netlink: 20 bytes leftover after parsing attributes in process `syz.0.75'.
netlink: 20 bytes leftover after parsing attributes in process `syz.0.75'.
process 'syz.0.75' launched '&' with NULL argv: empty string added
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4781 at fs/buffer.c:1081 mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081
Modules linked in:
CPU: 1 PID: 4781 Comm: syz.0.75 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081
lr : mark_buffer_dirty+0x328/0x5c0 fs/buffer.c:1081
sp : ffff8000214c7620
x29: ffff8000214c7620 x28: ffff0000cceee018 x27: 1fffe000199ddc2c
x26: ffff0000f9930800 x25: ffff0000f5d60a58 x24: ffff0000f5fa4ae0
x23: ffff0000cceee160 x22: ffff0000f5fa4658 x21: dfff800000000000
x20: 0000000000000010 x19: ffff0000f5fa4ae0 x18: ffff800011b8bf60
x17: 1fffe00033eac97e x16: ffff8000082d91a4 x15: 0000000000000000
x14: 0000000000000001 x13: 1fffe0001ebf495c x12: 0000000000080000
x11: 000000000000848e x10: ffff8000224fb000 x9 : ffff800008a8d830
x8 : 000000000000848f x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff0000f9930a00 x4 : ffff0000f992e400 x3 : ffff800008a8d538
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 mark_buffer_dirty+0x328/0x5c0 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+0x478/0x960 fs/bfs/file.c:125
 __block_write_begin_int+0x350/0x1388 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+0x234/0x4f4 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 generic_file_write_iter+0xb4/0x2b0 mm/filemap.c:3989
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3ec/0x7f0 fs/read_write.c:584
 ksys_pwrite64 fs/read_write.c:699 [inline]
 __do_sys_pwrite64 fs/read_write.c:709 [inline]
 __se_sys_pwrite64 fs/read_write.c:706 [inline]
 __arm64_sys_pwrite64+0x174/0x20c fs/read_write.c:706
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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: 20486
hardirqs last  enabled at (20485): [<ffff800008a8cf20>] bh_lru_install fs/buffer.c:1258 [inline]
hardirqs last  enabled at (20485): [<ffff800008a8cf20>] __find_get_block+0xbd0/0xddc fs/buffer.c:1309
hardirqs last disabled at (20486): [<ffff800011a288ec>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (20348): [<ffff800008030954>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (20346): [<ffff800008030920>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---