./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor858133204
<...>
[ 3.243499][ T24] audit: type=1400 audit(1721021275.650:9): avc: denied { append open } for pid=75 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 3.246633][ T24] audit: type=1400 audit(1721021275.650:10): avc: denied { getattr } for pid=75 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1
[ 3.638587][ T92] udevd[92]: starting version 3.2.11
[ 3.732430][ T93] udevd[93]: starting eudev-3.2.11
[ 12.858611][ T24] kauditd_printk_skb: 50 callbacks suppressed
[ 12.858621][ T24] audit: type=1400 audit(1721021285.280:61): avc: denied { transition } for pid=218 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 12.862421][ T24] audit: type=1400 audit(1721021285.280:62): avc: denied { noatsecure } for pid=218 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 12.864926][ T24] audit: type=1400 audit(1721021285.280:63): avc: denied { write } for pid=218 comm="sh" path="pipe:[13628]" dev="pipefs" ino=13628 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 12.868353][ T24] audit: type=1400 audit(1721021285.280:64): avc: denied { rlimitinh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 12.870871][ T24] audit: type=1400 audit(1721021285.280:65): avc: denied { siginh } for pid=218 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.83' (ED25519) to the list of known hosts.
execve("./syz-executor858133204", ["./syz-executor858133204"], 0x7fff9db06df0 /* 10 vars */) = 0
brk(NULL) = 0x555556df0000
brk(0x555556df0d00) = 0x555556df0d00
arch_prctl(ARCH_SET_FS, 0x555556df0380) = 0
set_tid_address(0x555556df0650) = 286
set_robust_list(0x555556df0660, 24) = 0
rseq(0x555556df0ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor858133204", 4096) = 27
getrandom("\x01\xd4\x40\xbc\x8e\x5d\x59\x03", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556df0d00
brk(0x555556e11d00) = 0x555556e11d00
brk(0x555556e12000) = 0x555556e12000
mprotect(0x7f3c16b18000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
mkdir("./syzkaller.Hjs5S2", 0700) = 0
chmod("./syzkaller.Hjs5S2", 0777) = 0
chdir("./syzkaller.Hjs5S2") = 0
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556df0650) = 287
./strace-static-x86_64: Process 287 attached
[pid 287] set_robust_list(0x555556df0660, 24) = 0
[pid 287] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 287] setsid() = 1
[pid 287] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 287] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 287] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 287] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 287] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 287] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 287] unshare(CLONE_NEWNS) = 0
[pid 287] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 287] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument)
[pid 287] unshare(CLONE_NEWCGROUP) = 0
[pid 287] unshare(CLONE_NEWUTS) = 0
[pid 287] unshare(CLONE_SYSVSEM) = 0
[pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 287] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 287] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 287] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 287] getpid() = 1
[pid 287] 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 287] 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 287] unshare(CLONE_NEWNET) = 0
[pid 287] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 287] write(3, "0 65535", 7) = 7
[pid 287] close(3) = 0
[pid 287] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid 287] write(3, "100000", 6) = 6
[pid 287] close(3) = 0
[pid 287] mkdir("./syz-tmp", 0777) = 0
[pid 287] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid 287] mkdir("./syz-tmp/newroot", 0777) = 0
[pid 287] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid 287] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 287] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid 287] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid 287] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid 287] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 287] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 287] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid 287] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 287] mkdir("./syz-tmp/pivot", 0777) = 0
