------------[ cut here ]------------
WARNING: CPU: 1 PID: 5507 at fs/buffer.c:1081 mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081
Modules linked in:
CPU: 1 PID: 5507 Comm: syz.4.328 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081
lr : mark_buffer_dirty+0x330/0x624 fs/buffer.c:1081
sp : ffff800021d67550
x29: ffff800021d67550 x28: ffff0000f6e7d800 x27: 0000000000000200
x26: ffff0000e08bc530 x25: ffff0000c4a26018 x24: ffff0000e08ef658
x23: ffff0000e09f0488 x22: 000000000000000a x21: ffff0000e08ef1d0
x20: 0000000000000010 x19: ffff0000e08ef658 x18: ffff800021d671e0
x17: ffff800018c58000 x16: ffff800012275a00 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000080000
x11: 0000000000008db8 x10: ffff8000239b9000 x9 : ffff800008b375a0
x8 : 0000000000008db9 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000f6e7da00 x4 : ffff0000e2ca4400 x3 : ffff800008b372a0
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x330/0x624 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+0x4b4/0x9c0 fs/bfs/file.c:125
 __block_write_begin_int+0x340/0x13b4 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+0x278/0x55c mm/filemap.c:3845
 __generic_file_write_iter+0x168/0x388 mm/filemap.c:3973
 generic_file_write_iter+0xb8/0x2b4 mm/filemap.c:4005
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x610/0x91c fs/read_write.c:584
 ksys_write+0x15c/0x26c fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __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+0x58/0x168 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: 4050
hardirqs last  enabled at (4049): [<ffff800008b36c68>] bh_lru_install fs/buffer.c:1258 [inline]
hardirqs last  enabled at (4049): [<ffff800008b36c68>] __find_get_block+0xcd0/0xeec fs/buffer.c:1309
hardirqs last disabled at (4050): [<ffff800012323b9c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (3866): [<ffff800008030168>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (3864): [<ffff800008030134>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---