login: panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1741 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 38417 4422 0 0 0 1 syz-executor *282197 4422 0 0 0x4000000 0K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343e446) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ecf24,ffffffff833822ba,6cd,ffffffff8333c6ac) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bea6018,400000000000,400000011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bea6018,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003c5385a8,4,400000000100,ffff80003c5385d8,0,9ea7c1fcdb00e7b8,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c5385a8,4,400000000100,ffff80003c5385d8,0,9ea7c1fcdb00e7b8,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5385a4,5,400000000100,ffff80003c5385d8,0,37,2aff60d2068e4a46) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff3c58,ffff80003c538710,ffff80003c538660) at sys_sysctl+0x425 syscall(ffff80003c538710) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c538710) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb80ec90d340, count: 5 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: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1741 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343e446) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ecf24,ffffffff833822ba,6cd,ffffffff8333c6ac) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bea6018,400000000000,400000011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bea6018,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003c5385a8,4,400000000100,ffff80003c5385d8,0,9ea7c1fcdb00e7b8,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c5385a8,4,400000000100,ffff80003c5385d8,0,9ea7c1fcdb00e7b8,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5385a4,5,400000000100,ffff80003c5385d8,0,37,2aff60d2068e4a46) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff3c58,ffff80003c538710,ffff80003c538660) at sys_sysctl+0x425 syscall(ffff80003c538710) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c538710) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb80ec90d340, count: -10 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c538180 rbx 0xffffffff83805dc7 cpu_info_full_primary+0x2dc7 rdx 0 rcx 0xffff8000ffff3c58 rax 0xffffffff83804ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x3367646f28a3caa5 r11 0xac46b158bd416e1f r12 0xffffffff83805bc8 cpu_info_full_primary+0x2bc8 r13 0 r14 0 r15 0x1 rip 0xffffffff82fec615 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c538170 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=282197 pid=4422 tcnt=5 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff2cf8,0xffff8000ffff27e8 process=0xffff8000ffff4020 user=0xffff80003c533000, vmspace=0xfffffd806bea6018 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80420 35694 94467 0 2 0 syz-executor 4422 38417 19483 0 7 0 syz-executor 4422 350807 19483 0 2 0x4000000 syz-executor 4422 504311 19483 0 2 0x4000000 syz-executor * 4422 282197 19483 0 7 0x4000000 syz-executor 4422 147813 19483 0 2 0x4000000 syz-executor 84233 401206 22199 0 2 0 syz-executor 84233 256710 22199 0 3 0x4000080 kqsel syz-executor 13546 487106 80030 0 2 0 syz-executor 13546 239166 80030 0 3 0x4000080 fsleep syz-executor 13546 203979 80030 0 3 0x4000080 fsleep syz-executor 39166 292577 23258 0 3 0x80 nanoslp syz-executor 39166 48394 23258 0 3 0x4000080 netcon syz-executor 39166 262711 23258 0 3 0x4000080 fsleep syz-executor 36326 112777 49632 -1 3 0x90 nanoslp syz-executor 36326 27856 49632 -1 3 0x4000090 sbwait syz-executor 36326 372891 49632 -1 3 0x4000090 fsleep syz-executor 61176 425883 41377 0 3 0x80 nanoslp syz-executor 61176 421980 41377 0 3 0x4000080 ttyin syz-executor 61176 452106 41377 0 3 0x4000080 fsleep syz-executor 61176 139436 41377 0 3 0x4000080 fsleep syz-executor 19483 379708 62986 0 3 0x82 nanoslp syz-executor 76404 289910 1 0 3 0x100083 ttyopn getty 53794 80506 0 0 3 0x14200 acct acct 40989 238504 0 0 3 0x14200 bored sosplice 41377 277146 62986 0 3 0x82 nanoslp syz-executor 22199 3162 62986 0 3 0x82 nanoslp syz-executor 80030 360782 62986 0 3 0x82 nanoslp syz-executor 94467 450626 62986 0 3 0x82 nanoslp syz-executor 49632 12077 62986 0 3 0x82 nanoslp syz-executor 23258 189130 62986 0 3 0x82 nanoslp syz-executor 58296 252813 62986 0 3 0x82 nanoslp syz-executor 62986 81468 2776 0 3 0x82 kqread syz-executor 2776 178672 91612 0 3 0x10008a sigsusp ksh 91612 23278 50200 0 3 0x98 kqread sshd-session 50200 241000 30336 0 3 0x92 kqread sshd-session 30336 384901 1 0 3 0x88 kqread sshd 72961 318584 99058 74 3 0x1100092 bpf pflogd 99058 495622 1 0 3 0x80 sbwait pflogd 39981 367406 20629 