./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2013419177

<...>
Warning: Permanently added '10.128.0.190' (ED25519) to the list of known hosts.
execve("./syz-executor2013419177", ["./syz-executor2013419177"], 0x7ffcacd97690 /* 10 vars */) = 0
brk(NULL)                               = 0x555556f52000
brk(0x555556f52d00)                     = 0x555556f52d00
arch_prctl(ARCH_SET_FS, 0x555556f52380) = 0
set_tid_address(0x555556f52650)         = 289
set_robust_list(0x555556f52660, 24)     = 0
rseq(0x555556f52ca0, 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-executor2013419177", 4096) = 28
getrandom("\x3c\xa2\x59\xd2\x38\x97\xaa\x2e", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555556f52d00
brk(0x555556f73d00)                     = 0x555556f73d00
brk(0x555556f74000)                     = 0x555556f74000
mprotect(0x7f4345184000, 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.uhvzKf", 0700)       = 0
chmod("./syzkaller.uhvzKf", 0777)       = 0
chdir("./syzkaller.uhvzKf")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f52650) = 290
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x555556f52660, 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
[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
[   25.111401][   T28] audit: type=1400 audit(1749711411.752:64): avc:  denied  { execmem } for  pid=289 comm="syz-executor201" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   25.131851][   T28] audit: type=1400 audit(1749711411.752:65): avc:  denied  { mounton } for  pid=290 comm="syz-executor201" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   290] umount2("./pivot", MNT_DETACH) = 0
[pid   290] chroot("./newroot")         = 0
[pid   290] chdir("/")                  = 0
[pid   290] mkdir("/dev/gadgetfs", 0777) = 0
[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)
[   25.154318][   T28] audit: type=1400 audit(1749711411.782:66): avc:  denied  { mounton } for  pid=290 comm="syz-executor201" path="/root/syzkaller.uhvzKf/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   25.179112][   T28] audit: type=1400 audit(1749711411.782:67): avc:  denied  { mount } for  pid=290 comm="syz-executor201" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   25.181426][  T290] request_module fs-gadgetfs succeeded, but still no fs?
[pid   290] mkdir("./0", 0777)          = 0
[pid   290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556f52650) = 2
./strace-static-x86_64: Process 291 attached
[pid   291] set_robust_list(0x555556f52660, 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
executing program
[pid   291] symlink("/dev/binderfs", "./binderfs") = 0
[pid   291] write(1, "executing program\n", 18) = 18
[pid   291] mkdir("./file0", 000)       = 0
[pid   291] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   291] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   291] close(3)                    = -1 EBADF (Bad file descriptor)
[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=1} ---
[pid   290] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   290] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   290] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   290] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   290] getdents64(3, 0x555556f536f0 /* 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, 0x555556f5b730 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x555556f5b730 /* 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, 0x555556f5b730 /* 2 entries */, 32768) = 48
[pid   290] getdents64(4, 0x555556f5b730 /* 0 entries */, 32768) = 0
[pid   290] close(4)                    = 0
[pid   290] rmdir("./0/.index")         = 0
[   25.201934][   T28] audit: type=1400 audit(1749711411.782:68): avc:  denied  { mounton } for  pid=290 comm="syz-executor201" path="/root/syzkaller.uhvzKf/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
[   25.219526][  T291] incfs: ino conflict with backing FS 9
[   25.234790][   T28] audit: type=1400 audit(1749711411.782:69): avc:  denied  { mount } for  pid=290 comm="syz-executor201" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   25.261804][  T290] ------------[ cut here ]------------
