kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND 0(0,0,0,ffffffff82b8dff0,0,0) at 0 timeout_run(fffffd80667a4f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd80667a4f00,0) 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(ffffffff82b8dff0) 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,ffffffff82b8dff0,0,0) at 0 timeout_run(fffffd80667a4f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd80667a4f00,0) 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(ffffffff82b8dff0) 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 0xffff80002a152530 rbx 0 rdx 0 rcx 0xffff80002a14ca90 rax 0x9 r8 0 r9 0 r10 0x831b0147e6347c4b r11 0 r12 0 r13 0xffffffff82b84b70 timeout_spinlock_obj r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a1524e8 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=258005 pid=48953 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xf3b98b101282096e, list=0xffff80002a14cd38,0xffff80002a14c2a8 process=0xffff8000ffffee10 user=0xffff80002a14d000, vmspace=0xffffffff82cac700 estcpu=0, cpticks=36302, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 97494 321178 57443 0 3 0x80 fsleep syz-executor.3 97494 4481 57443 0 3 0x4000080 pipewr syz-executor.3 97494 325481 57443 0 3 0x4000080 fsleep syz-executor.3 57443 43209 90612 0 3 0x82 nanoslp syz-executor.3 95221 275487 90612 0 3 0x82 piperd syz-executor.2 54543 343081 90612 0 3 0x82 piperd syz-executor.7 27494 248528 0 0 3 0x14200 acct acct 28677 499278 90612 0 3 0x82 piperd syz-executor.1 29433 380439 90612 0 3 0x82 piperd syz-executor.0 24806 437255 90612 0 3 0x82 piperd syz-executor.5 44438 505663 90612 0 3 0x82 piperd syz-executor.6 44628 32075 0 0 3 0x14200 bored sosplice 71585 175961 90612 0 3 0x82 piperd syz-executor.4 90612 27894 58513 0 3 0x2000082 wait syz-fuzzer 90612 370220 58513 0 3 0x6000082 thrsleep syz-fuzzer 90612 327271 58513 0 3 0x6000082 thrsleep syz-fuzzer 90612 207360 58513 0 3 0x6000082 thrsleep syz-fuzzer 90612 404470 58513 0 3 0x6000082 thrsleep syz-fuzzer 90612 303168 58513 0 3 0x6000082 wait syz-fuzzer 90612 438760 58513 0 3 0x6000082 wait syz-fuzzer 90612 227332 58513 0 3 0x6000082 kqread syz-fuzzer 90612 87623 58513 0 3 0x6000082 thrsleep syz-fuzzer 90612 204867 58513 0 3 0x6000082 thrsleep syz-fuzzer 90612 456221 58513 0 3 0x6000082 wait syz-fuzzer 90612 439470 58513 0 3 0x6000082 thrsleep syz-fuzzer 90612 239053 58513 0 3 0x6000082 wait syz-fuzzer 90612 308517 58513 0 3 0x6000082 wait syz-fuzzer 90612 362758 58513 0 3 0x6000082 wait syz-fuzzer 90612 352723 58513 0 3 0x6000082 wait syz-fuzzer 58513 469976 59889 0 3 0x10008a sigsusp ksh 59889 19657 1565 0 3 0x9a kqread sshd 97127 134531 1 0 3 0x100083 ttyin getty 1565 285974 1 0 3 0x88 kqread sshd 22513 170616 62922 74 3 0x1100092 bpf pflogd 62922 401428 1 0 3 0x80 netio pflogd 97448 155987 72564 73 3 0x1100090 kqread syslogd 72564 382142 1 0 3 0x100082 netio syslogd 93141 336939 1 0 3 0x100080 kqread resolvd 45970 86941 79177 77 3 0x100092 kqread dhcpleased 5632 230572 79177 77 3 0x100092 kqread dhcpleased 79177 118605 1 0 3 0x80 kqread dhcpleased 95053 516567 0 0 3 0x14200 bored smr 13004 454642 0 0 3 0x14200 pgzero zerothread 32040 439751 0 0 3 0x14200 aiodoned aiodoned 55319 28650 0 0 3 0x14200 syncer update 2470 287829 0 0 