ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor3618895506

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syzkaller
syzkaller login: [   21.050484][   T36] kauditd_printk_skb: 16 callbacks suppressed
[   21.050502][   T36] audit: type=1400 audit(1788374911.850:59): avc:  denied  { transition } for  pid=275 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.055619][   T36] audit: type=1400 audit(1788374911.850:60): avc:  denied  { noatsecure } for  pid=275 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.059211][   T36] audit: type=1400 audit(1788374911.850:61): avc:  denied  { write } for  pid=275 comm="sh" path="pipe:[2042]" dev="pipefs" ino=2042 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   21.063757][   T36] audit: type=1400 audit(1788374911.850:62): avc:  denied  { rlimitinh } for  pid=275 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.067026][   T36] audit: type=1400 audit(1788374911.850:63): avc:  denied  { siginh } for  pid=275 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts.
execve("ci2-android-6-12-rust/syz-executor3618895506", ["ci2-android-6-12-rust/syz-executor3618895506"], 0x7ffecab66100 /* 10 vars */) = 0
brk(NULL)                               = 0x55557bd58000
brk(0x55557bd58d40)                     = 0x55557bd58d40
arch_prctl(ARCH_SET_FS, 0x55557bd583c0) = 0
set_tid_address(0x55557bd58690)         = 313
set_robust_list(0x55557bd586a0, 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-6-12-rust/syz-executor3618895506", 4096) = 50
getrandom("\x6b\xa4\x0b\x6b\xe3\xae\x86\x02", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557bd58d40
brk(0x55557bd79d40)                     = 0x55557bd79d40
brk(0x55557bd7a000)                     = 0x55557bd7a000
mprotect(0x7f5c881cf000, 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
getrandom("\xce\x56\xd0\x76\xb3\x10\x2a\xc0", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.a1GNB0", 0700)       = 0
chmod("./syzkaller.a1GNB0", 0777)       = 0
chdir("./syzkaller.a1GNB0")             = 0
unshare(CLONE_NEWPID)                   = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 314 attached
, child_tidptr=0x55557bd58690) = 314
[pid   314] set_robust_list(0x55557bd586a0, 24) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   314] getppid()                   = 0
[pid   314] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   314] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   314] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   314] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   314] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   314] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   314] unshare(CLONE_NEWNS)        = 0
[pid   314] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   314] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   314] unshare(CLONE_NEWCGROUP)    = 0
[pid   314] unshare(CLONE_NEWUTS)       = 0
[pid   314] unshare(CLONE_SYSVSEM)      = 0
[pid   314] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   314] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   314] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   314] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   314] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   314] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   314] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   314] getpid()                    = 1
[pid   314] 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   314] 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   314] unshare(CLONE_NEWNET)       = 0
[pid   314] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   314] write(3, "0 65535", 7)      = 7
[pid   314] close(3)                    = 0
[pid   314] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   314] write(3, "100000", 6)       = 6
[pid   314] close(3)                    = 0
[pid   314] mkdir("./syz-tmp", 0777)    = 0
[pid   314] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   314] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   314] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   314] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   314] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   314] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   314] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   314] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   314] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   314] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   314] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   314] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   314] 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   314] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   314] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   314] 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   314] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   314] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   314] chdir("/")                  = 0
[   30.890251][   T36] audit: type=1400 audit(1788374921.680:64): avc:  denied  { execmem } for  pid=313 comm="syz-executor361" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   30.912161][   T36] audit: type=1400 audit(1788374921.710:65): avc:  denied  { mounton } for  pid=314 comm="syz-executor361" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   314] umount2("./pivot", MNT_DETACH) = 0
[pid   314] chroot("./newroot")         = 0
[pid   314] chdir("/")                  = 0
[pid   314] mkdir("/dev/gadgetfs", 0777) = 0
[pid   314] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   314] mkdir("/dev/binderfs", 0777) = 0
[pid   314] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   314] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   314] mkdir("./0", 0777)          = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557bd58690) = 2
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 315 attached
[pid   315] set_robust_list(0x55557bd586a0, 24) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] chdir("./0")                = 0
[pid   315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   315] setpgid(0, 0)               = 0
[pid   315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   315] write(3, "1000", 4)         = 4
[pid   315] close(3)                    = 0
[pid   315] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   315] write(1, "executing program\n", 18) = 18
[pid   315] mkdir("./bus", 000)         = 0
[pid   315] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_I_VERSION|MS_STRICTATIME, NULL) = 0
[pid   315] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   315] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   315] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   315] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   315] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   315] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   315] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   315] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(17)                   = -1 EBADF (Bad file descriptor)
[   30.934669][   T36] audit: type=1400 audit(1788374921.720:66): avc:  denied  { mounton } for  pid=314 comm="syz-executor361" path="/root/syzkaller.a1GNB0/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   30.959247][   T36] audit: type=1400 audit(1788374921.720:67): avc:  denied  { mount } for  pid=314 comm="syz-executor361" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   30.969020][  T315] incfs: ino conflict with backing FS 9
[pid   315] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   315] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   315] exit_group(0)               = ?
