ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor1684834506

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syzkaller
syzkaller login: [   11.550417][   T28] kauditd_printk_skb: 48 callbacks suppressed
[   11.550430][   T28] audit: type=1400 audit(1793206787.172:59): avc:  denied  { transition } for  pid=222 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
[   11.554470][   T28] audit: type=1400 audit(1793206787.172:60): avc:  denied  { noatsecure } for  pid=222 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   11.557565][   T28] audit: type=1400 audit(1793206787.172:61): avc:  denied  { write } for  pid=222 comm="sh" path="pipe:[14638]" dev="pipefs" ino=14638 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   11.560687][   T28] audit: type=1400 audit(1793206787.172:62): avc:  denied  { rlimitinh } for  pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   11.563223][   T28] audit: type=1400 audit(1793206787.172:63): avc:  denied  { siginh } for  pid=222 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts.
execve("ci2-android-6-1/syz-executor1684834506", ["ci2-android-6-1/syz-executor1684834506"], 0x7ffee91aec40 /* 10 vars */) = 0
brk(NULL)                               = 0x55556d110000
brk(0x55556d110e00)                     = 0x55556d110e00
arch_prctl(ARCH_SET_FS, 0x55556d110480) = 0
set_tid_address(0x55556d110750)         = 304
set_robust_list(0x55556d110760, 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-executor1684834506", 4096) = 44
getrandom("\x0c\x88\xc3\xd6\xec\x8a\x44\x9a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556d110e00
brk(0x55556d131e00)                     = 0x55556d131e00
brk(0x55556d132000)                     = 0x55556d132000
mprotect(0x7fca92c11000, 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=0x7fca92b68ed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fca92b6c580}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fca92b68ed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fca92b6c580}, NULL, 8) = 0
getrandom("\x18\x04\x36\x33\xa6\x8b\x65\x03", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.yyUvcu", 0700)       = 0
chmod("./syzkaller.yyUvcu", 0777)       = 0
chdir("./syzkaller.yyUvcu")             = 0
unshare(CLONE_NEWPID)                   = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 305 attached
, child_tidptr=0x55556d110750) = 305
[pid   304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] set_robust_list(0x55556d110760, 24) = 0
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   305] getppid()                   = 0
[pid   305] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   305] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   305] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   305] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   305] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   305] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   305] unshare(CLONE_NEWNS)        = 0
[pid   305] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   305] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   305] unshare(CLONE_NEWCGROUP)    = 0
[pid   305] unshare(CLONE_NEWUTS)       = 0
[pid   305] unshare(CLONE_SYSVSEM)      = 0
[pid   305] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   305] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   305] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   305] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   305] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   305] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   305] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   305] getpid()                    = 1
[pid   305] 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   305] 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   305] unshare(CLONE_NEWNET)       = 0
[pid   305] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   305] write(3, "0 65535", 7)      = 7
[pid   305] close(3)                    = 0
[pid   305] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   305] write(3, "100000", 6)       = 6
[pid   305] close(3)                    = 0
[pid   305] mkdir("./syz-tmp", 0777)    = 0
[pid   305] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   305] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   305] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   305] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   305] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   305] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   305] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   305] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   305] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   305] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   305] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   305] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   305] 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   305] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   305] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   305] 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   305] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   305] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   305] chdir("/")                  = 0
[pid   305] umount2("./pivot", MNT_DETACH) = 0
[pid   305] chroot("./newroot")         = 0
[pid   305] chdir("/")                  = 0
[pid   305] mkdir("/dev/gadgetfs", 0777) = 0
[   20.846463][   T28] audit: type=1400 audit(1793206796.472:64): avc:  denied  { execmem } for  pid=304 comm="syz-executor168" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.852695][   T28] audit: type=1400 audit(1793206796.472:65): avc:  denied  { mounton } for  pid=305 comm="syz-executor168" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   20.865335][   T28] audit: type=1400 audit(1793206796.482:66): avc:  denied  { mounton } for  pid=305 comm="syz-executor168" path="/root/syzkaller.yyUvcu/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   20.874204][   T28] audit: type=1400 audit(1793206796.482:67): avc:  denied  { mount } for  pid=305 comm="syz-executor168" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   305] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   305] mkdir("/dev/binderfs", 0777) = 0
[pid   305] mount("binder", "/dev/binderfs", "binder", 0, "stats=global") = 0
[pid   305] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   305] mkdir("./0", 0777)          = 0
[pid   305] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3
[pid   305] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   305] close(3)                    = 0
[pid   305] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556d110750) = 2
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-1/strace-static-x86_64: Process 306 attached
[pid   306] set_robust_list(0x55556d110760, 24) = 0
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] chdir("./0")                = 0
[pid   306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   306] setpgid(0, 0)               = 0
[pid   306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   306] write(3, "1000", 4)         = 4
[pid   306] close(3)                    = 0
[pid   306] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   306] write(1, "executing program\n", 18) = 18
[pid   306] mkdir("./bus", 0777)        = 0
[pid   306] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   306] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL) = 0
[pid   306] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   306] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   306] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   306] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   306] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   306] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   306] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   306] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   306] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   306] exit_group(0)               = ?
