kernel: page fault trap, code=10 Stopped at acpi_pdirpa+0xd55ea: uvm_fault(0xfffffd806c594540, 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 457615 46534 0 0 0x4000000 1 syz-executor *142559 18921 0 0 0x4000000 0K syz-executor db_read_bytes(e9779,1,ffff8000325ba854) 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,ffff8000325baaf0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000325baaf0) 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(ffff8000325badc8,fffffd806ee791e0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000325baeb8,fffffd806bc37620,fffffd806ee79150) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee79150,fffffd806bc37600) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001534010,fffffd806bc37600) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff6a40,ffff8000325bb0e0,ffff8000325bb030) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 end trace frame: 0xffff8000325bb0d0, 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(0xfffffd806c594540, 0xe9779, 0, 1) -> e ddb{0}> trace db_read_bytes(e9779,1,ffff8000325ba854) 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,ffff8000325baaf0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000325baaf0) 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(ffff8000325badc8,fffffd806ee791e0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000325baeb8,fffffd806bc37620,fffffd806ee79150) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee79150,fffffd806bc37600) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001534010,fffffd806bc37600) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff6a40,ffff8000325bb0e0,ffff8000325bb030) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff8000325bb0e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000325bb0e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5d986c1a6f0, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff8000325ba840 rbx 0x1 rdx 0xffff800001593a40 rcx 0xffff8000ffff6a40 rax 0xffffffff834d8ff0 cpu_info_full_primary+0x1ff0 r8 0xffff8000325ba970 r9 0x8080808080808080 r10 0x6f2cda4060670063 r11 0xc138d1a41637f08a r12 0x1 r13 0x1 r14 0xffff8000325ba855 r15 0xe977a acpi_pdirpa+0xd55eb rip 0xffffffff81e8fde0 db_read_bytes+0x110 cs 0x8 rflags 0x10286 __ALIGN_SIZE+0xf286 rsp 0xffff8000325ba7e0 ss 0x10 db_read_bytes+0x110: movzbl 0xffffffffffffffff(%r15),%eax ddb{0}> show proc PROC (syz-executor) tid=142559 pid=18921 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffff7460,0xffff8000ffff6030 process=0xffff80002e375fd0 user=0xffff8000325b6000, vmspace=0xfffffd806c594540 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 46534 5704 56244 0 2 0 syz-executor 46534 366999 56244 0 3 0x4000080 sbwait syz-executor 46534 118233 56244 0 3 0x4000080 fsleep syz-executor 46534 457615 56244 0 7 0x4000000 syz-executor 59396 19457 85732 0 2 0 syz-executor 59396 422218 85732 0 3 0x4000080 kqread syz-executor 59396 248720 85732 0 3 0x4000080 fsleep syz-executor 59396 286469 85732 0 3 0x4000080 fsleep syz-executor 92292 155753 2799 0 2 0 syz-executor 92292 232940 2799 0 3 0x4000080 fsleep syz-executor 92292 279270 2799 0 3 0x4000080 fsleep syz-executor 18921 233678 2753 0 2 0 syz-executor *18921 142559 2753 0 7 0x4000000 syz-executor 18921 6648 2753 0 3 0x4000080 fsleep syz-executor 74150 164101 70312 0 3 0x80 nanoslp syz-executor 74150 488156 70312 0 3 0x4000080 kqpoll syz-executor 74150 166774 70312 0 3 0x4000080 fsleep syz-executor 2753 121927 15278 0 2 0x482 syz-executor 2799 463208 15278 0 2 0x482 syz-executor 82367 177774 15278 0 3 0x82 nanoslp syz-executor 85732 497728 15278 0 3 0x82 nanoslp syz-executor 70312 340799 15278 0 2 0x482 syz-executor 34921 508684 15278 0 2 0x2 syz-executor 56244 373670 15278 0 3 0x82 nanoslp syz-executor 37639 469466 0 0 3 0x14200 bored sosplice 15278 352011 61807 0 3 0x82 wait syz-executor 61807 188649 3123 0 3 0x10008a sigsusp ksh 3123 98884 83201 0 3 0x98 kqread sshd-session 83201 26780 70547 0 3 0x92 kqread sshd-session 60725 87715 