c´<ªØøƒŽe÷|kˆSÒï0E²o«xͨKÒQ Â÷ðšoÙYüïUwŠœ›Ë5\*§üð†Q§žÞSL¨KGEè—ˆãúÄV0¸L­Ô–âø=¥91q&-驆¼€)ó‰vk^B£Ôzž&¶2Ä9¸N‚Dàï+Pj—$ô}7‰\z3Úû‰1ÿ˜°žXÉ…E%ís`ºk5÷ï«b'«qS^&!b?J.T±e5îÐ嶋ßûrHâë½Y(‰*2àC¯?µôîð³ãô†›ÕºÂèšx¡+®Å+Œxø8iZnBLj‚ÿéÆßð_dw)ciªCM1ü¿…Ã1ÄMHç$΄™%v; À›J±uÓ!»Çoš©XM×Ý%¥ :#EÌNäÞtŸ§(b%âFmû"Š\Ž™ÉÊ»panic: pool_do_get: fdescpl free list modified: page 0xfffffd806f19f000; item addr 0xfffffd806f19fba8; offset 0x48=0xdeaf4153 Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 407852 72335 0 0x2 0 1 syz-executor.4 *341116 90860 0 0x2 0 0K syz-executor.7 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82808c61) at panic+0x17b sys/kern/subr_prf.c:198 pool_do_get(ffffffff82cb6898,9,ffff800027b4b418) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82cb6898,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff80002e461940) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff80002e461940) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff8000211d92b0,ffff80002e461940,1) at process_new+0x2bc sys/kern/kern_fork.c:257 fork1(ffff8000212dcaa0,1,ffffffff822cea20,0,ffff800027b4b670,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff800027b4b6f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027b4b6f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75e12764a7c0, 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: pool_do_get: fdescpl free list modified: page 0xfffffd806f19f000; item addr 0xfffffd806f19fba8; offset 0x48=0xdeaf4153 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82808c61) at panic+0x17b sys/kern/subr_prf.c:198 pool_do_get(ffffffff82cb6898,9,ffff800027b4b418) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82cb6898,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff80002e461940) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff80002e461940) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff8000211d92b0,ffff80002e461940,1) at process_new+0x2bc sys/kern/kern_fork.c:257 fork1(ffff8000212dcaa0,1,ffffffff822cea20,0,ffff800027b4b670,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff800027b4b6f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027b4b6f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75e12764a7c0, count: -9 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800027b4b260 rbx 0xffffffff82b9eb9f cpu_info_full_primary+0x2b9f rdx 0 rcx 0xffff8000212dcaa0 rax 0xffffffff82b9dff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xdca6329daf6c2bce r11 0xfc8870863d9537a7 r12 0xffffffff82b9e9a0 cpu_info_full_primary+0x29a0 r13 0 r14 0 r15 0x1 rip 0xffffffff82131f9c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800027b4b250 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) pid=341116 stat=onproc flags process=2 proc=0 pri=16, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000212dd298,0xffff8000212c6828 process=0xffff80002e461940 user=0xffff800027b46000, vmspace=0xfffffd807eff8000 estcpu=32, cpticks=2, pctcpu=1.48 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 87977 288701 35608 0 2 0 syz-executor.0 62099 332020 30226 0 2 0 syz-executor.5 47400 178344 38511 0 2 0 syz-executor.3 35829 205793 76444 0 2 0 syz-executor.2 76444 63882 13975 0 3 0x82 nanoslp syz-executor.2 33461 202081 13975 0 3 0x82 piperd syz-executor.6 7347 105231 0 0 3 0x14280 nfsidl nfsio 93283 84972 0 0 3 0x14280 nfsidl nfsio 57502 136467 0 0 3 0x14280 nfsidl nfsio 57269 319992 0 0 3 0x14280 nfsidl nfsio 46805 160040 0 0 3 0x14280 nfsidl nfsio 