./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1163633557

<...>
Warning: Permanently added '10.128.0.140' (ED25519) to the list of known hosts.
execve("./syz-executor1163633557", ["./syz-executor1163633557"], 0x7ffc82b7d9a0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555705d2000
brk(0x5555705d2e00)                     = 0x5555705d2e00
arch_prctl(ARCH_SET_FS, 0x5555705d2480) = 0
set_tid_address(0x5555705d2750)         = 289
set_robust_list(0x5555705d2760, 24)     = 0
rseq(0x5555705d2da0, 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-executor1163633557", 4096) = 28
getrandom("\x17\xd2\x49\xf0\x3b\x86\x32\xa8", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555705d2e00
brk(0x5555705f3e00)                     = 0x5555705f3e00
brk(0x5555705f4000)                     = 0x5555705f4000
mprotect(0x7f8412503000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
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=0x7f8412459df0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f8412461b40}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f8412459df0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f8412461b40}, NULL, 8) = 0
mkdir("./syzkaller.sIGS8M", 0700)       = 0
chmod("./syzkaller.sIGS8M", 0777)       = 0
chdir("./syzkaller.sIGS8M")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555705d2750) = 290
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x5555705d2760, 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
[   23.177215][   T24] audit: type=1400 audit(1741303195.220:66): avc:  denied  { execmem } for  pid=289 comm="syz-executor116" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.203315][   T24] audit: type=1400 audit(1741303195.240:67): avc:  denied  { mounton } for  pid=290 comm="syz-executor116" 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
[   23.229534][   T24] audit: type=1400 audit(1741303195.270:68): avc:  denied  { mounton } for  pid=290 comm="syz-executor116" path="/root/syzkaller.sIGS8M/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.253794][   T24] audit: type=1400 audit(1741303195.270:69): avc:  denied  { mount } for  pid=290 comm="syz-executor116" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[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] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   290] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   290] close(3)                    = 0
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555705d2750) = 2
./strace-static-x86_64: Process 291 attached
[pid   291] set_robust_list(0x5555705d2760, 24) = 0
[pid   291] chdir("./0")                = 0
[pid   291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   291] setpgid(0, 0)               = 0
[pid   291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   291] write(3, "1000", 4)         = 4
[pid   291] close(3)                    = 0
[pid   291] symlink("/dev/binderfs", "./binderfs") = 0
[pid   291] write(1, "executing program\n", 18executing program
) = 18
[pid   291] mkdir("./file0", 0777)      = 0
[pid   291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   291] open_tree(AT_FDCWD, "", OPEN_TREE_CLONE|OPEN_TREE_CLOEXEC|AT_SYMLINK_NOFOLLOW|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|AT_RECURSIVE) = 3
[pid   291] move_mount(3, ".", AT_FDCWD, "./file0", 0) = 0
[pid   291] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   291] close(3)                    = 0
[   23.256357][  T290] request_module fs-gadgetfs succeeded, but still no fs?
[   23.275652][   T24] audit: type=1400 audit(1741303195.280:70): avc:  denied  { mounton } for  pid=290 comm="syz-executor116" path="/root/syzkaller.sIGS8M/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
[   23.275667][   T24] audit: type=1400 audit(1741303195.280:71): avc:  denied  { mount } for  pid=290 comm="syz-executor116" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid   291] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   291] exit_group(0)               = ?
