kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND 0(0,0,0,ffffffff82c9fff0,0,0) at 0 timeout_run(fffffd8066b7fe78) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd8066b7fe78,0) 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(ffffffff82c9fff0) 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,ffffffff82c9fff0,0,0) at 0 timeout_run(fffffd8066b7fe78) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd8066b7fe78,0) 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(ffffffff82c9fff0) 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 0xffff80002a101d40 rbx 0 rdx 0 rcx 0xffff80002a0fca90 rax 0x9 r8 0 r9 0 r10 0x4f900e93d1c0d43c r11 0 r12 0 r13 0xffffffff82d52420 timeout_spinlock_obj r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a101cf8 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=27044 pid=44259 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0x5d1a83ecdc152ef, list=0xffff80002a0fcd38,0xffff80002a0fc550 process=0xffff8000ffffec60 user=0xffff80002a0fd000, vmspace=0xffffffff82e35740 estcpu=0, cpticks=42970, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 1236 79427 11135 0 3 0x82 piperd syz-executor.5 85386 23393 11135 0 3 0x82 piperd syz-executor.3 39292 237381 11135 0 3 0x82 piperd syz-executor.2 76695 120834 11135 0 3 0x82 piperd syz-executor.7 71727 269482 11135 0 3 0x82 piperd syz-executor.6 5333 72032 11135 0 3 0x82 piperd syz-executor.1 8371 202246 0 0 3 0x14200 acct acct 32682 142465 11135 0 3 0x82 piperd syz-executor.0 43781 66457 11135 0 3 0x82 piperd syz-executor.4 46866 38925 1 0 3 0x100083 ttyin getty 89600 234351 0 0 3 0x14280 nfsidl nfsio 56906 117832 0 0 3 0x14280 nfsidl nfsio 58360 287156 0 0 3 0x14280 nfsidl nfsio 31308 181712 0 0 3 0x14280 nfsidl nfsio 38823 205989 0 0 3 0x14280 nfsidl nfsio 20443 386443 0 0 3 0x14200 bored sosplice 11135 71470 39461 0 3 0x2000082 thrsleep syz-fuzzer 11135 79877 39461 0 3 0x6000082 thrsleep syz-fuzzer 11135 396692 39461 0 3 0x6000082 thrsleep syz-fuzzer 11135 484607 39461 0 3 0x6000082 wait syz-fuzzer 11135 167972 39461 0 3 0x6000082 pipewr syz-fuzzer 11135 230929 39461 0 3 0x6000082 wait syz-fuzzer 11135 116670 39461 0 3 0x6000082 wait syz-fuzzer 11135 98353 39461 0 3 0x6000082 wait syz-fuzzer 11135 29087 39461 0 3 0x6000082 wait syz-fuzzer 11135 384945 39461 0 3 0x6000082 thrsleep syz-fuzzer 11135 453658 39461 0 3 0x6000082 thrsleep syz-fuzzer 11135 522356 39461 0 3 0x6000082 thrsleep syz-fuzzer 11135 482395 39461 0 3 0x6000082 wait syz-fuzzer 11135 21662 39461 0 3 0x6000082 kqread syz-fuzzer 11135 427352 39461 0 3 0x6000082 wait syz-fuzzer 11135 349672 39461 0 3 0x6000082 wait syz-fuzzer 39461 63058 9904 0 3 0x10008a sigsusp ksh 9904 62441 78377 0 3 0x9a kqread sshd 78377 29626 1 0 3 0x88 kqread sshd 16645 1690 16671 74 3 0x1100092 bpf pflogd 16671 25382 1 0 3 0x80 netio pflogd 79590 81533 51156 73 3 0x1100090 kqread syslogd 51156 62178 1 0 3 0x100082 netio syslogd 29307 167455 1 0 3 0x100080 kqread resolvd 21010 108809 29102 77 3 0x100092 kqread dhcpleased 49418 376860 29102 77 3 0x100092 kqread dhcpleased 29102 315779 1 0 3 0x80 kqread dhcpleased 23645 375384 0 0 3 0x14200 bored smr 7998 50943 0 0 3 0x14200 pgzero zerothread 73662 359315 0 0 3 0x14200 aiodoned aiodoned 18027 288419 0 0 3 