[   25.262236][   T28] audit: type=1400 audit(1749711411.782:70): avc:  denied  { mounton } for  pid=290 comm="syz-executor201" path="/root/syzkaller.uhvzKf/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
[   25.267422][  T290] WARNING: CPU: 0 PID: 290 at fs/inode.c:332 drop_nlink+0xc5/0x110
[   25.294099][   T28] audit: type=1400 audit(1749711411.782:71): avc:  denied  { mounton } for  pid=290 comm="syz-executor201" path="/root/syzkaller.uhvzKf/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14272 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.301992][  T290] Modules linked in:
[   25.302018][  T290] CPU: 0 PID: 290 Comm: syz-executor201 Not tainted 6.1.138-syzkaller-00005-g5b2e204a7b75 #0
[   25.329928][   T28] audit: type=1400 audit(1749711411.802:72): avc:  denied  { unmount } for  pid=290 comm="syz-executor201" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.333529][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   25.343813][   T28] audit: type=1400 audit(1749711411.822:73): avc:  denied  { mounton } for  pid=290 comm="syz-executor201" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   25.363364][  T290] RIP: 0010:drop_nlink+0xc5/0x110
[   25.401568][  T290] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 63 ee f0 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 9b 94 ac ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   25.421225][  T290] RSP: 0018:ffffc90000e47b38 EFLAGS: 00010293
[   25.427340][  T290] RAX: ffffffff81c35c75 RBX: ffff888125edb938 RCX: ffff88810e6cd100
[   25.435381][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.443469][  T290] RBP: ffffc90000e47b60 R08: 0000000000000004 R09: 0000000000000003
[   25.451504][  T290] R10: fffff520001c8f58 R11: 1ffff920001c8f58 R12: dffffc0000000000
[   25.459539][  T290] R13: 1ffff11024bdb730 R14: ffff888125edb980 R15: 0000000000000000
[   25.467543][  T290] FS:  0000555556f52380(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   25.476577][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.483231][  T290] CR2: 0000564f94572748 CR3: 0000000126de1000 CR4: 00000000003506b0
[   25.491269][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.499282][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.507333][  T290] Call Trace:
[   25.510807][  T290]  <TASK>
[   25.513754][  T290]  shmem_rmdir+0x5b/0x90
[   25.518060][  T290]  vfs_rmdir+0x393/0x500
[   25.522413][  T290]  incfs_kill_sb+0x105/0x220
[   25.527074][  T290]  deactivate_locked_super+0xb5/0x120
[   25.532472][  T290]  deactivate_super+0xaf/0xe0
[   25.537193][  T290]  cleanup_mnt+0x45f/0x4e0
[   25.541631][  T290]  ? umount_tree+0xe10/0xe10
[   25.546220][  T290]  __cleanup_mnt+0x19/0x20
[   25.550690][  T290]  task_work_run+0x1db/0x240
[   25.555415][  T290]  ? __cfi_task_work_run+0x10/0x10
[   25.560813][  T290]  ? path_umount+0x351/0xf40
[   25.565435][  T290]  ? __kasan_slab_free+0x11/0x20
[   25.570432][  T290]  ptrace_notify+0x221/0x250
[   25.575053][  T290]  ? __cfi_path_umount+0x10/0x10
[   25.580160][  T290]  ? __cfi_ptrace_notify+0x10/0x10
[   25.585372][  T290]  ? user_path_at_empty+0x161/0x1c0
[   25.590894][  T290]  ? __x64_sys_umount+0x125/0x160
[   25.596036][  T290]  ? __cfi___x64_sys_umount+0x10/0x10
[   25.601457][  T290]  ? fpregs_restore_userregs+0x128/0x260
[   25.607180][  T290]  syscall_exit_work+0x84/0x140
[   25.612050][  T290]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   25.618334][  T290]  syscall_exit_to_user_mode+0xd/0x30
[   25.623726][  T290]  do_syscall_64+0x58/0xa0
[   25.628215][  T290]  ? clear_bhb_loop+0x15/0x70
[   25.632908][  T290]  ? clear_bhb_loop+0x15/0x70
[   25.637622][  T290]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   25.643541][  T290] RIP: 0033:0x7f4345111ac7
[   25.648112][  T290] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.667891][  T290] RSP: 002b:00007ffd373e3098 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.676361][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4345111ac7
[   25.684394][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd373e3150
[   25.692457][  T290] RBP: 00007ffd373e3150 R08: 0000000000000000 R09: 0000000000000000
[   25.700481][  T290] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd373e41c0
[   25.708511][  T290] R13: 0000555556f536c0 R14: 00007ffd373e41c0 R15: 0000000000000001
