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| author | Cong Wang <[email protected]> | 2021-07-23 18:36:30 +0000 |
|---|---|---|
| committer | Andrii Nakryiko <[email protected]> | 2021-07-30 19:40:55 +0000 |
| commit | 0b846445985895e75958ecd59061fd7bf77e0c3f (patch) | |
| tree | 47178f8be372abbc3a48077329f45c5cfaf2fc5a /tools/bpf/bpftool/prog.c | |
| parent | libbpf: Add btf__load_vmlinux_btf/btf__load_module_btf (diff) | |
| download | kernel-0b846445985895e75958ecd59061fd7bf77e0c3f.tar.gz kernel-0b846445985895e75958ecd59061fd7bf77e0c3f.zip | |
unix_bpf: Fix a potential deadlock in unix_dgram_bpf_recvmsg()
As Eric noticed, __unix_dgram_recvmsg() may acquire u->iolock
too, so we have to release it before calling this function.
Fixes: 9825d866ce0d ("af_unix: Implement unix_dgram_bpf_recvmsg()")
Reported-by: Eric Dumazet <[email protected]>
Signed-off-by: Cong Wang <[email protected]>
Signed-off-by: Andrii Nakryiko <[email protected]>
Acked-by: Jakub Sitnicki <[email protected]>
Acked-by: John Fastabend <[email protected]>
Diffstat (limited to 'tools/bpf/bpftool/prog.c')
0 files changed, 0 insertions, 0 deletions