panic: lock (rwlock) solock not locked Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 48418 97627 32767 0x10 0x4000000 1K syz-executor.2 456514 48927 32767 0x10 0 0 syz-executor.5 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82585177) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd807af2e7b8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd807af2ed58,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd807af2ed58,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd807af2ed58,3,0,fffffd8008785010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd807af2ed58,ffff,1023,fffffd8070bfe700) at sosetopt+0x7f4 sys_setsockopt(ffff8000265ea2b0,ffff80002619df28,ffff80002619df70) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff80002619dff0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002619dff0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe691f67e330, 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(ffffffff82585177) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd807af2e7b8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd807af2ed58,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd807af2ed58,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd807af2ed58,3,0,fffffd8008785010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd807af2ed58,ffff,1023,fffffd8070bfe700) at sosetopt+0x7f4 sys_setsockopt(ffff8000265ea2b0,ffff80002619df28,ffff80002619df70) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff80002619dff0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002619dff0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe691f67e330, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002619dc20 rbx 0xffff800020dd9b8f rdx 0xffff800000bd6e80 rcx 0 rax 0xffff8000265ea2b0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x666fc7bb47839cf r11 0x4a77deac532efe25 r12 0xffff800020dd9990 r13 0 r14 0 r15 0x1 rip 0xffffffff81fd76c8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002619dc10 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) pid=48418 stat=onproc flags process=10 proc=4000000 pri=68, usrpri=68, nice=20 forw=0xffffffffffffffff, list=0xffff8000265eb510,0xffffffff82b7cfd0 process=0xffff8000265e3a48 user=0xffff800026199000, vmspace=0xfffffd80697952f8 estcpu=18, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34940 251193 32129 32767 2 0x10 syz-executor.1 34940 519898 32129 32767 3 0x4000090 fsleep syz-executor.1 34659 500532 47859 32767 3 0x90 nanoslp syz-executor.7 34659 491069 47859 32767 3 0x4000090 fsleep syz-executor.7 33480 287925 97228 32767 3 0x90 nanoslp syz-executor.6 33480 503593 97228 32767 3 0x4000090 netcon2 syz-executor.6 33480 55383 97228 32767 3 0x4000090 fsleep syz-executor.6 97627 469249 93802 32767 2 0x10 syz-executor.2 97627 482926 93802 32767 3 0x4000090 netcon2 syz-executor.2 *97627 48418 93802 32767 7 0x4000010 syz-executor.2 81431 447839 7881 32767 2 0x10 syz-executor.4 81431 99815 7881 32767 3 0x4000090 fsleep syz-executor.4 48927 456514 12840 32767 7 0x10 syz-executor.5 48927 167742 12840 32767 3 0x4000090 lockf syz-executor.5 54064 479471 0 0 3 0x14200 bored sosplice 7881 315066 90637 32767 3 0x90 nanoslp syz-executor.4 47859 69969 27624 32767 3 0x90 nanoslp syz-executor.7 27624 43205 29731 0 3 0x82 wait syz-executor.7 97228 357918 23407 32767 3 0x90 nanoslp syz-executor.6 23407 205190 29731 0 3 0x82 wait syz-executor.6 93802 296399 7062 32767 3 0x90 nanoslp syz-executor.2 12840 79098 78438 32767 3 0x90 nanoslp syz-executor.5 78438 385888 29731 0 3 0x82 wait syz-executor.5 90637 409315 29731 0 3 0x82 wait syz-executor.4 32129 518148 66498 32767 3 0x90 nanoslp syz-executor.1 69250 223678 50183 32767 3 0x10 biowait syz-executor.3 7062 483911 29731 0 3 0x82 wait syz-executor.2 38575 165781 10415 32767 3 0x10 getblk syz-executor.0 66498 327928 29731 0 3 0x82 wait syz-executor.1 50183 136213 29731 0 3 0x82 wait syz-executor.3 10415 457544 29731 0 3 0x82 wait syz-executor.0 29731 150775 32612 0 3 0x82 wait syz-fuzzer 29731 84708 32612 0 3 0x4000082 nanoslp syz-fuzzer 29731 135794 32612 0 3 0x4000082 thrsleep syz-fuzzer 29731 263698 32612 0 3 0x4000082 wait syz-fuzzer 29731 262201 32612 0 3 0x4000082 thrsleep syz-fuzzer 29731 378866 32612 0 3 0x4000082 wait syz-fuzzer 29731 386536 32612 0 3 0x4000082 wait syz-fuzzer 29731 296238 32612 0 3 0x4000082 thrsleep syz-fuzzer 29731 74164 32612 0 3 0x4000082 thrsleep syz-fuzzer 29731 514582 32612 0 3 0x4000082 wait syz-fuzzer 29731 144966 32612 0 3 0x4000082 wait syz-fuzzer 29731 59388 32612 0 3 0x4000082 