ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor4186962496

<...>
Warning: Permanently added '10.128.0.73' (ED25519) to the list of known hosts.
execve("ci2-android-6-1/syz-executor4186962496", ["ci2-android-6-1/syz-executor4186962496"], 0x7ffd47032490 /* 10 vars */) = 0
brk(NULL)                               = 0x5555905e1000
brk(0x5555905e1d40)                     = 0x5555905e1d40
arch_prctl(ARCH_SET_FS, 0x5555905e13c0) = 0
set_tid_address(0x5555905e1690)         = 306
set_robust_list(0x5555905e16a0, 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-executor4186962496", 4096) = 44
getrandom("\xe0\xcd\x1b\xa8\xa0\xd0\xf8\x15", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555905e1d40
brk(0x555590602d40)                     = 0x555590602d40
brk(0x555590603000)                     = 0x555590603000
mprotect(0x7f635f9e9000, 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("\x18\x19\x41\x65\xcd\xe1\x1b\xf3", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.CKl1GK", 0700)       = 0
chmod("./syzkaller.CKl1GK", 0777)       = 0
chdir("./syzkaller.CKl1GK")             = 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=0x5555905e1690) = 307
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-1/strace-static-x86_64: Process 307 attached
[pid   307] set_robust_list(0x5555905e16a0, 24) = 0
[pid   307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   307] getppid()                   = 0
[pid   307] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   307] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   307] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   307] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   307] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   307] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   307] unshare(CLONE_NEWNS)        = 0
[pid   307] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   307] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   307] unshare(CLONE_NEWCGROUP)    = 0
[pid   307] unshare(CLONE_NEWUTS)       = 0
[pid   307] unshare(CLONE_SYSVSEM)      = 0
[pid   307] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   307] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   307] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   307] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   307] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   307] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   307] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   307] getpid()                    = 1
[pid   307] 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   307] 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   307] unshare(CLONE_NEWNET)       = 0
[pid   307] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   307] write(3, "0 65535", 7)      = 7
[pid   307] close(3)                    = 0
[pid   307] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   307] write(3, "100000", 6)       = 6
[pid   307] close(3)                    = 0
[pid   307] mkdir("./syz-tmp", 0777)    = 0
[pid   307] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   307] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   307] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   307] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   307] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   307] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   307] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   307] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   307] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   307] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   307] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   307] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   307] 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   307] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   307] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   307] 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   307] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   307] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   307] chdir("/")                  = 0
[pid   307] umount2("./pivot", MNT_DETACH) = 0
[pid   307] chroot("./newroot")         = 0
[pid   307] chdir("/")                  = 0
[pid   307] mkdir("/dev/gadgetfs", 0777) = 0
[   23.884003][   T28] audit: type=1400 audit(1794043272.012:64): avc:  denied  { execmem } for  pid=306 comm="syz-executor418" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.904035][   T28] audit: type=1400 audit(1794043272.012:65): avc:  denied  { mounton } for  pid=307 comm="syz-executor418" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   307] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   307] mkdir("/dev/binderfs", 0777) = 0
[pid   307] mount("binder", "/dev/binderfs", "binder", 0, "stats=global") = 0
[pid   307] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   307] mkdir("./0", 0777)          = 0
[pid   307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555905e1690) = 2
[pid   307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-1/strace-static-x86_64: Process 308 attached
[pid   308] set_robust_list(0x5555905e16a0, 24) = 0
[pid   308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   308] chdir("./0")                = 0
[pid   308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   308] setpgid(0, 0)               = 0
[pid   308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   308] write(3, "1000", 4)         = 4
[pid   308] close(3)                    = 0
[pid   308] symlink("/dev/binderfs", "./binderfs") = 0
[pid   308] write(1, "executing program\n", 18) = 18
[pid   308] mkdir("./bus", 0436)        = 0
executing program
[   23.925765][   T28] audit: type=1400 audit(1794043272.032:66): avc:  denied  { mounton } for  pid=307 comm="syz-executor418" path="/root/syzkaller.CKl1GK/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.927749][  T307] request_module fs-gadgetfs succeeded, but still no fs?
