kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND 0(0,0,0,ffffffff82c34ff0,0,0) at 0 timeout_run(fffffd805d105f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd805d105f00,0) 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(ffffffff82c34ff0) 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,ffffffff82c34ff0,0,0) at 0 timeout_run(fffffd805d105f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd805d105f00,0) 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(ffffffff82c34ff0) 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 0xffff80002a142ba0 rbx 0 rdx 0 rcx 0xffff80002a13c540 rax 0x9 r8 0 r9 0 r10 0xc03b781eaa10f409 r11 0 r12 0 r13 0xffffffff82bda970 timeout_spinlock_obj r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a142b58 ss 0x10 0 ddb{0}> show proc PROC (idle0) tid=27162 pid=90538 tcnt=1 stat=onproc flags process=14000 proc=40000200 runpri=0, usrpri=50, slppri=0, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0x3cc6ec015c4abf9f, list=0xffff80002a13ca90,0xffff80002a13c000 process=0xffff8000fffff670 user=0xffff80002a13d000, vmspace=0xffffffff82cdcbc0 estcpu=0, cpticks=99390, pctcpu=0.0, user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 34527 384746 15464 0 3 0x82 piperd syz-executor.4 30177 203560 0 0 3 0x14200 acct acct 23504 226792 15464 0 3 0x82 nanoslp syz-executor.3 55463 85284 15464 0 3 0x82 piperd syz-executor.6 13415 113892 15464 0 3 0x82 piperd syz-executor.0 32037 357923 15464 0 3 0x82 piperd syz-executor.2 5294 207819 15464 0 3 0x82 piperd syz-executor.1 69672 98257 1 0 3 0x100083 ttyin getty 23087 173659 15464 0 3 0x82 piperd syz-executor.7 98994 466267 15464 0 3 0x82 piperd syz-executor.5 19377 145550 0 0 3 0x14280 nfsidl nfsio 80468 46243 0 0 3 0x14280 nfsidl nfsio 43496 353027 0 0 3 0x14280 nfsidl nfsio 31100 320179 0 0 3 0x14280 nfsidl nfsio 62295 256486 0 0 3 0x14280 nfsidl nfsio 43607 355521 0 0 3 0x14280 nfsidl nfsio 56938 57034 0 0 3 0x14280 nfsidl nfsio 15617 8157 0 0 3 0x14280 nfsidl nfsio 93624 2830 0 0 3 0x14280 nfsidl nfsio 81731 377302 0 0 3 0x14280 nfsidl nfsio 9157 509140 0 0 3 0x14280 nfsidl nfsio 12785 224420 0 0 3 0x14280 nfsidl nfsio 20279 245516 0 0 3 0x14280 nfsidl nfsio 25149 3734 0 0 3 0x14280 nfsidl nfsio 2263 43202 0 0 3 0x14280 nfsidl nfsio 92998 343124 0 0 3 0x14280 nfsidl nfsio 23423 148432 0 0 3 0x14280 nfsidl nfsio 63428 72861 0 0 3 0x14280 nfsidl nfsio 10783 338210 0 0 3 0x14280 nfsidl nfsio 77626 84146 0 0 3 0x14280 nfsidl nfsio 7038 133436 0 0 3 0x14200 bored sosplice 15464 439832 43353 0 3 0x2000082 kqread syz-fuzzer 15464 452822 43353 0 3 0x6000082 thrsleep syz-fuzzer 15464 352026 43353 0 3 0x6000082 wait syz-fuzzer 15464 375728 43353 0 3 0x6000082 wait syz-fuzzer 15464 282150 43353 0 3 0x6000082 wait syz-fuzzer 15464 447158 43353 0 3 0x6000082 thrsleep syz-fuzzer 15464 469746 43353 0 3 0x6000082 thrsleep syz-fuzzer 15464 25711 43353 0 3 0x6000082 thrsleep syz-fuzzer 15464 291572 43353 0 3 0x6000082 wait syz-fuzzer 15464 440396 43353 0 3 0x6000082 wait syz-fuzzer 15464 447637 43353 0 3 0x6000082 thrsleep syz-fuzzer 15464 377321 43353 0 3 0x6000082 thrsleep syz-fuzzer 15464 464213 43353 0 3 0x6000082 thrsleep syz-fuzzer 15464 421484 43353 0 3 0x6000082 wait syz-fuzzer 15464 275948 43353 0 3 0x6000082 wait syz-fuzzer 15464 81435 43353 0 3 0x6000082 wait syz-fuzzer 43353 156965 88102 0 3 0x10008a sigsusp ksh 88102 522175 91351 0 3 0x9a kqread sshd 91351 155845 1 0 3 0x88 kqread sshd 44608 293959 8296 74 3 0x1100092 bpf pflogd 8296 253086 1 0 3 0x80 netio pflogd 78382 243768 20928 73 3 0x1100090 kqread syslogd 20928 60127 1 0 3 0x100082 netio syslogd 27063 145519 1 0 3 0x100080 kqread resolvd 86510 14951 89247 77 3 0x100092 