./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3929223214

<...>
[    3.004392][   T24] audit: type=1400 audit(1720232609.249:9): avc:  denied  { append open } for  pid=75 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
[    3.008460][   T24] audit: type=1400 audit(1720232609.249:10): avc:  denied  { getattr } for  pid=75 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
[    3.174619][   T92] udevd[92]: starting version 3.2.11
[    3.212572][   T93] udevd[93]: starting eudev-3.2.11
[   12.773126][   T24] kauditd_printk_skb: 50 callbacks suppressed
[   12.773135][   T24] audit: type=1400 audit(1720232619.039:61): avc:  denied  { transition } for  pid=219 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
[   12.778048][   T24] audit: type=1400 audit(1720232619.039:62): avc:  denied  { noatsecure } for  pid=219 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.781250][   T24] audit: type=1400 audit(1720232619.039:63): avc:  denied  { write } for  pid=219 comm="sh" path="pipe:[1553]" dev="pipefs" ino=1553 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   12.785395][   T24] audit: type=1400 audit(1720232619.039:64): avc:  denied  { rlimitinh } for  pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   12.788043][   T24] audit: type=1400 audit(1720232619.039:65): avc:  denied  { siginh } for  pid=219 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.45' (ED25519) to the list of known hosts.
execve("./syz-executor3929223214", ["./syz-executor3929223214"], 0x7ffe3ec6dd40 /* 10 vars */) = 0
brk(NULL)                               = 0x555557511000
brk(0x555557511e00)                     = 0x555557511e00
arch_prctl(ARCH_SET_FS, 0x555557511480) = 0
set_tid_address(0x555557511750)         = 287
set_robust_list(0x555557511760, 24)     = 0
rseq(0x555557511da0, 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-executor3929223214", 4096) = 28
getrandom("\xf3\xb4\x00\x21\x4a\xf2\xa4\x6d", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555557511e00
brk(0x555557532e00)                     = 0x555557532e00
brk(0x555557533000)                     = 0x555557533000
mprotect(0x7fc2d5a11000, 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=0x7fc2d5967ce0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc2d596f9d0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fc2d5967ce0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc2d596f9d0}, NULL, 8) = 0
mkdir("./syzkaller.jxtggw", 0700)       = 0
chmod("./syzkaller.jxtggw", 0777)       = 0
chdir("./syzkaller.jxtggw")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 289 attached
, child_tidptr=0x555557511750) = 289
[pid   289] set_robust_list(0x555557511760, 24) = 0
[pid   289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   289] setsid()                    = 1
[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] 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
[   21.371091][   T24] audit: type=1400 audit(1720232627.639:66): avc:  denied  { execmem } for  pid=287 comm="syz-executor392" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.377140][   T24] audit: type=1400 audit(1720232627.639:67): avc:  denied  { mounton } for  pid=289 comm="syz-executor392" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1
[   21.381723][   T24] audit: type=1400 audit(1720232627.639:68): avc:  denied  { mount } for  pid=289 comm="syz-executor392" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   21.385452][   T24] audit: type=1400 audit(1720232627.639:69): avc:  denied  { mounton } for  pid=289 comm="syz-executor392" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   21.395986][   T24] audit: type=1400 audit(1720232627.659:70): avc:  denied  { mounton } for  pid=289 comm="syz-executor392" path="/root/syzkaller.jxtggw/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   289] mkdir("/dev/binderfs", 0777) = 0
[pid   289] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[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=0x555557511750) = 2
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x555557511760, 24) = 0
[pid   290] chdir("./0")                = 0
[pid   290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   290] setpgid(0, 0)               = 0
[pid   290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "1000", 4)         = 4
[pid   290] close(3executing program
)                    = 0
[pid   290] symlink("/dev/binderfs", "./binderfs") = 0
[pid   290] write(1, "executing program\n", 18) = 18
[pid   290] mkdir("./file0", 0777)      = 0
[pid   290] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   290] mkdir("./file1", 000)       = 0
[pid   290] mount(".", "./file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   290] mount("./file0", "./file1", "incremental-fs", 0, NULL) = 0
[pid   290] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   290] exit_group(0)               = ?
[pid   290] +++ exited with 0 +++
[pid   289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[   21.420564][   T24] audit: type=1400 audit(1720232627.659:71): avc:  denied  { mount } for  pid=289 comm="syz-executor392" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   21.428544][  T290] incfs: ino conflict with backing FS 8
[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=140, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(3, 0x5555575127f0 /* 7 entries */, 32768) = 208
[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, 0x55555751a830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x55555751a830 /* 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, 0x55555751a830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x55555751a830 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.index")         = 0
[   21.457077][   T24] audit: type=1400 audit(1720232627.669:72): avc:  denied  { mounton } for  pid=289 comm="syz-executor392" path="/root/syzkaller.jxtggw/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
[   21.482662][   T24] audit: type=1400 audit(1720232627.669:73): avc:  denied  { mount } for  pid=289 comm="syz-executor392" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   21.504555][   T24] audit: type=1400 audit(1720232627.669:74): avc:  denied  { unmount } for  pid=289 comm="syz-executor392" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   21.504903][  T289] ------------[ cut here ]------------
[   21.523992][   T24] audit: type=1400 audit(1720232627.689:75): avc:  denied  { mounton } for  pid=289 comm="syz-executor392" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   21.529215][  T289] WARNING: CPU: 0 PID: 289 at fs/inode.c:304 drop_nlink+0xc1/0x110
[   21.559649][  T289] Modules linked in:
[   21.563282][  T289] CPU: 0 PID: 289 Comm: syz-executor392 Not tainted 5.10.218-syzkaller-00638-g3feee789f446 #0
[   21.573560][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   21.583407][  T289] RIP: 0010:drop_nlink+0xc1/0x110
[   21.588304][  T289] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 77 ce f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 af 38 b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   21.607782][  T289] RSP: 0018:ffffc90000b57be8 EFLAGS: 00010293
[   21.613667][  T289] RAX: ffffffff81b771d1 RBX: 0000000000000000 RCX: ffff888117bd13c0
[   21.621577][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   21.629288][  T289] RBP: ffffc90000b57c10 R08: ffffffff81b77154 R09: 0000000000000003
[   21.637087][  T289] R10: fffff5200016af6c R11: dffffc0000000001 R12: dffffc0000000000
[   21.644925][  T289] R13: 1ffff11023ec6df9 R14: ffff88811f636f80 R15: ffff88811f636fc8
[   21.652724][  T289] FS:  0000555557511480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.661494][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.667892][  T289] CR2: 0000555557522838 CR3: 000000011e02e000 CR4: 00000000003506b0
[   21.675745][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.683538][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.691348][  T289] Call Trace:
[   21.694470][  T289]  ? show_regs+0x58/0x60
[   21.698548][  T289]  ? __warn+0x160/0x2f0
[   21.702589][  T289]  ? drop_nlink+0xc1/0x110
[   21.706779][  T289]  ? report_bug+0x3d9/0x5b0
[   21.711151][  T289]  ? drop_nlink+0xc1/0x110
[   21.715372][  T289]  ? handle_bug+0x41/0x70
[   21.719568][  T289]  ? exc_invalid_op+0x1b/0x50
[   21.724053][  T289]  ? asm_exc_invalid_op+0x12/0x20
[   21.728910][  T289]  ? drop_nlink+0x44/0x110
[   21.733206][  T289]  ? drop_nlink+0xc1/0x110
[   21.737420][  T289]  ? drop_nlink+0xc1/0x110
[   21.741714][  T289]  ? drop_nlink+0xc1/0x110
[   21.745926][  T289]  shmem_rmdir+0x59/0x90
[   21.750038][  T289]  vfs_rmdir+0x2b7/0x3f0
[   21.754344][  T289]  incfs_kill_sb+0x108/0x220
[   21.758767][  T289]  deactivate_locked_super+0xad/0x110
[   21.764026][  T289]  deactivate_super+0xbe/0xf0
[   21.768963][  T289]  cleanup_mnt+0x45c/0x510
[   21.773324][  T289]  __cleanup_mnt+0x19/0x20
[   21.777536][  T289]  task_work_run+0x129/0x190
[   21.782001][  T289]  ptrace_notify+0x29e/0x350
[   21.786401][  T289]  ? do_notify_parent+0xa10/0xa10
[   21.791279][  T289]  ? user_path_at_empty+0x40/0x50
[   21.796117][  T289]  ? __x64_sys_umount+0x122/0x170
[   21.801002][  T289]  ? path_umount+0xea0/0xea0
[   21.805400][  T289]  syscall_exit_to_user_mode+0xf5/0x1a0
[   21.810802][  T289]  do_syscall_64+0x40/0x70
[   21.815034][  T289]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   21.820792][  T289] RIP: 0033:0x7fc2d599e0e7
[   21.825011][  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
[   21.844486][  T289] RSP: 002b:00007fff6a8ebae8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   21.852716][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc2d599e0e7
[   21.860535][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff6a8ebba0
[   21.868317][  T289] RBP: 00007fff6a8ebba0 R08: 0000000000000000 R09: 0000000000000000
[   21.876249][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff6a8ecc10
[   21.884054][  T289] R13: 00005555575127c0 R14: 431bde82d7b634db R15: 00007fff6a8ecc30
[   21.891872][  T289] ---[ end trace e60b6efdd7df2091 ]---
[   21.897167][  T289] ==================================================================
[   21.905035][  T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   21.911104][  T289] Write of size 4 at addr 0000000000000170 by task syz-executor392/289
[   21.919170][  T289] 
[   21.921348][  T289] CPU: 0 PID: 289 Comm: syz-executor392 Tainted: G        W         5.10.218-syzkaller-00638-g3feee789f446 #0
[   21.932807][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   21.942695][  T289] Call Trace:
[   21.945827][  T289]  dump_stack_lvl+0x1e2/0x24b
[   21.950337][  T289]  ? panic+0x812/0x812
[   21.954242][  T289]  ? bfq_pos_tree_add_move+0x43b/0x43b
[   21.959539][  T289]  ? _raw_spin_lock+0xa4/0x1b0
[   21.964136][  T289]  ? _raw_spin_trylock_bh+0x190/0x190
[   21.969344][  T289]  kasan_report+0x167/0x1c0
[   21.973685][  T289]  ? ihold+0x20/0x60
[   21.977420][  T289]  ? ihold+0x20/0x60
[   21.981146][  T289]  kasan_check_range+0x293/0x2a0
[   21.985923][  T289]  __kasan_check_write+0x14/0x20
[   21.990696][  T289]  ihold+0x20/0x60
[   21.994254][  T289]  vfs_rmdir+0x200/0x3f0
[   21.998331][  T289]  incfs_kill_sb+0x108/0x220
[   22.002759][  T289]  deactivate_locked_super+0xad/0x110
[   22.007966][  T289]  deactivate_super+0xbe/0xf0
[   22.012482][  T289]  cleanup_mnt+0x45c/0x510
[   22.016734][  T289]  __cleanup_mnt+0x19/0x20
[   22.020986][  T289]  task_work_run+0x129/0x190
[   22.025421][  T289]  ptrace_notify+0x29e/0x350
[   22.029842][  T289]  ? do_notify_parent+0xa10/0xa10
[   22.034700][  T289]  ? user_path_at_empty+0x40/0x50
[   22.039565][  T289]  ? __x64_sys_umount+0x122/0x170
[   22.044418][  T289]  ? path_umount+0xea0/0xea0
[   22.048850][  T289]  syscall_exit_to_user_mode+0xf5/0x1a0
[   22.054228][  T289]  do_syscall_64+0x40/0x70
[   22.058482][  T289]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   22.064209][  T289] RIP: 0033:0x7fc2d599e0e7
[   22.068478][  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
[   22.087906][  T289] RSP: 002b:00007fff6a8ebae8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   22.096148][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc2d599e0e7
[   22.103958][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff6a8ebba0
[   22.111769][  T289] RBP: 00007fff6a8ebba0 R08: 0000000000000000 R09: 0000000000000000
[   22.119591][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff6a8ecc10
[   22.127421][  T289] R13: 00005555575127c0 R14: 431bde82d7b634db R15: 00007fff6a8ecc30
[   22.135206][  T289] ==================================================================
[   22.143103][  T289] Disabling lock debugging due to kernel taint
[   22.149270][  T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   22.156874][  T289] #PF: supervisor write access in kernel mode
[   22.162771][  T289] #PF: error_code(0x0002) - not-present page
[   22.168586][  T289] PGD 0 P4D 0 
[   22.171887][  T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[   22.177104][  T289] CPU: 0 PID: 289 Comm: syz-executor392 Tainted: G    B   W         5.10.218-syzkaller-00638-g3feee789f446 #0
[   22.188551][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   22.198474][  T289] RIP: 0010:ihold+0x25/0x60
[   22.202790][  T289] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 30 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 60 c6 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 34 b3
[   22.222240][  T289] RSP: 0018:ffffc90000b57c28 EFLAGS: 00010246
[   22.228132][  T289] RAX: ffff888117bd1300 RBX: 0000000000000001 RCX: ffff888117bd13c0
