./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor516427862

<...>
[    4.601838][  T102] udevd (102) used greatest stack depth: 22256 bytes left
[    6.279507][   T28] kauditd_printk_skb: 47 callbacks suppressed
[    6.279523][   T28] audit: type=1400 audit(1733304988.500:58): avc:  denied  { use } for  pid=183 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
[    6.342650][   T28] audit: type=1400 audit(1733304988.560:59): avc:  denied  { search } for  pid=183 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
[    6.404498][   T28] audit: type=1400 audit(1733304988.620:60): avc:  denied  { use } for  pid=189 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
[   12.999050][   T28] audit: type=1400 audit(1733304995.220:61): 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
[   13.006500][   T28] audit: type=1400 audit(1733304995.220:62): 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
[   13.013366][   T28] audit: type=1400 audit(1733304995.220:63): avc:  denied  { write } for  pid=226 comm="sh" path="pipe:[14247]" dev="pipefs" ino=14247 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   13.023911][   T28] audit: type=1400 audit(1733304995.220:64): 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
[   13.042478][   T28] audit: type=1400 audit(1733304995.220:65): 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 '10.128.0.237' (ED25519) to the list of known hosts.
execve("./syz-executor516427862", ["./syz-executor516427862"], 0x7fffd64be410 /* 10 vars */) = 0
brk(NULL)                               = 0x555577aa3000
brk(0x555577aa3e00)                     = 0x555577aa3e00
arch_prctl(ARCH_SET_FS, 0x555577aa3480) = 0
set_tid_address(0x555577aa3750)         = 295
set_robust_list(0x555577aa3760, 24)     = 0
rseq(0x555577aa3da0, 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-executor516427862", 4096) = 27
getrandom("\x17\x6d\x26\x4a\xd0\xa0\x44\x9f", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555577aa3e00
brk(0x555577ac4e00)                     = 0x555577ac4e00
brk(0x555577ac5000)                     = 0x555577ac5000
mprotect(0x7f13381f1000, 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=0x7f1338147d70, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f133814fa60}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f1338147d70, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f133814fa60}, NULL, 8) = 0
getrandom("\x93\x24\xa0\xc0\x09\x07\x72\x92", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.vbELnz", 0700)       = 0
chmod("./syzkaller.vbELnz", 0777)       = 0
chdir("./syzkaller.vbELnz")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577aa3750) = 296
./strace-static-x86_64: Process 296 attached
[pid   296] set_robust_list(0x555577aa3760, 24) = 0
[pid   296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   296] getppid()                   = 0
[pid   296] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   296] unshare(CLONE_NEWNS)        = 0
[pid   296] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   296] unshare(CLONE_NEWCGROUP)    = 0
[pid   296] unshare(CLONE_NEWUTS)       = 0
[pid   296] unshare(CLONE_SYSVSEM)      = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] getpid()                    = 1
[pid   296] 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   296] 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   296] unshare(CLONE_NEWNET)       = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "0 65535", 7)      = 7
[pid   296] close(3)                    = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "100000", 6)       = 6
[pid   296] close(3)                    = 0
[pid   296] mkdir("./syz-tmp", 0777)    = 0
