./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1495970731
<...>
Warning: Permanently added '10.128.0.101' (ED25519) to the list of known hosts.
execve("./syz-executor1495970731", ["./syz-executor1495970731"], 0x7fff9e8bde90 /* 10 vars */) = 0
brk(NULL) = 0x555561684000
brk(0x555561684d00) = 0x555561684d00
arch_prctl(ARCH_SET_FS, 0x555561684380) = 0
set_tid_address(0x555561684650) = 5821
set_robust_list(0x555561684660, 24) = 0
rseq(0x555561684ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1495970731", 4096) = 28
getrandom("\xb5\xf3\x79\xef\xb0\x60\x64\xdf", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555561684d00
brk(0x5555616a5d00) = 0x5555616a5d00
brk(0x5555616a6000) = 0x5555616a6000
mprotect(0x7f9ba5e08000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
mkdir("./syzkaller.KxVB6S", 0700) = 0
chmod("./syzkaller.KxVB6S", 0777) = 0
chdir("./syzkaller.KxVB6S") = 0
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5822 attached
<unfinished ...>
[pid 5822] set_robust_list(0x555561684660, 24 <unfinished ...>
[pid 5821] <... clone resumed>, child_tidptr=0x555561684650) = 5822
[pid 5822] <... set_robust_list resumed>) = 0
[pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5822] getppid() = 0
[pid 5822] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 5822] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 5822] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 5822] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 5822] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 5822] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 5822] unshare(CLONE_NEWNS) = 0
[pid 5822] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 5822] unshare(CLONE_NEWIPC) = 0
[pid 5822] unshare(CLONE_NEWCGROUP) = 0
[pid 5822] unshare(CLONE_NEWUTS) = 0
[pid 5822] unshare(CLONE_SYSVSEM) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "16777216", 8) = 8
[pid 5822] close(3) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "536870912", 9) = 9
[pid 5822] close(3) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "1024", 4) = 4
[pid 5822] close(3) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "8192", 4) = 4
[pid 5822] close(3) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "1024", 4) = 4
[pid 5822] close(3) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "1024", 4) = 4
[pid 5822] close(3) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "1024 1048576 500 1024", 21) = 21
[pid 5822] close(3) = 0
[pid 5822] getpid() = 1
[pid 5822] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 5822] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 5822] unshare(CLONE_NEWNET) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "0 65535", 7) = 7
[pid 5822] close(3) = 0
[pid 5822] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid 5822] write(3, "100000", 6) = 6
[pid 5822] close(3) = 0
[pid 5822] mkdir("./syz-tmp", 0777) = 0
[pid 5822] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid 5822] mkdir("./syz-tmp/newroot", 0777) = 0
[pid 5822] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid 5822] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 5822] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid 5822] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid 5822] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid 5822] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 5822] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 5822] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid 5822] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 5822] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 5822] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 5822] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 5822] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid 5822] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 5822] mkdir("./syz-tmp/pivot", 0777) = 0
[pid 5822] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 5822] chdir("/") = 0
[pid 5822] umount2("./pivot", MNT_DETACH) = 0
[pid 5822] chroot("./newroot") = 0
[pid 5822] chdir("/") = 0
[pid 5822] mkdir("/dev/gadgetfs", 0777) = 0
[pid 5822] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid 5822] mkdir("/dev/binderfs", 0777) = 0
[pid 5822] mount("binder", "/dev/binderfs", "binder", 0, NULL) = -1 ENODEV (No such device)
[pid 5822] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 5822] mkdir("./0", 0777) = 0
[pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 5822] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 5822] close(3) = 0
[pid 5822] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5827 attached
<unfinished ...>
[pid 5827] set_robust_list(0x555561684660, 24) = 0
[pid 5827] chdir("./0" <unfinished ...>
[pid 5822] <... clone resumed>, child_tidptr=0x555561684650) = 2
[pid 5827] <... chdir resumed>) = 0
[pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5827] setpgid(0, 0) = 0
[pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5827] write(3, "1000", 4) = 4
[pid 5827] close(3) = 0
[pid 5827] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5827] write(1, "executing program\n", 18executing program
) = 18
[pid 5827] memfd_create("syzkaller", 0) = 3
[pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9b9d800000
[pid 5827] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x01\x00\x01\x00\x00\x00\x00\x00\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216
[pid 5827] munmap(0x7f9b9d800000, 138412032) = 0
[pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5827] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5827] close(3) = 0
[pid 5827] close(4) = 0
[pid 5827] mkdir("./file1", 0777) = 0
syzkaller login: [ 78.713484][ T5827] loop0: detected capacity change from 0 to 32768
[ 78.757833][ T5827] =======================================================
[ 78.757833][ T5827] WARNING: The mand mount option has been deprecated and
[ 78.757833][ T5827] and is ignored by this kernel. Remove the mand
[ 78.757833][ T5827] option from the mount to silence this warning.
