kernel: page fault trap, code=0 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND 0(0,0,0,0,59d,fffffd8073c92f10) at 0 timeout_run(fffffd8073c92f10) at timeout_run+0x8b sys/kern/kern_timeout.c:641 softclock_process_kclock_timeout(fffffd8073c92f10,0) at softclock_process_kclock_timeout+0x1c6 sys/kern/kern_timeout.c:666 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:717 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x2ee sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82b9dff0) at sched_idle+0x2ea sys/kern/kern_sched.c:175 end trace frame: 0x0, count: 8 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(0,0,0,0,59d,fffffd8073c92f10) at 0 timeout_run(fffffd8073c92f10) at timeout_run+0x8b sys/kern/kern_timeout.c:641 softclock_process_kclock_timeout(fffffd8073c92f10,0) at softclock_process_kclock_timeout+0x1c6 sys/kern/kern_timeout.c:666 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:717 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x2ee sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82b9dff0) at sched_idle+0x2ea sys/kern/kern_sched.c:175 end trace frame: 0x0, count: -7 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000215fe3b0 rbx 0 rdx 0 rcx 0xffffffff82c10a70 timeout_todo rax 0x9 r8 0x2b r9 0x2b r10 0x355cee77429f1b96 r11 0 r12 0 r13 0xffffffff82b9dff0 cpu_info_full_primary+0x1ff0 r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000215fe378 ss 0x10 0 ddb> show proc PROC (idle0) pid=77926 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0x39b41856cc1cdfa2, list=0xffff8000fffff5c0,0xffff8000ffffeaf0 process=0xffff8000ffffcbd0 user=0xffff8000215f9000, vmspace=0xffffffff82c0a9b0 estcpu=0, cpticks=108269, pctcpu=0.0 user=0, sys=0, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 50861 468093 46645 0 3 0x80 nanoslp syz-executor.2 50861 33950 46645 0 3 0x4000080 ttyin syz-executor.2 50861 78017 46645 0 3 0x4000080 ttyout syz-executor.2 50861 105770 46645 0 3 0x4000080 fsleep syz-executor.2 27278 118740 41733 0 2 0x480 syz-executor.3 27278 56190 41733 0 3 0x4000080 netio syz-executor.3 27278 345889 41733 0 3 0x4000080 fsleep syz-executor.3 27278 33143 41733 0 3 0x4000080 fsleep syz-executor.3 29996 42126 31768 0 3 0x82 piperd syz-executor.1 41733 340930 31768 0 3 0x82 nanoslp syz-executor.3 37061 351514 1 0 3 0x100083 ttyin getty 92770 378688 31768 0 3 0x82 piperd syz-executor.6 94189 29587 31768 0 3 0x82 piperd syz-executor.7 46645 520995 31768 0 2 0x482 syz-executor.2 35100 136922 31768 0 3 0x82 piperd syz-executor.0 79409 458558 31768 0 3 0x82 piperd syz-executor.5 48670 325597 31768 0 3 0x82 piperd syz-executor.4 34327 438821 0 0 3 0x14200 bored sosplice 31768 412919 34247 0 3 0x82 wait syz-fuzzer 31768 257218 34247 0 3 0x4000082 thrsleep syz-fuzzer 31768 11107 34247 0 3 0x4000082 thrsleep syz-fuzzer 31768 101948 34247 0 3 0x4000082 thrsleep syz-fuzzer 31768 257572 34247 0 3 0x4000082 thrsleep syz-fuzzer 31768 8066 34247 0 3 0x4000082 wait syz-fuzzer 31768 331849 34247 0 3 0x4000082 wait syz-fuzzer 31768 70668 34247 0 3 0x4000082 wait syz-fuzzer 31768 306475 34247 0 3 0x4000082 wait syz-fuzzer 31768 344056 34247 0 3 0x4000082 thrsleep syz-fuzzer 31768 405910 34247 0 3 0x4000082 wait syz-fuzzer 31768 365568 34247 0 3 0x4000082 wait syz-fuzzer 31768 148596 34247 0 3 0x4000082 kqread syz-fuzzer 31768 356356 34247 0 3 0x4000082 wait syz-fuzzer 34247 331216 29464 0 3 0x10008a sigsusp ksh 29464 303052 99429 0 3 0x9a kqread sshd 99429 50151 1 0 3 0x88 kqread sshd 44310 232956 57844 73 3 0x1100090 kqread syslogd 57844 70350 1 0 3 0x100082 netio syslogd 63765 417536 1 0 3 