./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor169895616
<...>
[ 6.277563][ T28] audit: type=1400 audit(1739146077.691:56): avc: denied { read } for pid=153 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=419 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 6.284037][ T28] audit: type=1400 audit(1739146077.691:57): avc: denied { open } for pid=153 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=419 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 6.522900][ T28] audit: type=1400 audit(1739146077.941:58): avc: denied { use } for pid=182 comm="ssh-keygen" path="/dev/null" dev="devtmpfs" ino=4 scontext=system_u:system_r:ssh_keygen_t tcontext=system_u:system_r:kernel_t tclass=fd permissive=1
[ 6.607117][ T28] audit: type=1400 audit(1739146078.021:59): avc: denied { search } for pid=182 comm="ssh-keygen" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:ssh_keygen_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 6.644143][ T28] audit: type=1400 audit(1739146078.061:60): avc: denied { use } for pid=187 comm="sshd" path="/dev/null" dev="devtmpfs" ino=4 scontext=system_u:system_r:sshd_t tcontext=system_u:system_r:kernel_t tclass=fd permissive=1
[ 13.625389][ T28] audit: type=1400 audit(1739146085.041:61): avc: denied { transition } for pid=226 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
[ 13.631425][ T28] audit: type=1400 audit(1739146085.041:62): avc: denied { noatsecure } for pid=226 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 13.636736][ T28] audit: type=1400 audit(1739146085.041:63): avc: denied { write } for pid=226 comm="sh" path="pipe:[14959]" dev="pipefs" ino=14959 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 13.642511][ T28] audit: type=1400 audit(1739146085.041:64): avc: denied { rlimitinh } for pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 13.653175][ T28] audit: type=1400 audit(1739146085.041:65): avc: denied { siginh } for pid=226 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts.
execve("./syz-executor169895616", ["./syz-executor169895616"], 0x7ffeec73d9f0 /* 10 vars */) = 0
brk(NULL) = 0x55557f562000
brk(0x55557f562d00) = 0x55557f562d00
arch_prctl(ARCH_SET_FS, 0x55557f562380) = 0
set_tid_address(0x55557f562650) = 296
set_robust_list(0x55557f562660, 24) = 0
rseq(0x55557f562ca0, 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-executor169895616", 4096) = 27
getrandom("\xaa\xa3\x3d\xff\x79\x8c\x1e\xa5", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55557f562d00
brk(0x55557f583d00) = 0x55557f583d00
brk(0x55557f584000) = 0x55557f584000
mprotect(0x7fe0a4a56000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
mkdir("./syzkaller.R2wf7p", 0700) = 0
chmod("./syzkaller.R2wf7p", 0777) = 0
chdir("./syzkaller.R2wf7p") = 0
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f562650) = 297
./strace-static-x86_64: Process 297 attached
[pid 297] set_robust_list(0x55557f562660, 24) = 0
[pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 297] getppid() = 0
[pid 297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 297] unshare(CLONE_NEWNS) = 0
[pid 297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 297] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument)
[pid 297] unshare(CLONE_NEWCGROUP) = 0
[pid 297] unshare(CLONE_NEWUTS) = 0
[pid 297] unshare(CLONE_SYSVSEM) = 0
[pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 297] getpid() = 1
[pid 297] 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 297] 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 297] unshare(CLONE_NEWNET) = 0
[pid 297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 297] write(3, "0 65535", 7) = 7
[pid 297] close(3) = 0
[pid 297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid 297] write(3, "100000", 6) = 6
[pid 297] close(3) = 0
[pid 297] mkdir("./syz-tmp", 0777) = 0
[pid 297] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid 297] mkdir("./syz-tmp/newroot", 0777) = 0
[pid 297] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid 297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 297] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid 297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid 297] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid 297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 297] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid 297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 297] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 297] 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 297] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 297] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid 297] 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 297] mkdir("./syz-tmp/pivot", 0777) = 0
[pid 297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 297] chdir("/") = 0
[ 23.045546][ T28] audit: type=1400 audit(1739146094.461:66): avc: denied { execmem } for pid=296 comm="syz-executor169" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 23.067200][ T28] audit: type=1400 audit(1739146094.491:67): avc: denied { mounton } for pid=297 comm="syz-executor169" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid 297] umount2("./pivot", MNT_DETACH) = 0
[pid 297] chroot("./newroot") = 0
[pid 297] chdir("/") = 0
[pid 297] mkdir("/dev/gadgetfs", 0777) = 0
[pid 297] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid 297] mkdir("/dev/binderfs", 0777) = 0
[pid 297] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 297] mkdir("./0", 0777) = 0
[ 23.089116][ T28] audit: type=1400 audit(1739146094.511:68): avc: denied { mounton } for pid=297 comm="syz-executor169" path="/root/syzkaller.R2wf7p/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 23.113401][ T28] audit: type=1400 audit(1739146094.511:69): avc: denied { mount } for pid=297 comm="syz-executor169" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[ 23.116698][ T297] request_module fs-gadgetfs succeeded, but still no fs?
[pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557f562650) = 2
./strace-static-x86_64: Process 298 attached
[pid 298] set_robust_list(0x55557f562660, 24) = 0
[pid 298] chdir("./0") = 0
[pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 298] setpgid(0, 0) = 0
[pid 298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 298] write(3, "1000", 4) = 4
[pid 298] close(3) = 0
[pid 298] symlink("/dev/binderfs", "./binderfs") = 0
[pid 298] write(1, "executing program\n", 18executing program
) = 18
[pid 298] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid 298] mount(".", "./file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid 298] mount("./file0", "./file0", "incremental-fs", MS_RDONLY, NULL) = 0
[pid 298] close(3) = -1 EBADF (Bad file descriptor)
[pid 298] close(4) = -1 EBADF (Bad file descriptor)
[pid 298] close(5) = -1 EBADF (Bad file descriptor)
[pid 298] close(6) = -1 EBADF (Bad file descriptor)
[pid 298] close(7) = -1 EBADF (Bad file descriptor)
[pid 298] close(8) = -1 EBADF (Bad file descriptor)
[pid 298] close(9) = -1 EBADF (Bad file descriptor)
[pid 298] close(10) = -1 EBADF (Bad file descriptor)
[pid 298] close(11) = -1 EBADF (Bad file descriptor)
[pid 298] close(12) = -1 EBADF (Bad file descriptor)
[pid 298] close(13) = -1 EBADF (Bad file descriptor)
[pid 298] close(14) = -1 EBADF (Bad file descriptor)
[pid 298] close(15) = -1 EBADF (Bad file descriptor)
[pid 298] close(16) = -1 EBADF (Bad file descriptor)
[pid 298] close(17) = -1 EBADF (Bad file descriptor)
[pid 298] close(18) = -1 EBADF (Bad file descriptor)
[pid 298] close(19) = -1 EBADF (Bad file descriptor)
[pid 298] close(20) = -1 EBADF (Bad file descriptor)
[pid 298] close(21) = -1 EBADF (Bad file descriptor)
[pid 298] close(22) = -1 EBADF (Bad file descriptor)
[pid 298] close(23) = -1 EBADF (Bad file descriptor)
[pid 298] close(24) = -1 EBADF (Bad file descriptor)
[pid 298] close(25) = -1 EBADF (Bad file descriptor)
[pid 298] close(26) = -1 EBADF (Bad file descriptor)
[pid 298] close(27) = -1 EBADF (Bad file descriptor)
[pid 298] close(28) = -1 EBADF (Bad file descriptor)
[pid 298] close(29) = -1 EBADF (Bad file descriptor)
[pid 298] exit_group(0) = ?
