./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1918884374

<...>
Warning: Permanently added '10.128.0.202' (ED25519) to the list of known hosts.
execve("./syz-executor1918884374", ["./syz-executor1918884374"], 0x7ffe0d6d26a0 /* 10 vars */) = 0
brk(NULL)                               = 0x55557abed000
brk(0x55557abedd00)                     = 0x55557abedd00
arch_prctl(ARCH_SET_FS, 0x55557abed380) = 0
set_tid_address(0x55557abed650)         = 296
set_robust_list(0x55557abed660, 24)     = 0
rseq(0x55557abedca0, 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-executor1918884374", 4096) = 28
getrandom("\xf8\x49\x56\x24\x85\x0b\x57\x41", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557abedd00
brk(0x55557ac0ed00)                     = 0x55557ac0ed00
brk(0x55557ac0f000)                     = 0x55557ac0f000
mprotect(0x7f7a0d938000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
mkdir("./syzkaller.P4mJlV", 0700)       = 0
chmod("./syzkaller.P4mJlV", 0777)       = 0
chdir("./syzkaller.P4mJlV")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 297 attached
, child_tidptr=0x55557abed650) = 297
[pid   297] set_robust_list(0x55557abed660, 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
[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=0x55557abed650) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x55557abed660, 24) = 0
[pid   298] chdir("./0")                = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   27.349582][   T36] audit: type=1400 audit(1751241087.410:64): avc:  denied  { execmem } for  pid=296 comm="syz-executor191" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   27.369783][   T36] audit: type=1400 audit(1751241087.410:65): avc:  denied  { mounton } for  pid=297 comm="syz-executor191" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   298] setpgid(0, 0executing program
)               = 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") = 0
[pid   298] write(1, "executing program\n", 18) = 18
[pid   298] mkdir("./file0", 000)       = 0
[pid   298] open_tree(AT_FDCWD, "", OPEN_TREE_CLONE|OPEN_TREE_CLOEXEC|AT_SYMLINK_NOFOLLOW|AT_NO_AUTOMOUNT|AT_EMPTY_PATH) = 3
[pid   298] move_mount(3, ".", AT_FDCWD, "./file0", 0) = 0
[pid   298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   298] close(3)                    = 0
[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, 0x55557abee6f0 /* 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, 0x55557abf6730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x55557abf6730 /* 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, 0x55557abf6730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x55557abf6730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.index")         = 0
[   27.391665][   T36] audit: type=1400 audit(1751241087.440:66): avc:  denied  { mounton } for  pid=297 comm="syz-executor191" path="/root/syzkaller.P4mJlV/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   27.404118][  T298] incfs: ino conflict with backing FS 9
[   27.416984][   T36] audit: type=1400 audit(1751241087.440:67): avc:  denied  { mount } for  pid=297 comm="syz-executor191" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   27.444138][  T297] ------------[ cut here ]------------
[   27.444979][   T36] audit: type=1400 audit(1751241087.440:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor191" path="/root/syzkaller.P4mJlV/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
[   27.449697][  T297] WARNING: CPU: 1 PID: 297 at fs/inode.c:340 drop_nlink+0xce/0x110
[   27.475338][   T36] audit: type=1400 audit(1751241087.440:69): avc:  denied  { mount } for  pid=297 comm="syz-executor191" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   27.483012][  T297] Modules linked in:
[   27.505300][   T36] audit: type=1400 audit(1751241087.440:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor191" path="/root/syzkaller.P4mJlV/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
