ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor2723469491

<...>
Warning: Permanently added '10.128.0.207' (ED25519) to the list of known hosts.
execve("ci2-android-6-1/syz-executor2723469491", ["ci2-android-6-1/syz-executor2723469491"], 0x7fff00d9eb50 /* 10 vars */) = 0
brk(NULL)                               = 0x555556b30000
brk(0x555556b30e00)                     = 0x555556b30e00
arch_prctl(ARCH_SET_FS, 0x555556b30480) = 0
set_tid_address(0x555556b30750)         = 305
set_robust_list(0x555556b30760, 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-6-1/syz-executor2723469491", 4096) = 44
getrandom("\xeb\xf7\x82\xea\x26\xa6\xbb\x32", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556b30e00
brk(0x555556b51e00)                     = 0x555556b51e00
brk(0x555556b52000)                     = 0x555556b52000
mprotect(0x7f8687393000, 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=0x7f86872eaeb0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f86872ee560}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f86872eaeb0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f86872ee560}, NULL, 8) = 0
getrandom("\xec\x28\xa2\x8f\x73\xef\xa7\x16", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.iyVbaJ", 0700)       = 0
chmod("./syzkaller.iyVbaJ", 0777)       = 0
chdir("./syzkaller.iyVbaJ")             = 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=0x555556b30750) = 306
ci2-android-6-1/strace-static-x86_64: Process 306 attached
[pid   305] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   306] set_robust_list(0x555556b30760, 24) = 0
[pid   306] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid   305] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   306] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid   306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   306] getppid()                   = 0
[pid   306] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   306] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   306] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   306] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   306] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   306] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   306] unshare(CLONE_NEWNS)        = 0
[pid   306] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   306] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   306] unshare(CLONE_NEWCGROUP)    = 0
[pid   306] unshare(CLONE_NEWUTS)       = 0
[pid   306] unshare(CLONE_SYSVSEM)      = 0
[pid   306] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   306] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   306] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   306] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   306] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   306] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   306] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   306] getpid()                    = 1
[pid   306] 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   306] 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   306] unshare(CLONE_NEWNET)       = 0
[pid   306] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   306] write(3, "0 65535", 7)      = 7
[pid   306] close(3)                    = 0
[pid   306] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   306] write(3, "100000", 6)       = 6
[pid   306] close(3)                    = 0
[pid   306] mkdir("./syz-tmp", 0777)    = 0
[   32.291208][   T28] audit: type=1400 audit(1790726236.996:64): avc:  denied  { execmem } for  pid=305 comm="syz-executor272" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   32.313115][   T28] audit: type=1400 audit(1790726237.016:65): avc:  denied  { mounton } for  pid=306 comm="syz-executor272" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   306] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   306] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   306] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   306] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   306] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   306] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   306] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   306] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   306] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   306] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   306] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   306] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   306] 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   306] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   306] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   306] 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   306] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   306] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   306] chdir("/")                  = 0
[pid   306] umount2("./pivot", MNT_DETACH) = 0
[pid   306] chroot("./newroot")         = 0
[pid   306] chdir("/")                  = 0
[pid   306] mkdir("/dev/gadgetfs", 0777) = 0
[   32.345449][   T28] audit: type=1400 audit(1790726237.046:66): avc:  denied  { mounton } for  pid=306 comm="syz-executor272" path="/root/syzkaller.iyVbaJ/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   32.370220][   T28] audit: type=1400 audit(1790726237.046:67): avc:  denied  { mount } for  pid=306 comm="syz-executor272" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   306] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   306] mkdir("/dev/binderfs", 0777) = 0
[pid   306] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   306] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   306] mkdir("./0", 0777)          = 0
[pid   306] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   306] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   306] close(3)                    = 0
[pid   306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b30750) = 2
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-1/strace-static-x86_64: Process 307 attached
[pid   307] set_robust_list(0x555556b30760, 24) = 0
[pid   307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   307] chdir("./0")                = 0
[pid   307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   307] setpgid(0, 0)               = 0
[pid   307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   307] write(3, "1000", 4)         = 4
[pid   307] close(3)                    = 0
[pid   307] symlink("/dev/binderfs", "./binderfs") = 0
[pid   307] write(1, "executing program\n", 18) = 18
[pid   307] mkdir("./bus", 0777)        = 0
executing program
[pid   307] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[   32.374080][  T306] request_module fs-gadgetfs succeeded, but still no fs?
