./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2909389575

<...>
Warning: Permanently added '10.128.10.33' (ED25519) to the list of known hosts.
execve("./syz-executor2909389575", ["./syz-executor2909389575"], 0x7ffc510f0e50 /* 10 vars */) = 0
brk(NULL)                               = 0x5555799fb000
brk(0x5555799fbd00)                     = 0x5555799fbd00
arch_prctl(ARCH_SET_FS, 0x5555799fb380) = 0
set_tid_address(0x5555799fb650)         = 297
set_robust_list(0x5555799fb660, 24)     = 0
rseq(0x5555799fbca0, 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-executor2909389575", 4096) = 28
getrandom("\x86\x69\x04\xc9\x76\x02\x02\x39", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555799fbd00
brk(0x555579a1cd00)                     = 0x555579a1cd00
brk(0x555579a1d000)                     = 0x555579a1d000
mprotect(0x7fb6496f6000, 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.THQrel", 0700)       = 0
chmod("./syzkaller.THQrel", 0777)       = 0
chdir("./syzkaller.THQrel")             = 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=0x5555799fb650) = 298
[pid   298] set_robust_list(0x5555799fb660, 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
[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
[   23.868763][   T36] audit: type=1400 audit(1754789206.270:64): avc:  denied  { execmem } for  pid=297 comm="syz-executor290" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.888558][   T36] audit: type=1400 audit(1754789206.280:65): avc:  denied  { mounton } for  pid=298 comm="syz-executor290" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   298] umount2("./pivot", MNT_DETACHexecuting program
) = 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./strace-static-x86_64: Process 299 attached
, child_tidptr=0x5555799fb650) = 2
[pid   299] set_robust_list(0x5555799fb660, 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", 18) = 18
[pid   299] mkdirat(AT_FDCWD, "./file0", 020) = 0
[pid   299] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   299] mount(".", "./file0", NULL, MS_NODEV|MS_BIND|MS_REC|MS_RELATIME|MS_I_VERSION|MS_LAZYTIME, NULL) = 0
[pid   299] close(3)                    = -1 EBADF (Bad file descriptor)
[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=80, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(3, 0x5555799fc6f0 /* 4 entries */, 32768) = 112
[pid   298] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   298] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   298] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(4, 0x555579a04730 /* 4 entries */, 32768) = 112
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/file0/file0", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   298] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(5, 0x555579a0c770 /* 4 entries */, 32768) = 112
[pid   298] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/file0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/file0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   298] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(6, 0x555579a147b0 /* 2 entries */, 32768) = 48
[pid   298] getdents64(6, 0x555579a147b0 /* 0 entries */, 32768) = 0
[pid   298] close(6)                    = 0
[pid   298] rmdir("./0/file0/file0/.incomplete") = 0
[pid   298] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/file0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/file0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   298] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(6, 0x555579a147b0 /* 2 entries */, 32768) = 48
[pid   298] getdents64(6, 0x555579a147b0 /* 0 entries */, 32768) = 0
[pid   298] close(6)                    = 0
[pid   298] rmdir("./0/file0/file0/.index") = 0
[pid   298] getdents64(5, 0x555579a0c770 /* 0 entries */, 32768) = 0
[pid   298] close(5)                    = 0
[pid   298] rmdir("./0/file0/file0")    = -1 EBUSY (Device or resource busy)
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] exit_group(1)               = ?
