panic: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *164906 6864 32767 0x10 0x4000000 0 syz-executor.7 476076 61415 0 0x14000 0x200 1 reaper db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c2f80) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82b83710,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 rt_clone(ffff80002ca9afc8,fffffd807e2cc668,0) at rt_clone+0x5c sys/net/route.c:257 rtalloc_mpath(fffffd807e2cc668,fffffd807e2cc630,0) at rtalloc_mpath+0xbc rt_match sys/net/route.c:235 [inline] rtalloc_mpath(fffffd807e2cc668,fffffd807e2cc630,0) at rtalloc_mpath+0xbc sys/net/route.c:350 in_pcbrtentry(fffffd807e2cc5e0) at in_pcbrtentry+0x1cf ip6_ctloutput(0,fffffd807580a7a8,29,2c,fffffd8067e52600) at ip6_ctloutput+0x1079 sys/netinet6/ip6_output.c:1511 sys_getsockopt(ffff8000ffff5500,ffff80002ca9b1b8,ffff80002ca9b200) at sys_getsockopt+0x15e sys/kern/uipc_syscalls.c:1275 syscall(ffff80002ca9b280) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002ca9b280) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x180c0dca650, count: 4 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c2f80) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82b83710,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 rt_clone(ffff80002ca9afc8,fffffd807e2cc668,0) at rt_clone+0x5c sys/net/route.c:257 rtalloc_mpath(fffffd807e2cc668,fffffd807e2cc630,0) at rtalloc_mpath+0xbc rt_match sys/net/route.c:235 [inline] rtalloc_mpath(fffffd807e2cc668,fffffd807e2cc630,0) at rtalloc_mpath+0xbc sys/net/route.c:350 in_pcbrtentry(fffffd807e2cc5e0) at in_pcbrtentry+0x1cf ip6_ctloutput(0,fffffd807580a7a8,29,2c,fffffd8067e52600) at ip6_ctloutput+0x1079 sys/netinet6/ip6_output.c:1511 sys_getsockopt(ffff8000ffff5500,ffff80002ca9b1b8,ffff80002ca9b200) at sys_getsockopt+0x15e sys/kern/uipc_syscalls.c:1275 syscall(ffff80002ca9b280) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002ca9b280) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x180c0dca650, count: -11 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002ca9acf0 rbx 0xffffffff82923b8f cpu_info_full_primary+0x2b8f rdx 0xffff800000bda700 rcx 0 rax 0xffff8000ffff5500 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1d5da07e1152082e r11 0x53a9d76fb17c0102 r12 0xffffffff82923990 cpu_info_full_primary+0x2990 r13 0 r14 0 r15 0x1 rip 0xffffffff81c23758 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002ca9ace0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) pid=164906 stat=onproc flags process=10 proc=4000000 pri=32, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2008,0xffff8000ffff57b0 process=0xffff800027c3b258 user=0xffff80002ca96000, vmspace=0xfffffd80712b8e70 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90375 115133 18322 32767 2 0x10 syz-executor.5 90375 68888 18322 32767 3 0x4000090 fsleep syz-executor.5 6864 397260 64640 32767 2 0x10 syz-executor.7 * 6864 164906 64640 32767 7 0x4000010 syz-executor.7 91942 260254 23130 32767 3 0x90 nanoslp syz-executor.4 91942 497662 23130 32767 3 0x4000090 fsleep syz-executor.4 72427 521284 91917 32767 2 0x10 syz-executor.2 72427 266859 91917 32767 3 0x4000010 biowait syz-executor.2 72427 449961 91917 32767 2 0x4000010 syz-executor.2 4592 92728 50359 32767 2 0x10 syz-executor.0 62161 397318 73583 32767 3 0x90 nanoslp syz-executor.3 73583 1350 58230 0 3 0x82 wait syz-executor.3 23130 286928 87171 32767 3 0x90 nanoslp syz-executor.4 87171 32177 58230 0 3 0x82 wait syz-executor.4 91917 319338 56369 32767 3 0x90 nanoslp syz-executor.2 56369 361017 58230 0 3 0x82 wait syz-executor.2 55980 154031 69544 32767 3 0x90 nanoslp syz-executor.1 69544 351415 58230 0 3 0x82 wait syz-executor.1 