./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3119994617
<...>
Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts.
execve("./syz-executor3119994617", ["./syz-executor3119994617"], 0x7ffddcad99d0 /* 10 vars */) = 0
brk(NULL) = 0x555563c9c000
brk(0x555563c9cd00) = 0x555563c9cd00
arch_prctl(ARCH_SET_FS, 0x555563c9c380) = 0
set_tid_address(0x555563c9c650) = 288
set_robust_list(0x555563c9c660, 24) = 0
rseq(0x555563c9cca0, 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-executor3119994617", 4096) = 28
getrandom("\xf6\xd4\x7b\xed\xd0\x10\xf8\xa1", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555563c9cd00
brk(0x555563cbdd00) = 0x555563cbdd00
brk(0x555563cbe000) = 0x555563cbe000
mprotect(0x7f41b299c000, 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.6YhNSA", 0700) = 0
chmod("./syzkaller.6YhNSA", 0777) = 0
chdir("./syzkaller.6YhNSA") = 0
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555563c9c650) = 289
./strace-static-x86_64: Process 289 attached
[pid 289] set_robust_list(0x555563c9c660, 24) = 0
[pid 289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 289] getppid() = 0
[pid 289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 289] unshare(CLONE_NEWNS) = 0
[pid 289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 289] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument)
[pid 289] unshare(CLONE_NEWCGROUP) = 0
[pid 289] unshare(CLONE_NEWUTS) = 0
[pid 289] unshare(CLONE_SYSVSEM) = 0
[pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 289] getpid() = 1
[pid 289] 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 289] 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 289] unshare(CLONE_NEWNET) = 0
[pid 289] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 289] write(3, "0 65535", 7) = 7
[pid 289] close(3) = 0
[pid 289] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid 289] write(3, "100000", 6) = 6
[pid 289] close(3) = 0
[pid 289] mkdir("./syz-tmp", 0777) = 0
[ 21.705017][ T24] audit: type=1400 audit(1730581262.739:66): avc: denied { execmem } for pid=288 comm="syz-executor311" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.714610][ T24] audit: type=1400 audit(1730581262.749:67): avc: denied { mounton } for pid=289 comm="syz-executor311" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid 289] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid 289] mkdir("./syz-tmp/newroot", 0777) = 0
[pid 289] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid 289] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 289] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid 289] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid 289] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid 289] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 289] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 289] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid 289] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 289] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 289] 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 289] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 289] mkdir("./syz-tmp/pivot", 0777) = 0
[pid 289] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 289] chdir("/") = 0
[ 21.734428][ T24] audit: type=1400 audit(1730581262.769:68): avc: denied { mounton } for pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 21.758887][ T24] audit: type=1400 audit(1730581262.769:69): avc: denied { mount } for pid=289 comm="syz-executor311" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid 289] umount2("./pivot", MNT_DETACH) = 0
[pid 289] chroot("./newroot") = 0
[pid 289] chdir("/") = 0
[pid 289] mkdir("/dev/binderfs", 0777) = 0
[pid 289] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 289] mkdir("./0", 0777) = 0
[pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555563c9c650) = 2
./strace-static-x86_64: Process 290 attached
[pid 290] set_robust_list(0x555563c9c660, 24) = 0
[pid 290] chdir("./0") = 0
