panic: Caught invalid memory access at ffff800001e8a3b0 size 104 op 1 Stopped at db_enter+0x17: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND 456285 98784 0 0 0 0 syz-executor *344414 16325 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632841) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001e8a3b0,ffff800001c914e8,68) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80002ff28808,1,200000000040,ffff80002ff287e0) at sysctl_sysvipc+0x746 sys/kern/kern_sysctl.c:2781 kern_sysctl_dirs(33,ffff80002ff28808,1,200000000040,ffff80002ff287e0,0,1,1ffff00005fe5078) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80002ff28804,2,200000000040,ffff80002ff287e0,0,0,ffff80002ff28a50) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ffc2b0,ffff80002ff28a50,ffff80002ff289c0) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80002ff28a50) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ff28a50) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3a34c99d90, 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: Caught invalid memory access at ffff800001e8a3b0 size 104 op 1 ddb{1}> show kasan KASAN: invalid write of 104 bytes at 0xffff800001e8a3b0 from pc 0xffffffff83b245c6 KASAN: first bad byte at 0xffff800001e8a414 (+100); shadow 0x04: partial granule (out-of-bounds) KASAN: 0xffff800001e8a414 is 13332 bytes inside the 16384-byte malloc slot [0xffff800001e87000..0xffff800001e8b000) KASAN: allocated at: #0 malloc+0xda0 sys/kern/kern_malloc.c:446 #1 sysctl_sysvipc+0x619 sys/kern/kern_sysctl.c:2766 #2 kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 #3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 #4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 KASAN: pc: sysctl_sysvipc+0x746 KASAN: call trace: #0 kasan_memcpy+0x1ca kasan_shadow_check sys/kern/subr_kasan.c:-1 [inline] #0 kasan_memcpy+0x1ca sys/kern/subr_kasan.c:1025 #1 sysctl_sysvipc+0x746 sys/kern/kern_sysctl.c:2781 #2 kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 #3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 #4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 KASAN: shadow of 0xffff800001e8a300..0xffff800001e8a580 (1 cell = 8 bytes): 0xffff800001e8a300: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 0xffff800001e8a380: 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 08 >0xffff800001e8a400: 08 08[04]fb fe fe fe fe fe fe fe fe fe fe fe fe 0xffff800001e8a480: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe 0xffff800001e8a500: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe KASAN: legend: 00 valid; 01..07 partial; fb malloc redzone; fc malloc freed; fd pool freed; fe kmem; fa global; f1..f4/f8 stack/scope ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632841) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001e8a3b0,ffff800001c914e8,68) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80002ff28808,1,200000000040,ffff80002ff287e0) at sysctl_sysvipc+0x746 sys/kern/kern_sysctl.c:2781 kern_sysctl_dirs(33,ffff80002ff28808,1,200000000040,ffff80002ff287e0,0,1,1ffff00005fe5078) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80002ff28804,2,200000000040,ffff80002ff287e0,0,0,ffff80002ff28a50) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ffc2b0,ffff80002ff28a50,ffff80002ff289c0) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80002ff28a50) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ff28a50) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3a34c99d90, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002ff27f50 rbx 0xffff80002ff27fc0 rdx 0 rcx 0xffff800028ff3ff0 rax 0xffff80000016c600 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80002ff27d38 