panic: uvm_fault_unwire_locked: address not in map Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 193034 43332 32767 0x10 0x4000000 0 syz-executor *213831 43332 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003720b224,3,20000080,ffff80003720b258,0,0,c72e7731ef9fa40e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff8000347839d0,ffff80003720b390,ffff80003720b2e0) at sys_sysctl+0x422 syscall(ffff80003720b390) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003720b390) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdd3b4a53f20, 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: uvm_fault_unwire_locked: address not in map ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003720b224,3,20000080,ffff80003720b258,0,0,c72e7731ef9fa40e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff8000347839d0,ffff80003720b390,ffff80003720b2e0) at sys_sysctl+0x422 syscall(ffff80003720b390) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003720b390) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdd3b4a53f20, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003720afa0 rbx 0xffff800029b7cd87 rdx 0 rcx 0xffff8000347839d0 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xa683e653ee2e8e5f r11 0xa566b3ecb056701e r12 0xffff800029b7cb88 r13 0 r14 0 r15 0x1 rip 0xffffffff82cd4ce5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003720af90 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=213831 pid=43332 tcnt=4 stat=onproc flags process=10 proc=4000000 runpri=83, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800029fe6a68,0xffffffff8362c8d0 process=0xffff8000371d31f8 user=0xffff800037206000, vmspace=0xfffffd80510d1a68 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43332 503207 49530 32767 2 0x10 syz-executor 43332 103657 49530 32767 3 0x4000090 fsleep syz-executor 43332 193034 49530 32767 7 0x4000010 syz-executor *43332 213831 49530 32767 7 0x4000010 syz-executor 4468 14835 7723 32767 3 0x90 nanoslp syz-executor 4468 117118 7723 32767 3 0x4000090 kqread syz-executor 4468 484758 7723 32767 3 0x4000090 fsleep syz-executor 41952 483272 87368 32767 3 0x90 nanoslp syz-executor 41952 251757 87368 32767 3 0x4000090 sbwait syz-executor 43149 463729 44867 32767 3 0x90 nanoslp syz-executor 43149 354784 44867 32767 3 0x4000090 kqread syz-executor 43149 70537 44867 32767 3 0x4000090 fsleep syz-executor 49530 32458 62114 32767 3 0x90 nanoslp syz-executor 62114 197384 18650 0 3 0x82 wait syz-executor 87368 66742 72760 32767 3 0x90 nanoslp syz-executor 72760 369778 18650 0 3 0x82 wait syz-executor 99061 424544 40743 32767 3 0x10 biowait syz-executor 40743 496882 18650 0 3 0x82 wait syz-executor 7723 94923 1952 32767 3 0x90 nanoslp syz-executor 1952 237539 18650 0 3 0x82 wait syz-executor 53088 265111 70543 32767 2 0x10 syz-executor 70543 3131 18650 0 3 0x82 wait syz-executor 44867 415774 27542 32767 2 0x10 syz-executor 27542 281555 18650 0 3 0x82 wait syz-executor 14225 128922 81866 32767 3 0x90 nanoslp syz-executor 81866 148707 18650 0 3 0x82 wait syz-executor 89309 329792 24225 32767 3 0x90 wait syz-executor 24225 222326 18650 0 3 0x82 wait syz-executor 41156 346697 41375 0 3 0x100082 sbwait arp 41375 69238 19039 0 3 0x10008a sigsusp sh 19039 112622 1 0 3 0x80 wait syz-executor 81148 287718 0 0 3 0x14200 bored sosplice 18650 449772 91025 0 3 0x82 kqread syz-executor 91025 278248 11569 0 3 0x10008a sigsusp ksh 11569 458110 25207 0 3 0x98 kqread sshd-session 25207 399379 65166 0 3 0x92 kqread sshd-session 35919 483763 1 0 3 0x100083 ttyin getty 65166 9090 1 0 3 0x88 kqread sshd 81806 97538 16661 73 3 0x1100090 kqread syslogd 16661 272697 1 0 3 0x100082 sbwait syslogd 69663 247149 1 0 3 0x100080 kqread resolvd 3714 501141 94784 77 3 0x100092 kqread dhcpleased 58711 521503 94784 77 3 0x100092 kqread dhcpleased 94784 425751 1 0 3 0x80 kqread dhcpleased 9037 490653 0 0 3 0x14200 bored smr 48049 480827 0 0 2 0x14200 zerothread 92545 459524 0 0 3 0x14200 aiodoned aiodoned 1747 517889 0 0 3 0x14200 syncer update 31325 279562 0 0 3 0x14200 cleaner cleaner 98967 116135 0 0 3 0x14200 reaper reaper 43162 28809 0 0 3 0x14200 pgdaemon pagedaemon 31038 12557 0 0 3 0x14200 bored viomb 2789 259020 0 0 3 0x40014200 acpi0 acpi0 47492 42145 0 0 3 0x40014200 idle1 54500 319918 0 0 3 0x14200 bored softnet3 79082 253794 0 0 3 0x14200 bored softnet2 63882 129048 0 0 3 0x14200 bored softnet1 63108 434232 0 0 3 0x14200 bored softnet0 6715 254628 