loop3: detected capacity change from 0 to 64
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4621 at fs/buffer.c:1084 mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084
Modules linked in:
CPU: 1 PID: 4621 Comm: syz.3.97 Not tainted 5.15.178-syzkaller #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+0x2e8/0x574 fs/buffer.c:1084
lr : mark_buffer_dirty+0x2e8/0x574 fs/buffer.c:1084
sp : ffff800020a27500
x29: ffff800020a27500 x28: ffff0000ea551200 x27: ffff0000eb56e800
x26: ffff0000cfda8530 x25: ffff0000d536e018 x24: ffff0000cfc2a658
x23: ffff0000c0563488 x22: ffff0000d536e160 x21: ffff0000cfda8540
x20: 0000000000000010 x19: ffff0000cfc2a658 x18: 0000000000000000
x17: 0000000000000002 x16: ffff8000082ec940 x15: 0000000000000000
x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000080000
x11: 0000000000008502 x10: ffff80002133b000 x9 : 0000000000008503
x8 : ffff800008a76210 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000eb56ea00 x4 : ffff0000ea551400 x3 : ffff800008a75f54
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
 call_write_iter include/linux/fs.h:2174 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x884/0xb44 fs/read_write.c:594
 ksys_write+0x15c/0x26c fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:656
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 2222
hardirqs last  enabled at (2221): [<ffff800008a756d0>] bh_lru_install fs/buffer.c:1261 [inline]
hardirqs last  enabled at (2221): [<ffff800008a756d0>] __find_get_block+0xb68/0xdd4 fs/buffer.c:1312
hardirqs last disabled at (2222): [<ffff800011b49ab0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (2128): [<ffff8000080309b8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (2126): [<ffff800008030984>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace 83a744c77e78262a ]---