./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3614895983

<...>
Warning: Permanently added '10.128.0.201' (ED25519) to the list of known hosts.
execve("./syz-executor3614895983", ["./syz-executor3614895983"], 0x7ffe5b4b4780 /* 10 vars */) = 0
brk(NULL)                               = 0x55558f0a6000
brk(0x55558f0a6d00)                     = 0x55558f0a6d00
arch_prctl(ARCH_SET_FS, 0x55558f0a6380) = 0
set_tid_address(0x55558f0a6650)         = 297
set_robust_list(0x55558f0a6660, 24)     = 0
rseq(0x55558f0a6ca0, 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-executor3614895983", 4096) = 28
getrandom("\xfd\x8a\x3c\x57\xc2\x56\xb0\xb8", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558f0a6d00
brk(0x55558f0c7d00)                     = 0x55558f0c7d00
brk(0x55558f0c8000)                     = 0x55558f0c8000
mprotect(0x7fbe99558000, 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
mkdir("./syzkaller.nY13jt", 0700)       = 0
chmod("./syzkaller.nY13jt", 0777)       = 0
chdir("./syzkaller.nY13jt")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558f0a6650) = 298
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x55558f0a6660, 24) = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] getppid()                   = 0
[pid   298] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   298] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   298] unshare(CLONE_NEWNS)        = 0
[pid   298] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   298] unshare(CLONE_NEWCGROUP)    = 0
[pid   298] unshare(CLONE_NEWUTS)       = 0
[pid   298] unshare(CLONE_SYSVSEM)      = 0
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   298] getpid()                    = 1
[pid   298] 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   298] 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   298] unshare(CLONE_NEWNET)       = 0
[pid   298] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "0 65535", 7)      = 7
[pid   298] close(3)                    = 0
[pid   298] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "100000", 6)       = 6
[pid   298] close(3)                    = 0
[pid   298] mkdir("./syz-tmp", 0777)    = 0
[pid   298] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   298] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   298] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   298] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   298] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   298] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   298] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] 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   298] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   298] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   298] 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   298] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   298] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   298] chdir("/")                  = 0
[   23.787699][   T36] audit: type=1400 audit(1754812844.179:64): avc:  denied  { execmem } for  pid=297 comm="syz-executor361" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.807232][   T36] audit: type=1400 audit(1754812844.189:65): avc:  denied  { mounton } for  pid=298 comm="syz-executor361" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   298] umount2("./pivot", MNT_DETACH) = 0
[pid   298] chroot("./newroot")         = 0
[pid   298] chdir("/")                  = 0
[pid   298] mkdir("/dev/gadgetfs", 0777) = 0
[pid   298] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   298] mkdir("/dev/binderfs", 0777) = 0
[pid   298] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   298] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   298] mkdir("./0", 0777)          = 0
[pid   298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558f0a6650) = 2
./strace-static-x86_64: Process 299 attached
[pid   299] set_robust_list(0x55558f0a6660, 24) = 0
[pid   299] chdir("./0")                = 0
[pid   299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   299] setpgid(0, 0)               = 0
[pid   299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   299] write(3, "1000", 4)         = 4
[pid   299] close(3)                    = 0
[pid   299] symlink("/dev/binderfs", "./binderfs") = 0
[pid   299] write(1, "executing program\n", 18executing program
) = 18
[pid   299] mkdirat(AT_FDCWD, "./file0", 020) = 0
[pid   299] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   299] mount(".", "./file0", NULL, MS_NODEV|MS_BIND|MS_REC|MS_RELATIME|MS_I_VERSION|MS_LAZYTIME, NULL) = 0
[pid   299] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   299] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   299] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   299] exit_group(0)               = ?
[pid   299] +++ exited with 0 +++
[pid   298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   298] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   298] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   298] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(3, 0x55558f0a76f0 /* 4 entries */, 32768) = 112
[pid   298] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   298] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   298] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   298] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(4, 0x55558f0af730 /* 4 entries */, 32768) = 112
[   23.828825][   T36] audit: type=1400 audit(1754812844.219:66): avc:  denied  { mounton } for  pid=298 comm="syz-executor361" path="/root/syzkaller.nY13jt/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.853207][   T36] audit: type=1400 audit(1754812844.219:67): avc:  denied  { mount } for  pid=298 comm="syz-executor361" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/file0/file0", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   298] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(5, 0x55558f0b7770 /* 4 entries */, 32768) = 112
[pid   298] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/file0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/file0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   298] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(6, 0x55558f0bf7b0 /* 2 entries */, 32768) = 48
[pid   298] getdents64(6, 0x55558f0bf7b0 /* 0 entries */, 32768) = 0
[pid   298] close(6)                    = 0
[pid   298] rmdir("./0/file0/file0/.incomplete") = 0
[pid   298] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] newfstatat(AT_FDCWD, "./0/file0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   298] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] openat(AT_FDCWD, "./0/file0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   298] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   298] getdents64(6, 0x55558f0bf7b0 /* 2 entries */, 32768) = 48
[pid   298] getdents64(6, 0x55558f0bf7b0 /* 0 entries */, 32768) = 0
[pid   298] close(6)                    = 0
[pid   298] rmdir("./0/file0/file0/.index") = 0
[pid   298] getdents64(5, 0x55558f0b7770 /* 0 entries */, 32768) = 0
[pid   298] close(5)                    = 0
[pid   298] rmdir("./0/file0/file0")    = -1 EBUSY (Device or resource busy)
[pid   298] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   298] exit_group(1)               = ?
