./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3490051211

<...>
Warning: Permanently added '10.128.1.35' (ED25519) to the list of known hosts.
execve("./syz-executor3490051211", ["./syz-executor3490051211"], 0x7fff7cc61580 /* 10 vars */) = 0
brk(NULL)                               = 0x55557104d000
brk(0x55557104de00)                     = 0x55557104de00
arch_prctl(ARCH_SET_FS, 0x55557104d480) = 0
set_tid_address(0x55557104d750)         = 290
set_robust_list(0x55557104d760, 24)     = 0
rseq(0x55557104dda0, 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-executor3490051211", 4096) = 28
getrandom("\xb5\x8a\x01\xbb\xd8\x3d\x51\xbc", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55557104de00
brk(0x55557106ee00)                     = 0x55557106ee00
brk(0x55557106f000)                     = 0x55557106f000
mprotect(0x7f6288de6000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f6288d3cdf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6288d44bf0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f6288d3cdf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f6288d44bf0}, NULL, 8) = 0
mkdir("./syzkaller.tktEx6", 0700)       = 0
chmod("./syzkaller.tktEx6", 0777)       = 0
chdir("./syzkaller.tktEx6")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557104d750) = 291
./strace-static-x86_64: Process 291 attached
[pid   291] set_robust_list(0x55557104d760, 24) = 0
[pid   291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   291] getppid()                   = 0
[pid   291] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   291] unshare(CLONE_NEWNS)        = 0
[pid   291] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   291] unshare(CLONE_NEWCGROUP)    = 0
[pid   291] unshare(CLONE_NEWUTS)       = 0
[pid   291] unshare(CLONE_SYSVSEM)      = 0
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] getpid()                    = 1
[pid   291] 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   291] 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   291] unshare(CLONE_NEWNET)       = 0
[pid   291] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   291] write(3, "0 65535", 7)      = 7
[pid   291] close(3)                    = 0
[pid   291] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   291] write(3, "100000", 6)       = 6
[pid   291] close(3)                    = 0
[pid   291] mkdir("./syz-tmp", 0777)    = 0
[pid   291] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   291] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   291] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   291] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   291] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   291] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   291] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] 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   291] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   291] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   291] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   291] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   291] chdir("/")                  = 0
[   27.333850][   T28] audit: type=1400 audit(1752676174.297:64): avc:  denied  { execmem } for  pid=290 comm="syz-executor349" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   27.355597][   T28] audit: type=1400 audit(1752676174.317:65): avc:  denied  { mounton } for  pid=291 comm="syz-executor349" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   291] umount2("./pivot", MNT_DETACH) = 0
[pid   291] chroot("./newroot")         = 0
[pid   291] chdir("/")                  = 0
[pid   291] mkdir("/dev/gadgetfs", 0777) = 0
[pid   291] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   291] mkdir("/dev/binderfs", 0777) = 0
[pid   291] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[   27.378654][   T28] audit: type=1400 audit(1752676174.347:66): avc:  denied  { mounton } for  pid=291 comm="syz-executor349" path="/root/syzkaller.tktEx6/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   27.403204][   T28] audit: type=1400 audit(1752676174.347:67): avc:  denied  { mount } for  pid=291 comm="syz-executor349" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   27.406622][  T291] request_module fs-gadgetfs succeeded, but still no fs?
[pid   291] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   291] mkdir("./0", 0777)          = 0
[pid   291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   291] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   291] close(3)                    = 0
[pid   291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55557104d750) = 2
./strace-static-x86_64: Process 293 attached
[pid   293] set_robust_list(0x55557104d760, 24) = 0
[pid   293] chdir("./0")                = 0
[pid   293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   293] setpgid(0, 0)               = 0
[pid   293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   293] write(3, "1000", 4)         = 4
[pid   293] close(3)                    = 0
[pid   293] symlink("/dev/binderfs", "./binderfs") = 0
[pid   293] write(1, "executing program\n", 18executing program
) = 18
[pid   293] mkdir("./file0", 0777)      = 0
[pid   293] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   293] mount("./file0", "./file0", "incremental-fs", MS_NOEXEC|MS_NOATIME|MS_STRICTATIME, NULL) = 0
[pid   293] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[   27.425436][   T28] audit: type=1400 audit(1752676174.347:68): avc:  denied  { mounton } for  pid=291 comm="syz-executor349" path="/root/syzkaller.tktEx6/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
[   27.454368][  T293] =======================================================
[   27.454368][  T293] WARNING: The mand mount option has been deprecated and
[   27.454368][  T293]          and is ignored by this kernel. Remove the mand
[pid   293] mount("./file0/file0", "./file0/file0", NULL, MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_BIND|MS_POSIXACL|MS_I_VERSION, NULL) = 0
[pid   293] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   293] exit_group(0)               = ?
