./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2495131832

<...>
Warning: Permanently added '10.128.0.8' (ED25519) to the list of known hosts.
execve("./syz-executor2495131832", ["./syz-executor2495131832"], 0x7ffcbf179810 /* 10 vars */) = 0
brk(NULL)                               = 0x55557c707000
brk(0x55557c707d00)                     = 0x55557c707d00
arch_prctl(ARCH_SET_FS, 0x55557c707380) = 0
set_tid_address(0x55557c707650)         = 297
set_robust_list(0x55557c707660, 24)     = 0
rseq(0x55557c707ca0, 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-executor2495131832", 4096) = 28
getrandom("\x37\x0a\x8e\xdd\xd1\x15\xa6\xf5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557c707d00
brk(0x55557c728d00)                     = 0x55557c728d00
brk(0x55557c729000)                     = 0x55557c729000
mprotect(0x7fb5127b5000, 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.3DTUJq", 0700)       = 0
chmod("./syzkaller.3DTUJq", 0777)       = 0
chdir("./syzkaller.3DTUJq")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 298 attached
, child_tidptr=0x55557c707650) = 298
[pid   298] set_robust_list(0x55557c707660, 24) = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] getppid()                   = 0
[pid   298] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   298] unshare(CLONE_NEWNS)        = 0
[pid   298] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   298] unshare(CLONE_NEWCGROUP)    = 0
[pid   298] unshare(CLONE_NEWUTS)       = 0
[pid   298] unshare(CLONE_SYSVSEM)      = 0
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] getpid()                    = 1
[pid   298] 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   298] 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   298] unshare(CLONE_NEWNET)       = 0
[pid   298] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "0 65535", 7)      = 7
[pid   298] close(3)                    = 0
[pid   298] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "100000", 6)       = 6
[pid   298] close(3)                    = 0
[pid   298] mkdir("./syz-tmp", 0777)    = 0
[pid   298] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[   25.653095][   T36] audit: type=1400 audit(1751268755.850:64): avc:  denied  { execmem } for  pid=297 comm="syz-executor249" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   25.679382][   T36] audit: type=1400 audit(1751268755.870:65): avc:  denied  { mounton } for  pid=298 comm="syz-executor249" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   298] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   298] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   298] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   298] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   298] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   298] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   298] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] 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   298] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   298] 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   298] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   298] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   298] chdir("/")                  = 0
[pid   298] umount2("./pivot", MNT_DETACH) = 0
[pid   298] chroot("./newroot")         = 0
[pid   298] chdir("/")                  = 0
[pid   298] mkdir("/dev/gadgetfs", 0777) = 0
[pid   298] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   298] mkdir("/dev/binderfs", 0777) = 0
[pid   298] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   298] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   298] mkdir("./0", 0777)          = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557c707650) = 2
./strace-static-x86_64: Process 299 attached
[pid   299] set_robust_list(0x55557c707660, 24) = 0
[pid   299] chdir("./0")                = 0
[pid   299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   299] setpgid(0, 0)               = 0
[pid   299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   299] write(3, "1000", 4)         = 4
[pid   299] close(3)                    = 0
[pid   299] symlink("/dev/binderfs", "./binderfs") = 0
[pid   299] write(1, "executing program\n", 18executing program
) = 18
[pid   299] mkdirat(AT_FDCWD, "./file0", 0240) = 0
[pid   299] open_tree(AT_FDCWD, "", OPEN_TREE_CLONE|OPEN_TREE_CLOEXEC|AT_SYMLINK_NOFOLLOW|AT_NO_AUTOMOUNT|AT_EMPTY_PATH) = 3
[pid   299] move_mount(3, ".", AT_FDCWD, "./file0", 0) = 0
[   25.706658][   T36] audit: type=1400 audit(1751268755.900:66): avc:  denied  { mounton } for  pid=298 comm="syz-executor249" path="/root/syzkaller.3DTUJq/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   25.732254][   T36] audit: type=1400 audit(1751268755.900:67): avc:  denied  { mount } for  pid=298 comm="syz-executor249" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   299] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   299] close(3)                    = 0
[pid   299] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   299] exit_group(0)               = ?
