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authorJonathan Corbet <corbet@lwn.net>2024-09-05 14:01:38 -0600
committerJonathan Corbet <corbet@lwn.net>2024-09-05 14:01:38 -0600
commitd224338aa105bf3c4c4aa8b2ccdbd675c71ffbfe (patch)
treeb7b6b8c98595c89f7ad5307120cb3156708991bc /kernel/bpf/verifier.c
parenteb5ed2fae19745fcb7dd0dcfbfbcd8b2847bc5c1 (diff)
parent431c1646e1f86b949fa3685efc50b660a364c2b6 (diff)
downloadlwn-d224338aa105bf3c4c4aa8b2ccdbd675c71ffbfe.tar.gz
lwn-d224338aa105bf3c4c4aa8b2ccdbd675c71ffbfe.zip
Merge tag 'v6.11-rc6' into docs-mw
This is done primarily to get a docs build fix merged via another tree so that "make htmldocs" stops failing.
Diffstat (limited to 'kernel/bpf/verifier.c')
-rw-r--r--kernel/bpf/verifier.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 4cb5441ad75f..d8520095ca03 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -16884,8 +16884,9 @@ static bool stacksafe(struct bpf_verifier_env *env, struct bpf_func_state *old,
spi = i / BPF_REG_SIZE;
if (exact != NOT_EXACT &&
- old->stack[spi].slot_type[i % BPF_REG_SIZE] !=
- cur->stack[spi].slot_type[i % BPF_REG_SIZE])
+ (i >= cur->allocated_stack ||
+ old->stack[spi].slot_type[i % BPF_REG_SIZE] !=
+ cur->stack[spi].slot_type[i % BPF_REG_SIZE]))
return false;
if (!(old->stack[spi].spilled_ptr.live & REG_LIVE_READ)