./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4095211619
<...>
[ 3.791051][ T24] audit: type=1400 audit(1730663290.650:9): avc: denied { append open } for pid=77 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
[ 3.794751][ T24] audit: type=1400 audit(1730663290.650:10): avc: denied { getattr } for pid=77 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
[ 4.172350][ T94] udevd[94]: starting version 3.2.11
[ 4.205496][ T95] udevd[95]: starting eudev-3.2.11
[ 21.169467][ T24] kauditd_printk_skb: 50 callbacks suppressed
[ 21.169477][ T24] audit: type=1400 audit(1730663308.040:61): avc: denied { transition } for pid=269 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
[ 21.175125][ T24] audit: type=1400 audit(1730663308.040:62): avc: denied { noatsecure } for pid=269 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.178168][ T24] audit: type=1400 audit(1730663308.040:63): avc: denied { write } for pid=269 comm="sh" path="pipe:[14494]" dev="pipefs" ino=14494 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 21.182653][ T24] audit: type=1400 audit(1730663308.040:64): avc: denied { rlimitinh } for pid=269 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 21.185562][ T24] audit: type=1400 audit(1730663308.040:65): avc: denied { siginh } for pid=269 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.3' (ED25519) to the list of known hosts.
execve("./syz-executor4095211619", ["./syz-executor4095211619"], 0x7ffdc1ca4010 /* 10 vars */) = 0
brk(NULL) = 0x555555def000
brk(0x555555defd00) = 0x555555defd00
arch_prctl(ARCH_SET_FS, 0x555555def380) = 0
set_tid_address(0x555555def650) = 296
set_robust_list(0x555555def660, 24) = 0
rseq(0x555555defca0, 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-executor4095211619", 4096) = 28
getrandom("\xf2\x29\x99\x10\xe9\xdc\x18\x21", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555defd00
brk(0x555555e10d00) = 0x555555e10d00
brk(0x555555e11000) = 0x555555e11000
mprotect(0x7f2477600000, 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.n7DBMA", 0700) = 0
chmod("./syzkaller.n7DBMA", 0777) = 0
chdir("./syzkaller.n7DBMA") = 0
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555def650) = 297
./strace-static-x86_64: Process 297 attached
[pid 297] set_robust_list(0x555555def660, 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
[ 30.088609][ T24] audit: type=1400 audit(1730663316.960:66): avc: denied { execmem } for pid=296 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 30.113102][ T24] audit: type=1400 audit(1730663316.980:67): avc: denied { mounton } for pid=297 comm="syz-executor409" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[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/pivot", 0777) = 0
[pid 297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 297] chdir("/") = 0
[pid 297] umount2("./pivot", MNT_DETACH) = 0
[pid 297] chroot("./newroot") = 0
[pid 297] chdir("/") = 0
[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
[pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555def650) = 2
./strace-static-x86_64: Process 298 attached
[pid 298] set_robust_list(0x555555def660, 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] mkdir("./file0", 000) = 0
[pid 298] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid 298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid 298] close(3) = -1 EBADF (Bad file descriptor)
[pid 298] close(4) = -1 EBADF (Bad file descriptor)
[ 30.138603][ T24] audit: type=1400 audit(1730663317.000:68): avc: denied { mounton } for pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 30.162893][ T24] audit: type=1400 audit(1730663317.010:69): avc: denied { mount } for pid=297 comm="syz-executor409" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[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, 0x555555df06f0 /* 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, 0x555555df8730 /* 2 entries */, 32768) = 48
[pid 297] getdents64(4, 0x555555df8730 /* 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, 0x555555df8730 /* 2 entries */, 32768) = 48
