4-fs: Ignoring removed orlov option
[ 39.307242][ T313] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.321669][ T313] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.335126][ T313] EXT4-fs (loop0): 1 orphan inode deleted
[pid 313] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 313] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 313] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 313] ioctl(4, LOOP_CLR_FD) = 0
[pid 313] close(4) = 0
[pid 313] chdir("./file0") = 0
[pid 313] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 313] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 313] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 313] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 313] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 313] exit_group(0) = ?
[pid 313] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=313, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./10/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./10") = 0
mkdir("./11", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 315
./strace-static-x86_64: Process 315 attached
[pid 315] set_robust_list(0x555567d7a660, 24) = 0
[pid 315] chdir("./11") = 0
[pid 315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 315] setpgid(0, 0) = 0
[pid 315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 315] write(3, "1000", 4) = 4
[pid 315] close(3) = 0
[pid 315] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 315] write(1, "executing program\n", 18) = 18
[pid 315] memfd_create("syzkaller", 0) = 3
[pid 315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 315] munmap(0x7f70a0b30000, 138412032) = 0
[pid 315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 39.340918][ T313] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.368907][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 315] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 315] close(3) = 0
[pid 315] close(4) = 0
[pid 315] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.392907][ T315] loop0: detected capacity change from 0 to 512
[ 39.400356][ T315] EXT4-fs: Ignoring removed orlov option
[ 39.408817][ T315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.422958][ T315] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.435935][ T315] EXT4-fs (loop0): 1 orphan inode deleted
[pid 315] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 315] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 315] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 315] ioctl(4, LOOP_CLR_FD) = 0
[pid 315] close(4) = 0
[pid 315] chdir("./file0") = 0
[pid 315] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 315] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 315] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 315] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 315] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 315] exit_group(0) = ?
[pid 315] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=315, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./11/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./11") = 0
mkdir("./12", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 317
./strace-static-x86_64: Process 317 attached
[pid 317] set_robust_list(0x555567d7a660, 24) = 0
[pid 317] chdir("./12") = 0
[pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 317] setpgid(0, 0) = 0
[pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 317] write(3, "1000", 4) = 4
[pid 317] close(3) = 0
[pid 317] symlink("/dev/binderfs", "./binderfs") = 0
[pid 317] write(1, "executing program\n", 18executing program
) = 18
[pid 317] memfd_create("syzkaller", 0) = 3
[pid 317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 317] munmap(0x7f70a0b30000, 138412032) = 0
[pid 317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 317] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 317] close(3) = 0
[ 39.441668][ T315] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.465295][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 317] close(4) = 0
[pid 317] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.487833][ T317] loop0: detected capacity change from 0 to 512
[ 39.496088][ T317] EXT4-fs: Ignoring removed orlov option
[ 39.503801][ T317] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.517957][ T317] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.531218][ T317] EXT4-fs (loop0): 1 orphan inode deleted
[pid 317] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 317] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 317] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 317] ioctl(4, LOOP_CLR_FD) = 0
[pid 317] close(4) = 0
[pid 317] chdir("./file0") = 0
[pid 317] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 317] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 317] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 317] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 317] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 317] exit_group(0) = ?
[pid 317] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=317, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./12/binderfs") = 0
umount2("\x2e\x2f\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./12") = 0
mkdir("./13", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 319
./strace-static-x86_64: Process 319 attached
[pid 319] set_robust_list(0x555567d7a660, 24) = 0
[pid 319] chdir("./13") = 0
[pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 319] setpgid(0, 0) = 0
[pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 319] write(3, "1000", 4) = 4
[pid 319] close(3) = 0
[pid 319] symlink("/dev/binderfs", "./binderfs") = 0
[pid 319] write(1, "executing program\n", 18executing program
) = 18
[pid 319] memfd_create("syzkaller", 0) = 3
[pid 319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 319] munmap(0x7f70a0b30000, 138412032) = 0
[pid 319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 319] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 319] close(3) = 0
[pid 319] close(4) = 0
[pid 319] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.537170][ T317] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.561101][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 39.578005][ T319] loop0: detected capacity change from 0 to 512
[ 39.586301][ T319] EXT4-fs: Ignoring removed orlov option
[pid 319] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 319] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 319] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 319] ioctl(4, LOOP_CLR_FD) = 0
[pid 319] close(4) = 0
[pid 319] chdir("./file0") = 0
[pid 319] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 319] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 319] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 319] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 319] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 319] exit_group(0) = ?
[pid 319] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=319, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./13/binderfs") = 0
[ 39.594206][ T319] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.608820][ T319] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.622224][ T319] EXT4-fs (loop0): 1 orphan inode deleted
[ 39.628157][ T319] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./13") = 0
mkdir("./14", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 321
./strace-static-x86_64: Process 321 attached
[pid 321] set_robust_list(0x555567d7a660, 24) = 0
[pid 321] chdir("./14") = 0
[pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 321] setpgid(0, 0) = 0
[pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 321] write(3, "1000", 4) = 4
[pid 321] close(3) = 0
[pid 321] symlink("/dev/binderfs", "./binderfs") = 0
[pid 321] write(1, "executing program\n", 18executing program
) = 18
[pid 321] memfd_create("syzkaller", 0) = 3
[pid 321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 321] munmap(0x7f70a0b30000, 138412032) = 0
[pid 321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 321] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 321] close(3) = 0
[pid 321] close(4) = 0
[pid 321] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.652721][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 39.680133][ T321] loop0: detected capacity change from 0 to 512
[ 39.688900][ T321] EXT4-fs: Ignoring removed orlov option
[pid 321] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 321] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 321] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 321] ioctl(4, LOOP_CLR_FD) = 0
[pid 321] close(4) = 0
[pid 321] chdir("./file0") = 0
[pid 321] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 321] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 321] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 321] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 321] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 321] exit_group(0) = ?
[pid 321] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=321, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./14/binderfs") = 0
[ 39.696919][ T321] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.711332][ T321] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.724373][ T321] EXT4-fs (loop0): 1 orphan inode deleted
[ 39.730224][ T321] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./14") = 0
mkdir("./15", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 323
./strace-static-x86_64: Process 323 attached
[pid 323] set_robust_list(0x555567d7a660, 24) = 0
[pid 323] chdir("./15") = 0
[pid 323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 323] setpgid(0, 0) = 0
[pid 323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 323] write(3, "1000", 4) = 4
[pid 323] close(3) = 0
[pid 323] symlink("/dev/binderfs", "./binderfs") = 0
[pid 323] write(1, "executing program\n", 18) = 18
[pid 323] memfd_create("syzkaller", 0) = 3
[pid 323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 323] munmap(0x7f70a0b30000, 138412032) = 0
[pid 323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 323] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 323] close(3) = 0
[pid 323] close(4) = 0
[pid 323] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.751236][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 39.772713][ T323] loop0: detected capacity change from 0 to 512
[ 39.781342][ T323] EXT4-fs: Ignoring removed orlov option
[ 39.789603][ T323] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[pid 323] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 323] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 323] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 323] ioctl(4, LOOP_CLR_FD) = 0
[pid 323] close(4) = 0
[pid 323] chdir("./file0") = 0
[pid 323] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 323] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 323] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 323] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 323] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 323] exit_group(0) = ?
[pid 323] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=323, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./15/binderfs") = 0
umount2("\x2e\x2f\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./15") = 0
mkdir("./16", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 325
./strace-static-x86_64: Process 325 attached
[pid 325] set_robust_list(0x555567d7a660, 24) = 0
[pid 325] chdir("./16") = 0
[pid 325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 325] setpgid(0, 0) = 0
[pid 325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 325] write(3, "1000", 4) = 4
[pid 325] close(3) = 0
[pid 325] symlink("/dev/binderfs", "./binderfs") = 0
[pid 325] write(1, "executing program\n", 18executing program
) = 18
[pid 325] memfd_create("syzkaller", 0) = 3
[pid 325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 325] munmap(0x7f70a0b30000, 138412032) = 0
[pid 325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 39.803930][ T323] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.817005][ T323] EXT4-fs (loop0): 1 orphan inode deleted
[ 39.822852][ T323] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.840093][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 325] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 325] close(3) = 0
[pid 325] close(4) = 0
[pid 325] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.863505][ T325] loop0: detected capacity change from 0 to 512
[ 39.871986][ T325] EXT4-fs: Ignoring removed orlov option
[ 39.879858][ T325] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.894081][ T325] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 39.907036][ T325] EXT4-fs (loop0): 1 orphan inode deleted
[pid 325] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 325] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 325] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 325] ioctl(4, LOOP_CLR_FD) = 0
[pid 325] close(4) = 0
[pid 325] chdir("./file0") = 0
[pid 325] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 325] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 325] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 325] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 325] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 325] exit_group(0) = ?
[pid 325] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=325, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./16/binderfs") = 0
umount2("\x2e\x2f\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./16") = 0
mkdir("./17", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 327
./strace-static-x86_64: Process 327 attached
[pid 327] set_robust_list(0x555567d7a660, 24) = 0
[pid 327] chdir("./17") = 0
[pid 327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 327] setpgid(0, 0) = 0
[pid 327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 327] write(3, "1000", 4) = 4
[pid 327] close(3) = 0
[pid 327] symlink("/dev/binderfs", "./binderfs") = 0
[pid 327] write(1, "executing program\n", 18executing program
) = 18
[pid 327] memfd_create("syzkaller", 0) = 3
[pid 327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 327] munmap(0x7f70a0b30000, 138412032) = 0
[pid 327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 39.912819][ T325] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 39.936478][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 327] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 327] close(3) = 0
[pid 327] close(4) = 0
[pid 327] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 39.960455][ T327] loop0: detected capacity change from 0 to 512
[ 39.968862][ T327] EXT4-fs: Ignoring removed orlov option
[ 39.977318][ T327] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 39.991622][ T327] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.004579][ T327] EXT4-fs (loop0): 1 orphan inode deleted
[pid 327] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 327] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 327] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 327] ioctl(4, LOOP_CLR_FD) = 0
[pid 327] close(4) = 0
[pid 327] chdir("./file0") = 0
[pid 327] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 327] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 327] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 327] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 327] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 327] exit_group(0) = ?
[pid 327] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=327, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./17/binderfs") = 0
[ 40.010496][ T327] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./17") = 0
mkdir("./18", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 329
./strace-static-x86_64: Process 329 attached
[pid 329] set_robust_list(0x555567d7a660, 24) = 0
[pid 329] chdir("./18") = 0
[pid 329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 329] setpgid(0, 0) = 0
[pid 329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 329] write(3, "1000", 4) = 4
[pid 329] close(3) = 0
[pid 329] symlink("/dev/binderfs", "./binderfs") = 0
[pid 329] write(1, "executing program\n", 18) = 18
[pid 329] memfd_create("syzkaller", 0) = 3
[pid 329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 329] munmap(0x7f70a0b30000, 138412032) = 0
[pid 329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 329] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 329] close(3) = 0
[pid 329] close(4) = 0
[pid 329] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.034853][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 40.055831][ T329] loop0: detected capacity change from 0 to 512
[ 40.064266][ T329] EXT4-fs: Ignoring removed orlov option
[pid 329] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 329] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 329] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 329] ioctl(4, LOOP_CLR_FD) = 0
[pid 329] close(4) = 0
[pid 329] chdir("./file0") = 0
[pid 329] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 329] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 329] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 329] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 329] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 329] exit_group(0) = ?
[pid 329] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=329, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./18/binderfs") = 0
[ 40.072467][ T329] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.086718][ T329] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.099730][ T329] EXT4-fs (loop0): 1 orphan inode deleted
[ 40.105499][ T329] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./18") = 0
mkdir("./19", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 331
./strace-static-x86_64: Process 331 attached
[pid 331] set_robust_list(0x555567d7a660, 24) = 0
[pid 331] chdir("./19") = 0
[pid 331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 331] setpgid(0, 0) = 0
[pid 331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 331] write(3, "1000", 4) = 4
[pid 331] close(3) = 0
[pid 331] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 331] write(1, "executing program\n", 18) = 18
[pid 331] memfd_create("syzkaller", 0) = 3
[pid 331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 331] munmap(0x7f70a0b30000, 138412032) = 0
[pid 331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 331] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 331] close(3) = 0
[pid 331] close(4) = 0
[pid 331] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.133738][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 40.151883][ T331] loop0: detected capacity change from 0 to 512
[ 40.160696][ T331] EXT4-fs: Ignoring removed orlov option
[ 40.168553][ T331] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[pid 331] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 331] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 331] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 331] ioctl(4, LOOP_CLR_FD) = 0
[pid 331] close(4) = 0
[pid 331] chdir("./file0") = 0
[pid 331] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 331] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 331] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 331] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 331] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 331] exit_group(0) = ?
[pid 331] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=331, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./19", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./19", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./19/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./19/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./19/binderfs") = 0
[ 40.182827][ T331] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.195914][ T331] EXT4-fs (loop0): 1 orphan inode deleted
[ 40.201669][ T331] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./19") = 0
mkdir("./20", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 333
./strace-static-x86_64: Process 333 attached
[pid 333] set_robust_list(0x555567d7a660, 24) = 0
[pid 333] chdir("./20") = 0
[pid 333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 333] setpgid(0, 0) = 0
[pid 333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 333] write(3, "1000", 4) = 4
[pid 333] close(3) = 0
[pid 333] symlink("/dev/binderfs", "./binderfs") = 0
[pid 333] write(1, "executing program\n", 18executing program
) = 18
[pid 333] memfd_create("syzkaller", 0) = 3
[pid 333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 333] munmap(0x7f70a0b30000, 138412032) = 0
[pid 333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 333] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 333] close(3) = 0
[pid 333] close(4) = 0
[pid 333] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.229970][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 40.251734][ T333] loop0: detected capacity change from 0 to 512
[ 40.260022][ T333] EXT4-fs: Ignoring removed orlov option
[pid 333] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 333] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 333] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 333] ioctl(4, LOOP_CLR_FD) = 0
[pid 333] close(4) = 0
[pid 333] chdir("./file0") = 0
[pid 333] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 333] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 333] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 333] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 333] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 333] exit_group(0) = ?
[pid 333] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=333, si_uid=0, si_status=0, si_utime=0, si_stime=7} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./20", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./20", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./20/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./20/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./20/binderfs") = 0
umount2("\x2e\x2f\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./20") = 0
mkdir("./21", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 335
./strace-static-x86_64: Process 335 attached
[pid 335] set_robust_list(0x555567d7a660, 24) = 0
[pid 335] chdir("./21") = 0
[pid 335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 335] setpgid(0, 0) = 0
[pid 335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 335] write(3, "1000", 4) = 4
[pid 335] close(3) = 0
[pid 335] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 335] write(1, "executing program\n", 18) = 18
[pid 335] memfd_create("syzkaller", 0) = 3
[pid 335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 335] munmap(0x7f70a0b30000, 138412032) = 0
[pid 335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 40.267990][ T333] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.282200][ T333] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.295205][ T333] EXT4-fs (loop0): 1 orphan inode deleted
[ 40.301032][ T333] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 40.324283][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 335] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 335] close(3) = 0
[pid 335] close(4) = 0
[pid 335] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.343531][ T335] loop0: detected capacity change from 0 to 512
[ 40.351249][ T335] EXT4-fs: Ignoring removed orlov option
[ 40.359872][ T335] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.374218][ T335] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.387170][ T335] EXT4-fs (loop0): 1 orphan inode deleted
[pid 335] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 335] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 335] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 335] ioctl(4, LOOP_CLR_FD) = 0
[pid 335] close(4) = 0
[pid 335] chdir("./file0") = 0
[pid 335] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 335] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 335] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 335] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 335] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 335] exit_group(0) = ?
[pid 335] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=335, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./21", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./21", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./21/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./21/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./21/binderfs") = 0
umount2("\x2e\x2f\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./21") = 0
mkdir("./22", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 337
./strace-static-x86_64: Process 337 attached
[pid 337] set_robust_list(0x555567d7a660, 24) = 0
[pid 337] chdir("./22") = 0
[pid 337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 337] setpgid(0, 0) = 0
[pid 337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 337] write(3, "1000", 4) = 4
[pid 337] close(3) = 0
[pid 337] symlink("/dev/binderfs", "./binderfs") = 0
[pid 337] write(1, "executing program\n", 18executing program
) = 18
[pid 337] memfd_create("syzkaller", 0) = 3
[pid 337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 337] munmap(0x7f70a0b30000, 138412032) = 0
[pid 337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 337] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 337] close(3) = 0
[ 40.392923][ T335] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 40.415213][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 337] close(4) = 0
[pid 337] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.438971][ T337] loop0: detected capacity change from 0 to 512
[ 40.449935][ T337] EXT4-fs: Ignoring removed orlov option
[ 40.458662][ T337] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.472887][ T337] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.486582][ T337] EXT4-fs (loop0): 1 orphan inode deleted
[pid 337] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 337] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 337] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 337] ioctl(4, LOOP_CLR_FD) = 0
[pid 337] close(4) = 0
[pid 337] chdir("./file0") = 0
[pid 337] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 337] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 337] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 337] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 337] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 337] exit_group(0) = ?
[pid 337] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=337, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./22", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./22", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./22/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./22/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./22/binderfs") = 0
umount2("\x2e\x2f\x32\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./22") = 0
mkdir("./23", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 339
./strace-static-x86_64: Process 339 attached
[pid 339] set_robust_list(0x555567d7a660, 24) = 0
[pid 339] chdir("./23") = 0
[pid 339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 339] setpgid(0, 0) = 0
[pid 339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 339] write(3, "1000", 4) = 4
[pid 339] close(3) = 0
[pid 339] symlink("/dev/binderfs", "./binderfs") = 0
[pid 339] write(1, "executing program\n", 18) = 18
[pid 339] memfd_create("syzkaller", 0) = 3
[pid 339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 339] munmap(0x7f70a0b30000, 138412032) = 0
[pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 40.492317][ T337] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 40.518551][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 339] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 339] close(3) = 0
[pid 339] close(4) = 0
[pid 339] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.541053][ T339] loop0: detected capacity change from 0 to 512
[ 40.549510][ T339] EXT4-fs: Ignoring removed orlov option
[ 40.557300][ T339] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.572266][ T339] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.586279][ T339] EXT4-fs (loop0): 1 orphan inode deleted
[pid 339] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 339] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 339] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 339] ioctl(4, LOOP_CLR_FD) = 0
[pid 339] close(4) = 0
[pid 339] chdir("./file0") = 0
[pid 339] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 339] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 339] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 339] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 339] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 339] exit_group(0) = ?
