witness: lock order reversal: 1st 0xffff8000016127e0 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd807016ba58 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff83508870 -> 0xffffffff8347ad9e is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 sblock+0xb6 sys/kern/uipc_socket2.c:536 #2 soreceive+0x27d sys/kern/uipc_socket.c:890 #3 fifo_read+0x117 sys/miscfs/fifofs/fifo_vnops.c:264 #4 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x15b sys/kern/vfs_vnops.c:-1 #6 vndsetcred+0xa1 sys/dev/vnd.c:685 #7 vndioctl+0xdfc sys/dev/vnd.c:486 #8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #10 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 sblock+0xb6 sys/kern/uipc_socket2.c:536 #2 sosplice+0x312 sys/kern/uipc_socket.c:1347 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1226 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #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:438 witness_checkorder(fffffd807016ba58,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd807016ba40,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd807016ba40,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806bfb4b30,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806bfb4b30,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576 vfs_lookup(ffff800035f9d6b0) at vfs_lookup+0x10f sys/kern/vfs_lookup.c:431 namei(ffff800035f9d6b0) at namei+0x7c5 sys/kern/vfs_lookup.c:250 unp_connect(ffff8000016125f8,fffffd8067e80f00,ffff80003abb3778) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000016125f8,fffffd806f09cb00,fffffd8067e80f00,fffffd806f09c400) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000016125f8,fffffd8067e80f00,ffff800035f9d938,0,fffffd806f09c400,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003abb3778,4,ffff800035f9dab8,0,ffff800035f9db70) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003abb3778,ffff800035f9dc20,ffff800035f9db70) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff800035f9dc20) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035f9dc20) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5c4a0bbe90, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff800035f9d320 rbx 0 rdx 0xffff8000015d0580 rcx 0xffff80003abb3778 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff800035f9d200 r9 0x8080808080808080 r10 0xbe691b62bad96179 r11 0x652458cf9921abdd r12 0xfffffd80040a68c0 r13 0xfffffd800488e2c8 r14 0x3 r15 0xffffffff8350e594 substchar+0x33af rip 0xffffffff815c5ed5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800035f9d310 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=231952 pid=64641 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003abb2a80,0xffff80003abb3cb8 process=0xffff80003c3ceb70 user=0xffff800035f98000, vmspace=0xfffffd806c6b43e8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70844 134930 52238 0 7 0 syz-executor 70844 104873 52238 0 2 0x4000000 syz-executor 10654 73338 74117 0 2 0 syz-executor 96445 341636 40739 0 2 0 syz-executor 96445 192146 40739 0 3 0x4000080 fsleep syz-executor 64641 259049 11059 0 2 0 syz-executor *64641 231952 11059 0 7 0x4000000 syz-executor 14677 340146 40598 0 2 0 syz-executor 14677 518247 40598 0 3 0x4000080 fsleep syz-executor 76254 170466 34178 0 2 0 syz-executor 76254 46578 34178 0 3 0x4000080 fsleep syz-executor 38087 190635 83625 0 3 0x80 nanoslp syz-executor 38087 158108 83625 0 3 0x4000080 rest syz-executor 38087 80558 83625 0 3 0x4000080 rest syz-executor 38087 210218 83625 0 3 0x4000080 fsleep syz-executor 92221 467093 87966 0 3 0x80 nanoslp syz-executor 92221 104482 87966 0 3 0x4000080 ttyout syz-executor 83625 193203 3038 0 3 0x82 nanoslp syz-executor 34178 159610 3038 0 3 0x82 nanoslp syz-executor 87966 390920 3038 0 2 0x2 syz-executor 40739 29117 3038 0 3 0x82 nanoslp syz-executor 40598 422691 3038 0 3 0x82 nanoslp syz-executor 74117 129275 3038 0 3 0x82 nanoslp syz-executor 11059 274111 3038 0 3 0x82 nanoslp syz-executor 52238 149058 3038 0 3 0x82 nanoslp syz-executor 3038 88739 4346 0 3 0x82 kqread syz-executor 4346 456648 52217 0 3 0x10008a sigsusp ksh 52217 148300 79795 0 3 0x98 kqread sshd-session 79795 507831 64909 0 3 0x92 kqread sshd-session 60596 38912 1 0 3 0x100083 ttyin getty 64909 437814 1 0 3 0x88 