kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806c10c6f8, 0xe9779, 0, 1) -> e kernel: page fault trap, code=0 Stopped at db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax TID PID UID PRFLAGS PFLAGS CPU COMMAND * 52736 37691 0 0x10 0x4000000 0 syz-executor 264204 50705 0 0x2 0 1 syz-executor db_read_bytes(e9779,1,ffff800036fee424) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff800036fee6c0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff800036fee6c0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff800036fee998,fffffd807b19e730,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff800036feea88,fffffd806cb67820,fffffd807b19e6a0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd807b19e6a0,fffffd806cb67800) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001602040,fffffd806cb67800) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff1978,ffff800036feecb0,ffff800036feec00) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff800036feeca0, count: 0 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: uvm_fault(0xfffffd806c10c6f8, 0xe9779, 0, 1) -> e ddb{0}> trace db_read_bytes(e9779,1,ffff800036fee424) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff800036fee6c0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff800036fee6c0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff800036fee998,fffffd807b19e730,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff800036feea88,fffffd806cb67820,fffffd807b19e6a0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd807b19e6a0,fffffd806cb67800) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001602040,fffffd806cb67800) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff1978,ffff800036feecb0,ffff800036feec00) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff800036feecb0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036feecb0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x945d09f2ea0, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff800036fee410 rbx 0x1 rdx 0xffff800001597440 rcx 0xffff8000ffff1978 rax 0xffffffff834ccff0 cpu_info_full_primary+0x1ff0 r8 0xffff800036fee540 r9 0x8080808080808080 r10 0x67825413fb60e2dc r11 0xbab9a290fb66eaa7 r12 0x1 r13 0x1 r14 0xffff800036fee425 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff825207c0 db_read_bytes+0x110 cs 0x8 rflags 0x10282 __ALIGN_SIZE+0xf282 rsp 0xffff800036fee3b0 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{0}> show proc PROC (syz-executor) tid=52736 pid=37691 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff27b8,0xffffffff835039c8 process=0xffff8000fffeed70 user=0xffff800036fe9000, vmspace=0xfffffd806c10c6f8 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 19119 238914 74304 0 2 0x40 syz-executor 37691 27151 50320 0 2 0x10 syz-executor *37691 52736 50320 0 7 0x4000010 syz-executor 14644 36145 88767 0 2 0 syz-executor 14644 396271 88767 0 3 0x4000080 fsleep syz-executor 90314 413301 50705 0 2 0 syz-executor 90314 407507 50705 0 3 0x4000080 fsleep syz-executor 17885 389504 96393 0 4 0x82000 syz-executor 17885 488507 96393 0 2 0x4082000 syz-executor 17885 467946 96393 0 3 0x4002000 suspend syz-executor 71045 390559 77908 0 2 0 syz-executor 71045 240324 77908 0 3 0x4000080 lockf syz-executor 71045 356919 77908 0 3 0x4000080 kqread syz-executor 71045 3885 77908 0 3 0x4000080 fsleep syz-executor 74304 167774 37286 0 3 0x82 ppwait syz-executor 96393 381514 37286 0 2 0x2 syz-executor 48769 33574 37286 0 2 0x2 syz-executor 77908 136053 37286 0 3 0x82 nanoslp syz-executor 88767 141218 37286 0 3 0x82 nanoslp syz-executor 50320 15239 37286 0 2 0x482 syz-executor 50705 264204 37286 0 7 0x2 syz-executor 23188 268280 37286 0 3 0x82 wait syz-executor 13698 176724 0 0 3 0x14200 acct acct 69247 140971 1 0 3 0x100083 ttyin getty 96908 476560 0 0 3 0x14200 bored sosplice 37286 446764 73057 0 2 0x2 syz-executor 73057 307502 33911 0 3 0x10008a sigsusp ksh 33911 49501 50294 0 3 0x98 kqread sshd-session 50294 198830 79317 0 3 0x92 kqread sshd-session 79317 394164 1 0 3 0x88 