ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor839841384

<...>
Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts.
execve("ci2-android-5-15/syz-executor839841384", ["ci2-android-5-15/syz-executor839841384"], 0x7fff96a2d000 /* 10 vars */) = 0
brk(NULL)                               = 0x5555872e6000
brk(0x5555872e6d40)                     = 0x5555872e6d40
arch_prctl(ARCH_SET_FS, 0x5555872e63c0) = 0
set_tid_address(0x5555872e6690)         = 304
set_robust_list(0x5555872e66a0, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-15/syz-executor839841384", 4096) = 44
getrandom("\x98\x81\x4f\x3a\xc2\xfe\xa6\x92", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555872e6d40
brk(0x555587307d40)                     = 0x555587307d40
brk(0x555587308000)                     = 0x555587308000
mprotect(0x7faaf67a4000, 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("\xad\xe9\xc6\xec\x4e\xd9\x21\x64", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.PcW36b", 0700)       = 0
chmod("./syzkaller.PcW36b", 0777)       = 0
chdir("./syzkaller.PcW36b")             = 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=0x5555872e6690) = 305
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-15/strace-static-x86_64: Process 305 attached
[pid   305] set_robust_list(0x5555872e66a0, 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
[   46.658559][   T30] audit: type=1400 audit(1789062675.763:64): avc:  denied  { execmem } for  pid=304 comm="syz-executor839" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   46.678147][   T30] audit: type=1400 audit(1789062675.783:65): avc:  denied  { mounton } for  pid=305 comm="syz-executor839" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   305] umount2("./pivot", MNT_DETACH) = 0
[pid   305] chroot("./newroot")         = 0
[pid   305] chdir("/")                  = 0
[pid   305] mkdir("/dev/gadgetfs", 0777) = 0
[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, NULL) = 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] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   305] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555872e6690) = 2
[pid   305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-15/strace-static-x86_64: Process 306 attached
[pid   306] set_robust_list(0x5555872e66a0, 24) = 0
[pid   306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   306] chdir("./0")                = 0
[pid   306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[   46.699785][   T30] audit: type=1400 audit(1789062675.803:66): avc:  denied  { mounton } for  pid=305 comm="syz-executor839" path="/root/syzkaller.PcW36b/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   46.724156][   T30] audit: type=1400 audit(1789062675.803:67): avc:  denied  { mount } for  pid=305 comm="syz-executor839" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   46.726598][  T305] request_module fs-gadgetfs succeeded, but still no fs?
[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", 0476)        = 0
[pid   306] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_SILENT, 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=2 /* 0.02 s */} ---
[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, 0x5555872e7750 /* 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, 0x5555872ef790 /* 2 entries */, 32768) = 48
[pid   305] getdents64(4, 0x5555872ef790 /* 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, 0x5555872ef790 /* 2 entries */, 32768) = 48
[pid   305] getdents64(4, 0x5555872ef790 /* 0 entries */, 32768) = 0
[pid   305] close(4)                    = 0
[pid   305] rmdir("./0/.index")         = 0
[   46.746831][   T30] audit: type=1400 audit(1789062675.803:68): avc:  denied  { mounton } for  pid=305 comm="syz-executor839" path="/root/syzkaller.PcW36b/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
[   46.763529][  T306] incfs: ino conflict with backing FS 9