3 0x14200 cleaner cleaner 97632 479726 0 0 3 0x14200 reaper reaper 42312 209830 0 0 3 0x14200 pgdaemon pagedaemon 40378 287974 0 0 3 0x14200 bored viomb 56976 85150 0 0 3 0x40014200 acpi0 acpi0 12212 272601 0 0 7 0x40014200 idle1 75218 285440 0 0 3 0x14200 bored softnet3 60444 229436 0 0 3 0x14200 bored softnet2 68733 46144 0 0 3 0x14200 bored softnet1 14985 24614 0 0 3 0x14200 bored softnet0 20952 439016 0 0 3 0x14200 bored systqmp 19946 364381 0 0 3 0x14200 bored systq 80061 220966 0 0 3 0x14200 tmoslp softclockmp 746 368007 0 0 3 0x40014200 tmoslp softclock *48953 258005 0 0 7 0x40014200 idle0 1 477375 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 (0xffffffff82b84b70) #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 48953 (idle0) thread 0xffff80002a14ca90 (258005) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10204 6493K 7564K 166960K 20506 0 pcb 13 16K 18K 166960K 654 0 rtable 185 14K 16K 166960K 1022 0 pf 30 9K 10K 166960K 246 0 ifaddr 35 14K 17K 166960K 172 0 ifgroup 51 2K 2K 166960K 390 0 sysctl 4 1K 1K 166960K 6 0 counters 62 36K 36K 166960K 224 0 ioctlops 0 0K 4K 166960K 1774 0 iov 0 0K 32K 166960K 958 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1465 92K 92K 166960K 4799 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 129 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1241 0 dirhash 12 2K 2K 166960K 69 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 11 37K 93K 166960K 8638 0 sigio 0 0K 0K 166960K 2595 0 proc 73 91K 115K 166960K 1301 0 subproc 104 6K 6K 166960K 294 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 487 0 in_multi 66 4K 7K 166960K 377 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 1414 0 tdb 3 0K 0K 166960K 3 0 pagedep 1 8K 8K 166960K 1 0 inodedep 1 32K 32K 166960K 1 0 newblk 1 0K 0K 166960K 1 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 443 361K 377K 166960K 85823 0 UVM aobj 131 4K 6K 166960K 143 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 181 0 NDP 11 0K 2K 166960K 134 0 temp 74 5928K 6560K 166960K 60933 0 kqueue 12 18K 27K 166960K 637 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 120 523 0 520 5 4 1 3 0 8 0 rtentry 112 340 0 259 4 0 4 4 0 8 0 unpcb 144 4999 0 4982 61 60 1 6 0 8 0 syncache 312 116 0 116 19 19 0 1 0 8 0 tcpqe 32 564 0 564 17 17 0 1 0 8 0 tcpcb 808 2309 0 2290 100 92 8 15 0 8 5 arp 120 74 0 59 1 0 1 1 0 8 0 inpcb 368 5765 0 5742 111 103 8 14 0 8 4 nd6 136 69 0 53 1 0 1 1 0 8 0 pkpcb 40 18 0 18 3 3 0 1 0 8 0 kcovpl 48 21 0 13 1 0 1 1 0 8 0 ppxss 1256 14 0 14 7 7 0 1 0 8 0 pffrag 232 25 0 25 4 4 0 1 0 482 0 pffrnode 88 25 0 25 4 4 0 1 0 8 0 pffrent 40 140 0 140 4 4 0 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 24 281 0 272 1 0 1 1 0 8 0 pfstkey 128 281 0 272 2 1 1 2 0 8 0 pfstate 376 281 0 272 10 7 3 5 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 1184 0 830 40 15 25 31 0 8 0 art_table 32 1185 0 830 4 0 4 4 0 8 0 art_node 16 332 0 258 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 3 1 1 0 1 0 8 0 semupl 112 3 0 3 1 1 0 1 0 8 0 semapl 112 1239 0 1229 1 0 1 1 0 8 0 shmpl 112 140 0 12 4 0 4 4 0 8 0 dirhash 1024 55 0 38 3 0 3 3 0 8 0 dino2pl 256 12631 0 11161 93 0 93 93 0 8 0 ffsino 272 12631 0 11161 99 0 99 99 0 8 0 nchpl 144 24189 0 22537 64 0 64 64 