panic: lock (rwlock) solock not locked Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 513481 383 0 0 0 0 syz-executor.3 *264310 6685 0 0x10 0x4000000 1K syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd806fb435e8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd806fb433e8,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd806fb433e8,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd806fb433e8,3,ffffffff,fffffd8069b72010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd806fb433e8,ffff,1023,fffffd806d52bc00) at sosetopt+0x7f4 sys_setsockopt(ffff8000fffea7f0,ffff800026198d08,ffff800026198d50) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff800026198dd0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800026198dd0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x67aa8ec7d00, count: 6 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: lock (rwlock) solock not locked ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd806fb435e8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd806fb433e8,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd806fb433e8,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd806fb433e8,3,ffffffff,fffffd8069b72010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd806fb433e8,ffff,1023,fffffd806d52bc00) at sosetopt+0x7f4 sys_setsockopt(ffff8000fffea7f0,ffff800026198d08,ffff800026198d50) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff800026198dd0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800026198dd0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x67aa8ec7d00, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800026198a00 rbx 0xffff800020dd9b8f rdx 0xffff800000beebc0 rcx 0 rax 0xffff8000fffea7f0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9e6c50fc3f8981d0 r11 0x2b0c27914a29fec9 r12 0xffff800020dd9990 r13 0 r14 0 r15 0x1 rip 0xffffffff81f03e68 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000261989f0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=264310 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffeba50,0xffff8000fffeaaa0 process=0xffff8000fffed4e8 user=0xffff800026193000, vmspace=0xfffffd807422f180 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 89846 135462 0 0 2 0x14200 sosplice 57284 321286 39279 0 2 0 syz-executor.5 57284 496003 39279 0 3 0x4000000 biowait syz-executor.5 85680 160365 51613 0 2 0 syz-executor.4 85680 195029 51613 0 3 0x4000080 fsleep syz-executor.4 383 513481 14029 0 7 0 syz-executor.3 383 272892 14029 0 2 0x4000000 syz-executor.3 63838 316141 98896 0 2 0 syz-executor.0 6685 84770 32137 0 2 0x10 syz-executor.1 * 6685 264310 32137 0 7 0x4000010 syz-executor.1 46890 81473 0 0 3 0x14280 nfsidl nfsio 70902 308545 0 0 3 0x14280 nfsidl nfsio 87660 8072 0 0 3 0x14280 nfsidl nfsio 11781 43530 0 0 3 0x14280 nfsidl nfsio 19488 417265 0 0 3 0x14280 nfsidl nfsio 36375 194841 0 0 3 0x14280 nfsidl nfsio 23146 60203 0 0 3 0x14280 nfsidl nfsio 87433 364167 0 0 3 0x14280 nfsidl nfsio 41016 495307 0 0 3 0x14280 nfsidl nfsio 33354 70374 0 0 3 0x14280 nfsidl nfsio 80229 269953 0 0 3 0x14280 nfsidl nfsio 66235 362116 0 0 3 0x14280 nfsidl nfsio 80626 387391 0 0 3 0x14280 nfsidl nfsio 74364 156668 0 0 3 0x14280 nfsidl nfsio 8035 464802 0 0 3 0x14280 nfsidl nfsio 49453 178962 0 0 3 0x14280 nfsidl nfsio 65999 248976 0 0 3 0x14280 nfsidl nfsio 8770 327601 0 0 3 0x14280 nfsidl nfsio 1943 393693 0 0 3 0x14280 nfsidl nfsio 70749 337541 0 0 3 0x14280 nfsidl nfsio 39486 222944 39556 0 2 0x2 syz-executor.7 51613 101339 39556 0 3 0x82 nanoslp syz-executor.4 9856 349914 39556 0 3 0x82 nanoslp syz-executor.6 39279 86965 39556 0 3 0x82 nanoslp syz-executor.5 14029 383892 39556 0 3 0x82 nanoslp syz-executor.3 32137 517457 39556 0 3 0x82 nanoslp syz-executor.1 10778 154529 39556 0 2 0x2 syz-executor.2 98896 279554 39556 0 3 0x82 nanoslp syz-executor.0 39556 480257 22874 0 3 0x82 thrsleep syz-fuzzer 39556 466525 22874 0 3 0x4000082 thrsleep syz-fuzzer 39556 65659 22874 0 3 0x4000082 thrsleep syz-fuzzer 39556 125485 22874 0 3 0x4000082 wait syz-fuzzer 39556 521137 22874 0 3 0x4000082 wait syz-fuzzer 39556 265420 22874 0 3 0x4000082 wait syz-fuzzer 39556 68254 22874 0 3 0x4000082 thrsleep syz-fuzzer 39556 1869 22874 0 3 0x4000082 thrsleep syz-fuzzer 39556 9995 22874 0 3 0x4000082 wait syz-fuzzer 39556 67955 22874 0 3 0x4000082 wait syz-fuzzer 39556 402357 22874 0 3 0x4000082 wait syz-fuzzer 39556 218301 22874 0 3 0x4000082 wait syz-fuzzer 39556 111134 22874 0 3 0x4000082 wait syz-fuzzer 39556 149079 22874 0 3 0x4000082 kqread syz-fuzzer 