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kernel BUG at fs/ext4/inode.c:2169!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 119 Comm: jbd2/sda1-8 Tainted: G        W         5.4.147-syzkaller-00040-g2138e7367558 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_writepage+0x15b6/0x1700 fs/ext4/inode.c:2169
Code: f6 48 0f a3 1d 8b 0d 6b 04 0f 92 c3 40 0f 92 c6 31 ff e8 3d 99 a4 ff 84 db 75 11 e8 b4 96 a4 ff e9 fb 00 00 00 e8 aa 96 a4 ff <0f> 0b 65 83 05 cc b4 45 7e 01 48 c7 c0 78 be 25 86 48 c1 e8 03 48
RSP: 0000:ffff8881ee1177b8 EFLAGS: 00010293
RAX: ffffffff81bc38b6 RBX: 8000000000300013 RCX: ffff8881ee0a5e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81bc2532 R09: fffff94000d53c31
R10: fffff94000d53c31 R11: 0000000000000000 R12: 0000000000001000
R13: ffff8881ee117ad8 R14: ffffea0006a9e180 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdcc036d000 CR3: 00000001e3f8e000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __writepage+0x5d/0x110 mm/page-writeback.c:2303
 write_cache_pages+0x7a4/0xd30 mm/page-writeback.c:2238
 generic_writepages+0x9b/0xe0 mm/page-writeback.c:2329
 journal_submit_inode_data_buffers fs/jbd2/commit.c:201 [inline]
 journal_submit_data_buffers+0x2d8/0x550 fs/jbd2/commit.c:237
 jbd2_journal_commit_transaction+0xd55/0x5eb0 fs/jbd2/commit.c:541
 kjournald2+0x3f4/0x7e0 fs/jbd2/journal.c:209
 kthread+0x30f/0x330 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 3bc8426e0b90ec95 ]---
RIP: 0010:ext4_writepage+0x15b6/0x1700 fs/ext4/inode.c:2169
Code: f6 48 0f a3 1d 8b 0d 6b 04 0f 92 c3 40 0f 92 c6 31 ff e8 3d 99 a4 ff 84 db 75 11 e8 b4 96 a4 ff e9 fb 00 00 00 e8 aa 96 a4 ff <0f> 0b 65 83 05 cc b4 45 7e 01 48 c7 c0 78 be 25 86 48 c1 e8 03 48
RSP: 0000:ffff8881ee1177b8 EFLAGS: 00010293
RAX: ffffffff81bc38b6 RBX: 8000000000300013 RCX: ffff8881ee0a5e80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81bc2532 R09: fffff94000d53c31
R10: fffff94000d53c31 R11: 0000000000000000 R12: 0000000000001000
R13: ffff8881ee117ad8 R14: ffffea0006a9e180 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31620000 CR3: 00000001ee1c0000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400