kqread sshd 8193 132486 98276 74 3 0x1100092 bpf pflogd 98276 19761 1 0 3 0x80 sbwait pflogd 79813 182976 46933 73 3 0x1100090 kqread syslogd 46933 43206 1 0 3 0x100082 sbwait syslogd 52919 485063 1 0 3 0x100080 kqread resolvd 52565 260681 96312 77 3 0x100092 kqread dhcpleased 73736 331221 96312 77 3 0x100092 kqread dhcpleased 96312 310825 1 0 3 0x80 kqread dhcpleased 74688 440476 0 0 3 0x14200 bored smr 42845 164891 0 0 2 0x14200 zerothread 50587 242268 0 0 3 0x14200 aiodoned aiodoned 41973 70803 0 0 3 0x14200 syncer update 91577 125321 0 0 3 0x14200 cleaner cleaner 39240 63819 0 0 3 0x14200 reaper reaper 68771 109581 0 0 3 0x14200 pgdaemon pagedaemon 49177 478348 0 0 3 0x14200 bored viomb 10480 288941 0 0 3 0x40014200 acpi0 acpi0 94793 130613 0 0 3 0x40014200 idle1 98924 63176 0 0 3 0x14200 bored softnet1 73891 47605 0 0 2 0x14200 softnet0 37996 359036 0 0 3 0x14200 smrbar systqmp 3839 186528 0 0 3 0x14200 bored systq 9095 264439 0 0 3 0x14200 tmoslp softclockmp 57493 80615 0 0 3 0x40014200 tmoslp softclock 83385 98807 0 0 3 0x40014200 idle0 1 449497 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 64641 (syz-executor) thread 0xffff80003abb3778 (231952) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a33a00) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 unp_connect+0x28c sys/kern/uipc_usrreq.c:872 #2 uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 #3 sosend+0x804 sys/kern/uipc_socket.c:-1 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000016127e0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:639 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #7 Xsyscall+0x128 Process 37996 (systqmp) thread 0xffff8000ffffe7c8 (359036) shared rwlock systqmp r = 0 (0xffffffff83905378) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11078 12225K 12438K 166960K 12345 0 pcb 17 16K 18K 166960K 130 0 rtable 222 7K 8K 166960K 381 0 pf 34 17K 24K 166960K 71 0 ifaddr 41 7K 7K 166960K 48 0 ifgroup 55 2K 2K 166960K 63 0 sysctl 2 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 76 0 ioctlops 0 0K 4K 166960K 1550 0 iov 0 0K 2K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1358 85K 86K 166960K 1524 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 5 0K 0K 166960K 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 267 0 proc 72 115K 180K 166960K 562 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 21 0 in_multi 90 6K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 393 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 225 159K 170K 166960K 4320 0 UVM aobj 9 4K 4K 166960K 9 0 pinsyscall 43 86K 106K 166960K 1404 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 5 0 NDP 12 0K 2K 166960K 31 0 temp 41 9103K 9168K 166960K 12606 0 kqueue 13 20K 28K 166960K 47 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 45 0 42 1 0 1 1 0 8 0 rtentry 176 115 0 16 6 0 6 6 0 8 0 unpcb 144 82 0 64 1 0 1 1 0 8 0 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 736 35 0 30 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 295 0 285 7 0 7 7 0 8 5 nd6 152 27 0 0 2 0 2 2 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 2 0 2 1 0 1 1 0 8 1 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 0 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 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfsrclim 320 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 8 0 0 1 0 1 1 0 8 0 pfstitem 24 35 0 1 1 0 1 1 0 8 0 pfstkey 128 35 0 1 2 0 2 2 0 8 0 pfstate 448 35 0 1 4 0 4 4 0 8 0 pfrule 1360 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 480 0 65 30 0 30 30 0 8 2 art_table 40 481 0 65 5 0 5 5 0 8 0 art_node 32 114 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semapl 112 3 0 0 1 0 1 1 0 8 0 shmpl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1814 0 346 93 0 93 93 0 8 0 ffsino 296 1814 0 346 114 0 114 114 0 8 0 nchpl 144 2174 0 474 64 0 64 64 0 8 0 vnodes 216 2019 0 0 113 0 113 113 0 8 0 namei 1024 6896 0 6895 2 0 2 2 0 8 1 percpumem 16 53 0 3 1 0 1 1 0 8 0 kstatmem 264 33 0 6 2 0 2 2 0 8 0 scxspl 216 7421 0 7421 4 3 1 3 1 8 1 plimitpl 152 39 0 22 1 0 1 1 0 8 0 sigapl 424 579 0 531 7 0 7 7 0 8 1 knotepl 120 311 0 0 10 0 10 10 0 8 0 kqueuepl 224 51 0 42 1 0 1 1 0 8 0 pipepl 344 128 0 101 3 0 3 3 0 8 0 