[pid 297] getdents64(4, 0x555555df8730 /* 0 entries */, 32768) = 0
[pid 297] close(4) = 0
[pid 297] rmdir("./0/.index") = 0
[ 30.174841][ T298] incfs: ino conflict with backing FS 8
[ 30.184951][ T24] audit: type=1400 audit(1730663317.020:70): avc: denied { mounton } for pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/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
[ 30.215356][ T24] audit: type=1400 audit(1730663317.020:71): avc: denied { mount } for pid=297 comm="syz-executor409" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 30.215522][ T297] ------------[ cut here ]------------
[ 30.237022][ T24] audit: type=1400 audit(1730663317.020:72): avc: denied { mounton } for pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/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
[ 30.242742][ T297] WARNING: CPU: 0 PID: 297 at fs/inode.c:304 drop_nlink+0xc1/0x110
[ 30.268895][ T24] audit: type=1400 audit(1730663317.020:73): avc: denied { mounton } for pid=297 comm="syz-executor409" path="/root/syzkaller.n7DBMA/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13694 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 30.276693][ T297] Modules linked in:
[ 30.303924][ T24] audit: type=1400 audit(1730663317.030:74): avc: denied { unmount } for pid=297 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[ 30.303958][ T24] audit: type=1400 audit(1730663317.030:75): avc: denied { mounton } for pid=297 comm="syz-executor409" path="/dev/binderfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 30.350330][ T297]
[ 30.352398][ T297] CPU: 0 PID: 297 Comm: syz-executor409 Not tainted 5.10.226-syzkaller #0
[ 30.360793][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 30.370772][ T297] RIP: 0010:drop_nlink+0xc1/0x110
[ 30.375600][ T297] 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
[ 30.395164][ T297] RSP: 0018:ffffc90000b47be8 EFLAGS: 00010293
[ 30.401255][ T297] RAX: ffffffff81b77c41 RBX: 0000000000000000 RCX: ffff88810cbe62c0
[ 30.409155][ T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 30.416916][ T297] RBP: ffffc90000b47c10 R08: ffffffff81b77bc4 R09: 0000000000000003
[ 30.424808][ T297] R10: fffff52000168f6c R11: dffffc0000000001 R12: dffffc0000000000
[ 30.432555][ T297] R13: 1ffff11021ad3bb5 R14: ffff88810d69dd60 R15: ffff88810d69dda8
[ 30.440378][ T297] FS: 0000555555def380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[ 30.449140][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.455526][ T297] CR2: 0000558ed8626338 CR3: 000000011c323000 CR4: 00000000003506b0
[ 30.463376][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 30.471169][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 30.478999][ T297] Call Trace:
[ 30.482096][ T297] ? show_regs+0x58/0x60
[ 30.486168][ T297] ? __warn+0x160/0x2f0
[ 30.490199][ T297] ? drop_nlink+0xc1/0x110
[ 30.494420][ T297] ? report_bug+0x3d9/0x5b0
[ 30.498789][ T297] ? drop_nlink+0xc1/0x110
[ 30.503009][ T297] ? handle_bug+0x41/0x70
[ 30.507168][ T297] ? exc_invalid_op+0x1b/0x50
[ 30.511723][ T297] ? asm_exc_invalid_op+0x12/0x20
[ 30.516549][ T297] ? drop_nlink+0x44/0x110
[ 30.520839][ T297] ? drop_nlink+0xc1/0x110
[ 30.525164][ T297] ? drop_nlink+0xc1/0x110
[ 30.529448][ T297] ? drop_nlink+0xc1/0x110
[ 30.533671][ T297] shmem_rmdir+0x59/0x90
[ 30.537764][ T297] vfs_rmdir+0x2b7/0x3f0
[ 30.541869][ T297] incfs_kill_sb+0x108/0x220
[ 30.546259][ T297] deactivate_locked_super+0xad/0x110
[ 30.551494][ T297] deactivate_super+0xbe/0xf0
[ 30.555976][ T297] cleanup_mnt+0x45c/0x510
[ 30.560294][ T297] __cleanup_mnt+0x19/0x20
[ 30.564505][ T297] task_work_run+0x129/0x190
[ 30.568960][ T297] ptrace_notify+0x29e/0x350
[ 30.573422][ T297] ? do_notify_parent+0xa10/0xa10
[ 30.578272][ T297] ? user_path_at_empty+0x40/0x50
[ 30.583263][ T297] ? __x64_sys_umount+0x122/0x170
[ 30.588086][ T297] ? path_umount+0xea0/0xea0
[ 30.592576][ T297] syscall_exit_to_user_mode+0xf5/0x1a0
[ 30.597899][ T297] do_syscall_64+0x40/0x70