[pid   293] +++ exited with 0 +++
[pid   291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=4} ---
[pid   291] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   291] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   291] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(3, 0x55557104e7f0 /* 4 entries */, 32768) = 112
[pid   291] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   291] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   291] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   291] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   291] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(4, 0x555571056830 /* 4 entries */, 32768) = 112
[   27.454368][  T293]          option from the mount to silence this warning.
[   27.454368][  T293] =======================================================
[   27.464194][   T28] audit: type=1400 audit(1752676174.347:69): avc:  denied  { mount } for  pid=291 comm="syz-executor349" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid   291] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   291] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] newfstatat(AT_FDCWD, "./0/file0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   291] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] openat(AT_FDCWD, "./0/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   291] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(5, 0x55557105e870 /* 4 entries */, 32768) = 112
[pid   291] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] newfstatat(AT_FDCWD, "./0/file0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   291] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] openat(AT_FDCWD, "./0/file0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   291] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(6, 0x5555710668b0 /* 2 entries */, 32768) = 48
[pid   291] getdents64(6, 0x5555710668b0 /* 0 entries */, 32768) = 0
[pid   291] close(6)                    = 0
[pid   291] rmdir("./0/file0/file0/.incomplete") = 0
[pid   291] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] newfstatat(AT_FDCWD, "./0/file0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   291] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] openat(AT_FDCWD, "./0/file0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   291] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(6, 0x5555710668b0 /* 2 entries */, 32768) = 48
[pid   291] getdents64(6, 0x5555710668b0 /* 0 entries */, 32768) = 0
[pid   291] close(6)                    = 0
[pid   291] rmdir("./0/file0/file0/.index") = 0
[pid   291] getdents64(5, 0x55557105e870 /* 0 entries */, 32768) = 0
[pid   291] close(5)                    = 0
[pid   291] rmdir("./0/file0/file0")    = -1 EBUSY (Device or resource busy)
[pid   291] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] exit_group(1)               = ?
[   27.514577][   T28] audit: type=1400 audit(1752676174.347:70): avc:  denied  { mounton } for  pid=291 comm="syz-executor349" path="/root/syzkaller.tktEx6/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
[   27.541350][   T28] audit: type=1400 audit(1752676174.347:71): avc:  denied  { mounton } for  pid=291 comm="syz-executor349" path="/root/syzkaller.tktEx6/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14072 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   27.569024][   T28] audit: type=1400 audit(1752676174.347:72): avc:  denied  { unmount } for  pid=291 comm="syz-executor349" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   27.569396][  T291] ------------[ cut here ]------------
[   27.588850][   T28] audit: type=1400 audit(1752676174.367:73): avc:  denied  { mounton } for  pid=291 comm="syz-executor349" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   27.594216][  T291] WARNING: CPU: 1 PID: 291 at fs/inode.c:332 drop_nlink+0xc5/0x110
