./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3713655049

<...>
[    4.532611][   T94] udevd[94]: starting version 3.2.11
[    4.615822][   T95] udevd[95]: starting eudev-3.2.11
[    6.213438][   T24] kauditd_printk_skb: 48 callbacks suppressed
[    6.213451][   T24] audit: type=1400 audit(1744877504.680:59): avc:  denied  { search } for  pid=175 comm="ssh-keygen" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:ssh_keygen_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[    6.247723][   T24] audit: type=1400 audit(1744877504.710:60): avc:  denied  { use } for  pid=180 comm="sshd" path="/dev/null" dev="devtmpfs" ino=4 scontext=system_u:system_r:sshd_t tcontext=system_u:system_r:kernel_t tclass=fd permissive=1
[   14.943749][   T24] audit: type=1400 audit(1744877513.410:61): avc:  denied  { transition } for  pid=220 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.951934][   T24] audit: type=1400 audit(1744877513.410:62): avc:  denied  { noatsecure } for  pid=220 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.957846][   T24] audit: type=1400 audit(1744877513.410:63): avc:  denied  { write } for  pid=220 comm="sh" path="pipe:[13084]" dev="pipefs" ino=13084 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   14.969182][   T24] audit: type=1400 audit(1744877513.410:64): avc:  denied  { rlimitinh } for  pid=220 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   14.988218][   T24] audit: type=1400 audit(1744877513.410:65): avc:  denied  { siginh } for  pid=220 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.15' (ED25519) to the list of known hosts.
execve("./syz-executor3713655049", ["./syz-executor3713655049"], 0x7fff362d1540 /* 10 vars */) = 0
brk(NULL)                               = 0x555567b6d000
brk(0x555567b6dd00)                     = 0x555567b6dd00
arch_prctl(ARCH_SET_FS, 0x555567b6d380) = 0
set_tid_address(0x555567b6d650)         = 289
set_robust_list(0x555567b6d660, 24)     = 0
rseq(0x555567b6dca0, 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-executor3713655049", 4096) = 28
getrandom("\xa8\x07\x27\x72\x11\xa4\x0d\xd3", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555567b6dd00
brk(0x555567b8ed00)                     = 0x555567b8ed00
brk(0x555567b8f000)                     = 0x555567b8f000
mprotect(0x7fe184a52000, 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.h7BhQW", 0700)       = 0
chmod("./syzkaller.h7BhQW", 0777)       = 0
chdir("./syzkaller.h7BhQW")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567b6d650) = 290
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x555567b6d660, 24) = 0
[pid   290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   290] getppid()                   = 0
[pid   290] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   290] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   290] unshare(CLONE_NEWNS)        = 0
[pid   290] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   290] unshare(CLONE_NEWCGROUP)    = 0
[pid   290] unshare(CLONE_NEWUTS)       = 0
[pid   290] unshare(CLONE_SYSVSEM)      = 0
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   290] getpid()                    = 1
[pid   290] 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   290] 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   290] unshare(CLONE_NEWNET)       = 0
[pid   290] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "0 65535", 7)      = 7
[pid   290] close(3)                    = 0
[pid   290] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "100000", 6)       = 6
[pid   290] close(3)                    = 0
[pid   290] mkdir("./syz-tmp", 0777)    = 0
[   24.308665][   T24] audit: type=1400 audit(1744877522.770:66): avc:  denied  { execmem } for  pid=289 comm="syz-executor371" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   24.331736][   T24] audit: type=1400 audit(1744877522.790:67): avc:  denied  { mounton } for  pid=290 comm="syz-executor371" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   290] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   290] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   290] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   290] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   290] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   290] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   290] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] 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   290] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   290] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   290] 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   290] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   290] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   290] chdir("/")                  = 0
[pid   290] umount2("./pivot", MNT_DETACH) = 0
[pid   290] chroot("./newroot")         = 0
[pid   290] chdir("/")                  = 0
[pid   290] mkdir("/dev/gadgetfs", 0777) = 0
[   24.375152][   T24] audit: type=1400 audit(1744877522.840:68): avc:  denied  { mounton } for  pid=290 comm="syz-executor371" path="/root/syzkaller.h7BhQW/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   24.399897][   T24] audit: type=1400 audit(1744877522.840:69): avc:  denied  { mount } for  pid=290 comm="syz-executor371" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
executing program
[pid   290] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   290] mkdir("/dev/binderfs", 0777) = 0
[pid   290] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   290] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   290] mkdir("./0", 0777)          = 0
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567b6d650) = 2
./strace-static-x86_64: Process 292 attached
[pid   292] set_robust_list(0x555567b6d660, 24) = 0
[pid   292] chdir("./0")                = 0
[pid   292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   292] setpgid(0, 0)               = 0
[pid   292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   292] write(3, "1000", 4)         = 4
[pid   292] close(3)                    = 0
[pid   292] symlink("/dev/binderfs", "./binderfs") = 0
[pid   292] write(1, "executing program\n", 18) = 18
[pid   292] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   292] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   292] mount("./file0", "./file0", "incremental-fs", MS_RDONLY, NULL) = 0
[pid   292] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   292] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   292] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   292] exit_group(0)               = ?
