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Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

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Alexei Starovoitov says:

====================
pull-request: bpf 2021-02-26

1) Fix for bpf atomic insns with src_reg=r0, from Brendan.

2) Fix use after free due to bpf_prog_clone, from Cong.

3) Drop imprecise verifier log message, from Dmitrii.

4) Remove incorrect blank line in bpf helper description, from Hangbin.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: No need to drop the packet when there is no geneve opt
  bpf: Remove blank line in bpf helper description comment
  tools/resolve_btfids: Fix build error with older host toolchains
  selftests/bpf: Fix a compiler warning in global func test
  bpf: Drop imprecise log message
  bpf: Clear percpu pointers in bpf_prog_clone_free()
  bpf: Fix a warning message in mark_ptr_not_null_reg()
  bpf, x86: Fix BPF_FETCH atomic and/or/xor with r0 as src
====================

Link: https://lore.kernel.org/r/20210226193737.57004-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2021-02-26 13:16:29 -08:00
commit 9e8e714f2d
10 changed files with 41 additions and 13 deletions
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1
include/uapi/linux/bpf.h
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@ -3850,7 +3850,6 @@ union bpf_attr {
*
* long bpf_check_mtu(void *ctx, u32 ifindex, u32 *mtu_len, s32 len_diff, u64 flags)
* Description
* Check ctx packet size against exceeding MTU of net device (based
* on *ifindex*). This helper will likely be used in combination
* with helpers that adjust/change the packet size.