./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2062703771

<...>
Warning: Permanently added '10.128.0.240' (ED25519) to the list of known hosts.
execve("./syz-executor2062703771", ["./syz-executor2062703771"], 0x7fffd6d2c390 /* 10 vars */) = 0
brk(NULL)                               = 0x55557f139000
brk(0x55557f139e00)                     = 0x55557f139e00
arch_prctl(ARCH_SET_FS, 0x55557f139480) = 0
set_tid_address(0x55557f139750)         = 288
set_robust_list(0x55557f139760, 24)     = 0
rseq(0x55557f139da0, 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-executor2062703771", 4096) = 28
getrandom("\x1a\xa8\x16\x6a\xdd\xe9\x01\x6a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557f139e00
brk(0x55557f15ae00)                     = 0x55557f15ae00
brk(0x55557f15b000)                     = 0x55557f15b000
mprotect(0x7fdac9b3c000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7fdac9a92df0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdac9a9ab20}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fdac9a92df0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fdac9a9ab20}, NULL, 8) = 0
mkdir("./syzkaller.mJqeks", 0700)       = 0
chmod("./syzkaller.mJqeks", 0777)       = 0
chdir("./syzkaller.mJqeks")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f139750) = 289
./strace-static-x86_64: Process 289 attached
[pid   289] set_robust_list(0x55557f139760, 24) = 0
[pid   289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   289] getppid()                   = 0
[pid   289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   289] unshare(CLONE_NEWNS)        = 0
[pid   289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   289] unshare(CLONE_NEWCGROUP)    = 0
[pid   289] unshare(CLONE_NEWUTS)       = 0
[pid   289] unshare(CLONE_SYSVSEM)      = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] getpid()                    = 1
[pid   289] 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   289] 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   289] unshare(CLONE_NEWNET)       = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "0 65535", 7)      = 7
[pid   289] close(3)                    = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "100000", 6)       = 6
[pid   289] close(3)                    = 0
[pid   289] mkdir("./syz-tmp", 0777)    = 0
[   23.063790][   T30] audit: type=1400 audit(1753240079.797:64): avc:  denied  { execmem } for  pid=288 comm="syz-executor206" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.089762][   T30] audit: type=1400 audit(1753240079.827:65): avc:  denied  { mounton } for  pid=289 comm="syz-executor206" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   289] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   289] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   289] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   289] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   289] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   289] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   289] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] 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   289] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   289] 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   289] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   289] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   289] chdir("/")                  = 0
[pid   289] umount2("./pivot", MNT_DETACH) = 0
[pid   289] chroot("./newroot")         = 0
[pid   289] chdir("/")                  = 0
[pid   289] mkdir("/dev/gadgetfs", 0777) = 0
[   23.130411][   T30] audit: type=1400 audit(1753240079.867:66): avc:  denied  { mounton } for  pid=289 comm="syz-executor206" path="/root/syzkaller.mJqeks/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.154941][   T30] audit: type=1400 audit(1753240079.867:67): avc:  denied  { mount } for  pid=289 comm="syz-executor206" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   289] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   289] mkdir("/dev/binderfs", 0777) = 0
[pid   289] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   289] mkdir("./0", 0777)          = 0
[pid   289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   289] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   289] close(3)                    = 0
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f139750) = 2
./strace-static-x86_64: Process 291 attached
[pid   291] set_robust_list(0x55557f139760, 24) = 0
[pid   291] chdir("./0")                = 0
[pid   291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   291] setpgid(0, 0)               = 0
[   23.177363][   T30] audit: type=1400 audit(1753240079.877:68): avc:  denied  { mounton } for  pid=289 comm="syz-executor206" path="/root/syzkaller.mJqeks/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
[   23.179367][  T289] request_module fs-gadgetfs succeeded, but still no fs?
[pid   291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   291] write(3, "1000", 4)         = 4
[pid   291] close(3)                    = 0
[pid   291] symlink("/dev/binderfs", "./binderfs") = 0
[pid   291] write(1, "executing program\n", 18executing program
) = 18
[pid   291] mkdir("./file0", 0777)      = 0
[pid   291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   291] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   291] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   291] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   291] exit_group(0)               = ?
