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| author | Eric Dumazet <[email protected]> | 2022-01-31 17:21:06 -0800 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2022-02-01 20:19:00 -0800 |
| commit | c6f6f2444bdbe0079e41914a35081530d0409963 (patch) | |
| tree | a092807eddace8b3d89c808d4f65071057bfb8e1 /net/lapb/lapb_timer.c | |
| parent | 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 (diff) | |
rtnetlink: make sure to refresh master_dev/m_ops in __rtnl_newlink()
While looking at one unrelated syzbot bug, I found the replay logic
in __rtnl_newlink() to potentially trigger use-after-free.
It is better to clear master_dev and m_ops inside the loop,
in case we have to replay it.
Fixes: ba7d49b1f0f8 ("rtnetlink: provide api for getting and setting slave info")
Signed-off-by: Eric Dumazet <[email protected]>
Cc: Jiri Pirko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'net/lapb/lapb_timer.c')
0 files changed, 0 insertions, 0 deletions