20479 187869 0 0 3 0x14200 bored sosplice 18322 25663 5761 32767 3 0x90 nanoslp syz-executor.5 5761 279536 58230 0 3 0x82 wait syz-executor.5 64640 365320 59355 32767 3 0x90 nanoslp syz-executor.7 44959 482262 78515 32767 2 0x10 syz-executor.6 59355 207907 58230 0 3 0x82 wait syz-executor.7 78515 33708 58230 0 3 0x82 wait syz-executor.6 50359 379516 19390 32767 3 0x90 nanoslp syz-executor.0 19390 242332 58230 0 3 0x82 wait syz-executor.0 58230 487675 85595 0 3 0x82 thrsleep syz-fuzzer 58230 24438 85595 0 3 0x4000082 nanoslp syz-fuzzer 58230 115682 85595 0 3 0x4000082 wait syz-fuzzer 58230 391605 85595 0 3 0x4000082 wait syz-fuzzer 58230 82596 85595 0 3 0x4000082 thrsleep syz-fuzzer 58230 159046 85595 0 3 0x4000082 thrsleep syz-fuzzer 58230 424469 85595 0 3 0x4000082 thrsleep syz-fuzzer 58230 354676 85595 0 3 0x4000082 thrsleep syz-fuzzer 58230 32391 85595 0 3 0x4000082 thrsleep syz-fuzzer 58230 182190 85595 0 3 0x4000082 wait syz-fuzzer 58230 523167 85595 0 3 0x4000082 wait syz-fuzzer 58230 195352 85595 0 3 0x4000082 wait syz-fuzzer 58230 154175 85595 0 3 0x4000082 kqread syz-fuzzer 58230 158487 85595 0 3 0x4000082 wait syz-fuzzer 58230 346418 85595 0 3 0x4000082 wait syz-fuzzer 58230 322349 85595 0 3 0x4000082 wait syz-fuzzer 85595 452592 86893 0 3 0x10008a sigsusp ksh 86893 358707 12680 0 3 0x9a kqread sshd 24153 196425 1 0 3 0x100083 ttyin getty 12680 97118 1 0 3 0x88 kqread sshd 52066 104247 80521 73 3 0x1100090 kqread syslogd 80521 101497 1 0 3 0x100082 netio syslogd 96698 445220 1 0 3 0x100080 kqread resolvd 20811 272836 38623 77 3 0x100092 kqread dhcpleased 32733 414601 38623 77 3 0x100092 kqread dhcpleased 38623 187223 1 0 3 0x80 kqread dhcpleased 11180 401341 0 0 3 0x14200 bored smr 94807 373701 0 0 2 0x14200 zerothread 36903 405904 0 0 3 0x14200 aiodoned aiodoned 87801 112499 0 0 3 0x14200 syncer update 22654 97408 0 0 3 0x14200 cleaner cleaner 61415 476076 0 0 7 0x14200 reaper 82381 494211 0 0 3 0x14200 pgdaemon pagedaemon 64603 512025 0 0 3 0x14200 bored viomb 65933 500862 0 0 3 0x40014200 acpi0 acpi0 37093 198414 0 0 3 0x40014200 idle1 14592 73020 0 0 3 0x14200 bored softnet 41938 205318 0 0 3 0x14200 bored softnet 97923 262649 0 0 3 0x14200 bored softnet 12181 69424 0 0 3 0x14200 bored softnet 91411 141449 0 0 3 0x14200 bored systqmp 3786 197881 0 0 3 0x14200 bored systq 21231 516620 0 0 3 0x40014200 bored softclock 42986 288459 0 0 3 0x40014200 idle0 1 291613 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &inp->inp_mtx r = 0 (0xfffffd807e2cc6a0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 sys_getsockopt+0x145 sys/kern/uipc_syscalls.c:1275 #4 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #4 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #5 Xsyscall+0x128 CPU 1: exclusive mutex &uvm.pageqlock r = 0 (0xffffffff82a9afc0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 uvm_anfree_list+0xa4 sys/uvm/uvm_anon.c:104 #4 amap_wipeout+0x1b1 sys/uvm/uvm_amap.c:504 #5 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1366 #6 uvm_map_teardown+0x28d sys/uvm/uvm_map.c:2598 #7 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 #8 reaper+0x19a sys/kern/kern_exit.c:448 #9 proc_trampoline+0x1c Process 6864 (syz-executor.7) thread 0xffff8000ffff5500 (164906) shared rwlock netlock r = 0 (0xffffffff829bb010) #0 witness_lock+0x44d #1 solock_shared+0x64 pru_lock sys/sys/protosw.h:287 [inline] #1 solock_shared+0x64 sys/kern/uipc_socket2.c:371 #2 sys_getsockopt+0x145 sys/kern/uipc_syscalls.c:1275 #3 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #3 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #4 Xsyscall+0x128 exclusive mutex &inp->inp_mtx r = 0 (0xfffffd807e2cc6a0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 sys_getsockopt+0x145 sys/kern/uipc_syscalls.c:1275 #4 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #4 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #5 Xsyscall+0x128 Process 72427 (syz-executor.2) thread 0xffff8000ffff2d28 (266859) exclusive rrwlock inode r = 0 (0xfffffd806e45e4e8) #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 vn_write+0x123 sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x19c sys/kern/sys_generic.c:375 #7 sys_writev+0xa7 sys/kern/sys_generic.c:322 #8 syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] #8 syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 #9 Xsyscall+0x128 Process 61415 (reaper) thread 0xffff800021232d28 (476076) exclusive rwlock amaplk r = 0 (0xfffffd805bf44208) #0 witness_lock+0x44d #1 amap_unref+0x2b sys/uvm/uvm_amap.c:1363 #2 uvm_unmap_detach+0x7d sys/uvm/uvm_map.c:1366 #3 uvm_map_teardown+0x28d sys/uvm/uvm_map.c:2598 #4 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3513 #5 reaper+0x19a sys/kern/kern_exit.c:448 #6 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 6413K 6420K 78643K 11346 0 pcb 13 16K 20K 78643K 19 0 rtable 260 7K 7K 78643K 1383 0 ifaddr 71 16K 16K 78643K 141 0 sysctl 3 1K 2K 78643K 38 0 counters 60 35K 35K 78643K 82 0 ioctlops 0 0K 2K 78643K 338 0 iov 1 8K 32K 78643K 5747 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1272 80K 80K 78643K 5256 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 227 0 VM map 2 1K 1K 78643K 2 0 sem 12 1K 1K 78643K 1350 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 23 85K 121K 78643K 13983 0 sigio 0 0K 0K 78643K 520 0 proc 56 78K 115K 78643K 1652 0 subproc 104 6K 6K 78643K 247 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 34995 0 in_multi 99 6K 7K 78643K 483 0 ether_multi 1 0K 0K 78643K 58 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 235 1049K 1049K 78643K 235 0 exec 0 0K 1K 78643K 2802 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 431 97K 994K 78643K 102271 0 UVM aobj 131 7K 7K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 2 0K 0K 78643K 411 0 NDP 11 0K 2K 78643K 60 0 temp 124 4694K 4822K 78643K 36769 0 kqueue 12 18K 29K 78643K 1254 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 1677 0 1674 24 22 2 4 0 8 1 rtentry 112 253 0 130 4 0 4 4 0 8 0 unpcb 144 15727 0 15713 118 113 5 11 0 8 4 syncache 296 175 0 175 28 28 0 1 0 8 0 tcpqe 32 149 0 149 25 25 0 1 0 8 0 tcpcb 776 20425 0 20412 249 239 10 22 0 8 8 arp 120 41 0 22 1 0 1 1 0 8 0 ipq 40 18 0 18 7 7 0 1 0 8 0 ipqe 40 230 0 230 7 7 0 1 0 8 0 inpcb 368 27817 0 27800 256 245 11 20 0 8 8 ip6q 72 3 0 3 1 1 0 1 0 8 0 ip6af 40 9 0 9 1 1 0 1 0 8 0 nd6 48 77 0 41 1 0 1 1 0 8 0 kcovpl 48 19 0 11 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1020 0 505 35 2 33 33 0 8 0 art_table 32 1021 0 505 5 0 5 5 0 8 0 art_node 16 252 0 139 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 1 1 0 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 1348 0 1338 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 21876 0 20402 93 0 93 93 0 8 0 ffsino 272 21876 0 20402 99 0 99 99 0 8 0 nchpl 144 40990 0 39353 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 152814 0 152814 2 1 1 2 0 8 1 percpumem 16 53 0 11 1 0 1 1 0 8 0 kstatmem 264 44 0 22 2 0 2 2 0 8 0 scxspl 216 115156 0 115155 53 49 4 8 0 8 3 plimitpl 152 3959 0 3936 28 26 2 2 0 8 1 sigapl 424 14241 0 14187 7 0 7 7 0 8 0 futexpl 64 136968 0 136966 1 0 1 1 0 8 0 knotepl 120 771 0 0 10 0 10 10 0 8 0 kqueuepl 216 4384 0 4376 85 84 1 9 0 8 0 pipepl 320 4037 0 4009 82 79 3 10 0 8 0 fdescpl 496 14223 0 14189 7 1 6 6 0 8 0 filepl 152 127414 