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 79410 0 79410 8 7 1 2 0 8 1 percpumem 16 126 0 81 1 0 1 1 0 8 0 vcpupl 2048 102 0 0 13 0 13 13 0 8 0 vmpool 696 115 0 13 11 1 10 10 0 8 0 kstatmem 264 184 0 162 2 0 2 2 0 8 0 scxspl 216 69525 0 69525 21 20 1 8 1 8 1 plimitpl 152 1145 0 1129 1 0 1 1 0 8 0 sigapl 424 8966 0 8922 9 3 6 8 0 8 0 futexpl 64 77478 0 77476 4 3 1 1 0 8 0 knotepl 120 709 0 0 11 0 11 11 0 8 0 kqueuepl 216 1717 0 1709 43 42 1 8 0 8 0 pipepl 320 11077 0 11048 173 166 7 16 0 8 4 fdescpl 496 8922 0 8898 5 1 4 5 0 8 0 filepl 152 67337 0 67093 184 167 17 23 0 8 7 lockfpl 104 2481 0 2479 5 4 1 2 0 8 0 lockfspl 48 904 0 902 1 0 1 1 0 8 0 sessionpl 144 37 0 20 1 0 1 1 0 8 0 pgrppl 48 501 0 484 1 0 1 1 0 8 0 ucredpl 104 6315 0 6302 1 0 1 1 0 8 0 zombiepl 144 8922 0 8922 4 3 1 1 0 8 1 processpl 1072 8966 0 8922 5 0 5 5 0 8 0 procpl 680 23820 0 23759 23 16 7 9 0 8 0 srpgc 96 24 0 24 9 9 0 1 0 8 0 sosppl 168 121 0 121 18 18 0 1 0 8 0 sockpl 488 11322 0 11280 259 246 13 23 0 8 5 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 26 0 0 4 2 2 3 0 8 0 mcl12k 12288 20 0 0 2 0 2 2 0 8 0 mcl9k 9216 12 0 0 1 0 1 1 0 8 0 mcl8k 8192 20 0 0 3 0 3 3 0 8 0 mcl4k 4096 33 0 0 3 0 3 3 0 8 0 mcl2k2 2112 8 0 0 1 0 1 1 0 8 0 mcl2k 2048 425 0 0 34 10 24 34 0 8 3 mtagpl 96 687 0 0 15 0 15 15 0 8 0 mbufpl 256 1847 0 0 80 0 80 80 0 8 0 bufpl 288 16539 0 10212 454 1 453 453 0 8 0 anonpl 24 945455 0 931684 210 115 95 112 0 186 0 amapchunkpl 152 270517 0 269728 92 53 39 43 0 158 1 amappl16 200 20377 0 19954 137 114 23 36 0 8 0 amappl15 192 14 0 14 2 2 0 1 0 8 0 amappl14 184 210 0 193 2 1 1 2 0 8 0 amappl13 176 25 0 22 1 0 1 1 0 8 0 amappl12 168 9814 0 9786 4 2 2 3 0 8 0 amappl11 160 83 0 67 1 0 1 1 0 8 0 amappl10 152 73 0 61 1 0 1 1 0 8 0 amappl9 144 235 0 234 1 0 1 1 0 8 0 amappl8 136 533 0 401 5 0 5 5 0 8 0 amappl7 128 234 0 205 2 0 2 2 0 8 0 amappl6 120 553 0 535 1 0 1 1 0 8 0 amappl5 112 287 0 276 1 0 1 1 0 8 0 amappl4 104 643 0 612 2 1 1 2 0 8 0 amappl3 96 53069 0 53001 4 1 3 3 0 8 0 amappl2 88 9738 0 9665 3 1 2 3 0 8 0 amappl1 80 40594 0 40047 23 9 14 23 0 8 0 amappl 88 84876 0 84644 7 0 7 7 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 72 142 0 12 3 0 3 3 0 8 0 uaddrrnd 24 9038 0 8912 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9038 0 8912 1 0 1 1 0 8 0 vmmpekpl 168 106348 0 106283 4 0 4 4 0 8 0 vmmpepl 168 539683 0 537390 311 192 119 135 0 357 0 vmsppl 464 9037 0 8912 19 2 17 17 0 8 0 rwobjpl 56 137858 0 130208 122 10 112 113 0 8 0 pdppl 4096 18084 0 17926 767 595 172 172 0 8 14 pvpl 32 45375 0 0 367 1 366 366 0 265 0 pmappl 248 9037 0 8912 11 2 9 9 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1868 0 869 29 0 29 29 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace 0(0,0,0,ffffffff82b8dff0,0,0) at 0 timeout_run(fffffd80667a4f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd80667a4f00,0) 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(ffffffff82b8dff0) 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(ffff800029d3bff0) 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(ffff800029d3bff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029d3bff0) 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(ffff800029d3bff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5