login: witness: lock order reversal: 1st 0xffff800010fbe1c8 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd8074e98d60 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff830be9a1 -> 0xffffffff8306b4aa is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_enter+0x122 #1 sblock+0xb7 sys/kern/uipc_socket2.c:549 #2 soreceive+0x295 sys/kern/uipc_socket.c:945 #3 fifo_read+0x11a sys/miscfs/fifofs/fifo_vnops.c:264 #4 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x15b #6 vndsetcred+0xa1 sys/dev/vnd.c:684 #7 vndioctl+0xe6c sys/dev/vnd.c:485 #8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xf6 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x67c #11 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #11 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock) #0 rw_enter+0x122 #1 sblock+0xb7 sys/kern/uipc_socket2.c:549 #2 sosplice+0x3f4 sys/kern/uipc_socket.c:1454 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1228 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd8074e98d60,9,0) at witness_checkorder+0x1047 rw_enter(fffffd8074e98d50,1) at rw_enter+0x122 rrw_enter(fffffd8074e98d50,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80603871b0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd80603871b0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80002a08e4a8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80002a08e4a8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fbe020,fffffd806778b000,ffff8000ffffc010) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800010fbe020,fffffd806778b500,fffffd806778b000,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800010fbe020,fffffd806778b000,ffff80002a08e738,0,0,0) at sosend+0xa40 sendit(ffff8000ffffc010,4,ffff80002a08e8b0,0,ffff80002a08e970) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffffc010,ffff80002a08ea20,ffff80002a08e970) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff80002a08ea20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a08ea20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe00679b17d0, count: -15 ddb{1}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80002a08e100 rbx 0xfffffd80042c35f8 rdx 0xffff8000012a4800 rcx 0xffff8000ffffc010 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80002a08dfe0 r9 0x8080808080808080 r10 0x79459ea0ba952409 r11 0xc262b64d6459a0e9 r12 0 r13 0xfffffd8003adae00 r14 0x3 r15 0xffffffff rip 0xffffffff81610e15 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a08e0f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=121364 pid=74122 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff2a48,0xffff8000ffffc530 process=0xffff8000ffff6d68 user=0xffff80002a089000, vmspace=0xfffffd806c30d1d8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6892 326912 68472 0 7 0 syz-executor 89031 477564 96896 0 2 0 syz-executor 74122 227920 14521 0 2 0x10 syz-executor *74122 121364 14521 0 7 0x4000010 syz-executor 98221 500747 26136 0 2 0 syz-executor 21357 455274 78526 0 2 0 syz-executor 21357 31327 78526 0 2 0x4000000 syz-executor 51578 205662 26618 0 2 0 syz-executor 51578 126826 26618 0 3 0x4000080 fsleep syz-executor 51578 225163 26618 0 3 0x4000080 fsleep syz-executor 51578 119195 26618 0 3 0x4000080 fsleep syz-executor 96896 67294 37427 0 3 0x82 nanoslp syz-executor 71374 366522 1 0 3 0x100083 ttyin getty 26618 311664 37427 0 3 0x82 nanoslp syz-executor 43503 386383 0 0 3 0x14200 bored sosplice 92681 121775 31909 0 3 0x100082 sbwait arp 31909 400892 5757 0 3 0x10008a sigsusp sh 5757 349412 37427 0 3 0x82 wait syz-executor 26136 311480 37427 0 3 0x82 nanoslp syz-executor 14521 103922 37427 0 3 0x82 nanoslp syz-executor 68472 174035 37427 0 2 0x2 syz-executor 47041 206773 37427 0 3 0x82 nanoslp syz-executor 78526 7066 37427 0 3 0x82 nanoslp syz-executor 37427 23158 71053 0 3 0x82 kqread syz-executor 71053 77346 17300 0 3 0x10008a sigsusp ksh 17300 425815 29727 0 3 0x98 kqread sshd-session 29727 126556 61640 0 3 0x92 kqread sshd-session 61640 73077 1 0 3 0x88 kqread sshd 50323 259638 11798 74 3 0x1100092 bpf pflogd 11798 435113 1 0 3 0x80 sbwait pflogd 11053 236326 