[ 30.602209][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 30.607873][ T297] RIP: 0033:0x7f247758da07
[ 30.612171][ 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
[ 30.631706][ T297] RSP: 002b:00007ffca8669898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 30.639928][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f247758da07
[ 30.647712][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca8669950
[ 30.655558][ T297] RBP: 00007ffca8669950 R08: 0000000000000000 R09: 0000000000000000
[ 30.663383][ T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca866a9c0
[ 30.671210][ T297] R13: 0000555555df06c0 R14: 00007ffca866a9c0 R15: 0000000000000001
[ 30.678974][ T297] ---[ end trace 467a6b35aba90453 ]---
[ 30.684287][ T297] ==================================================================
[ 30.692150][ T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[ 30.698222][ T297] Write of size 4 at addr 0000000000000170 by task syz-executor409/297
[ 30.706287][ T297]
[ 30.708463][ T297] CPU: 0 PID: 297 Comm: syz-executor409 Tainted: G W 5.10.226-syzkaller #0
[ 30.718185][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 30.728077][ T297] Call Trace:
[ 30.731205][ T297] dump_stack_lvl+0x1e2/0x24b
[ 30.735716][ T297] ? panic+0x812/0x812
[ 30.739618][ T297] ? bfq_pos_tree_add_move+0x43b/0x43b
[ 30.744916][ T297] ? _raw_spin_lock+0xa4/0x1b0
[ 30.749522][ T297] ? _raw_spin_trylock_bh+0x190/0x190
[ 30.754812][ T297] kasan_report+0x167/0x1c0
[ 30.759149][ T297] ? ihold+0x20/0x60
[ 30.762899][ T297] ? ihold+0x20/0x60
[ 30.766793][ T297] kasan_check_range+0x293/0x2a0
[ 30.771569][ T297] __kasan_check_write+0x14/0x20
[ 30.776331][ T297] ihold+0x20/0x60
[ 30.779905][ T297] vfs_rmdir+0x200/0x3f0
[ 30.784100][ T297] incfs_kill_sb+0x108/0x220
[ 30.788631][ T297] deactivate_locked_super+0xad/0x110
[ 30.793810][ T297] deactivate_super+0xbe/0xf0
[ 30.798313][ T297] cleanup_mnt+0x45c/0x510
[ 30.802575][ T297] __cleanup_mnt+0x19/0x20
[ 30.806816][ T297] task_work_run+0x129/0x190
[ 30.811247][ T297] ptrace_notify+0x29e/0x350
[ 30.815764][ T297] ? do_notify_parent+0xa10/0xa10
[ 30.820619][ T297] ? user_path_at_empty+0x40/0x50
[ 30.825478][ T297] ? __x64_sys_umount+0x122/0x170
[ 30.830335][ T297] ? path_umount+0xea0/0xea0
[ 30.834764][ T297] syscall_exit_to_user_mode+0xf5/0x1a0
[ 30.840149][ T297] do_syscall_64+0x40/0x70
[ 30.844402][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 30.850132][ T297] RIP: 0033:0x7f247758da07
[ 30.854379][ 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
[ 30.873823][ T297] RSP: 002b:00007ffca8669898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 30.882069][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f247758da07
[ 30.889879][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca8669950
[ 30.897700][ T297] RBP: 00007ffca8669950 R08: 0000000000000000 R09: 0000000000000000
[ 30.905502][ T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca866a9c0
[ 30.913312][ T297] R13: 0000555555df06c0 R14: 00007ffca866a9c0 R15: 0000000000000001
[ 30.921126][ T297] ==================================================================
[ 30.929021][ T297] Disabling lock debugging due to kernel taint
[ 30.935134][ T297] BUG: kernel NULL pointer dereference, address: 0000000000000170
[ 30.942647][ T297] #PF: supervisor write access in kernel mode
[ 30.948545][ T297] #PF: error_code(0x0002) - not-present page
[ 30.954365][ T297] PGD 0 P4D 0
[ 30.957574][ T297] Oops: 0002 [#1] PREEMPT SMP KASAN
[ 30.962613][ T297] CPU: 1 PID: 297 Comm: syz-executor409 Tainted: G B W 5.10.226-syzkaller #0
[ 30.972335][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 30.982247][ T297] RIP: 0010:ihold+0x25/0x60
[ 30.986575][ T297] 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
[ 31.006013][ T297] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246
[ 31.011995][ T297] RAX: ffff88810cbe6200 RBX: 0000000000000001 RCX: ffff88810cbe62c0
[ 31.019804][ T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 31.027615][ T297] RBP: ffffc90000b47c38 R08: ffffffff813e2a7b R09: 0000000000000003