0 0 3 0x14200 bored systqmp 77712 370477 0 0 3 0x14200 bored systq 3574 148833 0 0 3 0x14200 tmoslp softclockmp 77 8270 0 0 3 0x40014200 tmoslp softclock 51727 28498 0 0 3 0x40014200 idle0 1 102625 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 43332 (syz-executor) thread 0xffff8000347839d0 (213831) shared rwlock vmmaplk r = 0 (0xfffffd80510d1b58) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1622 #2 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 #3 net_sysctl+0x69a sys/kern/uipc_domain.c:251 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83578af8) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 sysctl_vslock+0x80 sys/kern/kern_sysctl.c:181 #2 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #3 sys_sysctl+0x422 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834e2140) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:176 #3 net_sysctl+0x5a1 sys/kern/uipc_domain.c:245 #4 sys_sysctl+0x422 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 99061 (syz-executor) thread 0xffff80003723c540 (424544) exclusive rrwlock inode r = 0 (0xfffffd8059a79f78) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x192 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #13 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #13 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8059a79098) #0 witness_lock+0x5b8 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5b8 sys/kern/subr_witness.c:1151 #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 vget+0x2bd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x36e sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x218 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #10 namei+0x7aa sys/kern/vfs_lookup.c:250 #11 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1852 #12 syscall+0xaf8 mi_syscall sys/sys/syscall_mi.h:179 [inline] #12 syscall+0xaf8 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10230 14125K 14131K 166960K 13734 0 pcb 17 20K 22K 166960K 25 0 rtable 244 6K 7K 166960K 28969 0 pf 31 16K 16K 166960K 1662 0 ifaddr 42 15K 19K 166960K 3277 0 ifgroup 50 2K 2K 166960K 3297 0 sysctl 4 1K 5K 166960K 97 0 counters 64 36K 36K 166960K 1680 0 ioctlops 0 0K 2K 166960K 1882 0 iov 0 0K 32K 166960K 5841 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1469 92K 92K 166960K 24121 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 1060 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 2099 0 dirhash 18 3K 4K 166960K 1509 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 28 105K 169K 166960K 58986 0 sigio 1 0K 0K 166960K 1899 0 proc 58 79K 176K 166960K 28460 0 subproc 117 7K 13K 166960K 12311 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 13329 0 in_multi 99 7K 8K 166960K 11497 0 ether_multi 1 0K 0K 166960K 402 0 mrt 2 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 319 1420K 1420K 166960K 319 0 exec 0 0K 1K 166960K 21715 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 292 84K 141K 166960K 515329 0 UVM aobj 131 5K 7K 166960K 154 0 pinsyscall 50 100K 138K 166960K 84344 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 4628 0 NDP 11 0K 2K 166960K 2440 0 temp 81 6824K 6952K 166960K 459166 0 kqueue 16 26K 34K 166960K 9658 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 10009 0 10005 75 73 2 4 0 8 1 rtentry 112 9562 0 9447 16 12 4 4 0 8 0 unpcb 144 61640 0 61619 243 237 6 11 0 8 5 syncache 336 909 0 909 38 37 1 1 0 8 1 tcpqe 32 330 0 330 72 72 0 1 0 8 0 tcpcb 808 39096 0 39079 332 327 5 21 0 8 0 arp 120 1666 0 1647 1 0 1 1 0 8 0 ipq 40 366 0 359 2 1 1 1 0 8 0 ipqe 40 7354 0 7347 2 1 1 1 0 8 0 inpcb 336 87101 0 87076 408 399 9 20 0 8 5 ip6q 72 20 0 20 17 17 0 1 0 8 0 ip6af 40 40 0 40 17 17 0 1 0 8 0 nd6 136 3001 0 2973 12 10 2 2 0 8 0 kcovpl 48 947 0 938 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 38920 0 38432 229 198 31 34 0 8 0 art_table 32 38921 0 38432 19 14 5 5 0 8 1 art_node 16 9561 0 9456 1 0 1 1 0 8 0 semapl 112 2091 0 2081 1 0 1 1 0 8 0 shmpl 112 151 0 23 4 0 4 4 0 8 0 dirhash 1024 1030 0 1001 21 17 4 5 0 8 0 dino2pl 256 79727 0 74987 301 4 297 297 0 8 0 ffsino 272 79727 0 74987 319 2 317 317 0 8 0 nchpl 144 146089 0 142876 120 0 120 120 0 8 0 uvmvnodes 80 11382 0 0 233 0 233 233 0 8 0 vnodes 216 11382 0 0 633 0 633 633 0 8 0 namei 1024 630897 0 630897 52 51 1 2 0 8 1 percpumem 16 854 0 808 1 0 1 1 0 8 0 kstatmem 264 1638 0 1616 2 0 2 2 0 8 0 scxspl 216 546999 0 546998 132 129 3 8 1 8 2 plimitpl 152 