kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND 0(0,0,0,ffffffff82d0eff0,0,ffffffffffffffff) at 0 timeout_run(fffffd8071597f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd8071597f00,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82d0eff0) at sched_idle+0x41e 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,ffffffff82d0eff0,0,ffffffffffffffff) at 0 timeout_run(fffffd8071597f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd8071597f00,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82d0eff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -7 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a1020c0 rbx 0 rdx 0 rcx 0xffff80002a0fbd48 rax 0x9 r8 0 r9 0 r10 0x16e5e92a4db9a339 r11 0 r12 0 r13 0xffffffff82d38ad0 timeout_spinlock_obj r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a102078 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=72691 pid=32505 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xb49e41758e7c5816, list=0xffff80002a0fcd38,0xffff80002a0fbab0 process=0xffff8000fffff0d0 user=0xffff80002a0fd000, vmspace=0xffffffff82e310b8 estcpu=0, cpticks=60691, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 83811 83604 53210 0 3 0x80 nanoslp syz-executor.5 83811 516978 53210 0 3 0x4000080 kqpoll syz-executor.5 92690 60239 88586 0 3 0x80 nanoslp syz-executor.1 92690 94995 88586 0 3 0x4000080 netcon syz-executor.1 92690 55272 88586 0 3 0x4000080 fsleep syz-executor.1 36638 56068 26869 0 3 0x82 piperd syz-executor.4 85050 434099 0 0 3 0x14200 acct acct 5398 461367 26869 0 3 0x82 piperd syz-executor.3 52683 342635 26869 0 3 0x82 piperd syz-executor.0 35220 324417 1 0 3 0x100083 ttyin getty 78327 24487 26869 0 3 0x82 piperd syz-executor.7 2455 335768 26869 0 3 0x82 piperd syz-executor.6 54843 498187 26869 0 3 0x82 piperd syz-executor.2 88586 398125 26869 0 3 0x82 nanoslp syz-executor.1 53210 9804 26869 0 3 0x82 nanoslp syz-executor.5 74463 476551 0 0 3 0x14280 nfsidl nfsio 63882 106703 0 0 3 0x14280 nfsidl nfsio 86600 422235 0 0 3 0x14280 nfsidl nfsio 70880 351628 0 0 3 0x14280 nfsidl nfsio 7271 42369 0 0 3 0x14280 nfsidl nfsio 12973 398891 0 0 3 0x14280 nfsidl nfsio 31387 112208 0 0 3 0x14280 nfsidl nfsio 68558 426989 0 0 3 0x14280 nfsidl nfsio 42465 265075 0 0 3 0x14280 nfsidl nfsio 58813 252269 0 0 3 0x14280 nfsidl nfsio 30186 73304 0 0 3 0x14280 nfsidl nfsio 12901 282536 0 0 3 0x14280 nfsidl nfsio 80414 488014 0 0 3 0x14280 nfsidl nfsio 48291 280574 0 0 3 0x14280 nfsidl nfsio 22049 108736 0 0 3 0x14280 nfsidl nfsio 60992 70011 0 0 3 0x14280 nfsidl nfsio 25722 360018 0 0 3 0x14280 nfsidl nfsio 97409 355718 0 0 3 0x14280 nfsidl nfsio 37546 521218 0 0 3 0x14280 nfsidl nfsio 55007 515898 0 0 3 0x14280 nfsidl nfsio 39372 451305 0 0 3 0x14200 bored sosplice 26869 247408 23930 0 3 0x2000082 thrsleep syz-fuzzer 26869 119455 23930 0 3 0x6000082 thrsleep syz-fuzzer 26869 87166 23930 0 3 0x6000082 wait syz-fuzzer 26869 197356 23930 0 3 0x6000082 thrsleep syz-fuzzer 26869 206705 23930 0 3 0x6000082 wait syz-fuzzer 26869 