./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor890236551

<...>
Warning: Permanently added '10.128.0.28' (ED25519) to the list of known hosts.
execve("./syz-executor890236551", ["./syz-executor890236551"], 0x7fff19f8f4a0 /* 10 vars */) = 0
brk(NULL)                               = 0x555581fb8000
brk(0x555581fb8d00)                     = 0x555581fb8d00
arch_prctl(ARCH_SET_FS, 0x555581fb8380) = 0
set_tid_address(0x555581fb8650)         = 296
set_robust_list(0x555581fb8660, 24)     = 0
rseq(0x555581fb8ca0, 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-executor890236551", 4096) = 27
getrandom("\x7a\x8c\xb1\x79\x89\xa4\x95\x8d", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555581fb8d00
brk(0x555581fd9d00)                     = 0x555581fd9d00
brk(0x555581fda000)                     = 0x555581fda000
mprotect(0x7f4a9f3bf000, 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.mGI84c", 0700)       = 0
chmod("./syzkaller.mGI84c", 0777)       = 0
chdir("./syzkaller.mGI84c")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555581fb8650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x555581fb8660, 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
[   28.495382][   T36] audit: type=1400 audit(1754871885.570:64): avc:  denied  { execmem } for  pid=296 comm="syz-executor890" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   28.514913][   T36] audit: type=1400 audit(1754871885.580:65): avc:  denied  { mounton } for  pid=297 comm="syz-executor890" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[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=0x555581fb8650) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x555581fb8660, 24) = 0
[pid   298] chdir("./0")                = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] setpgid(0, 0)               = 0
[pid   298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "1000", 4)         = 4
[pid   298] close(3)                    = 0
[pid   298] symlink("/dev/binderfs", "./binderfs") = 0
[pid   298] write(1, "executing program\n", 18executing program
) = 18
[pid   298] mkdirat(AT_FDCWD, "./file0", 020) = 0
[pid   298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   298] mount(".", "./file0", NULL, MS_NODEV|MS_BIND|MS_REC|MS_RELATIME|MS_I_VERSION|MS_LAZYTIME, 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, 0x555581fb96f0 /* 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)
[   28.538691][   T36] audit: type=1400 audit(1754871885.610:66): avc:  denied  { mounton } for  pid=297 comm="syz-executor890" path="/root/syzkaller.mGI84c/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   28.563126][   T36] audit: type=1400 audit(1754871885.610:67): avc:  denied  { mount } for  pid=297 comm="syz-executor890" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[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, 0x555581fc1730 /* 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, 0x555581fc9770 /* 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, 0x555581fd17b0 /* 2 entries */, 32768) = 48
[pid   297] getdents64(6, 0x555581fd17b0 /* 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, 0x555581fd17b0 /* 2 entries */, 32768) = 48
[pid   297] getdents64(6, 0x555581fd17b0 /* 0 entries */, 32768) = 0
[pid   297] close(6)                    = 0
[pid   297] rmdir("./0/file0/file0/.index") = 0
[pid   297] getdents64(5, 0x555581fc9770 /* 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)               = ?