[   23.875479][   T36] audit: type=1400 audit(1754812844.219:68): avc:  denied  { mounton } for  pid=298 comm="syz-executor361" path="/root/syzkaller.nY13jt/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
[   23.900824][   T36] audit: type=1400 audit(1754812844.219:69): avc:  denied  { mount } for  pid=298 comm="syz-executor361" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   23.922775][   T36] audit: type=1400 audit(1754812844.219:70): avc:  denied  { mounton } for  pid=298 comm="syz-executor361" path="/root/syzkaller.nY13jt/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
[   23.923608][  T298] ------------[ cut here ]------------
[   23.949490][   T36] audit: type=1400 audit(1754812844.219:71): avc:  denied  { mounton } for  pid=298 comm="syz-executor361" path="/root/syzkaller.nY13jt/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=2854 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   23.954992][  T298] WARNING: CPU: 0 PID: 298 at fs/inode.c:340 drop_nlink+0xce/0x110
[   23.982977][   T36] audit: type=1400 audit(1754812844.229:72): avc:  denied  { unmount } for  pid=298 comm="syz-executor361" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   23.990417][  T298] Modules linked in:
[   24.010306][   T36] audit: type=1400 audit(1754812844.249:73): avc:  denied  { mounton } for  pid=298 comm="syz-executor361" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.014039][  T298] CPU: 0 UID: 0 PID: 298 Comm: syz-executor361 Not tainted 6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   24.050751][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.060848][  T298] RIP: 0010:drop_nlink+0xce/0x110
[   24.065906][  T298] Code: 04 00 00 be 08 00 00 00 e8 6f 4e ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 08 42 a0 03 cc e8 d2 23 98 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[   24.085735][  T298] RSP: 0018:ffffc900011bfa80 EFLAGS: 00010293
[   24.091827][  T298] RAX: ffffffff81edb95e RBX: ffff888103389308 RCX: ffff888101388000
[   24.099878][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.107859][  T298] RBP: ffffc900011bfaa8 R08: 0000000000000003 R09: 0000000000000004
[   24.115864][  T298] R10: dffffc0000000000 R11: fffff52000237f40 R12: dffffc0000000000
[   24.123872][  T298] R13: 1ffff1102067126a R14: ffff888103389350 R15: 0000000000000000
[   24.131881][  T298] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   24.140808][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.147397][  T298] CR2: 00007fbe9955f1b0 CR3: 000000010b728000 CR4: 00000000003526b0
[   24.155390][  T298] Call Trace:
[   24.158662][  T298]  <TASK>
[   24.161599][  T298]  shmem_rmdir+0x5f/0x90
[   24.165846][  T298]  vfs_rmdir+0x3e0/0x560
[   24.170076][  T298]  incfs_kill_sb+0x109/0x230
[   24.174695][  T298]  deactivate_locked_super+0xd8/0x2a0
[   24.180075][  T298]  deactivate_super+0xb8/0xe0
[   24.184778][  T298]  cleanup_mnt+0x3f1/0x480
[   24.189211][  T298]  __cleanup_mnt+0x1d/0x40
[   24.193645][  T298]  task_work_run+0x1e0/0x250
[   24.198241][  T298]  ? __cfi_task_work_run+0x10/0x10
[   24.203369][  T298]  ? free_nsproxy+0x223/0x290
[   24.208046][  T298]  do_exit+0x9bc/0x2630
[   24.212219][  T298]  ? __cfi_do_exit+0x10/0x10
[   24.216807][  T298]  ? __kasan_check_write+0x18/0x20
[   24.221943][  T298]  ? _raw_spin_lock_irq+0x8d/0x120
[   24.227069][  T298]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   24.232636][  T298]  ? zap_other_threads+0x334/0x370
[   24.237747][  T298]  do_group_exit+0x22a/0x300
[   24.242362][  T298]  __x64_sys_exit_group+0x43/0x50
[   24.247383][  T298]  x64_sys_call+0x2ed2/0x2ee0
[   24.252107][  T298]  do_syscall_64+0x58/0xf0
[   24.256518][  T298]  ? clear_bhb_loop+0x50/0xa0
[   24.261176][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.267077][  T298] RIP: 0033:0x7fbe994e2709
[   24.271519][  T298] Code: Unable to access opcode bytes at 0x7fbe994e26df.