[pid   299] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   298] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   298] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(3, 0x55557c7086f0 /* 6 entries */, 32768) = 176
[pid   298] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(4, 0x55557c710730 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55557c710730 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./0/.incomplete")    = 0
[pid   298] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(4, 0x55557c710730 /* 2 entries */, 32768) = 48
[pid   298] getdents64(4, 0x55557c710730 /* 0 entries */, 32768) = 0
[pid   298] close(4)                    = 0
[pid   298] rmdir("./0/.index")         = 0
[   25.744428][  T299] incfs: ino conflict with backing FS 9
[   25.755458][   T36] audit: type=1400 audit(1751268755.900:68): avc:  denied  { mounton } for  pid=298 comm="syz-executor249" path="/root/syzkaller.3DTUJq/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
[   25.785607][  T298] ------------[ cut here ]------------
[   25.786463][   T36] audit: type=1400 audit(1751268755.900:69): avc:  denied  { mount } for  pid=298 comm="syz-executor249" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   25.791150][  T298] WARNING: CPU: 0 PID: 298 at fs/inode.c:340 drop_nlink+0xce/0x110
[   25.813682][   T36] audit: type=1400 audit(1751268755.910:70): avc:  denied  { mounton } for  pid=298 comm="syz-executor249" path="/root/syzkaller.3DTUJq/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
[   25.821422][  T298] Modules linked in:
[   25.848573][   T36] audit: type=1400 audit(1751268755.910:71): avc:  denied  { mounton } for  pid=298 comm="syz-executor249" path="/root/syzkaller.3DTUJq/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=714 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.852223][  T298] CPU: 0 UID: 0 PID: 298 Comm: syz-executor249 Not tainted 6.12.30-syzkaller-g68f4f0b0690a #0 d2d57a621586a6800997b547ec5ef233d70fc6ad
[   25.879939][   T36] audit: type=1400 audit(1751268755.910:72): avc:  denied  { unmount } for  pid=298 comm="syz-executor249" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.893459][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   25.893488][  T298] RIP: 0010:drop_nlink+0xce/0x110
[   25.913419][   T36] audit: type=1400 audit(1751268755.930:73): avc:  denied  { mounton } for  pid=298 comm="syz-executor249" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   25.923212][  T298] 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
[   25.923237][  T298] RSP: 0018:ffffc9000123fb20 EFLAGS: 00010293
[   25.977038][  T298] RAX: ffffffff81ed474e RBX: ffff88811f1c7838 RCX: ffff888105a59300
[   25.985080][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.993205][  T298] RBP: ffffc9000123fb48 R08: 0000000000000003 R09: 0000000000000004
[   26.001230][  T298] R10: dffffc0000000000 R11: fffff52000247f54 R12: dffffc0000000000
[   26.009210][  T298] R13: 1ffff11023e38f10 R14: ffff88811f1c7880 R15: 0000000000000000
[   26.018292][  T298] FS:  000055557c707380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   26.028546][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.035439][  T298] CR2: 000055557c718738 CR3: 0000000120dc0000 CR4: 00000000003526b0
[   26.043470][  T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.051479][  T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.059475][  T298] Call Trace:
[   26.062845][  T298]  <TASK>
[   26.065792][  T298]  shmem_rmdir+0x5f/0x90
[   26.070055][  T298]  vfs_rmdir+0x3dd/0x560
[   26.074357][  T298]  incfs_kill_sb+0x109/0x230
[   26.079003][  T298]  deactivate_locked_super+0xd8/0x2a0
[   26.084458][  T298]  deactivate_super+0xb8/0xe0
[   26.089165][  T298]  cleanup_mnt+0x3f1/0x480
[   26.093639][  T298]  __cleanup_mnt+0x1d/0x40
[   26.098096][  T298]  task_work_run+0x1e0/0x250
[   26.102751][  T298]  ? __cfi_task_work_run+0x10/0x10
[   26.107890][  T298]  ? path_umount+0x34b/0xf40
[   26.112523][  T298]  ptrace_notify+0x23d/0x270
[   26.117138][  T298]  ? __cfi_ptrace_notify+0x10/0x10
[   26.122322][  T298]  ? putname+0x113/0x150
[   26.126614][  T298]  ? __x64_sys_umount+0x126/0x170
[   26.131694][  T298]  ? __cfi___x64_sys_umount+0x10/0x10
[   26.137180][  T298]  syscall_exit_work+0x86/0x160
[   26.142077][  T298]  syscall_exit_to_user_mode_prepare+0x22/0x40
