uvm_fault(0xfffffd8070d22720, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *420272 44507 0 0 0x4000000 0 syz-executor ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7f0f80,ffff80003c965610,ffff80003c965560) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c965610) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c965610) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb03c9fcdc60, count: 10 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: uvm_fault(0xfffffd8070d22720, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7f0f80,ffff80003c965610,ffff80003c965560) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c965610) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c965610) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb03c9fcdc60, count: -5 ddb> show registers rdi 0xffff800036130000 rsi 0xed2 rbp 0xffff80003c965330 rbx 0xfffffd8007bfb820 rdx 0xffff800036130000 rcx 0xed1 rax 0xffffffff8161bd13 ktrops+0x43 r8 0xfffffd8068c3c2c0 r9 0xfffffd8007bfb820 r10 0xd6f31549db67fea7 r11 0x2d6444a80dc08850 r12 0xffff80002a7f0f80 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000924 __kernel_virt_to_phys+0x924 rip 0xffffffff8161bd28 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c9652b0 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=420272 pid=44507 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=86, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7f0a60,0xffffffff8397c068 process=0xffff800033917b00 user=0xffff80003c960000, vmspace=0xfffffd8070d22720 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 38030 256895 43124 0 2 0 syz-executor 38030 105593 43124 0 3 0x4000080 fsleep syz-executor 12697 445400 17110 60928 2 0xc90 syz-executor 12697 91911 17110 60928 3 0x4000090 fsleep syz-executor 12697 310509 17110 60928 3 0x4000090 fsleep syz-executor 44507 147720 62384 0 2 0 syz-executor 44507 507795 62384 0 3 0x4000080 lockf syz-executor *44507 420272 62384 0 7 0x4000000 syz-executor 10897 133804 87318 0 3 0x80 nanoslp syz-executor 10897 384108 87318 0 3 0x4000080 piperd syz-executor 10897 501145 87318 0 3 0x4000080 fsleep syz-executor 18602 136354 13171 0 3 0x80 nanoslp syz-executor 18602 207989 13171 0 2 0x4000c80 syz-executor 47744 476519 0 0 3 0x14200 bored sosplice 43124 514915 681 0 3 0x82 nanoslp syz-executor 4524 491161 681 0 2 0x2 syz-executor 62384 467498 681 0 2 0xc82 syz-executor 17110 423780 681 0 3 0x82 nanoslp syz-executor 87318 180353 681 0 3 0x82 nanoslp syz-executor 94236 275962 681 0 2 0x2 syz-executor 13171 173980 681 0 3 0x82 nanoslp syz-executor 76439 275032 681 0 2 0x2 syz-executor 681 374761 96714 0 3 0x82 kqread syz-executor 96714 198655 68559 0 3 0x10008a sigsusp ksh 68559 8264 45520 0 3 0x98 kqread sshd-session 45520 280073 34391 0 3 0x92 kqread sshd-session 24645 206959 1 0 3 0x100083 ttyin getty 34391 387008 1 0 3 0x88 kqread sshd 73342 498980 37942 73 3 0x1100090 kqread syslogd 37942 392076 1 0 3 0x100082 sbwait syslogd 2880 425956 1 0 3 0x100080 kqread resolvd 43543 150465 50110 77 3 0x100092 kqread dhcpleased 14558 360427 50110 77 3 0x100092 kqread dhcpleased 50110 187485 1 0 3 0x80 kqread dhcpleased 33005 98588 0 0 3 0x14200 bored smr 43162 523266 0 0 2 0x14200 zerothread 18184 380615 0 0 3 0x14200 aiodoned aiodoned 29549 43291 0 0 3 0x14200 syncer update 78388 478331 0 0 3 0x14200 cleaner cleaner 18005 238567 0 0 3 0x14200 reaper reaper 62442 366116 0 0 3 0x14200 pgdaemon pagedaemon 64892 465772 0 0 3 0x14200 bored viomb 57428 7745 0 0 3 0x40014200 acpi0 acpi0 53490 64415 0 0 3 0x14200 bored softnet3 58256 431159 0 0 3 0x14200 bored softnet2 43833 52511 0 0 3 0x14200 bored softnet1 30075 160241 0 0 3 0x14200 bored softnet0 34325 77541 0 0 3 0x14200 bored systqmp 76631 183501 0 0 3 0x14200 bored systq 34792 476132 0 0 3 0x40014200 tmoslp softclock 36357 415885 0 0 3 0x40014200 idle0 1 486256 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 10191 11125K 11236K 166960K 11340 0 pcb 18 12K 12K 166960K 46 0 rtable 222 7K 7K 166960K 360 0 pf 33 13K 