[ 31.035430][ T297] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[ 31.043245][ T297] R13: ffff888120cfa440 R14: 0000000000000000 R15: 0000000000000000
[ 31.051143][ T297] FS: 0000555555def380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 31.059903][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.066329][ T297] CR2: 0000000000000170 CR3: 000000011c323000 CR4: 00000000003506a0
[ 31.074141][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 31.081962][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 31.089757][ T297] Call Trace:
[ 31.092895][ T297] ? __die_body+0x62/0xb0
[ 31.097053][ T297] ? __die+0x7e/0x90
[ 31.100786][ T297] ? no_context+0x9f9/0xd20
[ 31.105122][ T297] ? is_prefetch+0x5c0/0x5c0
[ 31.109550][ T297] ? preempt_schedule+0xd9/0xe0
[ 31.114242][ T297] ? __kasan_check_read+0x11/0x20
[ 31.119101][ T297] ? preempt_schedule_common+0xbe/0xf0
[ 31.124390][ T297] ? preempt_schedule+0xd9/0xe0
[ 31.129079][ T297] ? schedule_preempt_disabled+0x20/0x20
[ 31.134548][ T297] ? sysvec_apic_timer_interrupt+0xcb/0xe0
[ 31.140195][ T297] ? __bad_area_nosemaphore+0xc4/0x430
[ 31.145572][ T297] ? bad_area_nosemaphore+0x2d/0x40
[ 31.150604][ T297] ? exc_page_fault+0x3df/0x5b0
[ 31.155290][ T297] ? asm_exc_page_fault+0x1e/0x30
[ 31.160155][ T297] ? check_panic_on_warn+0x5b/0xb0
[ 31.165097][ T297] ? ihold+0x25/0x60
[ 31.168830][ T297] ? ihold+0x20/0x60
[ 31.172562][ T297] vfs_rmdir+0x200/0x3f0
[ 31.176639][ T297] incfs_kill_sb+0x108/0x220
[ 31.181068][ T297] deactivate_locked_super+0xad/0x110
[ 31.186284][ T297] deactivate_super+0xbe/0xf0
[ 31.190877][ T297] cleanup_mnt+0x45c/0x510
[ 31.195216][ T297] __cleanup_mnt+0x19/0x20
[ 31.199463][ T297] task_work_run+0x129/0x190
[ 31.203906][ T297] ptrace_notify+0x29e/0x350
[ 31.208770][ T297] ? do_notify_parent+0xa10/0xa10
[ 31.213614][ T297] ? user_path_at_empty+0x40/0x50
[ 31.218475][ T297] ? __x64_sys_umount+0x122/0x170
[ 31.223422][ T297] ? path_umount+0xea0/0xea0
[ 31.227849][ T297] syscall_exit_to_user_mode+0xf5/0x1a0
[ 31.233231][ T297] do_syscall_64+0x40/0x70
[ 31.237486][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 31.243207][ T297] RIP: 0033:0x7f247758da07
[ 31.247461][ 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
[ 31.266902][ T297] RSP: 002b:00007ffca8669898 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 31.275147][ T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f247758da07
[ 31.282960][ T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffca8669950
[ 31.290770][ T297] RBP: 00007ffca8669950 R08: 0000000000000000 R09: 0000000000000000
[ 31.298583][ T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffca866a9c0
[ 31.306390][ T297] R13: 0000555555df06c0 R14: 00007ffca866a9c0 R15: 0000000000000001
[ 31.314291][ T297] Modules linked in:
[ 31.318046][ T297] CR2: 0000000000000170
[ 31.322023][ T297] ---[ end trace 467a6b35aba90454 ]---
[ 31.327353][ T297] RIP: 0010:ihold+0x25/0x60
[ 31.331650][ T297] 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
[ 31.351091][ T297] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246
[ 31.356989][ T297] RAX: ffff88810cbe6200 RBX: 0000000000000001 RCX: ffff88810cbe62c0
[ 31.364801][ T297] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[ 31.372613][ T297] RBP: ffffc90000b47c38 R08: ffffffff813e2a7b R09: 0000000000000003
[ 31.380514][ T297] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[ 31.388324][ T297] R13: ffff888120cfa440 R14: 0000000000000000 R15: 0000000000000000
[ 31.396136][ T297] FS: 0000555555def380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[ 31.404906][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 31.411412][ T297] CR2: 0000000000000170 CR3: 000000011c323000 CR4: 00000000003506a0
[ 31.419221][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 31.427224][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 31.435032][ T297] Kernel panic - not syncing: Fatal exception
[ 31.441168][ T297] Kernel Offset: disabled
[ 31.445471][ T297] Rebooting in 86400 seconds..