------------[ cut here ]------------
WARNING: CPU: 1 PID: 4467 at fs/buffer.c:1081 mark_buffer_dirty+0x328/0x5cc fs/buffer.c:1081
Modules linked in:
CPU: 1 PID: 4467 Comm: syz.1.11 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x328/0x5cc fs/buffer.c:1081
lr : mark_buffer_dirty+0x328/0x5cc fs/buffer.c:1081
sp : ffff800020507480
x29: ffff800020507480 x28: ffff0000fcf9a018 x27: 1fffe0001f9f342c
x26: ffff0000fc9c8000 x25: ffff0000f59e8f80 x24: ffff0000e03619f8
x23: ffff0000fcf9a160 x22: ffff0000c66b1ae0 x21: dfff800000000000
x20: 0000000000000010 x19: ffff0000e03619f8 x18: ffff800011abbcc0
x17: ffff8000181f8000 x16: ffff8000082d22e0 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000080000
x11: 000000000000ae71 x10: ffff8000223bb000 x9 : ffff800008a7c914
x8 : 000000000000ae72 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000fc9c8200 x4 : ffff0000fd007e00 x3 : ffff800008a7c61c
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x328/0x5cc fs/buffer.c:1081
 bfs_move_block fs/bfs/file.c:43 [inline]
 bfs_move_blocks fs/bfs/file.c:56 [inline]
 bfs_get_block+0x478/0x970 fs/bfs/file.c:125
 __block_write_begin_int+0x34c/0x13b8 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 bfs_write_begin+0x48/0xec fs/bfs/file.c:177
 generic_perform_write+0x230/0x4b0 mm/filemap.c:3846
 __generic_file_write_iter+0x168/0x37c mm/filemap.c:3974
 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:4006
 do_iter_readv_writev fs/read_write.c:-1 [inline]
 do_iter_write+0x530/0x91c fs/read_write.c:861
 vfs_writev fs/read_write.c:934 [inline]
 do_pwritev+0x1c8/0x2fc fs/read_write.c:1031
 __do_sys_pwritev2 fs/read_write.c:1090 [inline]
 __se_sys_pwritev2 fs/read_write.c:1081 [inline]
 __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1081
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 406
hardirqs last  enabled at (405): [<ffff800008a7bfe8>] bh_lru_install fs/buffer.c:1258 [inline]
hardirqs last  enabled at (405): [<ffff800008a7bfe8>] __find_get_block+0xbe0/0xdfc fs/buffer.c:1309
hardirqs last disabled at (406): [<ffff80001195a4d8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (160): [<ffff80000803092c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (158): [<ffff8000080308f8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---