kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND *503489 11200 0 0x14000 0x200 0 reaper 0(0,0,0,0,289,fffffd806e15be78) at 0 timeout_run(fffffd806e15be78) at timeout_run+0x8f sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806e15be78,0) at softclock_process_kclock_timeout+0x1cd sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 Xspllower() at Xspllower+0x1d printf(ffffffff8291f57b) at printf+0x88 sys/kern/subr_prf.c:532 uvm_fault_unwire_locked(fffffd8074b546d0,1fd6f836000,1fd6fa35000) at uvm_fault_unwire_locked+0x211 uvm_unmap_kill_entry_withlock(fffffd8074b546d0,fffffd8075e49e78,0) at uvm_unmap_kill_entry_withlock+0x66 sys/uvm/uvm_map.c:1893 uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd8074b546d0) at uvmspace_free+0x96 sys/uvm/uvm_map.c:3461 reaper(ffff80002a5d79a8) at reaper+0x15a sys/kern/kern_exit.c:463 end trace frame: 0x0, count: 3 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: attempt to execute user address 0x0 in supervisor mode ddb> trace 0(0,0,0,0,289,fffffd806e15be78) at 0 timeout_run(fffffd806e15be78) at timeout_run+0x8f sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806e15be78,0) at softclock_process_kclock_timeout+0x1cd sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 Xspllower() at Xspllower+0x1d printf(ffffffff8291f57b) at printf+0x88 sys/kern/subr_prf.c:532 uvm_fault_unwire_locked(fffffd8074b546d0,1fd6f836000,1fd6fa35000) at uvm_fault_unwire_locked+0x211 uvm_unmap_kill_entry_withlock(fffffd8074b546d0,fffffd8075e49e78,0) at uvm_unmap_kill_entry_withlock+0x66 sys/uvm/uvm_map.c:1893 uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd8074b546d0) at uvmspace_free+0x96 sys/uvm/uvm_map.c:3461 reaper(ffff80002a5d79a8) at reaper+0x15a sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -12 ddb> show registers rdi 0 rsi 0 rbp 0xffff80002a5d5570 rbx 0 rdx 0 rcx 0xffffffff82d25ff0 cpu_info_full_primary+0x1ff0 rax 0x9 r8 0x101010101010101 r9 0x8080808080808080 r10 0xffff80002a5d55c0 r11 0 r12 0 r13 0xffffffff82d25ff0 cpu_info_full_primary+0x1ff0 r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a5d5538 ss 0x10 0 ddb> show proc PROC (reaper) tid=503489 pid=11200 tcnt=1 stat=onproc flags process=14000 proc=200 runpri=86, usrpri=86, slppri=4, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a58dc30,0xffff80002a5d7728 process=0xffff8000ffffee10 user=0xffff80002a5d0000, vmspace=0xffffffff82e022b8 estcpu=36, cpticks=22, pctcpu=19.74, user=0, sys=999, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 77072 403907 2857 0 2 0x8000002 syz-executor.7 30970 178412 0 0 3 0x14280 nfsidl nfsio 83897 115164 0 0 3 0x14280 nfsidl nfsio 96876 155854 0 0 3 0x14280 nfsidl nfsio 54759 265364 0 0 3 0x14280 nfsidl nfsio 50482 386056 0 0 3 0x14280 nfsidl nfsio 88403 188163 0 0 3 0x14280 nfsidl nfsio 61432 43201 0 0 3 0x14280 nfsidl nfsio 61060 375172 0 0 3 0x14280 nfsidl nfsio 18847 274235 0 0 3 0x14280 nfsidl nfsio 30440 365506 0 0 3 0x14280 nfsidl nfsio 53212 