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(fffffd806c365bd0) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806c365bd0,0) 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(fffffd806c365bd0) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806c365bd0,0) 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 0xffff80002a102280 rbx 0 rdx 0 rcx 0xffff80002a0fbaa0 rax 0x9 r8 0 r9 0 r10 0xb2d45caf1575b02c r11 0 r12 0 r13 0xffffffff82cbd2a0 timeout_spinlock_obj r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a102238 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=254759 pid=57551 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0x57f65f9fabfc634e, list=0xffff80002a0fbff0,0xffff80002a0fb2b8 process=0xffff8000ffffec60 user=0xffff80002a0fd000, vmspace=0xffffffff82d63498 estcpu=0, cpticks=52993, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 77116 284388 3939 0 3 0x82 piperd syz-executor.0 58294 269009 3939 0 3 0x82 piperd syz-executor.6 44972 302033 3939 0 3 0x82 nanoslp syz-executor.2 80072 261279 3939 0 3 0x82 piperd syz-executor.1 20090 348714 3939 0 3 0x82 piperd syz-executor.3 69733 296104 3939 0 3 0x82 piperd syz-executor.4 99169 299534 3939 0 3 0x82 piperd syz-executor.7 53887 322214 1 0 3 0x18100083 ttyin getty 10997 379397 3939 0 3 0x82 piperd syz-executor.5 21595 119136 0 0 3 0x14280 nfsidl nfsio 85800 499946 0 0 3 0x14280 nfsidl nfsio 42824 355024 0 0 3 0x14280 nfsidl nfsio 29943 442313 0 0 3 0x14280 nfsidl nfsio 19452 287510 0 0 3 0x14280 nfsidl nfsio 77357 170318 0 0 3 0x14280 nfsidl nfsio 55131 378090 0 0 3 0x14280 nfsidl nfsio 48473 335266 0 0 3 0x14280 nfsidl nfsio 61556 31227 0 0 3 0x14280 nfsidl nfsio 98217 327135 0 0 3 0x14280 nfsidl nfsio 93384 390487 0 0 3 0x14280 nfsidl nfsio 82842 103714 0 0 3 0x14280 nfsidl nfsio 98330 636 0 0 3 0x14280 nfsidl nfsio 73165 221066 0 0 3 0x14280 nfsidl nfsio 32758 88162 0 0 3 0x14280 nfsidl nfsio 94113 242827 0 0 3 0x14280 nfsidl nfsio 78017 339132 0 0 3 0x14280 nfsidl nfsio 72836 424800 0 0 3 0x14280 nfsidl nfsio 15048 477251 0 0 3 0x14280 nfsidl nfsio 36823 86692 0 0 3 0x14280 nfsidl nfsio 10846 135960 0 0 3 0x14200 bored sosplice 3939 4174 14484 0 3 0x1a000082 thrsleep syz-fuzzer 3939 88809 14484 0 3 0x1e000082 thrsleep syz-fuzzer 3939 200859 14484 0 3 0x1e000082 thrsleep syz-fuzzer 3939 115287 14484 0 3 0x1e000082 thrsleep syz-fuzzer 3939 506701 14484 0 3 0x1e000082 kqread syz-fuzzer 3939 388220 14484 0 3 0x1e000082 thrsleep syz-fuzzer 3939 356438 14484 0 3 0x1e000082 thrsleep syz-fuzzer 3939 206918 14484 0 3 0x1e000082 wait syz-fuzzer 3939 237189 14484 0 3 0x1e000082 wait syz-fuzzer 3939 239437 14484 0 3 0x1e000082 wait syz-fuzzer 3939 286016 14484 0 3 0x1e000082 thrsleep syz-fuzzer 3939 465041 14484 0 3 0x1e000082 wait syz-fuzzer 3939 375854 14484 0 3 0x1e000082 wait syz-fuzzer 3939 106268 14484 0 3 0x1e000082 wait syz-fuzzer 3939 521345 14484 0 3 0x1e000082 wait syz-fuzzer 3939 27719 14484 0 3 0x1e000082 wait syz-fuzzer 14484 187452 62633 0 3 0x810008a sigsusp ksh 62633 151397 8940 0 3 0x1800009a kqread sshd 8940 110661 1 0 3 0x18000088 kqread sshd 68423 70436 72949 74 3 0x19100092 bpf pflogd 72949 380113 1 0 3 0x18000080 netio pflogd 30780 9602 62531 73 3 0x19100090 kqread syslogd 62531 517329 1 0 3 0x18100082 netio syslogd 29780 340903 1 0 3 0x18100080 kqread resolvd 6361 131432 73643 77 3 0x18100092 