[ 78.757833][ T5827] =======================================================
[pid 5827] mount("/dev/loop0", "./file1", "ocfs2", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_STRICTATIME, "acl,heartbeat=none,errors=remount-ro,coherency=full,preferred_slot=00000000000000000001,localflocks,"...) = 0
[pid 5827] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5827] chdir("./file1") = 0
[pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 78.822565][ T5827] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
[pid 5827] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid 5827] mount(NULL, "./file0", "overlay", 0, "lowerdir=./file0:/") = 0
[pid 5827] close(3) = 0
[pid 5827] close(4) = -1 EBADF (Bad file descriptor)
[pid 5827] close(5) = -1 EBADF (Bad file descriptor)
[pid 5827] close(6) = -1 EBADF (Bad file descriptor)
[pid 5827] close(7) = -1 EBADF (Bad file descriptor)
[pid 5827] close(8) = -1 EBADF (Bad file descriptor)
[pid 5827] close(9) = -1 EBADF (Bad file descriptor)
[pid 5827] close(10) = -1 EBADF (Bad file descriptor)
[pid 5827] close(11) = -1 EBADF (Bad file descriptor)
[pid 5827] close(12) = -1 EBADF (Bad file descriptor)
[pid 5827] close(13) = -1 EBADF (Bad file descriptor)
[pid 5827] close(14) = -1 EBADF (Bad file descriptor)
[pid 5827] close(15) = -1 EBADF (Bad file descriptor)
[pid 5827] close(16) = -1 EBADF (Bad file descriptor)
[pid 5827] close(17) = -1 EBADF (Bad file descriptor)
[pid 5827] close(18) = -1 EBADF (Bad file descriptor)
[pid 5827] close(19) = -1 EBADF (Bad file descriptor)
[pid 5827] close(20) = -1 EBADF (Bad file descriptor)
[pid 5827] close(21) = -1 EBADF (Bad file descriptor)
[pid 5827] close(22) = -1 EBADF (Bad file descriptor)
[pid 5827] close(23) = -1 EBADF (Bad file descriptor)
[pid 5827] close(24) = -1 EBADF (Bad file descriptor)
[pid 5827] close(25) = -1 EBADF (Bad file descriptor)
[pid 5827] close(26) = -1 EBADF (Bad file descriptor)
[pid 5827] close(27) = -1 EBADF (Bad file descriptor)
[pid 5827] close(28) = -1 EBADF (Bad file descriptor)
[pid 5827] close(29) = -1 EBADF (Bad file descriptor)
[pid 5827] exit_group(0) = ?
[pid 5827] +++ exited with 0 +++
[pid 5822] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=18 /* 0.18 s */} ---
[pid 5822] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 5822] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 5822] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5822] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid 5822] getdents64(3, 0x5555616856f0 /* 4 entries */, 32768) = 112
[pid 5822] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid 5822] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0755, st_size=312, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 5822] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid 5822] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 5822] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=312, ...}, AT_EMPTY_PATH) = 0
[pid 5822] getdents64(4, 0x55556168d730 /* 4 entries */, 32768) = 112
[pid 5822] umount2("\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x31\x2f\x2e\x01", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ELOOP (Too many levels of symbolic links)
[pid 5822] newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x66\x69\x6c\x65\x31\x2f\x2e\x01", 0x7fffce7898e0, AT_SYMLINK_NOFOLLOW) = -1 ELOOP (Too many levels of symbolic links)
[pid 5822] exit_group(1) = ?
[ 78.940640][ T5822] VFS: Lookup of '.' in ocfs2 loop0 would have caused loop
[ 78.950204][ T5822] VFS: Lookup of '.' in ocfs2 loop0 would have caused loop
[ 78.987869][ T5822] ocfs2: Unmounting device (7,0) on (node local)
[ 79.003378][ T5822] VFS: Busy inodes after unmount of loop0 (ocfs2)
[ 79.003647][ T5822] ------------[ cut here ]------------
[ 79.015683][ T5822] kernel BUG at fs/super.c:652!