kqread sshd 51402 440050 69457 74 3 0x1100092 bpf pflogd 69457 345375 1 0 3 0x80 sbwait pflogd 86665 404921 56753 73 3 0x1100090 kqread syslogd 56753 175951 1 0 3 0x100082 sbwait syslogd 72399 45628 1 0 3 0x100080 kqread resolvd 89255 273932 22365 77 3 0x100092 kqread dhcpleased 16791 468283 22365 77 3 0x100092 kqread dhcpleased 22365 114153 1 0 3 0x80 kqread dhcpleased 28969 519357 0 0 3 0x14200 bored smr 67306 244317 0 0 2 0x14200 zerothread 20143 44919 0 0 3 0x14200 aiodoned aiodoned 93417 292634 0 0 3 0x14200 syncer update 61706 497561 0 0 3 0x14200 cleaner cleaner 59536 202566 0 0 3 0x14200 reaper reaper 84913 406538 0 0 3 0x14200 pgdaemon pagedaemon 80011 357461 0 0 3 0x14200 bored viomb 99865 504511 0 0 3 0x40014200 acpi0 acpi0 70288 154505 0 0 3 0x40014200 idle1 35465 474744 0 0 3 0x14200 bored softnet3 62668 43314 0 0 3 0x14200 bored softnet2 36270 412603 0 0 3 0x14200 bored softnet1 66545 204017 0 0 3 0x14200 bored softnet0 70446 475313 0 0 3 0x14200 bored systqmp 48906 296021 0 0 3 0x14200 bored systq 33140 76085 0 0 3 0x14200 tmoslp softclockmp 58277 450586 0 0 2 0x40014200 softclock 2262 256406 0 0 3 0x40014200 idle0 1 403091 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 37691 (syz-executor) thread 0xffff8000ffff1978 (52736) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10214 14267K 14518K 166960K 11842 0 pcb 19 14K 16K 166960K 306 0 rtable 210 7K 8K 166960K 1129 0 pf 35 17K 21K 166960K 279 0 ifaddr 39 6K 7K 166960K 177 0 ifgroup 55 2K 2K 166960K 239 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 160 0 ioctlops 0 0K 4K 166960K 1643 0 iov 0 0K 24K 166960K 64 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1391 87K 87K 166960K 2202 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 22 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 17 61K 85K 166960K 1090 0 sigio 0 0K 0K 166960K 19 0 proc 72 91K 128K 166960K 1536 0 subproc 104 6K 6K 166960K 611 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 81 0 in_multi 80 6K 7K 166960K 367 0 ether_multi 1 0K 0K 166960K 7 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 133 599K 599K 166960K 133 0 exec 0 0K 1K 166960K 828 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 242 73K 91K 166960K 9653 0 UVM aobj 85 5K 5K 166960K 85 0 pinsyscall 42 84K 99K 166960K 2941 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 28 0 NDP 12 0K 2K 166960K 119 0 temp 75 6824K 7070K 166960K 32660 0 kqueue 14 20K 28K 166960K 106 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 120 183 0 180 3 2 1 3 0 8 0 rtentry 112 380 0 285 4 1 3 4 0 8 0 unpcb 144 575 0 557 10 8 2 6 0 8 1 syncache 336 7 0 7 4 3 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 808 234 0 226 11 8 3 7 0 8 2 arp 120 63 0 45 1 0 1 1 0 8 0 inpcb 336 1033 0 1020 22 20 2 7 0 8 0 nd6 136 94 0 70 1 0 1 1 0 8 0 pkpcb 40 4 0 4 3 3 0 1 0 8 0 kcovpl 48 47 0 39 1 0 1 1 0 8 0 ppxss 1168 5 0 5 3 3 0 1 0 8 0 pffrag 232 11 0 5 1 0 1 1 0 482 0 pffrnode 88 9 0 4 1 0 1 1 0 8 0 pffrent 40 57 0 51 1 0 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 85 0 54 1 0 1 1 0 8 0 pfstkey 128 86 0 55 2 0 2 2 0 8 0 pfstate 376 85 0 55 5 0 5 5 0 8 0 pfrule 1344 54 0 48 2 0 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 1436 0 1059 32 8 24 29 0 8 0 art_table 32 1438 0 1059 4 0 4 4 0 8 0 art_node 16 361 0 276 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 0 1 0 1 1 0 8 0 semapl 112 20 0 10 1 0 1 1 0 8 0 shmpl 112 82 0 0 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2481 0 919 98 0 98 98 0 8 0 ffsino 272 2481 0 919 106 1 105 105 0 8 0 nchpl 144 3471 0 1736 65 0 65 65 0 8 0 uvmvnodes 80 3284 0 0 68 0 68 68 0 8 0 vnodes 216 3284 0 0 183 0 183 183 0 8 0 namei 1024 14773 0 14773 2 1 1 1 0 8 1 percpumem 16 94 0 48 1 0 1 1 0 8 0 kstatmem 264 120 0 96 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 22198 0 22198 10 9 1 8 1 8 1 plimitpl 152 222 0 203 1 0 1 1 0 8 0 sigapl 424 1317 0 1266 9 2 7 7 0 8 1 futexpl 64 7715 0 7712 4 3 1 1 0 8 0 knotepl 120 367 0 0 10 0 10 10 0 8 0 kqueuepl 216 156 0 145 1 0 1 1 0 8 0 