[   46.778752][   T30] audit: type=1400 audit(1789062675.813:69): avc:  denied  { mounton } for  pid=305 comm="syz-executor839" path="/root/syzkaller.PcW36b/syz-tmp/newroot/proc" dev="tmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   46.809482][   T30] audit: type=1400 audit(1789062675.813:70): avc:  denied  { mount } for  pid=305 comm="syz-executor839" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   46.809627][  T305] ------------[ cut here ]------------
[   46.832407][   T30] audit: type=1400 audit(1789062675.813:71): avc:  denied  { mounton } for  pid=305 comm="syz-executor839" path="/root/syzkaller.PcW36b/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
[   46.837834][  T305] WARNING: CPU: 0 PID: 305 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   46.864499][   T30] audit: type=1400 audit(1789062675.813:72): avc:  denied  { mounton } for  pid=305 comm="syz-executor839" path="/root/syzkaller.PcW36b/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14217 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   46.872351][  T305] Modules linked in:
[   46.899811][   T30] audit: type=1400 audit(1789062675.813:73): avc:  denied  { unmount } for  pid=305 comm="syz-executor839" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   46.923454][  T305] 
[   46.925776][  T305] CPU: 0 PID: 305 Comm: syz-executor839 Not tainted syzkaller #0
[   46.933487][  T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   46.943550][  T305] RIP: 0010:drop_nlink+0xc5/0x110
[   46.948563][  T305] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 c3 0a f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2b 94 b2 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   46.968201][  T305] RSP: 0018:ffffc90000987bd0 EFLAGS: 00010293
[   46.974275][  T305] RAX: ffffffff81b73365 RBX: ffff888126e8b260 RCX: ffff88810b0dcf00
[   46.982248][  T305] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   46.990210][  T305] RBP: ffffc90000987bf8 R08: 0000000000000003 R09: 0000000000000004
[   46.998256][  T305] R10: dffffc0000000000 R11: fffff52000130f68 R12: dffffc0000000000
[   47.006244][  T305] R13: 1ffff11024dd1655 R14: ffff888126e8b2a8 R15: 0000000000000000
[   47.014226][  T305] FS:  00005555872e63c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   47.023244][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.029869][  T305] CR2: 00005611e8d30558 CR3: 0000000126d6c000 CR4: 00000000003506b0
[   47.037852][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.045870][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.053858][  T305] Call Trace:
[   47.057121][  T305]  <TASK>
[   47.060041][  T305]  shmem_rmdir+0x5b/0x90
[   47.064287][  T305]  vfs_rmdir+0x1ae/0x450
[   47.068522][  T305]  incfs_kill_sb+0xfe/0x210
[   47.073029][  T305]  deactivate_locked_super+0xa0/0x100
[   47.078390][  T305]  deactivate_super+0xaf/0xe0
[   47.083061][  T305]  cleanup_mnt+0x44f/0x500
[   47.087467][  T305]  __cleanup_mnt+0x19/0x20
[   47.091883][  T305]  task_work_run+0x127/0x190
[   47.096569][  T305]  ptrace_notify+0x230/0x270
[   47.101182][  T305]  ? do_notify_parent+0x830/0x830
[   47.106200][  T305]  ? user_path_at_empty+0x162/0x1c0
[   47.111398][  T305]  ? __x64_sys_umount+0x12d/0x170
[   47.117372][  T305]  ? path_umount+0xfa0/0xfa0
[   47.121994][  T305]  syscall_exit_work+0x87/0x160
[   47.126834][  T305]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   47.132985][  T305]  syscall_exit_to_user_mode+0xd/0x30
[   47.138347][  T305]  do_syscall_64+0x58/0xa0
[   47.142756][  T305]  ? clear_bhb_loop+0x50/0xa0
[   47.147420][  T305]  ? clear_bhb_loop+0x50/0xa0
[   47.152090][  T305]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   47.157988][  T305] RIP: 0033:0x7faaf6711527
[   47.162403][  T305] 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
[   47.182040][  T305] RSP: 002b:00007ffedc530a08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   47.190461][  T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faaf6711527
[   47.198420][  T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffedc530ac0