[pid   292] +++ exited with 0 +++
[pid   290] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1} ---
[pid   290] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   290] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   290] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   290] getdents64(3, 0x555567b6e6f0 /* 6 entries */, 32768) = 176
[pid   290] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   290] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   290] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   290] getdents64(4, 0x555567b76730 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x555567b76730 /* 0 entries */, 32768) = 0
[pid   290] close(4)                    = 0
[pid   290] rmdir("./0/.incomplete")    = 0
[pid   290] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   24.402028][  T290] request_module fs-gadgetfs succeeded, but still no fs?
[   24.422465][   T24] audit: type=1400 audit(1744877522.850:70): avc:  denied  { mounton } for  pid=290 comm="syz-executor371" path="/root/syzkaller.h7BhQW/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
[   24.435420][  T292] incfs: ino conflict with backing FS 9
[pid   290] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   290] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   290] getdents64(4, 0x555567b76730 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x555567b76730 /* 0 entries */, 32768) = 0
[pid   290] close(4)                    = 0
[pid   290] rmdir("./0/.index")         = 0
[   24.454532][   T24] audit: type=1400 audit(1744877522.850:71): avc:  denied  { mount } for  pid=290 comm="syz-executor371" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   24.481122][  T290] ------------[ cut here ]------------
[   24.481612][   T24] audit: type=1400 audit(1744877522.850:72): avc:  denied  { mounton } for  pid=290 comm="syz-executor371" path="/root/syzkaller.h7BhQW/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
[   24.486989][  T290] WARNING: CPU: 0 PID: 290 at fs/inode.c:304 drop_nlink+0xc1/0x110
[   24.512929][   T24] audit: type=1400 audit(1744877522.850:73): avc:  denied  { mounton } for  pid=290 comm="syz-executor371" path="/root/syzkaller.h7BhQW/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13180 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   24.520841][  T290] Modules linked in:
[   24.548008][   T24] audit: type=1400 audit(1744877522.850:74): avc:  denied  { unmount } for  pid=290 comm="syz-executor371" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.571109][  T290] 
[   24.571135][  T290] CPU: 0 PID: 290 Comm: syz-executor371 Not tainted 5.10.236-syzkaller-00709-gba8b8b193394 #0
[   24.571150][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   24.573320][   T24] audit: type=1400 audit(1744877522.870:75): avc:  denied  { mounton } for  pid=290 comm="syz-executor371" path="/dev/gadgetfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.584263][  T290] RIP: 0010:drop_nlink+0xc1/0x110
[   24.621029][  T290] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 97 ca f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 7f 28 b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   24.640507][  T290] RSP: 0018:ffffc90000b47be8 EFLAGS: 00010293
[   24.646387][  T290] RAX: ffffffff81b7a5a1 RBX: 0000000000000000 RCX: ffff88810d11bb40
[   24.654192][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.661976][  T290] RBP: ffffc90000b47c10 R08: ffffffff81b7a524 R09: 0000000000000003
[   24.669820][  T290] R10: fffff52000168f6c R11: dffffc0000000001 R12: dffffc0000000000
[   24.677619][  T290] R13: 1ffff11020f32511 R14: ffff888107992840 R15: ffff888107992888
[   24.685442][  T290] FS:  0000555567b6d380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.694197][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.700597][  T290] CR2: 0000555567b7e738 CR3: 000000011b073000 CR4: 00000000003506b0
[   24.708440][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.716273][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.724050][  T290] Call Trace:
[   24.727165][  T290]  shmem_rmdir+0x59/0x90
[   24.731234][  T290]  vfs_rmdir+0x2b7/0x3f0
[   24.735349][  T290]  incfs_kill_sb+0x108/0x220
[   24.739747][  T290]  deactivate_locked_super+0xad/0x110
