./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1479821277
<...>
Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts.
execve("./syz-executor1479821277", ["./syz-executor1479821277"], 0x7fffc1193ce0 /* 10 vars */) = 0
brk(NULL) = 0x555568c7c000
brk(0x555568c7cd00) = 0x555568c7cd00
arch_prctl(ARCH_SET_FS, 0x555568c7c380) = 0
set_tid_address(0x555568c7c650) = 299
set_robust_list(0x555568c7c660, 24) = 0
rseq(0x555568c7cca0, 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-executor1479821277", 4096) = 28
getrandom("\xac\xef\xdd\x39\x02\xc4\x32\xd3", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555568c7cd00
brk(0x555568c9dd00) = 0x555568c9dd00
brk(0x555568c9e000) = 0x555568c9e000
mprotect(0x7f0b1d007000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
getrandom("\xd1\x56\x1c\xec\x8c\x6d\x57\x28", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.fYQJOv", 0700) = 0
chmod("./syzkaller.fYQJOv", 0777) = 0
chdir("./syzkaller.fYQJOv") = 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=0x555568c7c650) = 301
executing program
./strace-static-x86_64: Process 301 attached
[pid 301] set_robust_list(0x555568c7c660, 24) = 0
[pid 301] chdir("./0") = 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", 18) = 18
[pid 301] memfd_create("syzkaller", 0) = 3
[pid 301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 25.494906][ T28] audit: type=1400 audit(1732983138.545:66): avc: denied { execmem } for pid=299 comm="syz-executor147" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 25.514445][ T28] audit: type=1400 audit(1732983138.545:67): avc: denied { read write } for pid=299 comm="syz-executor147" name="loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 25.523431][ T301] loop0: detected capacity change from 0 to 512
[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
[ 25.539273][ T28] audit: type=1400 audit(1732983138.545:68): avc: denied { open } for pid=299 comm="syz-executor147" path="/dev/loop0" dev="devtmpfs" ino=114 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 25.568455][ T28] audit: type=1400 audit(1732983138.545:69): avc: denied { ioctl } for pid=299 comm="syz-executor147" path="/dev/loop0" dev="devtmpfs" ino=114 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1
[ 25.574534][ T301] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 25.594419][ T28] audit: type=1400 audit(1732983138.605:70): avc: denied { mounton } for pid=301 comm="syz-executor147" path=2F726F6F742F73797A6B616C6C65722E6659514A4F762F302FE91F7189591E9233614B dev="sda1" ino=1930 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid 301] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 301] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=7} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
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, 0x555568c7d6f0 /* 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
[ 25.607786][ T301] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 25.647618][ T301] EXT4-fs (loop0): 1 orphan inode deleted
[ 25.653143][ T301] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 25.661638][ T28] audit: type=1400 audit(1732983138.715:71): avc: denied { mount } for pid=301 comm="syz-executor147" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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)
[ 25.683304][ T28] audit: type=1400 audit(1732983138.715:72): avc: denied { write } for pid=301 comm="syz-executor147" name="file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
[ 25.684147][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 25.705527][ T28] audit: type=1400 audit(1732983138.715:73): avc: denied { add_name } for pid=301 comm="syz-executor147" name="net_prio.prioidx" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 304
./strace-static-x86_64: Process 304 attached
[pid 304] set_robust_list(0x555568c7c660, 24) = 0
[pid 304] chdir("./1") = 0
[pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 304] setpgid(0, 0) = 0
[pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 304] write(3, "1000", 4) = 4
[pid 304] close(3) = 0
[pid 304] symlink("/dev/binderfs", "./binderfs") = 0
[pid 304] write(1, "executing program\n", 18executing program
) = 18
[pid 304] memfd_create("syzkaller", 0) = 3
[pid 304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 304] 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 304] munmap(0x7f0b14b54000, 138412032) = 0
[pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 304] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 304] close(3) = 0
[pid 304] close(4) = 0
[pid 304] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 25.732517][ T28] audit: type=1400 audit(1732983138.715:74): avc: denied { create } for pid=301 comm="syz-executor147" name="net_prio.prioidx" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 25.754245][ T28] audit: type=1400 audit(1732983138.715:75): avc: denied { read append open } for pid=301 comm="syz-executor147" path=2F726F6F742F73797A6B616C6C65722E6659514A4F762F302FE91F7189591E9233614B2F66696C65302F6E65745F7072696F2E7072696F696478 dev="loop0" ino=15 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1
[ 25.765873][ T304] loop0: detected capacity change from 0 to 512
[pid 304] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 304] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 304] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 304] ioctl(4, LOOP_CLR_FD) = 0
[pid 304] close(4) = 0
[pid 304] chdir("./file0") = 0
[pid 304] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 304] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 304] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 304] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[ 25.796385][ T304] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 25.810297][ T304] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 25.822939][ T304] EXT4-fs (loop0): 1 orphan inode deleted
[ 25.828782][ T304] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 25.842003][ T304] ==================================================================
[ 25.849876][ T304] BUG: KASAN: use-after-free in ext4_insert_dentry+0x389/0x720
[ 25.857256][ T304] Write of size 250 at addr ffff888126e61f18 by task syz-executor147/304
[ 25.865497][ T304]
[ 25.867675][ T304] CPU: 1 PID: 304 Comm: syz-executor147 Not tainted 6.1.115-syzkaller-00041-ga887a44ace2a #0
[ 25.877653][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 25.887542][ T304] Call Trace:
[ 25.890679][ T304]
[ 25.893444][ T304] dump_stack_lvl+0x151/0x1b7
[ 25.897966][ T304] ? nf_tcp_handle_invalid+0x3f1/0x3f1
[ 25.903250][ T304] ? _printk+0xd1/0x111
[ 25.907243][ T304] ? __virt_addr_valid+0x242/0x2f0
[ 25.912191][ T304] print_report+0x158/0x4e0
[ 25.916535][ T304] ? __virt_addr_valid+0x242/0x2f0
[ 25.921478][ T304] ? kasan_addr_to_slab+0xd/0x80
[ 25.926252][ T304] ? ext4_insert_dentry+0x389/0x720
[ 25.931284][ T304] kasan_report+0x13c/0x170
[ 25.935625][ T304] ? ext4_insert_dentry+0x389/0x720
[ 25.940661][ T304] kasan_check_range+0x294/0x2a0
[ 25.945432][ T304] ? ext4_insert_dentry+0x389/0x720
[ 25.950466][ T304] memcpy+0x44/0x70
[ 25.954200][ T304] ext4_insert_dentry+0x389/0x720
[ 25.959059][ T304] add_dirent_to_buf+0x38c/0x780
[ 25.963842][ T304] ? ext4_dx_add_entry+0x1620/0x1620
[ 25.968961][ T304] ? ext4_handle_dirty_dx_node+0x41c/0x580
[ 25.974603][ T304] make_indexed_dir+0xf29/0x1590
[ 25.979372][ T304] ? add_dirent_to_buf+0x780/0x780
[ 25.984316][ T304] ? add_dirent_to_buf+0x558/0x780
[ 25.989269][ T304] ? ext4_dx_add_entry+0x1620/0x1620
[ 25.994385][ T304] ? __kasan_check_read+0x11/0x20
[ 25.999246][ T304] ? __ext4_read_dirblock+0x56f/0x8e0
[ 26.004453][ T304] ext4_add_entry+0xbbf/0xed0
[ 26.008965][ T304] ? ext4_inc_count+0x190/0x190
[ 26.013651][ T304] ? ext4_init_new_dir+0x515/0x620
[ 26.018602][ T304] ? ext4_init_dot_dotdot+0x5d0/0x5d0
[ 26.023815][ T304] ext4_mkdir+0x54f/0xce0
[ 26.027975][ T304] ? ext4_symlink+0xc10/0xc10
[ 26.032511][ T304] ? selinux_inode_mkdir+0x22/0x30
[ 26.037435][ T304] ? security_inode_mkdir+0xbc/0x100
[ 26.042556][ T304] vfs_mkdir+0x398/0x570
[ 26.046635][ T304] do_mkdirat+0x1eb/0x450
[ 26.050801][ T304] ? vfs_mkdir+0x570/0x570
[ 26.055050][ T304] ? getname_flags+0x1fd/0x520
[ 26.059652][ T304] __x64_sys_mkdirat+0x89/0xa0
[ 26.064251][ T304] x64_sys_call+0x6c6/0x9a0
[ 26.068594][ T304] do_syscall_64+0x3b/0xb0
[ 26.072843][ T304] ? clear_bhb_loop+0x55/0xb0
[ 26.077359][ T304] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 26.083086][ T304] RIP: 0033:0x7f0b1cf93229
[ 26.087339][ T304] 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
[ 26.106785][ T304] RSP: 002b:00007ffd53ecc418 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
[ 26.115027][ T304] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f0b1cf93229
[ 26.122840][ T304] RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 00000000ffffff9c
[ 26.130651][ T304] RBP: 0000000000000000 R08: 00007ffd53ecc450 R09: 00007ffd53ecc450
[ 26.138475][ T304] R10: 00007ffd53ecc450 R11: 0000000000000246 R12: 00007ffd53ecc43c
[ 26.146272][ T304] R13: 0000000000000001 R14: 431bde82d7b634db R15: 00007ffd53ecc470
[ 26.154093][ T304]
[ 26.156952][ T304]
[ 26.159123][ T304] The buggy address belongs to the physical page:
[ 26.165371][ T304] page:ffffea00049b9840 refcount:3 mapcount:0 mapping:ffff88810bd714d0 index:0x3f pfn:0x126e61
[ 26.175527][ T304] memcg:ffff888100332000
[ 26.179603][ T304] aops:def_blk_aops ino:700000
[ 26.184200][ T304] flags: 0x420000000000204a(referenced|dirty|workingset|private|zone=1)
[ 26.192366][ T304] raw: 420000000000204a 0000000000000000 dead000000000122 ffff88810bd714d0
[ 26.200784][ T304] raw: 000000000000003f ffff888123a97540 00000003ffffffff ffff888100332000
[ 26.209199][ T304] page dumped because: kasan: bad access detected
[ 26.215453][ T304] page_owner tracks the page as allocated
[ 26.221002][ T304] page last allocated via order 0, migratetype Movable, gfp_mask 0x148c48(GFP_NOFS|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE), pid 304, tgid 304 (syz-executor147), ts 25841549198, free_ts 19952724850
[ 26.241228][ T304] post_alloc_hook+0x213/0x220
[ 26.245825][ T304] prep_new_page+0x1b/0x110
[ 26.250164][ T304] get_page_from_freelist+0x2980/0x2a10
[ 26.255544][ T304] __alloc_pages+0x234/0x610
[ 26.259971][ T304] __folio_alloc+0x15/0x40
[ 26.264224][ T304] __filemap_get_folio+0x827/0xae0
[ 26.269172][ T304] pagecache_get_page+0x2f/0x110
[ 26.273944][ T304] __getblk_gfp+0x205/0x7d0
[ 26.278286][ T304] ext4_getblk+0x2a7/0x7b0
[ 26.282541][ T304] ext4_bread+0x2f/0x180
[ 26.286618][ T304] ext4_append+0x31f/0x5b0
[ 26.290872][ T304] make_indexed_dir+0x518/0x1590
[ 26.295645][ T304] ext4_add_entry+0xbbf/0xed0
[ 26.300157][ T304] ext4_mkdir+0x54f/0xce0
[ 26.304323][ T304] vfs_mkdir+0x398/0x570
[ 26.308403][ T304] do_mkdirat+0x1eb/0x450
[ 26.312571][ T304] page last free stack trace:
[ 26.317082][ T304] free_unref_page_prepare+0x83d/0x850
[ 26.322378][ T304] free_unref_page_list+0xf1/0x7b0
[ 26.327325][ T304] release_pages+0xf7f/0xfe0
[ 26.331750][ T304] free_pages_and_swap_cache+0x8a/0xa0
[ 26.337045][ T304] tlb_finish_mmu+0x1e0/0x3f0
[ 26.341558][ T304] unmap_region+0x2c1/0x310
[ 26.345898][ T304] do_mas_align_munmap+0xd05/0x1400
[ 26.350932][ T304] do_mas_munmap+0x23e/0x2b0
[ 26.355358][ T304] __vm_munmap+0x263/0x3a0
[ 26.359612][ T304] __x64_sys_munmap+0x6b/0x80
[ 26.364124][ T304] x64_sys_call+0x75/0x9a0
[ 26.368380][ T304] do_syscall_64+0x3b/0xb0
[ 26.372632][ T304] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 26.378362][ T304]
[ 26.380532][ T304] Memory state around the buggy address:
[ 26.386002][ T304] ffff888126e61f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[pid 304] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 304] exit_group(0) = ?
