panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1741 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 396416 88933 32767 0x10 0 0 syz-executor *191519 88933 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343de2e) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb2e6,ffffffff8342b2e2,6cd,ffffffff8333dde4) at __assert+0x29 uvm_fault_unwire_locked(fffffd8069f3c750,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(400000000080,202ff) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 net_sysctl(ffff80003a8db7a4,3,400000000080,ffff80003a8db7d8,0,0,928b31ecedbf284e) at net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 sys_sysctl(ffff8000374c2cf0,ffff80003a8db910,ffff80003a8db860) at sys_sysctl+0x425 syscall(ffff80003a8db910) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a8db910) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b4ec5df580, 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/setuid/kernel/sys/uvm/uvm_fault.c", line 1741 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343de2e) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb2e6,ffffffff8342b2e2,6cd,ffffffff8333dde4) at __assert+0x29 uvm_fault_unwire_locked(fffffd8069f3c750,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(400000000080,202ff) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 net_sysctl(ffff80003a8db7a4,3,400000000080,ffff80003a8db7d8,0,0,928b31ecedbf284e) at net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 sys_sysctl(ffff8000374c2cf0,ffff80003a8db910,ffff80003a8db860) at sys_sysctl+0x425 syscall(ffff80003a8db910) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a8db910) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b4ec5df580, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003a8db4d0 rbx 0xffff800029a9cdc7 rdx 0 rcx 0xffff8000374c2cf0 rax 0xffff800029a9bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7175ed5c7d2ab6e1 r11 0x7b2b4510f2de143c r12 0xffff800029a9cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff816c87e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003a8db4c0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=191519 pid=88933 tcnt=5 stat=onproc flags process=10 proc=4000000 runpri=36, usrpri=50, slppri=36, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000374c34a0,0xffff800038cca7e8 process=0xffff80002a489ba8 user=0xffff80003a8d6000, vmspace=0xfffffd8069f3c750 estcpu=22, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88933 396416 2769 32767 7 0x10 syz-executor 88933 81031 2769 32767 2 0x4000010 syz-executor *88933 191519 2769 32767 7 0x4000010 syz-executor 88933 417235 2769 32767 2 0x4000010 syz-executor 88933 283891 2769 32767 2 0x4000010 syz-executor 46568 463553 47968 32767 2 0x10 syz-executor 46568 192469 47968 32767 3 0x4000090 lockf syz-executor 16861 155025 47858 0 2 0x100002 sh 74047 173530 50847 32767 2 0x10 syz-executor 74047 18554 50847 32767 3 0x4000090 fsleep syz-executor 36079 66242 32676 32767 2 0x10 syz-executor 36079 13362 32676 32767 3 0x4000090 fsleep syz-executor 28293 27979 91051 32767 2 0x10 syz-executor 28293 44464 91051 32767 3 0x4000090 fsleep syz-executor 28293 198489 91051 32767 3 0x4000090 fsleep syz-executor 60626 518416 19942 32767 2 0x10 syz-executor 60626 227212 19942 32767 2 0x4000010 syz-executor 60626 150038 19942 32767 3 0x4000090 fsleep syz-executor 4821 59810 46760 32767 2 0x10 syz-executor 4821 385280 46760 32767 3 0x4000090 fsleep syz-executor 4821 42174 46760 32767 3 0x4000090 fsleep syz-executor 4821 48469 46760 32767 3 0x4000090 fsleep syz-executor 2769 501338 90768 32767 3 0x90 nanoslp syz-executor 46760 147553 46034 32767 3 0x90 nanoslp syz-executor 47968 362222 38994 32767 3 0x90 nanoslp syz-executor 32676 498970 87826 32767 3 0x90 nanoslp syz-executor 19942 275911 51267 32767 3 0x90 nanoslp syz-executor 47858 164487 34054 0 3 0x80 wait syz-executor 91051 52286 60354 32767 3 0x90 nanoslp syz-executor 50847 441043 920 32767 3 0x90 nanoslp syz-executor 90768 128011 31141 0 3 0x82 wait syz-executor 46034 80278 31141 0 3 0x82 wait syz-executor 38994 357851 31141 0 3 0x82 wait syz-executor 87826 408195 31141 0 3 0x82 wait syz-executor 51267 258156 31141 0 3 0x82 wait syz-executor 60354 50522 31141 0 3 0x82 wait syz-executor 34054 178049 31141 0 3 0x82 wait syz-executor 920 481776 31141 0 3 0x82 wait syz-executor 31141 192411 37430 0 3 0x82 kqread syz-executor 37430 455085 62285 0 3 0x10008a sigsusp ksh 62285 59168 17369 0 3 0x98 kqread sshd-session 17369 59771 8668 0 3 0x92 kqread sshd-session 364 485093 1 0 3 0x100083 ttyin getty 8668 315780 1 0 3 0x88 