panic: pool_do_get: art_heap4 free list modified: page 0xfffffd8064cc1000; item addr 0xfffffd8064cc1000; offset 0x0=0x2c37180000000000 != 0x2c3718239b27478f Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 210489 64648 0 0 0 0 syz-executor.1 *217700 64648 0 0 0x4000000 1K syz-executor.1 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822751b4) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff8265ecb8,a,ffff800021f76a48) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff8265ecb8,a) at pool_get+0xeb sys/kern/subr_pool.c:581 art_table_get(ffff800000676600,fffffd80668232c8,10) at art_table_get+0x12e sys/net/art.c:722 art_insert(ffff800000676600,fffffd80733b2c70,ffff80000002d404,20) at art_insert+0x155 sys/net/art.c:387 rtable_insert(0,ffff80000002d400,0,ffff8000009d41a0,1,fffffd8066e9d2a8) at rtable_insert+0x2f6 rtrequest(1,ffff800021f76d68,1,ffff800021f76e30,0) at rtrequest+0x8bf sys/net/route.c:941 rt_ifa_add(ffff800000a29400,240404,ffff800000a29440,0) at rt_ifa_add+0x25c sys/net/route.c:1131 rt_ifa_addlocal(ffff800000a29400) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff800000a27000,ffff800000a29400,ffff800021f771d0,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_set_ifaddr(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 in_ioctl(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl+0x2d8 sys/netinet/in.c:243 ifioctl(fffffd8066db4c98,8020690c,ffff800021f771c0,ffff800020ece4f8) at ifioctl+0xe70 sys/net/if.c:2288 end trace frame: 0xffff800021f771b0, count: 0 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 pool_do_get: art_heap4 free list modified: page 0xfffffd8064cc1000; item addr 0xfffffd8064cc1000; offset 0x0=0x2c37180000000000 != 0x2c3718239b27478f ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822751b4) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff8265ecb8,a,ffff800021f76a48) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff8265ecb8,a) at pool_get+0xeb sys/kern/subr_pool.c:581 art_table_get(ffff800000676600,fffffd80668232c8,10) at art_table_get+0x12e sys/net/art.c:722 art_insert(ffff800000676600,fffffd80733b2c70,ffff80000002d404,20) at art_insert+0x155 sys/net/art.c:387 rtable_insert(0,ffff80000002d400,0,ffff8000009d41a0,1,fffffd8066e9d2a8) at rtable_insert+0x2f6 rtrequest(1,ffff800021f76d68,1,ffff800021f76e30,0) at rtrequest+0x8bf sys/net/route.c:941 rt_ifa_add(ffff800000a29400,240404,ffff800000a29440,0) at rt_ifa_add+0x25c sys/net/route.c:1131 rt_ifa_addlocal(ffff800000a29400) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff800000a27000,ffff800000a29400,ffff800021f771d0,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_set_ifaddr(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 in_ioctl(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl+0x2d8 sys/netinet/in.c:243 ifioctl(fffffd8066db4c98,8020690c,ffff800021f771c0,ffff800020ece4f8) at ifioctl+0xe70 sys/net/if.c:2288 soo_ioctl(fffffd8067ab9150,8020690c,ffff800021f771c0,ffff800020ece4f8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ece4f8,ffff800021f772d8,ffff800021f77320) at sys_ioctl+0x4a5 syscall(ffff800021f773a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f773a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91f1712e6b0, count: -18 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021f76890 rbx 0xffff800021f76940 