./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor310438800

<...>
Warning: Permanently added '10.128.1.98' (ED25519) to the list of known hosts.
execve("./syz-executor310438800", ["./syz-executor310438800"], 0x7fff2cd9fe80 /* 10 vars */) = 0
brk(NULL)                               = 0x555582878000
brk(0x555582878d00)                     = 0x555582878d00
arch_prctl(ARCH_SET_FS, 0x555582878380) = 0
set_tid_address(0x555582878650)         = 288
set_robust_list(0x555582878660, 24)     = 0
rseq(0x555582878ca0, 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-executor310438800", 4096) = 27
getrandom("\x1e\x4f\x4b\xb0\x75\x5e\xb9\xa9", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555582878d00
brk(0x555582899d00)                     = 0x555582899d00
brk(0x55558289a000)                     = 0x55558289a000
mprotect(0x7f9c25ed7000, 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.yQIO64", 0700)       = 0
chmod("./syzkaller.yQIO64", 0777)       = 0
chdir("./syzkaller.yQIO64")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555582878650) = 289
./strace-static-x86_64: Process 289 attached
[pid   289] set_robust_list(0x555582878660, 24) = 0
[pid   289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   289] getppid()                   = 0
[pid   289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   289] unshare(CLONE_NEWNS)        = 0
[pid   289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   289] unshare(CLONE_NEWCGROUP)    = 0
[pid   289] unshare(CLONE_NEWUTS)       = 0
[pid   289] unshare(CLONE_SYSVSEM)      = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] getpid()                    = 1
[pid   289] 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   289] 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   289] unshare(CLONE_NEWNET)       = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "0 65535", 7)      = 7
[pid   289] close(3)                    = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "100000", 6)       = 6
[pid   289] close(3)                    = 0
[pid   289] mkdir("./syz-tmp", 0777)    = 0
[   23.839556][   T30] audit: type=1400 audit(1756536588.445:64): avc:  denied  { execmem } for  pid=288 comm="syz-executor310" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   23.864679][   T30] audit: type=1400 audit(1756536588.475:65): avc:  denied  { mounton } for  pid=289 comm="syz-executor310" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   289] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   289] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   289] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   289] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   289] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   289] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   289] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] 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   289] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   289] 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   289] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   289] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   289] chdir("/")                  = 0
[pid   289] umount2("./pivot", MNT_DETACH) = 0
[pid   289] chroot("./newroot")         = 0
[pid   289] chdir("/")                  = 0
[pid   289] mkdir("/dev/gadgetfs", 0777) = 0
[   23.903297][   T30] audit: type=1400 audit(1756536588.505:66): avc:  denied  { mounton } for  pid=289 comm="syz-executor310" path="/root/syzkaller.yQIO64/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   23.927691][   T30] audit: type=1400 audit(1756536588.505:67): avc:  denied  { mount } for  pid=289 comm="syz-executor310" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   289] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   289] mkdir("/dev/binderfs", 0777) = 0
[pid   289] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   289] mkdir("./0", 0777)          = 0
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555582878650) = 2
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x555582878660, 24) = 0
[pid   290] chdir("./0")                = 0
[pid   290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   290] setpgid(0, 0)               = 0
[pid   290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "1000", 4)         = 4
[pid   290] close(3)                    = 0
[pid   290] symlink("/dev/binderfs", "./binderfs") = 0
[pid   290] write(1, "executing program\n", 18executing program
) = 18
[pid   290] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   290] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   290] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   290] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   290] exit_group(0)               = ?
[pid   290] +++ exited with 0 +++
[pid   289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} ---
[   23.930794][  T289] request_module fs-gadgetfs succeeded, but still no fs?