[pid 290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 290] setpgid(0, 0) = 0
[pid 290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 290] write(3, "1000", 4) = 4
[pid 290] close(3) = 0
[pid 290] symlink("/dev/binderfs", "./binderfs") = 0
[pid 290] write(1, "executing program\n", 18executing program
) = 18
[pid 290] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid 290] mkdir("./file0/file0", 000) = 0
[pid 290] mount("./file0", "./file0/../file0/file0", "incremental-fs", 0, NULL) = 0
[pid 290] close(3) = -1 EBADF (Bad file descriptor)
[pid 290] close(4) = -1 EBADF (Bad file descriptor)
[pid 290] close(5) = -1 EBADF (Bad file descriptor)
[pid 290] close(6) = -1 EBADF (Bad file descriptor)
[pid 290] close(7) = -1 EBADF (Bad file descriptor)
[pid 290] close(8) = -1 EBADF (Bad file descriptor)
[pid 290] close(9) = -1 EBADF (Bad file descriptor)
[pid 290] close(10) = -1 EBADF (Bad file descriptor)
[pid 290] close(11) = -1 EBADF (Bad file descriptor)
[pid 290] close(12) = -1 EBADF (Bad file descriptor)
[pid 290] close(13) = -1 EBADF (Bad file descriptor)
[pid 290] close(14) = -1 EBADF (Bad file descriptor)
[pid 290] close(15) = -1 EBADF (Bad file descriptor)
[pid 290] close(16) = -1 EBADF (Bad file descriptor)
[pid 290] close(17) = -1 EBADF (Bad file descriptor)
[pid 290] close(18) = -1 EBADF (Bad file descriptor)
[pid 290] close(19) = -1 EBADF (Bad file descriptor)
[pid 290] close(20) = -1 EBADF (Bad file descriptor)
[pid 290] close(21) = -1 EBADF (Bad file descriptor)
[pid 290] close(22) = -1 EBADF (Bad file descriptor)
[pid 290] close(23) = -1 EBADF (Bad file descriptor)
[pid 290] close(24) = -1 EBADF (Bad file descriptor)
[pid 290] close(25) = -1 EBADF (Bad file descriptor)
[pid 290] close(26) = -1 EBADF (Bad file descriptor)
[pid 290] close(27) = -1 EBADF (Bad file descriptor)
[pid 290] close(28) = -1 EBADF (Bad file descriptor)
[pid 290] close(29) = -1 EBADF (Bad file descriptor)
[pid 290] exit_group(0) = ?
[pid 290] +++ exited with 0 +++
[pid 289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid 289] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 289] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 289] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid 289] getdents64(3, 0x555563c9d6f0 /* 4 entries */, 32768) = 112
[pid 289] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|000, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 289] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 289] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=100, ...}, AT_EMPTY_PATH) = 0
[pid 289] getdents64(4, 0x555563ca5730 /* 5 entries */, 32768) = 144
[pid 289] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] newfstatat(AT_FDCWD, "./0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 289] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] openat(AT_FDCWD, "./0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid 289] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 289] getdents64(5, 0x555563cad770 /* 2 entries */, 32768) = 48
[pid 289] getdents64(5, 0x555563cad770 /* 0 entries */, 32768) = 0
[pid 289] close(5) = 0
[pid 289] rmdir("./0/file0/.incomplete") = 0
[pid 289] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] newfstatat(AT_FDCWD, "./0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 289] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] openat(AT_FDCWD, "./0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid 289] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 289] getdents64(5, 0x555563cad770 /* 2 entries */, 32768) = 48
[pid 289] getdents64(5, 0x555563cad770 /* 0 entries */, 32768) = 0
[pid 289] close(5) = 0
[pid 289] rmdir("./0/file0/.index") = 0
[ 21.781047][ T24] audit: type=1400 audit(1730581262.819:70): avc: denied { mounton } for pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/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