0x14200 syncer update 17666 421077 0 0 3 0x14200 cleaner cleaner 39036 66582 0 0 3 0x14200 reaper reaper 86660 110575 0 0 3 0x14200 pgdaemon pagedaemon 8024 55955 0 0 3 0x14200 bored viomb 76951 278193 0 0 3 0x40014200 acpi0 acpi0 21747 131494 0 0 7 0x40014200 idle1 16564 271183 0 0 3 0x14200 bored softnet3 64217 172394 0 0 3 0x14200 bored softnet2 29966 121665 0 0 3 0x14200 bored softnet1 27588 166946 0 0 3 0x14200 bored softnet0 48202 174125 0 0 3 0x14200 bored systqmp 11592 330247 0 0 3 0x14200 bored systq 71935 202549 0 0 3 0x14200 tmoslp softclockmp 51516 69625 0 0 3 0x40014200 tmoslp softclock *44259 27044 0 0 7 0x40014200 idle0 1 46896 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 (0xffffffff82d52420) #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 44259 (idle0) thread 0xffff80002a0fca90 (27044) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d8aef0) #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 (0xffffffff82d52420) #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 10225 6517K 10853K 166960K 37316 0 pcb 15 20K 22K 166960K 1134 0 rtable 227 15K 15K 166960K 3288 0 pf 36 10K 11K 166960K 347 0 ifaddr 48 17K 18K 166960K 354 0 ifgroup 63 2K 2K 166960K 569 0 sysctl 3 0K 0K 166960K 3 0 counters 68 36K 37K 166960K 342 0 ioctlops 0 0K 4K 166960K 2233 0 iov 0 0K 34K 166960K 1642 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1468 92K 92K 166960K 9630 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 170 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 2125 0 dirhash 12 2K 2K 166960K 96 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 10 33K 85K 166960K 16095 0 sigio 0 0K 0K 166960K 781 0 proc 81 92K 128K 166960K 2693 0 subproc 104 6K 6K 166960K 728 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 801 0 in_multi 97 7K 7K 166960K 801 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 223 996K 996K 166960K 223 0 exec 0 0K 1K 166960K 2971 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 515 781K 782K 166960K 159070 0 UVM aobj 131 4K 4K 166960K 131 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 561 0 NDP 14 0K 2K 166960K 266 0 temp 74 6772K 6904K 166960K 142481 0 kqueue 12 18K 27K 166960K 1175 0 SYN cache 2 32K 40K 166960K 3 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 1187 0 1184 14 13 1 5 0 8 0 rtentry 112 1029 0 927 5 1 4 4 0 8 0 unpcb 144 12540 0 12525 128 127 1 11 0 8 0 syncache 336 178 0 178 24 24 0 1 0 8 0 tcpqe 32 257 0 257 22 22 0 1 0 8 0 tcpcb 808 5846 0 5837 120 118 2 15 0 8 0 arp 120 170 0 155 1 0 1 1 0 8 0 inpcb 392 12865 0 12853 192 189 3 19 0 8 0 nd6 136 178 0 153 1 0 1 1 0 8 0 pkpcb 40 96 0 96 10 10 0 1 0 8 0 kcovpl 48 56 0 48 1 0 1 1 0 8 0 ppxss 1168 34 0 34 11 11 0 1 0 8 0 pffrag 232 63 0 63 3 2 1 1 0 482 1 pffrnode 88 61 0 61 3 2 1 1 0 8 1 pffrent 40 347 0 347 4 3 1 1 0 8 1 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 24 449 0 445 1 0 1 1 0 8 0 pfstkey 128 449 0 445 2 0 2 2 0 8 0 pfstate 376 449 0 445 11 9 2 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 2 0 2 2 2 0 1 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 3435 0 2963 53 22 31 31 0 8 0 art_table 32 3437 0 2964 4 0 4 4 0 8 0 art_node 16 950 0 858 1 0 1 1 0 8 0 sysvmsgpl 40 47 0 7 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 