ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor1529186161

<...>
Warning: Permanently added '10.128.1.104' (ED25519) to the list of known hosts.
execve("ci2-android-6-1/syz-executor1529186161", ["ci2-android-6-1/syz-executor1529186161"], 0x7ffda81a87a0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555875c0000
brk(0x5555875c0e00)                     = 0x5555875c0e00
arch_prctl(ARCH_SET_FS, 0x5555875c0480) = 0
set_tid_address(0x5555875c0750)         = 305
set_robust_list(0x5555875c0760, 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-executor1529186161", 4096) = 44
getrandom("\x02\x5b\xc6\x83\x7c\xe9\x8b\x54", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555875c0e00
brk(0x5555875e1e00)                     = 0x5555875e1e00
brk(0x5555875e2000)                     = 0x5555875e2000
mprotect(0x7fec17783000, 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=0x7fec176daed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fec176de580}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fec176daed0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fec176de580}, NULL, 8) = 0
getrandom("\x99\x6e\x4d\xdc\x1b\xa4\x39\x74", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.zuM8DB", 0700)       = 0
chmod("./syzkaller.zuM8DB", 0777)       = 0
chdir("./syzkaller.zuM8DB")             = 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=0x5555875c0750) = 306
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-1/strace-static-x86_64: Process 306 attached
[pid   306] set_robust_list(0x5555875c0760, 24) = 0
[pid   306] rt_sigprocmask(SIG_SETMASK, [], 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
[   26.647309][   T28] audit: type=1400 audit(1793309586.167:64): avc:  denied  { execmem } for  pid=305 comm="syz-executor152" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   26.668899][   T28] audit: type=1400 audit(1793309586.187:65): avc:  denied  { mounton } for  pid=306 comm="syz-executor152" 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
[   26.701225][   T28] audit: type=1400 audit(1793309586.217:66): avc:  denied  { mounton } for  pid=306 comm="syz-executor152" path="/root/syzkaller.zuM8DB/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   26.725704][   T28] audit: type=1400 audit(1793309586.217:67): avc:  denied  { mount } for  pid=306 comm="syz-executor152" 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, "stats=global") = 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=0x5555875c0750) = 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(0x5555875c0760, 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
executing program
[pid   307] mkdir("./bus", 0777)        = 0
[pid   307] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[   26.733346][  T306] request_module fs-gadgetfs succeeded, but still no fs?
[   26.748216][   T28] audit: type=1400 audit(1793309586.217:68): avc:  denied  { mounton } for  pid=306 comm="syz-executor152" path="/root/syzkaller.zuM8DB/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] 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, 0x5555875c1810 /* 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, 0x5555875c9850 /* 2 entries */, 32768) = 48
[pid   306] getdents64(4, 0x5555875c9850 /* 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, 0x5555875c9850 /* 2 entries */, 32768) = 48
[pid   306] getdents64(4, 0x5555875c9850 /* 0 entries */, 32768) = 0
[pid   306] close(4)                    = 0
[pid   306] rmdir("./0/.index")         = 0
[   26.780234][   T28] audit: type=1400 audit(1793309586.217:69): avc:  denied  { mount } for  pid=306 comm="syz-executor152" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   26.795639][  T307] incfs: ino conflict with backing FS 9
[   26.802732][   T28] audit: type=1400 audit(1793309586.217:70): avc:  denied  { mounton } for  pid=306 comm="syz-executor152" path="/root/syzkaller.zuM8DB/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