[   23.950207][   T30] audit: type=1400 audit(1756536588.525:68): avc:  denied  { mounton } for  pid=289 comm="syz-executor310" path="/root/syzkaller.yQIO64/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
[   23.969606][  T290] incfs: ino conflict with backing FS 9
[pid   289] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   289] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   289] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(3, 0x5555828796f0 /* 6 entries */, 32768) = 176
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x555582881730 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x555582881730 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.incomplete")    = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x555582881730 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x555582881730 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.index")         = 0
[   23.982435][   T30] audit: type=1400 audit(1756536588.525:69): avc:  denied  { mount } for  pid=289 comm="syz-executor310" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   24.009830][   T30] audit: type=1400 audit(1756536588.525:70): avc:  denied  { mounton } for  pid=289 comm="syz-executor310" path="/root/syzkaller.yQIO64/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
[   24.036691][   T30] audit: type=1400 audit(1756536588.525:71): avc:  denied  { mounton } for  pid=289 comm="syz-executor310" path="/root/syzkaller.yQIO64/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14673 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   24.036867][  T289] ------------[ cut here ]------------
[   24.064274][   T30] audit: type=1400 audit(1756536588.535:72): avc:  denied  { unmount } for  pid=289 comm="syz-executor310" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   24.064307][   T30] audit: type=1400 audit(1756536588.535:73): avc:  denied  { mounton } for  pid=289 comm="syz-executor310" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   24.113156][  T289] WARNING: CPU: 0 PID: 289 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   24.121282][  T289] Modules linked in:
[   24.125288][  T289] CPU: 0 PID: 289 Comm: syz-executor310 Not tainted 5.15.189-syzkaller-android13-5.15.189_r00 #0
[   24.136018][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.146225][  T289] RIP: 0010:drop_nlink+0xc5/0x110
[   24.151269][  T289] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 43 3b f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4b be b3 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   24.170911][  T289] RSP: 0018:ffffc90000967ba8 EFLAGS: 00010293
[   24.177117][  T289] RAX: ffffffff81b4f185 RBX: ffff8881232bae88 RCX: ffff888104dd4f00
[   24.185118][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   24.193195][  T289] RBP: ffffc90000967bd0 R08: 0000000000000004 R09: 0000000000000003
[   24.201204][  T289] R10: fffff5200012cf64 R11: 1ffff9200012cf64 R12: dffffc0000000000
[   24.209208][  T289] R13: 1ffff110246575da R14: ffff8881232baed0 R15: 0000000000000000
[   24.217211][  T289] FS:  0000555582878380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.226178][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.232762][  T289] CR2: 000055ecccb07748 CR3: 0000000121911000 CR4: 00000000003506b0
[   24.240771][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.248778][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.256779][  T289] Call Trace:
[   24.260061][  T289]  <TASK>
[   24.263000][  T289]  shmem_rmdir+0x5b/0x90
[   24.267493][  T289]  vfs_rmdir+0x313/0x460
[   24.271778][  T289]  incfs_kill_sb+0x105/0x220
[   24.276416][  T289]  deactivate_locked_super+0xa0/0x100
[   24.281835][  T289]  deactivate_super+0xaf/0xe0
[   24.286587][  T289]  cleanup_mnt+0x446/0x500
[   24.291015][  T289]  __cleanup_mnt+0x19/0x20
[   24.295463][  T289]  task_work_run+0x127/0x190
[   24.300066][  T289]  ptrace_notify+0x212/0x250
[   24.304724][  T289]  ? do_notify_parent+0x800/0x800
[   24.309759][  T289]  ? user_path_at_empty+0x161/0x1c0
[   24.314987][  T289]  ? __x64_sys_umount+0x125/0x160
[   24.320059][  T289]  ? path_umount+0xf90/0xf90
[   24.324695][  T289]  syscall_exit_work+0x87/0x160
[   24.329587][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.335793][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   24.341215][  T289]  do_syscall_64+0x58/0xa0