[pid 339] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=339, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./23", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./23", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./23/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./23/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./23/binderfs") = 0
umount2("\x2e\x2f\x32\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./23") = 0
mkdir("./24", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 341
./strace-static-x86_64: Process 341 attached
[pid 341] set_robust_list(0x555567d7a660, 24) = 0
[pid 341] chdir("./24") = 0
[pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 341] setpgid(0, 0) = 0
executing program
[pid 341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 341] write(3, "1000", 4) = 4
[pid 341] close(3) = 0
[pid 341] symlink("/dev/binderfs", "./binderfs") = 0
[pid 341] write(1, "executing program\n", 18) = 18
[pid 341] memfd_create("syzkaller", 0) = 3
[pid 341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 341] munmap(0x7f70a0b30000, 138412032) = 0
[pid 341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 341] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 341] close(3) = 0
[pid 341] close(4) = 0
[pid 341] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.592022][ T339] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 40.613938][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 40.631532][ T341] loop0: detected capacity change from 0 to 512
[ 40.639270][ T341] EXT4-fs: Ignoring removed orlov option
[pid 341] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 341] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 341] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 341] ioctl(4, LOOP_CLR_FD) = 0
[pid 341] close(4) = 0
[pid 341] chdir("./file0") = 0
[pid 341] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 341] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 341] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 341] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 341] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 341] exit_group(0) = ?
[pid 341] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=341, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./24", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./24", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./24/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./24/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./24/binderfs") = 0
[ 40.648162][ T341] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.662329][ T341] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.675404][ T341] EXT4-fs (loop0): 1 orphan inode deleted
[ 40.681419][ T341] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x32\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./24") = 0
mkdir("./25", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 343
./strace-static-x86_64: Process 343 attached
[pid 343] set_robust_list(0x555567d7a660, 24) = 0
[pid 343] chdir("./25") = 0
[pid 343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 343] setpgid(0, 0) = 0
[pid 343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 343] write(3, "1000", 4) = 4
[pid 343] close(3) = 0
[pid 343] symlink("/dev/binderfs", "./binderfs") = 0
[pid 343] write(1, "executing program\n", 18executing program
) = 18
[pid 343] memfd_create("syzkaller", 0) = 3
[pid 343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 343] munmap(0x7f70a0b30000, 138412032) = 0
[pid 343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 343] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 343] close(3) = 0
[pid 343] close(4) = 0
[pid 343] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.703337][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 40.727780][ T343] loop0: detected capacity change from 0 to 512
[ 40.735236][ T343] EXT4-fs: Ignoring removed orlov option
[pid 343] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 343] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 343] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 343] ioctl(4, LOOP_CLR_FD) = 0
[pid 343] close(4) = 0
[pid 343] chdir("./file0") = 0
[pid 343] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 343] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 343] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 343] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 343] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 343] exit_group(0) = ?
[pid 343] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=343, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./25", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./25", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./25/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./25/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./25/binderfs") = 0
[ 40.743830][ T343] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.758091][ T343] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.771347][ T343] EXT4-fs (loop0): 1 orphan inode deleted
[ 40.777723][ T343] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x32\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./25") = 0
mkdir("./26", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 345
./strace-static-x86_64: Process 345 attached
[pid 345] set_robust_list(0x555567d7a660, 24) = 0
[pid 345] chdir("./26") = 0
[pid 345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 345] setpgid(0, 0) = 0
[pid 345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 345] write(3, "1000", 4) = 4
[pid 345] close(3) = 0
[pid 345] symlink("/dev/binderfs", "./binderfs") = 0
[pid 345] write(1, "executing program\n", 18executing program
) = 18
[pid 345] memfd_create("syzkaller", 0) = 3
[pid 345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 345] munmap(0x7f70a0b30000, 138412032) = 0
[pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 345] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 345] close(3) = 0
[pid 345] close(4) = 0
[pid 345] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.800127][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 40.823311][ T345] loop0: detected capacity change from 0 to 512
[ 40.832338][ T345] EXT4-fs: Ignoring removed orlov option
[pid 345] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 345] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 345] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 345] ioctl(4, LOOP_CLR_FD) = 0
[pid 345] close(4) = 0
[pid 345] chdir("./file0") = 0
[pid 345] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 345] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 345] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 345] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 345] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 345] exit_group(0) = ?
[pid 345] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=345, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./26", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./26", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./26/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./26/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./26/binderfs") = 0
umount2("\x2e\x2f\x32\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./26") = 0
mkdir("./27", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 347
./strace-static-x86_64: Process 347 attached
[pid 347] set_robust_list(0x555567d7a660, 24) = 0
[pid 347] chdir("./27") = 0
[pid 347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 347] setpgid(0, 0) = 0
[pid 347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 347] write(3, "1000", 4) = 4
[pid 347] close(3) = 0
[pid 347] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 347] write(1, "executing program\n", 18) = 18
[pid 347] memfd_create("syzkaller", 0) = 3
[pid 347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 347] munmap(0x7f70a0b30000, 138412032) = 0
[pid 347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 40.840725][ T345] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.854945][ T345] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.868065][ T345] EXT4-fs (loop0): 1 orphan inode deleted
[ 40.873797][ T345] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 40.894935][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 347] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 347] close(3) = 0
[pid 347] close(4) = 0
[pid 347] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.911495][ T347] loop0: detected capacity change from 0 to 512
[ 40.919334][ T347] EXT4-fs: Ignoring removed orlov option
[ 40.927198][ T347] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 40.941514][ T347] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 40.954483][ T347] EXT4-fs (loop0): 1 orphan inode deleted
[pid 347] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 347] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 347] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 347] ioctl(4, LOOP_CLR_FD) = 0
[pid 347] close(4) = 0
[pid 347] chdir("./file0") = 0
[pid 347] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 347] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 347] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 347] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 347] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 347] exit_group(0) = ?
[pid 347] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=347, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./27", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./27", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./27/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./27/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./27/binderfs") = 0
umount2("\x2e\x2f\x32\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./27") = 0
mkdir("./28", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 349
./strace-static-x86_64: Process 349 attached
[pid 349] set_robust_list(0x555567d7a660, 24) = 0
[pid 349] chdir("./28") = 0
[pid 349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 349] setpgid(0, 0) = 0
[pid 349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 349] write(3, "1000", 4) = 4
[pid 349] close(3) = 0
[pid 349] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 349] write(1, "executing program\n", 18) = 18
[pid 349] memfd_create("syzkaller", 0) = 3
[pid 349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 349] munmap(0x7f70a0b30000, 138412032) = 0
[pid 349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 349] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 349] close(3) = 0
[pid 349] close(4) = 0
[pid 349] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 40.960259][ T347] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 40.981849][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 40.999196][ T349] loop0: detected capacity change from 0 to 512
[pid 349] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 349] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 349] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 349] ioctl(4, LOOP_CLR_FD) = 0
[pid 349] close(4) = 0
[pid 349] chdir("./file0") = 0
[pid 349] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 349] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 349] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 349] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 349] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 349] exit_group(0) = ?
[pid 349] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=349, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./28", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./28", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./28/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./28/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./28/binderfs") = 0
[ 41.006713][ T349] EXT4-fs: Ignoring removed orlov option
[ 41.014274][ T349] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.028759][ T349] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.041864][ T349] EXT4-fs (loop0): 1 orphan inode deleted
[ 41.047745][ T349] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x32\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./28") = 0
mkdir("./29", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 351
./strace-static-x86_64: Process 351 attached
[pid 351] set_robust_list(0x555567d7a660, 24) = 0
[pid 351] chdir("./29") = 0
[pid 351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 351] setpgid(0, 0) = 0
[pid 351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 351] write(3, "1000", 4) = 4
[pid 351] close(3) = 0
[pid 351] symlink("/dev/binderfs", "./binderfs") = 0
[pid 351] write(1, "executing program\n", 18executing program
) = 18
[pid 351] memfd_create("syzkaller", 0) = 3
[pid 351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 351] munmap(0x7f70a0b30000, 138412032) = 0
[pid 351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 351] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 351] close(3) = 0
[pid 351] close(4) = 0
[pid 351] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 41.065374][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 41.087289][ T351] loop0: detected capacity change from 0 to 512
[ 41.096436][ T351] EXT4-fs: Ignoring removed orlov option
[pid 351] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 351] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 351] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 351] ioctl(4, LOOP_CLR_FD) = 0
[pid 351] close(4) = 0
[pid 351] chdir("./file0") = 0
[pid 351] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 351] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 351] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 351] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 351] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 351] exit_group(0) = ?
[pid 351] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=351, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./29", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./29", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./29/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./29/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./29/binderfs") = 0
umount2("\x2e\x2f\x32\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x32\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x32\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x32\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x32\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./29") = 0
mkdir("./30", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 353
./strace-static-x86_64: Process 353 attached
[pid 353] set_robust_list(0x555567d7a660, 24) = 0
[pid 353] chdir("./30") = 0
[pid 353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 353] setpgid(0, 0) = 0
[pid 353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 353] write(3, "1000", 4) = 4
[pid 353] close(3) = 0
[pid 353] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 353] write(1, "executing program\n", 18) = 18
[pid 353] memfd_create("syzkaller", 0) = 3
[pid 353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 353] munmap(0x7f70a0b30000, 138412032) = 0
[pid 353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 41.104423][ T351] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.118707][ T351] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.131938][ T351] EXT4-fs (loop0): 1 orphan inode deleted
[ 41.137861][ T351] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 41.159093][ T289] EXT4-fs (loop0): unmounting filesystem.
[pid 353] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 353] close(3) = 0
[pid 353] close(4) = 0
[pid 353] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 41.174957][ T353] loop0: detected capacity change from 0 to 512
[ 41.182536][ T353] EXT4-fs: Ignoring removed orlov option
[ 41.190069][ T353] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.204217][ T353] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.217294][ T353] EXT4-fs (loop0): 1 orphan inode deleted
[pid 353] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 353] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 353] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 353] ioctl(4, LOOP_CLR_FD) = 0
[pid 353] close(4) = 0
[pid 353] chdir("./file0") = 0
[pid 353] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 353] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 353] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 353] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 353] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 353] exit_group(0) = ?
[pid 353] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=353, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./30", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./30", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./30/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./30/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./30/binderfs") = 0
umount2("\x2e\x2f\x33\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./30") = 0
mkdir("./31", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 355
./strace-static-x86_64: Process 355 attached
[pid 355] set_robust_list(0x555567d7a660, 24) = 0
[pid 355] chdir("./31") = 0
[pid 355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 355] setpgid(0, 0) = 0
[pid 355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 355] write(3, "1000", 4) = 4
[pid 355] close(3) = 0
[pid 355] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 355] write(1, "executing program\n", 18) = 18
[pid 355] memfd_create("syzkaller", 0) = 3
[pid 355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 355] munmap(0x7f70a0b30000, 138412032) = 0
[pid 355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 355] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 355] close(3) = 0
[pid 355] close(4) = 0
[pid 355] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 41.223024][ T353] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 41.240173][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 41.262429][ T355] loop0: detected capacity change from 0 to 512
[pid 355] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 355] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 355] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 355] ioctl(4, LOOP_CLR_FD) = 0
[pid 355] close(4) = 0
[pid 355] chdir("./file0") = 0
[pid 355] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 355] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 355] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 355] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 355] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 355] exit_group(0) = ?
[pid 355] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=355, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./31", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./31", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./31/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./31/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./31/binderfs") = 0
[ 41.271018][ T355] EXT4-fs: Ignoring removed orlov option
[ 41.279718][ T355] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.294162][ T355] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.307203][ T355] EXT4-fs (loop0): 1 orphan inode deleted
[ 41.313079][ T355] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x33\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./31") = 0
mkdir("./32", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 357
./strace-static-x86_64: Process 357 attached
[pid 357] set_robust_list(0x555567d7a660, 24) = 0
[pid 357] chdir("./32") = 0
[pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 357] setpgid(0, 0) = 0
[pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 357] write(3, "1000", 4) = 4
[pid 357] close(3) = 0
[pid 357] symlink("/dev/binderfs", "./binderfs") = 0
[pid 357] write(1, "executing program\n", 18) = 18
[pid 357] memfd_create("syzkaller", 0) = 3
[pid 357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 357] munmap(0x7f70a0b30000, 138412032) = 0
[pid 357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 357] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 357] close(3) = 0
[pid 357] close(4) = 0
[pid 357] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 41.336602][ T289] EXT4-fs (loop0): unmounting filesystem.
[ 41.357671][ T357] loop0: detected capacity change from 0 to 512
[ 41.365502][ T357] EXT4-fs: Ignoring removed orlov option
[pid 357] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 357] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 357] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 357] ioctl(4, LOOP_CLR_FD) = 0
[pid 357] close(4) = 0
[pid 357] chdir("./file0") = 0
[pid 357] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 357] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 357] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 357] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 357] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 357] exit_group(0) = ?
[pid 357] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./32", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./32", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./32/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./32/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./32/binderfs") = 0
umount2("\x2e\x2f\x33\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4executing program
) = 0
rmdir("\x2e\x2f\x33\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./32") = 0
mkdir("./33", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 359
./strace-static-x86_64: Process 359 attached
[pid 359] set_robust_list(0x555567d7a660, 24) = 0
[pid 359] chdir("./33") = 0
[pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 359] setpgid(0, 0) = 0
[pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 359] write(3, "1000", 4) = 4
[pid 359] close(3) = 0
[pid 359] symlink("/dev/binderfs", "./binderfs") = 0
[pid 359] write(1, "executing program\n", 18) = 18
[pid 359] memfd_create("syzkaller", 0) = 3
[pid 359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 359] munmap(0x7f70a0b30000, 138412032) = 0
[pid 359] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 41.373415][ T357] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.387714][ T357] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.401023][ T357] EXT4-fs (loop0): 1 orphan inode deleted
[pid 359] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 359] close(3) = 0
[pid 359] close(4) = 0
[pid 359] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 359] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 359] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 359] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 359] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 359] ioctl(4, LOOP_CLR_FD) = 0
[pid 359] close(4) = 0
[pid 359] chdir("./file0") = 0
[pid 359] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 359] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 359] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 359] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 359] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 359] exit_group(0) = ?
[pid 359] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
[ 41.433819][ T359] loop0: detected capacity change from 0 to 512
[ 41.442196][ T359] EXT4-fs: Ignoring removed orlov option
[ 41.450953][ T359] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.465080][ T359] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.478443][ T359] EXT4-fs (loop0): 1 orphan inode deleted
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./33", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./33", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./33/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./33/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./33/binderfs") = 0
umount2("\x2e\x2f\x33\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./33") = 0
mkdir("./34", 0777executing program
) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 361
./strace-static-x86_64: Process 361 attached
[pid 361] set_robust_list(0x555567d7a660, 24) = 0
[pid 361] chdir("./34") = 0
[pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 361] setpgid(0, 0) = 0
[pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 361] write(3, "1000", 4) = 4
[pid 361] close(3) = 0
[pid 361] symlink("/dev/binderfs", "./binderfs") = 0
[pid 361] write(1, "executing program\n", 18) = 18
[pid 361] memfd_create("syzkaller", 0) = 3
[pid 361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 361] munmap(0x7f70a0b30000, 138412032) = 0
[pid 361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 361] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 361] close(3) = 0
[pid 361] close(4) = 0
[pid 361] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 361] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 361] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 361] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 361] ioctl(4, LOOP_CLR_FD) = 0
[pid 361] close(4) = 0
[pid 361] chdir("./file0") = 0
[pid 361] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 361] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 361] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 361] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 361] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 361] exit_group(0) = ?
[pid 361] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./34", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./34", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./34/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./34/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./34/binderfs") = 0
umount2("\x2e\x2f\x33\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./34") = 0
mkdir("./35", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 363
./strace-static-x86_64: Process 363 attached
[pid 363] set_robust_list(0x555567d7a660, 24) = 0
[pid 363] chdir("./35") = 0
[pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 363] setpgid(0, 0) = 0
[pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 363] write(3, "1000", 4) = 4
[pid 363] close(3) = 0
[pid 363] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 363] write(1, "executing program\n", 18) = 18
[pid 363] memfd_create("syzkaller", 0) = 3
[pid 363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 363] munmap(0x7f70a0b30000, 138412032) = 0
[pid 363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 41.511706][ T361] loop0: detected capacity change from 0 to 512
[ 41.519236][ T361] EXT4-fs: Ignoring removed orlov option
[ 41.526980][ T361] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.541283][ T361] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.554376][ T361] EXT4-fs (loop0): 1 orphan inode deleted
[pid 363] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 363] close(3) = 0
[pid 363] close(4) = 0
[pid 363] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 363] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 363] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 363] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 363] ioctl(4, LOOP_CLR_FD) = 0
[pid 363] close(4) = 0
[pid 363] chdir("./file0") = 0
[pid 363] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 363] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 363] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 363] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 363] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 363] exit_group(0) = ?
[pid 363] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./35", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./35", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./35/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./35/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./35/binderfs") = 0
umount2("\x2e\x2f\x33\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./35") = 0
mkdir("./36", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 365
./strace-static-x86_64: Process 365 attached
[pid 365] set_robust_list(0x555567d7a660, 24) = 0
[pid 365] chdir("./36") = 0
[pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 365] setpgid(0, 0) = 0
executing program
[pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 365] write(3, "1000", 4) = 4
[pid 365] close(3) = 0
[pid 365] symlink("/dev/binderfs", "./binderfs") = 0
[pid 365] write(1, "executing program\n", 18) = 18
[pid 365] memfd_create("syzkaller", 0) = 3
[pid 365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 365] munmap(0x7f70a0b30000, 138412032) = 0
[pid 365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 41.588491][ T363] loop0: detected capacity change from 0 to 512
[ 41.597328][ T363] EXT4-fs: Ignoring removed orlov option
[ 41.604968][ T363] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.619267][ T363] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.632377][ T363] EXT4-fs (loop0): 1 orphan inode deleted
[pid 365] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 365] close(3) = 0
[pid 365] close(4) = 0
[pid 365] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 365] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 365] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 365] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 365] ioctl(4, LOOP_CLR_FD) = 0
[pid 365] close(4) = 0
[pid 365] chdir("./file0") = 0
[pid 365] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 365] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 365] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 365] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 365] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 365] exit_group(0) = ?
[pid 365] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./36", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./36", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./36/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./36/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./36/binderfs") = 0
umount2("\x2e\x2f\x33\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./36") = 0
mkdir("./37", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 367
./strace-static-x86_64: Process 367 attached
[pid 367] set_robust_list(0x555567d7a660, 24) = 0
[pid 367] chdir("./37") = 0
[pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 367] setpgid(0, 0) = 0
[pid 367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 367] write(3, "1000", 4) = 4
[pid 367] close(3) = 0
[pid 367] symlink("/dev/binderfs", "./binderfs") = 0
[pid 367] write(1, "executing program\n", 18) = 18
executing program
[pid 367] memfd_create("syzkaller", 0) = 3
[pid 367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 367] munmap(0x7f70a0b30000, 138412032) = 0
[ 41.667866][ T365] loop0: detected capacity change from 0 to 512
[ 41.675531][ T365] EXT4-fs: Ignoring removed orlov option
[ 41.683656][ T365] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.697766][ T365] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.710809][ T365] EXT4-fs (loop0): 1 orphan inode deleted
[pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 367] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 367] close(3) = 0
[pid 367] close(4) = 0
[pid 367] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 367] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 367] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 367] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 367] ioctl(4, LOOP_CLR_FD) = 0
[pid 367] close(4) = 0
[pid 367] chdir("./file0") = 0
[pid 367] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 367] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 367] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 367] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 367] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 367] exit_group(0) = ?