288488 23930 0 3 0x6000082 wait syz-fuzzer 26869 449800 23930 0 3 0x6000082 thrsleep syz-fuzzer 26869 271275 23930 0 3 0x6000082 wait syz-fuzzer 26869 522041 23930 0 3 0x6000082 wait syz-fuzzer 26869 256882 23930 0 3 0x6000082 thrsleep syz-fuzzer 26869 440955 23930 0 3 0x6000082 thrsleep syz-fuzzer 26869 517003 23930 0 3 0x6000082 wait syz-fuzzer 26869 247265 23930 0 3 0x6000082 wait syz-fuzzer 26869 363419 23930 0 3 0x6000082 kqread syz-fuzzer 26869 285740 23930 0 3 0x6000082 thrsleep syz-fuzzer 26869 479668 23930 0 3 0x6000082 wait syz-fuzzer 23930 409778 85761 0 3 0x10008a sigsusp ksh 85761 277927 31543 0 3 0x9a kqread sshd 31543 130119 1 0 3 0x88 kqread sshd 33734 127596 26081 74 3 0x1100092 bpf pflogd 26081 351483 1 0 3 0x80 netio pflogd 52171 506308 3942 73 3 0x1100090 kqread syslogd 3942 359388 1 0 3 0x100082 netio syslogd 14570 432871 1 0 3 0x100080 kqread resolvd 64258 93191 0 0 3 0x14200 bored smr 26013 234044 0 0 3 0x14200 pgzero zerothread 11037 13655 0 0 3 0x14200 aiodoned aiodoned 67241 209810 0 0 3 0x14200 syncer update 67786 358775 0 0 3 0x14200 cleaner cleaner 32161 135618 0 0 3 0x14200 reaper reaper 94607 353962 0 0 3 0x14200 pgdaemon pagedaemon 78865 421818 0 0 3 0x14200 bored viomb 89510 192389 0 0 3 0x40014200 acpi0 acpi0 92647 125436 0 0 7 0x40014200 idle1 29166 382830 0 0 3 0x14200 bored softnet3 20697 489341 0 0 3 0x14200 bored softnet2 81598 267975 0 0 3 0x14200 bored softnet1 72500 217282 0 0 3 0x14200 bored softnet0 30105 134456 0 0 3 0x14200 bored systqmp 58063 120598 0 0 3 0x14200 bored systq 48577 176142 0 0 3 0x14200 tmoslp softclockmp 7954 57043 0 0 3 0x40014200 tmoslp softclock *32505 72691 0 0 7 0x40014200 idle0 1 89552 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: shared mutex timeout r = 0 (0xffffffff82d38ad0) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:662 #2 softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:696 #3 softclock+0x150 sys/kern/kern_timeout.c:749 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 #6 acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 #7 sched_idle+0x41e sys/kern/kern_sched.c:183 #8 proc_trampoline+0x10 Process 32505 (idle0) thread 0xffff80002a0fbd48 (72691) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d95fd0) #0 witness_lock+0x447 #1 softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 #2 Xsoftclock+0x27 #3 acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 #4 sched_idle+0x41e sys/kern/kern_sched.c:183 #5 proc_trampoline+0x10 shared mutex timeout r = 0 (0xffffffff82d38ad0) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:662 #2 softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:696 #3 softclock+0x150 sys/kern/kern_timeout.c:749 #4 softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 #5 Xsoftclock+0x27 #6 acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 #7 sched_idle+0x41e sys/kern/kern_sched.c:183 #8 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10200 6507K 7085K 166960K 27754 0 pcb 15 22K 27K 166960K 2654 0 rtable 251 15K 