[pid   291] +++ 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=2} ---
[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, 0x5555705d37f0 /* 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, 0x5555705db830 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x5555705db830 /* 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
[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, 0x5555705db830 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x5555705db830 /* 0 entries */, 32768) = 0
[pid   290] close(4)                    = 0
[pid   290] rmdir("./0/.index")         = 0
[   23.275682][   T24] audit: type=1400 audit(1741303195.280:72): avc:  denied  { mounton } for  pid=290 comm="syz-executor116" path="/root/syzkaller.sIGS8M/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
[   23.275695][   T24] audit: type=1400 audit(1741303195.280:73): avc:  denied  { mounton } for  pid=290 comm="syz-executor116" path="/root/syzkaller.sIGS8M/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13090 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   23.275711][   T24] audit: type=1400 audit(1741303195.290:74): avc:  denied  { unmount } for  pid=290 comm="syz-executor116" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   23.303238][  T291] incfs: ino conflict with backing FS 9
[   23.307802][   T24] audit: type=1400 audit(1741303195.290:75): avc:  denied  { mounton } for  pid=290 comm="syz-executor116" path="/dev/gadgetfs" dev="devtmpfs" ino=509 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   23.431366][  T290] ------------[ cut here ]------------
[   23.436643][  T290] WARNING: CPU: 0 PID: 290 at fs/inode.c:304 drop_nlink+0xc1/0x110
[   23.444578][  T290] Modules linked in:
[   23.448385][  T290] CPU: 0 PID: 290 Comm: syz-executor116 Not tainted 5.10.234-syzkaller-00023-g3f5f2283d684 #0
[   23.458351][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   23.468274][  T290] RIP: 0010:drop_nlink+0xc1/0x110
[   23.473090][  T290] Code: 1e 48 8d bb b8 04 00 00 be 08 00 00 00 e8 67 cb f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 0f 2a b3 ff <0f> 0b eb 88 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   23.492609][  T290] RSP: 0018:ffffc90000b07be8 EFLAGS: 00010293
[   23.498468][  T290] RAX: ffffffff81b79551 RBX: 0000000000000000 RCX: ffff88810c0693c0
[   23.506249][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   23.514261][  T290] RBP: ffffc90000b07c10 R08: ffffffff81b794d4 R09: 0000000000000003
[   23.522066][  T290] R10: fffff52000160f6c R11: dffffc0000000001 R12: dffffc0000000000
[   23.529902][  T290] R13: 1ffff1102196cbb5 R14: ffff88810cb65d60 R15: ffff88810cb65da8
[   23.537935][  T290] FS:  00005555705d2480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   23.546661][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.553118][  T290] CR2: 000055d79dfdb338 CR3: 000000011cddc000 CR4: 00000000003506b0
[   23.560912][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   23.568814][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   23.576603][  T290] Call Trace:
[   23.579770][  T290]  ? show_regs+0x58/0x60
[   23.583812][  T290]  ? __warn+0x160/0x2f0
[   23.587834][  T290]  ? drop_nlink+0xc1/0x110
[   23.592061][  T290]  ? report_bug+0x3d9/0x5b0
[   23.596396][  T290]  ? drop_nlink+0xc1/0x110
[   23.600683][  T290]  ? handle_bug+0x41/0x70
[   23.604816][  T290]  ? exc_invalid_op+0x1b/0x50
[   23.609361][  T290]  ? asm_exc_invalid_op+0x12/0x20
[   23.614192][  T290]  ? drop_nlink+0x44/0x110
[   23.618553][  T290]  ? drop_nlink+0xc1/0x110
[   23.622791][  T290]  ? drop_nlink+0xc1/0x110
[   23.627057][  T290]  ? drop_nlink+0xc1/0x110
[   23.631463][  T290]  shmem_rmdir+0x59/0x90
[   23.635542][  T290]  vfs_rmdir+0x2b7/0x3f0
[   23.639648][  T290]  incfs_kill_sb+0x108/0x220
[   23.644048][  T290]  deactivate_locked_super+0xad/0x110
[   23.649282][  T290]  deactivate_super+0xbe/0xf0
[   23.653766][  T290]  cleanup_mnt+0x45c/0x510
[   23.658049][  T290]  __cleanup_mnt+0x19/0x20
[   23.662274][  T290]  task_work_run+0x129/0x190
[   23.666839][  T290]  ptrace_notify+0x29e/0x350
[   23.671223][  T290]  ? do_notify_parent+0xa10/0xa10
[   23.676070][  T290]  ? user_path_at_empty+0x40/0x50
[   23.680973][  T290]  ? __x64_sys_umount+0x122/0x170
[   23.685820][  T290]  ? path_umount+0xea0/0xea0
[   23.690263][  T290]  syscall_exit_to_user_mode+0xf5/0x1a0
[   23.695603][  T290]  do_syscall_64+0x40/0x70