[   26.148352][  T298]  syscall_exit_to_user_mode+0x15/0xb0
[   26.153936][  T298]  do_syscall_64+0x64/0xf0
[   26.158376][  T298]  ? clear_bhb_loop+0x50/0xa0
[   26.163108][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   26.169032][  T298] RIP: 0033:0x7fb512742ac7
[   26.173498][  T298] 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
[   26.193229][  T298] RSP: 002b:00007ffc097be488 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.201849][  T298] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb512742ac7
[   26.209837][  T298] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc097be540
[   26.217870][  T298] RBP: 00007ffc097be540 R08: 0000000000000000 R09: 0000000000000000
[   26.225887][  T298] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc097bf5b0
[   26.233901][  T298] R13: 000055557c7086c0 R14: 00007ffc097bf5b0 R15: 0000000000000001
[   26.241922][  T298]  </TASK>
[   26.244975][  T298] ---[ end trace 0000000000000000 ]---
[   26.250562][  T298] ==================================================================
[   26.258645][  T298] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   26.264904][  T298] Write of size 4 at addr 0000000000000168 by task syz-executor249/298
[   26.273138][  T298] 
[   26.275459][  T298] CPU: 0 UID: 0 PID: 298 Comm: syz-executor249 Tainted: G        W          6.12.30-syzkaller-g68f4f0b0690a #0 d2d57a621586a6800997b547ec5ef233d70fc6ad
[   26.275492][  T298] Tainted: [W]=WARN
[   26.275498][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   26.275508][  T298] Call Trace:
[   26.275514][  T298]  <TASK>
[   26.275522][  T298]  __dump_stack+0x21/0x30
[   26.275545][  T298]  dump_stack_lvl+0x10c/0x190
[   26.275564][  T298]  ? __cfi_dump_stack_lvl+0x10/0x10
[   26.275584][  T298]  print_report+0x3d/0x70
[   26.275599][  T298]  kasan_report+0x163/0x1a0
[   26.275624][  T298]  ? ihold+0x24/0x70
[   26.275647][  T298]  ? _raw_spin_unlock+0x45/0x60
[   26.275662][  T298]  ? ihold+0x24/0x70
[   26.275684][  T298]  kasan_check_range+0x299/0x2a0
[   26.275709][  T298]  __kasan_check_write+0x18/0x20
[   26.275728][  T298]  ihold+0x24/0x70
[   26.275750][  T298]  vfs_rmdir+0x26a/0x560
[   26.275767][  T298]  incfs_kill_sb+0x109/0x230
[   26.275786][  T298]  deactivate_locked_super+0xd8/0x2a0
[   26.275809][  T298]  deactivate_super+0xb8/0xe0
[   26.275825][  T298]  cleanup_mnt+0x3f1/0x480
[   26.275849][  T298]  __cleanup_mnt+0x1d/0x40
[   26.275872][  T298]  task_work_run+0x1e0/0x250
[   26.275889][  T298]  ? __cfi_task_work_run+0x10/0x10
[   26.275905][  T298]  ? path_umount+0x34b/0xf40
[   26.275924][  T298]  ptrace_notify+0x23d/0x270
[   26.275941][  T298]  ? __cfi_ptrace_notify+0x10/0x10
[   26.275958][  T298]  ? putname+0x113/0x150
[   26.275980][  T298]  ? __x64_sys_umount+0x126/0x170
[   26.275999][  T298]  ? __cfi___x64_sys_umount+0x10/0x10
[   26.276017][  T298]  syscall_exit_work+0x86/0x160
[   26.276035][  T298]  syscall_exit_to_user_mode_prepare+0x22/0x40
[   26.276052][  T298]  syscall_exit_to_user_mode+0x15/0xb0
[   26.276074][  T298]  do_syscall_64+0x64/0xf0
[   26.276088][  T298]  ? clear_bhb_loop+0x50/0xa0
[   26.276107][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   26.276125][  T298] RIP: 0033:0x7fb512742ac7
[   26.276139][  T298] 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
[   26.276153][  T298] RSP: 002b:00007ffc097be488 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.276171][  T298] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb512742ac7
[   26.276182][  T298] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc097be540
[   26.276192][  T298] RBP: 00007ffc097be540 R08: 0000000000000000 R09: 0000000000000000
[   26.276203][  T298] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc097bf5b0
[   26.276214][  T298] R13: 000055557c7086c0 R14: 00007ffc097bf5b0 R15: 0000000000000001
[   26.276228][  T298]  </TASK>
[   26.276234][  T298] ==================================================================
[   26.542952][  T298] Disabling lock debugging due to kernel taint
[   26.549165][  T298] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   26.557078][  T298] #PF: supervisor write access in kernel mode
[   26.563146][  T298] #PF: error_code(0x0002) - not-present page
[   26.569120][  T298] PGD 0 P4D 0 