[pid   315] +++ exited with 0 +++
[pid   314] --- 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   314] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   314] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   314] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   314] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0
[pid   314] getdents64(3, 0x55557bd59760 /* 6 entries */, 32768) = 168
[pid   314] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   314] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   314] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   314] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   314] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   314] getdents64(4, 0x55557bd617a0 /* 2 entries */, 32768) = 48
[pid   314] getdents64(4, 0x55557bd617a0 /* 0 entries */, 32768) = 0
[pid   314] close(4)                    = 0
[pid   314] rmdir("./0/.incomplete")    = 0
[pid   314] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   314] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   314] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   314] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   314] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   314] getdents64(4, 0x55557bd617a0 /* 2 entries */, 32768) = 48
[pid   314] getdents64(4, 0x55557bd617a0 /* 0 entries */, 32768) = 0
[pid   314] close(4)                    = 0
[pid   314] rmdir("./0/.index")         = 0
[   30.982006][   T36] audit: type=1400 audit(1788374921.720:68): avc:  denied  { mounton } for  pid=314 comm="syz-executor361" path="/root/syzkaller.a1GNB0/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
[   31.013213][   T36] audit: type=1400 audit(1788374921.720:69): avc:  denied  { mount } for  pid=314 comm="syz-executor361" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   31.013403][  T314] ------------[ cut here ]------------
[   31.035732][   T36] audit: type=1400 audit(1788374921.720:70): avc:  denied  { mounton } for  pid=314 comm="syz-executor361" path="/root/syzkaller.a1GNB0/syz-tmp/newroot/selinux" dev="tmpfs" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   31.041064][  T314] WARNING: CPU: 0 PID: 314 at fs/inode.c:340 drop_nlink+0xce/0x110
[   31.067260][   T36] audit: type=1400 audit(1788374921.730:71): avc:  denied  { mounton } for  pid=314 comm="syz-executor361" path="/root/syzkaller.a1GNB0/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
[   31.075074][  T314] Modules linked in:
[   31.075090][  T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor361 Not tainted syzkaller #0 4b6b95ab3aff47ee35cef28a0a3a23749bede870
[   31.102592][   T36] audit: type=1400 audit(1788374921.730:72): avc:  denied  { mounton } for  pid=314 comm="syz-executor361" path="/root/syzkaller.a1GNB0/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=2504 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   31.106256][  T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   31.106271][  T314] RIP: 0010:drop_nlink+0xce/0x110
[   31.118509][   T36] audit: type=1400 audit(1788374921.730:73): avc:  denied  { unmount } for  pid=314 comm="syz-executor361" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   31.145923][  T314] Code: 04 00 00 be 08 00 00 00 e8 4f 12 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 c2 34 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[   31.200898][  T314] RSP: 0018:ffffc900011ffb48 EFLAGS: 00010293
[   31.207023][  T314] RAX: ffffffff81f2427e RBX: ffff888105bc9a78 RCX: ffff888108b42600
[   31.215041][  T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   31.223019][  T314] RBP: ffffc900011ffb70 R08: 0000000000000003 R09: 0000000000000004
[   31.231020][  T314] R10: dffffc0000000000 R11: fffff5200023ff58 R12: dffffc0000000000
[   31.239134][  T314] R13: 1ffff11020b79358 R14: ffff888105bc9ac0 R15: 0000000000000000
[   31.247325][  T314] FS:  000055557bd583c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   31.256343][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.262937][  T314] CR2: 000055557bd697a8 CR3: 0000000101f96000 CR4: 00000000003526b0
[   31.271019][  T314] Call Trace:
[   31.274324][  T314]  <TASK>
[   31.277283][  T314]  shmem_rmdir+0x5f/0x90
[   31.281614][  T314]  vfs_rmdir+0x3db/0x560
[   31.285986][  T314]  incfs_kill_sb+0x102/0x220
[   31.290677][  T314]  deactivate_locked_super+0xd2/0x270
[   31.296176][  T314]  deactivate_super+0xb8/0xe0
[   31.301000][  T314]  cleanup_mnt+0x438/0x4d0
[   31.305813][  T314]  __cleanup_mnt+0x1d/0x40
[   31.310332][  T314]  task_work_run+0x1e5/0x260
[   31.315242][  T314]  ? __cfi_task_work_run+0x10/0x10