[pid 304] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=6} ---
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, 0x555568c7d6f0 /* 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
[ 26.393899][ T304] ffff888126e61f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 26.401804][ T304] >ffff888126e62000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 26.409693][ T304] ^
[ 26.413600][ T304] ffff888126e62080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 26.421499][ T304] ffff888126e62100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 26.429433][ T304] ==================================================================
[ 26.437535][ T304] Disabling lock debugging due to kernel taint
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./1") = 0
mkdir("./2", 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=0x555568c7c650) = 307
./strace-static-x86_64: Process 307 attached
[pid 307] set_robust_list(0x555568c7c660, 24) = 0
[pid 307] chdir("./2") = 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"executing program
) = 0
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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
[ 26.457423][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 26.472064][ T307] loop0: detected capacity change from 0 to 512
[ 26.482059][ T307] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 307] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 307] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 310
./strace-static-x86_64: Process 310 attached
[pid 310] set_robust_list(0x555568c7c660, 24) = 0
[pid 310] chdir("./3") = 0
[pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 310] setpgid(0, 0) = 0
[pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 310] write(3, "1000", 4) = 4
[pid 310] close(3) = 0
[pid 310] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 310] write(1, "executing program\n", 18) = 18
[pid 310] memfd_create("syzkaller", 0) = 3
[pid 310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 310] 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 310] munmap(0x7f0b14b54000, 138412032) = 0
[pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 26.496174][ T307] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 26.509020][ T307] EXT4-fs (loop0): 1 orphan inode deleted
[ 26.514543][ T307] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 26.539721][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 310] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 310] close(3) = 0
[pid 310] close(4) = 0
[pid 310] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 310] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 310] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 310] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 310] ioctl(4, LOOP_CLR_FD) = 0
[pid 310] close(4) = 0
[pid 310] chdir("./file0") = 0
[pid 310] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 310] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 310] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 310] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 310] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 310] exit_group(0) = ?
[pid 310] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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
[ 26.556336][ T310] loop0: detected capacity change from 0 to 512
[ 26.566005][ T310] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 26.579993][ T310] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 26.592839][ T310] EXT4-fs (loop0): 1 orphan inode deleted
[ 26.598451][ T310] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 312
./strace-static-x86_64: Process 312 attached
[pid 312] set_robust_list(0x555568c7c660, 24) = 0
[pid 312] chdir("./4") = 0
[pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 312] setpgid(0, 0) = 0
[pid 312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 312] write(3, "1000", 4) = 4
[pid 312] close(3) = 0
[pid 312] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 312] write(1, "executing program\n", 18) = 18
[pid 312] memfd_create("syzkaller", 0) = 3
[pid 312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 312] 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 312] munmap(0x7f0b14b54000, 138412032) = 0
[pid 312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 312] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 312] close(3) = 0
[pid 312] close(4) = 0
[pid 312] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 26.615622][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 26.631348][ T312] loop0: detected capacity change from 0 to 512
[ 26.640178][ T312] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 312] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 312] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 312] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 312] ioctl(4, LOOP_CLR_FD) = 0
[pid 312] close(4) = 0
[pid 312] chdir("./file0") = 0
[pid 312] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 312] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 312] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 312] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 312] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 312] exit_group(0) = ?
[pid 312] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=312, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x34\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555568c7d6f0 /* 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=0x555568c7c650) = 314
./strace-static-x86_64: Process 314 attached
[pid 314] set_robust_list(0x555568c7c660, 24) = 0
[pid 314] chdir("./5") = 0
[pid 314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 314] setpgid(0, 0) = 0
[pid 314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 314] write(3, "1000", 4) = 4
[pid 314] close(3) = 0
[pid 314] symlink("/dev/binderfs", "./binderfs") = 0
[pid 314] write(1, "executing program\n", 18executing program
) = 18
[pid 314] memfd_create("syzkaller", 0) = 3
[pid 314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 314] 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 314] munmap(0x7f0b14b54000, 138412032) = 0
[pid 314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 26.654184][ T312] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 26.667314][ T312] EXT4-fs (loop0): 1 orphan inode deleted
[ 26.672855][ T312] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 26.700232][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 314] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 314] close(3) = 0
[pid 314] close(4) = 0
[pid 314] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 314] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 314] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 314] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 314] ioctl(4, LOOP_CLR_FD) = 0
[pid 314] close(4) = 0
[pid 314] chdir("./file0") = 0
[pid 314] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 314] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 314] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 314] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 314] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 314] exit_group(0) = ?
[pid 314] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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
[ 26.719998][ T314] loop0: detected capacity change from 0 to 512
[ 26.729402][ T314] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 26.743397][ T314] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 26.756044][ T314] EXT4-fs (loop0): 1 orphan inode deleted
[ 26.761611][ T314] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 316
./strace-static-x86_64: Process 316 attached
[pid 316] set_robust_list(0x555568c7c660, 24) = 0
[pid 316] chdir("./6") = 0
[pid 316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 316] setpgid(0, 0) = 0
[pid 316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 316] write(3, "1000", 4) = 4
[pid 316] close(3) = 0
[pid 316] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 316] write(1, "executing program\n", 18) = 18
[pid 316] memfd_create("syzkaller", 0) = 3
[pid 316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 316] 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 316] munmap(0x7f0b14b54000, 138412032) = 0
[pid 316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 316] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 316] close(3) = 0
[pid 316] close(4) = 0
[pid 316] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 26.786259][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 26.804797][ T316] loop0: detected capacity change from 0 to 512
[ 26.813676][ T316] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 316] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 316] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 316] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 316] ioctl(4, LOOP_CLR_FD) = 0
[pid 316] close(4) = 0
[pid 316] chdir("./file0") = 0
[pid 316] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 316] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 316] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 316] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 316] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 316] exit_group(0) = ?
[pid 316] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=316, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 318
./strace-static-x86_64: Process 318 attached
[pid 318] set_robust_list(0x555568c7c660, 24) = 0
[pid 318] chdir("./7") = 0
[pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 318] setpgid(0, 0) = 0
[pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 318] write(3, "1000", 4) = 4
[pid 318] close(3) = 0
[pid 318] symlink("/dev/binderfs", "./binderfs") = 0
[pid 318] write(1, "executing program\n", 18executing program
) = 18
[pid 318] memfd_create("syzkaller", 0) = 3
[pid 318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 318] 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 318] munmap(0x7f0b14b54000, 138412032) = 0
[pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 26.827555][ T316] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 26.840350][ T316] EXT4-fs (loop0): 1 orphan inode deleted
[ 26.845871][ T316] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 26.872368][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 318] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 318] close(3) = 0
[pid 318] close(4) = 0
[pid 318] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 318] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 318] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 318] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 318] ioctl(4, LOOP_CLR_FD) = 0
[pid 318] close(4) = 0
[pid 318] chdir("./file0") = 0
[pid 318] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 318] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 318] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 318] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 318] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 318] exit_group(0) = ?
[pid 318] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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
[ 26.887840][ T318] loop0: detected capacity change from 0 to 512
[ 26.896682][ T318] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 26.910685][ T318] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 26.923315][ T318] EXT4-fs (loop0): 1 orphan inode deleted
[ 26.928906][ T318] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 320
./strace-static-x86_64: Process 320 attached
[pid 320] set_robust_list(0x555568c7c660, 24) = 0
[pid 320] chdir("./8") = 0
[pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 320] setpgid(0, 0) = 0
[pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 320] write(3, "1000", 4) = 4
[pid 320] close(3) = 0
[pid 320] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 320] write(1, "executing program\n", 18) = 18
[pid 320] memfd_create("syzkaller", 0) = 3
[pid 320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 320] 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 320] munmap(0x7f0b14b54000, 138412032) = 0
[pid 320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 320] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 320] close(3) = 0
[pid 320] close(4) = 0
[pid 320] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 26.953391][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 26.967979][ T320] loop0: detected capacity change from 0 to 512
[ 26.977360][ T320] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 320] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 320] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 320] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 320] ioctl(4, LOOP_CLR_FD) = 0
[pid 320] close(4) = 0
[pid 320] chdir("./file0") = 0
[pid 320] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 320] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 320] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 320] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 320] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 320] exit_group(0) = ?
[pid 320] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=320, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 322
./strace-static-x86_64: Process 322 attached
[pid 322] set_robust_list(0x555568c7c660, 24) = 0
[pid 322] chdir("./9") = 0
[pid 322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 322] setpgid(0, 0) = 0
[pid 322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 322] write(3, "1000", 4) = 4
[pid 322] close(3) = 0
[pid 322] symlink("/dev/binderfs", "./binderfs") = 0
[pid 322] write(1, "executing program\n", 18) = 18
[pid 322] memfd_create("syzkaller", 0) = 3
[pid 322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 322] 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 322] munmap(0x7f0b14b54000, 138412032) = 0
[pid 322] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 26.991332][ T320] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.004011][ T320] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.009602][ T320] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.035501][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 322] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 322] close(3) = 0
[pid 322] close(4) = 0
[pid 322] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 322] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 322] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 322] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 322] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 322] ioctl(4, LOOP_CLR_FD) = 0
[pid 322] close(4) = 0
[pid 322] chdir("./file0") = 0
[pid 322] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 322] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 322] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 322] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 322] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 322] exit_group(0) = ?
[pid 322] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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
[ 27.052765][ T322] loop0: detected capacity change from 0 to 512
[ 27.062272][ T322] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 27.076225][ T322] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.088905][ T322] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.094425][ T322] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLD, child_tidptr=0x555568c7c650) = 324
./strace-static-x86_64: Process 324 attached
[pid 324] set_robust_list(0x555568c7c660, 24) = 0
[pid 324] chdir("./10") = 0
[pid 324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 324] setpgid(0, 0) = 0
[pid 324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 324] write(3, "1000", 4) = 4
[pid 324] close(3) = 0
[pid 324] symlink("/dev/binderfs", "./binderfs") = 0
[pid 324] write(1, "executing program\n", 18executing program
) = 18
[pid 324] memfd_create("syzkaller", 0) = 3
[pid 324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 324] 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 324] munmap(0x7f0b14b54000, 138412032) = 0
[pid 324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 324] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 324] close(3) = 0
[pid 324] close(4) = 0
[pid 324] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 27.115831][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 27.135460][ T324] loop0: detected capacity change from 0 to 512
[ 27.144845][ T324] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 324] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 324] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 324] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 324] ioctl(4, LOOP_CLR_FD) = 0
[pid 324] close(4) = 0
[pid 324] chdir("./file0") = 0
[pid 324] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 324] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 324] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 324] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 324] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 324] exit_group(0) = ?
[pid 324] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=324, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 326
./strace-static-x86_64: Process 326 attached
[pid 326] set_robust_list(0x555568c7c660, 24) = 0
[pid 326] chdir("./11") = 0
[pid 326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 326] setpgid(0, 0) = 0
[pid 326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 326] write(3, "1000", 4) = 4
[pid 326] close(3) = 0
[pid 326] symlink("/dev/binderfs", "./binderfs") = 0
[pid 326] write(1, "executing program\n", 18executing program
) = 18
[pid 326] memfd_create("syzkaller", 0) = 3
[pid 326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 326] 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 326] munmap(0x7f0b14b54000, 138412032) = 0
[pid 326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 27.158875][ T324] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.171657][ T324] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.177480][ T324] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.204704][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 326] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 326] close(3) = 0
[pid 326] close(4) = 0
[pid 326] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 27.227945][ T326] loop0: detected capacity change from 0 to 512
[ 27.237990][ T326] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 27.251926][ T326] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.264588][ T326] EXT4-fs (loop0): 1 orphan inode deleted
[pid 326] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 326] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 326] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 326] ioctl(4, LOOP_CLR_FD) = 0
[pid 326] close(4) = 0
[pid 326] chdir("./file0") = 0
[pid 326] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 326] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 326] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 326] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 326] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 326] exit_group(0) = ?
[pid 326] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 328
./strace-static-x86_64: Process 328 attached
[pid 328] set_robust_list(0x555568c7c660, 24) = 0
[pid 328] chdir("./12") = 0
[pid 328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 328] setpgid(0, 0) = 0
[pid 328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 328] write(3, "1000", 4) = 4
[pid 328] close(3) = 0
[pid 328] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 328] write(1, "executing program\n", 18) = 18
[pid 328] memfd_create("syzkaller", 0) = 3
[pid 328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 328] 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 328] munmap(0x7f0b14b54000, 138412032) = 0
[pid 328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 328] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 328] close(3) = 0
[pid 328] close(4) = 0
[pid 328] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 27.270279][ T326] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.292168][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 27.307550][ T328] loop0: detected capacity change from 0 to 512
[pid 328] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 328] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 328] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 328] ioctl(4, LOOP_CLR_FD) = 0
[pid 328] close(4) = 0
[pid 328] chdir("./file0") = 0
[pid 328] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 328] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 328] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 328] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 328] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 328] exit_group(0) = ?
