panic: init died (signal 0, exit 10) Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 115198 83769 0 0 0 0 syz-executor *269042 1 0 0x40000002 0x2000 1K init db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834d4b6b) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1aca40,ffff80002a1ac990) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1aca40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1aca40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x707058530d00, count: 9 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: init died (signal 0, exit 10) ddb{1}> show kasan No such command ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834d4b6b) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1aca40,ffff80002a1ac990) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1aca40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1aca40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x707058530d00, count: -6 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a1ac810 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff800045fff758 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x983347687fdf4bb4 r11 0x434b00896ff9da02 r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff81bd1155 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a1ac800 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (init) tid=269042 pid=1 tcnt=1 stat=onproc flags process=40000002 proc=2000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffffffff83b452e8,0xffff800045ffed08 process=0xffff800045ffb9c0 user=0xffff80002a1a7000, vmspace=0xfffff0000b1cbb70 estcpu=0, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 50930 342398 25313 0 2 0 0 syz-executor 50930 285261 25313 0 3 0 0x4000080 fsleep syz-executor 50930 243383 25313 0 3 0 0x4000080 fsleep syz-executor 63052 59028 47330 0 2 0 0 syz-executor 63052 340914 47330 0 3 0 0x4000080 fsleep syz-executor 66114 312583 71245 0 2 0 0 syz-executor 66114 516926 71245 0 3 0 0x4000080 fsleep syz-executor 83769 115198 63982 0 7 0 0 syz-executor 83769 117115 63982 0 3 0 0x4000080 fsleep syz-executor 29707 265914 70136 0 2 0 0 syz-executor 56280 73338 94712 0 2 0 0 syz-executor 56280 502634 94712 0 3 0 0x4000080 semwait syz-executor 56280 349383 94712 0 3 0 0x4000080 fsleep syz-executor 98301 490683 44780 0 3 0 0x80 nanoslp syz-executor 98301 354321 44780 0 3 0 0x4000080 msgwait syz-executor 98301 61713 44780 0 3 0 0x4000080 fsleep syz-executor 98301 228190 44780 0 3 0 0x4000080 fsleep syz-executor 30071 53500 0 0 3 0x14000 0x280 nfsidl nfsio 62813 263943 0 0 3 0x14000 0x280 nfsidl nfsio 50667 523574 0 0 3 0x14000 0x280 nfsidl nfsio 84122 444394 0 0 3 0x14000 0x280 nfsidl nfsio 68654 250263 0 0 3 0x14000 0x280 nfsidl nfsio 41720 285925 0 0 3 0x14000 0x280 nfsidl nfsio 38616 6464 0 0 3 0x14000 0x280 nfsidl nfsio 64579 490050 0 0 3 0x14000 0x280 nfsidl nfsio 70970 43080 0 0 3 0x14000 0x280 nfsidl nfsio 92062 402993 0 0 3 0x14000 0x280 nfsidl nfsio 18033 288751 0 0 3 0x14000 0x280 nfsidl nfsio 49773 506243 0 0 3 0x14000 0x280 nfsidl nfsio 8289 312187 0 0 3 0x14000 0x280 nfsidl nfsio 84322 345979 0 0 3 0x14000 0x280 nfsidl nfsio 6957 463844 0 0 3 0x14000 0x280 nfsidl nfsio 45339 19937 0 0 3 0x14000 0x280 nfsidl nfsio 21050 52309 0 0 3 0x14000 0x280 nfsidl nfsio 71275 409572 0 0 3 0x14000 0x280 nfsidl nfsio 9712 184908 0 0 3 0x14000 0x280 nfsidl nfsio 11272 154803 0 0 3 0x14000 0x280 nfsidl nfsio 65393 325530 0 0 3 0x14000 0x200 acct acct 70136 122667 9965 0 3 0x2 0x80 nanoslp syz-executor 94712 202619 9965 0 3 0x2 0x80 nanoslp syz-executor 44780 237870 9965 0 2 0x2 0 syz-executor 23877 445019 9965 0 3 0x2 0x80 piperd syz-executor 71245 435043 9965 0 3 0x2 0x80 nanoslp syz-executor 63982 519495 9965 0 3 0x2 0x80 nanoslp syz-executor 25313 61158 9965 0 3 0x2 0x80 nanoslp syz-executor 47330 256534 9965 0 3 0x2 0x80 nanoslp syz-executor 9965 61377 13784 0 2 0x2 0 syz-executor 13784 481106 72320 0 3 0x100002 0x88 sigsusp ksh 72320 207541 1989 0 3 0x10 0x88 kqread sshd-session 1989 475304 24703 0 3 0x12 0x80 kqread sshd-session 15779 24791 1 0 3 0x100003 0x80 ttyin getty 24703 246486 1 0 3 0 0x88 kqread sshd 6627 499927 23343 74 3 0x1100012 0x80 bpf pflogd 23343 403948 1 0 3 0 0x80 sbwait pflogd 37819 185760 32728 73 3 0x1100010 0x80 kqread syslogd 32728 287128 1 0 3 0x100002 0x80 sbwait syslogd 34691 83130 1 0 3 0x100000 0x80 kqread resolvd 9885 420377 40688 77 3 0x100012 0x80 kqread dhcpleased 38413 152105 40688 77 3 0x100012 0x80 kqread