[pid 298] +++ exited with 0 +++
[pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid 297] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid 297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(3, 0x55557f5636f0 /* 6 entries */, 32768) = 176
[pid 297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(4, 0x55557f56b730 /* 2 entries */, 32768) = 48
[pid 297] getdents64(4, 0x55557f56b730 /* 0 entries */, 32768) = 0
[pid 297] close(4) = 0
[pid 297] rmdir("./0/.incomplete") = 0
[pid 297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 297] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 297] getdents64(4, 0x55557f56b730 /* 2 entries */, 32768) = 48
[pid 297] getdents64(4, 0x55557f56b730 /* 0 entries */, 32768) = 0
[pid 297] close(4) = 0
[pid 297] rmdir("./0/.index") = 0
[ 23.135320][ T28] audit: type=1400 audit(1739146094.511:70): avc: denied { mounton } for pid=297 comm="syz-executor169" path="/root/syzkaller.R2wf7p/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
[ 23.155851][ T298] incfs: ino conflict with backing FS 9
[ 23.167350][ T28] audit: type=1400 audit(1739146094.511:71): avc: denied { mount } for pid=297 comm="syz-executor169" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 23.194349][ T28] audit: type=1400 audit(1739146094.511:72): avc: denied { mounton } for pid=297 comm="syz-executor169" path="/root/syzkaller.R2wf7p/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
[ 23.220976][ T28] audit: type=1400 audit(1739146094.511:73): avc: denied { mounton } for pid=297 comm="syz-executor169" path="/root/syzkaller.R2wf7p/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13852 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 23.221480][ T297] ------------[ cut here ]------------
[ 23.248353][ T28] audit: type=1400 audit(1739146094.511:74): avc: denied { unmount } for pid=297 comm="syz-executor169" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 23.253611][ T297] WARNING: CPU: 0 PID: 297 at fs/inode.c:332 drop_nlink+0xc1/0x110
[ 23.273321][ T28] audit: type=1400 audit(1739146094.541:75): avc: denied { mounton } for pid=297 comm="syz-executor169" path="/dev/gadgetfs" dev="devtmpfs" ino=522 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 23.280762][ T297] Modules linked in:
[ 23.307163][ T297] CPU: 0 PID: 297 Comm: syz-executor169 Not tainted 6.1.124-syzkaller-00004-g1ac09f5c0571 #0
[ 23.317155][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 23.327066][ T297] RIP: 0010:drop_nlink+0xc1/0x110
[ 23.331904][ T297] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 d7 d5 ef ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 7f 4d a8 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[ 23.351358][ T297] RSP: 0018:ffffc90000f27b30 EFLAGS: 00010293
[ 23.357225][ T297] RAX: ffffffff81cd4741 RBX: 0000000000000000 RCX: ffff888110dc0000
[ 23.365071][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 23.372881][ T297] RBP: ffffc90000f27b58 R08: ffffffff81cd46c4 R09: 0000000000000003
[ 23.380655][ T297] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
[ 23.388594][ T297] R13: 1ffff11021ee9be1 R14: ffff88810f74dec0 R15: ffff88810f74df08
[ 23.396412][ T297] FS: 000055557f562380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 23.405159][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.411577][ T297] CR2: 000055557f573738 CR3: 00000001235be000 CR4: 00000000003506b0
