------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2419! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4114 Comm: kworker/u4:6 Not tainted 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: writeback wb_workfn (flush-7:4) RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2419 [inline] RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2460 [inline] RIP: 0010:ext4_writepages+0x3cfb/0x3d10 fs/ext4/inode.c:2828 Code: be 00 10 00 00 48 c7 c7 50 8b a8 8c 4c 89 f2 e8 eb 38 0d 02 e9 bb fb ff ff e8 91 68 62 ff 0f 0b e8 7a 5b 16 08 e8 85 68 62 ff <0f> 0b e8 7e 68 62 ff 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 RSP: 0018:ffffc90002556f60 EFLAGS: 00010293 RAX: ffffffff821df1eb RBX: dffffc0000000000 RCX: ffff888020f50000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002557350 R08: ffffffff821dcdbb R09: ffffed100e23c53e R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880711e2a80 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffca4a67f78 CR3: 00000000284bf000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_writepages+0x481/0x730 mm/page-writeback.c:2386 __writeback_single_inode+0x15b/0xe30 fs/fs-writeback.c:1647 writeback_sb_inodes+0xbce/0x1a40 fs/fs-writeback.c:1930 wb_writeback+0x451/0xc50 fs/fs-writeback.c:2104 wb_do_writeback fs/fs-writeback.c:2247 [inline] wb_workfn+0x46c/0x1130 fs/fs-writeback.c:2288 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace fb58f665439f354e ]--- RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2419 [inline] RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2460 [inline] RIP: 0010:ext4_writepages+0x3cfb/0x3d10 fs/ext4/inode.c:2828 Code: be 00 10 00 00 48 c7 c7 50 8b a8 8c 4c 89 f2 e8 eb 38 0d 02 e9 bb fb ff ff e8 91 68 62 ff 0f 0b e8 7a 5b 16 08 e8 85 68 62 ff <0f> 0b e8 7e 68 62 ff 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 RSP: 0018:ffffc90002556f60 EFLAGS: 00010293 RAX: ffffffff821df1eb RBX: dffffc0000000000 RCX: ffff888020f50000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002557350 R08: ffffffff821dcdbb R09: ffffed100e23c53e R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880711e2a80 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc477a4b18 CR3: 0000000067c4b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400