kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND 0(0,0,0,ffffffff82bddff0,c0,0) at 0 timeout_run(fffffd80733f5ce0) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd80733f5ce0,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:754 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(ffffffff82bddff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 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,ffffffff82bddff0,c0,0) at 0 timeout_run(fffffd80733f5ce0) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd80733f5ce0,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:754 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(ffffffff82bddff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -7 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002115f630 rbx 0 rdx 0 rcx 0xffff800021159a90 rax 0x9 r8 0xcb r9 0xcb r10 0xe94674da9c098961 r11 0 r12 0 r13 0xffffffff82c2e610 timeout_spinlock_obj r14 0x1004900 __kernel_phys_base+0x4900 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002115f5e8 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=319573 pid=41773 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0x8ce99fbc3f81489b, list=0xffff800021159d38,0xffff8000211597f8 process=0xffff8000fffff670 user=0xffff80002115a000, vmspace=0xffffffff82c622d8 estcpu=0, cpticks=54991, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 88794 495363 67729 0 2 0x480 syz-executor.1 88794 436836 67729 0 2 0x4000480 syz-executor.1 56850 439002 77741 0 3 0x80 nanoslp syz-executor.6 56850 327998 77741 0 3 0x4000080 netio syz-executor.6 56850 126242 77741 0 3 0x4000080 fsleep syz-executor.6 56850 453024 77741 0 3 0x4000080 fsleep syz-executor.6 92919 473790 93925 0 2 0x480 syz-executor.4 92919 325028 93925 0 3 0x4000080 netio syz-executor.4 92919 432460 93925 0 3 0x4000080 netio syz-executor.4 92919 190711 93925 0 3 0x4000080 fsleep syz-executor.4 78337 140231 1 0 3 0x100083 ttyin getty 67729 73004 11038 0 2 0x482 syz-executor.1 72835 231999 11038 0 3 0x82 piperd syz-executor.0 79421 18489 11038 0 3 0x82 piperd syz-executor.5 53248 384391 11038 0 3 0x82 piperd syz-executor.2 93925 333595 11038 0 3 0x82 nanoslp syz-executor.4 77741 138868 11038 0 3 0x82 nanoslp syz-executor.6 24196 418761 0 0 3 0x14200 acct acct 34396 157068 0 0 3 0x14200 bored sosplice 94489 195133 0 0 3 0x14280 nfsidl nfsio 16563 31036 0 0 3 0x14280 nfsidl nfsio 73978 329136 0 0 3 0x14280 nfsidl nfsio 3722 184427 0 0 3 0x14280 nfsidl nfsio 41051 23792 0 0 3 0x14280 nfsidl nfsio 12160 473738 0 0 3 0x14280 nfsidl nfsio 83257 82203 0 0 3 0x14280 nfsidl nfsio 23087 357399 0 0 3 0x14280 nfsidl nfsio 96668 73932 0 0 3 0x14280 nfsidl nfsio 78184 348477 0 0 3 0x14280 nfsidl nfsio 17143 165363 0 0 3 0x14280 nfsidl nfsio 46299 407896 0 0 3 0x14280 nfsidl nfsio 53192 29604 0 0 3 0x14280 nfsidl nfsio 85636 168189 0 0 3 0x14280 nfsidl nfsio 8354 326090 0 0 3 0x14280 nfsidl nfsio 60127 286701 0 0 3 0x14280 nfsidl nfsio 12521 