wait syz-fuzzer 29731 225309 32612 0 3 0x4000082 wait syz-fuzzer 29731 429994 32612 0 3 0x4000082 thrsleep syz-fuzzer 29731 54765 32612 0 3 0x4000082 kqread syz-fuzzer 29731 26555 32612 0 3 0x4000082 nanoslp syz-fuzzer 32612 78521 70290 0 3 0x10008a sigsusp ksh 70290 181164 88558 0 3 0x9a kqread sshd 53268 485163 1 0 3 0x100083 ttyin getty 88558 430383 1 0 3 0x88 kqread sshd 80956 39553 46573 73 3 0x1100090 kqread syslogd 46573 45176 1 0 3 0x100082 netio syslogd 22694 443130 1 0 3 0x100080 kqread resolvd 435 94255 13257 77 3 0x100092 kqread dhcpleased 66033 91276 13257 77 3 0x100092 kqread dhcpleased 13257 55857 1 0 3 0x80 kqread dhcpleased 20764 354902 0 0 3 0x14200 bored smr 8698 273389 0 0 2 0x14200 zerothread 9399 51032 0 0 3 0x14200 aiodoned aiodoned 77641 265472 0 0 3 0x14200 syncer update 39354 109639 0 0 3 0x14200 cleaner cleaner 32739 47370 0 0 3 0x14200 reaper reaper 10838 420338 0 0 3 0x14200 pgdaemon pagedaemon 32574 370665 0 0 3 0x14200 bored viomb 49022 188013 0 0 3 0x40014200 acpi0 acpi0 97853 469682 0 0 3 0x40014200 idle1 75165 311261 0 0 3 0x14200 bored softnet 80347 84403 0 0 3 0x14200 bored softnet 37828 356394 0 0 3 0x14200 bored softnet 79773 178757 0 0 3 0x14200 bored softnet 84316 185931 0 0 3 0x14200 bored systqmp 37032 400671 0 0 3 0x14200 bored systq 35203 177687 0 0 3 0x40014200 bored softclock 26103 51644 0 0 3 0x40014200 idle0 1 393116 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 97627 (syz-executor.2) thread 0xffff8000265ea2b0 (48418) exclusive rwlock netlock r = 0 (0xffffffff82971a40) #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 (0xffffffff82a8d100) #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 Process 69250 (syz-executor.3) thread 0xffff8000212b02a0 (223678) exclusive rrwlock inode r = 0 (0xfffffd80709b32c8) #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 (0xfffffd806926d1a8) #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 38575 (syz-executor.0) thread 0xffff8000212b0540 (165781) exclusive rrwlock inode r = 0 (0xfffffd80709b3b48) #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 vget+0x1fc sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1324 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:560 #11 namei+0x36a sys/kern/vfs_lookup.c:244 #12 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #13 syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] #13 syscall+0x435 sys/arch/amd64/amd64/trap.c:585 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806926df78) #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 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1848 #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10210 6411K 6420K 78643K 11301 0 pcb 13 12K 14K 78643K 17 0 rtable 236 6K 6K 78643K 392 0 ifaddr 82 16K 16K 78643K 84 0 sysctl 2 0K 2K 78643K 6 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 2K 78643K 37 0 iov 0 0K 20K 78643K 1161 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1270 79K 79K 78643K 1698 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 9K 78643K 55 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 5947 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 24 89K 117K 78643K 5613 0 sigio 0 0K 0K 78643K 56 0 proc 56 78K 103K 78643K 586 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 767 0 in_multi 99 6K 6K 78643K 134 0 ether_multi 1 0K 0K 78643K 10 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 205 917K 917K 78643K 205 0 exec 0 0K 2K 78643K 916 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 276 83K 94K 78643K 33982 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 58 0 NDP 11 0K 2K 78643K 27 0 temp 124 4726K 4790K 78643K 14826 0 kqueue 12 18K 26K 78643K 177 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 120 166 0 163 3 2 1 2 0 8 0 rtentry 112 113 0 2 4 0 4 4 0 8 0 unpcb 144 7027 0 7010 22 21 1 6 0 8 0 syncache 296 30 0 30 7 6 1 1 0 8 1 tcpqe 32 255 0 255 5 5 0 1 0 8 0 tcpcb 768 2031 0 2019 63 57 6 16 0 8 4 arp 120 19 0 0 1 0 1 1 0 8 0 ipq 40 14 0 13 4 3 1 1 0 8 0 ipqe 40 36 0 35 4 3 1 1 0 8 0 inpcb 368 4120 0 4106 68 63 5 14 0 8 3 nd6 48 25 0 1 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 455 0 2 29 0 29 29 0 8 0 art_table 32 456 0 2 4 0 4 4 0 8 0 art_node 16 112 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semupl 112 8 0 8 1 1 0 1 0 8 0 semapl 112 5945 0 5935 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 7687 0 6253 90 0 90 90 0 8 0 ffsino 272 7687 0 6253 96 0 96 96 0 8 0 nchpl 144 14544 0 12869 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 