./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor298190400
<...>
Warning: Permanently added '10.128.1.188' (ED25519) to the list of known hosts.
execve("./syz-executor298190400", ["./syz-executor298190400"], 0x7ffca7d06850 /* 10 vars */) = 0
brk(NULL) = 0x55556e8a2000
brk(0x55556e8a2e00) = 0x55556e8a2e00
arch_prctl(ARCH_SET_FS, 0x55556e8a2480) = 0
set_tid_address(0x55556e8a2750) = 288
set_robust_list(0x55556e8a2760, 24) = 0
rseq(0x55556e8a2da0, 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-executor298190400", 4096) = 27
getrandom("\xf5\xfd\xc1\x1f\xd2\xc6\x4a\x17", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556e8a2e00
brk(0x55556e8c3e00) = 0x55556e8c3e00
brk(0x55556e8c4000) = 0x55556e8c4000
mprotect(0x7fa55fb93000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7fa55fae9da0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa55faf1a30}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fa55fae9da0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa55faf1a30}, NULL, 8) = 0
getrandom("\x9c\x41\x9d\x3a\x32\xd4\x9d\x45", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.eC67Ep", 0700) = 0
chmod("./syzkaller.eC67Ep", 0777) = 0
chdir("./syzkaller.eC67Ep") = 0
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556e8a2750) = 289
./strace-static-x86_64: Process 289 attached
[pid 289] set_robust_list(0x55556e8a2760, 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
[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
[pid 289] umount2("./pivot", MNT_DETACH) = 0
[pid 289] chroot("./newroot") = 0
[pid 289] chdir("/") = 0
[ 21.294766][ T24] audit: type=1400 audit(1735273420.330:66): avc: denied { execmem } for pid=288 comm="syz-executor298" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.304587][ T24] audit: type=1400 audit(1735273420.340:67): avc: denied { mounton } for pid=289 comm="syz-executor298" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid 289] mkdir("/dev/gadgetfs", 0777) = 0
[pid 289] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[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] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
[pid 289] close(3) = 0
[pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556e8a2750) = 2
./strace-static-x86_64: Process 291 attached
[pid 291] set_robust_list(0x55556e8a2760, 24) = 0
[pid 291] chdir("./0") = 0
[pid 291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 291] setpgid(0, 0) = 0
[pid 291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 291] write(3, "1000", 4) = 4
[pid 291] close(3) = 0
[pid 291] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 291] write(1, "executing program\n", 18) = 18
[pid 291] mkdir("./file0", 0777) = 0
[pid 291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid 291] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[ 21.325036][ T24] audit: type=1400 audit(1735273420.360:68): avc: denied { mounton } for pid=289 comm="syz-executor298" path="/root/syzkaller.eC67Ep/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 21.349650][ T24] audit: type=1400 audit(1735273420.360:69): avc: denied { mount } for pid=289 comm="syz-executor298" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[ 21.351409][ T289] request_module fs-gadgetfs succeeded, but still no fs?
[pid 291] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid 291] close(3) = -1 EBADF (Bad file descriptor)
[pid 291] close(4) = -1 EBADF (Bad file descriptor)
[pid 291] close(5) = -1 EBADF (Bad file descriptor)
[pid 291] close(6) = -1 EBADF (Bad file descriptor)
[pid 291] close(7) = -1 EBADF (Bad file descriptor)
[pid 291] close(8) = -1 EBADF (Bad file descriptor)
[pid 291] close(9) = -1 EBADF (Bad file descriptor)
[pid 291] close(10) = -1 EBADF (Bad file descriptor)
[pid 291] close(11) = -1 EBADF (Bad file descriptor)
[pid 291] close(12) = -1 EBADF (Bad file descriptor)
[pid 291] close(13) = -1 EBADF (Bad file descriptor)
[pid 291] close(14) = -1 EBADF (Bad file descriptor)
[pid 291] close(15) = -1 EBADF (Bad file descriptor)
[pid 291] close(16) = -1 EBADF (Bad file descriptor)
[pid 291] close(17) = -1 EBADF (Bad file descriptor)
[pid 291] close(18) = -1 EBADF (Bad file descriptor)
[pid 291] close(19) = -1 EBADF (Bad file descriptor)
[pid 291] close(20) = -1 EBADF (Bad file descriptor)
[pid 291] close(21) = -1 EBADF (Bad file descriptor)
[pid 291] close(22) = -1 EBADF (Bad file descriptor)
[pid 291] close(23) = -1 EBADF (Bad file descriptor)
[pid 291] close(24) = -1 EBADF (Bad file descriptor)
[pid 291] close(25) = -1 EBADF (Bad file descriptor)
[pid 291] close(26) = -1 EBADF (Bad file descriptor)
[pid 291] close(27) = -1 EBADF (Bad file descriptor)
[pid 291] close(28) = -1 EBADF (Bad file descriptor)
[pid 291] close(29) = -1 EBADF (Bad file descriptor)
[pid 291] exit_group(0) = ?