52229 129057 0 0 3 0x14280 nfsidl nfsio 38578 32662 0 0 3 0x14280 nfsidl nfsio 57054 175778 0 0 3 0x14280 nfsidl nfsio 36267 154286 0 0 3 0x14280 nfsidl nfsio 55356 227415 0 0 3 0x14280 nfsidl nfsio 65045 272227 0 0 3 0x14280 nfsidl nfsio 53493 290225 0 0 3 0x14280 nfsidl nfsio 48517 236787 0 0 3 0x14280 nfsidl nfsio 21096 366463 0 0 3 0x14280 nfsidl nfsio 71833 156745 0 0 3 0x14280 nfsidl nfsio 30805 358780 0 0 3 0x14280 nfsidl nfsio 41568 93777 0 0 3 0x14280 nfsidl nfsio 80763 113230 0 0 3 0x14280 nfsidl nfsio 52862 480114 0 0 3 0x14280 nfsidl nfsio 43864 420820 0 0 3 0x14280 nfsidl nfsio 72335 407852 13975 0 7 0x2 syz-executor.4 30226 343852 13975 0 2 0x2 syz-executor.5 35608 357054 13975 0 3 0x82 nanoslp syz-executor.0 38511 107459 13975 0 2 0x2 syz-executor.3 51459 92852 13975 0 2 0x2 syz-executor.1 *90860 341116 13975 0 7 0x2 syz-executor.7 38114 288588 1 0 3 0x100083 ttyin getty 56166 157613 0 0 3 0x14200 bored sosplice 13975 216842 82963 0 3 0x2000082 wait syz-fuzzer 13975 199256 82963 0 3 0x6000082 nanoslp syz-fuzzer 13975 177417 82963 0 3 0x6000082 thrsleep syz-fuzzer 13975 67427 82963 0 3 0x6000082 wait syz-fuzzer 13975 264411 82963 0 3 0x6000082 thrsleep syz-fuzzer 13975 23957 82963 0 3 0x6000082 thrsleep syz-fuzzer 13975 487587 82963 0 3 0x6000082 thrsleep syz-fuzzer 13975 201413 82963 0 3 0x6000082 wait syz-fuzzer 13975 127373 82963 0 3 0x6000082 kqread syz-fuzzer 13975 211697 82963 0 3 0x6000082 wait syz-fuzzer 13975 401044 82963 0 3 0x6000082 thrsleep syz-fuzzer 13975 391108 82963 0 3 0x6000082 wait syz-fuzzer 13975 116223 82963 0 3 0x6000082 wait syz-fuzzer 13975 505192 82963 0 2 0x6000002 syz-fuzzer 13975 431310 82963 0 3 0x6000082 wait syz-fuzzer 13975 114430 82963 0 3 0x6000082 wait syz-fuzzer 82963 12506 16454 0 3 0x10008a sigsusp ksh 16454 153711 41566 0 2 0x12 sshd 41566 308337 1 0 3 0x88 kqread sshd 6728 347306 49765 74 3 0x1100092 bpf pflogd 49765 416432 1 0 3 0x80 netio pflogd 40417 40659 52424 73 3 0x1100090 kqread syslogd 52424 16560 1 0 3 0x100082 netio syslogd 74368 447965 1 0 3 0x100080 kqread resolvd 5266 341165 70314 77 3 0x100092 kqread dhcpleased 23301 385643 70314 77 3 0x100092 kqread dhcpleased 70314 420054 1 0 3 0x80 kqread dhcpleased 34679 339588 0 0 3 0x14200 bored smr 90979 401742 0 0 2 0x14200 zerothread 17612 29915 0 0 3 0x14200 aiodoned aiodoned 88681 50022 0 0 3 0x14200 syncer update 16279 270886 0 0 3 0x14200 cleaner cleaner 76675 181413 0 0 3 0x14200 reaper reaper 29205 333452 0 0 3 0x14200 pgdaemon pagedaemon 1832 431317 0 0 3 0x14200 bored viomb 47048 326051 0 0 3 0x40014200 acpi0 acpi0 57935 351043 0 0 3 0x40014200 idle1 96609 143219 0 0 3 0x14200 bored softnet3 13362 254295 0 0 3 0x14200 bored softnet2 14885 36542 0 0 3 0x14200 bored softnet1 74586 231508 0 0 2 0x14200 softnet0 91185 261100 0 0 3 0x14200 bored systqmp 62862 503863 0 0 3 0x14200 bored systq 96294 145835 0 0 2 0x40014200 softclock 7379 514431 0 0 3 0x40014200 idle0 1 247934 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex fdescpl r = 0 (0xffffffff82cb68a8) #0 witness_lock+0x447 #1 mtx_enter_try+0x104 #2 mtx_enter+0x4f sys/kern/kern_lock.c:266 #3 pool_get+0xc1 sys/kern/subr_pool.c:579 #4 fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] #4 fdcopy+0x48 sys/kern/kern_descrip.c:1106 #5 process_new+0x2bc sys/kern/kern_fork.c:257 #6 fork1+0x318 sys/kern/kern_fork.c:383 #7 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #7 