34653 0 0 3 0x14280 nfsidl nfsio 42315 198716 0 0 3 0x14280 nfsidl nfsio 58227 153719 0 0 3 0x14280 nfsidl nfsio 4742 127420 0 0 3 0x14280 nfsidl nfsio 19423 311543 0 0 3 0x14280 nfsidl nfsio 63130 317014 0 0 3 0x14280 nfsidl nfsio 90523 395685 0 0 3 0x14280 nfsidl nfsio 73550 91439 0 0 3 0x14280 nfsidl nfsio 26994 159563 0 0 3 0x14280 nfsidl nfsio 22345 134918 0 0 3 0x14280 nfsidl nfsio 47193 340887 0 0 3 0x14200 bored sosplice 2857 266037 16171 0 3 0x1a000082 thrsleep syz-fuzzer 2857 125655 16171 0 2 0x1e000482 syz-fuzzer 2857 325618 16171 0 3 0x1e000082 wait syz-fuzzer 2857 46089 16171 0 3 0x1e000082 thrsleep syz-fuzzer 2857 159953 16171 0 3 0x1e000082 thrsleep syz-fuzzer 2857 389216 16171 0 3 0x1e000082 wait syz-fuzzer 2857 339067 16171 0 3 0x1e000082 wait syz-fuzzer 2857 460574 16171 0 3 0x1e000082 wait syz-fuzzer 2857 187907 16171 0 2 0x1e000482 syz-fuzzer 2857 203611 16171 0 3 0x1e000082 thrsleep syz-fuzzer 2857 465798 16171 0 3 0x1e000082 wait syz-fuzzer 2857 104869 16171 0 3 0x1e000082 wait syz-fuzzer 2857 362251 16171 0 3 0x1e000082 wait syz-fuzzer 2857 167371 16171 0 3 0x1e000082 wait syz-fuzzer 16171 447902 92602 0 3 0x810008a sigsusp ksh 92602 417523 53630 0 3 0x1800009a kqread sshd 26277 466765 1 0 3 0x18100083 ttyin getty 53630 33071 1 0 3 0x18000088 kqread sshd 84637 302402 50505 73 2 0x19100010 syslogd 50505 19781 1 0 3 0x18100082 sbwait syslogd 37132 129243 1 0 3 0x18100080 kqread resolvd 35422 27238 91526 77 3 0x18100092 kqread dhcpleased 56171 203701 91526 77 2 0x18100492 dhcpleased 91526 1065 1 0 3 0x18000080 kqread dhcpleased 61904 227863 0 0 2 0x14200 smr 11062 304248 0 0 2 0x14200 zerothread 44167 516681 0 0 3 0x14200 aiodoned aiodoned 41962 376719 0 0 2 0x14600 update 71728 4156 0 0 3 0x14200 cleaner cleaner *11200 503489 0 0 7 0x14200 reaper 39040 144307 0 0 3 0x14200 pgdaemon pagedaemon 42319 178113 0 0 3 0x14200 bored viomb 28998 190083 0 0 3 0x40014200 acpi0 acpi0 7444 109817 0 0 3 0x14200 bored softnet3 1972 84384 0 0 3 0x14200 bored softnet2 95136 215257 0 0 3 0x14200 bored softnet1 78524 410815 0 0 2 0x14200 softnet0 41910 514570 0 0 3 0x14200 bored systqmp 85790 422877 0 0 3 0x14200 bored systq 11908 507328 0 0 2 0x40014200 softclock 65007 457234 0 0 3 0x40014200 idle0 1 277218 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10177 6413K 12057K 166960K 14890 0 pcb 17 15K 16K 166960K 265 0 rtable 197 10K 11K 166960K 2025 0 pf 30 9K 10K 166960K 169 0 ifaddr 40 11K 12K 166960K 263 0 ifgroup 53 2K 2K 166960K 316 0 sysctl 4 1K 2K 166960K 7 0 counters 30 17K 17K 166960K 91 0 ioctlops 0 0K 2K 166960K 129 0 iov 0 0K 16K 166960K 91 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1452 91K 92K 166960K 3470 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 6K 166960K 26 0 VM map 2 1K 1K 166960K 2 0 sem 12 1K 1K 166960K 97 0 dirhash 12 2K 3K 166960K 90 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 9 29K 105K 166960K 2088 0 sigio 0 0K 0K 166960K 30 0 proc 58 59K 