[   27.509058][  T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor191 Not tainted 6.12.30-syzkaller-g68f4f0b0690a #0 d2d57a621586a6800997b547ec5ef233d70fc6ad
[   27.535920][   T36] audit: type=1400 audit(1751241087.440:71): avc:  denied  { mounton } for  pid=297 comm="syz-executor191" path="/root/syzkaller.P4mJlV/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1572 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   27.549545][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.549576][  T297] RIP: 0010:drop_nlink+0xce/0x110
[   27.577547][   T36] audit: type=1400 audit(1751241087.440:72): avc:  denied  { unmount } for  pid=297 comm="syz-executor191" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   27.587917][  T297] Code: 04 00 00 be 08 00 00 00 e8 cf 55 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 58 98 9a 03 cc e8 92 5a 98 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[   27.593115][   T36] audit: type=1400 audit(1751241087.450:73): avc:  denied  { mounton } for  pid=297 comm="syz-executor191" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   27.612673][  T297] RSP: 0018:ffffc9000105fb20 EFLAGS: 00010293
[   27.663465][  T297] RAX: ffffffff81ed474e RBX: ffff88810375b838 RCX: ffff888102761300
[   27.671588][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   27.680246][  T297] RBP: ffffc9000105fb48 R08: 0000000000000003 R09: 0000000000000004
[   27.688287][  T297] R10: dffffc0000000000 R11: fffff5200020bf54 R12: dffffc0000000000
[   27.696268][  T297] R13: 1ffff110206eb710 R14: ffff88810375b880 R15: 0000000000000000
[   27.704283][  T297] FS:  000055557abed380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   27.713261][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.719877][  T297] CR2: 000055557abfe738 CR3: 0000000121aba000 CR4: 00000000003526b0
[   27.727887][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.735858][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.743865][  T297] Call Trace:
[   27.747160][  T297]  <TASK>
[   27.750136][  T297]  shmem_rmdir+0x5f/0x90
[   27.754414][  T297]  vfs_rmdir+0x3dd/0x560
[   27.758757][  T297]  incfs_kill_sb+0x109/0x230
[   27.763393][  T297]  deactivate_locked_super+0xd8/0x2a0
[   27.768934][  T297]  deactivate_super+0xb8/0xe0
[   27.773636][  T297]  cleanup_mnt+0x3f1/0x480
[   27.778161][  T297]  __cleanup_mnt+0x1d/0x40
[   27.782608][  T297]  task_work_run+0x1e0/0x250
[   27.787623][  T297]  ? __cfi_task_work_run+0x10/0x10
[   27.792785][  T297]  ? path_umount+0x34b/0xf40
[   27.797386][  T297]  ptrace_notify+0x23d/0x270
[   27.802029][  T297]  ? __cfi_ptrace_notify+0x10/0x10
[   27.807176][  T297]  ? putname+0x113/0x150
[   27.811500][  T297]  ? __x64_sys_umount+0x126/0x170
[   27.816552][  T297]  ? __cfi___x64_sys_umount+0x10/0x10
[   27.822128][  T297]  syscall_exit_work+0x86/0x160
[   27.827026][  T297]  syscall_exit_to_user_mode_prepare+0x22/0x40
[   27.833238][  T297]  syscall_exit_to_user_mode+0x15/0xb0
[   27.838750][  T297]  do_syscall_64+0x64/0xf0
[   27.843170][  T297]  ? clear_bhb_loop+0x50/0xa0
[   27.847971][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   27.853906][  T297] RIP: 0033:0x7f7a0d8c5ac7
[   27.858380][  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
[   27.878218][  T297] RSP: 002b:00007fff996b3398 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   27.886723][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7a0d8c5ac7
[   27.894868][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff996b3450
[   27.902901][  T297] RBP: 00007fff996b3450 R08: 0000000000000000 R09: 0000000000000000
[   27.910918][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff996b44c0
[   27.918949][  T297] R13: 000055557abee6c0 R14: 00007fff996b44c0 R15: 0000000000000001
[   27.926949][  T297]  </TASK>
[   27.930054][  T297] ---[ end trace 0000000000000000 ]---
[   27.935679][  T297] ==================================================================
