./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3888670276

<...>
Warning: Permanently added '10.128.1.25' (ED25519) to the list of known hosts.
execve("./syz-executor3888670276", ["./syz-executor3888670276"], 0x7ffe2e2e8a10 /* 10 vars */) = 0
brk(NULL)                               = 0x555590a75000
brk(0x555590a75d00)                     = 0x555590a75d00
arch_prctl(ARCH_SET_FS, 0x555590a75380) = 0
set_tid_address(0x555590a75650)         = 296
set_robust_list(0x555590a75660, 24)     = 0
rseq(0x555590a75ca0, 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-executor3888670276", 4096) = 28
getrandom("\x40\xb5\x75\x8e\x1f\x64\x40\x65", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555590a75d00
brk(0x555590a96d00)                     = 0x555590a96d00
brk(0x555590a97000)                     = 0x555590a97000
mprotect(0x7f577cd63000, 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
getrandom("\x37\x02\xf4\x8a\xe2\xde\xd7\x96", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.xSqB1e", 0700)       = 0
chmod("./syzkaller.xSqB1e", 0777)       = 0
chdir("./syzkaller.xSqB1e")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555590a75650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x555590a75660, 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
[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/newroot/syz-inputs", 0700) = 0
[pid   297] 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   297] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   297] chdir("/")                  = 0
[   24.844641][   T30] audit: type=1400 audit(1739193053.367:66): avc:  denied  { execmem } for  pid=296 comm="syz-executor388" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.864680][   T30] audit: type=1400 audit(1739193053.367:67): avc:  denied  { mounton } for  pid=297 comm="syz-executor388" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   297] umount2("./pivot", MNT_DETACH) = 0
[pid   297] chroot("./newroot")         = 0
[pid   297] chdir("/")                  = 0
[pid   297] mkdir("/dev/gadgetfs", 0777) = 0
[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=0x555590a75650) = 2
./strace-static-x86_64: Process 298 attached
[   24.886587][   T30] audit: type=1400 audit(1739193053.387:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor388" path="/root/syzkaller.xSqB1e/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   24.911560][   T30] audit: type=1400 audit(1739193053.387:69): avc:  denied  { mount } for  pid=297 comm="syz-executor388" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   24.914455][  T297] request_module fs-gadgetfs succeeded, but still no fs?
[pid   298] set_robust_list(0x555590a75660, 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", 4executing program
)         = 4
[pid   298] close(3)                    = 0
[pid   298] symlink("/dev/binderfs", "./binderfs") = 0
[pid   298] write(1, "executing program\n", 18) = 18
[pid   298] mkdirat(AT_FDCWD, "./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] 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, 0x555590a766f0 /* 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, 0x555590a7e730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555590a7e730 /* 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, 0x555590a7e730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555590a7e730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.index")         = 0
[   24.934531][   T30] audit: type=1400 audit(1739193053.387:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor388" path="/root/syzkaller.xSqB1e/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
[   24.950335][  T298] incfs: ino conflict with backing FS 9
[   24.966602][   T30] audit: type=1400 audit(1739193053.407:71): avc:  denied  { mount } for  pid=297 comm="syz-executor388" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   24.993200][  T297] ------------[ cut here ]------------
[   24.993643][   T30] audit: type=1400 audit(1739193053.407:72): avc:  denied  { mounton } for  pid=297 comm="syz-executor388" path="/root/syzkaller.xSqB1e/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