38844 0 38843 3 2 1 2 0 8 0 percpumem 16 40 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 44993 0 44992 15 14 1 8 0 8 0 plimitpl 152 299 0 277 1 0 1 1 0 8 0 sigapl 424 5899 0 5846 7 0 7 7 0 8 0 futexpl 64 64247 0 64243 2 1 1 1 0 8 0 knotepl 120 731 0 0 19 2 17 17 0 8 0 kqueuepl 216 454 0 445 7 6 1 5 0 8 0 pipepl 320 479 0 451 15 12 3 10 0 8 0 fdescpl 496 5881 0 5846 7 1 6 6 0 8 0 filepl 152 26031 0 25784 50 39 11 19 0 8 1 lockfpl 104 404 0 399 1 0 1 1 0 8 0 lockfspl 48 131 0 127 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 101 0 85 1 0 1 1 0 8 0 ucredpl 104 2863 0 2845 1 0 1 1 0 8 0 zombiepl 144 5846 0 5846 1 0 1 1 0 8 1 processpl 1064 5899 0 5846 5 1 4 5 0 8 0 procpl 672 16422 0 16346 13 6 7 8 0 8 0 sosppl 168 262 0 258 5 4 1 1 0 8 0 sockpl 488 11483 0 11451 167 158 9 27 0 8 5 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 12 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 361 0 0 46 4 42 46 0 8 1 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 787 0 0 37 0 37 37 0 8 0 bufpl 288 10479 0 4149 453 0 453 453 0 8 0 anonpl 24 1081331 0 1068388 175 85 90 106 0 186 3 amapchunkpl 152 96990 0 96326 47 19 28 37 0 158 0 amappl16 200 14572 0 14207 73 53 20 32 0 8 0 amappl15 192 2243 0 2231 1 0 1 1 0 8 0 amappl14 184 54 0 46 1 0 1 1 0 8 0 amappl13 176 742 0 740 1 0 1 1 0 8 0 amappl12 168 1320 0 1311 1 0 1 1 0 8 0 amappl11 160 81 0 67 1 0 1 1 0 8 0 amappl10 152 699 0 696 1 0 1 1 0 8 0 amappl9 144 1203 0 1197 1 0 1 1 0 8 0 amappl8 136 648 0 569 4 1 3 3 0 8 0 amappl7 128 132 0 113 1 0 1 1 0 8 0 amappl6 120 941 0 923 2 1 1 2 0 8 0 amappl5 112 5045 0 5023 1 0 1 1 0 8 0 amappl4 104 876 0 846 2 0 2 2 0 8 0 amappl3 96 19133 0 19064 3 1 2 3 0 8 0 amappl2 88 2041 0 2004 2 1 1 2 0 8 0 amappl1 80 146088 0 145341 24 7 17 19 0 8 0 amappl 88 33404 0 33230 5 0 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 5881 0 5846 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5881 0 5846 1 0 1 1 0 8 0 vmmpekpl 168 45074 0 45015 3 0 3 3 0 8 0 vmmpepl 168 569041 0 566283 183 55 128 139 0 357 3 vmsppl 368 5880 0 5846 4 0 4 4 0 8 0 rwobjpl 56 145085 0 137625 110 4 106 109 0 8 0 pdppl 4096 11769 0 11692 177 96 81 93 0 8 4 pvpl 32 2115025 0 2096752 336 166 170 246 0 265 18 pmappl 248 5880 0 5846 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1022 0 167 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff829b9ff0) 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 __mp_lock(ffffffff82a8cef8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a8cef8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000265f7f50,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: 0x7f7ffffe7f10, count: 9 ddb{0}> trace x86_ipi_db(ffffffff829b9ff0) 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 __mp_lock(ffffffff82a8cef8) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a8cef8) at __mp_lock+0x122 sys/kern/kern_lock.c:147 intr_handler(ffff8000265f7f50,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: 0x7f7ffffe7f10, count: -6 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(ffffffff82585177) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd807af2e7b8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd807af2ed58,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd807af2ed58,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd807af2ed58,3,0,fffffd8008785010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd807af2ed58,ffff,1023,fffffd8070bfe700) at sosetopt+0x7f4 sys_setsockopt(ffff8000265ea2b0,ffff80002619df28,ffff80002619df70) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff80002619dff0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002619dff0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe691f67e330, count: 6 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82585177) at panic+0x177 sys/kern/subr_prf.c:198 witness_assert(fffffd807af2e7b8,4) at witness_assert+0x3ef sys/kern/subr_witness.c:1950 somove(fffffd807af2ed58,1) at somove+0x25d sbspace sys/sys/socketvar.h:209 [inline] somove(fffffd807af2ed58,1) at somove+0x25d sys/kern/uipc_socket.c:1487 sosplice(fffffd807af2ed58,3,0,fffffd8008785010) at sosplice+0x50b sys/kern/uipc_socket.c:1346 sosetopt(fffffd807af2ed58,ffff,1023,fffffd8070bfe700) at sosetopt+0x7f4 sys_setsockopt(ffff8000265ea2b0,ffff80002619df28,ffff80002619df70) at sys_setsockopt+0x1f6 sys/kern/uipc_syscalls.c:1233 syscall(ffff80002619dff0) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002619dff0) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xe691f67e330, count: -9