[   23.699888][  T290]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   23.705582][  T290] RIP: 0033:0x7f8412490247
[   23.709871][  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
[   23.729303][  T290] RSP: 002b:00007ffe60a5dc78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   23.738344][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8412490247
[   23.746236][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe60a5dd30
[   23.754109][  T290] RBP: 00007ffe60a5dd30 R08: 0000000000000000 R09: 0000000000000000
[   23.761873][  T290] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe60a5eda0
[   23.769727][  T290] R13: 00005555705d37c0 R14: 431bde82d7b634db R15: 00007ffe60a5edc0
[   23.777495][  T290] ---[ end trace 7d986bc3addde2cf ]---
[   23.782830][  T290] ==================================================================
[   23.790667][  T290] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   23.796761][  T290] Write of size 4 at addr 0000000000000170 by task syz-executor116/290
[   23.804804][  T290] 
[   23.806987][  T290] CPU: 0 PID: 290 Comm: syz-executor116 Tainted: G        W         5.10.234-syzkaller-00023-g3f5f2283d684 #0
[   23.818434][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   23.828335][  T290] Call Trace:
[   23.831460][  T290]  dump_stack_lvl+0x1e2/0x24b
[   23.835966][  T290]  ? panic+0x812/0x812
[   23.839874][  T290]  ? bfq_pos_tree_add_move+0x43b/0x43b
[   23.845165][  T290]  ? _raw_spin_lock+0xa4/0x1b0
[   23.849770][  T290]  ? _raw_spin_trylock_bh+0x190/0x190
[   23.854980][  T290]  kasan_report+0x167/0x1c0
[   23.859554][  T290]  ? ihold+0x20/0x60
[   23.863721][  T290]  ? ihold+0x20/0x60
[   23.867485][  T290]  kasan_check_range+0x293/0x2a0
[   23.872223][  T290]  __kasan_check_write+0x14/0x20
[   23.877002][  T290]  ihold+0x20/0x60
[   23.880555][  T290]  vfs_rmdir+0x200/0x3f0
[   23.884631][  T290]  incfs_kill_sb+0x108/0x220
[   23.889337][  T290]  deactivate_locked_super+0xad/0x110
[   23.894523][  T290]  deactivate_super+0xbe/0xf0
[   23.899037][  T290]  cleanup_mnt+0x45c/0x510
[   23.903292][  T290]  __cleanup_mnt+0x19/0x20
[   23.907565][  T290]  task_work_run+0x129/0x190
[   23.911995][  T290]  ptrace_notify+0x29e/0x350
[   23.916402][  T290]  ? do_notify_parent+0xa10/0xa10
[   23.921262][  T290]  ? user_path_at_empty+0x40/0x50
[   23.926121][  T290]  ? __x64_sys_umount+0x122/0x170
[   23.931107][  T290]  ? path_umount+0xea0/0xea0
[   23.935534][  T290]  syscall_exit_to_user_mode+0xf5/0x1a0
[   23.940916][  T290]  do_syscall_64+0x40/0x70
[   23.945166][  T290]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   23.950893][  T290] RIP: 0033:0x7f8412490247
[   23.955233][  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
[   23.974760][  T290] RSP: 002b:00007ffe60a5dc78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   23.983007][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8412490247
[   23.990819][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe60a5dd30
[   23.998628][  T290] RBP: 00007ffe60a5dd30 R08: 0000000000000000 R09: 0000000000000000
[   24.006612][  T290] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe60a5eda0
[   24.014513][  T290] R13: 00005555705d37c0 R14: 431bde82d7b634db R15: 00007ffe60a5edc0
[   24.022325][  T290] ==================================================================
[   24.030220][  T290] Disabling lock debugging due to kernel taint
[   24.036440][  T290] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   24.044042][  T290] #PF: supervisor write access in kernel mode
[   24.050028][  T290] #PF: error_code(0x0002) - not-present page
[   24.055844][  T290] PGD 0 P4D 0 
[   24.059060][  T290] Oops: 0002 [#1] PREEMPT SMP KASAN
[   24.064102][  T290] CPU: 0 PID: 290 Comm: syz-executor116 Tainted: G    B   W         5.10.234-syzkaller-00023-g3f5f2283d684 #0
[   24.075550][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   24.085454][  T290] RIP: 0010:ihold+0x25/0x60
[   24.089787][  T290] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 21 22 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 50 c3 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 a4 25 b3
[   24.109227][  T290] RSP: 0018:ffffc90000b07c28 EFLAGS: 00010246
[   24.115126][  T290] RAX: ffff88810c069300 RBX: 0000000000000001 RCX: ffff88810c0693c0