[pid 367] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./37", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./37", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./37/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./37/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./37/binderfs") = 0
umount2("\x2e\x2f\x33\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./37") = 0
mkdir("./38", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 369
./strace-static-x86_64: Process 369 attached
[pid 369] set_robust_list(0x555567d7a660, 24) = 0
executing program
[pid 369] chdir("./38") = 0
[pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 369] setpgid(0, 0) = 0
[pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 369] write(3, "1000", 4) = 4
[pid 369] close(3) = 0
[pid 369] symlink("/dev/binderfs", "./binderfs") = 0
[pid 369] write(1, "executing program\n", 18) = 18
[pid 369] memfd_create("syzkaller", 0) = 3
[pid 369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 369] munmap(0x7f70a0b30000, 138412032) = 0
[pid 369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 41.744013][ T367] loop0: detected capacity change from 0 to 512
[ 41.751633][ T367] EXT4-fs: Ignoring removed orlov option
[ 41.759182][ T367] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.773393][ T367] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.786895][ T367] EXT4-fs (loop0): 1 orphan inode deleted
[pid 369] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 369] close(3) = 0
[pid 369] close(4) = 0
[pid 369] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 369] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 369] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 369] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 369] ioctl(4, LOOP_CLR_FD) = 0
[pid 369] close(4) = 0
[pid 369] chdir("./file0") = 0
[pid 369] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 369] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 369] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 369] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 369] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 369] exit_group(0) = ?
[pid 369] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./38", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./38", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./38/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./38/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./38/binderfs") = 0
umount2("\x2e\x2f\x33\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./38") = 0
mkdir("./39", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 371
./strace-static-x86_64: Process 371 attached
[pid 371] set_robust_list(0x555567d7a660, 24) = 0
[pid 371] chdir("./39") = 0
[pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 371] setpgid(0, 0) = 0
[pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 371] write(3, "1000", 4) = 4
[pid 371] close(3) = 0
[pid 371] symlink("/dev/binderfs", "./binderfs") = 0
[pid 371] write(1, "executing program\n", 18) = 18
[pid 371] memfd_create("syzkaller", 0) = 3
[pid 371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 371] munmap(0x7f70a0b30000, 138412032) = 0
[ 41.815167][ T369] loop0: detected capacity change from 0 to 512
[ 41.822780][ T369] EXT4-fs: Ignoring removed orlov option
[ 41.830369][ T369] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.844692][ T369] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.858345][ T369] EXT4-fs (loop0): 1 orphan inode deleted
[pid 371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 371] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 371] close(3) = 0
[pid 371] close(4) = 0
[pid 371] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 371] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 371] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 371] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 371] ioctl(4, LOOP_CLR_FD) = 0
[pid 371] close(4) = 0
[pid 371] chdir("./file0") = 0
[pid 371] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 371] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 371] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 371] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 371] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 371] exit_group(0) = ?
[pid 371] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./39", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./39", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./39/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./39/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./39/binderfs") = 0
umount2("\x2e\x2f\x33\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x33\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x33\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x33\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./39") = 0
mkdir("./40", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 373
./strace-static-x86_64: Process 373 attached
[pid 373] set_robust_list(0x555567d7a660, 24) = 0
[pid 373] chdir("./40") = 0
[pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 373] setpgid(0, 0) = 0
[pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 373] write(3, "1000", 4) = 4
[pid 373] close(3) = 0
[pid 373] symlink("/dev/binderfs", "./binderfs") = 0
[pid 373] write(1, "executing program\n", 18) = 18
executing program
[pid 373] memfd_create("syzkaller", 0) = 3
[pid 373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 373] munmap(0x7f70a0b30000, 138412032) = 0
[pid 373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 41.890276][ T371] loop0: detected capacity change from 0 to 512
[ 41.897748][ T371] EXT4-fs: Ignoring removed orlov option
[ 41.905404][ T371] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.919605][ T371] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 41.933174][ T371] EXT4-fs (loop0): 1 orphan inode deleted
[pid 373] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 373] close(3) = 0
[pid 373] close(4) = 0
[pid 373] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 373] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 373] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 373] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 373] ioctl(4, LOOP_CLR_FD) = 0
[pid 373] close(4) = 0
[pid 373] chdir("./file0") = 0
[pid 373] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 373] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 373] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 373] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 373] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 373] exit_group(0) = ?
[pid 373] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./40", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./40", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./40/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./40/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./40/binderfs") = 0
umount2("\x2e\x2f\x34\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./40") = 0
mkdir("./41", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 375
./strace-static-x86_64: Process 375 attached
[pid 375] set_robust_list(0x555567d7a660, 24) = 0
[pid 375] chdir("./41") = 0
[pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 375] setpgid(0, 0) = 0
[pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 375] write(3, "1000", 4) = 4
[pid 375] close(3) = 0
[pid 375] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 375] write(1, "executing program\n", 18) = 18
[pid 375] memfd_create("syzkaller", 0) = 3
[pid 375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 375] munmap(0x7f70a0b30000, 138412032) = 0
[ 41.967377][ T373] loop0: detected capacity change from 0 to 512
[ 41.974959][ T373] EXT4-fs: Ignoring removed orlov option
[ 41.982756][ T373] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 41.997169][ T373] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.010259][ T373] EXT4-fs (loop0): 1 orphan inode deleted
[pid 375] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 375] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 375] close(3) = 0
[pid 375] close(4) = 0
[pid 375] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 375] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 375] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 375] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 375] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 375] ioctl(4, LOOP_CLR_FD) = 0
[pid 375] close(4) = 0
[pid 375] chdir("./file0") = 0
[pid 375] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 375] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 375] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 375] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 375] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 375] exit_group(0) = ?
[pid 375] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./41", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./41", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./41/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./41/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./41/binderfs") = 0
umount2("\x2e\x2f\x34\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./41") = 0
mkdir("./42", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 377
./strace-static-x86_64: Process 377 attached
[pid 377] set_robust_list(0x555567d7a660, 24) = 0
[pid 377] chdir("./42") = 0
[pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 377] setpgid(0, 0) = 0
[pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 377] write(3, "1000", 4) = 4
[pid 377] close(3) = 0
[pid 377] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 377] write(1, "executing program\n", 18) = 18
[pid 377] memfd_create("syzkaller", 0) = 3
[pid 377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 377] munmap(0x7f70a0b30000, 138412032) = 0
[ 42.039824][ T375] loop0: detected capacity change from 0 to 512
[ 42.048082][ T375] EXT4-fs: Ignoring removed orlov option
[ 42.056609][ T375] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.070727][ T375] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.083811][ T375] EXT4-fs (loop0): 1 orphan inode deleted
[pid 377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 377] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 377] close(3) = 0
[pid 377] close(4) = 0
[pid 377] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 377] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 377] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 377] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 377] ioctl(4, LOOP_CLR_FD) = 0
[pid 377] close(4) = 0
[pid 377] chdir("./file0") = 0
[pid 377] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 377] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 377] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 377] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 377] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 377] exit_group(0) = ?
[pid 377] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./42", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./42", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./42/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./42/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./42/binderfs") = 0
umount2("\x2e\x2f\x34\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./42") = 0
mkdir("./43", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 379
./strace-static-x86_64: Process 379 attached
[pid 379] set_robust_list(0x555567d7a660, 24) = 0
[pid 379] chdir("./43") = 0
[pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 379] setpgid(0, 0) = 0
[pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 379] write(3, "1000", 4) = 4
[pid 379] close(3) = 0
[pid 379] symlink("/dev/binderfs", "./binderfs") = 0
[pid 379] write(1, "executing program\n", 18executing program
) = 18
[pid 379] memfd_create("syzkaller", 0) = 3
[pid 379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 379] munmap(0x7f70a0b30000, 138412032) = 0
[ 42.112300][ T377] loop0: detected capacity change from 0 to 512
[ 42.119943][ T377] EXT4-fs: Ignoring removed orlov option
[ 42.127622][ T377] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.141698][ T377] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.155269][ T377] EXT4-fs (loop0): 1 orphan inode deleted
[pid 379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 379] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 379] close(3) = 0
[pid 379] close(4) = 0
[pid 379] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 379] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 379] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 379] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 379] ioctl(4, LOOP_CLR_FD) = 0
[pid 379] close(4) = 0
[pid 379] chdir("./file0") = 0
[pid 379] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 379] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 379] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 379] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 379] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 379] exit_group(0) = ?
[pid 379] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
umount2("./43", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./43", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./43/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./43/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./43/binderfs") = 0
umount2("\x2e\x2f\x34\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./43") = 0
mkdir("./44", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 381
./strace-static-x86_64: Process 381 attached
[pid 381] set_robust_list(0x555567d7a660, 24) = 0
[pid 381] chdir("./44") = 0
[pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 381] setpgid(0, 0) = 0
[pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 3
[pid 381] write(3, "1000", 4) = 4
[pid 381] close(3) = 0
[pid 381] symlink("/dev/binderfs", "./binderfs") = 0
[pid 381] write(1, "executing program\n", 18) = 18
[pid 381] memfd_create("syzkaller", 0) = 3
[pid 381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 381] munmap(0x7f70a0b30000, 138412032) = 0
[pid 381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 42.186264][ T379] loop0: detected capacity change from 0 to 512
[ 42.194449][ T379] EXT4-fs: Ignoring removed orlov option
[ 42.202365][ T379] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.216582][ T379] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.229683][ T379] EXT4-fs (loop0): 1 orphan inode deleted
[pid 381] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 381] close(3) = 0
[pid 381] close(4) = 0
[pid 381] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 381] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 381] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 381] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 381] ioctl(4, LOOP_CLR_FD) = 0
[pid 381] close(4) = 0
[pid 381] chdir("./file0") = 0
[pid 381] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 381] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 381] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 381] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 381] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 381] exit_group(0) = ?
[pid 381] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./44", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./44", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./44/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./44/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./44/binderfs") = 0
umount2("\x2e\x2f\x34\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./44") = 0
mkdir("./45", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 383
./strace-static-x86_64: Process 383 attached
[pid 383] set_robust_list(0x555567d7a660, 24) = 0
[pid 383] chdir("./45") = 0
[pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 383] setpgid(0, 0) = 0
[pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 383] write(3, "1000", 4) = 4
[pid 383] close(3) = 0
[pid 383] symlink("/dev/binderfs", "./binderfs") = 0
[pid 383] write(1, "executing program\n", 18) = 18
[pid 383] memfd_create("syzkaller", 0) = 3
[pid 383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[ 42.254867][ T381] loop0: detected capacity change from 0 to 512
[ 42.262572][ T381] EXT4-fs: Ignoring removed orlov option
[ 42.270265][ T381] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.284390][ T381] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.297404][ T381] EXT4-fs (loop0): 1 orphan inode deleted
[pid 383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 383] munmap(0x7f70a0b30000, 138412032) = 0
[pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 383] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 383] close(3) = 0
[pid 383] close(4) = 0
[pid 383] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 383] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 383] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 383] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 383] ioctl(4, LOOP_CLR_FD) = 0
[pid 383] close(4) = 0
[pid 383] chdir("./file0") = 0
[pid 383] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 383] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 383] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 383] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 383] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 383] exit_group(0) = ?
[pid 383] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./45", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./45", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./45/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./45/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./45/binderfs") = 0
umount2("\x2e\x2f\x34\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./45") = 0
mkdir("./46", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 385
./strace-static-x86_64: Process 385 attached
[pid 385] set_robust_list(0x555567d7a660, 24) = 0
[pid 385] chdir("./46") = 0
[pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 385] setpgid(0, 0) = 0
[pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 385] write(3, "1000", 4) = 4
[pid 385] close(3) = 0
[pid 385] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 385] write(1, "executing program\n", 18) = 18
[pid 385] memfd_create("syzkaller", 0) = 3
[pid 385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 385] munmap(0x7f70a0b30000, 138412032) = 0
[ 42.327938][ T383] loop0: detected capacity change from 0 to 512
[ 42.335356][ T383] EXT4-fs: Ignoring removed orlov option
[ 42.342919][ T383] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.357088][ T383] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.370157][ T383] EXT4-fs (loop0): 1 orphan inode deleted
[pid 385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 385] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 385] close(3) = 0
[pid 385] close(4) = 0
[pid 385] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 385] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 385] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 385] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 385] ioctl(4, LOOP_CLR_FD) = 0
[pid 385] close(4) = 0
[pid 385] chdir("./file0") = 0
[pid 385] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 385] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 385] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 385] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 385] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 385] exit_group(0) = ?
[pid 385] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=385, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./46", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./46", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./46/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./46/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./46/binderfs") = 0
umount2("\x2e\x2f\x34\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./46") = 0
mkdir("./47", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 387
./strace-static-x86_64: Process 387 attached
[pid 387] set_robust_list(0x555567d7a660, 24) = 0
[pid 387] chdir("./47") = 0
[pid 387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 387] setpgid(0, 0) = 0
[pid 387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 387] write(3, "1000", 4) = 4
[pid 387] close(3) = 0
[pid 387] symlink("/dev/binderfs", "./binderfs") = 0
[pid 387] write(1, "executing program\n", 18executing program
) = 18
[pid 387] memfd_create("syzkaller", 0) = 3
[pid 387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 387] munmap(0x7f70a0b30000, 138412032) = 0
[ 42.405364][ T385] loop0: detected capacity change from 0 to 512
[ 42.413776][ T385] EXT4-fs: Ignoring removed orlov option
[ 42.421877][ T385] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.436325][ T385] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.449466][ T385] EXT4-fs (loop0): 1 orphan inode deleted
[pid 387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 387] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 387] close(3) = 0
[pid 387] close(4) = 0
[pid 387] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 387] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 387] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 387] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 387] ioctl(4, LOOP_CLR_FD) = 0
[pid 387] close(4) = 0
[pid 387] chdir("./file0") = 0
[pid 387] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 387] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 387] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 387] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 387] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 387] exit_group(0) = ?
[pid 387] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=387, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./47", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./47", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./47/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./47/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./47/binderfs") = 0
umount2("\x2e\x2f\x34\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./47") = 0
mkdir("./48", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 389
./strace-static-x86_64: Process 389 attached
[pid 389] set_robust_list(0x555567d7a660, 24) = 0
[pid 389] chdir("./48") = 0
[pid 389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 389] setpgid(0, 0) = 0
[pid 389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 389] write(3, "1000", 4) = 4
[pid 389] close(3) = 0
[pid 389] symlink("/dev/binderfs", "./binderfs") = 0
[pid 389] write(1, "executing program\n", 18executing program
) = 18
[pid 389] memfd_create("syzkaller", 0) = 3
[pid 389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 389] munmap(0x7f70a0b30000, 138412032) = 0
[pid 389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 42.483524][ T387] loop0: detected capacity change from 0 to 512
[ 42.491867][ T387] EXT4-fs: Ignoring removed orlov option
[ 42.500064][ T387] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.514777][ T387] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.527754][ T387] EXT4-fs (loop0): 1 orphan inode deleted
[pid 389] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 389] close(3) = 0
[pid 389] close(4) = 0
[pid 389] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 389] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 389] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 389] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 389] ioctl(4, LOOP_CLR_FD) = 0
[pid 389] close(4) = 0
[pid 389] chdir("./file0") = 0
[pid 389] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 389] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 389] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 389] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 389] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 389] exit_group(0) = ?
[pid 389] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=389, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./48", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./48", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./48/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./48/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./48/binderfs") = 0
umount2("\x2e\x2f\x34\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./48") = 0
mkdir("./49", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 391
./strace-static-x86_64: Process 391 attached
[pid 391] set_robust_list(0x555567d7a660, 24) = 0
[pid 391] chdir("./49") = 0
[pid 391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 391] setpgid(0, 0) = 0
[pid 391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 391] write(3, "1000", 4) = 4
[pid 391] close(3) = 0
[pid 391] symlink("/dev/binderfs", "./binderfs") = 0
[pid 391] write(1, "executing program\n", 18executing program
) = 18
[pid 391] memfd_create("syzkaller", 0) = 3
[pid 391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 391] munmap(0x7f70a0b30000, 138412032) = 0
[pid 391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 42.559817][ T389] loop0: detected capacity change from 0 to 512
[ 42.567810][ T389] EXT4-fs: Ignoring removed orlov option
[ 42.575334][ T389] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.589818][ T389] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.603025][ T389] EXT4-fs (loop0): 1 orphan inode deleted
[pid 391] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 391] close(3) = 0
[pid 391] close(4) = 0
[pid 391] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 391] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 391] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 391] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 391] ioctl(4, LOOP_CLR_FD) = 0
[pid 391] close(4) = 0
[pid 391] chdir("./file0") = 0
[pid 391] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 391] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 391] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 391] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 391] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 391] exit_group(0) = ?
[pid 391] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=391, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./49", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./49", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./49/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./49/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./49/binderfs") = 0
umount2("\x2e\x2f\x34\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x34\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x34\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x34\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./49") = 0
mkdir("./50", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 393
./strace-static-x86_64: Process 393 attached
[pid 393] set_robust_list(0x555567d7a660, 24) = 0
[pid 393] chdir("./50") = 0
[pid 393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 393] setpgid(0, 0) = 0
[pid 393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 393] write(3, "1000", 4) = 4
[pid 393] close(3) = 0
[pid 393] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 393] write(1, "executing program\n", 18) = 18
[pid 393] memfd_create("syzkaller", 0) = 3
[pid 393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 393] munmap(0x7f70a0b30000, 138412032) = 0
[ 42.631637][ T391] loop0: detected capacity change from 0 to 512
[ 42.639761][ T391] EXT4-fs: Ignoring removed orlov option
[ 42.647821][ T391] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.662043][ T391] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.675175][ T391] EXT4-fs (loop0): 1 orphan inode deleted
[pid 393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 393] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 393] close(3) = 0
[pid 393] close(4) = 0
[pid 393] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 393] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 393] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 393] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 393] ioctl(4, LOOP_CLR_FD) = 0
[pid 393] close(4) = 0
[pid 393] chdir("./file0") = 0
[pid 393] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 393] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 393] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 393] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 393] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 393] exit_group(0) = ?
[pid 393] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=393, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
umount2("./50", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./50", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./50/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./50/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./50/binderfs") = 0
umount2("\x2e\x2f\x35\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./50") = 0
mkdir("./51", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 395
./strace-static-x86_64: Process 395 attached
[pid 395] set_robust_list(0x555567d7a660, 24) = 0
[pid 395] chdir("./51") = 0
[pid 395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 395] setpgid(0, 0) = 0
[pid 395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 395] write(3, "1000", 4) = 4
[pid 395] close(3) = 0
[pid 395] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 395] write(1, "executing program\n", 18) = 18
[pid 395] memfd_create("syzkaller", 0) = 3
[pid 395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 395] munmap(0x7f70a0b30000, 138412032) = 0
[pid 395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 42.711554][ T393] loop0: detected capacity change from 0 to 512
[ 42.719962][ T393] EXT4-fs: Ignoring removed orlov option
[ 42.727641][ T393] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.741866][ T393] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.755045][ T393] EXT4-fs (loop0): 1 orphan inode deleted
[pid 395] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 395] close(3) = 0
[pid 395] close(4) = 0
[pid 395] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 395] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 395] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 395] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 395] ioctl(4, LOOP_CLR_FD) = 0
[pid 395] close(4) = 0
[pid 395] chdir("./file0") = 0
[pid 395] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 395] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 395] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 395] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 395] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 395] exit_group(0) = ?