[   27.625088][  T291] Modules linked in:
[   27.629070][  T291] CPU: 1 PID: 291 Comm: syz-executor349 Not tainted 6.1.141-syzkaller-00039-g145c7fad733f #0
[   27.639264][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.649544][  T291] RIP: 0010:drop_nlink+0xc5/0x110
[   27.654587][  T291] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 d3 eb f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4b 8f ac ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   27.674211][  T291] RSP: 0018:ffffc90000dc7ab8 EFLAGS: 00010293
[   27.680322][  T291] RAX: ffffffff81c36825 RBX: ffff888103bb0448 RCX: ffff8881113a0000
[   27.688331][  T291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   27.696331][  T291] RBP: ffffc90000dc7ae0 R08: 0000000000000004 R09: 0000000000000003
[   27.704310][  T291] R10: fffff520001b8f48 R11: 1ffff920001b8f48 R12: dffffc0000000000
[   27.712337][  T291] R13: 1ffff11020776092 R14: ffff888103bb0490 R15: 0000000000000000
[   27.720381][  T291] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   27.729356][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.735977][  T291] CR2: 00007f6288ded1d0 CR3: 0000000122b4c000 CR4: 00000000003506a0
[   27.743965][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.751962][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.759975][  T291] Call Trace:
[   27.763262][  T291]  <TASK>
[   27.766214][  T291]  shmem_rmdir+0x5b/0x90
[   27.770477][  T291]  vfs_rmdir+0x393/0x500
[   27.774716][  T291]  incfs_kill_sb+0x105/0x220
[   27.779327][  T291]  deactivate_locked_super+0xb5/0x120
[   27.784716][  T291]  deactivate_super+0xaf/0xe0
[   27.789416][  T291]  cleanup_mnt+0x45f/0x4e0
[   27.793852][  T291]  ? __kasan_slab_free+0x11/0x20
[   27.798809][  T291]  __cleanup_mnt+0x19/0x20
[   27.803250][  T291]  task_work_run+0x1db/0x240
[   27.807871][  T291]  ? __cfi_task_work_run+0x10/0x10
[   27.813011][  T291]  ? free_nsproxy+0x21f/0x270
[   27.817713][  T291]  do_exit+0xa1d/0x2650
[   27.821902][  T291]  ? __cfi_do_exit+0x10/0x10
[   27.826644][  T291]  ? _raw_spin_unlock_irq+0x4d/0x70
[   27.831869][  T291]  ? __kasan_check_write+0x14/0x20
[   27.837006][  T291]  ? _raw_spin_lock_irq+0x8f/0xe0
[   27.842059][  T291]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   27.847634][  T291]  ? zap_other_threads+0x2c1/0x2f0
[   27.852762][  T291]  do_group_exit+0x210/0x2d0
[   27.857378][  T291]  __x64_sys_exit_group+0x3f/0x40
[   27.862442][  T291]  x64_sys_call+0x7b4/0x9a0
[   27.866992][  T291]  do_syscall_64+0x4c/0xa0
[   27.871418][  T291]  ? clear_bhb_loop+0x30/0x80
[   27.876127][  T291]  ? clear_bhb_loop+0x30/0x80
[   27.880821][  T291]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   27.886746][  T291] RIP: 0033:0x7f6288d6ff89
[   27.891190][  T291] Code: Unable to access opcode bytes at 0x7f6288d6ff5f.
[   27.898226][  T291] RSP: 002b:00007ffcffdc1708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   27.906677][  T291] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6288d6ff89
[   27.914655][  T291] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   27.922644][  T291] RBP: 00007f6288dec370 R08: ffffffffffffffb8 R09: 0000000000000000
[   27.930644][  T291] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f6288dec370
[   27.938645][  T291] R13: 0000000000000000 R14: 00007f6288decdc0 R15: 00007f6288d3dcf0
[   27.946658][  T291]  </TASK>
[   27.949680][  T291] ---[ end trace 0000000000000000 ]---
[   27.955250][  T291] ==================================================================
[   27.963332][  T291] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   27.969563][  T291] Write of size 4 at addr 0000000000000170 by task syz-executor349/291
[   27.977795][  T291] 
[   27.980117][  T291] CPU: 0 PID: 291 Comm: syz-executor349 Tainted: G        W          6.1.141-syzkaller-00039-g145c7fad733f #0