r11 0xffffffff82322ea0 x86_bus_space_io_read_1 r12 0xffffffff84632841 switch.table.vce_v1_0_load_fw+0x99e41 r13 0xffff800028ff4c08 r14 0xffff800028ff4e07 r15 0x1 rip 0xffffffff81734fa7 db_enter+0x17 cs 0x8 rflags 0x246 rsp 0xffff80002ff27f50 ss 0x10 db_enter+0x17: popq %rbp ddb{1}> show proc PROC (syz-executor) tid=344414 pid=16325 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045ffd4d8,0xffff800045ffca88 process=0xffff800045ff9358 user=0xffff80002ff1d000, vmspace=0xffff800001decd88 estcpu=36, cpticks=25, pctcpu=0.0, user=0, sys=25, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 98784 456285 98864 0 7 0 syz-executor 98784 277196 98864 0 2 0x4000080 syz-executor 16325 8983 61566 0 2 0 syz-executor *16325 344414 61566 0 7 0x4000000 syz-executor 53709 31812 98882 0 2 0 syz-executor 53709 91129 98882 0 2 0x4000000 syz-executor 27200 341988 46510 0 2 0 syz-executor 27200 362839 46510 0 3 0x4000080 fsleep syz-executor 95357 218923 42350 0 2 0 syz-executor 95357 46825 42350 0 3 0x4000080 netcon syz-executor 95357 100727 42350 0 3 0x4000080 fsleep syz-executor 27745 95255 52405 0 2 0x2 syz-executor 61566 216321 52405 0 3 0x82 nanoslp syz-executor 98864 113346 52405 0 3 0x82 nanoslp syz-executor 17671 4290 0 0 3 0x14200 acct acct 64103 140054 52405 0 3 0x82 wait syz-executor 98882 281526 52405 0 3 0x82 nanoslp syz-executor 46510 129917 52405 0 3 0x82 nanoslp syz-executor 6605 79127 52405 0 3 0x82 wait syz-executor 42350 218603 52405 0 3 0x82 nanoslp syz-executor 52405 219916 45242 0 3 0x82 kqread syz-executor 45242 505660 28802 0 3 0x10008a sigsusp ksh 28802 192475 89247 0 3 0x98 kqread sshd-session 89247 94980 26645 0 3 0x92 kqread sshd-session 34849 228415 1 0 3 0x100083 ttyin getty 26645 436402 1 0 3 0x88 kqread sshd 4940 97902 88389 74 3 0x1100092 bpf pflogd 88389 119374 1 0 3 0x80 sbwait pflogd 50167 71681 77219 73 3 0x1100090 kqread syslogd 77219 285362 1 0 3 0x100082 sbwait syslogd 11670 497715 1 0 3 0x100080 kqread resolvd 93325 520133 81261 77 3 0x100092 kqread dhcpleased 94655 113935 81261 77 3 0x100092 kqread dhcpleased 81261 377567 1 0 3 0x80 kqread dhcpleased 17141 361606 0 0 3 0x14200 bored smr 6891 64465 0 0 2 0x14200 zerothread 6905 394893 0 0 3 0x14200 aiodoned aiodoned 54687 494515 0 0 3 0x14200 syncer update 67686 274136 0 0 3 0x14200 cleaner cleaner 275 514450 0 0 3 0x14200 reaper reaper 93199 32259 0 0 3 0x14200 pgdaemon pagedaemon 9387 322489 0 0 3 0x14200 bored viomb 54821 302475 0 0 3 0x40014200 acpi0 acpi0 74985 262210 0 0 3 0x40014200 idle1 48657 81068 0 0 3 0x14200 bored softnet1 77904 489521 0 0 2 0x14200 softnet0 26916 14253 0 0 3 0x14200 bored systqmp 95927 106825 0 0 3 0x14200 bored systq 86400 218338 0 0 3 0x14200 tmoslp softclockmp 71635 346429 0 0 3 0x40014200 tmoslp softclock 58954 488987 0 0 3 0x40014200 idle0 1 125366 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 16325 (syz-executor) thread 0xffff800045ffc2b0 (344414) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff85e39a40) #0 witness_lock+0x632 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x632 sys/kern/subr_witness.c:1160 #1 sysctl_sysvipc+0x672 sys/kern/kern_sysctl.c:-1 #2 kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 #3 kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 #4 sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 #5 syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11059 12247K 12470K 166960K 12514 0 pcb 17 28K 30K 166960K 65 0 rtable 226 12K 13K 166960K 726 0 pf 33 22K 24K 166960K 97 0 ifaddr 39 11K 12K 166960K 101 0 ifgroup 51 2K 2K 166960K 120 0 sysctl 4 1K 13K 166960K 12 0 counters 68 42K 43K 166960K 106 0 ioctlops 0 0K 4K 166960K 