[ 23.419368][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 23.427210][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 23.435015][ T297] Call Trace:
[ 23.438308][ T297] <TASK>
[ 23.441106][ T297] ? show_regs+0x58/0x60
[ 23.445162][ T297] ? __warn+0x160/0x3d0
[ 23.449154][ T297] ? drop_nlink+0xc1/0x110
[ 23.453436][ T297] ? report_bug+0x4d5/0x7d0
[ 23.457748][ T297] ? drop_nlink+0xc1/0x110
[ 23.462023][ T297] ? handle_bug+0x41/0x70
[ 23.466166][ T297] ? exc_invalid_op+0x1b/0x50
[ 23.470678][ T297] ? asm_exc_invalid_op+0x1b/0x20
[ 23.475568][ T297] ? drop_nlink+0x44/0x110
[ 23.479792][ T297] ? drop_nlink+0xc1/0x110
[ 23.484092][ T297] ? drop_nlink+0xc1/0x110
[ 23.488397][ T297] shmem_rmdir+0x59/0x90
[ 23.492495][ T297] vfs_rmdir+0x398/0x500
[ 23.496556][ T297] incfs_kill_sb+0x113/0x230
[ 23.500971][ T297] deactivate_locked_super+0xad/0x110
[ 23.506221][ T297] deactivate_super+0xbe/0xf0
[ 23.510826][ T297] cleanup_mnt+0x485/0x510
[ 23.515127][ T297] __cleanup_mnt+0x19/0x20
[ 23.519326][ T297] task_work_run+0x24d/0x2e0
[ 23.523787][ T297] ? task_work_cancel+0x2e0/0x2e0
[ 23.528611][ T297] ptrace_notify+0x29e/0x350
[ 23.533068][ T297] ? do_notify_parent+0xa20/0xa20
[ 23.537895][ T297] ? user_path_at_empty+0x14e/0x1a0
[ 23.542981][ T297] ? __x64_sys_umount+0x122/0x170
[ 23.547795][ T297] ? path_umount+0xe70/0xe70
[ 23.552271][ T297] syscall_exit_to_user_mode+0x99/0x130
[ 23.557600][ T297] do_syscall_64+0x47/0xb0
[ 23.561893][ T297] ? clear_bhb_loop+0x55/0xb0
[ 23.566363][ T297] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 23.572272][ T297] RIP: 0033:0x7fe0a49e3a87
[ 23.576469][ T297] 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
[ 23.595961][ T297] RSP: 002b:00007ffec7c90fe8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 23.604191][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe0a49e3a87
[ 23.612013][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffec7c910a0
[ 23.619793][ T297] RBP: 00007ffec7c910a0 R08: 0000000000000000 R09: 0000000000000000
[ 23.627617][ T297] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffec7c92110
[ 23.635420][ T297] R13: 000055557f5636c0 R14: 00007ffec7c92110 R15: 0000000000000001
[ 23.643240][ T297] </TASK>
[ 23.646078][ T297] ---[ end trace 0000000000000000 ]---
[ 23.651487][ T297] ==================================================================
[ 23.659264][ T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[ 23.665340][ T297] Write of size 4 at addr 0000000000000170 by task syz-executor169/297
[ 23.673411][ T297]
[ 23.675584][ T297] CPU: 0 PID: 297 Comm: syz-executor169 Tainted: G W 6.1.124-syzkaller-00004-g1ac09f5c0571 #0
[ 23.687038][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 23.696934][ T297] Call Trace:
[ 23.700057][ T297] <TASK>
[ 23.702834][ T297] dump_stack_lvl+0x151/0x1b7
[ 23.707346][ T297] ? nf_tcp_handle_invalid+0x3f1/0x3f1
[ 23.712644][ T297] ? _printk+0xd1/0x111
[ 23.716635][ T297] print_report+0xe1/0x4e0
[ 23.720885][ T297] ? __virt_addr_valid+0x59/0x2f0
[ 23.725784][ T297] ? kasan_addr_to_slab+0xd/0x80
[ 23.730520][ T297] ? ihold+0x20/0x60
[ 23.734252][ T297] kasan_report+0x13c/0x170
[ 23.738593][ T297] ? ihold+0x20/0x60
[ 23.742328][ T297] kasan_check_range+0x294/0x2a0
[ 23.747097][ T297] __kasan_check_write+0x14/0x20
[ 23.751873][ T297] ihold+0x20/0x60
