./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2931683188

<...>
Warning: Permanently added '10.128.1.12' (ED25519) to the list of known hosts.
execve("./syz-executor2931683188", ["./syz-executor2931683188"], 0x7fffcb9c8d10 /* 10 vars */) = 0
brk(NULL)                               = 0x55556898b000
brk(0x55556898be00)                     = 0x55556898be00
arch_prctl(ARCH_SET_FS, 0x55556898b480) = 0
set_tid_address(0x55556898b750)         = 287
set_robust_list(0x55556898b760, 24)     = 0
rseq(0x55556898bda0, 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-executor2931683188", 4096) = 28
getrandom("\xd4\x7b\xf9\x1d\x97\x57\x72\xca", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556898be00
brk(0x5555689ace00)                     = 0x5555689ace00
brk(0x5555689ad000)                     = 0x5555689ad000
mprotect(0x7f51f1bbb000, 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=0x7f51f1b11df0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f51f1b19b20}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f51f1b11df0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f51f1b19b20}, NULL, 8) = 0
getrandom("\xfe\x5e\xff\x7a\x07\xf5\xf6\xcf", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.qBxFcd", 0700)       = 0
chmod("./syzkaller.qBxFcd", 0777)       = 0
chdir("./syzkaller.qBxFcd")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556898b750) = 288
./strace-static-x86_64: Process 288 attached
[pid   288] set_robust_list(0x55556898b760, 24) = 0
[pid   288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   288] getppid()                   = 0
[pid   288] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   288] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   288] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   288] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   288] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   288] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   288] unshare(CLONE_NEWNS)        = 0
[pid   288] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   288] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   288] unshare(CLONE_NEWCGROUP)    = 0
[pid   288] unshare(CLONE_NEWUTS)       = 0
[pid   288] unshare(CLONE_SYSVSEM)      = 0
[pid   288] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   288] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   288] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   288] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   288] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   288] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   288] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   288] getpid()                    = 1
[pid   288] 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   288] 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
[   24.931794][   T30] audit: type=1400 audit(1754163417.558:64): avc:  denied  { execmem } for  pid=287 comm="syz-executor293" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   288] unshare(CLONE_NEWNET)       = 0
[pid   288] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   288] write(3, "0 65535", 7)      = 7
[pid   288] close(3)                    = 0
[pid   288] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   288] write(3, "100000", 6)       = 6
[pid   288] close(3)                    = 0
[pid   288] mkdir("./syz-tmp", 0777)    = 0
[pid   288] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   288] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   288] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   288] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   288] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   288] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   288] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[   24.962677][   T30] audit: type=1400 audit(1754163417.588:65): avc:  denied  { mounton } for  pid=288 comm="syz-executor293" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   24.998774][   T30] audit: type=1400 audit(1754163417.628:66): avc:  denied  { mounton } for  pid=288 comm="syz-executor293" path="/root/syzkaller.qBxFcd/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   288] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   288] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   288] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   288] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   288] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   288] 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   288] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   288] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   288] 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   288] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   288] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   288] chdir("/")                  = 0
[pid   288] umount2("./pivot", MNT_DETACH) = 0
[pid   288] chroot("./newroot")         = 0
[pid   288] chdir("/")                  = 0
[pid   288] mkdir("/dev/gadgetfs", 0777) = 0
[pid   288] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   288] mkdir("/dev/binderfs", 0777) = 0
[pid   288] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   288] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   288] mkdir("./0", 0777)          = 0
[   25.023366][   T30] audit: type=1400 audit(1754163417.628:67): avc:  denied  { mount } for  pid=288 comm="syz-executor293" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   25.046202][   T30] audit: type=1400 audit(1754163417.658:68): avc:  denied  { mounton } for  pid=288 comm="syz-executor293" path="/root/syzkaller.qBxFcd/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   25.048443][  T288] request_module fs-gadgetfs succeeded, but still no fs?
[pid   288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   288] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   288] close(3)                    = 0
[pid   288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556898b750) = 2
./strace-static-x86_64: Process 289 attached
[pid   289] set_robust_list(0x55556898b760, 24) = 0
[pid   289] chdir("./0")                = 0
[pid   289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   289] setpgid(0, 0)               = 0
[pid   289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "1000", 4)         = 4
[pid   289] close(3)                    = 0
[pid   289] symlink("/dev/binderfs", "./binderfs") = 0
[pid   289] write(1, "executing program\n", 18executing program
) = 18
[pid   289] mkdir("./file0", 0777)      = 0
[pid   289] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   289] mount(".", "./file0/../file0", NULL, MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   289] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   289] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   289] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   289] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   289] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   289] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   289] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   289] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   289] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   289] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   289] exit_group(0)               = ?
