From: syzbot <syzbot+dfcbc1741488709db4b2@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Forwarded: [PATCH] Testing the patch...
Date: Thu, 24 Sep 2026 05:22:26 -0700 [thread overview]
Message-ID: <6ab51602.80e1c6cc.1e8e5f.0011.GAE@google.com> (raw)
In-Reply-To: <6ab4ae74.80e1c6cc.1e8e5f.000c.GAE@google.com>
For archival purposes, forwarding an incoming command email to
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***
Subject: [PATCH] Testing the patch...
Author: nsvatoslav515@gmail.com
#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
Signed-off-by: Svyatoslav Nikolenko <nsvatoslav515@gmail.com>
---
fs/f2fs/super.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 6a2f09c61dcd..b6b32bcbc126 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -3934,6 +3934,9 @@ static int __f2fs_commit_super(struct f2fs_sb_info *sbi, struct folio *folio,
blk_opf_t opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH | REQ_FUA;
int ret;
+ if (unlikely(sbi->log_blocksize < 9))
+ return -EFSCORRUPTED;
+
folio_lock(folio);
folio_wait_writeback(folio);
if (update)
--
2.47.3
prev parent reply other threads:[~2026-09-24 12:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-24 5:00 [syzbot] [f2fs?] UBSAN: shift-out-of-bounds in __f2fs_commit_super syzbot
2026-09-24 12:22 ` syzbot [this message]
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