[   22.236054][  T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   22.243849][  T289] RBP: ffffc90000b57c38 R08: ffffffff813e2c3b R09: 0000000000000003
[   22.251661][  T289] R10: fffffbfff0e10648 R11: dffffc0000000001 R12: dffffc0000000000
[   22.259472][  T289] R13: ffff88811ccbb990 R14: 0000000000000000 R15: 0000000000000000
[   22.267286][  T289] FS:  0000555557511480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.276051][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.282486][  T289] CR2: 0000000000000170 CR3: 000000011e02e000 CR4: 00000000003506b0
[   22.290288][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.298097][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.306153][  T289] Call Trace:
[   22.309374][  T289]  ? __die_body+0x62/0xb0
[   22.313521][  T289]  ? __die+0x7e/0x90
[   22.317339][  T289]  ? no_context+0xbc8/0xf20
[   22.321678][  T289]  ? is_prefetch+0x5c0/0x5c0
[   22.326104][  T289]  ? preempt_schedule+0xd9/0xe0
[   22.330795][  T289]  ? __kasan_check_read+0x11/0x20
[   22.335652][  T289]  ? preempt_schedule_common+0xbe/0xf0
[   22.340954][  T289]  ? preempt_schedule+0xd9/0xe0
[   22.345632][  T289]  ? schedule_preempt_disabled+0x20/0x20
[   22.351101][  T289]  ? sysvec_apic_timer_interrupt+0xcb/0xe0
[   22.356747][  T289]  ? __bad_area_nosemaphore+0xcd/0x440
[   22.362040][  T289]  ? bad_area_nosemaphore+0x2d/0x40
[   22.367090][  T289]  ? exc_page_fault+0x3ea/0x5b0
[   22.371765][  T289]  ? asm_exc_page_fault+0x1e/0x30
[   22.376620][  T289]  ? check_panic_on_warn+0x5b/0xb0
[   22.381749][  T289]  ? ihold+0x25/0x60
[   22.385470][  T289]  ? ihold+0x20/0x60
[   22.389207][  T289]  vfs_rmdir+0x200/0x3f0
[   22.393283][  T289]  incfs_kill_sb+0x108/0x220
[   22.397711][  T289]  deactivate_locked_super+0xad/0x110
[   22.402921][  T289]  deactivate_super+0xbe/0xf0
[   22.407433][  T289]  cleanup_mnt+0x45c/0x510
[   22.411772][  T289]  __cleanup_mnt+0x19/0x20
[   22.416024][  T289]  task_work_run+0x129/0x190
[   22.420472][  T289]  ptrace_notify+0x29e/0x350
[   22.424882][  T289]  ? do_notify_parent+0xa10/0xa10
[   22.429737][  T289]  ? user_path_at_empty+0x40/0x50
[   22.434600][  T289]  ? __x64_sys_umount+0x122/0x170
[   22.439460][  T289]  ? path_umount+0xea0/0xea0
[   22.443886][  T289]  syscall_exit_to_user_mode+0xf5/0x1a0
[   22.449465][  T289]  do_syscall_64+0x40/0x70
[   22.453658][  T289]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   22.459378][  T289] RIP: 0033:0x7fc2d599e0e7
[   22.463719][  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
[   22.483157][  T289] RSP: 002b:00007fff6a8ebae8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   22.491400][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc2d599e0e7
[   22.499212][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff6a8ebba0
[   22.507022][  T289] RBP: 00007fff6a8ebba0 R08: 0000000000000000 R09: 0000000000000000
[   22.514835][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fff6a8ecc10
[   22.522646][  T289] R13: 00005555575127c0 R14: 431bde82d7b634db R15: 00007fff6a8ecc30
[   22.530458][  T289] Modules linked in:
[   22.534201][  T289] CR2: 0000000000000170
[   22.538190][  T289] ---[ end trace e60b6efdd7df2092 ]---
[   22.543484][  T289] RIP: 0010:ihold+0x25/0x60
[   22.547816][  T289] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 c1 30 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 60 c6 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 34 b3
[   22.567259][  T289] RSP: 0018:ffffc90000b57c28 EFLAGS: 00010246
[   22.573159][  T289] RAX: ffff888117bd1300 RBX: 0000000000000001 RCX: ffff888117bd13c0
[   22.580970][  T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   22.588780][  T289] RBP: ffffc90000b57c38 R08: ffffffff813e2c3b R09: 0000000000000003
[   22.596596][  T289] R10: fffffbfff0e10648 R11: dffffc0000000001 R12: dffffc0000000000
[   22.604403][  T289] R13: ffff88811ccbb990 R14: 0000000000000000 R15: 0000000000000000
[   22.612219][  T289] FS:  0000555557511480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.620981][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.627407][  T289] CR2: 0000000000000170 CR3: 000000011e02e000 CR4: 00000000003506b0
[   22.635219][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.643030][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.650841][  T289] Kernel panic - not syncing: Fatal exception
[   22.656808][  T289] Kernel Offset: disabled
[   22.660907][  T289] Rebooting in 86400 seconds..