./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3652748695

<...>
Warning: Permanently added '10.128.0.143' (ED25519) to the list of known hosts.
execve("./syz-executor3652748695", ["./syz-executor3652748695"], 0x7ffee0e55480 /* 10 vars */) = 0
brk(NULL)                               = 0x555555b83000
brk(0x555555b83d00)                     = 0x555555b83d00
arch_prctl(ARCH_SET_FS, 0x555555b83380) = 0
set_tid_address(0x555555b83650)         = 296
set_robust_list(0x555555b83660, 24)     = 0
rseq(0x555555b83ca0, 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-executor3652748695", 4096) = 28
getrandom("\x10\xf9\x9b\xfe\x5f\x0d\xc7\xe6", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555555b83d00
brk(0x555555ba4d00)                     = 0x555555ba4d00
brk(0x555555ba5000)                     = 0x555555ba5000
mprotect(0x7f9fa9f0c000, 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.nQAE01", 0700)       = 0
chmod("./syzkaller.nQAE01", 0777)       = 0
chdir("./syzkaller.nQAE01")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b83650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x555555b83660, 24) = 0
[pid   297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] setsid()                    = 1
[pid   297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   297] unshare(CLONE_NEWNS)        = 0
[pid   297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   297] unshare(CLONE_NEWCGROUP)    = 0
[pid   297] unshare(CLONE_NEWUTS)       = 0
[pid   297] unshare(CLONE_SYSVSEM)      = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] getpid()                    = 1
[pid   297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   297] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   297] unshare(CLONE_NEWNET)       = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "0 65535", 7)      = 7
[pid   297] close(3)                    = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "100000", 6)       = 6
[pid   297] close(3)                    = 0
[pid   297] mkdir("./syz-tmp", 0777)    = 0
[pid   297] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   297] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   297] chdir("/")                  = 0
[pid   297] umount2("./pivot", MNT_DETACH) = 0
[pid   297] chroot("./newroot")         = 0
[pid   297] chdir("/")                  = 0
[pid   297] mkdir("/dev/binderfs", 0777) = 0
[   24.755149][   T28] audit: type=1400 audit(1720841482.413:66): avc:  denied  { execmem } for  pid=296 comm="syz-executor365" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.774620][   T28] audit: type=1400 audit(1720841482.423:67): avc:  denied  { mounton } for  pid=297 comm="syz-executor365" 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
[pid   297] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   297] mkdir("./0", 0777)          = 0
[pid   297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b83650) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x555555b83660, 24) = 0
[pid   298] chdir("./0")                = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] setpgid(0, 0)               = 0
[pid   298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "1000", 4)         = 4
[pid   298] close(3)                    = 0
[pid   298] symlink("/dev/binderfs", "./binderfs") = 0
[pid   298] write(1, "executing program\n", 18executing program
) = 18
[pid   298] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   298] mount(".", "./file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   298] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   298] exit_group(0)               = ?
[pid   298] +++ exited with 0 +++
[pid   297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   297] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(3, 0x555555b846f0 /* 6 entries */, 32768) = 176
[pid   297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(4, 0x555555b8c730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555555b8c730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.incomplete")    = 0
[pid   297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(4, 0x555555b8c730 /* 2 entries */, 32768) = 48
[pid   297] getdents64(4, 0x555555b8c730 /* 0 entries */, 32768) = 0
[pid   297] close(4)                    = 0
[pid   297] rmdir("./0/.index")         = 0
