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tracefs: Fix inode allocation

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commit 0df2ac59be upstream.

The leading comment above alloc_inode_sb() is pretty explicit about it:

  /*
   * This must be used for allocating filesystems specific inodes to set
   * up the inode reclaim context correctly.
   */

Switch tracefs over to alloc_inode_sb() to make sure inodes are properly
linked.

Cc: Ajay Kaher <ajay.kaher@broadcom.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/20240807115143.45927-2-minipli@grsecurity.net
Fixes: ba37ff75e0 ("eventfs: Implement tracefs_inode_cache")
Signed-off-by: Mathias Krause <minipli@grsecurity.net>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathias Krause 2024-08-07 13:51:38 +02:00 committed by Greg Kroah-Hartman
parent 4d035c743c
commit a49f7de9b8
1 changed files with 1 additions and 1 deletions
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2
fs/tracefs/inode.c
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@ -42,7 +42,7 @@ static struct inode *tracefs_alloc_inode(struct super_block *sb)
struct tracefs_inode *ti;
unsigned long flags;
ti = kmem_cache_alloc(tracefs_inode_cachep, GFP_KERNEL);
ti = alloc_inode_sb(sb, tracefs_inode_cachep, GFP_KERNEL);
if (!ti)
return NULL;