panic: kpearninecl diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 353285 90854 32767 0x10 0 0 syz-executor *247713 84261 32767 0x10 0x4000000 1 syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425 syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9143993ac40, 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 cpu0: kernel diagnostic assertion "((flags & PGO_LOCKED) != 0 && rw_lock_held(uobj->vmobjlock)) || (flags & PGO_LOCKED) == 0" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_vnode.c", line 954 *cpu1: kernel diagnostic assertion "va >= entry->start" failed: file "/syzkaller/managers/setuid/kernel/sys/uvm/uvm_fault.c", line 1657 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425 syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9143993ac40, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000371fcfb0 rbx 0xffff800029b7cdbf rdx 0 rcx 0xffff800037235980 rax 0xffff800029b7bff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xd92eb4e09fde7de8 r11 0x6ea79f4021040fe9 r12 0xffff800029b7cbc0 r13 0 r14 0 r15 0x1 rip 0xffffffff821e79e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff8000371fcfa0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=247713 pid=84261 tcnt=3 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800037235c08,0xffff8000372342c8 process=0xffff800030ba6d70 user=0xffff8000371f8000, vmspace=0xfffffd806c283aa0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90854 353285 20283 32767 7 0x10 syz-executor 90854 96221 20283 32767 3 0x4000090 fsleep syz-executor 84261 469541 9793 32767 2 0x10 syz-executor 84261 245519 9793 32767 3 0x4000090 fsleep syz-executor *84261 247713 9793 32767 7 0x4000010 syz-executor 74206 204196 63338 32767 2 0x10 syz-executor 74206 115940 63338 32767 3 0x4000090 fsleep syz-executor 62906 196324 60211 32767 3 0x90 nanoslp syz-executor 62906 358200 60211 32767 3 0x4000090 netcon syz-executor 62906 393931 60211 32767 3 0x4000090 fsleep syz-executor 81282 331616 2044 32767 2 0x10 syz-executor 81282 162083 2044 32767 3 0x4000090 fsleep syz-executor 81282 482057 2044 32767 3 0x4000090 fsleep syz-executor 19142 432017 11103 32767 3 0x90 nanoslp syz-executor 19142 234654 11103 32767 3 0x4000090 fifor syz-executor 19142 165690 11103 32767 3 0x4000090 fsleep syz-executor 4456 330340 0 0 3 0x14200 bored sosplice 2044 468019 67466 32767 3 0x90 nanoslp syz-executor 63338 356565 79321 32767 3 0x90 nanoslp syz-executor 60211 214190 97384 32767 3 0x90 nanoslp syz-executor 9793 411507 57894 32767 3 0x90 nanoslp syz-executor 12111 480250 80230 32767 2 0x10 syz-executor 11103 469904 84765 32767 3 0x90 nanoslp syz-executor 46557 429753 58427 32767 3 0x90 wait syz-executor 20283 436568 99838 32767 3 0x90 nanoslp syz-executor 57894 13401 83231 0 3 0x82 wait syz-executor 97384 493067 83231 0 3 0x82 wait syz-executor 79321 101794 83231 0 3 0x82 wait syz-executor 67466 523490 83231 0 3 0x82 wait syz-executor 80230 396332 83231 0 3 0x82 wait syz-executor 58427 51857 83231 0 3 0x82 wait syz-executor 84765 246195 83231 0 3 0x82 wait syz-executor 99838 179862 83231 0 3 0x82 wait syz-executor 83231 190792 49459 0 3 0x82 kqread syz-executor 49459 63086 74906 0 3 0x10008a sigsusp ksh 74906 368223 31930 0 3 0x98 kqread sshd-session 31930 421390 219 0 3 0x92 kqread sshd-session 72493 374581 1 0 3 0x100083 ttyin getty 219 304214 1 0 3 0x88 kqread sshd 15148 378281 26717 73 3 0x1100090 kqread syslogd 26717 480278 1 0 3 0x100082 sbwait syslogd 2203 486705 1 0 3 0x100080 kqread resolvd 37010 221986 18831 77 3 0x100092 kqread dhcpleased 69174 74180 18831 77 3 0x100092 kqread dhcpleased 18831 48565 1 0 3 0x80 kqread dhcpleased 27556 372231 0 0 3 0x14200 bored smr 7110 395044 0 0 2 0x14200 zerothread 9128 126610 0 0 3 0x14200 aiodoned aiodoned 48807 189533 0 0 3 0x14200 syncer update 75442 102536 0 0 3 0x14200 cleaner cleaner 3053 329475 0 0 3 0x14200 reaper reaper 93783 496400 0 0 3 0x14200 pgdaemon pagedaemon 63998 503923 0 0 3 0x14200 bored viomb 87842 138924 0 0 3 0x40014200 acpi0 acpi0 20273 182941 0 0 3 0x40014200 idle1 69987 512459 0 0 3 0x14200 bored softnet3 8814 289333 0 0 3 0x14200 bored softnet2 10632 348010 0 0 3 0x14200 bored softnet1 47497 196236 0 0 3 0x14200 bored softnet0 1863 274377 0 0 3 0x14200 bored systqmp 98652 180952 0 0 3 0x14200 bored systq 56364 431059 0 0 3 0x14200 tmoslp softclockmp 13108 333269 0 0 3 0x40014200 tmoslp softclock 99386 415939 0 0 3 0x40014200 idle0 1 145886 