[   24.802747][   T28] audit: type=1400 audit(1720841482.423:68): avc:  denied  { mount } for  pid=297 comm="syz-executor365" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1
[   24.813617][  T298] incfs: ino conflict with backing FS 8
[   24.825266][   T28] audit: type=1400 audit(1720841482.423:69): avc:  denied  { mounton } for  pid=297 comm="syz-executor365" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   24.852673][   T28] audit: type=1400 audit(1720841482.453:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor365" path="/root/syzkaller.nQAE01/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   24.877140][   T28] audit: type=1400 audit(1720841482.453:71): avc:  denied  { mount } for  pid=297 comm="syz-executor365" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   24.877493][  T297] ------------[ cut here ]------------
[   24.899297][   T28] audit: type=1400 audit(1720841482.453:72): avc:  denied  { mounton } for  pid=297 comm="syz-executor365" path="/root/syzkaller.nQAE01/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
[   24.904526][  T297] WARNING: CPU: 0 PID: 297 at fs/inode.c:332 drop_nlink+0xc1/0x110
[   24.931130][   T28] audit: type=1400 audit(1720841482.453:73): avc:  denied  { mount } for  pid=297 comm="syz-executor365" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   24.940149][  T297] Modules linked in:
[   24.962074][   T28] audit: type=1400 audit(1720841482.463:74): avc:  denied  { unmount } for  pid=297 comm="syz-executor365" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.965683][  T297] CPU: 0 PID: 297 Comm: syz-executor365 Not tainted 6.1.84-syzkaller-00005-g96d66062d076 #0
[   24.985320][   T28] audit: type=1400 audit(1720841482.463:75): avc:  denied  { mounton } for  pid=297 comm="syz-executor365" path="/dev/binderfs" dev="devtmpfs" ino=370 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.995096][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   24.995107][  T297] RIP: 0010:drop_nlink+0xc1/0x110
[   24.995131][  T297] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 67 e8 ef ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9f d9 a8 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   25.052746][  T297] RSP: 0018:ffffc90000d57b30 EFLAGS: 00010293
[   25.058635][  T297] RAX: ffffffff81ccac31 RBX: 0000000000000000 RCX: ffff88811a9cbcc0
[   25.066564][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.074333][  T297] RBP: ffffc90000d57b58 R08: ffffffff81ccabb4 R09: 0000000000000003
[   25.082355][  T297] R10: ffffffffffffffff R11: dffffc0000000001 R12: dffffc0000000000
[   25.090203][  T297] R13: 1ffff110242556b7 R14: ffff8881212ab570 R15: ffff8881212ab5b8
[   25.098075][  T297] FS:  0000555555b83380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.106851][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.113248][  T297] CR2: 00005631e0162308 CR3: 0000000123a6f000 CR4: 00000000003506b0
[   25.121181][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.128967][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.137468][  T297] Call Trace:
[   25.140955][  T297]  <TASK>
[   25.143737][  T297]  ? show_regs+0x58/0x60
[   25.148025][  T297]  ? __warn+0x160/0x3d0
[   25.151958][  T297]  ? drop_nlink+0xc1/0x110
[   25.156264][  T297]  ? report_bug+0x4d5/0x7d0
[   25.160545][  T297]  ? drop_nlink+0xc1/0x110
[   25.165493][  T297]  ? handle_bug+0x41/0x70
[   25.169701][  T297]  ? exc_invalid_op+0x1b/0x50
[   25.174148][  T297]  ? asm_exc_invalid_op+0x1b/0x20
[   25.179136][  T297]  ? drop_nlink+0x44/0x110
[   25.188901][  T297]  ? drop_nlink+0xc1/0x110
[   25.193126][  T297]  ? drop_nlink+0xc1/0x110
[   25.197406][  T297]  shmem_rmdir+0x59/0x90
[   25.201468][  T297]  vfs_rmdir+0x398/0x500
[   25.205568][  T297]  incfs_kill_sb+0x113/0x230
[   25.210098][  T297]  deactivate_locked_super+0xad/0x110
[   25.215263][  T297]  deactivate_super+0xbe/0xf0
[   25.219804][  T297]  cleanup_mnt+0x485/0x510
[   25.224027][  T297]  __cleanup_mnt+0x19/0x20
[   25.228323][  T297]  task_work_run+0x24d/0x2e0
[   25.232708][  T297]  ? task_work_cancel+0x2b0/0x2b0
[   25.237607][  T297]  ptrace_notify+0x29e/0x350
[   25.241990][  T297]  ? do_notify_parent+0xa20/0xa20
[   25.247298][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   25.252315][  T297]  ? __x64_sys_umount+0x122/0x170
[   25.257567][  T297]  ? path_umount+0xe70/0xe70
[   25.261941][  T297]  syscall_exit_to_user_mode+0x99/0x130
[   25.267420][  T297]  do_syscall_64+0x49/0xb0
