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kernel BUG at fs/ext4/inode.c:2462!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 6 Comm: kworker/u4:0 Not tainted 4.4.164+ #123
Workqueue: writeback wb_workfn (flush-8:0)
task: ffff8801da648000 task.stack: ffff8801da650000
RIP: 0010:[<ffffffff81640b90>]  [<ffffffff81640b90>] mpage_prepare_extent_to_map+0x670/0x8e0 fs/ext4/inode.c:2462
RSP: 0018:ffff8801da657330  EFLAGS: 00010293
RAX: ffff8801da648000 RBX: ffffea0006fcb3c0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81640b90 RDI: ffffea0006fcb3d0
RBP: ffff8801da6574e8 R08: ffff8801da6488c8 R09: 0000000000022540
R10: ffffffffffffffe8 R11: 0000000000000000 R12: 000000000000000c
R13: 00000000000000d8 R14: dffffc0000000000 R15: ffff8801da657630
FS:  0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3052d000 CR3: 00000001d9ec5000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 1ffff1003b4cae74 ffff8801da6573c0 ffff8801da657638 ffff8801da657640
 00000000da657578 0007ffffffffffff ffff8801d644b3a8 0000000e0000000c
 0000000000000b30 ffff8801da657400 ffff8801da657648 ffffed003b4caec7
Call Trace:
 [<ffffffff8164fdec>] ext4_writepages+0xd4c/0x2c20 fs/ext4/inode.c:2617
 [<ffffffff813d812f>] do_writepages+0xef/0x1d0 mm/page-writeback.c:2334
 [<ffffffff81520be1>] __writeback_single_inode+0x101/0x1340 fs/fs-writeback.c:1285
 [<ffffffff815222cb>] writeback_sb_inodes+0x4ab/0xee0 fs/fs-writeback.c:1548
 [<ffffffff81522dfb>] __writeback_inodes_wb+0xfb/0x1e0 fs/fs-writeback.c:1617
 [<ffffffff81523409>] wb_writeback+0x529/0xd00 fs/fs-writeback.c:1726
 [<ffffffff81525963>] wb_do_writeback fs/fs-writeback.c:1858 [inline]
 [<ffffffff81525963>] wb_workfn+0x243/0x1010 fs/fs-writeback.c:1894
 [<ffffffff811233a4>] process_one_work+0x824/0x1730 kernel/workqueue.c:2064
 [<ffffffff81124389>] worker_thread+0xd9/0x1060 kernel/workqueue.c:2196
 [<ffffffff81134928>] kthread+0x268/0x300 kernel/kthread.c:211
 [<ffffffff82714245>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510
Code: 48 89 df e8 83 44 d7 ff e9 32 ff ff ff e8 89 67 cc ff 48 89 df e8 11 5e d7 ff e9 fa fd ff ff e8 77 67 cc ff 0f 0b e8 70 67 cc ff <0f> 0b 31 c0 89 85 b0 fe ff ff e8 61 67 cc ff 8b 85 18 ff ff ff 
RIP  [<ffffffff81640b90>] mpage_prepare_extent_to_map+0x670/0x8e0 fs/ext4/inode.c:2462
 RSP <ffff8801da657330>
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=281 sclass=netlink_xfrm_socket
syz-executor3 (25699) used greatest stack depth: 23152 bytes left
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=281 sclass=netlink_xfrm_socket
---[ end trace 91248d1c1460603c ]---