27557 73 3 0x1100090 kqread syslogd 27557 515611 1 0 3 0x100082 sbwait syslogd 24708 515295 1 0 3 0x100080 kqread resolvd 88051 168217 37206 77 3 0x100092 kqread dhcpleased 61781 364240 37206 77 3 0x100092 kqread dhcpleased 37206 47191 1 0 3 0x80 kqread dhcpleased 30815 7638 0 0 3 0x14200 bored smr 93836 215836 0 0 3 0x14200 pgzero zerothread 77745 454634 0 0 3 0x14200 aiodoned aiodoned 53519 231045 0 0 3 0x14200 syncer update 86250 263473 0 0 3 0x14200 cleaner cleaner 4967 118785 0 0 3 0x14200 reaper reaper 40244 510206 0 0 3 0x14200 pgdaemon pagedaemon 59447 85376 0 0 3 0x14200 bored viomb 2913 330534 0 0 3 0x40014200 acpi0 acpi0 59483 468776 0 0 3 0x40014200 idle1 95782 292820 0 0 3 0x14200 bored softnet3 48263 61068 0 0 3 0x14200 bored softnet2 37994 354236 0 0 3 0x14200 bored softnet1 54057 176492 0 0 3 0x14200 bored softnet0 75601 50887 0 0 3 0x14200 bored systqmp 58601 115004 0 0 3 0x14200 bored systq 23387 469057 0 0 3 0x14200 tmoslp softclockmp 54833 506251 0 0 3 0x40014200 tmoslp softclock 42572 196431 0 0 3 0x40014200 idle0 1 438381 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 74122 (syz-executor) thread 0xffff8000ffffc010 (121364) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8359d538) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:868 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #3 sosend+0xa40 #4 sendit+0x721 sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800010fbe1c8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sblock+0xb7 sys/kern/uipc_socket2.c:549 #3 sosend+0x2ff sys/kern/uipc_socket.c:681 #4 sendit+0x721 sys/kern/uipc_syscalls.c:786 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 11150K 11552K 166960K 12832 0 pcb 17 15K 16K 166960K 347 0 rtable 195 6K 6K 166960K 505 0 pf 40 18K 21K 166960K 91 0 ifaddr 40 6K 7K 166960K 75 0 ifgroup 62 2K 2K 166960K 104 0 sysctl 3 0K 0K 166960K 3 0 counters 66 36K 36K 166960K 92 0 ioctlops 0 0K 4K 166960K 1556 0 iov 0 0K 16K 166960K 63 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1361 86K 86K 166960K 2343 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 57 0 dirhash 12 2K 2K 166960K 54 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 19 69K 97K 166960K 1293 0 sigio 0 0K 0K 166960K 23 0 proc 72 91K 128K 166960K 688 0 subproc 104 6K 6K 166960K 130 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 131 0 in_multi 86 6K 6K 166960K 165 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 157 705K 705K 166960K 157 0 exec 0 0K 1K 166960K 775 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 73K 92K 166960K 14052 0 UVM aobj 50 4K 6K 166960K 60 0 pinsyscall 45 90K 109K 166960K 2429 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 69 0 NDP 13 0K 1K 166960K 50 0 temp 76 6828K 6894K 166960K 58862 0 kqueue 13 20K 30K 166960K 196 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 230 0 226 5 4 1 5 0 8 0 rtentry 112 162 0 73 3 0 3 3 0 8 0 unpcb 144 989 0 964 6 4 2 4 0 8 1 syncache 336 8 0 8 2 2 0 1 0 8 0 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 808 437 0 431 16 8 8 8 0 8 7 arp 120 28 0 13 1 0 1 1 0 8 0 ipq 40 1 0 1 1 1 0 1 0 8 0 ipqe 40 3 0 3 1 1 0 1 0 8 0 inpcb 336 1504 0 1494 22 15 7 10 0 8 5 nd6 136 37 0 11 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1168 7 0 7 4 3 1 1 0 8 1 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pffrag 232 5 0 2 1 0 1 1 0 482 0 pffrnode 88 5 0 2 1 0 1 1 0 8 0 pffrent 40 13 0 10 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 122 0 30 1 0 1 1 0 8 0 pfstkey 128 128 0 37 3 0 3 3 0 8 0 pfstate 376 123 0 33 9 0 9 9 0 8 0 pfrule 1344 24 0 18 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 705 0 303 28 1 27 27 0 8 0 art_table 32 707 0 303 4 0 4 4 0 8 0 art_node 16 159 0 81 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 50 0 40 1 0 1 1 0 8 0 shmpl 112 57 0 10 2 0 2 2 0 8 0 dirhash 1024 46 0 29 3 0 3 3 0 8 0 dino2pl 256 3904 0 2407 95 0 95 95 0 8 0 ffsino 272 3904 0 2407 101 0 101 101 0 8 0 nchpl 144 5656 0 3967 63 0 63 63 0 8 0 uvmvnodes 80 4462 0 0 92 0 92 92 0 8 0 vnodes 216 4462 0 0 248 0 248 248 0 8 0 namei 1024 18918 0 18917 2 1 1 1 0 