./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4263279980

<...>
Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts.
execve("./syz-executor4263279980", ["./syz-executor4263279980"], 0x7ffeaa60c440 /* 10 vars */) = 0
brk(NULL)                               = 0x55555b445000
brk(0x55555b445d00)                     = 0x55555b445d00
arch_prctl(ARCH_SET_FS, 0x55555b445380) = 0
set_tid_address(0x55555b445650)         = 296
set_robust_list(0x55555b445660, 24)     = 0
rseq(0x55555b445ca0, 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-executor4263279980", 4096) = 28
getrandom("\x28\x7b\x12\x6a\x78\xe1\x75\x7f", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555b445d00
brk(0x55555b466d00)                     = 0x55555b466d00
brk(0x55555b467000)                     = 0x55555b467000
mprotect(0x7fbf875da000, 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.oR6rJr", 0700)       = 0
chmod("./syzkaller.oR6rJr", 0777)       = 0
chdir("./syzkaller.oR6rJr")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b445650) = 297
./strace-static-x86_64: Process 297 attached
[pid   297] set_robust_list(0x55555b445660, 24) = 0
[pid   297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   297] getppid()                   = 0
[pid   297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   297] unshare(CLONE_NEWNS)        = 0
[pid   297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   297] unshare(CLONE_NEWCGROUP)    = 0
[   22.646170][   T36] audit: type=1400 audit(1750455915.880:64): avc:  denied  { execmem } for  pid=296 comm="syz-executor426" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid   297] unshare(CLONE_NEWUTS)       = 0
[pid   297] unshare(CLONE_SYSVSEM)      = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   297] getpid()                    = 1
[pid   297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   297] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid   297] unshare(CLONE_NEWNET)       = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "0 65535", 7)      = 7
[pid   297] close(3)                    = 0
[pid   297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   297] write(3, "100000", 6)       = 6
[pid   297] close(3)                    = 0
[pid   297] mkdir("./syz-tmp", 0777)    = 0
[pid   297] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   297] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] 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   297] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   297] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   297] 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   297] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   297] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   297] chdir("/")                  = 0
[pid   297] umount2("./pivot", MNT_DETACH) = 0
[pid   297] chroot("./newroot")         = 0
[pid   297] chdir("/")                  = 0
[pid   297] mkdir("/dev/gadgetfs", 0777) = 0
[pid   297] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   297] mkdir("/dev/binderfs", 0777) = 0
[pid   297] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   297] mkdir("./0", 0777)          = 0
[pid   297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555b445650) = 2
./strace-static-x86_64: Process 298 attached
[pid   298] set_robust_list(0x55555b445660, 24) = 0
[pid   298] chdir("./0")                = 0
[pid   298] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   298] setpgid(0, 0)               = 0
[pid   298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   298] write(3, "1000", 4)         = 4
executing program
[pid   298] close(3)                    = 0
[pid   298] symlink("/dev/binderfs", "./binderfs") = 0
[pid   298] write(1, "executing program\n", 18) = 18
[pid   298] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   298] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   298] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   298] mount("./file0/file0", "./file0/file0", NULL, MS_NOSUID|MS_NOEXEC|MS_SYNCHRONOUS|MS_BIND|MS_POSIXACL|MS_UNBINDABLE|MS_SLAVE|MS_I_VERSION, NULL) = 0
[pid   298] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   298] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   298] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   298] exit_group(0)               = ?
[pid   298] +++ exited with 0 +++
[pid   297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   297] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(3, 0x55555b4466f0 /* 4 entries */, 32768) = 112
[pid   297] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   297] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
[pid   297] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   297] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(4, 0x55555b44e730 /* 4 entries */, 32768) = 112
[pid   297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/file0/file0", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
[pid   297] newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=80, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(5, 0x55555b456770 /* 4 entries */, 32768) = 112
[pid   297] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/file0/file0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/file0/file0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/file0/file0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   297] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(6, 0x55555b45e7b0 /* 2 entries */, 32768) = 48
[pid   297] getdents64(6, 0x55555b45e7b0 /* 0 entries */, 32768) = 0
[pid   297] close(6)                    = 0
[pid   297] rmdir("./0/file0/file0/.incomplete") = 0
[pid   297] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] newfstatat(AT_FDCWD, "./0/file0/file0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   297] umount2("./0/file0/file0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] openat(AT_FDCWD, "./0/file0/file0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
[pid   297] newfstatat(6, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   297] getdents64(6, 0x55555b45e7b0 /* 2 entries */, 32768) = 48
[pid   297] getdents64(6, 0x55555b45e7b0 /* 0 entries */, 32768) = 0
[pid   297] close(6)                    = 0
[pid   297] rmdir("./0/file0/file0/.index") = 0
[pid   297] getdents64(5, 0x55555b456770 /* 0 entries */, 32768) = 0
[pid   297] close(5)                    = 0
[pid   297] rmdir("./0/file0/file0")    = -1 EBUSY (Device or resource busy)
[pid   297] umount2("./0/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   297] exit_group(1)               = ?