[pid   306] +++ exited with 0 +++
[pid   305] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[   20.876615][  T305] request_module fs-gadgetfs succeeded, but still no fs?
[   20.897095][   T28] audit: type=1400 audit(1793206796.492:68): avc:  denied  { mounton } for  pid=305 comm="syz-executor168" path="/root/syzkaller.yyUvcu/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
[   20.915853][  T306] incfs: ino conflict with backing FS 9
[pid   305] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   305] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   305] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   305] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0
[pid   305] getdents64(3, 0x55556d111810 /* 6 entries */, 32768) = 168
[pid   305] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   305] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   305] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   305] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   305] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   305] getdents64(4, 0x55556d119850 /* 2 entries */, 32768) = 48
[pid   305] getdents64(4, 0x55556d119850 /* 0 entries */, 32768) = 0
[pid   305] close(4)                    = 0
[pid   305] rmdir("./0/.incomplete")    = 0
[pid   305] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   305] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   305] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   305] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   305] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   305] getdents64(4, 0x55556d119850 /* 2 entries */, 32768) = 48
[pid   305] getdents64(4, 0x55556d119850 /* 0 entries */, 32768) = 0
[pid   305] close(4)                    = 0
[pid   305] rmdir("./0/.index")         = 0
[   20.928775][   T28] audit: type=1400 audit(1793206796.492:69): avc:  denied  { mount } for  pid=305 comm="syz-executor168" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   20.956032][   T28] audit: type=1400 audit(1793206796.492:70): avc:  denied  { mounton } for  pid=305 comm="syz-executor168" path="/root/syzkaller.yyUvcu/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
[   20.982764][   T28] audit: type=1400 audit(1793206796.492:71): avc:  denied  { mounton } for  pid=305 comm="syz-executor168" path="/root/syzkaller.yyUvcu/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=7160 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   20.983078][  T305] ------------[ cut here ]------------
[   21.010235][   T28] audit: type=1400 audit(1793206796.492:72): avc:  denied  { unmount } for  pid=305 comm="syz-executor168" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   21.010260][   T28] audit: type=1400 audit(1793206796.502:73): avc:  denied  { mounton } for  pid=305 comm="syz-executor168" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   21.058277][  T305] WARNING: CPU: 0 PID: 305 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   21.066239][  T305] Modules linked in:
[   21.070140][  T305] CPU: 0 PID: 305 Comm: syz-executor168 Not tainted syzkaller #0
[   21.077866][  T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   21.087951][  T305] RIP: 0010:drop_nlink+0xc5/0x110
[   21.092975][  T305] 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 3b 0c ab ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   21.112630][  T305] RSP: 0018:ffffc90000ea7b60 EFLAGS: 00010293
[   21.118738][  T305] RAX: ffffffff81c665e5 RBX: ffff888123da4810 RCX: ffff88810f84a880
[   21.126725][  T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   21.134688][  T305] RBP: ffffc90000ea7b88 R08: 0000000000000003 R09: 0000000000000004
