Re: [f2fs-dev] [PATCH] f2fs: fix bio memleak when committing super block

From: patchwork-bot+f2fs
Date: Mon Jun 23 2025 - 20:41:01 EST


Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@xxxxxxxxxx>:

On Sat, 7 Jun 2025 14:41:16 +0800 you wrote:
> From: Sheng Yong <shengyong1@xxxxxxxxxx>
>
> When committing new super block, bio is allocated but not freed, and
> kmemleak complains:
>
> unreferenced object 0xffff88801d185600 (size 192):
> comm "kworker/3:2", pid 128, jiffies 4298624992
> hex dump (first 32 bytes):
> 00 00 00 00 00 00 00 00 80 67 c3 00 81 88 ff ff .........g......
> 01 08 06 00 00 00 00 00 00 00 00 00 01 00 00 00 ................
> backtrace (crc 650ecdb1):
> kmem_cache_alloc_noprof+0x3a9/0x460
> mempool_alloc_noprof+0x12f/0x310
> bio_alloc_bioset+0x1e2/0x7e0
> __f2fs_commit_super+0xe0/0x370
> f2fs_commit_super+0x4ed/0x8c0
> f2fs_record_error_work+0xc7/0x190
> process_one_work+0x7db/0x1970
> worker_thread+0x518/0xea0
> kthread+0x359/0x690
> ret_from_fork+0x34/0x70
> ret_from_fork_asm+0x1a/0x30
>
> [...]

Here is the summary with links:
- [f2fs-dev] f2fs: fix bio memleak when committing super block
https://git.kernel.org/jaegeuk/f2fs/c/554d9b7242a7

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html