[ 23.755428][ T297] vfs_rmdir+0x268/0x500
[ 23.759510][ T297] incfs_kill_sb+0x113/0x230
[ 23.763935][ T297] deactivate_locked_super+0xad/0x110
[ 23.769144][ T297] deactivate_super+0xbe/0xf0
[ 23.773663][ T297] cleanup_mnt+0x485/0x510
[ 23.777913][ T297] __cleanup_mnt+0x19/0x20
[ 23.782163][ T297] task_work_run+0x24d/0x2e0
[ 23.786594][ T297] ? task_work_cancel+0x2e0/0x2e0
[ 23.791453][ T297] ptrace_notify+0x29e/0x350
[ 23.795877][ T297] ? do_notify_parent+0xa20/0xa20
[ 23.800734][ T297] ? user_path_at_empty+0x14e/0x1a0
[ 23.805772][ T297] ? __x64_sys_umount+0x122/0x170
[ 23.810633][ T297] ? path_umount+0xe70/0xe70
[ 23.815082][ T297] syscall_exit_to_user_mode+0x99/0x130
[ 23.820441][ T297] do_syscall_64+0x47/0xb0
[ 23.824781][ T297] ? clear_bhb_loop+0x55/0xb0
[ 23.829297][ T297] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 23.835028][ T297] RIP: 0033:0x7fe0a49e3a87
[ 23.839278][ T297] 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
[ 23.858716][ T297] RSP: 002b:00007ffec7c90fe8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 23.866965][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe0a49e3a87
[ 23.874771][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffec7c910a0
[ 23.882587][ T297] RBP: 00007ffec7c910a0 R08: 0000000000000000 R09: 0000000000000000
[ 23.890395][ T297] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffec7c92110
[ 23.898207][ T297] R13: 000055557f5636c0 R14: 00007ffec7c92110 R15: 0000000000000001
[ 23.906020][ T297] </TASK>
[ 23.908881][ T297] ==================================================================
[ 23.916970][ T297] Disabling lock debugging due to kernel taint
[ 23.922964][ T297] BUG: kernel NULL pointer dereference, address: 0000000000000170
[ 23.930569][ T297] #PF: supervisor write access in kernel mode
[ 23.936463][ T297] #PF: error_code(0x0002) - not-present page
[ 23.942286][ T297] PGD 0 P4D 0
[ 23.945521][ T297] Oops: 0002 [#1] PREEMPT SMP KASAN
[ 23.950526][ T297] CPU: 0 PID: 297 Comm: syz-executor169 Tainted: G B W 6.1.124-syzkaller-00004-g1ac09f5c0571 #0
[ 23.961983][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 23.971881][ T297] RIP: 0010:ihold+0x25/0x60
[ 23.976236][ T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 51 45 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 cd ef 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 d4 48 a8
[ 23.995664][ T297] RSP: 0018:ffffc90000f27b70 EFLAGS: 00010246
[ 24.001569][ T297] RAX: ffff888110dc0000 RBX: 0000000000000001 RCX: ffff888110dc0000
[ 24.009373][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 24.017182][ T297] RBP: ffffc90000f27b80 R08: ffffffff8144b2c3 R09: fffffbfff0f6e6fd
[ 24.024996][ T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11021ee9b63
[ 24.032806][ T297] R13: ffff8881238cfcc0 R14: 0000000000000000 R15: 1ffff11024719f9e
[ 24.040725][ T297] FS: 000055557f562380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 24.049482][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.055931][ T297] CR2: 0000000000000170 CR3: 00000001235be000 CR4: 00000000003506b0
[ 24.063725][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.071524][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.079340][ T297] Call Trace:
[ 24.082467][ T297] <TASK>
[ 24.085241][ T297] ? __die_body+0x62/0xb0
[ 24.089406][ T297] ? __die+0x7e/0x90