[pid   296] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   296] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[   22.526008][   T28] audit: type=1400 audit(1733305004.740:66): avc:  denied  { execmem } for  pid=295 comm="syz-executor516" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.548912][   T28] audit: type=1400 audit(1733305004.770:67): avc:  denied  { mounton } for  pid=296 comm="syz-executor516" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   296] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   296] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   296] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   296] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   296] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] 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   296] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   296] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   296] chdir("/")                  = 0
[pid   296] umount2("./pivot", MNT_DETACHexecuting program
) = 0
[pid   296] chroot("./newroot")         = 0
[pid   296] chdir("/")                  = 0
[pid   296] mkdir("/dev/binderfs", 0777) = 0
[pid   296] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   296] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   296] mkdir("./0", 0777)          = 0
[pid   296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   296] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   296] close(3)                    = 0
[pid   296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555577aa3750) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x555577aa3760, 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", 18) = 18
[pid   298] mkdir("./file0", 0777)      = 0
[pid   298] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   298] mkdir("./file1", 000)       = 0
[pid   298] mount(".", "./file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[   22.577071][   T28] audit: type=1400 audit(1733305004.790:68): avc:  denied  { mounton } for  pid=296 comm="syz-executor516" path="/root/syzkaller.vbELnz/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.601399][   T28] audit: type=1400 audit(1733305004.790:69): avc:  denied  { mount } for  pid=296 comm="syz-executor516" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   298] mount("./file0", "./file1", "incremental-fs", 0, 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   296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   296] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   296] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=140, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(3, 0x555577aa47f0 /* 7 entries */, 32768) = 208
[pid   296] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   296] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(4, 0x555577aac830 /* 2 entries */, 32768) = 48
[pid   296] getdents64(4, 0x555577aac830 /* 0 entries */, 32768) = 0
[pid   296] close(4)                    = 0
[pid   296] rmdir("./0/.incomplete")    = 0
[pid   296] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   296] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(4, 0x555577aac830 /* 2 entries */, 32768) = 48
[pid   296] getdents64(4, 0x555577aac830 /* 0 entries */, 32768) = 0
[pid   296] close(4)                    = 0
[pid   296] rmdir("./0/.index")         = 0
[   22.609076][  T298] incfs: ino conflict with backing FS 8
[   22.633905][   T28] audit: type=1400 audit(1733305004.790:70): avc:  denied  { mounton } for  pid=296 comm="syz-executor516" path="/root/syzkaller.vbELnz/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
[   22.659508][   T28] audit: type=1400 audit(1733305004.790:71): avc:  denied  { mount } for  pid=296 comm="syz-executor516" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   22.681864][   T28] audit: type=1400 audit(1733305004.790:72): avc:  denied  { mounton } for  pid=296 comm="syz-executor516" path="/root/syzkaller.vbELnz/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
[   22.682053][  T296] ------------[ cut here ]------------
[   22.708487][   T28] audit: type=1400 audit(1733305004.790:73): avc:  denied  { mounton } for  pid=296 comm="syz-executor516" path="/root/syzkaller.vbELnz/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14333 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   22.713720][  T296] WARNING: CPU: 1 PID: 296 at fs/inode.c:332 drop_nlink+0xc1/0x110
