./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2950060252

<...>
Warning: Permanently added '10.128.1.191' (ED25519) to the list of known hosts.
execve("./syz-executor2950060252", ["./syz-executor2950060252"], 0x7fff6dc7c4d0 /* 10 vars */) = 0
brk(NULL)                               = 0x55556503c000
brk(0x55556503cd00)                     = 0x55556503cd00
arch_prctl(ARCH_SET_FS, 0x55556503c380) = 0
set_tid_address(0x55556503c650)         = 290
set_robust_list(0x55556503c660, 24)     = 0
rseq(0x55556503cca0, 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-executor2950060252", 4096) = 28
getrandom("\xc9\xb6\xeb\xba\xa4\xca\x28\x93", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556503cd00
brk(0x55556505dd00)                     = 0x55556505dd00
brk(0x55556505e000)                     = 0x55556505e000
mprotect(0x7f87dcaf1000, 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.RHz8M1", 0700)       = 0
chmod("./syzkaller.RHz8M1", 0777)       = 0
chdir("./syzkaller.RHz8M1")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556503c650) = 291
./strace-static-x86_64: Process 291 attached
[pid   291] set_robust_list(0x55556503c660, 24) = 0
[pid   291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   291] getppid()                   = 0
[pid   291] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   291] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   291] unshare(CLONE_NEWNS)        = 0
[pid   291] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   291] unshare(CLONE_NEWCGROUP)    = 0
[pid   291] unshare(CLONE_NEWUTS)       = 0
[pid   291] unshare(CLONE_SYSVSEM)      = 0
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   291] getpid()                    = 1
[pid   291] 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   291] 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   291] unshare(CLONE_NEWNET)       = 0
[pid   291] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   291] write(3, "0 65535", 7)      = 7
[pid   291] close(3)                    = 0
[pid   291] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   291] write(3, "100000", 6)       = 6
[pid   291] close(3)                    = 0
[pid   291] mkdir("./syz-tmp", 0777)    = 0
[pid   291] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   291] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   291] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   291] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   291] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   291] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   291] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] 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   291] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   291] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   291] 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   291] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   291] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[   20.991851][   T28] audit: type=1400 audit(1754836426.172:64): avc:  denied  { execmem } for  pid=290 comm="syz-executor295" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   21.013986][   T28] audit: type=1400 audit(1754836426.192:65): avc:  denied  { mounton } for  pid=291 comm="syz-executor295" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   291] chdir("/")                  = 0
[pid   291] umount2("./pivot", MNT_DETACH) = 0
[pid   291] chroot("./newroot")         = 0
[pid   291] chdir("/")                  = 0
[pid   291] mkdir("/dev/gadgetfs", 0777) = 0
[pid   291] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   291] mkdir("/dev/binderfs", 0777) = 0
[   21.036307][   T28] audit: type=1400 audit(1754836426.192:66): avc:  denied  { mounton } for  pid=291 comm="syz-executor295" path="/root/syzkaller.RHz8M1/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   21.061027][   T28] audit: type=1400 audit(1754836426.222:67): avc:  denied  { mount } for  pid=291 comm="syz-executor295" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   21.062667][  T291] request_module fs-gadgetfs succeeded, but still no fs?
[pid   291] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   291] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   291] mkdir("./0", 0777)          = 0
[pid   291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556503c650) = 2
./strace-static-x86_64: Process 292 attached
[pid   292] set_robust_list(0x55556503c660, 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", 4executing program
