./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3119994617

<...>
Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts.
execve("./syz-executor3119994617", ["./syz-executor3119994617"], 0x7ffddcad99d0 /* 10 vars */) = 0
brk(NULL)                               = 0x555563c9c000
brk(0x555563c9cd00)                     = 0x555563c9cd00
arch_prctl(ARCH_SET_FS, 0x555563c9c380) = 0
set_tid_address(0x555563c9c650)         = 288
set_robust_list(0x555563c9c660, 24)     = 0
rseq(0x555563c9cca0, 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-executor3119994617", 4096) = 28
getrandom("\xf6\xd4\x7b\xed\xd0\x10\xf8\xa1", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555563c9cd00
brk(0x555563cbdd00)                     = 0x555563cbdd00
brk(0x555563cbe000)                     = 0x555563cbe000
mprotect(0x7f41b299c000, 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.6YhNSA", 0700)       = 0
chmod("./syzkaller.6YhNSA", 0777)       = 0
chdir("./syzkaller.6YhNSA")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555563c9c650) = 289
./strace-static-x86_64: Process 289 attached
[pid   289] set_robust_list(0x555563c9c660, 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
[   21.705017][   T24] audit: type=1400 audit(1730581262.739:66): avc:  denied  { execmem } for  pid=288 comm="syz-executor311" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.714610][   T24] audit: type=1400 audit(1730581262.749:67): avc:  denied  { mounton } for  pid=289 comm="syz-executor311" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[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
[   21.734428][   T24] audit: type=1400 audit(1730581262.769:68): avc:  denied  { mounton } for  pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   21.758887][   T24] audit: type=1400 audit(1730581262.769:69): avc:  denied  { mount } for  pid=289 comm="syz-executor311" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   289] umount2("./pivot", MNT_DETACH) = 0
[pid   289] chroot("./newroot")         = 0
[pid   289] chdir("/")                  = 0
[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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555563c9c650) = 2
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x555563c9c660, 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(3)                    = 0
[pid   290] symlink("/dev/binderfs", "./binderfs") = 0
[pid   290] write(1, "executing program\n", 18executing program
) = 18
[pid   290] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   290] mkdir("./file0/file0", 000) = 0
[pid   290] mount("./file0", "./file0/../file0/file0", "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} ---
[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=80, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(3, 0x555563c9d6f0 /* 4 entries */, 32768) = 112
[pid   289] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|000, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|000, st_size=100, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x555563ca5730 /* 5 entries */, 32768) = 144
[pid   289] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   289] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(5, 0x555563cad770 /* 2 entries */, 32768) = 48
[pid   289] getdents64(5, 0x555563cad770 /* 0 entries */, 32768) = 0
[pid   289] close(5)                    = 0
[pid   289] rmdir("./0/file0/.incomplete") = 0
[pid   289] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   289] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(5, 0x555563cad770 /* 2 entries */, 32768) = 48
[pid   289] getdents64(5, 0x555563cad770 /* 0 entries */, 32768) = 0
[pid   289] close(5)                    = 0
[pid   289] rmdir("./0/file0/.index")   = 0
[   21.781047][   T24] audit: type=1400 audit(1730581262.819:70): avc:  denied  { mounton } for  pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/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
