From: Edward Adam Davis <eadavis@qq.com>
To: syzbot+7ea0b96c4ddb49fd1a70@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [ocfs2?] KMSAN: uninit-value in _find_next_bit
Date: Sun, 23 Mar 2025 18:17:07 +0800 [thread overview]
Message-ID: <tencent_2E6078366F502DC96E3897D0EBBAED7ACE0A@qq.com> (raw)
In-Reply-To: <67ddd191.050a0220.25ae54.006a.GAE@google.com>
#syz test
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 2956d888c131..a6e8376045b5 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -307,6 +307,12 @@ static int ocfs2_add_recovery_chunk(struct super_block *sb,
kfree(rc);
return -ENOMEM;
}
+ printk("ents: %u, sb: %p, chunk: %d, blksize: %lu, rcb: %p, inited size: %d, %s\n",
+ ol_chunk_entries(sb), sb, chunk, sb->s_blocksize, rc->rc_bitmap,
+ (ol_chunk_entries(sb) + 7) >> 3, __func__);
+ int bit;
+ for_each_set_bit(bit, (void*)dchunk->dqc_bitmap, ol_chunk_entries(sb));
+ printk("dqc_bitmap inited all chunk entires. %s\n", __func__);
memcpy(rc->rc_bitmap, dchunk->dqc_bitmap,
(ol_chunk_entries(sb) + 7) >> 3);
list_add_tail(&rc->rc_list, head);
next prev parent reply other threads:[~2025-03-23 10:31 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-21 20:52 syzbot
2025-03-22 1:40 ` Edward Adam Davis
2025-03-22 6:02 ` syzbot
2025-03-22 8:41 ` Edward Adam Davis
2025-03-22 9:05 ` syzbot
2025-03-23 2:36 ` Edward Adam Davis
2025-03-23 9:52 ` syzbot
2025-03-23 10:17 ` Edward Adam Davis [this message]
2025-03-23 10:43 ` syzbot
2025-03-24 1:01 ` [syzbot] " syzbot
2025-03-24 1:39 ` syzbot
2025-03-26 1:09 ` [PATCH] " I Hsin Cheng
2025-03-26 1:23 ` I Hsin Cheng
2025-03-26 1:59 ` syzbot
2025-03-26 2:19 ` I Hsin Cheng
2025-03-26 2:43 ` syzbot
2025-03-26 3:04 ` I Hsin Cheng
2025-03-26 3:58 ` syzbot
2025-03-26 3:20 ` [syzbot] " syzbot
2026-04-17 10:12 ` Forwarded: [PATCH] ocfs2: zero-initialize quota recovery bitmap allocation syzbot
2026-04-17 16:21 ` Forwarded: Re: [syzbot] KMSAN: uninit-value in ocfs2_recover_local_quota_file syzbot
[not found] <20250324010140.2046646-1-lizhi.xu@windriver.com>
2025-03-24 1:21 ` [syzbot] [ocfs2?] KMSAN: uninit-value in _find_next_bit syzbot
[not found] <20250324013855.2122966-1-lizhi.xu@windriver.com>
2025-03-24 2:23 ` syzbot
[not found] <20250326032012.83642-1-richard120310@gmail.com>
2025-03-26 4:15 ` syzbot
[not found] <20260417101223.2490735-1-tristmd@gmail.com>
2026-04-17 12:37 ` syzbot
[not found] <177644287136.3789634.17252147648817406714@talencesecurity.com>
2026-04-17 19:43 ` syzbot
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