./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1054591561

<...>
Warning: Permanently added '10.128.0.30' (ED25519) to the list of known hosts.
execve("./syz-executor1054591561", ["./syz-executor1054591561"], 0x7ffcbbf7ead0 /* 10 vars */) = 0
brk(NULL)                               = 0x555582c84000
brk(0x555582c84d00)                     = 0x555582c84d00
arch_prctl(ARCH_SET_FS, 0x555582c84380) = 0
set_tid_address(0x555582c84650)         = 341
set_robust_list(0x555582c84660, 24)     = 0
rseq(0x555582c84ca0, 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-executor1054591561", 4096) = 28
getrandom("\x57\xf2\x00\xc7\xfa\xd1\x05\x7a", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555582c84d00
brk(0x555582ca5d00)                     = 0x555582ca5d00
brk(0x555582ca6000)                     = 0x555582ca6000
mprotect(0x7fd5e455e000, 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
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555582c84650) = 343
./strace-static-x86_64: Process 343 attached
[pid   343] set_robust_list(0x555582c84660, 24) = 0
[pid   343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   343] getppid()                   = 0
[pid   343] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   343] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   343] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   343] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   343] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   343] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   343] unshare(CLONE_NEWNS)        = 0
[pid   343] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   343] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   343] unshare(CLONE_NEWCGROUP)    = 0
[pid   343] unshare(CLONE_NEWUTS)       = 0
[pid   343] unshare(CLONE_SYSVSEM)      = 0
[pid   343] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   343] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   343] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   343] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   343] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   343] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   343] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   343] getpid()                    = 1
[pid   343] 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   343] 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   343] unshare(CLONE_NEWNET)       = 0
[pid   343] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   343] write(3, "0 65535", 7)      = 7
[pid   343] close(3)                    = 0
[pid   343] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   343] write(3, "100000", 6)       = 6
[pid   343] close(3)                    = 0
[pid   343] mkdir("./syz-tmp", 0777)    = 0
[pid   343] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   343] mkdir("./syz-tmp/newroot", 0777) = 0
[   25.251572][   T23] audit: type=1400 audit(1747631080.600:81): avc:  denied  { execmem } for  pid=341 comm="syz-executor105" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   25.276277][   T23] audit: type=1400 audit(1747631080.620:82): avc:  denied  { mounton } for  pid=343 comm="syz-executor105" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   343] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   343] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   343] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   343] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   343] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   343] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   343] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   343] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   343] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   343] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   343] 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   343] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   343] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   343] 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   343] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   343] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   343] chdir("/")                  = 0
[pid   343] umount2("./pivot", MNT_DETACH) = 0
[pid   343] chroot("./newroot")         = 0
[pid   343] chdir("/")                  = 0
[pid   343] mkdir("/dev/gadgetfs", 0777) = 0
[   25.301202][   T23] audit: type=1400 audit(1747631080.640:83): avc:  denied  { mounton } for  pid=343 comm="syz-executor105" path="/root/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   25.324621][   T23] audit: type=1400 audit(1747631080.650:84): avc:  denied  { mount } for  pid=343 comm="syz-executor105" name="/" dev="tmpfs" ino=11573 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   343] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   343] mkdir("/dev/binderfs", 0777) = 0
[pid   343] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   343] symlink("/dev/binderfs", "./binderfs") = 0
[pid   343] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   343] write(1, "executing program\n", 18executing program
) = 18
[pid   343] memfd_create("syzkaller", 0) = 3
[pid   343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd5dc0ab000
[pid   343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288
[pid   343] munmap(0x7fd5dc0ab000, 138412032) = 0
[pid   343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   343] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid   343] close(3)                    = 0
[   25.326616][  T343] request_module fs-gadgetfs succeeded, but still no fs?
[   25.347450][   T23] audit: type=1400 audit(1747631080.650:85): avc:  denied  { mounton } for  pid=343 comm="syz-executor105" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=11575 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   25.378924][   T23] audit: type=1400 audit(1747631080.650:86): avc:  denied  { mount } for  pid=343 comm="syz-executor105" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   25.400824][   T23] audit: type=1400 audit(1747631080.650:87): avc:  denied  { mounton } for  pid=343 comm="syz-executor105" path="/root/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
[   25.426020][   T23] audit: type=1400 audit(1747631080.650:88): avc:  denied  { mounton } for  pid=343 comm="syz-executor105" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=11580 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.452063][   T23] audit: type=1400 audit(1747631080.650:89): avc:  denied  { unmount } for  pid=343 comm="syz-executor105" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.471734][   T23] audit: type=1400 audit(1747631080.670:90): avc:  denied  { mounton } for  pid=343 comm="syz-executor105" path="/dev/gadgetfs" dev="devtmpfs" ino=11583 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[pid   343] close(4)                    = 0
[pid   343] mkdir("./file1", 0777)      = 0
[pid   343] mount("/dev/loop0", "./file1", "ext4", MS_RELATIME|MS_STRICTATIME, "noblock_validity,bsddf,sysvgroups,norecovery,debug_want_extra_isize=0x0000000000000080,noquota,nogrp"...) = 0
[pid   343] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid   343] chdir("./file1")            = 0
[pid   343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid   343] ioctl(4, LOOP_CLR_FD)       = 0
[pid   343] close(4)                    = 0
[pid   343] creat("./bus", 000)         = 4
[   25.654721][  T343] EXT4-fs (loop0): Ignoring removed nomblk_io_submit option
[   25.672999][  T343] EXT4-fs (loop0): mounted filesystem without journal. Opts: noblock_validity,bsddf,sysvgroups,norecovery,debug_want_extra_isize=0x0000000000000080,noquota,nogrpid,noauto_da_alloc,nomblk_io_submit,,errors=continue
[pid   343] mount("/dev/loop0", "./bus", NULL, MS_RDONLY|MS_MANDLOCK|MS_NOATIME|MS_BIND|MS_REC|MS_SLAVE|MS_SHARED|0x200, NULL) = 0
[pid   343] open("./bus", O_RDWR|O_NOCTTY|O_NONBLOCK|O_DIRECT|O_CLOEXEC) = 5
[pid   343] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED, 5, 0) = 0x200000000000
[pid   343] madvise(0x200000000000, 6291467, MADV_REMOVE) = 0
[pid   343] exit_group(1)               = ?
