login: panic: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1739 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 251727 83153 32767 0x10 0 0 syz-executor *329452 83153 32767 0x10 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83435d5a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e5408,ffffffff83425f3e,6cb,ffffffff83338317) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c524774,2,4000000001c0,ffff80003c5247a8,0,37,d614ff873f2e15ba) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000314b2a48,ffff80003c5248e0,ffff80003c524830) at sys_sysctl+0x425 syscall(ffff80003c5248e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5248e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29b9db60990, 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 1739 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83435d5a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e5408,ffffffff83425f3e,6cb,ffffffff83338317) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c524774,2,4000000001c0,ffff80003c5247a8,0,37,d614ff873f2e15ba) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000314b2a48,ffff80003c5248e0,ffff80003c524830) at sys_sysctl+0x425 syscall(ffff80003c5248e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5248e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29b9db60990, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c524350 rbx 0xffff800029a9cdc7 rdx 0 rcx 0xffff8000314b2a48 rax 0xffff800029a9bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x623bedd677139dc r11 0xbedb66551fb27181 r12 0xffff800029a9cbc8 r13 0 r14 0 r15 0x1 rip 0xffffffff81ae9705 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c524340 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=329452 pid=83153 tcnt=4 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=0xffff8000314b27c0,0xffff8000314b3478 process=0xffff80003a4f1dd0 user=0xffff80003c51f000, vmspace=0xfffffd806c0431e8 estcpu=2, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83153 251727 94269 32767 7 0x10 syz-executor *83153 329452 94269 32767 7 0x4000010 syz-executor 83153 116232 94269 32767 2 0x4000010 syz-executor 83153 406017 94269 32767 2 0x4000010 syz-executor 76343 79578 1339 0 2 0x100000 sh 37842 377720 63266 0 2 0x2 sh 66633 246176 56160 0 2 0x100000 sh 1339 402832 21862 0 3 0x10008a sigsusp sh 89082 4229 80953 32767 2 0x10 syz-executor 89082 81408 80953 32767 2 0x4000010 syz-executor 21862 296994 98673 0 3 0x80 wait syz-executor 21903 186835 67566 32767 2 0x10 syz-executor 21903 210999 67566 32767 3 0x4000090 fsleep syz-executor 21903 498718 67566 32767 3 0x4000090 fsleep syz-executor 26386 282555 76490 32767 2 0x10 syz-executor 26386 361509 76490 32767 3 0x4000090 fsleep syz-executor 52027 344328 36391 32767 2 0x10 syz-executor 52027 219885 36391 32767 2 0x4000010 syz-executor 52027 267973 36391 32767 3 0x4000090 sbwait syz-executor 63266 349150 50374 0 3 0x80 wait syz-executor 56160 58809 33833 0 3 0x10008a sigsusp sh 36391 399272 35343 32767 3 0x90 nanoslp syz-executor 80953 342861 23772 32767 3 0x90 nanoslp syz-executor 67566 189913 13298 32767 3 0x90 nanoslp syz-executor 33833 99234 59308 0 3 0x80 wait syz-executor 76490 90259 70060 32767 3 0x90 nanoslp syz-executor 94269 38765 2368 32767 3 0x90 nanoslp syz-executor 98673 224515 28211 0 3 0x82 wait syz-executor 50374 208996 28211 0 3 0x82 wait syz-executor 13298 182175 28211 0 3 0x82 wait syz-executor 23772 459583 28211 0 3 0x82 wait syz-executor 35343 411023 28211 0 3 0x82 wait syz-executor 59308 246918 28211 0 3 0x82 wait syz-executor 70060 493611 28211 0 3 0x82 wait syz-executor 2368 158662 28211 0 3 0x82 wait syz-executor 28211 45076 29751 0 3 0x82 kqread syz-executor 29751 256943 34400 0 3 0x10008a sigsusp ksh 34400 513457 18407 0 3 0x98 kqread sshd-session 18407 232663 45800 0 3 0x92 kqread sshd-session 94147 467120 1 0 3 0x100083 ttyin getty 45800 464959 1 0 3 0x88 kqread sshd 11493 4119 57544 73 3 0x1100090 kqread syslogd 57544 424899 1 0 3 0x100082 sbwait syslogd 83964 116548 1 0 3 0x100080 kqread resolvd 15600 62673 54939 77 3 0x100092 kqread dhcpleased 42897 376662 54939 77 3 0x100092 kqread dhcpleased 54939 78270 1 0 3 0x80 kqread dhcpleased 35501 357770 0 0 3 0x14200 bored smr 45962 352368 0 0 2 0x14200 zerothread 22578 523760 0 0 3 0x14200 aiodoned aiodoned 20660 46063 0 0 3 0x14200 syncer