Hi Hong, On 9/29/25 19:43, HONG, Yun wrote: > Hi, > > I would like to kindly report a crash I encountered, identified as "WARNING > in f2fs_init_xattr_caches". This issue can be reproduced with a Syzlang > reproducer on the mainline version downloaded from https://www.kernel.org/ > For your convenience, I have included a sample crash report, the > configuration file, and a reproduction program as attachments.
Thank you for the report! I tried attached repro.syz & config.txt, however, I can not reproduce the bug. If you can reproduce this bug, could you please help to reproduce w/ debug patch as below? and dump full log once it reproduces. From: Chao Yu <[email protected]> Subject: [PATCH] f2fs: add debug log --- fs/f2fs/xattr.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 58632a2b6613..81f591a45b41 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -845,10 +845,18 @@ int f2fs_init_xattr_caches(struct f2fs_sb_info *sbi) if (!sbi->inline_xattr_slab) return -ENOMEM; + printk("%s: slab_name: %s, %u:%u, %p\n", __func__, slab_name, + MAJOR(dev), MINOR(dev), sbi->inline_xattr_slab); + return 0; } void f2fs_destroy_xattr_caches(struct f2fs_sb_info *sbi) { + dev_t dev = sbi->sb->s_bdev->bd_dev; + + printk("%s: %u:%u %p\n", __func__, MAJOR(dev), MINOR(dev), + sbi->inline_xattr_slab); + kmem_cache_destroy(sbi->inline_xattr_slab); } -- 2.49.0 Thanks, _______________________________________________ Linux-f2fs-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