0x100080 kqread resolvd 60472 20424 0 0 3 0x14200 bored smr 80461 225008 0 0 3 0x14200 pgzero zerothread 32089 456043 0 0 3 0x14200 aiodoned aiodoned 47960 345002 0 0 3 0x14200 syncer update 91139 160810 0 0 3 0x14200 cleaner cleaner 98303 270367 0 0 3 0x14200 reaper reaper 1979 277254 0 0 3 0x14200 pgdaemon pagedaemon 42419 263802 0 0 3 0x14200 bored viomb 12523 381017 0 0 3 0x40014200 acpi0 acpi0 80705 8146 0 0 3 0x14200 bored softnet 95209 199876 0 0 3 0x14200 bored softnet 27973 254012 0 0 3 0x14200 bored softnet 63529 259210 0 0 3 0x14200 bored softnet 14648 298985 0 0 3 0x14200 bored systqmp 57941 47639 0 0 3 0x14200 bored systq 49599 242569 0 0 3 0x40014200 bored softclock *55289 77926 0 0 7 0x40014200 idle0 1 502494 0 0 3 0x82 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 10218 6425K 7323K 78643K 39468 0 pcb 13 20K 24K 78643K 2860 0 rtable 137 14K 16K 78643K 4131 0 ifaddr 76 25K 30K 78643K 1286 0 sysctl 2 0K 0K 78643K 4 0 counters 26 17K 17K 78643K 548 0 ioctlops 0 0K 4K 78643K 1594 0 iov 0 0K 32K 78643K 1815 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1605 100K 101K 78643K 21218 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 129 0 VM map 2 1K 1K 78643K 2 0 sem 21 5K 10K 78643K 261 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 12 41K 73K 78643K 12931 0 sigio 1 0K 0K 78643K 147 0 proc 59 43K 75K 78643K 2990 0 subproc 104 6K 7K 78643K 1092 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 603 0 in_multi 55 3K 6K 78643K 1197 0 ether_multi 1 0K 0K 78643K 80 0 mrt 1 0K 0K 78643K 48 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 259 1155K 1155K 78643K 259 0 exec 0 0K 1K 78643K 3714 0 pfkey data 0 0K 0K 78643K 47 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 303 92K 109K 78643K 88152 0 UVM aobj 131 4K 4K 78643K 133 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 473 0 NDP 11 0K 1K 78643K 458 0 temp 125 5770K 71434K 78643K 180668 0 kqueue 6 10K 28K 78643K 954 0 SYN cache 2 2352K 2360K 78643K 3 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 2579 0 2578 31 29 2 3 0 8 1 rtentry 112 1265 0 1214 5 2 3 4 0 8 0 unpcb 144 11758 0 11752 150 149 1 12 0 8 0 syncache 296 29 0 29 10 10 0 1 0 8 0 tcpqe 32 691 0 691 7 7 0 2 0 8 0 tcpcb 776 4738 0 4734 159 158 1 8 0 8 0 arp 88 187 0 179 1 0 1 1 0 8 0 ipq 40 9 0 9 4 4 0 1 0 8 0 ipqe 40 26 0 26 4 4 0 1 0 8 0 inpcb 336 13905 0 13900 287 286 1 21 0 8 0 nd6 48 267 0 257 1 0 1 1 0 8 0 pkpcb 40 66 0 66 10 10 0 1 0 8 0 kcovpl 48 84 0 76 1 0 1 1 0 8 0 mppekey 1024 4 0 4 1 1 0 1 0 8 0 ppxss 1160 365 0 365 35 35 0 1 0 8 0 pppxif 1360 106 0 106 13 13 0 1 0 8 0 pfstscr 40 85 0 75 3 2 1 1 0 8 0 pfanchor 1280 644 0 329 32 5 27 27 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 264 2 0 2 1 1 0 1 0 8 0 pfstitem 24 20 0 0 1 0 1 1 0 8 0 pfstkey 128 170 0 165 3 2 1 1 0 8 0 pfstate 352 85 0 75 4 3 1 2 0 8 0 rttmr 136 12 0 12 3 3 0 1 0 8 0 art_heap8 4096 6 0 4 5 3 2 3 0 8 0 art_heap4 256 5055 0 4773 65 39 26 29 0 8 0 art_table 32 5061 0 4777 5 1 4 4 0 8 0 art_node 16 1139 0 1095 1 0 1 1 0 8 0 semupl 112 6 0 6 2 2 0 1 0 8 0 semapl 112 251 0 232 1 0 1 1 0 8 0 shmpl 112 130 0 2 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 24786 0 23310 93 0 93 93 0 8 0 ffsino 240 24786 0 23310 88 0 88 88 0 8 0 nchpl 144 41627 0 39990 63 1 62 63 0 8 0 rtmask 32 9 0 9 3 3 0 1 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 174770 0 174770 5 4 1 3 0 8 1 vmpool 664 53 0 53 8 8 0 1 0 8 0 kstatmem 264 558 0 536 3 1 2 3 0 8 0 scsiplug 72 15 0 15 5 5 0 1 0 8 0 scxspl 216 104042 0 104042 43 42 1 8 0 8 1 plimitpl 152 2491 0 2477 1 0 1 1 0 8 0 sigapl 424 13196 0 13159 