./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor865634035
<...>
Warning: Permanently added '10.128.1.177' (ED25519) to the list of known hosts.
execve("./syz-executor865634035", ["./syz-executor865634035"], 0x7ffc3831b060 /* 10 vars */) = 0
brk(NULL) = 0x5555615ed000
brk(0x5555615edd00) = 0x5555615edd00
arch_prctl(ARCH_SET_FS, 0x5555615ed380) = 0
set_tid_address(0x5555615ed650) = 296
set_robust_list(0x5555615ed660, 24) = 0
rseq(0x5555615edca0, 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-executor865634035", 4096) = 27
getrandom("\x00\x78\x7b\x0d\x52\xc9\x7c\xcf", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555615edd00
brk(0x55556160ed00) = 0x55556160ed00
brk(0x55556160f000) = 0x55556160f000
mprotect(0x7f7762cf1000, 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.AqbiB3", 0700) = 0
chmod("./syzkaller.AqbiB3", 0777) = 0
chdir("./syzkaller.AqbiB3") = 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=0x5555615ed650) = 297
[pid 297] set_robust_list(0x5555615ed660, 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=0x5555615ed650) = 2
./strace-static-x86_64: Process 298 attached
[pid 298] set_robust_list(0x5555615ed660, 24) = 0
[pid 298] chdir("./0") = 0
[pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 298] setpgid(0, 0) = 0
[ 23.296427][ T36] audit: type=1400 audit(1750451429.930:64): avc: denied { execmem } for pid=296 comm="syz-executor865" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 23.316318][ T36] audit: type=1400 audit(1750451429.940:65): avc: denied { mounton } for pid=297 comm="syz-executor865" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program
) = 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] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid 298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid 298] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid 298] mount("./file0/file0", "./file0/file0", NULL, MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_BIND|MS_POSIXACL|MS_UNBINDABLE|MS_SLAVE|MS_I_VERSION, 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=0} ---
[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=80, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(3, 0x5555615ee6f0 /* 4 entries */, 32768) = 112
[pid 297] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid 297] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 297] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid 297] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(4, 0x5555615f6730 /* 4 entries */, 32768) = 112
[pid 297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid 297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] newfstatat(AT_FDCWD, "./0/file0/file0", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] openat(AT_FDCWD, "./0/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid 297] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(5, 0x5555615fe770 /* 4 entries */, 32768) = 112
[pid 297] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] newfstatat(AT_FDCWD, "./0/file0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 297] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] openat(AT_FDCWD, "./0/file0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid 297] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(6, 0x5555616067b0 /* 2 entries */, 32768) = 48
[pid 297] getdents64(6, 0x5555616067b0 /* 0 entries */, 32768) = 0
[pid 297] close(6) = 0
[pid 297] rmdir("./0/file0/file0/.incomplete") = 0
[pid 297] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] newfstatat(AT_FDCWD, "./0/file0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 297] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] openat(AT_FDCWD, "./0/file0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid 297] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(6, 0x5555616067b0 /* 2 entries */, 32768) = 48
[pid 297] getdents64(6, 0x5555616067b0 /* 0 entries */, 32768) = 0
[pid 297] close(6) = 0
[pid 297] rmdir("./0/file0/file0/.index") = 0
[pid 297] getdents64(5, 0x5555615fe770 /* 0 entries */, 32768) = 0
[pid 297] close(5) = 0
[pid 297] rmdir("./0/file0/file0") = -1 EBUSY (Device or resource busy)
[pid 297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] exit_group(1) = ?
