./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1021721815

<...>
Warning: Permanently added '10.128.1.132' (ED25519) to the list of known hosts.
execve("./syz-executor1021721815", ["./syz-executor1021721815"], 0x7ffebafbb350 /* 10 vars */) = 0
brk(NULL)                               = 0x55557c1c3000
brk(0x55557c1c3d00)                     = 0x55557c1c3d00
arch_prctl(ARCH_SET_FS, 0x55557c1c3380) = 0
set_tid_address(0x55557c1c3650)         = 296
set_robust_list(0x55557c1c3660, 24)     = 0
rseq(0x55557c1c3ca0, 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-executor1021721815", 4096) = 28
getrandom("\x9d\xb8\xc1\xd0\x31\x52\x1c\x7b", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557c1c3d00
brk(0x55557c1e4d00)                     = 0x55557c1e4d00
brk(0x55557c1e5000)                     = 0x55557c1e5000
mprotect(0x7f78b4fae000, 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.IN9OEV", 0700)       = 0
chmod("./syzkaller.IN9OEV", 0777)       = 0
chdir("./syzkaller.IN9OEV")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c1c3650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x55557c1c3660, 24) = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] getppid()                   = 0
[pid   297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   297] unshare(CLONE_NEWNS)        = 0
[pid   297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   297] unshare(CLONE_NEWCGROUP)    = 0
[pid   297] unshare(CLONE_NEWUTS)       = 0
[pid   297] unshare(CLONE_SYSVSEM)      = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] getpid()                    = 1
[pid   297] 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   297] 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   297] unshare(CLONE_NEWNET)       = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "0 65535", 7)      = 7
[pid   297] close(3)                    = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "100000", 6)       = 6
[pid   297] close(3)                    = 0
[pid   297] mkdir("./syz-tmp", 0777)    = 0
[   25.394402][   T30] audit: type=1400 audit(1734889172.514:66): avc:  denied  { execmem } for  pid=296 comm="syz-executor102" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   25.418191][   T30] audit: type=1400 audit(1734889172.544:67): avc:  denied  { mounton } for  pid=297 comm="syz-executor102" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   297] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   297] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] 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   297] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   297] chdir("/")                  = 0
[pid   297] umount2("./pivot", MNT_DETACH) = 0
[pid   297] chroot("./newroot")         = 0
[pid   297] chdir("/")                  = 0
[pid   297] mkdir("/dev/gadgetfs", 0777) = 0
[   25.446557][   T30] audit: type=1400 audit(1734889172.574:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor102" path="/root/syzkaller.IN9OEV/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   25.470949][   T30] audit: type=1400 audit(1734889172.574:69): avc:  denied  { mount } for  pid=297 comm="syz-executor102" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   297] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   297] mkdir("/dev/binderfs", 0777) = 0
[pid   297] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   297] mkdir("./0", 0777)          = 0
[pid   297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c1c3650) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x55557c1c3660, 24) = 0
[pid   298] chdir("./0")                = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] setpgid(0, 0)               = 0
[pid   298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "1000", 4)         = 4
[pid   298] close(3)                    = 0
[pid   298] symlink("/dev/binderfs", "./binderfs"executing program
) = 0
[pid   298] write(1, "executing program\n", 18) = 18
[pid   298] mkdir("./file0", 000)       = 0
[pid   298] mount(".", "./file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   298] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   298] exit_group(0)               = ?
[pid   298] +++ exited with 0 +++
[pid   297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   297] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(3, 0x55557c1c46f0 /* 6 entries */, 32768) = 176
[pid   297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(4, 0x55557c1cc730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x55557c1cc730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.incomplete")    = 0
[pid   297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(4, 0x55557c1cc730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x55557c1cc730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.index")         = 0
[   25.472651][  T297] request_module fs-gadgetfs succeeded, but still no fs?
