panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_fault.c", line 1739 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 458667 18590 0 0 0 0 syz-executor *334174 67538 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343db5b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb4bb,ffffffff83380be7,6cb,ffffffff8333b2f0) at __assert+0x29 uvm_fault_unwire_locked(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000000,10011) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 net_sysctl(ffff80003c4de864,3,400000000000,ffff80003c4de898,0,0,c958c928515613b8) at net_sysctl+0x69a sys/kern/uipc_domain.c:259 sys_sysctl(ffff80002a348540,ffff80003c4de9d0,ffff80003c4de920) at sys_sysctl+0x425 syscall(ffff80003c4de9d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4de9d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb14347994e0, 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{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 1739 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343db5b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb4bb,ffffffff83380be7,6cb,ffffffff8333b2f0) at __assert+0x29 uvm_fault_unwire_locked(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000000,10011) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 net_sysctl(ffff80003c4de864,3,400000000000,ffff80003c4de898,0,0,c958c928515613b8) at net_sysctl+0x69a sys/kern/uipc_domain.c:259 sys_sysctl(ffff80002a348540,ffff80003c4de9d0,ffff80003c4de920) at sys_sysctl+0x425 syscall(ffff80003c4de9d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4de9d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb14347994e0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4de5c0 rbx 0xffff800029a9cdc7 rdx 0 rcx 0xffff80002a348540 rax 0xffff800029a9bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xf451b3a2c6104b60 r11 0xf4463dc61dd73208 r12 0xffff800029a9cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff8160e9c5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4de5b0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=334174 pid=67538 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=36, usrpri=72, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a348f80,0xffffffff8389a6a8 process=0xffff8000ffff6048 user=0xffff80003c4d9000, vmspace=0xfffffd806eb84008 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 49333 173792 53930 0 2 0 syz-executor 76948 321620 95559 0 3 0x100082 sysctllk ndp 95559 73651 86375 0 3 0x10008a sigsusp sh 89591 370435 6381 0 2 0 syz-executor 89591 512077 6381 0 3 0x4000080 fsleep syz-executor 18590 458667 16486 0 7 0 syz-executor 18590 523941 16486 0 3 0x4000080 fsleep syz-executor 93532 36685 47528 0 2 0 syz-executor 93532 418185 47528 0 3 0x4000080 fsleep syz-executor 93532 331763 47528 0 3 0x4000080 fsleep syz-executor 33678 206611 43658 0 2 0 syz-executor 33678 147799 43658 0 2 0x4000000 syz-executor 33678 261442 43658 0 3 0x4000080 netcon syz-executor 67538 487676 50504 0 2 0 syz-executor 67538 47082 50504 0 3 0x4000080 fsleep syz-executor *67538 334174 50504 0 7 0x4000000 syz-executor 16486 459947 22635 0 3 0x82 nanoslp syz-executor 53930 133896 22635 0 3 0x82 nanoslp syz-executor 22611 503939 22635 0 2 0x2 syz-executor 6381 279231 22635 0 3 0x82 nanoslp syz-executor 50504 108788 22635 0 3 0x82 nanoslp syz-executor 43658 125841 22635 0 3 0x82 nanoslp syz-executor 86375 488312 22635 0 3 0x82 wait syz-executor 47528 364446 22635 0 3 0x82 nanoslp syz-executor 22635 15652 56172 0 3 0x82 kqread syz-executor 56172 88067 49628 0 3 0x10008a sigsusp ksh 49628 437779 64010 0 3 0x98 kqread sshd-session 64010 233155 38763 0 3 0x92 kqread sshd-session 41669 347699 1 0 3 0x100083 ttyin getty 38763 301978 1 0 3 0x88 kqread sshd 22956 136659 44981 74 3 0x1100092 bpf pflogd 44981 230806 1 0 3 0x80 sbwait pflogd 81947 258806 21646 73 3 0x1100090 kqread syslogd 21646 117259 1 0 3 0x100082 sbwait syslogd 37531 254343 1 0 3 0x100080 kqread resolvd 24973 513560 18083 77 3 0x100092 kqread dhcpleased 38279 16887 18083 77 3 0x100092 kqread dhcpleased 18083 261289 1 0 3 0x80 kqread dhcpleased 95645 237519 0 0 3 0x14200 bored smr 24046 92320 0 0 2 0x14200 zerothread 39281 184580 0 0 3 0x14200 aiodoned aiodoned 94916 9069 0 0 3 0x14200 syncer update 20302 241606 0 0 3 0x14200 cleaner cleaner 6628 201679 0 0 3 0x14200 reaper reaper 95593 263054 0 0 3 0x14200 pgdaemon pagedaemon 31098 206085 0 0 3 0x14200 bored viomb 69416 204862 0 0 3 0x40014200 acpi0 acpi0 61534 410304 0 0 3 