[   28.585529][   T36] audit: type=1400 audit(1754871885.620:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor890" path="/root/syzkaller.mGI84c/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
[   28.610920][   T36] audit: type=1400 audit(1754871885.620:69): avc:  denied  { mount } for  pid=297 comm="syz-executor890" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   28.632911][   T36] audit: type=1400 audit(1754871885.620:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor890" path="/root/syzkaller.mGI84c/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
[   28.634002][  T297] ------------[ cut here ]------------
[   28.659791][   T36] audit: type=1400 audit(1754871885.620:71): avc:  denied  { mounton } for  pid=297 comm="syz-executor890" path="/root/syzkaller.mGI84c/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=847 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   28.665107][  T297] WARNING: CPU: 0 PID: 297 at fs/inode.c:340 drop_nlink+0xce/0x110
[   28.693036][   T36] audit: type=1400 audit(1754871885.630:72): avc:  denied  { unmount } for  pid=297 comm="syz-executor890" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   28.700656][  T297] Modules linked in:
[   28.720575][   T36] audit: type=1400 audit(1754871885.640:73): avc:  denied  { mounton } for  pid=297 comm="syz-executor890" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   28.724203][  T297] CPU: 0 UID: 0 PID: 297 Comm: syz-executor890 Not tainted 6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   28.760921][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   28.771052][  T297] RIP: 0010:drop_nlink+0xce/0x110
[   28.776130][  T297] 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
[   28.795783][  T297] RSP: 0018:ffffc9000124fa80 EFLAGS: 00010293
[   28.801897][  T297] RAX: ffffffff81edb95e RBX: ffff88810132d6c0 RCX: ffff888102372600
[   28.809924][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   28.817915][  T297] RBP: ffffc9000124faa8 R08: 0000000000000003 R09: 0000000000000004
[   28.825958][  T297] R10: dffffc0000000000 R11: fffff52000249f40 R12: dffffc0000000000
[   28.833976][  T297] R13: 1ffff11020265ae1 R14: ffff88810132d708 R15: 0000000000000000
[   28.841987][  T297] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   28.850947][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.857526][  T297] CR2: 00007f4a9f3c61b0 CR3: 000000010ab52000 CR4: 00000000003526b0
[   28.865538][  T297] Call Trace:
[   28.868828][  T297]  <TASK>
[   28.871783][  T297]  shmem_rmdir+0x5f/0x90
[   28.876153][  T297]  vfs_rmdir+0x3e0/0x560
[   28.880436][  T297]  incfs_kill_sb+0x109/0x230
[   28.885229][  T297]  deactivate_locked_super+0xd8/0x2a0
[   28.890643][  T297]  deactivate_super+0xb8/0xe0
[   28.895349][  T297]  cleanup_mnt+0x3f1/0x480
[   28.899812][  T297]  __cleanup_mnt+0x1d/0x40
[   28.904248][  T297]  task_work_run+0x1e0/0x250
[   28.908840][  T297]  ? __cfi_task_work_run+0x10/0x10
[   28.913983][  T297]  ? free_nsproxy+0x223/0x290
[   28.918683][  T297]  do_exit+0x9bc/0x2630
[   28.922964][  T297]  ? __cfi_do_exit+0x10/0x10
[   28.927597][  T297]  ? __kasan_check_write+0x18/0x20
[   28.932758][  T297]  ? _raw_spin_lock_irq+0x8d/0x120
[   28.937890][  T297]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   28.943489][  T297]  ? zap_other_threads+0x334/0x370
[   28.948622][  T297]  do_group_exit+0x22a/0x300
[   28.953248][  T297]  __x64_sys_exit_group+0x43/0x50
[   28.958301][  T297]  x64_sys_call+0x2ed2/0x2ee0
[   28.963010][  T297]  do_syscall_64+0x58/0xf0
[   28.967450][  T297]  ? clear_bhb_loop+0x50/0xa0
[   28.972160][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   28.978085][  T297] RIP: 0033:0x7f4a9f349709
[   28.982542][  T297] Code: Unable to access opcode bytes at 0x7f4a9f3496df.