[   32.394000][   T28] audit: type=1400 audit(1790726237.046:68): avc:  denied  { mounton } for  pid=306 comm="syz-executor272" path="/root/syzkaller.iyVbaJ/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
[pid   307] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL) = 0
[pid   307] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   307] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   307] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   307] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   307] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   307] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   307] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   307] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   307] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   307] exit_group(0)               = ?
[pid   307] +++ exited with 0 +++
[pid   306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} ---
[pid   306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   306] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   306] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   306] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0
[pid   306] getdents64(3, 0x555556b31810 /* 6 entries */, 32768) = 168
[pid   306] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   306] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   306] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   306] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   306] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   306] getdents64(4, 0x555556b39850 /* 2 entries */, 32768) = 48
[pid   306] getdents64(4, 0x555556b39850 /* 0 entries */, 32768) = 0
[pid   306] close(4)                    = 0
[pid   306] rmdir("./0/.incomplete")    = 0
[pid   306] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   306] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   306] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   306] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   306] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   306] getdents64(4, 0x555556b39850 /* 2 entries */, 32768) = 48
[pid   306] getdents64(4, 0x555556b39850 /* 0 entries */, 32768) = 0
[pid   306] close(4)                    = 0
[pid   306] rmdir("./0/.index")         = 0
[   32.425764][   T28] audit: type=1400 audit(1790726237.046:69): avc:  denied  { mounton } for  pid=306 comm="syz-executor272" path="/root/syzkaller.iyVbaJ/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
[   32.428338][  T307] incfs: ino conflict with backing FS 9
[   32.452490][   T28] audit: type=1400 audit(1790726237.046:70): avc:  denied  { mount } for  pid=306 comm="syz-executor272" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   32.479625][   T28] audit: type=1400 audit(1790726237.046:71): avc:  denied  { mounton } for  pid=306 comm="syz-executor272" path="/root/syzkaller.iyVbaJ/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
[   32.506654][   T28] audit: type=1400 audit(1790726237.046:72): avc:  denied  { mounton } for  pid=306 comm="syz-executor272" path="/root/syzkaller.iyVbaJ/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=12056 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   32.506936][  T306] ------------[ cut here ]------------
[   32.534264][   T28] audit: type=1400 audit(1790726237.046:73): avc:  denied  { unmount } for  pid=306 comm="syz-executor272" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   32.539752][  T306] WARNING: CPU: 1 PID: 306 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   32.567523][  T306] Modules linked in:
[   32.571503][  T306] CPU: 1 PID: 306 Comm: syz-executor272 Not tainted syzkaller #0
[   32.579240][  T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   32.589355][  T306] RIP: 0010:drop_nlink+0xc5/0x110
