./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor341809304

<...>
Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts.
execve("./syz-executor341809304", ["./syz-executor341809304"], 0x7ffd6f22fb90 /* 10 vars */) = 0
brk(NULL)                               = 0x5555818e7000
brk(0x5555818e7d00)                     = 0x5555818e7d00
arch_prctl(ARCH_SET_FS, 0x5555818e7380) = 0
set_tid_address(0x5555818e7650)         = 291
set_robust_list(0x5555818e7660, 24)     = 0
rseq(0x5555818e7ca0, 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-executor341809304", 4096) = 27
getrandom("\x5f\x2d\xbd\x57\x99\x41\x00\x85", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555818e7d00
brk(0x555581908d00)                     = 0x555581908d00
brk(0x555581909000)                     = 0x555581909000
mprotect(0x7f5128d28000, 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.AYNIvn", 0700)       = 0
chmod("./syzkaller.AYNIvn", 0777)       = 0
chdir("./syzkaller.AYNIvn")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555818e7650) = 292
./strace-static-x86_64: Process 292 attached
[pid   292] set_robust_list(0x5555818e7660, 24) = 0
[pid   292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   292] getppid()                   = 0
[pid   292] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   292] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   292] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   292] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   292] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   292] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   292] unshare(CLONE_NEWNS)        = 0
[pid   292] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   292] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   292] unshare(CLONE_NEWCGROUP)    = 0
[pid   292] unshare(CLONE_NEWUTS)       = 0
[pid   292] unshare(CLONE_SYSVSEM)      = 0
[pid   292] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   292] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   292] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   292] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   292] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   292] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   292] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   292] getpid()                    = 1
[pid   292] 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   292] 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   292] unshare(CLONE_NEWNET)       = 0
[pid   292] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   292] write(3, "0 65535", 7)      = 7
[pid   292] close(3)                    = 0
[pid   292] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   292] write(3, "100000", 6)       = 6
[pid   292] close(3)                    = 0
[pid   292] mkdir("./syz-tmp", 0777)    = 0
[pid   292] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   292] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   292] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   292] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   292] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   292] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   292] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   292] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   292] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   292] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   292] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   292] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   292] 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   292] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   292] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   292] 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   292] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   292] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   292] chdir("/")                  = 0
[pid   292] umount2("./pivot", MNT_DETACH) = 0
[pid   292] chroot("./newroot")         = 0
[pid   292] chdir("/")                  = 0
[pid   292] mkdir("/dev/gadgetfs", 0777) = 0
[   21.488263][   T28] audit: type=1400 audit(1755210061.804:64): avc:  denied  { execmem } for  pid=291 comm="syz-executor341" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.494364][   T28] audit: type=1400 audit(1755210061.814:65): avc:  denied  { mounton } for  pid=292 comm="syz-executor341" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[   21.507118][   T28] audit: type=1400 audit(1755210061.824:66): avc:  denied  { mounton } for  pid=292 comm="syz-executor341" path="/root/syzkaller.AYNIvn/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[pid   292] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   292] mkdir("/dev/binderfs", 0777) = 0
[pid   292] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   292] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   292] mkdir("./0", 0777)          = 0
[pid   292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555818e7650) = 2
./strace-static-x86_64: Process 293 attached
[pid   293] set_robust_list(0x5555818e7660, 24) = 0
[pid   293] chdir("./0")                = 0
[pid   293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   293] setpgid(0, 0)               = 0
[pid   293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   293] write(3, "1000", 4)         = 4
[pid   293] close(3)                    = 0
[pid   293] symlink("/dev/binderfs", "./binderfs") = 0
[pid   293] write(1, "executing program\n", 18executing program
) = 18
[pid   293] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   293] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   293] mount("./file0", "./file0", "incremental-fs", MS_RDONLY, NULL) = 0
[pid   293] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   293] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(13)                   = -1 EBADF (Bad file descriptor)
[   21.524450][   T28] audit: type=1400 audit(1755210061.824:67): avc:  denied  { mount } for  pid=292 comm="syz-executor341" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   21.526923][  T292] request_module fs-gadgetfs succeeded, but still no fs?