[   24.744990][  T290]  deactivate_super+0xbe/0xf0
[   24.749467][  T290]  cleanup_mnt+0x45c/0x510
[   24.753794][  T290]  __cleanup_mnt+0x19/0x20
[   24.757980][  T290]  task_work_run+0x129/0x190
[   24.762401][  T290]  ptrace_notify+0x29e/0x350
[   24.766916][  T290]  ? do_notify_parent+0xa10/0xa10
[   24.771685][  T290]  ? user_path_at_empty+0x40/0x50
[   24.776582][  T290]  ? __x64_sys_umount+0x122/0x170
[   24.781406][  T290]  ? path_umount+0xea0/0xea0
[   24.785867][  T290]  syscall_exit_to_user_mode+0xf5/0x1a0
[   24.791212][  T290]  do_syscall_64+0x40/0x70
[   24.795511][  T290]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   24.801198][  T290] RIP: 0033:0x7fe1849dfac7
[   24.805501][  T290] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   24.824925][  T290] RSP: 002b:00007ffc26031b18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   24.833128][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe1849dfac7
[   24.841122][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26031bd0
[   24.848909][  T290] RBP: 00007ffc26031bd0 R08: 0000000000000000 R09: 0000000000000000
[   24.856734][  T290] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc26032c40
[   24.864522][  T290] R13: 0000555567b6e6c0 R14: 00007ffc26032c40 R15: 0000000000000001
[   24.872313][  T290] ---[ end trace 18cbcc50f10f0af2 ]---
[   24.877694][  T290] ==================================================================
[   24.885514][  T290] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   24.891580][  T290] Write of size 4 at addr 0000000000000170 by task syz-executor371/290
[   24.899645][  T290] 
[   24.901822][  T290] CPU: 0 PID: 290 Comm: syz-executor371 Tainted: G        W         5.10.236-syzkaller-00709-gba8b8b193394 #0
[   24.913278][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   24.923344][  T290] Call Trace:
[   24.926481][  T290]  dump_stack_lvl+0x1e2/0x24b
[   24.930995][  T290]  ? panic+0x812/0x812
[   24.934898][  T290]  ? bfq_pos_tree_add_move+0x43b/0x43b
[   24.940371][  T290]  ? _raw_spin_lock+0xa4/0x1b0
[   24.945053][  T290]  ? _raw_spin_trylock_bh+0x190/0x190
[   24.950420][  T290]  kasan_report+0x167/0x1c0
[   24.954757][  T290]  ? ihold+0x20/0x60
[   24.958486][  T290]  ? ihold+0x20/0x60
[   24.962218][  T290]  kasan_check_range+0x293/0x2a0
[   24.966998][  T290]  __kasan_check_write+0x14/0x20
[   24.971768][  T290]  ihold+0x20/0x60
[   24.975329][  T290]  vfs_rmdir+0x200/0x3f0
[   24.979404][  T290]  incfs_kill_sb+0x108/0x220
[   24.983840][  T290]  deactivate_locked_super+0xad/0x110
[   24.989171][  T290]  deactivate_super+0xbe/0xf0
[   24.993675][  T290]  cleanup_mnt+0x45c/0x510
[   24.997933][  T290]  __cleanup_mnt+0x19/0x20
[   25.002190][  T290]  task_work_run+0x129/0x190
[   25.006614][  T290]  ptrace_notify+0x29e/0x350
[   25.011033][  T290]  ? do_notify_parent+0xa10/0xa10
[   25.015892][  T290]  ? user_path_at_empty+0x40/0x50
[   25.020748][  T290]  ? __x64_sys_umount+0x122/0x170
[   25.025612][  T290]  ? path_umount+0xea0/0xea0
[   25.030040][  T290]  syscall_exit_to_user_mode+0xf5/0x1a0
[   25.035416][  T290]  do_syscall_64+0x40/0x70
[   25.039669][  T290]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   25.045394][  T290] RIP: 0033:0x7fe1849dfac7
[   25.049786][  T290] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.069284][  T290] RSP: 002b:00007ffc26031b18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   25.077520][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe1849dfac7
[   25.085344][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26031bd0
[   25.093145][  T290] RBP: 00007ffc26031bd0 R08: 0000000000000000 R09: 0000000000000000
[   25.100952][  T290] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc26032c40
[   25.108779][  T290] R13: 0000555567b6e6c0 R14: 00007ffc26032c40 R15: 0000000000000001
[   25.116740][  T290] ==================================================================
[   25.124658][  T290] Disabling lock debugging due to kernel taint
[   25.130805][  T290] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   25.138427][  T290] #PF: supervisor write access in kernel mode
[   25.144322][  T290] #PF: error_code(0x0002) - not-present page
[   25.150142][  T290] PGD 0 P4D 0 