[ 23.338086][ T36] audit: type=1400 audit(1750451429.960:66): avc: denied { mounton } for pid=297 comm="syz-executor865" path="/root/syzkaller.AqbiB3/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 23.363016][ T36] audit: type=1400 audit(1750451429.960:67): avc: denied { mount } for pid=297 comm="syz-executor865" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[ 23.385506][ T36] audit: type=1400 audit(1750451429.960:68): avc: denied { mounton } for pid=297 comm="syz-executor865" path="/root/syzkaller.AqbiB3/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
[ 23.411304][ T36] audit: type=1400 audit(1750451429.960:69): avc: denied { mount } for pid=297 comm="syz-executor865" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 23.411825][ T297] ------------[ cut here ]------------
[ 23.433247][ T36] audit: type=1400 audit(1750451429.960:70): avc: denied { mounton } for pid=297 comm="syz-executor865" path="/root/syzkaller.AqbiB3/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
[ 23.438708][ T297] WARNING: CPU: 1 PID: 297 at fs/inode.c:340 drop_nlink+0xce/0x110
[ 23.465863][ T36] audit: type=1400 audit(1750451429.960:71): avc: denied { mounton } for pid=297 comm="syz-executor865" path="/root/syzkaller.AqbiB3/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=3138 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 23.473284][ T297] Modules linked in:
[ 23.473322][ T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor865 Not tainted 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
[ 23.501094][ T36] audit: type=1400 audit(1750451429.970:72): avc: denied { unmount } for pid=297 comm="syz-executor865" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 23.504663][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 23.518681][ T36] audit: type=1400 audit(1750451429.970:73): avc: denied { mounton } for pid=297 comm="syz-executor865" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 23.538123][ T297] RIP: 0010:drop_nlink+0xce/0x110
[ 23.576086][ T297] Code: 04 00 00 be 08 00 00 00 e8 7f 56 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 e2 68 98 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[ 23.595729][ T297] RSP: 0018:ffffc9000120fa80 EFLAGS: 00010293
[ 23.601848][ T297] RAX: ffffffff81ed146e RBX: ffff8881318d6d10 RCX: ffff88810deb4c00
[ 23.609836][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 23.617887][ T297] RBP: ffffc9000120faa8 R08: 0000000000000003 R09: 0000000000000004
[ 23.626029][ T297] R10: dffffc0000000000 R11: fffff52000241f40 R12: dffffc0000000000
[ 23.634143][ T297] R13: 1ffff1102631adab R14: ffff8881318d6d58 R15: 0000000000000000
[ 23.642162][ T297] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 23.651135][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.657817][ T297] CR2: 00007f7762cf81b0 CR3: 000000010b37e000 CR4: 00000000003526b0
[ 23.665965][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 23.674017][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 23.682048][ T297] Call Trace:
[ 23.685340][ T297] <TASK>
[ 23.688274][ T297] shmem_rmdir+0x5f/0x90
[ 23.692586][ T297] vfs_rmdir+0x3dd/0x560
[ 23.696845][ T297] incfs_kill_sb+0x109/0x230
[ 23.701473][ T297] deactivate_locked_super+0xd5/0x2a0
[ 23.706862][ T297] deactivate_super+0xb8/0xe0
[ 23.711570][ T297] cleanup_mnt+0x3f1/0x480
[ 23.716027][ T297] __cleanup_mnt+0x1d/0x40
[ 23.720447][ T297] task_work_run+0x1e0/0x250
[ 23.725069][ T297] ? __cfi_task_work_run+0x10/0x10
[ 23.730197][ T297] ? free_nsproxy+0x223/0x290
[ 23.734920][ T297] do_exit+0x9b4/0x2630
[ 23.739098][ T297] ? __cfi_do_exit+0x10/0x10
[ 23.743724][ T297] ? __kasan_check_write+0x18/0x20
[ 23.748948][ T297] ? _raw_spin_lock_irq+0x8d/0x120
[ 23.754111][ T297] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 23.759680][ T297] ? zap_other_threads+0x334/0x370
[ 23.764833][ T297] do_group_exit+0x22a/0x300
[ 23.769460][ T297] __x64_sys_exit_group+0x43/0x50
[ 23.774525][ T297] x64_sys_call+0x2ed2/0x2ee0
[ 23.779232][ T297] do_syscall_64+0x58/0xf0
[ 23.783692][ T297] ? clear_bhb_loop+0x35/0x90
[ 23.788395][ T297] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 23.794336][ T297] RIP: 0033:0x7f7762c7b789
[ 23.798782][ T297] Code: Unable to access opcode bytes at 0x7f7762c7b75f.