[pid   289] +++ exited with 0 +++
[pid   288] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[   25.072370][   T30] audit: type=1400 audit(1754163417.658:69): avc:  denied  { mount } for  pid=288 comm="syz-executor293" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   25.090981][  T289] incfs: ino conflict with backing FS 9
[pid   288] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   288] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   288] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   288] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   288] getdents64(3, 0x55556898c7f0 /* 6 entries */, 32768) = 176
[pid   288] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   288] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   288] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   288] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   288] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   288] getdents64(4, 0x555568994830 /* 2 entries */, 32768) = 48
[pid   288] getdents64(4, 0x555568994830 /* 0 entries */, 32768) = 0
[pid   288] close(4)                    = 0
[pid   288] rmdir("./0/.incomplete")    = 0
[pid   288] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   288] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   288] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   288] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   288] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   288] getdents64(4, 0x555568994830 /* 2 entries */, 32768) = 48
[pid   288] getdents64(4, 0x555568994830 /* 0 entries */, 32768) = 0
[pid   288] close(4)                    = 0
[pid   288] rmdir("./0/.index")         = 0
[   25.116450][   T30] audit: type=1400 audit(1754163417.658:70): avc:  denied  { mounton } for  pid=288 comm="syz-executor293" path="/root/syzkaller.qBxFcd/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[   25.143283][   T30] audit: type=1400 audit(1754163417.658:71): avc:  denied  { mounton } for  pid=288 comm="syz-executor293" path="/root/syzkaller.qBxFcd/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=549 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.170844][   T30] audit: type=1400 audit(1754163417.658:72): avc:  denied  { unmount } for  pid=288 comm="syz-executor293" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.170943][  T288] ------------[ cut here ]------------
[   25.190563][   T30] audit: type=1400 audit(1754163417.678:73): avc:  denied  { mounton } for  pid=288 comm="syz-executor293" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   25.219262][  T288] WARNING: CPU: 0 PID: 288 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   25.227301][  T288] Modules linked in:
[   25.231253][  T288] CPU: 1 PID: 288 Comm: syz-executor293 Not tainted 5.15.189-syzkaller-00091-gf32b52534f1d #0
[   25.241598][  T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   25.251700][  T288] RIP: 0010:drop_nlink+0xc5/0x110
[   25.256758][  T288] 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 4b be b3 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   25.276524][  T288] RSP: 0018:ffffc90000967ba8 EFLAGS: 00010293
[   25.282875][  T288] RAX: ffffffff81b4f185 RBX: ffff8881247c26d8 RCX: ffff888121864f00
[   25.290969][  T288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.299173][  T288] RBP: ffffc90000967bd0 R08: 0000000000000004 R09: 0000000000000003
[   25.307173][  T288] R10: fffff5200012cf64 R11: 1ffff9200012cf64 R12: dffffc0000000000
[   25.315169][  T288] R13: 1ffff110248f84e4 R14: ffff8881247c2720 R15: 0000000000000000
[   25.323177][  T288] FS:  000055556898b480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   25.332132][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.338752][  T288] CR2: 0000555ec49df748 CR3: 0000000121c5b000 CR4: 00000000003506a0
[   25.346766][  T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.354775][  T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.362889][  T288] Call Trace:
[   25.366224][  T288]  <TASK>
[   25.369180][  T288]  shmem_rmdir+0x5b/0x90
[   25.373467][  T288]  vfs_rmdir+0x313/0x460
[   25.377849][  T288]  incfs_kill_sb+0x105/0x220
[   25.383228][  T288]  deactivate_locked_super+0xa0/0x100
[   25.388618][  T288]  deactivate_super+0xaf/0xe0
[   25.393341][  T288]  cleanup_mnt+0x446/0x500
[   25.397774][  T288]  __cleanup_mnt+0x19/0x20
[   25.402192][  T288]  task_work_run+0x127/0x190
[   25.406827][  T288]  ptrace_notify+0x212/0x250
