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| author | Jakub Sitnicki <jakub@cloudflare.com> | 2025-11-05 21:19:44 +0100 |
|---|---|---|
| committer | Martin KaFai Lau <martin.lau@kernel.org> | 2025-11-10 10:52:32 -0800 |
| commit | be83105d38ab99737ac0488600efd59ddd57b74c (patch) | |
| tree | b7fab4c4c7fa1055b6755b22a3a391c713eb084f /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | 55ffc98b44d28e13a218306666d16f2c7236d0ae (diff) | |
| download | linux-be83105d38ab99737ac0488600efd59ddd57b74c.tar.gz linux-be83105d38ab99737ac0488600efd59ddd57b74c.zip | |
bpf: Make bpf_skb_adjust_room metadata-safe
bpf_skb_adjust_room() may push or pull bytes from skb->data. In both cases,
skb metadata must be moved accordingly to stay accessible.
Replace existing memmove() calls, which only move payload, with a helper
that also handles metadata. Reserve enough space for metadata to fit after
skb_push.
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/20251105-skb-meta-rx-path-v4-7-5ceb08a9b37b@cloudflare.com
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions