./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4099511241

<...>
Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts.
execve("./syz-executor4099511241", ["./syz-executor4099511241"], 0x7ffc90608c70 /* 10 vars */) = 0
brk(NULL)                               = 0x55556ea24000
brk(0x55556ea24d00)                     = 0x55556ea24d00
arch_prctl(ARCH_SET_FS, 0x55556ea24380) = 0
set_tid_address(0x55556ea24650)         = 358
set_robust_list(0x55556ea24660, 24)     = 0
rseq(0x55556ea24ca0, 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-executor4099511241", 4096) = 28
getrandom("\xad\xc4\x1e\x7f\x15\x0a\xbe\xd5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556ea24d00
brk(0x55556ea45d00)                     = 0x55556ea45d00
brk(0x55556ea46000)                     = 0x55556ea46000
mprotect(0x7f85b67fd000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
mkdir("./syzkaller.I1sw5h", 0700)       = 0
chmod("./syzkaller.I1sw5h", 0777)       = 0
chdir("./syzkaller.I1sw5h")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556ea24650) = 359
./strace-static-x86_64: Process 359 attached
[pid   359] set_robust_list(0x55556ea24660, 24) = 0
[pid   359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   359] getppid()                   = 0
[pid   359] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   359] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   359] unshare(CLONE_NEWNS)        = 0
[pid   359] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   359] unshare(CLONE_NEWCGROUP)    = 0
[pid   359] unshare(CLONE_NEWUTS)       = 0
[pid   359] unshare(CLONE_SYSVSEM)      = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   359] getpid()                    = 1
[pid   359] 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, 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, inheritable=0}) = 0
[pid   359] 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, 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, inheritable=0}) = 0
[pid   359] unshare(CLONE_NEWNET)       = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "0 65535", 7)      = 7
[pid   359] close(3)                    = 0
[pid   359] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   359] write(3, "100000", 6)       = 6
[pid   359] close(3)                    = 0
[pid   359] mkdir("./syz-tmp", 0777)    = 0
[   25.958971][   T23] audit: type=1400 audit(1738371766.630:66): avc:  denied  { execmem } for  pid=358 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   25.979479][   T23] audit: type=1400 audit(1738371766.650:67): avc:  denied  { mounton } for  pid=359 comm="syz-executor409" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   359] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   359] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   359] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   359] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[   26.032388][   T23] audit: type=1400 audit(1738371766.700:68): avc:  denied  { mounton } for  pid=359 comm="syz-executor409" path="/root/syzkaller.I1sw5h/syz-tmp" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   26.056805][   T23] audit: type=1400 audit(1738371766.700:69): avc:  denied  { mount } for  pid=359 comm="syz-executor409" name="/" dev="tmpfs" ino=11698 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   359] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   359] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   359] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   359] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] 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   359] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   359] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   359] 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   359] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   359] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   359] chdir("/")                  = 0
[pid   359] umount2("./pivot", MNT_DETACH) = 0
[pid   359] chroot("./newroot")         = 0
[pid   359] chdir("/")                  = 0
[pid   359] mkdir("/dev/gadgetfs", 0777) = 0
[   26.080967][   T23] audit: type=1400 audit(1738371766.760:70): avc:  denied  { mounton } for  pid=359 comm="syz-executor409" path="/root/syzkaller.I1sw5h/syz-tmp/newroot/dev" dev="tmpfs" ino=11700 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   26.106472][   T23] audit: type=1400 audit(1738371766.760:71): avc:  denied  { mount } for  pid=359 comm="syz-executor409" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid   359] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   359] mkdir("/dev/binderfs", 0777) = 0
[pid   359] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   359] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   359] mkdir("./0", 0777)          = 0
[pid   359] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556ea24650) = 2
./strace-static-x86_64: Process 361 attached
[pid   361] set_robust_list(0x55556ea24660, 24) = 0
[pid   361] chdir("./0")                = 0
[pid   361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   361] setpgid(0, 0)               = 0
[pid   361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   361] write(3, "1000", 4)         = 4
[pid   361] close(3)                    = 0
[pid   361] symlink("/dev/binderfs", "./binderfs") = 0
[pid   361] write(1, "executing program\n", 18executing program
) = 18
[pid   361] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   361] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   361] mount("./file0", "./file0", "incremental-fs", MS_RDONLY, NULL) = 0
[pid   361] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   361] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   361] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   361] exit_group(0)               = ?