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 84261 (syz-executor) thread 0xffff800037235980 (247713) exclusive rwlock amaplk r = 0 (0xfffffd805ffd6358) #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 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #3 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1676 #4 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 #5 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #5 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #6 sys_sysctl+0x425 #7 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #7 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83531560) #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+0x278 sys/kern/kern_synch.c:417 #4 rw_enter+0x348 sys/kern/kern_rwlock.c:285 #5 uvm_map_lock_entry+0x4c sys/uvm/uvm_map.c:464 #6 uvm_fault_unwire_locked+0x253 sys/uvm/uvm_fault.c:1676 #7 uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 #8 kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] #8 kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 #9 sys_sysctl+0x425 #10 syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] #10 syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 shared rwlock vmmaplk r = 0 (0xfffffd806c283b98) #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:1619 #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 rwlock sysctllk r = 0 (0xffffffff834f1960) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10185 11047K 11059K 166960K 11263 0 pcb 17 12K 12K 166960K 17 0 rtable 238 6K 7K 166960K 350 0 pf 31 16K 16K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 counters 64 36K 36K 166960K 64 0 ioctlops 0 0K 2K 166960K 32 0 iov 0 0K 8K 166960K 13 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1365 86K 86K 166960K 1398 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 47 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 25 93K 121K 166960K 298 0 sigio 0 0K 0K 166960K 5 0 proc 58 79K 103K 166960K 484 0 subproc 104 6K 6K 166960K 104 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 169 0 in_multi 99 7K 7K 166960K 101 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 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 461 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 256 76K 89K 166960K 4135 0 UVM aobj 7 2K 2K 166960K 7 0 pinsyscall 46 92K 114K 166960K 1294 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 17 0 NDP 11 0K 2K 166960K 27 0 temp 42 6815K 6879K 166960K 4236 0 kqueue 13 20K 26K 166960K 52 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 120 109 0 106 3 0 3 3 0 8 2 rtentry 112 113 0 1 4 0 4 4 0 8 0 unpcb 144 138 0 115 1 0 1 1 0 8 0 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpqe 32 3 0 3 1 0 1 1 0 8 1 tcpcb 808 115 0 101 5 0 5 5 0 8 3 arp 120 18 0 0 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 336 325 0 307 7 0 7 7 0 8 5 nd6 136 26 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 256 458 0 0 29 0 29 29 0 8 0 art_table 32 459 0 0 4 0 4 4 0 8 0 art_node 16 112 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semapl 112 45 0 35 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1779 0 275 95 0 95 95 0 8 0 ffsino 272 1779 0 275 101 0 101 101 0 8 0 nchpl 144 2201 0 525 63 0 63 63 0 8 0 uvmvnodes 80 1892 0 0 39 0 39 39 0 8 0 vnodes 216 1892 0 0 106 0 106 106 0 8 0 namei 1024 6813 0 6813 2 1 1 1 0 8 1 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 6562 0 6562 10 2 8 8 1 8 8 plimitpl 152 119 0 94 2 0 2 2 0 8 0 sigapl 424 572 0 516 7 0 7 7 0 8 0 futexpl 64 2399 0 2392 1 0 1 1 0 8 0 knotepl 120 309 0 0 10 0 10 10 0 8 0 kqueuepl 216 63 0 54 1 0 1 1 0 8 0 pipepl 320 116 0 88 3 0 3 3 0 8 0 fdescpl 496 553 0 516 7 1 6 6 0 8 0 filepl 152 2476 0 2218 14 0 14 14 0 8 3 lockfpl 104 64 0 62 1 0 1 1 0 8 0 lockfspl 48 25 0 23 1 0 1 1 0 8 0 sessionpl 144 23 0 7 1 0 1 1 0 8 0 pgrppl 48 32 0 8 1 0 1 1 0 8 0 ucredpl 104 285 0 266 1 0 1 1 0 8 0 zombiepl 144 517 0 516 1 0 1 1 0 8 0 processpl 1160 572 0 516 5 0 5 5 0 8 0 procpl 648 839 0 773 7 0 7 7 0 8 1 sosppl 168 2 0 1 1 0 1 1 0 8 0 sockpl 664 576 0 532 12 0 12 12 0 8 8 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 144 0 0 18 0 18 18 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 206 0 0 13 0 13 13 0 8 0 bufpl 280 2348 0 94 161 0 161 161 0 8 0 anonpl 24 205851 0 202486 47 0 47 47 0 185 10 amapchunkpl 152 14734 0 13973 34 0 34 34 0 158 3 amappl16 200 6266 0 6249 16 3 13 15 0 8 8 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 109 0 99 