panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *277925 75934 0 0x401000 0x4080000 1 syz-executor 322488 65764 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f8354) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a900c,ffffffff8305150e,69e,ffffffff830134f1) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a03e020,ffff80003722f950,ffff80003722f8a0) at sys_sysctl+0x425 syscall(ffff80003722f950) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003722f950) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e136f39610, 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: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1694 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f8354) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a900c,ffffffff8305150e,69e,ffffffff830134f1) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a03e020,ffff80003722f950,ffff80003722f8a0) at sys_sysctl+0x425 syscall(ffff80003722f950) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003722f950) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e136f39610, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003722f470 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff80002a03e020 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xabbfa826d6c9dee2 r11 0x49f996d15a724b3e r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff81ac00e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003722f460 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=277925 pid=75934 tcnt=3 stat=onproc flags process=401000 proc=4080000 runpri=36, usrpri=86, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a03ef50 scnt=2 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a03ef50,0xffff8000371c5478 process=0xffff8000371ae460 user=0xffff80003722a000, vmspace=0xfffffd806c002c68 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75934 201589 25853 0 3 0x403000 suspend syz-executor *75934 277925 25853 0 7 0x4481000 syz-executor 75934 213937 25853 0 2 0x4481000 syz-executor 40176 390570 41067 0 3 0x80 nanoslp syz-executor 40176 142500 41067 0 3 0x4000080 sbwait syz-executor 40176 449575 41067 0 3 0x4000080 fsleep syz-executor 95817 361155 39410 0 3 0x80 nanoslp syz-executor 95817 438830 39410 0 3 0x4000080 pipewr syz-executor 95817 177226 39410 0 3 0x4000080 pipewr syz-executor 69370 294142 10303 0 3 0x80 nanoslp syz-executor 69370 83732 10303 0 3 0x4000080 piperd syz-executor 69370 126765 10303 0 3 0x4000080 fsleep syz-executor 12730 99695 88213 0 3 0x80 nanoslp syz-executor 12730 354444 88213 0 3 0x4000080 kqsel syz-executor 12730 433540 88213 0 3 0x4000080 kqsel syz-executor 12730 155260 88213 0 3 0x4000080 fsleep syz-executor 88213 91322 9657 0 3 0x82 nanoslp syz-executor 47055 169339 1 0 3 0x100083 ttyin getty 62325 410368 0 0 3 0x14200 bored sosplice 96105 221271 14522 0 3 0x100082 sbwait ndp 14522 209079 80232 0 3 0x10008a sigsusp sh 41067 3106 9657 0 3 0x82 nanoslp syz-executor 80232 298976 9657 0 3 0x82 wait syz-executor 39410 274924 9657 0 3 0x82 nanoslp syz-executor 53675 256870 9657 0 3 0x82 wait syz-executor 10303 422625 9657 0 3 0x82 nanoslp syz-executor 63075 504790 9657 0 3 0x82 wait syz-executor 25853 89070 9657 0 3 0x82 nanoslp syz-executor 9657 36427 68998 0 3 0x82 kqread syz-executor 68998 363806 86485 0 3 0x10008a sigsusp ksh 86485 132068 89669 0 3 0x98 kqread sshd-session 89669 475225 28860 0 3 0x92 kqread sshd-session 28860 126147 1 0 3 0x88 kqread sshd 3772 280276 52932 74 3 0x1100092 bpf pflogd 52932 439825 1 0 3 0x80 sbwait pflogd 51959 115764 37131 73 3 0x1100090 kqread syslogd 37131 63324 1 0 3 0x100082 sbwait syslogd 35760 240564 1 0 3 0x100080 kqread resolvd 89393 389583 36776 77 3 0x100092 kqread dhcpleased 31979 189261 36776 77 3 0x100092 kqread dhcpleased 36776 480448 1 0 3 0x80 kqread dhcpleased 64941 391581 0 0 3 0x14200 bored smr 7656 503937 0 0 3 0x14200 pgzero zerothread 59673 1134 0 0 3 0x14200 aiodoned aiodoned 43830 382565 0 0 3 0x14200 syncer update 21591 346077 0 0 3 0x14200 cleaner cleaner 65764 322488 0 0 7 0x14200 reaper 17273 300201 0 0 3 0x14200 pgdaemon pagedaemon 83646 224787 0 0 3 0x14200 bored viomb 26348 243317 0 0 3 0x40014200 acpi0 acpi0 37408 241305 0 0 3 0x40014200 idle1 96835 116210 0 0 3 0x14200 bored softnet3 70244 109003 0 0 3 0x14200 bored softnet2 25947 420600 0 0 3 0x14200 bored softnet1 3260 336059 0 0 3 0x14200 bored softnet0 88572 200314 0 0 3 0x14200 bored systqmp 50474 390201 0 0 3 0x14200 bored systq 45811 24725 0 0 3 0x14200 tmoslp softclockmp 52333 369031 0 0 3 0x40014200 tmoslp softclock 70960 37936 0 0 