------------[ cut here ]------------
WARNING: CPU: 0 PID: 3974 at fs/buffer.c:1084 mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084
Modules linked in:
CPU: 0 PID: 3974 Comm: syz-executor898 Not tainted 5.15.162-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084
lr : mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084
sp : ffff80001c7068e0
x29: ffff80001c7068e0 x28: ffff0000d0463000 x27: ffff0001894b1200
x26: ffff0000ded80a58 x25: ffff0000da582018 x24: ffff0000decd19f8
x23: ffff0000decd13a0 x22: ffff0000da582160 x21: ffff0000ded80a68
x20: 0000000000000010 x19: ffff0000decd19f8 x18: 0000000000000000
x17: 0000000000000000 x16: ffff8000082ebc4c x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000da66d1c0
x8 : ffff800008a6f62c x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0001894b1400 x4 : ffff0000d0463200 x3 : ffff800008a6f370
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084
 bfs_move_block fs/bfs/file.c:43 [inline]
 bfs_move_blocks fs/bfs/file.c:56 [inline]
 bfs_get_block+0x6fc/0xa34 fs/bfs/file.c:125
 __block_write_begin_int+0x3ec/0x1608 fs/buffer.c:2012
 __block_write_begin fs/buffer.c:2062 [inline]
 block_write_begin+0x60/0xdc fs/buffer.c:2122
 bfs_write_begin+0x50/0xf4 fs/bfs/file.c:177
 generic_perform_write+0x24c/0x520 mm/filemap.c:3785
 __generic_file_write_iter+0x230/0x454 mm/filemap.c:3912
 generic_file_write_iter+0xb4/0x1b8 mm/filemap.c:3944
 __kernel_write+0x488/0x8b0 fs/read_write.c:539
 __dump_emit+0x200/0x338 fs/coredump.c:875
 dump_emit+0x288/0x36c fs/coredump.c:912
 writenote+0x1b8/0x330 fs/binfmt_elf.c:1465
 write_note_info fs/binfmt_elf.c:1929 [inline]
 elf_core_dump+0x2b5c/0x3640 fs/binfmt_elf.c:2272
 do_coredump+0x12c8/0x2890 fs/coredump.c:826
 get_signal+0x3dc/0x1550 kernel/signal.c:2875
 do_signal arch/arm64/kernel/signal.c:890 [inline]
 do_notify_resume+0x3d0/0x32b8 arch/arm64/kernel/signal.c:943
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline]
 asm_exit_to_user_mode+0x9c/0xf0 arch/arm64/kernel/entry-common.c:145
 ret_from_fork+0x1c/0x20 arch/arm64/kernel/entry.S:873
irq event stamp: 858
hardirqs last  enabled at (857): [<ffff800008a6eaec>] bh_lru_install fs/buffer.c:1261 [inline]
hardirqs last  enabled at (857): [<ffff800008a6eaec>] __find_get_block+0xb68/0xdd4 fs/buffer.c:1312
hardirqs last disabled at (858): [<ffff8000119a1bd4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (702): [<ffff8000081b6520>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (702): [<ffff8000081b6520>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (689): [<ffff8000081b6bb8>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (689): [<ffff8000081b6bb8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (689): [<ffff8000081b6bb8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (689): [<ffff8000081b6bb8>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace f4af54d83a730b7c ]---