[   21.806230][   T24] audit: type=1400 audit(1730581262.819:71): avc:  denied  { mount } for  pid=289 comm="syz-executor311" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   21.827960][   T24] audit: type=1400 audit(1730581262.819:72): avc:  denied  { mounton } for  pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/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
[   21.854582][   T24] audit: type=1400 audit(1730581262.819:73): avc:  denied  { mounton } for  pid=289 comm="syz-executor311" path="/root/syzkaller.6YhNSA/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=1616 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   21.854819][  T289] ------------[ cut here ]------------
[   21.881919][   T24] audit: type=1400 audit(1730581262.819:74): avc:  denied  { unmount } for  pid=289 comm="syz-executor311" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   21.881934][   T24] audit: type=1400 audit(1730581262.839:75): avc:  denied  { mounton } for  pid=289 comm="syz-executor311" path="/dev/binderfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   21.929406][  T289] WARNING: CPU: 1 PID: 289 at fs/inode.c:304 drop_nlink+0xc1/0x110
[   21.937045][  T289] Modules linked in:
[   21.940753][  T289] CPU: 1 PID: 289 Comm: syz-executor311 Not tainted 5.10.226-syzkaller #0
[   21.949218][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   21.959140][  T289] RIP: 0010:drop_nlink+0xc1/0x110
[   21.963933][  T289] 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
[   21.983406][  T289] RSP: 0018:ffffc90000b07be8 EFLAGS: 00010293
[   21.989320][  T289] RAX: ffffffff81b77c41 RBX: 0000000000000000 RCX: ffff88810d318000
[   21.997110][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.005026][  T289] RBP: ffffc90000b07c10 R08: ffffffff81b77bc4 R09: 0000000000000003
[   22.012869][  T289] R10: fffff52000160f6c R11: dffffc0000000001 R12: dffffc0000000000
[   22.020665][  T289] R13: 1ffff11021a6a6e1 R14: ffff88810d3536c0 R15: ffff88810d353708
[   22.028475][  T289] FS:  0000555563c9c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.037239][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.043636][  T289] CR2: 0000562014571738 CR3: 000000010cba6000 CR4: 00000000003506a0
[   22.051476][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.059277][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.067094][  T289] Call Trace:
[   22.070212][  T289]  ? show_regs+0x58/0x60
[   22.074275][  T289]  ? __warn+0x160/0x2f0
[   22.078311][  T289]  ? drop_nlink+0xc1/0x110
[   22.082530][  T289]  ? report_bug+0x3d9/0x5b0
[   22.086890][  T289]  ? drop_nlink+0xc1/0x110
[   22.091114][  T289]  ? handle_bug+0x41/0x70
[   22.095279][  T289]  ? exc_invalid_op+0x1b/0x50
[   22.099818][  T289]  ? asm_exc_invalid_op+0x12/0x20
[   22.104658][  T289]  ? drop_nlink+0x44/0x110
[   22.108932][  T289]  ? drop_nlink+0xc1/0x110
[   22.113251][  T289]  ? drop_nlink+0xc1/0x110
[   22.117556][  T289]  ? drop_nlink+0xc1/0x110
[   22.121762][  T289]  shmem_rmdir+0x59/0x90
[   22.125835][  T289]  vfs_rmdir+0x2b7/0x3f0
[   22.129946][  T289]  incfs_kill_sb+0x108/0x220
[   22.134342][  T289]  deactivate_locked_super+0xad/0x110
[   22.139610][  T289]  deactivate_super+0xbe/0xf0
[   22.144061][  T289]  cleanup_mnt+0x45c/0x510
[   22.148333][  T289]  __cleanup_mnt+0x19/0x20
[   22.152563][  T289]  task_work_run+0x129/0x190
[   22.157014][  T289]  ptrace_notify+0x29e/0x350
[   22.161418][  T289]  ? do_notify_parent+0xa10/0xa10
[   22.166274][  T289]  ? user_path_at_empty+0x40/0x50
[   22.171164][  T289]  ? __x64_sys_umount+0x122/0x170
[   22.175999][  T289]  ? path_umount+0xea0/0xea0
[   22.180450][  T289]  syscall_exit_to_user_mode+0xf5/0x1a0
[   22.185804][  T289]  do_syscall_64+0x40/0x70
[   22.190089][  T289]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   22.195784][  T289] RIP: 0033:0x7f41b2929a07
[   22.200070][  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
[   22.219492][  T289] RSP: 002b:00007ffcc0e6ec78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   22.227740][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f41b2929a07