[   27.991728][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   28.001772][  T291] Call Trace:
[   28.005044][  T291]  <TASK>
[   28.007970][  T291]  __dump_stack+0x21/0x24
[   28.012303][  T291]  dump_stack_lvl+0xee/0x150
[   28.016896][  T291]  ? __cfi_dump_stack_lvl+0x8/0x8
[   28.021933][  T291]  ? ihold+0x20/0x60
[   28.025817][  T291]  ? ihold+0x20/0x60
[   28.029703][  T291]  print_report+0x3d/0x60
[   28.034032][  T291]  kasan_report+0x122/0x150
[   28.038528][  T291]  ? ihold+0x20/0x60
[   28.042413][  T291]  kasan_check_range+0x280/0x290
[   28.047342][  T291]  __kasan_check_write+0x14/0x20
[   28.052276][  T291]  ihold+0x20/0x60
[   28.055993][  T291]  vfs_rmdir+0x25f/0x500
[   28.060232][  T291]  incfs_kill_sb+0x105/0x220
[   28.064815][  T291]  deactivate_locked_super+0xb5/0x120
[   28.070185][  T291]  deactivate_super+0xaf/0xe0
[   28.074855][  T291]  cleanup_mnt+0x45f/0x4e0
[   28.079270][  T291]  ? __kasan_slab_free+0x11/0x20
[   28.084202][  T291]  __cleanup_mnt+0x19/0x20
[   28.088616][  T291]  task_work_run+0x1db/0x240
[   28.093202][  T291]  ? __cfi_task_work_run+0x10/0x10
[   28.098305][  T291]  ? free_nsproxy+0x21f/0x270
[   28.102983][  T291]  do_exit+0xa1d/0x2650
[   28.107138][  T291]  ? __cfi_do_exit+0x10/0x10
[   28.111731][  T291]  ? _raw_spin_unlock_irq+0x4d/0x70
[   28.116928][  T291]  ? __kasan_check_write+0x14/0x20
[   28.122036][  T291]  ? _raw_spin_lock_irq+0x8f/0xe0
[   28.127055][  T291]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   28.132602][  T291]  ? zap_other_threads+0x2c1/0x2f0
[   28.137706][  T291]  do_group_exit+0x210/0x2d0
[   28.142297][  T291]  __x64_sys_exit_group+0x3f/0x40
[   28.147315][  T291]  x64_sys_call+0x7b4/0x9a0
[   28.151813][  T291]  do_syscall_64+0x4c/0xa0
[   28.156220][  T291]  ? clear_bhb_loop+0x30/0x80
[   28.160888][  T291]  ? clear_bhb_loop+0x30/0x80
[   28.165555][  T291]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   28.171437][  T291] RIP: 0033:0x7f6288d6ff89
[   28.175842][  T291] Code: Unable to access opcode bytes at 0x7f6288d6ff5f.
[   28.182844][  T291] RSP: 002b:00007ffcffdc1708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   28.191247][  T291] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6288d6ff89
[   28.199233][  T291] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   28.207204][  T291] RBP: 00007f6288dec370 R08: ffffffffffffffb8 R09: 0000000000000000
[   28.215181][  T291] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f6288dec370
[   28.223157][  T291] R13: 0000000000000000 R14: 00007f6288decdc0 R15: 00007f6288d3dcf0
[   28.231136][  T291]  </TASK>
[   28.234153][  T291] ==================================================================
[   28.242468][  T291] Disabling lock debugging due to kernel taint
[   28.248674][  T291] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   28.256495][  T291] #PF: supervisor write access in kernel mode
[   28.262563][  T291] #PF: error_code(0x0002) - not-present page
[   28.268543][  T291] PGD 0 P4D 0 
[   28.271937][  T291] Oops: 0002 [#1] PREEMPT SMP KASAN
[   28.277140][  T291] CPU: 0 PID: 291 Comm: syz-executor349 Tainted: G    B   W          6.1.141-syzkaller-00039-g145c7fad733f #0
[   28.288763][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   28.298823][  T291] RIP: 0010:ihold+0x26/0x60
[   28.303339][  T291] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 b1 86 ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 e3 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 a1
[   28.322948][  T291] RSP: 0018:ffffc90000dc7af8 EFLAGS: 00010246
[   28.329017][  T291] RAX: ffff8881113a0000 RBX: 0000000000000000 RCX: ffff8881113a0000
[   28.336987][  T291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   28.344955][  T291] RBP: ffffc90000dc7b08 R08: dffffc0000000000 R09: fffffbfff0f2ccfd
[   28.352939][  T291] R10: fffffbfff0f2ccfd R11: 1ffffffff0f2ccfc R12: ffff888103bb0454