[pid   291] +++ exited with 0 +++
[pid   289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   289] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   289] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   289] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(3, 0x55557f13a7f0 /* 6 entries */, 32768) = 176
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[   23.203434][   T30] audit: type=1400 audit(1753240079.877:69): avc:  denied  { mount } for  pid=289 comm="syz-executor206" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   23.232824][   T30] audit: type=1400 audit(1753240079.877:70): avc:  denied  { mounton } for  pid=289 comm="syz-executor206" path="/root/syzkaller.mJqeks/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
[   23.236338][  T291] incfs: ino conflict with backing FS 9
[pid   289] getdents64(4, 0x55557f142830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x55557f142830 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.incomplete")    = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x55557f142830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x55557f142830 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.index")         = 0
[   23.260476][   T30] audit: type=1400 audit(1753240079.877:71): avc:  denied  { mounton } for  pid=289 comm="syz-executor206" path="/root/syzkaller.mJqeks/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=2647 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   23.293477][  T289] ------------[ cut here ]------------
[   23.294786][   T30] audit: type=1400 audit(1753240079.887:72): avc:  denied  { unmount } for  pid=289 comm="syz-executor206" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   23.299217][  T289] WARNING: CPU: 0 PID: 289 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   23.318683][   T30] audit: type=1400 audit(1753240079.917:73): avc:  denied  { mounton } for  pid=289 comm="syz-executor206" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   23.349684][  T289] Modules linked in:
[   23.353607][  T289] CPU: 0 PID: 289 Comm: syz-executor206 Not tainted 5.15.189-syzkaller-00079-ga71626bd56a5 #0
[   23.363888][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   23.374323][  T289] RIP: 0010:drop_nlink+0xc5/0x110
[   23.379385][  T289] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 43 3b f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 cb c0 b3 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   23.399038][  T289] RSP: 0018:ffffc90000977ba8 EFLAGS: 00010293
[   23.405214][  T289] RAX: ffffffff81b4ef05 RBX: ffff8881246ff260 RCX: ffff88811d533b40
[   23.413256][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.421290][  T289] RBP: ffffc90000977bd0 R08: 0000000000000004 R09: 0000000000000003
[   23.429399][  T289] R10: fffff5200012ef64 R11: 1ffff9200012ef64 R12: dffffc0000000000
[   23.437409][  T289] R13: 1ffff110248dfe55 R14: ffff8881246ff2a8 R15: 0000000000000000
[   23.445384][  T289] FS:  000055557f139480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.454353][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.460978][  T289] CR2: 000055557f14a838 CR3: 0000000123ed4000 CR4: 00000000003506b0
[   23.468984][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.476996][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.484969][  T289] Call Trace:
[   23.488279][  T289]  <TASK>
[   23.491335][  T289]  shmem_rmdir+0x5b/0x90
[   23.495594][  T289]  vfs_rmdir+0x313/0x460
[   23.499887][  T289]  incfs_kill_sb+0x105/0x220
[   23.504494][  T289]  deactivate_locked_super+0xa0/0x100
[   23.509932][  T289]  deactivate_super+0xaf/0xe0
[   23.514656][  T289]  cleanup_mnt+0x446/0x500
[   23.519098][  T289]  __cleanup_mnt+0x19/0x20
[   23.523528][  T289]  task_work_run+0x127/0x190
[   23.528142][  T289]  ptrace_notify+0x212/0x250
[   23.532746][  T289]  ? do_notify_parent+0x800/0x800
[   23.537814][  T289]  ? user_path_at_empty+0x161/0x1c0
[   23.543027][  T289]  ? __x64_sys_umount+0x125/0x160
[   23.548078][  T289]  ? path_umount+0xf90/0xf90
[   23.552850][  T289]  syscall_exit_work+0x87/0x160
[   23.557753][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   23.563918][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   23.569317][  T289]  do_syscall_64+0x58/0xa0