[pid 287] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 287] chdir("/") = 0
[ 21.185680][ T24] audit: type=1400 audit(1721021293.600:66): avc: denied { execmem } for pid=286 comm="syz-executor858" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.190486][ T24] audit: type=1400 audit(1721021293.610:67): avc: denied { mounton } for pid=287 comm="syz-executor858" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1
[ 21.193680][ T24] audit: type=1400 audit(1721021293.610:68): avc: denied { mount } for pid=287 comm="syz-executor858" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[ 21.197730][ T24] audit: type=1400 audit(1721021293.620:69): avc: denied { mounton } for pid=287 comm="syz-executor858" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid 287] umount2("./pivot", MNT_DETACH) = 0
[pid 287] chroot("./newroot") = 0
[pid 287] chdir("/") = 0
[pid 287] mkdir("/dev/binderfs", 0777) = 0
[pid 287] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 287] mkdir("./0", 0777) = 0
[pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556df0650) = 2
./strace-static-x86_64: Process 288 attached
[pid 288] set_robust_list(0x555556df0660, 24) = 0
[pid 288] chdir("./0") = 0
[pid 288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 288] setpgid(0, 0) = 0
[pid 288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 288] write(3, "1000", 4) = 4
[pid 288] close(3) = 0
[pid 288] symlink("/dev/binderfs", "./binderfs") = 0
[pid 288] write(1, "executing program\n", 18executing program
) = 18
[pid 288] mkdir("./file0", 000) = 0
[pid 288] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid 288] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid 288] close(3) = -1 EBADF (Bad file descriptor)
[pid 288] close(4) = -1 EBADF (Bad file descriptor)
[pid 288] close(5) = -1 EBADF (Bad file descriptor)
[pid 288] close(6) = -1 EBADF (Bad file descriptor)
[pid 288] close(7) = -1 EBADF (Bad file descriptor)
[pid 288] close(8) = -1 EBADF (Bad file descriptor)
[pid 288] close(9) = -1 EBADF (Bad file descriptor)
[pid 288] close(10) = -1 EBADF (Bad file descriptor)
[pid 288] close(11) = -1 EBADF (Bad file descriptor)
[pid 288] close(12) = -1 EBADF (Bad file descriptor)
[pid 288] close(13) = -1 EBADF (Bad file descriptor)
[pid 288] close(14) = -1 EBADF (Bad file descriptor)
[pid 288] close(15) = -1 EBADF (Bad file descriptor)
[pid 288] close(16) = -1 EBADF (Bad file descriptor)
[pid 288] close(17) = -1 EBADF (Bad file descriptor)
[pid 288] close(18) = -1 EBADF (Bad file descriptor)
[pid 288] close(19) = -1 EBADF (Bad file descriptor)
[pid 288] close(20) = -1 EBADF (Bad file descriptor)
[pid 288] close(21) = -1 EBADF (Bad file descriptor)
[pid 288] close(22) = -1 EBADF (Bad file descriptor)
[pid 288] close(23) = -1 EBADF (Bad file descriptor)
[pid 288] close(24) = -1 EBADF (Bad file descriptor)
[pid 288] close(25) = -1 EBADF (Bad file descriptor)
[pid 288] close(26) = -1 EBADF (Bad file descriptor)
[pid 288] close(27) = -1 EBADF (Bad file descriptor)
[pid 288] close(28) = -1 EBADF (Bad file descriptor)
[pid 288] close(29) = -1 EBADF (Bad file descriptor)
[pid 288] exit_group(0) = ?
[pid 288] +++ exited with 0 +++
[pid 287] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid 287] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 287] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 287] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 287] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid 287] getdents64(3, 0x555556df16f0 /* 6 entries */, 32768) = 176
[pid 287] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 287] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 287] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 287] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 287] getdents64(4, 0x555556df9730 /* 2 entries */, 32768) = 48
[pid 287] getdents64(4, 0x555556df9730 /* 0 entries */, 32768) = 0
[pid 287] close(4) = 0
[pid 287] rmdir("./0/.incomplete") = 0
