kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND 0(0,0,0,ffffffff82cc1ff0,0,0) at 0 timeout_run(fffffd807425ef00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd807425ef00,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82cc1ff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: attempt to execute user address 0x0 in supervisor mode ddb{0}> trace 0(0,0,0,ffffffff82cc1ff0,0,0) at 0 timeout_run(fffffd807425ef00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd807425ef00,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82cc1ff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -7 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a102b10 rbx 0 rdx 0 rcx 0xffff80002a0fca90 rax 0x9 r8 0 r9 0 r10 0x2be14d4faf9fcc6a r11 0 r12 0 r13 0xffffffff82cbd2a0 timeout_spinlock_obj r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a102ac8 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=101824 pid=41779 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0x10530c74bf8cfcc, list=0xffff80002a0fcd38,0xffff80002a0fc000 process=0xffff8000ffffec60 user=0xffff80002a0fd000, vmspace=0xffffffff82d63498 estcpu=0, cpticks=58027, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77639 73911 58706 0 3 0x80 nanoslp syz-executor.4 77639 410149 58706 0 3 0x4000080 piperd syz-executor.4 68446 359066 13257 0 2 0x480 syz-executor.6 68446 131827 13257 0 3 0x4000080 netcon syz-executor.6 68446 372701 13257 0 3 0x4000080 fsleep syz-executor.6 39956 276937 81032 0 3 0x80 nanoslp syz-executor.7 39956 244814 81032 0 3 0x4000080 netio syz-executor.7 39956 199377 81032 0 3 0x4000080 fsleep syz-executor.7 19306 168580 44802 0 3 0x80 nanoslp syz-executor.5 19306 383572 44802 0 3 0x4000080 bell syz-executor.5 19306 172352 44802 0 3 0x4000080 fsleep syz-executor.5 19306 231809 44802 0 3 0x4000080 fsleep syz-executor.5 91585 475619 32789 0 3 0x82 piperd syz-executor.2 46437 234212 0 0 3 0x14200 acct acct 58706 71980 32789 0 3 0x82 nanoslp syz-executor.4 81354 496634 1 0 3 0x18100083 ttyin getty 18707 273089 32789 0 3 0x82 piperd syz-executor.0 44802 436420 32789 0 3 0x82 nanoslp syz-executor.5 7499 78199 32789 0 3 0x82 piperd syz-executor.1 13257 399886 32789 0 3 0x82 nanoslp syz-executor.6 71166 200775 32789 0 3 0x82 piperd syz-executor.3 81032 301909 32789 0 3 0x82 nanoslp syz-executor.7 32042 8869 0 0 3 0x14280 nfsidl nfsio 33571 50637 0 0 3 0x14280 nfsidl nfsio 16362 51318 0 0 3 0x14280 nfsidl nfsio 27520 194532 0 0 3 0x14280 nfsidl nfsio 82116 275023 0 0 3 0x14280 nfsidl nfsio 30027 181722 0 0 3 0x14280 nfsidl nfsio 32776 175869 0 0 3 0x14280 nfsidl nfsio 19664 66622 0 0 3 0x14280 nfsidl nfsio 32396 453172 0 0 3 0x14280 nfsidl nfsio 70679 322775 0 0 3 0x14280 nfsidl nfsio 5334 501962 0 0 3 0x14280 nfsidl nfsio 38640 176122 0 0 3 0x14280 nfsidl nfsio 54655 165179 0 0 3 0x14280 nfsidl nfsio 32957 235392 0 0 3 0x14280 nfsidl nfsio 18646 476606 0 0 3 0x14280 nfsidl nfsio 83853 511563 0 