[pid 395] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=395, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./51", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./51", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./51/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./51/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./51/binderfs") = 0
umount2("\x2e\x2f\x35\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./51") = 0
mkdir("./52", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 397
./strace-static-x86_64: Process 397 attached
[pid 397] set_robust_list(0x555567d7a660, 24) = 0
[pid 397] chdir("./52") = 0
[pid 397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 397] setpgid(0, 0) = 0
[pid 397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 397] write(3, "1000", 4) = 4
[pid 397] close(3) = 0
[pid 397] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 397] write(1, "executing program\n", 18) = 18
[pid 397] memfd_create("syzkaller", 0) = 3
[pid 397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 397] munmap(0x7f70a0b30000, 138412032) = 0
[pid 397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 42.784255][ T395] loop0: detected capacity change from 0 to 512
[ 42.791852][ T395] EXT4-fs: Ignoring removed orlov option
[ 42.799848][ T395] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.814151][ T395] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.827307][ T395] EXT4-fs (loop0): 1 orphan inode deleted
[pid 397] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 397] close(3) = 0
[pid 397] close(4) = 0
[pid 397] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 397] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 397] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 397] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 397] ioctl(4, LOOP_CLR_FD) = 0
[pid 397] close(4) = 0
[pid 397] chdir("./file0") = 0
[pid 397] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 397] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 397] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 397] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 397] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 397] exit_group(0) = ?
[pid 397] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=397, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./52", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./52", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./52/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./52/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./52/binderfs") = 0
umount2("\x2e\x2f\x35\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./52") = 0
mkdir("./53", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 399
./strace-static-x86_64: Process 399 attached
[pid 399] set_robust_list(0x555567d7a660, 24) = 0
executing program
[pid 399] chdir("./53") = 0
[pid 399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 399] setpgid(0, 0) = 0
[pid 399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 399] write(3, "1000", 4) = 4
[pid 399] close(3) = 0
[pid 399] symlink("/dev/binderfs", "./binderfs") = 0
[pid 399] write(1, "executing program\n", 18) = 18
[pid 399] memfd_create("syzkaller", 0) = 3
[pid 399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 399] munmap(0x7f70a0b30000, 138412032) = 0
[pid 399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 42.865942][ T397] loop0: detected capacity change from 0 to 512
[ 42.874128][ T397] EXT4-fs: Ignoring removed orlov option
[ 42.882146][ T397] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.897111][ T397] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.910163][ T397] EXT4-fs (loop0): 1 orphan inode deleted
[pid 399] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 399] close(3) = 0
[pid 399] close(4) = 0
[pid 399] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 399] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 399] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 399] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 399] ioctl(4, LOOP_CLR_FD) = 0
[pid 399] close(4) = 0
[pid 399] chdir("./file0") = 0
[pid 399] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 399] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 399] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 399] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 399] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 399] exit_group(0) = ?
[pid 399] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=399, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./53", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./53", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./53/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./53/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./53/binderfs") = 0
umount2("\x2e\x2f\x35\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./53") = 0
mkdir("./54", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 401
./strace-static-x86_64: Process 401 attached
[pid 401] set_robust_list(0x555567d7a660, 24) = 0
[pid 401] chdir("./54") = 0
[pid 401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 401] setpgid(0, 0) = 0
[pid 401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 401] write(3, "1000", 4) = 4
[pid 401] close(3) = 0
[pid 401] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 401] write(1, "executing program\n", 18) = 18
[pid 401] memfd_create("syzkaller", 0) = 3
[pid 401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 401] munmap(0x7f70a0b30000, 138412032) = 0
[pid 401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 42.938943][ T399] loop0: detected capacity change from 0 to 512
[ 42.947589][ T399] EXT4-fs: Ignoring removed orlov option
[ 42.955277][ T399] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 42.969408][ T399] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 42.982553][ T399] EXT4-fs (loop0): 1 orphan inode deleted
[pid 401] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 401] close(3) = 0
[pid 401] close(4) = 0
[pid 401] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 401] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 401] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 401] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 401] ioctl(4, LOOP_CLR_FD) = 0
[pid 401] close(4) = 0
[pid 401] chdir("./file0") = 0
[pid 401] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 401] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 401] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 401] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 401] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 401] exit_group(0) = ?
[pid 401] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=401, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./54", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./54", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./54/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./54/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./54/binderfs") = 0
umount2("\x2e\x2f\x35\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./54") = 0
mkdir("./55", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 403
./strace-static-x86_64: Process 403 attached
[pid 403] set_robust_list(0x555567d7a660, 24) = 0
[pid 403] chdir("./55") = 0
[pid 403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 403] setpgid(0, 0) = 0
[pid 403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 403] write(3, "1000", 4) = 4
[pid 403] close(3) = 0
[pid 403] symlink("/dev/binderfs", "./binderfs") = 0
[pid 403] write(1, "executing program\n", 18executing program
) = 18
[pid 403] memfd_create("syzkaller", 0) = 3
[pid 403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 403] munmap(0x7f70a0b30000, 138412032) = 0
[pid 403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.016399][ T401] loop0: detected capacity change from 0 to 512
[ 43.023920][ T401] EXT4-fs: Ignoring removed orlov option
[ 43.032019][ T401] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.046175][ T401] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.059687][ T401] EXT4-fs (loop0): 1 orphan inode deleted
[pid 403] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 403] close(3) = 0
[pid 403] close(4) = 0
[pid 403] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 403] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 403] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 403] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 403] ioctl(4, LOOP_CLR_FD) = 0
[pid 403] close(4) = 0
[pid 403] chdir("./file0") = 0
[pid 403] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 403] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 403] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 403] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 403] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 403] exit_group(0) = ?
[pid 403] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=403, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./55", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./55", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./55/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./55/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./55/binderfs") = 0
umount2("\x2e\x2f\x35\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
executing program
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./55") = 0
mkdir("./56", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 405
./strace-static-x86_64: Process 405 attached
[pid 405] set_robust_list(0x555567d7a660, 24) = 0
[pid 405] chdir("./56") = 0
[pid 405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 405] setpgid(0, 0) = 0
[pid 405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 405] write(3, "1000", 4) = 4
[pid 405] close(3) = 0
[pid 405] symlink("/dev/binderfs", "./binderfs") = 0
[pid 405] write(1, "executing program\n", 18) = 18
[pid 405] memfd_create("syzkaller", 0) = 3
[pid 405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 405] munmap(0x7f70a0b30000, 138412032) = 0
[pid 405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.088650][ T403] loop0: detected capacity change from 0 to 512
[ 43.097131][ T403] EXT4-fs: Ignoring removed orlov option
[ 43.104861][ T403] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.119370][ T403] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.132842][ T403] EXT4-fs (loop0): 1 orphan inode deleted
[pid 405] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 405] close(3) = 0
[pid 405] close(4) = 0
[pid 405] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 405] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 405] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 405] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 405] ioctl(4, LOOP_CLR_FD) = 0
[pid 405] close(4) = 0
[pid 405] chdir("./file0") = 0
[pid 405] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 405] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 405] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 405] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 405] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 405] exit_group(0) = ?
[pid 405] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=405, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./56", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./56", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./56/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./56/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./56/binderfs") = 0
umount2("\x2e\x2f\x35\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./56") = 0
mkdir("./57", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 407
./strace-static-x86_64: Process 407 attached
[pid 407] set_robust_list(0x555567d7a660, 24) = 0
[pid 407] chdir("./57") = 0
[pid 407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 407] setpgid(0, 0) = 0
[pid 407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 407] write(3, "1000", 4) = 4
[pid 407] close(3) = 0
[pid 407] symlink("/dev/binderfs", "./binderfs") = 0
[pid 407] write(1, "executing program\n", 18) = 18
[pid 407] memfd_create("syzkaller", 0) = 3
[pid 407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 407] munmap(0x7f70a0b30000, 138412032) = 0
[pid 407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.154808][ T405] loop0: detected capacity change from 0 to 512
[ 43.163363][ T405] EXT4-fs: Ignoring removed orlov option
[ 43.171094][ T405] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.185427][ T405] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.198463][ T405] EXT4-fs (loop0): 1 orphan inode deleted
[pid 407] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 407] close(3) = 0
[pid 407] close(4) = 0
[pid 407] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 407] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 407] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 407] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 407] ioctl(4, LOOP_CLR_FD) = 0
[pid 407] close(4) = 0
[pid 407] chdir("./file0") = 0
[pid 407] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 407] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 407] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 407] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 407] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 407] exit_group(0) = ?
[pid 407] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=407, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./57", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./57", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./57/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./57/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./57/binderfs") = 0
umount2("\x2e\x2f\x35\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./57"executing program
) = 0
mkdir("./58", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 409
./strace-static-x86_64: Process 409 attached
[pid 409] set_robust_list(0x555567d7a660, 24) = 0
[pid 409] chdir("./58") = 0
[pid 409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 409] setpgid(0, 0) = 0
[pid 409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 409] write(3, "1000", 4) = 4
[pid 409] close(3) = 0
[pid 409] symlink("/dev/binderfs", "./binderfs") = 0
[pid 409] write(1, "executing program\n", 18) = 18
[pid 409] memfd_create("syzkaller", 0) = 3
[pid 409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 409] munmap(0x7f70a0b30000, 138412032) = 0
[pid 409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.229452][ T407] loop0: detected capacity change from 0 to 512
[ 43.236840][ T407] EXT4-fs: Ignoring removed orlov option
[ 43.244483][ T407] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.258707][ T407] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.271838][ T407] EXT4-fs (loop0): 1 orphan inode deleted
[pid 409] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 409] close(3) = 0
[pid 409] close(4) = 0
[pid 409] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 409] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 409] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 409] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 409] ioctl(4, LOOP_CLR_FD) = 0
[pid 409] close(4) = 0
[pid 409] chdir("./file0") = 0
[pid 409] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 409] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 409] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 409] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 409] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 409] exit_group(0) = ?
[pid 409] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=409, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
umount2("./58", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./58", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./58/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./58/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./58/binderfs") = 0
umount2("\x2e\x2f\x35\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./58") = 0
mkdir("./59", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 411
./strace-static-x86_64: Process 411 attached
[pid 411] set_robust_list(0x555567d7a660, 24) = 0
[pid 411] chdir("./59") = 0
[pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 411] setpgid(0, 0) = 0
[pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 411] write(3, "1000", 4) = 4
[pid 411] close(3) = 0
[pid 411] symlink("/dev/binderfs", "./binderfs") = 0
[pid 411] write(1, "executing program\n", 18executing program
) = 18
[pid 411] memfd_create("syzkaller", 0) = 3
[pid 411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 411] munmap(0x7f70a0b30000, 138412032) = 0
[pid 411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.294302][ T409] loop0: detected capacity change from 0 to 512
[ 43.301904][ T409] EXT4-fs: Ignoring removed orlov option
[ 43.309890][ T409] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.324473][ T409] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.337487][ T409] EXT4-fs (loop0): 1 orphan inode deleted
[pid 411] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 411] close(3) = 0
[pid 411] close(4) = 0
[pid 411] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 411] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 411] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 411] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 411] ioctl(4, LOOP_CLR_FD) = 0
[pid 411] close(4) = 0
[pid 411] chdir("./file0") = 0
[pid 411] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 411] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 411] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 411] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 411] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 411] exit_group(0) = ?
[pid 411] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./59", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./59", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./59/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./59/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./59/binderfs") = 0
umount2("\x2e\x2f\x35\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x35\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x35\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x35\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x35\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./59") = 0
mkdir("./60", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 413
./strace-static-x86_64: Process 413 attached
[pid 413] set_robust_list(0x555567d7a660, 24) = 0
[pid 413] chdir("./60") = 0
[pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 413] setpgid(0, 0) = 0
[pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 413] write(3, "1000", 4) = 4
[pid 413] close(3) = 0
[pid 413] symlink("/dev/binderfs", "./binderfs") = 0
[pid 413] write(1, "executing program\n", 18executing program
) = 18
[pid 413] memfd_create("syzkaller", 0) = 3
[pid 413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[ 43.368879][ T411] loop0: detected capacity change from 0 to 512
[ 43.377442][ T411] EXT4-fs: Ignoring removed orlov option
[ 43.385840][ T411] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.400160][ T411] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.413243][ T411] EXT4-fs (loop0): 1 orphan inode deleted
[pid 413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 413] munmap(0x7f70a0b30000, 138412032) = 0
[pid 413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 413] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 413] close(3) = 0
[pid 413] close(4) = 0
[pid 413] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 413] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 413] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 413] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 413] ioctl(4, LOOP_CLR_FD) = 0
[pid 413] close(4) = 0
[pid 413] chdir("./file0") = 0
[pid 413] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 413] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 413] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 413] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 413] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 413] exit_group(0) = ?
[pid 413] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./60", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./60", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./60/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./60/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./60/binderfs") = 0
umount2("\x2e\x2f\x36\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./60") = 0
mkdir("./61", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 415 attached
, child_tidptr=0x555567d7a650) = 415
[pid 415] set_robust_list(0x555567d7a660, 24) = 0
[pid 415] chdir("./61") = 0
[pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 415] setpgid(0, 0) = 0
[pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 415] write(3, "1000", 4) = 4
[pid 415] close(3) = 0
[pid 415] symlink("/dev/binderfs", "./binderfs") = 0
[pid 415] write(1, "executing program\n", 18executing program
) = 18
[pid 415] memfd_create("syzkaller", 0) = 3
[pid 415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 415] munmap(0x7f70a0b30000, 138412032) = 0
[pid 415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.451983][ T413] loop0: detected capacity change from 0 to 512
[ 43.459607][ T413] EXT4-fs: Ignoring removed orlov option
[ 43.468237][ T413] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.482444][ T413] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.495503][ T413] EXT4-fs (loop0): 1 orphan inode deleted
[pid 415] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 415] close(3) = 0
[pid 415] close(4) = 0
[pid 415] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 415] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 415] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 415] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 415] ioctl(4, LOOP_CLR_FD) = 0
[pid 415] close(4) = 0
[pid 415] chdir("./file0") = 0
[pid 415] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 415] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 415] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 415] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 415] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 415] exit_group(0) = ?
[pid 415] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
umount2("./61", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./61", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./61/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./61/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./61/binderfs") = 0
umount2("\x2e\x2f\x36\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./61") = 0
mkdir("./62", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 417
./strace-static-x86_64: Process 417 attached
[pid 417] set_robust_list(0x555567d7a660, 24) = 0
[pid 417] chdir("./62") = 0
[pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 417] setpgid(0, 0) = 0
[pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 417] write(3, "1000", 4) = 4
[pid 417] close(3) = 0
[pid 417] symlink("/dev/binderfs", "./binderfs") = 0
[pid 417] write(1, "executing program\n", 18executing program
) = 18
[pid 417] memfd_create("syzkaller", 0) = 3
[pid 417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 417] munmap(0x7f70a0b30000, 138412032) = 0
[pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.531914][ T415] loop0: detected capacity change from 0 to 512
[ 43.539567][ T415] EXT4-fs: Ignoring removed orlov option
[ 43.547732][ T415] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.562755][ T415] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.575956][ T415] EXT4-fs (loop0): 1 orphan inode deleted
[pid 417] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 417] close(3) = 0
[pid 417] close(4) = 0
[pid 417] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 417] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 417] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 417] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 417] ioctl(4, LOOP_CLR_FD) = 0
[pid 417] close(4) = 0
[pid 417] chdir("./file0") = 0
[pid 417] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 417] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 417] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 417] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 417] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 417] exit_group(0) = ?
[pid 417] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./62", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./62", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./62/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./62/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./62/binderfs") = 0
umount2("\x2e\x2f\x36\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./62") = 0
mkdir("./63", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 419
./strace-static-x86_64: Process 419 attached
[pid 419] set_robust_list(0x555567d7a660, 24) = 0
[pid 419] chdir("./63") = 0
[pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 419] setpgid(0, 0) = 0
[pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 419] write(3, "1000", 4) = 4
[pid 419] close(3) = 0
[pid 419] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 419] write(1, "executing program\n", 18) = 18
[pid 419] memfd_create("syzkaller", 0) = 3
[pid 419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 419] munmap(0x7f70a0b30000, 138412032) = 0
[pid 419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.607671][ T417] loop0: detected capacity change from 0 to 512
[ 43.615028][ T417] EXT4-fs: Ignoring removed orlov option
[ 43.623307][ T417] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.637647][ T417] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.651013][ T417] EXT4-fs (loop0): 1 orphan inode deleted
[pid 419] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 419] close(3) = 0
[pid 419] close(4) = 0
[pid 419] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 419] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 419] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 419] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 419] ioctl(4, LOOP_CLR_FD) = 0
[pid 419] close(4) = 0
[pid 419] chdir("./file0") = 0
[pid 419] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 419] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 419] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 419] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 419] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 419] exit_group(0) = ?
[pid 419] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./63", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./63", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./63/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./63/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./63/binderfs") = 0
umount2("\x2e\x2f\x36\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./63") = 0
mkdir("./64", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 421
./strace-static-x86_64: Process 421 attached
[pid 421] set_robust_list(0x555567d7a660, 24) = 0
[pid 421] chdir("./64") = 0
[pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 421] setpgid(0, 0) = 0
executing program
[pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 421] write(3, "1000", 4) = 4
[pid 421] close(3) = 0
[pid 421] symlink("/dev/binderfs", "./binderfs") = 0
[pid 421] write(1, "executing program\n", 18) = 18
[pid 421] memfd_create("syzkaller", 0) = 3
[pid 421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 421] munmap(0x7f70a0b30000, 138412032) = 0
[pid 421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.687041][ T419] loop0: detected capacity change from 0 to 512
[ 43.695544][ T419] EXT4-fs: Ignoring removed orlov option
[ 43.703211][ T419] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.717477][ T419] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.730839][ T419] EXT4-fs (loop0): 1 orphan inode deleted
[pid 421] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 421] close(3) = 0
[pid 421] close(4) = 0
[pid 421] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 421] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 421] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 421] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 421] ioctl(4, LOOP_CLR_FD) = 0
[pid 421] close(4) = 0
[pid 421] chdir("./file0") = 0
[pid 421] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 421] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 421] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 421] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 421] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 421] exit_group(0) = ?