[ 21.806230][ T24] audit: type=1400 audit(1730581262.819:71): avc: denied { mount } for pid=289 comm="syz-executor311" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 21.827960][ T24] audit: type=1400 audit(1730581262.819:72): avc: denied { mounton } for pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/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
[ 21.854582][ T24] audit: type=1400 audit(1730581262.819:73): avc: denied { mounton } for pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1616 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 21.854819][ T289] ------------[ cut here ]------------
[ 21.881919][ T24] audit: type=1400 audit(1730581262.819:74): avc: denied { unmount } for pid=289 comm="syz-executor311" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 21.881934][ T24] audit: type=1400 audit(1730581262.839:75): avc: denied { mounton } for pid=289 comm="syz-executor311" path="/dev/binderfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 21.929406][ T289] WARNING: CPU: 1 PID: 289 at fs/inode.c:304 drop_nlink+0xc1/0x110
[ 21.937045][ T289] Modules linked in:
[ 21.940753][ T289] CPU: 1 PID: 289 Comm: syz-executor311 Not tainted 5.10.226-syzkaller #0
[ 21.949218][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 21.959140][ T289] RIP: 0010:drop_nlink+0xc1/0x110
[ 21.963933][ T289] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 a7 cc f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 af 30 b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[ 21.983406][ T289] RSP: 0018:ffffc90000b07be8 EFLAGS: 00010293
[ 21.989320][ T289] RAX: ffffffff81b77c41 RBX: 0000000000000000 RCX: ffff88810d318000
[ 21.997110][ T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 22.005026][ T289] RBP: ffffc90000b07c10 R08: ffffffff81b77bc4 R09: 0000000000000003
[ 22.012869][ T289] R10: fffff52000160f6c R11: dffffc0000000001 R12: dffffc0000000000
[ 22.020665][ T289] R13: 1ffff11021a6a6e1 R14: ffff88810d3536c0 R15: ffff88810d353708
[ 22.028475][ T289] FS: 0000555563c9c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.037239][ T289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.043636][ T289] CR2: 0000562014571738 CR3: 000000010cba6000 CR4: 00000000003506a0
[ 22.051476][ T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.059277][ T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.067094][ T289] Call Trace:
[ 22.070212][ T289] ? show_regs+0x58/0x60
[ 22.074275][ T289] ? __warn+0x160/0x2f0
[ 22.078311][ T289] ? drop_nlink+0xc1/0x110
[ 22.082530][ T289] ? report_bug+0x3d9/0x5b0
[ 22.086890][ T289] ? drop_nlink+0xc1/0x110
[ 22.091114][ T289] ? handle_bug+0x41/0x70
[ 22.095279][ T289] ? exc_invalid_op+0x1b/0x50
[ 22.099818][ T289] ? asm_exc_invalid_op+0x12/0x20
[ 22.104658][ T289] ? drop_nlink+0x44/0x110
[ 22.108932][ T289] ? drop_nlink+0xc1/0x110
[ 22.113251][ T289] ? drop_nlink+0xc1/0x110
[ 22.117556][ T289] ? drop_nlink+0xc1/0x110
[ 22.121762][ T289] shmem_rmdir+0x59/0x90
[ 22.125835][ T289] vfs_rmdir+0x2b7/0x3f0
[ 22.129946][ T289] incfs_kill_sb+0x108/0x220
[ 22.134342][ T289] deactivate_locked_super+0xad/0x110
[ 22.139610][ T289] deactivate_super+0xbe/0xf0
[ 22.144061][ T289] cleanup_mnt+0x45c/0x510
[ 22.148333][ T289] __cleanup_mnt+0x19/0x20
[ 22.152563][ T289] task_work_run+0x129/0x190
[ 22.157014][ T289] ptrace_notify+0x29e/0x350
[ 22.161418][ T289] ? do_notify_parent+0xa10/0xa10
[ 22.166274][ T289] ? user_path_at_empty+0x40/0x50
[ 22.171164][ T289] ? __x64_sys_umount+0x122/0x170
[ 22.175999][ T289] ? path_umount+0xea0/0xea0
[ 22.180450][ T289] syscall_exit_to_user_mode+0xf5/0x1a0
[ 22.185804][ T289] do_syscall_64+0x40/0x70
[ 22.190089][ T289] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 22.195784][ T289] RIP: 0033:0x7f41b2929a07
[ 22.200070][ T289] 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
[ 22.219492][ T289] RSP: 002b:00007ffcc0e6ec78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 22.227740][ T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f41b2929a07