[   25.411436][  T288]  ? do_notify_parent+0x800/0x800
[   25.416501][  T288]  ? user_path_at_empty+0x161/0x1c0
[   25.421736][  T288]  ? __x64_sys_umount+0x125/0x160
[   25.426812][  T288]  ? path_umount+0xf90/0xf90
[   25.431441][  T288]  syscall_exit_work+0x87/0x160
[   25.436332][  T288]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   25.442496][  T288]  syscall_exit_to_user_mode+0xd/0x30
[   25.447896][  T288]  do_syscall_64+0x58/0xa0
[   25.452333][  T288]  ? clear_bhb_loop+0x50/0xa0
[   25.457051][  T288]  ? clear_bhb_loop+0x50/0xa0
[   25.461739][  T288]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   25.468056][  T288] RIP: 0033:0x7f51f1b48207
[   25.472488][  T288] 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
[   25.492133][  T288] RSP: 002b:00007ffc8eb7ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   25.500599][  T288] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f51f1b48207
[   25.508593][  T288] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc8eb7bb40
[   25.516687][  T288] RBP: 00007ffc8eb7bb40 R08: 0000000000000000 R09: 0000000000000000
[   25.524798][  T288] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc8eb7cbb0
[   25.532789][  T288] R13: 000055556898c7c0 R14: 431bde82d7b634db R15: 00007ffc8eb7cbd0
[   25.540791][  T288]  </TASK>
[   25.543834][  T288] ---[ end trace 796f284c21ebaa55 ]---
[   25.549346][  T288] ==================================================================
[   25.557408][  T288] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   25.563654][  T288] Write of size 4 at addr 0000000000000170 by task syz-executor293/288
[   25.571886][  T288] 
[   25.574213][  T288] CPU: 1 PID: 288 Comm: syz-executor293 Tainted: G        W         5.15.189-syzkaller-00091-gf32b52534f1d #0
[   25.586161][  T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   25.597979][  T288] Call Trace:
[   25.601459][  T288]  <TASK>
[   25.604891][  T288]  __dump_stack+0x21/0x30
[   25.609277][  T288]  dump_stack_lvl+0xee/0x150
[   25.614280][  T288]  ? show_regs_print_info+0x20/0x20
[   25.619954][  T288]  ? _raw_spin_lock+0x8e/0xe0
[   25.624651][  T288]  ? _raw_spin_trylock_bh+0x130/0x130
[   25.630040][  T288]  ? ihold+0x20/0x60
[   25.633945][  T288]  kasan_report+0xe7/0x140
[   25.638371][  T288]  ? ihold+0x20/0x60
[   25.642267][  T288]  kasan_check_range+0x280/0x290
[   25.647206][  T288]  __kasan_check_write+0x14/0x20
[   25.652138][  T288]  ihold+0x20/0x60
[   25.655874][  T288]  vfs_rmdir+0x1f0/0x460
[   25.660117][  T288]  incfs_kill_sb+0x105/0x220
[   25.664703][  T288]  deactivate_locked_super+0xa0/0x100
[   25.670078][  T288]  deactivate_super+0xaf/0xe0
[   25.674750][  T288]  cleanup_mnt+0x446/0x500
[   25.679166][  T288]  __cleanup_mnt+0x19/0x20
[   25.683576][  T288]  task_work_run+0x127/0x190
[   25.688178][  T288]  ptrace_notify+0x212/0x250
[   25.692788][  T288]  ? do_notify_parent+0x800/0x800
[   25.697812][  T288]  ? user_path_at_empty+0x161/0x1c0
[   25.703006][  T288]  ? __x64_sys_umount+0x125/0x160
[   25.708028][  T288]  ? path_umount+0xf90/0xf90
[   25.712611][  T288]  syscall_exit_work+0x87/0x160
[   25.717458][  T288]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   25.723606][  T288]  syscall_exit_to_user_mode+0xd/0x30
[   25.728973][  T288]  do_syscall_64+0x58/0xa0
[   25.733392][  T288]  ? clear_bhb_loop+0x50/0xa0
[   25.738059][  T288]  ? clear_bhb_loop+0x50/0xa0
[   25.742751][  T288]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   25.748652][  T288] RIP: 0033:0x7f51f1b48207
[   25.753058][  T288] 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
[   25.772789][  T288] RSP: 002b:00007ffc8eb7ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   25.781209][  T288] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f51f1b48207
[   25.789179][  T288] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc8eb7bb40
[   25.797147][  T288] RBP: 00007ffc8eb7bb40 R08: 0000000000000000 R09: 0000000000000000
[   25.805114][  T288] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc8eb7cbb0
[   25.813161][  T288] R13: 000055556898c7c0 R14: 431bde82d7b634db R15: 00007ffc8eb7cbd0
[   25.821126][  T288]  </TASK>
[   25.824164][  T288] ==================================================================
[   25.832209][  T288] Disabling lock debugging due to kernel taint
[   25.838574][  T288] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   25.846390][  T288] #PF: supervisor write access in kernel mode
[   25.852454][  T288] #PF: error_code(0x0002) - not-present page