1588 0 iov 0 0K 16K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1392 89K 90K 166960K 1913 0 UFS quota 1 36K 36K 166960K 1 0 UFS mount 5 44K 44K 166960K 5 0 shm 3 6K 14K 166960K 45 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 24 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 292K 166960K 11964 0 file desc 17 61K 89K 166960K 733 0 sigio 0 0K 0K 166960K 11 0 proc 73 128K 177K 166960K 936 0 subproc 65 8K 9K 166960K 182 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 20K 20K 166960K 1 0 ip_moptions 0 0K 0K 166960K 8 0 in_multi 88 6K 7K 166960K 231 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 20 0 ISOFS mount 1 36K 36K 166960K 1 0 MSDOSFS mount 1 20K 20K 166960K 1 0 ttys 85 587K 587K 166960K 85 0 exec 0 0K 2K 166960K 553 0 fusefs mount 1 36K 36K 166960K 1 0 tdb 3 1K 1K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 236 233K 262K 166960K 7823 0 UVM aobj 131 7K 7K 166960K 132 0 pinsyscall 1066 1901K 1901K 166960K 2204 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 11 0K 2K 166960K 70 0 temp 41 9191K 9191K 166960K 13134 0 kqueue 14 44K 54K 166960K 134 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 60 0 57 1 0 1 1 0 8 0 rtentry 176 249 0 145 6 0 6 6 0 8 0 unpcb 144 477 0 460 2 1 1 2 0 8 0 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpcb 736 107 0 102 7 6 1 7 0 8 0 arp 136 43 0 26 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 328 446 0 438 11 4 7 7 0 8 6 ip6q 72 1 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 152 65 0 40 2 0 2 2 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 20 0 13 1 0 1 1 0 8 0 ppxss 1192 4 0 4 2 1 1 1 0 8 1 pfosfp 40 1429 0 1429 5 0 5 5 0 8 5 pfosfpen 112 1429 0 1429 21 0 21 21 0 8 21 pfrktable 1344 1 0 1 1 1 0 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 18 0 11 1 0 1 1 0 8 0 pfstkey 128 18 0 11 1 0 1 1 0 8 0 pfstate 448 18 0 11 2 1 1 2 0 8 0 pfrule 1360 25 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1022 0 583 31 0 31 31 0 8 2 art_table 40 1023 0 583 5 0 5 5 0 8 0 art_node 32 249 0 154 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 2 2 0 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 72 22 0 12 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2254 0 751 95 0 95 95 0 8 0 ffsino 296 2254 0 751 116 0 116 116 0 8 0 nchpl 144 3083 0 1341 65 0 65 65 0 8 0 vnodes 216 2780 0 0 155 0 155 155 0 8 0 namei 1024 11245 0 11245 2 1 1 1 0 8 1 percpumem 16 69 0 19 1 0 1 1 0 8 0 kstatmem 264 63 0 38 3 1 2 3 0 8 0 scxspl 216 10483 0 10483 12 11 1 8 1 8 1 plimitpl 152 62 0 45 1 0 1 1 0 8 0 sigapl 424 1026 0 978 7 1 6 7 0 8 0 knotepl 120 152 0 0 5 0 5 5 0 8 0 kqueuepl 224 252 0 242 6 3 3 5 0 8 2 pipepl 344 386 0 359 9 6 3 9 0 8 0 fdescpl 528 1009 0 978 3 0 3 3 0 8 0 filepl 160 5500 0 5294 19 4 15 17 0 8 5 lockfpl 104 359 0 357 2 1 1 2 0 8 0 lockfspl 48 106 0 104 1 0 1 1 0 8 0 sessionpl 144 61 0 51 1 0 1 1 0 8 0 pgrppl 48 84 0 66 1 0 1 1 0 8 0 ucredpl 104 598 0 585 1 0 1 1 0 8 0 zombiepl 144 980 0 978 1 0 1 1 0 8 0 processpl 1232 1026 0 978 5 1 4 5 0 8 0 procpl 664 1781 0 1727 7 1 6 6 0 8 1 sosppl 176 3 0 3 1 1 0 1 0 8 0 sockpl 752 989 0 961 15 5 10 10 0 8 7 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 1 0 0 1 0 1 1 0 8 0 mcl9k128 9344 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 116 0 0 15 0 15 15 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mextrefs 64 19 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 291 0 0 18 0 18 18 0 8 0 bufpl 272 3293 0 106 213 0 213 213 0 8 0 anonpl 32 5451 0 0 44 0 44 44 0 222 0 amapchunkpl 152 23562 0 23072 31 10 21 25 0 158 1 amappl16 200 2173 0 2144 6 3 3 5 0 8 1 amappl15 192 24 0 24 4 4 0 1 0 8 0 amappl14 184 577 0 576 1 