panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *492951 29077 32767 0x10 0x4000000 0K syz-executor 109504 75387 0 0x14000 0x200 1 softnet0 db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c48dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c07d560,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806c07d560,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 sysctl_vsunlock(20000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 kern_sysctl(ffff80003720bd34,1,20000080,ffff80003720bd68,0,0,ad285020036bff75) at kern_sysctl+0xcd1 sys/kern/kern_sysctl.c:612 sys_sysctl(ffff80003723d6f8,ffff80003720bea0,ffff80003720bdf0) at sys_sysctl+0x425 syscall(ffff80003720bea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003720bea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf99b38e500, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault_unwire_locked: address not in map ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c48dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c07d560,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806c07d560,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 sysctl_vsunlock(20000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 kern_sysctl(ffff80003720bd34,1,20000080,ffff80003720bd68,0,0,ad285020036bff75) at kern_sysctl+0xcd1 sys/kern/kern_sysctl.c:612 sys_sysctl(ffff80003723d6f8,ffff80003720bea0,ffff80003720bdf0) at sys_sysctl+0x425 syscall(ffff80003720bea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003720bea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf99b38e500, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003720b9b0 rbx 0xffffffff834b3dbf cpu_info_full_primary+0x2dbf rdx 0 rcx 0xffff80003723d6f8 rax 0xffffffff834b2ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1ab2090219faa35b r11 0xfd1773c1fa967ce6 r12 0xffffffff834b3bc0 cpu_info_full_primary+0x2bc0 r13 0 r14 0 r15 0x1 rip 0xffffffff829d9765 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003720b9a0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=492951 pid=29077 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003723d1e8,0xffffffff83580df0 process=0xffff800035dc9b50 user=0xffff800037206000, vmspace=0xfffffd806c07d560 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 29077 226810 42334 32767 2 0x10 syz-executor 29077 423506 42334 32767 2 0x4000010 syz-executor 29077 410738 42334 32767 2 0x4000010 syz-executor *29077 492951 42334 32767 7 0x4000010 syz-executor 98826 341342 22107 32767 2 0x10 syz-executor 98826 434733 22107 32767 3 0x4000090 fsleep syz-executor 98528 464774 54465 32767 2 0x10 syz-executor 98528 24458 54465 32767 3 0x4000090 piperd syz-executor 3173 462031 29313 32767 2 0x10 syz-executor 3173 10178 29313 32767 3 0x4000090 fsleep syz-executor 86561 45668 94374 32767 2 0x10 syz-executor 86561 302013 94374 32767 3 0x4000090 kqread syz-executor 14979 381624 40019 32767 3 0x90 nanoslp syz-executor 14979 277091 40019 32767 3 0x4000090 sbwait syz-executor 14979 428669 40019 32767 3 0x4000090 fsleep syz-executor 85943 398669 0 0 3 0x14200 bored sosplice 54465 76853 98776 32767 3 0x90 nanoslp syz-executor 40019 361654 55692 32767 3 0x90 nanoslp syz-executor 7361 449083 12174 32767 2 0x10 syz-executor 96349 262624 56991 32767 3 0x90 nanoslp syz-executor 94374 169308 43417 32767 3 0x90 nanoslp syz-executor 29313 160054 51833 32767 3 0x90 nanoslp syz-executor 42334 46668 14097 32767 3 0x90 nanoslp syz-executor 22107 247822 76415 32767 3 0x90 nanoslp syz-executor 98776 29423 60189 0 3 0x82 wait syz-executor 56991 245070 60189 0 3 0x82 wait syz-executor 43417 252148 60189 0 3 0x82 wait syz-executor 55692 161631 60189 0 3 0x82 wait syz-executor 14097 67573 60189 0 3 0x82 wait syz-executor 51833 350714 60189 0 3 0x82 wait syz-executor 12174 146843 60189 0 3 0x82 wait syz-executor 76415 234215 60189 0 3 0x82 wait syz-executor 60189 189819 77964 0 2 0x82 syz-executor 77964 418641 9588 0 3 0x10008a sigsusp ksh 9588 24872 53498 0 3 0x98 kqread