[   32.594481][  T306] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 03 aa f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2b 1c ab ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   32.614212][  T306] RSP: 0018:ffffc90000df7b60 EFLAGS: 00010293
[   32.620304][  T306] RAX: ffffffff81c65215 RBX: ffff88811d6f4fa0 RCX: ffff888121880000
[   32.628351][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   32.636379][  T306] RBP: ffffc90000df7b88 R08: 0000000000000003 R09: 0000000000000004
[   32.644415][  T306] R10: dffffc0000000000 R11: fffff520001bef5c R12: dffffc0000000000
[   32.652444][  T306] R13: 1ffff11023ade9fd R14: ffff88811d6f4fe8 R15: 0000000000000000
[   32.660434][  T306] FS:  0000555556b30480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   32.669442][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.676105][  T306] CR2: 0000555556b41858 CR3: 0000000110539000 CR4: 00000000003506a0
[   32.684152][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.692201][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.700228][  T306] Call Trace:
[   32.703566][  T306]  <TASK>
[   32.706515][  T306]  shmem_rmdir+0x5b/0x90
[   32.710799][  T306]  vfs_rmdir+0x381/0x4f0
[   32.715112][  T306]  incfs_kill_sb+0xfe/0x210
[   32.719672][  T306]  deactivate_locked_super+0xb5/0x120
[   32.725140][  T306]  deactivate_super+0xaf/0xe0
[   32.729850][  T306]  cleanup_mnt+0x45e/0x4e0
[   32.734322][  T306]  __cleanup_mnt+0x19/0x20
[   32.738775][  T306]  task_work_run+0x1e1/0x250
[   32.743417][  T306]  ? __cfi_task_work_run+0x10/0x10
[   32.748651][  T306]  ? path_umount+0x345/0xf60
[   32.753318][  T306]  ? __kasan_slab_free+0x11/0x20
[   32.758316][  T306]  ptrace_notify+0x23f/0x270
[   32.763058][  T306]  ? __cfi_path_umount+0x10/0x10
[   32.768024][  T306]  ? __cfi_ptrace_notify+0x10/0x10
[   32.773371][  T306]  ? user_path_at_empty+0x162/0x1c0
[   32.778850][  T306]  ? __x64_sys_umount+0x12d/0x170
[   32.783937][  T306]  ? __cfi___x64_sys_umount+0x10/0x10
[   32.789361][  T306]  ? fpregs_restore_userregs+0x128/0x260
[   32.795075][  T306]  syscall_exit_work+0x84/0x140
[   32.799951][  T306]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   32.806189][  T306]  syscall_exit_to_user_mode+0xd/0x30
[   32.811659][  T306]  do_syscall_64+0x58/0xa0
[   32.816104][  T306]  ? clear_bhb_loop+0x30/0x80
[   32.820800][  T306]  ? clear_bhb_loop+0x30/0x80
[   32.825573][  T306]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   32.831536][  T306] RIP: 0033:0x7f8687308667
[   32.835983][  T306] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 24 04 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
[   32.855651][  T306] RSP: 002b:00007ffcbe9ee838 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   32.864137][  T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8687308667
[   32.872213][  T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcbe9ee8f0
[   32.880228][  T306] RBP: 00007ffcbe9ee8f0 R08: 00007ffcbe9ef8f0 R09: 00000000ffffffff
[   32.888263][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcbe9ef960
[   32.896308][  T306] R13: 0000555556b317e0 R14: 431bde82d7b634db R15: 00007ffcbe9ef980
[   32.904366][  T306]  </TASK>
[   32.907413][  T306] ---[ end trace 0000000000000000 ]---
[   32.913077][  T306] ==================================================================
[   32.921164][  T306] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   32.927707][  T306] Write of size 4 at addr 0000000000000170 by task syz-executor272/306
[   32.936232][  T306] 
[   32.938555][  T306] CPU: 1 PID: 306 Comm: syz-executor272 Tainted: G        W          syzkaller #0
[   32.947797][  T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   32.958066][  T306] Call Trace:
[   32.961355][  T306]  <TASK>
[   32.964288][  T306]  __dump_stack+0x21/0x24
[   32.968643][  T306]  dump_stack_lvl+0x110/0x170
