witness: lock order reversal: 1st 0xffff8000018710a0 sbufsnd (&so->so_snd.sb_lock) 2nd 0xffff8000019ea9e8 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff8483b2c0 -> 0xffffffff848cb0e0 is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_do_enter_write+0xb8 sys/kern/kern_rwlock.c:234 #1 sblock+0xbf sys/kern/uipc_socket2.c:536 #2 soreceive+0x291 sys/kern/uipc_socket.c:890 #3 fifo_read+0x1ed sys/miscfs/fifofs/fifo_vnops.c:264 #4 VOP_READ+0x1f1 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x1db sys/kern/vfs_vnops.c:-1 #6 vndsetcred+0xc7 sys/dev/vnd.c:685 #7 vndioctl+0x1451 sys/dev/vnd.c:486 #8 VOP_IOCTL+0x163 sys/kern/vfs_vops.c:264 #9 vn_ioctl+0x1d6 sys/kern/vfs_vnops.c:537 #10 sys_ioctl+0x873 sys/kern/sys_generic.c:-1 #11 syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0x118e sys/arch/amd64/amd64/trap.c:791 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock) #0 rw_do_enter_write+0xb8 sys/kern/kern_rwlock.c:234 #1 sblock+0xbf sys/kern/uipc_socket2.c:536 #2 sosplice+0x514 sys/kern/uipc_socket.c:1352 #3 sosetopt+0xf1c sys/kern/uipc_socket.c:-1 #4 sys_setsockopt+0x44b sys/kern/uipc_syscalls.c:1234 #5 syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0x118e sys/arch/amd64/amd64/trap.c:791 #6 Xsyscall+0x128 Stopped at db_enter+0x17: popq %rbp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> show kasan kasan: no report recorded this boot ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 witness_checkorder(ffff8000019ea9e8,9,0) at witness_checkorder+0x17f2 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffff8000019ea9d0,1) at rw_do_enter_write+0xb8 sys/kern/kern_rwlock.c:234 rrw_enter(ffff8000019ea9d0,1) at rrw_enter+0xf5 sys/kern/kern_rwlock.c:621 VOP_LOCK(ffff800001bdd5f8,2001) at VOP_LOCK+0x186 sys/kern/vfs_vops.c:527 vn_lock(ffff800001bdd5f8,2001) at vn_lock+0xba sys/kern/vfs_vnops.c:576 vfs_lookup(ffff800029955b20) at vfs_lookup+0x1da sys/kern/vfs_lookup.c:431 namei(ffff800029955b20) at namei+0xcba sys/kern/vfs_lookup.c:250 unp_connect(ffff800001870eb8,fffffd8066805300,ffff80002989a010) at unp_connect+0x2eb sys/kern/uipc_usrreq.c:875 uipc_dgram_send(ffff800001870eb8,fffffd8066ac7600,fffffd8066805300,0) at uipc_dgram_send+0x200 sys/kern/uipc_usrreq.c:609 sosend(ffff800001870eb8,fffffd8066805300,ffff800029955f40,0,0,400) at sosend+0xb45 sys/kern/uipc_socket.c:-1 sendit(ffff80002989a010,3,ffff8000299560c0,400,ffff8000299562a0) at sendit+0x9e5 sys/kern/uipc_syscalls.c:785 sys_sendto(ffff80002989a010,ffff800029956330,ffff8000299562a0) at sys_sendto+0x192 sys/kern/uipc_syscalls.c:563 syscall(ffff800029956330) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029956330) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbd0df2cbdd0, count: -15 ddb{1}> show registers rdi 0x80000 acpi_pdirpa+0x6be71 rsi 0 rbp 0xffff800029955520 rbx 0xffffffff8483b300 .str.9 rdx 0xffff800000151680 rcx 0x7ffff acpi_pdirpa+0x6be70 rax 0xffff800029a7c000 r8 0xffff8080051f2800 r9 0x29955100 r10 0 r11 0xffffffff8226a080 x86_bus_space_io_read_1 r12 0xffffffff848cb0c0 ffs_vget.