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffffffff81c69d7f kprintf+0x16f r9 0x1 r10 0x2 r11 0x7efb64dd7fd2f98 r12 0x3000000008 r13 0xffff800021f768a0 r14 0x100 r15 0x1 rip 0xffffffff81f40c18 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800021f76880 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.1) pid=217700 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=53, nice=20 forw=0xffffffffffffffff, list=0xffff800020ece768,0xffffffff82645b70 process=0xffff800020ed87d8 user=0xffff800021f72000, vmspace=0xfffffd807efff000 estcpu=3, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 64648 210489 73186 0 7 0 syz-executor.1 64648 363685 73186 0 2 0x4000000 syz-executor.1 *64648 217700 73186 0 7 0x4000000 syz-executor.1 73186 255137 83801 0 3 0x82 nanosleep syz-executor.1 1117 388883 83801 0 3 0x82 nanosleep syz-executor.0 83801 193433 98405 0 3 0x82 thrsleep syz-fuzzer 83801 353237 98405 0 3 0x4000082 thrsleep syz-fuzzer 83801 487083 98405 0 3 0x4000082 thrsleep syz-fuzzer 83801 72517 98405 0 3 0x4000082 thrsleep syz-fuzzer 83801 324882 98405 0 3 0x4000082 thrsleep syz-fuzzer 83801 143097 98405 0 3 0x4000082 thrsleep syz-fuzzer 83801 114481 98405 0 3 0x4000082 thrsleep syz-fuzzer 83801 17565 98405 0 3 0x4000082 thrsleep syz-fuzzer 83801 85826 98405 0 3 0x4000082 kqread syz-fuzzer 83801 234650 98405 0 3 0x4000082 thrsleep syz-fuzzer 98405 287102 76699 0 3 0x10008a pause ksh 76699 366588 19451 0 3 0x92 select sshd 96715 409557 1 0 3 0x100083 ttyin getty 19451 163520 1 0 3 0x80 select sshd 54404 76959 32640 74 3 0x100092 bpf pflogd 32640 257697 1 0 3 0x80 netio pflogd 40907 71477 15492 73 3 0x100090 kqread syslogd 15492 8878 1 0 3 0x100082 netio syslogd 85228 24294 1 77 3 0x100090 poll dhclient 47297 228535 1 0 3 0x80 poll dhclient 62286 230828 0 0 3 0x14200 bored smr 8914 189645 0 0 3 0x14200 pgzero zerothread 23172 412731 0 0 3 0x14200 aiodoned aiodoned 39479 450185 0 0 3 0x14200 syncer update 37200 277997 0 0 3 0x14200 cleaner cleaner 40123 4912 0 0 3 0x14200 reaper reaper 40025 220545 0 0 3 0x14200 pgdaemon pagedaemon 86239 92026 0 0 3 0x14200 bored crynlk 4196 296955 0 0 3 0x14200 bored crypto 17376 195534 0 0 3 0x40014200 acpi0 acpi0 65557 1205 0 0 3 0x40014200 idle1 51238 113528 0 0 3 0x14200 bored softnet 42223 31504 0 0 3 0x14200 bored systqmp 56429 381712 0 0 3 0x14200 bored systq 29110 500549 0 0 3 0x40014200 bored softclock 17315 308197 0 0 3 0x40014200 idle0 1 314414 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 1: exclusive mutex art_heap4 r = 0 (0xffffffff8265ecc8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 art_table_get+0x12e sys/net/art.c:722 #5 art_insert+0x155 sys/net/art.c:387 #6 rtable_insert+0x2f6 #7 rtrequest+0x8bf sys/net/route.c:941 #8 rt_ifa_add+0x25c sys/net/route.c:1131 #9 rt_ifa_addlocal+0x16d sys/net/route.c:1238 #10 in_ifinit+0x1cf sys/netinet/in.c:688 #11 in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 #12 in_ioctl+0x2d8 sys/netinet/in.c:243 #13 ifioctl+0xe70 sys/net/if.c:2288 #14 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #15 sys_ioctl+0x4a5 #16 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #16 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #17 Xsyscall+0x128 Process 64648 (syz-executor.1) thread 0xffff800020ece4f8 (217700) exclusive rwlock art r = 0 (0xffff800000676618) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 rtable_insert+0x142 sys/net/rtable.c:517 #2 rtrequest+0x8bf sys/net/route.c:941 #3 rt_ifa_add+0x25c sys/net/route.c:1131 #4 rt_ifa_addlocal+0x16d sys/net/route.c:1238 #5 in_ifinit+0x1cf sys/netinet/in.c:688 #6 in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 #7 in_ioctl+0x2d8 sys/netinet/in.c:243 #8 ifioctl+0xe70 sys/net/if.c:2288 #9 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #10 sys_ioctl+0x4a5 #11 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #12 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff824e45e8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 in_ioctl_set_ifaddr+0xa4 #2 in_ioctl+0x2d8 sys/netinet/in.c:243 #3 ifioctl+0xe70 sys/net/if.c:2288 #4 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #5 sys_ioctl+0x4a5 #6 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #6 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826b0e70) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 soo_ioctl+0x26a sys/kern/sys_socket.c:138 #2 sys_ioctl+0x4a5 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #4 Xsyscall+0x128 exclusive mutex art_heap4 r = 0 (0xffffffff8265ecc8) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 mtx_enter_try+0x102 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_get+0xbf sys/kern/subr_pool.c:578 #4 art_table_get+0x12e sys/net/art.c:722 #5 art_insert+0x155 sys/net/art.c:387 #6 rtable_insert+0x2f6 #7 rtrequest+0x8bf sys/net/route.c:941 #8 rt_ifa_add+0x25c sys/net/route.c:1131 #9 rt_ifa_addlocal+0x16d sys/net/route.c:1238 #10 in_ifinit+0x1cf sys/netinet/in.c:688 #11 in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 #12 in_ioctl+0x2d8 sys/netinet/in.c:243 #13 ifioctl+0xe70 sys/net/if.c:2288 #14 soo_ioctl+0x27c sys/kern/sys_socket.c:138 #15 sys_ioctl+0x4a5 #16 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] #16 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 #17 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9503 6536K 6724K 78643K 10766 0 pcb 13 8K 8K 78643K 132 0 rtable 108 3K 5K 78643K 259 0 ifaddr 59 12K 13K 78643K 75 0 counters 43 33K 34K 78643K 45 0 ioctlops 0 0K 4K 78643K 1487 0 iov 0 0K 16K 78643K 13 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 1280 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 1K 1K 78643K 2 0 sem 9 0K 0K 78643K 12 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 125 0 sigio 0 0K 0K 78643K 6 0 proc 61 63K 95K 78643K 448 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 15 0 in_multi 40 2K 2K 78643K 48 0 ether_multi 1 0K 0K 78643K 5 0 mrt 0 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 37 175K 175K 78643K 37 0 exec 0 0K 1K 78643K 211 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 134 23K 23K 78643K 1349 0 UVM aobj 6 4K 4K 78643K 6 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 32 0 NDP 9 0K 0K 78643K 14 0 temp 81 3032K 3096K 78643K 2631 0 kqueue 3 4K 18K 78643K 10 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 arp 64 7 0 1 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 31 0 29 1 0 1 1 0 8 0 rtentry 112 49 0 4 2 0 2 2 0 8 0 unpcb 120 67 0 57 1 0 1 1 0 8 0 syncache 264 6 0 6 2 1 1 1 0 8 1 tcpqe 32 89 0 89 2 1 1 1 0 8 1 tcpcb 544 54 0 45 1 0 1 1 0 8 0 inpcb 280 290 0 277 2 0 2 2 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 