[   22.669727][   T36] audit: type=1400 audit(1750455915.880:65): avc:  denied  { mounton } for  pid=297 comm="syz-executor426" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   22.700856][   T36] audit: type=1400 audit(1750455915.900:66): avc:  denied  { mounton } for  pid=297 comm="syz-executor426" path="/root/syzkaller.oR6rJr/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   22.730253][   T36] audit: type=1400 audit(1750455915.910:67): avc:  denied  { mount } for  pid=297 comm="syz-executor426" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   22.760008][   T36] audit: type=1400 audit(1750455915.910:68): avc:  denied  { mounton } for  pid=297 comm="syz-executor426" path="/root/syzkaller.oR6rJr/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
[   22.760935][  T297] ------------[ cut here ]------------
[   22.790988][   T36] audit: type=1400 audit(1750455915.910:69): avc:  denied  { mount } for  pid=297 comm="syz-executor426" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   22.797632][  T297] WARNING: CPU: 0 PID: 297 at fs/inode.c:340 drop_nlink+0xce/0x110
[   22.823596][   T36] audit: type=1400 audit(1750455915.910:70): avc:  denied  { mounton } for  pid=297 comm="syz-executor426" path="/root/syzkaller.oR6rJr/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
[   22.831938][  T297] Modules linked in:
[   22.863867][   T36] audit: type=1400 audit(1750455915.910:71): avc:  denied  { mounton } for  pid=297 comm="syz-executor426" path="/root/syzkaller.oR6rJr/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=2845 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   22.867713][  T297] CPU: 0 UID: 0 PID: 297 Comm: syz-executor426 Not tainted 6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
[   22.926189][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   22.926269][   T36] audit: type=1400 audit(1750455915.910:72): avc:  denied  { unmount } for  pid=297 comm="syz-executor426" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   22.940051][  T297] RIP: 0010:drop_nlink+0xce/0x110
[   22.963605][   T36] audit: type=1400 audit(1750455915.930:73): avc:  denied  { mounton } for  pid=297 comm="syz-executor426" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   22.969156][  T297] Code: 04 00 00 be 08 00 00 00 e8 7f 56 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 e2 68 98 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[   23.022108][  T297] RSP: 0018:ffffc900011ffa80 EFLAGS: 00010293
[   23.028651][  T297] RAX: ffffffff81ed146e RBX: ffff88811df43bf0 RCX: ffff88810b2d2600
[   23.037318][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.047252][  T297] RBP: ffffc900011ffaa8 R08: 0000000000000003 R09: 0000000000000004
[   23.056344][  T297] R10: dffffc0000000000 R11: fffff5200023ff40 R12: dffffc0000000000
[   23.064863][  T297] R13: 1ffff11023be8787 R14: ffff88811df43c38 R15: 0000000000000000
[   23.074158][  T297] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   23.084505][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.093168][  T297] CR2: 00007fbf875e11b0 CR3: 000000010afe6000 CR4: 00000000003526b0
[   23.106528][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.117110][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.127186][  T297] Call Trace:
[   23.131176][  T297]  <TASK>
[   23.135067][  T297]  shmem_rmdir+0x5f/0x90
[   23.140276][  T297]  vfs_rmdir+0x3dd/0x560
[   23.145060][  T297]  incfs_kill_sb+0x109/0x230
[   23.151832][  T297]  deactivate_locked_super+0xd5/0x2a0
[   23.160280][  T297]  deactivate_super+0xb8/0xe0
[   23.167202][  T297]  cleanup_mnt+0x3f1/0x480
[   23.174520][  T297]  __cleanup_mnt+0x1d/0x40
[   23.179289][  T297]  task_work_run+0x1e0/0x250
[   23.186046][  T297]  ? __cfi_task_work_run+0x10/0x10
[   23.194837][  T297]  ? free_nsproxy+0x223/0x290
[   23.203119][  T297]  do_exit+0x9b4/0x2630
[   23.210222][  T297]  ? __cfi_do_exit+0x10/0x10
[   23.217850][  T297]  ? __kasan_check_write+0x18/0x20
[   23.224922][  T297]  ? _raw_spin_lock_irq+0x8d/0x120
[   23.231994][  T297]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   23.239412][  T297]  ? zap_other_threads+0x334/0x370
[   23.245909][  T297]  do_group_exit+0x22a/0x300
[   23.251199][  T297]  __x64_sys_exit_group+0x43/0x50
[   23.261901][  T297]  x64_sys_call+0x2ed2/0x2ee0
[   23.268159][  T297]  do_syscall_64+0x58/0xf0
[   23.273126][  T297]  ? clear_bhb_loop+0x35/0x90
[   23.278835][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   23.286280][  T297] RIP: 0033:0x7fbf87564789
[   23.291256][  T297] Code: Unable to access opcode bytes at 0x7fbf8756475f.