[ 79.021336][ T5822] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[ 79.028295][ T5822] CPU: 0 UID: 0 PID: 5822 Comm: syz-executor149 Not tainted 6.14.0-rc4-syzkaller-00015-g2a1944bff549 #0
[ 79.039498][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 79.049835][ T5822] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0
[ 79.056012][ T5822] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 09 0f ee ff 48 8b 13 48 c7 c7 80 93 38 8c 4c 89 e6 e8 27 a0 ee fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 79.075615][ T5822] RSP: 0018:ffffc90003c5fb80 EFLAGS: 00010246
[ 79.081691][ T5822] RAX: 000000000000002f RBX: ffffffff8f058660 RCX: 6f20425d46cd7600
[ 79.089701][ T5822] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 79.097676][ T5822] RBP: 1ffff1100fb090f0 R08: ffffffff81a1139c R09: 1ffff9200078bf0c
[ 79.105652][ T5822] R10: dffffc0000000000 R11: fffff5200078bf0d R12: ffff88807d848668
[ 79.113627][ T5822] R13: dffffc0000000000 R14: ffffffff8c69ec38 R15: ffff88807d848780
[ 79.121602][ T5822] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 79.130535][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.137141][ T5822] CR2: 00007f9ba5dd7ff8 CR3: 0000000078d62000 CR4: 00000000003526f0
[ 79.145145][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.153205][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.161180][ T5822] Call Trace:
[ 79.164463][ T5822] <TASK>
[ 79.167399][ T5822] ? __die_body+0x5f/0xb0
[ 79.171829][ T5822] ? die+0x9e/0xc0
[ 79.175561][ T5822] ? do_trap+0x15a/0x3a0
[ 79.179811][ T5822] ? generic_shutdown_super+0x2ca/0x2d0
[ 79.185366][ T5822] ? do_error_trap+0x1dc/0x2c0
[ 79.190917][ T5822] ? generic_shutdown_super+0x2ca/0x2d0
[ 79.196555][ T5822] ? lockdep_hardirqs_on+0x99/0x150
[ 79.201771][ T5822] ? __pfx_do_error_trap+0x10/0x10
[ 79.206887][ T5822] ? report_bug+0x3e8/0x500
[ 79.211399][ T5822] ? handle_invalid_op+0x34/0x40
[ 79.216338][ T5822] ? generic_shutdown_super+0x2ca/0x2d0
[ 79.221888][ T5822] ? exc_invalid_op+0x38/0x50
[ 79.226574][ T5822] ? asm_exc_invalid_op+0x1a/0x20
[ 79.231606][ T5822] ? __wake_up_klogd+0xcc/0x110
[ 79.236481][ T5822] ? generic_shutdown_super+0x2ca/0x2d0
[ 79.242037][ T5822] kill_block_super+0x44/0x90
[ 79.246726][ T5822] deactivate_locked_super+0xc4/0x130
[ 79.252115][ T5822] cleanup_mnt+0x41f/0x4b0
[ 79.256544][ T5822] ? lockdep_hardirqs_on+0x99/0x150
[ 79.261755][ T5822] task_work_run+0x24f/0x310
[ 79.266361][ T5822] ? __pfx_task_work_run+0x10/0x10
[ 79.271482][ T5822] ? do_exit+0xa25/0x28e0
[ 79.275833][ T5822] ? do_exit+0xa25/0x28e0
[ 79.280170][ T5822] do_exit+0xa2a/0x28e0
[ 79.284348][ T5822] ? __pfx_do_exit+0x10/0x10
[ 79.288952][ T5822] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 79.294950][ T5822] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 79.301329][ T5822] ? _raw_spin_unlock_irq+0x23/0x50
[ 79.306626][ T5822] ? lockdep_hardirqs_on+0x99/0x150
[ 79.311865][ T5822] do_group_exit+0x207/0x2c0
[ 79.316475][ T5822] __x64_sys_exit_group+0x3f/0x40
[ 79.321561][ T5822] x64_sys_call+0x26a8/0x26b0
[ 79.326256][ T5822] do_syscall_64+0xf3/0x230
[ 79.330768][ T5822] ? clear_bhb_loop+0x35/0x90
[ 79.335547][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.341467][ T5822] RIP: 0033:0x7f9ba5d8d709
[ 79.345919][ T5822] Code: Unable to access opcode bytes at 0x7f9ba5d8d6df.
[ 79.353135][ T5822] RSP: 002b:00007fffce789858 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 79.362024][ T5822] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9ba5d8d709
[ 79.370115][ T5822] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 79.378101][ T5822] RBP: 00007f9ba5e0e370 R08: ffffffffffffffb8 R09: 0000000000000000
[ 79.386111][ T5822] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f9ba5e0e370
[ 79.394097][ T5822] R13: 0000000000000000 R14: 00007f9ba5e0f0e0 R15: 00007f9ba5d5b690
[ 79.402100][ T5822] </TASK>
[ 79.405128][ T5822] Modules linked in:
[ 79.409513][ T5822] ---[ end trace 0000000000000000 ]---
[ 79.415443][ T5822] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0
[ 79.421678][ T5822] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 09 0f ee ff 48 8b 13 48 c7 c7 80 93 38 8c 4c 89 e6 e8 27 a0 ee fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 79.441456][ T5822] RSP: 0018:ffffc90003c5fb80 EFLAGS: 00010246
[ 79.447581][ T5822] RAX: 000000000000002f RBX: ffffffff8f058660 RCX: 6f20425d46cd7600
[ 79.455673][ T5822] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 79.463720][ T5822] RBP: 1ffff1100fb090f0 R08: ffffffff81a1139c R09: 1ffff9200078bf0c
[ 79.472336][ T5822] R10: dffffc0000000000 R11: fffff5200078bf0d R12: ffff88807d848668
[ 79.480383][ T5822] R13: dffffc0000000000 R14: ffffffff8c69ec38 R15: ffff88807d848780
[ 79.488429][ T5822] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 79.497475][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.504111][ T5822] CR2: 00007f9ba5dd7ff8 CR3: 0000000078d62000 CR4: 00000000003526f0
[ 79.512130][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.520165][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.528164][ T5822] Kernel panic - not syncing: Fatal exception
[ 79.534471][ T5822] Kernel Offset: disabled
[ 79.538802][ T5822] Rebooting in 86400 seconds..