[   21.142671][  T305] R10: dffffc0000000000 R11: fffff520001d4f5c R12: dffffc0000000000
[   21.150665][  T305] R13: 1ffff110247b490b R14: ffff888123da4858 R15: 0000000000000000
[   21.158744][  T305] FS:  000055556d110480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   21.167694][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.174267][  T305] CR2: 000055556d121858 CR3: 0000000121a13000 CR4: 00000000003506b0
[   21.182255][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.190234][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.198293][  T305] Call Trace:
[   21.201569][  T305]  <TASK>
[   21.204495][  T305]  shmem_rmdir+0x5b/0x90
[   21.208833][  T305]  vfs_rmdir+0x381/0x4f0
[   21.213080][  T305]  incfs_kill_sb+0xfe/0x210
[   21.217616][  T305]  deactivate_locked_super+0xb5/0x120
[   21.222991][  T305]  deactivate_super+0xaf/0xe0
[   21.227679][  T305]  cleanup_mnt+0x45e/0x4e0
[   21.232089][  T305]  __cleanup_mnt+0x19/0x20
[   21.236520][  T305]  task_work_run+0x1e1/0x250
[   21.241106][  T305]  ? __cfi_task_work_run+0x10/0x10
[   21.246230][  T305]  ? path_umount+0x345/0xf60
[   21.250816][  T305]  ? __kasan_slab_free+0x11/0x20
[   21.255737][  T305]  ptrace_notify+0x23f/0x270
[   21.260339][  T305]  ? __cfi_path_umount+0x10/0x10
[   21.265276][  T305]  ? __cfi_ptrace_notify+0x10/0x10
[   21.270403][  T305]  ? user_path_at_empty+0x162/0x1c0
[   21.275601][  T305]  ? __x64_sys_umount+0x12d/0x170
[   21.280658][  T305]  ? __cfi___x64_sys_umount+0x10/0x10
[   21.286185][  T305]  ? fpregs_restore_userregs+0x128/0x260
[   21.291896][  T305]  syscall_exit_work+0x84/0x140
[   21.296788][  T305]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   21.302939][  T305]  syscall_exit_to_user_mode+0xd/0x30
[   21.308323][  T305]  do_syscall_64+0x58/0xa0
[   21.312743][  T305]  ? clear_bhb_loop+0x30/0x80
[   21.317428][  T305]  ? clear_bhb_loop+0x30/0x80
[   21.322099][  T305]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   21.327995][  T305] RIP: 0033:0x7fca92b866a7
[   21.332416][  T305] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 e4 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
[   21.352050][  T305] RSP: 002b:00007fff370e8648 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   21.360503][  T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fca92b866a7
[   21.368486][  T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff370e8700
[   21.376474][  T305] RBP: 00007fff370e8700 R08: 00007fff370e9700 R09: 00000000ffffffff
[   21.384476][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff370e9770
[   21.392478][  T305] R13: 000055556d1117e0 R14: 431bde82d7b634db R15: 00007fff370e9790
[   21.400472][  T305]  </TASK>
[   21.403492][  T305] ---[ end trace 0000000000000000 ]---
[   21.409072][  T305] ==================================================================
[   21.417122][  T305] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   21.423353][  T305] Write of size 4 at addr 0000000000000170 by task syz-executor168/305
[   21.431570][  T305] 
[   21.433899][  T305] CPU: 0 PID: 305 Comm: syz-executor168 Tainted: G        W          syzkaller #0
[   21.443074][  T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   21.453116][  T305] Call Trace:
[   21.456379][  T305]  <TASK>
[   21.459288][  T305]  __dump_stack+0x21/0x24
[   21.463617][  T305]  dump_stack_lvl+0x110/0x170
[   21.468293][  T305]  ? __cfi_dump_stack_lvl+0x8/0x8
[   21.473301][  T305]  ? __cfi_call_rcu+0x10/0x10
[   21.477966][  T305]  ? ihold+0x20/0x60
[   21.481844][  T305]  ? ihold+0x20/0x60
[   21.485737][  T305]  print_report+0x3d/0x60
[   21.490069][  T305]  kasan_report+0x122/0x150