[   32.973333][  T306]  ? __cfi_dump_stack_lvl+0x8/0x8
[   32.978360][  T306]  ? __cfi_call_rcu+0x10/0x10
[   32.983058][  T306]  ? ihold+0x20/0x60
[   32.986970][  T306]  ? ihold+0x20/0x60
[   32.990871][  T306]  print_report+0x3d/0x60
[   32.995400][  T306]  kasan_report+0x122/0x150
[   32.999907][  T306]  ? ihold+0x20/0x60
[   33.003809][  T306]  kasan_check_range+0x249/0x2a0
[   33.008778][  T306]  __kasan_check_write+0x14/0x20
[   33.014154][  T306]  ihold+0x20/0x60
[   33.017967][  T306]  vfs_rmdir+0x24c/0x4f0
[   33.022212][  T306]  incfs_kill_sb+0xfe/0x210
[   33.026772][  T306]  deactivate_locked_super+0xb5/0x120
[   33.032187][  T306]  deactivate_super+0xaf/0xe0
[   33.036866][  T306]  cleanup_mnt+0x45e/0x4e0
[   33.041285][  T306]  __cleanup_mnt+0x19/0x20
[   33.045703][  T306]  task_work_run+0x1e1/0x250
[   33.050311][  T306]  ? __cfi_task_work_run+0x10/0x10
[   33.055442][  T306]  ? path_umount+0x345/0xf60
[   33.060033][  T306]  ? __kasan_slab_free+0x11/0x20
[   33.064972][  T306]  ptrace_notify+0x23f/0x270
[   33.069566][  T306]  ? __cfi_path_umount+0x10/0x10
[   33.074508][  T306]  ? __cfi_ptrace_notify+0x10/0x10
[   33.079719][  T306]  ? user_path_at_empty+0x162/0x1c0
[   33.084917][  T306]  ? __x64_sys_umount+0x12d/0x170
[   33.089943][  T306]  ? __cfi___x64_sys_umount+0x10/0x10
[   33.095318][  T306]  ? fpregs_restore_userregs+0x128/0x260
[   33.100970][  T306]  syscall_exit_work+0x84/0x140
[   33.105827][  T306]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   33.111983][  T306]  syscall_exit_to_user_mode+0xd/0x30
[   33.117359][  T306]  do_syscall_64+0x58/0xa0
[   33.121819][  T306]  ? clear_bhb_loop+0x30/0x80
[   33.126519][  T306]  ? clear_bhb_loop+0x30/0x80
[   33.131215][  T306]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   33.137112][  T306] RIP: 0033:0x7f8687308667
[   33.141528][  T306] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 24 04 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
[   33.161230][  T306] RSP: 002b:00007ffcbe9ee838 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   33.169664][  T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8687308667
[   33.177654][  T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcbe9ee8f0
[   33.185641][  T306] RBP: 00007ffcbe9ee8f0 R08: 00007ffcbe9ef8f0 R09: 00000000ffffffff
[   33.193626][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcbe9ef960
[   33.201644][  T306] R13: 0000555556b317e0 R14: 431bde82d7b634db R15: 00007ffcbe9ef980
[   33.209719][  T306]  </TASK>
[   33.212752][  T306] ==================================================================
[   33.221148][  T306] Disabling lock debugging due to kernel taint
[   33.227342][  T306] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   33.235184][  T306] #PF: supervisor write access in kernel mode
[   33.241257][  T306] #PF: error_code(0x0002) - not-present page
[   33.247248][  T306] PGD 0 P4D 0 
[   33.250659][  T306] Oops: 0002 [#1] PREEMPT SMP KASAN
[   33.255893][  T306] CPU: 1 PID: 306 Comm: syz-executor272 Tainted: G    B   W          syzkaller #0
[   33.265275][  T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   33.275426][  T306] RIP: 0010:ihold+0x26/0x60
[   33.280126][  T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 91 13 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 a1 f0 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 81
[   33.300184][  T306] RSP: 0018:ffffc90000df7ba0 EFLAGS: 00010246
[   33.306263][  T306] RAX: ffff888121880000 RBX: 0000000000000000 RCX: ffff888121880000
[   33.314250][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   33.322235][  T306] RBP: ffffc90000df7bb0 R08: ffffffff87b767e7 R09: 1ffffffff0f6ecfc
[   33.330221][  T306] R10: dffffc0000000000 R11: fffffbfff0f6ecfd R12: ffff88811d6f4fac