pipepl 320 319 0 292 3 0 3 3 0 8 0 fdescpl 496 1297 0 1266 7 2 5 5 0 8 0 filepl 152 6931 0 6671 27 15 12 16 0 8 2 lockfpl 104 169 0 164 1 0 1 1 0 8 0 lockfspl 48 72 0 68 1 0 1 1 0 8 0 sessionpl 144 66 0 57 1 0 1 1 0 8 0 pgrppl 48 121 0 104 1 0 1 1 0 8 0 ucredpl 104 658 0 644 1 0 1 1 0 8 0 zombiepl 144 1267 0 1266 1 0 1 1 0 8 0 processpl 1160 1317 0 1266 5 1 4 5 0 8 0 procpl 648 2140 0 2081 6 0 6 6 0 8 0 srpgc 96 4 0 4 2 2 0 1 0 8 0 sosppl 168 3 0 3 2 2 0 1 0 8 0 sockpl 664 1803 0 1769 28 24 4 14 0 8 0 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 223 0 0 28 0 28 28 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 1246 0 0 76 0 76 76 0 8 0 bufpl 280 6439 0 265 442 0 442 442 0 8 0 anonpl 24 235013 0 230958 64 20 44 62 0 185 7 amapchunkpl 152 30202 0 29663 40 17 23 35 0 158 0 amappl16 200 5082 0 5055 37 34 3 15 0 8 0 amappl15 192 2 0 2 1 1 0 1 0 8 0 amappl14 184 164 0 152 1 0 1 1 0 8 0 amappl13 176 76 0 76 1 1 0 1 0 8 0 amappl12 168 2429 0 2399 3 1 2 2 0 8 0 amappl11 160 54 0 40 1 0 1 1 0 8 0 amappl10 152 10 0 10 1 1 0 1 0 8 0 amappl9 144 144 0 144 1 1 0 1 0 8 0 amappl8 136 23 0 20 1 0 1 1 0 8 0 amappl7 128 158 0 146 1 0 1 1 0 8 0 amappl6 120 481 0 478 1 0 1 1 0 8 0 amappl5 112 288 0 277 1 0 1 1 0 8 0 amappl4 104 393 0 373 1 0 1 1 0 8 0 amappl3 96 5943 0 5833 5 2 3 4 0 8 0 amappl2 88 1125 0 1056 2 0 2 2 0 8 0 amappl1 80 12751 0 12186 14 0 14 14 0 8 0 amappl 88 9041 0 8862 6 1 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 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 128 254 0 254 2 2 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 84 0 0 2 0 2 2 0 8 0 uaddrrnd 24 1297 0 1266 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1297 0 1266 1 0 1 1 0 8 0 vmmpekpl 168 11897 0 11847 3 0 3 3 0 8 0 vmmpepl 168 87798 0 85931 112 23 89 95 0 357 4 vmsppl 440 1296 0 1266 6 2 4 5 0 8 0 rwobjpl 56 30720 0 26410 67 6 61 61 0 8 0 pdppl 4096 2601 0 2532 162 89 73 81 0 8 4 pvpl 32 29764 0 0 241 1 240 240 0 265 0 pmappl 248 1296 0 1266 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 557 0 136 13 0 13 13 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_read_bytes(e9779,1,ffff800036fee424) at db_read_bytes+0x110 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(e9779,1,0) at db_get_value+0x59 db_disasm(e9779,0) at db_disasm+0x94 db_trap(6,10) at db_trap+0x181 sys/ddb/db_trap.c:71 db_ktrap(6,10,ffff800036fee6c0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff800036fee6c0) at kerntrap+0x1dc sys/arch/amd64/amd64/trap.c:323 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b acpi_pdirpa() at acpi_pdirpa+0xd55ea rt_clone(ffff800036fee998,fffffd807b19e730,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd807b19e718,fffffd806cb67824,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff800036feea88,fffffd806cb67820,fffffd807b19e6a0) at in_pcbselsrc+0x250 in_pcbconnect(fffffd807b19e6a0,fffffd806cb67800) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001602040,fffffd806cb67800) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff1978,ffff800036feecb0,ffff800036feec00) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff800036feecb0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff800036feecb0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x945d09f2ea0, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff835e42a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835e42a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0ae320) at syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] syscall(ffff80002a0ae320) at syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bf129f2c030, count: 9 ddb{1}> trace x86_ipi_db(ffff800029b7bff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff835e42a8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff835e42a8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80002a0ae320) at syscall+0x2cc mi_syscall sys/sys/syscall_mi.h:156 [inline] syscall(ffff80002a0ae320) at syscall+0x2cc sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7bf129f2c030, count: -6