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Ensure that local variables are reset to their initial value when

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dealing with error cases in a loop over all remote addresses.
This issue was found and reported by OSS_Fuzz in:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18080
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18086
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18121
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18163

MFC after:		3 days
This commit is contained in:
tuexen 2019-10-12 17:57:03 +00:00
parent 8cb4b0ff10
commit b9f81c4458
1 changed files with 4 additions and 2 deletions
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6
sys/netinet/sctp_output.c
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@ -7872,8 +7872,8 @@ sctp_med_chunk_output(struct sctp_inpcb *inp,
int bundle_at, ctl_cnt, no_data_chunks, eeor_mode;
unsigned int mtu, r_mtu, omtu, mx_mtu, to_out;
int tsns_sent = 0;
uint32_t auth_offset = 0;
struct sctp_auth_chunk *auth = NULL;
uint32_t auth_offset;
struct sctp_auth_chunk *auth;
uint16_t auth_keyid;
int override_ok = 1;
int skip_fill_up = 0;
@ -8068,6 +8068,8 @@ sctp_med_chunk_output(struct sctp_inpcb *inp,
}
bundle_at = 0;
endoutchain = outchain = NULL;
auth = NULL;
auth_offset = 0;
no_fragmentflg = 1;
one_chunk = 0;
if (net->dest_state & SCTP_ADDR_UNCONFIRMED) {