1 0 3 0x100083 ttyin getty 70547 393271 1 0 3 0x88 kqread sshd 26239 464077 22344 74 3 0x1100092 bpf pflogd 22344 342474 1 0 3 0x80 sbwait pflogd 50808 237883 96346 73 2 0x1100010 syslogd 96346 311377 1 0 3 0x100082 sbwait syslogd 97453 672 1 0 3 0x100080 kqread resolvd 75718 176099 63190 77 3 0x100092 kqread dhcpleased 79042 116309 63190 77 3 0x100092 kqread dhcpleased 63190 20369 1 0 3 0x80 kqread dhcpleased 46978 283586 0 0 3 0x14200 pause smr 24267 129527 0 0 2 0x14200 zerothread 9841 143964 0 0 3 0x14200 aiodoned aiodoned 58525 387632 0 0 3 0x14200 syncer update 8526 211016 0 0 3 0x14200 cleaner cleaner 64204 111301 0 0 3 0x14200 reaper reaper 19724 238032 0 0 3 0x14200 pgdaemon pagedaemon 85830 429617 0 0 3 0x14200 bored viomb 49282 506587 0 0 3 0x40014200 acpi0 acpi0 32578 372791 0 0 3 0x40014200 idle1 31213 114548 0 0 3 0x14200 bored softnet3 99063 478643 0 0 3 0x14200 bored softnet2 50410 510747 0 0 3 0x14200 bored softnet1 96955 520213 0 0 3 0x14200 bored softnet0 63853 501519 0 0 3 0x14200 bored systqmp 29073 152814 0 0 3 0x14200 bored systq 35196 490729 0 0 3 0x14200 tmoslp softclockmp 72874 281628 0 0 3 0x40014200 tmoslp softclock 18695 33816 0 0 3 0x40014200 idle0 1 514622 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 18921 (syz-executor) thread 0xffff8000ffff6a40 (142559) Process 34921 (syz-executor) thread 0xffff8000371cef60 (508684) Process 50808 (syslogd) thread 0xffff8000ffffdbe8 (237883) ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10204 14264K 14389K 166960K 11550 0 pcb 17 13K 14K 166960K 95 0 rtable 226 6K 6K 166960K 838 0 pf 36 17K 21K 166960K 129 0 ifaddr 43 7K 8K 166960K 134 0 ifgroup 57 2K 2K 166960K 169 0 sysctl 2 0K 0K 166960K 2 0 counters 66 36K 36K 166960K 122 0 ioctlops 0 0K 4K 166960K 1519 0 iov 0 0K 16K 166960K 6 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1385 87K 87K 166960K 1887 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 10 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1690 195K 286K 166960K 12418 0 file desc 16 57K 93K 166960K 625 0 sigio 0 0K 0K 166960K 8 0 proc 72 91K 128K 166960K 1164 0 subproc 104 6K 7K 166960K 416 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 20 0 in_multi 89 6K 7K 166960K 279 0 ether_multi 1 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 640 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 247 73K 91K 166960K 6087 0 UVM aobj 8 2K 2K 166960K 8 0 pinsyscall 41 82K 104K 166960K 2192 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 12 0 NDP 13 0K 2K 166960K 87 0 temp 41 6811K 6879K 166960K 16447 0 kqueue 14 22K 28K 166960K 58 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 120 106 0 103 2 1 1 2 0 8 0 rtentry 112 293 0 187 4 0 4 4 0 8 0 unpcb 144 155 0 134 2 1 1 2 0 8 0 syncache 336 3 0 3 2 2 0 1 0 8 0 tcpcb 808 63 0 57 3 2 1 2 0 8 0 arp 120 48 0 30 1 0 1 1 0 8 0 inpcb 336 434 0 424 12 8 4 7 0 8 3 nd6 136 71 0 50 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 1 0 1 0 8 0 kcovpl 48 32 0 24 1 0 1 1 0 8 0 ppxss 1168 2 0 1 1 0 1 1 0 8 0 pffrag 232 4 0 1 2 1 1 1 0 482 0 pffrnode 88 4 0 1 2 1 1 1 0 8 0 pffrent 40 48 0 45 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 pfanchor 1288 4 0 0 1 0 1 1 0 8 0 pfstitem 24 59 0 40 1 0 1 1 0 8 0 pfstkey 128 59 0 40 1 0 1 1 0 8 0 pfstate 376 59 0 40 3 0 3 3 0 8 0 pfrule 1344 23 0 18 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1131 0 714 35 8 27 29 0 8 0 art_table 32 1132 0 714 4 0 4 4 0 8 0 art_node 16 281 0 186 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 5 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1972 0 426 97 0 97 97 0 8 0 ffsino 272 1972 0 426 104 0 104 104 0 8 0 nchpl 144 2424 0 705 64 0 64 64 0 8 0 uvmvnodes 80 2474 0 0 51 0 51 51 0 8 0 vnodes 216 2474 0 0 138 0 138 138 0 8 0 namei 1024 9764 0 9763 4 3 1 2 0 8 0 percpumem 16 75 0 28 1 0 1 1 0 8 0 kstatmem 264 82 0 56 2 0 2 2 0 8 0 scxspl 216 12378 0 12378 13 12 1 8 1 8 1 plimitpl 152 151 0 132 1 0 1 1 0 8 0 sigapl 424 876 0 827 10 4 6 7 0 8 0 futexpl 64 3018 0 