3 0x40014200 idle0 1 406639 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 75934 (syz-executor) thread 0xffff80002a03e020 (277925) exclusive rwlock amaplk r = 0 (0xfffffd807436f278) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #2 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1713 #3 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 #4 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #4 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #5 sys_sysctl+0x425 #6 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #6 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806c002d60) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 uvm_fault_unwire+0x3e sys/uvm/uvm_fault.c:1656 #2 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #2 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #3 sys_sysctl+0x425 #4 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #4 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff835a0b68) #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+0x2f2 sys/kern/kern_synch.c:425 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1819 #6 uvm_fault_check+0x49 sys/uvm/uvm_fault.c:672 #7 uvm_fault+0xf5 sys/uvm/uvm_fault.c:600 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1636 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:191 #10 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #11 sys_sysctl+0x425 #12 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #12 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff834bd7d0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_enter+0x41b sys/kern/kern_rwlock.c:309 #2 sysctl_vslock+0x45 sys/kern/kern_sysctl.c:181 #3 kern_sysctl+0x1ad sys/kern/kern_sysctl.c:504 #4 sys_sysctl+0x425 #5 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #5 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Process 65764 (reaper) thread 0xffff800029fd8290 (322488) exclusive rwlock kmmaplk r = 0 (0xffffffff83641100) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5255 #2 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #3 km_free+0x87 sys/uvm/uvm_km.c:833 #4 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 #5 reaper+0x1fe sys/kern/kern_exit.c:466 #6 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10208 11131K 12492K 166960K 13071 0 pcb 17 14K 14K 166960K 223 0 rtable 218 7K 7K 166960K 474 0 pf 39 18K 26K 166960K 105 0 ifaddr 41 7K 7K 166960K 79 0 ifgroup 55 2K 2K 166960K 112 0 sysctl 4 1K 1K 166960K 4 0 counters 64 36K 36K 166960K 104 0 ioctlops 0 0K 4K 166960K 1771 0 iov 0 0K 16K 166960K 41 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1534 96K 97K 166960K 2291 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 16 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 79 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 19 69K 93K 166960K 978 0 sigio 1 0K 0K 166960K 21 0 proc 72 91K 128K 166960K 665 0 subproc 104 6K 6K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 119 0 in_multi 94 6K 7K 166960K 168 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 139 625K 625K 166960K 139 0 exec 0 0K 1K 166960K 492 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 261 73K 88K 166960K 10830 0 UVM aobj 65 7K 7K 166960K 69 0 pinsyscall 45 90K 106K 166960K 2120 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 63 0 NDP 12 0K 2K 166960K 54 0 temp 59 6823K 6896K 166960K 25056 0 kqueue 13 20K 32K 166960K 171 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 86 0 80 1 0 1 1 0 8 0 rtentry 112 143 0 44 4 0 4 4 0 8 0 unpcb 144 733 0 714 8 6 2 6 0 8 1 syncache 336 10 0 10 3 2 1 1 0 8 1 tcpqe 32 2 0 2 2 2 0 1 0 8 0 tcpcb 808 334 0 328 11 7 4 8 0 8 3 arp 120 23 0 6 1 0 1 1 0 8 0 inpcb 336 1163 0 1152 15 8 7 7 0 8 5 nd6 136 35 0 7 1 0 1 1 0 8 0 pkpcb 40 6 0 6 2 1 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1168 15 0 15 2 1 1 1 0 8 1 pfstscr 40 4 0 4 2 1 1 1 0 8 1 pffrag 232 8 0 3 1 0 1 1 0 482 0 pffrnode 88 8 0 3 1 0 1 1 0 8 0 pffrent 40 14 0 9 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 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 86 0 26 1 0 1 1 0 8 0 pfstkey 128 92 0 32 2 0 2 2 0 8 0 pfstate 376 90 0 30 6 0 6 6 0 8 0 pfrule 1344 30 0 23 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 643 0 214 30 1 29 29 0 8 0 art_table 32 645 0 214 4 0 4 4 0 8 0 art_node 16 142 0 54 1 0 1 1 0 8 0 sysvmsgpl 40 51 0 48 2 1 1 1 0 8 0 semupl 112 2 0 2 2 2 0 1 0 8 0 semapl 112 75 0 65 1 0 1 1 0 8 0 shmpl 112 66 0 4 2 0 2 2 0 8 0 dirhash 1024 34 0 17 3 0 3 3 0 8 0 dino2pl 256 3096 0 1594 95 0 95 95 0 8 0 ffsino 272 3096 0 1594 