[ 23.805861][ T297] RSP: 002b:00007fff78d53608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 23.814354][ T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7762c7b789
[ 23.822375][ T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 23.830367][ T297] RBP: 00007f7762cf7350 R08: ffffffffffffffb8 R09: 0000000000000000
[ 23.838406][ T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f7762cf7350
[ 23.846430][ T297] R13: 0000000000000000 R14: 00007f7762cf7da0 R15: 00007f7762c4c760
[ 23.854458][ T297] </TASK>
[ 23.857500][ T297] ---[ end trace 0000000000000000 ]---
[ 23.863110][ T297] ==================================================================
[ 23.871193][ T297] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[ 23.877470][ T297] Write of size 4 at addr 0000000000000168 by task syz-executor865/297
[ 23.885719][ T297]
[ 23.888054][ T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor865 Tainted: G W 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
[ 23.888079][ T297] Tainted: [W]=WARN
[ 23.888084][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 23.888094][ T297] Call Trace:
[ 23.888100][ T297] <TASK>
[ 23.888108][ T297] __dump_stack+0x21/0x30
[ 23.888130][ T297] dump_stack_lvl+0x10c/0x190
[ 23.888147][ T297] ? __cfi_dump_stack_lvl+0x10/0x10
[ 23.888166][ T297] print_report+0x3d/0x70
[ 23.888180][ T297] kasan_report+0x163/0x1a0
[ 23.888202][ T297] ? ihold+0x24/0x70
[ 23.888222][ T297] ? _raw_spin_unlock+0x45/0x60
[ 23.888242][ T297] ? ihold+0x24/0x70
[ 23.888262][ T297] kasan_check_range+0x299/0x2a0
[ 23.888284][ T297] __kasan_check_write+0x18/0x20
[ 23.888300][ T297] ihold+0x24/0x70
[ 23.888319][ T297] vfs_rmdir+0x26a/0x560
[ 23.888333][ T297] incfs_kill_sb+0x109/0x230
[ 23.888351][ T297] deactivate_locked_super+0xd5/0x2a0
[ 23.888366][ T297] deactivate_super+0xb8/0xe0
[ 23.888380][ T297] cleanup_mnt+0x3f1/0x480
[ 23.888401][ T297] __cleanup_mnt+0x1d/0x40
[ 23.888420][ T297] task_work_run+0x1e0/0x250
[ 23.888435][ T297] ? __cfi_task_work_run+0x10/0x10
[ 23.888450][ T297] ? free_nsproxy+0x223/0x290
[ 23.888468][ T297] do_exit+0x9b4/0x2630
[ 23.888484][ T297] ? __cfi_do_exit+0x10/0x10
[ 23.888498][ T297] ? __kasan_check_write+0x18/0x20
[ 23.888515][ T297] ? _raw_spin_lock_irq+0x8d/0x120
[ 23.888534][ T297] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 23.888554][ T297] ? zap_other_threads+0x334/0x370
[ 23.888577][ T297] do_group_exit+0x22a/0x300
[ 23.888592][ T297] __x64_sys_exit_group+0x43/0x50
[ 23.888607][ T297] x64_sys_call+0x2ed2/0x2ee0
[ 23.888627][ T297] do_syscall_64+0x58/0xf0
[ 23.888647][ T297] ? clear_bhb_loop+0x35/0x90
[ 23.888670][ T297] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 23.888692][ T297] RIP: 0033:0x7f7762c7b789
[ 23.888705][ T297] Code: Unable to access opcode bytes at 0x7f7762c7b75f.
[ 23.888712][ T297] RSP: 002b:00007fff78d53608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 23.888732][ T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7762c7b789
[ 23.888743][ T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 23.888752][ T297] RBP: 00007f7762cf7350 R08: ffffffffffffffb8 R09: 0000000000000000
[ 23.888762][ T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f7762cf7350
[ 23.888772][ T297] R13: 0000000000000000 R14: 00007f7762cf7da0 R15: 00007f7762c4c760
[ 23.888785][ T297] </TASK>
[ 23.888790][ T297] ==================================================================
[ 24.144346][ T297] Disabling lock debugging due to kernel taint
[ 24.150594][ T297] BUG: kernel NULL pointer dereference, address: 0000000000000168
[ 24.158418][ T297] #PF: supervisor write access in kernel mode
[ 24.164509][ T297] #PF: error_code(0x0002) - not-present page
[ 24.170491][ T297] PGD 0 P4D 0
[ 24.173860][ T297] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[ 24.179923][ T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor865 Tainted: G B W 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
[ 24.195217][ T297] Tainted: [B]=BAD_PAGE, [W]=WARN
[ 24.200228][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 24.210289][ T297] RIP: 0010:ihold+0x2a/0x70