[   24.278522][  T298] RSP: 002b:00007ffe547837e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.286956][  T298] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbe994e2709
[   24.294953][  T298] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.302951][  T298] RBP: 00007fbe9955e350 R08: ffffffffffffffb8 R09: 0000000000000000
[   24.310916][  T298] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fbe9955e350
[   24.318907][  T298] R13: 0000000000000000 R14: 00007fbe9955eda0 R15: 00007fbe994b36f0
[   24.326906][  T298]  </TASK>
[   24.330003][  T298] ---[ end trace 0000000000000000 ]---
[   24.335647][  T298] ==================================================================
[   24.343714][  T298] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   24.349943][  T298] Write of size 4 at addr 0000000000000168 by task syz-executor361/298
[   24.358166][  T298] 
[   24.360662][  T298] CPU: 0 UID: 0 PID: 298 Comm: syz-executor361 Tainted: G        W          6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   24.360685][  T298] Tainted: [W]=WARN
[   24.360688][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.360695][  T298] Call Trace:
[   24.360701][  T298]  <TASK>
[   24.360707][  T298]  __dump_stack+0x21/0x30
[   24.360726][  T298]  dump_stack_lvl+0x10c/0x190
[   24.360738][  T298]  ? __cfi_dump_stack_lvl+0x10/0x10
[   24.360751][  T298]  print_report+0x3d/0x70
[   24.360762][  T298]  kasan_report+0x163/0x1a0
[   24.360773][  T298]  ? ihold+0x24/0x70
[   24.360784][  T298]  ? _raw_spin_unlock+0x45/0x60
[   24.360795][  T298]  ? ihold+0x24/0x70
[   24.360805][  T298]  kasan_check_range+0x299/0x2a0
[   24.360815][  T298]  __kasan_check_write+0x18/0x20
[   24.360828][  T298]  ihold+0x24/0x70
[   24.360837][  T298]  vfs_rmdir+0x26a/0x560
[   24.360849][  T298]  incfs_kill_sb+0x109/0x230
[   24.360863][  T298]  deactivate_locked_super+0xd8/0x2a0
[   24.360876][  T298]  deactivate_super+0xb8/0xe0
[   24.360887][  T298]  cleanup_mnt+0x3f1/0x480
[   24.360898][  T298]  __cleanup_mnt+0x1d/0x40
[   24.360907][  T298]  task_work_run+0x1e0/0x250
[   24.360919][  T298]  ? __cfi_task_work_run+0x10/0x10
[   24.360930][  T298]  ? free_nsproxy+0x223/0x290
[   24.360943][  T298]  do_exit+0x9bc/0x2630
[   24.360955][  T298]  ? __cfi_do_exit+0x10/0x10
[   24.360966][  T298]  ? __kasan_check_write+0x18/0x20
[   24.360978][  T298]  ? _raw_spin_lock_irq+0x8d/0x120
[   24.360989][  T298]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   24.360999][  T298]  ? zap_other_threads+0x334/0x370
[   24.361011][  T298]  do_group_exit+0x22a/0x300
[   24.361022][  T298]  __x64_sys_exit_group+0x43/0x50
[   24.361033][  T298]  x64_sys_call+0x2ed2/0x2ee0
[   24.361046][  T298]  do_syscall_64+0x58/0xf0
[   24.361057][  T298]  ? clear_bhb_loop+0x50/0xa0
[   24.361070][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.361083][  T298] RIP: 0033:0x7fbe994e2709
[   24.361093][  T298] Code: Unable to access opcode bytes at 0x7fbe994e26df.