20348 0 20322 2 0 2 2 0 8 0 sigapl 424 58071 0 58012 18 10 8 9 0 8 0 futexpl 64 717623 0 717620 28 27 1 1 0 8 0 knotepl 120 2259 0 0 25 0 25 25 0 8 0 kqueuepl 216 21270 0 21258 182 181 1 8 0 8 0 pipepl 320 12253 0 12222 156 150 6 13 0 8 1 fdescpl 496 58052 0 58012 22 16 6 8 0 8 0 filepl 152 439387 0 439110 288 271 17 26 0 8 3 lockfpl 104 16748 0 16746 10 9 1 2 0 8 0 lockfspl 48 4829 0 4827 1 0 1 1 0 8 0 sessionpl 144 1516 0 1499 1 0 1 1 0 8 0 pgrppl 48 3953 0 3928 1 0 1 1 0 8 0 ucredpl 104 89778 0 89759 1 0 1 1 0 8 0 zombiepl 144 58015 0 58012 1 0 1 1 0 8 0 processpl 1160 58071 0 58012 6 1 5 6 0 8 0 procpl 648 138302 0 138235 20 13 7 8 0 8 0 srpgc 96 35 0 35 15 15 0 1 0 8 0 sosppl 168 685 0 684 21 20 1 1 0 8 0 sockpl 664 160048 0 159992 648 632 16 30 0 8 8 mcl64k 65536 66 0 0 5 0 5 5 0 8 0 mcl16k 16384 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 33 0 0 3 0 3 3 0 8 0 mcl4k 4096 23 0 0 3 0 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 956 0 0 35 14 21 34 0 8 0 mtagpl 96 22 0 0 1 0 1 1 0 8 0 mbufpl 256 10402 0 0 548 0 548 548 0 8 0 bufpl 280 98727 0 87343 815 1 814 814 0 8 0 anonpl 24 7260825 0 7243819 639 499 140 160 0 185 10 amapchunkpl 152 1659123 0 1658249 493 450 43 52 0 158 3 amappl16 200 175874 0 175264 550 499 51 61 0 8 7 amappl15 192 22 0 22 10 10 0 1 0 8 0 amappl14 184 3117 0 3106 1 0 1 1 0 8 0 amappl13 176 98 0 97 21 20 1 1 0 8 0 amappl12 168 72267 0 72226 12 9 3 3 0 8 0 amappl11 160 54 0 44 1 0 1 1 0 8 0 amappl10 152 9 0 8 2 1 1 1 0 8 0 amappl9 144 128 0 127 2 1 1 1 0 8 0 amappl8 136 37 0 35 1 0 1 1 0 8 0 amappl7 128 2393 0 2381 1 0 1 1 0 8 0 amappl6 120 8205 0 8202 1 0 1 1 0 8 0 amappl5 112 4046 0 4036 1 0 1 1 0 8 0 amappl4 104 5493 0 5477 1 0 1 1 0 8 0 amappl3 96 347199 0 347058 9 4 5 5 0 8 0 amappl2 88 19884 0 19816 6 4 2 3 0 8 0 amappl1 80 406829 0 406260 34 19 15 18 0 8 0 amappl 88 500827 0 500594 12 5 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 72 153 0 23 3 0 3 3 0 8 0 uaddrrnd 24 58053 0 58013 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 58053 0 58013 1 0 1 1 0 8 0 vmmpekpl 168 540118 0 540058 6 1 5 5 0 8 0 vmmpepl 168 3893801 0 3891063 614 463 151 156 0 357 9 vmsppl 440 58052 0 58013 16 11 5 7 0 8 0 rwobjpl 56 1009897 0 996852 250 61 189 191 0 8 0 pdppl 4096 116113 0 116026 1811 1720 91 121 0 8 4 pvpl 32 46777 0 0 371 2 369 369 0 265 0 pmappl 248 58052 0 58013 9 5 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 4111 0 2771 39 0 39 39 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834e6ff0) 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+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff835788f0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835788f0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff800037205700,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:154 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff834e6ff0) 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+0x33 kd_curproc sys/dev/kcov.c:590 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:158 __mp_lock(ffffffff835788f0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835788f0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff800037205700,ffff800000079f80) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:154 end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003720b224,3,20000080,ffff80003720b258,0,0,c72e7731ef9fa40e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff8000347839d0,ffff80003720b390,ffff80003720b2e0) at sys_sysctl+0x422 syscall(ffff80003720b390) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003720b390) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdd3b4a53f20, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830b5bf2) at panic+0x1e5 sys/kern/subr_prf.c:198 uvm_fault_unwire_locked(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire_locked+0x487 sys/uvm/uvm_fault.c:1663 uvm_fault_unwire(fffffd80510d1a68,20000000,20001000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1623 sysctl_vsunlock(20000080,0) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:204 net_sysctl(ffff80003720b224,3,20000080,ffff80003720b258,0,0,c72e7731ef9fa40e) at net_sysctl+0x69a sys/kern/uipc_domain.c:251 sys_sysctl(ffff8000347839d0,ffff80003720b390,ffff80003720b2e0) at sys_sysctl+0x422 syscall(ffff80003720b390) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff80003720b390) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xdd3b4a53f20, count: -9