sshd-session 53498 106297 22821 0 3 0x92 kqread sshd-session 56090 243225 1 0 3 0x100083 ttyin getty 22821 346573 1 0 3 0x88 kqread sshd 73323 291064 59968 73 3 0x1100090 kqread syslogd 59968 492364 1 0 3 0x100082 sbwait syslogd 87404 137976 1 0 3 0x100080 kqread resolvd 25525 93146 99817 77 3 0x100092 kqread dhcpleased 8505 220493 99817 77 3 0x100092 kqread dhcpleased 99817 73698 1 0 3 0x80 kqread dhcpleased 55224 419136 0 0 3 0x14200 bored smr 32383 271252 0 0 2 0x14200 zerothread 87575 141923 0 0 3 0x14200 aiodoned aiodoned 52103 306837 0 0 3 0x14200 syncer update 54712 109691 0 0 3 0x14200 cleaner cleaner 75654 34746 0 0 3 0x14200 reaper reaper 95658 413446 0 0 3 0x14200 pgdaemon pagedaemon 49898 471079 0 0 3 0x14200 bored viomb 33783 425457 0 0 3 0x40014200 acpi0 acpi0 58450 107118 0 0 3 0x40014200 idle1 56897 337426 0 0 3 0x14200 bored softnet3 32411 90629 0 0 3 0x14200 bored softnet2 56917 284045 0 0 3 0x14200 bored softnet1 75387 109504 0 0 7 0x14200 softnet0 98687 29476 0 0 3 0x14200 bored systqmp 60195 232529 0 0 3 0x14200 bored systq 74954 344465 0 0 3 0x14200 tmoslp softclockmp 59894 31537 0 0 3 0x40014200 tmoslp softclock 39461 134227 0 0 3 0x40014200 idle0 1 393740 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex softnet0 r = 0 (0xffff80000002c028) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 mtx_enter_try+0x178 #2 mtx_enter+0x60 sys/kern/kern_lock.c:239 #3 msleep+0x183 sys/kern/kern_synch.c:254 #4 taskq_next_work+0x8e sys/kern/kern_task.c:401 #5 taskq_thread+0x1d5 sys/kern/kern_task.c:441 #6 proc_trampoline+0x10 Process 29077 (syz-executor) thread 0xffff80003723d6f8 (492951) shared rwlock vmmaplk r = 0 (0xfffffd806c07d658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 #4 kern_sysctl+0xcd1 sys/kern/kern_sysctl.c:612 #5 sys_sysctl+0x425 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83613930) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #6 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 #7 kern_sysctl+0xcd1 sys/kern/kern_sysctl.c:612 #8 sys_sysctl+0x425 #9 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #9 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #10 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff83443820) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0xb7e sys/kern/kern_sysctl.c:608 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 7361 (syz-executor) thread 0xffff800032b9c530 (449083) exclusive rrwlock inode r = 0 (0xfffffd806bdf62c0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:169 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3099 #10 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c7bec58) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 rrw_enter+0xbe sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3084 #8 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:178 [inline] #8 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10212 11051K 11059K 166960K 11292 0 pcb 17 12K 12K 166960K 17 0 rtable 238 6K 7K 166960K 353 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 31 0 iov 1 1K 12K 166960K 11 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1364 86K 86K 166960K 1395 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 10 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 25 93K 125K 166960K 314 0 sigio 0 0K 0K 166960K 2 0 proc 58 79K 140K 166960K 496 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 77 0 in_multi 99 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 363 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 257 74K 90K 166960K 4268 0 UVM aobj 11 4K 4K 166960K 11 0 pinsyscall 46 92K 112K 166960K 1320 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 25 0 NDP 11 0K 2K 166960K 27 0 temp 43 6820K 6884K 166960K 4396 0 kqueue 13 20K 30K 166960K 51 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 24 0 0 1 0 1 1 0 8 0 rtpcb 120 109 0 106 3 0 3 3 0 8 2 rtentry 112 113 0 1 4 0 4 4 0 8 0 unpcb 144 210 0 193 2 0 2 2 0 8 1 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 