0x40014200 idle1 87403 344491 0 0 3 0x14200 bored softnet3 34345 422971 0 0 3 0x14200 bored softnet2 22762 22078 0 0 3 0x14200 bored softnet1 5424 438397 0 0 3 0x14200 bored softnet0 6659 406599 0 0 3 0x14200 bored systqmp 90041 209074 0 0 3 0x14200 bored systq 4117 204488 0 0 3 0x14200 tmoslp softclockmp 52794 397911 0 0 3 0x40014200 tmoslp softclock 9299 46766 0 0 3 0x40014200 idle0 1 56206 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 18590 (syz-executor) thread 0xffff8000ffffc2a0 (458667) exclusive rwlock uobjlk r = 0 (0xfffffd806e471c58) #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_fault_lower_lookup+0x53 sys/uvm/uvm_fault.c:1173 #3 uvm_fault_lower+0x86 sys/uvm/uvm_fault.c:1310 #4 uvm_fault+0x272 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806bdfc838) #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 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #3 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:730 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:666 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #6 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #7 recall_trap+0x8 Process 67538 (syz-executor) thread 0xffff80002a348540 (334174) exclusive rwlock amaplk r = 0 (0xfffffd80688d4720) #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:1758 #4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 #5 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #6 net_sysctl+0x69a sys/kern/uipc_domain.c:259 #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 (0xfffffd806eb84108) #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:1701 #3 sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 #4 net_sysctl+0x69a sys/kern/uipc_domain.c:259 #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 (0xffffffff83964740) #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:412 #4 rw_do_enter_read+0x2de sys/kern/kern_rwlock.c:385 #5 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1864 #6 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:730 #7 uvm_fault+0x106 sys/uvm/uvm_fault.c:666 #8 uvm_fault_wire+0x73 sys/uvm/uvm_fault.c:1681 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #10 net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 #11 sys_sysctl+0x425 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 exclusive rwlock sysctllk r = 0 (0xffffffff837d8e78) #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 net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 #4 sys_sysctl+0x425 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10185 11020K 11213K 166960K 11277 0 pcb 18 12K 12K 166960K 18 0 rtable 232 6K 6K 166960K 343 0 pf 34 17K 18K 166960K 45 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 1 1K 1K 166960K 1 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 4K 166960K 1483 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1336 84K 84K 166960K 1359 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 93K 166960K 147 0 proc 70 91K 128K 166960K 532 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 31 148K 148K 166960K 31 0 exec 0 0K 1K 166960K 362 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 217 72K 72K 166960K 2848 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 44 88K 110K 166960K 1225 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 28 2K 2K 166960K 28 0 temp 35 8678K 8742K 166960K 3917 0 kqueue 13 20K 20K 166960K 22 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 37 0 33 1 0 1 1 0 8 0 rtentry 160 110 0 1 5 0 5 5 0 8 0 unpcb 144 37 0 20 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 11 0 5 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 376 69 0 59 2 0 2 2 0 8 0 nd6 136 23 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 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 pfstitem 24 18 0 0 1 0 1 1 0 8 0 pfstkey 128 18 0 0 1 0 1 1 0 8 0 pfstate 376 18 0 0 2 0 2 2 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 256 452 0 0 29 0 29 29 0 8 0 art_table 32 453 0 0 4 0 4 4 0 8 0 art_node 16 109 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1568 0 59 95 0 95 95 0 8 0 ffsino 280 1568 0 59 108 0 108 108 0 8 0 nchpl 144 1768 0 83 63 0 63 63 0 8 0 uvmvnodes 80 1657 0 0 34 0 34 34 0 8 0 vnodes 216 1657 0 0 93 0 93 93 0 8 0 namei 1024 5406 0 5406 1 0 1 1 0 8 1 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 5758 0 5758 3 1 2 2 1 8 2 plimitpl 152 28 0 10 1 0 1 1 0 8 0 sigapl 424 445 0 395 7 0 7 7 0 8 1 futexpl 64 151 0 146 1 0 1 1 0 8 0 knotepl 