82445 0 0 3 0x14280 nfsidl nfsio 6163 505891 0 0 3 0x14280 nfsidl nfsio 94362 74148 0 0 3 0x14280 nfsidl nfsio 30329 44088 0 0 3 0x14280 nfsidl nfsio 52572 146378 11038 0 3 0x82 piperd syz-executor.7 64235 393475 11038 0 3 0x82 piperd syz-executor.3 11038 460269 86102 0 3 0x2000082 kqread syz-fuzzer 11038 444415 86102 0 3 0x6000082 nanoslp syz-fuzzer 11038 201470 86102 0 3 0x6000082 wait syz-fuzzer 11038 54702 86102 0 3 0x6000082 thrsleep syz-fuzzer 11038 390494 86102 0 3 0x6000082 thrsleep syz-fuzzer 11038 231317 86102 0 3 0x6000082 wait syz-fuzzer 11038 272902 86102 0 3 0x6000082 wait syz-fuzzer 11038 300183 86102 0 3 0x6000082 wait syz-fuzzer 11038 267017 86102 0 3 0x6000082 wait syz-fuzzer 11038 300720 86102 0 3 0x6000082 thrsleep syz-fuzzer 11038 419595 86102 0 3 0x6000082 thrsleep syz-fuzzer 11038 406126 86102 0 3 0x6000082 wait syz-fuzzer 11038 262732 86102 0 3 0x6000082 thrsleep syz-fuzzer 11038 117745 86102 0 3 0x6000082 wait syz-fuzzer 11038 507081 86102 0 3 0x6000082 thrsleep syz-fuzzer 11038 26090 86102 0 3 0x6000082 wait syz-fuzzer 86102 173442 38996 0 3 0x10008a sigsusp ksh 38996 274983 27248 0 3 0x9a kqread sshd 27248 113592 1 0 3 0x88 kqread sshd 98036 313721 23884 74 3 0x1100092 bpf pflogd 23884 70779 1 0 3 0x80 netio pflogd 78776 301575 39508 73 3 0x1100090 kqread syslogd 39508 153122 1 0 3 0x100082 netio syslogd 38111 56837 1 0 3 0x100080 kqread resolvd 20960 440473 97123 77 3 0x100092 kqread dhcpleased 28789 568 97123 77 3 0x100092 kqread dhcpleased 97123 310253 1 0 3 0x80 kqread dhcpleased 30502 73463 0 0 3 0x14200 bored smr 87148 405793 0 0 3 0x14200 pgzero zerothread 61439 189867 0 0 3 0x14200 aiodoned aiodoned 1364 52723 0 0 3 0x14200 syncer update 90821 286844 0 0 3 0x14200 cleaner cleaner 7577 293293 0 0 3 0x14200 reaper reaper 28933 171853 0 0 3 0x14200 pgdaemon pagedaemon 51775 263524 0 0 3 0x14200 bored viomb 74366 347728 0 0 3 0x40014200 acpi0 acpi0 52537 484077 0 0 7 0x40014200 idle1 21079 200282 0 0 3 0x14200 bored softnet3 27648 109549 0 0 3 0x14200 bored softnet2 61200 426789 0 0 3 0x14200 bored softnet1 22186 332538 0 0 3 0x14200 bored softnet0 95736 523529 0 0 3 0x14200 bored systqmp 78091 93618 0 0 3 0x14200 bored systq 20810 312473 0 0 3 0x14200 tmoslp softclockmp 68281 149506 0 0 3 0x40014200 tmoslp softclock *41773 319573 0 0 7 0x40014200 idle0 1 64827 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: shared mutex timeout r = 0 (0xffffffff82c2e610) #0 witness_lock+0x447 #1 timeout_run+0xbb sys/kern/kern_timeout.c:661 #2 softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 #3 softclock+0x11a sys/kern/kern_timeout.c:754 #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:191 #8 proc_trampoline+0x10 Process 41773 (idle0) thread 0xffff800021159a90 (319573) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10224 6506K 7341K 78643K 25572 0 pcb 13 14K 16K 78643K 869 0 rtable 255 7K 8K 78643K 1103 0 pf 32 9K 10K 78643K 291 0 ifaddr 45 16K 