[   47.206392][  T305] RBP: 00007ffedc530ac0 R08: 00007ffedc531ac0 R09: 00000000ffffffff
[   47.214367][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedc531b30
[   47.222374][  T305] R13: 00005555872e7720 R14: 00007ffedc531b30 R15: 0000000000000001
[   47.230371][  T305]  </TASK>
[   47.233369][  T305] ---[ end trace 409344a742bbe574 ]---
[   47.238841][  T305] ==================================================================
[   47.246877][  T305] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   47.253094][  T305] Write of size 4 at addr 0000000000000170 by task syz-executor839/305
[   47.261304][  T305] 
[   47.263601][  T305] CPU: 0 PID: 305 Comm: syz-executor839 Tainted: G        W         syzkaller #0
[   47.272680][  T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   47.282887][  T305] Call Trace:
[   47.286150][  T305]  <TASK>
[   47.289077][  T305]  __dump_stack+0x21/0x30
[   47.293396][  T305]  dump_stack_lvl+0x110/0x170
[   47.298043][  T305]  ? show_regs_print_info+0x20/0x20
[   47.303212][  T305]  ? _raw_spin_lock+0x94/0xf0
[   47.307860][  T305]  ? _raw_spin_trylock_bh+0x150/0x150
[   47.313203][  T305]  ? ihold+0x20/0x60
[   47.317087][  T305]  kasan_report+0xcc/0x150
[   47.321477][  T305]  ? ihold+0x20/0x60
[   47.325345][  T305]  kasan_check_range+0x249/0x2a0
[   47.330253][  T305]  __kasan_check_write+0x14/0x20
[   47.335162][  T305]  ihold+0x20/0x60
[   47.338851][  T305]  vfs_rmdir+0x23d/0x450
[   47.343198][  T305]  incfs_kill_sb+0xfe/0x210
[   47.347689][  T305]  deactivate_locked_super+0xa0/0x100
[   47.353043][  T305]  deactivate_super+0xaf/0xe0
[   47.357694][  T305]  cleanup_mnt+0x44f/0x500
[   47.362087][  T305]  __cleanup_mnt+0x19/0x20
[   47.366477][  T305]  task_work_run+0x127/0x190
[   47.371061][  T305]  ptrace_notify+0x230/0x270
[   47.375628][  T305]  ? do_notify_parent+0x830/0x830
[   47.380626][  T305]  ? user_path_at_empty+0x162/0x1c0
[   47.385806][  T305]  ? __x64_sys_umount+0x12d/0x170
[   47.390805][  T305]  ? path_umount+0xfa0/0xfa0
[   47.395366][  T305]  syscall_exit_work+0x87/0x160
[   47.400192][  T305]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   47.406316][  T305]  syscall_exit_to_user_mode+0xd/0x30
[   47.411672][  T305]  do_syscall_64+0x58/0xa0
[   47.416057][  T305]  ? clear_bhb_loop+0x50/0xa0
[   47.420702][  T305]  ? clear_bhb_loop+0x50/0xa0
[   47.425368][  T305]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   47.431248][  T305] RIP: 0033:0x7faaf6711527
[   47.435639][  T305] 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
[   47.455216][  T305] RSP: 002b:00007ffedc530a08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   47.463600][  T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faaf6711527
[   47.471556][  T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffedc530ac0
[   47.479498][  T305] RBP: 00007ffedc530ac0 R08: 00007ffedc531ac0 R09: 00000000ffffffff
[   47.487503][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedc531b30
[   47.495464][  T305] R13: 00005555872e7720 R14: 00007ffedc531b30 R15: 0000000000000001
[   47.503424][  T305]  </TASK>
[   47.506420][  T305] ==================================================================
[   47.514463][  T305] Disabling lock debugging due to kernel taint
[   47.520682][  T305] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   47.528473][  T305] #PF: supervisor write access in kernel mode
[   47.534510][  T305] #PF: error_code(0x0002) - not-present page
[   47.540459][  T305] PGD 0 P4D 0 
[   47.543812][  T305] Oops: 0002 [#1] PREEMPT SMP KASAN
[   47.548984][  T305] CPU: 0 PID: 305 Comm: syz-executor839 Tainted: G    B   W         syzkaller #0
[   47.558059][  T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   47.568086][  T305] RIP: 0010:ihold+0x26/0x60
[   47.572567][  T305] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 41 8c b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 02 f2 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 c1
[   47.592411][  T305] RSP: 0018:ffffc90000987c10 EFLAGS: 00010246