[   23.950981][   T28] audit: type=1400 audit(1794043272.032:67): avc:  denied  { mount } for  pid=307 comm="syz-executor418" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   308] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_SILENT, NULL) = 0
[pid   308] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   308] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   308] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   308] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   308] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   308] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   308] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   308] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   308] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   308] exit_group(0)               = ?
[pid   308] +++ exited with 0 +++
[pid   307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   307] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   307] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   307] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0
[pid   307] getdents64(3, 0x5555905e2750 /* 6 entries */, 32768) = 168
[pid   307] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   307] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   307] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   307] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   307] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   307] getdents64(4, 0x5555905ea790 /* 2 entries */, 32768) = 48
[pid   307] getdents64(4, 0x5555905ea790 /* 0 entries */, 32768) = 0
[pid   307] close(4)                    = 0
[pid   307] rmdir("./0/.incomplete")    = 0
[pid   307] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   307] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   307] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   307] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   307] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   307] getdents64(4, 0x5555905ea790 /* 2 entries */, 32768) = 48
[pid   307] getdents64(4, 0x5555905ea790 /* 0 entries */, 32768) = 0
[pid   307] close(4)                    = 0
[pid   307] rmdir("./0/.index")         = 0
[   23.965027][  T308] incfs: ino conflict with backing FS 9
[   23.980118][   T28] audit: type=1400 audit(1794043272.032:68): avc:  denied  { mounton } for  pid=307 comm="syz-executor418" path="/root/syzkaller.CKl1GK/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
[   24.010623][   T28] audit: type=1400 audit(1794043272.032:69): avc:  denied  { mount } for  pid=307 comm="syz-executor418" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   24.010790][  T307] ------------[ cut here ]------------
[   24.032552][   T28] audit: type=1400 audit(1794043272.032:70): avc:  denied  { mounton } for  pid=307 comm="syz-executor418" path="/root/syzkaller.CKl1GK/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
[   24.037998][  T307] WARNING: CPU: 1 PID: 307 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   24.064635][   T28] audit: type=1400 audit(1794043272.032:71): avc:  denied  { mounton } for  pid=307 comm="syz-executor418" path="/root/syzkaller.CKl1GK/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=6730 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   24.072511][  T307] Modules linked in:
[   24.100223][   T28] audit: type=1400 audit(1794043272.032:72): avc:  denied  { unmount } for  pid=307 comm="syz-executor418" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.103835][  T307] CPU: 1 PID: 307 Comm: syz-executor418 Not tainted syzkaller #0
[   24.123561][   T28] audit: type=1400 audit(1794043272.052:73): avc:  denied  { mounton } for  pid=307 comm="syz-executor418" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.131144][  T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   24.131156][  T307] RIP: 0010:drop_nlink+0xc5/0x110