9 0 9 1 1 0 1 0 8 0 pfstitem 24 18 0 3 1 0 1 1 0 8 0 pfstkey 112 18 0 3 1 0 1 1 0 8 0 pfstate 328 18 0 3 2 0 2 2 0 8 0 pfrule 1360 24 0 19 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 200 0 2 13 0 13 13 0 8 0 art_heap4: pool(0xffffffff8265ecb8:art_heap4): free list modified: page 0xfffffd8064cc1000; item ordinal 0; addr 0xfffffd8064cc1000 (p 0xfffffd80687f3000); offset 0x0=0x2c37180000000000 art_table 32 202 0 2 2 0 2 2 0 8 0 art_node 16 48 0 7 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 0 1 1 0 8 1 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 10 0 3 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1549 0 144 89 0 89 89 0 8 0 ffsino 272 1549 0 144 94 0 94 94 0 8 0 nchpl 144 1899 0 290 60 0 60 60 0 8 0 uvmvnodes 72 1639 0 0 30 0 30 30 0 8 0 vnodes 208 1639 0 0 87 0 87 87 0 8 0 namei 1024 5024 0 5024 1 0 1 1 0 8 1 percpumem 16 33 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 3 0 3 1 1 0 1 0 8 0 scxspl 192 4990 0 4990 8 6 2 7 0 8 2 plimitpl 152 19 0 11 1 0 1 1 0 8 0 sigapl 424 340 0 309 4 0 4 4 0 8 0 futexpl 56 1676 0 1676 1 0 1 1 0 8 1 knotepl 112 95 0 76 2 1 1 2 0 8 0 kqueuepl 144 15 0 13 1 0 1 1 0 8 0 pipelkpl 48 95 0 85 1 0 1 1 0 8 0 pipepl 120 190 0 171 1 0 1 1 0 8 0 fdescpl 496 325 0 309 3 0 3 3 0 8 0 filepl 152 1826 0 1723 5 0 5 5 0 8 0 lockfpl 104 15 0 14 1 0 1 1 0 8 0 lockfspl 48 7 0 6 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 20 0 9 1 0 1 1 0 8 0 ucredpl 96 121 0 112 1 0 1 1 0 8 0 zombiepl 144 309 0 308 2 1 1 1 0 8 0 processpl 984 340 0 308 6 1 5 5 0 8 0 procpl 624 569 0 526 4 0 4 4 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sockpl 400 391 0 366 5 1 4 4 0 8 0 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 176 0 0 21 0 21 21 0 8 0 mtagpl 80 6 0 0 1 0 1 1 0 8 0 mbufpl 256 409 0 0 25 0 25 25 0 8 0 bufpl 280 3421 0 133 235 0 235 235 0 8 0 anonpl 16 44739 0 28635 67 1 66 66 0 124 0 amapchunkpl 152 1689 0 1535 9 1 8 9 0 158 0 amappl16 192 1351 0 490 44 0 44 44 0 8 0 amappl15 184 46 0 43 1 0 1 1 0 8 0 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 13 0 10 1 0 1 1 0 8 0 amappl11 152 100 0 83 1 0 1 1 0 8 0 amappl10 144 61 0 56 1 0 1 1 0 8 0 amappl9 136 386 0 385 1 0 1 1 0 8 0 amappl8 128 353 0 317 2 0 2 2 0 8 0 amappl7 120 165 0 154 1 0 1 1 0 8 0 amappl6 112 27 0 23 1 0 1 1 0 8 0 amappl5 104 224 0 207 1 0 1 1 0 8 0 amappl4 96 488 0 459 1 0 1 1 0 8 0 amappl3 88 107 0 101 1 0 1 1 0 8 0 amappl2 80 1704 0 1632 2 0 2 2 0 8 0 amappl1 72 17256 0 16812 23 13 10 18 0 8 0 amappl 80 824 0 776 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 325 0 309 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 325 0 309 1 0 1 1 0 8 0 vmmpekpl 168 6406 0 6372 2 0 2 2 0 8 0 vmmpepl 168 46892 0 44872 116 14 102 109 0 357 9 vmsppl 368 324 0 309 2 0 2 2 0 8 0 pdppl 4096 658 0 618 6 0 6 6 0 8 0 pvpl 32 153380 0 134063 158 1 157 158 0 265 0 pmappl 232 324 0 309 2 1 1 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 273 0 4 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff824e9ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 sys/kern/kern_lock.c:147 syscall(ffff800021f715d0) at syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff800021f715d0) at syscall+0x400 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe3270, count: 6 ddb{0}> trace x86_ipi_db(ffffffff824e9ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 