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author | Michael Tuexen <tuexen@FreeBSD.org> | 2021-10-01 22:48:01 +0000 |
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committer | Michael Tuexen <tuexen@FreeBSD.org> | 2021-10-01 22:48:01 +0000 |
commit | 3ff3733991ba049959c4fd2e7179ea96241a396e (patch) | |
tree | 5b607600aef179adea1488ffa4db9228dcb6cfea /sys/netinet/sctp_ss_functions.c | |
parent | c9536389d732feecf61afa4632397d67b04b2ab4 (diff) | |
download | src-3ff3733991ba049959c4fd2e7179ea96241a396e.tar.gz src-3ff3733991ba049959c4fd2e7179ea96241a396e.zip |
sctp: don't keep being locked on a stream which is removed
Reported by: syzbot+f5f551e8a3a0302a4914@syzkaller.appspotmail.com
MFC after: 1 week
Diffstat (limited to 'sys/netinet/sctp_ss_functions.c')
-rw-r--r-- | sys/netinet/sctp_ss_functions.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/netinet/sctp_ss_functions.c b/sys/netinet/sctp_ss_functions.c index 5293c0fee742..c08bec07c588 100644 --- a/sys/netinet/sctp_ss_functions.c +++ b/sys/netinet/sctp_ss_functions.c @@ -150,6 +150,9 @@ sctp_ss_default_remove(struct sctp_tcb *stcb, struct sctp_association *asoc, asoc->ss_data.last_out_stream = NULL; } } + if (asoc->ss_data.locked_on_sending == strq) { + asoc->ss_data.locked_on_sending = NULL; + } TAILQ_REMOVE(&asoc->ss_data.out.wheel, strq, ss_params.ss.rr.next_spoke); strq->ss_params.scheduled = false; } @@ -466,6 +469,9 @@ sctp_ss_prio_remove(struct sctp_tcb *stcb, struct sctp_association *asoc, asoc->ss_data.last_out_stream = NULL; } } + if (asoc->ss_data.locked_on_sending == strq) { + asoc->ss_data.locked_on_sending = NULL; + } TAILQ_REMOVE(&asoc->ss_data.out.wheel, strq, ss_params.ss.prio.next_spoke); strq->ss_params.scheduled = false; } @@ -635,6 +641,9 @@ sctp_ss_fb_remove(struct sctp_tcb *stcb, struct sctp_association *asoc, asoc->ss_data.last_out_stream = NULL; } } + if (asoc->ss_data.locked_on_sending == strq) { + asoc->ss_data.locked_on_sending = NULL; + } TAILQ_REMOVE(&asoc->ss_data.out.wheel, strq, ss_params.ss.fb.next_spoke); strq->ss_params.scheduled = false; } |