./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3539038092

<...>
Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts.
execve("./syz-executor3539038092", ["./syz-executor3539038092"], 0x7ffeee7d1d30 /* 10 vars */) = 0
brk(NULL)                               = 0x55556b33b000
brk(0x55556b33bd00)                     = 0x55556b33bd00
arch_prctl(ARCH_SET_FS, 0x55556b33b380) = 0
set_tid_address(0x55556b33b650)         = 355
set_robust_list(0x55556b33b660, 24)     = 0
rseq(0x55556b33bca0, 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-executor3539038092", 4096) = 28
getrandom("\xc0\xfb\xdf\xa9\x20\xf4\x79\x08", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556b33bd00
brk(0x55556b35cd00)                     = 0x55556b35cd00
brk(0x55556b35d000)                     = 0x55556b35d000
mprotect(0x7f1de54ba000, 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=0x55556b33b650) = 357
./strace-static-x86_64: Process 357 attached
[pid   357] set_robust_list(0x55556b33b660, 24) = 0
[pid   357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   357] getppid()                   = 0
[pid   357] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   357] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   357] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   357] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   357] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   357] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   357] unshare(CLONE_NEWNS)        = 0
[pid   357] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   357] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   357] unshare(CLONE_NEWCGROUP)    = 0
[pid   357] unshare(CLONE_NEWUTS)       = 0
[pid   357] unshare(CLONE_SYSVSEM)      = 0
[pid   357] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   357] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   357] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   357] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   357] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   357] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   357] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   357] getpid()                    = 1
[pid   357] 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   357] 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   357] unshare(CLONE_NEWNET)       = 0
[pid   357] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   357] write(3, "0 65535", 7)      = 7
[pid   357] close(3)                    = 0
[pid   357] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   357] write(3, "100000", 6)       = 6
[pid   357] close(3)                    = 0
[pid   357] mkdir("./syz-tmp", 0777)    = 0
[   20.773933][   T23] audit: type=1400 audit(1745210091.070:66): avc:  denied  { execmem } for  pid=355 comm="syz-executor353" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   20.787230][   T23] audit: type=1400 audit(1745210091.080:67): avc:  denied  { mounton } for  pid=357 comm="syz-executor353" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   357] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   357] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   357] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   357] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   357] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   357] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   357] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   357] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   357] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   357] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   357] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   357] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   357] 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   357] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   357] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   357] 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   357] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   357] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   357] chdir("/")                  = 0
[pid   357] umount2("./pivot", MNT_DETACH) = 0
[pid   357] chroot("./newroot")         = 0
[pid   357] chdir("/")                  = 0
[pid   357] mkdir("/dev/gadgetfs", 0777) = 0
[   20.816081][   T23] audit: type=1400 audit(1745210091.110:68): avc:  denied  { mounton } for  pid=357 comm="syz-executor353" 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
[   20.839445][   T23] audit: type=1400 audit(1745210091.110:69): avc:  denied  { mount } for  pid=357 comm="syz-executor353" name="/" dev="tmpfs" ino=11585 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   357] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   357] mkdir("/dev/binderfs", 0777) = 0
[pid   357] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   357] symlink("/dev/binderfs", "./binderfs") = 0
[pid   357] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
executing program
[pid   357] write(1, "executing program\n", 18) = 18
[pid   357] creat("./bus", 000)         = 3
[pid   357] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
[pid   357] open("./bus", O_RDWR|O_NOCTTY|O_NONBLOCK|O_NOFOLLOW) = 4
[pid   357] memfd_create("syzkaller", 0) = 5
[pid   357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f1ddd007000
[pid   357] write(5, "\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"..., 262144) = 262144
[pid   357] munmap(0x7f1ddd007000, 138412032) = 0
[pid   357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid   357] ioctl(6, LOOP_SET_FD, 5)    = 0
[pid   357] close(5)                    = 0
[pid   357] close(6)                    = 0
[pid   357] mkdir("./file1", 0777)      = 0
[   20.864465][   T23] audit: type=1400 audit(1745210091.150:70): avc:  denied  { mounton } for  pid=357 comm="syz-executor353" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=11587 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   20.867312][  T357] request_module fs-gadgetfs succeeded, but still no fs?
[   20.892138][   T23] audit: type=1400 audit(1745210091.150:71): avc:  denied  { mount } for  pid=357 comm="syz-executor353" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   20.922418][   T23] audit: type=1400 audit(1745210091.150:72): avc:  denied  { mounton } for  pid=357 comm="syz-executor353" 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
[   20.925994][  T357] EXT4-fs: Warning: mounting with data=journal disables delayed allocation and O_DIRECT support!
[   20.948395][   T23] audit: type=1400 audit(1745210091.150:73): avc:  denied  { mounton } for  pid=357 comm="syz-executor353" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=11592 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   20.985671][   T23] audit: type=1400 audit(1745210091.150:74): avc:  denied  { unmount } for  pid=357 comm="syz-executor353" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   20.993427][  T357] EXT4-fs error (device loop0): ext4_mb_generate_buddy:748: group 0, block bitmap and bg descriptor inconsistent: 40 vs 41 free clusters
[pid   357] mount("/dev/loop0", "./file1", "ext4", MS_REC|MS_LAZYTIME, ",errors=continue") = 0
[pid   357] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 5
[pid   357] chdir("./file1")            = 0
[pid   357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6
[pid   357] ioctl(6, LOOP_CLR_FD)       = 0
[pid   357] close(6)                    = 0
[pid   357] mmap(0x200000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED, 4, 0) = 0x200000000000
[pid   357] madvise(0x200000000000, 6291467, MADV_REMOVE) = 0
[pid   357] exit_group(1)               = ?