0 127176 143 127 16 25 0 8 6 lockfpl 104 5338 0 5336 13 12 1 2 0 8 0 lockfspl 48 1006 0 1004 1 0 1 1 0 8 0 sessionpl 144 34 0 18 1 0 1 1 0 8 0 pgrppl 48 398 0 382 1 0 1 1 0 8 0 ucredpl 104 22002 0 21984 1 0 1 1 0 8 0 zombiepl 144 14189 0 14187 1 0 1 1 0 8 0 processpl 1072 14241 0 14187 5 1 4 5 0 8 0 procpl 672 42828 0 42754 21 13 8 9 0 8 1 sosppl 168 213 0 213 17 17 0 1 0 8 0 sockpl 488 45543 0 45510 867 853 14 54 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 34 0 0 4 1 3 3 0 8 0 mcl12k 12288 46 0 0 2 0 2 2 0 8 0 mcl9k 9216 22 0 0 2 0 2 2 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 25 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 356 0 0 37 8 29 37 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 1823 0 0 85 0 85 85 0 8 0 bufpl 288 27160 0 20829 453 0 453 453 0 8 0 anonpl 24 3048744 0 3034597 256 132 124 126 0 186 0 amapchunkpl 152 736191 0 735417 4529 4362 167 4425 0 158 130 amappl16 200 34208 0 33870 252 226 26 41 0 8 7 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 178 0 165 1 0 1 1 0 8 0 amappl13 176 13 0 13 2 2 0 1 0 8 0 amappl12 168 529 0 525 1 0 1 1 0 8 0 amappl11 160 56 0 45 1 0 1 1 0 8 0 amappl10 152 62 0 48 1 0 1 1 0 8 0 amappl9 144 1123 0 1122 1 0 1 1 0 8 0 amappl8 136 824 0 650 7 0 7 7 0 8 0 amappl7 128 1528 0 1504 2 0 2 2 0 8 0 amappl6 120 383 0 365 2 1 1 2 0 8 0 amappl5 112 405 0 399 1 0 1 1 0 8 0 amappl4 104 899 0 869 3 2 1 3 0 8 0 amappl3 96 44323 0 44266 2 0 2 2 0 8 0 amappl2 88 15245 0 15161 4 2 2 3 0 8 0 amappl1 80 328650 0 327830 28 9 19 22 0 8 0 amappl 88 100818 0 100590 8 1 7 7 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 14223 0 14189 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14223 0 14189 1 0 1 1 0 8 0 vmmpekpl 168 117006 0 116944 4 0 4 4 0 8 0 vmmpepl 168 1337604 0 1334613 302 150 152 154 0 357 9 vmsppl 368 14222 0 14189 4 0 4 4 0 8 0 rwobjpl 56 365858 0 358154 152 39 113 114 0 8 2 pdppl 4096 28453 0 28378 311 230 81 93 0 8 6 pvpl 32 5569858 0 5549514 452 240 212 260 0 265 0 pmappl 248 14222 0 14189 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1395 0 489 27 0 27 27 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff825c2f80) at panic+0x177 sys/kern/subr_prf.c:198 witness_checkorder(ffffffff82b83710,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b83508) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 rt_clone(ffff80002ca9afc8,fffffd807e2cc668,0) at rt_clone+0x5c sys/net/route.c:257 rtalloc_mpath(fffffd807e2cc668,fffffd807e2cc630,0) at rtalloc_mpath+0xbc rt_match sys/net/route.c:235 [inline] rtalloc_mpath(fffffd807e2cc668,fffffd807e2cc630,0) at rtalloc_mpath+0xbc sys/net/route.c:350 in_pcbrtentry(fffffd807e2cc5e0) at in_pcbrtentry+0x1cf ip6_ctloutput(0,fffffd807580a7a8,29,2c,fffffd8067e52600) at ip6_ctloutput+0x1079 sys/netinet6/ip6_output.c:1511 sys_getsockopt(ffff8000ffff5500,ffff80002ca9b1b8,ffff80002ca9b200) at sys_getsockopt+0x15e sys/kern/uipc_syscalls.c:1275 syscall(ffff80002ca9b280) at syscall+0x4c2 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002ca9b280) at syscall+0x4c2 sys/arch/amd64/amd64/trap.c:599 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x180c0dca650, count: -11 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffff800020dd8ff0) 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 msleep(ffff800021232d28,ffff800021232d28,0,0,ffff800021232d28) at msleep+0x22b sys/kern/kern_synch.c:266 end trace frame: 0x0, count: 11 ddb{1}> trace x86_ipi_db(ffff800020dd8ff0) 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 msleep(ffff800021232d28,ffff800021232d28,0,0,ffff800021232d28) at msleep+0x22b sys/kern/kern_synch.c:266 end trace frame: 0x0, count: -4