./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3711900603

<...>
[   12.378008][   T30] audit: type=1400 audit(1734855124.278:64): avc:  denied  { rlimitinh } for  pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.382539][   T30] audit: type=1400 audit(1734855124.278:65): avc:  denied  { siginh } for  pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts.
execve("./syz-executor3711900603", ["./syz-executor3711900603"], 0x7ffcd255b4d0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557b7e8000
brk(0x55557b7e8d00)                     = 0x55557b7e8d00
arch_prctl(ARCH_SET_FS, 0x55557b7e8380) = 0
set_tid_address(0x55557b7e8650)         = 293
set_robust_list(0x55557b7e8660, 24)     = 0
rseq(0x55557b7e8ca0, 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-executor3711900603", 4096) = 28
getrandom("\x93\xa4\x74\x69\xc9\xda\x32\x67", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557b7e8d00
brk(0x55557b809d00)                     = 0x55557b809d00
brk(0x55557b80a000)                     = 0x55557b80a000
mprotect(0x7f95c2de9000, 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
mkdir("./syzkaller.jm4LgG", 0700)       = 0
chmod("./syzkaller.jm4LgG", 0777)       = 0
chdir("./syzkaller.jm4LgG")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b7e8650) = 294
./strace-static-x86_64: Process 294 attached
[pid   294] set_robust_list(0x55557b7e8660, 24) = 0
[pid   294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   294] getppid()                   = 0
[pid   294] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   294] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   294] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   294] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   294] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   294] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   294] unshare(CLONE_NEWNS)        = 0
[pid   294] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   294] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   294] unshare(CLONE_NEWCGROUP)    = 0
[pid   294] unshare(CLONE_NEWUTS)       = 0
[pid   294] unshare(CLONE_SYSVSEM)      = 0
[pid   294] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   294] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   294] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   294] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   294] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   294] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   294] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   294] getpid()                    = 1
[pid   294] 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   294] 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   294] unshare(CLONE_NEWNET)       = 0
[pid   294] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   294] write(3, "0 65535", 7)      = 7
[pid   294] close(3)                    = 0
[pid   294] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   294] write(3, "100000", 6)       = 6
[pid   294] close(3)                    = 0
[pid   294] mkdir("./syz-tmp", 0777)    = 0
[pid   294] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   294] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   294] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   294] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   294] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   294] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   294] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   294] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   294] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   294] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   294] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   294] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   294] 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   294] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   294] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   294] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   294] chdir("/")                  = 0
[   21.861481][   T30] audit: type=1400 audit(1734855133.778:66): avc:  denied  { execmem } for  pid=293 comm="syz-executor371" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.870559][   T30] audit: type=1400 audit(1734855133.788:67): avc:  denied  { mounton } for  pid=294 comm="syz-executor371" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   294] umount2("./pivot", MNT_DETACH) = 0
[pid   294] chroot("./newroot")         = 0
[pid   294] chdir("/")                  = 0
[pid   294] mkdir("/dev/gadgetfs", 0777) = 0
[pid   294] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   294] mkdir("/dev/binderfs", 0777) = 0
[pid   294] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   294] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   294] mkdir("./0", 0777)          = 0
[pid   294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557b7e8650) = 2
./strace-static-x86_64: Process 295 attached
[pid   295] set_robust_list(0x55557b7e8660, 24) = 0
[pid   295] chdir("./0")                = 0
[pid   295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   295] setpgid(0, 0)               = 0
[pid   295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   295] write(3, "1000", 4)         = 4
[pid   295] close(3)                    = 0
[pid   295] symlink("/dev/binderfs", "./binderfs") = 0
[pid   295] write(1, "executing program\n", 18executing program
) = 18
[pid   295] mkdir("./file0", 000)       = 0
[pid   295] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[   21.891362][   T30] audit: type=1400 audit(1734855133.808:68): avc:  denied  { mounton } for  pid=294 comm="syz-executor371" path="/root/syzkaller.jm4LgG/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   21.915786][   T30] audit: type=1400 audit(1734855133.808:69): avc:  denied  { mount } for  pid=294 comm="syz-executor371" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   21.918649][  T294] request_module fs-gadgetfs succeeded, but still no fs?
