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sctp: make sure new locking requirements are satisfied.

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Reported by:	syzbot+cd3c1dd64861b8c200bd@syzkaller.appspotmail.com
MFC after:	3 days
This commit is contained in:
Michael Tuexen 2022-02-20 15:31:53 +01:00
parent 32066c96fa
commit e255f0c9fb
1 changed files with 6 additions and 1 deletions
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7
sys/netinet/sctp_output.c
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@ -13321,6 +13321,10 @@ skip_preblock:
sp->processing = 0;
}
SCTP_TCB_SEND_UNLOCK(stcb);
if (!hold_tcblock) {
SCTP_TCB_LOCK(stcb);
hold_tcblock = true;
}
goto skip_out_eof;
}
/* What about the INIT, send it maybe */
@ -13513,8 +13517,8 @@ skip_preblock:
if (error != 0) {
goto out;
}
dataless_eof:
dataless_eof:
KASSERT(stcb != NULL, ("stcb is NULL"));
KASSERT(hold_tcblock, ("hold_tcblock is false"));
SCTP_TCB_LOCK_ASSERT(stcb);
@ -13602,6 +13606,7 @@ dataless_eof:
}
}
}
skip_out_eof:
KASSERT(stcb != NULL, ("stcb is NULL"));
KASSERT(hold_tcblock, ("hold_tcblock is false"));