sys/kern/kern_lock.c:147 softintr_dispatch(0) at softintr_dispatch+0x4e sys/arch/amd64/amd64/softintr.c:89 Xsoftclock() at Xsoftclock+0x1f __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff826b0c68) at __mp_lock+0x127 sys/kern/kern_lock.c:147 syscall(ffff800021f715d0) at syscall+0x400 mi_syscall sys/sys/syscall_mi.h:93 [inline] syscall(ffff800021f715d0) at syscall+0x400 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe3270, count: -9 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:398 panic(ffffffff822751b4) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff8265ecb8,a,ffff800021f76a48) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff8265ecb8,a) at pool_get+0xeb sys/kern/subr_pool.c:581 art_table_get(ffff800000676600,fffffd80668232c8,10) at art_table_get+0x12e sys/net/art.c:722 art_insert(ffff800000676600,fffffd80733b2c70,ffff80000002d404,20) at art_insert+0x155 sys/net/art.c:387 rtable_insert(0,ffff80000002d400,0,ffff8000009d41a0,1,fffffd8066e9d2a8) at rtable_insert+0x2f6 rtrequest(1,ffff800021f76d68,1,ffff800021f76e30,0) at rtrequest+0x8bf sys/net/route.c:941 rt_ifa_add(ffff800000a29400,240404,ffff800000a29440,0) at rt_ifa_add+0x25c sys/net/route.c:1131 rt_ifa_addlocal(ffff800000a29400) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff800000a27000,ffff800000a29400,ffff800021f771d0,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_set_ifaddr(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 in_ioctl(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl+0x2d8 sys/netinet/in.c:243 ifioctl(fffffd8066db4c98,8020690c,ffff800021f771c0,ffff800020ece4f8) at ifioctl+0xe70 sys/net/if.c:2288 end trace frame: 0xffff800021f771b0, count: 0 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822751b4) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff8265ecb8,a,ffff800021f76a48) at pool_do_get+0x439 sys/kern/subr_pool.c:738 pool_get(ffffffff8265ecb8,a) at pool_get+0xeb sys/kern/subr_pool.c:581 art_table_get(ffff800000676600,fffffd80668232c8,10) at art_table_get+0x12e sys/net/art.c:722 art_insert(ffff800000676600,fffffd80733b2c70,ffff80000002d404,20) at art_insert+0x155 sys/net/art.c:387 rtable_insert(0,ffff80000002d400,0,ffff8000009d41a0,1,fffffd8066e9d2a8) at rtable_insert+0x2f6 rtrequest(1,ffff800021f76d68,1,ffff800021f76e30,0) at rtrequest+0x8bf sys/net/route.c:941 rt_ifa_add(ffff800000a29400,240404,ffff800000a29440,0) at rt_ifa_add+0x25c sys/net/route.c:1131 rt_ifa_addlocal(ffff800000a29400) at rt_ifa_addlocal+0x16d sys/net/route.c:1238 in_ifinit(ffff800000a27000,ffff800000a29400,ffff800021f771d0,0) at in_ifinit+0x1cf sys/netinet/in.c:688 in_ioctl_set_ifaddr(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl_set_ifaddr+0x264 sys/netinet/in.c:399 in_ioctl(8020690c,ffff800021f771c0,ffff800000a27000,1) at in_ioctl+0x2d8 sys/netinet/in.c:243 ifioctl(fffffd8066db4c98,8020690c,ffff800021f771c0,ffff800020ece4f8) at ifioctl+0xe70 sys/net/if.c:2288 soo_ioctl(fffffd8067ab9150,8020690c,ffff800021f771c0,ffff800020ece4f8) at soo_ioctl+0x27c sys/kern/sys_socket.c:138 sys_ioctl(ffff800020ece4f8,ffff800021f772d8,ffff800021f77320) at sys_ioctl+0x4a5 syscall(ffff800021f773a0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff800021f773a0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x91f1712e6b0, count: -18