[pid   295] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   295] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   295] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   295] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   295] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   295] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   295] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   295] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   295] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   295] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   295] exit_group(0)               = ?
[pid   295] +++ exited with 0 +++
[pid   294] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   294] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   294] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   294] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   294] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   294] getdents64(3, 0x55557b7e96f0 /* 6 entries */, 32768) = 176
[pid   294] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   294] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   294] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   294] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   294] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   294] getdents64(4, 0x55557b7f1730 /* 2 entries */, 32768) = 48
[pid   294] getdents64(4, 0x55557b7f1730 /* 0 entries */, 32768) = 0
[pid   294] close(4)                    = 0
[pid   294] rmdir("./0/.incomplete")    = 0
[pid   294] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   294] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   294] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   294] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   294] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   294] getdents64(4, 0x55557b7f1730 /* 2 entries */, 32768) = 48
[pid   294] getdents64(4, 0x55557b7f1730 /* 0 entries */, 32768) = 0
[pid   294] close(4)                    = 0
[pid   294] rmdir("./0/.index")         = 0
[   21.938238][   T30] audit: type=1400 audit(1734855133.808:70): avc:  denied  { mounton } for  pid=294 comm="syz-executor371" path="/root/syzkaller.jm4LgG/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   21.957980][  T295] incfs: ino conflict with backing FS 8
[   21.969986][   T30] audit: type=1400 audit(1734855133.808:71): avc:  denied  { mount } for  pid=294 comm="syz-executor371" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   21.996845][   T30] audit: type=1400 audit(1734855133.808:72): avc:  denied  { mounton } for  pid=294 comm="syz-executor371" path="/root/syzkaller.jm4LgG/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
[   22.023433][   T30] audit: type=1400 audit(1734855133.808:73): avc:  denied  { mounton } for  pid=294 comm="syz-executor371" path="/root/syzkaller.jm4LgG/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14903 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   22.023841][  T294] ------------[ cut here ]------------
[   22.050853][   T30] audit: type=1400 audit(1734855133.808:74): avc:  denied  { unmount } for  pid=294 comm="syz-executor371" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   22.056169][  T294] WARNING: CPU: 1 PID: 294 at fs/inode.c:307 drop_nlink+0xc1/0x110
[   22.075734][   T30] audit: type=1400 audit(1734855133.838:75): avc:  denied  { mounton } for  pid=294 comm="syz-executor371" path="/dev/gadgetfs" dev="devtmpfs" ino=514 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   22.106224][  T294] Modules linked in:
[   22.109963][  T294] CPU: 1 PID: 294 Comm: syz-executor371 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   22.120075][  T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.129915][  T294] RIP: 0010:drop_nlink+0xc1/0x110
