./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor659896195

<...>
Warning: Permanently added '10.128.0.94' (ED25519) to the list of known hosts.
execve("./syz-executor659896195", ["./syz-executor659896195"], 0x7ffc62d9d200 /* 10 vars */) = 0
brk(NULL)                               = 0x5555686a4000
brk(0x5555686a4d00)                     = 0x5555686a4d00
arch_prctl(ARCH_SET_FS, 0x5555686a4380) = 0
set_tid_address(0x5555686a4650)         = 300
set_robust_list(0x5555686a4660, 24)     = 0
rseq(0x5555686a4ca0, 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-executor659896195", 4096) = 27
getrandom("\xff\x9e\x8f\x31\x8c\x2c\x88\xf8", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555686a4d00
brk(0x5555686c5d00)                     = 0x5555686c5d00
brk(0x5555686c6000)                     = 0x5555686c6000
mprotect(0x7fb2edd83000, 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.wEsLDB", 0700)       = 0
chmod("./syzkaller.wEsLDB", 0777)       = 0
chdir("./syzkaller.wEsLDB")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555686a4650) = 301
./strace-static-x86_64: Process 301 attached
[pid   301] set_robust_list(0x5555686a4660, 24) = 0
[pid   301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   301] getppid()                   = 0
[pid   301] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   301] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   301] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   301] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   301] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   301] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   301] unshare(CLONE_NEWNS)        = 0
[pid   301] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   301] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   301] unshare(CLONE_NEWCGROUP)    = 0
[pid   301] unshare(CLONE_NEWUTS)       = 0
[pid   301] unshare(CLONE_SYSVSEM)      = 0
[pid   301] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   301] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   301] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   301] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   301] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   301] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   301] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   301] getpid()                    = 1
[pid   301] 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   301] 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   301] unshare(CLONE_NEWNET)       = 0
[pid   301] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   301] write(3, "0 65535", 7)      = 7
[pid   301] close(3)                    = 0
[pid   301] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   301] write(3, "100000", 6)       = 6
[pid   301] close(3)                    = 0
[pid   301] mkdir("./syz-tmp", 0777)    = 0
[   30.839219][   T28] audit: type=1400 audit(1733883872.457:66): avc:  denied  { execmem } for  pid=300 comm="syz-executor659" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   30.861919][   T28] audit: type=1400 audit(1733883872.477:67): avc:  denied  { mounton } for  pid=301 comm="syz-executor659" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   301] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   301] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   301] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   301] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   301] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   301] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   301] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   301] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   301] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   301] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   301] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   301] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   301] 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   301] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   301] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   301] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   301] chdir("/")                  = 0
[pid   301] umount2("./pivot", MNT_DETACH) = 0
[pid   301] chroot("./newroot")         = 0
[pid   301] chdir("/")                  = 0
[pid   301] mkdir("/dev/binderfs", 0777) = 0
[pid   301] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   301] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   301] mkdir("./0", 0777)          = 0
[pid   301] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555686a4650) = 2
./strace-static-x86_64: Process 302 attached
[pid   302] set_robust_list(0x5555686a4660, 24) = 0
[pid   302] chdir("./0")                = 0
[pid   302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   302] setpgid(0, 0)               = 0
[pid   302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   302] write(3, "1000", 4)         = 4
[pid   302] close(3)                    = 0
[pid   302] symlink("/dev/binderfs", "./binderfs") = 0
[pid   302] write(1, "executing program\n", 18executing program
) = 18
[pid   302] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   302] mount(".", "./file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[   30.889137][   T28] audit: type=1400 audit(1733883872.507:68): avc:  denied  { mounton } for  pid=301 comm="syz-executor659" path="/root/syzkaller.wEsLDB/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   30.913531][   T28] audit: type=1400 audit(1733883872.507:69): avc:  denied  { mount } for  pid=301 comm="syz-executor659" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   302] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   302] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   302] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   302] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   302] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   302] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   302] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   302] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   302] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   302] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   302] exit_group(0)               = ?