[pid 421] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./64", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./64", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./64/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./64/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./64/binderfs") = 0
umount2("\x2e\x2f\x36\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./64") = 0
mkdir("./65", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 423
./strace-static-x86_64: Process 423 attached
[pid 423] set_robust_list(0x555567d7a660, 24) = 0
[pid 423] chdir("./65") = 0
[pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 423] setpgid(0, 0) = 0
[pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 423] write(3, "1000", 4) = 4
[pid 423] close(3) = 0
[pid 423] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 423] write(1, "executing program\n", 18) = 18
[pid 423] memfd_create("syzkaller", 0) = 3
[pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 423] munmap(0x7f70a0b30000, 138412032) = 0
[pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.767118][ T421] loop0: detected capacity change from 0 to 512
[ 43.776477][ T421] EXT4-fs: Ignoring removed orlov option
[ 43.783973][ T421] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.798312][ T421] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.811280][ T421] EXT4-fs (loop0): 1 orphan inode deleted
[pid 423] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 423] close(3) = 0
[pid 423] close(4) = 0
[pid 423] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 423] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 423] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 423] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 423] ioctl(4, LOOP_CLR_FD) = 0
[pid 423] close(4) = 0
[pid 423] chdir("./file0") = 0
[pid 423] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 423] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 423] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 423] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 423] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 423] exit_group(0) = ?
[pid 423] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./65", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./65", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./65/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./65/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./65/binderfs") = 0
umount2("\x2e\x2f\x36\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./65") = 0
mkdir("./66", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 425
./strace-static-x86_64: Process 425 attached
[pid 425] set_robust_list(0x555567d7a660, 24) = 0
[pid 425] chdir("./66") = 0
[pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 425] setpgid(0, 0) = 0
[pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 425] write(3, "1000", 4) = 4
[pid 425] close(3) = 0
[pid 425] symlink("/dev/binderfs", "./binderfs") = 0
[pid 425] write(1, "executing program\n", 18executing program
) = 18
[pid 425] memfd_create("syzkaller", 0) = 3
[pid 425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 425] munmap(0x7f70a0b30000, 138412032) = 0
[pid 425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.834755][ T423] loop0: detected capacity change from 0 to 512
[ 43.842300][ T423] EXT4-fs: Ignoring removed orlov option
[ 43.849922][ T423] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.864152][ T423] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.877205][ T423] EXT4-fs (loop0): 1 orphan inode deleted
[pid 425] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 425] close(3) = 0
[pid 425] close(4) = 0
[pid 425] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 425] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 425] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[ 43.911636][ T425] loop0: detected capacity change from 0 to 512
[ 43.920401][ T425] EXT4-fs: Ignoring removed orlov option
[ 43.929087][ T425] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 43.943319][ T425] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 43.956477][ T425] EXT4-fs (loop0): 1 orphan inode deleted
[pid 425] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 425] ioctl(4, LOOP_CLR_FD) = 0
[pid 425] close(4) = 0
[pid 425] chdir("./file0") = 0
[pid 425] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 425] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 425] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 425] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 425] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 425] exit_group(0) = ?
[pid 425] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./66", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./66", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./66/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./66/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./66/binderfs") = 0
umount2("\x2e\x2f\x36\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./66") = 0
mkdir("./67", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 427
./strace-static-x86_64: Process 427 attached
[pid 427] set_robust_list(0x555567d7a660, 24) = 0
[pid 427] chdir("./67") = 0
[pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 427] setpgid(0, 0) = 0
executing program
[pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 427] write(3, "1000", 4) = 4
[pid 427] close(3) = 0
[pid 427] symlink("/dev/binderfs", "./binderfs") = 0
[pid 427] write(1, "executing program\n", 18) = 18
[pid 427] memfd_create("syzkaller", 0) = 3
[pid 427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 427] munmap(0x7f70a0b30000, 138412032) = 0
[pid 427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 427] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 427] close(3) = 0
[pid 427] close(4) = 0
[pid 427] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 427] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 427] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 427] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 427] ioctl(4, LOOP_CLR_FD) = 0
[pid 427] close(4) = 0
[pid 427] chdir("./file0") = 0
[pid 427] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 427] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 427] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 427] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 427] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 427] exit_group(0) = ?
[pid 427] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./67", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./67", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./67/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./67/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./67/binderfs") = 0
umount2("\x2e\x2f\x36\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./67") = 0
mkdir("./68", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 429
./strace-static-x86_64: Process 429 attached
[pid 429] set_robust_list(0x555567d7a660, 24) = 0
[pid 429] chdir("./68") = 0
[pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 429] setpgid(0, 0) = 0
[pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 429] write(3, "1000", 4) = 4
[pid 429] close(3) = 0
[pid 429] symlink("/dev/binderfs", "./binderfs") = 0
[pid 429] write(1, "executing program\n", 18executing program
) = 18
[pid 429] memfd_create("syzkaller", 0) = 3
[pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 429] munmap(0x7f70a0b30000, 138412032) = 0
[pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 43.996666][ T427] loop0: detected capacity change from 0 to 512
[ 44.004410][ T427] EXT4-fs: Ignoring removed orlov option
[ 44.012134][ T427] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.026809][ T427] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.039914][ T427] EXT4-fs (loop0): 1 orphan inode deleted
[pid 429] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 429] close(3) = 0
[pid 429] close(4) = 0
[pid 429] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 429] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 429] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 429] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 429] ioctl(4, LOOP_CLR_FD) = 0
[pid 429] close(4) = 0
[pid 429] chdir("./file0") = 0
[pid 429] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 429] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 429] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 429] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 429] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 429] exit_group(0) = ?
[pid 429] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./68", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./68", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./68/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./68/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./68/binderfs") = 0
umount2("\x2e\x2f\x36\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./68") = 0
mkdir("./69", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 431
./strace-static-x86_64: Process 431 attached
[pid 431] set_robust_list(0x555567d7a660, 24) = 0
[pid 431] chdir("./69") = 0
[pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 431] setpgid(0, 0) = 0
[pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 431] write(3, "1000", 4) = 4
[pid 431] close(3) = 0
[pid 431] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 431] write(1, "executing program\n", 18) = 18
[pid 431] memfd_create("syzkaller", 0) = 3
[pid 431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 431] munmap(0x7f70a0b30000, 138412032) = 0
[pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.074420][ T429] loop0: detected capacity change from 0 to 512
[ 44.082704][ T429] EXT4-fs: Ignoring removed orlov option
[ 44.090343][ T429] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.104577][ T429] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.117617][ T429] EXT4-fs (loop0): 1 orphan inode deleted
[pid 431] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 431] close(3) = 0
[pid 431] close(4) = 0
[pid 431] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 431] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 431] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 431] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 431] ioctl(4, LOOP_CLR_FD) = 0
[pid 431] close(4) = 0
[pid 431] chdir("./file0") = 0
[pid 431] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 431] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 431] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 431] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 431] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 431] exit_group(0) = ?
[pid 431] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./69", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./69", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./69/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./69/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./69/binderfs") = 0
umount2("\x2e\x2f\x36\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x36\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x36\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x36\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x36\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./69") = 0
mkdir("./70", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 433
./strace-static-x86_64: Process 433 attached
[pid 433] set_robust_list(0x555567d7a660, 24) = 0
[pid 433] chdir("./70") = 0
[pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 433] setpgid(0, 0) = 0
[pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 433] write(3, "1000", 4) = 4
[pid 433] close(3) = 0
[pid 433] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 433] write(1, "executing program\n", 18) = 18
[pid 433] memfd_create("syzkaller", 0) = 3
[pid 433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 433] munmap(0x7f70a0b30000, 138412032) = 0
[pid 433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.154595][ T431] loop0: detected capacity change from 0 to 512
[ 44.163227][ T431] EXT4-fs: Ignoring removed orlov option
[ 44.171145][ T431] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.185374][ T431] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.198453][ T431] EXT4-fs (loop0): 1 orphan inode deleted
[pid 433] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 433] close(3) = 0
[pid 433] close(4) = 0
[pid 433] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 433] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 433] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 433] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 433] ioctl(4, LOOP_CLR_FD) = 0
[pid 433] close(4) = 0
[pid 433] chdir("./file0") = 0
[pid 433] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 433] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 433] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 433] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 433] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 433] exit_group(0) = ?
[pid 433] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
umount2("./70", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./70", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./70/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./70/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./70/binderfs") = 0
umount2("\x2e\x2f\x37\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./70") = 0
mkdir("./71", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 435
./strace-static-x86_64: Process 435 attached
[pid 435] set_robust_list(0x555567d7a660, 24) = 0
[pid 435] chdir("./71") = 0
[pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 435] setpgid(0, 0) = 0
[pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 435] write(3, "1000", 4) = 4
[pid 435] close(3) = 0
[pid 435] symlink("/dev/binderfs", "./binderfs") = 0
[pid 435] write(1, "executing program\n", 18executing program
) = 18
[pid 435] memfd_create("syzkaller", 0) = 3
[pid 435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 435] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 435] munmap(0x7f70a0b30000, 138412032) = 0
[pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.234112][ T433] loop0: detected capacity change from 0 to 512
[ 44.243005][ T433] EXT4-fs: Ignoring removed orlov option
[ 44.251044][ T433] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.265339][ T433] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.278544][ T433] EXT4-fs (loop0): 1 orphan inode deleted
[pid 435] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 435] close(3) = 0
[pid 435] close(4) = 0
[pid 435] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 435] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 435] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 435] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 435] ioctl(4, LOOP_CLR_FD) = 0
[pid 435] close(4) = 0
[pid 435] chdir("./file0") = 0
[pid 435] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 435] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 435] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 435] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 435] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 435] exit_group(0) = ?
[pid 435] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./71", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./71", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./71/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./71/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./71/binderfs") = 0
umount2("\x2e\x2f\x37\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./71") = 0
mkdir("./72", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 437
./strace-static-x86_64: Process 437 attached
[pid 437] set_robust_list(0x555567d7a660, 24) = 0
[pid 437] chdir("./72") = 0
[pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 437] setpgid(0, 0) = 0
executing program
[pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 437] write(3, "1000", 4) = 4
[pid 437] close(3) = 0
[pid 437] symlink("/dev/binderfs", "./binderfs") = 0
[pid 437] write(1, "executing program\n", 18) = 18
[pid 437] memfd_create("syzkaller", 0) = 3
[pid 437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 437] munmap(0x7f70a0b30000, 138412032) = 0
[pid 437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.308001][ T435] loop0: detected capacity change from 0 to 512
[ 44.316533][ T435] EXT4-fs: Ignoring removed orlov option
[ 44.324084][ T435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.338321][ T435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.351607][ T435] EXT4-fs (loop0): 1 orphan inode deleted
[pid 437] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 437] close(3) = 0
[pid 437] close(4) = 0
[pid 437] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 437] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 437] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 437] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 437] ioctl(4, LOOP_CLR_FD) = 0
[pid 437] close(4) = 0
[pid 437] chdir("./file0") = 0
[pid 437] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 437] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 437] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 437] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 437] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 437] exit_group(0) = ?
[pid 437] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./72", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./72", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./72/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./72/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./72/binderfs") = 0
umount2("\x2e\x2f\x37\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./72") = 0
mkdir("./73", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 439
./strace-static-x86_64: Process 439 attached
[pid 439] set_robust_list(0x555567d7a660, 24) = 0
[pid 439] chdir("./73") = 0
[pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 439] setpgid(0, 0) = 0
[pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 439] write(3, "1000", 4) = 4
[pid 439] close(3) = 0
[pid 439] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 439] write(1, "executing program\n", 18) = 18
[pid 439] memfd_create("syzkaller", 0) = 3
[pid 439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 439] munmap(0x7f70a0b30000, 138412032) = 0
[pid 439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.385120][ T437] loop0: detected capacity change from 0 to 512
[ 44.392896][ T437] EXT4-fs: Ignoring removed orlov option
[ 44.400486][ T437] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.414824][ T437] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.427755][ T437] EXT4-fs (loop0): 1 orphan inode deleted
[pid 439] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 439] close(3) = 0
[pid 439] close(4) = 0
[pid 439] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 439] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[ 44.463062][ T439] loop0: detected capacity change from 0 to 512
[ 44.472762][ T439] EXT4-fs: Ignoring removed orlov option
[ 44.480678][ T439] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.495112][ T439] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[pid 439] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 439] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 439] ioctl(4, LOOP_CLR_FD) = 0
[pid 439] close(4) = 0
[pid 439] chdir("./file0") = 0
[pid 439] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 439] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 439] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 439] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 439] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 439] exit_group(0) = ?
[pid 439] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./73", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./73", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./73/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./73/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./73/binderfs") = 0
umount2("\x2e\x2f\x37\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./73") = 0
mkdir("./74", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 441
./strace-static-x86_64: Process 441 attached
[pid 441] set_robust_list(0x555567d7a660, 24) = 0
[pid 441] chdir("./74") = 0
[pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 441] setpgid(0, 0) = 0
[pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 441] write(3, "1000", 4) = 4
[pid 441] close(3) = 0
[pid 441] symlink("/dev/binderfs", "./binderfs") = 0
[pid 441] write(1, "executing program\n", 18executing program
) = 18
[pid 441] memfd_create("syzkaller", 0) = 3
[pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 441] munmap(0x7f70a0b30000, 138412032) = 0
[pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.508366][ T439] EXT4-fs (loop0): 1 orphan inode deleted
[pid 441] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 441] close(3) = 0
[pid 441] close(4) = 0
[pid 441] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 441] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 441] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 441] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 441] ioctl(4, LOOP_CLR_FD) = 0
[pid 441] close(4) = 0
[pid 441] chdir("./file0") = 0
[pid 441] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 441] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 441] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 441] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 441] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 441] exit_group(0) = ?
[pid 441] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./74", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./74", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./74/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./74/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./74/binderfs") = 0
umount2("\x2e\x2f\x37\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./74") = 0
mkdir("./75", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 443
./strace-static-x86_64: Process 443 attached
[pid 443] set_robust_list(0x555567d7a660, 24) = 0
[pid 443] chdir("./75") = 0
[pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 443] setpgid(0, 0) = 0
[pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 443] write(3, "1000", 4) = 4
[pid 443] close(3) = 0
[pid 443] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 443] write(1, "executing program\n", 18) = 18
[pid 443] memfd_create("syzkaller", 0) = 3
[pid 443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 443] munmap(0x7f70a0b30000, 138412032) = 0
[pid 443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.539463][ T441] loop0: detected capacity change from 0 to 512
[ 44.546935][ T441] EXT4-fs: Ignoring removed orlov option
[ 44.555091][ T441] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.570082][ T441] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.583228][ T441] EXT4-fs (loop0): 1 orphan inode deleted
[pid 443] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 443] close(3) = 0
[pid 443] close(4) = 0
[pid 443] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 443] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 443] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 443] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 443] ioctl(4, LOOP_CLR_FD) = 0
[pid 443] close(4) = 0
[pid 443] chdir("./file0") = 0
[pid 443] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 443] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 443] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 443] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 443] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 443] exit_group(0) = ?
[pid 443] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./75", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./75", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./75/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./75/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./75/binderfs") = 0
umount2("\x2e\x2f\x37\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./75") = 0
mkdir("./76", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 445
executing program
./strace-static-x86_64: Process 445 attached
[pid 445] set_robust_list(0x555567d7a660, 24) = 0
[pid 445] chdir("./76") = 0
[pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 445] setpgid(0, 0) = 0
[pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 445] write(3, "1000", 4) = 4
[pid 445] close(3) = 0
[pid 445] symlink("/dev/binderfs", "./binderfs") = 0
[pid 445] write(1, "executing program\n", 18) = 18
[pid 445] memfd_create("syzkaller", 0) = 3
[pid 445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 445] munmap(0x7f70a0b30000, 138412032) = 0
[pid 445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.613094][ T443] loop0: detected capacity change from 0 to 512
[ 44.620709][ T443] EXT4-fs: Ignoring removed orlov option
[ 44.628867][ T443] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.642966][ T443] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.655861][ T443] EXT4-fs (loop0): 1 orphan inode deleted
[pid 445] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 445] close(3) = 0
[pid 445] close(4) = 0
[pid 445] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 445] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 445] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 445] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 445] ioctl(4, LOOP_CLR_FD) = 0
[pid 445] close(4) = 0
[pid 445] chdir("./file0") = 0
[pid 445] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 445] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 445] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 445] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 445] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 445] exit_group(0) = ?
[pid 445] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./76", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./76", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./76/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./76/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./76/binderfs") = 0
umount2("\x2e\x2f\x37\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./76") = 0
mkdir("./77", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 447
./strace-static-x86_64: Process 447 attached
[pid 447] set_robust_list(0x555567d7a660, 24) = 0
[pid 447] chdir("./77") = 0
[pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 447] setpgid(0, 0) = 0
[pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 447] write(3, "1000", 4) = 4
[pid 447] close(3) = 0
[pid 447] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 447] write(1, "executing program\n", 18) = 18
[pid 447] memfd_create("syzkaller", 0) = 3
[pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 447] munmap(0x7f70a0b30000, 138412032) = 0
[pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.686044][ T445] loop0: detected capacity change from 0 to 512
[ 44.694279][ T445] EXT4-fs: Ignoring removed orlov option
[ 44.701963][ T445] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.716236][ T445] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.729332][ T445] EXT4-fs (loop0): 1 orphan inode deleted
[pid 447] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 447] close(3) = 0
[pid 447] close(4) = 0
[pid 447] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 447] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 447] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 447] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 447] ioctl(4, LOOP_CLR_FD) = 0
[pid 447] close(4) = 0
[pid 447] chdir("./file0") = 0
[pid 447] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 447] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 447] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 447] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 447] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 447] exit_group(0) = ?
[pid 447] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./77", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./77", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./77/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./77/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./77/binderfs") = 0
umount2("\x2e\x2f\x37\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./77") = 0
mkdir("./78", 0777executing program
) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 449
./strace-static-x86_64: Process 449 attached
[pid 449] set_robust_list(0x555567d7a660, 24) = 0
[pid 449] chdir("./78") = 0
[pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 449] setpgid(0, 0) = 0
[pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 449] write(3, "1000", 4) = 4
[pid 449] close(3) = 0
[pid 449] symlink("/dev/binderfs", "./binderfs") = 0
[pid 449] write(1, "executing program\n", 18) = 18
[pid 449] memfd_create("syzkaller", 0) = 3
[pid 449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 449] munmap(0x7f70a0b30000, 138412032) = 0
[pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.763736][ T447] loop0: detected capacity change from 0 to 512
[ 44.771255][ T447] EXT4-fs: Ignoring removed orlov option
[ 44.780124][ T447] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.794458][ T447] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.807479][ T447] EXT4-fs (loop0): 1 orphan inode deleted
[pid 449] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 449] close(3) = 0
[pid 449] close(4) = 0
[pid 449] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 449] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 449] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 449] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 449] ioctl(4, LOOP_CLR_FD) = 0
[pid 449] close(4) = 0
[pid 449] chdir("./file0") = 0
[pid 449] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 449] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 449] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 449] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 449] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 449] exit_group(0) = ?