kqread dhcpleased 9154 28585 89247 77 3 0x100092 kqread dhcpleased 89247 17885 1 0 3 0x80 kqread dhcpleased 43799 66107 0 0 3 0x14200 bored smr 53898 46937 0 0 3 0x14200 pgzero zerothread 34480 281026 0 0 3 0x14200 aiodoned aiodoned 23941 82369 0 0 3 0x14200 syncer update 18980 516855 0 0 3 0x14200 cleaner cleaner 76604 523587 0 0 3 0x14200 reaper reaper 39860 495218 0 0 3 0x14200 pgdaemon pagedaemon 10669 15152 0 0 3 0x14200 bored viomb 15861 288208 0 0 3 0x40014200 acpi0 acpi0 13087 25078 0 0 7 0x40014200 idle1 75487 71297 0 0 3 0x14200 bored softnet3 76793 374650 0 0 3 0x14200 bored softnet2 52414 503788 0 0 3 0x14200 bored softnet1 71039 49386 0 0 3 0x14200 bored softnet0 61864 90763 0 0 3 0x14200 bored systqmp 66033 91358 0 0 3 0x14200 bored systq 57039 183400 0 0 3 0x14200 tmoslp softclockmp 35350 152466 0 0 3 0x40014200 tmoslp softclock *90538 27162 0 0 7 0x40014200 idle0 1 368396 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 (0xffffffff82bda970) #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 90538 (idle0) thread 0xffff80002a13c540 (27162) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82d662c0) #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:191 #5 proc_trampoline+0x10 shared mutex timeout r = 0 (0xffffffff82bda970) #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 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10233 6512K 7629K 166960K 54834 0 pcb 13 16K 18K 166960K 2409 0 rtable 225 15K 16K 166960K 3808 0 pf 35 10K 10K 166960K 902 0 ifaddr 46 19K 20K 166960K 667 0 ifgroup 60 2K 2K 166960K 1450 0 sysctl 4 1K 1K 166960K 16 0 counters 62 36K 36K 166960K 780 0 ioctlops 0 0K 4K 166960K 2905 0 iov 0 0K 34K 166960K 3400 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1704 107K 107K 166960K 20616 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 915 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 3551 0 dirhash 12 2K 2K 166960K 123 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 11 37K 89K 166960K 33119 0 sigio 0 0K 0K 166960K 390 0 proc 70 91K 127K 166960K 4262 0 subproc 104 6K 14K 166960K 1391 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 1357 0 in_multi 88 6K 7K 166960K 1427 0 ether_multi 1 0K 0K 166960K 21 0 mrt 1 0K 0K 166960K 12 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 229 1023K 1023K 166960K 229 0 exec 0 0K 1K 166960K 4969 0 pfkey data 0 0K 0K 166960K 13 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 622 503K 504K 166960K 326379 0 UVM aobj 131 5K 5K 166960K 144 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 3184 0 NDP 13 0K 2K 166960K 552 0 temp 74 5928K 6052K 166960K 268722 0 kqueue 12 18K 29K 166960K 2182 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 22 0 0 1 0 1 1 0 8 0 rtpcb 120 6006 0 6003 69 68 1 4 0 8 0 rtentry 112 1264 0 1163 6 2 4 4 0 8 0 unpcb 144 24174 0 24159 244 243 1 10 0 8 0 syncache 312 290 0 290 57 57 0 1 0 8 0 sackhl 24 1 22 1 1 1 0 1 0 8 0 tcpqe 32 431 0 431 46 46 0 1 0 8 0 tcpcb 808 6956 0 6940 216 213 3 16 0 8 1 arp 120 255 0 239 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 368 25124 0 25105 362 359 3 20 0 8 1 nd6 136 297 0 274 1 0 1 1 0 8 0 pkpcb 40 107 0 107 13 13 0 1 0 8 0 kcovpl 48 90 0 82 1 0 1 1 0 8 0 ppxss 1256 92 0 92 30 30 0 1 0 8 0 pffrag 232 257 0 255 6 5 1 1 0 482 0 pffrnode 88 253 0 251 6 5 1 1 0 8 0 pffrent 40 896 0 894 7 6 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 24 926 0 915 1 0 1 1 0 8 0 pfstkey 128 975 0 964 3 2 1 2 0 8 0 pfstate 376 975 0 964 27 24 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 4596 0 4156 76 48 28 32 0 8 0 art_table 32 4597 0 4156 5 1 4 5 0 8 0 art_node 16 1245 0 1153 1 0 1 1 0 8 0 sysvmsgpl 40 62 0 52 