[   25.493265][   T30] audit: type=1400 audit(1734889172.584:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor102" path="/root/syzkaller.IN9OEV/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
[   25.507444][  T298] incfs: ino conflict with backing FS 8
[   25.525141][   T30] audit: type=1400 audit(1734889172.584:71): avc:  denied  { mount } for  pid=297 comm="syz-executor102" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   25.551986][  T297] ------------[ cut here ]------------
[   25.552200][   T30] audit: type=1400 audit(1734889172.584:72): avc:  denied  { mounton } for  pid=297 comm="syz-executor102" path="/root/syzkaller.IN9OEV/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
[   25.557421][  T297] WARNING: CPU: 1 PID: 297 at fs/inode.c:307 drop_nlink+0xc1/0x110
[   25.583749][   T30] audit: type=1400 audit(1734889172.584:73): avc:  denied  { mounton } for  pid=297 comm="syz-executor102" path="/root/syzkaller.IN9OEV/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1566 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.583775][   T30] audit: type=1400 audit(1734889172.584:74): avc:  denied  { unmount } for  pid=297 comm="syz-executor102" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.591642][  T297] Modules linked in:
[   25.618822][   T30] audit: type=1400 audit(1734889172.594:75): avc:  denied  { mounton } for  pid=297 comm="syz-executor102" path="/dev/gadgetfs" dev="devtmpfs" ino=514 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   25.664698][  T297] 
[   25.666813][  T297] CPU: 0 PID: 297 Comm: syz-executor102 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   25.676866][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   25.686764][  T297] RIP: 0010:drop_nlink+0xc1/0x110
[   25.691607][  T297] 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
[   25.711068][  T297] RSP: 0018:ffffc90000957bc8 EFLAGS: 00010293
[   25.716958][  T297] RAX: ffffffff81c1cc61 RBX: 0000000000000000 RCX: ffff8881256e13c0
[   25.724762][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.732597][  T297] RBP: ffffc90000957bf0 R08: ffffffff81c1cbe4 R09: 0000000000000003
[   25.740395][  T297] R10: fffff5200012af68 R11: dffffc0000000001 R12: dffffc0000000000
[   25.748298][  T297] R13: 1ffff11024ea090c R14: ffff888127504818 R15: ffff888127504860
[   25.756104][  T297] FS:  000055557c1c3380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.764858][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.771297][  T297] CR2: 000055911b4590d8 CR3: 0000000127499000 CR4: 00000000003506b0
[   25.779109][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.786922][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.794716][  T297] Call Trace:
[   25.797956][  T297]  <TASK>
[   25.800621][  T297]  ? show_regs+0x58/0x60
[   25.804696][  T297]  ? __warn+0x160/0x2f0
[   25.808732][  T297]  ? drop_nlink+0xc1/0x110
[   25.812945][  T297]  ? report_bug+0x3d9/0x5b0
[   25.817298][  T297]  ? drop_nlink+0xc1/0x110
[   25.821535][  T297]  ? handle_bug+0x41/0x70
[   25.825735][  T297]  ? exc_invalid_op+0x1b/0x50
[   25.830216][  T297]  ? asm_exc_invalid_op+0x1b/0x20
[   25.835074][  T297]  ? drop_nlink+0x44/0x110
[   25.839355][  T297]  ? drop_nlink+0xc1/0x110
[   25.843582][  T297]  ? drop_nlink+0xc1/0x110
[   25.847853][  T297]  ? drop_nlink+0xc1/0x110
[   25.852085][  T297]  shmem_rmdir+0x59/0x90
[   25.856197][  T297]  vfs_rmdir+0x324/0x470
[   25.860247][  T297]  incfs_kill_sb+0x113/0x230
[   25.864670][  T297]  deactivate_locked_super+0xad/0x110
[   25.869900][  T297]  deactivate_super+0xbe/0xf0
[   25.874393][  T297]  cleanup_mnt+0x45c/0x510
[   25.878684][  T297]  __cleanup_mnt+0x19/0x20
[   25.882896][  T297]  task_work_run+0x129/0x190
[   25.887343][  T297]  ptrace_notify+0x29e/0x350
[   25.891749][  T297]  ? do_notify_parent+0xa30/0xa30
[   25.896637][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   25.901644][  T297]  ? __x64_sys_umount+0x122/0x170
[   25.906521][  T297]  ? path_umount+0xea0/0xea0
[   25.910931][  T297]  syscall_exit_to_user_mode+0xa3/0x160
[   25.916328][  T297]  do_syscall_64+0x47/0xb0
[   25.920563][  T297]  ? clear_bhb_loop+0x35/0x90