[   22.134742][  T294] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 97 f4 f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4f 9a ae ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   22.154208][  T294] RSP: 0018:ffffc90000a67bc8 EFLAGS: 00010293
[   22.160094][  T294] RAX: ffffffff81c1cc61 RBX: 0000000000000000 RCX: ffff88810ca28000
[   22.167913][  T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.175702][  T294] RBP: ffffc90000a67bf0 R08: ffffffff81c1cbe4 R09: 0000000000000003
[   22.183632][  T294] R10: fffff5200014cf68 R11: dffffc0000000001 R12: dffffc0000000000
[   22.191434][  T294] R13: 1ffff11023698b73 R14: ffff88811b4c5b50 R15: ffff88811b4c5b98
[   22.199282][  T294] FS:  000055557b7e8380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.208004][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.214417][  T294] CR2: 000055aed3c1c338 CR3: 0000000121781000 CR4: 00000000003506a0
[   22.222257][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.230145][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.237968][  T294] Call Trace:
[   22.241060][  T294]  <TASK>
[   22.243836][  T294]  ? show_regs+0x58/0x60
[   22.247985][  T294]  ? __warn+0x160/0x2f0
[   22.251908][  T294]  ? drop_nlink+0xc1/0x110
[   22.256158][  T294]  ? report_bug+0x3d9/0x5b0
[   22.260545][  T294]  ? drop_nlink+0xc1/0x110
[   22.264752][  T294]  ? handle_bug+0x41/0x70
[   22.268949][  T294]  ? exc_invalid_op+0x1b/0x50
[   22.273433][  T294]  ? asm_exc_invalid_op+0x1b/0x20
[   22.278753][  T294]  ? drop_nlink+0x44/0x110
[   22.282979][  T294]  ? drop_nlink+0xc1/0x110
[   22.287269][  T294]  ? drop_nlink+0xc1/0x110
[   22.291486][  T294]  ? drop_nlink+0xc1/0x110
[   22.295757][  T294]  shmem_rmdir+0x59/0x90
[   22.299849][  T294]  vfs_rmdir+0x324/0x470
[   22.303897][  T294]  incfs_kill_sb+0x113/0x230
[   22.308354][  T294]  deactivate_locked_super+0xad/0x110
[   22.313553][  T294]  deactivate_super+0xbe/0xf0
[   22.318069][  T294]  cleanup_mnt+0x45c/0x510
[   22.322298][  T294]  __cleanup_mnt+0x19/0x20
[   22.326545][  T294]  task_work_run+0x129/0x190
[   22.330998][  T294]  ptrace_notify+0x29e/0x350
[   22.335401][  T294]  ? do_notify_parent+0xa30/0xa30
[   22.340283][  T294]  ? user_path_at_empty+0x14e/0x1a0
[   22.345294][  T294]  ? __x64_sys_umount+0x122/0x170
[   22.350186][  T294]  ? path_umount+0xea0/0xea0
[   22.354599][  T294]  syscall_exit_to_user_mode+0xa3/0x160
[   22.359985][  T294]  do_syscall_64+0x47/0xb0
[   22.364216][  T294]  ? clear_bhb_loop+0x35/0x90
[   22.368757][  T294]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   22.374454][  T294] RIP: 0033:0x7f95c2d76a47
[   22.378731][  T294] 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
[   22.398178][  T294] RSP: 002b:00007ffc63847158 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.406393][  T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f95c2d76a47
[   22.414410][  T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc63847210
[   22.422205][  T294] RBP: 00007ffc63847210 R08: 0000000000000000 R09: 0000000000000000
[   22.430061][  T294] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc63848280
[   22.437835][  T294] R13: 000055557b7e96c0 R14: 00007ffc63848280 R15: 0000000000000001
[   22.445626][  T294]  </TASK>
[   22.448521][  T294] ---[ end trace 5d9e39d4b4479f0f ]---
[   22.453847][  T294] ==================================================================
[   22.461684][  T294] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   22.467757][  T294] Write of size 4 at addr 0000000000000170 by task syz-executor371/294
[   22.475827][  T294] 
[   22.478022][  T294] CPU: 1 PID: 294 Comm: syz-executor371 Tainted: G        W         5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   22.489453][  T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.499353][  T294] Call Trace:
[   22.502472][  T294]  <TASK>
[   22.505252][  T294]  dump_stack_lvl+0x151/0x1c0
[   22.509766][  T294]  ? io_uring_drop_tctx_refs+0x190/0x190
[   22.515325][  T294]  ? _raw_spin_lock+0xa4/0x1b0
[   22.519921][  T294]  ? _raw_spin_trylock_bh+0x190/0x190
[   22.525129][  T294]  kasan_report+0x16f/0x1c0
[   22.529488][  T294]  ? ihold+0x20/0x60
[   22.533198][  T294]  ? ihold+0x20/0x60
[   22.536931][  T294]  kasan_check_range+0x293/0x2a0
[   22.541706][  T294]  __kasan_check_write+0x14/0x20
[   22.546497][  T294]  ihold+0x20/0x60
[   22.550037][  T294]  vfs_rmdir+0x201/0x470
[   22.554117][  T294]  incfs_kill_sb+0x113/0x230
[   22.558541][  T294]  deactivate_locked_super+0xad/0x110
[   22.563751][  T294]  deactivate_super+0xbe/0xf0
[   22.568262][  T294]  cleanup_mnt+0x45c/0x510
[   22.572514][  T294]  __cleanup_mnt+0x19/0x20
[   22.576767][  T294]  task_work_run+0x129/0x190
[   22.583044][  T294]  ptrace_notify+0x29e/0x350
[   22.587463][  T294]  ? do_notify_parent+0xa30/0xa30
[   22.592328][  T294]  ? user_path_at_empty+0x14e/0x1a0
[   22.597356][  T294]  ? __x64_sys_umount+0x122/0x170
[   22.602217][  T294]  ? path_umount+0xea0/0xea0
[   22.606731][  T294]  syscall_exit_to_user_mode+0xa3/0x160
[   22.612113][  T294]  do_syscall_64+0x47/0xb0
[   22.616363][  T294]  ? clear_bhb_loop+0x35/0x90
[   22.620881][  T294]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   22.626606][  T294] RIP: 0033:0x7f95c2d76a47
[   22.630863][  T294] 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
[   22.650304][  T294] RSP: 002b:00007ffc63847158 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.658546][  T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f95c2d76a47
[   22.666361][  T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc63847210
[   22.674167][  T294] RBP: 00007ffc63847210 R08: 0000000000000000 R09: 0000000000000000
[   22.682169][  T294] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc63848280
[   22.689972][  T294] R13: 000055557b7e96c0 R14: 00007ffc63848280 R15: 0000000000000001
[   22.697874][  T294]  </TASK>
[   22.700756][  T294] ==================================================================
[   22.708636][  T294] Disabling lock debugging due to kernel taint
[   22.714710][  T294] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   22.722264][  T294] #PF: supervisor write access in kernel mode
[   22.728349][  T294] #PF: error_code(0x0002) - not-present page
[   22.734172][  T294] PGD 0 P4D 0 
[   22.737379][  T294] Oops: 0002 [#1] PREEMPT SMP KASAN
[   22.742414][  T294] CPU: 1 PID: 294 Comm: syz-executor371 Tainted: G    B   W         5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   22.753867][  T294] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.763934][  T294] RIP: 0010:ihold+0x25/0x60
[   22.768277][  T294] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 61 92 ae ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 ec f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 e4 95 ae
[   22.787717][  T294] RSP: 0018:ffffc90000a67c08 EFLAGS: 00010246
[   22.793628][  T294] RAX: ffff88810ca28000 RBX: 0000000000000001 RCX: ffff88810ca28000
[   22.801429][  T294] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   22.809242][  T294] RBP: ffffc90000a67c18 R08: ffffffff8141a43b R09: 0000000000000003
[   22.817060][  T294] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   22.824871][  T294] R13: ffff888120a52bb0 R14: 0000000000000000 R15: 1ffff1102414a57c
[   22.832678][  T294] FS:  000055557b7e8380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.841442][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.847863][  T294] CR2: 0000000000000170 CR3: 0000000121781000 CR4: 00000000003506a0