dhcpleased 40688 127234 1 0 3 0 0x80 kqread dhcpleased 81078 120748 0 0 3 0x14000 0x200 bored smr 48460 489728 0 0 3 0x14000 0x200 pgzero zerothread 76551 14230 0 0 3 0x14000 0x200 aiodoned aiodoned 90467 262578 0 0 3 0x14000 0x200 syncer update 22925 294159 0 0 3 0x14000 0x200 cleaner cleaner 92488 69813 0 0 3 0x14000 0x200 reaper reaper 98942 244320 0 0 3 0x14000 0x200 pgdaemon pagedaemon 85023 213771 0 0 3 0x14000 0x200 bored viomb 58391 238393 0 0 3 0x14000 0x40000200 acpi0 acpi0 10728 303544 0 0 3 0x14000 0x40000200 idle1 91267 68673 0 0 3 0x14000 0x200 bored softnet1 85816 236255 0 0 3 0x14000 0x200 bored softnet0 87373 199615 0 0 3 0x14000 0x200 bored systqmp 8229 465799 0 0 3 0x14000 0x200 bored systq 4245 85698 0 0 3 0x14000 0x200 tmoslp softclockmp 36025 243613 0 0 3 0x14000 0x40000200 tmoslp softclock 99506 367913 0 0 3 0x14000 0x40000200 idle0 * 1 269042 0 0 7 0x40000002 0x2000 init 0 0 -1 0 3 0x10010000 0x200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &uvm.fpageqlock r = 0 (0xffffffff83a64718) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 uvm_pmr_getpages+0x461 sys/uvm/uvm_pmemrange.c:-1 #3 uvm_pmr_cache_alloc+0xd0 sys/uvm/uvm_pmemrange.c:2139 #4 uvm_pmr_cache_get+0x1af sys/uvm/uvm_pmemrange.c:2173 #5 uvm_pagealloc+0x230 sys/uvm/uvm_page.c:866 #6 uvmfault_promote+0x135 sys/uvm/uvm_fault.c:-1 #7 uvm_fault_lower+0x768 sys/uvm/uvm_fault.c:1427 #8 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #9 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #10 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #11 recall_trap+0x8 Process 83769 (syz-executor) thread 0xffff80003c408028 (115198) exclusive rwlock amaplk r = 0 (0xfffff0006e037958) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvm_fault_check+0x8a9 sys/uvm/uvm_fault.c:834 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #5 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffff0006cee7c88) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1880 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:693 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:627 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 #7 recall_trap+0x8 Process 1 (init) thread 0xffff800045fff758 (269042) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a7a440) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11065 12154K 12351K 166960K 12688 0 pcb 17 13K 14K 166960K 122 0 rtable 235 8K 8K 166960K 398 0 pf 38 18K 38K 166960K 105 0 ifaddr 39 6K 7K 166960K 55 0 ifgroup 51 2K 2K 166960K 77 0 sysctl 4 1K 9K 166960K 8 0 counters 68 36K 37K 166960K 90 0 ioctlops 0 0K 4K 166960K 1546 0 iov 0 0K 12K 166960K 14 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1427 90K 90K 166960K 1907 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 10 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 64 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 17 61K 93K 166960K 442 0 sigio 0 0K 0K 166960K 4 0 proc 72 115K 164K 166960K 576 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 33 0 in_multi 88 5K 6K 166960K 106 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 9 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 409 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 227 167K 177K 166960K 5707 0 UVM aobj 26 2K 2K 166960K 26 0 pinsyscall 42 84K 104K 166960K 1598 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 12 0 NDP 11 0K 2K 166960K 36 0 temp 41 9115K 9178K 166960K 16792 0 kqueue 13 20K 32K 166960K 95 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 46 0 41 1 0 1 1 0 8 0 rtentry 176 116 0 13 6 0 6 6 0 8 0 unpcb 144 198 0 178 2 0 2 2 0 8 1 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpcb 736 300 0 296 8 1 7 7 0 8 6 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 564 0 556 8 1 7 7 0 8 5 nd6 152 27 0 4 2 0 2 2 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1192 8 0 8 1 0 1 1 0 8 1 pfstscr 40 11 0 8 1 0 1 1 0 8 0 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 3 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 4 0 4 1 1 0 1 0 8 0 pfanchor 1288 2 0 1 2 1 1 1 0 8 0 pftag 88 6 0 1 1 0 1 1 0 8 0 pfstitem 24 43 0 1 1 0 1 1 0 8 0 pfstkey 128 53 0 11 2 0 2 2 0 8 0 pfstate 448 46 0 6 5 0 5 5 0 8 0 pfrule 1360 28 0 22 2 1 1 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 504 0 59 32 0 32 32 0 8 1 art_table 40 506 0 59 6 0 6 6 0 8 0 art_node 32 116 0 22 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 4 1 0 1 1 0 8 0 semapl 72 56 0 47 1 0 1 1 0 8 0 shmpl 112 23 