./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor205917337

<...>
Warning: Permanently added '10.128.1.121' (ED25519) to the list of known hosts.
execve("./syz-executor205917337", ["./syz-executor205917337"], 0x7ffc9d577710 /* 10 vars */) = 0
brk(NULL)                               = 0x5555657e6000
brk(0x5555657e6e00)                     = 0x5555657e6e00
arch_prctl(ARCH_SET_FS, 0x5555657e6480) = 0
set_tid_address(0x5555657e6750)         = 294
set_robust_list(0x5555657e6760, 24)     = 0
rseq(0x5555657e6da0, 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-executor205917337", 4096) = 27
getrandom("\x88\x5a\xee\xc6\x69\x9e\xbe\x22", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555657e6e00
brk(0x555565807e00)                     = 0x555565807e00
brk(0x555565808000)                     = 0x555565808000
mprotect(0x7f17ba8e1000, 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
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=0x7f17ba837da0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f17ba83fb90}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f17ba837da0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f17ba83fb90}, NULL, 8) = 0
mkdir("./syzkaller.88td7g", 0700)       = 0
chmod("./syzkaller.88td7g", 0777)       = 0
chdir("./syzkaller.88td7g")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555657e6750) = 295
./strace-static-x86_64: Process 295 attached
[pid   295] set_robust_list(0x5555657e6760, 24) = 0
[pid   295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   295] getppid()                   = 0
[pid   295] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   295] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   295] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   295] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   295] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   295] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   295] unshare(CLONE_NEWNS)        = 0
[pid   295] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   295] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   295] unshare(CLONE_NEWCGROUP)    = 0
[pid   295] unshare(CLONE_NEWUTS)       = 0
[pid   295] unshare(CLONE_SYSVSEM)      = 0
[pid   295] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   295] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   295] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   295] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   295] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   295] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   295] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   295] getpid()                    = 1
[pid   295] 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   295] 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   295] unshare(CLONE_NEWNET)       = 0
[pid   295] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   295] write(3, "0 65535", 7)      = 7
[pid   295] close(3)                    = 0
[pid   295] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   295] write(3, "100000", 6)       = 6
[pid   295] close(3)                    = 0
[pid   295] mkdir("./syz-tmp", 0777)    = 0
[   21.956920][   T30] audit: type=1400 audit(1735560006.506:66): avc:  denied  { execmem } for  pid=294 comm="syz-executor205" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.967340][   T30] audit: type=1400 audit(1735560006.516:67): avc:  denied  { mounton } for  pid=295 comm="syz-executor205" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   295] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   295] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   295] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   295] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   295] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   295] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   295] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   295] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   295] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   295] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   295] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   295] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   295] 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   295] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   295] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   295] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   295] chdir("/")                  = 0
[pid   295] umount2("./pivot", MNT_DETACH) = 0
[pid   295] chroot("./newroot")         = 0
[pid   295] chdir("/")                  = 0
[pid   295] mkdir("/dev/gadgetfs", 0777) = 0
[   21.993598][   T30] audit: type=1400 audit(1735560006.546:68): avc:  denied  { mounton } for  pid=295 comm="syz-executor205" path="/root/syzkaller.88td7g/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.017856][   T30] audit: type=1400 audit(1735560006.546:69): avc:  denied  { mount } for  pid=295 comm="syz-executor205" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   295] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   295] mkdir("/dev/binderfs", 0777) = 0
[pid   295] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   295] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   295] mkdir("./0", 0777)          = 0
[pid   295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   295] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   295] close(3)                    = 0
[pid   295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555657e6750) = 2
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x5555657e6760, 24) = 0
[pid   297] chdir("./0")                = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] setpgid(0, 0)               = 0
[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] mkdir("./file0", 0777)      = 0
[pid   297] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   297] mount(NULL, NULL, NULL, 0, NULL) = -1 EFAULT (Bad address)
[pid   297] chdir(NULL)                 = -1 EFAULT (Bad address)
[pid   297] mkdir(NULL, 000)            = -1 EFAULT (Bad address)
[pid   297] mount("./file0", "./file0", "incremental-fs", MS_NOEXEC|MS_NOATIME|MS_STRICTATIME, NULL) = 0
[pid   297] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[   22.040541][   T30] audit: type=1400 audit(1735560006.576:70): avc:  denied  { mounton } for  pid=295 comm="syz-executor205" path="/root/syzkaller.88td7g/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
[   22.042684][  T295] request_module fs-gadgetfs succeeded, but still no fs?
