SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=16796 comm=syz-executor.1 EXT4-fs (loop2): Unsupported filesystem blocksize 0 (1923657432 log_block_size) SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=16796 comm=syz-executor.1 bdi-block not registered ------------[ cut here ]------------ WARNING: CPU: 0 PID: 16825 at fs/fs-writeback.c:2207 __mark_inode_dirty.cold+0x2f/0x42 fs/fs-writeback.c:2207 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=16796 comm=syz-executor.1 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 16825 Comm: syz-executor.4 Not tainted 4.14.154+ #0 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xe5/0x154 lib/dump_stack.c:58 panic+0x1f1/0x3da kernel/panic.c:183 __warn.cold+0x2f/0x33 kernel/panic.c:547 report_bug+0x20a/0x248 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x1bf/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x18/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:__mark_inode_dirty.cold+0x2f/0x42 fs/fs-writeback.c:2207 RSP: 0018:ffff8881c4027948 EFLAGS: 00010286 RAX: 0000000000000018 RBX: ffff8881d9ab8d18 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffc900001f7000 RDI: ffffed1038804f1b RBP: ffff88819dcc8880 R08: 0000000000000018 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88819dcc88d8 R13: ffff8881d9ab8df0 R14: ffff88819dcc8930 R15: ffff88819dcc8880 mark_buffer_dirty+0x258/0x490 fs/buffer.c:1177 __block_commit_write.isra.0+0x138/0x210 fs/buffer.c:2100 block_write_end+0x42/0xf0 fs/buffer.c:2178 blkdev_write_end+0x3c/0x130 fs/block_dev.c:620 generic_perform_write+0x281/0x460 mm/filemap.c:3144 __generic_file_write_iter+0x32e/0x550 mm/filemap.c:3258 blkdev_write_iter fs/block_dev.c:1914 [inline] blkdev_write_iter+0x1fb/0x3d0 fs/block_dev.c:1891 call_write_iter include/linux/fs.h:1798 [inline] new_sync_write fs/read_write.c:471 [inline] __vfs_write+0x401/0x5a0 fs/read_write.c:484 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:594 [inline] SyS_write+0x102/0x250 fs/read_write.c:586 do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a639 RSP: 002b:00007f5ea5764c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639 RDX: 0000000000001006 RSI: 0000000020001cc0 RDI: 0000000000000007 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ea57656d4 R13: 00000000004cae75 R14: 00000000004e32d8 R15: 00000000ffffffff Kernel Offset: 0x2a400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Rebooting in 86400 seconds..