Date: Fri, 23 Jan 2026 17:55:08 +0000 (UTC) From: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> To: net@freebsd.org Subject: LOR netlink lock, rm - so_rcv, sleep mutex Message-ID: <1rs3168s-q449-op25-1663-qs72nr1rs677@mnoonqbm.arg>
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netboot, NFS Root: lock order reversal: 1st 0xffff0000405f6448 netlink lock (netlink lock, rm) @ freebsd-src.git/sys/netlink/netlink_domain.c:219 eend 0xffff0001d3ae4220 so_rcv (so_rcv, sleep mutex) @ freebsd-src.git/sys/netlink/netlink_io.c:230 lock order netlink lock -> so_rcv attempted at: #0 0xffff00000054a9b0 at witness_checkorder+0xad0 #1 0xffff0000004aa6b8 at __mtx_lock_flags+0x9c #2 0xffff000000715a20 at nl_send+0xbc #3 0xffff000000711b88 at nl_send_group+0x1b4 #4 0xffff000000715e54 at _nlmsg_flush+0x30 #5 0xffff0000007af5d4 at clnt_nl_call+0x288 #6 0xffff0000007b53b8 at clnt_call_private+0xc0 #7 0xffff0000007b6010 at rpcb_unset+0x70 #8 0xffff0000007ba3b0 at svc_tp_create+0xe8 #9 0xffff000000724978 at sys_nlm_syscall+0x354 #10 0xffff0000008bab1c at do_el0_sync+0x68c #11 0xffff00000088d9ac at handle_el0_sync+0x4c -- Bjoern A. Zeeb r15:7home | help
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