fdescpl 528 563 0 531 3 0 3 3 0 8 0 filepl 160 2547 0 2328 15 0 15 15 0 8 5 lockfpl 104 57 0 54 1 0 1 1 0 8 0 lockfspl 48 26 0 23 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 171 0 158 1 0 1 1 0 8 0 zombiepl 144 531 0 531 1 0 1 1 0 8 1 processpl 1232 579 0 531 5 0 5 5 0 8 0 procpl 664 821 0 764 6 0 6 6 0 8 0 sockpl 752 432 0 401 10 0 10 10 0 8 6 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 131 0 0 17 0 17 17 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 174 0 0 11 0 11 11 0 8 0 bufpl 280 2645 0 102 182 0 182 182 0 8 0 anonpl 32 7485 0 0 61 0 61 61 0 246 0 amapchunkpl 152 12819 0 12240 28 0 28 28 0 158 4 amappl16 200 2257 0 2230 17 6 11 14 0 8 8 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 447 0 445 1 0 1 1 0 8 0 amappl13 176 121 0 108 1 0 1 1 0 8 0 amappl12 168 820 0 790 2 0 2 2 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 67 0 53 1 0 1 1 0 8 0 amappl9 144 264 0 263 1 0 1 1 0 8 0 amappl8 136 104 0 102 1 0 1 1 0 8 0 amappl7 128 159 0 146 1 0 1 1 0 8 0 amappl6 120 167 0 166 1 0 1 1 0 8 0 amappl5 112 112 0 102 1 0 1 1 0 8 0 amappl4 104 306 0 286 1 0 1 1 0 8 0 amappl3 96 2352 0 2242 4 0 4 4 0 8 0 amappl2 88 519 0 458 2 0 2 2 0 8 0 amappl1 80 9809 0 9198 16 1 15 16 0 8 2 amappl 88 3578 0 3425 5 0 5 5 0 92 1 uvmvnodes 80 107 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 8 0 0 1 0 1 1 0 8 0 uaddrrnd 24 564 0 532 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 564 0 532 1 0 1 1 0 8 0 vmmpekpl 168 6313 0 6280 2 0 2 2 0 8 0 vmmpepl 168 43908 0 41966 96 0 96 96 0 357 10 vmsppl 488 563 0 532 5 0 5 5 0 8 1 rwobjpl 80 15395 0 14361 27 0 27 27 0 8 1 pdppl 4096 1135 0 1064 97 26 71 85 0 8 0 pvpl 32 13283 0 0 109 1 108 108 0 265 0 pmappl 256 563 0 532 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 275 0 30 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8392cff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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+0xf kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:153 intr_handler(ffff80003c3f8c90,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff83a33200) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a33200) at __mp_lock+0x192 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x18 kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x18 sys/dev/kcov.c:153 nanouptime(ffff80003c3f9020) at nanouptime+0x61 tc_delta sys/kern/kern_tc.c:138 [inline] nanouptime(ffff80003c3f9020) at nanouptime+0x61 binuptime sys/kern/kern_tc.c:191 [inline] nanouptime(ffff80003c3f9020) at nanouptime+0x61 sys/kern/kern_tc.c:217 clock_gettime(ffff80003c3ef780,3,ffff80003c3f9020) at clock_gettime+0xaa sys/kern/kern_time.c:129 sys_clock_gettime(ffff80003c3ef780,ffff80003c3f9150,ffff80003c3f90a0) at sys_clock_gettime+0x57 sys/kern/kern_time.c:173 syscall(ffff80003c3f9150) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f9150) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78478ba3e9e0, count: -16 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:438 witness_checkorder(fffffd807016ba58,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd807016ba40,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd807016ba40,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806bfb4b30,2001) at VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 vn_lock(fffffd806bfb4b30,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:576 vfs_lookup(ffff800035f9d6b0) at vfs_lookup+0x10f sys/kern/vfs_lookup.c:431 namei(ffff800035f9d6b0) at namei+0x7c5 sys/kern/vfs_lookup.c:250 unp_connect(ffff8000016125f8,fffffd8067e80f00,ffff80003abb3778) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000016125f8,fffffd806f09cb00,fffffd8067e80f00,fffffd806f09c400) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000016125f8,fffffd8067e80f00,ffff800035f9d938,0,fffffd806f09c400,0) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003abb3778,4,ffff800035f9dab8,0,ffff800035f9db70) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003abb3778,ffff800035f9dc20,ffff800035f9db70) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff800035f9dc20) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800035f9dc20) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe5c4a0bbe90, count: -15