[ 24.214798][ T297] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 cd 5f 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 3c 4d 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 dd
[ 24.234399][ T297] RSP: 0018:ffffc9000120fac0 EFLAGS: 00010246
[ 24.240468][ T297] RAX: ffff88810deb4c00 RBX: 0000000000000000 RCX: ffff88810deb4c00
[ 24.248434][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 24.256402][ T297] RBP: ffffc9000120fad0 R08: ffffffff88954947 R09: 1ffffffff112a928
[ 24.264372][ T297] R10: dffffc0000000000 R11: fffffbfff112a929 R12: ffff8881318d6d1c
[ 24.272344][ T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[ 24.280312][ T297] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.289237][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.295840][ T297] CR2: 0000000000000168 CR3: 000000010b37e000 CR4: 00000000003526b0
[ 24.303823][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.311799][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.319778][ T297] Call Trace:
[ 24.323061][ T297] <TASK>
[ 24.326001][ T297] vfs_rmdir+0x26a/0x560
[ 24.330261][ T297] incfs_kill_sb+0x109/0x230
[ 24.334865][ T297] deactivate_locked_super+0xd5/0x2a0
[ 24.340244][ T297] deactivate_super+0xb8/0xe0
[ 24.344932][ T297] cleanup_mnt+0x3f1/0x480
[ 24.349363][ T297] __cleanup_mnt+0x1d/0x40
[ 24.353788][ T297] task_work_run+0x1e0/0x250
[ 24.358380][ T297] ? __cfi_task_work_run+0x10/0x10
[ 24.363488][ T297] ? free_nsproxy+0x223/0x290
[ 24.368161][ T297] do_exit+0x9b4/0x2630
[ 24.372314][ T297] ? __cfi_do_exit+0x10/0x10
[ 24.376903][ T297] ? __kasan_check_write+0x18/0x20
[ 24.382014][ T297] ? _raw_spin_lock_irq+0x8d/0x120
[ 24.387124][ T297] ? __cfi__raw_spin_lock_irq+0x10/0x10
[ 24.392669][ T297] ? zap_other_threads+0x334/0x370
[ 24.397782][ T297] do_group_exit+0x22a/0x300
[ 24.402367][ T297] __x64_sys_exit_group+0x43/0x50
[ 24.407389][ T297] x64_sys_call+0x2ed2/0x2ee0
[ 24.412064][ T297] do_syscall_64+0x58/0xf0
[ 24.416482][ T297] ? clear_bhb_loop+0x35/0x90
[ 24.421162][ T297] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[ 24.427080][ T297] RIP: 0033:0x7f7762c7b789
[ 24.431493][ T297] Code: Unable to access opcode bytes at 0x7f7762c7b75f.
[ 24.438501][ T297] RSP: 002b:00007fff78d53608 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 24.446910][ T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7762c7b789
[ 24.454875][ T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[ 24.462838][ T297] RBP: 00007f7762cf7350 R08: ffffffffffffffb8 R09: 0000000000000000
[ 24.470803][ T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f7762cf7350
[ 24.478767][ T297] R13: 0000000000000000 R14: 00007f7762cf7da0 R15: 00007f7762c4c760
[ 24.486733][ T297] </TASK>
[ 24.489749][ T297] Modules linked in:
[ 24.493645][ T297] CR2: 0000000000000168
[ 24.497787][ T297] ---[ end trace 0000000000000000 ]---
[ 24.503234][ T297] RIP: 0010:ihold+0x2a/0x70
[ 24.507749][ T297] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 cd 5f 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 3c 4d 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 dd
[ 24.527354][ T297] RSP: 0018:ffffc9000120fac0 EFLAGS: 00010246
[ 24.533428][ T297] RAX: ffff88810deb4c00 RBX: 0000000000000000 RCX: ffff88810deb4c00
[ 24.541419][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 24.549394][ T297] RBP: ffffc9000120fad0 R08: ffffffff88954947 R09: 1ffffffff112a928
[ 24.557363][ T297] R10: dffffc0000000000 R11: fffffbfff112a929 R12: ffff8881318d6d1c
[ 24.565336][ T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[ 24.573311][ T297] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 24.582240][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.588820][ T297] CR2: 0000000000000168 CR3: 000000010b37e000 CR4: 00000000003526b0
[ 24.596793][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.604760][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.612730][ T297] Kernel panic - not syncing: Fatal exception
[ 24.619096][ T297] Kernel Offset: disabled
[ 24.623419][ T297] Rebooting in 86400 seconds..