login: uvm_fault(0xfffffd800b0273d0, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 TID PID UID PRFLAGS PFLAGS CPU COMMAND dt_ioctl_record_stop(ffff80000161e000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80002a34ed08) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a34ed08) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000388110d0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805eabd998,81,fffffd80097fb270,ffff80002a34ed08) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805bde5cc8,ffff80002a34ed08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805bde5cc8,ffff80002a34ed08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805bde5cc8,ffff80002a34ed08) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805bde5cc8,ffff80002a34ed08) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a34ed08) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a34ed08,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a34ed08,ffff800038811440,ffff800038811390) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038811440) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038811440) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7185764fe4c0, 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(0xfffffd800b0273d0, 0x0, 0, 1) -> e ddb{0}> trace dt_ioctl_record_stop(ffff80000161e000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80002a34ed08) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a34ed08) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000388110d0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805eabd998,81,fffffd80097fb270,ffff80002a34ed08) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805bde5cc8,ffff80002a34ed08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805bde5cc8,ffff80002a34ed08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805bde5cc8,ffff80002a34ed08) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805bde5cc8,ffff80002a34ed08) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a34ed08) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a34ed08,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a34ed08,ffff800038811440,ffff800038811390) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038811440) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038811440) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7185764fe4c0, count: -12 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff800038811000 rbx 0xffffffff82bdf570 dtclose rdx 0 rcx 0xffff80002a34ed08 rax 0xffffffff838981b8 dt_prov_syscall r8 0x90 r9 0 r10 0x4148c3487732591f r11 0x36de55e17c75ae25 r12 0xffff80000006d600 r13 0 r14 0 r15 0xffff8000014a0100 rip 0xffffffff82bdf950 dt_ioctl_record_stop+0xf0 cs 0x8 rflags 0x10207 __ALIGN_SIZE+0xf207 rsp 0xffff800038810fd0 ss 0x10 dt_ioctl_record_stop+0xf0: movq 0(%r14),%r12 ddb{0}> show proc PROC (syz-executor) tid=132384 pid=34310 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a34ed08 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a34ea78,0xffff80002a34e2d8 process=0xffff8000388170e0 user=0xffff80003880c000, vmspace=0xfffffd800b0273d0 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 73437 492307 40749 0 2 0 syz-executor 73437 79982 40749 0 2 0x4000000 syz-executor 73437 354315 40749 0 3 0x4000000 inode syz-executor 73437 293788 40749 0 3 0x4000080 fsleep syz-executor 23070 237585 95984 0 2 0 syz-executor 23070 75641 95984 0 3 0x4000080 fsleep syz-executor 71558 413227 32282 0 3 0x80 nanoslp syz-executor 71558 496159 32282 0 3 