[pid 449] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./78", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./78", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./78/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./78/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./78/binderfs") = 0
umount2("\x2e\x2f\x37\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./78") = 0
mkdir("./79", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 451
./strace-static-x86_64: Process 451 attached
[pid 451] set_robust_list(0x555567d7a660, 24) = 0
[pid 451] chdir("./79") = 0
[pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 451] setpgid(0, 0) = 0
[pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 451] write(3, "1000", 4) = 4
[pid 451] close(3) = 0
[pid 451] symlink("/dev/binderfs", "./binderfs") = 0
[pid 451] write(1, "executing program\n", 18) = 18
[pid 451] memfd_create("syzkaller", 0) = 3
[pid 451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 451] munmap(0x7f70a0b30000, 138412032) = 0
[pid 451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.841598][ T449] loop0: detected capacity change from 0 to 512
[ 44.849781][ T449] EXT4-fs: Ignoring removed orlov option
[ 44.857524][ T449] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.872205][ T449] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.885100][ T449] EXT4-fs (loop0): 1 orphan inode deleted
[pid 451] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 451] close(3) = 0
[pid 451] close(4) = 0
[pid 451] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 451] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 451] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 451] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[ 44.919982][ T451] loop0: detected capacity change from 0 to 512
[ 44.928365][ T451] EXT4-fs: Ignoring removed orlov option
[ 44.937592][ T451] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 44.951743][ T451] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 44.964719][ T451] EXT4-fs (loop0): 1 orphan inode deleted
[pid 451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 451] ioctl(4, LOOP_CLR_FD) = 0
[pid 451] close(4) = 0
[pid 451] chdir("./file0") = 0
[pid 451] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 451] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 451] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 451] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 451] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 451] exit_group(0) = ?
[pid 451] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./79", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./79", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./79/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./79/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./79/binderfs") = 0
umount2("\x2e\x2f\x37\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x37\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x37\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x37\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x37\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./79") = 0
mkdir("./80", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 453
./strace-static-x86_64: Process 453 attached
[pid 453] set_robust_list(0x555567d7a660, 24) = 0
[pid 453] chdir("./80") = 0
[pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 453] setpgid(0, 0) = 0
[pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 453] write(3, "1000", 4) = 4
[pid 453] close(3) = 0
[pid 453] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 453] write(1, "executing program\n", 18) = 18
[pid 453] memfd_create("syzkaller", 0) = 3
[pid 453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 453] munmap(0x7f70a0b30000, 138412032) = 0
[pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 453] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 453] close(3) = 0
[pid 453] close(4) = 0
[pid 453] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 453] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 453] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 453] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 453] ioctl(4, LOOP_CLR_FD) = 0
[pid 453] close(4) = 0
[pid 453] chdir("./file0") = 0
[pid 453] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 453] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 453] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 453] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 453] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 453] exit_group(0) = ?
[pid 453] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./80", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./80", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./80/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./80/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./80/binderfs") = 0
umount2("\x2e\x2f\x38\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./80") = 0
mkdir("./81", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 455
./strace-static-x86_64: Process 455 attached
[pid 455] set_robust_list(0x555567d7a660, 24) = 0
[pid 455] chdir("./81") = 0
[pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 455] setpgid(0, 0) = 0
[pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 455] write(3, "1000", 4) = 4
[pid 455] close(3) = 0
[pid 455] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 455] write(1, "executing program\n", 18) = 18
[pid 455] memfd_create("syzkaller", 0) = 3
[pid 455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 455] munmap(0x7f70a0b30000, 138412032) = 0
[pid 455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 44.998798][ T453] loop0: detected capacity change from 0 to 512
[ 45.006215][ T453] EXT4-fs: Ignoring removed orlov option
[ 45.013661][ T453] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.027791][ T453] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.041402][ T453] EXT4-fs (loop0): 1 orphan inode deleted
[pid 455] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 455] close(3) = 0
[pid 455] close(4) = 0
[pid 455] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 455] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 455] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 455] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 455] ioctl(4, LOOP_CLR_FD) = 0
[pid 455] close(4) = 0
[pid 455] chdir("./file0") = 0
[pid 455] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 455] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 455] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 455] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 455] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 455] exit_group(0) = ?
[pid 455] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./81", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./81", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./81/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./81/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./81/binderfs") = 0
umount2("\x2e\x2f\x38\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./81") = 0
mkdir("./82", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 458
./strace-static-x86_64: Process 458 attached
[pid 458] set_robust_list(0x555567d7a660, 24) = 0
[pid 458] chdir("./82") = 0
[pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 458] setpgid(0, 0) = 0
[pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 458] write(3, "1000", 4) = 4
[pid 458] close(3) = 0
[pid 458] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 458] write(1, "executing program\n", 18) = 18
[pid 458] memfd_create("syzkaller", 0) = 3
[pid 458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 458] munmap(0x7f70a0b30000, 138412032) = 0
[pid 458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.070325][ T455] loop0: detected capacity change from 0 to 512
[ 45.077710][ T455] EXT4-fs: Ignoring removed orlov option
[ 45.085351][ T455] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.099539][ T455] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.113069][ T455] EXT4-fs (loop0): 1 orphan inode deleted
[pid 458] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 458] close(3) = 0
[pid 458] close(4) = 0
[pid 458] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 458] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 458] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 458] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 458] ioctl(4, LOOP_CLR_FD) = 0
[pid 458] close(4) = 0
[pid 458] chdir("./file0") = 0
[pid 458] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 458] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 458] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 458] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 458] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 458] exit_group(0) = ?
[pid 458] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./82", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./82", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./82/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./82/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./82/binderfs") = 0
umount2("\x2e\x2f\x38\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./82") = 0
mkdir("./83", 0777executing program
) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 460
./strace-static-x86_64: Process 460 attached
[pid 460] set_robust_list(0x555567d7a660, 24) = 0
[pid 460] chdir("./83") = 0
[pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 460] setpgid(0, 0) = 0
[pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 460] write(3, "1000", 4) = 4
[pid 460] close(3) = 0
[pid 460] symlink("/dev/binderfs", "./binderfs") = 0
[pid 460] write(1, "executing program\n", 18) = 18
[pid 460] memfd_create("syzkaller", 0) = 3
[pid 460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 460] munmap(0x7f70a0b30000, 138412032) = 0
[pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.141715][ T458] loop0: detected capacity change from 0 to 512
[ 45.149104][ T458] EXT4-fs: Ignoring removed orlov option
[ 45.156663][ T458] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.171323][ T458] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.184696][ T458] EXT4-fs (loop0): 1 orphan inode deleted
[pid 460] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 460] close(3) = 0
[pid 460] close(4) = 0
[pid 460] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 460] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 460] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 460] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 460] ioctl(4, LOOP_CLR_FD) = 0
[pid 460] close(4) = 0
[pid 460] chdir("./file0") = 0
[pid 460] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 460] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 460] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 460] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 460] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 460] exit_group(0) = ?
[pid 460] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./83", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./83", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./83/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./83/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./83/binderfs") = 0
umount2("\x2e\x2f\x38\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./83") = 0
mkdir("./84", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 462
./strace-static-x86_64: Process 462 attached
[pid 462] set_robust_list(0x555567d7a660, 24) = 0
[pid 462] chdir("./84") = 0
[pid 462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 462] setpgid(0, 0) = 0
[pid 462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 462] write(3, "1000", 4) = 4
[pid 462] close(3) = 0
[pid 462] symlink("/dev/binderfs", "./binderfs") = 0
[pid 462] write(1, "executing program\n", 18) = 18
[pid 462] memfd_create("syzkaller", 0) = 3
[pid 462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 462] munmap(0x7f70a0b30000, 138412032) = 0
[pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.217386][ T460] loop0: detected capacity change from 0 to 512
[ 45.224722][ T460] EXT4-fs: Ignoring removed orlov option
[ 45.232397][ T460] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.246684][ T460] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.259828][ T460] EXT4-fs (loop0): 1 orphan inode deleted
[pid 462] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 462] close(3) = 0
[pid 462] close(4) = 0
[pid 462] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 462] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 462] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 462] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 462] ioctl(4, LOOP_CLR_FD) = 0
[pid 462] close(4) = 0
[pid 462] chdir("./file0") = 0
[pid 462] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 462] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 462] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 462] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 462] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 462] exit_group(0) = ?
[pid 462] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./84", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./84", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./84/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./84/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./84/binderfs") = 0
umount2("\x2e\x2f\x38\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./84") = 0
mkdir("./85", 0777executing program
) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 464
./strace-static-x86_64: Process 464 attached
[pid 464] set_robust_list(0x555567d7a660, 24) = 0
[pid 464] chdir("./85") = 0
[pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 464] setpgid(0, 0) = 0
[pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 464] write(3, "1000", 4) = 4
[pid 464] close(3) = 0
[pid 464] symlink("/dev/binderfs", "./binderfs") = 0
[pid 464] write(1, "executing program\n", 18) = 18
[pid 464] memfd_create("syzkaller", 0) = 3
[pid 464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 464] munmap(0x7f70a0b30000, 138412032) = 0
[pid 464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.291584][ T462] loop0: detected capacity change from 0 to 512
[ 45.298987][ T462] EXT4-fs: Ignoring removed orlov option
[ 45.307104][ T462] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.321218][ T462] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.334410][ T462] EXT4-fs (loop0): 1 orphan inode deleted
[pid 464] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 464] close(3) = 0
[pid 464] close(4) = 0
[pid 464] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 464] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 464] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 464] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 464] ioctl(4, LOOP_CLR_FD) = 0
[pid 464] close(4) = 0
[pid 464] chdir("./file0") = 0
[pid 464] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 464] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 464] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 464] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 464] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 464] exit_group(0) = ?
[pid 464] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./85", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./85", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./85/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./85/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./85/binderfs") = 0
umount2("\x2e\x2f\x38\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./85") = 0
mkdir("./86", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 466
./strace-static-x86_64: Process 466 attached
[pid 466] set_robust_list(0x555567d7a660, 24) = 0
[pid 466] chdir("./86") = 0
[pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 466] setpgid(0, 0) = 0
[pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 466] write(3, "1000", 4) = 4
[pid 466] close(3) = 0
[pid 466] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 466] write(1, "executing program\n", 18) = 18
[pid 466] memfd_create("syzkaller", 0) = 3
[pid 466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 466] munmap(0x7f70a0b30000, 138412032) = 0
[pid 466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.363906][ T464] loop0: detected capacity change from 0 to 512
[ 45.371621][ T464] EXT4-fs: Ignoring removed orlov option
[ 45.379517][ T464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.393647][ T464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.406794][ T464] EXT4-fs (loop0): 1 orphan inode deleted
[pid 466] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 466] close(3) = 0
[pid 466] close(4) = 0
[pid 466] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 466] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 466] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 466] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 466] ioctl(4, LOOP_CLR_FD) = 0
[pid 466] close(4) = 0
[pid 466] chdir("./file0") = 0
[pid 466] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 466] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 466] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 466] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 466] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 466] exit_group(0) = ?
[pid 466] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./86", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./86", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./86/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./86/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./86/binderfs") = 0
umount2("\x2e\x2f\x38\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./86") = 0
mkdir("./87", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 468
./strace-static-x86_64: Process 468 attached
[pid 468] set_robust_list(0x555567d7a660, 24) = 0
[pid 468] chdir("./87") = 0
[pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 468] setpgid(0, 0) = 0
[pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 468] write(3, "1000", 4) = 4
[pid 468] close(3) = 0
[pid 468] symlink("/dev/binderfs", "./binderfs") = 0
[pid 468] write(1, "executing program\n", 18executing program
) = 18
[pid 468] memfd_create("syzkaller", 0) = 3
[pid 468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 468] munmap(0x7f70a0b30000, 138412032) = 0
[pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.435184][ T466] loop0: detected capacity change from 0 to 512
[ 45.442785][ T466] EXT4-fs: Ignoring removed orlov option
[ 45.450371][ T466] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.465306][ T466] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.478345][ T466] EXT4-fs (loop0): 1 orphan inode deleted
[pid 468] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 468] close(3) = 0
[pid 468] close(4) = 0
[pid 468] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 468] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 468] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 468] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 468] ioctl(4, LOOP_CLR_FD) = 0
[pid 468] close(4) = 0
[pid 468] chdir("./file0") = 0
[pid 468] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 468] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 468] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 468] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 468] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 468] exit_group(0) = ?
[pid 468] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./87", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./87", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./87/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./87/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./87/binderfs") = 0
umount2("\x2e\x2f\x38\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./87") = 0
mkdir("./88", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 470
./strace-static-x86_64: Process 470 attached
[pid 470] set_robust_list(0x555567d7a660, 24) = 0
[pid 470] chdir("./88") = 0
[pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 470] setpgid(0, 0) = 0
[pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 470] write(3, "1000", 4) = 4
[pid 470] close(3) = 0
[pid 470] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 470] write(1, "executing program\n", 18) = 18
[pid 470] memfd_create("syzkaller", 0) = 3
[pid 470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[ 45.512024][ T468] loop0: detected capacity change from 0 to 512
[ 45.519866][ T468] EXT4-fs: Ignoring removed orlov option
[ 45.527550][ T468] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.541661][ T468] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.554575][ T468] EXT4-fs (loop0): 1 orphan inode deleted
[pid 470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 470] munmap(0x7f70a0b30000, 138412032) = 0
[pid 470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 470] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 470] close(3) = 0
[pid 470] close(4) = 0
[pid 470] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 470] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[ 45.591042][ T470] loop0: detected capacity change from 0 to 512
[ 45.601132][ T470] EXT4-fs: Ignoring removed orlov option
[ 45.608915][ T470] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.623321][ T470] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[pid 470] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 470] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 470] ioctl(4, LOOP_CLR_FD) = 0
[pid 470] close(4) = 0
[pid 470] chdir("./file0") = 0
[pid 470] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 470] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 470] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 470] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 470] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 470] exit_group(0) = ?
[pid 470] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./88", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./88", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./88/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./88/binderfs") = 0
umount2("\x2e\x2f\x38\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./88") = 0
mkdir("./89", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 472
./strace-static-x86_64: Process 472 attached
[pid 472] set_robust_list(0x555567d7a660, 24) = 0
[pid 472] chdir("./89") = 0
[pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 472] setpgid(0, 0) = 0
[pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 472] write(3, "1000", 4) = 4
[pid 472] close(3) = 0
[pid 472] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 472] write(1, "executing program\n", 18) = 18
[pid 472] memfd_create("syzkaller", 0) = 3
[pid 472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 472] munmap(0x7f70a0b30000, 138412032) = 0
[pid 472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.636411][ T470] EXT4-fs (loop0): 1 orphan inode deleted
[pid 472] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 472] close(3) = 0
[pid 472] close(4) = 0
[pid 472] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 472] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 472] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 472] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 472] ioctl(4, LOOP_CLR_FD) = 0
[pid 472] close(4) = 0
[pid 472] chdir("./file0") = 0
[pid 472] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 472] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 472] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 472] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 472] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 472] exit_group(0) = ?
[pid 472] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./89/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./89/binderfs") = 0
umount2("\x2e\x2f\x38\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x38\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x38\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x38\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x38\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./89") = 0
mkdir("./90", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 474
./strace-static-x86_64: Process 474 attached
[pid 474] set_robust_list(0x555567d7a660, 24) = 0
[pid 474] chdir("./90") = 0
[pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 474] setpgid(0, 0) = 0
[pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 474] write(3, "1000", 4) = 4
[pid 474] close(3) = 0
[pid 474] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 474] write(1, "executing program\n", 18) = 18
[pid 474] memfd_create("syzkaller", 0) = 3
[pid 474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 474] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 474] munmap(0x7f70a0b30000, 138412032) = 0
[pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.670755][ T472] loop0: detected capacity change from 0 to 512
[ 45.678278][ T472] EXT4-fs: Ignoring removed orlov option
[ 45.686892][ T472] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.700998][ T472] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.713960][ T472] EXT4-fs (loop0): 1 orphan inode deleted
[pid 474] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 474] close(3) = 0
[pid 474] close(4) = 0
[pid 474] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 474] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 474] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 474] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 474] ioctl(4, LOOP_CLR_FD) = 0
[pid 474] close(4) = 0
[pid 474] chdir("./file0") = 0
[pid 474] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 474] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 474] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 474] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 474] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 474] exit_group(0) = ?
[pid 474] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./90/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./90/binderfs") = 0
umount2("\x2e\x2f\x39\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./90") = 0
mkdir("./91", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 476
./strace-static-x86_64: Process 476 attached
[pid 476] set_robust_list(0x555567d7a660, 24) = 0
[pid 476] chdir("./91") = 0
[pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 476] setpgid(0, 0) = 0
[pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 476] write(3, "1000", 4) = 4
[pid 476] close(3) = 0
[pid 476] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 476] write(1, "executing program\n", 18) = 18
[pid 476] memfd_create("syzkaller", 0) = 3
[pid 476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 476] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 476] munmap(0x7f70a0b30000, 138412032) = 0
[pid 476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.740414][ T474] loop0: detected capacity change from 0 to 512
[ 45.747953][ T474] EXT4-fs: Ignoring removed orlov option
[ 45.755528][ T474] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.770301][ T474] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.783380][ T474] EXT4-fs (loop0): 1 orphan inode deleted
[pid 476] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 476] close(3) = 0
[pid 476] close(4) = 0
[pid 476] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 476] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 476] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 476] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 476] ioctl(4, LOOP_CLR_FD) = 0
[pid 476] close(4) = 0
[pid 476] chdir("./file0") = 0
[pid 476] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 476] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 476] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 476] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 476] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 476] exit_group(0) = ?
[pid 476] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./91/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./91/binderfs") = 0
umount2("\x2e\x2f\x39\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./91") = 0
mkdir("./92", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 478
./strace-static-x86_64: Process 478 attached
[pid 478] set_robust_list(0x555567d7a660, 24) = 0
[pid 478] chdir("./92") = 0
[pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 478] setpgid(0, 0) = 0
[pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 478] write(3, "1000", 4) = 4
[pid 478] close(3) = 0
[pid 478] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 478] write(1, "executing program\n", 18) = 18
[pid 478] memfd_create("syzkaller", 0) = 3
[pid 478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 478] munmap(0x7f70a0b30000, 138412032) = 0
[pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.816976][ T476] loop0: detected capacity change from 0 to 512
[ 45.824475][ T476] EXT4-fs: Ignoring removed orlov option
[ 45.832278][ T476] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.846428][ T476] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.859487][ T476] EXT4-fs (loop0): 1 orphan inode deleted
[pid 478] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 478] close(3) = 0
[pid 478] close(4) = 0
[pid 478] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 478] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 478] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 478] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[ 45.897862][ T478] loop0: detected capacity change from 0 to 512
[ 45.907230][ T478] EXT4-fs: Ignoring removed orlov option
[ 45.914974][ T478] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 45.929368][ T478] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 45.942497][ T478] EXT4-fs (loop0): 1 orphan inode deleted
[pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 478] ioctl(4, LOOP_CLR_FD) = 0
[pid 478] close(4) = 0
[pid 478] chdir("./file0") = 0
[pid 478] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 478] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 478] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 478] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 478] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 478] exit_group(0) = ?
[pid 478] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./92/binderfs") = 0
umount2("\x2e\x2f\x39\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./92") = 0
mkdir("./93", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 480
./strace-static-x86_64: Process 480 attached
[pid 480] set_robust_list(0x555567d7a660, 24) = 0
[pid 480] chdir("./93") = 0
[pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 480] setpgid(0, 0) = 0
[pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 480] write(3, "1000", 4) = 4
[pid 480] close(3) = 0
[pid 480] symlink("/dev/binderfs", "./binderfs") = 0
[pid 480] write(1, "executing program\n", 18executing program
) = 18
[pid 480] memfd_create("syzkaller", 0) = 3
[pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 480] munmap(0x7f70a0b30000, 138412032) = 0
[pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 480] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 480] close(3) = 0
[pid 480] close(4) = 0
[pid 480] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 480] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 480] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 480] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 480] ioctl(4, LOOP_CLR_FD) = 0
[pid 480] close(4) = 0
[pid 480] chdir("./file0") = 0
[pid 480] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 480] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 480] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 480] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 480] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 480] exit_group(0) = ?