[pid 291] +++ 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=1} ---
[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=120, ...}, AT_EMPTY_PATH) = 0
[pid 289] getdents64(3, 0x55556e8a37f0 /* 6 entries */, 32768) = 176
[pid 289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 289] getdents64(4, 0x55556e8ab830 /* 2 entries */, 32768) = 48
[pid 289] getdents64(4, 0x55556e8ab830 /* 0 entries */, 32768) = 0
[pid 289] close(4) = 0
[pid 289] rmdir("./0/.incomplete") = 0
[pid 289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid 289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid 289] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid 289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid 289] getdents64(4, 0x55556e8ab830 /* 2 entries */, 32768) = 48
[pid 289] getdents64(4, 0x55556e8ab830 /* 0 entries */, 32768) = 0
[pid 289] close(4) = 0
[pid 289] rmdir("./0/.index") = 0
[ 21.371770][ T24] audit: type=1400 audit(1735273420.370:70): avc: denied { mounton } for pid=289 comm="syz-executor298" path="/root/syzkaller.eC67Ep/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
[ 21.391060][ T291] incfs: ino conflict with backing FS 8
[ 21.407688][ T24] audit: type=1400 audit(1735273420.370:71): avc: denied { mount } for pid=289 comm="syz-executor298" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 21.431154][ T289] ------------[ cut here ]------------
[ 21.431239][ T24] audit: type=1400 audit(1735273420.370:72): avc: denied { mounton } for pid=289 comm="syz-executor298" path="/root/syzkaller.eC67Ep/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
[ 21.436465][ T289] WARNING: CPU: 0 PID: 289 at fs/inode.c:304 drop_nlink+0xc1/0x110
[ 21.462975][ T24] audit: type=1400 audit(1735273420.370:73): avc: denied { mounton } for pid=289 comm="syz-executor298" path="/root/syzkaller.eC67Ep/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13827 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 21.470961][ T289] Modules linked in:
[ 21.498202][ T24] audit: type=1400 audit(1735273420.370:74): avc: denied { unmount } for pid=289 comm="syz-executor298" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 21.501753][ T289] CPU: 0 PID: 289 Comm: syz-executor298 Not tainted 5.10.231-syzkaller-00700-g4055d754db6f #0
[ 21.521743][ T24] audit: type=1400 audit(1735273420.390:75): avc: denied { mounton } for pid=289 comm="syz-executor298" path="/dev/gadgetfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 21.531394][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 21.563970][ T289] RIP: 0010:drop_nlink+0xc1/0x110
[ 21.568756][ T289] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 77 cb f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 df 2d b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[ 21.588177][ T289] RSP: 0018:ffffc90000b27be8 EFLAGS: 00010293
[ 21.594033][ T289] RAX: ffffffff81b790a1 RBX: 0000000000000000 RCX: ffff88810c0dbb40
[ 21.601874][ T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 21.609670][ T289] RBP: ffffc90000b27c10 R08: ffffffff81b79024 R09: 0000000000000003
[ 21.617468][ T289] R10: fffff52000164f6c R11: dffffc0000000001 R12: dffffc0000000000
[ 21.625307][ T289] R13: 1ffff11021abca59 R14: ffff88810d5e5280 R15: ffff88810d5e52c8