__lock_type r13 0xffff8000018710a0 r14 0x3 r15 0xffffffff848cb100 .str.13 rip 0xffffffff81169c17 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff800029955520 ss 0x10 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=329826 pid=73740 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=0xffff800029844538,0xffff80002989a550 process=0xffff800029a79d28 user=0xffff80002994b000, vmspace=0xffff800000dbc3d0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 47648 347450 34008 0 2 0x100002 0 sh 69322 436268 40167 0 2 0 0 syz-executor 69322 396021 40167 0 3 0 0x4000080 fsleep syz-executor 69322 233577 40167 0 3 0 0x4000080 fsleep syz-executor 74958 460609 63319 0 2 0x1 0 syz-executor 74958 228511 63319 0 3 0x1 0x4000080 fsleep syz-executor 74958 487802 63319 0 3 0x1 0x4000080 fsleep syz-executor 74958 94235 63319 0 3 0x1 0x4000080 fsleep syz-executor 78116 291233 99605 0 2 0 0 syz-executor 78116 375667 99605 0 3 0 0x4000080 ttyout syz-executor 78116 375501 99605 0 3 0 0x4000080 fsleep syz-executor 78116 60713 99605 0 3 0 0x4000080 fsleep syz-executor 78116 488284 99605 0 3 0 0x4000080 fsleep syz-executor 73740 302280 68891 0 2 0 0 syz-executor *73740 329826 68891 0 7 0 0x4000000 syz-executor 33110 356471 85277 0 2 0x2 0 syz-executor 92082 64936 21743 0 2 0 0 syz-executor 92082 304733 21743 0 3 0 0x4000080 fsleep syz-executor 42665 234654 26117 0 2 0 0 syz-executor 42665 147337 26117 0 3 0 0x4000080 fsleep syz-executor 34008 171214 85277 0 3 0x2 0x80 wait syz-executor 14130 408554 1 0 3 0x2 0x80 nanoslp getty 21743 231985 85277 0 2 0x2 0xc80 syz-executor 99605 485622 85277 0 2 0x2 0xc80 syz-executor 68891 327761 85277 0 2 0x2 0xc80 syz-executor 40167 152409 85277 0 2 0x2 0xc80 syz-executor 13199 429279 0 0 3 0x14000 0x200 acct acct 63319 455213 85277 0 7 0x2 0x1 syz-executor 26117 307436 85277 0 3 0x2 0x80 nanoslp syz-executor 85277 107157 1 0 3 0x2 0x80 kqread syz-executor 93407 416174 50390 74 3 0x1100012 0x80 bpf pflogd 50390 466114 1 0 3 0 0x80 sbwait pflogd 4127 403771 0 0 3 0x14000 0x200 bored smr 17337 151795 0 0 2 0x14000 0x200 zerothread 63317 519750 0 0 3 0x14000 0x200 aiodoned aiodoned 29486 483089 0 0 3 0x14000 0x200 syncer update 9003 445247 0 0 3 0x14000 0x200 cleaner cleaner 2628 325298 0 0 3 0x14000 0x200 reaper reaper 59545 66938 0 0 3 0x14000 0x200 pgdaemon pagedaemon 22688 117851 0 0 3 0x14000 0x200 bored viomb 4109 434852 0 0 3 0x14000 0x40000200 acpi0 acpi0 81666 362340 0 0 3 0x14000 0x40000200 idle1 79069 188650 0 0 3 0x14000 0x200 bored softnet1 34701 381583 0 0 2 0x14000 0x200 softnet0 12658 411036 0 0 3 0x14000 0x200 smrbar systqmp 20370 286198 0 0 3 0x14000 0x200 bored systq 78297 51894 0 0 3 0x14000 0x200 tmoslp softclockmp 22258 11040 0 0 3 0x14000 0x40000200 tmoslp softclock 49398 362785 0 0 3 0x14000 0x40000200 idle0 1 306300 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 73740 (syz-executor) thread 0xffff80002989a010 (329826) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff85602680) #0 witness_lock+0x534 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x534 sys/kern/subr_witness.c:1160 #1 unp_connect+0x2da sys/kern/uipc_usrreq.c:875 #2 uipc_dgram_send+0x200 sys/kern/uipc_usrreq.c:609 #3 sosend+0xb45 sys/kern/uipc_socket.c:-1 #4 sendit+0x9e5 sys/kern/uipc_syscalls.c:785 #5 sys_sendto+0x192 sys/kern/uipc_syscalls.c:563 #6 syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0x118e sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000018710a0) #0 witness_lock+0x534 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x534 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x4e4 sys/kern/kern_rwlock.c:320 #2 sblock+0xbf sys/kern/uipc_socket2.c:536 #3 sosend+0x3f6 sys/kern/uipc_socket.c:639 #4 sendit+0x9e5 sys/kern/uipc_syscalls.c:785 #5 sys_sendto+0x192 sys/kern/uipc_syscalls.c:563 #6 syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0x118e sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 Process 12658 (systqmp) thread 0xffff800045ffe000 (411036) shared rwlock systqmp r = 0 (0xffffffff854c5518) #0 witness_lock+0x534 