[   23.300410][  T297] RSP: 002b:00007ffee01662c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.308895][  T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbf87564789
[   23.321878][  T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   23.332519][  T297] RBP: 00007fbf875e0350 R08: ffffffffffffffb8 R09: 0000000000000000
[   23.342701][  T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fbf875e0350
[   23.354798][  T297] R13: 0000000000000000 R14: 00007fbf875e0da0 R15: 00007fbf87535760
[   23.364342][  T297]  </TASK>
[   23.368263][  T297] ---[ end trace 0000000000000000 ]---
[   23.375212][  T297] ==================================================================
[   23.383725][  T297] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   23.391385][  T297] Write of size 4 at addr 0000000000000168 by task syz-executor426/297
[   23.402323][  T297] 
[   23.404827][  T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor426 Tainted: G        W          6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
[   23.404849][  T297] Tainted: [W]=WARN
[   23.404852][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   23.404859][  T297] Call Trace:
[   23.404864][  T297]  <TASK>
[   23.404870][  T297]  __dump_stack+0x21/0x30
[   23.404887][  T297]  dump_stack_lvl+0x10c/0x190
[   23.404898][  T297]  ? __cfi_dump_stack_lvl+0x10/0x10
[   23.404909][  T297]  print_report+0x3d/0x70
[   23.404918][  T297]  kasan_report+0x163/0x1a0
[   23.404931][  T297]  ? ihold+0x24/0x70
[   23.404945][  T297]  ? _raw_spin_unlock+0x45/0x60
[   23.404957][  T297]  ? ihold+0x24/0x70
[   23.404968][  T297]  kasan_check_range+0x299/0x2a0
[   23.404980][  T297]  __kasan_check_write+0x18/0x20
[   23.404990][  T297]  ihold+0x24/0x70
[   23.405001][  T297]  vfs_rmdir+0x26a/0x560
[   23.405010][  T297]  incfs_kill_sb+0x109/0x230
[   23.405021][  T297]  deactivate_locked_super+0xd5/0x2a0
[   23.405030][  T297]  deactivate_super+0xb8/0xe0
[   23.405039][  T297]  cleanup_mnt+0x3f1/0x480
[   23.405051][  T297]  __cleanup_mnt+0x1d/0x40
[   23.405062][  T297]  task_work_run+0x1e0/0x250
[   23.405072][  T297]  ? __cfi_task_work_run+0x10/0x10
[   23.405080][  T297]  ? free_nsproxy+0x223/0x290
[   23.405091][  T297]  do_exit+0x9b4/0x2630
[   23.405101][  T297]  ? __cfi_do_exit+0x10/0x10
[   23.405110][  T297]  ? __kasan_check_write+0x18/0x20
[   23.405119][  T297]  ? _raw_spin_lock_irq+0x8d/0x120
[   23.405131][  T297]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   23.405142][  T297]  ? zap_other_threads+0x334/0x370
[   23.405156][  T297]  do_group_exit+0x22a/0x300
[   23.405165][  T297]  __x64_sys_exit_group+0x43/0x50
[   23.405174][  T297]  x64_sys_call+0x2ed2/0x2ee0
[   23.405185][  T297]  do_syscall_64+0x58/0xf0
[   23.405197][  T297]  ? clear_bhb_loop+0x35/0x90
[   23.405211][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   23.405225][  T297] RIP: 0033:0x7fbf87564789
[   23.405233][  T297] Code: Unable to access opcode bytes at 0x7fbf8756475f.