[pid 480] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./93/binderfs") = 0
umount2("\x2e\x2f\x39\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./93") = 0
mkdir("./94", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 482
./strace-static-x86_64: Process 482 attached
[pid 482] set_robust_list(0x555567d7a660, 24) = 0
[pid 482] chdir("./94") = 0
[pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 482] setpgid(0, 0) = 0
[pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 482] write(3, "1000", 4) = 4
[pid 482] close(3) = 0
[pid 482] symlink("/dev/binderfs", "./binderfs") = 0
[pid 482] write(1, "executing program\n", 18) = 18
[pid 482] memfd_create("syzkaller", 0) = 3
[pid 482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 482] munmap(0x7f70a0b30000, 138412032) = 0
[pid 482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 45.981289][ T480] loop0: detected capacity change from 0 to 512
[ 45.988918][ T480] EXT4-fs: Ignoring removed orlov option
[ 45.997512][ T480] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.011628][ T480] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.024648][ T480] EXT4-fs (loop0): 1 orphan inode deleted
[pid 482] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 482] close(3) = 0
[pid 482] close(4) = 0
[pid 482] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 46.059407][ T482] loop0: detected capacity change from 0 to 512
[ 46.078005][ T482] EXT4-fs: Ignoring removed orlov option
[ 46.085928][ T482] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[pid 482] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 482] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 482] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 482] ioctl(4, LOOP_CLR_FD) = 0
[pid 482] close(4) = 0
[pid 482] chdir("./file0") = 0
[pid 482] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 482] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 482] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 482] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 482] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 482] exit_group(0) = ?
[pid 482] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./94/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./94/binderfs") = 0
umount2("\x2e\x2f\x39\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./94") = 0
mkdir("./95", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 484
./strace-static-x86_64: Process 484 attached
[pid 484] set_robust_list(0x555567d7a660, 24) = 0
[pid 484] chdir("./95") = 0
[pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 484] setpgid(0, 0) = 0
[pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 484] write(3, "1000", 4) = 4
[pid 484] close(3) = 0
[pid 484] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 484] write(1, "executing program\n", 18) = 18
[pid 484] memfd_create("syzkaller", 0) = 3
[pid 484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 484] munmap(0x7f70a0b30000, 138412032) = 0
[pid 484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 484] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 484] close(3) = 0
[pid 484] close(4) = 0
[pid 484] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 46.100200][ T482] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.113072][ T482] EXT4-fs (loop0): 1 orphan inode deleted
[ 46.142768][ T484] loop0: detected capacity change from 0 to 512
[ 46.150297][ T484] EXT4-fs: Ignoring removed orlov option
[pid 484] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 484] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 484] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 484] ioctl(4, LOOP_CLR_FD) = 0
[pid 484] close(4) = 0
[pid 484] chdir("./file0") = 0
[pid 484] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 484] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 484] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 484] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 484] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 484] exit_group(0) = ?
[pid 484] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./95/binderfs") = 0
umount2("\x2e\x2f\x39\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./95") = 0
mkdir("./96", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 486
./strace-static-x86_64: Process 486 attached
[pid 486] set_robust_list(0x555567d7a660, 24) = 0
[pid 486] chdir("./96") = 0
[pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 486] setpgid(0, 0) = 0
[pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 486] write(3, "1000", 4) = 4
[pid 486] close(3) = 0
[pid 486] symlink("/dev/binderfs", "./binderfs") = 0
[pid 486] write(1, "executing program\n", 18executing program
) = 18
[pid 486] memfd_create("syzkaller", 0) = 3
[pid 486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 486] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 486] munmap(0x7f70a0b30000, 138412032) = 0
[pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.157981][ T484] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.172169][ T484] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.185873][ T484] EXT4-fs (loop0): 1 orphan inode deleted
[pid 486] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 486] close(3) = 0
[pid 486] close(4) = 0
[pid 486] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 486] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 486] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 486] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 486] ioctl(4, LOOP_CLR_FD) = 0
[pid 486] close(4) = 0
[pid 486] chdir("./file0") = 0
[pid 486] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 486] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 486] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 486] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 486] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 486] exit_group(0) = ?
[pid 486] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./96/binderfs") = 0
umount2("\x2e\x2f\x39\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./96") = 0
mkdir("./97", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 488
./strace-static-x86_64: Process 488 attached
[pid 488] set_robust_list(0x555567d7a660, 24) = 0
[pid 488] chdir("./97") = 0
[pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 488] setpgid(0, 0) = 0
[pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 488] write(3, "1000", 4) = 4
[pid 488] close(3) = 0
[pid 488] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 488] write(1, "executing program\n", 18) = 18
[pid 488] memfd_create("syzkaller", 0) = 3
[pid 488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 488] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 488] munmap(0x7f70a0b30000, 138412032) = 0
[pid 488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.226240][ T486] loop0: detected capacity change from 0 to 512
[ 46.233626][ T486] EXT4-fs: Ignoring removed orlov option
[ 46.241233][ T486] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.255782][ T486] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.268689][ T486] EXT4-fs (loop0): 1 orphan inode deleted
[pid 488] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 488] close(3) = 0
[pid 488] close(4) = 0
[pid 488] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 488] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 488] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 488] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 488] ioctl(4, LOOP_CLR_FD) = 0
[pid 488] close(4) = 0
[pid 488] chdir("./file0") = 0
[pid 488] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 488] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 488] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 488] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 488] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 488] exit_group(0) = ?
[pid 488] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./97/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./97/binderfs") = 0
umount2("\x2e\x2f\x39\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./97") = 0
mkdir("./98", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 490
./strace-static-x86_64: Process 490 attached
[pid 490] set_robust_list(0x555567d7a660, 24) = 0
[pid 490] chdir("./98") = 0
[pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 490] setpgid(0, 0) = 0
[pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 490] write(3, "1000", 4) = 4
[pid 490] close(3) = 0
[pid 490] symlink("/dev/binderfs", "./binderfs") = 0
[pid 490] write(1, "executing program\n", 18executing program
) = 18
[pid 490] memfd_create("syzkaller", 0) = 3
[pid 490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 490] munmap(0x7f70a0b30000, 138412032) = 0
[pid 490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.302717][ T488] loop0: detected capacity change from 0 to 512
[ 46.310283][ T488] EXT4-fs: Ignoring removed orlov option
[ 46.318265][ T488] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.332458][ T488] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.345939][ T488] EXT4-fs (loop0): 1 orphan inode deleted
[pid 490] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 490] close(3) = 0
[pid 490] close(4) = 0
[pid 490] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 490] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 490] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 490] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 490] ioctl(4, LOOP_CLR_FD) = 0
[pid 490] close(4) = 0
[pid 490] chdir("./file0") = 0
[pid 490] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 490] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 490] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 490] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 490] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 490] exit_group(0) = ?
[pid 490] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./98/binderfs") = 0
umount2("\x2e\x2f\x39\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, executing program
0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./98") = 0
mkdir("./99", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 492
./strace-static-x86_64: Process 492 attached
[pid 492] set_robust_list(0x555567d7a660, 24) = 0
[pid 492] chdir("./99") = 0
[pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 492] setpgid(0, 0) = 0
[pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 492] write(3, "1000", 4) = 4
[pid 492] close(3) = 0
[pid 492] symlink("/dev/binderfs", "./binderfs") = 0
[pid 492] write(1, "executing program\n", 18) = 18
[pid 492] memfd_create("syzkaller", 0) = 3
[pid 492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 492] munmap(0x7f70a0b30000, 138412032) = 0
[pid 492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.378041][ T490] loop0: detected capacity change from 0 to 512
[ 46.385524][ T490] EXT4-fs: Ignoring removed orlov option
[ 46.393173][ T490] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.407657][ T490] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.420663][ T490] EXT4-fs (loop0): 1 orphan inode deleted
[pid 492] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 492] close(3) = 0
[pid 492] close(4) = 0
[pid 492] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 492] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 492] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 492] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 492] ioctl(4, LOOP_CLR_FD) = 0
[pid 492] close(4) = 0
[pid 492] chdir("./file0") = 0
[pid 492] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 492] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 492] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 492] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 492] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 492] exit_group(0) = ?
[pid 492] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./99/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./99/binderfs") = 0
umount2("\x2e\x2f\x39\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x39\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x39\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x39\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x39\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./99") = 0
mkdir("./100", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 494
./strace-static-x86_64: Process 494 attached
[pid 494] set_robust_list(0x555567d7a660, 24) = 0
[pid 494] chdir("./100") = 0
[pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 494] setpgid(0, 0) = 0
[pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 494] write(3, "1000", 4) = 4
[pid 494] close(3) = 0
[pid 494] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 494] write(1, "executing program\n", 18) = 18
[pid 494] memfd_create("syzkaller", 0) = 3
[pid 494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 494] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[ 46.454861][ T492] loop0: detected capacity change from 0 to 512
[ 46.463366][ T492] EXT4-fs: Ignoring removed orlov option
[ 46.471252][ T492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.485337][ T492] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.499225][ T492] EXT4-fs (loop0): 1 orphan inode deleted
[pid 494] munmap(0x7f70a0b30000, 138412032) = 0
[pid 494] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 494] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 494] close(3) = 0
[pid 494] close(4) = 0
[pid 494] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 46.537084][ T494] loop0: detected capacity change from 0 to 512
[ 46.547357][ T494] EXT4-fs: Ignoring removed orlov option
[ 46.555001][ T494] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.569429][ T494] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[pid 494] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 494] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 494] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 494] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 494] ioctl(4, LOOP_CLR_FD) = 0
[pid 494] close(4) = 0
[pid 494] chdir("./file0") = 0
[pid 494] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 494] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 494] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 494] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 494] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 494] exit_group(0) = ?
[pid 494] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./100/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./100") = 0
mkdir("./101", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 496
./strace-static-x86_64: Process 496 attached
[pid 496] set_robust_list(0x555567d7a660, 24) = 0
[pid 496] chdir("./101") = 0
[pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 496] setpgid(0, 0) = 0
[pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 496] write(3, "1000", 4) = 4
[pid 496] close(3) = 0
[pid 496] symlink("/dev/binderfs", "./binderfs") = 0
[pid 496] write(1, "executing program\n", 18executing program
) = 18
[pid 496] memfd_create("syzkaller", 0) = 3
[pid 496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 496] munmap(0x7f70a0b30000, 138412032) = 0
[pid 496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.582500][ T494] EXT4-fs (loop0): 1 orphan inode deleted
[pid 496] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 496] close(3) = 0
[pid 496] close(4) = 0
[pid 496] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 496] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 496] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 496] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 496] ioctl(4, LOOP_CLR_FD) = 0
[pid 496] close(4) = 0
[pid 496] chdir("./file0") = 0
[pid 496] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 496] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 496] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 496] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 496] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 496] exit_group(0) = ?
[pid 496] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./101/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./101") = 0
mkdir("./102", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 498
./strace-static-x86_64: Process 498 attached
[pid 498] set_robust_list(0x555567d7a660, 24) = 0
[pid 498] chdir("./102") = 0
[pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 498] setpgid(0, 0) = 0
[pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 498] write(3, "1000", 4) = 4
[pid 498] close(3) = 0
[pid 498] symlink("/dev/binderfs", "./binderfs") = 0
[pid 498] write(1, "executing program\n", 18executing program
) = 18
[pid 498] memfd_create("syzkaller", 0) = 3
[pid 498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 498] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 498] munmap(0x7f70a0b30000, 138412032) = 0
[pid 498] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.625107][ T496] loop0: detected capacity change from 0 to 512
[ 46.632729][ T496] EXT4-fs: Ignoring removed orlov option
[ 46.641171][ T496] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.655452][ T496] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.668601][ T496] EXT4-fs (loop0): 1 orphan inode deleted
[pid 498] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 498] close(3) = 0
[pid 498] close(4) = 0
[pid 498] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 498] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 498] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 498] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 498] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 498] ioctl(4, LOOP_CLR_FD) = 0
[pid 498] close(4) = 0
[pid 498] chdir("./file0") = 0
[pid 498] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 498] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 498] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 498] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 498] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 498] exit_group(0) = ?
[pid 498] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./102/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./102") = 0
mkdir("./103", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 500
./strace-static-x86_64: Process 500 attached
[pid 500] set_robust_list(0x555567d7a660, 24) = 0
[pid 500] chdir("./103") = 0
[pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 500] setpgid(0, 0) = 0
[pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 500] write(3, "1000", 4) = 4
[pid 500] close(3) = 0
[pid 500] symlink("/dev/binderfs", "./binderfs") = 0
[pid 500] write(1, "executing program\n", 18executing program
) = 18
[pid 500] memfd_create("syzkaller", 0) = 3
[pid 500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 500] munmap(0x7f70a0b30000, 138412032) = 0
[pid 500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.697182][ T498] loop0: detected capacity change from 0 to 512
[ 46.705503][ T498] EXT4-fs: Ignoring removed orlov option
[ 46.713778][ T498] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.728075][ T498] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.741109][ T498] EXT4-fs (loop0): 1 orphan inode deleted
[pid 500] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 500] close(3) = 0
[pid 500] close(4) = 0
[pid 500] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 500] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 500] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 500] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 500] ioctl(4, LOOP_CLR_FD) = 0
[pid 500] close(4) = 0
[pid 500] chdir("./file0") = 0
[pid 500] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 500] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 500] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 500] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 500] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 500] exit_group(0) = ?
[pid 500] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./103/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./103") = 0
mkdir("./104", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 502
./strace-static-x86_64: Process 502 attached
[pid 502] set_robust_list(0x555567d7a660, 24) = 0
[pid 502] chdir("./104") = 0
[pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 502] setpgid(0, 0) = 0
[pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 502] write(3, "1000", 4) = 4
[pid 502] close(3) = 0
[pid 502] symlink("/dev/binderfs", "./binderfs") = 0
[pid 502] write(1, "executing program\n", 18executing program
) = 18
[pid 502] memfd_create("syzkaller", 0) = 3
[pid 502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 502] munmap(0x7f70a0b30000, 138412032) = 0
[pid 502] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.771747][ T500] loop0: detected capacity change from 0 to 512
[ 46.780046][ T500] EXT4-fs: Ignoring removed orlov option
[ 46.788572][ T500] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.802761][ T500] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.815899][ T500] EXT4-fs (loop0): 1 orphan inode deleted
[pid 502] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 502] close(3) = 0
[pid 502] close(4) = 0
[pid 502] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 502] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 502] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 502] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 502] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 502] ioctl(4, LOOP_CLR_FD) = 0
[pid 502] close(4) = 0
[pid 502] chdir("./file0") = 0
[pid 502] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 502] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 502] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 502] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 502] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 502] exit_group(0) = ?
[pid 502] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./104/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./104") = 0
mkdir("./105", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 504
./strace-static-x86_64: Process 504 attached
[pid 504] set_robust_list(0x555567d7a660, 24) = 0
[pid 504] chdir("./105") = 0
[pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 504] setpgid(0, 0) = 0
[pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 504] write(3, "1000", 4) = 4
[pid 504] close(3) = 0
[pid 504] symlink("/dev/binderfs", "./binderfs") = 0
[pid 504] write(1, "executing program\n", 18executing program
) = 18
[pid 504] memfd_create("syzkaller", 0) = 3
[pid 504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[ 46.848311][ T502] loop0: detected capacity change from 0 to 512
[ 46.856765][ T502] EXT4-fs: Ignoring removed orlov option
[ 46.864321][ T502] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 46.878585][ T502] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.891728][ T502] EXT4-fs (loop0): 1 orphan inode deleted
[pid 504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 504] munmap(0x7f70a0b30000, 138412032) = 0
[pid 504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 504] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 504] close(3) = 0
[pid 504] close(4) = 0
[pid 504] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 46.933010][ T504] loop0: detected capacity change from 0 to 512
[ 46.941657][ T504] EXT4-fs: Ignoring removed orlov option
[ 46.954890][ T504] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[pid 504] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 504] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 504] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 504] ioctl(4, LOOP_CLR_FD) = 0
[pid 504] close(4) = 0
[pid 504] chdir("./file0") = 0
[pid 504] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 504] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 504] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 504] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 504] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 504] exit_group(0) = ?
[pid 504] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./105/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./105") = 0
mkdir("./106", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 506
./strace-static-x86_64: Process 506 attached
[pid 506] set_robust_list(0x555567d7a660, 24) = 0
[pid 506] chdir("./106") = 0
[pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 506] setpgid(0, 0) = 0
[pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 506] write(3, "1000", 4) = 4
[pid 506] close(3) = 0
[pid 506] symlink("/dev/binderfs", "./binderfs") = 0
[pid 506] write(1, "executing program\n", 18) = 18
[pid 506] memfd_create("syzkaller", 0) = 3
[pid 506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 506] munmap(0x7f70a0b30000, 138412032) = 0
[pid 506] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 46.971031][ T504] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 46.990806][ T504] EXT4-fs (loop0): 1 orphan inode deleted
[pid 506] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 506] close(3) = 0
[pid 506] close(4) = 0
[pid 506] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 47.038722][ T506] loop0: detected capacity change from 0 to 512
[ 47.047286][ T506] EXT4-fs: Ignoring removed orlov option
[ 47.055386][ T506] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.070747][ T506] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[pid 506] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 506] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 506] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 506] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 506] ioctl(4, LOOP_CLR_FD) = 0
[pid 506] close(4) = 0
[pid 506] chdir("./file0") = 0
[pid 506] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 506] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 506] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 506] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 506] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 506] exit_group(0) = ?
[pid 506] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./106/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./106") = 0
mkdir("./107", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 508
./strace-static-x86_64: Process 508 attached
[pid 508] set_robust_list(0x555567d7a660, 24) = 0
[pid 508] chdir("./107") = 0
[pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 508] setpgid(0, 0) = 0
executing program
[pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 508] write(3, "1000", 4) = 4
[pid 508] close(3) = 0
[pid 508] symlink("/dev/binderfs", "./binderfs") = 0
[pid 508] write(1, "executing program\n", 18) = 18
[pid 508] memfd_create("syzkaller", 0) = 3
[pid 508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 508] munmap(0x7f70a0b30000, 138412032) = 0
[pid 508] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.084188][ T506] EXT4-fs (loop0): 1 orphan inode deleted
[pid 508] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 508] close(3) = 0
[pid 508] close(4) = 0
[pid 508] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 508] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 508] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 508] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 508] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 508] ioctl(4, LOOP_CLR_FD) = 0
[pid 508] close(4) = 0
[pid 508] chdir("./file0") = 0
[pid 508] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 508] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 508] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 508] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 508] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 508] exit_group(0) = ?