124K 166960K 1926 0 subproc 91 5K 8K 166960K 715 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 226 0 in_multi 88 6K 7K 166960K 684 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 1224 0 pfkey data 0 0K 4K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 294 86K 103K 166960K 18229 0 UVM aobj 53 6K 6K 166960K 60 0 pinsyscall 29 58K 100K 166960K 4487 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 78 0 NDP 11 0K 2K 166960K 186 0 temp 74 6812K 6940K 166960K 73908 0 kqueue 12 18K 28K 166960K 209 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 251 0 248 1 0 1 1 0 8 0 rtentry 112 684 0 597 4 1 3 4 0 8 0 unpcb 144 1065 0 1052 1 0 1 1 0 8 0 syncache 336 8 0 8 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 16 0 16 1 1 0 1 0 8 0 tcpcb 808 376 0 371 3 1 2 2 0 8 1 arp 88 118 0 102 1 0 1 1 0 8 0 ipq 40 3 0 3 1 1 0 1 0 8 0 ipqe 40 5 0 5 1 1 0 1 0 8 0 inpcb 352 1897 0 1889 14 12 2 8 0 8 1 nd6 104 186 0 165 1 0 1 1 0 8 0 pkpcb 40 21 0 21 3 2 1 1 0 8 1 kcovpl 48 55 0 48 1 0 1 1 0 8 0 ppxss 1072 7 0 7 3 2 1 1 0 8 1 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2889 0 2488 51 23 28 29 0 8 0 art_table 32 2890 0 2488 4 0 4 4 0 8 0 art_node 16 683 0 605 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 9 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 93 0 83 1 0 1 1 0 8 0 shmpl 112 57 0 7 2 0 2 2 0 8 0 dirhash 1024 69 0 52 3 0 3 3 0 8 0 dino2pl 256 4173 0 2661 96 0 96 96 0 8 0 ffsino 240 4173 0 2661 91 0 91 91 0 8 0 nchpl 144 6837 0 6250 66 42 24 66 0 8 0 uvmvnodes 80 5900 0 0 121 0 121 121 0 8 0 vnodes 216 5900 0 0 328 0 328 328 0 8 0 namei 1024 28223 0 28222 3 2 1 3 0 8 0 vcpupl 3904 6 0 0 1 0 1 1 0 8 0 vmpool 664 9 0 3 1 0 1 1 0 8 0 kstatmem 264 144 0 122 2 0 2 2 0 8 0 scxspl 216 58220 0 58220 8 7 1 8 1 8 1 plimitpl 152 362 0 345 1 0 1 1 0 8 0 sigapl 424 2316 0 2252 9 0 9 9 0 8 0 futexpl 64 26465 0 26465 1 0 1 1 0 8 1 knotepl 120 10176 0 10107 23 17 6 17 0 8 1 kqueuepl 184 507 0 499 4 3 1 3 0 8 0 pipepl 288 456 0 435 3 0 3 3 0 8 0 fdescpl 432 2278 0 2258 5 1 4 5 0 8 0 filepl 120 13867 0 13664 20 11 9 16 0 8 1 lockfpl 104 534 0 532 2 1 1 2 0 8 0 lockfspl 48 254 0 252 1 0 1 1 0 8 0 sessionpl 144 70 0 54 1 0 1 1 0 8 0 pgrppl 48 80 0 64 1 0 1 1 0 8 0 ucredpl 104 1857 0 1842 1 0 1 1 0 8 0 zombiepl 144 2265 0 2252 1 0 1 1 0 8 0 processpl 1072 2316 0 2252 6 0 6 6 0 8 0 procpl 656 3972 0 3885 9 1 8 9 0 8 0 sosppl 168 15 0 15 3 2 1 1 0 8 1 sockpl 504 3258 0 3234 26 20 6 14 0 8 3 mcl64k 65536 16 0 16 2 2 0 1 0 8 0 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 2 0 2 2 2 0 1 0 8 0 mcl8k 8192 83 0 83 3 2 1 1 0 8 1 mcl4k 4096 11 0 11 2 2 0 1 0 8 0 mcl2k2 2112 7 0 7 1 1 0 1 0 8 0 mcl2k 2048 28698 0 28604 82 63 19 53 0 8 5 mtagpl 96 140 0 139 2 0 2 2 0 8 1 mbufpl 256 70828 0 70707 40 20 20 27 0 8 4 bufpl 280 10255 0 2265 571 0 571 571 0 8 0 anonpl 24 399881 0 388868 87 20 67 68 0 188 0 amapchunkpl 152 60335 0 59385 53 16 37 42 0 158 0 amappl16 200 7846 0 7716 36 27 9 20 0 8 