[   26.835373][   T28] audit: type=1400 audit(1793309586.217:71): avc:  denied  { mounton } for  pid=306 comm="syz-executor152" path="/root/syzkaller.zuM8DB/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=15423 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   26.863082][   T28] audit: type=1400 audit(1793309586.217:72): avc:  denied  { unmount } for  pid=306 comm="syz-executor152" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   26.863851][  T306] ------------[ cut here ]------------
[   26.882794][   T28] audit: type=1400 audit(1793309586.247:73): avc:  denied  { mounton } for  pid=306 comm="syz-executor152" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   26.911327][  T306] WARNING: CPU: 1 PID: 306 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   26.919339][  T306] Modules linked in:
[   26.923267][  T306] CPU: 1 PID: 306 Comm: syz-executor152 Not tainted syzkaller #0
[   26.931183][  T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   26.941332][  T306] RIP: 0010:drop_nlink+0xc5/0x110
[   26.946439][  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 0b 0b ab ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   26.966207][  T306] RSP: 0018:ffffc90000dc7b60 EFLAGS: 00010293
[   26.972288][  T306] RAX: ffffffff81c66715 RBX: ffff888123ba2650 RCX: ffff88810e5a8000
[   26.980360][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.988449][  T306] RBP: ffffc90000dc7b88 R08: 0000000000000003 R09: 0000000000000004
[   26.996499][  T306] R10: dffffc0000000000 R11: fffff520001b8f5c R12: dffffc0000000000
[   27.004522][  T306] R13: 1ffff110247744d3 R14: ffff888123ba2698 R15: 0000000000000000
[   27.012524][  T306] FS:  00005555875c0480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   27.021535][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.028182][  T306] CR2: 00005555875d1858 CR3: 0000000123a9a000 CR4: 00000000003506a0
[   27.036252][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.044273][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.052270][  T306] Call Trace:
[   27.055606][  T306]  <TASK>
[   27.058558][  T306]  shmem_rmdir+0x5b/0x90
[   27.062811][  T306]  vfs_rmdir+0x381/0x4f0
[   27.067141][  T306]  incfs_kill_sb+0xfe/0x210
[   27.071671][  T306]  deactivate_locked_super+0xb5/0x120
[   27.077105][  T306]  deactivate_super+0xaf/0xe0
[   27.081809][  T306]  cleanup_mnt+0x45e/0x4e0
[   27.086295][  T306]  __cleanup_mnt+0x19/0x20
[   27.090740][  T306]  task_work_run+0x1e1/0x250
[   27.095391][  T306]  ? __cfi_task_work_run+0x10/0x10
[   27.100529][  T306]  ? path_umount+0x345/0xf60
[   27.105176][  T306]  ? __kasan_slab_free+0x11/0x20
[   27.110147][  T306]  ptrace_notify+0x23f/0x270
[   27.114830][  T306]  ? __cfi_path_umount+0x10/0x10
[   27.119800][  T306]  ? __cfi_ptrace_notify+0x10/0x10
[   27.124973][  T306]  ? user_path_at_empty+0x162/0x1c0
[   27.130200][  T306]  ? __x64_sys_umount+0x12d/0x170
[   27.135308][  T306]  ? __cfi___x64_sys_umount+0x10/0x10
[   27.140731][  T306]  ? fpregs_restore_userregs+0x128/0x260
[   27.146433][  T306]  syscall_exit_work+0x84/0x140
[   27.151309][  T306]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.157517][  T306]  syscall_exit_to_user_mode+0xd/0x30
[   27.162920][  T306]  do_syscall_64+0x58/0xa0
[   27.167407][  T306]  ? clear_bhb_loop+0x30/0x80
[   27.172107][  T306]  ? clear_bhb_loop+0x30/0x80
[   27.176842][  T306]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   27.182759][  T306] RIP: 0033:0x7fec176f86a7
[   27.187254][  T306] 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
[   27.206932][  T306] RSP: 002b:00007ffee6d15808 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   27.215408][  T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fec176f86a7
[   27.223412][  T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee6d158c0
[   27.231740][  T306] RBP: 00007ffee6d158c0 R08: 00007ffee6d168c0 R09: 00000000ffffffff
[   27.239797][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6d16930
[   27.247859][  T306] R13: 00005555875c17e0 R14: 431bde82d7b634db R15: 00007ffee6d16950
[   27.255912][  T306]  </TASK>
[   27.258960][  T306] ---[ end trace 0000000000000000 ]---