0x4000080 fifow syz-executor 71558 96351 32282 0 3 0x4000080 fsleep syz-executor 94261 349173 15691 0 4 0x82000 syz-executor 94261 224516 15691 0 2 0x4082000 syz-executor 94261 408453 15691 0 3 0x4082000 inode syz-executor 94261 10450 15691 0 3 0x4082000 inode syz-executor 94261 152036 15691 0 3 0x4082000 inode syz-executor 94261 209241 15691 0 4 0x4082000 syz-executor 94261 123679 15691 0 3 0x4002000 suspend syz-executor 66229 392806 1 0 3 0x100083 ttyin getty 15691 159085 95043 0 3 0x82 nanoslp syz-executor 44215 269630 0 0 3 0x14200 bored sosplice 95984 234567 95043 0 3 0x82 nanoslp syz-executor 40749 336092 95043 0 2 0x2 syz-executor 60168 57158 95043 0 3 0x82 nanoslp syz-executor 53800 322795 95043 0 3 0x82 nanoslp syz-executor 29901 449305 95043 0 3 0x82 nanoslp syz-executor 59239 455148 95043 0 3 0x82 nanoslp syz-executor 32282 32970 95043 0 3 0x82 nanoslp syz-executor 95043 513512 6986 0 3 0x82 kqread syz-executor 6986 436859 79535 0 3 0x10008a sigsusp ksh 79535 19582 4307 0 3 0x98 kqread sshd-session 4307 478132 43033 0 3 0x92 kqread sshd-session 43033 430452 1 0 3 0x88 kqread sshd 92542 40092 94479 74 3 0x1100092 bpf pflogd 94479 68944 1 0 3 0x80 sbwait pflogd 1036 236864 90156 73 3 0x1100090 kqread syslogd 90156 480943 1 0 3 0x100082 sbwait syslogd 80360 291572 1 0 2 0x100000 resolvd 30203 128799 33421 77 2 0x100012 dhcpleased 71529 420400 33421 77 3 0x100092 kqread dhcpleased 33421 83383 1 0 3 0x80 kqread dhcpleased 23376 436123 0 0 3 0x14200 bored smr 80558 186721 0 0 3 0x14200 pgzero zerothread 118 480470 0 0 3 0x14200 aiodoned aiodoned 61583 238106 0 0 3 0x14200 syncer update 11492 455563 0 0 3 0x14200 cleaner cleaner 34275 319146 0 0 2 0x14200 reaper 80767 336801 0 0 3 0x14200 pgdaemon pagedaemon 69609 176693 0 0 3 0x14200 bored viomb 42849 425798 0 0 3 0x40014200 acpi0 acpi0 39645 311335 0 0 3 0x40014200 idle1 78614 248497 0 0 3 0x14200 bored softnet7 53415 18802 0 0 3 0x14200 bored softnet6 9362 428094 0 0 3 0x14200 bored softnet5 15322 23075 0 0 3 0x14200 bored softnet4 56014 487687 0 0 3 0x14200 bored softnet3 66999 158285 0 0 3 0x14200 bored softnet2 50599 62803 0 0 3 0x14200 bored softnet1 99266 321700 0 0 3 0x14200 tqbarend softnet0 14340 87983 0 0 3 0x14200 bored systqmp 86600 426513 0 0 3 0x14200 bored systq 16168 325385 0 0 3 0x14200 tmoslp softclockmp 87275 335073 0 0 3 0x40014200 tmoslp softclock 32236 494964 0 0 3 0x40014200 idle0 1 314167 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 1: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806b4a3010) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pmap_do_remove+0xa9 rcr3 machine/cpufunc.h:139 [inline] #3 pmap_do_remove+0xa9 pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_do_remove+0xa9 sys/arch/amd64/amd64/pmap.c:1824 #4 uvm_unmap_kill_entry_withlock+0x26f sys/uvm/uvm_map.c:1863 #5 uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] #5 uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 #6 exit1+0x723 sys/kern/kern_exit.c:260 #7 sys_exit+0x1a sys/kern/kern_exit.c:-1 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 73437 (syz-executor) thread 0xffff80002a34fc68 (79982) Process 73437 (syz-executor) thread 0xffff80002a34e038 (354315) Process 94261 (syz-executor) thread 0xffff80003b82d4a8 (224516) Process 94261 (syz-executor) thread 0xffff800033bf9c50 (408453) Process 99266 (softnet0) thread 0xffff8000ffffe000 (321700) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10259 11081K 11871K 166960K 14366 0 pcb 19 14K 16K 166960K 465 