[pid 287] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 287] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 287] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 287] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 287] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 287] getdents64(4, 0x555556df9730 /* 2 entries */, 32768) = 48
[pid 287] getdents64(4, 0x555556df9730 /* 0 entries */, 32768) = 0
[pid 287] close(4) = 0
[pid 287] rmdir("./0/.index") = 0
[ 21.218097][ T24] audit: type=1400 audit(1721021293.640:70): avc: denied { mounton } for pid=287 comm="syz-executor858" path="/root/syzkaller.Hjs5S2/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 21.242695][ T24] audit: type=1400 audit(1721021293.640:71): avc: denied { mount } for pid=287 comm="syz-executor858" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[ 21.249111][ T288] incfs: ino conflict with backing FS 8
[ 21.265193][ T24] audit: type=1400 audit(1721021293.640:72): avc: denied { mounton } for pid=287 comm="syz-executor858" path="/root/syzkaller.Hjs5S2/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
[ 21.295286][ T287] ------------[ cut here ]------------
[ 21.295680][ T24] audit: type=1400 audit(1721021293.640:73): avc: denied { mount } for pid=287 comm="syz-executor858" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 21.300777][ T287] WARNING: CPU: 0 PID: 287 at fs/inode.c:304 drop_nlink+0xc1/0x110
[ 21.322299][ T24] audit: type=1400 audit(1721021293.640:74): avc: denied { unmount } for pid=287 comm="syz-executor858" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 21.331174][ T287] Modules linked in:
[ 21.349501][ T24] audit: type=1400 audit(1721021293.670:75): avc: denied { mounton } for pid=287 comm="syz-executor858" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 21.353152][ T287] CPU: 0 PID: 287 Comm: syz-executor858 Not tainted 5.10.218-syzkaller-00638-g3feee789f446 #0
[ 21.386191][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 21.396117][ T287] RIP: 0010:drop_nlink+0xc1/0x110
[ 21.400925][ T287] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 77 ce f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 af 38 b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[ 21.420395][ T287] RSP: 0018:ffffc90000c67be8 EFLAGS: 00010293
[ 21.426254][ T287] RAX: ffffffff81b771d1 RBX: 0000000000000000 RCX: ffff88811edf2780
[ 21.434091][ T287] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 21.441888][ T287] RBP: ffffc90000c67c10 R08: ffffffff81b77154 R09: 0000000000000003
[ 21.449791][ T287] R10: fffff5200018cf6c R11: dffffc0000000001 R12: dffffc0000000000
[ 21.457612][ T287] R13: 1ffff11023e3f015 R14: ffff88811f1f8060 R15: ffff88811f1f80a8
[ 21.465394][ T287] FS: 0000555556df0380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 21.474189][ T287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 21.480617][ T287] CR2: 0000555c9d9022e8 CR3: 0000000119dd6000 CR4: 00000000003506a0
[ 21.488431][ T287] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 21.496205][ T287] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 21.504040][ T287] Call Trace:
[ 21.507158][ T287] ? show_regs+0x58/0x60
[ 21.511218][ T287] ? __warn+0x160/0x2f0
[ 21.515214][ T287] ? drop_nlink+0xc1/0x110
[ 21.519492][ T287] ? report_bug+0x3d9/0x5b0
[ 21.523811][ T287] ? drop_nlink+0xc1/0x110
[ 21.528090][ T287] ? handle_bug+0x41/0x70
[ 21.532224][ T287] ? exc_invalid_op+0x1b/0x50
[ 21.536782][ T287] ? asm_exc_invalid_op+0x12/0x20
[ 21.541606][ T287] ? drop_nlink+0x44/0x110
[ 21.545849][ T287] ? drop_nlink+0xc1/0x110
[ 21.550140][ T287] ? drop_nlink+0xc1/0x110
[ 21.554357][ T287] ? drop_nlink+0xc1/0x110
[ 21.558635][ T287] shmem_rmdir+0x59/0x90
[ 21.562690][ T287] vfs_rmdir+0x2b7/0x3f0
[ 21.566793][ T287] incfs_kill_sb+0x108/0x220
[ 21.571299][ T287] deactivate_locked_super+0xad/0x110
[ 21.576520][ T287] deactivate_super+0xbe/0xf0
[ 21.581006][ T287] cleanup_mnt+0x45c/0x510
[ 21.585252][ T287] __cleanup_mnt+0x19/0x20
[ 21.589539][ T287] task_work_run+0x129/0x190
[ 21.593935][ T287] ptrace_notify+0x29e/0x350
[ 21.598389][ T287] ? do_notify_parent+0xa10/0xa10
[ 21.603221][ T287] ? user_path_at_empty+0x40/0x50
[ 21.608105][ T287] ? __x64_sys_umount+0x122/0x170
[ 21.612940][ T287] ? path_umount+0xea0/0xea0
[ 21.617395][ T287] syscall_exit_to_user_mode+0xf5/0x1a0
[ 21.622749][ T287] do_syscall_64+0x40/0x70