[   27.943762][  T297] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   27.950036][  T297] Write of size 4 at addr 0000000000000168 by task syz-executor191/297
[   27.958277][  T297] 
[   27.960602][  T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor191 Tainted: G        W          6.12.30-syzkaller-g68f4f0b0690a #0 d2d57a621586a6800997b547ec5ef233d70fc6ad
[   27.960629][  T297] Tainted: [W]=WARN
[   27.960635][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.960646][  T297] Call Trace:
[   27.960652][  T297]  <TASK>
[   27.960659][  T297]  __dump_stack+0x21/0x30
[   27.960687][  T297]  dump_stack_lvl+0x10c/0x190
[   27.960706][  T297]  ? __cfi_dump_stack_lvl+0x10/0x10
[   27.960727][  T297]  print_report+0x3d/0x70
[   27.960742][  T297]  kasan_report+0x163/0x1a0
[   27.960767][  T297]  ? ihold+0x24/0x70
[   27.960791][  T297]  ? _raw_spin_unlock+0x45/0x60
[   27.960812][  T297]  ? ihold+0x24/0x70
[   27.960835][  T297]  kasan_check_range+0x299/0x2a0
[   27.960861][  T297]  __kasan_check_write+0x18/0x20
[   27.960880][  T297]  ihold+0x24/0x70
[   27.960902][  T297]  vfs_rmdir+0x26a/0x560
[   27.960919][  T297]  incfs_kill_sb+0x109/0x230
[   27.960940][  T297]  deactivate_locked_super+0xd8/0x2a0
[   27.960958][  T297]  deactivate_super+0xb8/0xe0
[   27.960974][  T297]  cleanup_mnt+0x3f1/0x480
[   27.960999][  T297]  __cleanup_mnt+0x1d/0x40
[   27.961022][  T297]  task_work_run+0x1e0/0x250
[   27.961039][  T297]  ? __cfi_task_work_run+0x10/0x10
[   27.961055][  T297]  ? path_umount+0x34b/0xf40
[   27.961073][  T297]  ptrace_notify+0x23d/0x270
[   27.961091][  T297]  ? __cfi_ptrace_notify+0x10/0x10
[   27.961108][  T297]  ? putname+0x113/0x150
[   27.961130][  T297]  ? __x64_sys_umount+0x126/0x170
[   27.961148][  T297]  ? __cfi___x64_sys_umount+0x10/0x10
[   27.961167][  T297]  syscall_exit_work+0x86/0x160
[   27.961184][  T297]  syscall_exit_to_user_mode_prepare+0x22/0x40
[   27.961201][  T297]  syscall_exit_to_user_mode+0x15/0xb0
[   27.961223][  T297]  do_syscall_64+0x64/0xf0
[   27.961237][  T297]  ? clear_bhb_loop+0x50/0xa0
[   27.961256][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   27.961274][  T297] RIP: 0033:0x7f7a0d8c5ac7
[   27.961288][  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
[   27.961301][  T297] RSP: 002b:00007fff996b3398 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   27.961319][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7a0d8c5ac7
[   27.961330][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff996b3450
[   27.961341][  T297] RBP: 00007fff996b3450 R08: 0000000000000000 R09: 0000000000000000
[   27.961352][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff996b44c0
[   27.961363][  T297] R13: 000055557abee6c0 R14: 00007fff996b44c0 R15: 0000000000000001
[   27.961377][  T297]  </TASK>
[   27.961383][  T297] ==================================================================
[   28.232713][  T297] Disabling lock debugging due to kernel taint
[   28.239366][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   28.247887][  T297] #PF: supervisor write access in kernel mode
[   28.253969][  T297] #PF: error_code(0x0002) - not-present page
[   28.260386][  T297] PGD 0 P4D 0 
[   28.263766][  T297] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   28.269840][  T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor191 Tainted: G    B   W          6.12.30-syzkaller-g68f4f0b0690a #0 d2d57a621586a6800997b547ec5ef233d70fc6ad
[   28.285118][  T297] Tainted: [B]=BAD_PAGE, [W]=WARN
[   28.290136][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   28.300205][  T297] RIP: 0010:ihold+0x2a/0x70
[   28.304732][  T297] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 7d 51 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 8c 4c ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 8d
[   28.324343][  T297] RSP: 0018:ffffc9000105fb60 EFLAGS: 00010246