8 0 percpumem 16 60 0 13 1 0 1 1 0 8 0 kstatmem 264 52 0 26 2 0 2 2 0 8 0 scsiplug 72 4 0 4 3 2 1 1 0 8 1 scxspl 216 16569 0 16569 10 9 1 8 1 8 1 plimitpl 152 308 0 291 1 0 1 1 0 8 0 sigapl 424 1595 0 1543 7 0 7 7 0 8 0 futexpl 64 17648 0 17645 1 0 1 1 0 8 0 knotepl 120 595 0 0 18 0 18 18 0 8 0 kqueuepl 216 354 0 345 3 2 1 3 0 8 0 pipepl 320 306 0 279 11 8 3 8 0 8 0 fdescpl 496 1574 0 1541 6 1 5 6 0 8 0 filepl 152 9697 0 9445 22 9 13 18 0 8 2 lockfpl 104 461 0 459 1 0 1 1 0 8 0 lockfspl 48 169 0 167 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 46 0 29 1 0 1 1 0 8 0 ucredpl 104 1897 0 1883 1 0 1 1 0 8 0 zombiepl 144 1877 0 1876 3 2 1 1 0 8 0 processpl 1160 1595 0 1543 5 0 5 5 0 8 0 procpl 648 3613 0 3556 6 0 6 6 0 8 0 srpgc 96 6 0 6 2 1 1 1 0 8 1 sosppl 168 5 0 5 2 1 1 1 0 8 1 sockpl 664 2750 0 2712 36 27 9 20 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 0 1 0 1 1 0 8 0 mcl4k 4096 132 0 0 17 0 17 17 0 8 0 mcl2k 2048 37 0 0 4 0 4 4 0 8 0 mtagpl 96 36 0 0 1 0 1 1 0 8 0 mbufpl 256 1198 0 0 75 0 75 75 0 8 0 bufpl 280 4462 0 105 312 0 312 312 0 8 0 anonpl 24 279300 0 272809 120 45 75 75 0 185 25 amapchunkpl 152 46981 0 46411 46 14 32 36 0 158 3 amappl16 200 7009 0 6918 57 38 19 26 0 8 11 amappl15 192 11 0 10 1 0 1 1 0 8 0 amappl14 184 178 0 165 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 2245 0 2214 4 1 3 3 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 1 0 1 0 8 0 amappl9 144 158 0 158 1 1 0 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 116 0 102 1 0 1 1 0 8 0 amappl6 120 189 0 187 1 0 1 1 0 8 0 amappl5 112 152 0 139 1 0 1 1 0 8 0 amappl4 104 389 0 368 1 0 1 1 0 8 0 amappl3 96 8580 0 8494 3 0 3 3 0 8 0 amappl2 88 1886 0 1800 3 0 3 3 0 8 0 amappl1 80 12050 0 11469 15 1 14 14 0 8 0 amappl 88 13543 0 13377 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma32768 32768 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 59 0 10 1 0 1 1 0 8 0 uaddrrnd 24 1574 0 1541 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1574 0 1541 1 0 1 1 0 8 0 vmmpekpl 168 13785 0 13737 3 0 3 3 0 8 0 vmmpepl 168 104497 0 102530 122 16 106 106 0 357 9 vmsppl 448 1573 0 1541 6 1 5 5 0 8 0 rwobjpl 56 35520 0 29986 82 0 82 82 0 8 2 pdppl 4096 3155 0 3082 113 40 73 87 0 8 0 pvpl 32 18601 0 0 150 0 150 150 0 265 0 pmappl 248 1573 0 1541 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 499 0 76 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8349fff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff8000371f9dc0,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff8000371f9f30,ffff800000079e00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff8359d330) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8359d330) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 syscall(ffff8000371fa250) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fa250) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7d3e05221360, count: -17 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd8074e98d60,9,0) at witness_checkorder+0x1047 rw_enter(fffffd8074e98d50,1) at rw_enter+0x122 rrw_enter(fffffd8074e98d50,1) at rrw_enter+0xbe sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd80603871b0,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd80603871b0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:564 vfs_lookup(ffff80002a08e4a8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80002a08e4a8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fbe020,fffffd806778b000,ffff8000ffffc010) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800010fbe020,fffffd806778b500,fffffd806778b000,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800010fbe020,fffffd806778b000,ffff80002a08e738,0,0,0) at sosend+0xa40 sendit(ffff8000ffffc010,4,ffff80002a08e8b0,0,ffff80002a08e970) at sendit+0x721 sys/kern/uipc_syscalls.c:786 sys_sendmsg(ffff8000ffffc010,ffff80002a08ea20,ffff80002a08e970) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:604 syscall(ffff80002a08ea20) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80002a08ea20) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe00679b17d0, count: -15