8 1 7 8 0 8 0 futexpl 64 149159 0 149156 3 2 1 1 0 8 0 knotepl 120 204032 0 203967 110 107 3 12 0 8 0 kqueuepl 184 2645 0 2640 44 43 1 4 0 8 0 pipepl 288 3073 0 3045 56 53 3 7 0 8 0 fdescpl 432 13057 0 13037 4 0 4 4 0 8 0 filepl 120 130108 0 129884 215 206 9 21 0 8 0 lockfpl 104 3210 0 3209 7 6 1 2 0 8 0 lockfspl 48 983 0 982 1 0 1 1 0 8 0 sessionpl 144 103 0 88 1 0 1 1 0 8 0 pgrppl 48 587 0 572 1 0 1 1 0 8 0 ucredpl 104 39153 0 39145 1 0 1 1 0 8 0 zombiepl 144 13159 0 13159 2 1 1 1 0 8 1 processpl 1008 13196 0 13159 10 3 7 9 0 8 0 procpl 696 36186 0 36130 50 43 7 11 0 8 0 sosppl 168 140 0 140 30 30 0 1 0 8 0 sockpl 456 28355 0 28343 824 818 6 42 0 8 4 mcl64k 65536 804 0 804 41 40 1 2 0 8 1 mcl16k 16384 468 0 468 49 48 1 1 0 8 1 mcl12k 12288 525 0 525 39 39 0 1 0 8 0 mcl9k 9216 195 0 195 50 49 1 1 0 8 1 mcl8k 8192 1048 0 1048 33 32 1 1 0 8 1 mcl4k 4096 1452 0 1452 14 13 1 1 0 8 1 mcl2k2 2112 84 0 84 46 46 0 1 0 8 0 mcl2k 2048 112789 0 112718 94 83 11 31 0 8 0 mtagpl 96 2411 0 2247 28 19 9 14 0 8 0 mbufpl 256 350419 0 350155 1107 1071 36 298 0 8 0 bufpl 288 26497 0 20103 458 0 458 458 0 8 0 anonpl 24 2634435 0 2618878 323 201 122 166 0 188 4 amapchunkpl 152 255066 0 254438 179 145 34 58 0 158 3 amappl16 200 19727 0 19101 122 87 35 50 0 8 0 amappl15 192 25 0 24 1 0 1 1 0 8 0 amappl14 184 414 0 406 2 1 1 2 0 8 0 amappl13 176 14 0 14 3 3 0 1 0 8 0 amappl12 168 1286 0 1283 1 0 1 1 0 8 0 amappl11 160 55 0 51 1 0 1 1 0 8 0 amappl10 152 120 0 109 1 0 1 1 0 8 0 amappl9 144 1119 0 1118 1 0 1 1 0 8 0 amappl8 136 638 0 543 4 0 4 4 0 8 0 amappl7 128 388 0 367 2 0 2 2 0 8 0 amappl6 120 679 0 666 2 1 1 2 0 8 0 amappl5 112 599 0 594 1 0 1 1 0 8 0 amappl4 104 1697 0 1673 2 1 1 2 0 8 0 amappl3 96 38022 0 37987 2 0 2 2 0 8 0 amappl2 88 14321 0 14271 3 1 2 3 0 8 0 amappl1 80 298175 0 297648 41 25 16 26 0 8 0 amappl 88 86649 0 86492 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 72 132 0 2 3 0 3 3 0 8 0 uaddrrnd 24 13110 0 13090 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 13110 0 13090 1 0 1 1 0 8 0 vmmpekpl 168 107785 0 107732 4 0 4 4 0 8 0 vmmpepl 168 1224674 0 1222458 489 354 135 161 0 357 0 vmsppl 344 13109 0 13090 3 0 3 3 0 8 0 rwobjpl 24 317639 0 310049 54 5 49 50 0 8 0 pdppl 4096 26226 0 26180 1228 1170 58 68 0 8 12 pvpl 32 5241368 0 5221143 621 411 210 333 0 265 12 pmappl 216 13109 0 13090 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3643 0 2858 31 6 25 31 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace 0(0,0,0,0,59d,fffffd8073c92f10) at 0 timeout_run(fffffd8073c92f10) at timeout_run+0x8b sys/kern/kern_timeout.c:641 softclock_process_kclock_timeout(fffffd8073c92f10,0) at softclock_process_kclock_timeout+0x1c6 sys/kern/kern_timeout.c:666 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:717 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x2ee sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82b9dff0) at sched_idle+0x2ea sys/kern/kern_sched.c:175 end trace frame: 0x0, count: -7 ddb> machine ddbcpu 1 No such command ddb> trace 0(0,0,0,0,59d,fffffd8073c92f10) at 0 timeout_run(fffffd8073c92f10) at timeout_run+0x8b sys/kern/kern_timeout.c:641 softclock_process_kclock_timeout(fffffd8073c92f10,0) at softclock_process_kclock_timeout+0x1c6 sys/kern/kern_timeout.c:666 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:717 softintr_dispatch(0) at softintr_dispatch+0xd1 sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x1f acpicpu_idle() at acpicpu_idle+0x2ee sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82b9dff0) at sched_idle+0x2ea sys/kern/kern_sched.c:175 end trace frame: 0x0, count: -7