[pid   302] +++ exited with 0 +++
[pid   301] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   301] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   301] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   301] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   301] getdents64(3, 0x5555686a56f0 /* 6 entries */, 32768) = 176
[pid   301] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   301] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   301] getdents64(4, 0x5555686ad730 /* 2 entries */, 32768) = 48
[pid   301] getdents64(4, 0x5555686ad730 /* 0 entries */, 32768) = 0
[pid   301] close(4)                    = 0
[pid   301] rmdir("./0/.incomplete")    = 0
[pid   301] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   301] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   301] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   301] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   301] getdents64(4, 0x5555686ad730 /* 2 entries */, 32768) = 48
[pid   301] getdents64(4, 0x5555686ad730 /* 0 entries */, 32768) = 0
[pid   301] close(4)                    = 0
[pid   301] rmdir("./0/.index")         = 0
[   30.927916][  T302] incfs: ino conflict with backing FS 8
[   30.935875][   T28] audit: type=1400 audit(1733883872.507:70): avc:  denied  { mounton } for  pid=301 comm="syz-executor659" path="/root/syzkaller.wEsLDB/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   30.966056][   T28] audit: type=1400 audit(1733883872.507:71): avc:  denied  { mount } for  pid=301 comm="syz-executor659" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   30.966225][  T301] ------------[ cut here ]------------
[   30.988162][   T28] audit: type=1400 audit(1733883872.507:72): avc:  denied  { mounton } for  pid=301 comm="syz-executor659" path="/root/syzkaller.wEsLDB/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[   30.993345][  T301] WARNING: CPU: 0 PID: 301 at fs/inode.c:332 drop_nlink+0xc1/0x110
[   31.020178][   T28] audit: type=1400 audit(1733883872.507:73): avc:  denied  { mounton } for  pid=301 comm="syz-executor659" path="/root/syzkaller.wEsLDB/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14692 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   31.027757][  T301] Modules linked in:
[   31.055492][   T28] audit: type=1400 audit(1733883872.507:74): avc:  denied  { unmount } for  pid=301 comm="syz-executor659" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   31.058848][  T301] CPU: 0 PID: 301 Comm: syz-executor659 Not tainted 6.1.115-syzkaller-00010-g0f332d7edcfd #0
[   31.088231][  T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   31.098141][  T301] RIP: 0010:drop_nlink+0xc1/0x110
[   31.102970][  T301] 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
[   31.103029][   T28] audit: type=1400 audit(1733883872.527:75): avc:  denied  { mounton } for  pid=301 comm="syz-executor659" path="/dev/binderfs" dev="devtmpfs" ino=522 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   31.122453][  T301] RSP: 0018:ffffc90000e37b30 EFLAGS: 00010293
[   31.151093][  T301] RAX: ffffffff81cd1551 RBX: 0000000000000000 RCX: ffff88810f656540
[   31.158884][  T301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   31.166694][  T301] RBP: ffffc90000e37b58 R08: ffffffff81cd14d4 R09: 0000000000000003
[   31.174481][  T301] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
[   31.182328][  T301] R13: 1ffff11023dc7a76 R14: ffff88811ee3d368 R15: ffff88811ee3d3b0