kqread dhcpleased 41537 88588 73643 77 3 0x18100092 kqread dhcpleased 73643 89399 1 0 3 0x18000080 kqread dhcpleased 10605 113170 0 0 3 0x14200 bored smr 52283 472765 0 0 3 0x14200 pgzero zerothread 12645 322463 0 0 3 0x14200 aiodoned aiodoned 4582 153493 0 0 3 0x14200 syncer update 34881 255353 0 0 3 0x14200 cleaner cleaner 44045 69807 0 0 3 0x14200 reaper reaper 85186 257050 0 0 3 0x14200 pgdaemon pagedaemon 29426 390997 0 0 3 0x14200 bored viomb 67830 428959 0 0 3 0x40014200 acpi0 acpi0 65440 308487 0 0 7 0x40014200 idle1 22760 348425 0 0 3 0x14200 bored softnet3 79669 73320 0 0 3 0x14200 bored softnet2 75151 190509 0 0 3 0x14200 bored softnet1 51130 489324 0 0 3 0x14200 bored softnet0 50711 442716 0 0 3 0x14200 bored systqmp 99757 79795 0 0 3 0x14200 bored systq 19063 134638 0 0 3 0x14200 tmoslp softclockmp 68160 382034 0 0 3 0x40014200 tmoslp softclock *57551 254759 0 0 7 0x40014200 idle0 1 33437 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 57551 (idle0) thread 0xffff80002a0fbaa0 (254759) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10228 6522K 7300K 166960K 43237 0 pcb 15 20K 22K 166960K 1695 0 rtable 201 6K 8K 166960K 5801 0 pf 32 9K 10K 166960K 547 0 ifaddr 39 15K 17K 166960K 532 0 ifgroup 55 2K 2K 166960K 841 0 sysctl 3 0K 1K 166960K 13 0 counters 64 36K 37K 166960K 520 0 ioctlops 0 0K 4K 166960K 3233 0 iov 0 0K 40K 166960K 2884 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1706 107K 108K 166960K 12622 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 294 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 2751 0 dirhash 12 2K 2K 166960K 195 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 11 37K 77K 166960K 24782 0 sigio 0 0K 0K 166960K 942 0 proc 85 92K 116K 166960K 3703 0 subproc 104 6K 10K 166960K 1144 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1663 0 in_multi 77 5K 7K 166960K 1192 0 ether_multi 1 0K 0K 166960K 18 0 mrt 2 0K 0K 166960K 15 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 271 1208K 1208K 166960K 271 0 exec 0 0K 1K 166960K 4252 0 pfkey data 0 0K 0K 166960K 34 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 608 806K 808K 166960K 242795 0 UVM aobj 131 7K 7K 166960K 132 0 pinsyscall 26 52K 108K 166960K 3787 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 680 0 NDP 12 0K 2K 166960K 412 0 temp 74 6812K 6944K 166960K 230289 0 kqueue 12 18K 30K 166960K 2074 0 SYN cache 2 1504K 1512K 166960K 4 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 1693 0 1690 16 15 1 3 0 8 0 rtentry 112 2001 0 1911 8 4 4 4 0 8 0 unpcb 144 20252 0 20237 172 171 1 11 0 8 0 syncache 336 196 0 196 32 32 0 1 0 8 0 tcpqe 32 1017 0 1017 27 27 0 2 0 8 0 tcpcb 808 6678 0 6656 179 175 4 14 0 8 0 arp 120 451 0 437 1 0 1 1 0 8 0 ipq 40 6 0 6 2 2 0 1 0 8 0 ipqe 40 18 0 18 2 2 0 1 0 8 0 inpcb 392 17235 0 17181 246 237 9 19 0 8 0 nd6 136 266 0 247 1 0 1 1 0 8 0 pkpcb 40 107 0 107 18 18 0 1 0 8 0 kcovpl 48 81 0 73 1 0 1 1 0 8 0 ppxss 1168 87 0 87 24 23 1 1 0 8 1 pffrag 232 309 0 303 2 1 1 1 0 482 0 pffrnode 88 304 0 298 2 1 1 1 0 8 0 pffrent 40 797 0 791 2 1 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 24 724 0 700 1 0 1 1 0 8 0 pfstkey 128 725 0 701 4 2 2 2 0 8 0 pfstate 376 725 0 701 15 10 5 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 4 0 3 3 2 1 3 0 8 0 art_heap4 256 6080 0 5693 71 43 28 31 0 8 0 art_table 32 6084 0 5696 4 0 4 4 0 8 0 