./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4053071582

<...>
Warning: Permanently added '10.128.0.113' (ED25519) to the list of known hosts.
execve("./syz-executor4053071582", ["./syz-executor4053071582"], 0x7ffc522b6730 /* 10 vars */) = 0
brk(NULL)                               = 0x555595527000
brk(0x555595527d00)                     = 0x555595527d00
arch_prctl(ARCH_SET_FS, 0x555595527380) = 0
set_tid_address(0x555595527650)         = 357
set_robust_list(0x555595527660, 24)     = 0
rseq(0x555595527ca0, 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-executor4053071582", 4096) = 28
getrandom("\x8b\x88\xae\x74\x34\xf5\x29\xc5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555595527d00
brk(0x555595548d00)                     = 0x555595548d00
brk(0x555595549000)                     = 0x555595549000
mprotect(0x7efc2dc2f000, 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.Rz3N9i", 0700)       = 0
chmod("./syzkaller.Rz3N9i", 0777)       = 0
chdir("./syzkaller.Rz3N9i")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555595527650) = 359
./strace-static-x86_64: Process 359 attached
[pid   359] set_robust_list(0x555595527660, 24) = 0
[pid   359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   359] getppid()                   = 0
[pid   359] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   359] unshare(CLONE_NEWNS)        = 0
[   24.916126][   T23] audit: type=1400 audit(1739447984.320:66): avc:  denied  { execmem } for  pid=357 comm="syz-executor405" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   359] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   359] unshare(CLONE_NEWCGROUP)    = 0
[pid   359] unshare(CLONE_NEWUTS)       = 0
[pid   359] unshare(CLONE_SYSVSEM)      = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] getpid()                    = 1
[pid   359] 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, 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, inheritable=0}) = 0
[pid   359] 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, 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, inheritable=0}) = 0
[pid   359] unshare(CLONE_NEWNET)       = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "0 65535", 7)      = 7
[pid   359] close(3)                    = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "100000", 6)       = 6
[pid   359] close(3)                    = 0
[pid   359] mkdir("./syz-tmp", 0777)    = 0
[   24.967985][   T23] audit: type=1400 audit(1739447984.370:67): avc:  denied  { mounton } for  pid=359 comm="syz-executor405" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   359] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   359] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   359] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   359] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   359] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   359] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   359] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   359] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   359] 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   359] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   359] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   359] chdir("/")                  = 0
[   24.998994][   T23] audit: type=1400 audit(1739447984.400:68): avc:  denied  { mounton } for  pid=359 comm="syz-executor405" path="/root/syzkaller.Rz3N9i/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   25.023204][   T23] audit: type=1400 audit(1739447984.400:69): avc:  denied  { mount } for  pid=359 comm="syz-executor405" name="/" dev="tmpfs" ino=12414 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   359] umount2("./pivot", MNT_DETACH) = 0
[pid   359] chroot("./newroot")         = 0
[pid   359] chdir("/")                  = 0
[pid   359] mkdir("/dev/gadgetfs", 0777) = 0
[pid   359] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   359] mkdir("/dev/binderfs", 0777) = 0
[pid   359] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   359] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   359] mkdir("./0", 0777)          = 0
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555595527650) = 2
./strace-static-x86_64: Process 361 attached
[pid   361] set_robust_list(0x555595527660, 24) = 0
[pid   361] chdir("./0")                = 0
[pid   361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   361] setpgid(0, 0)               = 0
[pid   361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   361] write(3, "1000", 4)         = 4
[pid   361] close(3)                    = 0
[pid   361] symlink("/dev/binderfs", "./binderfs") = 0
[pid   361] write(1, "executing program\n", 18executing program
) = 18
[pid   361] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   361] mount(".", "./file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   361] mount("./file0", "./file0", "incremental-fs", MS_RDONLY, NULL) = 0
[pid   361] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(12)                   = -1 EBADF (Bad file descriptor)
[   25.045581][   T23] audit: type=1400 audit(1739447984.440:70): avc:  denied  { mounton } for  pid=359 comm="syz-executor405" path="/root/syzkaller.Rz3N9i/syz-tmp/newroot/dev" dev="tmpfs" ino=12416 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   25.071025][   T23] audit: type=1400 audit(1739447984.440:71): avc:  denied  { mount } for  pid=359 comm="syz-executor405" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   25.074616][  T359] request_module fs-gadgetfs succeeded, but still no fs?
[pid   361] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   361] exit_group(0)               = ?
