ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor2718913635

<...>
Warning: Permanently added '10.128.0.224' (ED25519) to the list of known hosts.
execve("ci2-android-5-15/syz-executor2718913635", ["ci2-android-5-15/syz-executor2718913635"], 0x7ffe26f44c60 /* 10 vars */) = 0
brk(NULL)                               = 0x555561fed000
brk(0x555561fede00)                     = 0x555561fede00
arch_prctl(ARCH_SET_FS, 0x555561fed480) = 0
set_tid_address(0x555561fed750)         = 303
set_robust_list(0x555561fed760, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-15/syz-executor2718913635", 4096) = 45
getrandom("\x6b\xad\xc1\xd3\x1c\x0d\x27\x49", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555561fede00
brk(0x55556200ee00)                     = 0x55556200ee00
brk(0x55556200f000)                     = 0x55556200f000
mprotect(0x7fc57c7c8000, 20480, 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=0x7fc57c71fed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc57c7235e0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fc57c71fed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc57c7235e0}, NULL, 8) = 0
getrandom("\x94\x43\x40\xdd\x54\x42\x66\x0b", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.iiFIHz", 0700)       = 0
chmod("./syzkaller.iiFIHz", 0777)       = 0
chdir("./syzkaller.iiFIHz")             = 0
unshare(CLONE_NEWPID)                   = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561fed750) = 304
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-15/strace-static-x86_64: Process 304 attached
[pid   304] set_robust_list(0x555561fed760, 24) = 0
[pid   304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   304] getppid()                   = 0
[pid   304] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   304] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   304] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   304] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   304] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   304] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   304] unshare(CLONE_NEWNS)        = 0
[pid   304] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   304] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   304] unshare(CLONE_NEWCGROUP)    = 0
[pid   304] unshare(CLONE_NEWUTS)       = 0
[pid   304] unshare(CLONE_SYSVSEM)      = 0
[pid   304] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   304] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   304] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   304] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   304] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   304] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   304] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   304] getpid()                    = 1
[pid   304] 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   304] 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   304] unshare(CLONE_NEWNET)       = 0
[pid   304] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   304] write(3, "0 65535", 7)      = 7
[pid   304] close(3)                    = 0
[pid   304] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   304] write(3, "100000", 6)       = 6
[pid   304] close(3)                    = 0
[pid   304] mkdir("./syz-tmp", 0777)    = 0
[   28.832761][   T30] audit: type=1400 audit(1793651616.777:64): avc:  denied  { execmem } for  pid=303 comm="syz-executor271" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   28.857235][   T30] audit: type=1400 audit(1793651616.797:65): avc:  denied  { mounton } for  pid=304 comm="syz-executor271" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   304] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   304] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   304] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   304] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   304] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   304] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   304] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   304] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   304] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   304] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   304] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   304] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   304] 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   304] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   304] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   304] 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   304] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   304] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   304] chdir("/")                  = 0
[pid   304] umount2("./pivot", MNT_DETACH) = 0
[pid   304] chroot("./newroot")         = 0
[pid   304] chdir("/")                  = 0
[pid   304] mkdir("/dev/gadgetfs", 0777) = 0
[   28.900653][   T30] audit: type=1400 audit(1793651616.847:66): avc:  denied  { mounton } for  pid=304 comm="syz-executor271" path="/root/syzkaller.iiFIHz/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   304] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   304] mkdir("/dev/binderfs", 0777) = 0
[pid   304] mount("binder", "/dev/binderfs", "binder", 0, "stats=global") = 0
[pid   304] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   304] mkdir("./0", 0777)          = 0
[pid   304] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   304] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   304] close(3)                    = 0
[pid   304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   304] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555561fed750) = 2
[pid   304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-15/strace-static-x86_64: Process 305 attached
[pid   305] set_robust_list(0x555561fed760, 24) = 0
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] chdir("./0")                = 0
[pid   305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   305] setpgid(0, 0)               = 0
[pid   305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   305] write(3, "1000", 4)         = 4
[pid   305] close(3)                    = 0
[pid   305] symlink("/dev/binderfs", "./binderfs") = 0
[pid   305] write(1, "executing program\n", 18) = 18
[pid   305] mkdir("./bus", 0777)        = 0
[pid   305] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
executing program
[pid   305] mount("", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_SILENT, NULL) = 0
[pid   305] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   305] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   305] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   305] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   305] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   305] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   305] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   305] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   305] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   305] exit_group(0)               = ?
[pid   305] +++ exited with 0 +++
[pid   304] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} ---
[   28.929502][   T30] audit: type=1400 audit(1793651616.847:67): avc:  denied  { mount } for  pid=304 comm="syz-executor271" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   28.932024][  T304] request_module fs-gadgetfs succeeded, but still no fs?