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2187 0 729 93 0 93 93 0 8 0 ffsino 296 2187 0 729 114 0 114 114 0 8 0 nchpl 144 2808 0 1107 64 0 64 64 0 8 0 vnodes 216 2676 0 0 149 0 149 149 0 8 0 namei 1024 9207 0 9207 2 0 2 2 0 8 2 percpumem 16 61 0 11 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 kstatmem 264 43 0 18 3 0 3 3 0 8 1 scxspl 216 9569 0 9569 11 3 8 8 1 8 8 plimitpl 152 125 0 108 1 0 1 1 0 8 0 sigapl 424 780 0 712 8 0 8 8 0 8 0 knotepl 120 517 0 0 16 0 16 16 0 8 0 kqueuepl 224 124 0 115 2 0 2 2 0 8 1 pipepl 344 147 0 120 3 0 3 3 0 8 0 fdescpl 528 743 0 712 3 0 3 3 0 8 0 filepl 160 3815 0 3599 16 0 16 16 0 8 6 lockfpl 104 331 0 329 2 0 2 2 0 8 1 lockfspl 48 130 0 128 1 0 1 1 0 8 0 sessionpl 144 100 0 91 1 0 1 1 0 8 0 pgrppl 48 114 0 97 1 0 1 1 0 8 0 ucredpl 104 490 0 477 1 0 1 1 0 8 0 zombiepl 144 712 0 712 1 0 1 1 0 8 1 processpl 1232 780 0 712 6 0 6 6 0 8 0 procpl 664 1315 0 1237 8 0 8 8 0 8 0 sosppl 176 4 0 4 2 1 1 1 0 8 1 sockpl 752 822 0 789 12 1 11 11 0 8 7 mcl64k 65536 13 0 0 2 0 2 2 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 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 127 0 0 16 0 16 16 0 8 0 mcl2k 2048 20 0 0 3 0 3 3 0 8 0 mextrefs 64 18 0 0 1 0 1 1 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 172 0 0 11 0 11 11 0 8 0 bufpl 272 2949 0 108 190 0 190 190 0 8 0 anonpl 32 8896 0 0 72 0 72 72 0 247 0 amapchunkpl 152 18138 0 17670 30 0 30 30 0 158 9 amappl16 200 2378 0 2350 14 4 10 13 0 8 7 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 431 0 430 1 0 1 1 0 8 0 amappl13 176 122 0 110 1 0 1 1 0 8 0 amappl12 168 1016 0 987 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 68 0 54 1 0 1 1 0 8 0 amappl9 144 280 0 279 1 0 1 1 0 8 0 amappl8 136 96 0 94 1 0 1 1 0 8 0 amappl7 128 146 0 133 1 0 1 1 0 8 0 amappl6 120 157 0 155 1 0 1 1 0 8 0 amappl5 112 97 0 87 1 0 1 1 0 8 0 amappl4 104 308 0 285 1 0 1 1 0 8 0 amappl3 96 3185 0 3092 3 0 3 3 0 8 0 amappl2 88 863 0 786 2 0 2 2 0 8 0 amappl1 80 11741 0 11132 15 2 13 15 0 8 0 amappl 88 4919 0 4763 5 0 5 5 0 92 0 uvmvnodes 80 115 0 0 3 0 3 3 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 8 0 8 2 1 1 1 0 8 1 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 25 0 0 1 0 1 1 0 8 0 uaddrrnd 24 743 0 712 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 743 0 712 1 0 1 1 0 8 0 vmmpekpl 168 7905 0 7870 3 0 3 3 0 8 0 vmmpepl 168 55806 0 53887 97 1 96 96 0 357 10 vmsppl 488 742 0 712 5 1 4 5 0 8 0 rwobjpl 80 18172 0 17107 26 0 26 26 0 8 1 pdppl 4096 1493 0 1424 99 28 71 85 0 8 2 pvpl 32 14997 0 0 123 2 121 121 0 265 0 pmappl 256 742 0 712 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 479 0 33 13 0 13 13 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83984ff0) 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 __mp_lock(ffffffff83a79c40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a79c40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffff0006cee7b88,bfebaf17000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff800030385e50,bfebaf17000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800030385e50) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x73a93a0fb8e0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff83984ff0) 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 __mp_lock(ffffffff83a79c40) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a79c40) at __mp_lock+0x192 sys/kern/kern_lock.c:173 uvm_fault(fffff0006cee7b88,bfebaf17000,0,1) at uvm_fault+0x1ea sys/uvm/uvm_fault.c:650 upageflttrap(ffff800030385e50,bfebaf17000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 usertrap(ffff800030385e50) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x73a93a0fb8e0, 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:438 panic(ffffffff834d4b6b) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1aca40,ffff80002a1ac990) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1aca40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1aca40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x707058530d00, count: 9 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff834d4b6b) at panic+0x1e5 sys/kern/subr_prf.c:198 exit1(ffff800045fff758,a,0,1) at exit1+0x133 sys/kern/kern_exit.c:135 sys_exit(ffff800045fff758,ffff80002a1aca40,ffff80002a1ac990) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a1aca40) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a1aca40) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x707058530d00, count: -6