[   23.405238][  T297] RSP: 002b:00007ffee01662c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   23.405250][  T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbf87564789
[   23.405257][  T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   23.405263][  T297] RBP: 00007fbf875e0350 R08: ffffffffffffffb8 R09: 0000000000000000
[   23.405270][  T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fbf875e0350
[   23.405276][  T297] R13: 0000000000000000 R14: 00007fbf875e0da0 R15: 00007fbf87535760
[   23.405284][  T297]  </TASK>
[   23.405288][  T297] ==================================================================
[   23.716589][  T297] Disabling lock debugging due to kernel taint
[   23.722887][  T297] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   23.733198][  T297] #PF: supervisor write access in kernel mode
[   23.740478][  T297] #PF: error_code(0x0002) - not-present page
[   23.748787][  T297] PGD 0 P4D 0 
[   23.752701][  T297] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   23.760811][  T297] CPU: 1 UID: 0 PID: 297 Comm: syz-executor426 Tainted: G    B   W          6.12.23-syzkaller-g6c1c18fcb8b7 #0 ba78288b1e32eb9f88d3f8d8da6b79a037cd8362
[   23.779627][  T297] Tainted: [B]=BAD_PAGE, [W]=WARN
[   23.785682][  T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   23.797392][  T297] RIP: 0010:ihold+0x2a/0x70
[   23.805650][  T297] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 cd 5f 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 3c 4d 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 dd
[   23.830641][  T297] RSP: 0018:ffffc900011ffac0 EFLAGS: 00010246
[   23.838695][  T297] RAX: ffff88810b2d2600 RBX: 0000000000000000 RCX: ffff88810b2d2600
[   23.848379][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.858066][  T297] RBP: ffffc900011ffad0 R08: ffffffff88954947 R09: 1ffffffff112a928
[   23.867350][  T297] R10: dffffc0000000000 R11: fffffbfff112a929 R12: ffff88811df43bfc
[   23.877291][  T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   23.885789][  T297] FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   23.895678][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.903062][  T297] CR2: 0000000000000168 CR3: 000000011dcf0000 CR4: 00000000003526b0
[   23.912399][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.922361][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.932731][  T297] Call Trace:
[   23.936186][  T297]  <TASK>
[   23.939859][  T297]  vfs_rmdir+0x26a/0x560
[   23.945000][  T297]  incfs_kill_sb+0x109/0x230
[   23.950669][  T297]  deactivate_locked_super+0xd5/0x2a0
[   23.956886][  T297]  deactivate_super+0xb8/0xe0
[   23.962480][  T297]  cleanup_mnt+0x3f1/0x480
[   23.967180][  T297]  __cleanup_mnt+0x1d/0x40
[   23.972383][  T297]  task_work_run+0x1e0/0x250
[   23.977247][  T297]  ? __cfi_task_work_run+0x10/0x10
[   23.984335][  T297]  ? free_nsproxy+0x223/0x290
[   23.989903][  T297]  do_exit+0x9b4/0x2630
[   23.995016][  T297]  ? __cfi_do_exit+0x10/0x10
[   23.999730][  T297]  ? __kasan_check_write+0x18/0x20
[   24.006061][  T297]  ? _raw_spin_lock_irq+0x8d/0x120
[   24.012363][  T297]  ? __cfi__raw_spin_lock_irq+0x10/0x10
[   24.018171][  T297]  ? zap_other_threads+0x334/0x370
[   24.023467][  T297]  do_group_exit+0x22a/0x300
[   24.028750][  T297]  __x64_sys_exit_group+0x43/0x50
[   24.034483][  T297]  x64_sys_call+0x2ed2/0x2ee0
[   24.039829][  T297]  do_syscall_64+0x58/0xf0
[   24.044618][  T297]  ? clear_bhb_loop+0x35/0x90
[   24.049747][  T297]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   24.056870][  T297] RIP: 0033:0x7fbf87564789
[   24.061472][  T297] Code: Unable to access opcode bytes at 0x7fbf8756475f.
[   24.069722][  T297] RSP: 002b:00007ffee01662c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   24.078229][  T297] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbf87564789
[   24.086637][  T297] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   24.095100][  T297] RBP: 00007fbf875e0350 R08: ffffffffffffffb8 R09: 0000000000000000
[   24.103156][  T297] R10: 0000000000001000 R11: 0000000000000246 R12: 00007fbf875e0350
[   24.111242][  T297] R13: 0000000000000000 R14: 00007fbf875e0da0 R15: 00007fbf87535760
[   24.119737][  T297]  </TASK>
[   24.123078][  T297] Modules linked in:
[   24.127589][  T297] CR2: 0000000000000168
[   24.132083][  T297] ---[ end trace 0000000000000000 ]---
[   24.138149][  T297] RIP: 0010:ihold+0x2a/0x70
[   24.143094][  T297] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 cd 5f 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 3c 4d 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 dd
[   24.163478][  T297] RSP: 0018:ffffc900011ffac0 EFLAGS: 00010246
[   24.169711][  T297] RAX: ffff88810b2d2600 RBX: 0000000000000000 RCX: ffff88810b2d2600
[   24.177669][  T297] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.186338][  T297] RBP: ffffc900011ffad0 R08: ffffffff88954947 R09: 1ffffffff112a928
[   24.195084][  T297] R10: dffffc0000000000 R11: fffffbfff112a929 R12: ffff88811df43bfc
[   24.203685][  T297] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[   24.213040][  T297] FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   24.222332][  T297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.228927][  T297] CR2: 0000000000000168 CR3: 000000011dcf0000 CR4: 00000000003526b0
[   24.236980][  T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.245850][  T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.253918][  T297] Kernel panic - not syncing: Fatal exception
[   24.261059][  T297] Kernel Offset: disabled
[   24.267997][  T297] Rebooting in 86400 seconds..