[   22.235533][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0e6ed30
[   22.243375][  T289] RBP: 00007ffcc0e6ed30 R08: 0000000000000000 R09: 0000000000000000
[   22.251170][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcc0e6fe20
[   22.259004][  T289] R13: 0000555563ca5700 R14: 00007ffcc0e70e90 R15: 0000000000000001
[   22.266795][  T289] ---[ end trace f3e53a95cc55f790 ]---
[   22.272104][  T289] ==================================================================
[   22.279973][  T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   22.286044][  T289] Write of size 4 at addr 0000000000000170 by task syz-executor311/289
[   22.294113][  T289] 
[   22.296290][  T289] CPU: 1 PID: 289 Comm: syz-executor311 Tainted: G        W         5.10.226-syzkaller #0
[   22.306002][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.315899][  T289] Call Trace:
[   22.319031][  T289]  dump_stack_lvl+0x1e2/0x24b
[   22.323544][  T289]  ? panic+0x812/0x812
[   22.327444][  T289]  ? bfq_pos_tree_add_move+0x43b/0x43b
[   22.332738][  T289]  ? _raw_spin_lock+0xa4/0x1b0
[   22.337427][  T289]  ? _raw_spin_trylock_bh+0x190/0x190
[   22.342636][  T289]  kasan_report+0x167/0x1c0
[   22.346974][  T289]  ? ihold+0x20/0x60
[   22.350703][  T289]  ? ihold+0x20/0x60
[   22.354436][  T289]  kasan_check_range+0x293/0x2a0
[   22.359215][  T289]  __kasan_check_write+0x14/0x20
[   22.363982][  T289]  ihold+0x20/0x60
[   22.367543][  T289]  vfs_rmdir+0x200/0x3f0
[   22.371619][  T289]  incfs_kill_sb+0x108/0x220
[   22.376052][  T289]  deactivate_locked_super+0xad/0x110
[   22.381260][  T289]  deactivate_super+0xbe/0xf0
[   22.385768][  T289]  cleanup_mnt+0x45c/0x510
[   22.390021][  T289]  __cleanup_mnt+0x19/0x20
[   22.394277][  T289]  task_work_run+0x129/0x190
[   22.398701][  T289]  ptrace_notify+0x29e/0x350
[   22.403124][  T289]  ? do_notify_parent+0xa10/0xa10
[   22.407991][  T289]  ? user_path_at_empty+0x40/0x50
[   22.412848][  T289]  ? __x64_sys_umount+0x122/0x170
[   22.417709][  T289]  ? path_umount+0xea0/0xea0
[   22.422139][  T289]  syscall_exit_to_user_mode+0xf5/0x1a0
[   22.427515][  T289]  do_syscall_64+0x40/0x70
[   22.431769][  T289]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   22.437495][  T289] RIP: 0033:0x7f41b2929a07
[   22.441748][  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
[   22.461190][  T289] RSP: 002b:00007ffcc0e6ec78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   22.469433][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f41b2929a07
[   22.477244][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0e6ed30
[   22.485055][  T289] RBP: 00007ffcc0e6ed30 R08: 0000000000000000 R09: 0000000000000000
[   22.492865][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcc0e6fe20
[   22.500678][  T289] R13: 0000555563ca5700 R14: 00007ffcc0e70e90 R15: 0000000000000001
[   22.508488][  T289] ==================================================================
[   22.516384][  T289] Disabling lock debugging due to kernel taint
[   22.522462][  T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   22.530018][  T289] #PF: supervisor write access in kernel mode
[   22.535914][  T289] #PF: error_code(0x0002) - not-present page
[   22.541730][  T289] PGD 0 P4D 0 
[   22.544940][  T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[   22.549976][  T289] CPU: 1 PID: 289 Comm: syz-executor311 Tainted: G    B   W         5.10.226-syzkaller #0
[   22.559695][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.569595][  T289] RIP: 0010:ihold+0x25/0x60
[   22.573930][  T289] 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
[   22.593372][  T289] RSP: 0018:ffffc90000b07c28 EFLAGS: 00010246
[   22.599275][  T289] RAX: ffff88810d318000 RBX: 0000000000000001 RCX: ffff88810d318000
[   22.607082][  T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   22.614894][  T289] RBP: ffffc90000b07c38 R08: ffffffff813e2a7b R09: 0000000000000003
[   22.622705][  T289] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[   22.630519][  T289] R13: ffff88810cda1440 R14: 0000000000000000 R15: 0000000000000000