[ 24.093136][ T297] ? page_fault_oops+0x7f9/0xa90
[ 24.098343][ T297] ? vprintk_default+0x26/0x30
[ 24.102946][ T297] ? kernelmode_fixup_or_oops+0xd0/0xd0
[ 24.108354][ T297] ? add_taint+0x44/0xe0
[ 24.112406][ T297] ? panic+0x667/0x667
[ 24.116313][ T297] ? preempt_schedule_thunk+0x16/0x18
[ 24.121518][ T297] ? exc_page_fault+0x529/0x6d0
[ 24.126211][ T297] ? asm_exc_page_fault+0x27/0x30
[ 24.131066][ T297] ? add_taint+0x93/0xe0
[ 24.135147][ T297] ? ihold+0x25/0x60
[ 24.139056][ T297] vfs_rmdir+0x268/0x500
[ 24.143138][ T297] incfs_kill_sb+0x113/0x230
[ 24.147559][ T297] deactivate_locked_super+0xad/0x110
[ 24.152764][ T297] deactivate_super+0xbe/0xf0
[ 24.157367][ T297] cleanup_mnt+0x485/0x510
[ 24.161617][ T297] __cleanup_mnt+0x19/0x20
[ 24.165870][ T297] task_work_run+0x24d/0x2e0
[ 24.170296][ T297] ? task_work_cancel+0x2e0/0x2e0
[ 24.175162][ T297] ptrace_notify+0x29e/0x350
[ 24.179597][ T297] ? do_notify_parent+0xa20/0xa20
[ 24.184446][ T297] ? user_path_at_empty+0x14e/0x1a0
[ 24.189476][ T297] ? __x64_sys_umount+0x122/0x170
[ 24.194350][ T297] ? path_umount+0xe70/0xe70
[ 24.198854][ T297] syscall_exit_to_user_mode+0x99/0x130
[ 24.204236][ T297] do_syscall_64+0x47/0xb0
[ 24.208487][ T297] ? clear_bhb_loop+0x55/0xb0
[ 24.213010][ T297] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 24.218726][ T297] RIP: 0033:0x7fe0a49e3a87
[ 24.222979][ T297] 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
[ 24.242427][ T297] RSP: 002b:00007ffec7c90fe8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 24.250666][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe0a49e3a87
[ 24.258476][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffec7c910a0
[ 24.266288][ T297] RBP: 00007ffec7c910a0 R08: 0000000000000000 R09: 0000000000000000
[ 24.274101][ T297] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffec7c92110
[ 24.281909][ T297] R13: 000055557f5636c0 R14: 00007ffec7c92110 R15: 0000000000000001
[ 24.289727][ T297] </TASK>
[ 24.292586][ T297] Modules linked in:
[ 24.296341][ T297] CR2: 0000000000000170
[ 24.300314][ T297] ---[ end trace 0000000000000000 ]---
[ 24.305604][ T297] RIP: 0010:ihold+0x25/0x60
[ 24.309943][ T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 51 45 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 cd ef 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 d4 48 a8
[ 24.329384][ T297] RSP: 0018:ffffc90000f27b70 EFLAGS: 00010246
[ 24.335285][ T297] RAX: ffff888110dc0000 RBX: 0000000000000001 RCX: ffff888110dc0000
[ 24.343099][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 24.350910][ T297] RBP: ffffc90000f27b80 R08: ffffffff8144b2c3 R09: fffffbfff0f6e6fd
[ 24.358721][ T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11021ee9b63
[ 24.366532][ T297] R13: ffff8881238cfcc0 R14: 0000000000000000 R15: 1ffff11024719f9e
[ 24.374342][ T297] FS: 000055557f562380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[ 24.383111][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 24.389532][ T297] CR2: 0000000000000170 CR3: 00000001235be000 CR4: 00000000003506b0
[ 24.397350][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 24.405157][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 24.412966][ T297] Kernel panic - not syncing: Fatal exception
[ 24.419142][ T297] Kernel Offset: disabled
[ 24.423272][ T297] Rebooting in 86400 seconds..