[pid   361] +++ exited with 0 +++
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   359] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   359] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   359] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(3, 0x5555955286f0 /* 6 entries */, 32768) = 176
[pid   359] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   359] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(4, 0x555595530730 /* 2 entries */, 32768) = 48
[pid   359] getdents64(4, 0x555595530730 /* 0 entries */, 32768) = 0
[pid   359] close(4)                    = 0
[pid   359] rmdir("./0/.incomplete")    = 0
[pid   359] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   359] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(4, 0x555595530730 /* 2 entries */, 32768) = 48
[pid   359] getdents64(4, 0x555595530730 /* 0 entries */, 32768) = 0
[pid   359] close(4)                    = 0
[pid   359] rmdir("./0/.index")         = 0
[   25.092850][   T23] audit: type=1400 audit(1739447984.440:72): avc:  denied  { mounton } for  pid=359 comm="syz-executor405" path="/root/syzkaller.Rz3N9i/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[   25.126650][   T23] audit: type=1400 audit(1739447984.440:73): avc:  denied  { mounton } for  pid=359 comm="syz-executor405" path="/root/syzkaller.Rz3N9i/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=12421 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.154006][   T23] audit: type=1400 audit(1739447984.440:74): avc:  denied  { unmount } for  pid=359 comm="syz-executor405" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.154246][  T359] ------------[ cut here ]------------
[   25.173502][   T23] audit: type=1400 audit(1739447984.470:75): avc:  denied  { mounton } for  pid=359 comm="syz-executor405" path="/dev/gadgetfs" dev="devtmpfs" ino=12424 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   25.178706][  T359] WARNING: CPU: 1 PID: 359 at fs/inode.c:302 drop_nlink+0xbb/0x100
[   25.178713][  T359] Modules linked in:
[   25.212971][  T359] CPU: 1 PID: 359 Comm: syz-executor405 Not tainted 5.4.289-syzkaller-00011-g39762b7a60e9 #0
[   25.222958][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   25.232853][  T359] RIP: 0010:drop_nlink+0xbb/0x100
[   25.237707][  T359] Code: 49 8b 1e 48 8d bb d0 04 00 00 be 08 00 00 00 e8 9b 99 f2 ff f0 48 ff 83 d0 04 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 e5 db c2 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   25.257148][  T359] RSP: 0018:ffff8881ee8bfb68 EFLAGS: 00010293
[   25.263046][  T359] RAX: ffffffff81a16e8b RBX: 1ffff1103dc9d549 RCX: ffff8881ee8e2f40
[   25.270858][  T359] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.278684][  T359] RBP: 0000000000000000 R08: ffffffff81a16e0f R09: 0000000000000003
[   25.286481][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881ee4eaa48
[   25.294295][  T359] R13: dffffc0000000000 R14: ffff8881ee4eaa00 R15: dffffc0000000000
[   25.302163][  T359] FS:  0000555595527380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   25.310957][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.317383][  T359] CR2: 0000555595538738 CR3: 00000001ef225000 CR4: 00000000003406a0
[   25.325189][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.333004][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.340828][  T359] Call Trace:
[   25.343949][  T359]  ? __warn+0x162/0x250
[   25.347936][  T359]  ? report_bug+0x3a1/0x4e0
[   25.352273][  T359]  ? drop_nlink+0xbb/0x100
[   25.356538][  T359]  ? drop_nlink+0xbb/0x100
[   25.360780][  T359]  ? do_invalid_op+0x6e/0x110
[   25.365289][  T359]  ? invalid_op+0x1e/0x30
[   25.369458][  T359]  ? drop_nlink+0x3f/0x100
[   25.373709][  T359]  ? drop_nlink+0xbb/0x100
[   25.377966][  T359]  ? drop_nlink+0xbb/0x100
[   25.382223][  T359]  ? drop_nlink+0xbb/0x100
[   25.386471][  T359]  shmem_rmdir+0x54/0x80
[   25.390548][  T359]  vfs_rmdir+0x285/0x3c0
[   25.394629][  T359]  incfs_kill_sb+0x105/0x200
[   25.399057][  T359]  deactivate_locked_super+0xa8/0x110
[   25.404264][  T359]  deactivate_super+0x1e2/0x2a0
[   25.408949][  T359]  ? deactivate_locked_super+0x110/0x110
[   25.414415][  T359]  ? fast_dput+0x7a/0x280
[   25.418585][  T359]  cleanup_mnt+0x44e/0x500
[   25.422839][  T359]  task_work_run+0x140/0x170
[   25.427264][  T359]  ptrace_notify+0x29e/0x350