16K 166960K 5690 0 pf 37 10K 11K 166960K 666 0 ifaddr 48 19K 21K 166960K 590 0 ifgroup 64 2K 3K 166960K 1112 0 sysctl 4 1K 2K 166960K 17 0 counters 68 36K 37K 166960K 650 0 ioctlops 0 0K 4K 166960K 4943 0 iov 0 0K 36K 166960K 3536 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1827 114K 115K 166960K 9894 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 401 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 4215 0 dirhash 12 2K 2K 166960K 216 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 12 41K 93K 166960K 34788 0 sigio 0 0K 0K 166960K 1212 0 proc 68 67K 128K 166960K 4327 0 subproc 104 6K 10K 166960K 1352 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 2195 0 in_multi 100 7K 7K 166960K 1293 0 ether_multi 1 0K 0K 166960K 55 0 mrt 1 0K 0K 166960K 28 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 5759 0 pfkey data 0 0K 0K 166960K 96 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 512 681K 697K 166960K 330538 0 UVM aobj 130 9K 9K 166960K 137 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 1437 0 NDP 14 0K 2K 166960K 473 0 temp 82 6772K 7412K 166960K 277993 0 kqueue 6 10K 30K 166960K 2775 0 SYN cache 2 16K 16K 166960K 2 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 1677 0 1676 19 18 1 4 0 8 0 rtentry 112 1663 0 1549 4 0 4 4 0 8 0 unpcb 144 25816 0 25808 217 211 6 10 0 8 5 syncache 336 467 0 467 46 46 0 1 0 8 0 tcpqe 32 381 0 381 38 38 0 1 0 8 0 tcpcb 808 11095 0 11079 215 207 8 18 0 8 4 arp 120 430 0 410 1 0 1 1 0 8 0 inpcb 392 29044 0 29023 312 303 9 31 0 8 5 nd6 136 266 0 240 2 1 1 2 0 8 0 pkpcb 40 212 0 212 24 23 1 1 0 8 1 kcovpl 48 84 0 76 1 0 1 1 0 8 0 ppxss 1168 78 0 78 23 23 0 1 0 8 0 pffrag 232 232 0 228 3 2 1 1 0 482 0 pffrnode 88 232 0 228 3 2 1 1 0 8 0 pffrent 40 834 0 830 3 2 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 1093 0 1046 1 0 1 1 0 8 0 pfstkey 128 1095 0 1048 7 4 3 3 0 8 0 pfstate 376 1095 0 1048 27 20 7 10 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 2 0 1 2 1 1 2 0 8 0 art_heap4 256 4765 0 4255 56 23 33 34 0 8 0 art_table 32 4767 0 4256 6 1 5 5 0 8 0 art_node 16 1523 0 1419 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 4 1 0 1 1 0 8 0 semapl 112 4210 0 4200 1 0 1 1 0 8 0 shmpl 112 134 0 7 4 0 4 4 0 8 0 dirhash 1024 153 0 136 3 0 3 3 0 8 0 dino2pl 256 43330 0 41745 100 0 100 100 0 8 0 ffsino 272 43330 0 41745 106 0 106 106 0 8 0 nchpl 144 89648 0 88006 64 0 64 64 0 8 0 uvmvnodes 80 9118 0 0 187 0 187 187 0 8 0 vnodes 216 9118 0 0 507 0 507 507 0 8 0 namei 1024 328716 0 328716 16 15 1 2 0 8 1 percpumem 16 339 0 291 1 0 1 1 0 8 0 vcpupl 2048 184 0 1 23 0 23 23 0 8 0 vmpool 696 379 0 196 17 0 17 17 0 8 0 kstatmem 264 610 0 582 9 6 3 3 0 8 0 scxspl 216 299372 0 299372 58 57 1 8 1 8 1 plimitpl 152 3990 0 3975 1 0 1 1 0 8 0 sigapl 424 34992 0 34930 21 12 9 9 0 8 0 futexpl 64 281343 0 281342 4 3 1 1 0 8 0 knotepl 120 1070 0 0 12 1 11 11 0 8 0 kqueuepl 216 6871 0 6865 98 97 1 6 0 8 0 pipepl 320 5288 0 5260 117 109 8 8 0 8 5 fdescpl 496 34948 0 34926 28 24 4 5 0 8 0 filepl 152 