[   25.272005][  T297]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   25.278006][  T297] RIP: 0033:0x7f9fa9e999a7
[   25.282213][  T297] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.302517][  T297] RSP: 002b:00007ffd7679cd08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.310708][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9fa9e999a7
[   25.318706][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd7679cdc0
[   25.326740][  T297] RBP: 00007ffd7679cdc0 R08: 0000000000000000 R09: 0000000000000000
[   25.334626][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd7679de30
[   25.342639][  T297] R13: 0000555555b846c0 R14: 00007ffd7679de30 R15: 0000000000000001
[   25.351272][  T297]  </TASK>
[   25.354027][  T297] ---[ end trace 0000000000000000 ]---
[   25.359470][  T297] ==================================================================
[   25.367424][  T297] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   25.373758][  T297] Write of size 4 at addr 0000000000000170 by task syz-executor365/297
[   25.381827][  T297] 
[   25.383990][  T297] CPU: 0 PID: 297 Comm: syz-executor365 Tainted: G        W          6.1.84-syzkaller-00005-g96d66062d076 #0
[   25.395694][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   25.406498][  T297] Call Trace:
[   25.409703][  T297]  <TASK>
[   25.412796][  T297]  dump_stack_lvl+0x151/0x1b7
[   25.417384][  T297]  ? nf_tcp_handle_invalid+0x3f1/0x3f1
[   25.422677][  T297]  ? _printk+0xd1/0x111
[   25.426664][  T297]  print_report+0xe1/0x4e0
[   25.430929][  T297]  ? __virt_addr_valid+0x59/0x2f0
[   25.437466][  T297]  ? kasan_addr_to_slab+0xd/0x80
[   25.444663][  T297]  ? ihold+0x20/0x60
[   25.449259][  T297]  kasan_report+0x13c/0x170
[   25.453575][  T297]  ? ihold+0x20/0x60
[   25.457432][  T297]  kasan_check_range+0x294/0x2a0
[   25.462198][  T297]  __kasan_check_write+0x14/0x20
[   25.466968][  T297]  ihold+0x20/0x60
[   25.470528][  T297]  vfs_rmdir+0x268/0x500
[   25.474649][  T297]  incfs_kill_sb+0x113/0x230
[   25.479041][  T297]  deactivate_locked_super+0xad/0x110
[   25.484247][  T297]  deactivate_super+0xbe/0xf0
[   25.488758][  T297]  cleanup_mnt+0x485/0x510
[   25.493122][  T297]  __cleanup_mnt+0x19/0x20
[   25.499297][  T297]  task_work_run+0x24d/0x2e0
[   25.504433][  T297]  ? task_work_cancel+0x2b0/0x2b0
[   25.509259][  T297]  ptrace_notify+0x29e/0x350
[   25.513699][  T297]  ? do_notify_parent+0xa20/0xa20
[   25.518648][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   25.523938][  T297]  ? __x64_sys_umount+0x122/0x170
[   25.528982][  T297]  ? path_umount+0xe70/0xe70
[   25.533409][  T297]  syscall_exit_to_user_mode+0x99/0x130
[   25.538804][  T297]  do_syscall_64+0x49/0xb0
[   25.543033][  T297]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   25.548761][  T297] RIP: 0033:0x7f9fa9e999a7
[   25.553017][  T297] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.572652][  T297] RSP: 002b:00007ffd7679cd08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.580900][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9fa9e999a7
[   25.588823][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd7679cdc0
[   25.596941][  T297] RBP: 00007ffd7679cdc0 R08: 0000000000000000 R09: 0000000000000000
[   25.604843][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd7679de30
[   25.612765][  T297] R13: 0000555555b846c0 R14: 00007ffd7679de30 R15: 0000000000000001
[   25.620582][  T297]  </TASK>
[   25.623425][  T297] ==================================================================
[   25.631487][  T297] Disabling lock debugging due to kernel taint
[   25.637480][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   25.645077][  T297] #PF: supervisor write access in kernel mode
[   25.651365][  T297] #PF: error_code(0x0002) - not-present page
[   25.657184][  T297] PGD 0 P4D 0 
[   25.660378][  T297] Oops: 0002 [#1] PREEMPT SMP KASAN
[   25.665854][  T297] CPU: 0 PID: 297 Comm: syz-executor365 Tainted: G    B   W          6.1.84-syzkaller-00005-g96d66062d076 #0
[   25.677220][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[   25.687226][  T297] RIP: 0010:ihold+0x25/0x60
[   25.691796][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 71 d1 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 10 e0 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 f4 d4 a8
[   25.711325][  T297] RSP: 0018:ffffc90000d57b70 EFLAGS: 00010246
