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Log euid, rgid and jail on listen queue overflow

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If you have numerous jails with multiple similar services running,
this helps to narrow down which services this log is referring to.
This commit is contained in:
Alexander Leidinger 2022-03-26 11:14:16 +01:00
parent 0c9c2eb394
commit aeb91e95cf
1 changed files with 18 additions and 6 deletions
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24
sys/kern/uipc_socket.c
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@ -699,12 +699,24 @@ sonewconn(struct socket *head, int connstatus)
}
KASSERT(sbuf_len(&descrsb) > 0,
("%s: sbuf creation failed", __func__));
log(LOG_DEBUG,
"%s: pcb %p (%s): Listen queue overflow: "
"%i already in queue awaiting acceptance "
"(%d occurrences)\n",
__func__, head->so_pcb, sbuf_data(&descrsb),
qlen, overcount);
if (head->so_cred == 0) {
log(LOG_DEBUG,
"%s: pcb %p (%s): Listen queue overflow: "
"%i already in queue awaiting acceptance "
"(%d occurrences)\n",
__func__, head->so_pcb, sbuf_data(&descrsb),
qlen, overcount);
} else {
log(LOG_DEBUG, "%s: pcb %p (%s): Listen queue overflow: "
"%i already in queue awaiting acceptance "
"(%d occurrences), euid %d, rgid %d, jail %s\n",
__func__, head->so_pcb, sbuf_data(&descrsb),
qlen, overcount,
head->so_cred->cr_uid, head->so_cred->cr_rgid,
head->so_cred->cr_prison ?
head->so_cred->cr_prison->pr_name :
"not_jailed");
}
sbuf_delete(&descrsb);
overcount = 0;