[   22.066136][   T30] audit: type=1400 audit(1735560006.576:71): avc:  denied  { mount } for  pid=295 comm="syz-executor205" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid   297] mount("./file0/file0", "./file0/file0", NULL, MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_MANDLOCK|MS_BIND|MS_POSIXACL|MS_I_VERSION, 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)
[   22.095344][   T30] audit: type=1400 audit(1735560006.576:72): avc:  denied  { mounton } for  pid=295 comm="syz-executor205" path="/root/syzkaller.88td7g/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
[   22.096528][  T297] =======================================================
[   22.096528][  T297] WARNING: The mand mount option has been deprecated and
[   22.096528][  T297]          and is ignored by this kernel. Remove the mand
[   22.096528][  T297]          option from the mount to silence this warning.
[   22.096528][  T297] =======================================================
[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   295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   295] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   295] getdents64(3, 0x5555657e77f0 /* 4 entries */, 32768) = 112
[pid   295] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   295] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   295] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   295] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   295] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   295] getdents64(4, 0x5555657ef830 /* 4 entries */, 32768) = 112
[pid   295] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   295] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] newfstatat(AT_FDCWD, "./0/file0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   295] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] openat(AT_FDCWD, "./0/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   295] newfstatat(5, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   295] getdents64(5, 0x5555657f7870 /* 4 entries */, 32768) = 112
[pid   295] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] newfstatat(AT_FDCWD, "./0/file0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   295] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] openat(AT_FDCWD, "./0/file0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   295] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   295] getdents64(6, 0x5555657ff8b0 /* 2 entries */, 32768) = 48
[pid   295] getdents64(6, 0x5555657ff8b0 /* 0 entries */, 32768) = 0
[pid   295] close(6)                    = 0
[pid   295] rmdir("./0/file0/file0/.incomplete") = 0
[pid   295] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] newfstatat(AT_FDCWD, "./0/file0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   295] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] openat(AT_FDCWD, "./0/file0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   295] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   295] getdents64(6, 0x5555657ff8b0 /* 2 entries */, 32768) = 48
[pid   295] getdents64(6, 0x5555657ff8b0 /* 0 entries */, 32768) = 0
[pid   295] close(6)                    = 0
[pid   295] rmdir("./0/file0/file0/.index") = 0
[pid   295] getdents64(5, 0x5555657f7870 /* 0 entries */, 32768) = 0
[pid   295] close(5)                    = 0
[pid   295] rmdir("./0/file0/file0")    = -1 EBUSY (Device or resource busy)
[pid   295] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   295] exit_group(1)               = ?