[   22.855763][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.863660][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.871469][  T294] Call Trace:
[   22.874598][  T294]  <TASK>
[   22.877374][  T294]  ? __die_body+0x62/0xb0
[   22.881541][  T294]  ? __die+0x7e/0x90
[   22.885278][  T294]  ? page_fault_oops+0x7f9/0xa90
[   22.890045][  T294]  ? __kasan_check_write+0x14/0x20
[   22.895002][  T294]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   22.900372][  T294]  ? vprintk_emit+0x16b/0x340
[   22.904887][  T294]  ? vprintk_store+0x1620/0x1620
[   22.909660][  T294]  ? vprintk_store+0x1620/0x1620
[   22.914434][  T294]  ? exc_page_fault+0x510/0x7f0
[   22.919126][  T294]  ? asm_exc_page_fault+0x27/0x30
[   22.923981][  T294]  ? check_panic_on_warn+0x5b/0xb0
[   22.928929][  T294]  ? ihold+0x25/0x60
[   22.932658][  T294]  ? ihold+0x20/0x60
[   22.936391][  T294]  vfs_rmdir+0x201/0x470
[   22.940479][  T294]  incfs_kill_sb+0x113/0x230
[   22.944899][  T294]  deactivate_locked_super+0xad/0x110
[   22.950110][  T294]  deactivate_super+0xbe/0xf0
[   22.954627][  T294]  cleanup_mnt+0x45c/0x510
[   22.958870][  T294]  __cleanup_mnt+0x19/0x20
[   22.963125][  T294]  task_work_run+0x129/0x190
[   22.967550][  T294]  ptrace_notify+0x29e/0x350
[   22.971977][  T294]  ? do_notify_parent+0xa30/0xa30
[   22.976837][  T294]  ? user_path_at_empty+0x14e/0x1a0
[   22.981869][  T294]  ? __x64_sys_umount+0x122/0x170
[   22.986755][  T294]  ? path_umount+0xea0/0xea0
[   22.991158][  T294]  syscall_exit_to_user_mode+0xa3/0x160
[   22.996540][  T294]  do_syscall_64+0x47/0xb0
[   23.000790][  T294]  ? clear_bhb_loop+0x35/0x90
[   23.005301][  T294]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   23.011033][  T294] RIP: 0033:0x7f95c2d76a47
[   23.015285][  T294] 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
[   23.034728][  T294] RSP: 002b:00007ffc63847158 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.042971][  T294] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f95c2d76a47
[   23.050781][  T294] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc63847210
[   23.058594][  T294] RBP: 00007ffc63847210 R08: 0000000000000000 R09: 0000000000000000
[   23.066402][  T294] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc63848280
[   23.074217][  T294] R13: 000055557b7e96c0 R14: 00007ffc63848280 R15: 0000000000000001
[   23.082028][  T294]  </TASK>
[   23.084889][  T294] Modules linked in:
[   23.088641][  T294] CR2: 0000000000000170
[   23.092625][  T294] ---[ end trace 5d9e39d4b4479f10 ]---
[   23.097911][  T294] RIP: 0010:ihold+0x25/0x60
[   23.102249][  T294] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 61 92 ae ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 ec f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 e4 95 ae
[   23.121717][  T294] RSP: 0018:ffffc90000a67c08 EFLAGS: 00010246
[   23.127591][  T294] RAX: ffff88810ca28000 RBX: 0000000000000001 RCX: ffff88810ca28000
[   23.135404][  T294] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   23.143218][  T294] RBP: ffffc90000a67c18 R08: ffffffff8141a43b R09: 0000000000000003
[   23.151122][  T294] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   23.158930][  T294] R13: ffff888120a52bb0 R14: 0000000000000000 R15: 1ffff1102414a57c
[   23.166738][  T294] FS:  000055557b7e8380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   23.175508][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.181939][  T294] CR2: 0000000000000170 CR3: 0000000121781000 CR4: 00000000003506a0
[   23.189737][  T294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.197548][  T294] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.205372][  T294] Kernel panic - not syncing: Fatal exception
[   23.211513][  T294] Kernel Offset: disabled
[   23.215641][  T294] Rebooting in 86400 seconds..