[   28.989583][  T297] RSP: 002b:00007ffe65a27418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   28.998003][  T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4a9f349709
[   29.006002][  T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   29.014016][  T297] RBP: 00007f4a9f3c5350 R08: ffffffffffffffb8 R09: 0000000000000000
[   29.022012][  T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f4a9f3c5350
[   29.030011][  T297] R13: 0000000000000000 R14: 00007f4a9f3c5da0 R15: 00007f4a9f31a6f0
[   29.037997][  T297]  </TASK>
[   29.041042][  T297] ---[ end trace 0000000000000000 ]---
[   29.046581][  T297] ==================================================================
[   29.054650][  T297] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   29.060895][  T297] Write of size 4 at addr 0000000000000168 by task syz-executor890/297
[   29.069122][  T297] 
[   29.071447][  T297] CPU: 0 UID: 0 PID: 297 Comm: syz-executor890 Tainted: G        W          6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   29.071472][  T297] Tainted: [W]=WARN
[   29.071478][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   29.071488][  T297] Call Trace:
[   29.071493][  T297]  <TASK>
[   29.071500][  T297]  __dump_stack+0x21/0x30
[   29.071523][  T297]  dump_stack_lvl+0x10c/0x190
[   29.071544][  T297]  ? __cfi_dump_stack_lvl+0x10/0x10
[   29.071566][  T297]  print_report+0x3d/0x70
[   29.071583][  T297]  kasan_report+0x163/0x1a0
[   29.071600][  T297]  ? ihold+0x24/0x70
[   29.071616][  T297]  ? _raw_spin_unlock+0x45/0x60
[   29.071633][  T297]  ? ihold+0x24/0x70
[   29.071649][  T297]  kasan_check_range+0x299/0x2a0
[   29.071667][  T297]  __kasan_check_write+0x18/0x20
[   29.071688][  T297]  ihold+0x24/0x70
[   29.071704][  T297]  vfs_rmdir+0x26a/0x560
[   29.071724][  T297]  incfs_kill_sb+0x109/0x230
[   29.071747][  T297]  deactivate_locked_super+0xd8/0x2a0
[   29.071767][  T297]  deactivate_super+0xb8/0xe0
[   29.071787][  T297]  cleanup_mnt+0x3f1/0x480
[   29.071804][  T297]  __cleanup_mnt+0x1d/0x40
[   29.071820][  T297]  task_work_run+0x1e0/0x250
[   29.071839][  T297]  ? __cfi_task_work_run+0x10/0x10
[   29.071857][  T297]  ? free_nsproxy+0x223/0x290
[   29.071879][  T297]  do_exit+0x9bc/0x2630
[   29.071900][  T297]  ? __cfi_do_exit+0x10/0x10
[   29.071918][  T297]  ? __kasan_check_write+0x18/0x20
[   29.071940][  T297]  ? _raw_spin_lock_irq+0x8d/0x120
[   29.071958][  T297]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   29.071976][  T297]  ? zap_other_threads+0x334/0x370
[   29.071993][  T297]  do_group_exit+0x22a/0x300
[   29.072013][  T297]  __x64_sys_exit_group+0x43/0x50
[   29.072032][  T297]  x64_sys_call+0x2ed2/0x2ee0
[   29.072055][  T297]  do_syscall_64+0x58/0xf0
[   29.072073][  T297]  ? clear_bhb_loop+0x50/0xa0
[   29.072096][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   29.072118][  T297] RIP: 0033:0x7f4a9f349709
[   29.072131][  T297] Code: Unable to access opcode bytes at 0x7f4a9f3496df.
[   29.072139][  T297] RSP: 002b:00007ffe65a27418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   29.072155][  T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4a9f349709
[   29.072167][  T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   29.072176][  T297] RBP: 00007f4a9f3c5350 R08: ffffffffffffffb8 R09: 0000000000000000
[   29.072187][  T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f4a9f3c5350
[   29.072197][  T297] R13: 0000000000000000 R14: 00007f4a9f3c5da0 R15: 00007f4a9f31a6f0
[   29.072210][  T297]  </TASK>
[   29.072216][  T297] ==================================================================
[   29.328345][  T297] Disabling lock debugging due to kernel taint
[   29.334586][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   29.342409][  T297] #PF: supervisor write access in kernel mode
[   29.348488][  T297] #PF: error_code(0x0002) - not-present page
[   29.354467][  T297] PGD 0 P4D 0 