[   24.361098][  T298] RSP: 002b:00007ffe547837e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.361109][  T298] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbe994e2709
[   24.361117][  T298] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.361123][  T298] RBP: 00007fbe9955e350 R08: ffffffffffffffb8 R09: 0000000000000000
[   24.361130][  T298] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fbe9955e350
[   24.361137][  T298] R13: 0000000000000000 R14: 00007fbe9955eda0 R15: 00007fbe994b36f0
[   24.361145][  T298]  </TASK>
[   24.361149][  T298] ==================================================================
[   24.617104][  T298] Disabling lock debugging due to kernel taint
[   24.623433][  T298] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   24.631234][  T298] #PF: supervisor write access in kernel mode
[   24.637282][  T298] #PF: error_code(0x0002) - not-present page
[   24.643341][  T298] PGD 0 P4D 0 
[   24.646706][  T298] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   24.652772][  T298] CPU: 0 UID: 0 PID: 298 Comm: syz-executor361 Tainted: G    B   W          6.12.38-syzkaller-gd0c633175c04 #0 79f03ae2e0a264f34f505a942aaa3597bcba712e
[   24.668133][  T298] Tainted: [B]=BAD_PAGE, [W]=WARN
[   24.673140][  T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.683270][  T298] RIP: 0010:ihold+0x2a/0x70
[   24.687770][  T298] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 bd 1a 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 2c 45 ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 cd
[   24.707368][  T298] RSP: 0018:ffffc900011bfac0 EFLAGS: 00010246
[   24.713441][  T298] RAX: ffff888101388000 RBX: 0000000000000000 RCX: ffff888101388000
[   24.721488][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.729450][  T298] RBP: ffffc900011bfad0 R08: ffffffff8896a947 R09: 1ffffffff112d528
[   24.737510][  T298] R10: dffffc0000000000 R11: fffffbfff112d529 R12: ffff888103389314
[   24.745480][  T298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   24.753526][  T298] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   24.762442][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.769045][  T298] CR2: 0000000000000168 CR3: 000000010b728000 CR4: 00000000003526b0
[   24.777039][  T298] Call Trace:
[   24.780308][  T298]  <TASK>
[   24.783234][  T298]  vfs_rmdir+0x26a/0x560
[   24.787475][  T298]  incfs_kill_sb+0x109/0x230
[   24.792055][  T298]  deactivate_locked_super+0xd8/0x2a0
[   24.797421][  T298]  deactivate_super+0xb8/0xe0
[   24.802086][  T298]  cleanup_mnt+0x3f1/0x480
[   24.806494][  T298]  __cleanup_mnt+0x1d/0x40
[   24.810892][  T298]  task_work_run+0x1e0/0x250
[   24.815478][  T298]  ? __cfi_task_work_run+0x10/0x10
[   24.820579][  T298]  ? free_nsproxy+0x223/0x290
[   24.825338][  T298]  do_exit+0x9bc/0x2630
[   24.829486][  T298]  ? __cfi_do_exit+0x10/0x10
[   24.834066][  T298]  ? __kasan_check_write+0x18/0x20
[   24.839171][  T298]  ? _raw_spin_lock_irq+0x8d/0x120
[   24.844289][  T298]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   24.849828][  T298]  ? zap_other_threads+0x334/0x370
[   24.855018][  T298]  do_group_exit+0x22a/0x300
[   24.859600][  T298]  __x64_sys_exit_group+0x43/0x50
[   24.864616][  T298]  x64_sys_call+0x2ed2/0x2ee0
[   24.869289][  T298]  do_syscall_64+0x58/0xf0
[   24.873701][  T298]  ? clear_bhb_loop+0x50/0xa0
[   24.878368][  T298]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.884253][  T298] RIP: 0033:0x7fbe994e2709
[   24.888656][  T298] Code: Unable to access opcode bytes at 0x7fbe994e26df.
[   24.895657][  T298] RSP: 002b:00007ffe547837e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.904057][  T298] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbe994e2709
[   24.912018][  T298] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.919978][  T298] RBP: 00007fbe9955e350 R08: ffffffffffffffb8 R09: 0000000000000000
[   24.927947][  T298] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fbe9955e350
[   24.935917][  T298] R13: 0000000000000000 R14: 00007fbe9955eda0 R15: 00007fbe994b36f0
[   24.943879][  T298]  </TASK>
[   24.946882][  T298] Modules linked in:
[   24.950767][  T298] CR2: 0000000000000168
[   24.954910][  T298] ---[ end trace 0000000000000000 ]---
[   24.960343][  T298] RIP: 0010:ihold+0x2a/0x70
[   24.964837][  T298] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 bd 1a 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 2c 45 ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 cd
[   24.984429][  T298] RSP: 0018:ffffc900011bfac0 EFLAGS: 00010246
[   24.990508][  T298] RAX: ffff888101388000 RBX: 0000000000000000 RCX: ffff888101388000
[   24.998469][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.006522][  T298] RBP: ffffc900011bfad0 R08: ffffffff8896a947 R09: 1ffffffff112d528
[   25.014569][  T298] R10: dffffc0000000000 R11: fffffbfff112d529 R12: ffff888103389314
[   25.022553][  T298] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   25.030598][  T298] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   25.039513][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.046082][  T298] CR2: 0000000000000168 CR3: 000000010b728000 CR4: 00000000003526b0
[   25.054054][  T298] Kernel panic - not syncing: Fatal exception
[   25.060366][  T298] Kernel Offset: disabled
[   25.064684][  T298] Rebooting in 86400 seconds..