update 60739 82238 0 0 3 0x14200 cleaner cleaner 90100 318200 0 0 3 0x14200 reaper reaper 46777 377080 0 0 3 0x14200 pgdaemon pagedaemon 31251 221072 0 0 3 0x14200 bored viomb 92885 342111 0 0 3 0x40014200 acpi0 acpi0 3856 224031 0 0 3 0x40014200 idle1 4109 233884 0 0 3 0x14200 bored softnet3 43165 518800 0 0 3 0x14200 bored softnet2 12281 165074 0 0 3 0x14200 bored softnet1 65172 207243 0 0 3 0x14200 bored softnet0 3441 146740 0 0 3 0x14200 bored systqmp 41530 73510 0 0 3 0x14200 bored systq 37490 182587 0 0 3 0x14200 tmoslp softclockmp 81648 253800 0 0 3 0x40014200 tmoslp softclock 5082 349996 0 0 3 0x40014200 idle0 1 39148 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 83153 (syz-executor) thread 0xffff8000314b2028 (251727) exclusive rwlock uobjlk r = 0 (0xfffffd806c831458) #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+0x1e9 sys/uvm/uvm_fault.c:690 #3 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 #4 usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c0432e8) #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: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 83153 (syz-executor) thread 0xffff8000314b2a48 (329452) exclusive rwlock amaplk r = 0 (0xfffffd806c14e4e8) #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 kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] #5 kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 #6 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #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 (0xfffffd806c0432e8) #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 kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] #3 kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #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 (0xffffffff838aaab0) #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:1864 #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:1681 #9 sysctl_vslock+0x109 sys/kern/kern_sysctl.c:195 #10 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #11 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #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 (0xffffffff838703e8) #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:185 #3 kern_sysctl_dirs+0x247 sys/kern/kern_sysctl.c:426 #4 kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10176 10951K 10966K 166960K 11255 0 pcb 17 12K 12K 166960K 17 0 rtable 176 5K 5K 166960K 274 0 pf 29 16K 16K 166960K 29 0 ifaddr 33 5K 5K 166960K 35 0 ifgroup 46 2K 2K 166960K 46 0 sysctl 1 1K 1K 166960K 1 0 counters 62 36K 36K 166960K 62 0 ioctlops 0 0K 2K 166960K 26 0 iov 1 0K 0K 166960K 1 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 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 28 105K 105K 166960K 124 0 proc 58 79K 127K 166960K 420 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 67 5K 5K 166960K 67 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 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 325 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 234 77K 77K 166960K 2527 0 UVM aobj 4 2K 2K 166960K 5 0 pinsyscall 49 98K 100K 166960K 1108 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 20 1K 1K 166960K 20 0 temp 34 8630K 8694K 166960K 3511 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 33 0 29 1 0 1 1 0 8 0 rtentry 112 82 0 1 3 0 3 3 0 8 0 unpcb 144 33 0 16 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 808 9 0 4 1 0 1 1 0 8 0 arp 120 14 0 0 1 0 1 1 0 8 0 inpcb 376 52 0 43 2 0 2 2 0 8 1 nd6 136 15 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 256 324 0 0 21 0 21 21 0 8 0 art_table 32 325 0 0 3 0 3 3 0 8 0 art_node 16 81 0 7 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1541 0 43 94 0 94 94 0 8 0 ffsino 280 1541 0 43 108 0 108 108 0 8 0 nchpl 144 1727 0 55 63 0 63 63 0 8 0 uvmvnodes 80 1622 0 0 34 0 34 34 0 8 0 vnodes 216 1622 0 0 91 0 91 91 0 8 0 namei 1024 4918 0 4918 1 0 1 1 0 8 1 percpumem 16 45 0 0 1 0 1 1 0 8 0 kstatmem 264 20 0 0 2 0 2 2 0 8 0 scxspl 216 5611 0 5611 3 1 2 2 1 8 2 plimitpl 152 35 0 10 1 0 1 1 0 8 0 sigapl 424 407 0 349 7 0 7 7 0 8 0 futexpl 64 44 0 41 1 0 1 1 0 8 0 knotepl 120 50 0 0 2 0 2 2 0 8 0 kqueuepl 216 19 0 9 1 0 1 1 0 8 0 pipepl 328 102 0 75 3 0 3 3 0 8 0 fdescpl 504 389 0 349 6 0 6 6 0 8 0 filepl 152 1283 0 1074 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 21 0 5 1 0 1 1 0 8 0 pgrppl 48 