[pid 508] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./107/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./107") = 0
mkdir("./108", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 510
./strace-static-x86_64: Process 510 attached
[pid 510] set_robust_list(0x555567d7a660, 24) = 0
[pid 510] chdir("./108") = 0
[pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 510] setpgid(0, 0) = 0
[pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 510] write(3, "1000", 4) = 4
[pid 510] close(3) = 0
[pid 510] symlink("/dev/binderfs", "./binderfs") = 0
[pid 510] write(1, "executing program\n", 18) = 18
[pid 510] memfd_create("syzkaller", 0) = 3
[pid 510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 510] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 510] munmap(0x7f70a0b30000, 138412032) = 0
[pid 510] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.113554][ T508] loop0: detected capacity change from 0 to 512
[ 47.121043][ T508] EXT4-fs: Ignoring removed orlov option
[ 47.128783][ T508] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.143911][ T508] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.157105][ T508] EXT4-fs (loop0): 1 orphan inode deleted
[pid 510] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 510] close(3) = 0
[pid 510] close(4) = 0
[pid 510] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 510] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 510] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 510] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 510] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 510] ioctl(4, LOOP_CLR_FD) = 0
[pid 510] close(4) = 0
[pid 510] chdir("./file0") = 0
[pid 510] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 510] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 510] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 510] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 510] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 510] exit_group(0) = ?
[pid 510] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./108/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./108") = 0
mkdir("./109", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 512
./strace-static-x86_64: Process 512 attached
[pid 512] set_robust_list(0x555567d7a660, 24) = 0
[pid 512] chdir("./109") = 0
[pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 512] setpgid(0, 0) = 0
[pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 512] write(3, "1000", 4) = 4
[pid 512] close(3) = 0
[pid 512] symlink("/dev/binderfs", "./binderfs") = 0
[pid 512] write(1, "executing program\n", 18) = 18
[pid 512] memfd_create("syzkaller", 0) = 3
[pid 512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 512] munmap(0x7f70a0b30000, 138412032) = 0
[pid 512] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.189555][ T510] loop0: detected capacity change from 0 to 512
[ 47.197456][ T510] EXT4-fs: Ignoring removed orlov option
[ 47.204928][ T510] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.219293][ T510] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.232345][ T510] EXT4-fs (loop0): 1 orphan inode deleted
[pid 512] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 512] close(3) = 0
[pid 512] close(4) = 0
[pid 512] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 512] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 512] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 512] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 512] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 512] ioctl(4, LOOP_CLR_FD) = 0
[pid 512] close(4) = 0
[pid 512] chdir("./file0") = 0
[pid 512] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 512] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 512] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 512] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 512] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 512] exit_group(0) = ?
[pid 512] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./109/binderfs") = 0
umount2("\x2e\x2f\x31\x30\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x30\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x30\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x30\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x30\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./109") = 0
mkdir("./110", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 514
./strace-static-x86_64: Process 514 attached
[pid 514] set_robust_list(0x555567d7a660, 24) = 0
[pid 514] chdir("./110") = 0
[pid 514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 514] setpgid(0, 0) = 0
[pid 514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 514] write(3, "1000", 4) = 4
[pid 514] close(3) = 0
executing program
[pid 514] symlink("/dev/binderfs", "./binderfs") = 0
[pid 514] write(1, "executing program\n", 18) = 18
[pid 514] memfd_create("syzkaller", 0) = 3
[pid 514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 514] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 514] munmap(0x7f70a0b30000, 138412032) = 0
[pid 514] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.265754][ T512] loop0: detected capacity change from 0 to 512
[ 47.273086][ T512] EXT4-fs: Ignoring removed orlov option
[ 47.281367][ T512] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.295821][ T512] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.308891][ T512] EXT4-fs (loop0): 1 orphan inode deleted
[pid 514] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 514] close(3) = 0
[pid 514] close(4) = 0
[pid 514] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 514] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 514] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 514] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 514] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 514] ioctl(4, LOOP_CLR_FD) = 0
[pid 514] close(4) = 0
[pid 514] chdir("./file0") = 0
[pid 514] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 514] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 514] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 514] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 514] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 514] exit_group(0) = ?
[pid 514] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./110/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./110") = 0
mkdir("./111", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 516
./strace-static-x86_64: Process 516 attached
[pid 516] set_robust_list(0x555567d7a660, 24) = 0
[pid 516] chdir("./111") = 0
[pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 516] setpgid(0, 0) = 0
[pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 516] write(3, "1000", 4) = 4
[pid 516] close(3) = 0
[pid 516] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 516] write(1, "executing program\n", 18) = 18
[pid 516] memfd_create("syzkaller", 0) = 3
[pid 516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 516] munmap(0x7f70a0b30000, 138412032) = 0
[ 47.343391][ T514] loop0: detected capacity change from 0 to 512
[ 47.350992][ T514] EXT4-fs: Ignoring removed orlov option
[ 47.359672][ T514] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.373905][ T514] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.387022][ T514] EXT4-fs (loop0): 1 orphan inode deleted
[pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 516] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 516] close(3) = 0
[pid 516] close(4) = 0
[pid 516] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 516] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 516] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 516] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 516] ioctl(4, LOOP_CLR_FD) = 0
[pid 516] close(4) = 0
[pid 516] chdir("./file0") = 0
[pid 516] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 516] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 516] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 516] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 516] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 516] exit_group(0) = ?
[pid 516] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./111/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./111") = 0
mkdir("./112", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 518
./strace-static-x86_64: Process 518 attached
[pid 518] set_robust_list(0x555567d7a660, 24) = 0
[pid 518] chdir("./112") = 0
[pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 518] setpgid(0, 0) = 0
[pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 518] write(3, "1000", 4) = 4
[pid 518] close(3) = 0
[pid 518] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 518] write(1, "executing program\n", 18) = 18
[pid 518] memfd_create("syzkaller", 0) = 3
[pid 518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 518] munmap(0x7f70a0b30000, 138412032) = 0
[pid 518] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.420055][ T516] loop0: detected capacity change from 0 to 512
[ 47.427660][ T516] EXT4-fs: Ignoring removed orlov option
[ 47.435278][ T516] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.449457][ T516] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.463316][ T516] EXT4-fs (loop0): 1 orphan inode deleted
[pid 518] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 518] close(3) = 0
[pid 518] close(4) = 0
[pid 518] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 518] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 518] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 518] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 518] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 518] ioctl(4, LOOP_CLR_FD) = 0
[pid 518] close(4) = 0
[pid 518] chdir("./file0") = 0
[pid 518] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 518] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 518] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 518] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 518] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 518] exit_group(0) = ?
[pid 518] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./112/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./112") = 0
mkdir("./113", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 520
./strace-static-x86_64: Process 520 attached
[pid 520] set_robust_list(0x555567d7a660, 24) = 0
[pid 520] chdir("./113") = 0
[pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 520] setpgid(0, 0) = 0
[pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 520] write(3, "1000", 4) = 4
[pid 520] close(3) = 0
[pid 520] symlink("/dev/binderfs", "./binderfs") = 0
[pid 520] write(1, "executing program\n", 18) = 18
[pid 520] memfd_create("syzkaller", 0) = 3
[pid 520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 520] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 520] munmap(0x7f70a0b30000, 138412032) = 0
[pid 520] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.491951][ T518] loop0: detected capacity change from 0 to 512
[ 47.499604][ T518] EXT4-fs: Ignoring removed orlov option
[ 47.507624][ T518] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.521751][ T518] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.534654][ T518] EXT4-fs (loop0): 1 orphan inode deleted
[pid 520] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 520] close(3) = 0
[pid 520] close(4) = 0
[pid 520] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 520] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 520] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 520] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 520] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 520] ioctl(4, LOOP_CLR_FD) = 0
[pid 520] close(4) = 0
[pid 520] chdir("./file0") = 0
[pid 520] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 520] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 520] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 520] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 520] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 520] exit_group(0) = ?
[pid 520] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./113/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x33\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./113") = 0
mkdir("./114", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 522
./strace-static-x86_64: Process 522 attached
[pid 522] set_robust_list(0x555567d7a660, 24) = 0
[pid 522] chdir("./114") = 0
[pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 522] setpgid(0, 0) = 0
[pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 522] write(3, "1000", 4) = 4
[pid 522] close(3) = 0
[pid 522] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 522] write(1, "executing program\n", 18) = 18
[pid 522] memfd_create("syzkaller", 0) = 3
[pid 522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 522] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 522] munmap(0x7f70a0b30000, 138412032) = 0
[pid 522] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.564284][ T520] loop0: detected capacity change from 0 to 512
[ 47.571694][ T520] EXT4-fs: Ignoring removed orlov option
[ 47.579846][ T520] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.593986][ T520] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.607213][ T520] EXT4-fs (loop0): 1 orphan inode deleted
[pid 522] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 522] close(3) = 0
[pid 522] close(4) = 0
[pid 522] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 522] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 522] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 522] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 522] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 522] ioctl(4, LOOP_CLR_FD) = 0
[pid 522] close(4) = 0
[pid 522] chdir("./file0") = 0
[pid 522] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 522] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 522] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 522] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 522] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 522] exit_group(0) = ?
[pid 522] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./114/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./114") = 0
mkdir("./115", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 524
./strace-static-x86_64: Process 524 attached
[pid 524] set_robust_list(0x555567d7a660, 24) = 0
[pid 524] chdir("./115") = 0
[pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
executing program
[pid 524] setpgid(0, 0) = 0
[pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 524] write(3, "1000", 4) = 4
[pid 524] close(3) = 0
[pid 524] symlink("/dev/binderfs", "./binderfs") = 0
[pid 524] write(1, "executing program\n", 18) = 18
[pid 524] memfd_create("syzkaller", 0) = 3
[pid 524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 524] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 524] munmap(0x7f70a0b30000, 138412032) = 0
[pid 524] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.645551][ T522] loop0: detected capacity change from 0 to 512
[ 47.652942][ T522] EXT4-fs: Ignoring removed orlov option
[ 47.660977][ T522] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.675134][ T522] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.688628][ T522] EXT4-fs (loop0): 1 orphan inode deleted
[pid 524] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 524] close(3) = 0
[pid 524] close(4) = 0
[pid 524] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 524] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 524] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 524] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 524] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 524] ioctl(4, LOOP_CLR_FD) = 0
[ 47.724385][ T524] loop0: detected capacity change from 0 to 512
[ 47.732694][ T524] EXT4-fs: Ignoring removed orlov option
[ 47.741673][ T524] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.756025][ T524] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.769091][ T524] EXT4-fs (loop0): 1 orphan inode deleted
[pid 524] close(4) = 0
[pid 524] chdir("./file0") = 0
[pid 524] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 524] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 524] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 524] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 524] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 524] exit_group(0) = ?
[pid 524] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./115/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x35\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./115") = 0
mkdir("./116", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 526
./strace-static-x86_64: Process 526 attached
[pid 526] set_robust_list(0x555567d7a660, 24) = 0
[pid 526] chdir("./116") = 0
[pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 526] setpgid(0, 0) = 0
[pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 526] write(3, "1000", 4) = 4
[pid 526] close(3) = 0
[pid 526] symlink("/dev/binderfs", "./binderfs") = 0
[pid 526] write(1, "executing program\n", 18executing program
) = 18
[pid 526] memfd_create("syzkaller", 0) = 3
[pid 526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 526] munmap(0x7f70a0b30000, 138412032) = 0
[pid 526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 526] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 526] close(3) = 0
[pid 526] close(4) = 0
[pid 526] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 47.803751][ T526] loop0: detected capacity change from 0 to 512
[ 47.812892][ T526] EXT4-fs: Ignoring removed orlov option
[ 47.822255][ T526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.836816][ T526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[pid 526] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 526] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 526] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 526] ioctl(4, LOOP_CLR_FD) = 0
[pid 526] close(4) = 0
[pid 526] chdir("./file0") = 0
[pid 526] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 526] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 526] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 526] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 526] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 526] exit_group(0) = ?
[pid 526] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./116/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x36\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./116") = 0
mkdir("./117", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program
, child_tidptr=0x555567d7a650) = 528
./strace-static-x86_64: Process 528 attached
[pid 528] set_robust_list(0x555567d7a660, 24) = 0
[pid 528] chdir("./117") = 0
[pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 528] setpgid(0, 0) = 0
[pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 528] write(3, "1000", 4) = 4
[pid 528] close(3) = 0
[pid 528] symlink("/dev/binderfs", "./binderfs") = 0
[pid 528] write(1, "executing program\n", 18) = 18
[pid 528] memfd_create("syzkaller", 0) = 3
[pid 528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 528] munmap(0x7f70a0b30000, 138412032) = 0
[pid 528] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.849920][ T526] EXT4-fs (loop0): 1 orphan inode deleted
[pid 528] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 528] close(3) = 0
[pid 528] close(4) = 0
[pid 528] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 528] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 528] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 528] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 528] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 528] ioctl(4, LOOP_CLR_FD) = 0
[pid 528] close(4) = 0
[pid 528] chdir("./file0") = 0
[pid 528] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 528] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 528] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 528] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 528] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 528] exit_group(0) = ?
[pid 528] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./117/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x37\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./117") = 0
mkdir("./118", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 530
executing program
./strace-static-x86_64: Process 530 attached
[pid 530] set_robust_list(0x555567d7a660, 24) = 0
[pid 530] chdir("./118") = 0
[pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 530] setpgid(0, 0) = 0
[pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 530] write(3, "1000", 4) = 4
[pid 530] close(3) = 0
[pid 530] symlink("/dev/binderfs", "./binderfs") = 0
[pid 530] write(1, "executing program\n", 18) = 18
[pid 530] memfd_create("syzkaller", 0) = 3
[pid 530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 530] munmap(0x7f70a0b30000, 138412032) = 0
[pid 530] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 47.881931][ T528] loop0: detected capacity change from 0 to 512
[ 47.889378][ T528] EXT4-fs: Ignoring removed orlov option
[ 47.896941][ T528] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.911192][ T528] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 47.924313][ T528] EXT4-fs (loop0): 1 orphan inode deleted
[pid 530] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 530] close(3) = 0
[pid 530] close(4) = 0
[pid 530] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 530] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 530] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 530] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 530] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 530] ioctl(4, LOOP_CLR_FD) = 0
[pid 530] close(4) = 0
[pid 530] chdir("./file0") = 0
[pid 530] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 530] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 530] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 530] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 530] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 530] exit_group(0) = ?
[pid 530] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./118/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x38\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./118") = 0
mkdir("./119", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 532
./strace-static-x86_64: Process 532 attached
[pid 532] set_robust_list(0x555567d7a660, 24) = 0
[pid 532] chdir("./119") = 0
[pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 532] setpgid(0, 0) = 0
[pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 532] write(3, "1000", 4) = 4
[pid 532] close(3) = 0
[pid 532] symlink("/dev/binderfs", "./binderfs") = 0
[pid 532] write(1, "executing program\n", 18executing program
) = 18
[pid 532] memfd_create("syzkaller", 0) = 3
[pid 532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[ 47.958791][ T530] loop0: detected capacity change from 0 to 512
[ 47.966484][ T530] EXT4-fs: Ignoring removed orlov option
[ 47.973954][ T530] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 47.988100][ T530] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 48.001282][ T530] EXT4-fs (loop0): 1 orphan inode deleted
[pid 532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 532] munmap(0x7f70a0b30000, 138412032) = 0
[pid 532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 532] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 532] close(3) = 0
[pid 532] close(4) = 0
[pid 532] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 532] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 532] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 532] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 532] ioctl(4, LOOP_CLR_FD) = 0
[pid 532] close(4) = 0
[pid 532] chdir("./file0") = 0
[pid 532] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 532] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 532] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 532] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 532] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 532] exit_group(0) = ?
[pid 532] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./119/binderfs") = 0
umount2("\x2e\x2f\x31\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x31\x39\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./119") = 0
mkdir("./120", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 534
./strace-static-x86_64: Process 534 attached
[pid 534] set_robust_list(0x555567d7a660, 24) = 0
[pid 534] chdir("./120") = 0
[pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 534] setpgid(0, 0) = 0
[pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 534] write(3, "1000", 4) = 4
[pid 534] close(3) = 0
[pid 534] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 534] write(1, "executing program\n", 18) = 18
[pid 534] memfd_create("syzkaller", 0) = 3
[pid 534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 534] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 534] munmap(0x7f70a0b30000, 138412032) = 0
[pid 534] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 48.037607][ T532] loop0: detected capacity change from 0 to 512
[ 48.045089][ T532] EXT4-fs: Ignoring removed orlov option
[ 48.053928][ T532] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 48.068959][ T532] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 48.081854][ T532] EXT4-fs (loop0): 1 orphan inode deleted
[pid 534] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 534] close(3) = 0
[pid 534] close(4) = 0
[pid 534] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 534] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 534] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 534] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 534] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 534] ioctl(4, LOOP_CLR_FD) = 0
[pid 534] close(4) = 0
[pid 534] chdir("./file0") = 0
[pid 534] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 534] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 534] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 534] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 534] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 534] exit_group(0) = ?
[pid 534] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[ 48.109264][ T534] loop0: detected capacity change from 0 to 512
[ 48.118015][ T534] EXT4-fs: Ignoring removed orlov option
[ 48.125429][ T534] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor273: inode #1: comm syz-executor273: iget: illegal inode #
[ 48.139788][ T534] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor273: error while reading EA inode 1 err=-117
[ 48.153800][ T534] EXT4-fs (loop0): 1 orphan inode deleted
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./120/binderfs") = 0
umount2("\x2e\x2f\x31\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x32\x30\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./120") = 0
mkdir("./121", 0777) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567d7a650) = 536
./strace-static-x86_64: Process 536 attached
[pid 536] set_robust_list(0x555567d7a660, 24) = 0
[pid 536] chdir("./121") = 0
[pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 536] setpgid(0, 0) = 0
[pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 536] write(3, "1000", 4) = 4
[pid 536] close(3) = 0
[pid 536] symlink("/dev/binderfs", "./binderfs") = 0
[pid 536] write(1, "executing program\n", 18executing program
) = 18
[pid 536] memfd_create("syzkaller", 0) = 3
[pid 536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f70a0b30000
[pid 536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144
[pid 536] munmap(0x7f70a0b30000, 138412032) = 0
[pid 536] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 536] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 536] close(3) = 0
[pid 536] close(4) = 0
[pid 536] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 536] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, "journal_ioprio=0x0000000000000005,nogrpid,orlov,minixdf,resgid=0x0000000000000000,stripe=0x000000000"...) = 0
[pid 536] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 536] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 536] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 536] ioctl(4, LOOP_CLR_FD) = 0
[pid 536] close(4) = 0
[pid 536] chdir("./file0") = 0
[pid 536] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 536] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 536] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 536] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 536] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 536] exit_group(0) = ?
[pid 536] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555567d7b6f0 /* 4 entries */, 32768) = 112
umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./121/binderfs") = 0
umount2("\x2e\x2f\x31\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x31\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("\x2e\x2f\x31\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "\x2e\x2f\x31\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x555567d83730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555567d83730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x31\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555567d7b6f0 /* 0 entries */, 32768) = 0