73 3 0x1100090 kqread syslogd 20629 495926 1 0 3 0x100082 sbwait syslogd 34026 71905 1 0 3 0x100080 kqread resolvd 35657 402311 63641 77 3 0x100092 kqread dhcpleased 45322 445031 63641 77 3 0x100092 kqread dhcpleased 63641 109786 1 0 3 0x80 kqread dhcpleased 23746 173912 0 0 3 0x14200 bored smr 94550 204530 0 0 2 0x14200 zerothread 60274 104901 0 0 3 0x14200 aiodoned aiodoned 96285 369774 0 0 3 0x14200 syncer update 72868 99555 0 0 3 0x14200 cleaner cleaner 69912 79585 0 0 3 0x14200 reaper reaper 89100 24544 0 0 3 0x14200 pgdaemon pagedaemon 94756 469018 0 0 3 0x14200 bored viomb 56943 115482 0 0 3 0x40014200 acpi0 acpi0 96825 523563 0 0 3 0x40014200 idle1 33096 211825 0 0 3 0x14200 bored softnet3 26423 84271 0 0 3 0x14200 bored softnet2 43115 141571 0 0 3 0x14200 bored softnet1 13957 313021 0 0 3 0x14200 bored softnet0 40891 132448 0 0 3 0x14200 bored systqmp 64116 410240 0 0 3 0x14200 bored systq 3831 195397 0 0 3 0x14200 tmoslp softclockmp 95702 522546 0 0 3 0x40014200 tmoslp softclock 30146 311552 0 0 3 0x40014200 idle0 1 379262 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 4422 (syz-executor) thread 0xffff8000ffff3c58 (282197) exclusive rwlock amaplk r = 0 (0xfffffd8060704d98) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 uvm_map_lock_entry+0x51 sys/uvm/uvm_map.c:464 #3 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1760 #4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 #5 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #5 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #6 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #7 sys_sysctl+0x425 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806bea6118) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_read+0x3af sys/kern/kern_rwlock.c:405 #2 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1703 #3 kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] #3 kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8399f380) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 __mp_acquire_count+0x58 #2 mi_switch+0x4b7 sys/kern/sched_bsd.c:441 #3 sleep_finish+0x24f sys/kern/kern_synch.c:414 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1866 #6 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732 #7 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1683 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #10 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #12 sys_sysctl+0x425 #13 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff8387caa8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:187 #3 kern_sysctl_dirs+0x266 sys/kern/kern_sysctl.c:428 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 #5 sys_sysctl+0x425 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10196 11024K 11359K 166960K 11687 0 pcb 20 12K 13K 166960K 149 0 rtable 198 7K 8K 166960K 448 0 pf 39 18K 22K 166960K 144 0 ifaddr 40 6K 8K 166960K 67 0 ifgroup 53 2K 2K 166960K 92 0 sysctl 4 1K 1K 166960K 4 0 counters 64 36K 37K 166960K 98 0 ioctlops 0 0K 4K 166960K 1555 0 iov 1 12K 12K 166960K 16 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1340 84K 85K 166960K 1684 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 20 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 35 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 85K 166960K 533 0 sigio 0 0K 0K 166960K 5 0 proc 72 91K 115K 166960K 599 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 30 0 in_multi 88 6K 7K 166960K 126 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 10 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 462 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 244 73K 77K 166960K 6517 0 UVM aobj 25 4K 4K 166960K 25 0 pinsyscall 43 86K 99K 166960K 1681 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 22 0 NDP 12 0K 1K 166960K 42 0 temp 49 8684K 8759K 166960K 22538 0 kqueue 18 26K 32K 166960K 104 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 126 0 123 3 0 3 3 0 8 2 rtentry 160 132 0 45 5 0 5 5 0 8 0 unpcb 144 510 0 488 6 0 6 6 0 8 5 syncache 336 3 0 3 1 1 0 1 0 8 0 tcpcb 808 90 0 84 1 0 1 1 0 8 0 arp 120 20 0 4 1 0 1 1 0 8 0 inpcb 376 469 0 452 5 0 5 5 0 8 3 nd6 136 28 0 7 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 12 0 11 1 0 1 1 0 8 0 pppxif 1480 2 0 2 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 3 0 1 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 8 0 6 1 0 1 1 0 8 0 pfanchor 1288 2 0 1 1 0 1 1 0 8 0 pftag 88 8 0 6 1 0 1 1 0 8 0 pfstitem 24 41 0 0 1 0 1 1 0 8 0 pfstkey 128 43 0 2 2 0 2 2 0 8 0 pfstate 376 42 0 1 5 0 5 5 0 8 0 pfrule 1344 50 0 37 3 1 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 568 0 173 29 0 29 29 0 8 2 art_table 32 570 0 173 