kernel: page fault trap, code=10 Stopped at 0 TID PID UID PRFLAGS PFLAGS CPU COMMAND * 73660 92580 0 0x2 0 0 syz-executor end trace frame: 0x0, count: 14 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: attempt to execute user address 0x0 in supervisor mode ddb> trace end trace frame: 0x0, count: -1 ddb> show registers rdi 0x990f000 __kernel_phys_end+0x630f000 rsi 0xffff80002a48dbf0 rbp 0 rbx 0 rdx 0x601c6002 rcx 0 rax 0x8000000067805001 r8 0x2 r9 0 r10 0xab3ece3de4e8ddb4 r11 0xab9c038d81dfba25 r12 0 r13 0 r14 0 r15 0 rip 0 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a5a3d60 ss 0 0 ddb> show proc PROC (syz-executor) tid=73660 pid=92580 tcnt=1 stat=onproc flags process=2 proc=0 runpri=83, usrpri=83, slppri=16, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a48ccc0,0xffff80002a48c538 process=0xffff80002a5a8028 user=0xffff80002a59e000, vmspace=0xfffffd806c273820 estcpu=36, cpticks=1, pctcpu=0.3, user=0, sys=3, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 36469 439918 10971 0 2 0 syz-executor 31501 281083 92580 0 2 0 syz-executor 19661 358989 75049 0 2 0 syz-executor 62791 21368 84690 0 2 0 syz-executor 96735 105213 32592 0 2 0 syz-executor 45791 255929 94629 0 3 0x100002 inode sh 991 182683 53993 0 3 0x2 biowait syz-executor 94629 17219 53993 0 3 0x82 wait syz-executor 37897 185736 53993 0 3 0x2 biowait syz-executor 10971 520208 53993 0 2 0x2 syz-executor *92580 73660 53993 0 7 0x2 syz-executor 75049 360855 53993 0 3 0x82 nanoslp syz-executor 84690 156179 53993 0 3 0x82 nanoslp syz-executor 32592 236758 53993 0 3 0x82 nanoslp syz-executor 66747 54792 0 0 3 0x14200 bored sosplice 70587 477757 0 0 3 0x14280 nfsidl nfsio 12330 502570 0 0 3 0x14280 nfsidl nfsio 57633 175897 0 0 3 0x14280 nfsidl nfsio 15274 440313 0 0 3 0x14280 nfsidl nfsio 21420 408552 0 0 3 0x14280 nfsidl nfsio 51887 250114 0 0 3 0x14280 nfsidl nfsio 24916 360776 0 0 3 0x14280 nfsidl nfsio 96920 463027 0 0 3 0x14280 nfsidl nfsio 48247 509213 0 0 3 0x14280 nfsidl nfsio 15771 505286 0 0 3 0x14280 nfsidl nfsio 80147 503742 0 0 3 0x14280 nfsidl nfsio 34792 323154 0 0 3 0x14280 nfsidl nfsio 4603 429095 0 0 3 0x14280 nfsidl nfsio 43420 427552 0 0 3 0x14280 nfsidl nfsio 27030 367822 0 0 3 0x14280 nfsidl nfsio 40046 101777 0 0 3 0x14280 nfsidl nfsio 21255 316677 0 0 3 0x14280 nfsidl nfsio 15372 485046 0 0 3 0x14280 nfsidl nfsio 11223 501362 0 0 3 0x14280 nfsidl nfsio 34383 108389 0 0 3 0x14280 nfsidl nfsio 53993 30727 11043 0 3 0x82 kqread syz-executor 11043 437288 6621 0 3 0x10008a sigsusp ksh 6621 164742 80242 0 3 0x98 kqread sshd-session 80242 360898 3716 0 3 0x92 kqread sshd-session 18497 334385 1 0 3 0x100083 ttyin getty 3716 453837 1 0 3 0x88 kqread sshd 96056 167738 11786 73 3 0x1100010 biowait syslogd 11786 83734 1 0 3 0x100082 sbwait syslogd 90821 348420 1 0 3 0x100080 kqread resolvd 16226 119252 5919 77 3 0x100092 kqread dhcpleased 