[pid   361] +++ exited with 0 +++
[pid   359] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   359] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   359] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   359] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(3, 0x55556ea256f0 /* 6 entries */, 32768) = 176
[pid   359] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   359] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(4, 0x55556ea2d730 /* 2 entries */, 32768) = 48
[pid   359] getdents64(4, 0x55556ea2d730 /* 0 entries */, 32768) = 0
[pid   359] close(4)                    = 0
[pid   359] rmdir("./0/.incomplete")    = 0
[pid   359] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   359] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   359] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   359] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   359] getdents64(4, 0x55556ea2d730 /* 2 entries */, 32768) = 48
[pid   359] getdents64(4, 0x55556ea2d730 /* 0 entries */, 32768) = 0
[pid   359] close(4)                    = 0
[pid   359] rmdir("./0/.index")         = 0
[   26.109635][  T359] request_module fs-gadgetfs succeeded, but still no fs?
[   26.128255][   T23] audit: type=1400 audit(1738371766.760:72): avc:  denied  { mounton } for  pid=359 comm="syz-executor409" path="/root/syzkaller.I1sw5h/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
[   26.161599][   T23] audit: type=1400 audit(1738371766.760:73): avc:  denied  { mounton } for  pid=359 comm="syz-executor409" path="/root/syzkaller.I1sw5h/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=11705 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   26.189023][   T23] audit: type=1400 audit(1738371766.760:74): avc:  denied  { unmount } for  pid=359 comm="syz-executor409" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   26.189314][  T359] ------------[ cut here ]------------
[   26.208528][   T23] audit: type=1400 audit(1738371766.780:75): avc:  denied  { mounton } for  pid=359 comm="syz-executor409" path="/dev/gadgetfs" dev="devtmpfs" ino=11708 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   26.213673][  T359] WARNING: CPU: 1 PID: 359 at fs/inode.c:302 drop_nlink+0xbb/0x100
[   26.213682][  T359] Modules linked in:
[   26.248013][  T359] CPU: 1 PID: 359 Comm: syz-executor409 Not tainted 5.4.289-syzkaller-00025-g49530c73f82d #0
[   26.258076][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   26.268071][  T359] RIP: 0010:drop_nlink+0xbb/0x100
[   26.272918][  T359] Code: 49 8b 1e 48 8d bb d0 04 00 00 be 08 00 00 00 e8 9b 99 f2 ff f0 48 ff 83 d0 04 00 00 5b 41 5c 41 5e 41 5f 5d c3 e8 e5 db c2 ff <0f> 0b eb 89 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 62 ff ff ff 4c
[   26.292360][  T359] RSP: 0018:ffff8881dbe37b68 EFLAGS: 00010293
[   26.298262][  T359] RAX: ffffffff81a16e8b RBX: 1ffff1103dcf42af RCX: ffff8881dbe00000
[   26.306074][  T359] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.313889][  T359] RBP: 0000000000000000 R08: ffffffff81a16e0f R09: 0000000000000003
[   26.321697][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff8881ee7a1578
[   26.329509][  T359] R13: dffffc0000000000 R14: ffff8881ee7a1530 R15: dffffc0000000000
[   26.337322][  T359] FS:  000055556ea24380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   26.346083][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.352506][  T359] CR2: 0000562061b45338 CR3: 00000001d98af000 CR4: 00000000003406a0