[   25.925075][  T297]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   25.930827][  T297] RIP: 0033:0x7f78b4f3ba47
[   25.935058][  T297] 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
[   25.954526][  T297] RSP: 002b:00007fff34f02358 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.962755][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f78b4f3ba47
[   25.970573][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff34f02410
[   25.978378][  T297] RBP: 00007fff34f02410 R08: 0000000000000000 R09: 0000000000000000
[   25.986197][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff34f03480
[   25.994076][  T297] R13: 000055557c1c46c0 R14: 00007fff34f03480 R15: 0000000000000001
[   26.001906][  T297]  </TASK>
[   26.004754][  T297] ---[ end trace 51715cd2ac03c6fc ]---
[   26.010107][  T297] ==================================================================
[   26.017945][  T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   26.024019][  T297] Write of size 4 at addr 0000000000000170 by task syz-executor102/297
[   26.032095][  T297] 
[   26.034266][  T297] CPU: 1 PID: 297 Comm: syz-executor102 Tainted: G        W         5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   26.045715][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   26.055611][  T297] Call Trace:
[   26.058736][  T297]  <TASK>
[   26.061514][  T297]  dump_stack_lvl+0x151/0x1c0
[   26.066025][  T297]  ? io_uring_drop_tctx_refs+0x190/0x190
[   26.071495][  T297]  ? _raw_spin_lock+0xa4/0x1b0
[   26.076098][  T297]  ? _raw_spin_trylock_bh+0x190/0x190
[   26.081304][  T297]  kasan_report+0x16f/0x1c0
[   26.085641][  T297]  ? ihold+0x20/0x60
[   26.089374][  T297]  ? ihold+0x20/0x60
[   26.093105][  T297]  kasan_check_range+0x293/0x2a0
[   26.097881][  T297]  __kasan_check_write+0x14/0x20
[   26.102651][  T297]  ihold+0x20/0x60
[   26.106211][  T297]  vfs_rmdir+0x201/0x470
[   26.110295][  T297]  incfs_kill_sb+0x113/0x230
[   26.114716][  T297]  deactivate_locked_super+0xad/0x110
[   26.119923][  T297]  deactivate_super+0xbe/0xf0
[   26.124525][  T297]  cleanup_mnt+0x45c/0x510
[   26.128776][  T297]  __cleanup_mnt+0x19/0x20
[   26.133028][  T297]  task_work_run+0x129/0x190
[   26.137458][  T297]  ptrace_notify+0x29e/0x350
[   26.141887][  T297]  ? do_notify_parent+0xa30/0xa30
[   26.146743][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   26.151778][  T297]  ? __x64_sys_umount+0x122/0x170
[   26.156636][  T297]  ? path_umount+0xea0/0xea0
[   26.161071][  T297]  syscall_exit_to_user_mode+0xa3/0x160
[   26.166446][  T297]  do_syscall_64+0x47/0xb0
[   26.170697][  T297]  ? clear_bhb_loop+0x35/0x90
[   26.175209][  T297]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   26.180938][  T297] RIP: 0033:0x7f78b4f3ba47
[   26.185196][  T297] 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
[   26.204634][  T297] RSP: 002b:00007fff34f02358 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   26.212877][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f78b4f3ba47
[   26.220690][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff34f02410
[   26.228501][  T297] RBP: 00007fff34f02410 R08: 0000000000000000 R09: 0000000000000000
[   26.236312][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff34f03480
[   26.244121][  T297] R13: 000055557c1c46c0 R14: 00007fff34f03480 R15: 0000000000000001
[   26.251937][  T297]  </TASK>
[   26.254799][  T297] ==================================================================
[   26.262695][  T297] Disabling lock debugging due to kernel taint
[   26.268769][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   26.276323][  T297] #PF: supervisor write access in kernel mode
[   26.282226][  T297] #PF: error_code(0x0002) - not-present page
[   26.288045][  T297] PGD 0 P4D 0 
[   26.291252][  T297] Oops: 0002 [#1] PREEMPT SMP KASAN
[   26.296286][  T297] CPU: 1 PID: 297 Comm: syz-executor102 Tainted: G    B   W         5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   26.307742][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   26.317636][  T297] RIP: 0010:ihold+0x25/0x60
[   26.321975][  T297] 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
[   26.341419][  T297] RSP: 0018:ffffc90000957c08 EFLAGS: 00010246