[   24.345733][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.350427][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.355134][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.361050][  T289] RIP: 0033:0x7f9c25e64a87
[   24.365651][  T289] 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
[   24.385599][  T289] RSP: 002b:00007ffecd30e6a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   24.394044][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9c25e64a87
[   24.402058][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecd30e760
[   24.410065][  T289] RBP: 00007ffecd30e760 R08: 0000000000000000 R09: 0000000000000000
[   24.418082][  T289] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffecd30f7d0
[   24.426111][  T289] R13: 00005555828796c0 R14: 00007ffecd30f7d0 R15: 0000000000000001
[   24.434085][  T289]  </TASK>
[   24.437133][  T289] ---[ end trace 111827ad59b4c05b ]---
[   24.442787][  T289] ==================================================================
[   24.450851][  T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   24.457092][  T289] Write of size 4 at addr 0000000000000170 by task syz-executor310/289
[   24.465318][  T289] 
[   24.467641][  T289] CPU: 0 PID: 289 Comm: syz-executor310 Tainted: G        W         5.15.189-syzkaller-android13-5.15.189_r00 #0
[   24.479521][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.489568][  T289] Call Trace:
[   24.492839][  T289]  <TASK>
[   24.495786][  T289]  __dump_stack+0x21/0x30
[   24.500112][  T289]  dump_stack_lvl+0xee/0x150
[   24.504694][  T289]  ? show_regs_print_info+0x20/0x20
[   24.509885][  T289]  ? _raw_spin_lock+0x8e/0xe0
[   24.514552][  T289]  ? _raw_spin_trylock_bh+0x130/0x130
[   24.519916][  T289]  ? ihold+0x20/0x60
[   24.523804][  T289]  kasan_report+0xe7/0x140
[   24.528229][  T289]  ? ihold+0x20/0x60
[   24.532116][  T289]  kasan_check_range+0x280/0x290
[   24.537046][  T289]  __kasan_check_write+0x14/0x20
[   24.541975][  T289]  ihold+0x20/0x60
[   24.545693][  T289]  vfs_rmdir+0x1f0/0x460
[   24.549934][  T289]  incfs_kill_sb+0x105/0x220
[   24.554516][  T289]  deactivate_locked_super+0xa0/0x100
[   24.559894][  T289]  deactivate_super+0xaf/0xe0
[   24.564583][  T289]  cleanup_mnt+0x446/0x500
[   24.569006][  T289]  __cleanup_mnt+0x19/0x20
[   24.573439][  T289]  task_work_run+0x127/0x190
[   24.578041][  T289]  ptrace_notify+0x212/0x250
[   24.582632][  T289]  ? do_notify_parent+0x800/0x800
[   24.587660][  T289]  ? user_path_at_empty+0x161/0x1c0
[   24.592857][  T289]  ? __x64_sys_umount+0x125/0x160
[   24.597883][  T289]  ? path_umount+0xf90/0xf90
[   24.602467][  T289]  syscall_exit_work+0x87/0x160
[   24.607344][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.613492][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   24.618875][  T289]  do_syscall_64+0x58/0xa0
[   24.623304][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.627987][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.632668][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.638564][  T289] RIP: 0033:0x7f9c25e64a87
[   24.642983][  T289] 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
[   24.662597][  T289] RSP: 002b:00007ffecd30e6a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   24.671023][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9c25e64a87
[   24.679000][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecd30e760
[   24.686976][  T289] RBP: 00007ffecd30e760 R08: 0000000000000000 R09: 0000000000000000
[   24.694948][  T289] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffecd30f7d0
[   24.703036][  T289] R13: 00005555828796c0 R14: 00007ffecd30f7d0 R15: 0000000000000001
[   24.711015][  T289]  </TASK>
[   24.714040][  T289] ==================================================================
[   24.722093][  T289] Disabling lock debugging due to kernel taint
[   24.728392][  T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   24.736205][  T289] #PF: supervisor write access in kernel mode
[   24.742291][  T289] #PF: error_code(0x0002) - not-present page
[   24.748270][  T289] PGD 0 P4D 0 
[   24.751654][  T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[   24.756852][  T289] CPU: 0 PID: 289 Comm: syz-executor310 Tainted: G    B   W         5.15.189-syzkaller-android13-5.15.189_r00 #0