)         = 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   291] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   291] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   291] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   291] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(3, 0x55556503d6f0 /* 6 entries */, 32768) = 176
[pid   291] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   291] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   291] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(4, 0x555565045730 /* 2 entries */, 32768) = 48
[pid   291] getdents64(4, 0x555565045730 /* 0 entries */, 32768) = 0
[pid   291] close(4)                    = 0
[pid   291] rmdir("./0/.incomplete")    = 0
[pid   291] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   291] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   291] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   291] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   291] getdents64(4, 0x555565045730 /* 2 entries */, 32768) = 48
[pid   291] getdents64(4, 0x555565045730 /* 0 entries */, 32768) = 0
[pid   291] close(4)                    = 0
[pid   291] rmdir("./0/.index")         = 0
[   21.084386][   T28] audit: type=1400 audit(1754836426.222:68): avc:  denied  { mounton } for  pid=291 comm="syz-executor295" path="/root/syzkaller.RHz8M1/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
[   21.099218][  T292] incfs: ino conflict with backing FS 9
[   21.117931][   T28] audit: type=1400 audit(1754836426.222:69): avc:  denied  { mount } for  pid=291 comm="syz-executor295" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   21.145336][   T28] audit: type=1400 audit(1754836426.222:70): avc:  denied  { mounton } for  pid=291 comm="syz-executor295" path="/root/syzkaller.RHz8M1/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
[   21.145893][  T291] ------------[ cut here ]------------
[   21.173105][   T28] audit: type=1400 audit(1754836426.222:71): avc:  denied  { mounton } for  pid=291 comm="syz-executor295" path="/root/syzkaller.RHz8M1/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14591 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   21.178579][  T291] WARNING: CPU: 1 PID: 291 at fs/inode.c:332 drop_nlink+0xc5/0x110
[   21.206814][   T28] audit: type=1400 audit(1754836426.222:72): avc:  denied  { unmount } for  pid=291 comm="syz-executor295" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   21.214735][  T291] Modules linked in:
[   21.235346][   T28] audit: type=1400 audit(1754836426.252:73): avc:  denied  { mounton } for  pid=291 comm="syz-executor295" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   21.239259][  T291] CPU: 1 PID: 291 Comm: syz-executor295 Not tainted 6.1.145-syzkaller-00002-gc750dc582629 #0
[   21.274055][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   21.284724][  T291] RIP: 0010:drop_nlink+0xc5/0x110
[   21.289924][  T291] 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
[   21.310624][  T291] RSP: 0018:ffffc90000e97b38 EFLAGS: 00010293
[   21.316887][  T291] RAX: ffffffff81c37e85 RBX: ffff888121440bd8 RCX: ffff88810b451440
[   21.324937][  T291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   21.333301][  T291] RBP: ffffc90000e97b60 R08: 0000000000000004 R09: 0000000000000003
[   21.341677][  T291] R10: fffff520001d2f58 R11: 1ffff920001d2f58 R12: dffffc0000000000
[   21.350034][  T291] R13: 1ffff11024288184 R14: ffff888121440c20 R15: 0000000000000000
[   21.358213][  T291] FS:  000055556503c380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   21.367264][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.373927][  T291] CR2: 00007f87dcac7380 CR3: 000000010d126000 CR4: 00000000003506a0
[   21.382093][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.390338][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.398452][  T291] Call Trace:
[   21.401750][  T291]  <TASK>
[   21.404667][  T291]  shmem_rmdir+0x5b/0x90
[   21.409363][  T291]  vfs_rmdir+0x393/0x500
[   21.413640][  T291]  incfs_kill_sb+0x105/0x220
[   21.418620][  T291]  deactivate_locked_super+0xb5/0x120
[   21.424103][  T291]  deactivate_super+0xaf/0xe0
[   21.428809][  T291]  cleanup_mnt+0x45f/0x4e0
[   21.433310][  T291]  ? umount_tree+0xe10/0xe10
[   21.438102][  T291]  __cleanup_mnt+0x19/0x20
[   21.442710][  T291]  task_work_run+0x1db/0x240
[   21.447471][  T291]  ? __cfi_task_work_run+0x10/0x10
[   21.452856][  T291]  ? path_umount+0x351/0xf50
[   21.457529][  T291]  ? __kasan_slab_free+0x11/0x20
[   21.462650][  T291]  ptrace_notify+0x221/0x250
[   21.467358][  T291]  ? __cfi_path_umount+0x10/0x10
[   21.472381][  T291]  ? __cfi_ptrace_notify+0x10/0x10
[   21.477692][  T291]  ? user_path_at_empty+0x161/0x1c0
[   21.482924][  T291]  ? __x64_sys_umount+0x125/0x160
[   21.487974][  T291]  ? __cfi___x64_sys_umount+0x10/0x10