39556 440941 22874 0 3 0x4000082 thrsleep syz-fuzzer 22874 389677 72605 0 3 0x10008a sigsusp ksh 72605 316144 7578 0 3 0x9a kqread sshd 1071 157360 1 0 3 0x100083 ttyin getty 7578 282877 1 0 3 0x88 kqread sshd 80343 287254 17884 74 3 0x1100092 bpf pflogd 17884 158817 1 0 3 0x80 netio pflogd 17673 232225 98507 73 3 0x1100090 kqread syslogd 98507 475375 1 0 3 0x100082 netio syslogd 58186 512770 1 0 3 0x100080 kqread resolvd 57549 286064 36746 77 3 0x100092 kqread dhcpleased 94559 510850 36746 77 3 0x100092 kqread dhcpleased 36746 166050 1 0 3 0x80 kqread dhcpleased 70912 422360 0 0 3 0x14200 bored smr 84711 56680 0 0 2 0x14200 zerothread 83556 301598 0 0 3 0x14200 aiodoned aiodoned 30237 50184 0 0 3 0x14200 syncer update 86617 69916 0 0 3 0x14200 cleaner cleaner 53344 393106 0 0 3 0x14200 reaper reaper 43840 110733 0 0 3 0x14200 pgdaemon pagedaemon 70862 358050 0 0 3 0x14200 bored viomb 60491 119472 0 0 3 0x40014200 acpi0 acpi0 59442 472656 0 0 3 0x40014200 idle1 2661 38587 0 0 3 0x14200 bored softnet 71635 520274 0 0 3 0x14200 bored softnet 48439 326988 0 0 3 0x14200 bored softnet 38329 297992 0 0 3 0x14200 bored softnet 68107 68986 0 0 3 0x14200 bored systqmp 78026 323066 0 0 3 0x14200 bored systq 46158 256443 0 0 3 0x40014200 bored softclock 31788 368651 0 0 3 0x40014200 idle0 1 241134 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 57284 (syz-executor.5) thread 0xffff800021296010 (496003) exclusive rrwlock inode r = 0 (0xfffffd80688482c8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1353 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1150 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:388 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3112 #10 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #10 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068848708) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:465 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:412 #6 namei+0x36a sys/kern/vfs_lookup.c:244 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3097 #8 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 6685 (syz-executor.1) thread 0xffff8000fffea7f0 (264310) exclusive rwlock netlock r = 0 (0xffffffff82991290) #0 witness_lock+0x44d #1 sys_setsockopt+0x1de sys/kern/uipc_syscalls.c:1233 #2 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #2 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #3 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff829ee950) #0 witness_lock+0x44d #1 syscall+0x41d mi_syscall sys/sys/syscall_mi.h:100 [inline] #1 syscall+0x41d sys/arch/amd64/amd64/trap.c:585 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 6669K 6702K 78643K 11410 0 pcb 13 8K 8K 78643K 15 0 rtable 234 6K 6K 78643K 347 0 ifaddr 87 17K 17K 78643K 92 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 4K 78643K 1499 0 iov 0 0K 0K 78643K 9 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1274 80K 80K 78643K 1434 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 11 1K 1K 78643K 11 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 15 53K 89K 78643K 216 0 proc 67 91K 140K 78643K 506 0 subproc 104 6K 6K 78643K 104 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 6 0 in_multi 99 6K 6K 78643K 99 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 2K 78643K 647 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 229 80K 80K 78643K 2869 0 UVM aobj 10 2K 2K 78643K 10 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 12 0K 2K 78643K 28 0 temp 128 4722K 4786K 78643K 3917 0 kqueue 12 18K 20K 78643K 25 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 33 0 30 1 0 1 1 0 8 0 rtentry 112 111 0 1 4 0 4 4 0 8 0 unpcb 144 110 0 91 2 0 2 2 0 8 1 syncache 296 4 0 4 1 1 0 1 0 8 0 tcpqe 32 745 0 745 1 0 1 1 0 8 1 tcpcb 768 16 0 6 2 0 2 2 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 368 85 0 77 2 0 2 2 0 8 1 nd6 48 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 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 pfstitem 24 20 0 0 1 0 1 1 0 8 0 pfstkey 120 20 0 0 1 0 1 1 0 8 0 pfstate 336 20 0 0 2 0 2 2 0 8 0 pfrule 1360 26 0 21 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 452 0 0 29 0 29 29 0 8 0 art_table 32 453 0 0 4 0 4 4 0 8 0 art_node 16 110 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 0 1 0 1 1 0 8 0 semupl 112 1 0 0 1 0 1 1 0 8 0 semapl 112 9 0 0 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1640 0 203 90 0 90 90 0 8 0 ffsino 272 1640 0 203 96 0 96 96 0 8 0 nchpl 144 2018 0 337 63 0 63 63 0 8 0 uvmvnodes 80 1837 0 0 38 0 38 38 0 8 0 vnodes 