120 50 0 0 2 0 2 2 0 8 0 kqueuepl 216 18 0 9 1 0 1 1 0 8 0 pipepl 328 106 0 79 3 0 3 3 0 8 0 fdescpl 504 427 0 395 5 0 5 5 0 8 1 filepl 152 1465 0 1252 9 0 9 9 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 72 0 59 1 0 1 1 0 8 0 zombiepl 144 395 0 395 1 0 1 1 0 8 1 processpl 1176 445 0 395 5 0 5 5 0 8 0 procpl 656 475 0 417 5 0 5 5 0 8 0 sockpl 688 143 0 112 4 0 4 4 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k 2048 14 0 0 2 0 2 2 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 137 0 0 9 0 9 9 0 8 0 bufpl 280 2297 0 129 155 0 155 155 0 8 0 anonpl 24 89522 0 86224 23 0 23 23 0 184 2 amapchunkpl 152 8419 0 7968 18 0 18 18 0 158 0 amappl16 200 1491 0 1472 5 0 5 5 0 8 4 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 164 0 151 1 0 1 1 0 8 0 amappl13 176 2 0 2 1 1 0 1 0 8 0 amappl12 168 1069 0 1036 3 1 2 2 0 8 0 amappl11 160 47 0 33 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 0 1 1 0 8 1 amappl9 144 258 0 257 1 0 1 1 0 8 0 amappl8 136 17 0 15 1 0 1 1 0 8 0 amappl7 128 102 0 89 1 0 1 1 0 8 0 amappl6 120 178 0 174 1 0 1 1 0 8 0 amappl5 112 121 0 112 1 0 1 1 0 8 0 amappl4 104 313 0 296 1 0 1 1 0 8 0 amappl3 96 1323 0 1216 3 0 3 3 0 8 0 amappl2 88 629 0 563 2 0 2 2 0 8 0 amappl1 80 7746 0 7149 15 0 15 15 0 8 2 amappl 88 2484 0 2327 4 0 4 4 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 427 0 395 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 427 0 395 1 0 1 1 0 8 0 vmmpekpl 168 5255 0 5224 2 0 2 2 0 8 0 vmmpepl 168 32496 0 30651 84 0 84 84 0 357 3 vmsppl 456 426 0 395 5 0 5 5 0 8 1 rwobjpl 64 13745 0 11142 44 0 44 44 0 8 1 pdppl 4096 862 0 790 98 12 86 86 0 8 14 pvpl 32 9232 0 0 76 1 75 76 0 265 0 pmappl 248 426 0 395 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 265 0 14 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8380dff0) 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(ffffffff83964538) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83964538) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83964538) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83964538) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806bdfc738,215be8a8000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff8000304a8530,215be8a8000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000304a8530) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7435173ede80, count: 4 ddb{0}> trace x86_ipi_db(ffffffff8380dff0) 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(ffffffff83964538) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83964538) at __mp_lock+0x192 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff83964538) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83964538) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806bdfc738,215be8a8000,0,1) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:689 upageflttrap(ffff8000304a8530,215be8a8000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000304a8530) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7435173ede80, count: -11 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(ffffffff8343db5b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb4bb,ffffffff83380be7,6cb,ffffffff8333b2f0) at __assert+0x29 uvm_fault_unwire_locked(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000000,10011) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 net_sysctl(ffff80003c4de864,3,400000000000,ffff80003c4de898,0,0,c958c928515613b8) at net_sysctl+0x69a sys/kern/uipc_domain.c:259 sys_sysctl(ffff80002a348540,ffff80003c4de9d0,ffff80003c4de920) at sys_sysctl+0x425 syscall(ffff80003c4de9d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4de9d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb14347994e0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343db5b) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb4bb,ffffffff83380be7,6cb,ffffffff8333b2f0) at __assert+0x29 uvm_fault_unwire_locked(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806eb84008,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 sysctl_vsunlock(400000000000,10011) at sysctl_vsunlock+0x7b sys/kern/kern_sysctl.c:215 net_sysctl(ffff80003c4de864,3,400000000000,ffff80003c4de898,0,0,c958c928515613b8) at net_sysctl+0x69a sys/kern/uipc_domain.c:259 sys_sysctl(ffff80002a348540,ffff80003c4de9d0,ffff80003c4de920) at sys_sysctl+0x425 syscall(ffff80003c4de9d0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4de9d0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb14347994e0, count: -10