4 0 4 4 0 8 0 art_node 16 129 0 51 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 5 1 0 1 1 0 8 0 semapl 112 32 0 22 1 0 1 1 0 8 0 shmpl 112 22 0 0 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 2283 0 779 95 0 95 95 0 8 0 ffsino 280 2283 0 779 109 0 109 109 0 8 0 nchpl 144 3004 0 1319 63 0 63 63 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 2548 0 0 52 0 52 52 0 8 0 vnodes 216 2548 0 0 142 0 142 142 0 8 0 namei 1024 10096 0 10096 1 0 1 1 0 8 1 percpumem 16 63 0 17 1 0 1 1 0 8 0 kstatmem 264 48 0 24 3 0 3 3 0 8 1 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 9756 0 9756 10 2 8 8 1 8 8 plimitpl 152 134 0 114 1 0 1 1 0 8 0 sigapl 424 845 0 793 7 1 6 7 0 8 0 futexpl 64 6099 0 6093 1 0 1 1 0 8 0 knotepl 120 319 0 0 10 0 10 10 0 8 0 kqueuepl 216 146 0 131 2 0 2 2 0 8 1 pipepl 328 174 0 147 5 0 5 5 0 8 2 fdescpl 504 824 0 792 5 0 5 5 0 8 0 filepl 152 4645 0 4400 18 1 17 18 0 8 6 lockfpl 104 236 0 232 2 0 2 2 0 8 1 lockfspl 48 55 0 51 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 40 0 23 1 0 1 1 0 8 0 ucredpl 104 474 0 460 1 0 1 1 0 8 0 zombiepl 144 794 0 793 1 0 1 1 0 8 0 processpl 1176 845 0 793 5 0 5 5 0 8 0 procpl 656 1479 0 1413 7 0 7 7 0 8 1 srpgc 96 4 0 4 1 0 1 1 0 8 1 sockpl 688 1112 0 1070 15 4 11 15 0 8 6 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 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 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 32 0 0 1 0 1 1 0 8 0 mbufpl 256 339 0 0 22 0 22 22 0 8 0 bufpl 280 3263 0 137 224 0 224 224 0 8 0 anonpl 24 132313 0 128820 63 5 58 58 0 184 33 amapchunkpl 152 20518 0 19967 26 0 26 26 0 158 4 amappl16 200 2254 0 2221 18 8 10 15 0 8 8 amappl15 192 24 0 24 1 1 0 1 0 8 0 amappl14 184 118 0 106 1 0 1 1 0 8 0 amappl13 176 15 0 14 1 0 1 1 0 8 0 amappl12 168 1501 0 1470 3 1 2 2 0 8 0 amappl11 160 51 0 37 1 0 1 1 0 8 0 amappl10 152 27 0 27 1 1 0 1 0 8 0 amappl9 144 283 0 282 1 0 1 1 0 8 0 amappl8 136 24 0 22 1 0 1 1 0 8 0 amappl7 128 115 0 103 1 0 1 1 0 8 0 amappl6 120 191 0 188 1 0 1 1 0 8 0 amappl5 112 127 0 116 1 0 1 1 0 8 0 amappl4 104 323 0 301 1 0 1 1 0 8 0 amappl3 96 3918 0 3791 4 0 4 4 0 8 0 amappl2 88 671 0 607 2 0 2 2 0 8 0 amappl1 80 9186 0 8613 14 0 14 14 0 8 1 amappl 88 6083 0 5896 5 0 5 5 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 128 254 0 254 2 1 1 1 0 8 1 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 24 0 0 1 0 1 1 0 8 0 uaddrrnd 24 824 0 792 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 824 0 792 1 0 1 1 0 8 0 vmmpekpl 168 8282 0 8247 3 0 3 3 0 8 0 vmmpepl 168 55396 0 53446 95 0 95 95 0 357 9 vmsppl 456 823 0 792 5 0 5 5 0 8 0 rwobjpl 64 19790 0 16251 58 0 58 58 0 8 0 pdppl 4096 1656 0 1584 100 26 74 82 0 8 2 pvpl 32 18547 0 0 151 1 150 150 0 265 0 pmappl 248 823 0 792 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 287 0 29 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343e446) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833ecf24,ffffffff833822ba,6cd,ffffffff8333c6ac) at __assert+0x29 uvm_fault_unwire_locked(fffffd806bea6018,400000000000,400000011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806bea6018,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1704 kern_sysctl_dirs(49,ffff80003c5385a8,4,400000000100,ffff80003c5385d8,0,9ea7c1fcdb00e7b8,4) at kern_sysctl_dirs+0x363 sysctl_vsunlock sys/kern/kern_sysctl.c:215 [inline] kern_sysctl_dirs(49,ffff80003c5385a8,4,400000000100,ffff80003c5385d8,0,9ea7c1fcdb00e7b8,4) at kern_sysctl_dirs+0x363 sys/kern/kern_sysctl.c:432 kern_sysctl(ffff80003c5385a4,5,400000000100,ffff80003c5385d8,0,37,2aff60d2068e4a46) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:526 sys_sysctl(ffff8000ffff3c58,ffff80003c538710,ffff80003c538660) at sys_sysctl+0x425 syscall(ffff80003c538710) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c538710) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb80ec90d340, count: -10 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029a9bff0) 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(ffffffff8399f178) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8399f178) at __mp_lock+0x199 sys/kern/kern_lock.c:144 syscall(ffff80002ec9c270) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ec9c270) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a839ba59090, count: 9 ddb{1}> trace x86_ipi_db(ffff800029a9bff0) 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(ffffffff8399f178) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8399f178) at __mp_lock+0x199 sys/kern/kern_lock.c:144 syscall(ffff80002ec9c270) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ec9c270) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a839ba59090, count: -6