[   24.169087][  T307] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 33 aa f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8b 09 ab ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   24.188741][  T307] RSP: 0018:ffffc90000e07b60 EFLAGS: 00010293
[   24.194864][  T307] RAX: ffffffff81c66895 RBX: ffff888122f0e288 RCX: ffff88810ee19440
[   24.202865][  T307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.210839][  T307] RBP: ffffc90000e07b88 R08: 0000000000000003 R09: 0000000000000004
[   24.218858][  T307] R10: dffffc0000000000 R11: fffff520001c0f5c R12: dffffc0000000000
[   24.226849][  T307] R13: 1ffff110245e1c5a R14: ffff888122f0e2d0 R15: 0000000000000000
[   24.234863][  T307] FS:  00005555905e13c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   24.243807][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.250389][  T307] CR2: 00005555905f2798 CR3: 0000000121da3000 CR4: 00000000003506a0
[   24.258401][  T307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.266381][  T307] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.274423][  T307] Call Trace:
[   24.277698][  T307]  <TASK>
[   24.280616][  T307]  shmem_rmdir+0x5b/0x90
[   24.284881][  T307]  vfs_rmdir+0x381/0x4f0
[   24.289125][  T307]  incfs_kill_sb+0xfe/0x210
[   24.293645][  T307]  deactivate_locked_super+0xb5/0x120
[   24.299016][  T307]  deactivate_super+0xaf/0xe0
[   24.303703][  T307]  cleanup_mnt+0x45e/0x4e0
[   24.308114][  T307]  __cleanup_mnt+0x19/0x20
[   24.312548][  T307]  task_work_run+0x1e1/0x250
[   24.317135][  T307]  ? __cfi_task_work_run+0x10/0x10
[   24.322258][  T307]  ? path_umount+0x345/0xf60
[   24.326850][  T307]  ? __kasan_slab_free+0x11/0x20
[   24.331805][  T307]  ptrace_notify+0x23f/0x270
[   24.336397][  T307]  ? __cfi_path_umount+0x10/0x10
[   24.341321][  T307]  ? __cfi_ptrace_notify+0x10/0x10
[   24.346445][  T307]  ? user_path_at_empty+0x162/0x1c0
[   24.351647][  T307]  ? __x64_sys_umount+0x12d/0x170
[   24.356695][  T307]  ? __cfi___x64_sys_umount+0x10/0x10
[   24.362078][  T307]  ? fpregs_restore_userregs+0x128/0x260
[   24.367706][  T307]  syscall_exit_work+0x84/0x140
[   24.372572][  T307]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.378725][  T307]  syscall_exit_to_user_mode+0xd/0x30
[   24.384201][  T307]  do_syscall_64+0x58/0xa0
[   24.388612][  T307]  ? clear_bhb_loop+0x30/0x80
[   24.393308][  T307]  ? clear_bhb_loop+0x30/0x80
[   24.398002][  T307]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   24.403941][  T307] RIP: 0033:0x7f635f956527
[   24.408367][  T307] 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
[   24.428172][  T307] RSP: 002b:00007ffd426e7898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   24.436606][  T307] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f635f956527
[   24.444586][  T307] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd426e7950
[   24.452581][  T307] RBP: 00007ffd426e7950 R08: 00007ffd426e8950 R09: 00000000ffffffff
[   24.460545][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd426e89c0
[   24.468562][  T307] R13: 00005555905e2720 R14: 00007ffd426e89c0 R15: 0000000000000001
[   24.476573][  T307]  </TASK>
[   24.479582][  T307] ---[ end trace 0000000000000000 ]---
[   24.485168][  T307] ==================================================================
[   24.493235][  T307] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   24.499471][  T307] Write of size 4 at addr 0000000000000170 by task syz-executor418/307
[   24.507688][  T307] 
[   24.510002][  T307] CPU: 1 PID: 307 Comm: syz-executor418 Tainted: G        W          syzkaller #0
[   24.519183][  T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   24.529227][  T307] Call Trace:
[   24.532492][  T307]  <TASK>
[   24.535402][  T307]  __dump_stack+0x21/0x24