[   25.716504][  T290]  </TASK>
[   25.719578][  T290] ---[ end trace 0000000000000000 ]---
[   25.725165][  T290] ==================================================================
[   25.733278][  T290] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   25.739536][  T290] Write of size 4 at addr 0000000000000170 by task syz-executor201/290
[   25.747768][  T290] 
[   25.750098][  T290] CPU: 1 PID: 290 Comm: syz-executor201 Tainted: G        W          6.1.138-syzkaller-00005-g5b2e204a7b75 #0
[   25.761717][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   25.771768][  T290] Call Trace:
[   25.775057][  T290]  <TASK>
[   25.777999][  T290]  __dump_stack+0x21/0x24
[   25.782331][  T290]  dump_stack_lvl+0xee/0x150
[   25.786923][  T290]  ? __cfi_dump_stack_lvl+0x8/0x8
[   25.791956][  T290]  ? ihold+0x20/0x60
[   25.795851][  T290]  ? ihold+0x20/0x60
[   25.799835][  T290]  print_report+0x3d/0x60
[   25.804162][  T290]  kasan_report+0x122/0x150
[   25.808669][  T290]  ? ihold+0x20/0x60
[   25.812741][  T290]  kasan_check_range+0x280/0x290
[   25.817680][  T290]  __kasan_check_write+0x14/0x20
[   25.822629][  T290]  ihold+0x20/0x60
[   25.826350][  T290]  vfs_rmdir+0x25f/0x500
[   25.830589][  T290]  incfs_kill_sb+0x105/0x220
[   25.835175][  T290]  deactivate_locked_super+0xb5/0x120
[   25.840558][  T290]  deactivate_super+0xaf/0xe0
[   25.845233][  T290]  cleanup_mnt+0x45f/0x4e0
[   25.849648][  T290]  ? umount_tree+0xe10/0xe10
[   25.854349][  T290]  __cleanup_mnt+0x19/0x20
[   25.858861][  T290]  task_work_run+0x1db/0x240
[   25.863623][  T290]  ? __cfi_task_work_run+0x10/0x10
[   25.868748][  T290]  ? path_umount+0x351/0xf40
[   25.873365][  T290]  ? __kasan_slab_free+0x11/0x20
[   25.878401][  T290]  ptrace_notify+0x221/0x250
[   25.883023][  T290]  ? __cfi_path_umount+0x10/0x10
[   25.887956][  T290]  ? __cfi_ptrace_notify+0x10/0x10
[   25.893067][  T290]  ? user_path_at_empty+0x161/0x1c0
[   25.898259][  T290]  ? __x64_sys_umount+0x125/0x160
[   25.903278][  T290]  ? __cfi___x64_sys_umount+0x10/0x10
[   25.908654][  T290]  ? fpregs_restore_userregs+0x128/0x260
[   25.914372][  T290]  syscall_exit_work+0x84/0x140
[   25.919215][  T290]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   25.925364][  T290]  syscall_exit_to_user_mode+0xd/0x30
[   25.930736][  T290]  do_syscall_64+0x58/0xa0
[   25.935151][  T290]  ? clear_bhb_loop+0x15/0x70
[   25.939820][  T290]  ? clear_bhb_loop+0x15/0x70
[   25.944490][  T290]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   25.950381][  T290] RIP: 0033:0x7f4345111ac7
[   25.954826][  T290] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   25.974445][  T290] RSP: 002b:00007ffd373e3098 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   25.982980][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4345111ac7
[   25.991051][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd373e3150
[   25.999110][  T290] RBP: 00007ffd373e3150 R08: 0000000000000000 R09: 0000000000000000
[   26.007316][  T290] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd373e41c0
[   26.015821][  T290] R13: 0000555556f536c0 R14: 00007ffd373e41c0 R15: 0000000000000001
[   26.023809][  T290]  </TASK>
[   26.026936][  T290] ==================================================================
[   26.035391][  T290] Disabling lock debugging due to kernel taint
[   26.041625][  T290] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   26.049435][  T290] #PF: supervisor write access in kernel mode
[   26.055494][  T290] #PF: error_code(0x0002) - not-present page
[   26.061550][  T290] PGD 0 P4D 0 
[   26.064931][  T290] Oops: 0002 [#1] PREEMPT SMP KASAN
[   26.070133][  T290] CPU: 1 PID: 290 Comm: syz-executor201 Tainted: G    B   W          6.1.138-syzkaller-00005-g5b2e204a7b75 #0
[   26.081753][  T290] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   26.091813][  T290] RIP: 0010:ihold+0x26/0x60
[   26.096332][  T290] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 01 8c ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 a0 e5 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 f1
[   26.116132][  T290] RSP: 0018:ffffc90000e47b78 EFLAGS: 00010246
[   26.122212][  T290] RAX: ffff88810e6cd100 RBX: 0000000000000000 RCX: ffff88810e6cd100
