bybrooklyn/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-04-18 06:44:00 -04:00
Code Issues Packages Projects Releases Wiki Activity

Merge tag 'locking-urgent-2025-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse Source 
Pull locking fix from Ingo Molnar:
 "Fix a dangling pointer bug in the futex code used by the uring code.

  It isn't causing problems at the moment due to uring ABI limitations
  leaving it essentially unused in current usages, but is a good idea to
  fix nevertheless"

* tag 'locking-urgent-2025-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Pass in task to futex_queue()
This commit is contained in:
Linus Torvalds
2025-02-08 10:54:11 -08:00
parent 8f6629c004 5e0e02f0d7
commit fa76887bb7
5 changed files with 15 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
io_uring/futex.c
View File

@@ -338,7 +338,7 @@ int io_futex_wait(struct io_kiocb *req, unsigned int issue_flags)
hlist_add_head(&req->hash_node, &ctx->futex_list);
io_ring_submit_unlock(ctx, issue_flags);
futex_queue(&ifd->q, hb);
futex_queue(&ifd->q, hb, NULL);
return IOU_ISSUE_SKIP_COMPLETE;
}