[   25.702205][  T343] ======================================================
[   25.702205][  T343] WARNING: the mand mount option is being deprecated and
[   25.702205][  T343]          will be removed in v5.15!
[   25.702205][  T343] ======================================================
[   25.734287][  T345] ------------[ cut here ]------------
[   25.739755][  T345] kernel BUG at fs/buffer.c:3027!
[   25.745008][  T345] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   25.751071][  T345] CPU: 0 PID: 345 Comm: kmmpd-loop0 Not tainted 5.4.292-syzkaller-00021-gcd8e74fa0fa3 #0
[   25.760847][  T345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   25.770892][  T345] RIP: 0010:submit_bh_wbc+0x8bd/0x8e0
[   25.776247][  T345] Code: 4d a8 80 e1 07 80 c1 03 38 c1 0f 8c 0e fe ff ff 48 8b 7d a8 e8 84 fd eb ff e9 00 fe ff ff e8 6a 03 be ff 0f 0b e8 63 03 be ff <0f> 0b e8 5c 03 be ff 0f 0b e8 55 03 be ff 0f 0b e8 4e 03 be ff 0f
[   25.795830][  T345] RSP: 0018:ffff8881ee12fc60 EFLAGS: 00010293
[   25.801869][  T345] RAX: ffffffff81a17b7d RBX: ffff8881dcb10e70 RCX: ffff8881f5cdde80
[   25.809819][  T345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.817767][  T345] RBP: ffff8881ee12fd08 R08: dffffc0000000000 R09: ffffed103b9621cf
[   25.825721][  T345] R10: ffffed103b9621cf R11: 1ffff1103b9621ce R12: 0000000000000000
[   25.833668][  T345] R13: 0000000000003800 R14: 0000000000000000 R15: 1ffff1103b9621ce
[   25.841624][  T345] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   25.850534][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.857104][  T345] CR2: 00007fd5e4532538 CR3: 00000001ecda7000 CR4: 00000000003406b0
[   25.865055][  T345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   25.873006][  T345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   25.880972][  T345] Call Trace:
[   25.884250][  T345]  ? _raw_spin_unlock_irqrestore+0x5b/0x80
[   25.890033][  T345]  ? del_timer_sync+0x144/0x1a0
[   25.894876][  T345]  submit_bh+0x2a/0x40
[   25.898928][  T345]  write_mmp_block+0x379/0x4e0
[   25.903677][  T345]  ? read_mmp_block+0x7b0/0x7b0
[   25.908514][  T345]  ? __kasan_check_read+0x11/0x20
[   25.913519][  T345]  kmmpd+0x276/0x9a0
[   25.917395][  T345]  ? default_wake_function+0x43/0x50
[   25.922657][  T345]  kthread+0x31e/0x3a0
[   25.926715][  T345]  ? write_mmp_block+0x4e0/0x4e0
[   25.931637][  T345]  ? kthread_blkcg+0xd0/0xd0
[   25.936211][  T345]  ret_from_fork+0x1f/0x30
[   25.940601][  T345] Modules linked in:
[   25.944673][  T345] ---[ end trace 7f0108ecc6cbf329 ]---
[   25.950379][  T345] RIP: 0010:submit_bh_wbc+0x8bd/0x8e0
[   25.955993][  T345] Code: 4d a8 80 e1 07 80 c1 03 38 c1 0f 8c 0e fe ff ff 48 8b 7d a8 e8 84 fd eb ff e9 00 fe ff ff e8 6a 03 be ff 0f 0b e8 63 03 be ff <0f> 0b e8 5c 03 be ff 0f 0b e8 55 03 be ff 0f 0b e8 4e 03 be ff 0f
[   25.975623][  T345] RSP: 0018:ffff8881ee12fc60 EFLAGS: 00010293
[   25.981693][  T345] RAX: ffffffff81a17b7d RBX: ffff8881dcb10e70 RCX: ffff8881f5cdde80
[   25.989642][  T345] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.997616][  T345] RBP: ffff8881ee12fd08 R08: dffffc0000000000 R09: ffffed103b9621cf
[   26.005590][  T345] R10: ffffed103b9621cf R11: 1ffff1103b9621ce R12: 0000000000000000
[   26.013598][  T345] R13: 0000000000003800 R14: 0000000000000000 R15: 1ffff1103b9621ce
[   26.021624][  T345] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   26.030563][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.037198][  T345] CR2: 00007fd5e4532538 CR3: 00000001ecda7000 CR4: 00000000003406b0
[   26.045193][  T345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.053171][  T345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.061166][  T345] Kernel panic - not syncing: Fatal exception
[   26.067512][  T345] Kernel Offset: disabled
[   26.071820][  T345] Rebooting in 86400 seconds..