[   21.547635][   T28] audit: type=1400 audit(1755210061.824:68): avc:  denied  { mounton } for  pid=292 comm="syz-executor341" path="/root/syzkaller.AYNIvn/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
[   21.564983][  T293] incfs: ino conflict with backing FS 9
[pid   293] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   293] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   293] exit_group(0)               = ?
[pid   293] +++ exited with 0 +++
[pid   292] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[pid   292] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   292] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   292] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   292] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   292] getdents64(3, 0x5555818e86f0 /* 6 entries */, 32768) = 176
[pid   292] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   292] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   292] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   292] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   292] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   292] getdents64(4, 0x5555818f0730 /* 2 entries */, 32768) = 48
[pid   292] getdents64(4, 0x5555818f0730 /* 0 entries */, 32768) = 0
[pid   292] close(4)                    = 0
[pid   292] rmdir("./0/.incomplete")    = 0
[pid   292] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   292] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   292] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   292] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   292] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   292] getdents64(4, 0x5555818f0730 /* 2 entries */, 32768) = 48
[pid   292] getdents64(4, 0x5555818f0730 /* 0 entries */, 32768) = 0
[pid   292] close(4)                    = 0
[pid   292] rmdir("./0/.index")         = 0
[   21.579298][   T28] audit: type=1400 audit(1755210061.824:69): avc:  denied  { mount } for  pid=292 comm="syz-executor341" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   21.579324][   T28] audit: type=1400 audit(1755210061.824:70): avc:  denied  { mounton } for  pid=292 comm="syz-executor341" path="/root/syzkaller.AYNIvn/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
[   21.633632][   T28] audit: type=1400 audit(1755210061.824:71): avc:  denied  { mounton } for  pid=292 comm="syz-executor341" path="/root/syzkaller.AYNIvn/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14237 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   21.633722][  T292] ------------[ cut here ]------------
[   21.661226][   T28] audit: type=1400 audit(1755210061.824:72): avc:  denied  { unmount } for  pid=292 comm="syz-executor341" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   21.666695][  T292] WARNING: CPU: 0 PID: 292 at fs/inode.c:332 drop_nlink+0xc5/0x110
[   21.686329][   T28] audit: type=1400 audit(1755210061.844:73): avc:  denied  { mounton } for  pid=292 comm="syz-executor341" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   21.694202][  T292] Modules linked in:
[   21.720998][  T292] CPU: 0 PID: 292 Comm: syz-executor341 Not tainted 6.1.145-syzkaller-00004-g82186ba31010 #0
[   21.731147][  T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   21.741198][  T292] RIP: 0010:drop_nlink+0xc5/0x110
[   21.746276][  T292] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 03 ea f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 fb 83 ac ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   21.765903][  T292] RSP: 0018:ffffc90000e07b38 EFLAGS: 00010293
[   21.771950][  T292] RAX: ffffffff81c38015 RBX: ffff888123971368 RCX: ffff88810dab1440
