uvm_fault(0xfffffd8060338028, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND 401499 18917 0 0 0x4000000 1 syz-executor dt_ioctl_record_stop(ffff800001659000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff800035bd3cb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff800035bd3cb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a3705a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8060485d80,81,fffffd80097fd5b0,ffff800035bd3cb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806d6a3838,ffff800035bd3cb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806d6a3838,ffff800035bd3cb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806d6a3838,ffff800035bd3cb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806d6a3838,ffff800035bd3cb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800035bd3cb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800035bd3cb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800035bd3cb8,ffff80002a370910,ffff80002a370860) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a370910) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a370910) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79b0ed4cb5e0, count: 3 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(0xfffffd8060338028, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff800001659000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff800035bd3cb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff800035bd3cb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a3705a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8060485d80,81,fffffd80097fd5b0,ffff800035bd3cb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806d6a3838,ffff800035bd3cb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806d6a3838,ffff800035bd3cb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806d6a3838,ffff800035bd3cb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806d6a3838,ffff800035bd3cb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800035bd3cb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800035bd3cb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800035bd3cb8,ffff80002a370910,ffff80002a370860) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a370910) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a370910) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79b0ed4cb5e0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a3704d0 rbx 0x1 rdx 0 rcx 0xffff800035bd3cb8 rax 0xffffffff83836768 dt_prov_syscall r8 0 r9 0x1 r10 0xf10420906814b0ca r11 0x16d98ebd2809b543 r12 0 r13 0 r14 0 r15 0xffff8000015f9200 rip 0xffffffff81905c28 dt_ioctl_record_stop+0x108 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff80002a3704a0 ss 0 dt_ioctl_record_stop+0x108: movq 0(%r14),%r14 ddb{0}> show proc PROC (syz-executor) tid=61077 pid=65961 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800035bd3cb8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800035bd2560,0xffff800035bd3500 process=0xffff80003c4a1368 user=0xffff80002a36b000, vmspace=0xfffffd8060338028 estcpu=33, cpticks=7, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 37560 171232 40935 0 2 0 syz-executor 37560 268844 40935 0 3 0x4000080 fsleep syz-executor 55664 244404 4562 0 2 0 syz-executor 55664 458895 4562 0 3 0x4000080 fsleep syz-executor 18917 267482 39909 0 2 0 syz-executor 18917 401499 39909 0 7 0x4000000 syz-executor 89568 324826 73831 0 2 0x2 syz-executor 45138 14674 55441 0 2 0 syz-executor 45138 385568 55441 0 3 0x4000080 fsleep syz-executor 45138 129699 55441 0 3 0x4000080 fsleep syz-executor 51258 335638 0 0 3 0x14200 acct acct 33905 369868 1 0 3 0x3000 suspend syz-executor 33905 