[   31.320374][  T314]  ? path_umount+0x34a/0xf60
[   31.324997][  T314]  ptrace_notify+0x25a/0x290
[   31.329786][  T314]  ? __cfi_ptrace_notify+0x10/0x10
[   31.334947][  T314]  ? putname+0x113/0x150
[   31.339227][  T314]  ? __x64_sys_umount+0x12e/0x180
[   31.344406][  T314]  ? __cfi___x64_sys_umount+0x10/0x10
[   31.349839][  T314]  syscall_exit_work+0x84/0x150
[   31.354903][  T314]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   31.361179][  T314]  syscall_exit_to_user_mode+0x15/0xb0
[   31.366795][  T314]  do_syscall_64+0x63/0xf0
[   31.371689][  T314]  ? clear_bhb_loop+0x50/0xa0
[   31.376467][  T314]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   31.382416][  T314] RIP: 0033:0x7f5c8813c527
[   31.386892][  T314] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 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
[   31.406827][  T314] RSP: 002b:00007ffd21d79008 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   31.415280][  T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5c8813c527
[   31.423359][  T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd21d790c0
[   31.431446][  T314] RBP: 00007ffd21d790c0 R08: 00007ffd21d7a0c0 R09: 00000000ffffffff
[   31.439476][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd21d7a130
[   31.447512][  T314] R13: 000055557bd59730 R14: 00007ffd21d7a130 R15: 0000000000000001
[   31.455608][  T314]  </TASK>
[   31.458644][  T314] ---[ end trace 0000000000000000 ]---
[   31.464349][  T314] ==================================================================
[   31.472404][  T314] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   31.478746][  T314] Write of size 4 at addr 0000000000000168 by task syz-executor361/314
[   31.486989][  T314] 
[   31.489412][  T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor361 Tainted: G        W          syzkaller #0 4b6b95ab3aff47ee35cef28a0a3a23749bede870
[   31.489431][  T314] Tainted: [W]=WARN
[   31.489435][  T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   31.489443][  T314] Call Trace:
[   31.489448][  T314]  <TASK>
[   31.489453][  T314]  __dump_stack+0x21/0x30
[   31.489473][  T314]  dump_stack_lvl+0x140/0x1c0
[   31.489489][  T314]  ? __cfi_dump_stack_lvl+0x10/0x10
[   31.489506][  T314]  print_report+0x3d/0x70
[   31.489522][  T314]  kasan_report+0x162/0x1a0
[   31.489537][  T314]  ? ihold+0x24/0x70
[   31.489551][  T314]  ? ihold+0x24/0x70
[   31.489564][  T314]  kasan_check_range+0x25a/0x2b0
[   31.489580][  T314]  __kasan_check_write+0x18/0x20
[   31.489591][  T314]  ihold+0x24/0x70
[   31.489604][  T314]  vfs_rmdir+0x25c/0x560
[   31.489621][  T314]  incfs_kill_sb+0x102/0x220
[   31.489634][  T314]  deactivate_locked_super+0xd2/0x270
[   31.489650][  T314]  deactivate_super+0xb8/0xe0
[   31.489672][  T314]  cleanup_mnt+0x438/0x4d0
[   31.489687][  T314]  __cleanup_mnt+0x1d/0x40
[   31.489700][  T314]  task_work_run+0x1e5/0x260
[   31.489715][  T314]  ? __cfi_task_work_run+0x10/0x10
[   31.489730][  T314]  ? path_umount+0x34a/0xf60
[   31.489741][  T314]  ptrace_notify+0x25a/0x290
[   31.489757][  T314]  ? __cfi_ptrace_notify+0x10/0x10
[   31.489772][  T314]  ? putname+0x113/0x150
[   31.489785][  T314]  ? __x64_sys_umount+0x12e/0x180
[   31.489796][  T314]  ? __cfi___x64_sys_umount+0x10/0x10
[   31.489807][  T314]  syscall_exit_work+0x84/0x150
[   31.489818][  T314]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   31.489830][  T314]  syscall_exit_to_user_mode+0x15/0xb0
[   31.489845][  T314]  do_syscall_64+0x63/0xf0
[   31.489861][  T314]  ? clear_bhb_loop+0x50/0xa0
[   31.489874][  T314]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   31.489887][  T314] RIP: 0033:0x7f5c8813c527
[   31.489898][  T314] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 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
[   31.489907][  T314] RSP: 002b:00007ffd21d79008 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   31.489921][  T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5c8813c527
[   31.489929][  T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd21d790c0
[   31.489937][  T314] RBP: 00007ffd21d790c0 R08: 00007ffd21d7a0c0 R09: 00000000ffffffff
[   31.489945][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd21d7a130
[   31.489953][  T314] R13: 000055557bd59730 R14: 00007ffd21d7a130 R15: 0000000000000001
[   31.489962][  T314]  </TASK>
[   31.489966][  T314] ==================================================================
[   31.750823][  T314] Disabling lock debugging due to kernel taint
[   31.757052][  T314] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   31.764855][  T314] #PF: supervisor write access in kernel mode