[pid 328] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=328, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 330
./strace-static-x86_64: Process 330 attached
[pid 330] set_robust_list(0x555568c7c660, 24) = 0
[pid 330] chdir("./13") = 0
[pid 330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 330] setpgid(0, 0) = 0
[pid 330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 330] write(3, "1000", 4) = 4
[pid 330] close(3) = 0
[pid 330] symlink("/dev/binderfs", "./binderfs") = 0
[pid 330] write(1, "executing program\n", 18) = 18
[pid 330] memfd_create("syzkaller", 0) = 3
[pid 330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 330] 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 330] munmap(0x7f0b14b54000, 138412032) = 0
[ 27.317869][ T328] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 27.331897][ T328] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.344589][ T328] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.350386][ T328] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.371763][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 330] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 330] close(3) = 0
[pid 330] close(4) = 0
[pid 330] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 27.387107][ T330] loop0: detected capacity change from 0 to 512
[ 27.397174][ T330] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 27.411046][ T330] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.424222][ T330] EXT4-fs (loop0): 1 orphan inode deleted
[pid 330] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 330] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 330] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 330] ioctl(4, LOOP_CLR_FD) = 0
[pid 330] close(4) = 0
[pid 330] chdir("./file0") = 0
[pid 330] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 330] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 330] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 330] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 330] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 330] exit_group(0) = ?
[pid 330] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, 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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 332
./strace-static-x86_64: Process 332 attached
[pid 332] set_robust_list(0x555568c7c660, 24) = 0
[pid 332] chdir("./14") = 0
[pid 332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 332] setpgid(0, 0) = 0
[pid 332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 332] write(3, "1000", 4) = 4
[pid 332] close(3) = 0
[pid 332] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 332] write(1, "executing program\n", 18) = 18
[pid 332] memfd_create("syzkaller", 0) = 3
[pid 332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 332] 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 332] munmap(0x7f0b14b54000, 138412032) = 0
[pid 332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 332] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 332] close(3) = 0
[pid 332] close(4) = 0
[pid 332] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 27.429788][ T330] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.446450][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 27.461271][ T332] loop0: detected capacity change from 0 to 512
[ 27.470067][ T332] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 332] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 332] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 332] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 332] ioctl(4, LOOP_CLR_FD) = 0
[pid 332] close(4) = 0
[pid 332] chdir("./file0") = 0
[pid 332] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 332] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 332] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 332] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 332] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 332] exit_group(0) = ?
[pid 332] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=332, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLD, child_tidptr=0x555568c7c650) = 335
./strace-static-x86_64: Process 335 attached
[pid 335] set_robust_list(0x555568c7c660, 24) = 0
[pid 335] chdir("./15") = 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") = 0
executing program
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 27.484085][ T332] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.496903][ T332] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.502438][ T332] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.520052][ T299] 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
[pid 335] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[ 27.539838][ T335] loop0: detected capacity change from 0 to 512
[ 27.549748][ T335] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 27.563585][ T335] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.576431][ T335] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.582021][ T335] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 335] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 337
./strace-static-x86_64: Process 337 attached
[pid 337] set_robust_list(0x555568c7c660, 24) = 0
[pid 337] chdir("./16") = 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
executing program
[pid 337] write(1, "executing program\n", 18) = 18
[pid 337] memfd_create("syzkaller", 0) = 3
[pid 337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 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
[pid 337] close(4) = 0
[pid 337] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 27.603012][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 27.625036][ T337] loop0: detected capacity change from 0 to 512
[ 27.634240][ T337] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 337] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 337] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 339
./strace-static-x86_64: Process 339 attached
[pid 339] set_robust_list(0x555568c7c660, 24) = 0
[pid 339] chdir("./17") = 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_CLOEXECexecuting program
) = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 27.648113][ T337] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.661035][ T337] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.666567][ T337] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.683934][ T299] 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
[pid 339] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 339] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=5} ---
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, 0x555568c7d6f0 /* 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
[ 27.701190][ T339] loop0: detected capacity change from 0 to 512
[ 27.710157][ T339] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 27.724118][ T339] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.736989][ T339] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.742513][ T339] 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLD, child_tidptr=0x555568c7c650) = 341
./strace-static-x86_64: Process 341 attached
[pid 341] set_robust_list(0x555568c7c660, 24) = 0
[pid 341] chdir("./18") = 0
[pid 341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 341] setpgid(0, 0) = 0
[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", 18executing program
) = 18
[pid 341] memfd_create("syzkaller", 0) = 3
[pid 341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 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
[ 27.759146][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 27.780726][ T341] loop0: detected capacity change from 0 to 512
[ 27.790021][ T341] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 341] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 341] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=4} ---
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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 343
./strace-static-x86_64: Process 343 attached
[pid 343] set_robust_list(0x555568c7c660, 24) = 0
[pid 343] chdir("./19") = 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", 18) = 18
[pid 343] memfd_create("syzkaller", 0) = 3
[pid 343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 27.803958][ T341] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.816623][ T341] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.822203][ T341] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 27.841258][ T299] EXT4-fs (loop0): unmounting filesystem.
[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
[pid 343] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 343] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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
[ 27.859871][ T343] loop0: detected capacity change from 0 to 512
[ 27.868885][ T343] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 27.882847][ T343] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.895633][ T343] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.901371][ T343] 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 345
./strace-static-x86_64: Process 345 attached
[pid 345] set_robust_list(0x555568c7c660, 24) = 0
[pid 345] chdir("./20") = 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", 18) = 18
[pid 345] memfd_create("syzkaller", 0) = 3
[pid 345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 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
[ 27.927605][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 27.947451][ T345] loop0: detected capacity change from 0 to 512
[ 27.956848][ T345] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 345] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 345] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=4} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 347
./strace-static-x86_64: Process 347 attached
[pid 347] set_robust_list(0x555568c7c660, 24) = 0
[pid 347] chdir("./21") = 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") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 27.970873][ T345] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 27.983619][ T345] EXT4-fs (loop0): 1 orphan inode deleted
[ 27.989191][ T345] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 28.017087][ T299] 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
[pid 347] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 347] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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
[ 28.035386][ T347] loop0: detected capacity change from 0 to 512
[ 28.045058][ T347] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.058974][ T347] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.071722][ T347] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.077274][ T347] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
umount2("\x2e\x2f\x32\x31\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program
) = 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 349
./strace-static-x86_64: Process 349 attached
[pid 349] set_robust_list(0x555568c7c660, 24) = 0
[pid 349] chdir("./22") = 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
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 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
[ 28.102305][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.117010][ T349] loop0: detected capacity change from 0 to 512
[ 28.126024][ T349] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.139951][ T349] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[pid 349] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 349] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 351
./strace-static-x86_64: Process 351 attached
[pid 351] set_robust_list(0x555568c7c660, 24) = 0
[pid 351] chdir("./23") = 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
executing program
[pid 351] write(1, "executing program\n", 18) = 18
[pid 351] memfd_create("syzkaller", 0) = 3
[pid 351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 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
[ 28.152685][ T349] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.158242][ T349] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 28.176391][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.194108][ T351] loop0: detected capacity change from 0 to 512
[pid 351] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 351] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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
[ 28.203472][ T351] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.217430][ T351] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.230246][ T351] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.235785][ T351] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 353
./strace-static-x86_64: Process 353 attached
[pid 353] set_robust_list(0x555568c7c660, 24) = 0
[pid 353] chdir("./24") = 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
[pid 353] write(1, "executing program\n", 18executing program
) = 18
[pid 353] memfd_create("syzkaller", 0) = 3
[pid 353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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
[ 28.263416][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.284915][ T353] loop0: detected capacity change from 0 to 512
[ 28.293606][ T353] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 353] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 353] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 355
./strace-static-x86_64: Process 355 attached
[pid 355] set_robust_list(0x555568c7c660, 24) = 0
[pid 355] chdir("./25") = 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"executing program
) = 0
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 28.307444][ T353] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.320410][ T353] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.325942][ T353] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 28.345479][ T299] EXT4-fs (loop0): unmounting filesystem.
[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
[pid 355] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 355] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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
[ 28.361669][ T355] loop0: detected capacity change from 0 to 512
[ 28.371515][ T355] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.385405][ T355] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.398204][ T355] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.403742][ T355] 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 357
./strace-static-x86_64: Process 357 attached
[pid 357] set_robust_list(0x555568c7c660, 24) = 0
[pid 357] chdir("./26") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 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
[ 28.425049][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.439555][ T357] loop0: detected capacity change from 0 to 512
[ 28.448963][ T357] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.462922][ T357] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[pid 357] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 357] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 360
./strace-static-x86_64: Process 360 attached
[pid 360] set_robust_list(0x555568c7c660, 24) = 0
[pid 360] chdir("./27") = 0
[pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 360] setpgid(0, 0) = 0
[pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 360] write(3, "1000", 4) = 4
[pid 360] close(3) = 0
[pid 360] symlink("/dev/binderfs", "./binderfs") = 0
[pid 360] write(1, "executing program\n", 18executing program
) = 18
[pid 360] memfd_create("syzkaller", 0) = 3
[pid 360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 360] 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 360] munmap(0x7f0b14b54000, 138412032) = 0
[pid 360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 28.475825][ T357] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.481404][ T357] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 28.501610][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 360] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 360] close(3) = 0
[pid 360] close(4) = 0
[pid 360] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 360] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 360] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 360] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 360] ioctl(4, LOOP_CLR_FD) = 0
[pid 360] close(4) = 0
[pid 360] chdir("./file0") = 0
[pid 360] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 360] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 360] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 360] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 360] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 360] exit_group(0) = ?
[pid 360] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, 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, 0x555568c7d6f0 /* 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
[ 28.523313][ T360] loop0: detected capacity change from 0 to 512
[ 28.533060][ T360] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.547157][ T360] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.559988][ T360] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.565513][ T360] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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./strace-static-x86_64: Process 362 attached
, child_tidptr=0x555568c7c650) = 362
[pid 362] set_robust_list(0x555568c7c660, 24) = 0
[pid 362] chdir("./28") = 0
[pid 362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 362] setpgid(0, 0) = 0
[pid 362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 362] write(3, "1000", 4) = 4
[pid 362] close(3) = 0
[pid 362] symlink("/dev/binderfs", "./binderfs") = 0
[pid 362] write(1, "executing program\n", 18executing program
) = 18
[pid 362] memfd_create("syzkaller", 0) = 3
[pid 362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 362] 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 362] munmap(0x7f0b14b54000, 138412032) = 0
[pid 362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 362] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 362] close(3) = 0
[pid 362] close(4) = 0
[pid 362] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 28.592416][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.609499][ T362] loop0: detected capacity change from 0 to 512
[ 28.618707][ T362] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 362] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 362] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 362] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 362] ioctl(4, LOOP_CLR_FD) = 0
[pid 362] close(4) = 0
[pid 362] chdir("./file0") = 0
[pid 362] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 362] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 362] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 362] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 362] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 362] exit_group(0) = ?
[pid 362] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 364
./strace-static-x86_64: Process 364 attached
[pid 364] set_robust_list(0x555568c7c660, 24) = 0
[pid 364] chdir("./29") = 0
[pid 364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 364] setpgid(0, 0) = 0
[pid 364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 364] write(3, "1000", 4) = 4
[pid 364] close(3) = 0
[pid 364] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 364] write(1, "executing program\n", 18) = 18
[pid 364] memfd_create("syzkaller", 0) = 3
[pid 364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 364] 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 364] munmap(0x7f0b14b54000, 138412032) = 0
[pid 364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 364] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 364] close(3) = 0
[pid 364] close(4) = 0
[pid 364] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 28.632640][ T362] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.645615][ T362] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.651261][ T362] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 28.668184][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.682518][ T364] loop0: detected capacity change from 0 to 512
[pid 364] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 364] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 364] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 364] ioctl(4, LOOP_CLR_FD) = 0
[pid 364] close(4) = 0
[pid 364] chdir("./file0") = 0
[pid 364] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 364] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 364] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 364] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 364] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 364] exit_group(0) = ?
[pid 364] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=364, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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
[ 28.691477][ T364] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.705619][ T364] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.718529][ T364] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.724067][ T364] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 366
./strace-static-x86_64: Process 366 attached
[pid 366] set_robust_list(0x555568c7c660, 24) = 0
[pid 366] chdir("./30") = 0
[pid 366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 366] setpgid(0, 0) = 0
[pid 366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 366] write(3, "1000", 4) = 4
[pid 366] close(3) = 0
[pid 366] symlink("/dev/binderfs", "./binderfs") = 0
[pid 366] write(1, "executing program\n", 18) = 18
[pid 366] memfd_create("syzkaller", 0) = 3
[pid 366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 366] 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 366] munmap(0x7f0b14b54000, 138412032) = 0
[pid 366] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 366] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 366] close(3) = 0
[pid 366] close(4) = 0
[pid 366] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 28.741446][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.760118][ T366] loop0: detected capacity change from 0 to 512
[ 28.769124][ T366] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 366] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 366] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 366] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 366] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 366] ioctl(4, LOOP_CLR_FD) = 0
[pid 366] close(4) = 0
[pid 366] chdir("./file0") = 0
[pid 366] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 366] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 366] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 366] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 366] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 366] exit_group(0) = ?