207724 0 207499 243 226 17 20 0 8 5 lockfpl 104 7968 0 7967 15 14 1 2 0 8 0 lockfspl 48 2189 0 2188 1 0 1 1 0 8 0 sessionpl 144 104 0 88 1 0 1 1 0 8 0 pgrppl 48 768 0 752 1 0 1 1 0 8 0 ucredpl 104 35816 0 35804 1 0 1 1 0 8 0 zombiepl 144 34930 0 34930 6 5 1 1 0 8 1 processpl 1136 34992 0 34930 7 1 6 6 0 8 0 procpl 680 90798 0 90718 18 9 9 10 0 8 0 srpgc 96 97 0 97 30 30 0 1 0 8 0 sosppl 168 463 0 463 20 20 0 1 0 8 0 sockpl 584 56800 0 56774 373 361 12 23 0 8 8 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 18 0 0 3 0 3 3 0 8 0 mcl12k 12288 30 0 0 2 0 2 2 0 8 0 mcl9k 9216 13 0 0 1 0 1 1 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 61 0 0 4 1 3 3 0 8 0 mcl2k2 2112 11 0 0 1 0 1 1 0 8 0 mcl2k 2048 502 0 0 32 17 15 32 0 8 0 mtagpl 96 394 0 0 8 2 6 8 0 8 0 mbufpl 256 10584 0 0 610 0 610 610 0 8 0 bufpl 280 58505 0 49883 652 2 650 652 0 8 0 anonpl 24 3331576 0 3317935 312 193 119 163 0 186 0 amapchunkpl 152 1051076 0 1050293 215 169 46 69 0 158 0 amappl16 200 65246 0 64744 231 198 33 40 0 8 0 amappl15 192 28 0 28 6 6 0 1 0 8 0 amappl14 184 445 0 431 4 3 1 2 0 8 0 amappl13 176 23 0 23 8 8 0 1 0 8 0 amappl12 168 36856 0 36821 6 4 2 3 0 8 0 amappl11 160 63 0 54 1 0 1 1 0 8 0 amappl10 152 185 0 167 1 0 1 1 0 8 0 amappl9 144 422 0 422 29 28 1 1 0 8 1 amappl8 136 1635 0 1428 8 0 8 8 0 8 0 amappl7 128 492 0 468 2 0 2 2 0 8 0 amappl6 120 1747 0 1716 6 4 2 2 0 8 1 amappl5 112 709 0 701 1 0 1 1 0 8 0 amappl4 104 1485 0 1442 2 0 2 2 0 8 0 amappl3 96 204970 0 204906 5 2 3 4 0 8 0 amappl2 88 36866 0 36797 6 3 3 4 0 8 0 amappl1 80 135601 0 135149 23 10 13 23 0 8 0 amappl 88 328490 0 328248 9 1 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 72 136 0 7 3 0 3 3 0 8 0 uaddrrnd 24 35327 0 35122 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 35327 0 35122 2 0 2 2 0 8 0 vmmpekpl 168 233397 0 233292 5 0 5 5 0 8 0 vmmpepl 168 2043801 0 2041437 518 371 147 167 0 357 1 vmsppl 448 35326 0 35122 29 5 24 24 0 8 0 rwobjpl 56 475109 0 464206 197 40 157 160 0 8 0 pdppl 4096 70661 0 70427 948 702 246 246 0 8 12 pvpl 32 45804 0 0 370 0 370 370 0 265 0 pmappl 248 35326 0 35122 15 1 14 14 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2616 0 1412 36 1 35 35 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace 0(0,0,0,ffffffff82d0eff0,0,ffffffffffffffff) at 0 timeout_run(fffffd8071597f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd8071597f00,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:696 softclock(0) at softclock+0x150 sys/kern/kern_timeout.c:749 softintr_dispatch(0) at softintr_dispatch+0xfb sys/arch/amd64/amd64/softintr.c:90 Xsoftclock() at Xsoftclock+0x27 acpicpu_idle() at acpicpu_idle+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffffffff82d0eff0) at sched_idle+0x41e 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+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41e 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+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41e sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5