[   47.598461][  T305] RAX: ffff88810b0dcf00 RBX: 0000000000000000 RCX: ffff88810b0dcf00
[   47.606408][  T305] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   47.614354][  T305] RBP: ffffc90000987c20 R08: 0000000000000003 R09: 0000000000000004
[   47.622298][  T305] R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff1102130297c
[   47.630470][  T305] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   47.638447][  T305] FS:  00005555872e63c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   47.647353][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.653912][  T305] CR2: 0000000000000170 CR3: 0000000126d6c000 CR4: 00000000003506b0
[   47.661862][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.669804][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.677761][  T305] Call Trace:
[   47.681017][  T305]  <TASK>
[   47.683939][  T305]  vfs_rmdir+0x23d/0x450
[   47.688158][  T305]  incfs_kill_sb+0xfe/0x210
[   47.692637][  T305]  deactivate_locked_super+0xa0/0x100
[   47.697982][  T305]  deactivate_super+0xaf/0xe0
[   47.702631][  T305]  cleanup_mnt+0x44f/0x500
[   47.707021][  T305]  __cleanup_mnt+0x19/0x20
[   47.711410][  T305]  task_work_run+0x127/0x190
[   47.715974][  T305]  ptrace_notify+0x230/0x270
[   47.720534][  T305]  ? do_notify_parent+0x830/0x830
[   47.725538][  T305]  ? user_path_at_empty+0x162/0x1c0
[   47.730708][  T305]  ? __x64_sys_umount+0x12d/0x170
[   47.735714][  T305]  ? path_umount+0xfa0/0xfa0
[   47.740291][  T305]  syscall_exit_work+0x87/0x160
[   47.745117][  T305]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   47.751242][  T305]  syscall_exit_to_user_mode+0xd/0x30
[   47.756764][  T305]  do_syscall_64+0x58/0xa0
[   47.761154][  T305]  ? clear_bhb_loop+0x50/0xa0
[   47.765817][  T305]  ? clear_bhb_loop+0x50/0xa0
[   47.770483][  T305]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   47.776351][  T305] RIP: 0033:0x7faaf6711527
[   47.781326][  T305] 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
[   47.800923][  T305] RSP: 002b:00007ffedc530a08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   47.809311][  T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faaf6711527
[   47.817829][  T305] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffedc530ac0
[   47.825787][  T305] RBP: 00007ffedc530ac0 R08: 00007ffedc531ac0 R09: 00000000ffffffff
[   47.833739][  T305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffedc531b30
[   47.841687][  T305] R13: 00005555872e7720 R14: 00007ffedc531b30 R15: 0000000000000001
[   47.849640][  T305]  </TASK>
[   47.852635][  T305] Modules linked in:
[   47.856514][  T305] CR2: 0000000000000170
[   47.860648][  T305] ---[ end trace 409344a742bbe575 ]---
[   47.866079][  T305] RIP: 0010:ihold+0x26/0x60
[   47.870561][  T305] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 41 8c b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 02 f2 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 c1
[   47.890167][  T305] RSP: 0018:ffffc90000987c10 EFLAGS: 00010246
[   47.896320][  T305] RAX: ffff88810b0dcf00 RBX: 0000000000000000 RCX: ffff88810b0dcf00
[   47.904290][  T305] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   47.913120][  T305] RBP: ffffc90000987c20 R08: 0000000000000003 R09: 0000000000000004
[   47.921096][  T305] R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff1102130297c
[   47.929047][  T305] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   47.936994][  T305] FS:  00005555872e63c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   47.945924][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.952499][  T305] CR2: 0000000000000170 CR3: 0000000126d6c000 CR4: 00000000003506b0
[   47.960450][  T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   47.968396][  T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   47.976342][  T305] Kernel panic - not syncing: Fatal exception
[   47.982666][  T305] Kernel Offset: disabled
[   47.986972][  T305] Rebooting in 86400 seconds..