[   26.360328][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.368136][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.375948][  T359] Call Trace:
[   26.379185][  T359]  ? __warn+0x162/0x250
[   26.383161][  T359]  ? report_bug+0x3a1/0x4e0
[   26.387497][  T359]  ? drop_nlink+0xbb/0x100
[   26.391750][  T359]  ? drop_nlink+0xbb/0x100
[   26.396015][  T359]  ? do_invalid_op+0x6e/0x110
[   26.400518][  T359]  ? invalid_op+0x1e/0x30
[   26.404683][  T359]  ? drop_nlink+0x3f/0x100
[   26.408932][  T359]  ? drop_nlink+0xbb/0x100
[   26.413185][  T359]  ? drop_nlink+0xbb/0x100
[   26.417443][  T359]  ? drop_nlink+0xbb/0x100
[   26.421691][  T359]  shmem_rmdir+0x54/0x80
[   26.425793][  T359]  vfs_rmdir+0x285/0x3c0
[   26.429942][  T359]  incfs_kill_sb+0x105/0x200
[   26.434550][  T359]  deactivate_locked_super+0xa8/0x110
[   26.439920][  T359]  deactivate_super+0x1e2/0x2a0
[   26.444621][  T359]  ? deactivate_locked_super+0x110/0x110
[   26.450073][  T359]  ? fast_dput+0x7a/0x280
[   26.454241][  T359]  cleanup_mnt+0x44e/0x500
[   26.458493][  T359]  task_work_run+0x140/0x170
[   26.462920][  T359]  ptrace_notify+0x29e/0x350
[   26.467347][  T359]  ? do_notify_parent+0xa10/0xa10
[   26.472206][  T359]  ? ksys_umount+0x3a6/0x410
[   26.476806][  T359]  ? namespace_unlock+0x4e0/0x4e0
[   26.481669][  T359]  ? fpu__clear+0x3c0/0x3c0
[   26.486021][  T359]  syscall_slow_exit_work+0x167/0x400
[   26.491486][  T359]  do_syscall_64+0x19d/0x1c0
[   26.495995][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   26.501827][  T359] RIP: 0033:0x7f85b678aa87
[   26.506056][  T359] 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
[   26.525505][  T359] RSP: 002b:00007fffbe202ed8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.533838][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f85b678aa87
[   26.541643][  T359] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbe202f90
[   26.549540][  T359] RBP: 00007fffbe202f90 R08: 0000000000000000 R09: 0000000000000000
[   26.557349][  T359] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffbe204000
[   26.565264][  T359] R13: 000055556ea256c0 R14: 00007fffbe204000 R15: 0000000000000001
[   26.573076][  T359] ---[ end trace c8397d1ffaa099ab ]---
[   26.579006][  T359] ==================================================================
[   26.586881][  T359] BUG: KASAN: null-ptr-deref in ihold+0x1b/0x50
[   26.592946][  T359] Write of size 4 at addr 0000000000000160 by task syz-executor409/359
[   26.601098][  T359] 
[   26.603285][  T359] CPU: 1 PID: 359 Comm: syz-executor409 Tainted: G        W         5.4.289-syzkaller-00025-g49530c73f82d #0
[   26.614645][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   26.624539][  T359] Call Trace:
[   26.627678][  T359]  dump_stack+0x1d8/0x241
[   26.631833][  T359]  ? panic+0x89d/0x89d
[   26.635748][  T359]  ? nf_ct_l4proto_log_invalid+0x258/0x258
[   26.641391][  T359]  ? _raw_spin_trylock_bh+0x190/0x190
[   26.646600][  T359]  ? _raw_spin_unlock+0x49/0x60
[   26.651364][  T359]  ? ihold+0x1b/0x50
[   26.655094][  T359]  __kasan_report+0xe9/0x120
[   26.659539][  T359]  ? ihold+0x1b/0x50
[   26.663249][  T359]  kasan_report+0x30/0x60
[   26.667504][  T359]  check_memory_region+0x272/0x280