0 1 1 0 8 0 amappl13 176 149 0 137 1 0 1 1 0 8 0 amappl12 168 1318 0 1288 2 0 2 2 0 8 0 amappl11 160 129 0 128 2 1 1 1 0 8 0 amappl10 152 67 0 53 1 0 1 1 0 8 0 amappl9 144 307 0 306 2 1 1 1 0 8 0 amappl8 136 142 0 139 1 0 1 1 0 8 0 amappl7 128 174 0 160 1 0 1 1 0 8 0 amappl6 120 291 0 289 1 0 1 1 0 8 0 amappl5 112 97 0 87 1 0 1 1 0 8 0 amappl4 104 339 0 317 1 0 1 1 0 8 0 amappl3 96 4771 0 4653 5 1 4 4 0 8 0 amappl2 88 642 0 579 2 0 2 2 0 8 0 amappl1 80 13647 0 13043 16 3 13 15 0 8 0 amappl 88 6818 0 6653 6 1 5 5 0 92 0 uvmvnodes 80 108 0 0 3 0 3 3 0 8 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 1009 0 978 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1009 0 978 1 0 1 1 0 8 0 vmmpekpl 168 10925 0 10887 3 0 3 3 0 8 0 vmmpepl 168 71674 0 69746 92 5 87 89 0 357 0 vmsppl 488 1008 0 978 7 2 5 5 0 8 0 rwobjpl 80 22040 0 20861 25 0 25 25 0 8 0 pdppl 4096 2027 0 1956 129 54 75 85 0 8 4 pvpl 32 13070 0 0 107 1 106 106 0 265 0 pmappl 256 1008 0 978 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 532 0 67 14 0 14 14 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x19: leave x86_ipi_db(ffffffff84ed0ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff85e39240) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85e39240) at __mp_lock+0x272 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x79b7373865c0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff84ed0ff0) at x86_ipi_db+0x19 sys/arch/amd64/amd64/db_interface.c:412 x86_ipi_handler() at x86_ipi_handler+0x112 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff85e39240) at __mp_lock+0x272 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff85e39240) at __mp_lock+0x272 sys/kern/kern_lock.c:173 softintr_dispatch(0) at softintr_dispatch+0x215 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x7b sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x79b7373865c0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x17: popq %rbp db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632841) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001e8a3b0,ffff800001c914e8,68) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80002ff28808,1,200000000040,ffff80002ff287e0) at sysctl_sysvipc+0x746 sys/kern/kern_sysctl.c:2781 kern_sysctl_dirs(33,ffff80002ff28808,1,200000000040,ffff80002ff287e0,0,1,1ffff00005fe5078) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80002ff28804,2,200000000040,ffff80002ff287e0,0,0,ffff80002ff28a50) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ffc2b0,ffff80002ff28a50,ffff80002ff289c0) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80002ff28a50) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ff28a50) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3a34c99d90, count: 6 ddb{1}> trace db_enter() at db_enter+0x17 sys/arch/amd64/amd64/db_interface.c:457 panic(ffffffff84632841) at panic+0x270 sys/kern/subr_prf.c:198 kasan_memcpy(ffff800001e8a3b0,ffff800001c914e8,68) at kasan_memcpy+0x1ec sysctl_sysvipc(ffff80002ff28808,1,200000000040,ffff80002ff287e0) at sysctl_sysvipc+0x746 sys/kern/kern_sysctl.c:2781 kern_sysctl_dirs(33,ffff80002ff28808,1,200000000040,ffff80002ff287e0,0,1,1ffff00005fe5078) at kern_sysctl_dirs+0x30f sys/kern/kern_sysctl.c:429 kern_sysctl(ffff80002ff28804,2,200000000040,ffff80002ff287e0,0,0,ffff80002ff28a50) at kern_sysctl+0x1ce sys/kern/kern_sysctl.c:529 sys_sysctl(ffff800045ffc2b0,ffff80002ff28a50,ffff80002ff289c0) at sys_sysctl+0x54f sys/kern/kern_sysctl.c:309 syscall(ffff80002ff28a50) at syscall+0x1089 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ff28a50) at syscall+0x1089 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb3a34c99d90, count: -9