[   28.953186][   T30] audit: type=1400 audit(1793651616.867:68): avc:  denied  { mounton } for  pid=304 comm="syz-executor271" path="/root/syzkaller.iiFIHz/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
[   28.970412][  T305] incfs: ino conflict with backing FS 9
[pid   304] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   304] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   304] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   304] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0
[pid   304] getdents64(3, 0x555561fee810 /* 6 entries */, 32768) = 168
[pid   304] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   304] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   304] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   304] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   304] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   304] getdents64(4, 0x555561ff6850 /* 2 entries */, 32768) = 48
[pid   304] getdents64(4, 0x555561ff6850 /* 0 entries */, 32768) = 0
[pid   304] close(4)                    = 0
[pid   304] rmdir("./0/.incomplete")    = 0
[pid   304] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   304] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   304] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   304] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   304] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   304] getdents64(4, 0x555561ff6850 /* 2 entries */, 32768) = 48
[pid   304] getdents64(4, 0x555561ff6850 /* 0 entries */, 32768) = 0
[pid   304] close(4)                    = 0
[pid   304] rmdir("./0/.index")         = 0
[   28.986567][   T30] audit: type=1400 audit(1793651616.867:69): avc:  denied  { mounton } for  pid=304 comm="syz-executor271" path="/root/syzkaller.iiFIHz/syz-tmp/newroot/proc" dev="tmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   29.017535][   T30] audit: type=1400 audit(1793651616.867:70): avc:  denied  { mount } for  pid=304 comm="syz-executor271" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   29.017667][  T304] ------------[ cut here ]------------
[   29.040194][   T30] audit: type=1400 audit(1793651616.867:71): avc:  denied  { mounton } for  pid=304 comm="syz-executor271" path="/root/syzkaller.iiFIHz/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
[   29.040226][   T30] audit: type=1400 audit(1793651616.867:72): avc:  denied  { mounton } for  pid=304 comm="syz-executor271" path="/root/syzkaller.iiFIHz/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14237 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   29.040248][   T30] audit: type=1400 audit(1793651616.867:73): avc:  denied  { unmount } for  pid=304 comm="syz-executor271" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   29.127379][  T304] WARNING: CPU: 0 PID: 304 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   29.136573][  T304] Modules linked in:
[   29.140748][  T304] CPU: 0 PID: 304 Comm: syz-executor271 Not tainted syzkaller #0
[   29.149594][  T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   29.160380][  T304] RIP: 0010:drop_nlink+0xc5/0x110
[   29.165706][  T304] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 33 05 f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b 68 b2 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   29.185809][  T304] RSP: 0018:ffffc90000977bd0 EFLAGS: 00010293
[   29.191985][  T304] RAX: ffffffff81b76e65 RBX: ffff888123e59b50 RCX: ffff888106998000
[   29.199981][  T304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   29.208043][  T304] RBP: ffffc90000977bf8 R08: 0000000000000003 R09: 0000000000000004
[   29.216166][  T304] R10: dffffc0000000000 R11: fffff5200012ef68 R12: dffffc0000000000
[   29.225081][  T304] R13: 1ffff110247cb373 R14: ffff888123e59b98 R15: 0000000000000000
[   29.233333][  T304] FS:  0000555561fed480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   29.243038][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.249673][  T304] CR2: 0000559c4282b558 CR3: 0000000123c61000 CR4: 00000000003506b0
[   29.258004][  T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   29.266208][  T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   29.274243][  T304] Call Trace:
[   29.277608][  T304]  <TASK>
[   29.280684][  T304]  shmem_rmdir+0x5b/0x90
[   29.285063][  T304]  vfs_rmdir+0x1ae/0x450
[   29.289875][  T304]  incfs_kill_sb+0xfe/0x210
[   29.294392][  T304]  deactivate_locked_super+0xa0/0x100
[   29.299787][  T304]  deactivate_super+0xaf/0xe0
[   29.304765][  T304]  cleanup_mnt+0x44f/0x500
[   29.309305][  T304]  __cleanup_mnt+0x19/0x20
[   29.313791][  T304]  task_work_run+0x127/0x190