2120 0 2110 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 73 0 56 3 0 3 3 0 8 0 dino2pl 256 21908 0 20409 95 0 95 95 0 8 0 ffsino 272 21908 0 20409 101 0 101 101 0 8 0 nchpl 144 43289 0 41647 63 0 63 63 0 8 0 uvmvnodes 80 6602 0 0 135 0 135 135 0 8 0 vnodes 216 6602 0 0 367 0 367 367 0 8 0 namei 1024 144559 0 144559 14 14 0 2 0 8 0 percpumem 16 185 0 137 1 0 1 1 0 8 0 vcpupl 2048 144 0 0 18 0 18 18 0 8 0 vmpool 696 178 0 34 14 0 14 14 0 8 0 kstatmem 264 302 0 274 5 3 2 3 0 8 0 scxspl 216 136204 0 136204 48 47 1 8 1 8 1 plimitpl 152 1890 0 1874 1 0 1 1 0 8 0 sigapl 424 16353 0 16305 12 3 9 9 0 8 0 futexpl 64 125373 0 125373 5 5 0 1 0 8 0 knotepl 120 720 0 0 11 0 11 11 0 8 0 kqueuepl 216 2886 0 2878 42 41 1 8 0 8 0 pipepl 320 2478 0 2450 68 65 3 8 0 8 0 fdescpl 496 16311 0 16288 18 14 4 5 0 8 0 filepl 152 92790 0 92551 176 166 10 27 0 8 0 lockfpl 104 5549 0 5547 10 9 1 2 0 8 0 lockfspl 48 2173 0 2171 1 0 1 1 0 8 0 sessionpl 144 76 0 59 1 0 1 1 0 8 0 pgrppl 48 602 0 585 1 0 1 1 0 8 0 ucredpl 104 11758 0 11734 1 0 1 1 0 8 0 zombiepl 144 16305 0 16305 4 4 0 1 0 8 0 processpl 1136 16353 0 16305 6 0 6 6 0 8 0 procpl 680 44665 0 44602 15 6 9 10 0 8 0 srpgc 96 62 0 62 20 20 0 1 0 8 0 sosppl 168 164 0 164 4 4 0 1 0 8 0 sockpl 584 26819 0 26789 240 236 4 22 0 8 0 mcl64k 65536 27 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 3 1 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 49 0 0 4 1 3 4 0 8 0 mcl2k2 2112 13 0 0 1 0 1 1 0 8 0 mcl2k 2048 679 0 0 66 29 37 66 0 8 0 mtagpl 96 773 0 0 15 0 15 15 0 8 0 mbufpl 256 2418 0 0 144 0 144 144 0 8 0 bufpl 280 29250 0 22647 472 0 472 472 0 8 0 anonpl 24 1632127 0 1617175 246 145 101 168 0 186 0 amapchunkpl 152 506893 0 506124 142 100 42 69 0 158 0 amappl16 200 26985 0 26471 52 22 30 39 0 8 0 amappl15 192 123 0 121 1 0 1 1 0 8 0 amappl14 184 344 0 322 3 1 2 2 0 8 0 amappl13 176 22 0 21 1 0 1 1 0 8 0 amappl12 168 17732 0 17700 3 1 2 2 0 8 0 amappl11 160 91 0 76 1 0 1 1 0 8 0 amappl10 152 106 0 91 1 0 1 1 0 8 0 amappl9 144 314 0 313 24 23 1 1 0 8 0 amappl8 136 924 0 752 6 0 6 6 0 8 0 amappl7 128 344 0 314 2 0 2 2 0 8 0 amappl6 120 1099 0 1078 1 0 1 1 0 8 0 amappl5 112 393 0 382 1 0 1 1 0 8 0 amappl4 104 948 0 918 2 1 1 2 0 8 0 amappl3 96 97781 0 97709 16 12 4 4 0 8 0 amappl2 88 17573 0 17494 3 1 2 3 0 8 0 amappl1 80 69229 0 68696 23 10 13 23 0 8 0 amappl 88 157623 0 157375 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 72 130 0 0 3 0 3 3 0 8 0 uaddrrnd 24 16490 0 16323 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 16490 0 16323 2 0 2 2 0 8 0 vmmpekpl 168 119150 0 119056 5 0 5 5 0 8 0 vmmpepl 168 980736 0 978317 470 332 138 155 0 357 0 vmsppl 448 16489 0 16323 21 1 20 20 0 8 0 rwobjpl 56 235127 0 226643 128 7 121 122 0 8 0 pdppl 4096 32987 0 32790 642 445 197 213 0 8 0 pvpl 32 45588 0 0 368 0 368 368 0 265 0 pmappl 248 16489 0 16323 11 0 11 11 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1585 0 910 22 1 21 21 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace 0(0,0,0,ffffffff82c9fff0,0,0) at 0 timeout_run(fffffd8066b7fe78) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd8066b7fe78,0) 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(ffffffff82c9fff0) 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