[   28.360918][  T291] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   28.368891][  T291] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   28.377817][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.384418][  T291] CR2: 0000000000000170 CR3: 0000000006e0f000 CR4: 00000000003506b0
[   28.392401][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.400375][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.408356][  T291] Call Trace:
[   28.411645][  T291]  <TASK>
[   28.414603][  T291]  vfs_rmdir+0x25f/0x500
[   28.418852][  T291]  incfs_kill_sb+0x105/0x220
[   28.423444][  T291]  deactivate_locked_super+0xb5/0x120
[   28.428819][  T291]  deactivate_super+0xaf/0xe0
[   28.433502][  T291]  cleanup_mnt+0x45f/0x4e0
[   28.437927][  T291]  ? __kasan_slab_free+0x11/0x20
[   28.442867][  T291]  __cleanup_mnt+0x19/0x20
[   28.447302][  T291]  task_work_run+0x1db/0x240
[   28.451910][  T291]  ? __cfi_task_work_run+0x10/0x10
[   28.457031][  T291]  ? free_nsproxy+0x21f/0x270
[   28.461725][  T291]  do_exit+0xa1d/0x2650
[   28.465896][  T291]  ? __cfi_do_exit+0x10/0x10
[   28.470497][  T291]  ? _raw_spin_unlock_irq+0x4d/0x70
[   28.475707][  T291]  ? __kasan_check_write+0x14/0x20
[   28.480843][  T291]  ? _raw_spin_lock_irq+0x8f/0xe0
[   28.485873][  T291]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   28.491429][  T291]  ? zap_other_threads+0x2c1/0x2f0
[   28.496546][  T291]  do_group_exit+0x210/0x2d0
[   28.501148][  T291]  __x64_sys_exit_group+0x3f/0x40
[   28.506182][  T291]  x64_sys_call+0x7b4/0x9a0
[   28.510687][  T291]  do_syscall_64+0x4c/0xa0
[   28.515101][  T291]  ? clear_bhb_loop+0x30/0x80
[   28.519780][  T291]  ? clear_bhb_loop+0x30/0x80
[   28.524465][  T291]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   28.530358][  T291] RIP: 0033:0x7f6288d6ff89
[   28.534771][  T291] Code: Unable to access opcode bytes at 0x7f6288d6ff5f.
[   28.541789][  T291] RSP: 002b:00007ffcffdc1708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   28.550208][  T291] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6288d6ff89
[   28.558180][  T291] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   28.566151][  T291] RBP: 00007f6288dec370 R08: ffffffffffffffb8 R09: 0000000000000000
[   28.574119][  T291] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f6288dec370
[   28.582088][  T291] R13: 0000000000000000 R14: 00007f6288decdc0 R15: 00007f6288d3dcf0
[   28.590076][  T291]  </TASK>
[   28.593193][  T291] Modules linked in:
[   28.597107][  T291] CR2: 0000000000000170
[   28.601262][  T291] ---[ end trace 0000000000000000 ]---
[   28.606717][  T291] RIP: 0010:ihold+0x26/0x60
[   28.611225][  T291] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 b1 86 ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 e3 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 a1
[   28.630831][  T291] RSP: 0018:ffffc90000dc7af8 EFLAGS: 00010246
[   28.636913][  T291] RAX: ffff8881113a0000 RBX: 0000000000000000 RCX: ffff8881113a0000
[   28.644896][  T291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   28.652872][  T291] RBP: ffffc90000dc7b08 R08: dffffc0000000000 R09: fffffbfff0f2ccfd
[   28.660853][  T291] R10: fffffbfff0f2ccfd R11: 1ffffffff0f2ccfc R12: ffff888103bb0454
[   28.668859][  T291] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   28.676849][  T291] FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   28.685800][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.692385][  T291] CR2: 0000000000000170 CR3: 0000000006e0f000 CR4: 00000000003506b0
[   28.700372][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.708344][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.716407][  T291] Kernel panic - not syncing: Fatal exception
[   28.722756][  T291] Kernel Offset: disabled
[   28.727073][  T291] Rebooting in 86400 seconds..