[   21.780028][  T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   21.788041][  T292] RBP: ffffc90000e07b60 R08: 0000000000000004 R09: 0000000000000003
[   21.796034][  T292] R10: fffff520001c0f58 R11: 1ffff920001c0f58 R12: dffffc0000000000
[   21.804013][  T292] R13: 1ffff1102472e276 R14: ffff8881239713b0 R15: 0000000000000000
[   21.811960][  T292] FS:  00005555818e7380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   21.820883][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.827465][  T292] CR2: 00005555818f8738 CR3: 000000010696d000 CR4: 00000000003506b0
[   21.835435][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.843407][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.851353][  T292] Call Trace:
[   21.854708][  T292]  <TASK>
[   21.857636][  T292]  shmem_rmdir+0x5b/0x90
[   21.862040][  T292]  vfs_rmdir+0x393/0x500
[   21.866276][  T292]  incfs_kill_sb+0x105/0x220
[   21.870862][  T292]  deactivate_locked_super+0xb5/0x120
[   21.876405][  T292]  deactivate_super+0xaf/0xe0
[   21.881075][  T292]  cleanup_mnt+0x45f/0x4e0
[   21.885617][  T292]  ? umount_tree+0xe10/0xe10
[   21.890208][  T292]  __cleanup_mnt+0x19/0x20
[   21.894628][  T292]  task_work_run+0x1db/0x240
[   21.899230][  T292]  ? __cfi_task_work_run+0x10/0x10
[   21.904350][  T292]  ? path_umount+0x351/0xf50
[   21.908925][  T292]  ? __kasan_slab_free+0x11/0x20
[   21.913955][  T292]  ptrace_notify+0x221/0x250
[   21.918535][  T292]  ? __cfi_path_umount+0x10/0x10
[   21.923471][  T292]  ? __cfi_ptrace_notify+0x10/0x10
[   21.928575][  T292]  ? user_path_at_empty+0x161/0x1c0
[   21.934033][  T292]  ? __x64_sys_umount+0x125/0x160
[   21.939048][  T292]  ? __cfi___x64_sys_umount+0x10/0x10
[   21.944420][  T292]  ? fpregs_restore_userregs+0x128/0x260
[   21.950079][  T292]  syscall_exit_work+0x84/0x140
[   21.954942][  T292]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   21.961092][  T292]  syscall_exit_to_user_mode+0xd/0x30
[   21.966463][  T292]  do_syscall_64+0x58/0xa0
[   21.970880][  T292]  ? clear_bhb_loop+0x30/0x80
[   21.975551][  T292]  ? clear_bhb_loop+0x30/0x80
[   21.980232][  T292]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   21.986118][  T292] RIP: 0033:0x7f5128cb5ac7
[   21.990528][  T292] 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
[   22.010137][  T292] RSP: 002b:00007ffe56594a38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.018570][  T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5128cb5ac7
[   22.026560][  T292] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe56594af0
[   22.034532][  T292] RBP: 00007ffe56594af0 R08: 0000000000000000 R09: 0000000000000000
[   22.042655][  T292] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe56595b60
[   22.050625][  T292] R13: 00005555818e86c0 R14: 00007ffe56595b60 R15: 0000000000000001
[   22.058610][  T292]  </TASK>
[   22.061617][  T292] ---[ end trace 0000000000000000 ]---
[   22.067188][  T292] ==================================================================
[   22.075244][  T292] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   22.081463][  T292] Write of size 4 at addr 0000000000000170 by task syz-executor341/292
[   22.089676][  T292] 
[   22.091988][  T292] CPU: 0 PID: 292 Comm: syz-executor341 Tainted: G        W          6.1.145-syzkaller-00004-g82186ba31010 #0
[   22.103791][  T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   22.113842][  T292] Call Trace:
[   22.117106][  T292]  <TASK>
[   22.120011][  T292]  __dump_stack+0x21/0x24
[   22.124329][  T292]  dump_stack_lvl+0xee/0x150
[   22.128980][  T292]  ? __cfi_dump_stack_lvl+0x8/0x8
[   22.133981][  T292]  ? ihold+0x20/0x60
[   22.137935][  T292]  ? ihold+0x20/0x60
[   22.141824][  T292]  print_report+0x3d/0x60
[   22.146143][  T292]  kasan_report+0x122/0x150
