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(fffffd806b681f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806b681f00,0) 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(fffffd806b681f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806b681f00,0) 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 0xffff80002a101ec0 rbx 0 rdx 0 rcx 0xffff80002a0fca90 rax 0x9 r8 0xde r9 0xde r10 0x39be5c01463c1b47 r11 0 r12 0 r13 0xffffffff82cbd2a0 timeout_spinlock_obj r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a101e78 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=476043 pid=78017 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0x5c0312d312ae7358, list=0xffff80002a0fcd38,0xffff80002a0fc7f8 process=0xffff8000ffffe7f0 user=0xffff80002a0fd000, vmspace=0xffffffff82d63498 estcpu=0, cpticks=42825, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 20218 276290 52830 0 3 0x1000080 nanoslp syz-executor.2 20218 357867 52830 0 3 0x5000080 netio syz-executor.2 20218 222514 52830 0 3 0x5000080 fsleep syz-executor.2 28928 243757 22456 0 3 0x80 fsleep syz-executor.5 28928 85730 22456 0 3 0x4000080 fsleep syz-executor.5 28928 219412 22456 0 3 0x4000080 lockf syz-executor.5 92045 305240 71573 0 2 0x482 syz-executor.1 52830 316238 71573 0 3 0x82 nanoslp syz-executor.2 97750 279785 1 0 3 0x18100083 ttyin getty 64121 207437 71573 0 3 0x82 piperd syz-executor.0 30672 214714 71573 0 3 0x82 piperd syz-executor.3 643 57115 0 0 3 0x14200 acct acct 22456 491179 71573 0 2 0x482 syz-executor.5 21517 426000 71573 0 3 0x82 piperd syz-executor.4 20808 375616 71573 0 3 0x82 piperd syz-executor.7 52479 226327 71573 0 3 0x82 piperd syz-executor.6 1974 474537 0 0 3 0x14200 bored sosplice 71573 34318 52539 0 3 0x1a000082 wait syz-fuzzer 71573 161535 52539 0 3 0x1e000082 thrsleep syz-fuzzer 71573 333121 52539 0 3 0x1e000082 wait syz-fuzzer 71573 158054 52539 0 3 0x1e000082 thrsleep syz-fuzzer 71573 467584 52539 0 3 0x1e000082 wait syz-fuzzer 71573 447780 52539 0 3 0x1e000082 wait syz-fuzzer 71573 184684 52539 0 3 0x1e000082 thrsleep syz-fuzzer 71573 223097 52539 0 3 0x1e000082 wait syz-fuzzer 71573 251514 52539 0 3 0x1e000082 thrsleep syz-fuzzer 71573 409895 52539 0 3 0x1e000082 thrsleep syz-fuzzer 71573 419448 52539 0 3 0x1e000082 thrsleep syz-fuzzer 71573 436959 52539 0 3 0x1e000082 wait syz-fuzzer 71573 268332 52539 0 3 0x1e000082 thrsleep syz-fuzzer 71573 454769 52539 0 3 0x1e000082 wait syz-fuzzer 71573 227589 52539 0 3 0x1e000082 wait syz-fuzzer 71573 418321 52539 0 3 0x1e000082 kqread syz-fuzzer 71573 321388 52539 0 3 0x1e000082 thrsleep syz-fuzzer 52539 387494 89153 0 3 0x810008a sigsusp ksh 89153 143032 89714 0 3 0x1800009a kqread sshd 89714 233612 1 0 3 0x18000088 kqread sshd 82240 421409 82734 74 3 0x19100092 bpf pflogd 82734 250611 1 0 3 0x18000080 netio pflogd 71951 264182 36008 73 3 0x19100090 kqread syslogd 36008 370521 1 0 3 0x18100082 netio syslogd 12820 281913 1 0 3 0x18100080 kqread resolvd 3799 53498 96658 77 3 0x18100092 kqread dhcpleased 40639 242530 96658 77 3 0x18100092 kqread dhcpleased 96658 106210 1 0 3 0x18000080 kqread dhcpleased 67940 214110 0 0 3 0x14200 bored smr 71314 103298 0 0 3 0x14200 pgzero zerothread 45352 329364 0 0 3 0x14200 aiodoned aiodoned 36218 228012 0 0 2 0x14600 