[   28.330501][  T297] RAX: ffff888102761300 RBX: 0000000000000000 RCX: ffff888102761300
[   28.338470][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   28.346442][  T297] RBP: ffffc9000105fb70 R08: ffffffff88958947 R09: 1ffffffff112b128
[   28.354417][  T297] R10: dffffc0000000000 R11: fffffbfff112b129 R12: ffff88810375b844
[   28.362389][  T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   28.370363][  T297] FS:  000055557abed380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   28.379295][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.386318][  T297] CR2: 0000000000000168 CR3: 0000000121aba000 CR4: 00000000003526b0
[   28.394313][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.402293][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.410271][  T297] Call Trace:
[   28.413546][  T297]  <TASK>
[   28.416474][  T297]  vfs_rmdir+0x26a/0x560
[   28.420718][  T297]  incfs_kill_sb+0x109/0x230
[   28.425306][  T297]  deactivate_locked_super+0xd8/0x2a0
[   28.430679][  T297]  deactivate_super+0xb8/0xe0
[   28.435371][  T297]  cleanup_mnt+0x3f1/0x480
[   28.439794][  T297]  __cleanup_mnt+0x1d/0x40
[   28.444214][  T297]  task_work_run+0x1e0/0x250
[   28.448801][  T297]  ? __cfi_task_work_run+0x10/0x10
[   28.453914][  T297]  ? path_umount+0x34b/0xf40
[   28.458501][  T297]  ptrace_notify+0x23d/0x270
[   28.463120][  T297]  ? __cfi_ptrace_notify+0x10/0x10
[   28.468240][  T297]  ? putname+0x113/0x150
[   28.472512][  T297]  ? __x64_sys_umount+0x126/0x170
[   28.477563][  T297]  ? __cfi___x64_sys_umount+0x10/0x10
[   28.482947][  T297]  syscall_exit_work+0x86/0x160
[   28.487801][  T297]  syscall_exit_to_user_mode_prepare+0x22/0x40
[   28.493964][  T297]  syscall_exit_to_user_mode+0x15/0xb0
[   28.499425][  T297]  do_syscall_64+0x64/0xf0
[   28.503840][  T297]  ? clear_bhb_loop+0x50/0xa0
[   28.508516][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   28.514406][  T297] RIP: 0033:0x7f7a0d8c5ac7
[   28.518843][  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
[   28.538539][  T297] RSP: 002b:00007fff996b3398 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   28.546962][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f7a0d8c5ac7
[   28.555132][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff996b3450
[   28.563107][  T297] RBP: 00007fff996b3450 R08: 0000000000000000 R09: 0000000000000000
[   28.571078][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff996b44c0
[   28.579063][  T297] R13: 000055557abee6c0 R14: 00007fff996b44c0 R15: 0000000000000001
[   28.587048][  T297]  </TASK>
[   28.590071][  T297] Modules linked in:
[   28.593981][  T297] CR2: 0000000000000168
[   28.598133][  T297] ---[ end trace 0000000000000000 ]---
[   28.603612][  T297] RIP: 0010:ihold+0x2a/0x70
[   28.608151][  T297] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 7d 51 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 8c 4c ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 8d
[   28.627767][  T297] RSP: 0018:ffffc9000105fb60 EFLAGS: 00010246
[   28.633930][  T297] RAX: ffff888102761300 RBX: 0000000000000000 RCX: ffff888102761300
[   28.641994][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   28.649968][  T297] RBP: ffffc9000105fb70 R08: ffffffff88958947 R09: 1ffffffff112b128
[   28.657974][  T297] R10: dffffc0000000000 R11: fffffbfff112b129 R12: ffff88810375b844
[   28.665959][  T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   28.673939][  T297] FS:  000055557abed380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   28.682870][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.689456][  T297] CR2: 0000000000000168 CR3: 0000000121aba000 CR4: 00000000003526b0
[   28.697535][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.705937][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.713910][  T297] Kernel panic - not syncing: Fatal exception
[   28.720293][  T297] Kernel Offset: disabled
[   28.724617][  T297] Rebooting in 86400 seconds..