[   24.998480][  T297] WARNING: CPU: 1 PID: 297 at fs/inode.c:307 drop_nlink+0xc1/0x110
[   25.025011][   T30] audit: type=1400 audit(1739193053.407:73): avc:  denied  { mounton } for  pid=297 comm="syz-executor388" path="/root/syzkaller.xSqB1e/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1593 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.033138][  T297] Modules linked in:
[   25.060198][   T30] audit: type=1400 audit(1739193053.407:74): avc:  denied  { unmount } for  pid=297 comm="syz-executor388" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.064094][  T297] CPU: 1 PID: 297 Comm: syz-executor388 Not tainted 5.15.178-syzkaller-00193-g058abb720bd1 #0
[   25.083373][   T30] audit: type=1400 audit(1739193053.437:75): avc:  denied  { mounton } for  pid=297 comm="syz-executor388" path="/dev/gadgetfs" dev="devtmpfs" ino=514 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   25.116164][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   25.126030][  T297] RIP: 0010:drop_nlink+0xc1/0x110
[   25.130844][  T297] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 a7 f2 f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4f 8b ae ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   25.150404][  T297] RSP: 0018:ffffc90000977bc8 EFLAGS: 00010293
[   25.156326][  T297] RAX: ffffffff81c1e161 RBX: 0000000000000000 RCX: ffff88811cd24f00
[   25.164113][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.171920][  T297] RBP: ffffc90000977bf0 R08: ffffffff81c1e0e4 R09: 0000000000000003
[   25.179709][  T297] R10: fffff5200012ef68 R11: dffffc0000000001 R12: dffffc0000000000
[   25.187553][  T297] R13: 1ffff110247fd3ee R14: ffff888123fe9f28 R15: ffff888123fe9f70
[   25.195381][  T297] FS:  0000555590a75380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   25.204131][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.210519][  T297] CR2: 000055cd9f1cb178 CR3: 0000000123e80000 CR4: 00000000003506a0
[   25.218395][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.226162][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.234002][  T297] Call Trace:
[   25.237083][  T297]  <TASK>
[   25.239855][  T297]  ? show_regs+0x58/0x60
[   25.243965][  T297]  ? __warn+0x160/0x2f0
[   25.247927][  T297]  ? drop_nlink+0xc1/0x110
[   25.252206][  T297]  ? report_bug+0x3d9/0x5b0
[   25.256519][  T297]  ? drop_nlink+0xc1/0x110
[   25.260770][  T297]  ? handle_bug+0x41/0x70
[   25.264968][  T297]  ? exc_invalid_op+0x1b/0x50
[   25.269467][  T297]  ? asm_exc_invalid_op+0x1b/0x20
[   25.274343][  T297]  ? drop_nlink+0x44/0x110
[   25.278564][  T297]  ? drop_nlink+0xc1/0x110
[   25.282851][  T297]  ? drop_nlink+0xc1/0x110
[   25.287077][  T297]  ? drop_nlink+0xc1/0x110
[   25.291355][  T297]  shmem_rmdir+0x59/0x90
[   25.295401][  T297]  vfs_rmdir+0x324/0x470
[   25.299500][  T297]  incfs_kill_sb+0x113/0x230
[   25.303940][  T297]  deactivate_locked_super+0xad/0x110
[   25.309118][  T297]  deactivate_super+0xbe/0xf0
[   25.313692][  T297]  cleanup_mnt+0x45c/0x510
[   25.317890][  T297]  __cleanup_mnt+0x19/0x20
[   25.322177][  T297]  task_work_run+0x129/0x190
[   25.326564][  T297]  ptrace_notify+0x29e/0x350
[   25.331023][  T297]  ? do_notify_parent+0xa30/0xa30
[   25.335849][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   25.340911][  T297]  ? __x64_sys_umount+0x122/0x170
[   25.345749][  T297]  ? path_umount+0xea0/0xea0
[   25.350175][  T297]  syscall_exit_to_user_mode+0xa3/0x160
[   25.355581][  T297]  do_syscall_64+0x47/0xb0
[   25.359825][  T297]  ? clear_bhb_loop+0x35/0x90
[   25.364468][  T297]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   25.370137][  T297] RIP: 0033:0x7f577ccf0a87
[   25.374473][  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
[   25.393879][  T297] RSP: 002b:00007ffd92a853f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.402108][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f577ccf0a87
[   25.409890][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd92a854b0
[   25.418358][  T297] RBP: 00007ffd92a854b0 R08: 0000000000000000 R09: 0000000000000000