[ 21.633109][ T289] FS: 000055556e8a2480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 21.641894][ T289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 21.648303][ T289] CR2: 00005603f7f580c0 CR3: 000000010c272000 CR4: 00000000003506a0
[ 21.656087][ T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 21.663932][ T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 21.671850][ T289] Call Trace:
[ 21.674951][ T289] ? show_regs+0x58/0x60
[ 21.679055][ T289] ? __warn+0x160/0x2f0
[ 21.683029][ T289] ? drop_nlink+0xc1/0x110
[ 21.687274][ T289] ? report_bug+0x3d9/0x5b0
[ 21.691643][ T289] ? drop_nlink+0xc1/0x110
[ 21.695878][ T289] ? handle_bug+0x41/0x70
[ 21.700063][ T289] ? exc_invalid_op+0x1b/0x50
[ 21.704548][ T289] ? asm_exc_invalid_op+0x12/0x20
[ 21.709444][ T289] ? drop_nlink+0x44/0x110
[ 21.713658][ T289] ? drop_nlink+0xc1/0x110
[ 21.717938][ T289] ? drop_nlink+0xc1/0x110
[ 21.722164][ T289] ? drop_nlink+0xc1/0x110
[ 21.726414][ T289] shmem_rmdir+0x59/0x90
[ 21.730524][ T289] vfs_rmdir+0x2b7/0x3f0
[ 21.734576][ T289] incfs_kill_sb+0x108/0x220
[ 21.739033][ T289] deactivate_locked_super+0xad/0x110
[ 21.744234][ T289] deactivate_super+0xbe/0xf0
[ 21.748795][ T289] cleanup_mnt+0x45c/0x510
[ 21.752982][ T289] __cleanup_mnt+0x19/0x20
[ 21.757226][ T289] task_work_run+0x129/0x190
[ 21.761715][ T289] ptrace_notify+0x29e/0x350
[ 21.766184][ T289] ? do_notify_parent+0xa10/0xa10
[ 21.771015][ T289] ? user_path_at_empty+0x40/0x50
[ 21.775824][ T289] ? __x64_sys_umount+0x122/0x170
[ 21.781155][ T289] ? path_umount+0xea0/0xea0
[ 21.785531][ T289] syscall_exit_to_user_mode+0xf5/0x1a0
[ 21.790943][ T289] do_syscall_64+0x40/0x70
[ 21.795158][ T289] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 21.800915][ T289] RIP: 0033:0x7fa55fb20147
[ 21.805137][ 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
[ 21.824613][ T289] RSP: 002b:00007fffefcd7218 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 21.832849][ T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa55fb20147
[ 21.840654][ T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffefcd72d0
[ 21.848459][ T289] RBP: 00007fffefcd72d0 R08: 0000000000000000 R09: 0000000000000000
[ 21.856255][ T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffefcd8340
[ 21.864356][ T289] R13: 000055556e8a37c0 R14: 431bde82d7b634db R15: 00007fffefcd8360
[ 21.872162][ T289] ---[ end trace 94933bb5b43a4513 ]---
[ 21.877465][ T289] ==================================================================
[ 21.885333][ T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[ 21.891406][ T289] Write of size 4 at addr 0000000000000170 by task syz-executor298/289
[ 21.899471][ T289]
[ 21.901657][ T289] CPU: 1 PID: 289 Comm: syz-executor298 Tainted: G W 5.10.231-syzkaller-00700-g4055d754db6f #0
[ 21.913110][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 21.922996][ T289] Call Trace:
[ 21.926125][ T289] dump_stack_lvl+0x1e2/0x24b
[ 21.930636][ T289] ? panic+0x812/0x812
[ 21.934540][ T289] ? bfq_pos_tree_add_move+0x43b/0x43b
[ 21.939832][ T289] ? _raw_spin_lock+0xa4/0x1b0
[ 21.944433][ T289] ? _raw_spin_trylock_bh+0x190/0x190
[ 21.949639][ T289] kasan_report+0x167/0x1c0
[ 21.953982][ T289] ? ihold+0x20/0x60
[ 21.957709][ T289] ? ihold+0x20/0x60
[ 21.961444][ T289] kasan_check_range+0x293/0x2a0
[ 21.966218][ T289] __kasan_check_write+0x14/0x20
[ 21.970990][ T289] ihold+0x20/0x60