[   25.431693][  T359]  ? do_notify_parent+0xa10/0xa10
[   25.436548][  T359]  ? ksys_umount+0x3a6/0x410
[   25.440978][  T359]  ? namespace_unlock+0x4e0/0x4e0
[   25.445837][  T359]  ? fpu__clear+0x3c0/0x3c0
[   25.450178][  T359]  syscall_slow_exit_work+0x167/0x400
[   25.455383][  T359]  do_syscall_64+0x19d/0x1c0
[   25.459809][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   25.465549][  T359] RIP: 0033:0x7efc2dbbca87
[   25.469792][  T359] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.489231][  T359] RSP: 002b:00007ffff21cd568 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.497473][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007efc2dbbca87
[   25.505282][  T359] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff21cd620
[   25.513095][  T359] RBP: 00007ffff21cd620 R08: 0000000000000000 R09: 0000000000000000
[   25.520906][  T359] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffff21ce690
[   25.528717][  T359] R13: 00005555955286c0 R14: 00007ffff21ce690 R15: 0000000000000001
[   25.536531][  T359] ---[ end trace c979748f34585d03 ]---
[   25.542365][  T359] ==================================================================
[   25.550230][  T359] BUG: KASAN: null-ptr-deref in ihold+0x1b/0x50
[   25.556304][  T359] Write of size 4 at addr 0000000000000160 by task syz-executor405/359
[   25.564370][  T359] 
[   25.566562][  T359] CPU: 1 PID: 359 Comm: syz-executor405 Tainted: G        W         5.4.289-syzkaller-00011-g39762b7a60e9 #0
[   25.577915][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   25.587804][  T359] Call Trace:
[   25.590938][  T359]  dump_stack+0x1d8/0x241
[   25.595099][  T359]  ? panic+0x89d/0x89d
[   25.599019][  T359]  ? nf_ct_l4proto_log_invalid+0x258/0x258
[   25.604650][  T359]  ? _raw_spin_trylock_bh+0x190/0x190
[   25.609855][  T359]  ? _raw_spin_unlock+0x49/0x60
[   25.614539][  T359]  ? ihold+0x1b/0x50
[   25.618282][  T359]  __kasan_report+0xe9/0x120
[   25.622699][  T359]  ? ihold+0x1b/0x50
[   25.626430][  T359]  kasan_report+0x30/0x60
[   25.630596][  T359]  check_memory_region+0x272/0x280
[   25.635560][  T359]  ihold+0x1b/0x50
[   25.639103][  T359]  vfs_rmdir+0x1e0/0x3c0
[   25.643183][  T359]  incfs_kill_sb+0x105/0x200
[   25.647614][  T359]  deactivate_locked_super+0xa8/0x110
[   25.652815][  T359]  deactivate_super+0x1e2/0x2a0
[   25.657505][  T359]  ? deactivate_locked_super+0x110/0x110
[   25.662967][  T359]  ? fast_dput+0x7a/0x280
[   25.667141][  T359]  cleanup_mnt+0x44e/0x500
[   25.671401][  T359]  task_work_run+0x140/0x170
[   25.675820][  T359]  ptrace_notify+0x29e/0x350
[   25.680242][  T359]  ? do_notify_parent+0xa10/0xa10
[   25.685101][  T359]  ? ksys_umount+0x3a6/0x410
[   25.689528][  T359]  ? namespace_unlock+0x4e0/0x4e0
[   25.694402][  T359]  ? fpu__clear+0x3c0/0x3c0
[   25.698730][  T359]  syscall_slow_exit_work+0x167/0x400
[   25.703936][  T359]  do_syscall_64+0x19d/0x1c0
[   25.708362][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   25.714091][  T359] RIP: 0033:0x7efc2dbbca87
[   25.718343][  T359] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.737790][  T359] RSP: 002b:00007ffff21cd568 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.746028][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007efc2dbbca87
[   25.753838][  T359] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff21cd620
[   25.761652][  T359] RBP: 00007ffff21cd620 R08: 0000000000000000 R09: 0000000000000000
[   25.769460][  T359] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffff21ce690
[   25.777275][  T359] R13: 00005555955286c0 R14: 00007ffff21ce690 R15: 0000000000000001
[   25.785084][  T359] ==================================================================
[   25.792980][  T359] Disabling lock debugging due to kernel taint
[   25.801617][  T359] BUG: kernel NULL pointer dereference, address: 0000000000000160
[   25.809222][  T359] #PF: supervisor write access in kernel mode
[   25.815120][  T359] #PF: error_code(0x0002) - not-present page
[   25.820934][  T359] PGD 0 P4D 0 
[   25.824155][  T359] Oops: 0002 [#1] PREEMPT SMP KASAN
[   25.829192][  T359] CPU: 0 PID: 359 Comm: syz-executor405 Tainted: G    B   W         5.4.289-syzkaller-00011-g39762b7a60e9 #0
[   25.840552][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   25.850473][  T359] RIP: 0010:ihold+0x20/0x50