[   31.190158][  T301] FS:  00005555686a4380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   31.198928][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.205389][  T301] CR2: 000056158971a338 CR3: 0000000125ae8000 CR4: 00000000003506b0
[   31.213240][  T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.221036][  T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.228860][  T301] Call Trace:
[   31.231944][  T301]  <TASK>
[   31.234828][  T301]  ? show_regs+0x58/0x60
[   31.238961][  T301]  ? __warn+0x160/0x3d0
[   31.243013][  T301]  ? drop_nlink+0xc1/0x110
[   31.247417][  T301]  ? report_bug+0x4d5/0x7d0
[   31.251770][  T301]  ? drop_nlink+0xc1/0x110
[   31.256034][  T301]  ? handle_bug+0x41/0x70
[   31.260241][  T301]  ? exc_invalid_op+0x1b/0x50
[   31.264705][  T301]  ? asm_exc_invalid_op+0x1b/0x20
[   31.269598][  T301]  ? drop_nlink+0x44/0x110
[   31.273811][  T301]  ? drop_nlink+0xc1/0x110
[   31.278120][  T301]  ? drop_nlink+0xc1/0x110
[   31.282323][  T301]  shmem_rmdir+0x59/0x90
[   31.286428][  T301]  vfs_rmdir+0x398/0x500
[   31.290540][  T301]  incfs_kill_sb+0x113/0x230
[   31.294911][  T301]  deactivate_locked_super+0xad/0x110
[   31.300280][  T301]  deactivate_super+0xbe/0xf0
[   31.304719][  T301]  cleanup_mnt+0x485/0x510
[   31.309030][  T301]  __cleanup_mnt+0x19/0x20
[   31.313341][  T301]  task_work_run+0x24d/0x2e0
[   31.317937][  T301]  ? task_work_cancel+0x2e0/0x2e0
[   31.322841][  T301]  ptrace_notify+0x29e/0x350
[   31.327299][  T301]  ? do_notify_parent+0xa20/0xa20
[   31.332113][  T301]  ? user_path_at_empty+0x14e/0x1a0
[   31.337179][  T301]  ? __x64_sys_umount+0x122/0x170
[   31.342183][  T301]  ? path_umount+0xe70/0xe70
[   31.346651][  T301]  syscall_exit_to_user_mode+0x99/0x130
[   31.351991][  T301]  do_syscall_64+0x47/0xb0
[   31.356241][  T301]  ? clear_bhb_loop+0x55/0xb0
[   31.360795][  T301]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   31.366484][  T301] RIP: 0033:0x7fb2edd10a07
[   31.370767][  T301] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   31.390397][  T301] RSP: 002b:00007ffdaaf9d5d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   31.398733][  T301] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb2edd10a07
[   31.406522][  T301] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdaaf9d690
[   31.414422][  T301] RBP: 00007ffdaaf9d690 R08: 0000000000000000 R09: 0000000000000000
[   31.422310][  T301] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdaaf9e700
[   31.430384][  T301] R13: 00005555686a56c0 R14: 00007ffdaaf9e700 R15: 0000000000000001
[   31.438360][  T301]  </TASK>
[   31.441513][  T301] ---[ end trace 0000000000000000 ]---
[   31.446955][  T301] ==================================================================
[   31.454832][  T301] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   31.461117][  T301] Write of size 4 at addr 0000000000000170 by task syz-executor659/301
[   31.469330][  T301] 
[   31.471495][  T301] CPU: 0 PID: 301 Comm: syz-executor659 Tainted: G        W          6.1.115-syzkaller-00010-g0f332d7edcfd #0
[   31.482960][  T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   31.492839][  T301] Call Trace:
[   31.495962][  T301]  <TASK>
[   31.498740][  T301]  dump_stack_lvl+0x151/0x1b7
[   31.503339][  T301]  ? nf_tcp_handle_invalid+0x3f1/0x3f1
[   31.508633][  T301]  ? _printk+0xd1/0x111
[   31.512625][  T301]  print_report+0xe1/0x4e0
[   31.516878][  T301]  ? __virt_addr_valid+0x59/0x2f0
[   31.521751][  T301]  ? kasan_addr_to_slab+0xd/0x80
[   31.526512][  T301]  ? ihold+0x20/0x60
[   31.530258][  T301]  kasan_report+0x13c/0x170