[pid 366] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 368
./strace-static-x86_64: Process 368 attached
[pid 368] set_robust_list(0x555568c7c660, 24) = 0
[pid 368] chdir("./31") = 0
[pid 368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 368] setpgid(0, 0) = 0
executing program
[pid 368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 368] write(3, "1000", 4) = 4
[pid 368] close(3) = 0
[pid 368] symlink("/dev/binderfs", "./binderfs") = 0
[pid 368] write(1, "executing program\n", 18) = 18
[pid 368] memfd_create("syzkaller", 0) = 3
[pid 368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 368] 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 368] munmap(0x7f0b14b54000, 138412032) = 0
[pid 368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 368] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 368] close(3) = 0
[pid 368] close(4) = 0
[pid 368] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 28.782994][ T366] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.796009][ T366] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.801734][ T366] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 28.816295][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 28.830671][ T368] loop0: detected capacity change from 0 to 512
[pid 368] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 368] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 368] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 368] ioctl(4, LOOP_CLR_FD) = 0
[pid 368] close(4) = 0
[pid 368] chdir("./file0") = 0
[pid 368] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 368] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 368] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 368] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 368] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 368] exit_group(0) = ?
[pid 368] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=368, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
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, 0x555568c7d6f0 /* 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
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 370
./strace-static-x86_64: Process 370 attached
[pid 370] set_robust_list(0x555568c7c660, 24) = 0
[pid 370] chdir("./32") = 0
[pid 370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 370] setpgid(0, 0) = 0
[pid 370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 370] write(3, "1000", 4) = 4
[pid 370] close(3) = 0
[pid 370] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 370] write(1, "executing program\n", 18) = 18
[pid 370] memfd_create("syzkaller", 0) = 3
[pid 370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 370] 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 370] munmap(0x7f0b14b54000, 138412032) = 0
[pid 370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 28.839619][ T368] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.853642][ T368] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.866489][ T368] EXT4-fs (loop0): 1 orphan inode deleted
[ 28.872088][ T368] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[pid 370] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 370] close(3) = 0
[pid 370] close(4) = 0
[pid 370] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 370] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 370] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 370] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 370] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 370] ioctl(4, LOOP_CLR_FD) = 0
[pid 370] close(4) = 0
[pid 370] chdir("./file0") = 0
[pid 370] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 370] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 370] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 370] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 370] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 370] exit_group(0) = ?
[pid 370] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 0 entries */, 32768) = 0
close(4) = 0
rmdir("\x2e\x2f\x33\x32\x2f\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
getdents64(3, 0x555568c7d6f0 /* 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=0x555568c7c650) = 372
./strace-static-x86_64: Process 372 attached
[pid 372] set_robust_list(0x555568c7c660, 24) = 0
[pid 372] chdir("./33") = 0
[pid 372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 372] setpgid(0, 0) = 0
[pid 372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 372] write(3, "1000", 4) = 4
[pid 372] close(3) = 0
[pid 372] symlink("/dev/binderfs", "./binderfs") = 0
[pid 372] write(1, "executing program\n", 18executing program
) = 18
[pid 372] memfd_create("syzkaller", 0) = 3
[pid 372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 372] 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 372] munmap(0x7f0b14b54000, 138412032) = 0
[pid 372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 28.914948][ T370] loop0: detected capacity change from 0 to 512
[ 28.924330][ T370] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 28.938257][ T370] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 28.951390][ T370] EXT4-fs (loop0): 1 orphan inode deleted
[pid 372] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 372] close(3) = 0
[pid 372] close(4) = 0
[pid 372] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 372] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 372] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 372] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 372] ioctl(4, LOOP_CLR_FD) = 0
[pid 372] close(4) = 0
[pid 372] chdir("./file0") = 0
[pid 372] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 372] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 372] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 372] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 372] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 372] exit_group(0) = ?
[pid 372] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=372, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./33") = 0
mkdir("./34", 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=0x555568c7c650) = 374
./strace-static-x86_64: Process 374 attached
[pid 374] set_robust_list(0x555568c7c660, 24) = 0
[pid 374] chdir("./34") = 0
[pid 374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 374] setpgid(0, 0) = 0
[pid 374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 374] write(3, "1000", 4) = 4
[pid 374] close(3) = 0
[pid 374] symlink("/dev/binderfs", "./binderfs") = 0
[pid 374] write(1, "executing program\n", 18executing program
) = 18
[pid 374] memfd_create("syzkaller", 0) = 3
[pid 374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 374] 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 374] munmap(0x7f0b14b54000, 138412032) = 0
[pid 374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 28.982381][ T372] loop0: detected capacity change from 0 to 512
[ 28.991141][ T372] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.005054][ T372] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.017989][ T372] EXT4-fs (loop0): 1 orphan inode deleted
[pid 374] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 374] close(3) = 0
[pid 374] close(4) = 0
[pid 374] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 374] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 374] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 374] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 374] ioctl(4, LOOP_CLR_FD) = 0
[pid 374] close(4) = 0
[pid 374] chdir("./file0") = 0
[pid 374] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 374] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 374] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 374] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 374] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 374] exit_group(0) = ?
[pid 374] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 376
./strace-static-x86_64: Process 376 attached
[pid 376] set_robust_list(0x555568c7c660, 24) = 0
[pid 376] chdir("./35") = 0
[pid 376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 376] setpgid(0, 0) = 0
[pid 376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 376] write(3, "1000", 4) = 4
[pid 376] close(3) = 0
[pid 376] symlink("/dev/binderfs", "./binderfs") = 0
[pid 376] write(1, "executing program\n", 18executing program
) = 18
[pid 376] memfd_create("syzkaller", 0) = 3
[pid 376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 376] 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 376] munmap(0x7f0b14b54000, 138412032) = 0
[pid 376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.053306][ T374] loop0: detected capacity change from 0 to 512
[ 29.062673][ T374] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.076693][ T374] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.089478][ T374] EXT4-fs (loop0): 1 orphan inode deleted
[pid 376] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 376] close(3) = 0
[pid 376] close(4) = 0
[pid 376] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 376] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 376] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 376] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 376] ioctl(4, LOOP_CLR_FD) = 0
[pid 376] close(4) = 0
[pid 376] chdir("./file0") = 0
[pid 376] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 376] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 376] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 376] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 376] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 376] exit_group(0) = ?
[pid 376] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=376, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./35"executing program
) = 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=0x555568c7c650) = 378
./strace-static-x86_64: Process 378 attached
[pid 378] set_robust_list(0x555568c7c660, 24) = 0
[pid 378] chdir("./36") = 0
[pid 378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 378] setpgid(0, 0) = 0
[pid 378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 378] write(3, "1000", 4) = 4
[pid 378] close(3) = 0
[pid 378] symlink("/dev/binderfs", "./binderfs") = 0
[pid 378] write(1, "executing program\n", 18) = 18
[pid 378] memfd_create("syzkaller", 0) = 3
[pid 378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 378] 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 378] munmap(0x7f0b14b54000, 138412032) = 0
[ 29.127286][ T376] loop0: detected capacity change from 0 to 512
[ 29.136225][ T376] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.150248][ T376] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.163067][ T376] EXT4-fs (loop0): 1 orphan inode deleted
[pid 378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 378] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 378] close(3) = 0
[pid 378] close(4) = 0
[pid 378] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 378] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 378] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 378] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 378] ioctl(4, LOOP_CLR_FD) = 0
[pid 378] close(4) = 0
[pid 378] chdir("./file0") = 0
[pid 378] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 378] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 378] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 378] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 378] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 378] exit_group(0) = ?
[pid 378] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 380
./strace-static-x86_64: Process 380 attached
[pid 380] set_robust_list(0x555568c7c660, 24) = 0
[pid 380] chdir("./37") = 0
[pid 380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 380] setpgid(0, 0) = 0
[pid 380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 380] write(3, "1000", 4) = 4
[pid 380] close(3) = 0
[pid 380] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 380] write(1, "executing program\n", 18) = 18
[pid 380] memfd_create("syzkaller", 0) = 3
[pid 380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 380] 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 380] munmap(0x7f0b14b54000, 138412032) = 0
[pid 380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.192404][ T378] loop0: detected capacity change from 0 to 512
[ 29.201128][ T378] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.215067][ T378] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.227720][ T378] EXT4-fs (loop0): 1 orphan inode deleted
[pid 380] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 380] close(3) = 0
[pid 380] close(4) = 0
[pid 380] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 380] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 380] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 380] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 380] ioctl(4, LOOP_CLR_FD) = 0
[pid 380] close(4) = 0
[pid 380] chdir("./file0") = 0
[pid 380] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 380] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 380] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 380] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 380] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 380] exit_group(0) = ?
[pid 380] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=380, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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./strace-static-x86_64: Process 382 attached
, child_tidptr=0x555568c7c650) = 382
[pid 382] set_robust_list(0x555568c7c660, 24) = 0
[pid 382] chdir("./38") = 0
[pid 382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 382] setpgid(0, 0) = 0
[pid 382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 382] write(3, "1000", 4) = 4
[pid 382] close(3) = 0
[pid 382] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 382] write(1, "executing program\n", 18) = 18
[pid 382] memfd_create("syzkaller", 0) = 3
[pid 382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 382] 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 382] munmap(0x7f0b14b54000, 138412032) = 0
[pid 382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.262109][ T380] loop0: detected capacity change from 0 to 512
[ 29.270805][ T380] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.284793][ T380] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.297448][ T380] EXT4-fs (loop0): 1 orphan inode deleted
[pid 382] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 382] close(3) = 0
[pid 382] close(4) = 0
[pid 382] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 382] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 382] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 382] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 382] ioctl(4, LOOP_CLR_FD) = 0
[pid 382] close(4) = 0
[pid 382] chdir("./file0") = 0
[pid 382] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 382] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 382] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 382] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 382] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 382] exit_group(0) = ?
[pid 382] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 384
./strace-static-x86_64: Process 384 attached
[pid 384] set_robust_list(0x555568c7c660, 24) = 0
[pid 384] chdir("./39") = 0
[pid 384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 384] setpgid(0, 0) = 0
[pid 384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 384] write(3, "1000", 4) = 4
[pid 384] close(3) = 0
[pid 384] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 384] write(1, "executing program\n", 18) = 18
[pid 384] memfd_create("syzkaller", 0) = 3
[pid 384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 384] 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 384] munmap(0x7f0b14b54000, 138412032) = 0
[pid 384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.322557][ T382] loop0: detected capacity change from 0 to 512
[ 29.332335][ T382] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.346583][ T382] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.359268][ T382] EXT4-fs (loop0): 1 orphan inode deleted
[pid 384] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 384] close(3) = 0
[pid 384] close(4) = 0
[pid 384] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 384] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 384] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 384] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 384] ioctl(4, LOOP_CLR_FD) = 0
[pid 384] close(4) = 0
[pid 384] chdir("./file0") = 0
[pid 384] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 384] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 384] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 384] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 384] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 384] exit_group(0) = ?
[pid 384] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=384, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 387
./strace-static-x86_64: Process 387 attached
[pid 387] set_robust_list(0x555568c7c660, 24) = 0
[pid 387] chdir("./40") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[ 29.394555][ T384] loop0: detected capacity change from 0 to 512
[ 29.403826][ T384] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.417891][ T384] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.430722][ T384] 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 387] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 390
./strace-static-x86_64: Process 390 attached
[pid 390] set_robust_list(0x555568c7c660, 24) = 0
[pid 390] chdir("./41") = 0
[pid 390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 390] setpgid(0, 0) = 0
[pid 390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 390] write(3, "1000", 4) = 4
[pid 390] close(3) = 0
[pid 390] symlink("/dev/binderfs", "./binderfs") = 0
[pid 390] write(1, "executing program\n", 18executing program
) = 18
[pid 390] memfd_create("syzkaller", 0) = 3
[pid 390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[ 29.475485][ T387] loop0: detected capacity change from 0 to 512
[ 29.489479][ T387] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.503331][ T387] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.516189][ T387] EXT4-fs (loop0): 1 orphan inode deleted
[pid 390] 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 390] munmap(0x7f0b14b54000, 138412032) = 0
[pid 390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 390] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 390] close(3) = 0
[pid 390] close(4) = 0
[pid 390] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 390] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 390] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 390] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 390] ioctl(4, LOOP_CLR_FD) = 0
[pid 390] close(4) = 0
[pid 390] chdir("./file0") = 0
[pid 390] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 390] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 390] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 390] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 390] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 390] exit_group(0) = ?