[   22.748793][   T28] audit: type=1400 audit(1733305004.790:74): avc:  denied  { unmount } for  pid=296 comm="syz-executor516" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   22.748806][  T296] Modules linked in:
[   22.748830][  T296] CPU: 1 PID: 296 Comm: syz-executor516 Not tainted 6.1.115-syzkaller-00045-g997d1e6f69f1 #0
[   22.772013][   T28] audit: type=1400 audit(1733305004.820:75): avc:  denied  { mounton } for  pid=296 comm="syz-executor516" path="/dev/binderfs" dev="devtmpfs" ino=522 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   22.782072][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.814706][  T296] RIP: 0010:drop_nlink+0xc1/0x110
[   22.819561][  T296] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 67 e2 ef ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 5f 71 a8 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   22.838999][  T296] RSP: 0018:ffffc90000ec7b30 EFLAGS: 00010293
[   22.844873][  T296] RAX: ffffffff81cd1551 RBX: 0000000000000000 RCX: ffff888110e79440
[   22.852713][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.860523][  T296] RBP: ffffc90000ec7b58 R08: ffffffff81cd14d4 R09: 0000000000000003
[   22.868319][  T296] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
[   22.876164][  T296] R13: 1ffff110248cd184 R14: ffff888124668bd8 R15: ffff888124668c20
[   22.883947][  T296] FS:  0000555577aa3480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   22.892732][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.899136][  T296] CR2: 0000555577ab4838 CR3: 0000000121e03000 CR4: 00000000003506a0
[   22.906933][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.914851][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.922750][  T296] Call Trace:
[   22.925850][  T296]  <TASK>
[   22.928664][  T296]  ? show_regs+0x58/0x60
[   22.932709][  T296]  ? __warn+0x160/0x3d0
[   22.936700][  T296]  ? drop_nlink+0xc1/0x110
[   22.940979][  T296]  ? report_bug+0x4d5/0x7d0
[   22.945294][  T296]  ? drop_nlink+0xc1/0x110
[   22.949575][  T296]  ? handle_bug+0x41/0x70
[   22.953712][  T296]  ? exc_invalid_op+0x1b/0x50
[   22.958225][  T296]  ? asm_exc_invalid_op+0x1b/0x20
[   22.963115][  T296]  ? drop_nlink+0x44/0x110
[   22.967348][  T296]  ? drop_nlink+0xc1/0x110
[   22.971617][  T296]  ? drop_nlink+0xc1/0x110
[   22.975847][  T296]  shmem_rmdir+0x59/0x90
[   22.979987][  T296]  vfs_rmdir+0x398/0x500
[   22.984007][  T296]  incfs_kill_sb+0x113/0x230
[   22.988462][  T296]  deactivate_locked_super+0xad/0x110
[   22.993639][  T296]  deactivate_super+0xbe/0xf0
[   22.998151][  T296]  cleanup_mnt+0x485/0x510
[   23.002447][  T296]  __cleanup_mnt+0x19/0x20
[   23.006658][  T296]  task_work_run+0x24d/0x2e0
[   23.011113][  T296]  ? task_work_cancel+0x2e0/0x2e0
[   23.015946][  T296]  ptrace_notify+0x29e/0x350
[   23.020395][  T296]  ? do_notify_parent+0xa20/0xa20
[   23.025230][  T296]  ? user_path_at_empty+0x14e/0x1a0
[   23.030291][  T296]  ? __x64_sys_umount+0x122/0x170
[   23.035125][  T296]  ? path_umount+0xe70/0xe70
[   23.039581][  T296]  syscall_exit_to_user_mode+0x99/0x130
[   23.044935][  T296]  do_syscall_64+0x47/0xb0
[   23.049210][  T296]  ? clear_bhb_loop+0x55/0xb0
[   23.053698][  T296]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   23.059561][  T296] RIP: 0033:0x7f133817e147
[   23.063784][  T296] 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
[   23.083268][  T296] RSP: 002b:00007ffcdd69f108 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.091485][  T296] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f133817e147
[   23.099307][  T296] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcdd69f1c0
[   23.107090][  T296] RBP: 00007ffcdd69f1c0 R08: 0000000000000000 R09: 0000000000000000
[   23.114973][  T296] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffcdd6a0230
[   23.122734][  T296] R13: 0000555577aa47c0 R14: 431bde82d7b634db R15: 00007ffcdd6a0250
[   23.130552][  T296]  </TASK>
[   23.133388][  T296] ---[ end trace 0000000000000000 ]---
