./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2827364685

<...>
Warning: Permanently added '10.128.1.107' (ED25519) to the list of known hosts.
execve("./syz-executor2827364685", ["./syz-executor2827364685"], 0x7ffc39a4d3c0 /* 10 vars */) = 0
brk(NULL)                               = 0x55558c604000
brk(0x55558c604d00)                     = 0x55558c604d00
arch_prctl(ARCH_SET_FS, 0x55558c604380) = 0
set_tid_address(0x55558c604650)         = 295
set_robust_list(0x55558c604660, 24)     = 0
rseq(0x55558c604ca0, 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-executor2827364685", 4096) = 28
getrandom("\x8a\xc4\xe3\xa9\xa5\xab\xca\x53", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558c604d00
brk(0x55558c625d00)                     = 0x55558c625d00
brk(0x55558c626000)                     = 0x55558c626000
mprotect(0x7fcaa1dbd000, 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.whNO6W", 0700)       = 0
chmod("./syzkaller.whNO6W", 0777)       = 0
chdir("./syzkaller.whNO6W")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c604650) = 296
./strace-static-x86_64: Process 296 attached
[pid   296] set_robust_list(0x55558c604660, 24) = 0
[pid   296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   296] getppid()                   = 0
[pid   296] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   296] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   296] unshare(CLONE_NEWNS)        = 0
[pid   296] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   296] unshare(CLONE_NEWCGROUP)    = 0
[pid   296] unshare(CLONE_NEWUTS)       = 0
[pid   296] unshare(CLONE_SYSVSEM)      = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   296] getpid()                    = 1
[pid   296] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   296] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   296] unshare(CLONE_NEWNET)       = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "0 65535", 7)      = 7
[pid   296] close(3)                    = 0
[pid   296] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   296] write(3, "100000", 6)       = 6
[pid   296] close(3)                    = 0
[pid   296] mkdir("./syz-tmp", 0777)    = 0
[pid   296] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   296] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   296] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   296] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   296] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   296] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   296] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   296] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   296] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   296] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   296] chdir("/")                  = 0
[   22.641377][   T30] audit: type=1400 audit(1737966208.434:66): avc:  denied  { execmem } for  pid=295 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   22.650909][   T30] audit: type=1400 audit(1737966208.444:67): avc:  denied  { mounton } for  pid=296 comm="syz-executor282" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   296] umount2("./pivot", MNT_DETACH) = 0
[pid   296] chroot("./newroot")         = 0
[pid   296] chdir("/")                  = 0
[pid   296] mkdir("/dev/gadgetfs", 0777) = 0
[pid   296] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   296] mkdir("/dev/binderfs", 0777) = 0
[pid   296] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   296] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   296] mkdir("./0", 0777)          = 0
[pid   296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558c604650) = 2
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x55558c604660, 24) = 0
[pid   297] chdir("./0")                = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] setpgid(0, 0)               = 0
[   22.670407][   T30] audit: type=1400 audit(1737966208.464:68): avc:  denied  { mounton } for  pid=296 comm="syz-executor282" path="/root/syzkaller.whNO6W/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.694912][   T30] audit: type=1400 audit(1737966208.464:69): avc:  denied  { mount } for  pid=296 comm="syz-executor282" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   22.698152][  T296] request_module fs-gadgetfs succeeded, but still no fs?
[pid   297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "1000", 4)         = 4
[pid   297] close(3)                    = 0
[pid   297] symlink("/dev/binderfs", "./binderfs") = 0
[pid   297] write(1, "executing program\n", 18executing program
) = 18
[pid   297] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   297] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   297] mount("./file0", "./file0", "incremental-fs", MS_RDONLY, NULL) = 0
[pid   297] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   297] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   297] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   297] exit_group(0)               = ?