[   33.338229][  T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   33.346212][  T306] FS:  0000555556b30480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   33.355165][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.361763][  T306] CR2: 0000000000000170 CR3: 0000000110539000 CR4: 00000000003506a0
[   33.369762][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.377749][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.385737][  T306] Call Trace:
[   33.389078][  T306]  <TASK>
[   33.392030][  T306]  vfs_rmdir+0x24c/0x4f0
[   33.396741][  T306]  incfs_kill_sb+0xfe/0x210
[   33.401274][  T306]  deactivate_locked_super+0xb5/0x120
[   33.406708][  T306]  deactivate_super+0xaf/0xe0
[   33.411410][  T306]  cleanup_mnt+0x45e/0x4e0
[   33.415839][  T306]  __cleanup_mnt+0x19/0x20
[   33.420273][  T306]  task_work_run+0x1e1/0x250
[   33.424888][  T306]  ? __cfi_task_work_run+0x10/0x10
[   33.430013][  T306]  ? path_umount+0x345/0xf60
[   33.434707][  T306]  ? __kasan_slab_free+0x11/0x20
[   33.439666][  T306]  ptrace_notify+0x23f/0x270
[   33.444273][  T306]  ? __cfi_path_umount+0x10/0x10
[   33.449252][  T306]  ? __cfi_ptrace_notify+0x10/0x10
[   33.454404][  T306]  ? user_path_at_empty+0x162/0x1c0
[   33.459705][  T306]  ? __x64_sys_umount+0x12d/0x170
[   33.464747][  T306]  ? __cfi___x64_sys_umount+0x10/0x10
[   33.470138][  T306]  ? fpregs_restore_userregs+0x128/0x260
[   33.475791][  T306]  syscall_exit_work+0x84/0x140
[   33.480665][  T306]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   33.486922][  T306]  syscall_exit_to_user_mode+0xd/0x30
[   33.492312][  T306]  do_syscall_64+0x58/0xa0
[   33.496750][  T306]  ? clear_bhb_loop+0x30/0x80
[   33.501448][  T306]  ? clear_bhb_loop+0x30/0x80
[   33.506137][  T306]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   33.512047][  T306] RIP: 0033:0x7f8687308667
[   33.516474][  T306] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 24 04 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
[   33.536096][  T306] RSP: 002b:00007ffcbe9ee838 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   33.544523][  T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8687308667
[   33.552508][  T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcbe9ee8f0
[   33.560488][  T306] RBP: 00007ffcbe9ee8f0 R08: 00007ffcbe9ef8f0 R09: 00000000ffffffff
[   33.568473][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcbe9ef960
[   33.576460][  T306] R13: 0000555556b317e0 R14: 431bde82d7b634db R15: 00007ffcbe9ef980
[   33.584470][  T306]  </TASK>
[   33.587502][  T306] Modules linked in:
[   33.591418][  T306] CR2: 0000000000000170
[   33.595577][  T306] ---[ end trace 0000000000000000 ]---
[   33.601036][  T306] RIP: 0010:ihold+0x26/0x60
[   33.605563][  T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 91 13 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 a1 f0 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 81
[   33.625186][  T306] RSP: 0018:ffffc90000df7ba0 EFLAGS: 00010246
[   33.631265][  T306] RAX: ffff888121880000 RBX: 0000000000000000 RCX: ffff888121880000
[   33.639253][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   33.647236][  T306] RBP: ffffc90000df7bb0 R08: ffffffff87b767e7 R09: 1ffffffff0f6ecfc
[   33.655222][  T306] R10: dffffc0000000000 R11: fffffbfff0f6ecfd R12: ffff88811d6f4fac
[   33.663205][  T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   33.671270][  T306] FS:  0000555556b30480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   33.680214][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.686831][  T306] CR2: 0000000000000170 CR3: 0000000110539000 CR4: 00000000003506a0
[   33.694821][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.702798][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.710777][  T306] Kernel panic - not syncing: Fatal exception
[   33.717486][  T306] Kernel Offset: disabled
[   33.721840][  T306] Rebooting in 86400 seconds..