[   23.573760][  T289]  ? clear_bhb_loop+0x50/0xa0
[   23.578460][  T289]  ? clear_bhb_loop+0x50/0xa0
[   23.583148][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   23.589067][  T289] RIP: 0033:0x7fdac9ac9207
[   23.593492][  T289] 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
[   23.613157][  T289] RSP: 002b:00007ffff1818978 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   23.621605][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdac9ac9207
[   23.629596][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff1818a30
[   23.637593][  T289] RBP: 00007ffff1818a30 R08: 0000000000000000 R09: 0000000000000000
[   23.645565][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffff1819aa0
[   23.653560][  T289] R13: 000055557f13a7c0 R14: 431bde82d7b634db R15: 00007ffff1819ac0
[   23.661563][  T289]  </TASK>
[   23.664583][  T289] ---[ end trace 96b7f768937c0b19 ]---
[   23.670126][  T289] ==================================================================
[   23.678299][  T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   23.684537][  T289] Write of size 4 at addr 0000000000000170 by task syz-executor206/289
[   23.692764][  T289] 
[   23.695092][  T289] CPU: 0 PID: 289 Comm: syz-executor206 Tainted: G        W         5.15.189-syzkaller-00079-ga71626bd56a5 #0
[   23.706708][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   23.716841][  T289] Call Trace:
[   23.720118][  T289]  <TASK>
[   23.723042][  T289]  __dump_stack+0x21/0x30
[   23.727367][  T289]  dump_stack_lvl+0xee/0x150
[   23.731951][  T289]  ? show_regs_print_info+0x20/0x20
[   23.737141][  T289]  ? _raw_spin_lock+0x8e/0xe0
[   23.741809][  T289]  ? _raw_spin_trylock_bh+0x130/0x130
[   23.747172][  T289]  ? ihold+0x20/0x60
[   23.751067][  T289]  kasan_report+0xe7/0x140
[   23.755476][  T289]  ? ihold+0x20/0x60
[   23.759363][  T289]  kasan_check_range+0x280/0x290
[   23.764289][  T289]  __kasan_check_write+0x14/0x20
[   23.769221][  T289]  ihold+0x20/0x60
[   23.772946][  T289]  vfs_rmdir+0x1f0/0x460
[   23.777183][  T289]  incfs_kill_sb+0x105/0x220
[   23.781766][  T289]  deactivate_locked_super+0xa0/0x100
[   23.787137][  T289]  deactivate_super+0xaf/0xe0
[   23.791804][  T289]  cleanup_mnt+0x446/0x500
[   23.796224][  T289]  __cleanup_mnt+0x19/0x20
[   23.800643][  T289]  task_work_run+0x127/0x190
[   23.805224][  T289]  ptrace_notify+0x212/0x250
[   23.809836][  T289]  ? do_notify_parent+0x800/0x800
[   23.814853][  T289]  ? user_path_at_empty+0x161/0x1c0
[   23.820044][  T289]  ? __x64_sys_umount+0x125/0x160
[   23.825060][  T289]  ? path_umount+0xf90/0xf90
[   23.829640][  T289]  syscall_exit_work+0x87/0x160
[   23.834615][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   23.840762][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   23.846127][  T289]  do_syscall_64+0x58/0xa0
[   23.850544][  T289]  ? clear_bhb_loop+0x50/0xa0
[   23.855217][  T289]  ? clear_bhb_loop+0x50/0xa0
[   23.859896][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   23.865887][  T289] RIP: 0033:0x7fdac9ac9207
[   23.870305][  T289] 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
[   23.889998][  T289] RSP: 002b:00007ffff1818978 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   23.898419][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdac9ac9207
[   23.906394][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff1818a30
[   23.914366][  T289] RBP: 00007ffff1818a30 R08: 0000000000000000 R09: 0000000000000000
[   23.922338][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffff1819aa0
[   23.930312][  T289] R13: 000055557f13a7c0 R14: 431bde82d7b634db R15: 00007ffff1819ac0
[   23.938290][  T289]  </TASK>
[   23.941315][  T289] ==================================================================
[   23.949365][  T289] Disabling lock debugging due to kernel taint
[   23.955724][  T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   23.963726][  T289] #PF: supervisor write access in kernel mode
[   23.969797][  T289] #PF: error_code(0x0002) - not-present page
[   23.976071][  T289] PGD 0 P4D 0 
[   23.979483][  T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[   23.984689][  T289] CPU: 0 PID: 289 Comm: syz-executor206 Tainted: G    B   W         5.15.189-syzkaller-00079-ga71626bd56a5 #0