update 31423 142287 0 0 3 0x14200 cleaner cleaner 92669 192149 0 0 3 0x14200 reaper reaper 65634 241412 0 0 3 0x14200 pgdaemon pagedaemon 449 376033 0 0 3 0x14200 bored viomb 15060 26714 0 0 3 0x40014200 acpi0 acpi0 12587 411540 0 0 7 0x40014200 idle1 34806 387508 0 0 3 0x14200 bored softnet3 54479 297916 0 0 3 0x14200 bored softnet2 43826 457285 0 0 3 0x14200 bored softnet1 48105 415496 0 0 3 0x14200 bored softnet0 45292 122943 0 0 3 0x14200 bored systqmp 87553 281359 0 0 3 0x14200 bored systq 92140 334698 0 0 3 0x14200 tmoslp softclockmp 2267 244935 0 0 3 0x40014200 tmoslp softclock *78017 476043 0 0 7 0x40014200 idle0 1 194065 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 78017 (idle0) thread 0xffff80002a0fca90 (476043) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d60cf8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #1 softintr_dispatch+0x52 sys/arch/amd64/amd64/softintr.c:88 #2 Xsoftclock+0x27 #3 acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 #4 sched_idle+0x41d sys/kern/kern_sched.c:183 #5 proc_trampoline+0x10 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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10216 6499K 8141K 166960K 33220 0 pcb 16 20K 22K 166960K 1636 0 rtable 207 6K 8K 166960K 3854 0 pf 32 9K 10K 166960K 345 0 ifaddr 46 17K 18K 166960K 317 0 ifgroup 55 2K 2K 166960K 511 0 sysctl 4 1K 1K 166960K 7 0 counters 64 36K 36K 166960K 344 0 ioctlops 0 0K 4K 166960K 2223 0 iov 0 0K 32K 166960K 1594 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1605 101K 101K 166960K 8548 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 160 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1954 0 dirhash 12 2K 2K 166960K 108 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 13 45K 89K 166960K 14080 0 sigio 0 0K 0K 166960K 485 0 proc 70 91K 128K 166960K 2084 0 subproc 104 6K 7K 166960K 634 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 767 0 in_multi 78 5K 7K 166960K 653 0 ether_multi 1 0K 0K 166960K 24 0 mrt 1 0K 0K 166960K 13 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 217 970K 970K 166960K 217 0 exec 0 0K 1K 166960K 2091 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 532 617K 618K 166960K 134169 0 UVM aobj 131 5K 5K 166960K 131 0 pinsyscall 26 52K 108K 166960K 2428 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 473 0 NDP 12 0K 1K 166960K 241 0 temp 74 6812K 6944K 166960K 105666 0 kqueue 12 18K 28K 166960K 1094 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 1080 0 1077 16 15 1 3 0 8 0 rtentry 112 1264 0 1171 4 1 3 4 0 8 0 unpcb 144 10616 0 10535 121 117 4 8 0 8 0 syncache 336 55 0 55 15 14 1 1 0 8 1 tcpqe 32 554 0 554 12 11 1 1 0 8 1 tcpcb 808 3182 0 3171 128 113 15 15 0 8 13 arp 120 285 0 270 1 0 1 1 0 8 0 inpcb 392 10299 0 10284 232 218 14 22 0 8 12 nd6 136 146 0 127 2 1 1 2 0 8 0 pkpcb 40 134 0 134 11 11 0 1 0 8 0 kcovpl 48 42 0 34 1 0 1 1 0 8 0 ppxss 1168 63 0 63 15 15 0 1 0 8 0 pffrag 232 140 0 138 4 3 1 1 0 482 0 pffrnode 88 138 0 136 4 3 1 1 0 8 0 pffrent 40 504 0 502 4 3 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 24 478 0 466 1 0 1 1 0 8 0 pfstkey 128 480 0 468 3 2 1 2 0 8 0 pfstate 376 480 0 468 12 9 3 6 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 8 0 6 4 2 2 3 0 8 0 art_heap4 256 3964 