40941 1 0 2 0x4081000 syz-executor 55441 215944 73831 0 2 0xc82 syz-executor 4562 482388 73831 0 2 0xc82 syz-executor 40935 24241 73831 0 3 0x82 nanoslp syz-executor 95778 426375 1 0 3 0x100083 ttyin getty 61472 254463 73831 0 2 0x2 syz-executor 54138 443918 61613 0 3 0x82 sbwait sshd-session 49551 160502 61613 0 3 0x82 sbwait sshd-session 79058 87862 0 0 3 0x14280 nfsidl nfsio 85605 361032 0 0 3 0x14280 nfsidl nfsio 39146 108105 0 0 3 0x14280 nfsidl nfsio 78124 185391 0 0 3 0x14280 nfsidl nfsio 45522 339178 0 0 3 0x14280 nfsidl nfsio 22977 190025 0 0 3 0x14280 nfsidl nfsio 70912 137344 0 0 3 0x14280 nfsidl nfsio 79164 176446 0 0 3 0x14280 nfsidl nfsio 52962 344671 0 0 3 0x14280 nfsidl nfsio 48701 251691 0 0 3 0x14280 nfsidl nfsio 4570 360215 0 0 3 0x14280 nfsidl nfsio 60886 485245 0 0 3 0x14280 nfsidl nfsio 55587 62769 0 0 3 0x14280 nfsidl nfsio 86010 460396 0 0 3 0x14280 nfsidl nfsio 50 469260 0 0 3 0x14280 nfsidl nfsio 41451 296155 0 0 3 0x14280 nfsidl nfsio 38675 227812 0 0 3 0x14280 nfsidl nfsio 59660 420230 0 0 3 0x14280 nfsidl nfsio 10650 131507 0 0 3 0x14280 nfsidl nfsio 17861 97750 0 0 3 0x14280 nfsidl nfsio 87064 309122 73831 0 2 0x2 syz-executor 39909 192324 73831 0 3 0x82 nanoslp syz-executor 30744 9374 73831 0 3 0x82 nanoslp syz-executor 73831 446058 81125 0 2 0x2 syz-executor 81125 300177 98302 0 3 0x10008a sigsusp ksh 98302 19902 19630 0 3 0x98 kqread sshd-session 19630 205460 61613 0 3 0x92 kqread sshd-session 61613 176163 1 0 3 0x88 kqread sshd 99022 31195 22500 74 3 0x1100092 bpf pflogd 22500 196219 1 0 3 0x80 sbwait pflogd 12284 169745 18222 73 3 0x1100090 kqread syslogd 18222 54150 1 0 3 0x100082 sbwait syslogd 30651 154341 1 0 3 0x100080 kqread resolvd 51055 64197 2397 77 3 0x100092 kqread dhcpleased 29085 284976 2397 77 3 0x100092 kqread dhcpleased 2397 444804 1 0 3 0x80 kqread dhcpleased 89719 271814 0 0 3 0x14200 bored smr 43970 212028 0 0 2 0x14200 zerothread 81447 50940 0 0 3 0x14200 aiodoned aiodoned 4236 230087 0 0 3 0x14200 syncer update 33161 71444 0 0 3 0x14200 cleaner cleaner 99485 96968 0 0 2 0x14200 reaper 52740 33958 0 0 3 0x14200 pgdaemon pagedaemon 48049 66754 0 0 3 0x14200 bored viomb 67733 192478 0 0 3 0x40014200 acpi0 acpi0 38737 173455 0 0 3 0x40014200 idle1 64923 67322 0 0 3 0x14200 bored softnet1 1436 271652 0 0 2 0x14200 softnet0 79765 323240 0 0 3 0x14200 bored systqmp 15891 309434 0 0 3 0x14200 bored systq 95812 484383 0 0 3 0x14200 tmoslp softclockmp 25356 87513 0 0 3 0x40014200 tmoslp softclock 97829 27636 0 0 3 0x40014200 idle0 1 419722 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 18917 (syz-executor) thread 0xffff800035bd22c8 (401499) Process 33905 (syz-executor) thread 0xffff800033bd14f8 (40941) Process 61472 (syz-executor) thread 0xffff800033bd0fc8 (254463) Process 87064 (syz-executor) thread 0xffff8000fffee7e0 (309122) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11096 12167K 13968K 166960K 14284 0 pcb 17 16K 18K 166960K 598 0 rtable 262 17K 17K 166960K 785 0 pf 47 20K 82K 166960K 263 0 ifaddr 40 7K 8K 166960K 159 0 ifgroup 63 2K 2K 166960K 270 0 sysctl 3 1K 9K 166960K 19 0 counters 74 37K 38K 166960K 314 0 ioctlops 0 0K 4K 166960K 1978 0 iov 0 0K 24K 166960K 158 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1498 94K 94K 166960K 3009 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 15 0K 0K 166960K 92 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 244K 166960K 1828 0 sigio 0 0K 0K 166960K 85 0 proc 72 115K 196K 166960K 851 0 subproc 75 4K 5K 166960K 139 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 486 0 in_multi 73 5K 7K 166960K 259 0 ether_multi 1 0K 0K 166960K 25 0 mrt 2 