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #8 Xsyscall+0x128 Process 90860 (syz-executor.7) thread 0xffff8000212dcaa0 (341116) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10233 6522K 7225K 78643K 57372 0 pcb 13 16K 18K 78643K 1158 0 rtable 249 7K 7K 78643K 2235 0 pf 32 9K 10K 78643K 590 0 ifaddr 45 17K 18K 78643K 384 0 ifgroup 55 2K 2K 78643K 888 0 sysctl 2 0K 2K 78643K 59 0 counters 60 35K 36K 78643K 520 0 ioctlops 0 0K 4K 78643K 2558 0 iov 0 0K 24K 78643K 1852 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1569 98K 99K 78643K 16849 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 253 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 6502 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 14 49K 85K 78643K 27834 0 sigio 0 0K 0K 78643K 1666 0 proc 70 91K 128K 78643K 3004 0 subproc 104 6K 6K 78643K 533 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 708 0 in_multi 99 7K 7K 78643K 691 0 ether_multi 1 0K 0K 78643K 16 0 mrt 1 0K 0K 78643K 5 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 253 1129K 1129K 78643K 253 0 exec 0 0K 1K 78643K 3431 0 pfkey data 0 0K 0K 78643K 9 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 456 97K 115K 78643K 276138 0 UVM aobj 131 4K 4K 78643K 131 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 537 0 NDP 12 0K 1K 78643K 324 0 temp 75 5920K 6048K 78643K 227377 0 kqueue 12 18K 28K 78643K 1823 0 SYN cache 2 16K 24K 78643K 3 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 788 0 785 9 8 1 3 0 8 0 rtentry 112 627 0 511 4 0 4 4 0 8 0 unpcb 144 12852 0 12837 169 165 4 6 0 8 3 syncache 304 297 0 297 43 43 0 1 0 8 0 tcpqe 32 272 0 272 32 32 0 1 0 8 0 tcpcb 808 9512 0 9502 226 221 5 15 0 8 3 arp 120 90 0 71 1 0 1 1 0 8 0 inpcb 368 17999 0 17985 290 285 5 16 0 8 2 nd6 136 142 0 113 3 1 2 2 0 8 0 pkpcb 40 97 0 97 12 12 0 1 0 8 0 kcovpl 48 41 0 33 1 0 1 1 0 8 0 ppxss 1256 87 0 87 24 23 1 1 0 8 1 pffrag 232 183 0 181 4 3 1 1 0 482 0 pffrnode 88 183 0 181 4 3 1 1 0 8 0 pffrent 40 755 0 753 4 3 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 pfstitem 24 781 0 761 1 0 1 1 0 8 0 pfstkey 128 781 0 761 2 1 1 2 0 8 0 pfstate 376 781 0 761 17 14 3 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2051 0 1553 37 4 33 33 0 8 0 art_table 32 2052 0 1553 5 0 5 5 0 8 0 art_node 16 498 0 392 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semapl 112 6465 0 6455 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 37857 0 36248 102 0 102 102 0 8 0 ffsino 272 37857 0 36248 108 0 108 108 0 8 0 nchpl 144 74857 0 74352 63 40 23 63 0 8 0 uvmvnodes 80 9640 0 0 197 0 197 197 0 8 0 vnodes 216 9640 0 0 536 0 536 536 0 8 0 namei 1024 240565 0 240565 14 13 1 2 0 8 1 percpumem 16 273 0 230 1 0 1 1 0 8 0 vmpool 696 384 0 384 31 30 1 1 0 8 1 kstatmem 264 484 0 460 2 0 2 2 0 8 0 scxspl 216 240958 0 240958 69 66 3 8 1 8 3 plimitpl 152 2496 0 2480 1 0 1 1 0 8 0 sigapl 424 28160 0 28095 10 2 8 8 0 8 0 futexpl 64 238359 0 238359 12 11 1 1 0 8 1 knotepl 120 1153 0 0 18 1 17 18 0 8 0 kqueuepl 216 12454 0 12445 164 156 8 8 0 8 7 pipepl 320 31547 0 31519 283 275 8 14 0 8 4 fdescpl 496 28078 0 28051 5 1 4 5 0 8 0 pool(0xffffffff82cb6898:fdescpl): page inconsistency: page 0xfffffd806f19f000; 1 on list, 6 missing, 8 items per page filepl 152 209015 0 208777 323 306 17 27 0 8 4 lockfpl 104 13417 0 13415 21 19 2 4 0 8 1 lockfspl 48 5408 0 5406 2 1 1 2 0 8 0 sessionpl 144 59 0 42 1 0 1 1 0 8 0 pgrppl 48 547 0 530 1 0 1 1 0 8 0 ucredpl 104 20473 0 20454 1 