[   26.130188][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.138162][  T290] RBP: ffffc90000e47b88 R08: dffffc0000000000 R09: fffffbfff0f2cafd
[   26.146135][  T290] R10: fffffbfff0f2cafd R11: 1ffffffff0f2cafc R12: ffff888125edb944
[   26.154103][  T290] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   26.162163][  T290] FS:  0000555556f52380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.171182][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.177851][  T290] CR2: 0000000000000170 CR3: 0000000126de1000 CR4: 00000000003506a0
[   26.185930][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.194094][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.202072][  T290] Call Trace:
[   26.205352][  T290]  <TASK>
[   26.208279][  T290]  vfs_rmdir+0x25f/0x500
[   26.212523][  T290]  incfs_kill_sb+0x105/0x220
[   26.219023][  T290]  deactivate_locked_super+0xb5/0x120
[   26.224519][  T290]  deactivate_super+0xaf/0xe0
[   26.229199][  T290]  cleanup_mnt+0x45f/0x4e0
[   26.233617][  T290]  ? umount_tree+0xe10/0xe10
[   26.238219][  T290]  __cleanup_mnt+0x19/0x20
[   26.242642][  T290]  task_work_run+0x1db/0x240
[   26.247320][  T290]  ? __cfi_task_work_run+0x10/0x10
[   26.252796][  T290]  ? path_umount+0x351/0xf40
[   26.257476][  T290]  ? __kasan_slab_free+0x11/0x20
[   26.262500][  T290]  ptrace_notify+0x221/0x250
[   26.267089][  T290]  ? __cfi_path_umount+0x10/0x10
[   26.272022][  T290]  ? __cfi_ptrace_notify+0x10/0x10
[   26.277212][  T290]  ? user_path_at_empty+0x161/0x1c0
[   26.282420][  T290]  ? __x64_sys_umount+0x125/0x160
[   26.287449][  T290]  ? __cfi___x64_sys_umount+0x10/0x10
[   26.292830][  T290]  ? fpregs_restore_userregs+0x128/0x260
[   26.298545][  T290]  syscall_exit_work+0x84/0x140
[   26.303400][  T290]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   26.309560][  T290]  syscall_exit_to_user_mode+0xd/0x30
[   26.314956][  T290]  do_syscall_64+0x58/0xa0
[   26.319390][  T290]  ? clear_bhb_loop+0x15/0x70
[   26.324074][  T290]  ? clear_bhb_loop+0x15/0x70
[   26.328747][  T290]  entry_SYSCALL_64_after_hwframe+0x68/0xd2
[   26.334666][  T290] RIP: 0033:0x7f4345111ac7
[   26.339084][  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
[   26.358692][  T290] RSP: 002b:00007ffd373e3098 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   26.367111][  T290] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4345111ac7
[   26.375078][  T290] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd373e3150
[   26.383056][  T290] RBP: 00007ffd373e3150 R08: 0000000000000000 R09: 0000000000000000
[   26.391466][  T290] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd373e41c0
[   26.399623][  T290] R13: 0000555556f536c0 R14: 00007ffd373e41c0 R15: 0000000000000001
[   26.408205][  T290]  </TASK>
[   26.411232][  T290] Modules linked in:
[   26.415142][  T290] CR2: 0000000000000170
[   26.419304][  T290] ---[ end trace 0000000000000000 ]---
[   26.424772][  T290] RIP: 0010:ihold+0x26/0x60
[   26.429302][  T290] Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 01 8c ac ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 a0 e5 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 f1
[   26.449005][  T290] RSP: 0018:ffffc90000e47b78 EFLAGS: 00010246
[   26.455073][  T290] RAX: ffff88810e6cd100 RBX: 0000000000000000 RCX: ffff88810e6cd100
[   26.463043][  T290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.471105][  T290] RBP: ffffc90000e47b88 R08: dffffc0000000000 R09: fffffbfff0f2cafd
[   26.479078][  T290] R10: fffffbfff0f2cafd R11: 1ffffffff0f2cafc R12: ffff888125edb944
[   26.487053][  T290] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   26.495216][  T290] FS:  0000555556f52380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.504254][  T290] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.510855][  T290] CR2: 0000000000000170 CR3: 0000000126de1000 CR4: 00000000003506a0
[   26.518976][  T290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.526959][  T290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.535026][  T290] Kernel panic - not syncing: Fatal exception
[   26.541346][  T290] Kernel Offset: disabled
[   26.545833][  T290] Rebooting in 86400 seconds..