[   25.426166][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd92a86520
[   25.433971][  T297] R13: 0000555590a766c0 R14: 00007ffd92a86520 R15: 0000000000000001
[   25.441781][  T297]  </TASK>
[   25.444620][  T297] ---[ end trace a49336779af4ce6c ]---
[   25.449955][  T297] ==================================================================
[   25.457814][  T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   25.463886][  T297] Write of size 4 at addr 0000000000000170 by task syz-executor388/297
[   25.471960][  T297] 
[   25.474131][  T297] CPU: 1 PID: 297 Comm: syz-executor388 Tainted: G        W         5.15.178-syzkaller-00193-g058abb720bd1 #0
[   25.485585][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   25.495479][  T297] Call Trace:
[   25.498605][  T297]  <TASK>
[   25.501389][  T297]  dump_stack_lvl+0x151/0x1c0
[   25.506402][  T297]  ? io_uring_drop_tctx_refs+0x190/0x190
[   25.512303][  T297]  ? _raw_spin_lock+0xa4/0x1b0
[   25.516990][  T297]  ? _raw_spin_trylock_bh+0x190/0x190
[   25.522189][  T297]  kasan_report+0x16f/0x1c0
[   25.526527][  T297]  ? ihold+0x20/0x60
[   25.530260][  T297]  ? ihold+0x20/0x60
[   25.533990][  T297]  kasan_check_range+0x293/0x2a0
[   25.538766][  T297]  __kasan_check_write+0x14/0x20
[   25.543674][  T297]  ihold+0x20/0x60
[   25.547209][  T297]  vfs_rmdir+0x201/0x470
[   25.551292][  T297]  incfs_kill_sb+0x113/0x230
[   25.555717][  T297]  deactivate_locked_super+0xad/0x110
[   25.560923][  T297]  deactivate_super+0xbe/0xf0
[   25.565439][  T297]  cleanup_mnt+0x45c/0x510
[   25.569693][  T297]  __cleanup_mnt+0x19/0x20
[   25.573948][  T297]  task_work_run+0x129/0x190
[   25.578370][  T297]  ptrace_notify+0x29e/0x350
[   25.582794][  T297]  ? do_notify_parent+0xa30/0xa30
[   25.587656][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   25.592698][  T297]  ? __x64_sys_umount+0x122/0x170
[   25.597549][  T297]  ? path_umount+0xea0/0xea0
[   25.601979][  T297]  syscall_exit_to_user_mode+0xa3/0x160
[   25.607359][  T297]  do_syscall_64+0x47/0xb0
[   25.611615][  T297]  ? clear_bhb_loop+0x35/0x90
[   25.616125][  T297]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   25.621853][  T297] RIP: 0033:0x7f577ccf0a87
[   25.626110][  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
[   25.646329][  T297] RSP: 002b:00007ffd92a853f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.654577][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f577ccf0a87
[   25.662385][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd92a854b0
[   25.670199][  T297] RBP: 00007ffd92a854b0 R08: 0000000000000000 R09: 0000000000000000
[   25.678009][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd92a86520
[   25.685820][  T297] R13: 0000555590a766c0 R14: 00007ffd92a86520 R15: 0000000000000001
[   25.693638][  T297]  </TASK>
[   25.696500][  T297] ==================================================================
[   25.704396][  T297] Disabling lock debugging due to kernel taint
[   25.710490][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   25.718024][  T297] #PF: supervisor write access in kernel mode
[   25.723923][  T297] #PF: error_code(0x0002) - not-present page
[   25.729752][  T297] PGD 0 P4D 0 
[   25.732948][  T297] Oops: 0002 [#1] PREEMPT SMP KASAN
[   25.737983][  T297] CPU: 1 PID: 297 Comm: syz-executor388 Tainted: G    B   W         5.15.178-syzkaller-00193-g058abb720bd1 #0
[   25.749440][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   25.759336][  T297] RIP: 0010:ihold+0x25/0x60
[   25.763672][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 61 83 ae ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 ea 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 86 ae
[   25.783548][  T297] RSP: 0018:ffffc90000977c08 EFLAGS: 00010246
[   25.789452][  T297] RAX: ffff88811cd24f00 RBX: 0000000000000001 RCX: ffff88811cd24f00
[   25.797269][  T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   25.805854][  T297] RBP: ffffc90000977c18 R08: ffffffff8141a9ab R09: 0000000000000003