[   24.122938][  T290] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   24.130750][  T290] RBP: ffffc90000b07c38 R08: ffffffff813e2b8b R09: 0000000000000003
[   24.138563][  T290] R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
[   24.146371][  T290] R13: ffff88811bfcdee0 R14: 0000000000000000 R15: 0000000000000000
[   24.154191][  T290] FS:  00005555705d2480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.162952][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.169373][  T290] CR2: 0000000000000170 CR3: 000000011cddc000 CR4: 00000000003506b0
[   24.177289][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.185176][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.192977][  T290] Call Trace:
[   24.196115][  T290]  ? __die_body+0x62/0xb0
[   24.200273][  T290]  ? __die+0x7e/0x90
[   24.204005][  T290]  ? no_context+0x9f9/0xd20
[   24.208345][  T290]  ? is_prefetch+0x5c0/0x5c0
[   24.212772][  T290]  ? preempt_schedule+0xd9/0xe0
[   24.217460][  T290]  ? __kasan_check_read+0x11/0x20
[   24.222318][  T290]  ? preempt_schedule_common+0xbe/0xf0
[   24.227614][  T290]  ? preempt_schedule+0xd9/0xe0
[   24.232300][  T290]  ? schedule_preempt_disabled+0x20/0x20
[   24.237772][  T290]  ? sysvec_apic_timer_interrupt+0xcb/0xe0
[   24.243411][  T290]  ? __bad_area_nosemaphore+0xc4/0x430
[   24.248707][  T290]  ? bad_area_nosemaphore+0x2d/0x40
[   24.253741][  T290]  ? exc_page_fault+0x3df/0x5b0
[   24.258429][  T290]  ? asm_exc_page_fault+0x1e/0x30
[   24.263286][  T290]  ? check_panic_on_warn+0x5b/0xb0
[   24.268234][  T290]  ? ihold+0x25/0x60
[   24.272050][  T290]  ? ihold+0x20/0x60
[   24.275784][  T290]  vfs_rmdir+0x200/0x3f0
[   24.279866][  T290]  incfs_kill_sb+0x108/0x220
[   24.284302][  T290]  deactivate_locked_super+0xad/0x110
[   24.289499][  T290]  deactivate_super+0xbe/0xf0
[   24.294013][  T290]  cleanup_mnt+0x45c/0x510
[   24.298266][  T290]  __cleanup_mnt+0x19/0x20
[   24.302518][  T290]  task_work_run+0x129/0x190
[   24.306956][  T290]  ptrace_notify+0x29e/0x350
[   24.311371][  T290]  ? do_notify_parent+0xa10/0xa10
[   24.316232][  T290]  ? user_path_at_empty+0x40/0x50
[   24.321098][  T290]  ? __x64_sys_umount+0x122/0x170
[   24.325952][  T290]  ? path_umount+0xea0/0xea0
[   24.330389][  T290]  syscall_exit_to_user_mode+0xf5/0x1a0
[   24.335761][  T290]  do_syscall_64+0x40/0x70
[   24.340014][  T290]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[   24.345740][  T290] RIP: 0033:0x7f8412490247
[   24.349996][  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
[   24.369436][  T290] RSP: 002b:00007ffe60a5dc78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   24.377678][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f8412490247
[   24.385491][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe60a5dd30
[   24.393305][  T290] RBP: 00007ffe60a5dd30 R08: 0000000000000000 R09: 0000000000000000
[   24.401114][  T290] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe60a5eda0
[   24.408925][  T290] R13: 00005555705d37c0 R14: 431bde82d7b634db R15: 00007ffe60a5edc0
[   24.416750][  T290] Modules linked in:
[   24.420489][  T290] CR2: 0000000000000170
[   24.424478][  T290] ---[ end trace 7d986bc3addde2d0 ]---
[   24.429781][  T290] RIP: 0010:ihold+0x25/0x60
[   24.434101][  T290] Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 21 22 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 50 c3 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 a4 25 b3
[   24.453539][  T290] RSP: 0018:ffffc90000b07c28 EFLAGS: 00010246
[   24.459439][  T290] RAX: ffff88810c069300 RBX: 0000000000000001 RCX: ffff88810c0693c0
[   24.467250][  T290] RDX: 0000000000000000 RSI: 0000000000000282 RDI: 00000000ffffffff
[   24.475062][  T290] RBP: ffffc90000b07c38 R08: ffffffff813e2b8b R09: 0000000000000003
[   24.482875][  T290] R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
[   24.490684][  T290] R13: ffff88811bfcdee0 R14: 0000000000000000 R15: 0000000000000000
[   24.498499][  T290] FS:  00005555705d2480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.507265][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.513685][  T290] CR2: 0000000000000170 CR3: 000000011cddc000 CR4: 00000000003506b0
[   24.521500][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.529310][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.537121][  T290] Kernel panic - not syncing: Fatal exception
[   24.543193][  T290] Kernel Offset: disabled
[   24.547332][  T290] Rebooting in 86400 seconds..