102 0 97 2 0 2 2 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 336 361 0 351 7 0 7 7 0 8 5 nd6 136 26 0 0 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 256 456 0 0 29 0 29 29 0 8 0 art_table 32 457 0 0 4 0 4 4 0 8 0 art_node 16 112 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1813 0 312 95 0 95 95 0 8 0 ffsino 272 1813 0 312 101 0 101 101 0 8 0 nchpl 144 2246 0 574 63 0 63 63 0 8 0 uvmvnodes 80 1926 0 0 40 0 40 40 0 8 0 vnodes 216 1926 0 0 107 0 107 107 0 8 0 namei 1024 7357 0 7356 1 0 1 1 0 8 0 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 6764 0 6764 3 2 1 2 1 8 1 plimitpl 152 92 0 68 2 0 2 2 0 8 1 sigapl 424 590 0 534 8 0 8 8 0 8 0 futexpl 64 2515 0 2512 1 0 1 1 0 8 0 knotepl 120 319 0 0 10 0 10 10 0 8 0 kqueuepl 216 75 0 65 1 0 1 1 0 8 0 pipepl 320 120 0 92 3 0 3 3 0 8 0 fdescpl 496 571 0 534 7 1 6 6 0 8 0 filepl 152 2743 0 2497 15 0 15 15 0 8 4 lockfpl 104 53 0 50 1 0 1 1 0 8 0 lockfspl 48 24 0 21 1 0 1 1 0 8 0 sessionpl 144 25 0 9 1 0 1 1 0 8 0 pgrppl 48 34 0 10 1 0 1 1 0 8 0 ucredpl 104 384 0 365 1 0 1 1 0 8 0 zombiepl 144 535 0 534 1 0 1 1 0 8 0 processpl 1160 590 0 534 5 0 5 5 0 8 0 procpl 648 867 0 802 7 0 7 7 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 664 682 0 652 9 0 9 9 0 8 5 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 138 0 0 18 0 18 18 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 223 0 0 14 0 14 14 0 8 0 bufpl 280 2642 0 96 182 0 182 182 0 8 0 anonpl 24 154886 0 151595 35 1 34 34 0 185 10 amapchunkpl 152 14474 0 13893 37 0 37 37 0 158 9 amappl16 200 3794 0 3776 5 2 3 5 0 8 1 amappl15 192 13 0 13 1 1 0 1 0 8 0 amappl14 184 110 0 100 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 1170 0 1133 2 0 2 2 0 8 0 amappl11 160 51 0 41 1 0 1 1 0 8 0 amappl10 152 10 0 10 1 1 0 1 0 8 0 amappl9 144 138 0 138 1 1 0 1 0 8 0 amappl8 136 37 0 36 1 0 1 1 0 8 0 amappl7 128 95 0 85 1 0 1 1 0 8 0 amappl6 120 152 0 151 1 0 1 1 0 8 0 amappl5 112 127 0 118 1 0 1 1 0 8 0 amappl4 104 332 0 318 1 0 1 1 0 8 0 amappl3 96 2594 0 2484 4 0 4 4 0 8 0 amappl2 88 866 0 780 3 0 3 3 0 8 0 amappl1 80 8635 0 8100 13 0 13 13 0 8 0 amappl 88 3897 0 3695 6 0 6 6 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 10 0 0 1 0 1 1 0 8 0 uaddrrnd 24 571 0 534 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 571 0 534 1 0 1 1 0 8 0 vmmpekpl 168 6259 0 6226 2 0 2 2 0 8 0 vmmpepl 168 43943 0 41949 96 0 96 96 0 357 6 vmsppl 448 570 0 534 5 0 5 5 0 8 0 rwobjpl 56 18328 0 15547 41 1 40 40 0 8 0 pdppl 4096 1149 0 1068 115 32 83 97 0 8 2 pvpl 32 13036 0 0 106 0 106 106 0 265 0 pmappl 248 570 0 534 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 401 0 34 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830c48dd) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd806c07d560,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1694 uvm_fault_unwire(fffffd806c07d560,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 sysctl_vsunlock(20000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:209 kern_sysctl(ffff80003720bd34,1,20000080,ffff80003720bd68,0,0,ad285020036bff75) at kern_sysctl+0xcd1 sys/kern/kern_sysctl.c:612 sys_sysctl(ffff80003723d6f8,ffff80003720bea0,ffff80003720bdf0) at sys_sysctl+0x425 syscall(ffff80003720bea0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003720bea0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcf99b38e500, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc if_qstart_compat(ffff800000039300) at if_qstart_compat+0x27 sys/net/if.c:714 ifq_serialize(ffff800000039300,ffff800000039428) at ifq_serialize+0x1ba taskq_thread(ffff80000002c000) at taskq_thread+0x157 sys/kern/kern_task.c:448 end trace frame: 0x0, count: 8 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc if_qstart_compat(ffff800000039300) at if_qstart_compat+0x27 sys/net/if.c:714 ifq_serialize(ffff800000039300,ffff800000039428) at ifq_serialize+0x1ba taskq_thread(ffff80000002c000) at taskq_thread+0x157 sys/kern/kern_task.c:448 end trace frame: 0x0, count: -7