[   22.150620][  T292]  ? ihold+0x20/0x60
[   22.154486][  T292]  kasan_check_range+0x280/0x290
[   22.159406][  T292]  __kasan_check_write+0x14/0x20
[   22.164317][  T292]  ihold+0x20/0x60
[   22.168009][  T292]  vfs_rmdir+0x25f/0x500
[   22.172370][  T292]  incfs_kill_sb+0x105/0x220
[   22.176962][  T292]  deactivate_locked_super+0xb5/0x120
[   22.182334][  T292]  deactivate_super+0xaf/0xe0
[   22.186995][  T292]  cleanup_mnt+0x45f/0x4e0
[   22.191396][  T292]  ? umount_tree+0xe10/0xe10
[   22.195957][  T292]  __cleanup_mnt+0x19/0x20
[   22.200412][  T292]  task_work_run+0x1db/0x240
[   22.204999][  T292]  ? __cfi_task_work_run+0x10/0x10
[   22.210096][  T292]  ? path_umount+0x351/0xf50
[   22.214670][  T292]  ? __kasan_slab_free+0x11/0x20
[   22.219599][  T292]  ptrace_notify+0x221/0x250
[   22.224172][  T292]  ? __cfi_path_umount+0x10/0x10
[   22.229137][  T292]  ? __cfi_ptrace_notify+0x10/0x10
[   22.234225][  T292]  ? user_path_at_empty+0x161/0x1c0
[   22.239396][  T292]  ? __x64_sys_umount+0x125/0x160
[   22.244406][  T292]  ? __cfi___x64_sys_umount+0x10/0x10
[   22.249776][  T292]  ? fpregs_restore_userregs+0x128/0x260
[   22.255391][  T292]  syscall_exit_work+0x84/0x140
[   22.260292][  T292]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   22.266417][  T292]  syscall_exit_to_user_mode+0xd/0x30
[   22.271764][  T292]  do_syscall_64+0x58/0xa0
[   22.276156][  T292]  ? clear_bhb_loop+0x30/0x80
[   22.280805][  T292]  ? clear_bhb_loop+0x30/0x80
[   22.285457][  T292]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   22.291320][  T292] RIP: 0033:0x7f5128cb5ac7
[   22.295805][  T292] 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
[   22.315505][  T292] RSP: 002b:00007ffe56594a38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.323936][  T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5128cb5ac7
[   22.331989][  T292] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe56594af0
[   22.339950][  T292] RBP: 00007ffe56594af0 R08: 0000000000000000 R09: 0000000000000000
[   22.347922][  T292] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe56595b60
[   22.355891][  T292] R13: 00005555818e86c0 R14: 00007ffe56595b60 R15: 0000000000000001
[   22.363856][  T292]  </TASK>
[   22.366868][  T292] ==================================================================
[   22.375206][  T292] Disabling lock debugging due to kernel taint
[   22.381363][  T292] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   22.389160][  T292] #PF: supervisor write access in kernel mode
[   22.395214][  T292] #PF: error_code(0x0002) - not-present page
[   22.401181][  T292] PGD 0 P4D 0 
[   22.404553][  T292] Oops: 0002 [#1] PREEMPT SMP KASAN
[   22.409750][  T292] CPU: 0 PID: 292 Comm: syz-executor341 Tainted: G    B   W          6.1.145-syzkaller-00004-g82186ba31010 #0
[   22.421502][  T292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   22.431550][  T292] RIP: 0010:ihold+0x26/0x60
[   22.436052][  T292] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 61 7b ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 e1 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 51
[   22.455911][  T292] RSP: 0018:ffffc90000e07b78 EFLAGS: 00010246
[   22.461973][  T292] RAX: ffff88810dab1400 RBX: 0000000000000000 RCX: ffff88810dab1440
[   22.469944][  T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.477907][  T292] RBP: ffffc90000e07b88 R08: dffffc0000000000 R09: fffffbfff0f2d4fd
[   22.485957][  T292] R10: fffffbfff0f2d4fd R11: 1ffffffff0f2d4fc R12: ffff888123971374
[   22.493931][  T292] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   22.501895][  T292] FS:  00005555818e7380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.510817][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.517407][  T292] CR2: 0000000000000170 CR3: 000000010696d000 CR4: 00000000003506b0