[pid   297] +++ exited with 0 +++
[pid   296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   296] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   296] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   296] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(3, 0x55558c6056f0 /* 6 entries */, 32768) = 176
[pid   296] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   296] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(4, 0x55558c60d730 /* 2 entries */, 32768) = 48
[pid   296] getdents64(4, 0x55558c60d730 /* 0 entries */, 32768) = 0
[pid   296] close(4)                    = 0
[pid   296] rmdir("./0/.incomplete")    = 0
[pid   296] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   296] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   296] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   296] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   296] getdents64(4, 0x55558c60d730 /* 2 entries */, 32768) = 48
[pid   296] getdents64(4, 0x55558c60d730 /* 0 entries */, 32768) = 0
[pid   296] close(4)                    = 0
[pid   296] rmdir("./0/.index")         = 0
[   22.717355][   T30] audit: type=1400 audit(1737966208.464:70): avc:  denied  { mounton } for  pid=296 comm="syz-executor282" path="/root/syzkaller.whNO6W/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   22.747318][  T297] incfs: ino conflict with backing FS 8
[   22.748955][   T30] audit: type=1400 audit(1737966208.464:71): avc:  denied  { mount } for  pid=296 comm="syz-executor282" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   22.776015][   T30] audit: type=1400 audit(1737966208.464:72): avc:  denied  { mounton } for  pid=296 comm="syz-executor282" path="/root/syzkaller.whNO6W/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[   22.802541][   T30] audit: type=1400 audit(1737966208.464:73): avc:  denied  { mounton } for  pid=296 comm="syz-executor282" path="/root/syzkaller.whNO6W/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=432 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   22.803012][  T296] ------------[ cut here ]------------
[   22.829987][   T30] audit: type=1400 audit(1737966208.464:74): avc:  denied  { unmount } for  pid=296 comm="syz-executor282" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   22.830017][   T30] audit: type=1400 audit(1737966208.484:75): avc:  denied  { mounton } for  pid=296 comm="syz-executor282" path="/dev/gadgetfs" dev="devtmpfs" ino=514 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   22.877482][  T296] WARNING: CPU: 0 PID: 296 at fs/inode.c:307 drop_nlink+0xc1/0x110
[   22.885326][  T296] Modules linked in:
[   22.889048][  T296] CPU: 0 PID: 296 Comm: syz-executor282 Not tainted 5.15.176-syzkaller-00972-g829d9f138569 #0
[   22.899271][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   22.909228][  T296] RIP: 0010:drop_nlink+0xc1/0x110
[   22.914055][  T296] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 97 f4 f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 6f 8d ae ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   22.933620][  T296] RSP: 0018:ffffc90000967bc8 EFLAGS: 00010293
[   22.939468][  T296] RAX: ffffffff81c1def1 RBX: 0000000000000000 RCX: ffff88810ce162c0
[   22.947327][  T296] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.955109][  T296] RBP: ffffc90000967bf0 R08: ffffffff81c1de74 R09: 0000000000000003
[   22.962921][  T296] R10: fffff5200012cf68 R11: dffffc0000000001 R12: dffffc0000000000
[   22.970814][  T296] R13: 1ffff1102460174b R14: ffff88812300ba10 R15: ffff88812300ba58
[   22.978601][  T296] FS:  000055558c604380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.987487][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.993987][  T296] CR2: 000055558c615738 CR3: 000000012080d000 CR4: 00000000003506b0
[   23.001805][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.009585][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.017438][  T296] Call Trace:
[   23.020540][  T296]  <TASK>
[   23.023298][  T296]  ? show_regs+0x58/0x60
[   23.027378][  T296]  ? __warn+0x160/0x2f0
[   23.031400][  T296]  ? drop_nlink+0xc1/0x110
[   23.035633][  T296]  ? report_bug+0x3d9/0x5b0
[   23.039961][  T296]  ? drop_nlink+0xc1/0x110
[   23.044252][  T296]  ? handle_bug+0x41/0x70
[   23.048430][  T296]  ? exc_invalid_op+0x1b/0x50
[   23.052931][  T296]  ? asm_exc_invalid_op+0x1b/0x20
[   23.057757][  T296]  ? drop_nlink+0x44/0x110
[   23.062042][  T296]  ? drop_nlink+0xc1/0x110
[   23.066264][  T296]  ? drop_nlink+0xc1/0x110
[   23.070547][  T296]  ? drop_nlink+0xc1/0x110
[   23.074773][  T296]  shmem_rmdir+0x59/0x90
[   23.078933][  T296]  vfs_rmdir+0x324/0x470
[   23.083044][  T296]  incfs_kill_sb+0x113/0x230