[   23.996356][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   24.006440][  T289] RIP: 0010:ihold+0x26/0x60
[   24.010961][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 e1 b8 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 30 33 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 61
[   24.030580][  T289] RSP: 0018:ffffc90000977be8 EFLAGS: 00010246
[   24.036661][  T289] RAX: ffff88811d533b00 RBX: 0000000000000000 RCX: ffff88811d533b40
[   24.044633][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   24.052608][  T289] RBP: ffffc90000977bf8 R08: 0000000000000004 R09: 0000000000000003
[   24.060580][  T289] R10: fffffbfff0e17c4c R11: 1ffffffff0e17c4c R12: 1ffff110200b9ef4
[   24.068556][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   24.076535][  T289] FS:  000055557f139480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.085472][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.092088][  T289] CR2: 0000000000000170 CR3: 0000000123ed4000 CR4: 00000000003506b0
[   24.100068][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.108043][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.116024][  T289] Call Trace:
[   24.119308][  T289]  <TASK>
[   24.122244][  T289]  vfs_rmdir+0x1f0/0x460
[   24.126495][  T289]  incfs_kill_sb+0x105/0x220
[   24.131090][  T289]  deactivate_locked_super+0xa0/0x100
[   24.136464][  T289]  deactivate_super+0xaf/0xe0
[   24.141154][  T289]  cleanup_mnt+0x446/0x500
[   24.145580][  T289]  __cleanup_mnt+0x19/0x20
[   24.150018][  T289]  task_work_run+0x127/0x190
[   24.154634][  T289]  ptrace_notify+0x212/0x250
[   24.159279][  T289]  ? do_notify_parent+0x800/0x800
[   24.164308][  T289]  ? user_path_at_empty+0x161/0x1c0
[   24.169512][  T289]  ? __x64_sys_umount+0x125/0x160
[   24.174540][  T289]  ? path_umount+0xf90/0xf90
[   24.179134][  T289]  syscall_exit_work+0x87/0x160
[   24.183991][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.190149][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   24.195574][  T289]  do_syscall_64+0x58/0xa0
[   24.199991][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.204673][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.209355][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.215248][  T289] RIP: 0033:0x7fdac9ac9207
[   24.219667][  T289] 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
[   24.239284][  T289] RSP: 002b:00007ffff1818978 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   24.247965][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdac9ac9207
[   24.256053][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffff1818a30
[   24.264026][  T289] RBP: 00007ffff1818a30 R08: 0000000000000000 R09: 0000000000000000
[   24.272004][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffff1819aa0
[   24.279994][  T289] R13: 000055557f13a7c0 R14: 431bde82d7b634db R15: 00007ffff1819ac0
[   24.287995][  T289]  </TASK>
[   24.291022][  T289] Modules linked in:
[   24.294940][  T289] CR2: 0000000000000170
[   24.299103][  T289] ---[ end trace 96b7f768937c0b1a ]---
[   24.304559][  T289] RIP: 0010:ihold+0x26/0x60
[   24.309075][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 e1 b8 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 30 33 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 61
[   24.328686][  T289] RSP: 0018:ffffc90000977be8 EFLAGS: 00010246
[   24.334758][  T289] RAX: ffff88811d533b00 RBX: 0000000000000000 RCX: ffff88811d533b40
[   24.342731][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   24.350705][  T289] RBP: ffffc90000977bf8 R08: 0000000000000004 R09: 0000000000000003
[   24.358728][  T289] R10: fffffbfff0e17c4c R11: 1ffffffff0e17c4c R12: 1ffff110200b9ef4
[   24.366707][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   24.374682][  T289] FS:  000055557f139480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.383619][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.390203][  T289] CR2: 0000000000000170 CR3: 0000000123ed4000 CR4: 00000000003506b0
[   24.398180][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.406150][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.414124][  T289] Kernel panic - not syncing: Fatal exception
[   24.420396][  T289] Kernel Offset: disabled
[   24.424838][  T289] Rebooting in 86400 seconds..