[   29.357929][  T297] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   29.363993][  T297] CPU: 0 UID: 0 PID: 297 Comm: syz-executor890 Tainted: G    B   W          6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   29.379268][  T297] Tainted: [B]=BAD_PAGE, [W]=WARN
[   29.384276][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   29.394326][  T297] RIP: 0010:ihold+0x2a/0x70
[   29.398940][  T297] 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
[   29.418540][  T297] RSP: 0018:ffffc9000124fac0 EFLAGS: 00010246
[   29.424607][  T297] RAX: ffff888102372600 RBX: 0000000000000000 RCX: ffff888102372600
[   29.432580][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   29.440568][  T297] RBP: ffffc9000124fad0 R08: ffffffff8896a947 R09: 1ffffffff112d528
[   29.448560][  T297] R10: dffffc0000000000 R11: fffffbfff112d529 R12: ffff88810132d6cc
[   29.456631][  T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   29.464597][  T297] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   29.473521][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.480213][  T297] CR2: 0000000000000168 CR3: 000000010ab52000 CR4: 00000000003526b0
[   29.488207][  T297] Call Trace:
[   29.491483][  T297]  <TASK>
[   29.494412][  T297]  vfs_rmdir+0x26a/0x560
[   29.498666][  T297]  incfs_kill_sb+0x109/0x230
[   29.503258][  T297]  deactivate_locked_super+0xd8/0x2a0
[   29.508624][  T297]  deactivate_super+0xb8/0xe0
[   29.513308][  T297]  cleanup_mnt+0x3f1/0x480
[   29.517742][  T297]  __cleanup_mnt+0x1d/0x40
[   29.522151][  T297]  task_work_run+0x1e0/0x250
[   29.526773][  T297]  ? __cfi_task_work_run+0x10/0x10
[   29.531907][  T297]  ? free_nsproxy+0x223/0x290
[   29.536585][  T297]  do_exit+0x9bc/0x2630
[   29.540748][  T297]  ? __cfi_do_exit+0x10/0x10
[   29.545364][  T297]  ? __kasan_check_write+0x18/0x20
[   29.550486][  T297]  ? _raw_spin_lock_irq+0x8d/0x120
[   29.555598][  T297]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   29.561142][  T297]  ? zap_other_threads+0x334/0x370
[   29.566363][  T297]  do_group_exit+0x22a/0x300
[   29.570958][  T297]  __x64_sys_exit_group+0x43/0x50
[   29.575996][  T297]  x64_sys_call+0x2ed2/0x2ee0
[   29.580683][  T297]  do_syscall_64+0x58/0xf0
[   29.585103][  T297]  ? clear_bhb_loop+0x50/0xa0
[   29.589784][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   29.595681][  T297] RIP: 0033:0x7f4a9f349709
[   29.600094][  T297] Code: Unable to access opcode bytes at 0x7f4a9f3496df.
[   29.607105][  T297] RSP: 002b:00007ffe65a27418 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   29.615527][  T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4a9f349709
[   29.623495][  T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   29.631472][  T297] RBP: 00007f4a9f3c5350 R08: ffffffffffffffb8 R09: 0000000000000000
[   29.639466][  T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f4a9f3c5350
[   29.647430][  T297] R13: 0000000000000000 R14: 00007f4a9f3c5da0 R15: 00007f4a9f31a6f0
[   29.655436][  T297]  </TASK>
[   29.658456][  T297] Modules linked in:
[   29.662363][  T297] CR2: 0000000000000168
[   29.666520][  T297] ---[ end trace 0000000000000000 ]---
[   29.672066][  T297] RIP: 0010:ihold+0x2a/0x70
[   29.676577][  T297] 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
[   29.696262][  T297] RSP: 0018:ffffc9000124fac0 EFLAGS: 00010246
[   29.702328][  T297] RAX: ffff888102372600 RBX: 0000000000000000 RCX: ffff888102372600
[   29.710304][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   29.718353][  T297] RBP: ffffc9000124fad0 R08: ffffffff8896a947 R09: 1ffffffff112d528
[   29.726319][  T297] R10: dffffc0000000000 R11: fffffbfff112d529 R12: ffff88810132d6cc
[   29.734287][  T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   29.742250][  T297] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   29.751172][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.757749][  T297] CR2: 0000000000000168 CR3: 000000010ab52000 CR4: 00000000003526b0
[   29.765720][  T297] Kernel panic - not syncing: Fatal exception
[   29.772140][  T297] Kernel Offset: disabled
[   29.776481][  T297] Rebooting in 86400 seconds..