[   26.672451][  T359]  ihold+0x1b/0x50
[   26.676013][  T359]  vfs_rmdir+0x1e0/0x3c0
[   26.680088][  T359]  incfs_kill_sb+0x105/0x200
[   26.684739][  T359]  deactivate_locked_super+0xa8/0x110
[   26.689960][  T359]  deactivate_super+0x1e2/0x2a0
[   26.694619][  T359]  ? deactivate_locked_super+0x110/0x110
[   26.700088][  T359]  ? fast_dput+0x7a/0x280
[   26.704253][  T359]  cleanup_mnt+0x44e/0x500
[   26.708507][  T359]  task_work_run+0x140/0x170
[   26.712942][  T359]  ptrace_notify+0x29e/0x350
[   26.717369][  T359]  ? do_notify_parent+0xa10/0xa10
[   26.722217][  T359]  ? ksys_umount+0x3a6/0x410
[   26.726644][  T359]  ? namespace_unlock+0x4e0/0x4e0
[   26.731938][  T359]  ? fpu__clear+0x3c0/0x3c0
[   26.736278][  T359]  syscall_slow_exit_work+0x167/0x400
[   26.741486][  T359]  do_syscall_64+0x19d/0x1c0
[   26.745915][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   26.751728][  T359] RIP: 0033:0x7f85b678aa87
[   26.756070][  T359] 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
[   26.775853][  T359] RSP: 002b:00007fffbe202ed8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.784096][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f85b678aa87
[   26.791906][  T359] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbe202f90
[   26.799719][  T359] RBP: 00007fffbe202f90 R08: 0000000000000000 R09: 0000000000000000
[   26.807531][  T359] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffbe204000
[   26.815341][  T359] R13: 000055556ea256c0 R14: 00007fffbe204000 R15: 0000000000000001
[   26.823154][  T359] ==================================================================
[   26.831055][  T359] Disabling lock debugging due to kernel taint
[   26.837227][  T359] BUG: kernel NULL pointer dereference, address: 0000000000000160
[   26.844829][  T359] #PF: supervisor write access in kernel mode
[   26.850732][  T359] #PF: error_code(0x0002) - not-present page
[   26.856546][  T359] PGD 0 P4D 0 
[   26.859764][  T359] Oops: 0002 [#1] PREEMPT SMP KASAN
[   26.864803][  T359] CPU: 1 PID: 359 Comm: syz-executor409 Tainted: G    B   W         5.4.289-syzkaller-00025-g49530c73f82d #0
[   26.876160][  T359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[   26.886069][  T359] RIP: 0010:ihold+0x20/0x50
[   26.890397][  T359] Code: 0f 1f 84 00 00 00 00 00 66 90 55 53 48 89 fb e8 46 d4 c2 ff 48 8d bb 60 01 00 00 be 04 00 00 00 e8 d5 91 f2 ff bd 01 00 00 00 <f0> 0f c1 ab 60 01 00 00 ff c5 bf 02 00 00 00 89 ee e8 0a d7 c2 ff
[   26.909837][  T359] RSP: 0018:ffff8881dbe37ba0 EFLAGS: 00010246
[   26.915739][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881dbe00000
[   26.923600][  T359] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   26.931360][  T359] RBP: 0000000000000001 R08: ffffffff813ae535 R09: 0000000000000003
[   26.939174][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[   26.946985][  T359] R13: dffffc0000000000 R14: ffff8881e0f61f98 R15: 0000000000000000
[   26.954800][  T359] FS:  000055556ea24380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   26.963563][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.970158][  T359] CR2: 0000000000000160 CR3: 00000001d98af000 CR4: 00000000003406a0
[   26.977973][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.985791][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.993589][  T359] Call Trace:
[   26.996726][  T359]  ? __die+0xb4/0x100