[ 21.974548][ T289] vfs_rmdir+0x200/0x3f0
[ 21.978631][ T289] incfs_kill_sb+0x108/0x220
[ 21.983055][ T289] deactivate_locked_super+0xad/0x110
[ 21.988262][ T289] deactivate_super+0xbe/0xf0
[ 21.992772][ T289] cleanup_mnt+0x45c/0x510
[ 21.997027][ T289] __cleanup_mnt+0x19/0x20
[ 22.001279][ T289] task_work_run+0x129/0x190
[ 22.005704][ T289] ptrace_notify+0x29e/0x350
[ 22.010131][ T289] ? do_notify_parent+0xa10/0xa10
[ 22.014996][ T289] ? user_path_at_empty+0x40/0x50
[ 22.019852][ T289] ? __x64_sys_umount+0x122/0x170
[ 22.024713][ T289] ? path_umount+0xea0/0xea0
[ 22.029141][ T289] syscall_exit_to_user_mode+0xf5/0x1a0
[ 22.034522][ T289] do_syscall_64+0x40/0x70
[ 22.038774][ T289] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 22.044501][ T289] RIP: 0033:0x7fa55fb20147
[ 22.048756][ 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
[ 22.068197][ T289] RSP: 002b:00007fffefcd7218 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 22.076440][ T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa55fb20147
[ 22.084252][ T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffefcd72d0
[ 22.092059][ T289] RBP: 00007fffefcd72d0 R08: 0000000000000000 R09: 0000000000000000
[ 22.099871][ T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffefcd8340
[ 22.107682][ T289] R13: 000055556e8a37c0 R14: 431bde82d7b634db R15: 00007fffefcd8360
[ 22.115495][ T289] ==================================================================
[ 22.123389][ T289] Disabling lock debugging due to kernel taint
[ 22.129590][ T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[ 22.137194][ T289] #PF: supervisor write access in kernel mode
[ 22.143086][ T289] #PF: error_code(0x0002) - not-present page
[ 22.148905][ T289] PGD 0 P4D 0
[ 22.152115][ T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[ 22.157147][ T289] CPU: 1 PID: 289 Comm: syz-executor298 Tainted: G B W 5.10.231-syzkaller-00700-g4055d754db6f #0
[ 22.168599][ T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 22.178505][ T289] RIP: 0010:ihold+0x25/0x60
[ 22.182856][ T289] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 f1 25 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 60 c3 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 74 29 b3
[ 22.202283][ T289] RSP: 0018:ffffc90000b27c28 EFLAGS: 00010246
[ 22.208179][ T289] RAX: ffff88810c0dbb00 RBX: 0000000000000001 RCX: ffff88810c0dbb40
[ 22.216002][ T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 22.223800][ T289] RBP: ffffc90000b27c38 R08: ffffffff813e2b7b R09: 0000000000000003
[ 22.231614][ T289] R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
[ 22.239422][ T289] R13: ffff888121097660 R14: 0000000000000000 R15: 0000000000000000
[ 22.247234][ T289] FS: 000055556e8a2480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.256000][ T289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.262422][ T289] CR2: 0000000000000170 CR3: 000000010c272000 CR4: 00000000003506a0
[ 22.270236][ T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.278048][ T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.285855][ T289] Call Trace:
[ 22.288993][ T289] ? __die_body+0x62/0xb0
[ 22.293159][ T289] ? __die+0x7e/0x90
[ 22.296908][ T289] ? no_context+0x9f9/0xd20
[ 22.301222][ T289] ? is_prefetch+0x5c0/0x5c0
[ 22.305649][ T289] ? preempt_schedule+0xd9/0xe0
