Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable ------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2462! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 2158 Comm: kworker/u4:4 Not tainted 4.4.169+ #1 Workqueue: writeback wb_workfn (flush-8:0) task: ffff8800b92b4740 task.stack: ffff8801cfbc8000 RIP: 0010:[] [] mpage_prepare_extent_to_map+0x6cf/0x8e0 fs/ext4/inode.c:2462 RSP: 0018:ffff8801cfbcf280 EFLAGS: 00010293 RAX: ffff8800b92b4740 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8164731f RDI: ffffea000297f1d0 RBP: ffff8801cfbcf418 R08: 0000000000000003 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffffea000297f1c0 R13: 0000000000000001 R14: dffffc0000000000 R15: ffff8801cfbcf580 FS: 0000000000000000(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f57a0db0 CR3: 00000001d5e0e000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 1ffff10039f79e5e ffff8801cfbcf310 ffff8801cfbcf588 ffff8801cfbcf590 0000000000000000 0007ffffffffffff ffff8800bb736b70 000000010000000c 0000000000001c00 ffff8801cfbcf330 ffff8801cfbcf598 ffffed0039f79eb1 Call Trace: [] ext4_writepages+0xd59/0x2c40 fs/ext4/inode.c:2617 [] do_writepages+0xfc/0x1e0 mm/page-writeback.c:2334 [] __writeback_single_inode+0xfc/0x1380 fs/fs-writeback.c:1285 [] writeback_sb_inodes+0x50f/0xf60 fs/fs-writeback.c:1548 [] __writeback_inodes_wb+0xc3/0x210 fs/fs-writeback.c:1617 [] wb_writeback+0x550/0xcf0 fs/fs-writeback.c:1726 [] wb_do_writeback fs/fs-writeback.c:1858 [inline] [] wb_workfn+0x202/0x1020 fs/fs-writeback.c:1894 [] process_one_work+0x825/0x1720 kernel/workqueue.c:2064 [] worker_thread+0x4e4/0xf50 kernel/workqueue.c:2196 [] kthread+0x273/0x310 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 Code: ff e8 46 f1 0b 01 48 8b 85 90 fe ff ff 48 39 85 f8 fe ff ff 0f 86 2e fc ff ff 45 31 e4 eb 20 e8 e8 20 cc ff 0f 0b e8 e1 20 cc ff <0f> 0b 45 31 e4 e8 d7 20 cc ff 8b 85 18 ff ff ff 85 c0 75 4c e8 RIP [] mpage_prepare_extent_to_map+0x6cf/0x8e0 fs/ext4/inode.c:2462 RSP ---[ end trace 70566dea35a29c70 ]---