[   23.910409][   T36] audit: type=1400 audit(1754789206.300:66): avc:  denied  { mounton } for  pid=298 comm="syz-executor290" path="/root/syzkaller.THQrel/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.935514][   T36] audit: type=1400 audit(1754789206.300:67): avc:  denied  { mount } for  pid=298 comm="syz-executor290" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   23.958001][   T36] audit: type=1400 audit(1754789206.300:68): avc:  denied  { mounton } for  pid=298 comm="syz-executor290" path="/root/syzkaller.THQrel/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
[   23.958905][  T298] ------------[ cut here ]------------
[   23.983489][   T36] audit: type=1400 audit(1754789206.310:69): avc:  denied  { mount } for  pid=298 comm="syz-executor290" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   23.988802][  T298] WARNING: CPU: 1 PID: 298 at fs/inode.c:340 drop_nlink+0xce/0x110
[   24.010686][   T36] audit: type=1400 audit(1754789206.310:70): avc:  denied  { mounton } for  pid=298 comm="syz-executor290" path="/root/syzkaller.THQrel/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
[   24.018645][  T298] Modules linked in:
[   24.045791][   T36] audit: type=1400 audit(1754789206.310:71): avc:  denied  { mounton } for  pid=298 comm="syz-executor290" path="/root/syzkaller.THQrel/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1691 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   24.049214][  T298] CPU: 1 UID: 0 PID: 298 Comm: syz-executor290 Not tainted 6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   24.076874][   T36] audit: type=1400 audit(1754789206.310:72): avc:  denied  { unmount } for  pid=298 comm="syz-executor290" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.090736][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.111176][   T36] audit: type=1400 audit(1754789206.320:73): avc:  denied  { mounton } for  pid=298 comm="syz-executor290" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.120442][  T298] RIP: 0010:drop_nlink+0xce/0x110
[   24.148322][  T298] Code: 04 00 00 be 08 00 00 00 e8 6f 4e ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 08 42 a0 03 cc e8 d2 23 98 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[   24.167978][  T298] RSP: 0018:ffffc9000121fa80 EFLAGS: 00010293
[   24.174087][  T298] RAX: ffffffff81edb95e RBX: ffff888127b4d6c0 RCX: ffff888102344c00
[   24.182093][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.190086][  T298] RBP: ffffc9000121faa8 R08: 0000000000000003 R09: 0000000000000004
[   24.198051][  T298] R10: dffffc0000000000 R11: fffff52000243f40 R12: dffffc0000000000
[   24.206068][  T298] R13: 1ffff11024f69ae1 R14: ffff888127b4d708 R15: 0000000000000000
[   24.214066][  T298] FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   24.223031][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.229716][  T298] CR2: 00007fb6496fd1b0 CR3: 000000010bf58000 CR4: 00000000003526b0
[   24.237690][  T298] Call Trace:
[   24.240995][  T298]  <TASK>
[   24.243944][  T298]  shmem_rmdir+0x5f/0x90
[   24.248191][  T298]  vfs_rmdir+0x3e0/0x560
[   24.252475][  T298]  incfs_kill_sb+0x109/0x230
[   24.257087][  T298]  deactivate_locked_super+0xd8/0x2a0
[   24.262494][  T298]  deactivate_super+0xb8/0xe0
[   24.267195][  T298]  cleanup_mnt+0x3f1/0x480
[   24.271648][  T298]  __cleanup_mnt+0x1d/0x40
[   24.276075][  T298]  task_work_run+0x1e0/0x250
[   24.280706][  T298]  ? __cfi_task_work_run+0x10/0x10
[   24.285832][  T298]  ? free_nsproxy+0x223/0x290
[   24.290536][  T298]  do_exit+0x9bc/0x2630
[   24.294705][  T298]  ? __cfi_do_exit+0x10/0x10
[   24.299319][  T298]  ? __kasan_check_write+0x18/0x20
[   24.304452][  T298]  ? _raw_spin_lock_irq+0x8d/0x120
[   24.309611][  T298]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   24.315179][  T298]  ? zap_other_threads+0x334/0x370
[   24.320346][  T298]  do_group_exit+0x22a/0x300
[   24.324962][  T298]  __x64_sys_exit_group+0x43/0x50
[   24.330006][  T298]  x64_sys_call+0x2ed2/0x2ee0
[   24.334717][  T298]  do_syscall_64+0x58/0xf0
[   24.339149][  T298]  ? clear_bhb_loop+0x50/0xa0
[   24.343847][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.349786][  T298] RIP: 0033:0x7fb649680709
[   24.354215][  T298] Code: Unable to access opcode bytes at 0x7fb6496806df.