[   22.122424][   T30] audit: type=1400 audit(1735560006.576:73): avc:  denied  { mounton } for  pid=295 comm="syz-executor205" path="/root/syzkaller.88td7g/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14215 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   22.184670][   T30] audit: type=1400 audit(1735560006.576:74): avc:  denied  { unmount } for  pid=295 comm="syz-executor205" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   22.204371][   T30] audit: type=1400 audit(1735560006.596:75): avc:  denied  { mounton } for  pid=295 comm="syz-executor205" path="/dev/gadgetfs" dev="devtmpfs" ino=514 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   22.204827][  T295] ------------[ cut here ]------------
[   22.232559][  T295] WARNING: CPU: 1 PID: 295 at fs/inode.c:307 drop_nlink+0xc1/0x110
[   22.240327][  T295] Modules linked in:
[   22.244105][  T295] CPU: 1 PID: 295 Comm: syz-executor205 Not tainted 5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   22.254205][  T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.264119][  T295] RIP: 0010:drop_nlink+0xc1/0x110
[   22.268966][  T295] 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 4f 9a ae ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   22.288737][  T295] RSP: 0018:ffffc90000997b08 EFLAGS: 00010293
[   22.294669][  T295] RAX: ffffffff81c1cc61 RBX: 0000000000000000 RCX: ffff88810c7c3b40
[   22.302475][  T295] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.310247][  T295] RBP: ffffc90000997b30 R08: ffffffff81c1cbe4 R09: 0000000000000003
[   22.318100][  T295] R10: fffff52000132f50 R11: dffffc0000000001 R12: dffffc0000000000
[   22.325898][  T295] R13: 1ffff11021a434e4 R14: ffff88810d21a6d8 R15: ffff88810d21a720
[   22.333706][  T295] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.342485][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.348877][  T295] CR2: 000055b06fc2f308 CR3: 000000010d11d000 CR4: 00000000003506a0
[   22.356721][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.364519][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.372346][  T295] Call Trace:
[   22.375435][  T295]  <TASK>
[   22.378207][  T295]  ? show_regs+0x58/0x60
[   22.382322][  T295]  ? __warn+0x160/0x2f0
[   22.386320][  T295]  ? drop_nlink+0xc1/0x110
[   22.390531][  T295]  ? report_bug+0x3d9/0x5b0
[   22.394923][  T295]  ? drop_nlink+0xc1/0x110
[   22.399126][  T295]  ? handle_bug+0x41/0x70
[   22.403322][  T295]  ? exc_invalid_op+0x1b/0x50
[   22.407806][  T295]  ? asm_exc_invalid_op+0x1b/0x20
[   22.412728][  T295]  ? drop_nlink+0x44/0x110
[   22.416917][  T295]  ? drop_nlink+0xc1/0x110
[   22.421192][  T295]  ? drop_nlink+0xc1/0x110
[   22.425437][  T295]  ? drop_nlink+0xc1/0x110
[   22.429702][  T295]  shmem_rmdir+0x59/0x90
[   22.433966][  T295]  vfs_rmdir+0x324/0x470
[   22.437990][  T295]  incfs_kill_sb+0x113/0x230
[   22.442444][  T295]  deactivate_locked_super+0xad/0x110
[   22.447614][  T295]  deactivate_super+0xbe/0xf0
[   22.452167][  T295]  cleanup_mnt+0x45c/0x510
[   22.456379][  T295]  __cleanup_mnt+0x19/0x20
[   22.460689][  T295]  task_work_run+0x129/0x190
[   22.465060][  T295]  do_exit+0xc48/0x2ca0
[   22.469049][  T295]  ? put_task_struct+0x80/0x80
[   22.473746][  T295]  ? _raw_spin_unlock_irq+0x4e/0x70
[   22.478689][  T295]  ? ptrace_notify+0x24c/0x350
[   22.483374][  T295]  ? do_notify_parent+0xa30/0xa30
[   22.488149][  T295]  do_group_exit+0x141/0x310
[   22.492741][  T295]  __x64_sys_exit_group+0x3f/0x40
[   22.497561][  T295]  x64_sys_call+0x610/0x9a0
[   22.501941][  T295]  do_syscall_64+0x3b/0xb0
[   22.506154][  T295]  ? clear_bhb_loop+0x35/0x90
[   22.510701][  T295]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   22.516379][  T295] RIP: 0033:0x7f17ba86af09
[   22.520663][  T295] Code: Unable to access opcode bytes at RIP 0x7f17ba86aedf.