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 3547 0 3537 1 0 1 1 0 8 0 shmpl 112 141 0 13 4 0 4 4 0 8 0 dirhash 1024 91 0 74 3 0 3 3 0 8 0 dino2pl 256 43649 0 42053 101 0 101 101 0 8 0 ffsino 272 43649 0 42053 107 0 107 107 0 8 0 nchpl 144 92900 0 92403 63 40 23 63 0 8 0 uvmvnodes 80 9453 0 0 193 0 193 193 0 8 0 vnodes 216 9453 0 0 526 0 526 526 0 8 0 namei 1024 299257 0 299257 18 17 1 3 0 8 1 percpumem 16 403 0 359 1 0 1 1 0 8 0 vcpupl 2048 99 0 1 13 0 13 13 0 8 0 vmpool 696 405 0 307 12 3 9 9 0 8 0 kstatmem 264 744 0 718 4 2 2 3 0 8 0 scxspl 216 279626 0 279626 63 62 1 8 1 8 1 plimitpl 152 3984 0 3968 1 0 1 1 0 8 0 sigapl 424 33313 0 33249 9 1 8 8 0 8 0 futexpl 64 274556 0 274556 13 12 1 1 0 8 1 knotepl 120 1829 0 0 16 2 14 16 0 8 0 kqueuepl 216 5219 0 5211 89 88 1 8 0 8 0 pipepl 320 16346 0 16318 298 295 3 13 0 8 0 fdescpl 496 33268 0 33244 6 2 4 5 0 8 0 filepl 152 221516 0 221276 332 321 11 24 0 8 1 lockfpl 104 15285 0 15283 33 32 1 3 0 8 0 lockfspl 48 6196 0 6194 2 1 1 2 0 8 0 sessionpl 144 111 0 94 1 0 1 1 0 8 0 pgrppl 48 308 0 291 1 0 1 1 0 8 0 ucredpl 104 20450 0 20437 1 0 1 1 0 8 0 zombiepl 144 33250 0 33249 3 2 1 1 0 8 0 processpl 1072 33313 0 33249 5 0 5 5 0 8 0 procpl 680 92657 0 92578 18 9 9 11 0 8 0 srpgc 96 114 0 114 45 45 0 1 0 8 0 sosppl 168 320 0 320 37 37 0 1 0 8 0 sockpl 488 55519 0 55482 950 944 6 35 0 8 0 mcl64k 65536 41 0 0 5 2 3 3 0 8 0 mcl16k 16384 41 0 0 4 1 3 3 0 8 0 mcl12k 12288 49 0 0 3 1 2 2 0 8 0 mcl9k 9216 41 0 0 3 1 2 2 0 8 0 mcl8k 8192 99 0 0 8 5 3 6 0 8 0 mcl4k 4096 105 0 0 8 4 4 4 0 8 0 mcl2k2 2112 56 0 0 3 1 2 3 0 8 0 mcl2k 2048 804 0 0 36 17 19 31 0 8 0 mtagpl 96 1316 0 0 16 1 15 16 0 8 0 mbufpl 256 2689 0 0 91 1 90 91 0 8 0 bufpl 288 53672 0 44219 676 0 676 676 0 8 0 anonpl 24 3389615 0 3376080 371 252 119 166 0 186 0 amapchunkpl 152 1036771 0 1036021 295 257 38 68 0 158 1 amappl16 200 66417 0 65870 370 337 33 67 0 8 0 amappl15 192 11 0 11 2 2 0 1 0 8 0 amappl14 184 418 0 406 2 1 1 2 0 8 0 amappl13 176 49 0 49 6 6 0 1 0 8 0 amappl12 168 35234 0 35200 4 2 2 3 0 8 0 amappl11 160 59 0 45 1 0 1 1 0 8 0 amappl10 152 188 0 171 1 0 1 1 0 8 0 amappl9 144 405 0 404 1 0 1 1 0 8 0 amappl8 136 1878 0 1606 10 0 10 10 0 8 0 amappl7 128 533 0 505 2 0 2 2 0 8 0 amappl6 120 1813 0 1792 1 0 1 1 0 8 0 amappl5 112 719 0 707 1 0 1 1 0 8 0 amappl4 104 1469 0 1417 7 5 2 2 0 8 0 amappl3 96 200322 0 200255 4 1 3 3 0 8 0 amappl2 88 35489 0 35407 4 2 2 3 0 8 0 amappl1 80 130499 0 129961 23 10 13 23 0 8 0 amappl 88 323667 0 323410 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 72 143 0 13 3 0 3 3 0 8 0 uaddrrnd 24 33673 0 33551 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 33673 0 33551 1 0 1 1 0 8 0 vmmpekpl 168 278997 0 278913 5 0 5 5 0 8 0 vmmpepl 168 1998165 0 1995607 596 441 155 198 0 357 0 vmsppl 464 33672 0 33551 20 3 17 17 0 8 1 rwobjpl 56 477338 0 465873 217 52 165 166 0 8 0 pdppl 4096 67354 0 67200 1311 1143 168 168 0 8 14 pvpl 32 9520547 0 9501280 996 753 243 368 0 265 28 pmappl 248 33672 0 33551 11 2 9 9 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 3144 0 1908 37 1 36 36 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace 0(0,0,0,ffffffff82c34ff0,0,0) at 0 timeout_run(fffffd805d105f00) at timeout_run+0xd0 sys/kern/kern_timeout.c:665 softclock_process_kclock_timeout(fffffd805d105f00,0) 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(ffffffff82c34ff0) 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(ffff800029d2bff0) 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(ffff800029d2bff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029d2bff0) 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(ffff800029d2bff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5