[ 21.627028][ T287] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 21.632739][ T287] RIP: 0033:0x7f3c16aa59a7
[ 21.637004][ T287] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[ 21.656531][ T287] RSP: 002b:00007ffe88172b08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 21.664751][ T287] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3c16aa59a7
[ 21.672589][ T287] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe88172bc0
[ 21.680393][ T287] RBP: 00007ffe88172bc0 R08: 0000000000000000 R09: 0000000000000000
[ 21.688210][ T287] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe88173c30
[ 21.696002][ T287] R13: 0000555556df16c0 R14: 00007ffe88173c30 R15: 0000000000000001
[ 21.703840][ T287] ---[ end trace 0089deb5a51ef42a ]---
[ 21.709147][ T287] ==================================================================
[ 21.717009][ T287] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[ 21.723075][ T287] Write of size 4 at addr 0000000000000170 by task syz-executor858/287
[ 21.731146][ T287]
[ 21.733319][ T287] CPU: 1 PID: 287 Comm: syz-executor858 Tainted: G W 5.10.218-syzkaller-00638-g3feee789f446 #0
[ 21.744773][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 21.754665][ T287] Call Trace:
[ 21.757801][ T287] dump_stack_lvl+0x1e2/0x24b
[ 21.762307][ T287] ? panic+0x812/0x812
[ 21.766211][ T287] ? bfq_pos_tree_add_move+0x43b/0x43b
[ 21.771507][ T287] ? _raw_spin_lock+0xa4/0x1b0
[ 21.776106][ T287] ? _raw_spin_trylock_bh+0x190/0x190
[ 21.781324][ T287] kasan_report+0x167/0x1c0
[ 21.785661][ T287] ? ihold+0x20/0x60
[ 21.789388][ T287] ? ihold+0x20/0x60
[ 21.793116][ T287] kasan_check_range+0x293/0x2a0
[ 21.797897][ T287] __kasan_check_write+0x14/0x20
[ 21.802667][ T287] ihold+0x20/0x60
[ 21.806222][ T287] vfs_rmdir+0x200/0x3f0
[ 21.810306][ T287] incfs_kill_sb+0x108/0x220
[ 21.814728][ T287] deactivate_locked_super+0xad/0x110
[ 21.819934][ T287] deactivate_super+0xbe/0xf0
[ 21.824450][ T287] cleanup_mnt+0x45c/0x510
[ 21.828704][ T287] __cleanup_mnt+0x19/0x20
[ 21.832955][ T287] task_work_run+0x129/0x190
[ 21.837383][ T287] ptrace_notify+0x29e/0x350
[ 21.841806][ T287] ? do_notify_parent+0xa10/0xa10
[ 21.846670][ T287] ? user_path_at_empty+0x40/0x50
[ 21.851527][ T287] ? __x64_sys_umount+0x122/0x170
[ 21.856387][ T287] ? path_umount+0xea0/0xea0
[ 21.860815][ T287] syscall_exit_to_user_mode+0xf5/0x1a0
[ 21.866195][ T287] do_syscall_64+0x40/0x70
[ 21.870549][ T287] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 21.876265][ T287] RIP: 0033:0x7f3c16aa59a7
[ 21.880516][ T287] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[ 21.899956][ T287] RSP: 002b:00007ffe88172b08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 21.908200][ T287] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3c16aa59a7
[ 21.916010][ T287] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe88172bc0
[ 21.923822][ T287] RBP: 00007ffe88172bc0 R08: 0000000000000000 R09: 0000000000000000
[ 21.931643][ T287] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe88173c30
[ 21.939617][ T287] R13: 0000555556df16c0 R14: 00007ffe88173c30 R15: 0000000000000001
[ 21.947438][ T287] ==================================================================
[ 21.955326][ T287] Disabling lock debugging due to kernel taint
[ 21.961414][ T287] BUG: kernel NULL pointer dereference, address: 0000000000000170
[ 21.968956][ T287] #PF: supervisor write access in kernel mode
[ 21.974856][ T287] #PF: error_code(0x0002) - not-present page
[ 21.980672][ T287] PGD 0 P4D 0
[ 21.983882][ T287] Oops: 0002 [#1] PREEMPT SMP KASAN
[ 21.988920][ T287] CPU: 1 PID: 287 Comm: syz-executor858 Tainted: G B W 5.10.218-syzkaller-00638-g3feee789f446 #0
[ 22.000374][ T287] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 22.010277][ T287] RIP: 0010:ihold+0x25/0x60
[ 22.014611][ T287] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 30 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 60 c6 f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 44 34 b3
[ 22.034059][ T287] RSP: 0018:ffffc90000c67c28 EFLAGS: 00010246
[ 22.039951][ T287] RAX: ffff88811edf2700 RBX: 0000000000000001 RCX: ffff88811edf2780
[ 22.047762][ T287] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 22.055573][ T287] RBP: ffffc90000c67c38 R08: ffffffff813e2c3b R09: 0000000000000003