[   27.264625][  T306] ==================================================================
[   27.272704][  T306] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   27.278956][  T306] Write of size 4 at addr 0000000000000170 by task syz-executor152/306
[   27.287192][  T306] 
[   27.289511][  T306] CPU: 1 PID: 306 Comm: syz-executor152 Tainted: G        W          syzkaller #0
[   27.298708][  T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   27.308775][  T306] Call Trace:
[   27.312045][  T306]  <TASK>
[   27.314970][  T306]  __dump_stack+0x21/0x24
[   27.319298][  T306]  dump_stack_lvl+0x110/0x170
[   27.323971][  T306]  ? __cfi_dump_stack_lvl+0x8/0x8
[   27.328989][  T306]  ? __cfi_call_rcu+0x10/0x10
[   27.333671][  T306]  ? ihold+0x20/0x60
[   27.337576][  T306]  ? ihold+0x20/0x60
[   27.341468][  T306]  print_report+0x3d/0x60
[   27.345804][  T306]  kasan_report+0x122/0x150
[   27.350309][  T306]  ? ihold+0x20/0x60
[   27.354225][  T306]  kasan_check_range+0x249/0x2a0
[   27.359181][  T306]  __kasan_check_write+0x14/0x20
[   27.364115][  T306]  ihold+0x20/0x60
[   27.367855][  T306]  vfs_rmdir+0x24c/0x4f0
[   27.372098][  T306]  incfs_kill_sb+0xfe/0x210
[   27.376622][  T306]  deactivate_locked_super+0xb5/0x120
[   27.382000][  T306]  deactivate_super+0xaf/0xe0
[   27.386686][  T306]  cleanup_mnt+0x45e/0x4e0
[   27.391098][  T306]  __cleanup_mnt+0x19/0x20
[   27.395526][  T306]  task_work_run+0x1e1/0x250
[   27.400118][  T306]  ? __cfi_task_work_run+0x10/0x10
[   27.405226][  T306]  ? path_umount+0x345/0xf60
[   27.409818][  T306]  ? __kasan_slab_free+0x11/0x20
[   27.414760][  T306]  ptrace_notify+0x23f/0x270
[   27.419371][  T306]  ? __cfi_path_umount+0x10/0x10
[   27.424352][  T306]  ? __cfi_ptrace_notify+0x10/0x10
[   27.429490][  T306]  ? user_path_at_empty+0x162/0x1c0
[   27.434693][  T306]  ? __x64_sys_umount+0x12d/0x170
[   27.439722][  T306]  ? __cfi___x64_sys_umount+0x10/0x10
[   27.445105][  T306]  ? fpregs_restore_userregs+0x128/0x260
[   27.450764][  T306]  syscall_exit_work+0x84/0x140
[   27.455617][  T306]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.461768][  T306]  syscall_exit_to_user_mode+0xd/0x30
[   27.467156][  T306]  do_syscall_64+0x58/0xa0
[   27.471571][  T306]  ? clear_bhb_loop+0x30/0x80
[   27.476249][  T306]  ? clear_bhb_loop+0x30/0x80
[   27.480925][  T306]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   27.486827][  T306] RIP: 0033:0x7fec176f86a7
[   27.491243][  T306] 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
[   27.510863][  T306] RSP: 002b:00007ffee6d15808 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   27.519286][  T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fec176f86a7
[   27.527270][  T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee6d158c0
[   27.535252][  T306] RBP: 00007ffee6d158c0 R08: 00007ffee6d168c0 R09: 00000000ffffffff
[   27.543235][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6d16930
[   27.551219][  T306] R13: 00005555875c17e0 R14: 431bde82d7b634db R15: 00007ffee6d16950
[   27.559205][  T306]  </TASK>
[   27.562238][  T306] ==================================================================
[   27.570497][  T306] Disabling lock debugging due to kernel taint
[   27.576704][  T306] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   27.584551][  T306] #PF: supervisor write access in kernel mode
[   27.590632][  T306] #PF: error_code(0x0002) - not-present page
[   27.596625][  T306] PGD 0 P4D 0 
[   27.600017][  T306] Oops: 0002 [#1] PREEMPT SMP KASAN
[   27.605237][  T306] CPU: 1 PID: 306 Comm: syz-executor152 Tainted: G    B   W          syzkaller #0
[   27.614440][  T306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   27.624532][  T306] RIP: 0010:ihold+0x26/0x60
[   27.629049][  T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 71 02 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 61
[   27.648675][  T306] RSP: 0018:ffffc90000dc7ba0 EFLAGS: 00010246
[   27.654766][  T306] RAX: ffff88810e5a8000 RBX: 0000000000000000 RCX: ffff88810e5a8000