0 3563 43 17 26 33 0 8 0 art_table 32 3972 0 3569 6 2 4 5 0 8 0 art_node 16 1246 0 1162 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 8 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 1952 0 1942 1 0 1 1 0 8 0 shmpl 112 128 0 0 4 0 4 4 0 8 0 dirhash 1024 81 0 64 3 0 3 3 0 8 0 dino2pl 256 19746 0 18183 99 0 99 99 0 8 0 ffsino 272 19746 0 18183 105 0 105 105 0 8 0 nchpl 144 38622 0 36892 67 0 67 67 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 130308 0 130308 9 8 1 2 0 8 1 percpumem 16 186 0 140 1 0 1 1 0 8 0 vcpupl 2048 128 0 1 16 0 16 16 0 8 0 vmpool 696 264 0 137 15 3 12 12 0 8 0 kstatmem 264 304 0 280 2 0 2 2 0 8 0 scxspl 216 119537 0 119537 27 26 1 8 1 8 1 plimitpl 152 2194 0 2178 1 0 1 1 0 8 0 sigapl 424 14360 0 14314 13 6 7 9 0 8 0 futexpl 64 120754 0 120751 3 2 1 1 0 8 0 knotepl 120 713 0 0 11 0 11 11 0 8 0 kqueuepl 216 2513 0 2505 43 42 1 5 0 8 0 pipepl 320 2335 0 2307 62 59 3 9 0 8 0 fdescpl 496 14318 0 14292 6 1 5 5 0 8 0 filepl 152 81825 0 81511 141 125 16 19 0 8 3 lockfpl 104 3935 0 3931 5 4 1 2 0 8 0 lockfspl 48 1302 0 1299 1 0 1 1 0 8 0 sessionpl 144 59 0 42 1 0 1 1 0 8 0 pgrppl 48 147 0 130 1 0 1 1 0 8 0 ucredpl 104 10790 0 10775 1 0 1 1 0 8 0 zombiepl 144 14315 0 14314 2 1 1 1 0 8 0 processpl 1136 14360 0 14314 7 2 5 6 0 8 0 procpl 680 36258 0 36192 14 6 8 10 0 8 0 srpgc 96 54 0 54 20 20 0 1 0 8 0 sosppl 168 158 0 158 8 8 0 1 0 8 0 sockpl 584 22180 0 22081 276 265 11 18 0 8 3 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 0 8 0 mcl12k 12288 20 0 0 2 0 2 2 0 8 0 mcl9k 9216 7 0 0 1 0 1 1 0 8 0 mcl8k 8192 14 0 0 2 0 2 2 0 8 0 mcl4k 4096 33 0 0 5 2 3 4 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 372 0 0 32 10 22 32 0 8 0 mtagpl 96 541 0 0 9 2 7 9 0 8 0 mbufpl 256 1777 0 0 69 0 69 69 0 8 0 bufpl 280 27115 0 20853 448 0 448 448 0 8 0 anonpl 24 1380853 0 1365408 229 121 108 173 0 186 0 amapchunkpl 152 425605 0 424690 101 58 43 70 0 158 2 amappl16 200 24134 0 23592 74 41 33 42 0 8 0 amappl15 192 63 0 62 1 0 1 1 0 8 0 amappl14 184 294 0 279 2 1 1 2 0 8 0 amappl13 176 18 0 18 3 3 0 1 0 8 0 amappl12 168 15494 0 15465 5 3 2 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 92 0 79 1 0 1 1 0 8 0 amappl9 144 291 0 291 20 20 0 1 0 8 0 amappl8 136 664 0 521 7 1 6 6 0 8 0 amappl7 128 161 0 141 1 0 1 1 0 8 0 amappl6 120 883 0 856 2 1 1 2 0 8 0 amappl5 112 551 0 536 1 0 1 1 0 8 0 amappl4 104 1168 0 1119 2 0 2 2 0 8 0 amappl3 96 83279 0 83198 4 1 3 3 0 8 0 amappl2 88 15324 0 15249 4 2 2 4 0 8 0 amappl1 80 61058 0 60514 23 11 12 23 0 8 0 amappl 88 132932 0 132653 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 14582 0 14429 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14582 0 14429 1 0 1 1 0 8 0 vmmpekpl 168 96704 0 96617 6 1 5 5 0 8 0 vmmpepl 168 848506 0 845935 496 361 135 155 0 357 0 vmsppl 448 14581 0 14429 21 3 18 18 0 8 0 rwobjpl 56 199741 0 191909 128 16 112 114 0 8 0 pdppl 4096 29171 0 28985 904 710 194 196 0 8 8 pvpl 32 45491 0 0 367 0 367 367 0 265 0 pmappl 248 14581 0 14429 10 0 10 10 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1768 0 1167 18 0 18 18 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(fffffd806b681f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806b681f00,0) 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