[   23.087467][  T296]  deactivate_locked_super+0xad/0x110
[   23.092680][  T296]  deactivate_super+0xbe/0xf0
[   23.097160][  T296]  cleanup_mnt+0x45c/0x510
[   23.101483][  T296]  __cleanup_mnt+0x19/0x20
[   23.105670][  T296]  task_work_run+0x129/0x190
[   23.110135][  T296]  ptrace_notify+0x29e/0x350
[   23.114528][  T296]  ? do_notify_parent+0xa30/0xa30
[   23.119388][  T296]  ? user_path_at_empty+0x14e/0x1a0
[   23.124519][  T296]  ? __x64_sys_umount+0x122/0x170
[   23.129375][  T296]  ? path_umount+0xea0/0xea0
[   23.133853][  T296]  syscall_exit_to_user_mode+0xa3/0x160
[   23.139180][  T296]  do_syscall_64+0x47/0xb0
[   23.143468][  T296]  ? clear_bhb_loop+0x35/0x90
[   23.147943][  T296]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   23.153721][  T296] RIP: 0033:0x7fcaa1d4aa47
[   23.157927][  T296] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   23.177431][  T296] RSP: 002b:00007ffeefdcc608 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.185631][  T296] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcaa1d4aa47
[   23.193546][  T296] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeefdcc6c0
[   23.201398][  T296] RBP: 00007ffeefdcc6c0 R08: 0000000000000000 R09: 0000000000000000
[   23.209142][  T296] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffeefdcd730
[   23.217003][  T296] R13: 000055558c6056c0 R14: 00007ffeefdcd730 R15: 0000000000000001
[   23.224814][  T296]  </TASK>
[   23.227616][  T296] ---[ end trace 287afc497417f8f3 ]---
[   23.233007][  T296] ==================================================================
[   23.240817][  T296] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   23.246883][  T296] Write of size 4 at addr 0000000000000170 by task syz-executor282/296
[   23.254955][  T296] 
[   23.257127][  T296] CPU: 0 PID: 296 Comm: syz-executor282 Tainted: G        W         5.15.176-syzkaller-00972-g829d9f138569 #0
[   23.268582][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   23.278480][  T296] Call Trace:
[   23.281600][  T296]  <TASK>
[   23.284381][  T296]  dump_stack_lvl+0x151/0x1c0
[   23.288893][  T296]  ? io_uring_drop_tctx_refs+0x190/0x190
[   23.294359][  T296]  ? _raw_spin_lock+0xa4/0x1b0
[   23.298960][  T296]  ? _raw_spin_trylock_bh+0x190/0x190
[   23.304171][  T296]  kasan_report+0x16f/0x1c0
[   23.308509][  T296]  ? ihold+0x20/0x60
[   23.312239][  T296]  ? ihold+0x20/0x60
[   23.315971][  T296]  kasan_check_range+0x293/0x2a0
[   23.320746][  T296]  __kasan_check_write+0x14/0x20
[   23.325529][  T296]  ihold+0x20/0x60
[   23.329075][  T296]  vfs_rmdir+0x201/0x470
[   23.333158][  T296]  incfs_kill_sb+0x113/0x230
[   23.337597][  T296]  deactivate_locked_super+0xad/0x110
[   23.342789][  T296]  deactivate_super+0xbe/0xf0
[   23.347304][  T296]  cleanup_mnt+0x45c/0x510
[   23.351557][  T296]  __cleanup_mnt+0x19/0x20
[   23.355809][  T296]  task_work_run+0x129/0x190
[   23.360234][  T296]  ptrace_notify+0x29e/0x350
[   23.364670][  T296]  ? do_notify_parent+0xa30/0xa30
[   23.369619][  T296]  ? user_path_at_empty+0x14e/0x1a0
[   23.374655][  T296]  ? __x64_sys_umount+0x122/0x170
[   23.379519][  T296]  ? path_umount+0xea0/0xea0
[   23.383939][  T296]  syscall_exit_to_user_mode+0xa3/0x160
[   23.389323][  T296]  do_syscall_64+0x47/0xb0
[   23.393579][  T296]  ? clear_bhb_loop+0x35/0x90
[   23.398089][  T296]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   23.403817][  T296] RIP: 0033:0x7fcaa1d4aa47
[   23.408071][  T296] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   23.427628][  T296] RSP: 002b:00007ffeefdcc608 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.435957][  T296] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcaa1d4aa47
[   23.443771][  T296] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeefdcc6c0
[   23.451584][  T296] RBP: 00007ffeefdcc6c0 R08: 0000000000000000 R09: 0000000000000000
[   23.459394][  T296] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffeefdcd730
[   23.467202][  T296] R13: 000055558c6056c0 R14: 00007ffeefdcd730 R15: 0000000000000001
[   23.475018][  T296]  </TASK>
[   23.477878][  T296] ==================================================================
[   23.485777][  T296] Disabling lock debugging due to kernel taint
[   23.491949][  T296] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   23.499492][  T296] #PF: supervisor write access in kernel mode
[   23.505392][  T296] #PF: error_code(0x0002) - not-present page
[   23.511209][  T296] PGD 0 P4D 0 
[   23.514513][  T296] Oops: 0002 [#1] PREEMPT SMP KASAN
[   23.519538][  T296] CPU: 0 PID: 296 Comm: syz-executor282 Tainted: G    B   W         5.15.176-syzkaller-00972-g829d9f138569 #0