3011 5 4 1 1 0 8 0 knotepl 120 584 0 0 17 0 17 17 0 8 0 kqueuepl 216 67 0 55 1 0 1 1 0 8 0 pipepl 320 197 0 169 3 0 3 3 0 8 0 fdescpl 496 857 0 827 9 4 5 5 0 8 0 filepl 152 3731 0 3425 18 6 12 14 0 8 0 lockfpl 104 76 0 74 1 0 1 1 0 8 0 lockfspl 48 34 0 32 1 0 1 1 0 8 0 sessionpl 144 46 0 37 1 0 1 1 0 8 0 pgrppl 48 81 0 64 1 0 1 1 0 8 0 ucredpl 104 488 0 475 1 0 1 1 0 8 0 zombiepl 144 829 0 827 3 2 1 1 0 8 0 processpl 1160 876 0 827 5 1 4 5 0 8 0 procpl 648 1219 0 1158 7 1 6 6 0 8 0 srpgc 96 10 0 10 3 3 0 1 0 8 0 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 664 697 0 663 15 9 6 9 0 8 3 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 250 0 0 32 0 32 32 0 8 0 mtagpl 96 7 0 0 1 0 1 1 0 8 0 mbufpl 256 382 0 0 22 0 22 22 0 8 0 bufpl 280 5417 0 96 381 0 381 381 0 8 0 anonpl 24 229826 0 226366 69 19 50 50 0 185 13 amapchunkpl 152 19889 0 19352 42 15 27 32 0 158 5 amappl16 200 5959 0 5943 26 22 4 14 0 8 3 amappl15 192 12 0 12 1 1 0 1 0 8 0 amappl14 184 156 0 144 1 0 1 1 0 8 0 amappl13 176 11 0 11 1 1 0 1 0 8 0 amappl12 168 1808 0 1778 4 2 2 3 0 8 0 amappl11 160 55 0 41 1 0 1 1 0 8 0 amappl10 152 17 0 16 1 0 1 1 0 8 0 amappl9 144 145 0 145 1 1 0 1 0 8 0 amappl8 136 33 0 31 1 0 1 1 0 8 0 amappl7 128 160 0 148 1 0 1 1 0 8 0 amappl6 120 387 0 386 1 0 1 1 0 8 0 amappl5 112 230 0 217 1 0 1 1 0 8 0 amappl4 104 375 0 358 1 0 1 1 0 8 0 amappl3 96 3555 0 3432 6 2 4 4 0 8 0 amappl2 88 927 0 860 2 0 2 2 0 8 0 amappl1 80 9813 0 9251 14 1 13 14 0 8 1 amappl 88 5593 0 5409 6 1 5 5 0 92 0 dma32768 32768 1 0 1 1 1 0 1 0 8 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 7 0 0 1 0 1 1 0 8 0 uaddrrnd 24 857 0 827 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 857 0 827 1 0 1 1 0 8 0 vmmpekpl 168 8254 0 8199 4 1 3 3 0 8 0 vmmpepl 168 61825 0 60009 102 19 83 92 0 357 0 vmsppl 440 856 0 827 6 2 4 5 0 8 0 rwobjpl 56 24814 0 21395 50 1 49 49 0 8 0 pdppl 4096 1721 0 1654 171 98 73 85 0 8 6 pvpl 32 26987 0 0 219 1 218 218 0 265 0 pmappl 248 856 0 827 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 494 0 124 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_read_bytes(e9779,1,ffff8000325ba854) 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,ffff8000325baaf0) at db_ktrap+0x303 sys/arch/amd64/amd64/db_interface.c:151 kerntrap(ffff8000325baaf0) 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(ffff8000325badc8,fffffd806ee791e0,0) at rt_clone+0x98 sys/net/route.c:383 route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 rt_match sys/net/route.c:360 [inline] route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 rtalloc_mpath sys/net/route.c:476 [inline] route_mpath(fffffd806ee791c8,fffffd806bc37624,0,0) at route_mpath+0x170 sys/net/route.c:255 in_pcbselsrc(ffff8000325baeb8,fffffd806bc37620,fffffd806ee79150) at in_pcbselsrc+0x250 in_pcbconnect(fffffd806ee79150,fffffd806bc37600) at in_pcbconnect+0x11a sys/netinet/in_pcb.c:522 tcp_connect(ffff800001534010,fffffd806bc37600) at tcp_connect+0x3cb sys/netinet/tcp_usrreq.c:654 sys_connect(ffff8000ffff6a40,ffff8000325bb0e0,ffff8000325bb030) at sys_connect+0x345 sys/kern/uipc_syscalls.c:422 syscall(ffff8000325bb0e0) at syscall+0xbb6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000325bb0e0) at syscall+0xbb6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5d986c1a6f0, 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(ffffffff83618290) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83618290) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000371c39e0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371c39e0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6611f280810, 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(ffffffff83618290) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83618290) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff8000371c39e0) at syscall+0xad6 mi_syscall sys/sys/syscall_mi.h:179 [inline] syscall(ffff8000371c39e0) at syscall+0xad6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6611f280810, count: -6