17K 78643K 192 0 ifgroup 55 2K 2K 78643K 447 0 sysctl 3 0K 0K 78643K 7 0 counters 60 35K 36K 78643K 278 0 ioctlops 0 0K 4K 78643K 2237 0 iov 3 36K 108K 78643K 4289 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1505 94K 95K 78643K 6279 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 122 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 1032 0 dirhash 12 2K 2K 78643K 54 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 13 45K 93K 78643K 15367 0 sigio 0 0K 0K 78643K 551 0 proc 71 91K 128K 78643K 1419 0 subproc 104 6K 8K 78643K 285 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 671 0 in_multi 99 7K 7K 78643K 310 0 ether_multi 1 0K 0K 78643K 12 0 mrt 1 0K 0K 78643K 10 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 217 970K 970K 78643K 217 0 exec 0 0K 1K 78643K 2357 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 501 305K 308K 78643K 154010 0 UVM aobj 131 4K 6K 78643K 146 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 405 0 NDP 12 0K 1K 78643K 157 0 temp 74 5924K 6052K 78643K 98595 0 kqueue 13 20K 30K 78643K 1339 0 SYN cache 2 824K 832K 78643K 3 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 513 0 510 5 4 1 2 0 8 0 rtentry 112 267 0 148 4 0 4 4 0 8 0 unpcb 144 31058 0 31035 195 189 6 11 0 8 4 syncache 312 140 0 140 31 30 1 1 0 8 1 sackhl 24 3 7 3 1 1 0 1 0 8 0 tcpqe 32 636 1050 636 12 12 0 1 0 8 0 tcpcb 808 5862 0 5798 174 160 14 17 0 8 6 arp 120 41 0 22 1 0 1 1 0 8 0 ipq 40 4 0 4 1 1 0 1 0 8 0 ipqe 40 12 0 12 1 1 0 1 0 8 0 inpcb 368 10879 0 10809 189 176 13 16 0 8 5 nd6 136 73 0 41 3 1 2 2 0 8 0 pkpcb 40 31 0 31 7 7 0 1 0 8 0 kcovpl 48 18 0 10 1 0 1 1 0 8 0 ppxss 1256 37 0 37 10 10 0 1 0 8 0 pffrag 232 123 0 122 5 4 1 1 0 482 0 pffrnode 88 123 0 122 5 4 1 1 0 8 0 pffrent 40 516 0 515 6 5 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 24 416 0 410 1 0 1 1 0 8 0 pfstkey 128 416 0 410 2 0 2 2 0 8 0 pfstate 376 416 0 410 15 13 2 5 0 8 1 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 256 988 0 512 32 2 30 31 0 8 0 art_table 32 989 0 512 4 0 4 4 0 8 0 art_node 16 243 0 134 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 5 1 0 1 1 0 8 0 semapl 112 1030 0 1020 1 0 1 1 0 8 0 shmpl 112 143 0 15 4 0 4 4 0 8 0 dirhash 1024 45 0 28 3 0 3 3 0 8 0 dino2pl 256 20898 0 19403 94 0 94 94 0 8 0 ffsino 272 20898 0 19403 100 0 100 100 0 8 0 nchpl 144 42503 0 42004 64 41 23 64 0 8 0 uvmvnodes 80 24429 0 0 499 0 499 499 0 8 0 vnodes 216 24429 0 0 1358 0 1358 1358 0 8 0 namei 1024 136874 0 136874 10 9 1 2 0 8 1 percpumem 16 152 0 109 1 0 1 1 0 8 0 vcpupl 2048 150 0 0 19 0 19 19 0 8 0 vmpool 696 167 0 17 14 0 14 14 0 8 0 kstatmem 264 242 0 218 2 0 2 2 0 8 0 scxspl 216 131332 0 131332 31 29 2 8 1 8 2 plimitpl 152 2113 0 2097 1 0 1 1 0 8 0 sigapl 424 15694 0 15628 8 0 8 8 0 8 0 futexpl 64 128820 0 128817 7 6 1 1 0 8 0 knotepl 120 1401 0 0 25 0 25 25 0 8 0 kqueuepl 216 2549 0 2540 41 40 1 5 0 8 0 pipepl 320 3058 0 3030 97 94 3 9 0 8 0 fdescpl 496 