[   31.534623][  T301]  ? ihold+0x20/0x60
[   31.538326][  T301]  kasan_check_range+0x294/0x2a0
[   31.543091][  T301]  __kasan_check_write+0x14/0x20
[   31.547862][  T301]  ihold+0x20/0x60
[   31.551419][  T301]  vfs_rmdir+0x268/0x500
[   31.555505][  T301]  incfs_kill_sb+0x113/0x230
[   31.560058][  T301]  deactivate_locked_super+0xad/0x110
[   31.565247][  T301]  deactivate_super+0xbe/0xf0
[   31.569759][  T301]  cleanup_mnt+0x485/0x510
[   31.574022][  T301]  __cleanup_mnt+0x19/0x20
[   31.578263][  T301]  task_work_run+0x24d/0x2e0
[   31.582689][  T301]  ? task_work_cancel+0x2e0/0x2e0
[   31.587552][  T301]  ptrace_notify+0x29e/0x350
[   31.591976][  T301]  ? do_notify_parent+0xa20/0xa20
[   31.596840][  T301]  ? user_path_at_empty+0x14e/0x1a0
[   31.601984][  T301]  ? __x64_sys_umount+0x122/0x170
[   31.606850][  T301]  ? path_umount+0xe70/0xe70
[   31.611284][  T301]  syscall_exit_to_user_mode+0x99/0x130
[   31.616661][  T301]  do_syscall_64+0x47/0xb0
[   31.621003][  T301]  ? clear_bhb_loop+0x55/0xb0
[   31.625516][  T301]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   31.631240][  T301] RIP: 0033:0x7fb2edd10a07
[   31.635491][  T301] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   31.654936][  T301] RSP: 002b:00007ffdaaf9d5d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   31.663172][  T301] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb2edd10a07
[   31.671082][  T301] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdaaf9d690
[   31.678891][  T301] RBP: 00007ffdaaf9d690 R08: 0000000000000000 R09: 0000000000000000
[   31.686708][  T301] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdaaf9e700
[   31.694657][  T301] R13: 00005555686a56c0 R14: 00007ffdaaf9e700 R15: 0000000000000001
[   31.702679][  T301]  </TASK>
[   31.705536][  T301] ==================================================================
[   31.713557][  T301] Disabling lock debugging due to kernel taint
[   31.719720][  T301] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   31.727511][  T301] #PF: supervisor write access in kernel mode
[   31.733415][  T301] #PF: error_code(0x0002) - not-present page
[   31.739264][  T301] PGD 0 P4D 0 
[   31.742460][  T301] Oops: 0002 [#1] PREEMPT SMP KASAN
[   31.747467][  T301] CPU: 0 PID: 301 Comm: syz-executor659 Tainted: G    B   W          6.1.115-syzkaller-00010-g0f332d7edcfd #0
[   31.758922][  T301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   31.768824][  T301] RIP: 0010:ihold+0x25/0x60
[   31.773330][  T301] 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
[   31.793129][  T301] RSP: 0018:ffffc90000e37b70 EFLAGS: 00010246
[   31.799015][  T301] RAX: ffff88810f656500 RBX: 0000000000000001 RCX: ffff88810f656540
[   31.806816][  T301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   31.814870][  T301] RBP: ffffc90000e37b80 R08: ffffffff8144a503 R09: fffffbfff0f6e2fd
[   31.822689][  T301] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023dc7f2b
[   31.830484][  T301] R13: ffff88812429c550 R14: 0000000000000000 R15: 1ffff110248538b0
[   31.838474][  T301] FS:  00005555686a4380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   31.847453][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.853838][  T301] CR2: 0000000000000170 CR3: 0000000125ae8000 CR4: 00000000003506b0
[   31.861653][  T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.869456][  T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.877440][  T301] Call Trace:
[   31.880586][  T301]  <TASK>