[   25.854790][  T359] Code: 0f 1f 84 00 00 00 00 00 66 90 55 53 48 89 fb e8 46 d4 c2 ff 48 8d bb 60 01 00 00 be 04 00 00 00 e8 d5 91 f2 ff bd 01 00 00 00 <f0> 0f c1 ab 60 01 00 00 ff c5 bf 02 00 00 00 89 ee e8 0a d7 c2 ff
[   25.874236][  T359] RSP: 0018:ffff8881ee8bfba0 EFLAGS: 00010246
[   25.880137][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881ee8e2f40
[   25.887947][  T359] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   25.895753][  T359] RBP: 0000000000000001 R08: ffffffff813ae535 R09: 0000000000000003
[   25.903565][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[   25.911371][  T359] R13: dffffc0000000000 R14: ffff8881ee4e91b8 R15: 0000000000000000
[   25.919183][  T359] FS:  0000555595527380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   25.927948][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.934369][  T359] CR2: 0000000000000160 CR3: 00000001ef225000 CR4: 00000000003406b0
[   25.942182][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.949992][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.957802][  T359] Call Trace:
[   25.960934][  T359]  ? __die+0xb4/0x100
[   25.964751][  T359]  ? no_context+0xac7/0xd20
[   25.969091][  T359]  ? is_prefetch+0x4b0/0x4b0
[   25.973524][  T359]  ? ihold+0x1b/0x50
[   25.977257][  T359]  ? __do_page_fault+0xa72/0xbb0
[   25.982022][  T359]  ? __bad_area_nosemaphore+0xc0/0x470
[   25.987320][  T359]  ? page_fault+0x2f/0x40
[   25.991492][  T359]  ? check_panic_on_warn+0x55/0xa0
[   25.996428][  T359]  ? ihold+0x20/0x50
[   26.000161][  T359]  vfs_rmdir+0x1e0/0x3c0
[   26.004241][  T359]  incfs_kill_sb+0x105/0x200
[   26.008670][  T359]  deactivate_locked_super+0xa8/0x110
[   26.013874][  T359]  deactivate_super+0x1e2/0x2a0
[   26.018561][  T359]  ? deactivate_locked_super+0x110/0x110
[   26.024030][  T359]  ? fast_dput+0x7a/0x280
[   26.028194][  T359]  cleanup_mnt+0x44e/0x500
[   26.032449][  T359]  task_work_run+0x140/0x170
[   26.036877][  T359]  ptrace_notify+0x29e/0x350
[   26.041304][  T359]  ? do_notify_parent+0xa10/0xa10
[   26.046161][  T359]  ? ksys_umount+0x3a6/0x410
[   26.050589][  T359]  ? namespace_unlock+0x4e0/0x4e0
[   26.055450][  T359]  ? fpu__clear+0x3c0/0x3c0
[   26.059789][  T359]  syscall_slow_exit_work+0x167/0x400
[   26.064996][  T359]  do_syscall_64+0x19d/0x1c0
[   26.069424][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   26.075164][  T359] RIP: 0033:0x7efc2dbbca87
[   26.079406][  T359] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   26.098843][  T359] RSP: 002b:00007ffff21cd568 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   26.107087][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007efc2dbbca87
[   26.114896][  T359] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff21cd620
[   26.122708][  T359] RBP: 00007ffff21cd620 R08: 0000000000000000 R09: 0000000000000000
[   26.130520][  T359] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffff21ce690
[   26.138329][  T359] R13: 00005555955286c0 R14: 00007ffff21ce690 R15: 0000000000000001
[   26.146141][  T359] Modules linked in:
[   26.149881][  T359] CR2: 0000000000000160
[   26.153872][  T359] ---[ end trace c979748f34585d04 ]---
[   26.159166][  T359] RIP: 0010:ihold+0x20/0x50
[   26.163502][  T359] Code: 0f 1f 84 00 00 00 00 00 66 90 55 53 48 89 fb e8 46 d4 c2 ff 48 8d bb 60 01 00 00 be 04 00 00 00 e8 d5 91 f2 ff bd 01 00 00 00 <f0> 0f c1 ab 60 01 00 00 ff c5 bf 02 00 00 00 89 ee e8 0a d7 c2 ff
[   26.182941][  T359] RSP: 0018:ffff8881ee8bfba0 EFLAGS: 00010246
[   26.188844][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881ee8e2f40
[   26.196657][  T359] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   26.204481][  T359] RBP: 0000000000000001 R08: ffffffff813ae535 R09: 0000000000000003
[   26.212286][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[   26.220095][  T359] R13: dffffc0000000000 R14: ffff8881ee4e91b8 R15: 0000000000000000
[   26.227911][  T359] FS:  0000555595527380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   26.236674][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.243097][  T359] CR2: 0000000000000160 CR3: 00000001ef225000 CR4: 00000000003406b0
[   26.250909][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.258714][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.266524][  T359] Kernel panic - not syncing: Fatal exception
[   26.272616][  T359] Kernel Offset: disabled
[   26.276737][  T359] Rebooting in 86400 seconds..