[   23.138840][  T296] ==================================================================
[   23.146753][  T296] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   23.152790][  T296] Write of size 4 at addr 0000000000000170 by task syz-executor516/296
[   23.160862][  T296] 
[   23.163044][  T296] CPU: 1 PID: 296 Comm: syz-executor516 Tainted: G        W          6.1.115-syzkaller-00045-g997d1e6f69f1 #0
[   23.174727][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   23.184755][  T296] Call Trace:
[   23.187877][  T296]  <TASK>
[   23.190682][  T296]  dump_stack_lvl+0x151/0x1b7
[   23.195169][  T296]  ? nf_tcp_handle_invalid+0x3f1/0x3f1
[   23.200464][  T296]  ? _printk+0xd1/0x111
[   23.204474][  T296]  print_report+0xe1/0x4e0
[   23.208718][  T296]  ? __virt_addr_valid+0x59/0x2f0
[   23.213573][  T296]  ? kasan_addr_to_slab+0xd/0x80
[   23.218345][  T296]  ? ihold+0x20/0x60
[   23.222075][  T296]  kasan_report+0x13c/0x170
[   23.226417][  T296]  ? ihold+0x20/0x60
[   23.230148][  T296]  kasan_check_range+0x294/0x2a0
[   23.234920][  T296]  __kasan_check_write+0x14/0x20
[   23.239694][  T296]  ihold+0x20/0x60
[   23.243251][  T296]  vfs_rmdir+0x268/0x500
[   23.247332][  T296]  incfs_kill_sb+0x113/0x230
[   23.251760][  T296]  deactivate_locked_super+0xad/0x110
[   23.256965][  T296]  deactivate_super+0xbe/0xf0
[   23.261481][  T296]  cleanup_mnt+0x485/0x510
[   23.265732][  T296]  __cleanup_mnt+0x19/0x20
[   23.269987][  T296]  task_work_run+0x24d/0x2e0
[   23.274413][  T296]  ? task_work_cancel+0x2e0/0x2e0
[   23.279271][  T296]  ptrace_notify+0x29e/0x350
[   23.283700][  T296]  ? do_notify_parent+0xa20/0xa20
[   23.288567][  T296]  ? user_path_at_empty+0x14e/0x1a0
[   23.293601][  T296]  ? __x64_sys_umount+0x122/0x170
[   23.298456][  T296]  ? path_umount+0xe70/0xe70
[   23.302883][  T296]  syscall_exit_to_user_mode+0x99/0x130
[   23.308263][  T296]  do_syscall_64+0x47/0xb0
[   23.312513][  T296]  ? clear_bhb_loop+0x55/0xb0
[   23.317026][  T296]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   23.322756][  T296] RIP: 0033:0x7f133817e147
[   23.327008][  T296] 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
[   23.346448][  T296] RSP: 002b:00007ffcdd69f108 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.354697][  T296] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f133817e147
[   23.362507][  T296] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcdd69f1c0
[   23.370318][  T296] RBP: 00007ffcdd69f1c0 R08: 0000000000000000 R09: 0000000000000000
[   23.378130][  T296] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffcdd6a0230
[   23.385940][  T296] R13: 0000555577aa47c0 R14: 431bde82d7b634db R15: 00007ffcdd6a0250
[   23.393758][  T296]  </TASK>
[   23.396618][  T296] ==================================================================
[   23.404653][  T296] Disabling lock debugging due to kernel taint
[   23.410756][  T296] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   23.418356][  T296] #PF: supervisor write access in kernel mode
[   23.424258][  T296] #PF: error_code(0x0002) - not-present page
[   23.430073][  T296] PGD 0 P4D 0 
[   23.433283][  T296] Oops: 0002 [#1] PREEMPT SMP KASAN
[   23.438319][  T296] CPU: 1 PID: 296 Comm: syz-executor516 Tainted: G    B   W          6.1.115-syzkaller-00045-g997d1e6f69f1 #0
[   23.449778][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   23.459668][  T296] RIP: 0010:ihold+0x25/0x60
[   23.464009][  T296] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 31 69 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 10 da 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 b4 6c a8
[   23.483453][  T296] RSP: 0018:ffffc90000ec7b70 EFLAGS: 00010246
[   23.489351][  T296] RAX: ffff888110e79400 RBX: 0000000000000001 RCX: ffff888110e79440
[   23.497179][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.504974][  T296] RBP: ffffc90000ec7b80 R08: ffffffff8144a503 R09: fffffbfff0f6e2fd
[   23.512785][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102262b3dc
[   23.520600][  T296] R13: ffff8881005e5330 R14: 0000000000000000 R15: 1ffff110200bca6c