[   21.006656][   T23] audit: type=1400 audit(1745210091.160:75): avc:  denied  { mounton } for  pid=357 comm="syz-executor353" path="/dev/gadgetfs" dev="devtmpfs" ino=11595 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   21.022101][  T357] EXT4-fs (loop0): 1 truncate cleaned up
[   21.051307][  T357] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
[   21.060755][  T357] ext4 filesystem being mounted at /file1 supports timestamps until (%ptR?) (0x7fffffff)
[   21.081658][  T360] ------------[ cut here ]------------
[   21.086944][  T360] kernel BUG at fs/buffer.c:3027!
[   21.092161][  T360] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   21.098734][  T360] CPU: 0 PID: 360 Comm: kmmpd-loop0 Not tainted 5.4.290-syzkaller #0
[   21.106827][  T360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[   21.117470][  T360] RIP: 0010:submit_bh_wbc+0x897/0x8c0
[   21.123163][  T360] Code: 4d b8 80 e1 07 80 c1 03 38 c1 0f 8c fe fd ff ff 48 8b 7d b8 e8 6a 6d ea ff e9 f0 fd ff ff e8 10 cd b9 ff 0f 0b e8 09 cd b9 ff <0f> 0b e8 02 cd b9 ff 0f 0b e8 fb cc b9 ff 0f 0b e8 f4 cc b9 ff 0f
[   21.143611][  T360] RSP: 0018:ffff8881eeaa7be8 EFLAGS: 00010293
[   21.149929][  T360] RAX: ffffffff81abcdc7 RBX: 0000000000000000 RCX: ffff8881d995af40
[   21.157959][  T360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   21.165890][  T360] RBP: ffff8881eeaa7c88 R08: ffffffff81abc5d3 R09: ffffed103ba5562b
[   21.173792][  T360] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   21.181717][  T360] R13: 0000000000000001 R14: ffff8881dd2ab150 R15: dffffc0000000000
[   21.190214][  T360] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   21.199690][  T360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.206869][  T360] CR2: 00005607709c02b8 CR3: 00000001ef0e9000 CR4: 00000000003406b0
[   21.215271][  T360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.223595][  T360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.232116][  T360] Call Trace:
[   21.235840][  T360]  ? __die+0xbc/0x100
[   21.240103][  T360]  ? die+0x2a/0x50
[   21.244025][  T360]  ? do_trap+0x1a4/0x310
[   21.248174][  T360]  ? do_invalid_op+0x105/0x120
[   21.253207][  T360]  ? submit_bh_wbc+0x897/0x8c0
[   21.258360][  T360]  ? submit_bh_wbc+0x897/0x8c0
[   21.263568][  T360]  ? invalid_op+0x1e/0x30
[   21.268308][  T360]  ? submit_bh_wbc+0xa3/0x8c0
[   21.273148][  T360]  ? submit_bh_wbc+0x897/0x8c0
[   21.277770][  T360]  ? submit_bh_wbc+0x897/0x8c0
[   21.282431][  T360]  ? submit_bh_wbc+0x897/0x8c0
[   21.287384][  T360]  ? try_to_del_timer_sync+0x150/0x150
[   21.293203][  T360]  submit_bh+0x28/0x40
[   21.297274][  T360]  write_mmp_block+0x3ff/0x5b0
[   21.302049][  T360]  ? run_local_timers+0x160/0x160
[   21.307012][  T360]  ? read_mmp_block+0x8a0/0x8a0
[   21.312041][  T360]  ? __kasan_check_read+0x11/0x20
[   21.316883][  T360]  kmmpd+0x7de/0xa10
[   21.320822][  T360]  ? write_mmp_block+0x5b0/0x5b0
[   21.325581][  T360]  ? __kasan_check_read+0x11/0x20
[   21.330596][  T360]  ? __kthread_parkme+0xb9/0x1c0
[   21.335458][  T360]  kthread+0x321/0x3a0
[   21.339381][  T360]  ? write_mmp_block+0x5b0/0x5b0
[   21.344357][  T360]  ? kthread_blkcg+0xd0/0xd0
[   21.349208][  T360]  ret_from_fork+0x1f/0x30
[   21.353524][  T360] Modules linked in:
[   21.357538][  T360] ---[ end trace fd4edd97a1c2d70f ]---
[   21.363422][  T360] RIP: 0010:submit_bh_wbc+0x897/0x8c0
[   21.368868][  T360] Code: 4d b8 80 e1 07 80 c1 03 38 c1 0f 8c fe fd ff ff 48 8b 7d b8 e8 6a 6d ea ff e9 f0 fd ff ff e8 10 cd b9 ff 0f 0b e8 09 cd b9 ff <0f> 0b e8 02 cd b9 ff 0f 0b e8 fb cc b9 ff 0f 0b e8 f4 cc b9 ff 0f
[   21.392172][  T360] RSP: 0018:ffff8881eeaa7be8 EFLAGS: 00010293
[   21.399249][  T360] RAX: ffffffff81abcdc7 RBX: 0000000000000000 RCX: ffff8881d995af40
[   21.407316][  T360] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   21.416356][  T360] RBP: ffff8881eeaa7c88 R08: ffffffff81abc5d3 R09: ffffed103ba5562b
[   21.424212][  T360] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
[   21.432012][  T360] R13: 0000000000000001 R14: ffff8881dd2ab150 R15: dffffc0000000000
[   21.439867][  T360] FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   21.449095][  T360] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.455878][  T360] CR2: 00005607709c02b8 CR3: 00000001ef0e9000 CR4: 00000000003406b0
[   21.464821][  T360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   21.472990][  T360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   21.480927][  T360] Kernel panic - not syncing: Fatal exception
[   21.488162][  T360] Kernel Offset: disabled
[   21.492427][  T360] Rebooting in 86400 seconds..