[   23.531083][  T296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   23.540977][  T296] RIP: 0010:ihold+0x25/0x60
[   23.545312][  T296] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 81 85 ae ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 ec 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 04 89 ae
[   23.564759][  T296] RSP: 0018:ffffc90000967c08 EFLAGS: 00010246
[   23.570656][  T296] RAX: ffff88810ce16200 RBX: 0000000000000001 RCX: ffff88810ce162c0
[   23.578469][  T296] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   23.586298][  T296] RBP: ffffc90000967c18 R08: ffffffff8141a99b R09: 0000000000000003
[   23.594092][  T296] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   23.601907][  T296] R13: ffff888109beedd0 R14: 0000000000000000 R15: 1ffff1102137ddc0
[   23.609714][  T296] FS:  000055558c604380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.618656][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.625075][  T296] CR2: 0000000000000170 CR3: 000000012080d000 CR4: 00000000003506b0
[   23.632891][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.640704][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.648518][  T296] Call Trace:
[   23.651637][  T296]  <TASK>
[   23.654417][  T296]  ? __die_body+0x62/0xb0
[   23.658576][  T296]  ? __die+0x7e/0x90
[   23.662338][  T296]  ? page_fault_oops+0x7f9/0xa90
[   23.667083][  T296]  ? __kasan_check_write+0x14/0x20
[   23.672032][  T296]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   23.677412][  T296]  ? __schedule+0xcd4/0x1590
[   23.681846][  T296]  ? exc_page_fault+0x510/0x7f0
[   23.686529][  T296]  ? asm_exc_page_fault+0x27/0x30
[   23.691388][  T296]  ? check_panic_on_warn+0x5b/0xb0
[   23.696334][  T296]  ? ihold+0x25/0x60
[   23.700065][  T296]  ? ihold+0x20/0x60
[   23.703898][  T296]  vfs_rmdir+0x201/0x470
[   23.707975][  T296]  incfs_kill_sb+0x113/0x230
[   23.712513][  T296]  deactivate_locked_super+0xad/0x110
[   23.717805][  T296]  deactivate_super+0xbe/0xf0
[   23.722343][  T296]  cleanup_mnt+0x45c/0x510
[   23.726572][  T296]  __cleanup_mnt+0x19/0x20
[   23.730824][  T296]  task_work_run+0x129/0x190
[   23.735250][  T296]  ptrace_notify+0x29e/0x350
[   23.739676][  T296]  ? do_notify_parent+0xa30/0xa30
[   23.744535][  T296]  ? user_path_at_empty+0x14e/0x1a0
[   23.749581][  T296]  ? __x64_sys_umount+0x122/0x170
[   23.754436][  T296]  ? path_umount+0xea0/0xea0
[   23.758858][  T296]  syscall_exit_to_user_mode+0xa3/0x160
[   23.764276][  T296]  do_syscall_64+0x47/0xb0
[   23.768492][  T296]  ? clear_bhb_loop+0x35/0x90
[   23.773003][  T296]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   23.778734][  T296] RIP: 0033:0x7fcaa1d4aa47
[   23.782987][  T296] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   23.802546][  T296] RSP: 002b:00007ffeefdcc608 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   23.810788][  T296] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcaa1d4aa47
[   23.818598][  T296] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeefdcc6c0
[   23.826411][  T296] RBP: 00007ffeefdcc6c0 R08: 0000000000000000 R09: 0000000000000000
[   23.834220][  T296] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffeefdcd730
[   23.842037][  T296] R13: 000055558c6056c0 R14: 00007ffeefdcd730 R15: 0000000000000001
[   23.849855][  T296]  </TASK>
[   23.852707][  T296] Modules linked in:
[   23.856454][  T296] CR2: 0000000000000170
[   23.860533][  T296] ---[ end trace 287afc497417f8f4 ]---
[   23.865812][  T296] RIP: 0010:ihold+0x25/0x60
[   23.870158][  T296] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 81 85 ae ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 ec 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 04 89 ae
[   23.889594][  T296] RSP: 0018:ffffc90000967c08 EFLAGS: 00010246
[   23.895500][  T296] RAX: ffff88810ce16200 RBX: 0000000000000001 RCX: ffff88810ce162c0
[   23.903309][  T296] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   23.911121][  T296] RBP: ffffc90000967c18 R08: ffffffff8141a99b R09: 0000000000000003
[   23.918931][  T296] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   23.926742][  T296] R13: ffff888109beedd0 R14: 0000000000000000 R15: 1ffff1102137ddc0
[   23.934555][  T296] FS:  000055558c604380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.943321][  T296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.949751][  T296] CR2: 0000000000000170 CR3: 000000012080d000 CR4: 00000000003506b0
[   23.957554][  T296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.965365][  T296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.973184][  T296] Kernel panic - not syncing: Fatal exception
[   23.979402][  T296] Kernel Offset: disabled
[   23.983532][  T296] Rebooting in 86400 seconds..