101 0 101 101 0 8 0 nchpl 144 4533 0 2842 63 0 63 63 0 8 0 uvmvnodes 80 3866 0 0 79 0 79 79 0 8 0 vnodes 216 3866 0 0 215 0 215 215 0 8 0 namei 1024 15630 0 15630 3 2 1 2 0 8 1 percpumem 16 66 0 20 1 0 1 1 0 8 0 kstatmem 264 64 0 40 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 2 0 1 0 8 0 scxspl 216 13049 0 13049 8 5 3 3 1 8 3 plimitpl 152 391 0 372 1 0 1 1 0 8 0 sigapl 424 1286 0 1234 7 0 7 7 0 8 0 futexpl 64 13317 0 13314 1 0 1 1 0 8 0 knotepl 120 566 0 0 17 0 17 17 0 8 0 kqueuepl 216 371 0 360 9 6 3 5 0 8 2 pipepl 320 215 0 185 3 0 3 3 0 8 0 fdescpl 496 1266 0 1233 5 0 5 5 0 8 0 filepl 152 8019 0 7756 22 9 13 18 0 8 2 lockfpl 104 508 0 505 2 1 1 2 0 8 0 lockfspl 48 218 0 215 1 0 1 1 0 8 0 sessionpl 144 33 0 24 1 0 1 1 0 8 0 pgrppl 48 52 0 35 1 0 1 1 0 8 0 ucredpl 104 1153 0 1139 1 0 1 1 0 8 0 zombiepl 144 1237 0 1234 1 0 1 1 0 8 0 processpl 1160 1286 0 1234 5 0 5 5 0 8 0 procpl 648 2726 0 2663 6 0 6 6 0 8 0 sosppl 168 7 0 7 2 2 0 1 0 8 0 sockpl 664 2065 0 2029 22 13 9 14 0 8 5 mcl64k 65536 4 0 0 1 0 1 1 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 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 149 0 0 19 0 19 19 0 8 0 mcl2k 2048 54 0 0 7 0 7 7 0 8 0 mtagpl 96 66 0 0 2 0 2 2 0 8 0 mbufpl 256 248 0 0 16 0 16 16 0 8 0 bufpl 280 3737 0 98 260 0 260 260 0 8 0 anonpl 24 238068 0 234227 63 32 31 48 0 185 0 amapchunkpl 152 35786 0 35218 44 14 30 31 0 158 8 amappl16 200 6050 0 6017 31 27 4 15 0 8 0 amappl15 192 10 0 9 1 0 1 1 0 8 0 amappl14 184 132 0 119 1 0 1 1 0 8 0 amappl13 176 18 0 18 1 1 0 1 0 8 0 amappl12 168 2013 0 1979 4 2 2 3 0 8 0 amappl11 160 58 0 44 1 0 1 1 0 8 0 amappl10 152 12 0 12 1 1 0 1 0 8 0 amappl9 144 155 0 155 1 1 0 1 0 8 0 amappl8 136 22 0 19 1 0 1 1 0 8 0 amappl7 128 134 0 121 1 0 1 1 0 8 0 amappl6 120 178 0 176 1 0 1 1 0 8 0 amappl5 112 212 0 200 1 0 1 1 0 8 0 amappl4 104 363 0 341 1 0 1 1 0 8 0 amappl3 96 6552 0 6441 3 0 3 3 0 8 0 amappl2 88 1607 0 1518 3 0 3 3 0 8 0 amappl1 80 11913 0 11319 15 1 14 15 0 8 0 amappl 88 10338 0 10143 5 0 5 5 0 92 0 dma4096 4096 2 0 2 2 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 68 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1267 0 1234 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1267 0 1234 1 0 1 1 0 8 0 vmmpekpl 168 11770 0 11720 3 0 3 3 0 8 0 vmmpepl 168 86819 0 84837 103 12 91 96 0 357 0 vmsppl 448 1266 0 1234 6 1 5 5 0 8 0 rwobjpl 56 31035 0 26090 74 4 70 70 0 8 0 pdppl 4096 2541 0 2468 111 36 75 85 0 8 2 pvpl 32 15324 0 0 125 1 124 124 0 265 0 pmappl 248 1266 0 1234 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 431 0 61 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff834f2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835a0960) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x199 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_const_cmp4(ffffffff835ef4d0,ffffffff834b4220) at __sanitizer_cov_trace_const_cmp4 reaper(ffff800029fd8290) at reaper+0x14b sys/kern/kern_exit.c:450 end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff834f2ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff835a0960) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835a0960) at __mp_lock+0x199 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __sanitizer_cov_trace_const_cmp4(ffffffff835ef4d0,ffffffff834b4220) at __sanitizer_cov_trace_const_cmp4 reaper(ffff800029fd8290) at reaper+0x14b sys/kern/kern_exit.c:450 end trace frame: 0x0, 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:437 panic(ffffffff830f8354) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a900c,ffffffff8305150e,69e,ffffffff830134f1) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a03e020,ffff80003722f950,ffff80003722f8a0) at sys_sysctl+0x425 syscall(ffff80003722f950) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003722f950) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e136f39610, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830f8354) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff830a900c,ffffffff8305150e,69e,ffffffff830134f1) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c002c68,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1657 kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff80003722f7e4,5,20000100,ffff80003722f818,0,37,9d43e60369a4de45) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff80002a03e020,ffff80003722f950,ffff80003722f8a0) at sys_sysctl+0x425 syscall(ffff80003722f950) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff80003722f950) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e136f39610, count: -9