0 3 0x14280 nfsidl nfsio 43993 75669 0 0 3 0x14280 nfsidl nfsio 41130 100700 0 0 3 0x14280 nfsidl nfsio 19323 9824 0 0 3 0x14280 nfsidl nfsio 91778 376754 0 0 3 0x14280 nfsidl nfsio 68524 488981 0 0 3 0x14200 bored sosplice 32789 298588 25446 0 3 0x1a000082 thrsleep syz-fuzzer 32789 508857 25446 0 3 0x1e000082 thrsleep syz-fuzzer 32789 365058 25446 0 3 0x1e000082 thrsleep syz-fuzzer 32789 187559 25446 0 3 0x1e000082 wait syz-fuzzer 32789 289929 25446 0 3 0x1e000082 wait syz-fuzzer 32789 502452 25446 0 3 0x1e000082 thrsleep syz-fuzzer 32789 376560 25446 0 3 0x1e000082 wait syz-fuzzer 32789 52769 25446 0 3 0x1e000082 wait syz-fuzzer 32789 232872 25446 0 3 0x1e000082 kqread syz-fuzzer 32789 84116 25446 0 3 0x1e000082 thrsleep syz-fuzzer 32789 28330 25446 0 3 0x1e000082 thrsleep syz-fuzzer 32789 93468 25446 0 3 0x1e000082 wait syz-fuzzer 32789 123859 25446 0 3 0x1e000082 wait syz-fuzzer 32789 506214 25446 0 3 0x1e000082 wait syz-fuzzer 32789 174619 25446 0 3 0x1e000082 wait syz-fuzzer 32789 258757 25446 0 3 0x1e000082 thrsleep syz-fuzzer 25446 256440 94089 0 3 0x810008a sigsusp ksh 94089 99405 52156 0 3 0x1800009a kqread sshd 52156 208979 1 0 3 0x18000088 kqread sshd 72041 162565 89171 74 3 0x19100092 bpf pflogd 89171 374946 1 0 3 0x18000080 netio pflogd 24379 400502 45495 73 3 0x19100090 kqread syslogd 45495 110422 1 0 3 0x18100082 netio syslogd 30881 198245 1 0 3 0x18100080 kqread resolvd 26164 464088 76209 77 3 0x18100092 kqread dhcpleased 5186 254084 76209 77 3 0x18100092 kqread dhcpleased 76209 335761 1 0 3 0x18000080 kqread dhcpleased 9184 372448 0 0 3 0x14200 bored smr 44357 399338 0 0 3 0x14200 pgzero zerothread 35067 29873 0 0 3 0x14200 aiodoned aiodoned 42683 159879 0 0 3 0x14200 syncer update 96064 61392 0 0 3 0x14200 cleaner cleaner 65511 404897 0 0 3 0x14200 reaper reaper 72399 171756 0 0 3 0x14200 pgdaemon pagedaemon 58013 203836 0 0 3 0x14200 bored viomb 26301 325268 0 0 3 0x40014200 acpi0 acpi0 29541 343288 0 0 7 0x40014200 idle1 91129 215710 0 0 3 0x14200 bored softnet3 82210 473624 0 0 3 0x14200 bored softnet2 79409 451855 0 0 3 0x14200 bored softnet1 56566 427774 0 0 2 0x14200 softnet0 8660 52029 0 0 3 0x14200 bored systqmp 15759 15741 0 0 3 0x14200 bored systq 13767 303416 0 0 3 0x14200 tmoslp softclockmp 86739 75766 0 0 3 0x40014200 tmoslp softclock *41779 101824 0 0 7 0x40014200 idle0 1 34389 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: shared mutex timeout r = 0 (0xffffffff82cbd2a0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 timeout_run+0xbb sys/kern/kern_timeout.c:662 #2 softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 #3 softclock+0x150 sys/kern/kern_timeout.c:749 #4 softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 #6 acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 #7 sched_idle+0x41d sys/kern/kern_sched.c:183 #8 proc_trampoline+0x10 Process 41779 (idle0) thread 0xffff80002a0fca90 (101824) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10234 6521K 9681K 166960K 19667 0 pcb 15 20K 22K 166960K 2517 0 rtable 200 6K 8K 166960K 4746 0 pf 35 10K 10K 166960K 737 0 ifaddr 47 19K 20K 166960K 581 0 ifgroup 62 2K 3K 166960K 1165 0 sysctl 4 1K 5K 166960K 26 0 counters 66 36K 37K 166960K 664 0 ioctlops 0 0K 4K 166960K 2775 0 iov 0 0K 32K 166960K 3191 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1715 108K 108K 166960K 9395 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 316 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 3062 0 dirhash 12 2K 3K 166960K 195 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 14 49K 81K 166960K 26552 0 sigio 1 0K 0K 166960K 578 0 proc 80 92K 116K 166960K 3503 0 subproc 104 6K 6K 166960K 953 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1860 0 in_multi 79 5K 7K 166960K 1072 0 ether_multi 1 0K 0K 166960K 33 0 mrt 1 0K 0K 166960K 26 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 277 1235K 1235K 166960K 277 0 exec 0 0K 1K 166960K 4688 0 pfkey data 0 0K 0K 166960K 44 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 628 937K 938K 166960K 254990 0 UVM aobj 131 4K 4K 166960K 134 0 pinsyscall 26 52K 108K 166960K 3503 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1063 0 NDP 13 0K 2K 166960K 460 0 temp 74 6812K 6940K 166960K 203428 0 kqueue 13 20K 29K 166960K 2151 0 SYN cache 2 1504K 1512K 166960K 4 0 ddb{0}> 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 1702 0 1699 21 20 1 5 0 8 0 rtentry 112 1483 0 1393 4 1 3 4 0 8 0 unpcb 144 20152 0 20129 151 149 2 11 0 8 1 syncache 336 172 0 172 34 34 0 1 0 8 0 tcpqe 32 1370 0 1370 28 28 0 2 0 8 0 tcpcb 808 7532 0 7513 206 201 5 18 0 8 2 arp 120 331 0 315 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 6 0 6 1 1 0 1 0 8 0 inpcb 392 20596 0 20538 287 278 9 21 0 8 2 nd6 136 233 0 215 1 0 1 1 0 8 0 pkpcb 40 236 0 236 20 19 1 1 0 8 1 kcovpl 48 73 0 65 1 0 1 1 0 8 0 ppxss 1168 95 0 95 23 23 0 1 0 8 0 pffrag 232 224 0 218 2 1 1 1 0 482 0 pffrnode 88 216 0 210 2 1 1 1 0 8 0 pffrent 40 968 0 962 2 1 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 774 0 743 1 0 1 1 0 8 0 pfstkey 128 776 0 745 5 3 2 3 0 8 0 pfstate 376 776 0 745 14 10 4 7 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 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 3961 0 3575 64 38 26 32 0 8 0 art_table 32 3962 0 3575 5 0 5 5 0 8 0 art_node 16 1343 0 1263 1 0 1 1 0 8 0 sysvmsgpl 40 40 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 3058 0 3048 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 139 0 122 3 0 3 3 0 8 0 dino2pl 256 36954 0 35325 103 0 103 103 0 8 0 ffsino 272 36954 0 35325 109 0 109 109 0 8 0 nchpl 144 72330 0 70601 67 0 67 67 0 8 0 uvmvnodes 80 6869 0 0 141 0 141 141 0 8 0 vnodes 216 6869 0 0 382 0 382 382 0 8 0 namei 1024 242141 0 242141 11 10 1 2 0 8 1 percpumem 16 346 0 299 1 0 1 1 0 8 0 vcpupl 2048 213 0 1 27 0 27 27 0 8 0 vmpool 696 268 0 56 20 0 20 20 0 8 0 kstatmem 264 