Date: Mon, 24 Mar 2025 15:07:12 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: net@freebsd.org Subject: LOR TCP/IPv6 in6_selectsrc_socket Message-ID: <sop9199p-55or-poq2-r96o-679pq92p6s85@yvfgf.mnoonqbm.arg>
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Hi, can someone look into this? lock order reversal: 1st 0xfffffe000932ca70 tcphash (tcphash, sleep mutex) @ /usr/src/sys/netinet/tcp_usrreq.c:1525 2nd 0xffffffff81cda800 in6_ifaddr_lock (in6_ifaddr_lock, rm) @ /usr/src/sys/netinet6/in6_src.c:301 lock order tcphash -> in6_ifaddr_lock attempted at: #0 0xffffffff80bd0f31 at witness_checkorder+0xbe1 #1 0xffffffff80b53c09 at _rm_rlock_debug+0x129 #2 0xffffffff80d99387 at in6_selectsrc+0x447 #3 0xffffffff80d98ef1 at in6_selectsrc_socket+0x41 #4 0xffffffff80d96a41 at in6_pcbconnect+0x291 #5 0xffffffff80d79684 at tcp6_connect+0xa4 #6 0xffffffff80d77018 at tcp6_usr_connect+0x2f8 #7 0xffffffff80c10070 at soconnectat+0xc0 #8 0xffffffff80c18411 at kern_connectat+0xe1 #9 0xffffffff80c18301 at sys_connect+0x81 #10 0xffffffff810979da at amd64_syscall+0x15a #11 0xffffffff810696ab at fast_syscall_common+0xf8 -- Bjoern A. Zeeb r15:7
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