[   24.539716][  T307]  dump_stack_lvl+0x110/0x170
[   24.544370][  T307]  ? __cfi_dump_stack_lvl+0x8/0x8
[   24.549373][  T307]  ? __cfi_call_rcu+0x10/0x10
[   24.554032][  T307]  ? ihold+0x20/0x60
[   24.557910][  T307]  ? ihold+0x20/0x60
[   24.561783][  T307]  print_report+0x3d/0x60
[   24.566092][  T307]  kasan_report+0x122/0x150
[   24.570603][  T307]  ? ihold+0x20/0x60
[   24.574475][  T307]  kasan_check_range+0x249/0x2a0
[   24.579393][  T307]  __kasan_check_write+0x14/0x20
[   24.584322][  T307]  ihold+0x20/0x60
[   24.588027][  T307]  vfs_rmdir+0x24c/0x4f0
[   24.592251][  T307]  incfs_kill_sb+0xfe/0x210
[   24.596736][  T307]  deactivate_locked_super+0xb5/0x120
[   24.602092][  T307]  deactivate_super+0xaf/0xe0
[   24.606751][  T307]  cleanup_mnt+0x45e/0x4e0
[   24.611151][  T307]  __cleanup_mnt+0x19/0x20
[   24.615547][  T307]  task_work_run+0x1e1/0x250
[   24.620120][  T307]  ? __cfi_task_work_run+0x10/0x10
[   24.625210][  T307]  ? path_umount+0x345/0xf60
[   24.629782][  T307]  ? __kasan_slab_free+0x11/0x20
[   24.634699][  T307]  ptrace_notify+0x23f/0x270
[   24.639269][  T307]  ? __cfi_path_umount+0x10/0x10
[   24.644188][  T307]  ? __cfi_ptrace_notify+0x10/0x10
[   24.649291][  T307]  ? user_path_at_empty+0x162/0x1c0
[   24.654498][  T307]  ? __x64_sys_umount+0x12d/0x170
[   24.659537][  T307]  ? __cfi___x64_sys_umount+0x10/0x10
[   24.664912][  T307]  ? fpregs_restore_userregs+0x128/0x260
[   24.670524][  T307]  syscall_exit_work+0x84/0x140
[   24.675359][  T307]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.681488][  T307]  syscall_exit_to_user_mode+0xd/0x30
[   24.686843][  T307]  do_syscall_64+0x58/0xa0
[   24.691241][  T307]  ? clear_bhb_loop+0x30/0x80
[   24.695905][  T307]  ? clear_bhb_loop+0x30/0x80
[   24.700569][  T307]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   24.706445][  T307] RIP: 0033:0x7f635f956527
[   24.710852][  T307] 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
[   24.730453][  T307] RSP: 002b:00007ffd426e7898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   24.738869][  T307] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f635f956527
[   24.746860][  T307] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd426e7950
[   24.754823][  T307] RBP: 00007ffd426e7950 R08: 00007ffd426e8950 R09: 00000000ffffffff
[   24.762783][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd426e89c0
[   24.770738][  T307] R13: 00005555905e2720 R14: 00007ffd426e89c0 R15: 0000000000000001
[   24.778700][  T307]  </TASK>
[   24.781710][  T307] ==================================================================
[   24.790027][  T307] Disabling lock debugging due to kernel taint
[   24.796213][  T307] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   24.804001][  T307] #PF: supervisor write access in kernel mode
[   24.810055][  T307] #PF: error_code(0x0002) - not-present page
[   24.816016][  T307] PGD 0 P4D 0 
[   24.819379][  T307] Oops: 0002 [#1] PREEMPT SMP KASAN
[   24.824563][  T307] CPU: 1 PID: 307 Comm: syz-executor418 Tainted: G    B   W          syzkaller #0
[   24.833740][  T307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
[   24.843793][  T307] RIP: 0010:ihold+0x26/0x60
[   24.848293][  T307] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 f1 00 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 70 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 e1
[   24.867894][  T307] RSP: 0018:ffffc90000e07ba0 EFLAGS: 00010246
[   24.873950][  T307] RAX: ffff88810ee19400 RBX: 0000000000000000 RCX: ffff88810ee19440
[   24.881912][  T307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.889873][  T307] RBP: ffffc90000e07bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
[   24.897837][  T307] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888122f0e294