[ 22.235533][ T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0e6ed30
[ 22.243375][ T289] RBP: 00007ffcc0e6ed30 R08: 0000000000000000 R09: 0000000000000000
[ 22.251170][ T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcc0e6fe20
[ 22.259004][ T289] R13: 0000555563ca5700 R14: 00007ffcc0e70e90 R15: 0000000000000001
[ 22.266795][ T289] ---[ end trace f3e53a95cc55f790 ]---
[ 22.272104][ T289] ==================================================================
[ 22.279973][ T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[ 22.286044][ T289] Write of size 4 at addr 0000000000000170 by task syz-executor311/289
[ 22.294113][ T289]
[ 22.296290][ T289] CPU: 1 PID: 289 Comm: syz-executor311 Tainted: G W 5.10.226-syzkaller #0
[ 22.306002][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 22.315899][ T289] Call Trace:
[ 22.319031][ T289] dump_stack_lvl+0x1e2/0x24b
[ 22.323544][ T289] ? panic+0x812/0x812
[ 22.327444][ T289] ? bfq_pos_tree_add_move+0x43b/0x43b
[ 22.332738][ T289] ? _raw_spin_lock+0xa4/0x1b0
[ 22.337427][ T289] ? _raw_spin_trylock_bh+0x190/0x190
[ 22.342636][ T289] kasan_report+0x167/0x1c0
[ 22.346974][ T289] ? ihold+0x20/0x60
[ 22.350703][ T289] ? ihold+0x20/0x60
[ 22.354436][ T289] kasan_check_range+0x293/0x2a0
[ 22.359215][ T289] __kasan_check_write+0x14/0x20
[ 22.363982][ T289] ihold+0x20/0x60
[ 22.367543][ T289] vfs_rmdir+0x200/0x3f0
[ 22.371619][ T289] incfs_kill_sb+0x108/0x220
[ 22.376052][ T289] deactivate_locked_super+0xad/0x110
[ 22.381260][ T289] deactivate_super+0xbe/0xf0
[ 22.385768][ T289] cleanup_mnt+0x45c/0x510
[ 22.390021][ T289] __cleanup_mnt+0x19/0x20
[ 22.394277][ T289] task_work_run+0x129/0x190
[ 22.398701][ T289] ptrace_notify+0x29e/0x350
[ 22.403124][ T289] ? do_notify_parent+0xa10/0xa10
[ 22.407991][ T289] ? user_path_at_empty+0x40/0x50
[ 22.412848][ T289] ? __x64_sys_umount+0x122/0x170
[ 22.417709][ T289] ? path_umount+0xea0/0xea0
[ 22.422139][ T289] syscall_exit_to_user_mode+0xf5/0x1a0
[ 22.427515][ T289] do_syscall_64+0x40/0x70
[ 22.431769][ T289] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 22.437495][ T289] RIP: 0033:0x7f41b2929a07
[ 22.441748][ T289] 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
[ 22.461190][ T289] RSP: 002b:00007ffcc0e6ec78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 22.469433][ T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f41b2929a07
[ 22.477244][ T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0e6ed30
[ 22.485055][ T289] RBP: 00007ffcc0e6ed30 R08: 0000000000000000 R09: 0000000000000000
[ 22.492865][ T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcc0e6fe20
[ 22.500678][ T289] R13: 0000555563ca5700 R14: 00007ffcc0e70e90 R15: 0000000000000001
[ 22.508488][ T289] ==================================================================
[ 22.516384][ T289] Disabling lock debugging due to kernel taint
[ 22.522462][ T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[ 22.530018][ T289] #PF: supervisor write access in kernel mode
[ 22.535914][ T289] #PF: error_code(0x0002) - not-present page
[ 22.541730][ T289] PGD 0 P4D 0
[ 22.544940][ T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[ 22.549976][ T289] CPU: 1 PID: 289 Comm: syz-executor311 Tainted: G B W 5.10.226-syzkaller #0
[ 22.559695][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 22.569595][ T289] RIP: 0010:ihold+0x25/0x60
[ 22.573930][ T289] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 28 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 c4 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 2c b3
[ 22.593372][ T289] RSP: 0018:ffffc90000b07c28 EFLAGS: 00010246
[ 22.599275][ T289] RAX: ffff88810d318000 RBX: 0000000000000001 RCX: ffff88810d318000
[ 22.607082][ T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 22.614894][ T289] RBP: ffffc90000b07c38 R08: ffffffff813e2a7b R09: 0000000000000003
[ 22.622705][ T289] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[ 22.630519][ T289] R13: ffff88810cda1440 R14: 0000000000000000 R15: 0000000000000000