35368 95109 5919 77 3 0x100092 kqread dhcpleased 5919 329254 1 0 3 0x80 kqread dhcpleased 86506 214482 0 0 3 0x14200 bored smr 90259 292064 0 0 2 0x14200 zerothread 49204 190211 0 0 3 0x14200 aiodoned aiodoned 42641 241403 0 0 3 0x14200 syncer update 6047 102152 0 0 3 0x14200 cleaner cleaner 71675 409374 0 0 3 0x14200 reaper reaper 50858 38341 0 0 3 0x14200 pgdaemon pagedaemon 53013 519200 0 0 3 0x14200 bored viomb 19844 53222 0 0 3 0x40014200 acpi0 acpi0 4786 483878 0 0 3 0x14200 bored softnet3 67567 38366 0 0 3 0x14200 bored softnet2 28397 283360 0 0 3 0x14200 bored softnet1 82606 163253 0 0 3 0x14200 bored softnet0 33952 147026 0 0 3 0x14200 bored systqmp 41833 458533 0 0 3 0x14200 bored systq 29713 51711 0 0 3 0x40014200 tmoslp softclock 79508 308028 0 0 3 0x40014200 idle0 1 264101 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10173 10092K 10477K 166960K 12043 0 pcb 17 15K 17K 166960K 185 0 rtable 198 7K 8K 166960K 2073 0 pf 32 13K 17K 166960K 173 0 ifaddr 36 6K 8K 166960K 280 0 ifgroup 50 2K 2K 166960K 305 0 sysctl 2 0K 0K 166960K 4 0 counters 30 17K 17K 166960K 95 0 ioctlops 0 0K 4K 166960K 293 0 iov 0 0K 24K 166960K 144 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1413 89K 89K 166960K 2248 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 19 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 54K 97K 166960K 1431 0 sigio 0 0K 0K 166960K 16 0 proc 58 59K 124K 166960K 2073 0 subproc 49 3K 3K 166960K 451 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 192 0 in_multi 77 5K 7K 166960K 728 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 1113 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 169 79K 109K 166960K 11345 0 UVM aobj 18 4K 4K 166960K 21 0 pinsyscall 37 74K 98K 166960K 3882 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 35 0 NDP 19 1K 2K 166960K 202 0 temp 81 6815K 6907K 166960K 34536 0 kqueue 13 20K 38K 166960K 97 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 222 0 219 2 0 2 2 0 8 1 rtentry 112 729 0 640 4 0 4 4 0 8 1 unpcb 144 1008 0 993 10 1 9 10 0 8 8 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpcb 808 212 0 208 4 0 4 4 0 8 3 arp 88 131 0 117 1 0 1 1 0 8 0 ipq 40 2 0 2 1 0 1 1 0 8 1 ipqe 40 3 0 3 1 0 1 1 0 8 1 inpcb 336 1125 0 1118 10 1 9 10 0 8 8 nd6 104 196 0 178 1 0 1 1 0 8 0 pkpcb 40 4 0 4 1 0 1 1 0 8 1 kcovpl 48 64 0 57 1 0 1 1 0 8 0 ppxss 1072 5 0 5 1 0 1 1 0 8 1 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 8 0 6 1 0 1 1 0 8 0 pfstate 344 4 0 3 1 0 1 1 0 8 0 pfrule 1344 37 0 37 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 2914 0 2546 30 1 29 30 0 8 4 art_table 32 2916 0 2546 4 0 4 4 0 8 0 art_node 16 728 0 647 1 0 1 1 0 8 0 sysvmsgpl 40 14 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 17 0 7 1 0 1 1 0 8 0 shmpl 112 18 0 3 1 0 1 1 0 8 0 dirhash 1024 22 0 5 3 0 3 3 0 8 0 dino2pl 256 2563 0 959 101 0 101 101 0 8 0 ffsino 