[   26.572791][  T298] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   26.578967][  T298] CPU: 0 UID: 0 PID: 298 Comm: syz-executor249 Tainted: G    B   W          6.12.30-syzkaller-g68f4f0b0690a #0 d2d57a621586a6800997b547ec5ef233d70fc6ad
[   26.594707][  T298] Tainted: [B]=BAD_PAGE, [W]=WARN
[   26.599729][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   26.609782][  T298] RIP: 0010:ihold+0x2a/0x70
[   26.614301][  T298] 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
[   26.633910][  T298] RSP: 0018:ffffc9000123fb60 EFLAGS: 00010246
[   26.639984][  T298] RAX: ffff888105a59300 RBX: 0000000000000000 RCX: ffff888105a59300
[   26.647956][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.655976][  T298] RBP: ffffc9000123fb70 R08: ffffffff88958947 R09: 1ffffffff112b128
[   26.663946][  T298] R10: dffffc0000000000 R11: fffffbfff112b129 R12: ffff88811f1c7844
[   26.671919][  T298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   26.679889][  T298] FS:  000055557c707380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   26.688822][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.695501][  T298] CR2: 0000000000000168 CR3: 0000000120dc0000 CR4: 00000000003526b0
[   26.703475][  T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.711447][  T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.719540][  T298] Call Trace:
[   26.722903][  T298]  <TASK>
[   26.725834][  T298]  vfs_rmdir+0x26a/0x560
[   26.730185][  T298]  incfs_kill_sb+0x109/0x230
[   26.734799][  T298]  deactivate_locked_super+0xd8/0x2a0
[   26.740187][  T298]  deactivate_super+0xb8/0xe0
[   26.744869][  T298]  cleanup_mnt+0x3f1/0x480
[   26.749409][  T298]  __cleanup_mnt+0x1d/0x40
[   26.753870][  T298]  task_work_run+0x1e0/0x250
[   26.758480][  T298]  ? __cfi_task_work_run+0x10/0x10
[   26.763592][  T298]  ? path_umount+0x34b/0xf40
[   26.768186][  T298]  ptrace_notify+0x23d/0x270
[   26.772778][  T298]  ? __cfi_ptrace_notify+0x10/0x10
[   26.777887][  T298]  ? putname+0x113/0x150
[   26.782135][  T298]  ? __x64_sys_umount+0x126/0x170
[   26.787159][  T298]  ? __cfi___x64_sys_umount+0x10/0x10
[   26.792558][  T298]  syscall_exit_work+0x86/0x160
[   26.797411][  T298]  syscall_exit_to_user_mode_prepare+0x22/0x40
[   26.803563][  T298]  syscall_exit_to_user_mode+0x15/0xb0
[   26.809028][  T298]  do_syscall_64+0x64/0xf0
[   26.813472][  T298]  ? clear_bhb_loop+0x50/0xa0
[   26.818155][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   26.824050][  T298] RIP: 0033:0x7fb512742ac7
[   26.828574][  T298] 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
[   26.848179][  T298] RSP: 002b:00007ffc097be488 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.856596][  T298] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb512742ac7
[   26.864563][  T298] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc097be540
[   26.872537][  T298] RBP: 00007ffc097be540 R08: 0000000000000000 R09: 0000000000000000
[   26.880512][  T298] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc097bf5b0
[   26.888489][  T298] R13: 000055557c7086c0 R14: 00007ffc097bf5b0 R15: 0000000000000001
[   26.896465][  T298]  </TASK>
[   26.899485][  T298] Modules linked in:
[   26.903386][  T298] CR2: 0000000000000168
[   26.907550][  T298] ---[ end trace 0000000000000000 ]---
[   26.913010][  T298] RIP: 0010:ihold+0x2a/0x70
[   26.917522][  T298] 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
[   26.937125][  T298] RSP: 0018:ffffc9000123fb60 EFLAGS: 00010246
[   26.943195][  T298] RAX: ffff888105a59300 RBX: 0000000000000000 RCX: ffff888105a59300
[   26.951160][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.959128][  T298] RBP: ffffc9000123fb70 R08: ffffffff88958947 R09: 1ffffffff112b128
[   26.967107][  T298] R10: dffffc0000000000 R11: fffffbfff112b129 R12: ffff88811f1c7844
[   26.975338][  T298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   26.983615][  T298] FS:  000055557c707380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   26.992692][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.999745][  T298] CR2: 0000000000000168 CR3: 0000000120dc0000 CR4: 00000000003526b0
[   27.008063][  T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.016409][  T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.024396][  T298] Kernel panic - not syncing: Fatal exception
[   27.030771][  T298] Kernel Offset: disabled
[   27.035102][  T298] Rebooting in 86400 seconds..