art_node 16 1944 0 1865 1 0 1 1 0 8 0 sysvmsgpl 40 54 0 18 1 0 1 1 0 8 0 semupl 112 4 0 4 1 1 0 1 0 8 0 semapl 112 2749 0 2739 1 0 1 1 0 8 0 shmpl 112 129 0 1 4 0 4 4 0 8 0 dirhash 1024 139 0 122 3 0 3 3 0 8 0 dino2pl 256 32974 0 31331 104 0 104 104 0 8 0 ffsino 272 32974 0 31331 111 0 111 111 0 8 0 nchpl 144 66111 0 64383 67 1 66 67 0 8 0 uvmvnodes 80 29542 0 0 603 0 603 603 0 8 0 vnodes 216 29542 0 0 1642 0 1642 1642 0 8 0 namei 1024 221354 0 221354 13 12 1 2 0 8 1 percpumem 16 274 0 228 1 0 1 1 0 8 0 vcpupl 2048 246 0 0 31 0 31 31 0 8 0 vmpool 696 346 0 100 24 1 23 23 0 8 0 kstatmem 264 480 0 456 4 1 3 3 0 8 0 scxspl 216 200106 0 200106 65 64 1 8 1 8 1 plimitpl 152 3139 0 3123 1 0 1 1 0 8 0 sigapl 424 25009 0 24946 23 15 8 9 0 8 0 futexpl 64 190793 0 190793 5 4 1 1 0 8 1 knotepl 120 1143 0 0 18 4 14 16 0 8 1 kqueuepl 216 5223 0 5215 85 84 1 6 0 8 0 pipepl 320 3805 0 3777 95 89 6 11 0 8 3 fdescpl 496 24945 0 24921 20 16 4 5 0 8 0 filepl 152 141878 0 141635 222 205 17 23 0 8 7 lockfpl 104 6727 0 6725 11 10 1 2 0 8 0 lockfspl 48 2389 0 2387 1 0 1 1 0 8 0 sessionpl 144 107 0 90 1 0 1 1 0 8 0 pgrppl 48 397 0 380 1 0 1 1 0 8 0 ucredpl 104 16947 0 16927 1 0 1 1 0 8 0 zombiepl 144 24947 0 24946 2 1 1 1 0 8 0 processpl 1136 25009 0 24946 7 1 6 6 0 8 0 procpl 680 68445 0 68367 18 9 9 10 0 8 0 srpgc 96 95 0 95 31 31 0 1 0 8 0 sosppl 168 253 0 249 8 7 1 1 0 8 0 sockpl 584 39314 0 39239 297 286 11 23 0 8 0 mcl64k 65536 33 0 0 4 1 3 3 0 8 0 mcl16k 16384 30 0 0 3 1 2 3 0 8 0 mcl12k 12288 34 0 0 3 1 2 2 0 8 0 mcl9k 9216 25 0 0 2 0 2 2 0 8 0 mcl8k 8192 26 0 0 4 1 3 3 0 8 0 mcl4k 4096 59 0 0 5 1 4 4 0 8 0 mcl2k2 2112 10 0 0 1 0 1 1 0 8 0 mcl2k 2048 567 0 0 36 16 20 36 0 8 0 mtagpl 96 757 0 0 9 2 7 8 0 8 0 mbufpl 256 1923 0 0 75 0 75 75 0 8 0 bufpl 280 45891 0 38478 530 0 530 530 0 8 0 anonpl 24 2472480 0 2456903 266 145 121 167 0 186 0 amapchunkpl 152 780696 0 779825 162 119 43 70 0 158 1 amappl16 200 48993 0 48452 159 123 36 46 0 8 0 amappl15 192 113 0 112 1 0 1 1 0 8 0 amappl14 184 421 0 404 5 4 1 2 0 8 0 amappl13 176 24 0 24 3 3 0 1 0 8 0 amappl12 168 26742 0 26705 7 5 2 3 0 8 0 amappl11 160 63 0 49 1 0 1 1 0 8 0 amappl10 152 137 0 121 1 0 1 1 0 8 0 amappl9 144 384 0 383 1 0 1 1 0 8 0 amappl8 136 1221 0 1023 8 0 8 8 0 8 0 amappl7 128 209 0 193 1 0 1 1 0 8 0 amappl6 120 1464 0 1433 6 4 2 2 0 8 0 amappl5 112 948 0 933 1 0 1 1 0 8 0 amappl4 104 1616 0 1566 3 1 2 3 0 8 0 amappl3 96 148938 0 148871 3 0 3 3 0 8 0 amappl2 88 26602 0 26520 10 8 2 4 0 8 0 amappl1 80 100831 0 100297 24 11 13 23 0 8 0 amappl 88 240853 0 240572 10 1 9 9 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 72 131 0 1 3 0 3 3 0 8 0 uaddrrnd 24 25291 0 25021 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 25291 0 25021 2 0 2 2 0 8 0 vmmpekpl 168 178022 0 177920 5 0 5 5 0 8 0 vmmpepl 168 1499682 0 1497036 499 343 156 166 0 357 0 vmsppl 448 25290 0 25021 34 3 31 31 0 8 0 rwobjpl 56 380757 0 349249 452 7 445 445 0 8 0 pdppl 4096 50589 0 50288 1056 741 315 315 0 8 14 pvpl 32 48080 0 0 389 1 388 388 0 265 0 pmappl 248 25290 0 25021 21 3 18 18 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 2106 0 1348 22 0 22 22 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(fffffd806c365bd0) at timeout_run+0xd0 sys/kern/kern_timeout.c:666 softclock_process_kclock_timeout(fffffd806c365bd0,0) 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