------------[ cut here ]------------ kernel BUG at mm/filemap.c:1619! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10943 Comm: kworker/u4:12 Not tainted 6.3.0-rc1-syzkaller-00274-g134231664868 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: writeback wb_workfn (flush-7:5) RIP: 0010:folio_end_writeback+0x43a/0x700 mm/filemap.c:1619 Code: 84 db 00 00 00 e8 06 26 d1 ff e9 48 fc ff ff e8 fc 25 d1 ff 4c 89 ff 48 c7 c6 a0 c2 f2 8a e8 ad cc 0f 00 0f 0b e8 e6 25 d1 ff <0f> 0b e8 df 25 d1 ff 4c 89 ff 48 c7 c6 60 c5 f2 8a e8 90 cc 0f 00 RSP: 0018:ffffc900164a6b98 EFLAGS: 00010293 RAX: ffffffff81ba219a RBX: 0000000000000081 RCX: ffff88802f5a8000 RDX: 0000000000000000 RSI: ffffffff8aea9c20 RDI: ffffffff8b387660 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ca805e R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001286734 R13: 1ffffd4000250ce6 R14: ffffea0001286708 R15: ffffea0001286700 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556fb0848 CR3: 000000002e1f4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: f2fs_write_end_io+0x639/0xbb0 fs/f2fs/data.c:377 f2fs_submit_merged_ipu_write+0x480/0x500 fs/f2fs/data.c:919 f2fs_write_single_data_page+0x16c5/0x2050 fs/f2fs/data.c:2901 f2fs_write_cache_pages fs/f2fs/data.c:3144 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3295 [inline] f2fs_write_data_pages+0x1fac/0x35e0 fs/f2fs/data.c:3322 do_writepages+0x3a6/0x670 mm/page-writeback.c:2551 __writeback_single_inode+0x1b2/0x1370 fs/fs-writeback.c:1600 writeback_sb_inodes+0x913/0x12d0 fs/fs-writeback.c:1891 wb_writeback+0x4bf/0xed0 fs/fs-writeback.c:2065 wb_do_writeback fs/fs-writeback.c:2208 [inline] wb_workfn+0x465/0x1080 fs/fs-writeback.c:2248 process_one_work+0x90c/0x1280 kernel/workqueue.c:2390 worker_thread+0xa63/0x1210 kernel/workqueue.c:2537 kthread+0x270/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_end_writeback+0x43a/0x700 mm/filemap.c:1619 Code: 84 db 00 00 00 e8 06 26 d1 ff e9 48 fc ff ff e8 fc 25 d1 ff 4c 89 ff 48 c7 c6 a0 c2 f2 8a e8 ad cc 0f 00 0f 0b e8 e6 25 d1 ff <0f> 0b e8 df 25 d1 ff 4c 89 ff 48 c7 c6 60 c5 f2 8a e8 90 cc 0f 00 RSP: 0018:ffffc900164a6b98 EFLAGS: 00010293 RAX: ffffffff81ba219a RBX: 0000000000000081 RCX: ffff88802f5a8000 RDX: 0000000000000000 RSI: ffffffff8aea9c20 RDI: ffffffff8b387660 RBP: 0000000000000000 R08: dffffc0000000000 R09: fffffbfff1ca805e R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0001286734 R13: 1ffffd4000250ce6 R14: ffffea0001286708 R15: ffffea0001286700 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff6d8842000 CR3: 000000002de42000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400