kqread sshd 48641 168257 86152 73 3 0x1100090 kqread syslogd 86152 472396 1 0 3 0x100082 sbwait syslogd 16884 6037 1 0 3 0x100080 kqread resolvd 1576 73572 82757 77 3 0x100092 kqread dhcpleased 75330 522330 82757 77 3 0x100092 kqread dhcpleased 82757 44823 1 0 3 0x80 kqread dhcpleased 25191 520823 0 0 3 0x14200 bored smr 40361 475424 0 0 2 0x14200 zerothread 50984 87777 0 0 3 0x14200 aiodoned aiodoned 70241 151214 0 0 3 0x14200 syncer update 7897 300407 0 0 3 0x14200 cleaner cleaner 9136 456691 0 0 3 0x14200 reaper reaper 23834 180099 0 0 3 0x14200 pgdaemon pagedaemon 93052 424059 0 0 3 0x14200 bored viomb 95339 274552 0 0 3 0x40014200 acpi0 acpi0 16007 522679 0 0 3 0x40014200 idle1 54883 4420 0 0 3 0x14200 bored softnet3 311 31023 0 0 3 0x14200 bored softnet2 12494 340068 0 0 3 0x14200 bored softnet1 60714 215345 0 0 3 0x14200 bored softnet0 77327 454289 0 0 3 0x14200 bored systqmp 24829 342011 0 0 3 0x14200 bored systq 45205 218781 0 0 3 0x14200 tmoslp softclockmp 91103 107579 0 0 3 0x40014200 tmoslp softclock 40581 273234 0 0 3 0x40014200 idle0 1 261331 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 88933 (syz-executor) thread 0xffff8000374c3210 (396416) exclusive rwlock uobjlk r = 0 (0xfffffd8009b337d8) #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:1175 #3 uvm_fault_lower+0x86 sys/uvm/uvm_fault.c:1312 #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 (0xfffffd8069f3c850) #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:1866 #3 uvm_fault_check+0x4b sys/uvm/uvm_fault.c:732 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:668 #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 88933 (syz-executor) thread 0xffff8000374c2cf0 (191519) exclusive rwlock amaplk r = 0 (0xfffffd8069ccbe68) #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_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] #4 uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 #5 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #6 net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 #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 (0xfffffd8069f3c850) #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_wire+0x116 uvm_fault_unwire sys/uvm/uvm_fault.c:1703 [inline] #2 uvm_fault_wire+0x116 sys/uvm/uvm_fault.c:1686 #3 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 #4 net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 #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 (0xffffffff838d08a0) #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 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 (0xffffffff837eb878) #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 10183 10953K 10966K 166960K 11262 0 pcb 17 12K 12K 166960K 17 0 rtable 220 6K 6K 166960K 332 0 pf 31 16K 16K 166960K 31 0 ifaddr 40 7K 7K 166960K 42 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 1K 166960K 1 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 28 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1332 84K 84K 166960K 1348 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 26 97K 117K 166960K 152 0 proc 58 79K 103K 166960K 469 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 2 0 in_multi 91 6K 6K 166960K 91 0 ether_multi 2 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 49 228K 228K 166960K 49 0 exec 0 0K 1K 166960K 342 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 250 78K 78K 166960K 2677 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 47 94K 112K 166960K 1167 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 25 1K 1K 166960K 25 0 temp 34 8678K 8742K 166960K 3697 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 32 1 0 1 1 0 8 0 rtentry 112 104 0 1 3 0 3 3 0 8 0 unpcb 144 37 0 16 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 16 0 8 1 0 1 1 0 8 0 arp 120 18 0 0 1 0 1 1 0 8 0 inpcb 376 69 0 56 2 0 2 2 0 8 0 nd6 136 21 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 412 0 0 26 0 26 26 0 8 0 art_table 32 413 0 0 4 0 4 4 0 8 0 art_node 16 103 0 9 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 1 0 0 1 0 1 1 0 8 0 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 1552 0 51 94 0 94 94 0 8 0 ffsino 280 1552 0 51 108 0 108 108 0 8 0 nchpl 144 1748 0 70 63 0 63 63 0 8 0 uvmvnodes 80 1633 0 0 34 0 34 34 0 8 0 vnodes 216 1633 0 0 91 0 91 91 0 8 0 namei 1024 5102 0 5102 2 0 2 2 0 8 2 percpumem 16 46 0 0 1 0 1 1 0 8 0 kstatmem 264 22 0 0 2 0 2 2 0 8 0 scxspl 216 5694 0 5694 3 1 2 2 1 8 2 plimitpl 152 37 0 12 2 0 2 2 0 8 1 sigapl 424 431 0 375 7 0 7 7 0 8 0 futexpl 64 165 0 157 1 0 1 1 0 8 0 knotepl 120 58 