[   22.638331][  T289] FS:  0000555563c9c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.647100][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.653517][  T289] CR2: 0000000000000170 CR3: 000000010cba6000 CR4: 00000000003506a0
[   22.661331][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.669318][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.677124][  T289] Call Trace:
[   22.680260][  T289]  ? __die_body+0x62/0xb0
[   22.684418][  T289]  ? __die+0x7e/0x90
[   22.688152][  T289]  ? no_context+0x9f9/0xd20
[   22.692493][  T289]  ? is_prefetch+0x5c0/0x5c0
[   22.696917][  T289]  ? preempt_schedule+0xd9/0xe0
[   22.701604][  T289]  ? __kasan_check_read+0x11/0x20
[   22.706550][  T289]  ? preempt_schedule_common+0xbe/0xf0
[   22.711843][  T289]  ? preempt_schedule+0xd9/0xe0
[   22.716531][  T289]  ? schedule_preempt_disabled+0x20/0x20
[   22.722001][  T289]  ? sysvec_apic_timer_interrupt+0xcb/0xe0
[   22.727643][  T289]  ? __bad_area_nosemaphore+0xc4/0x430
[   22.732935][  T289]  ? bad_area_nosemaphore+0x2d/0x40
[   22.737971][  T289]  ? exc_page_fault+0x3df/0x5b0
[   22.742656][  T289]  ? asm_exc_page_fault+0x1e/0x30
[   22.747516][  T289]  ? check_panic_on_warn+0x5b/0xb0
[   22.752464][  T289]  ? ihold+0x25/0x60
[   22.756194][  T289]  ? ihold+0x20/0x60
[   22.759927][  T289]  vfs_rmdir+0x200/0x3f0
[   22.764014][  T289]  incfs_kill_sb+0x108/0x220
[   22.768452][  T289]  deactivate_locked_super+0xad/0x110
[   22.773652][  T289]  deactivate_super+0xbe/0xf0
[   22.778160][  T289]  cleanup_mnt+0x45c/0x510
[   22.782408][  T289]  __cleanup_mnt+0x19/0x20
[   22.786662][  T289]  task_work_run+0x129/0x190
[   22.791086][  T289]  ptrace_notify+0x29e/0x350
[   22.795514][  T289]  ? do_notify_parent+0xa10/0xa10
[   22.800373][  T289]  ? user_path_at_empty+0x40/0x50
[   22.805234][  T289]  ? __x64_sys_umount+0x122/0x170
[   22.810090][  T289]  ? path_umount+0xea0/0xea0
[   22.814519][  T289]  syscall_exit_to_user_mode+0xf5/0x1a0
[   22.819898][  T289]  do_syscall_64+0x40/0x70
[   22.824152][  T289]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   22.829880][  T289] RIP: 0033:0x7f41b2929a07
[   22.834134][  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
[   22.853572][  T289] RSP: 002b:00007ffcc0e6ec78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   22.861817][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f41b2929a07
[   22.869627][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0e6ed30
[   22.877438][  T289] RBP: 00007ffcc0e6ed30 R08: 0000000000000000 R09: 0000000000000000
[   22.885260][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcc0e6fe20
[   22.893064][  T289] R13: 0000555563ca5700 R14: 00007ffcc0e70e90 R15: 0000000000000001
[   22.900881][  T289] Modules linked in:
[   22.904624][  T289] CR2: 0000000000000170
[   22.908610][  T289] ---[ end trace f3e53a95cc55f791 ]---
[   22.913905][  T289] RIP: 0010:ihold+0x25/0x60
[   22.918234][  T289] 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
[   22.937675][  T289] RSP: 0018:ffffc90000b07c28 EFLAGS: 00010246
[   22.943573][  T289] RAX: ffff88810d318000 RBX: 0000000000000001 RCX: ffff88810d318000
[   22.951383][  T289] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   22.959264][  T289] RBP: ffffc90000b07c38 R08: ffffffff813e2a7b R09: 0000000000000003
[   22.967022][  T289] R10: fffffbfff0e10c48 R11: dffffc0000000001 R12: dffffc0000000000
[   22.974821][  T289] R13: ffff88810cda1440 R14: 0000000000000000 R15: 0000000000000000
[   22.982633][  T289] FS:  0000555563c9c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.991396][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.997817][  T289] CR2: 0000000000000170 CR3: 000000010cba6000 CR4: 00000000003506a0
[   23.005629][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.013438][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.021250][  T289] Kernel panic - not syncing: Fatal exception
[   23.027329][  T289] Kernel Offset: disabled
[   23.031446][  T289] Rebooting in 86400 seconds..