[   22.527834][  T295] RSP: 002b:00007fff31e86eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   22.536227][  T295] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f17ba86af09
[   22.543991][  T295] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   22.551834][  T295] RBP: 00007f17ba8e7370 R08: ffffffffffffffb8 R09: 0000000000000000
[   22.559606][  T295] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f17ba8e7370
[   22.567453][  T295] R13: 0000000000000000 R14: 00007f17ba8e7dc0 R15: 00007f17ba838c90
[   22.575250][  T295]  </TASK>
[   22.578098][  T295] ---[ end trace 532e2182e18a0db6 ]---
[   22.583465][  T295] ==================================================================
[   22.591292][  T295] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   22.597356][  T295] Write of size 4 at addr 0000000000000170 by task syz-executor205/295
[   22.605427][  T295] 
[   22.607604][  T295] CPU: 1 PID: 295 Comm: syz-executor205 Tainted: G        W         5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   22.619228][  T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.629123][  T295] Call Trace:
[   22.632249][  T295]  <TASK>
[   22.635023][  T295]  dump_stack_lvl+0x151/0x1c0
[   22.639538][  T295]  ? io_uring_drop_tctx_refs+0x190/0x190
[   22.645003][  T295]  ? _raw_spin_lock+0xa4/0x1b0
[   22.649606][  T295]  ? _raw_spin_trylock_bh+0x190/0x190
[   22.654814][  T295]  kasan_report+0x16f/0x1c0
[   22.659153][  T295]  ? ihold+0x20/0x60
[   22.662883][  T295]  ? ihold+0x20/0x60
[   22.666618][  T295]  kasan_check_range+0x293/0x2a0
[   22.671391][  T295]  __kasan_check_write+0x14/0x20
[   22.676164][  T295]  ihold+0x20/0x60
[   22.679724][  T295]  vfs_rmdir+0x201/0x470
[   22.683802][  T295]  incfs_kill_sb+0x113/0x230
[   22.688227][  T295]  deactivate_locked_super+0xad/0x110
[   22.693434][  T295]  deactivate_super+0xbe/0xf0
[   22.697948][  T295]  cleanup_mnt+0x45c/0x510
[   22.702202][  T295]  __cleanup_mnt+0x19/0x20
[   22.706455][  T295]  task_work_run+0x129/0x190
[   22.710882][  T295]  do_exit+0xc48/0x2ca0
[   22.714878][  T295]  ? put_task_struct+0x80/0x80
[   22.719472][  T295]  ? _raw_spin_unlock_irq+0x4e/0x70
[   22.724511][  T295]  ? ptrace_notify+0x24c/0x350
[   22.729109][  T295]  ? do_notify_parent+0xa30/0xa30
[   22.733968][  T295]  do_group_exit+0x141/0x310
[   22.738396][  T295]  __x64_sys_exit_group+0x3f/0x40
[   22.743254][  T295]  x64_sys_call+0x610/0x9a0
[   22.747603][  T295]  do_syscall_64+0x3b/0xb0
[   22.751851][  T295]  ? clear_bhb_loop+0x35/0x90
[   22.756364][  T295]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   22.762095][  T295] RIP: 0033:0x7f17ba86af09
[   22.766351][  T295] Code: Unable to access opcode bytes at RIP 0x7f17ba86aedf.
[   22.773550][  T295] RSP: 002b:00007fff31e86eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   22.781794][  T295] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f17ba86af09
[   22.789606][  T295] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   22.797416][  T295] RBP: 00007f17ba8e7370 R08: ffffffffffffffb8 R09: 0000000000000000
[   22.805230][  T295] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f17ba8e7370
[   22.813039][  T295] R13: 0000000000000000 R14: 00007f17ba8e7dc0 R15: 00007f17ba838c90
[   22.820856][  T295]  </TASK>
[   22.823718][  T295] ==================================================================
[   22.831612][  T295] Disabling lock debugging due to kernel taint
[   22.837928][  T295] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   22.845540][  T295] #PF: supervisor write access in kernel mode
[   22.851436][  T295] #PF: error_code(0x0002) - not-present page
[   22.857253][  T295] PGD 0 P4D 0 
[   22.860474][  T295] Oops: 0002 [#1] PREEMPT SMP KASAN
[   22.865501][  T295] CPU: 1 PID: 295 Comm: syz-executor205 Tainted: G    B   W         5.15.173-syzkaller-00161-gb4bd207b0380 #0
[   22.876955][  T295] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   22.886851][  T295] RIP: 0010:ihold+0x25/0x60
[   22.891189][  T295] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 61 92 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 e4 95 ae
[   22.910630][  T295] RSP: 0018:ffffc90000997b48 EFLAGS: 00010246
[   22.916535][  T295] RAX: ffff88810c7c3b00 RBX: 0000000000000001 RCX: ffff88810c7c3b40
