------------[ cut here ]------------ WARNING: CPU: 0 PID: 12140 at fs/buffer.c:1194 mark_buffer_dirty+0x376/0x3e0 fs/buffer.c:1194 Modules linked in: CPU: 0 PID: 12140 Comm: syz-executor.2 Not tainted 6.5.0-syzkaller-04592-gd68b4b6f307d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:mark_buffer_dirty+0x376/0x3e0 fs/buffer.c:1194 Code: e9 9f e9 89 ff e8 9a e9 89 ff 48 89 ef e8 f2 79 e7 ff 5b 5d e9 8b e9 89 ff e8 86 e9 89 ff 0f 0b e9 10 fe ff ff e8 7a e9 89 ff <0f> 0b e9 b7 fc ff ff e8 6e e9 89 ff 0f 0b e9 d6 fc ff ff 48 89 df RSP: 0018:ffffc90015e6ef20 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880828a8ae0 RCX: 0000000000000000 RDX: ffff88803b503b80 RSI: ffffffff81fda436 RDI: 0000000000000001 RBP: ffff888076197900 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000009 R13: ffff88802b5b0000 R14: dffffc0000000000 R15: ffffed10056b602c FS: 00007ff8c97b16c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc14d4ed98 CR3: 0000000023666000 CR4: 0000000000350ef0 Call Trace: bfs_move_block fs/bfs/file.c:43 [inline] bfs_move_blocks fs/bfs/file.c:56 [inline] bfs_get_block+0x37f/0xdd0 fs/bfs/file.c:125 __block_write_begin_int+0x3c0/0x1470 fs/buffer.c:2113 __block_write_begin fs/buffer.c:2163 [inline] block_write_begin+0xb1/0x490 fs/buffer.c:2222 bfs_write_begin+0x31/0xd0 fs/bfs/file.c:177 generic_perform_write+0x278/0x600 mm/filemap.c:3945 __generic_file_write_iter+0x1f9/0x240 mm/filemap.c:4040 generic_file_write_iter+0xe3/0x350 mm/filemap.c:4066 __kernel_write_iter+0x261/0x7e0 fs/read_write.c:517 __kernel_write+0xf6/0x140 fs/read_write.c:537 __dump_emit fs/coredump.c:813 [inline] dump_emit+0x21d/0x330 fs/coredump.c:850 writenote+0x215/0x2b0 fs/binfmt_elf.c:1487 write_note_info fs/binfmt_elf.c:1972 [inline] elf_core_dump+0x2845/0x38e0 fs/binfmt_elf.c:2129 do_coredump+0x2c96/0x3fc0 fs/coredump.c:764 get_signal+0x244b/0x27b0 kernel/signal.c:2878 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:308 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564 RIP: 0033:0x7ff8c8a7caf1 Code: c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 48 3d 01 f0 ff ff 73 01 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f RSP: 002b:00000000200002c0 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007ff8c8b9bf80 RCX: 00007ff8c8a7cae9 RDX: 0000000020000040 RSI: 00000000200002c0 RDI: 0000000000100000 RBP: 00007ff8c8ac847a R08: 0000000020000300 R09: 0000000020000300 R10: 0000000020000100 R11: 0000000000000206 R12: 0000000000000000 R13: 000000000000000b R14: 00007ff8c8b9bf80 R15: 00007ffc14d50328