[pid 390] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 392
./strace-static-x86_64: Process 392 attached
[pid 392] set_robust_list(0x555568c7c660, 24) = 0
[pid 392] chdir("./42") = 0
[pid 392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 392] setpgid(0, 0) = 0
[pid 392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 392] write(3, "1000", 4) = 4
[pid 392] close(3) = 0
[pid 392] symlink("/dev/binderfs", "./binderfs") = 0
[pid 392] write(1, "executing program\n", 18) = 18
[pid 392] memfd_create("syzkaller", 0) = 3
[pid 392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 392] 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 392] munmap(0x7f0b14b54000, 138412032) = 0
[pid 392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.555861][ T390] loop0: detected capacity change from 0 to 512
[ 29.565208][ T390] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.579179][ T390] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.591952][ T390] EXT4-fs (loop0): 1 orphan inode deleted
[pid 392] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 392] close(3) = 0
[pid 392] close(4) = 0
[pid 392] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 392] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 392] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 392] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 392] ioctl(4, LOOP_CLR_FD) = 0
[pid 392] close(4) = 0
[pid 392] chdir("./file0") = 0
[pid 392] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 392] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 392] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 392] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 392] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 392] exit_group(0) = ?
[pid 392] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=392, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 394
./strace-static-x86_64: Process 394 attached
[pid 394] set_robust_list(0x555568c7c660, 24) = 0
[pid 394] chdir("./43") = 0
[pid 394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 394] setpgid(0, 0) = 0
[pid 394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 394] write(3, "1000", 4) = 4
[pid 394] close(3) = 0
[pid 394] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 394] write(1, "executing program\n", 18) = 18
[pid 394] memfd_create("syzkaller", 0) = 3
[pid 394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 394] 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 394] munmap(0x7f0b14b54000, 138412032) = 0
[pid 394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.625522][ T392] loop0: detected capacity change from 0 to 512
[ 29.634813][ T392] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.648785][ T392] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.661482][ T392] EXT4-fs (loop0): 1 orphan inode deleted
[pid 394] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 394] close(3) = 0
[pid 394] close(4) = 0
[pid 394] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 394] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 394] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 394] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 394] ioctl(4, LOOP_CLR_FD) = 0
[pid 394] close(4) = 0
[pid 394] chdir("./file0") = 0
[pid 394] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 394] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 394] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 394] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 394] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 394] exit_group(0) = ?
[pid 394] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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) = -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=0x555568c7c650) = 396
./strace-static-x86_64: Process 396 attached
[pid 396] set_robust_list(0x555568c7c660, 24) = 0
[pid 396] chdir("./44") = 0
[pid 396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 396] setpgid(0, 0) = 0
[pid 396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 396] write(3, "1000", 4) = 4
[pid 396] close(3) = 0
[pid 396] symlink("/dev/binderfs", "./binderfs") = 0
[pid 396] write(1, "executing program\n", 18) = 18
[pid 396] memfd_create("syzkaller", 0) = 3
[pid 396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 396] 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 396] munmap(0x7f0b14b54000, 138412032) = 0
[pid 396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.693800][ T394] loop0: detected capacity change from 0 to 512
[ 29.703178][ T394] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.717203][ T394] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.730031][ T394] EXT4-fs (loop0): 1 orphan inode deleted
[pid 396] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 396] close(3) = 0
[pid 396] close(4) = 0
[pid 396] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 396] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 396] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 396] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 396] ioctl(4, LOOP_CLR_FD) = 0
[pid 396] close(4) = 0
[pid 396] chdir("./file0") = 0
[pid 396] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 396] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 396] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 396] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 396] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 396] exit_group(0) = ?
[pid 396] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=396, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLD, child_tidptr=0x555568c7c650) = 398
./strace-static-x86_64: Process 398 attached
[pid 398] set_robust_list(0x555568c7c660, 24) = 0
[pid 398] chdir("./45") = 0
[pid 398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 398] setpgid(0, 0) = 0
[pid 398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 398] write(3, "1000", 4) = 4
[pid 398] close(3) = 0
[pid 398] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 398] write(1, "executing program\n", 18) = 18
[pid 398] memfd_create("syzkaller", 0) = 3
[pid 398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 398] 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 398] munmap(0x7f0b14b54000, 138412032) = 0
[pid 398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.759266][ T396] loop0: detected capacity change from 0 to 512
[ 29.768079][ T396] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.782042][ T396] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.794900][ T396] EXT4-fs (loop0): 1 orphan inode deleted
[pid 398] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 398] close(3) = 0
[pid 398] close(4) = 0
[pid 398] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 398] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 398] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 398] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 398] ioctl(4, LOOP_CLR_FD) = 0
[pid 398] close(4) = 0
[pid 398] chdir("./file0") = 0
[pid 398] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 398] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 398] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 398] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 398] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 398] exit_group(0) = ?
[pid 398] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 400
./strace-static-x86_64: Process 400 attached
[pid 400] set_robust_list(0x555568c7c660, 24) = 0
[pid 400] chdir("./46") = 0
[pid 400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 400] setpgid(0, 0) = 0
[pid 400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 400] write(3, "1000", 4) = 4
[pid 400] close(3) = 0
[pid 400] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 400] write(1, "executing program\n", 18) = 18
[pid 400] memfd_create("syzkaller", 0) = 3
[pid 400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 400] 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 400] munmap(0x7f0b14b54000, 138412032) = 0
[pid 400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.829838][ T398] loop0: detected capacity change from 0 to 512
[ 29.839250][ T398] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.853266][ T398] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.866128][ T398] EXT4-fs (loop0): 1 orphan inode deleted
[pid 400] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 400] close(3) = 0
[pid 400] close(4) = 0
[pid 400] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 400] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 400] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 400] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 400] ioctl(4, LOOP_CLR_FD) = 0
[pid 400] close(4) = 0
[pid 400] chdir("./file0") = 0
[pid 400] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 400] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 400] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 400] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 400] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 400] exit_group(0) = ?
[pid 400] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=400, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 402
./strace-static-x86_64: Process 402 attached
[pid 402] set_robust_list(0x555568c7c660, 24) = 0
[pid 402] chdir("./47") = 0
[pid 402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 402] setpgid(0, 0) = 0
[pid 402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 402] write(3, "1000", 4) = 4
[pid 402] close(3) = 0
[pid 402] symlink("/dev/binderfs", "./binderfs") = 0
[pid 402] write(1, "executing program\n", 18executing program
) = 18
[pid 402] memfd_create("syzkaller", 0) = 3
[pid 402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 402] 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 402] munmap(0x7f0b14b54000, 138412032) = 0
[ 29.890557][ T400] loop0: detected capacity change from 0 to 512
[ 29.899589][ T400] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.913596][ T400] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.926417][ T400] EXT4-fs (loop0): 1 orphan inode deleted
[pid 402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 402] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 402] close(3) = 0
[pid 402] close(4) = 0
[pid 402] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 402] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 402] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 402] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 402] ioctl(4, LOOP_CLR_FD) = 0
[pid 402] close(4) = 0
[pid 402] chdir("./file0") = 0
[pid 402] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 402] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 402] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 402] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 402] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 402] exit_group(0) = ?
[pid 402] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 404
./strace-static-x86_64: Process 404 attached
[pid 404] set_robust_list(0x555568c7c660, 24) = 0
[pid 404] chdir("./48") = 0
[pid 404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 404] setpgid(0, 0) = 0
[pid 404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 404] write(3, "1000", 4) = 4
[pid 404] close(3) = 0
[pid 404] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 404] write(1, "executing program\n", 18) = 18
[pid 404] memfd_create("syzkaller", 0) = 3
[pid 404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 404] 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 404] munmap(0x7f0b14b54000, 138412032) = 0
[pid 404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 29.960563][ T402] loop0: detected capacity change from 0 to 512
[ 29.969808][ T402] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 29.983806][ T402] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 29.997008][ T402] EXT4-fs (loop0): 1 orphan inode deleted
[pid 404] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 404] close(3) = 0
[pid 404] close(4) = 0
[pid 404] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 404] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 404] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 404] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 404] ioctl(4, LOOP_CLR_FD) = 0
[pid 404] close(4) = 0
[pid 404] chdir("./file0") = 0
[pid 404] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 404] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 404] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 404] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 404] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 404] exit_group(0) = ?
[pid 404] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=404, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 406
./strace-static-x86_64: Process 406 attached
[pid 406] set_robust_list(0x555568c7c660, 24) = 0
[pid 406] chdir("./49") = 0
[pid 406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 406] setpgid(0, 0) = 0
[pid 406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 406] write(3, "1000", 4) = 4
[pid 406] close(3) = 0
[pid 406] symlink("/dev/binderfs", "./binderfs") = 0
[pid 406] write(1, "executing program\n", 18executing program
) = 18
[pid 406] memfd_create("syzkaller", 0) = 3
[pid 406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 406] 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 406] munmap(0x7f0b14b54000, 138412032) = 0
[ 30.028569][ T404] loop0: detected capacity change from 0 to 512
[ 30.037415][ T404] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.051689][ T404] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.064414][ T404] EXT4-fs (loop0): 1 orphan inode deleted
[pid 406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 406] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 406] close(3) = 0
[pid 406] close(4) = 0
[pid 406] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 406] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 406] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 406] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 406] ioctl(4, LOOP_CLR_FD) = 0
[pid 406] close(4) = 0
[pid 406] chdir("./file0") = 0
[pid 406] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 406] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 406] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 406] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 406] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 406] exit_group(0) = ?
[pid 406] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 408
./strace-static-x86_64: Process 408 attached
[pid 408] set_robust_list(0x555568c7c660, 24) = 0
[pid 408] chdir("./50") = 0
[pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 408] setpgid(0, 0) = 0
[pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 408] write(3, "1000", 4) = 4
[pid 408] close(3) = 0
[pid 408] symlink("/dev/binderfs", "./binderfs") = 0
[pid 408] write(1, "executing program\n", 18) = 18
[pid 408] memfd_create("syzkaller", 0) = 3
[pid 408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 408] 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 408] munmap(0x7f0b14b54000, 138412032) = 0
[pid 408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.098586][ T406] loop0: detected capacity change from 0 to 512
[ 30.108140][ T406] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.122093][ T406] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.134920][ T406] EXT4-fs (loop0): 1 orphan inode deleted
[pid 408] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 408] close(3) = 0
[pid 408] close(4) = 0
[pid 408] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 408] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 408] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 408] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 408] ioctl(4, LOOP_CLR_FD) = 0
[pid 408] close(4) = 0
[pid 408] chdir("./file0") = 0
[pid 408] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 408] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 408] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 408] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 408] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 408] exit_group(0) = ?
[pid 408] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 410
./strace-static-x86_64: Process 410 attached
[pid 410] set_robust_list(0x555568c7c660, 24) = 0
[pid 410] chdir("./51") = 0
[pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 410] setpgid(0, 0) = 0
[pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 410] write(3, "1000", 4) = 4
[pid 410] close(3) = 0
[pid 410] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 410] write(1, "executing program\n", 18) = 18
[pid 410] memfd_create("syzkaller", 0) = 3
[pid 410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 410] 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 410] munmap(0x7f0b14b54000, 138412032) = 0
[pid 410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.155900][ T408] loop0: detected capacity change from 0 to 512
[ 30.164687][ T408] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.178595][ T408] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.191395][ T408] EXT4-fs (loop0): 1 orphan inode deleted
[pid 410] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 410] close(3) = 0
[pid 410] close(4) = 0
[pid 410] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 410] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 410] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 410] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 410] ioctl(4, LOOP_CLR_FD) = 0
[pid 410] close(4) = 0
[pid 410] chdir("./file0") = 0
[pid 410] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 410] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 410] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 410] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 410] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 410] exit_group(0) = ?
[pid 410] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 412
./strace-static-x86_64: Process 412 attached
[pid 412] set_robust_list(0x555568c7c660, 24) = 0
[pid 412] chdir("./52") = 0
[pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 412] setpgid(0, 0) = 0
[pid 412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 412] write(3, "1000", 4) = 4
[pid 412] close(3) = 0
[pid 412] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 412] write(1, "executing program\n", 18) = 18
[pid 412] memfd_create("syzkaller", 0) = 3
[pid 412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 412] 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 412] munmap(0x7f0b14b54000, 138412032) = 0
[pid 412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.215259][ T410] loop0: detected capacity change from 0 to 512
[ 30.223790][ T410] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.237664][ T410] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.250320][ T410] EXT4-fs (loop0): 1 orphan inode deleted
[pid 412] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 412] close(3) = 0
[pid 412] close(4) = 0
[pid 412] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 412] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 412] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 412] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 412] ioctl(4, LOOP_CLR_FD) = 0
[pid 412] close(4) = 0
[pid 412] chdir("./file0") = 0
[pid 412] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 412] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 412] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 412] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 412] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 412] exit_group(0) = ?