[   24.768751][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   24.778826][  T289] RIP: 0010:ihold+0x26/0x60
[   24.783338][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 61 b6 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 30 33 f2 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 e1
[   24.802946][  T289] RSP: 0018:ffffc90000967be8 EFLAGS: 00010246
[   24.809015][  T289] RAX: ffff888104dd4f00 RBX: 0000000000000000 RCX: ffff888104dd4f00
[   24.817083][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   24.825054][  T289] RBP: ffffc90000967bf8 R08: 0000000000000004 R09: 0000000000000003
[   24.833022][  T289] R10: fffffbfff0e1804c R11: 1ffffffff0e1804c R12: 1ffff110240c8be2
[   24.840993][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   24.848962][  T289] FS:  0000555582878380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   24.857894][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.864481][  T289] CR2: 0000000000000170 CR3: 0000000121911000 CR4: 00000000003506b0
[   24.872457][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   24.880428][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   24.888401][  T289] Call Trace:
[   24.891677][  T289]  <TASK>
[   24.894608][  T289]  vfs_rmdir+0x1f0/0x460
[   24.898857][  T289]  incfs_kill_sb+0x105/0x220
[   24.903471][  T289]  deactivate_locked_super+0xa0/0x100
[   24.908865][  T289]  deactivate_super+0xaf/0xe0
[   24.913546][  T289]  cleanup_mnt+0x446/0x500
[   24.917970][  T289]  __cleanup_mnt+0x19/0x20
[   24.922384][  T289]  task_work_run+0x127/0x190
[   24.926972][  T289]  ptrace_notify+0x212/0x250
[   24.931563][  T289]  ? do_notify_parent+0x800/0x800
[   24.936590][  T289]  ? user_path_at_empty+0x161/0x1c0
[   24.941815][  T289]  ? __x64_sys_umount+0x125/0x160
[   24.946839][  T289]  ? path_umount+0xf90/0xf90
[   24.951436][  T289]  syscall_exit_work+0x87/0x160
[   24.956290][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   24.962479][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   24.967939][  T289]  do_syscall_64+0x58/0xa0
[   24.972362][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.977043][  T289]  ? clear_bhb_loop+0x50/0xa0
[   24.981731][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   24.987634][  T289] RIP: 0033:0x7f9c25e64a87
[   24.992052][  T289] 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
[   25.011669][  T289] RSP: 002b:00007ffecd30e6a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.020080][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9c25e64a87
[   25.028055][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffecd30e760
[   25.036040][  T289] RBP: 00007ffecd30e760 R08: 0000000000000000 R09: 0000000000000000
[   25.044020][  T289] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffecd30f7d0
[   25.052006][  T289] R13: 00005555828796c0 R14: 00007ffecd30f7d0 R15: 0000000000000001
[   25.060031][  T289]  </TASK>
[   25.063046][  T289] Modules linked in:
[   25.066951][  T289] CR2: 0000000000000170
[   25.071111][  T289] ---[ end trace 111827ad59b4c05c ]---
[   25.076564][  T289] RIP: 0010:ihold+0x26/0x60
[   25.081073][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 61 b6 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 30 33 f2 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 e1
[   25.100702][  T289] RSP: 0018:ffffc90000967be8 EFLAGS: 00010246
[   25.106770][  T289] RAX: ffff888104dd4f00 RBX: 0000000000000000 RCX: ffff888104dd4f00
[   25.114766][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   25.122734][  T289] RBP: ffffc90000967bf8 R08: 0000000000000004 R09: 0000000000000003
[   25.130703][  T289] R10: fffffbfff0e1804c R11: 1ffffffff0e1804c R12: 1ffff110240c8be2
[   25.138680][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   25.146651][  T289] FS:  0000555582878380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.155586][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.162169][  T289] CR2: 0000000000000170 CR3: 0000000121911000 CR4: 00000000003506b0
[   25.170144][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.178113][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.186083][  T289] Kernel panic - not syncing: Fatal exception
[   25.192547][  T289] Kernel Offset: disabled
[   25.196880][  T289] Rebooting in 86400 seconds..