[   31.883347][  T301]  ? __die_body+0x62/0xb0
[   31.887614][  T301]  ? __die+0x7e/0x90
[   31.891361][  T301]  ? page_fault_oops+0x7f9/0xa90
[   31.896161][  T301]  ? vprintk_default+0x26/0x30
[   31.900704][  T301]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   31.906094][  T301]  ? add_taint+0x44/0xe0
[   31.910206][  T301]  ? panic+0x667/0x667
[   31.914066][  T301]  ? preempt_schedule_thunk+0x16/0x18
[   31.919280][  T301]  ? exc_page_fault+0x529/0x6d0
[   31.923972][  T301]  ? asm_exc_page_fault+0x27/0x30
[   31.928829][  T301]  ? add_taint+0x93/0xe0
[   31.932903][  T301]  ? ihold+0x25/0x60
[   31.936645][  T301]  vfs_rmdir+0x268/0x500
[   31.940727][  T301]  incfs_kill_sb+0x113/0x230
[   31.945142][  T301]  deactivate_locked_super+0xad/0x110
[   31.950350][  T301]  deactivate_super+0xbe/0xf0
[   31.954968][  T301]  cleanup_mnt+0x485/0x510
[   31.959290][  T301]  __cleanup_mnt+0x19/0x20
[   31.963547][  T301]  task_work_run+0x24d/0x2e0
[   31.967972][  T301]  ? task_work_cancel+0x2e0/0x2e0
[   31.972831][  T301]  ptrace_notify+0x29e/0x350
[   31.977254][  T301]  ? do_notify_parent+0xa20/0xa20
[   31.982161][  T301]  ? user_path_at_empty+0x14e/0x1a0
[   31.987189][  T301]  ? __x64_sys_umount+0x122/0x170
[   31.992011][  T301]  ? path_umount+0xe70/0xe70
[   31.996437][  T301]  syscall_exit_to_user_mode+0x99/0x130
[   32.001824][  T301]  do_syscall_64+0x47/0xb0
[   32.006079][  T301]  ? clear_bhb_loop+0x55/0xb0
[   32.010708][  T301]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   32.016679][  T301] RIP: 0033:0x7fb2edd10a07
[   32.020921][  T301] 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
[   32.040370][  T301] RSP: 002b:00007ffdaaf9d5d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   32.048618][  T301] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fb2edd10a07
[   32.056426][  T301] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdaaf9d690
[   32.064520][  T301] RBP: 00007ffdaaf9d690 R08: 0000000000000000 R09: 0000000000000000
[   32.072336][  T301] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdaaf9e700
[   32.080130][  T301] R13: 00005555686a56c0 R14: 00007ffdaaf9e700 R15: 0000000000000001
[   32.087948][  T301]  </TASK>
[   32.090918][  T301] Modules linked in:
[   32.094677][  T301] CR2: 0000000000000170
[   32.098618][  T301] ---[ end trace 0000000000000000 ]---
[   32.103918][  T301] RIP: 0010:ihold+0x25/0x60
[   32.108346][  T301] 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
[   32.127871][  T301] RSP: 0018:ffffc90000e37b70 EFLAGS: 00010246
[   32.133776][  T301] RAX: ffff88810f656500 RBX: 0000000000000001 RCX: ffff88810f656540
[   32.141592][  T301] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   32.149396][  T301] RBP: ffffc90000e37b80 R08: ffffffff8144a503 R09: fffffbfff0f6e2fd
[   32.157319][  T301] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11023dc7f2b
[   32.165132][  T301] R13: ffff88812429c550 R14: 0000000000000000 R15: 1ffff110248538b0
[   32.173036][  T301] FS:  00005555686a4380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   32.181885][  T301] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.188449][  T301] CR2: 0000000000000170 CR3: 0000000125ae8000 CR4: 00000000003506b0
[   32.196618][  T301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   32.204416][  T301] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   32.212226][  T301] Kernel panic - not syncing: Fatal exception
[   32.218493][  T301] Kernel Offset: disabled
[   32.222632][  T301] Rebooting in 86400 seconds..