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x534 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x1da sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11061 12242K 12394K 166960K 12258 0 pcb 19 24K 24K 166960K 39 0 rtable 237 15K 30K 166960K 587 0 pf 34 22K 27K 166960K 75 0 ifaddr 44 12K 14K 166960K 85 0 ifgroup 56 2K 2K 166960K 103 0 sysctl 2 1K 13K 166960K 6 0 counters 72 43K 44K 166960K 102 0 ioctlops 3 2K 197K 166960K 1520 0 iov 1 2K 18K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 1 0K 0K 166960K 5 0 vnodes 1322 85K 87K 166960K 1535 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 2 2K 6K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 11 0K 1K 166960K 12 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 413K 166960K 11964 0 file desc 21 67K 117K 166960K 386 0 proc 90 65K 181K 166960K 800 0 subproc 86 10K 14K 166960K 158 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 6 0K 0K 166960K 8 0 in_multi 99 7K 8K 166960K 187 0 ether_multi 1 0K 0K 166960K 1 0 mrt 2 0K 0K 166960K 14 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 55 384K 384K 166960K 55 0 exec 12 3K 18K 166960K 495 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 14 124K 124K 166960K 15 0 UVM amap 443 188K 365K 166960K 4868 0 UVM aobj 10 4K 4K 166960K 10 0 pinsyscall 92 171K 383K 166960K 1736 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 7 0 NDP 15 0K 2K 166960K 58 0 temp 431 9273K 9471K 166960K 5150 0 kqueue 17 56K 84K 166960K 53 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 51 0 51 1 0 1 1 0 8 1 rtentry 176 200 0 112 6 0 6 6 0 8 0 unpcb 144 300 0 297 2 0 2 2 0 8 1 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 17 0 16 1 0 1 1 0 8 0 arp 136 34 0 20 1 0 1 1 0 8 0 inpcb 328 181 0 177 2 0 2 2 0 8 1 nd6 152 49 0 31 1 0 1 1 0 8 0 kcovpl 48 17 0 10 1 0 1 1 0 8 0 ppxss 1192 6 0 6 1 0 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 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 1 0 1 0 8 0 pfstitem 24 44 0 0 1 0 1 1 0 8 0 pfstkey 128 44 0 0 2 0 2 2 0 8 0 pfstate 448 44 0 0 5 0 5 5 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 809 0 442 30 1 29 29 0 8 3 art_table 40 810 0 442 5 0 5 5 0 8 0 art_node 32 200 0 111 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 72 9 0 0 1 0 1 1 0 8 0 shmpl 120 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1784 0 292 94 0 94 94 0 8 0 ffsino 296 1784 0 292 115 0 115 115 0 8 0 nchpl 144 2160 0 428 65 0 65 65 0 8 0 vnodes 216 2010 0 0 112 0 112 112 0 8 0 namei 1024 8618 0 8617 4 3 1 2 0 8 0 percpumem 16 67 0 18 1 0 1 1 0 8 0 kstatmem 264 55 0 32 2 0 2 2 0 8 0 scxspl 216 8111 0 8111 10 5 5 8 1 8 5 plimitpl 152 53 0 41 1 0 1 1 0 8 0 sigapl 424 672 0 634 7 1 6 7 0 8 0 knotepl 120 136 0 0 5 0 5 5 0 8 0 kqueuepl 224 68 0 67 1 0 1 1 0 8 0 pipepl 344 186 0 159 3 0 3 3 0 8 0 fdescpl 528 655 0 634 3 0 3 3 0 8 0 filepl 160 2676 0 2515 12 0 12 12 0 8 1 lockfpl 104 75 0 75 1 0 1 1 0 8 1 lockfspl 48 32 0 32 1 0 1 1 0 8 1 sessionpl 144 38 0 34 1 0 1 1 0 8 0 pgrppl 48 57 0 45 1 0 1 1 0 8 0 ucredpl 104 255 0 250 1 0 1 1 0 8 0 zombiepl 144 634 0 634 1 0 1 1 0 8 1 processpl 1240 672 0 634 5 0 5 5 0 8 0 procpl 664 928 0 878 6 0 6 6 0 8 1 sockpl 752 534 0 527 7 0 7 7 0 8 5 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mextrefs 64 21 0 0 1 0 1 1 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 193 0 0 13 0 13 13 0 8 0 bufpl 272 2645 0 89 171 0 171 171 0 8 0 anonpl 32 3671 0 0 30 0 30 30 0 222 0 amapchunkpl 152 13734 0 13353 21 0 21 21 0 158 3 amappl16 200 1749 0 1737 5 3 2 5 0 8 0 amappl15 192 62 0 62 1 0 1 1 0 8 1 amappl14 184 511 0 510 1 