29 0 5 1 0 1 1 0 8 0 ucredpl 104 78 0 62 1 0 1 1 0 8 0 zombiepl 144 349 0 349 1 0 1 1 0 8 1 processpl 1168 407 0 349 5 0 5 5 0 8 0 procpl 648 418 0 351 6 0 6 6 0 8 0 sockpl 688 118 0 88 3 0 3 3 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 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 256 120 0 0 8 0 8 8 0 8 0 bufpl 280 2220 0 124 150 0 150 150 0 8 0 anonpl 24 74504 0 71396 21 0 21 21 0 184 2 amapchunkpl 152 7367 0 6842 21 0 21 21 0 158 0 amappl16 200 993 0 982 4 0 4 4 0 8 3 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 99 0 88 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 0 1 1 0 8 1 amappl12 168 968 0 930 2 0 2 2 0 8 0 amappl11 160 44 0 34 1 0 1 1 0 8 0 amappl10 152 22 0 22 1 0 1 1 0 8 1 amappl9 144 274 0 274 1 0 1 1 0 8 1 amappl8 136 19 0 18 1 0 1 1 0 8 0 amappl7 128 91 0 81 1 0 1 1 0 8 0 amappl6 120 163 0 157 1 0 1 1 0 8 0 amappl5 112 103 0 97 1 0 1 1 0 8 0 amappl4 104 272 0 259 1 0 1 1 0 8 0 amappl3 96 1150 0 1033 3 0 3 3 0 8 0 amappl2 88 590 0 535 2 0 2 2 0 8 0 amappl1 80 7235 0 6688 13 0 13 13 0 8 0 amappl 88 2200 0 2014 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 4 0 1 1 0 1 1 0 8 0 uaddrrnd 24 389 0 349 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 389 0 349 1 0 1 1 0 8 0 vmmpekpl 168 4795 0 4766 2 0 2 2 0 8 0 vmmpepl 168 29422 0 27453 86 0 86 86 0 357 0 vmsppl 456 388 0 349 5 0 5 5 0 8 0 rwobjpl 64 12334 0 9869 41 0 41 41 0 8 0 pdppl 4096 786 0 698 106 18 88 88 0 8 0 pvpl 32 8540 0 0 69 0 69 69 0 265 0 pmappl 248 388 0 349 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 270 0 20 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837a1ff0) 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(ffffffff838aa8a8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa8a8) 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 __mp_lock(ffffffff838aa8a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa8a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c0431e8,29bcab8e000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c1061a0,29bcab8e000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c1061a0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77b6c0a91720, count: 4 ddb{0}> trace x86_ipi_db(ffffffff837a1ff0) 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(ffffffff838aa8a8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa8a8) 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 __mp_lock(ffffffff838aa8a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838aa8a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 uvm_fault(fffffd806c0431e8,29bcab8e000,0,2) at uvm_fault+0x1ee sys/uvm/uvm_fault.c:691 upageflttrap(ffff80003c1061a0,29bcab8e000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff80003c1061a0) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x77b6c0a91720, 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:437 panic(ffffffff83435d5a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e5408,ffffffff83425f3e,6cb,ffffffff83338317) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c524774,2,4000000001c0,ffff80003c5247a8,0,37,d614ff873f2e15ba) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000314b2a48,ffff80003c5248e0,ffff80003c524830) at sys_sysctl+0x425 syscall(ffff80003c5248e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5248e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29b9db60990, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff83435d5a) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e5408,ffffffff83425f3e,6cb,ffffffff83338317) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire_locked+0x4c1 uvm_fault_unwire(fffffd806c0431e8,400000000000,400000011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1702 kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sysctl_vsunlock sys/kern/kern_sysctl.c:213 [inline] kern_sysctl_dirs(4e,ffff80003c524778,1,4000000001c0,ffff80003c5247a8,0,abf5b03a66f1556,1) at kern_sysctl_dirs+0x340 sys/kern/kern_sysctl.c:430 kern_sysctl(ffff80003c524774,2,4000000001c0,ffff80003c5247a8,0,37,d614ff873f2e15ba) at kern_sysctl+0x12d sys/kern/kern_sysctl.c:524 sys_sysctl(ffff8000314b2a48,ffff80003c5248e0,ffff80003c524830) at sys_sysctl+0x425 syscall(ffff80003c5248e0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5248e0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x29b9db60990, count: -10