Date: Fri, 12 May 2023 14:45:02 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: net@freebsd.org, transport@freebsd.org Subject: LoR tcphash -> in6_ifaddr_lock Message-ID: <5734ss36-02or-p6o1-6qq6-5s6sno276331@SerrOFQ.bet>
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where does this one come from these days? lock order reversal: 1st 0xfffffe0002305a10 tcphash (tcphash, sleep mutex) @ /usr/src/sys/netinet/tcp_usrreq.c:1477 2nd 0xffffffff81a5b9d0 in6_ifaddr_lock (in6_ifaddr_lock, rm) @ /usr/src/sys/netinet6/in6_src.c:305 lock order tcphash -> in6_ifaddr_lock attempted at: #0 0xffffffff80bc92c3 at witness_checkorder+0xbb3 #1 0xffffffff80b503df at _rm_rlock_debug+0x12f #2 0xffffffff80d84c2f at in6_selectsrc+0x44f #3 0xffffffff80d84790 at in6_selectsrc_socket+0x40 #4 0xffffffff80d826f7 at in6_pcbconnect+0x247 #5 0xffffffff80d66813 at tcp6_connect+0xa3 #6 0xffffffff80d641f4 at tcp6_usr_connect+0x304 #7 0xffffffff80c057ff at soconnectat+0xaf #8 0xffffffff80c0c8f1 at kern_connectat+0xe1 #9 0xffffffff80c0c7e5 at sys_connect+0x75 #10 0xffffffff81051760 at amd64_syscall+0x140 #11 0xffffffff81023e1b at fast_syscall_common+0xf8 -- Bjoern A. Zeeb r15:7
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