0 1 1 0 8 0 amappl13 176 136 0 133 1 0 1 1 0 8 0 amappl12 168 946 0 927 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 0 1 1 0 8 1 amappl10 152 67 0 63 1 0 1 1 0 8 0 amappl9 144 285 0 285 1 0 1 1 0 8 1 amappl8 136 142 0 141 1 0 1 1 0 8 0 amappl7 128 159 0 155 1 0 1 1 0 8 0 amappl6 120 163 0 162 1 0 1 1 0 8 0 amappl5 112 170 0 166 1 0 1 1 0 8 0 amappl4 104 330 0 323 1 0 1 1 0 8 0 amappl3 96 2750 0 2662 4 0 4 4 0 8 0 amappl2 88 477 0 461 2 0 2 2 0 8 0 amappl1 80 11852 0 11679 16 2 14 15 0 8 2 amappl 88 4024 0 3896 5 0 5 5 0 92 0 uvmvnodes 80 104 0 0 3 0 3 3 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 655 0 634 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 655 0 634 1 0 1 1 0 8 0 vmmpekpl 168 7318 0 7286 3 0 3 3 0 8 0 vmmpepl 168 51142 0 50183 88 0 88 88 0 357 37 vmsppl 488 654 0 634 6 1 5 5 0 8 1 rwobjpl 80 17513 0 16991 24 0 24 24 0 8 2 pdppl 4096 1319 0 1268 105 32 73 87 0 8 22 pvpl 32 10416 0 0 86 2 84 85 0 265 0 pmappl 256 654 0 634 4 1 3 3 0 8 0 extentpl 40 47 0 29 1 0 1 1 0 8 0 phpool 120 460 0 42 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1f: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff85214ff0) at x86_ipi_db+0x1f sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0xfd sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff85601e80) at __mp_lock+0x27a __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85601e80) at __mp_lock+0x27a sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x250 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff85601e80) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85601e80) at __mp_lock+0x272 sys/kern/kern_lock.c:173 ktrsysret(ffff8000298b8a78,5b,0,ffff800029a76ca0) at ktrsysret+0x19b ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrsysret(ffff8000298b8a78,5b,0,ffff800029a76ca0) at ktrsysret+0x19b sys/kern/kern_ktrace.c:209 syscall(ffff800029a76d30) at syscall+0x4b0 mi_syscall_return sys/sys/syscall_mi.h:204 [inline] syscall(ffff800029a76d30) at syscall+0x4b0 sys/arch/amd64/amd64/trap.c:812 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x711cc163ab30, count: -11 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x17: popq %rbp ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 witness_checkorder(ffff8000019ea9e8,9,0) at witness_checkorder+0x17f2 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffff8000019ea9d0,1) at rw_do_enter_write+0xb8 sys/kern/kern_rwlock.c:234 rrw_enter(ffff8000019ea9d0,1) at rrw_enter+0xf5 sys/kern/kern_rwlock.c:621 VOP_LOCK(ffff800001bdd5f8,2001) at VOP_LOCK+0x186 sys/kern/vfs_vops.c:527 vn_lock(ffff800001bdd5f8,2001) at vn_lock+0xba sys/kern/vfs_vnops.c:576 vfs_lookup(ffff800029955b20) at vfs_lookup+0x1da sys/kern/vfs_lookup.c:431 namei(ffff800029955b20) at namei+0xcba sys/kern/vfs_lookup.c:250 unp_connect(ffff800001870eb8,fffffd8066805300,ffff80002989a010) at unp_connect+0x2eb sys/kern/uipc_usrreq.c:875 uipc_dgram_send(ffff800001870eb8,fffffd8066ac7600,fffffd8066805300,0) at uipc_dgram_send+0x200 sys/kern/uipc_usrreq.c:609 sosend(ffff800001870eb8,fffffd8066805300,ffff800029955f40,0,0,400) at sosend+0xb45 sys/kern/uipc_socket.c:-1 sendit(ffff80002989a010,3,ffff8000299560c0,400,ffff8000299562a0) at sendit+0x9e5 sys/kern/uipc_syscalls.c:785 sys_sendto(ffff80002989a010,ffff800029956330,ffff8000299562a0) at sys_sendto+0x192 sys/kern/uipc_syscalls.c:563 syscall(ffff800029956330) at syscall+0x118e mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800029956330) at syscall+0x118e sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xbd0df2cbdd0, count: -15 ddb{1}>