[pid 412] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 414
./strace-static-x86_64: Process 414 attached
[pid 414] set_robust_list(0x555568c7c660, 24) = 0
[pid 414] chdir("./53") = 0
[pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 414] setpgid(0, 0) = 0
[pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 414] write(3, "1000", 4) = 4
[pid 414] close(3) = 0
[pid 414] symlink("/dev/binderfs", "./binderfs") = 0
[pid 414] write(1, "executing program\n", 18executing program
) = 18
[pid 414] memfd_create("syzkaller", 0) = 3
[pid 414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 414] 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 414] munmap(0x7f0b14b54000, 138412032) = 0
[ 30.273847][ T412] loop0: detected capacity change from 0 to 512
[ 30.282300][ T412] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.296143][ T412] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.308863][ T412] EXT4-fs (loop0): 1 orphan inode deleted
[pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 414] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 414] close(3) = 0
[pid 414] close(4) = 0
[pid 414] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 414] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 414] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 414] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 414] ioctl(4, LOOP_CLR_FD) = 0
[pid 414] close(4) = 0
[pid 414] chdir("./file0") = 0
[pid 414] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 414] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 414] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 414] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 414] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 414] exit_group(0) = ?
[pid 414] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 416
./strace-static-x86_64: Process 416 attached
[pid 416] set_robust_list(0x555568c7c660, 24) = 0
[pid 416] chdir("./54") = 0
[pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 416] setpgid(0, 0) = 0
[pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 416] write(3, "1000", 4) = 4
[pid 416] close(3) = 0
[pid 416] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 416] write(1, "executing program\n", 18) = 18
[pid 416] memfd_create("syzkaller", 0) = 3
[pid 416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 416] 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 416] munmap(0x7f0b14b54000, 138412032) = 0
[pid 416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.347914][ T414] loop0: detected capacity change from 0 to 512
[ 30.357626][ T414] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.371531][ T414] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.384392][ T414] EXT4-fs (loop0): 1 orphan inode deleted
[pid 416] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 416] close(3) = 0
[pid 416] close(4) = 0
[pid 416] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 416] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 416] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 416] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 416] ioctl(4, LOOP_CLR_FD) = 0
[pid 416] close(4) = 0
[pid 416] chdir("./file0") = 0
[pid 416] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 416] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 416] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 416] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 416] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 416] exit_group(0) = ?
[pid 416] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 418
./strace-static-x86_64: Process 418 attached
[pid 418] set_robust_list(0x555568c7c660, 24) = 0
[pid 418] chdir("./55") = 0
[pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 418] setpgid(0, 0) = 0
[pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 418] write(3, "1000", 4) = 4
[pid 418] close(3) = 0
[pid 418] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 418] write(1, "executing program\n", 18) = 18
[pid 418] memfd_create("syzkaller", 0) = 3
[pid 418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 418] 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 418] munmap(0x7f0b14b54000, 138412032) = 0
[pid 418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.415841][ T416] loop0: detected capacity change from 0 to 512
[ 30.424765][ T416] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.438729][ T416] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.451388][ T416] EXT4-fs (loop0): 1 orphan inode deleted
[pid 418] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 418] close(3) = 0
[pid 418] close(4) = 0
[pid 418] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 418] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 418] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 418] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 418] ioctl(4, LOOP_CLR_FD) = 0
[pid 418] close(4) = 0
[pid 418] chdir("./file0") = 0
[pid 418] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 418] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 418] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 418] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 418] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 418] exit_group(0) = ?
[pid 418] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 421
./strace-static-x86_64: Process 421 attached
[pid 421] set_robust_list(0x555568c7c660, 24) = 0
[pid 421] chdir("./56") = 0
[pid 421] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program
) = 0
[pid 421] setpgid(0, 0) = 0
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.491157][ T418] loop0: detected capacity change from 0 to 512
[ 30.501074][ T418] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.515095][ T418] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.527888][ T418] 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 421] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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_FDexecuting program
) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 423
./strace-static-x86_64: Process 423 attached
[pid 423] set_robust_list(0x555568c7c660, 24) = 0
[pid 423] chdir("./57") = 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") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.559769][ T421] loop0: detected capacity change from 0 to 512
[ 30.569189][ T421] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.583024][ T421] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.595885][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 423] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./57") = 0
mkdir("./58", 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=0x555568c7c650) = 425
./strace-static-x86_64: Process 425 attached
[pid 425] set_robust_list(0x555568c7c660, 24) = 0
[pid 425] chdir("./58") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.626055][ T423] loop0: detected capacity change from 0 to 512
[ 30.634800][ T423] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.648736][ T423] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.661711][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 425] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 425] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 427
./strace-static-x86_64: Process 427 attached
[pid 427] set_robust_list(0x555568c7c660, 24) = 0
[pid 427] chdir("./59") = 0
[pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 427] setpgid(0, 0) = 0
[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
executing program
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.696179][ T425] loop0: detected capacity change from 0 to 512
[ 30.705189][ T425] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.719279][ T425] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.732120][ T425] EXT4-fs (loop0): 1 orphan inode deleted
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 427] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 429
./strace-static-x86_64: Process 429 attached
[pid 429] set_robust_list(0x555568c7c660, 24) = 0
[pid 429] chdir("./60") = 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"executing program
) = 0
[pid 429] write(1, "executing program\n", 18) = 18
[pid 429] memfd_create("syzkaller", 0) = 3
[pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.766996][ T427] loop0: detected capacity change from 0 to 512
[ 30.776489][ T427] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.790926][ T427] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.803619][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 429] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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, child_tidptr=0x555568c7c650) = 431
./strace-static-x86_64: Process 431 attached
[pid 431] set_robust_list(0x555568c7c660, 24) = 0
[pid 431] chdir("./61") = 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
[pid 431] write(1, "executing program\n", 18executing program
) = 18
[pid 431] memfd_create("syzkaller", 0) = 3
[pid 431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.838870][ T429] loop0: detected capacity change from 0 to 512
[ 30.848639][ T429] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.862730][ T429] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.875395][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 431] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 433
./strace-static-x86_64: Process 433 attached
[pid 433] set_robust_list(0x555568c7c660, 24) = 0
[pid 433] chdir("./62") = 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"executing program
) = 0
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[ 30.908760][ T431] loop0: detected capacity change from 0 to 512
[ 30.918534][ T431] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 30.932546][ T431] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 30.945440][ T431] EXT4-fs (loop0): 1 orphan inode deleted
[pid 433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 433] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 435
./strace-static-x86_64: Process 435 attached
[pid 435] set_robust_list(0x555568c7c660, 24) = 0
[pid 435] chdir("./63") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 30.982209][ T433] loop0: detected capacity change from 0 to 512
[ 30.991014][ T433] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.005102][ T433] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.017994][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 435] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 437
./strace-static-x86_64: Process 437 attached
[pid 437] set_robust_list(0x555568c7c660, 24) = 0
[pid 437] chdir("./64") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.049899][ T435] loop0: detected capacity change from 0 to 512
[ 31.058696][ T435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.072612][ T435] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.085391][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 437] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 439
./strace-static-x86_64: Process 439 attached
[pid 439] set_robust_list(0x555568c7c660, 24) = 0
[pid 439] chdir("./65") = 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") = 0
executing program
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[ 31.111532][ T437] loop0: detected capacity change from 0 to 512
[ 31.120328][ T437] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.134372][ T437] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.147276][ T437] EXT4-fs (loop0): 1 orphan inode deleted
[pid 439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 439] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 441
./strace-static-x86_64: Process 441 attached
[pid 441] set_robust_list(0x555568c7c660, 24) = 0
executing program
[pid 441] chdir("./66") = 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", 18) = 18
[pid 441] memfd_create("syzkaller", 0) = 3
[pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.184234][ T439] loop0: detected capacity change from 0 to 512
[ 31.193568][ T439] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.207539][ T439] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.220319][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 441] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 443
./strace-static-x86_64: Process 443 attached
[pid 443] set_robust_list(0x555568c7c660, 24) = 0
[pid 443] chdir("./67") = 0
[pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 443] setpgid(0, 0) = 0
executing program
[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") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.250992][ T441] loop0: detected capacity change from 0 to 512
[ 31.259794][ T441] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.273787][ T441] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.286614][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 443] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 445
./strace-static-x86_64: Process 445 attached
[pid 445] set_robust_list(0x555568c7c660, 24) = 0
[pid 445] chdir("./68") = 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"executing program
) = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.309909][ T443] loop0: detected capacity change from 0 to 512
[ 31.318781][ T443] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.332682][ T443] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.345347][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 445] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./68"executing program
) = 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=0x555568c7c650) = 447
./strace-static-x86_64: Process 447 attached
[pid 447] set_robust_list(0x555568c7c660, 24) = 0
[pid 447] chdir("./69") = 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") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.377264][ T445] loop0: detected capacity change from 0 to 512
[ 31.386054][ T445] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.400006][ T445] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.412958][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 447] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 449
./strace-static-x86_64: Process 449 attached
[pid 449] set_robust_list(0x555568c7c660, 24) = 0
[pid 449] chdir("./70") = 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"executing program
) = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[ 31.443979][ T447] loop0: detected capacity change from 0 to 512
[ 31.452886][ T447] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.466854][ T447] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.479637][ T447] EXT4-fs (loop0): 1 orphan inode deleted
[pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 449] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 452
./strace-static-x86_64: Process 452 attached
[pid 452] set_robust_list(0x555568c7c660, 24) = 0
[pid 452] chdir("./71") = 0
[pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 452] setpgid(0, 0) = 0
[pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 452] write(3, "1000", 4) = 4
[pid 452] close(3) = 0
[pid 452] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 452] write(1, "executing program\n", 18) = 18
[pid 452] memfd_create("syzkaller", 0) = 3
[pid 452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 452] 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 452] munmap(0x7f0b14b54000, 138412032) = 0
[pid 452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.511571][ T449] loop0: detected capacity change from 0 to 512
[ 31.520478][ T449] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.534387][ T449] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.547186][ T449] EXT4-fs (loop0): 1 orphan inode deleted
[pid 452] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 452] close(3) = 0
[pid 452] close(4) = 0
[pid 452] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 452] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 452] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 452] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 452] ioctl(4, LOOP_CLR_FD) = 0
[pid 452] close(4) = 0
[pid 452] chdir("./file0") = 0
[pid 452] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 452] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 452] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 452] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 452] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 452] exit_group(0) = ?
[pid 452] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 454
./strace-static-x86_64: Process 454 attached
[pid 454] set_robust_list(0x555568c7c660, 24) = 0
[pid 454] chdir("./72") = 0
[pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 454] setpgid(0, 0) = 0
[pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 454] write(3, "1000", 4) = 4
[pid 454] close(3) = 0
[pid 454] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid 454] write(1, "executing program\n", 18) = 18
[pid 454] memfd_create("syzkaller", 0) = 3
[pid 454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 454] 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 454] munmap(0x7f0b14b54000, 138412032) = 0
[pid 454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.583187][ T452] loop0: detected capacity change from 0 to 512
[ 31.591894][ T452] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.605907][ T452] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.618555][ T452] EXT4-fs (loop0): 1 orphan inode deleted
[pid 454] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 454] close(3) = 0
[pid 454] close(4) = 0
[pid 454] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 454] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 454] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 454] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 454] ioctl(4, LOOP_CLR_FD) = 0
[pid 454] close(4) = 0
[pid 454] chdir("./file0") = 0
[pid 454] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 454] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 454] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 454] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 454] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 454] exit_group(0) = ?
[pid 454] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 456
./strace-static-x86_64: Process 456 attached
[pid 456] set_robust_list(0x555568c7c660, 24) = 0
[pid 456] chdir("./73") = 0
[pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 456] setpgid(0, 0) = 0
[pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 456] write(3, "1000", 4) = 4
[pid 456] close(3) = 0
[pid 456] symlink("/dev/binderfs", "./binderfs") = 0
[pid 456] write(1, "executing program\n", 18) = 18
executing program
[pid 456] memfd_create("syzkaller", 0) = 3
[pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 456] 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 456] munmap(0x7f0b14b54000, 138412032) = 0
[ 31.652764][ T454] loop0: detected capacity change from 0 to 512
[ 31.661682][ T454] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.675648][ T454] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.688637][ T454] EXT4-fs (loop0): 1 orphan inode deleted
[pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 456] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 456] close(3) = 0
[pid 456] close(4) = 0
[pid 456] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 456] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 456] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 456] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 456] ioctl(4, LOOP_CLR_FD) = 0
[pid 456] close(4) = 0
[pid 456] chdir("./file0") = 0
[pid 456] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 456] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 456] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 456] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 456] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 456] exit_group(0) = ?