[   22.924345][  T295] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   22.932154][  T295] RBP: ffffc90000997b58 R08: ffffffff8141a43b R09: 0000000000000003
[   22.939968][  T295] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   22.947778][  T295] R13: ffff888120a0cdd0 R14: 0000000000000000 R15: 1ffff110241419c0
[   22.955593][  T295] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   22.964355][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.970779][  T295] CR2: 0000000000000170 CR3: 000000010c4b0000 CR4: 00000000003506a0
[   22.978593][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.986401][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.994215][  T295] Call Trace:
[   22.997340][  T295]  <TASK>
[   23.000119][  T295]  ? __die_body+0x62/0xb0
[   23.004284][  T295]  ? __die+0x7e/0x90
[   23.008013][  T295]  ? page_fault_oops+0x7f9/0xa90
[   23.012788][  T295]  ? _raw_spin_unlock+0x4d/0x70
[   23.017474][  T295]  ? kernelmode_fixup_or_oops+0xd0/0xd0
[   23.022853][  T295]  ? __schedule+0xcd4/0x1590
[   23.027285][  T295]  ? exc_page_fault+0x510/0x7f0
[   23.031982][  T295]  ? asm_exc_page_fault+0x27/0x30
[   23.036830][  T295]  ? check_panic_on_warn+0x5b/0xb0
[   23.041779][  T295]  ? ihold+0x25/0x60
[   23.045516][  T295]  ? ihold+0x20/0x60
[   23.049243][  T295]  vfs_rmdir+0x201/0x470
[   23.053324][  T295]  incfs_kill_sb+0x113/0x230
[   23.057747][  T295]  deactivate_locked_super+0xad/0x110
[   23.062956][  T295]  deactivate_super+0xbe/0xf0
[   23.067469][  T295]  cleanup_mnt+0x45c/0x510
[   23.071723][  T295]  __cleanup_mnt+0x19/0x20
[   23.076064][  T295]  task_work_run+0x129/0x190
[   23.080488][  T295]  do_exit+0xc48/0x2ca0
[   23.084486][  T295]  ? put_task_struct+0x80/0x80
[   23.089081][  T295]  ? _raw_spin_unlock_irq+0x4e/0x70
[   23.094114][  T295]  ? ptrace_notify+0x24c/0x350
[   23.098714][  T295]  ? do_notify_parent+0xa30/0xa30
[   23.103574][  T295]  do_group_exit+0x141/0x310
[   23.108000][  T295]  __x64_sys_exit_group+0x3f/0x40
[   23.112861][  T295]  x64_sys_call+0x610/0x9a0
[   23.117200][  T295]  do_syscall_64+0x3b/0xb0
[   23.121452][  T295]  ? clear_bhb_loop+0x35/0x90
[   23.125971][  T295]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   23.131697][  T295] RIP: 0033:0x7f17ba86af09
[   23.135951][  T295] Code: Unable to access opcode bytes at RIP 0x7f17ba86aedf.
[   23.143587][  T295] RSP: 002b:00007fff31e86eb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.151839][  T295] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f17ba86af09
[   23.159643][  T295] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   23.167454][  T295] RBP: 00007f17ba8e7370 R08: ffffffffffffffb8 R09: 0000000000000000
[   23.175280][  T295] R10: 0000000000001000 R11: 0000000000000246 R12: 00007f17ba8e7370
[   23.183076][  T295] R13: 0000000000000000 R14: 00007f17ba8e7dc0 R15: 00007f17ba838c90
[   23.190893][  T295]  </TASK>
[   23.193754][  T295] Modules linked in:
[   23.197500][  T295] CR2: 0000000000000170
[   23.201487][  T295] ---[ end trace 532e2182e18a0db7 ]---
[   23.206772][  T295] RIP: 0010:ihold+0x25/0x60
[   23.211113][  T295] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 61 92 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 e4 95 ae
[   23.230555][  T295] RSP: 0018:ffffc90000997b48 EFLAGS: 00010246
[   23.236464][  T295] RAX: ffff88810c7c3b00 RBX: 0000000000000001 RCX: ffff88810c7c3b40
[   23.244276][  T295] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   23.252165][  T295] RBP: ffffc90000997b58 R08: ffffffff8141a43b R09: 0000000000000003
[   23.259976][  T295] R10: fffffbfff0e9a84c R11: dffffc0000000001 R12: dffffc0000000000
[   23.267973][  T295] R13: ffff888120a0cdd0 R14: 0000000000000000 R15: 1ffff110241419c0
[   23.275785][  T295] FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   23.284548][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.290972][  T295] CR2: 0000000000000170 CR3: 000000010c4b0000 CR4: 00000000003506a0
[   23.298787][  T295] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.306594][  T295] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.314416][  T295] Kernel panic - not syncing: Fatal exception
[   23.320633][  T295] Kernel Offset: disabled
[   23.324762][  T295] Rebooting in 86400 seconds..