15653 0 15627 5 1 4 5 0 8 0 filepl 152 103845 0 103597 240 224 16 25 0 8 4 lockfpl 104 4924 0 4922 9 8 1 2 0 8 0 lockfspl 48 1535 0 1533 1 0 1 1 0 8 0 sessionpl 144 44 0 27 1 0 1 1 0 8 0 pgrppl 48 411 0 394 1 0 1 1 0 8 0 ucredpl 104 9020 0 9001 1 0 1 1 0 8 0 zombiepl 144 15628 0 15628 1 0 1 1 0 8 1 processpl 1072 15694 0 15628 5 0 5 5 0 8 0 procpl 680 43765 0 43677 21 12 9 10 0 8 0 sosppl 168 196 0 185 11 10 1 1 0 8 0 sockpl 488 42498 0 42405 910 887 23 57 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 33 0 0 4 1 3 3 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 23 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 4 1 3 3 0 8 0 mcl4k 4096 34 0 0 3 0 3 3 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 432 0 0 37 13 24 37 0 8 0 mtagpl 96 1546 0 0 35 7 28 35 0 8 0 mbufpl 256 2649 0 0 130 0 130 130 0 8 0 bufpl 288 28362 0 22040 452 0 452 452 0 8 0 anonpl 24 1529763 0 1515387 257 144 113 119 0 186 0 amapchunkpl 152 485383 0 484494 130 85 45 49 0 158 4 amappl16 200 30794 0 30224 192 153 39 44 0 8 8 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 215 0 199 2 1 1 2 0 8 0 amappl13 176 22 0 22 4 4 0 1 0 8 0 amappl12 168 16485 0 16455 4 2 2 3 0 8 0 amappl11 160 69 0 53 1 0 1 1 0 8 0 amappl10 152 86 0 73 1 0 1 1 0 8 0 amappl9 144 350 0 350 22 21 1 1 0 8 1 amappl8 136 756 0 606 6 0 6 6 0 8 0 amappl7 128 294 0 267 2 0 2 2 0 8 0 amappl6 120 579 0 559 1 0 1 1 0 8 0 amappl5 112 508 0 497 1 0 1 1 0 8 0 amappl4 104 796 0 764 2 1 1 2 0 8 0 amappl3 96 95468 0 95379 6 3 3 4 0 8 0 amappl2 88 16851 0 16775 3 1 2 3 0 8 0 amappl1 80 63584 0 63037 23 10 13 23 0 8 0 amappl 88 152936 0 152680 11 3 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 72 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 15820 0 15644 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 15820 0 15644 2 0 2 2 0 8 0 vmmpekpl 168 117740 0 117654 5 0 5 5 0 8 0 vmmpepl 168 922165 0 919477 360 221 139 157 0 357 10 vmsppl 464 15819 0 15644 25 2 23 23 0 8 0 rwobjpl 56 247079 0 220738 382 9 373 373 0 8 0 pdppl 4096 31648 0 31438 789 569 220 221 0 8 10 pvpl 32 4264162 0 4244295 600 388 212 340 0 265 15 pmappl 248 15819 0 15644 13 1 12 12 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2109 0 985 33 0 33 33 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace 0(0,0,0,ffffffff82bddff0,c0,0) at 0 timeout_run(fffffd80733f5ce0) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd80733f5ce0,0) at softclock_process_kclock_timeout+0x1d7 sys/kern/kern_timeout.c:695 softclock(0) at softclock+0x11a sys/kern/kern_timeout.c:754 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(ffffffff82bddff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800020d48ff0) 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(ffff800020d48ff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800020d48ff0) 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(ffff800020d48ff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5