[pid 456] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 458
./strace-static-x86_64: Process 458 attached
[pid 458] set_robust_list(0x555568c7c660, 24) = 0
[pid 458] chdir("./74") = 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") = 0
[pid 458] write(1, "executing program\n", 18executing program
) = 18
[pid 458] memfd_create("syzkaller", 0) = 3
[pid 458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.719410][ T456] loop0: detected capacity change from 0 to 512
[ 31.728296][ T456] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.742216][ T456] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.755171][ T456] 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 458] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=2} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 460
./strace-static-x86_64: Process 460 attached
[pid 460] set_robust_list(0x555568c7c660, 24) = 0
[pid 460] chdir("./75") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[ 31.783966][ T458] loop0: detected capacity change from 0 to 512
[ 31.792879][ T458] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.807216][ T458] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.820003][ T458] EXT4-fs (loop0): 1 orphan inode deleted
[pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 460] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 462
./strace-static-x86_64: Process 462 attached
[pid 462] set_robust_list(0x555568c7c660, 24) = 0
[pid 462] chdir("./76") = 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"executing program
) = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[ 31.854222][ T460] loop0: detected capacity change from 0 to 512
[ 31.863063][ T460] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.877101][ T460] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.890086][ T460] EXT4-fs (loop0): 1 orphan inode deleted
[pid 462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 462] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 464
./strace-static-x86_64: Process 464 attached
[pid 464] set_robust_list(0x555568c7c660, 24) = 0
[pid 464] chdir("./77") = 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"executing program
) = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 31.925650][ T462] loop0: detected capacity change from 0 to 512
[ 31.934576][ T462] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 31.948605][ T462] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 31.961532][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 464] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./77") = 0
mkdir("./78", 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=0x555568c7c650) = 466
./strace-static-x86_64: Process 466 attached
[pid 466] set_robust_list(0x555568c7c660, 24) = 0
[pid 466] chdir("./78") = 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
[pid 466] write(1, "executing program\n", 18executing program
) = 18
[pid 466] memfd_create("syzkaller", 0) = 3
[pid 466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[ 31.990007][ T464] loop0: detected capacity change from 0 to 512
[ 31.998975][ T464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.013011][ T464] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.025863][ T464] EXT4-fs (loop0): 1 orphan inode deleted
[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(0x7f0b14b54000, 138412032) = 0
[pid 466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 466] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 468
./strace-static-x86_64: Process 468 attached
[pid 468] set_robust_list(0x555568c7c660, 24) = 0
[pid 468] chdir("./79") = 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
executing program
[pid 468] write(1, "executing program\n", 18) = 18
[pid 468] memfd_create("syzkaller", 0) = 3
[pid 468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.052726][ T466] loop0: detected capacity change from 0 to 512
[ 32.061737][ T466] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.075815][ T466] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.088628][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 468] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 470
./strace-static-x86_64: Process 470 attached
[pid 470] set_robust_list(0x555568c7c660, 24) = 0
[pid 470] chdir("./80") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.122121][ T468] loop0: detected capacity change from 0 to 512
[ 32.131389][ T468] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.145660][ T468] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.158430][ T468] EXT4-fs (loop0): 1 orphan inode deleted
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 470] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 472
./strace-static-x86_64: Process 472 attached
[pid 472] set_robust_list(0x555568c7c660, 24) = 0
[pid 472] chdir("./81") = 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") = 0
[pid 472] write(1, "executing program\n", 18executing program
) = 18
[pid 472] memfd_create("syzkaller", 0) = 3
[pid 472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[ 32.180255][ T470] loop0: detected capacity change from 0 to 512
[ 32.189912][ T470] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.204104][ T470] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.216836][ T470] EXT4-fs (loop0): 1 orphan inode deleted
[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(0x7f0b14b54000, 138412032) = 0
[pid 472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 472] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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) = 0
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 474
./strace-static-x86_64: Process 474 attached
[pid 474] set_robust_list(0x555568c7c660, 24) = 0
[pid 474] chdir("./82") = 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"executing program
) = 0
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.249885][ T472] loop0: detected capacity change from 0 to 512
[ 32.259312][ T472] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.273180][ T472] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.285847][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 474] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./82") = 0
mkdir("./83", 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=0x555568c7c650) = 476
./strace-static-x86_64: Process 476 attached
[pid 476] set_robust_list(0x555568c7c660, 24) = 0
[pid 476] chdir("./83") = 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") = 0
executing program
[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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.306847][ T474] loop0: detected capacity change from 0 to 512
[ 32.317270][ T474] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.331244][ T474] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.344046][ 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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 476] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLD, child_tidptr=0x555568c7c650) = 478
./strace-static-x86_64: Process 478 attached
[pid 478] set_robust_list(0x555568c7c660, 24) = 0
[pid 478] chdir("./84") = 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(3executing program
) = 0
[pid 478] symlink("/dev/binderfs", "./binderfs") = 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) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[ 32.375109][ T476] loop0: detected capacity change from 0 to 512
[ 32.384454][ T476] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.398540][ T476] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.411448][ T476] EXT4-fs (loop0): 1 orphan inode deleted
[pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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
[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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 478] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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("./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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 0 entries */, 32768) = 0
close(3) = 0
rmdir("./84") = 0
mkdir("./85", 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=0x555568c7c650) = 480
./strace-static-x86_64: Process 480 attached
[pid 480] set_robust_list(0x555568c7c660, 24) = 0
[pid 480] chdir("./85") = 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_CLOEXECexecuting program
) = 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", 18) = 18
[pid 480] memfd_create("syzkaller", 0) = 3
[pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[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(0x7f0b14b54000, 138412032) = 0
[pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.442954][ T478] loop0: detected capacity change from 0 to 512
[ 32.454307][ T478] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.468226][ T478] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.481002][ T478] EXT4-fs (loop0): 1 orphan inode deleted
[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_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 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] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 480] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 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=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3executing program
) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 483
./strace-static-x86_64: Process 483 attached
[pid 483] set_robust_list(0x555568c7c660, 24) = 0
[pid 483] chdir("./86") = 0
[pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 483] setpgid(0, 0) = 0
[pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 483] write(3, "1000", 4) = 4
[pid 483] close(3) = 0
[pid 483] symlink("/dev/binderfs", "./binderfs") = 0
[pid 483] write(1, "executing program\n", 18) = 18
[pid 483] memfd_create("syzkaller", 0) = 3
[pid 483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 483] 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 483] munmap(0x7f0b14b54000, 138412032) = 0
[pid 483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.516652][ T480] loop0: detected capacity change from 0 to 512
[ 32.527320][ T480] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.541183][ T480] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.554063][ T480] EXT4-fs (loop0): 1 orphan inode deleted
[pid 483] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 483] close(3) = 0
[pid 483] close(4) = 0
[pid 483] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 483] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 483] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 483] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 483] ioctl(4, LOOP_CLR_FD) = 0
[pid 483] close(4) = 0
[pid 483] chdir("./file0") = 0
[pid 483] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 483] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 483] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 483] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 483] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 483] exit_group(0) = ?
[pid 483] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 485
./strace-static-x86_64: Process 485 attached
[pid 485] set_robust_list(0x555568c7c660, 24) = 0
[pid 485] chdir("./87") = 0
[pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 485] setpgid(0, 0) = 0
[pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 485] write(3, "1000", 4) = 4
[pid 485] close(3) = 0
[pid 485] symlink("/dev/binderfs", "./binderfs") = 0
[pid 485] write(1, "executing program\n", 18) = 18
[pid 485] memfd_create("syzkaller", 0) = 3
[pid 485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 485] 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 485] munmap(0x7f0b14b54000, 138412032) = 0
[pid 485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.590299][ T483] loop0: detected capacity change from 0 to 512
[ 32.599560][ T483] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.613534][ T483] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.626394][ T483] EXT4-fs (loop0): 1 orphan inode deleted
[pid 485] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 485] close(3) = 0
[pid 485] close(4) = 0
[pid 485] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 485] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 485] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 485] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 485] ioctl(4, LOOP_CLR_FD) = 0
[pid 485] close(4) = 0
[pid 485] chdir("./file0") = 0
[pid 485] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 485] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 485] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 485] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 485] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 485] exit_group(0) = ?
[pid 485] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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)
executing program
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 487
./strace-static-x86_64: Process 487 attached
[pid 487] set_robust_list(0x555568c7c660, 24) = 0
[pid 487] chdir("./88") = 0
[pid 487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 487] setpgid(0, 0) = 0
[pid 487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 487] write(3, "1000", 4) = 4
[pid 487] close(3) = 0
[pid 487] symlink("/dev/binderfs", "./binderfs") = 0
[pid 487] write(1, "executing program\n", 18) = 18
[pid 487] memfd_create("syzkaller", 0) = 3
[pid 487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 487] 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 487] munmap(0x7f0b14b54000, 138412032) = 0
[pid 487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.657923][ T485] loop0: detected capacity change from 0 to 512
[ 32.667587][ T485] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.681468][ T485] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.694122][ T485] EXT4-fs (loop0): 1 orphan inode deleted
[pid 487] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 487] close(3) = 0
[pid 487] close(4) = 0
[pid 487] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 32.729325][ T487] loop0: detected capacity change from 0 to 512
[ 32.738080][ T487] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.751974][ T487] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.764646][ T487] EXT4-fs (loop0): 1 orphan inode deleted
[ 32.770406][ T487] EXT4-fs mount: 113 callbacks suppressed
[pid 487] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 487] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 487] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 487] ioctl(4, LOOP_CLR_FD) = 0
[pid 487] close(4) = 0
[pid 487] chdir("./file0") = 0
[pid 487] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 487] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 487] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 487] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 487] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 487] exit_group(0) = ?
[pid 487] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 489
./strace-static-x86_64: Process 489 attached
[pid 489] set_robust_list(0x555568c7c660, 24) = 0
[pid 489] chdir("./89") = 0
[pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 489] setpgid(0, 0) = 0
[pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 489] write(3, "1000", 4) = 4
[pid 489] close(3) = 0
[pid 489] symlink("/dev/binderfs", "./binderfs") = 0
[pid 489] write(1, "executing program\n", 18executing program
) = 18
[pid 489] memfd_create("syzkaller", 0) = 3
[pid 489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 489] 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 489] munmap(0x7f0b14b54000, 138412032) = 0
[pid 489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 489] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 489] close(3) = 0
[pid 489] close(4) = 0
[pid 489] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 32.770418][ T487] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 32.790260][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 32.809693][ T489] loop0: detected capacity change from 0 to 512
[pid 489] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 489] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 489] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 489] ioctl(4, LOOP_CLR_FD) = 0
[pid 489] close(4) = 0
[pid 489] chdir("./file0") = 0
[pid 489] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 489] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 489] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 489] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 489] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 489] exit_group(0) = ?
[pid 489] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=5} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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|SIGCHLDexecuting program
, child_tidptr=0x555568c7c650) = 491
./strace-static-x86_64: Process 491 attached
[pid 491] set_robust_list(0x555568c7c660, 24) = 0
[pid 491] chdir("./90") = 0
[pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 491] setpgid(0, 0) = 0
[pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 491] write(3, "1000", 4) = 4
[pid 491] close(3) = 0
[pid 491] symlink("/dev/binderfs", "./binderfs") = 0
[pid 491] write(1, "executing program\n", 18) = 18
[pid 491] memfd_create("syzkaller", 0) = 3
[pid 491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 491] 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 491] munmap(0x7f0b14b54000, 138412032) = 0
[pid 491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.819177][ T489] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.833120][ T489] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.846107][ T489] EXT4-fs (loop0): 1 orphan inode deleted
[ 32.851721][ T489] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 32.869013][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 491] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 491] close(3) = 0
[pid 491] close(4) = 0
[pid 491] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 491] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 491] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 491] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 491] ioctl(4, LOOP_CLR_FD) = 0
[pid 491] close(4) = 0
[pid 491] chdir("./file0") = 0
[pid 491] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 491] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 491] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 491] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 491] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 491] exit_group(0) = ?
[pid 491] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, 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, 0x555568c7d6f0 /* 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
[ 32.888730][ T491] loop0: detected capacity change from 0 to 512
[ 32.898291][ T491] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 32.912189][ T491] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 32.925019][ T491] EXT4-fs (loop0): 1 orphan inode deleted
[ 32.930583][ T491] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 493
./strace-static-x86_64: Process 493 attached
[pid 493] set_robust_list(0x555568c7c660, 24) = 0
[pid 493] chdir("./91") = 0
[pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 493] setpgid(0, 0) = 0
[pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 493] write(3, "1000", 4) = 4
[pid 493] close(3) = 0
[pid 493] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 493] write(1, "executing program\n", 18) = 18
[pid 493] memfd_create("syzkaller", 0) = 3
[pid 493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 493] 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 493] munmap(0x7f0b14b54000, 138412032) = 0
[pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 493] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 493] close(3) = 0
[pid 493] close(4) = 0
[pid 493] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 32.948427][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 32.964595][ T493] loop0: detected capacity change from 0 to 512
[ 32.973389][ T493] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 493] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 493] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 493] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 493] ioctl(4, LOOP_CLR_FD) = 0
[pid 493] close(4) = 0
[pid 493] chdir("./file0") = 0
[pid 493] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 493] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 493] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 493] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 493] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 493] exit_group(0) = ?