240 2563 0 959 95 0 95 95 0 8 0 nchpl 144 3394 0 1645 65 0 65 65 0 8 0 uvmvnodes 80 3343 0 0 69 0 69 69 0 8 0 vnodes 216 3343 0 0 186 0 186 186 0 8 0 namei 1024 16599 0 16598 2 0 2 2 0 8 1 vcpupl 3904 4 0 1 1 0 1 1 0 8 0 vmpool 664 4 0 1 1 0 1 1 0 8 0 kstatmem 264 152 0 130 2 0 2 2 0 8 0 scxspl 216 27851 0 27848 8 0 8 8 1 8 7 plimitpl 152 282 0 266 1 0 1 1 0 8 0 sigapl 424 1617 0 1552 8 0 8 8 0 8 0 futexpl 64 8411 0 8411 1 0 1 1 0 8 1 knotepl 120 17673 0 17626 10 0 10 10 0 8 8 kqueuepl 184 219 0 210 4 0 4 4 0 8 3 pipepl 288 323 0 296 3 0 3 3 0 8 0 fdescpl 432 1580 0 1552 5 0 5 5 0 8 1 filepl 120 7796 0 7618 16 2 14 16 0 8 8 lockfpl 104 348 0 346 2 0 2 2 0 8 1 lockfspl 48 135 0 133 1 0 1 1 0 8 0 sessionpl 144 77 0 69 1 0 1 1 0 8 0 pgrppl 48 147 0 131 1 0 1 1 0 8 0 ucredpl 104 844 0 833 1 0 1 1 0 8 0 zombiepl 144 1552 0 1552 1 0 1 1 0 8 1 processpl 1096 1617 0 1552 6 0 6 6 0 8 0 procpl 648 2382 0 2317 8 0 8 8 0 8 1 sosppl 168 5 0 5 1 0 1 1 0 8 1 sockpl 504 2365 0 2340 57 45 12 42 0 8 8 mcl64k 65536 5 0 5 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 19 0 19 1 0 1 1 0 8 1 mcl4k 4096 6 0 5 1 0 1 1 0 8 0 mcl2k 2048 7368 0 7272 25 5 20 25 0 8 7 mtagpl 96 9 0 9 1 0 1 1 0 8 1 mbufpl 256 18080 0 17906 54 34 20 54 0 8 4 bufpl 280 8679 0 1205 534 0 534 534 0 8 0 anonpl 24 300375 0 297608 78 0 78 78 0 187 52 amapchunkpl 152 36757 0 36463 43 0 43 43 0 158 31 amappl16 200 5820 0 5816 14 4 10 14 0 8 8 amappl15 192 15 0 15 1 0 1 1 0 8 1 amappl14 184 223 0 213 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 0 1 1 0 8 1 amappl12 168 3064 0 3039 3 0 3 3 0 8 1 amappl11 160 53 0 43 1 0 1 1 0 8 0 amappl10 152 14 0 14 1 0 1 1 0 8 1 amappl9 144 134 0 134 1 0 1 1 0 8 1 amappl8 136 44 0 43 1 0 1 1 0 8 0 amappl7 128 217 0 207 1 0 1 1 0 8 0 amappl6 120 748 0 745 1 0 1 1 0 8 0 amappl5 112 346 0 337 1 0 1 1 0 8 0 amappl4 104 458 0 443 1 0 1 1 0 8 0 amappl3 96 6711 0 6644 4 0 4 4 0 8 2 amappl2 88 1368 0 1310 2 0 2 2 0 8 0 amappl1 80 14696 0 14173 14 0 14 14 0 8 2 amappl 88 10583 0 10469 5 0 5 5 0 92 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma2048 2048 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 253 0 253 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 20 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1584 0 1553 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1584 0 1553 1 0 1 1 0 8 0 vmmpekpl 168 13392 0 13339 3 0 3 3 0 8 0 vmmpepl 168 109986 0 108368 92 0 92 92 0 357 20 vmsppl 344 1583 0 1553 4 0 4 4 0 8 0 rwobjpl 24 36426 0 32266 26 0 26 26 0 8 0 pdppl 4096 3175 0 3109 172 103 69 83 0 8 3 pvpl 32 847977 0 840140 395 41 354 395 0 265 263 pmappl 216 1583 0 1553 3 0 3 3 0 8 1 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 568 0 189 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace end trace frame: 0x0, count: -1 ddb> machine ddbcpu 1 No such command ddb> trace end trace frame: 0x0, count: -1