0 rtable 156 9K 10K 166960K 555 0 pf 40 18K 25K 166960K 173 0 ifaddr 33 5K 8K 166960K 114 0 ifgroup 62 2K 3K 166960K 184 0 sysctl 4 1K 9K 166960K 26 0 counters 70 37K 38K 166960K 210 0 ioctlops 0 0K 4K 166960K 1834 0 iov 0 0K 24K 166960K 95 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1486 93K 94K 166960K 3379 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 28 0 VM map 2 1K 1K 166960K 2 0 sem 13 20K 20K 166960K 144 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 1797 0 sigio 0 0K 0K 166960K 28 0 proc 72 115K 180K 166960K 783 0 subproc 72 4K 4K 166960K 82 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 330 0 in_multi 57 4K 7K 166960K 177 0 ether_multi 1 0K 0K 166960K 15 0 mrt 4 0K 0K 166960K 11 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 247 1102K 1102K 166960K 247 0 exec 0 0K 1K 166960K 535 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 253 152K 169K 166960K 18521 0 UVM aobj 131 8K 8K 166960K 136 0 pinsyscall 42 84K 103K 166960K 2955 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 80 0 NDP 14 0K 2K 166960K 74 0 temp 79 8684K 8764K 166960K 78121 0 kqueue 15 22K 30K 166960K 300 0 SYN cache 2 8K 16K 166960K 3 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 120 251 0 248 3 0 3 3 0 8 2 rtentry 176 158 0 106 5 1 4 5 0 8 0 unpcb 144 1181 0 1159 6 5 1 4 0 8 0 syncache 336 9 0 9 4 3 1 1 0 8 1 tcpcb 736 685 0 678 18 14 4 7 0 8 3 arp 128 20 0 10 1 0 1 1 0 8 0 inpcb 328 2105 0 2090 21 14 7 12 0 8 5 nd6 144 25 0 16 1 0 1 1 0 8 0 pkpcb 40 14 0 14 3 2 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 55 0 54 3 2 1 1 0 8 0 pppxif 1504 10 0 10 3 2 1 1 0 8 1 pfstscr 40 3 0 2 2 1 1 1 0 8 0 pffrag 232 44 0 34 1 0 1 1 0 482 0 pffrnode 88 8 0 0 1 0 1 1 0 8 0 pffrent 40 79 0 69 1 0 1 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 2 0 2 1 0 1 1 0 8 1 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 6 0 0 1 0 1 1 0 8 0 pfstitem 24 123 0 36 1 0 1 1 0 8 0 pfstkey 128 125 0 39 3 0 3 3 0 8 0 pfstate 384 122 0 37 9 0 9 9 0 8 0 pfrule 1344 64 0 59 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 1 3 1 2 3 0 8 0 art_heap4 256 792 0 519 30 6 24 30 0 8 0 art_table 40 795 0 520 5 0 5 5 0 8 0 art_node 32 157 0 116 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 7 1 0 1 1 0 8 0 semupl 112 3 0 3 3 3 0 1 0 8 0 semapl 112 134 0 123 1 0 1 1 0 8 0 shmpl 112 133 0 5 4 0 4 4 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 4917 0 3414 95 0 95 95 0 8 0 ffsino 296 4917 0 3414 117 0 117 117 0 8 0 nchpl 144 7438 0 5738 64 0 64 64 0 8 0 rtmask 32 10 0 10 2 1 1 1 0 8 1 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 26955 0 26951 4 3 1 2 0 8 0 percpumem 16 120 0 70 1 0 1 1 0 8 0 kstatmem 264 112 0 81 4 1 3 3 0 8 0 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 6 0 6 3 2 1 1 0 8 1 scxspl 216 55800 0 55800 11 10 1 8 1 8 1 plimitpl 152 399 0 380 1 0 1 1 0 8 0 sigapl 424 2110 0 2055 7 0 7 7 0 8 0 knotepl 120 543 0 0 17 0 17 17 0 8 0 kqueuepl 224 712 0 702 12 11 1 5 0 8 0 pipepl 344 409 0 382 12 9 3 9 0 8 0 fdescpl 528 2080 0 2049 3 0 3 3 0 8 0 filepl 160 15091 0 14830 32 17 15 20 0 8 4 lockfpl 104 1398 0 1396 5 3 2 2 0 8 1 lockfspl 48 629 0 627 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 56 0 39 1 0 1 1 0 8 0 ucredpl 104 2718 0 2705 1 0 1 1 0 8 0 zombiepl 144 2520 0 2516 1 0 1 1 0 8 0 processpl 1248 2110 0 2055 5 0 5 5 0 8 0 procpl 656 5153 0 5085 8 1 7 7 0 8 0 sosppl 168 16 0 16 4 3 1 1 0 8 1 sockpl 752 3620 0 3580 27 17 10 17 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k 