From: syzbot <syzbot+1d096d31de6a0491b55e@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Forwarded: [syzbot] [jfs?] [fat?] general protection fault in txEnd
Date: Fri, 27 Mar 2026 18:19:23 -0700 [thread overview]
Message-ID: <69c72c9b.a70a0220.128fd0.000e.GAE@google.com> (raw)
In-Reply-To: <00000000000094982205f0874589@google.com>
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Subject: [syzbot] [jfs?] [fat?] general protection fault in txEnd
Author: rafad900@gmail.com
#syz test
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 60c4a0e0fca5..25b303276b82 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -97,6 +97,10 @@ static int jfs_create(struct mnt_idmap *idmap, struct
inode *dip,
}
tid = txBegin(dip->i_sb, 0);
+ if (tid == 0) {
+ jfs_err("jfs_create: unable to create tblk due to read only
filesystem");
+ return -EROFS;
+ }
mutex_lock_nested(&JFS_IP(dip)->commit_mutex, COMMIT_MUTEX_PARENT);
mutex_lock_nested(&JFS_IP(ip)->commit_mutex, COMMIT_MUTEX_CHILD);
prev parent reply other threads:[~2026-03-28 1:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-23 23:37 syzbot
2023-03-30 10:03 ` Aleksandr Nogikh
2026-03-28 1:19 ` syzbot [this message]
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