[   25.813666][  T297] R10: fffffbfff0e9aa4c R11: dffffc0000000001 R12: dffffc0000000000
[   25.821479][  T297] R13: ffff888121173ee0 R14: 0000000000000000 R15: 1ffff1102422e7e2
[   25.829290][  T297] FS:  0000555590a75380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   25.838055][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.844480][  T297] CR2: 0000000000000170 CR3: 0000000123e80000 CR4: 00000000003506a0
[   25.852297][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.860103][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.868348][  T297] Call Trace:
[   25.871480][  T297]  <TASK>
[   25.874252][  T297]  ? __die_body+0x62/0xb0
[   25.878415][  T297]  ? __die+0x7e/0x90
[   25.882147][  T297]  ? page_fault_oops+0x7f9/0xa90
[   25.886922][  T297]  ? __kasan_check_write+0x14/0x20
[   25.891872][  T297]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   25.897247][  T297]  ? __schedule+0xcd4/0x1590
[   25.901683][  T297]  ? exc_page_fault+0x510/0x7f0
[   25.906971][  T297]  ? asm_exc_page_fault+0x27/0x30
[   25.911833][  T297]  ? check_panic_on_warn+0x5b/0xb0
[   25.916777][  T297]  ? ihold+0x25/0x60
[   25.920508][  T297]  ? ihold+0x20/0x60
[   25.924252][  T297]  vfs_rmdir+0x201/0x470
[   25.928324][  T297]  incfs_kill_sb+0x113/0x230
[   25.932748][  T297]  deactivate_locked_super+0xad/0x110
[   25.937958][  T297]  deactivate_super+0xbe/0xf0
[   25.942468][  T297]  cleanup_mnt+0x45c/0x510
[   25.946728][  T297]  __cleanup_mnt+0x19/0x20
[   25.950974][  T297]  task_work_run+0x129/0x190
[   25.955400][  T297]  ptrace_notify+0x29e/0x350
[   25.959827][  T297]  ? do_notify_parent+0xa30/0xa30
[   25.964688][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   25.969728][  T297]  ? __x64_sys_umount+0x122/0x170
[   25.974582][  T297]  ? path_umount+0xea0/0xea0
[   25.979009][  T297]  syscall_exit_to_user_mode+0xa3/0x160
[   25.984911][  T297]  do_syscall_64+0x47/0xb0
[   25.989163][  T297]  ? clear_bhb_loop+0x35/0x90
[   25.993676][  T297]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   25.999409][  T297] RIP: 0033:0x7f577ccf0a87
[   26.003657][  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
[   26.023108][  T297] RSP: 002b:00007ffd92a853f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   26.031344][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f577ccf0a87
[   26.039155][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd92a854b0
[   26.046969][  T297] RBP: 00007ffd92a854b0 R08: 0000000000000000 R09: 0000000000000000
[   26.054776][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd92a86520
[   26.062589][  T297] R13: 0000555590a766c0 R14: 00007ffd92a86520 R15: 0000000000000001
[   26.070403][  T297]  </TASK>
[   26.073266][  T297] Modules linked in:
[   26.077018][  T297] CR2: 0000000000000170
[   26.081020][  T297] ---[ end trace a49336779af4ce6d ]---
[   26.086283][  T297] RIP: 0010:ihold+0x25/0x60
[   26.090624][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 61 83 ae ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 ea 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 86 ae
[   26.110151][  T297] RSP: 0018:ffffc90000977c08 EFLAGS: 00010246
[   26.116052][  T297] RAX: ffff88811cd24f00 RBX: 0000000000000001 RCX: ffff88811cd24f00
[   26.123866][  T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   26.131865][  T297] RBP: ffffc90000977c18 R08: ffffffff8141a9ab R09: 0000000000000003
[   26.139836][  T297] R10: fffffbfff0e9aa4c R11: dffffc0000000001 R12: dffffc0000000000
[   26.147654][  T297] R13: ffff888121173ee0 R14: 0000000000000000 R15: 1ffff1102422e7e2
[   26.155459][  T297] FS:  0000555590a75380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.164221][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.170646][  T297] CR2: 0000000000000170 CR3: 0000000123e80000 CR4: 00000000003506a0
[   26.178459][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.186268][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.194088][  T297] Kernel panic - not syncing: Fatal exception
[   26.200223][  T297] Kernel Offset: disabled
[   26.204350][  T297] Rebooting in 86400 seconds..