2048 56 0 0 6 0 6 6 0 8 0 mtagpl 96 79 0 0 2 0 2 2 0 8 0 mbufpl 256 1254 0 0 78 0 78 78 0 8 0 bufpl 280 23975 0 17831 440 0 440 440 0 8 0 anonpl 32 11433 0 0 93 0 93 93 0 246 0 amapchunkpl 152 64181 0 63620 50 22 28 35 0 158 5 amappl16 200 7922 0 7687 49 32 17 23 0 8 3 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 134 0 122 1 0 1 1 0 8 0 amappl13 176 7 0 7 2 2 0 1 0 8 0 amappl12 168 2764 0 2733 3 1 2 2 0 8 0 amappl11 160 46 0 32 1 0 1 1 0 8 0 amappl10 152 8 0 7 1 0 1 1 0 8 0 amappl9 144 275 0 274 1 0 1 1 0 8 0 amappl8 136 33 0 31 1 0 1 1 0 8 0 amappl7 128 114 0 102 1 0 1 1 0 8 0 amappl6 120 196 0 193 1 0 1 1 0 8 0 amappl5 112 134 0 124 1 0 1 1 0 8 0 amappl4 104 330 0 310 1 0 1 1 0 8 0 amappl3 96 12852 0 12726 4 0 4 4 0 8 0 amappl2 88 707 0 643 2 0 2 2 0 8 0 amappl1 80 16171 0 15568 17 2 15 15 0 8 0 amappl 88 17475 0 17292 5 0 5 5 0 92 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 11 0 11 5 4 1 1 0 8 1 dma128 128 255 0 255 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 135 0 5 3 0 3 3 0 8 0 uaddrrnd 24 2080 0 2049 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2080 0 2049 1 0 1 1 0 8 0 vmmpekpl 168 18711 0 18669 3 0 3 3 0 8 0 vmmpepl 168 137596 0 135351 116 8 108 108 0 357 5 vmsppl 488 2079 0 2048 5 1 4 5 0 8 0 rwobjpl 80 43391 0 36162 148 0 148 148 0 8 0 pdppl 4096 4168 0 4096 104 32 72 84 0 8 0 pvpl 32 19992 0 0 162 0 162 162 0 265 0 pmappl 256 2079 0 2048 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 374 0 65 9 0 9 9 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace dt_ioctl_record_stop(ffff80000161e000) at dt_ioctl_record_stop+0xf0 sys/dev/dt/dt_dev.c:580 dtclose(11e5f,81,2000,ffff80002a34ed08) at dtclose+0x105 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a34ed08) at dtclose+0x105 sys/dev/dt/dt_dev.c:232 spec_close(ffff8000388110d0) at spec_close+0x45f sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805eabd998,81,fffffd80097fb270,ffff80002a34ed08) at VOP_CLOSE+0x133 sys/kern/vfs_vops.c:156 vn_closefile(fffffd805bde5cc8,ffff80002a34ed08) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd805bde5cc8,ffff80002a34ed08) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd805bde5cc8,ffff80002a34ed08) at fdrop+0x126 sys/kern/kern_descrip.c:1267 closef(fffffd805bde5cc8,ffff80002a34ed08) at closef+0x192 sys/kern/kern_descrip.c:1251 fdfree(ffff80002a34ed08) at fdfree+0x116 sys/kern/kern_descrip.c:1182 exit1(ffff80002a34ed08,0,0,1) at exit1+0x59c sys/kern/kern_exit.c:215 sys_exit(ffff80002a34ed08,ffff800038811440,ffff800038811390) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800038811440) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038811440) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7185764fe4c0, 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 exit1(ffff80002a2a9c48,b,0,1) at exit1+0x728 sys/kern/kern_exit.c:260 sys_exit(ffff80002a2a9c48,ffff800033bf70c0,ffff800033bf7010) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800033bf70c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033bf70c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f94a82ce350, count: 7 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 exit1(ffff80002a2a9c48,b,0,1) at exit1+0x728 sys/kern/kern_exit.c:260 sys_exit(ffff80002a2a9c48,ffff800033bf70c0,ffff800033bf7010) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff800033bf70c0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800033bf70c0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6f94a82ce350, count: -8