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 849 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 258 193K 204K 166960K 19043 0 UVM aobj 31 14K 14K 166960K 33 0 pinsyscall 45 90K 104K 166960K 3107 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 194 0 NDP 14 0K 2K 166960K 117 0 temp 79 8688K 8816K 166960K 104498 0 kqueue 13 20K 30K 166960K 350 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 26 0 0 1 0 1 1 0 8 0 rtpcb 120 139 0 136 1 0 1 1 0 8 0 rtentry 176 220 0 127 7 1 6 6 0 8 0 unpcb 144 1214 0 1193 9 7 2 4 0 8 1 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpqe 32 4 0 4 2 2 0 1 0 8 0 tcpcb 736 795 0 787 15 8 7 8 0 8 5 arp 136 37 0 18 1 0 1 1 0 8 0 ipq 40 8 0 6 1 0 1 1 0 8 0 ipqe 40 43 0 41 1 0 1 1 0 8 0 inpcb 328 2672 0 2661 32 22 10 13 0 8 8 ip6q 72 19 0 19 3 3 0 1 0 8 0 ip6af 40 38 0 38 3 3 0 1 0 8 0 nd6 152 50 0 32 2 0 2 2 0 8 0 pkpcb 40 8 0 8 3 3 0 1 0 8 0 kcovpl 48 15 0 7 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 97 0 97 5 4 1 1 0 8 1 pppxif 1504 9 0 9 3 3 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pffrag 232 4 0 4 1 1 0 1 0 482 0 pffrnode 88 3 0 3 1 1 0 1 0 8 0 pffrent 40 5 0 5 1 1 0 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 27 0 18 1 0 1 1 0 8 0 pfsrclim 320 2 0 2 2 2 0 1 0 8 0 pfstlim 224 2 0 1 2 1 1 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 5 0 2 1 0 1 1 0 8 0 pfstkey 128 11 0 9 1 0 1 1 0 8 0 pfstate 448 6 0 4 1 0 1 1 0 8 0 pfrule 1360 15 0 10 1 0 1 1 0 8 0 rttmr 136 4 0 3 3 2 1 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 873 0 492 36 11 25 30 0 8 0 art_table 40 877 0 492 6 1 5 5 0 8 0 art_node 32 218 0 133 1 0 1 1 0 8 0 sysvmsgpl 40 44 0 42 2 1 1 1 0 8 0 semapl 112 86 0 73 1 0 1 1 0 8 0 shmpl 112 23 0 1 1 0 1 1 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 4968 0 3448 96 0 96 96 0 8 0 ffsino 296 4968 0 3448 118 0 118 118 0 8 0 nchpl 144 7508 0 5791 64 0 64 64 0 8 0 rtmask 32 25 0 25 4 3 1 1 0 8 1 vnodes 216 5861 0 0 326 0 326 326 0 8 0 namei 1024 28003 0 28001 6 5 1 3 0 8 0 percpumem 16 172 0 120 1 0 1 1 0 8 0 vcpupl 3968 6 0 0 1 0 1 1 0 8 0 vmpool 848 7 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 7 0 3 1 0 1 1 0 8 0 kstatmem 264 182 0 148 5 2 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 10 0 10 6 6 0 1 0 8 0 scxspl 216 40066 0 40066 16 15 1 8 1 8 1 plimitpl 152 402 0 384 1 0 1 1 0 8 0 sigapl 424 2128 0 2059 10 1 9 9 0 8 0 knotepl 120 705 0 0 21 0 21 21 0 8 0 kqueuepl 224 882 0 873 13 12 1 5 0 8 0 pipepl 344 320 0 292 6 3 3 6 0 8 0 fdescpl 528 2088 0 2056 3 0 3 3 0 8 0 filepl 160 15217 0 14988 29 14 15 17 0 8 2 lockfpl 104 970 0 968 4 3 1 2 0 8 0 lockfspl 48 351 0 348 1 0 1 1 0 8 0 sessionpl 144 32 0 21 1 0 1 1 0 8 0 pgrppl 48 63 0 43 1 0 1 1 0 8 0 ucredpl 104 2514 0 2500 1 0 1 1 0 8 0 zombiepl 144 3146 0 3144 1 0 1 1 0 8 0 processpl 1232 2128 0 2059 6 0 6 6 0 8 0 procpl 664 5245 0 5169 8 0 8 8 0 8 0 sosppl 176 9 0 9 4 4 0 1 0 8 0 sockpl 752 4089 0 4054 37 24 13 19 0 8 8 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 125 0 0 16 0 16 16 0 8 0 mcl2k 2048 46 0 0 5 0 5 5 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 1244 0 0 75 0 75 75 0 8 0 bufpl 280 14309 0 8173 439 0 439 439 0 8 0 anonpl 32 11990 0 0 97 0 97 97 0 246 0 amapchunkpl 152 65058 0 64575 47 24 23 33 0 158 0 amappl16 200 6952 0 6845 44 34 10 22 0 8 0 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 8 0 8 2 2 0 1 0 8 0 amappl13 176 502 0 501 1 0 1 1 0 8 0 amappl12 168 2495 0 2450 3 0 3 3 0 8 0 amappl11 160 6 0 6 1 1 0 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 103 0 102 1 0 1 1 0 8 0 amappl6 120 392 0 377 1 0 1 1 0 8 0 amappl5 112 76 0 63 1 0 1 1 0 8 0 amappl4 104 461 0 428 1 0 1 1 0 8 0 amappl3 96 