[   24.361250][  T298] RSP: 002b:00007ffe352fac48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.369696][  T298] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb649680709
[   24.377660][  T298] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.385653][  T298] RBP: 00007fb6496fc350 R08: ffffffffffffffb8 R09: 0000000000000000
[   24.393766][  T298] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fb6496fc350
[   24.401797][  T298] R13: 0000000000000000 R14: 00007fb6496fcda0 R15: 00007fb6496516f0
[   24.409823][  T298]  </TASK>
[   24.412845][  T298] ---[ end trace 0000000000000000 ]---
[   24.418360][  T298] ==================================================================
[   24.426438][  T298] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   24.432684][  T298] Write of size 4 at addr 0000000000000168 by task syz-executor290/298
[   24.440912][  T298] 
[   24.443239][  T298] CPU: 1 UID: 0 PID: 298 Comm: syz-executor290 Tainted: G        W          6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   24.443286][  T298] Tainted: [W]=WARN
[   24.443291][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.443301][  T298] Call Trace:
[   24.443307][  T298]  <TASK>
[   24.443314][  T298]  __dump_stack+0x21/0x30
[   24.443337][  T298]  dump_stack_lvl+0x10c/0x190
[   24.443357][  T298]  ? __cfi_dump_stack_lvl+0x10/0x10
[   24.443379][  T298]  print_report+0x3d/0x70
[   24.443395][  T298]  kasan_report+0x163/0x1a0
[   24.443412][  T298]  ? ihold+0x24/0x70
[   24.443428][  T298]  ? _raw_spin_unlock+0x45/0x60
[   24.443446][  T298]  ? ihold+0x24/0x70
[   24.443461][  T298]  kasan_check_range+0x299/0x2a0
[   24.443479][  T298]  __kasan_check_write+0x18/0x20
[   24.443500][  T298]  ihold+0x24/0x70
[   24.443515][  T298]  vfs_rmdir+0x26a/0x560
[   24.443535][  T298]  incfs_kill_sb+0x109/0x230
[   24.443558][  T298]  deactivate_locked_super+0xd8/0x2a0
[   24.443578][  T298]  deactivate_super+0xb8/0xe0
[   24.443597][  T298]  cleanup_mnt+0x3f1/0x480
[   24.443614][  T298]  __cleanup_mnt+0x1d/0x40
[   24.443640][  T298]  task_work_run+0x1e0/0x250
[   24.443659][  T298]  ? __cfi_task_work_run+0x10/0x10
[   24.443677][  T298]  ? free_nsproxy+0x223/0x290
[   24.443699][  T298]  do_exit+0x9bc/0x2630
[   24.443720][  T298]  ? __cfi_do_exit+0x10/0x10
[   24.443739][  T298]  ? __kasan_check_write+0x18/0x20
[   24.443760][  T298]  ? _raw_spin_lock_irq+0x8d/0x120
[   24.443778][  T298]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   24.443796][  T298]  ? zap_other_threads+0x334/0x370
[   24.443814][  T298]  do_group_exit+0x22a/0x300
[   24.443834][  T298]  __x64_sys_exit_group+0x43/0x50
[   24.443855][  T298]  x64_sys_call+0x2ed2/0x2ee0
[   24.443879][  T298]  do_syscall_64+0x58/0xf0
[   24.443897][  T298]  ? clear_bhb_loop+0x50/0xa0
[   24.443921][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.443942][  T298] RIP: 0033:0x7fb649680709
[   24.443955][  T298] Code: Unable to access opcode bytes at 0x7fb6496806df.