[ 22.063385][ T287] R10: fffffbfff0e10648 R11: dffffc0000000001 R12: dffffc0000000000
[ 22.071196][ T287] R13: ffff88811cd48dd0 R14: 0000000000000000 R15: 0000000000000000
[ 22.079097][ T287] FS: 0000555556df0380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.087862][ T287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.094282][ T287] CR2: 0000000000000170 CR3: 0000000119dd6000 CR4: 00000000003506a0
[ 22.102095][ T287] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.109908][ T287] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.117713][ T287] Call Trace:
[ 22.120852][ T287] ? __die_body+0x62/0xb0
[ 22.125011][ T287] ? __die+0x7e/0x90
[ 22.128744][ T287] ? no_context+0xbc8/0xf20
[ 22.133082][ T287] ? is_prefetch+0x5c0/0x5c0
[ 22.137509][ T287] ? preempt_schedule+0xd9/0xe0
[ 22.142198][ T287] ? __kasan_check_read+0x11/0x20
[ 22.147053][ T287] ? preempt_schedule_common+0xbe/0xf0
[ 22.152351][ T287] ? preempt_schedule+0xd9/0xe0
[ 22.157038][ T287] ? schedule_preempt_disabled+0x20/0x20
[ 22.162505][ T287] ? sysvec_apic_timer_interrupt+0xcb/0xe0
[ 22.168146][ T287] ? __bad_area_nosemaphore+0xcd/0x440
[ 22.173460][ T287] ? bad_area_nosemaphore+0x2d/0x40
[ 22.178490][ T287] ? exc_page_fault+0x3ea/0x5b0
[ 22.183169][ T287] ? asm_exc_page_fault+0x1e/0x30
[ 22.188028][ T287] ? check_panic_on_warn+0x5b/0xb0
[ 22.193057][ T287] ? ihold+0x25/0x60
[ 22.196787][ T287] ? ihold+0x20/0x60
[ 22.200521][ T287] vfs_rmdir+0x200/0x3f0
[ 22.204598][ T287] incfs_kill_sb+0x108/0x220
[ 22.209472][ T287] deactivate_locked_super+0xad/0x110
[ 22.214679][ T287] deactivate_super+0xbe/0xf0
[ 22.219190][ T287] cleanup_mnt+0x45c/0x510
[ 22.223443][ T287] __cleanup_mnt+0x19/0x20
[ 22.227703][ T287] task_work_run+0x129/0x190
[ 22.232123][ T287] ptrace_notify+0x29e/0x350
[ 22.236557][ T287] ? do_notify_parent+0xa10/0xa10
[ 22.241409][ T287] ? user_path_at_empty+0x40/0x50
[ 22.246357][ T287] ? __x64_sys_umount+0x122/0x170
[ 22.251216][ T287] ? path_umount+0xea0/0xea0
[ 22.255646][ T287] syscall_exit_to_user_mode+0xf5/0x1a0
[ 22.261023][ T287] do_syscall_64+0x40/0x70
[ 22.265278][ T287] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 22.271178][ T287] RIP: 0033:0x7f3c16aa59a7
[ 22.275431][ T287] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[ 22.294870][ T287] RSP: 002b:00007ffe88172b08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 22.303289][ T287] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3c16aa59a7
[ 22.311099][ T287] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe88172bc0
[ 22.318997][ T287] RBP: 00007ffe88172bc0 R08: 0000000000000000 R09: 0000000000000000
[ 22.326821][ T287] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe88173c30
[ 22.334708][ T287] R13: 0000555556df16c0 R14: 00007ffe88173c30 R15: 0000000000000001
[ 22.342516][ T287] Modules linked in:
[ 22.346263][ T287] CR2: 0000000000000170
[ 22.350251][ T287] ---[ end trace 0089deb5a51ef42b ]---
[ 22.355543][ T287] RIP: 0010:ihold+0x25/0x60
[ 22.359879][ T287] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 30 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 60 c6 f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 44 34 b3
[ 22.379591][ T287] RSP: 0018:ffffc90000c67c28 EFLAGS: 00010246
[ 22.385489][ T287] RAX: ffff88811edf2700 RBX: 0000000000000001 RCX: ffff88811edf2780
[ 22.393295][ T287] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 22.401105][ T287] RBP: ffffc90000c67c38 R08: ffffffff813e2c3b R09: 0000000000000003
[ 22.408916][ T287] R10: fffffbfff0e10648 R11: dffffc0000000001 R12: dffffc0000000000
[ 22.416725][ T287] R13: ffff88811cd48dd0 R14: 0000000000000000 R15: 0000000000000000
[ 22.424542][ T287] FS: 0000555556df0380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.433314][ T287] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.439725][ T287] CR2: 0000000000000170 CR3: 0000000119dd6000 CR4: 00000000003506a0
[ 22.447539][ T287] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.455359][ T287] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.463159][ T287] Kernel panic - not syncing: Fatal exception
[ 22.469262][ T287] Kernel Offset: disabled
[ 22.473382][ T287] Rebooting in 86400 seconds..