[   26.347319][  T297] RAX: ffff8881256e1300 RBX: 0000000000000001 RCX: ffff8881256e13c0
[   26.355133][  T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   26.362944][  T297] RBP: ffffc90000957c18 R08: ffffffff8141a43b R09: 0000000000000003
[   26.370754][  T297] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   26.378564][  T297] R13: ffff888120f01220 R14: 0000000000000000 R15: 1ffff110241e024a
[   26.386375][  T297] FS:  000055557c1c3380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.395142][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.401564][  T297] CR2: 0000000000000170 CR3: 0000000127499000 CR4: 00000000003506a0
[   26.409377][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.417187][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.425000][  T297] Call Trace:
[   26.428132][  T297]  <TASK>
[   26.430901][  T297]  ? __die_body+0x62/0xb0
[   26.435071][  T297]  ? __die+0x7e/0x90
[   26.438799][  T297]  ? page_fault_oops+0x7f9/0xa90
[   26.443571][  T297]  ? __kasan_check_write+0x14/0x20
[   26.448522][  T297]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   26.453899][  T297]  ? __schedule+0xcd4/0x1590
[   26.458331][  T297]  ? exc_page_fault+0x510/0x7f0
[   26.463017][  T297]  ? asm_exc_page_fault+0x27/0x30
[   26.467876][  T297]  ? check_panic_on_warn+0x5b/0xb0
[   26.472823][  T297]  ? ihold+0x25/0x60
[   26.476554][  T297]  ? ihold+0x20/0x60
[   26.480285][  T297]  vfs_rmdir+0x201/0x470
[   26.484366][  T297]  incfs_kill_sb+0x113/0x230
[   26.488790][  T297]  deactivate_locked_super+0xad/0x110
[   26.493998][  T297]  deactivate_super+0xbe/0xf0
[   26.498514][  T297]  cleanup_mnt+0x45c/0x510
[   26.502765][  T297]  __cleanup_mnt+0x19/0x20
[   26.507015][  T297]  task_work_run+0x129/0x190
[   26.511445][  T297]  ptrace_notify+0x29e/0x350
[   26.515874][  T297]  ? do_notify_parent+0xa30/0xa30
[   26.520728][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   26.525764][  T297]  ? __x64_sys_umount+0x122/0x170
[   26.530625][  T297]  ? path_umount+0xea0/0xea0
[   26.535058][  T297]  syscall_exit_to_user_mode+0xa3/0x160
[   26.540438][  T297]  do_syscall_64+0x47/0xb0
[   26.544687][  T297]  ? clear_bhb_loop+0x35/0x90
[   26.549205][  T297]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   26.554930][  T297] RIP: 0033:0x7f78b4f3ba47
[   26.559268][  T297] 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
[   26.578708][  T297] RSP: 002b:00007fff34f02358 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   26.586953][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f78b4f3ba47
[   26.594766][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff34f02410
[   26.602574][  T297] RBP: 00007fff34f02410 R08: 0000000000000000 R09: 0000000000000000
[   26.610387][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff34f03480
[   26.618196][  T297] R13: 000055557c1c46c0 R14: 00007fff34f03480 R15: 0000000000000001
[   26.626012][  T297]  </TASK>
[   26.628874][  T297] Modules linked in:
[   26.632618][  T297] CR2: 0000000000000170
[   26.636605][  T297] ---[ end trace 51715cd2ac03c6fd ]---
[   26.641891][  T297] RIP: 0010:ihold+0x25/0x60
[   26.646374][  T297] 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
[   26.665758][  T297] RSP: 0018:ffffc90000957c08 EFLAGS: 00010246
[   26.671660][  T297] RAX: ffff8881256e1300 RBX: 0000000000000001 RCX: ffff8881256e13c0
[   26.679472][  T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   26.687284][  T297] RBP: ffffc90000957c18 R08: ffffffff8141a43b R09: 0000000000000003
[   26.695094][  T297] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   26.702904][  T297] R13: ffff888120f01220 R14: 0000000000000000 R15: 1ffff110241e024a
[   26.710722][  T297] FS:  000055557c1c3380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.719482][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.725905][  T297] CR2: 0000000000000170 CR3: 0000000127499000 CR4: 00000000003506a0
[   26.733717][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.741528][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.749345][  T297] Kernel panic - not syncing: Fatal exception
[   26.755296][  T297] Kernel Offset: disabled
[   26.759409][  T297] Rebooting in 86400 seconds..