[   31.771195][  T314] #PF: error_code(0x0002) - not-present page
[   31.777202][  T314] PGD 0 P4D 0 
[   31.780597][  T314] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   31.786765][  T314] CPU: 0 UID: 0 PID: 314 Comm: syz-executor361 Tainted: G    B   W          syzkaller #0 4b6b95ab3aff47ee35cef28a0a3a23749bede870
[   31.800157][  T314] Tainted: [B]=BAD_PAGE, [W]=WARN
[   31.805171][  T314] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   31.815231][  T314] RIP: 0010:ihold+0x2a/0x70
[   31.819754][  T314] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ad 2b 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 0c 09 ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 bd
[   31.839528][  T314] RSP: 0018:ffffc900011ffb88 EFLAGS: 00010246
[   31.845693][  T314] RAX: ffff888108b42600 RBX: 0000000000000000 RCX: ffff888108b42600
[   31.853658][  T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   31.861619][  T314] RBP: ffffc900011ffb98 R08: ffffffff88bb8947 R09: 1ffffffff1177128
[   31.869582][  T314] R10: dffffc0000000000 R11: fffffbfff1177129 R12: 0000000000000000
[   31.877542][  T314] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
[   31.885507][  T314] FS:  000055557bd583c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   31.894430][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.901019][  T314] CR2: 0000000000000168 CR3: 0000000101f96000 CR4: 00000000003526b0
[   31.909071][  T314] Call Trace:
[   31.912341][  T314]  <TASK>
[   31.915266][  T314]  vfs_rmdir+0x25c/0x560
[   31.919506][  T314]  incfs_kill_sb+0x102/0x220
[   31.924089][  T314]  deactivate_locked_super+0xd2/0x270
[   31.929553][  T314]  deactivate_super+0xb8/0xe0
[   31.934346][  T314]  cleanup_mnt+0x438/0x4d0
[   31.938797][  T314]  __cleanup_mnt+0x1d/0x40
[   31.943218][  T314]  task_work_run+0x1e5/0x260
[   31.947816][  T314]  ? __cfi_task_work_run+0x10/0x10
[   31.952935][  T314]  ? path_umount+0x34a/0xf60
[   31.957604][  T314]  ptrace_notify+0x25a/0x290
[   31.962204][  T314]  ? __cfi_ptrace_notify+0x10/0x10
[   31.967310][  T314]  ? putname+0x113/0x150
[   31.971556][  T314]  ? __x64_sys_umount+0x12e/0x180
[   31.976571][  T314]  ? __cfi___x64_sys_umount+0x10/0x10
[   31.982023][  T314]  syscall_exit_work+0x84/0x150
[   31.986888][  T314]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   31.993048][  T314]  syscall_exit_to_user_mode+0x15/0xb0
[   31.998603][  T314]  do_syscall_64+0x63/0xf0
[   32.003144][  T314]  ? clear_bhb_loop+0x50/0xa0
[   32.007930][  T314]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   32.013839][  T314] RIP: 0033:0x7f5c8813c527
[   32.018340][  T314] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 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
[   32.038041][  T314] RSP: 002b:00007ffd21d79008 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   32.046707][  T314] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5c8813c527
[   32.054868][  T314] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd21d790c0
[   32.062877][  T314] RBP: 00007ffd21d790c0 R08: 00007ffd21d7a0c0 R09: 00000000ffffffff
[   32.070873][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd21d7a130
[   32.078948][  T314] R13: 000055557bd59730 R14: 00007ffd21d7a130 R15: 0000000000000001
[   32.086930][  T314]  </TASK>
[   32.089947][  T314] Modules linked in:
[   32.093918][  T314] CR2: 0000000000000168
[   32.098059][  T314] ---[ end trace 0000000000000000 ]---
[   32.103510][  T314] RIP: 0010:ihold+0x2a/0x70
[   32.108059][  T314] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ad 2b 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 0c 09 ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 bd
[   32.127764][  T314] RSP: 0018:ffffc900011ffb88 EFLAGS: 00010246
[   32.133835][  T314] RAX: ffff888108b42600 RBX: 0000000000000000 RCX: ffff888108b42600
[   32.141808][  T314] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   32.149951][  T314] RBP: ffffc900011ffb98 R08: ffffffff88bb8947 R09: 1ffffffff1177128
[   32.158799][  T314] R10: dffffc0000000000 R11: fffffbfff1177129 R12: 0000000000000000
[   32.166772][  T314] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
[   32.174731][  T314] FS:  000055557bd583c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   32.183657][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.190332][  T314] CR2: 0000000000000168 CR3: 0000000101f96000 CR4: 00000000003526b0
[   32.198373][  T314] Kernel panic - not syncing: Fatal exception
[   32.204801][  T314] Kernel Offset: disabled
[   32.209211][  T314] Rebooting in 86400 seconds..