[ 22.638331][ T289] FS: 0000555563c9c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.647100][ T289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.653517][ T289] CR2: 0000000000000170 CR3: 000000010cba6000 CR4: 00000000003506a0
[ 22.661331][ T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.669318][ T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.677124][ T289] Call Trace:
[ 22.680260][ T289] ? __die_body+0x62/0xb0
[ 22.684418][ T289] ? __die+0x7e/0x90
[ 22.688152][ T289] ? no_context+0x9f9/0xd20
[ 22.692493][ T289] ? is_prefetch+0x5c0/0x5c0
[ 22.696917][ T289] ? preempt_schedule+0xd9/0xe0
[ 22.701604][ T289] ? __kasan_check_read+0x11/0x20
[ 22.706550][ T289] ? preempt_schedule_common+0xbe/0xf0
[ 22.711843][ T289] ? preempt_schedule+0xd9/0xe0
[ 22.716531][ T289] ? schedule_preempt_disabled+0x20/0x20
[ 22.722001][ T289] ? sysvec_apic_timer_interrupt+0xcb/0xe0
[ 22.727643][ T289] ? __bad_area_nosemaphore+0xc4/0x430
[ 22.732935][ T289] ? bad_area_nosemaphore+0x2d/0x40
[ 22.737971][ T289] ? exc_page_fault+0x3df/0x5b0
[ 22.742656][ T289] ? asm_exc_page_fault+0x1e/0x30
[ 22.747516][ T289] ? check_panic_on_warn+0x5b/0xb0
[ 22.752464][ T289] ? ihold+0x25/0x60
[ 22.756194][ T289] ? ihold+0x20/0x60
[ 22.759927][ T289] vfs_rmdir+0x200/0x3f0
[ 22.764014][ T289] incfs_kill_sb+0x108/0x220
[ 22.768452][ T289] deactivate_locked_super+0xad/0x110
[ 22.773652][ T289] deactivate_super+0xbe/0xf0
[ 22.778160][ T289] cleanup_mnt+0x45c/0x510
[ 22.782408][ T289] __cleanup_mnt+0x19/0x20
[ 22.786662][ T289] task_work_run+0x129/0x190
[ 22.791086][ T289] ptrace_notify+0x29e/0x350
[ 22.795514][ T289] ? do_notify_parent+0xa10/0xa10
[ 22.800373][ T289] ? user_path_at_empty+0x40/0x50
[ 22.805234][ T289] ? __x64_sys_umount+0x122/0x170
[ 22.810090][ T289] ? path_umount+0xea0/0xea0
[ 22.814519][ T289] syscall_exit_to_user_mode+0xf5/0x1a0
[ 22.819898][ T289] do_syscall_64+0x40/0x70
[ 22.824152][ T289] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 22.829880][ T289] RIP: 0033:0x7f41b2929a07
[ 22.834134][ T289] 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
[ 22.853572][ T289] RSP: 002b:00007ffcc0e6ec78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 22.861817][ T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f41b2929a07
[ 22.869627][ T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0e6ed30
[ 22.877438][ T289] RBP: 00007ffcc0e6ed30 R08: 0000000000000000 R09: 0000000000000000
[ 22.885260][ T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcc0e6fe20
[ 22.893064][ T289] R13: 0000555563ca5700 R14: 00007ffcc0e70e90 R15: 0000000000000001
[ 22.900881][ T289] Modules linked in:
[ 22.904624][ T289] CR2: 0000000000000170
[ 22.908610][ T289] ---[ end trace f3e53a95cc55f791 ]---
[ 22.913905][ T289] RIP: 0010:ihold+0x25/0x60
[ 22.918234][ T289] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 28 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 90 c4 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 2c b3
[ 22.937675][ T289] RSP: 0018:ffffc90000b07c28 EFLAGS: 00010246
[ 22.943573][ T289] RAX: ffff88810d318000 RBX: 0000000000000001 RCX: ffff88810d318000
[ 22.951383][ T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 22.959264][ T289] RBP: ffffc90000b07c38 R08: ffffffff813e2a7b R09: 0000000000000003
[ 22.967022][ T289] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[ 22.974821][ T289] R13: ffff88810cda1440 R14: 0000000000000000 R15: 0000000000000000
[ 22.982633][ T289] FS: 0000555563c9c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.991396][ T289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.997817][ T289] CR2: 0000000000000170 CR3: 000000010cba6000 CR4: 00000000003506a0
[ 23.005629][ T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 23.013438][ T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 23.021250][ T289] Kernel panic - not syncing: Fatal exception
[ 23.027329][ T289] Kernel Offset: disabled
[ 23.031446][ T289] Rebooting in 86400 seconds..