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 11 1 0 1 1 0 8 0 pipepl 328 101 0 74 3 0 3 3 0 8 0 fdescpl 504 413 0 375 7 1 6 6 0 8 0 filepl 152 1347 0 1121 9 0 9 9 0 8 0 lockfpl 104 11 0 6 1 0 1 1 0 8 0 lockfspl 48 7 0 3 1 0 1 1 0 8 0 sessionpl 144 21 0 5 1 0 1 1 0 8 0 pgrppl 48 30 0 6 1 0 1 1 0 8 0 ucredpl 104 99 0 81 1 0 1 1 0 8 0 zombiepl 144 375 0 375 1 0 1 1 0 8 1 processpl 1176 431 0 375 5 0 5 5 0 8 0 procpl 656 464 0 394 6 0 6 6 0 8 0 sockpl 688 143 0 104 4 0 4 4 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 130 0 0 17 0 17 17 0 8 0 mcl2k 2048 17 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 142 0 0 9 0 9 9 0 8 0 bufpl 280 2236 0 124 151 0 151 151 0 8 0 anonpl 24 95310 0 92070 23 0 23 23 0 184 3 amapchunkpl 152 8149 0 7567 23 0 23 23 0 158 0 amappl16 200 1839 0 1825 5 0 5 5 0 8 4 amappl15 192 2 0 2 1 0 1 1 0 8 1 amappl14 184 101 0 91 1 0 1 1 0 8 0 amappl13 176 9 0 8 1 0 1 1 0 8 0 amappl12 168 1016 0 978 2 0 2 2 0 8 0 amappl11 160 45 0 35 1 0 1 1 0 8 0 amappl10 152 6 0 6 1 0 1 1 0 8 1 amappl9 144 244 0 244 1 0 1 1 0 8 1 amappl8 136 19 0 18 1 0 1 1 0 8 0 amappl7 128 93 0 83 1 0 1 1 0 8 0 amappl6 120 175 0 170 1 0 1 1 0 8 0 amappl5 112 116 0 110 1 0 1 1 0 8 0 amappl4 104 274 0 261 1 0 1 1 0 8 0 amappl3 96 1271 0 1136 4 0 4 4 0 8 0 amappl2 88 595 0 543 2 0 2 2 0 8 0 amappl1 80 7470 0 6921 13 0 13 13 0 8 1 amappl 88 2341 0 2140 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 128 253 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 24 413 0 375 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 413 0 375 1 0 1 1 0 8 0 vmmpekpl 168 4918 0 4886 2 0 2 2 0 8 0 vmmpepl 168 31435 0 29431 89 0 89 89 0 357 0 vmsppl 456 412 0 375 7 1 6 6 0 8 0 rwobjpl 64 13686 0 11199 42 0 42 42 0 8 0 pdppl 4096 834 0 750 110 14 96 96 0 8 12 pvpl 32 9531 0 0 79 1 78 78 0 265 1 pmappl 248 412 0 375 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 279 0 17 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837c4ff0) 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(ffffffff838d0698) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d0698) 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(ffffffff838d0698) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d0698) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000334b5450) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000334b5450) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76eebb5ea7d0, count: 6 ddb{0}> trace x86_ipi_db(ffffffff837c4ff0) 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(ffffffff838d0698) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d0698) 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(ffffffff838d0698) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838d0698) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000334b5450) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000334b5450) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x76eebb5ea7d0, count: -9 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(ffffffff8343de2e) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb2e6,ffffffff8342b2e2,6cd,ffffffff8333dde4) at __assert+0x29 uvm_fault_unwire_locked(fffffd8069f3c750,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(400000000080,202ff) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 net_sysctl(ffff80003a8db7a4,3,400000000080,ffff80003a8db7d8,0,0,928b31ecedbf284e) at net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 sys_sysctl(ffff8000374c2cf0,ffff80003a8db910,ffff80003a8db860) at sys_sysctl+0x425 syscall(ffff80003a8db910) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a8db910) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b4ec5df580, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8343de2e) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833eb2e6,ffffffff8342b2e2,6cd,ffffffff8333dde4) at __assert+0x29 uvm_fault_unwire_locked(fffffd8069f3c750,400000000000,400000003000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d uvm_fault_unwire sys/uvm/uvm_fault.c:1704 [inline] uvm_fault_wire(fffffd8069f3c750,400000000000,400000021000,3) at uvm_fault_wire+0x12d sys/uvm/uvm_fault.c:1686 sysctl_vslock(400000000080,202ff) at sysctl_vslock+0x109 sys/kern/kern_sysctl.c:197 net_sysctl(ffff80003a8db7a4,3,400000000080,ffff80003a8db7d8,0,0,928b31ecedbf284e) at net_sysctl+0x5a1 sys/kern/uipc_domain.c:253 sys_sysctl(ffff8000374c2cf0,ffff80003a8db910,ffff80003a8db860) at sys_sysctl+0x425 syscall(ffff80003a8db910) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a8db910) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7b4ec5df580, count: -10