[   21.494574][  T305]  ? ihold+0x20/0x60
[   21.498455][  T305]  kasan_check_range+0x249/0x2a0
[   21.503455][  T305]  __kasan_check_write+0x14/0x20
[   21.508368][  T305]  ihold+0x20/0x60
[   21.512061][  T305]  vfs_rmdir+0x24c/0x4f0
[   21.516293][  T305]  incfs_kill_sb+0xfe/0x210
[   21.520775][  T305]  deactivate_locked_super+0xb5/0x120
[   21.526133][  T305]  deactivate_super+0xaf/0xe0
[   21.530802][  T305]  cleanup_mnt+0x45e/0x4e0
[   21.535210][  T305]  __cleanup_mnt+0x19/0x20
[   21.539614][  T305]  task_work_run+0x1e1/0x250
[   21.544182][  T305]  ? __cfi_task_work_run+0x10/0x10
[   21.549270][  T305]  ? path_umount+0x345/0xf60
[   21.553839][  T305]  ? __kasan_slab_free+0x11/0x20
[   21.558794][  T305]  ptrace_notify+0x23f/0x270
[   21.563379][  T305]  ? __cfi_path_umount+0x10/0x10
[   21.568312][  T305]  ? __cfi_ptrace_notify+0x10/0x10
[   21.573404][  T305]  ? user_path_at_empty+0x162/0x1c0
[   21.578588][  T305]  ? __x64_sys_umount+0x12d/0x170
[   21.583607][  T305]  ? __cfi___x64_sys_umount+0x10/0x10
[   21.588973][  T305]  ? fpregs_restore_userregs+0x128/0x260
[   21.594583][  T305]  syscall_exit_work+0x84/0x140
[   21.599408][  T305]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   21.605533][  T305]  syscall_exit_to_user_mode+0xd/0x30
[   21.610879][  T305]  do_syscall_64+0x58/0xa0
[   21.615276][  T305]  ? clear_bhb_loop+0x30/0x80
[   21.619928][  T305]  ? clear_bhb_loop+0x30/0x80
[   21.624600][  T305]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   21.630470][  T305] RIP: 0033:0x7fca92b866a7
[   21.634860][  T305] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 e4 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
[   21.654444][  T305] RSP: 002b:00007fff370e8648 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   21.662854][  T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fca92b866a7
[   21.670819][  T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff370e8700
[   21.678782][  T305] RBP: 00007fff370e8700 R08: 00007fff370e9700 R09: 00000000ffffffff
[   21.686734][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff370e9770
[   21.694718][  T305] R13: 000055556d1117e0 R14: 431bde82d7b634db R15: 00007fff370e9790
[   21.702682][  T305]  </TASK>
[   21.705687][  T305] ==================================================================
[   21.713917][  T305] Disabling lock debugging due to kernel taint
[   21.720099][  T305] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   21.727883][  T305] #PF: supervisor write access in kernel mode
[   21.733933][  T305] #PF: error_code(0x0002) - not-present page
[   21.739887][  T305] PGD 0 P4D 0 
[   21.743245][  T305] Oops: 0002 [#1] PREEMPT SMP KASAN
[   21.748423][  T305] CPU: 0 PID: 305 Comm: syz-executor168 Tainted: G    B   W          syzkaller #0
[   21.757594][  T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   21.767637][  T305] RIP: 0010:ihold+0x26/0x60
[   21.772133][  T305] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 a1 03 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 91
[   21.791718][  T305] RSP: 0018:ffffc90000ea7ba0 EFLAGS: 00010246
[   21.797765][  T305] RAX: ffff88810f84a800 RBX: 0000000000000000 RCX: ffff88810f84a880
[   21.805714][  T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   21.813667][  T305] RBP: ffffc90000ea7bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
[   21.821616][  T305] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888123da481c
[   21.829568][  T305] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   21.837609][  T305] FS:  000055556d110480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   21.846523][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.853085][  T305] CR2: 0000000000000170 CR3: 0000000121a13000 CR4: 00000000003506b0