[   23.528441][  T296] FS:  0000555577aa3480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   23.537263][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.543686][  T296] CR2: 0000000000000170 CR3: 0000000121e03000 CR4: 00000000003506a0
[   23.551501][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.559326][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.567118][  T296] Call Trace:
[   23.570244][  T296]  <TASK>
[   23.573023][  T296]  ? __die_body+0x62/0xb0
[   23.577186][  T296]  ? __die+0x7e/0x90
[   23.581005][  T296]  ? page_fault_oops+0x7f9/0xa90
[   23.585781][  T296]  ? vprintk_default+0x26/0x30
[   23.590395][  T296]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   23.595767][  T296]  ? add_taint+0x44/0xe0
[   23.599845][  T296]  ? panic+0x667/0x667
[   23.603747][  T296]  ? preempt_schedule_thunk+0x16/0x18
[   23.608955][  T296]  ? exc_page_fault+0x529/0x6d0
[   23.613664][  T296]  ? asm_exc_page_fault+0x27/0x30
[   23.618506][  T296]  ? add_taint+0x93/0xe0
[   23.622579][  T296]  ? ihold+0x25/0x60
[   23.626311][  T296]  vfs_rmdir+0x268/0x500
[   23.630393][  T296]  incfs_kill_sb+0x113/0x230
[   23.634819][  T296]  deactivate_locked_super+0xad/0x110
[   23.640027][  T296]  deactivate_super+0xbe/0xf0
[   23.644543][  T296]  cleanup_mnt+0x485/0x510
[   23.648796][  T296]  __cleanup_mnt+0x19/0x20
[   23.653042][  T296]  task_work_run+0x24d/0x2e0
[   23.657473][  T296]  ? task_work_cancel+0x2e0/0x2e0
[   23.662339][  T296]  ptrace_notify+0x29e/0x350
[   23.666758][  T296]  ? do_notify_parent+0xa20/0xa20
[   23.671621][  T296]  ? user_path_at_empty+0x14e/0x1a0
[   23.676655][  T296]  ? __x64_sys_umount+0x122/0x170
[   23.681515][  T296]  ? path_umount+0xe70/0xe70
[   23.685942][  T296]  syscall_exit_to_user_mode+0x99/0x130
[   23.691320][  T296]  do_syscall_64+0x47/0xb0
[   23.695572][  T296]  ? clear_bhb_loop+0x55/0xb0
[   23.700086][  T296]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   23.705815][  T296] RIP: 0033:0x7f133817e147
[   23.710069][  T296] 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
[   23.729518][  T296] RSP: 002b:00007ffcdd69f108 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.737753][  T296] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f133817e147
[   23.745656][  T296] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcdd69f1c0
[   23.753464][  T296] RBP: 00007ffcdd69f1c0 R08: 0000000000000000 R09: 0000000000000000
[   23.761275][  T296] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffcdd6a0230
[   23.769088][  T296] R13: 0000555577aa47c0 R14: 431bde82d7b634db R15: 00007ffcdd6a0250
[   23.776902][  T296]  </TASK>
[   23.779762][  T296] Modules linked in:
[   23.783520][  T296] CR2: 0000000000000170
[   23.787494][  T296] ---[ end trace 0000000000000000 ]---
[   23.792783][  T296] RIP: 0010:ihold+0x25/0x60
[   23.797127][  T296] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 31 69 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 10 da 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 b4 6c a8
[   23.816565][  T296] RSP: 0018:ffffc90000ec7b70 EFLAGS: 00010246
[   23.822464][  T296] RAX: ffff888110e79400 RBX: 0000000000000001 RCX: ffff888110e79440
[   23.830276][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.838088][  T296] RBP: ffffc90000ec7b80 R08: ffffffff8144a503 R09: fffffbfff0f6e2fd
[   23.845902][  T296] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102262b3dc
[   23.853710][  T296] R13: ffff8881005e5330 R14: 0000000000000000 R15: 1ffff110200bca6c
[   23.861521][  T296] FS:  0000555577aa3480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   23.870291][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.876713][  T296] CR2: 0000000000000170 CR3: 0000000121e03000 CR4: 00000000003506a0
[   23.884524][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.892345][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.900146][  T296] Kernel panic - not syncing: Fatal exception
[   23.906375][  T296] Kernel Offset: disabled
[   23.910497][  T296] Rebooting in 86400 seconds..