[   29.318532][  T304]  ptrace_notify+0x230/0x270
[   29.323225][  T304]  ? do_notify_parent+0x830/0x830
[   29.328381][  T304]  ? user_path_at_empty+0x162/0x1c0
[   29.333686][  T304]  ? __x64_sys_umount+0x12d/0x170
[   29.338933][  T304]  ? path_umount+0xfa0/0xfa0
[   29.343619][  T304]  syscall_exit_work+0x87/0x160
[   29.348664][  T304]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   29.355344][  T304]  syscall_exit_to_user_mode+0xd/0x30
[   29.360835][  T304]  do_syscall_64+0x58/0xa0
[   29.365258][  T304]  ? clear_bhb_loop+0x50/0xa0
[   29.370911][  T304]  ? clear_bhb_loop+0x50/0xa0
[   29.375592][  T304]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   29.381673][  T304] RIP: 0033:0x7fc57c73d6e7
[   29.386433][  T304] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 a4 03 09 00 00 00 00 00 eb 96 e8 d1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8
[   29.407467][  T304] RSP: 002b:00007fff9be677f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   29.416039][  T304] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc57c73d6e7
[   29.424332][  T304] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9be678b0
[   29.432334][  T304] RBP: 00007fff9be678b0 R08: 00007fff9be688b0 R09: 00000000ffffffff
[   29.440409][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9be68920
[   29.448512][  T304] R13: 0000555561fee7e0 R14: 431bde82d7b634db R15: 00007fff9be68940
[   29.456646][  T304]  </TASK>
[   29.459689][  T304] ---[ end trace d907c9c6886b588e ]---
[   29.465353][  T304] ==================================================================
[   29.473529][  T304] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   29.479758][  T304] Write of size 4 at addr 0000000000000170 by task syz-executor271/304
[   29.488237][  T304] 
[   29.490567][  T304] CPU: 0 PID: 304 Comm: syz-executor271 Tainted: G        W         syzkaller #0
[   29.499654][  T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   29.509693][  T304] Call Trace:
[   29.513736][  T304]  <TASK>
[   29.516670][  T304]  __dump_stack+0x21/0x30
[   29.520987][  T304]  dump_stack_lvl+0x110/0x170
[   29.525786][  T304]  ? show_regs_print_info+0x20/0x20
[   29.530967][  T304]  ? _raw_spin_lock+0x94/0xf0
[   29.535711][  T304]  ? _raw_spin_trylock_bh+0x150/0x150
[   29.541104][  T304]  ? ihold+0x20/0x60
[   29.544996][  T304]  kasan_report+0xcc/0x150
[   29.549420][  T304]  ? ihold+0x20/0x60
[   29.553305][  T304]  kasan_check_range+0x249/0x2a0
[   29.558312][  T304]  __kasan_check_write+0x14/0x20
[   29.563425][  T304]  ihold+0x20/0x60
[   29.567132][  T304]  vfs_rmdir+0x23d/0x450
[   29.571366][  T304]  incfs_kill_sb+0xfe/0x210
[   29.576066][  T304]  deactivate_locked_super+0xa0/0x100
[   29.581440][  T304]  deactivate_super+0xaf/0xe0
[   29.586135][  T304]  cleanup_mnt+0x44f/0x500
[   29.590539][  T304]  __cleanup_mnt+0x19/0x20
[   29.595026][  T304]  task_work_run+0x127/0x190
[   29.599870][  T304]  ptrace_notify+0x230/0x270
[   29.604465][  T304]  ? do_notify_parent+0x830/0x830
[   29.609483][  T304]  ? user_path_at_empty+0x162/0x1c0
[   29.614666][  T304]  ? __x64_sys_umount+0x12d/0x170
[   29.619720][  T304]  ? path_umount+0xfa0/0xfa0
[   29.624471][  T304]  syscall_exit_work+0x87/0x160
[   29.629338][  T304]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   29.635477][  T304]  syscall_exit_to_user_mode+0xd/0x30
[   29.641549][  T304]  do_syscall_64+0x58/0xa0
[   29.646838][  T304]  ? clear_bhb_loop+0x50/0xa0
[   29.651680][  T304]  ? clear_bhb_loop+0x50/0xa0
[   29.656342][  T304]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   29.662306][  T304] RIP: 0033:0x7fc57c73d6e7
[   29.666712][  T304] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 a4 03 09 00 00 00 00 00 eb 96 e8 d1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8
[   29.686567][  T304] RSP: 002b:00007fff9be677f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   29.694967][  T304] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc57c73d6e7
[   29.702920][  T304] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9be678b0
[   29.711133][  T304] RBP: 00007fff9be678b0 R08: 00007fff9be688b0 R09: 00000000ffffffff
[   29.719094][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9be68920
[   29.727252][  T304] R13: 0000555561fee7e0 R14: 431bde82d7b634db R15: 00007fff9be68940
[   29.735321][  T304]  </TASK>
[   29.738513][  T304] ==================================================================
[   29.749592][  T304] Disabling lock debugging due to kernel taint
[   29.755932][  T304] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   29.765140][  T304] #PF: supervisor write access in kernel mode
[   29.771588][  T304] #PF: error_code(0x0002) - not-present page