216 1837 0 0 103 0 103 103 0 8 0 namei 1024 7000 0 6999 2 1 1 2 0 8 0 percpumem 16 40 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 5922 0 5921 2 1 1 2 0 8 0 plimitpl 152 99 0 84 1 0 1 1 0 8 0 sigapl 424 542 0 475 9 1 8 8 0 8 0 futexpl 64 1078 0 1077 1 0 1 1 0 8 0 knotepl 120 120 0 0 4 0 4 4 0 8 0 kqueuepl 216 27 0 19 1 0 1 1 0 8 0 pipepl 320 250 0 222 10 1 9 9 0 8 6 fdescpl 496 504 0 476 5 0 5 5 0 8 1 filepl 152 2562 0 2318 16 0 16 16 0 8 6 lockfpl 104 140 0 138 1 0 1 1 0 8 0 lockfspl 48 71 0 69 1 0 1 1 0 8 0 sessionpl 144 24 0 7 1 0 1 1 0 8 0 pgrppl 48 24 0 7 1 0 1 1 0 8 0 ucredpl 104 291 0 278 1 0 1 1 0 8 0 zombiepl 144 476 0 475 1 0 1 1 0 8 0 processpl 1064 542 0 475 5 0 5 5 0 8 0 procpl 672 739 0 654 10 1 9 9 0 8 1 sosppl 168 2 0 0 1 0 1 1 0 8 0 sockpl 488 228 0 198 5 0 5 5 0 8 1 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 358 0 0 44 0 44 44 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 388 0 0 24 0 24 24 0 8 0 bufpl 288 3715 0 139 256 0 256 256 0 8 0 anonpl 24 78110 0 63182 97 2 95 96 0 186 2 amapchunkpl 152 6866 0 6181 34 2 32 32 0 158 3 amappl16 200 812 0 377 25 1 24 24 0 8 0 amappl15 192 126 0 117 1 0 1 1 0 8 0 amappl14 184 43 0 33 1 0 1 1 0 8 0 amappl13 176 133 0 127 1 0 1 1 0 8 0 amappl12 168 16 0 13 1 0 1 1 0 8 0 amappl11 160 84 0 66 1 0 1 1 0 8 0 amappl10 152 27 0 22 1 0 1 1 0 8 0 amappl9 144 503 0 498 1 0 1 1 0 8 0 amappl8 136 614 0 558 2 0 2 2 0 8 0 amappl7 128 149 0 130 1 0 1 1 0 8 0 amappl6 120 201 0 188 2 1 1 2 0 8 0 amappl5 112 157 0 139 1 0 1 1 0 8 0 amappl4 104 860 0 832 2 0 2 2 0 8 1 amappl3 96 882 0 832 2 0 2 2 0 8 0 amappl2 88 476 0 438 2 0 2 2 0 8 0 amappl1 80 13877 0 13226 20 4 16 20 0 8 1 amappl 88 2416 0 2260 6 1 5 5 0 92 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 24 504 0 476 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 504 0 476 1 0 1 1 0 8 0 vmmpekpl 168 9270 0 9226 3 0 3 3 0 8 0 vmmpepl 168 51298 0 48940 118 0 118 118 0 357 11 vmsppl 368 503 0 476 4 0 4 4 0 8 1 rwobjpl 56 15293 0 12009 47 0 47 47 0 8 0 pdppl 4096 1015 0 952 98 29 69 81 0 8 6 pvpl 32 270344 0 251072 259 4 255 259 0 265 93 pmappl 248 503 0 476 3 0 3 3 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 660 0 33 19 0 19 19 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8296bff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f kd_curproc sys/dev/kcov.c:578 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148 __mp_lock(ffffffff829ee748) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829ee748) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80002b84c530,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f end of kernel end trace frame: 0x7f7ffffde480, count: 8 ddb{0}> trace x86_ipi_db(ffffffff8296bff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f kd_curproc sys/dev/kcov.c:578 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148 __mp_lock(ffffffff829ee748) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff829ee748) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80002b84c530,ffff80000004bd00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f end of kernel end trace frame: 0x7f7ffffde480, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd806fb435e8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd806fb433e8,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd806fb433e8,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd806fb433e8,3,ffffffff,fffffd8069b72010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd806fb433e8,ffff,1023,fffffd806d52bc00) at sosetopt+0x7f4 sys_setsockopt(ffff8000fffea7f0,ffff800026198d08,ffff800026198d50) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff800026198dd0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800026198dd0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x67aa8ec7d00, count: 6 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82583901) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd806fb435e8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd806fb433e8,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd806fb433e8,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd806fb433e8,3,ffffffff,fffffd8069b72010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd806fb433e8,ffff,1023,fffffd806d52bc00) at sosetopt+0x7f4 sys_setsockopt(ffff8000fffea7f0,ffff800026198d08,ffff800026198d50) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff800026198dd0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff800026198dd0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x67aa8ec7d00, count: -9