[   27.662749][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   27.670731][  T306] RBP: ffffc90000dc7bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
[   27.678725][  T306] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888123ba265c
[   27.686712][  T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   27.694691][  T306] FS:  00005555875c0480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   27.703633][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.710226][  T306] CR2: 0000000000000170 CR3: 0000000123a9a000 CR4: 00000000003506a0
[   27.718214][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.726194][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.734191][  T306] Call Trace:
[   27.737486][  T306]  <TASK>
[   27.740442][  T306]  vfs_rmdir+0x24c/0x4f0
[   27.744710][  T306]  incfs_kill_sb+0xfe/0x210
[   27.749242][  T306]  deactivate_locked_super+0xb5/0x120
[   27.754630][  T306]  deactivate_super+0xaf/0xe0
[   27.759323][  T306]  cleanup_mnt+0x45e/0x4e0
[   27.763773][  T306]  __cleanup_mnt+0x19/0x20
[   27.768229][  T306]  task_work_run+0x1e1/0x250
[   27.772834][  T306]  ? __cfi_task_work_run+0x10/0x10
[   27.777960][  T306]  ? path_umount+0x345/0xf60
[   27.782570][  T306]  ? __kasan_slab_free+0x11/0x20
[   27.787524][  T306]  ptrace_notify+0x23f/0x270
[   27.792133][  T306]  ? __cfi_path_umount+0x10/0x10
[   27.797086][  T306]  ? __cfi_ptrace_notify+0x10/0x10
[   27.802221][  T306]  ? user_path_at_empty+0x162/0x1c0
[   27.807435][  T306]  ? __x64_sys_umount+0x12d/0x170
[   27.812480][  T306]  ? __cfi___x64_sys_umount+0x10/0x10
[   27.817873][  T306]  ? fpregs_restore_userregs+0x128/0x260
[   27.823523][  T306]  syscall_exit_work+0x84/0x140
[   27.828405][  T306]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.834574][  T306]  syscall_exit_to_user_mode+0xd/0x30
[   27.839964][  T306]  do_syscall_64+0x58/0xa0
[   27.844389][  T306]  ? clear_bhb_loop+0x30/0x80
[   27.849085][  T306]  ? clear_bhb_loop+0x30/0x80
[   27.853776][  T306]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   27.859686][  T306] RIP: 0033:0x7fec176f86a7
[   27.864114][  T306] 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
[   27.883738][  T306] RSP: 002b:00007ffee6d15808 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   27.892165][  T306] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fec176f86a7
[   27.900195][  T306] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee6d158c0
[   27.908174][  T306] RBP: 00007ffee6d158c0 R08: 00007ffee6d168c0 R09: 00000000ffffffff
[   27.916156][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffee6d16930
[   27.924136][  T306] R13: 00005555875c17e0 R14: 431bde82d7b634db R15: 00007ffee6d16950
[   27.932120][  T306]  </TASK>
[   27.935145][  T306] Modules linked in:
[   27.939072][  T306] CR2: 0000000000000170
[   27.943230][  T306] ---[ end trace 0000000000000000 ]---
[   27.948687][  T306] RIP: 0010:ihold+0x26/0x60
[   27.953228][  T306] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 71 02 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 61
[   27.972862][  T306] RSP: 0018:ffffc90000dc7ba0 EFLAGS: 00010246
[   27.978939][  T306] RAX: ffff88810e5a8000 RBX: 0000000000000000 RCX: ffff88810e5a8000
[   27.986929][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   27.994913][  T306] RBP: ffffc90000dc7bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
[   28.002919][  T306] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888123ba265c
[   28.010986][  T306] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   28.019002][  T306] FS:  00005555875c0480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   28.027953][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.034545][  T306] CR2: 0000000000000170 CR3: 0000000123a9a000 CR4: 00000000003506a0
[   28.042529][  T306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.050509][  T306] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.058492][  T306] Kernel panic - not syncing: Fatal exception
[   28.064680][  T306] Kernel Offset: disabled
[   28.069004][  T306] Rebooting in 86400 seconds..