[   25.858432][  T288] PGD 0 P4D 0 
[   25.861813][  T288] Oops: 0002 [#1] PREEMPT SMP KASAN
[   25.867014][  T288] CPU: 1 PID: 288 Comm: syz-executor293 Tainted: G    B   W         5.15.189-syzkaller-00091-gf32b52534f1d #0
[   25.878639][  T288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   25.888690][  T288] RIP: 0010:ihold+0x26/0x60
[   25.893203][  T288] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 61 b6 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 e1
[   25.912896][  T288] RSP: 0018:ffffc90000967be8 EFLAGS: 00010246
[   25.919068][  T288] RAX: ffff888121864f00 RBX: 0000000000000000 RCX: ffff888121864f00
[   25.927041][  T288] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   25.935012][  T288] RBP: ffffc90000967bf8 R08: 0000000000000004 R09: 0000000000000003
[   25.943106][  T288] R10: fffffbfff0e17c4c R11: 1ffffffff0e17c4c R12: 1ffff110241338b0
[   25.951081][  T288] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   25.959053][  T288] FS:  000055556898b480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   25.967990][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.974664][  T288] CR2: 0000000000000170 CR3: 0000000121c5b000 CR4: 00000000003506a0
[   25.982653][  T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.990637][  T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.998633][  T288] Call Trace:
[   26.001915][  T288]  <TASK>
[   26.004938][  T288]  vfs_rmdir+0x1f0/0x460
[   26.009188][  T288]  incfs_kill_sb+0x105/0x220
[   26.013793][  T288]  deactivate_locked_super+0xa0/0x100
[   26.019171][  T288]  deactivate_super+0xaf/0xe0
[   26.023855][  T288]  cleanup_mnt+0x446/0x500
[   26.028301][  T288]  __cleanup_mnt+0x19/0x20
[   26.032722][  T288]  task_work_run+0x127/0x190
[   26.037323][  T288]  ptrace_notify+0x212/0x250
[   26.041920][  T288]  ? do_notify_parent+0x800/0x800
[   26.046953][  T288]  ? user_path_at_empty+0x161/0x1c0
[   26.052165][  T288]  ? __x64_sys_umount+0x125/0x160
[   26.057339][  T288]  ? path_umount+0xf90/0xf90
[   26.061949][  T288]  syscall_exit_work+0x87/0x160
[   26.066802][  T288]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   26.072973][  T288]  syscall_exit_to_user_mode+0xd/0x30
[   26.078643][  T288]  do_syscall_64+0x58/0xa0
[   26.083078][  T288]  ? clear_bhb_loop+0x50/0xa0
[   26.087756][  T288]  ? clear_bhb_loop+0x50/0xa0
[   26.092564][  T288]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   26.098460][  T288] RIP: 0033:0x7f51f1b48207
[   26.102880][  T288] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   26.122573][  T288] RSP: 002b:00007ffc8eb7ba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.130986][  T288] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f51f1b48207
[   26.138959][  T288] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc8eb7bb40
[   26.146928][  T288] RBP: 00007ffc8eb7bb40 R08: 0000000000000000 R09: 0000000000000000
[   26.154900][  T288] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc8eb7cbb0
[   26.163004][  T288] R13: 000055556898c7c0 R14: 431bde82d7b634db R15: 00007ffc8eb7cbd0
[   26.171095][  T288]  </TASK>
[   26.174119][  T288] Modules linked in:
[   26.178030][  T288] CR2: 0000000000000170
[   26.182198][  T288] ---[ end trace 796f284c21ebaa56 ]---
[   26.187662][  T288] RIP: 0010:ihold+0x26/0x60
[   26.192176][  T288] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 61 b6 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 e1
[   26.211878][  T288] RSP: 0018:ffffc90000967be8 EFLAGS: 00010246
[   26.218244][  T288] RAX: ffff888121864f00 RBX: 0000000000000000 RCX: ffff888121864f00
[   26.226561][  T288] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   26.234641][  T288] RBP: ffffc90000967bf8 R08: 0000000000000004 R09: 0000000000000003
[   26.242864][  T288] R10: fffffbfff0e17c4c R11: 1ffffffff0e17c4c R12: 1ffff110241338b0
[   26.251002][  T288] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   26.258994][  T288] FS:  000055556898b480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.268020][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.274626][  T288] CR2: 0000000000000170 CR3: 0000000121c5b000 CR4: 00000000003506a0
[   26.282602][  T288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.290664][  T288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.298656][  T288] Kernel panic - not syncing: Fatal exception
[   26.304951][  T288] Kernel Offset: disabled
[   26.309291][  T288] Rebooting in 86400 seconds..