0 amappl15 192 10 0 10 2 1 1 1 0 8 1 amappl14 184 350 0 336 2 1 1 2 0 8 0 amappl13 176 33 0 33 1 1 0 1 0 8 0 amappl12 168 3615 0 3586 2 0 2 2 0 8 0 amappl11 160 58 0 47 1 0 1 1 0 8 0 amappl10 152 103 0 93 1 0 1 1 0 8 0 amappl9 144 229 0 229 1 1 0 1 0 8 0 amappl8 136 251 0 219 2 0 2 2 0 8 0 amappl7 128 66 0 52 1 0 1 1 0 8 0 amappl6 120 932 0 918 2 1 1 2 0 8 0 amappl5 112 360 0 348 1 0 1 1 0 8 0 amappl4 104 835 0 803 4 2 2 2 0 8 1 amappl3 96 11163 0 11072 3 0 3 3 0 8 0 amappl2 88 2849 0 2772 4 2 2 4 0 8 0 amappl1 80 18588 0 18100 24 11 13 22 0 8 1 amappl 88 17264 0 17063 6 1 5 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 59 0 7 1 0 1 1 0 8 0 uaddrrnd 24 2287 0 2255 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2287 0 2255 1 0 1 1 0 8 0 vmmpekpl 168 20970 0 20906 4 1 3 4 0 8 0 vmmpepl 168 166071 0 164214 126 37 89 113 0 357 7 vmsppl 344 2286 0 2254 4 0 4 4 0 8 0 rwobjpl 24 49660 0 42616 43 0 43 43 0 8 0 pdppl 4096 4580 0 4514 244 176 68 86 0 8 2 pvpl 32 1080528 0 1067134 426 254 172 370 0 265 38 pmappl 216 2286 0 2254 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 655 0 315 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace 0(0,0,0,0,289,fffffd806e15be78) at 0 timeout_run(fffffd806e15be78) at timeout_run+0x8f sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806e15be78,0) at softclock_process_kclock_timeout+0x1cd sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 Xspllower() at Xspllower+0x1d printf(ffffffff8291f57b) at printf+0x88 sys/kern/subr_prf.c:532 uvm_fault_unwire_locked(fffffd8074b546d0,1fd6f836000,1fd6fa35000) at uvm_fault_unwire_locked+0x211 uvm_unmap_kill_entry_withlock(fffffd8074b546d0,fffffd8075e49e78,0) at uvm_unmap_kill_entry_withlock+0x66 sys/uvm/uvm_map.c:1893 uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd8074b546d0) at uvmspace_free+0x96 sys/uvm/uvm_map.c:3461 reaper(ffff80002a5d79a8) at reaper+0x15a sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -12 ddb> machine ddbcpu 1 No such command ddb> trace 0(0,0,0,0,289,fffffd806e15be78) at 0 timeout_run(fffffd806e15be78) at timeout_run+0x8f sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806e15be78,0) at softclock_process_kclock_timeout+0x1cd sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xc1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 Xspllower() at Xspllower+0x1d printf(ffffffff8291f57b) at printf+0x88 sys/kern/subr_prf.c:532 uvm_fault_unwire_locked(fffffd8074b546d0,1fd6f836000,1fd6fa35000) at uvm_fault_unwire_locked+0x211 uvm_unmap_kill_entry_withlock(fffffd8074b546d0,fffffd8075e49e78,0) at uvm_unmap_kill_entry_withlock+0x66 sys/uvm/uvm_map.c:1893 uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:176 [inline] uvm_map_teardown(fffffd8074b546d0) at uvm_map_teardown+0x157 sys/uvm/uvm_map.c:2534 uvmspace_free(fffffd8074b546d0) at uvmspace_free+0x96 sys/uvm/uvm_map.c:3461 reaper(ffff80002a5d79a8) at reaper+0x15a sys/kern/kern_exit.c:463 end trace frame: 0x0, count: -12