[   25.717228][  T297] RAX: ffff88811a9cbc00 RBX: 0000000000000001 RCX: ffff88811a9cbcc0
[   25.725682][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.733447][  T297] RBP: ffffc90000d57b80 R08: ffffffff81447283 R09: fffffbfff0f264fd
[   25.741284][  T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102425572b
[   25.749074][  T297] R13: ffff88812018f550 R14: 0000000000000000 R15: 1ffff11024031eb0
[   25.756970][  T297] FS:  0000555555b83380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.765737][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.772168][  T297] CR2: 0000000000000170 CR3: 0000000123a6f000 CR4: 00000000003506b0
[   25.780063][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.788471][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.796547][  T297] Call Trace:
[   25.800778][  T297]  <TASK>
[   25.803581][  T297]  ? __die_body+0x62/0xb0
[   25.807712][  T297]  ? __die+0x7e/0x90
[   25.811446][  T297]  ? page_fault_oops+0x7f9/0xa90
[   25.816228][  T297]  ? vprintk_default+0x26/0x30
[   25.820967][  T297]  ? kernelmode_fixup_or_oops+0x270/0x270
[   25.826525][  T297]  ? add_taint+0x44/0xe0
[   25.830632][  T297]  ? panic+0x660/0x660
[   25.834516][  T297]  ? preempt_schedule_thunk+0x16/0x18
[   25.839732][  T297]  ? exc_page_fault+0x537/0x700
[   25.844391][  T297]  ? asm_exc_page_fault+0x27/0x30
[   25.849559][  T297]  ? add_taint+0x93/0xe0
[   25.853627][  T297]  ? ihold+0x25/0x60
[   25.857361][  T297]  vfs_rmdir+0x268/0x500
[   25.861537][  T297]  incfs_kill_sb+0x113/0x230
[   25.865955][  T297]  deactivate_locked_super+0xad/0x110
[   25.871163][  T297]  deactivate_super+0xbe/0xf0
[   25.876305][  T297]  cleanup_mnt+0x485/0x510
[   25.880538][  T297]  __cleanup_mnt+0x19/0x20
[   25.884805][  T297]  task_work_run+0x24d/0x2e0
[   25.889216][  T297]  ? task_work_cancel+0x2b0/0x2b0
[   25.894183][  T297]  ptrace_notify+0x29e/0x350
[   25.898685][  T297]  ? do_notify_parent+0xa20/0xa20
[   25.903559][  T297]  ? user_path_at_empty+0x14e/0x1a0
[   25.908579][  T297]  ? __x64_sys_umount+0x122/0x170
[   25.913687][  T297]  ? path_umount+0xe70/0xe70
[   25.918418][  T297]  syscall_exit_to_user_mode+0x99/0x130
[   25.923809][  T297]  do_syscall_64+0x49/0xb0
[   25.928030][  T297]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   25.933927][  T297] RIP: 0033:0x7f9fa9e999a7
[   25.938160][  T297] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.957612][  T297] RSP: 002b:00007ffd7679cd08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.965848][  T297] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9fa9e999a7
[   25.973662][  T297] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd7679cdc0
[   25.981559][  T297] RBP: 00007ffd7679cdc0 R08: 0000000000000000 R09: 0000000000000000
[   25.989378][  T297] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd7679de30
[   25.997187][  T297] R13: 0000555555b846c0 R14: 00007ffd7679de30 R15: 0000000000000001
[   26.005009][  T297]  </TASK>
[   26.011009][  T297] Modules linked in:
[   26.014738][  T297] CR2: 0000000000000170
[   26.018728][  T297] ---[ end trace 0000000000000000 ]---
[   26.024009][  T297] RIP: 0010:ihold+0x25/0x60
[   26.028352][  T297] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 71 d1 a8 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 10 e0 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 f4 d4 a8
[   26.047886][  T297] RSP: 0018:ffffc90000d57b70 EFLAGS: 00010246
[   26.053871][  T297] RAX: ffff88811a9cbc00 RBX: 0000000000000001 RCX: ffff88811a9cbcc0
[   26.061681][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.069508][  T297] RBP: ffffc90000d57b80 R08: ffffffff81447283 R09: fffffbfff0f264fd
[   26.077299][  T297] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1102425572b
[   26.085125][  T297] R13: ffff88812018f550 R14: 0000000000000000 R15: 1ffff11024031eb0
[   26.092921][  T297] FS:  0000555555b83380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   26.101874][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.108373][  T297] CR2: 0000000000000170 CR3: 0000000123a6f000 CR4: 00000000003506b0
[   26.116194][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.124532][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.132478][  T297] Kernel panic - not syncing: Fatal exception
[   26.138693][  T297] Kernel Offset: disabled
[   26.142929][  T297] Rebooting in 86400 seconds..