[   21.493340][  T291]  ? fpregs_restore_userregs+0x128/0x260
[   21.499075][  T291]  syscall_exit_work+0x84/0x140
[   21.504013][  T291]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   21.510615][  T291]  syscall_exit_to_user_mode+0xd/0x30
[   21.516083][  T291]  do_syscall_64+0x58/0xa0
[   21.520743][  T291]  ? clear_bhb_loop+0x30/0x80
[   21.525542][  T291]  ? clear_bhb_loop+0x30/0x80
[   21.530225][  T291]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   21.536224][  T291] RIP: 0033:0x7f87dca7eac7
[   21.540895][  T291] 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
[   21.560717][  T291] RSP: 002b:00007fffb94f2138 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   21.569143][  T291] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87dca7eac7
[   21.577289][  T291] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb94f21f0
[   21.585700][  T291] RBP: 00007fffb94f21f0 R08: 0000000000000000 R09: 0000000000000000
[   21.593758][  T291] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffb94f3260
[   21.602006][  T291] R13: 000055556503d6c0 R14: 00007fffb94f3260 R15: 0000000000000001
[   21.610071][  T291]  </TASK>
[   21.613067][  T291] ---[ end trace 0000000000000000 ]---
[   21.618751][  T291] ==================================================================
[   21.627154][  T291] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   21.633478][  T291] Write of size 4 at addr 0000000000000170 by task syz-executor295/291
[   21.641783][  T291] 
[   21.644208][  T291] CPU: 1 PID: 291 Comm: syz-executor295 Tainted: G        W          6.1.145-syzkaller-00002-gc750dc582629 #0
[   21.656351][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   21.666501][  T291] Call Trace:
[   21.669773][  T291]  <TASK>
[   21.672778][  T291]  __dump_stack+0x21/0x24
[   21.677181][  T291]  dump_stack_lvl+0xee/0x150
[   21.681858][  T291]  ? __cfi_dump_stack_lvl+0x8/0x8
[   21.686948][  T291]  ? ihold+0x20/0x60
[   21.690816][  T291]  ? ihold+0x20/0x60
[   21.694690][  T291]  print_report+0x3d/0x60
[   21.699091][  T291]  kasan_report+0x122/0x150
[   21.703655][  T291]  ? ihold+0x20/0x60
[   21.707696][  T291]  kasan_check_range+0x280/0x290
[   21.712728][  T291]  __kasan_check_write+0x14/0x20
[   21.717642][  T291]  ihold+0x20/0x60
[   21.721436][  T291]  vfs_rmdir+0x25f/0x500
[   21.725741][  T291]  incfs_kill_sb+0x105/0x220
[   21.730417][  T291]  deactivate_locked_super+0xb5/0x120
[   21.735765][  T291]  deactivate_super+0xaf/0xe0
[   21.740431][  T291]  cleanup_mnt+0x45f/0x4e0
[   21.745023][  T291]  ? umount_tree+0xe10/0xe10
[   21.749694][  T291]  __cleanup_mnt+0x19/0x20
[   21.754092][  T291]  task_work_run+0x1db/0x240
[   21.758659][  T291]  ? __cfi_task_work_run+0x10/0x10
[   21.763752][  T291]  ? path_umount+0x351/0xf50
[   21.768354][  T291]  ? __kasan_slab_free+0x11/0x20
[   21.773400][  T291]  ptrace_notify+0x221/0x250
[   21.777993][  T291]  ? __cfi_path_umount+0x10/0x10
[   21.782930][  T291]  ? __cfi_ptrace_notify+0x10/0x10
[   21.788124][  T291]  ? user_path_at_empty+0x161/0x1c0
[   21.793438][  T291]  ? __x64_sys_umount+0x125/0x160
[   21.798712][  T291]  ? __cfi___x64_sys_umount+0x10/0x10
[   21.804606][  T291]  ? fpregs_restore_userregs+0x128/0x260
[   21.810247][  T291]  syscall_exit_work+0x84/0x140
[   21.815090][  T291]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   21.821617][  T291]  syscall_exit_to_user_mode+0xd/0x30
[   21.827066][  T291]  do_syscall_64+0x58/0xa0
[   21.831620][  T291]  ? clear_bhb_loop+0x30/0x80
[   21.836390][  T291]  ? clear_bhb_loop+0x30/0x80
[   21.841073][  T291]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   21.847227][  T291] RIP: 0033:0x7f87dca7eac7
[   21.851727][  T291] 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
[   21.871959][  T291] RSP: 002b:00007fffb94f2138 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   21.880718][  T291] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87dca7eac7
[   21.888990][  T291] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb94f21f0
[   21.897152][  T291] RBP: 00007fffb94f21f0 R08: 0000000000000000 R09: 0000000000000000
[   21.905395][  T291] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffb94f3260
[   21.913467][  T291] R13: 000055556503d6c0 R14: 00007fffb94f3260 R15: 0000000000000001
[   21.921522][  T291]  </TASK>
[   21.924623][  T291] ==================================================================
[   21.932810][  T291] Disabling lock debugging due to kernel taint
[   21.939617][  T291] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   21.947770][  T291] #PF: supervisor write access in kernel mode
[   21.953844][  T291] #PF: error_code(0x0002) - not-present page