[pid 493] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, 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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 495
./strace-static-x86_64: Process 495 attached
[pid 495] set_robust_list(0x555568c7c660, 24) = 0
[pid 495] chdir("./92") = 0
[pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 495] setpgid(0, 0) = 0
[pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 495] write(3, "1000", 4) = 4
[pid 495] close(3) = 0
[pid 495] symlink("/dev/binderfs", "./binderfs") = 0
[pid 495] write(1, "executing program\n", 18) = 18
executing program
[pid 495] memfd_create("syzkaller", 0) = 3
[pid 495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 495] 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 495] munmap(0x7f0b14b54000, 138412032) = 0
[pid 495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 32.987394][ T493] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.000121][ T493] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.005644][ T493] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.030166][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 495] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 495] close(3) = 0
[pid 495] close(4) = 0
[pid 495] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 495] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 495] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 495] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 495] ioctl(4, LOOP_CLR_FD) = 0
[pid 495] close(4) = 0
[pid 495] chdir("./file0") = 0
[pid 495] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 495] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 495] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 495] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 495] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 495] exit_group(0) = ?
[pid 495] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
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, 0x555568c7d6f0 /* 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
[ 33.046341][ T495] loop0: detected capacity change from 0 to 512
[ 33.056137][ T495] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.070006][ T495] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.082739][ T495] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.088517][ T495] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 497
./strace-static-x86_64: Process 497 attached
[pid 497] set_robust_list(0x555568c7c660, 24) = 0
[pid 497] chdir("./93") = 0
[pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 497] setpgid(0, 0) = 0
[pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 497] write(3, "1000", 4) = 4
[pid 497] close(3) = 0
[pid 497] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 497] write(1, "executing program\n", 18) = 18
[pid 497] memfd_create("syzkaller", 0) = 3
[pid 497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 497] 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 497] munmap(0x7f0b14b54000, 138412032) = 0
[pid 497] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 497] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 497] close(3) = 0
[pid 497] close(4) = 0
[pid 497] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 33.104436][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.126094][ T497] loop0: detected capacity change from 0 to 512
[ 33.135088][ T497] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 497] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 497] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 497] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 497] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 497] ioctl(4, LOOP_CLR_FD) = 0
[pid 497] close(4) = 0
[pid 497] chdir("./file0") = 0
[pid 497] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 497] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 497] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 497] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 497] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 497] exit_group(0) = ?
[pid 497] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=3} ---
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, 0x555568c7d6f0 /* 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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555568c7c650) = 499
./strace-static-x86_64: Process 499 attached
[pid 499] set_robust_list(0x555568c7c660, 24) = 0
[pid 499] chdir("./94") = 0
[pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 499] setpgid(0, 0) = 0
[pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 499] write(3, "1000", 4) = 4
[pid 499] close(3) = 0
[pid 499] symlink("/dev/binderfs", "./binderfs") = 0
[pid 499] write(1, "executing program\n", 18executing program
) = 18
[pid 499] memfd_create("syzkaller", 0) = 3
[pid 499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 499] 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 499] munmap(0x7f0b14b54000, 138412032) = 0
[pid 499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 33.149265][ T497] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.162094][ T497] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.167682][ T497] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.184511][ T299] EXT4-fs (loop0): unmounting filesystem.
[pid 499] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 499] close(3) = 0
[pid 499] close(4) = 0
[pid 499] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 499] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 499] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 499] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 499] ioctl(4, LOOP_CLR_FD) = 0
[pid 499] close(4) = 0
[pid 499] chdir("./file0") = 0
[pid 499] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 499] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 005) = 0
[pid 499] creat("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 5
[pid 499] symlink("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0
[pid 499] mkdirat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0
[pid 499] exit_group(0) = ?
[pid 499] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, 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, 0x555568c7d6f0 /* 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
[ 33.201451][ T499] loop0: detected capacity change from 0 to 512
[ 33.211304][ T499] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.225211][ T499] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.237985][ T499] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.243531][ T499] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
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, 0x555568c85730 /* 2 entries */, 32768) = 48
getdents64(4, 0x555568c85730 /* 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, 0x555568c7d6f0 /* 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=0x555568c7c650) = 501
./strace-static-x86_64: Process 501 attached
[pid 501] set_robust_list(0x555568c7c660, 24) = 0
[pid 501] chdir("./95") = 0
[pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 501] setpgid(0, 0) = 0
[pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 501] write(3, "1000", 4) = 4
[pid 501] close(3) = 0
[pid 501] symlink("/dev/binderfs", "./binderfs") = 0
[pid 501] write(1, "executing program\n", 18executing program
) = 18
[pid 501] memfd_create("syzkaller", 0) = 3
[pid 501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0b14b54000
[pid 501] 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 501] munmap(0x7f0b14b54000, 138412032) = 0
[pid 501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 501] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 501] close(3) = 0
[pid 501] close(4) = 0
[pid 501] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[ 33.264366][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.284537][ T501] loop0: detected capacity change from 0 to 512
[ 33.294649][ T501] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[pid 501] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "ext4", MS_DIRSYNC|MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|0x200, ",errors=continue") = 0
[pid 501] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 501] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 501] ioctl(4, LOOP_CLR_FD) = 0
[pid 501] close(4) = 0
[pid 501] chdir("./file0") = 0
[pid 501] openat(AT_FDCWD, "net_prio.prioidx", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 33.308700][ T501] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.322150][ T501] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.327892][ T501] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.338676][ T296] show_signal_msg: 4 callbacks suppressed
[ 33.338691][ T296] strace-static-x[296]: segfault at 81 ip 00000000004a1ffe sp 00007fffc11928b8 error 4 in strace-static-x86_64[401000+130000] likely on CPU 1 (core 0, socket 0)
executing program
[ 33.360154][ T296] Code: 48 89 f9 83 e1 7f 48 83 e7 80 48 01 ca 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 c5 fd 74 0f c5 fd 74 57 20 c5 fd 74 5f 40 fd 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 61 c5 85
[ 33.391671][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.403711][ T503] loop0: detected capacity change from 0 to 512
[ 33.412025][ T503] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.426194][ T503] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.438861][ T503] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.444388][ T503] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.459809][ T299] EXT4-fs (loop0): unmounting filesystem.
executing program
[ 33.471909][ T505] loop0: detected capacity change from 0 to 512
[ 33.480124][ T505] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.494018][ T505] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.506707][ T505] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.512274][ T505] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 33.527838][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.542305][ T508] loop0: detected capacity change from 0 to 512
[ 33.550634][ T508] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.564501][ T508] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.577334][ T508] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.582860][ T508] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.587459][ T28] audit: type=1400 audit(1732983146.635:80): avc: denied { remove_name } for pid=84 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
executing program
[ 33.613676][ T28] audit: type=1400 audit(1732983146.635:81): avc: denied { rename } for pid=84 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 33.614166][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.648692][ T510] loop0: detected capacity change from 0 to 512
[ 33.659628][ T510] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
executing program
[ 33.673522][ T510] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.686169][ T510] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.691917][ T510] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.706537][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.718793][ T512] loop0: detected capacity change from 0 to 512
[ 33.727162][ T512] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.741102][ T512] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.753784][ T512] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.759512][ T512] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 33.778924][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.791319][ T514] loop0: detected capacity change from 0 to 512
[ 33.799481][ T514] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.813408][ T514] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
executing program
[ 33.826310][ T514] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.831889][ T514] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.850509][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.862563][ T516] loop0: detected capacity change from 0 to 512
executing program
[ 33.870608][ T516] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.884653][ T516] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.897462][ T516] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.903001][ T516] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 33.918355][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 33.930190][ T518] loop0: detected capacity change from 0 to 512
[ 33.938449][ T518] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 33.953574][ T518] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 33.966586][ T518] EXT4-fs (loop0): 1 orphan inode deleted
[ 33.972153][ T518] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 33.991543][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.003544][ T520] loop0: detected capacity change from 0 to 512
[ 34.011955][ T520] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.025854][ T520] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
executing program
[ 34.038723][ T520] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.044250][ T520] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.063677][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.075772][ T522] loop0: detected capacity change from 0 to 512
executing program
[ 34.083998][ T522] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.097949][ T522] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.110920][ T522] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.116451][ T522] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.131511][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.144732][ T524] loop0: detected capacity change from 0 to 512
[ 34.152938][ T524] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.167212][ T524] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.179865][ T524] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.185388][ T524] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 34.203365][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.217305][ T526] loop0: detected capacity change from 0 to 512
[ 34.225651][ T526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.239685][ T526] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
executing program
[ 34.252360][ T526] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.257966][ T526] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.276001][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.289865][ T528] loop0: detected capacity change from 0 to 512
[ 34.298086][ T528] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.311993][ T528] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.324954][ T528] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.330693][ T528] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 34.350086][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.362673][ T530] loop0: detected capacity change from 0 to 512
[ 34.370709][ T530] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.384862][ T530] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.397648][ T530] EXT4-fs (loop0): 1 orphan inode deleted
executing program
[ 34.403184][ T530] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.418961][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.460644][ T532] loop0: detected capacity change from 0 to 512
[ 34.469121][ T532] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.483003][ T532] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.495731][ T532] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.501283][ T532] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 34.520697][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.532972][ T535] loop0: detected capacity change from 0 to 512
[ 34.541126][ T535] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.555147][ T535] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
executing program
[ 34.567853][ T535] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.573379][ T535] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.588740][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.600791][ T537] loop0: detected capacity change from 0 to 512
executing program
[ 34.608974][ T537] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.622995][ T537] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.635633][ T537] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.641414][ T537] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.656613][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.668617][ T539] loop0: detected capacity change from 0 to 512
[ 34.676699][ T539] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.691398][ T539] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.704112][ T539] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.709937][ T539] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 34.729206][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.740868][ T541] loop0: detected capacity change from 0 to 512
[ 34.748946][ T541] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.762793][ T541] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
executing program
[ 34.775531][ T541] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.781371][ T541] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.796391][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.808258][ T543] loop0: detected capacity change from 0 to 512
executing program
[ 34.816344][ T543] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.830217][ T543] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.843014][ T543] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.848568][ T543] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 34.866727][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.879115][ T545] loop0: detected capacity change from 0 to 512
[ 34.887893][ T545] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.901805][ T545] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 34.914874][ T545] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.920426][ T545] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
executing program
[ 34.935571][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 34.949318][ T548] loop0: detected capacity change from 0 to 512
[ 34.957512][ T548] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 34.971398][ T548] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
executing program
[ 34.984262][ T548] EXT4-fs (loop0): 1 orphan inode deleted
[ 34.990034][ T548] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 35.004994][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 35.016441][ T550] loop0: detected capacity change from 0 to 512
executing program
[ 35.024644][ T550] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 35.038494][ T550] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 35.051333][ T550] EXT4-fs (loop0): 1 orphan inode deleted
[ 35.057094][ T550] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 35.078247][ T299] EXT4-fs (loop0): unmounting filesystem.
[ 35.090257][ T552] loop0: detected capacity change from 0 to 512
[ 35.098400][ T552] EXT4-fs error (device loop0): ext4_xattr_inode_iget:404: comm syz-executor147: inode #1: comm syz-executor147: iget: illegal inode #
[ 35.112242][ T552] EXT4-fs error (device loop0): ext4_xattr_inode_iget:409: comm syz-executor147: error while reading EA inode 1 err=-117
[ 35.125267][ T552] EXT4-fs (loop0): 1 orphan inode deleted
[ 35.130824][ T552] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 35.147758][ T299] EXT4-fs error (device sda1): htree_dirblock_to_tree:1112: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.168178][ T299] EXT4-fs error (device sda1): ext4_empty_dir:3145: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.187736][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.199366][ T299] EXT4-fs error (device sda1): htree_dirblock_to_tree:1112: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.219694][ T299] EXT4-fs error (device sda1): ext4_empty_dir:3145: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.239328][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.250993][ T299] EXT4-fs error (device sda1): htree_dirblock_to_tree:1112: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.271340][ T299] EXT4-fs error (device sda1): ext4_empty_dir:3145: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.290943][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.302649][ T299] EXT4-fs error (device sda1): htree_dirblock_to_tree:1112: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.322921][ T299] EXT4-fs error (device sda1): ext4_empty_dir:3145: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.342469][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.354118][ T299] EXT4-fs error (device sda1): htree_dirblock_to_tree:1112: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.374400][ T299] EXT4-fs error (device sda1): ext4_empty_dir:3145: inode #1928: block 7427: comm syz-executor147: bad entry in directory: rec_len % 4 != 0 - offset=0, inode=1633771873, rec_len=24929, size=4096 fake=0
[ 35.394002][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.405897][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.417682][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.429508][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.441319][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'
[ 35.453017][ T299] EXT4-fs warning (device sda1): ext4_empty_dir:3147: inode #1928: comm syz-executor147: directory missing '.'