[   21.861039][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.868991][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.876950][  T305] Call Trace:
[   21.880211][  T305]  <TASK>
[   21.883133][  T305]  vfs_rmdir+0x24c/0x4f0
[   21.887365][  T305]  incfs_kill_sb+0xfe/0x210
[   21.891854][  T305]  deactivate_locked_super+0xb5/0x120
[   21.897213][  T305]  deactivate_super+0xaf/0xe0
[   21.901873][  T305]  cleanup_mnt+0x45e/0x4e0
[   21.906273][  T305]  __cleanup_mnt+0x19/0x20
[   21.910669][  T305]  task_work_run+0x1e1/0x250
[   21.915246][  T305]  ? __cfi_task_work_run+0x10/0x10
[   21.920337][  T305]  ? path_umount+0x345/0xf60
[   21.924915][  T305]  ? __kasan_slab_free+0x11/0x20
[   21.929838][  T305]  ptrace_notify+0x23f/0x270
[   21.934415][  T305]  ? __cfi_path_umount+0x10/0x10
[   21.939339][  T305]  ? __cfi_ptrace_notify+0x10/0x10
[   21.944435][  T305]  ? user_path_at_empty+0x162/0x1c0
[   21.949617][  T305]  ? __x64_sys_umount+0x12d/0x170
[   21.954646][  T305]  ? __cfi___x64_sys_umount+0x10/0x10
[   21.960008][  T305]  ? fpregs_restore_userregs+0x128/0x260
[   21.965628][  T305]  syscall_exit_work+0x84/0x140
[   21.970467][  T305]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   21.976603][  T305]  syscall_exit_to_user_mode+0xd/0x30
[   21.981960][  T305]  do_syscall_64+0x58/0xa0
[   21.986356][  T305]  ? clear_bhb_loop+0x30/0x80
[   21.991016][  T305]  ? clear_bhb_loop+0x30/0x80
[   21.995673][  T305]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   22.001547][  T305] RIP: 0033:0x7fca92b866a7
[   22.005940][  T305] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 e4 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
[   22.025523][  T305] RSP: 002b:00007fff370e8648 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   22.033915][  T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fca92b866a7
[   22.041867][  T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff370e8700
[   22.049817][  T305] RBP: 00007fff370e8700 R08: 00007fff370e9700 R09: 00000000ffffffff
[   22.057767][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff370e9770
[   22.065720][  T305] R13: 000055556d1117e0 R14: 431bde82d7b634db R15: 00007fff370e9790
[   22.073674][  T305]  </TASK>
[   22.076673][  T305] Modules linked in:
[   22.080560][  T305] CR2: 0000000000000170
[   22.084689][  T305] ---[ end trace 0000000000000000 ]---
[   22.090121][  T305] RIP: 0010:ihold+0x26/0x60
[   22.094612][  T305] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 a1 03 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 91
[   22.114214][  T305] RSP: 0018:ffffc90000ea7ba0 EFLAGS: 00010246
[   22.120272][  T305] RAX: ffff88810f84a800 RBX: 0000000000000000 RCX: ffff88810f84a880
[   22.128231][  T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.136186][  T305] RBP: ffffc90000ea7bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
[   22.144143][  T305] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888123da481c
[   22.152098][  T305] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   22.160059][  T305] FS:  000055556d110480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   22.168971][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.175533][  T305] CR2: 0000000000000170 CR3: 0000000121a13000 CR4: 00000000003506b0
[   22.183488][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.191443][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.199396][  T305] Kernel panic - not syncing: Fatal exception
[   22.205969][  T305] Kernel Offset: disabled
[   22.210274][  T305] Rebooting in 86400 seconds..