[   25.153351][  T290] Oops: 0002 [#1] PREEMPT SMP KASAN
[   25.158388][  T290] CPU: 0 PID: 290 Comm: syz-executor371 Tainted: G    B   W         5.10.236-syzkaller-00709-gba8b8b193394 #0
[   25.169838][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   25.179754][  T290] RIP: 0010:ihold+0x25/0x60
[   25.184078][  T290] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 91 20 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 c2 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 14 24 b3
[   25.203515][  T290] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246
[   25.209415][  T290] RAX: ffff88810d11bb00 RBX: 0000000000000001 RCX: ffff88810d11bb40
[   25.217244][  T290] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   25.225050][  T290] RBP: ffffc90000b47c38 R08: ffffffff813e32ab R09: 0000000000000003
[   25.233023][  T290] R10: fffffbfff0e11448 R11: dffffc0000000001 R12: dffffc0000000000
[   25.240834][  T290] R13: ffff88811c3cccc0 R14: 0000000000000000 R15: 0000000000000000
[   25.248651][  T290] FS:  0000555567b6d380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.257410][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.263842][  T290] CR2: 0000000000000170 CR3: 000000011b073000 CR4: 00000000003506b0
[   25.271744][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.279545][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.287435][  T290] Call Trace:
[   25.290691][  T290]  vfs_rmdir+0x200/0x3f0
[   25.295174][  T290]  incfs_kill_sb+0x108/0x220
[   25.300075][  T290]  deactivate_locked_super+0xad/0x110
[   25.305412][  T290]  deactivate_super+0xbe/0xf0
[   25.309921][  T290]  cleanup_mnt+0x45c/0x510
[   25.314178][  T290]  __cleanup_mnt+0x19/0x20
[   25.318428][  T290]  task_work_run+0x129/0x190
[   25.322852][  T290]  ptrace_notify+0x29e/0x350
[   25.327285][  T290]  ? do_notify_parent+0xa10/0xa10
[   25.332147][  T290]  ? user_path_at_empty+0x40/0x50
[   25.337015][  T290]  ? __x64_sys_umount+0x122/0x170
[   25.341883][  T290]  ? path_umount+0xea0/0xea0
[   25.346357][  T290]  syscall_exit_to_user_mode+0xf5/0x1a0
[   25.351695][  T290]  do_syscall_64+0x40/0x70
[   25.355924][  T290]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   25.361645][  T290] RIP: 0033:0x7fe1849dfac7
[   25.365903][  T290] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.385342][  T290] RSP: 002b:00007ffc26031b18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   25.393597][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe1849dfac7
[   25.401396][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc26031bd0
[   25.409293][  T290] RBP: 00007ffc26031bd0 R08: 0000000000000000 R09: 0000000000000000
[   25.417123][  T290] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc26032c40
[   25.424917][  T290] R13: 0000555567b6e6c0 R14: 00007ffc26032c40 R15: 0000000000000001
[   25.432923][  T290] Modules linked in:
[   25.436654][  T290] CR2: 0000000000000170
[   25.440652][  T290] ---[ end trace 18cbcc50f10f0af3 ]---
[   25.445937][  T290] RIP: 0010:ihold+0x25/0x60
[   25.450299][  T290] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 91 20 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 80 c2 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 14 24 b3
[   25.469798][  T290] RSP: 0018:ffffc90000b47c28 EFLAGS: 00010246
[   25.475696][  T290] RAX: ffff88810d11bb00 RBX: 0000000000000001 RCX: ffff88810d11bb40
[   25.483519][  T290] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   25.491325][  T290] RBP: ffffc90000b47c38 R08: ffffffff813e32ab R09: 0000000000000003
[   25.499134][  T290] R10: fffffbfff0e11448 R11: dffffc0000000001 R12: dffffc0000000000
[   25.507025][  T290] R13: ffff88811c3cccc0 R14: 0000000000000000 R15: 0000000000000000
[   25.514855][  T290] FS:  0000555567b6d380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.523610][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.530025][  T290] CR2: 0000000000000170 CR3: 000000011b073000 CR4: 00000000003506b0
[   25.538025][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.545830][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.554253][  T290] Kernel panic - not syncing: Fatal exception
[   25.560346][  T290] Kernel Offset: disabled
[   25.564541][  T290] Rebooting in 86400 seconds..