[   24.905802][  T307] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   24.913762][  T307] FS:  00005555905e13c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   24.922681][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.929259][  T307] CR2: 0000000000000170 CR3: 0000000121da3000 CR4: 00000000003506a0
[   24.937231][  T307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.945195][  T307] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.953164][  T307] Call Trace:
[   24.956442][  T307]  <TASK>
[   24.959360][  T307]  vfs_rmdir+0x24c/0x4f0
[   24.963614][  T307]  incfs_kill_sb+0xfe/0x210
[   24.968114][  T307]  deactivate_locked_super+0xb5/0x120
[   24.973476][  T307]  deactivate_super+0xaf/0xe0
[   24.978146][  T307]  cleanup_mnt+0x45e/0x4e0
[   24.982552][  T307]  __cleanup_mnt+0x19/0x20
[   24.986956][  T307]  task_work_run+0x1e1/0x250
[   24.991540][  T307]  ? __cfi_task_work_run+0x10/0x10
[   24.996648][  T307]  ? path_umount+0x345/0xf60
[   25.001233][  T307]  ? __kasan_slab_free+0x11/0x20
[   25.006164][  T307]  ptrace_notify+0x23f/0x270
[   25.010753][  T307]  ? __cfi_path_umount+0x10/0x10
[   25.015688][  T307]  ? __cfi_ptrace_notify+0x10/0x10
[   25.020791][  T307]  ? user_path_at_empty+0x162/0x1c0
[   25.025987][  T307]  ? __x64_sys_umount+0x12d/0x170
[   25.031016][  T307]  ? __cfi___x64_sys_umount+0x10/0x10
[   25.036391][  T307]  ? fpregs_restore_userregs+0x128/0x260
[   25.042018][  T307]  syscall_exit_work+0x84/0x140
[   25.046865][  T307]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   25.053010][  T307]  syscall_exit_to_user_mode+0xd/0x30
[   25.058380][  T307]  do_syscall_64+0x58/0xa0
[   25.062790][  T307]  ? clear_bhb_loop+0x30/0x80
[   25.067459][  T307]  ? clear_bhb_loop+0x30/0x80
[   25.072128][  T307]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   25.078015][  T307] RIP: 0033:0x7f635f956527
[   25.082425][  T307] 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
[   25.102019][  T307] RSP: 002b:00007ffd426e7898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.110430][  T307] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f635f956527
[   25.118393][  T307] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd426e7950
[   25.126353][  T307] RBP: 00007ffd426e7950 R08: 00007ffd426e8950 R09: 00000000ffffffff
[   25.134314][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd426e89c0
[   25.142271][  T307] R13: 00005555905e2720 R14: 00007ffd426e89c0 R15: 0000000000000001
[   25.150237][  T307]  </TASK>
[   25.153241][  T307] Modules linked in:
[   25.157147][  T307] CR2: 0000000000000170
[   25.161294][  T307] ---[ end trace 0000000000000000 ]---
[   25.166745][  T307] RIP: 0010:ihold+0x26/0x60
[   25.171246][  T307] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 f1 00 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 70 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 e1
[   25.190842][  T307] RSP: 0018:ffffc90000e07ba0 EFLAGS: 00010246
[   25.196899][  T307] RAX: ffff88810ee19400 RBX: 0000000000000000 RCX: ffff88810ee19440
[   25.204868][  T307] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.212833][  T307] RBP: ffffc90000e07bb0 R08: ffffffff87b777e7 R09: 1ffffffff0f6eefc
[   25.220792][  T307] R10: dffffc0000000000 R11: fffffbfff0f6eefd R12: ffff888122f0e294
[   25.228753][  T307] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   25.236711][  T307] FS:  00005555905e13c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   25.245630][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.252203][  T307] CR2: 0000000000000170 CR3: 0000000121da3000 CR4: 00000000003506a0
[   25.260165][  T307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.268128][  T307] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.276095][  T307] Kernel panic - not syncing: Fatal exception
[   25.282380][  T307] Kernel Offset: disabled
[   25.286691][  T307] Rebooting in 86400 seconds..