624 0 598 4 2 2 3 0 8 0 scxspl 216 223937 0 223937 60 59 1 8 1 8 1 plimitpl 152 2895 0 2879 1 0 1 1 0 8 0 sigapl 424 26775 0 26708 23 14 9 9 0 8 0 futexpl 64 216623 0 216619 5 4 1 1 0 8 0 knotepl 120 1281 0 0 18 0 18 18 0 8 0 kqueuepl 216 5566 0 5557 89 84 5 6 0 8 4 pipepl 320 4150 0 4121 127 121 6 13 0 8 3 fdescpl 496 26732 0 26705 6 2 4 5 0 8 0 filepl 152 158815 0 158525 205 192 13 24 0 8 1 lockfpl 104 6268 0 6266 5 4 1 2 0 8 0 lockfspl 48 2103 0 2101 1 0 1 1 0 8 0 sessionpl 144 96 0 79 1 0 1 1 0 8 0 pgrppl 48 535 0 518 1 0 1 1 0 8 0 ucredpl 104 22965 0 22951 1 0 1 1 0 8 0 zombiepl 144 26708 0 26708 1 0 1 1 0 8 1 processpl 1136 26775 0 26708 7 1 6 6 0 8 0 procpl 680 70865 0 70775 18 9 9 10 0 8 0 srpgc 96 116 0 116 30 30 0 1 0 8 0 sosppl 168 383 0 377 4 3 1 1 0 8 0 sockpl 584 43010 0 42925 297 289 8 22 0 8 1 mcl64k 65536 17 0 0 3 1 2 3 0 8 0 mcl16k 16384 33 0 0 5 2 3 3 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 26 0 0 4 1 3 3 0 8 0 mcl4k 4096 41 0 0 3 0 3 3 0 8 0 mcl2k2 2112 12 0 0 1 0 1 1 0 8 0 mcl2k 2048 561 0 0 39 19 20 39 0 8 0 mtagpl 96 223 0 0 5 3 2 5 0 8 0 mbufpl 256 1706 0 0 64 0 64 64 0 8 0 bufpl 280 50152 0 43283 491 0 491 491 0 8 0 anonpl 24 2737294 0 2721466 261 140 121 160 0 186 0 amapchunkpl 152 834959 0 834013 152 111 41 68 0 158 0 amappl16 200 61646 0 61078 283 250 33 53 0 8 0 amappl15 192 88 0 87 3 2 1 1 0 8 0 amappl14 184 391 0 373 2 1 1 2 0 8 0 amappl13 176 109 0 108 2 1 1 1 0 8 0 amappl12 168 28397 0 28364 4 2 2 2 0 8 0 amappl11 160 61 0 47 1 0 1 1 0 8 0 amappl10 152 154 0 140 1 0 1 1 0 8 0 amappl9 144 353 0 353 39 38 1 1 0 8 1 amappl8 136 1120 0 916 8 0 8 8 0 8 0 amappl7 128 192 0 177 1 0 1 1 0 8 0 amappl6 120 1396 0 1368 2 1 1 2 0 8 0 amappl5 112 938 0 923 1 0 1 1 0 8 0 amappl4 104 1644 0 1597 3 1 2 3 0 8 0 amappl3 96 157543 0 157460 3 0 3 3 0 8 0 amappl2 88 28356 0 28270 15 12 3 4 0 8 0 amappl1 80 107536 0 106995 23 10 13 23 0 8 0 amappl 88 253137 0 252821 10 2 8 8 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 27000 0 26761 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 27000 0 26761 2 0 2 2 0 8 0 vmmpekpl 168 183746 0 183643 5 0 5 5 0 8 0 vmmpepl 168 1593627 0 1590779 530 378 152 167 0 357 0 vmsppl 448 26999 0 26761 30 3 27 27 0 8 0 rwobjpl 56 383684 0 374797 151 24 127 128 0 8 0 pdppl 4096 54007 0 53734 855 574 281 281 0 8 8 pvpl 32 46588 0 0 377 1 376 376 0 265 0 pmappl 248 26999 0 26761 16 0 16 16 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1902 0 1206 21 0 21 21 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace 0(0,0,0,ffffffff82cc1ff0,0,0) at 0 timeout_run(fffffd807425ef00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd807425ef00,0) at softclock_process_kclock_timeout+0x1cf sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xcd sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82cc1ff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029cebff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5