[   21.960349][  T291] PGD 0 P4D 0 
[   21.963824][  T291] Oops: 0002 [#1] PREEMPT SMP KASAN
[   21.969171][  T291] CPU: 0 PID: 291 Comm: syz-executor295 Tainted: G    B   W          6.1.145-syzkaller-00002-gc750dc582629 #0
[   21.980796][  T291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   21.990846][  T291] RIP: 0010:ihold+0x26/0x60
[   21.995337][  T291] 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
[   22.015020][  T291] RSP: 0018:ffffc90000e97b78 EFLAGS: 00010246
[   22.021504][  T291] RAX: ffff88810b451400 RBX: 0000000000000000 RCX: ffff88810b451440
[   22.029815][  T291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.037957][  T291] RBP: ffffc90000e97b88 R08: dffffc0000000000 R09: fffffbfff0f2d4fd
[   22.045994][  T291] R10: fffffbfff0f2d4fd R11: 1ffffffff0f2d4fc R12: ffff888121440be4
[   22.054231][  T291] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   22.062364][  T291] FS:  000055556503c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.071458][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.078224][  T291] CR2: 0000000000000170 CR3: 000000010d126000 CR4: 00000000003506b0
[   22.086451][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.094586][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.102653][  T291] Call Trace:
[   22.105914][  T291]  <TASK>
[   22.108912][  T291]  vfs_rmdir+0x25f/0x500
[   22.113480][  T291]  incfs_kill_sb+0x105/0x220
[   22.118326][  T291]  deactivate_locked_super+0xb5/0x120
[   22.123688][  T291]  deactivate_super+0xaf/0xe0
[   22.128406][  T291]  cleanup_mnt+0x45f/0x4e0
[   22.133088][  T291]  ? umount_tree+0xe10/0xe10
[   22.137961][  T291]  __cleanup_mnt+0x19/0x20
[   22.142456][  T291]  task_work_run+0x1db/0x240
[   22.147157][  T291]  ? __cfi_task_work_run+0x10/0x10
[   22.152455][  T291]  ? path_umount+0x351/0xf50
[   22.157134][  T291]  ? __kasan_slab_free+0x11/0x20
[   22.162071][  T291]  ptrace_notify+0x221/0x250
[   22.166852][  T291]  ? __cfi_path_umount+0x10/0x10
[   22.171869][  T291]  ? __cfi_ptrace_notify+0x10/0x10
[   22.176959][  T291]  ? user_path_at_empty+0x161/0x1c0
[   22.182220][  T291]  ? __x64_sys_umount+0x125/0x160
[   22.187317][  T291]  ? __cfi___x64_sys_umount+0x10/0x10
[   22.192779][  T291]  ? fpregs_restore_userregs+0x128/0x260
[   22.198574][  T291]  syscall_exit_work+0x84/0x140
[   22.203498][  T291]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   22.210008][  T291]  syscall_exit_to_user_mode+0xd/0x30
[   22.215373][  T291]  do_syscall_64+0x58/0xa0
[   22.219962][  T291]  ? clear_bhb_loop+0x30/0x80
[   22.224705][  T291]  ? clear_bhb_loop+0x30/0x80
[   22.229532][  T291]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   22.235485][  T291] RIP: 0033:0x7f87dca7eac7
[   22.239875][  T291] 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
[   22.259992][  T291] RSP: 002b:00007fffb94f2138 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   22.268384][  T291] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f87dca7eac7
[   22.276349][  T291] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb94f21f0
[   22.284569][  T291] RBP: 00007fffb94f21f0 R08: 0000000000000000 R09: 0000000000000000
[   22.292967][  T291] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffb94f3260
[   22.301363][  T291] R13: 000055556503d6c0 R14: 00007fffb94f3260 R15: 0000000000000001
[   22.309597][  T291]  </TASK>
[   22.312683][  T291] Modules linked in:
[   22.316792][  T291] CR2: 0000000000000170
[   22.320940][  T291] ---[ end trace 0000000000000000 ]---
[   22.326388][  T291] RIP: 0010:ihold+0x26/0x60
[   22.331051][  T291] 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
[   22.351002][  T291] RSP: 0018:ffffc90000e97b78 EFLAGS: 00010246
[   22.357153][  T291] RAX: ffff88810b451400 RBX: 0000000000000000 RCX: ffff88810b451440
[   22.365634][  T291] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   22.373863][  T291] RBP: ffffc90000e97b88 R08: dffffc0000000000 R09: fffffbfff0f2d4fd
[   22.381990][  T291] R10: fffffbfff0f2d4fd R11: 1ffffffff0f2d4fc R12: ffff888121440be4
[   22.390056][  T291] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   22.398014][  T291] FS:  000055556503c380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   22.406922][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.413601][  T291] CR2: 0000000000000170 CR3: 000000010d126000 CR4: 00000000003506b0
[   22.421813][  T291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   22.429767][  T291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   22.437734][  T291] Kernel panic - not syncing: Fatal exception
[   22.444013][  T291] Kernel Offset: disabled
[   22.448424][  T291] Rebooting in 86400 seconds..