[   27.000541][  T359]  ? no_context+0xac7/0xd20
[   27.004882][  T359]  ? is_prefetch+0x4b0/0x4b0
[   27.009303][  T359]  ? ihold+0x1b/0x50
[   27.013059][  T359]  ? __do_page_fault+0xa72/0xbb0
[   27.017813][  T359]  ? __bad_area_nosemaphore+0xc0/0x470
[   27.023126][  T359]  ? page_fault+0x2f/0x40
[   27.027271][  T359]  ? check_panic_on_warn+0x55/0xa0
[   27.032216][  T359]  ? ihold+0x20/0x50
[   27.035958][  T359]  vfs_rmdir+0x1e0/0x3c0
[   27.040030][  T359]  incfs_kill_sb+0x105/0x200
[   27.044459][  T359]  deactivate_locked_super+0xa8/0x110
[   27.049668][  T359]  deactivate_super+0x1e2/0x2a0
[   27.054351][  T359]  ? deactivate_locked_super+0x110/0x110
[   27.059832][  T359]  ? fast_dput+0x7a/0x280
[   27.063987][  T359]  cleanup_mnt+0x44e/0x500
[   27.068239][  T359]  task_work_run+0x140/0x170
[   27.072667][  T359]  ptrace_notify+0x29e/0x350
[   27.077089][  T359]  ? do_notify_parent+0xa10/0xa10
[   27.081948][  T359]  ? ksys_umount+0x3a6/0x410
[   27.086380][  T359]  ? namespace_unlock+0x4e0/0x4e0
[   27.091237][  T359]  ? fpu__clear+0x3c0/0x3c0
[   27.095575][  T359]  syscall_slow_exit_work+0x167/0x400
[   27.100783][  T359]  do_syscall_64+0x19d/0x1c0
[   27.105213][  T359]  entry_SYSCALL_64_after_hwframe+0x5c/0xc1
[   27.110941][  T359] RIP: 0033:0x7f85b678aa87
[   27.115208][  T359] 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
[   27.134633][  T359] RSP: 002b:00007fffbe202ed8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   27.142963][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f85b678aa87
[   27.150782][  T359] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbe202f90
[   27.158587][  T359] RBP: 00007fffbe202f90 R08: 0000000000000000 R09: 0000000000000000
[   27.166398][  T359] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007fffbe204000
[   27.174208][  T359] R13: 000055556ea256c0 R14: 00007fffbe204000 R15: 0000000000000001
[   27.182022][  T359] Modules linked in:
[   27.185769][  T359] CR2: 0000000000000160
[   27.189754][  T359] ---[ end trace c8397d1ffaa099ac ]---
[   27.195043][  T359] RIP: 0010:ihold+0x20/0x50
[   27.199382][  T359] Code: 0f 1f 84 00 00 00 00 00 66 90 55 53 48 89 fb e8 46 d4 c2 ff 48 8d bb 60 01 00 00 be 04 00 00 00 e8 d5 91 f2 ff bd 01 00 00 00 <f0> 0f c1 ab 60 01 00 00 ff c5 bf 02 00 00 00 89 ee e8 0a d7 c2 ff
[   27.218819][  T359] RSP: 0018:ffff8881dbe37ba0 EFLAGS: 00010246
[   27.224725][  T359] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8881dbe00000
[   27.232534][  T359] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   27.240347][  T359] RBP: 0000000000000001 R08: ffffffff813ae535 R09: 0000000000000003
[   27.248159][  T359] R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000000
[   27.255976][  T359] R13: dffffc0000000000 R14: ffff8881e0f61f98 R15: 0000000000000000
[   27.263783][  T359] FS:  000055556ea24380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[   27.272546][  T359] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.279054][  T359] CR2: 0000000000000160 CR3: 00000001d98af000 CR4: 00000000003406a0
[   27.286868][  T359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.294676][  T359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.302490][  T359] Kernel panic - not syncing: Fatal exception
[   27.308594][  T359] Kernel Offset: disabled
[   27.312719][  T359] Rebooting in 86400 seconds..