------------[ cut here ]------------
WARNING: CPU: 1 PID: 6445 at fs/buffer.c:1173 mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173
Modules linked in:
CPU: 1 UID: 0 PID: 6445 Comm: syz-executor427 Not tainted 6.14.0-rc3-syzkaller-ge6747d19291c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173
lr : mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173
sp : ffff8000a40e6510
x29: ffff8000a40e6510 x28: ffff000155952000 x27: 0000000000000200
x26: ffff0000dd190a48 x25: ffff0000dd30be80 x24: ffff0000c567a000
x23: ffff0000dd289ae0 x22: 000000000000001b x21: dfff800000000000
x20: 0000000000000010 x19: ffff0000dd289ae0 x18: 0000000000000010
x17: 0000000000000000 x16: ffff80008b7275dc x15: 0000000000000001
x14: 1fffe0001ba5135c x13: 0000000000000000 x12: 0000000000000000
x11: ffff60001ba5135d x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c470db80 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff000155952200 x4 : ffff0000c63bc600 x3 : ffff800080e05af0
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x284/0x4d8 fs/buffer.c:1173 (P)
 bfs_move_block fs/bfs/file.c:44 [inline]
 bfs_move_blocks fs/bfs/file.c:57 [inline]
 bfs_get_block+0x514/0xa50 fs/bfs/file.c:126
 __block_write_begin_int+0x4c4/0x1610 fs/buffer.c:2116
 block_write_begin+0xa0/0x11c fs/buffer.c:2226
 bfs_write_begin+0x48/0xec fs/bfs/file.c:179
 generic_perform_write+0x29c/0x868 mm/filemap.c:4189
 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4290
 generic_file_write_iter+0x108/0x4b0 mm/filemap.c:4316
 __kernel_write_iter+0x340/0x7a0 fs/read_write.c:612
 __kernel_write+0x11c/0x174 fs/read_write.c:632
 __dump_emit fs/coredump.c:807 [inline]
 dump_emit+0x248/0x358 fs/coredump.c:844
 writenote+0x1b8/0x334 fs/binfmt_elf.c:1471
 write_note_info fs/binfmt_elf.c:1956 [inline]
 elf_core_dump+0x2ea8/0x3c38 fs/binfmt_elf.c:2116
 do_coredump+0x1d28/0x29a0 fs/coredump.c:758
 get_signal+0xf6c/0x1500 kernel/signal.c:3021
 do_signal+0x1a4/0x3a04 arch/arm64/kernel/signal.c:1658
 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 asm_exit_to_user_mode+0x78/0x8c arch/arm64/kernel/entry-common.c:185
 ret_from_fork+0x1c/0x20 arch/arm64/kernel/entry.S:865
irq event stamp: 536
hardirqs last  enabled at (535): [<ffff800080e052b4>] bh_lru_install fs/buffer.c:1345 [inline]
hardirqs last  enabled at (535): [<ffff800080e052b4>] __find_get_block+0x964/0xd84 fs/buffer.c:1400
hardirqs last disabled at (536): [<ffff80008b7c2e94>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (308): [<ffff8000801283e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (306): [<ffff8000801283ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---