------------[ cut here ]------------
WARNING: CPU: 0 PID: 23203 at fs/buffer.c:1188 mark_buffer_dirty+0x2dd/0x500
Modules linked in:
CPU: 0 PID: 23203 Comm: syz-executor.3 Not tainted 6.6.0-rc1-syzkaller-00269-ge789286468a9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:mark_buffer_dirty+0x2dd/0x500 fs/buffer.c:1188
Code: df e8 b7 5c df ff 48 8b 3b be 04 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c2 50 fc ff e8 5d f4 84 ff e9 71 ff ff ff e8 53 f4 84 ff <0f> 0b e9 6d fd ff ff e8 47 f4 84 ff 0f 0b e9 96 fd ff ff e8 3b f4
RSP: 0018:ffffc900166c6b48 EFLAGS: 00010293
RAX: ffffffff820916ad RBX: ffff888023f61201 RCX: ffff888026293b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff82091414 R09: 1ffff11010c19ccb
R10: dffffc0000000000 R11: ffffed1010c19ccc R12: ffff8880860ce658
R13: ffff8880861aae80 R14: ffff8880860ce658 R15: dffffc0000000000
FS:  0000000020000440(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc71fadda8 CR3: 0000000077096000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bfs_move_block fs/bfs/file.c:43 [inline]
 bfs_move_blocks fs/bfs/file.c:56 [inline]
 bfs_get_block+0x856/0xad0 fs/bfs/file.c:125
 __block_write_begin_int+0x555/0x1a40 fs/buffer.c:2107
 __block_write_begin fs/buffer.c:2157 [inline]
 block_write_begin+0x9b/0x1e0 fs/buffer.c:2216
 bfs_write_begin+0x35/0xd0 fs/bfs/file.c:177
 generic_perform_write+0x31b/0x630 mm/filemap.c:3942
 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4063
 __kernel_write_iter+0x32a/0x7c0 fs/read_write.c:517
 __kernel_write+0x120/0x170 fs/read_write.c:537
 __dump_emit+0x236/0x360 fs/coredump.c:813
 writenote+0x221/0x3b0 fs/binfmt_elf.c:1487
 write_note_info fs/binfmt_elf.c:1972 [inline]
 elf_core_dump+0x39b8/0x4540 fs/binfmt_elf.c:2129
 do_coredump+0x1b73/0x2ab0 fs/coredump.c:764
 get_signal+0x145e/0x1840 kernel/signal.c:2878
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x40 kernel/entry/common.c:309
 exc_general_protection+0x3f4/0x5b0 arch/x86/kernel/traps.c:642
 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:564
RIP: 0033:0x7f2bba47caf1
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 <c3> 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f
RSP: 002b:00000000200003f0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f2bba59bf80 RCX: 00007f2bba47cae9
RDX: 0000000020000240 RSI: 00000000200003f0 RDI: 0000000000080000
RBP: 00007f2bba4c847a R08: 0000000020000440 R09: 0000000020000440
R10: 0000000020000400 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2bba59bf80 R15: 00007ffd61f48c48
 </TASK>