[   24.443962][  T298] RSP: 002b:00007ffe352fac48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.443978][  T298] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb649680709
[   24.443990][  T298] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.443999][  T298] RBP: 00007fb6496fc350 R08: ffffffffffffffb8 R09: 0000000000000000
[   24.444009][  T298] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fb6496fc350
[   24.444020][  T298] R13: 0000000000000000 R14: 00007fb6496fcda0 R15: 00007fb6496516f0
[   24.444033][  T298]  </TASK>
[   24.444040][  T298] ==================================================================
[   24.700021][  T298] Disabling lock debugging due to kernel taint
[   24.706211][  T298] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   24.714032][  T298] #PF: supervisor write access in kernel mode
[   24.720107][  T298] #PF: error_code(0x0002) - not-present page
[   24.726087][  T298] PGD 0 P4D 0 
[   24.729467][  T298] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   24.735529][  T298] CPU: 1 UID: 0 PID: 298 Comm: syz-executor290 Tainted: G    B   W          6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   24.750826][  T298] Tainted: [B]=BAD_PAGE, [W]=WARN
[   24.755837][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.765886][  T298] RIP: 0010:ihold+0x2a/0x70
[   24.770406][  T298] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 bd 1a 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 2c 45 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 cd
[   24.790005][  T298] RSP: 0018:ffffc9000121fac0 EFLAGS: 00010246
[   24.796082][  T298] RAX: ffff888102344c00 RBX: 0000000000000000 RCX: ffff888102344c00
[   24.804047][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.812010][  T298] RBP: ffffc9000121fad0 R08: ffffffff8896a947 R09: 1ffffffff112d528
[   24.819969][  T298] R10: dffffc0000000000 R11: fffffbfff112d529 R12: ffff888127b4d6cc
[   24.827950][  T298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   24.835912][  T298] FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   24.844828][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.851402][  T298] CR2: 0000000000000168 CR3: 000000010bf58000 CR4: 00000000003526b0
[   24.859414][  T298] Call Trace:
[   24.862707][  T298]  <TASK>
[   24.865683][  T298]  vfs_rmdir+0x26a/0x560
[   24.869929][  T298]  incfs_kill_sb+0x109/0x230
[   24.874523][  T298]  deactivate_locked_super+0xd8/0x2a0
[   24.879902][  T298]  deactivate_super+0xb8/0xe0
[   24.884585][  T298]  cleanup_mnt+0x3f1/0x480
[   24.888997][  T298]  __cleanup_mnt+0x1d/0x40
[   24.893403][  T298]  task_work_run+0x1e0/0x250
[   24.897996][  T298]  ? __cfi_task_work_run+0x10/0x10
[   24.903135][  T298]  ? free_nsproxy+0x223/0x290
[   24.907816][  T298]  do_exit+0x9bc/0x2630
[   24.911987][  T298]  ? __cfi_do_exit+0x10/0x10
[   24.916633][  T298]  ? __kasan_check_write+0x18/0x20
[   24.921786][  T298]  ? _raw_spin_lock_irq+0x8d/0x120
[   24.926924][  T298]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   24.932468][  T298]  ? zap_other_threads+0x334/0x370
[   24.937576][  T298]  do_group_exit+0x22a/0x300
[   24.942169][  T298]  __x64_sys_exit_group+0x43/0x50
[   24.947207][  T298]  x64_sys_call+0x2ed2/0x2ee0
[   24.951886][  T298]  do_syscall_64+0x58/0xf0
[   24.956291][  T298]  ? clear_bhb_loop+0x50/0xa0
[   24.960984][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.966907][  T298] RIP: 0033:0x7fb649680709
[   24.971332][  T298] Code: Unable to access opcode bytes at 0x7fb6496806df.
[   24.978339][  T298] RSP: 002b:00007ffe352fac48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.986753][  T298] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb649680709
[   24.994721][  T298] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   25.002681][  T298] RBP: 00007fb6496fc350 R08: ffffffffffffffb8 R09: 0000000000000000
[   25.010650][  T298] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fb6496fc350
[   25.018612][  T298] R13: 0000000000000000 R14: 00007fb6496fcda0 R15: 00007fb6496516f0
[   25.026628][  T298]  </TASK>
[   25.029690][  T298] Modules linked in:
[   25.033689][  T298] CR2: 0000000000000168
[   25.037850][  T298] ---[ end trace 0000000000000000 ]---
[   25.043320][  T298] RIP: 0010:ihold+0x2a/0x70
[   25.047830][  T298] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 bd 1a 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 2c 45 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 cd
[   25.067431][  T298] RSP: 0018:ffffc9000121fac0 EFLAGS: 00010246
[   25.073494][  T298] RAX: ffff888102344c00 RBX: 0000000000000000 RCX: ffff888102344c00
[   25.081464][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.089439][  T298] RBP: ffffc9000121fad0 R08: ffffffff8896a947 R09: 1ffffffff112d528
[   25.097439][  T298] R10: dffffc0000000000 R11: fffffbfff112d529 R12: ffff888127b4d6cc
[   25.105416][  T298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   25.113383][  T298] FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   25.122345][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.128942][  T298] CR2: 0000000000000168 CR3: 000000010bf58000 CR4: 00000000003526b0
[   25.136909][  T298] Kernel panic - not syncing: Fatal exception
[   25.143348][  T298] Kernel Offset: disabled
[   25.147680][  T298] Rebooting in 86400 seconds..