0 1 1 0 8 0 zombiepl 144 28095 0 28095 3 2 1 1 0 8 1 processpl 1072 28161 0 28095 5 0 5 5 0 8 0 procpl 680 78459 0 78377 23 14 9 10 0 8 0 sosppl 168 303 0 302 28 27 1 1 0 8 0 sockpl 488 31859 0 31828 642 629 13 29 0 8 7 mcl64k 65536 34 0 0 4 1 3 3 0 8 0 mcl16k 16384 33 0 0 3 0 3 3 0 8 0 mcl12k 12288 49 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 37 0 0 3 0 3 3 0 8 0 mcl4k 4096 95 0 0 7 4 3 5 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 549 0 0 34 13 21 34 0 8 0 mtagpl 96 1537 0 0 29 0 29 29 0 8 0 mbufpl 256 3224 0 0 156 0 156 156 0 8 0 bufpl 288 50110 0 40465 690 0 690 690 0 8 0 anonpl 24 2658751 0 2645121 312 199 113 164 0 186 0 amapchunkpl 152 872230 0 871499 230 188 42 65 0 158 7 amappl16 200 51941 0 51560 236 205 31 34 0 8 8 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 268 0 255 2 1 1 2 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 29269 0 29239 3 1 2 2 0 8 0 amappl11 160 128 0 112 1 0 1 1 0 8 0 amappl10 152 80 0 67 1 0 1 1 0 8 0 amappl9 144 455 0 454 1 0 1 1 0 8 0 amappl8 136 1268 0 1025 9 0 9 9 0 8 0 amappl7 128 252 0 238 2 0 2 2 0 8 0 amappl6 120 699 0 676 2 1 1 2 0 8 0 amappl5 112 867 0 855 1 0 1 1 0 8 0 amappl4 104 1147 0 1097 3 1 2 3 0 8 0 amappl3 96 171153 0 171096 4 1 3 3 0 8 0 amappl2 88 29287 0 29216 3 1 2 3 0 8 0 amappl1 80 107822 0 107281 23 10 13 23 0 8 0 amappl 88 274631 0 274423 9 2 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 28463 0 28436 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 28463 0 28436 1 0 1 1 0 8 0 vmmpekpl 168 316788 0 316713 4 0 4 4 0 8 0 vmmpepl 168 1652640 0 1650266 416 281 135 144 0 357 4 vmsppl 464 28462 0 28436 5 1 4 5 0 8 0 rwobjpl 56 398251 0 386861 185 23 162 162 0 8 0 pdppl 4096 56934 0 56872 828 758 70 80 0 8 8 pvpl 32 7724779 0 7705331 979 754 225 366 0 265 37 pmappl 248 28462 0 28436 3 1 2 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2556 0 1338 35 0 35 35 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff82808c61) at panic+0x17b sys/kern/subr_prf.c:198 pool_do_get(ffffffff82cb6898,9,ffff800027b4b418) at pool_do_get+0x484 sys/kern/subr_pool.c:739 pool_get(ffffffff82cb6898,9) at pool_get+0xed sys/kern/subr_pool.c:582 fdcopy(ffff80002e461940) at fdcopy+0x48 fdinit sys/kern/kern_descrip.c:1067 [inline] fdcopy(ffff80002e461940) at fdcopy+0x48 sys/kern/kern_descrip.c:1106 process_new(ffff8000211d92b0,ffff80002e461940,1) at process_new+0x2bc sys/kern/kern_fork.c:257 fork1(ffff8000212dcaa0,1,ffffffff822cea20,0,ffff800027b4b670,0) at fork1+0x318 sys/kern/kern_fork.c:383 syscall(ffff800027b4b6f0) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800027b4b6f0) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75e12764a7c0, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d78858) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d78858) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff8000269076e0) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000269076e0) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7665a8e587c0, count: 9 ddb{1}> trace x86_ipi_db(ffff800020d58ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82d78858) at __mp_lock+0x122 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d78858) at __mp_lock+0x122 sys/kern/kern_lock.c:147 syscall(ffff8000269076e0) at syscall+0x5cd mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff8000269076e0) at syscall+0x5cd sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7665a8e587c0, count: -6