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 0 1 1 0 8 1 amappl12 168 1150 0 1113 2 0 2 2 0 8 0 amappl11 160 56 0 46 1 0 1 1 0 8 0 amappl10 152 17 0 17 1 1 0 1 0 8 0 amappl9 144 140 0 140 1 1 0 1 0 8 0 amappl8 136 30 0 29 1 0 1 1 0 8 0 amappl7 128 105 0 94 1 0 1 1 0 8 0 amappl6 120 158 0 157 1 0 1 1 0 8 0 amappl5 112 132 0 124 1 0 1 1 0 8 0 amappl4 104 283 0 269 1 0 1 1 0 8 0 amappl3 96 2483 0 2376 4 0 4 4 0 8 0 amappl2 88 832 0 747 3 0 3 3 0 8 0 amappl1 80 8112 0 7577 14 0 14 14 0 8 1 amappl 88 3791 0 3590 6 0 6 6 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 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 553 0 516 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 553 0 516 1 0 1 1 0 8 0 vmmpekpl 168 5832 0 5797 2 0 2 2 0 8 0 vmmpepl 168 44482 0 42488 102 1 101 101 0 357 11 vmsppl 448 552 0 516 5 0 5 5 0 8 0 rwobjpl 56 20331 0 17587 43 0 43 43 0 8 0 pdppl 4096 1113 0 1032 117 34 83 95 0 8 2 pvpl 32 14955 0 0 121 0 121 121 0 265 0 pmappl 248 552 0 516 4 1 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 407 0 38 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83477ff0) 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(ffffffff83531358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83531358) 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 cnputc(20) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(3a) at db_putchar+0x524 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(3a) at db_putchar+0x524 sys/ddb/db_output.c:153 kprintf() at kprintf+0x843 db_printf(ffffffff8308a500) at db_printf+0x9b panic(ffffffff830eb279) at panic+0x103 sys/kern/subr_prf.c:216 __assert(ffffffff8309de80,ffffffff8303c7a2,3ba,ffffffff830c029b) at __assert+0x29 uvn_get(fffffd806d38cab8,0,ffff8000371f7340,ffff8000371f71bc,0,1,1f6587a45d2cf05f,0) at uvn_get+0x69b sys/uvm/uvm_vnode.c:953 uvm_fault_lower_lookup(ffff8000371f73c8,ffff8000371f7400,ffff8000371f7340) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1125 end trace frame: 0xffff8000371f72b0, count: 0 ddb{0}> trace x86_ipi_db(ffffffff83477ff0) 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(ffffffff83531358) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83531358) 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 cnputc(20) at cnputc+0x61 sys/dev/cons.c:218 db_putchar(3a) at db_putchar+0x524 db_force_whitespace sys/ddb/db_output.c:102 [inline] db_putchar(3a) at db_putchar+0x524 sys/ddb/db_output.c:153 kprintf() at kprintf+0x843 db_printf(ffffffff8308a500) at db_printf+0x9b panic(ffffffff830eb279) at panic+0x103 sys/kern/subr_prf.c:216 __assert(ffffffff8309de80,ffffffff8303c7a2,3ba,ffffffff830c029b) at __assert+0x29 uvn_get(fffffd806d38cab8,0,ffff8000371f7340,ffff8000371f71bc,0,1,1f6587a45d2cf05f,0) at uvn_get+0x69b sys/uvm/uvm_vnode.c:953 uvm_fault_lower_lookup(ffff8000371f73c8,ffff8000371f7400,ffff8000371f7340) at uvm_fault_lower_lookup+0x10e sys/uvm/uvm_fault.c:1125 uvm_fault_lower(ffff8000371f73c8,ffff8000371f7400,ffff8000371f7340,0) at uvm_fault_lower+0x74 sys/uvm/uvm_fault.c:1224 uvm_fault(fffffd806c2831e0,110c230000,0,1) at uvm_fault+0x2e4 sys/uvm/uvm_fault.c:632 upageflttrap(ffff8000371f7540,110c230000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:188 usertrap(ffff8000371f7540) at usertrap+0x2d8 sys/arch/amd64/amd64/trap.c:436 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x783663c91290, count: -19 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(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425 syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9143993ac40, count: 6 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff830eb279) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff8309de80,ffffffff830d4110,679,ffffffff83000b3b) at __assert+0x29 uvm_fault_unwire_locked(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire_locked+0x4b4 uvm_fault_unwire(fffffd806c283aa0,20000000,20011000) at uvm_fault_unwire+0x55 sys/uvm/uvm_fault.c:1620 kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sysctl_vsunlock sys/kern/kern_sysctl.c:209 [inline] kern_sysctl(ffff8000371fd324,5,20000100,ffff8000371fd358,0,67,72fce3405be5c7bb) at kern_sysctl+0x500 sys/kern/kern_sysctl.c:508 sys_sysctl(ffff800037235980,ffff8000371fd490,ffff8000371fd3e0) at sys_sysctl+0x425 syscall(ffff8000371fd490) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:178 [inline] syscall(ffff8000371fd490) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9143993ac40, count: -9