[ 22.310648][ T289] ? __kasan_check_read+0x11/0x20
[ 22.315493][ T289] ? preempt_schedule_common+0xbe/0xf0
[ 22.320800][ T289] ? preempt_schedule+0xd9/0xe0
[ 22.325466][ T289] ? schedule_preempt_disabled+0x20/0x20
[ 22.330938][ T289] ? sysvec_apic_timer_interrupt+0xcb/0xe0
[ 22.336584][ T289] ? __bad_area_nosemaphore+0xc4/0x430
[ 22.341964][ T289] ? bad_area_nosemaphore+0x2d/0x40
[ 22.346991][ T289] ? exc_page_fault+0x3df/0x5b0
[ 22.351676][ T289] ? asm_exc_page_fault+0x1e/0x30
[ 22.356536][ T289] ? check_panic_on_warn+0x5b/0xb0
[ 22.361486][ T289] ? ihold+0x25/0x60
[ 22.365215][ T289] ? ihold+0x20/0x60
[ 22.368949][ T289] vfs_rmdir+0x200/0x3f0
[ 22.373044][ T289] incfs_kill_sb+0x108/0x220
[ 22.377466][ T289] deactivate_locked_super+0xad/0x110
[ 22.382665][ T289] deactivate_super+0xbe/0xf0
[ 22.387176][ T289] cleanup_mnt+0x45c/0x510
[ 22.391427][ T289] __cleanup_mnt+0x19/0x20
[ 22.395681][ T289] task_work_run+0x129/0x190
[ 22.400108][ T289] ptrace_notify+0x29e/0x350
[ 22.404530][ T289] ? do_notify_parent+0xa10/0xa10
[ 22.409390][ T289] ? user_path_at_empty+0x40/0x50
[ 22.414252][ T289] ? __x64_sys_umount+0x122/0x170
[ 22.419111][ T289] ? path_umount+0xea0/0xea0
[ 22.423540][ T289] syscall_exit_to_user_mode+0xf5/0x1a0
[ 22.428920][ T289] do_syscall_64+0x40/0x70
[ 22.433172][ T289] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 22.438898][ T289] RIP: 0033:0x7fa55fb20147
[ 22.443153][ 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
[ 22.462593][ T289] RSP: 002b:00007fffefcd7218 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 22.470837][ T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa55fb20147
[ 22.478647][ T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffefcd72d0
[ 22.486458][ T289] RBP: 00007fffefcd72d0 R08: 0000000000000000 R09: 0000000000000000
[ 22.494272][ T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffefcd8340
[ 22.502121][ T289] R13: 000055556e8a37c0 R14: 431bde82d7b634db R15: 00007fffefcd8360
[ 22.509892][ T289] Modules linked in:
[ 22.513636][ T289] CR2: 0000000000000170
[ 22.517625][ T289] ---[ end trace 94933bb5b43a4514 ]---
[ 22.522931][ T289] RIP: 0010:ihold+0x25/0x60
[ 22.527251][ T289] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 f1 25 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 60 c3 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 74 29 b3
[ 22.546695][ T289] RSP: 0018:ffffc90000b27c28 EFLAGS: 00010246
[ 22.552596][ T289] RAX: ffff88810c0dbb00 RBX: 0000000000000001 RCX: ffff88810c0dbb40
[ 22.560410][ T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 22.568217][ T289] RBP: ffffc90000b27c38 R08: ffffffff813e2b7b R09: 0000000000000003
[ 22.576027][ T289] R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
[ 22.583847][ T289] R13: ffff888121097660 R14: 0000000000000000 R15: 0000000000000000
[ 22.591655][ T289] FS: 000055556e8a2480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 22.600417][ T289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.606839][ T289] CR2: 0000000000000170 CR3: 000000010c272000 CR4: 00000000003506a0
[ 22.614650][ T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.622459][ T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.630272][ T289] Kernel panic - not syncing: Fatal exception
[ 22.636385][ T289] Kernel Offset: disabled
[ 22.640505][ T289] Rebooting in 86400 seconds..