[   22.525462][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.533450][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.541429][  T292] Call Trace:
[   22.544697][  T292]  <TASK>
[   22.547623][  T292]  vfs_rmdir+0x25f/0x500
[   22.551863][  T292]  incfs_kill_sb+0x105/0x220
[   22.556449][  T292]  deactivate_locked_super+0xb5/0x120
[   22.561821][  T292]  deactivate_super+0xaf/0xe0
[   22.566501][  T292]  cleanup_mnt+0x45f/0x4e0
[   22.570944][  T292]  ? umount_tree+0xe10/0xe10
[   22.575529][  T292]  __cleanup_mnt+0x19/0x20
[   22.579946][  T292]  task_work_run+0x1db/0x240
[   22.584534][  T292]  ? __cfi_task_work_run+0x10/0x10
[   22.589654][  T292]  ? path_umount+0x351/0xf50
[   22.594390][  T292]  ? __kasan_slab_free+0x11/0x20
[   22.599322][  T292]  ptrace_notify+0x221/0x250
[   22.603915][  T292]  ? __cfi_path_umount+0x10/0x10
[   22.608850][  T292]  ? __cfi_ptrace_notify+0x10/0x10
[   22.613957][  T292]  ? user_path_at_empty+0x161/0x1c0
[   22.619150][  T292]  ? __x64_sys_umount+0x125/0x160
[   22.624169][  T292]  ? __cfi___x64_sys_umount+0x10/0x10
[   22.629542][  T292]  ? fpregs_restore_userregs+0x128/0x260
[   22.635175][  T292]  syscall_exit_work+0x84/0x140
[   22.640021][  T292]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   22.646168][  T292]  syscall_exit_to_user_mode+0xd/0x30
[   22.651537][  T292]  do_syscall_64+0x58/0xa0
[   22.655969][  T292]  ? clear_bhb_loop+0x30/0x80
[   22.660687][  T292]  ? clear_bhb_loop+0x30/0x80
[   22.665410][  T292]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   22.671316][  T292] RIP: 0033:0x7f5128cb5ac7
[   22.675741][  T292] 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
[   22.695519][  T292] RSP: 002b:00007ffe56594a38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.703948][  T292] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5128cb5ac7
[   22.712003][  T292] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe56594af0
[   22.719973][  T292] RBP: 00007ffe56594af0 R08: 0000000000000000 R09: 0000000000000000
[   22.728397][  T292] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe56595b60
[   22.736636][  T292] R13: 00005555818e86c0 R14: 00007ffe56595b60 R15: 0000000000000001
[   22.744610][  T292]  </TASK>
[   22.747709][  T292] Modules linked in:
[   22.751597][  T292] CR2: 0000000000000170
[   22.755742][  T292] ---[ end trace 0000000000000000 ]---
[   22.761184][  T292] RIP: 0010:ihold+0x26/0x60
[   22.765687][  T292] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 61 7b ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 e1 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 51
[   22.785284][  T292] RSP: 0018:ffffc90000e07b78 EFLAGS: 00010246
[   22.791343][  T292] RAX: ffff88810dab1400 RBX: 0000000000000000 RCX: ffff88810dab1440
[   22.799313][  T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.807274][  T292] RBP: ffffc90000e07b88 R08: dffffc0000000000 R09: fffffbfff0f2d4fd
[   22.815330][  T292] R10: fffffbfff0f2d4fd R11: 1ffffffff0f2d4fc R12: ffff888123971374
[   22.823302][  T292] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   22.831299][  T292] FS:  00005555818e7380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.840306][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.846882][  T292] CR2: 0000000000000170 CR3: 000000010696d000 CR4: 00000000003506b0
[   22.854850][  T292] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.862812][  T292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.870776][  T292] Kernel panic - not syncing: Fatal exception
[   22.877085][  T292] Kernel Offset: disabled
[   22.881392][  T292] Rebooting in 86400 seconds..