11270 0 11185 4 1 3 3 0 8 0 amappl2 88 2208 0 2114 3 0 3 3 0 8 0 amappl1 80 16991 0 16242 17 0 17 17 0 8 0 amappl 88 17911 0 17747 5 0 5 5 0 92 0 uvmvnodes 80 159 0 0 4 0 4 4 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 9 0 9 4 4 0 1 0 8 0 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 8 0 8 2 2 0 1 0 8 0 dma32 32 9 0 9 3 3 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 32 0 2 1 0 1 1 0 8 0 uaddrrnd 24 2088 0 2056 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2088 0 2056 1 0 1 1 0 8 0 vmmpekpl 168 18017 0 17955 4 0 4 4 0 8 0 vmmpepl 168 138421 0 136220 131 25 106 115 0 357 0 vmsppl 488 2087 0 2056 6 1 5 5 0 8 0 rwobjpl 80 38570 0 37181 35 2 33 35 0 8 0 pdppl 4096 4197 0 4120 132 50 82 83 0 8 5 pvpl 32 19932 0 0 161 1 160 160 0 265 0 pmappl 256 2094 0 2057 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 408 0 85 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff800001659000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(31e5f,81,2000,ffff800035bd3cb8) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(31e5f,81,2000,ffff800035bd3cb8) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a3705a0) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8060485d80,81,fffffd80097fd5b0,ffff800035bd3cb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806d6a3838,ffff800035bd3cb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806d6a3838,ffff800035bd3cb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806d6a3838,ffff800035bd3cb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806d6a3838,ffff800035bd3cb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800035bd3cb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800035bd3cb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800035bd3cb8,ffff80002a370910,ffff80002a370860) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a370910) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a370910) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x79b0ed4cb5e0, count: -12 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83932bc0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83932bc0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83932bc0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff838dcc48,9) at pool_get+0x27e sys/kern/subr_pool.c:595 lf_advlock(ffff800001586b60,0,fffffd807a7d9208,8,ffff80002a2ec2d0,30) at lf_advlock+0x2b1 sys/kern/vfs_lockf.c:272 VOP_ADVLOCK(fffffd8060485360,fffffd807a7d9208,8,ffff80002a2ec2d0,30) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623 doopenat(ffff800035bd22c8,ffffff9c,200000000080,20,0,ffff80002a2ec3d0) at doopenat+0x512 sys/kern/vfs_syscalls.c:1170 syscall(ffff80002a2ec480) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ec480) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda9664d5050, count: 3 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83932bc0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83932bc0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:173 __mp_acquire_count(ffffffff83932bc0,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 pool_get(ffffffff838dcc48,9) at pool_get+0x27e sys/kern/subr_pool.c:595 lf_advlock(ffff800001586b60,0,fffffd807a7d9208,8,ffff80002a2ec2d0,30) at lf_advlock+0x2b1 sys/kern/vfs_lockf.c:272 VOP_ADVLOCK(fffffd8060485360,fffffd807a7d9208,8,ffff80002a2ec2d0,30) at VOP_ADVLOCK+0x87 sys/kern/vfs_vops.c:623 doopenat(ffff800035bd22c8,ffffff9c,200000000080,20,0,ffff80002a2ec3d0) at doopenat+0x512 sys/kern/vfs_syscalls.c:1170 syscall(ffff80002a2ec480) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2ec480) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda9664d5050, count: -12