[   29.779043][  T304] PGD 0 P4D 0 
[   29.782558][  T304] Oops: 0002 [#1] PREEMPT SMP KASAN
[   29.787943][  T304] CPU: 0 PID: 304 Comm: syz-executor271 Tainted: G    B   W         syzkaller #0
[   29.797336][  T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   29.807827][  T304] RIP: 0010:ihold+0x26/0x60
[   29.812938][  T304] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 60 b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 20 fd f1 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 31
[   29.835744][  T304] RSP: 0018:ffffc90000977c10 EFLAGS: 00010246
[   29.842157][  T304] RAX: ffff888106998000 RBX: 0000000000000000 RCX: ffff888106998000
[   29.850158][  T304] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   29.858322][  T304] RBP: ffffc90000977c20 R08: 0000000000000003 R09: 0000000000000004
[   29.866779][  T304] R10: dffffc0000000000 R11: fffffbfff0e1904c R12: 1ffff110244994b0
[   29.875927][  T304] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   29.885027][  T304] FS:  0000555561fed480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   29.894045][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.900814][  T304] CR2: 0000000000000170 CR3: 0000000123c61000 CR4: 00000000003506b0
[   29.910567][  T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   29.920452][  T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   29.930546][  T304] Call Trace:
[   29.933819][  T304]  <TASK>
[   29.936741][  T304]  vfs_rmdir+0x23d/0x450
[   29.941502][  T304]  incfs_kill_sb+0xfe/0x210
[   29.946187][  T304]  deactivate_locked_super+0xa0/0x100
[   29.951633][  T304]  deactivate_super+0xaf/0xe0
[   29.956299][  T304]  cleanup_mnt+0x44f/0x500
[   29.960701][  T304]  __cleanup_mnt+0x19/0x20
[   29.965203][  T304]  task_work_run+0x127/0x190
[   29.969863][  T304]  ptrace_notify+0x230/0x270
[   29.974805][  T304]  ? do_notify_parent+0x830/0x830
[   29.979842][  T304]  ? user_path_at_empty+0x162/0x1c0
[   29.985513][  T304]  ? __x64_sys_umount+0x12d/0x170
[   29.990805][  T304]  ? path_umount+0xfa0/0xfa0
[   29.995390][  T304]  syscall_exit_work+0x87/0x160
[   30.001049][  T304]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   30.009037][  T304]  syscall_exit_to_user_mode+0xd/0x30
[   30.014605][  T304]  do_syscall_64+0x58/0xa0
[   30.019664][  T304]  ? clear_bhb_loop+0x50/0xa0
[   30.024346][  T304]  ? clear_bhb_loop+0x50/0xa0
[   30.029081][  T304]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   30.034958][  T304] RIP: 0033:0x7fc57c73d6e7
[   30.039496][  T304] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 a4 03 09 00 00 00 00 00 eb 96 e8 d1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8
[   30.059346][  T304] RSP: 002b:00007fff9be677f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   30.068312][  T304] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc57c73d6e7
[   30.076637][  T304] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff9be678b0
[   30.084696][  T304] RBP: 00007fff9be678b0 R08: 00007fff9be688b0 R09: 00000000ffffffff
[   30.092840][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff9be68920
[   30.101055][  T304] R13: 0000555561fee7e0 R14: 431bde82d7b634db R15: 00007fff9be68940
[   30.110431][  T304]  </TASK>
[   30.113639][  T304] Modules linked in:
[   30.117533][  T304] CR2: 0000000000000170
[   30.122392][  T304] ---[ end trace d907c9c6886b588f ]---
[   30.128215][  T304] RIP: 0010:ihold+0x26/0x60
[   30.132819][  T304] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 60 b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 20 fd f1 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 31
[   30.154607][  T304] RSP: 0018:ffffc90000977c10 EFLAGS: 00010246
[   30.160850][  T304] RAX: ffff888106998000 RBX: 0000000000000000 RCX: ffff888106998000
[   30.168829][  T304] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   30.177258][  T304] RBP: ffffc90000977c20 R08: 0000000000000003 R09: 0000000000000004
[   30.185417][  T304] R10: dffffc0000000000 R11: fffffbfff0e1904c R12: 1ffff110244994b0
[   30.193579][  T304] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   30.201909][  T304] FS:  0000555561fed480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   30.211269][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.217882][  T304] CR2: 0000000000000170 CR3: 0000000123c61000 CR4: 00000000003506b0
[   30.226174][  T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   30.234399][  T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   30.242795][  T304] Kernel panic - not syncing: Fatal exception
[   30.249233][  T304] Kernel Offset: disabled
[   30.253715][  T304] Rebooting in 86400 seconds..