13K 166960K 39 0 ifaddr 44 7K 7K 166960K 49 0 ifgroup 55 2K 2K 166960K 59 0 sysctl 2 1K 9K 166960K 7 0 counters 34 17K 18K 166960K 38 0 ioctlops 0 0K 4K 166960K 45 0 iov 0 0K 4K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1343 85K 85K 166960K 1406 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 6 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 89K 166960K 213 0 sigio 1 0K 0K 166960K 1 0 proc 60 59K 91K 166960K 485 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 9 0 in_multi 100 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 351 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 208 142K 156K 166960K 3384 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 36 72K 91K 166960K 1225 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 12 0K 2K 166960K 30 0 temp 69 8682K 8746K 166960K 4407 0 kqueue 16 26K 28K 166960K 38 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 41 0 37 1 0 1 1 0 8 0 rtentry 136 114 0 12 4 0 4 4 0 8 0 unpcb 144 75 0 58 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 31 0 27 1 0 1 1 0 8 0 arp 88 18 0 0 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 168 0 160 4 0 4 4 0 8 3 nd6 104 24 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 5 0 4 1 0 1 1 0 8 0 pppxif 1384 1 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 492 0 41 29 0 29 29 0 8 0 art_table 32 493 0 41 4 0 4 4 0 8 0 art_node 16 113 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 3 0 1 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 22 0 5 3 0 3 3 0 8 0 dino2pl 256 1695 0 194 95 0 95 95 0 8 0 ffsino 248 1695 0 194 95 0 95 95 0 8 0 nchpl 144 1987 0 309 63 0 63 63 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 1805 0 0 37 0 37 37 0 8 0 vnodes 216 1805 0 0 101 0 101 101 0 8 0 namei 1024 5964 0 5962 2 0 2 2 0 8 1 kstatmem 264 28 0 4 2 0 2 2 0 8 0 scxspl 216 6578 0 6578 8 0 8 8 1 8 8 plimitpl 152 35 0 19 1 0 1 1 0 8 0 sigapl 424 488 0 444 6 0 6 6 0 8 0 knotepl 120 5734 0 5674 7 0 7 7 0 8 5 kqueuepl 184 48 0 35 1 0 1 1 0 8 0 pipepl 296 108 0 79 3 0 3 3 0 8 0 fdescpl 440 471 0 444 5 0 5 5 0 8 1 filepl 120 1789 0 1559 8 0 8 8 0 8 0 lockfpl 104 23 0 18 1 0 1 1 0 8 0 lockfspl 48 13 0 9 1 0 1 1 0 8 0 sessionpl 144 21 0 13 1 0 1 1 0 8 0 pgrppl 48 31 0 15 1 0 1 1 0 8 0 ucredpl 104 185 0 173 1 0 1 1 0 8 0 zombiepl 144 444 0 444 1 0 1 1 0 8 1 processpl 1160 488 0 444 4 0 4 4 0 8 0 procpl 656 607 0 555 6 0 6 6 0 8 1 sockpl 528 286 0 256 5 0 5 5 0 8 2 mcl64k 65536 6 0 5 1 0 1 1 0 8 0 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 2515 0 2463 15 0 15 15 0 8 8 mcl2k 2048 236 0 231 1 0 1 1 0 8 0 mtagpl 96 6 0 5 1 0 1 1 0 8 0 mbufpl 256 4707 0 4552 11 0 11 11 0 8 1 bufpl 280 2405 0 117 164 0 164 164 0 8 0 anonpl 24 105747 0 102751 23 0 23 23 0 187 3 amapchunkpl 152 10259 0 9831 26 0 26 26 0 158 7 amappl16 200 2171 0 2146 5 0 5 5 0 8 3 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 103 0 93 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 0 1 1 0 8 1 amappl12 168 1071 0 1044 2 0 2 2 0 8 0 amappl11 160 48 0 38 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 0 1 1 0 8 1 amappl9 144 240 0 240 1 0 1 1 0 8 1 amappl8 136 31 0 30 1 0 1 1 0 8 0 amappl7 128 162 0 152 1 0 1 1 0 8 0 amappl6 120 176 0 173 1 0 1 1 0 8 0 amappl5 112 119 0 113 1 0 1 1 0 8 0 amappl4 104 285 0 270 1 0 1 1 0 8 0 amappl3 96 1682 0 1586 3 0 3 3 0 8 0 amappl2 88 599 0 543 2 0 2 2 0 8 0 amappl1 80 7957 0 7425 13 0 13 13 0 8 1 amappl 88 2748 0 2603 4 0 4 4 0 92 0 dma4096 4096 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 471 0 444 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 471 0 444 1 0 1 1 0 8 0 vmmpekpl 168 5290 0 5255 2 0 2 2 0 8 0 vmmpepl 168 36300 0 34587 83 0 83 83 0 357 3 vmsppl 360 470 0 444 4 0 4 4 0 8 1 rwobjpl 32 14712 0 12084 22 0 22 22 0 8 0 pdppl 4096 949 0 888 93 26 67 79 0 8 6 pvpl 32 235244 0 227083 77 0 77 77 0 265 6 pmappl 216 470 0 444 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 258 0 26 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7f0f80,ffff80003c965610,ffff80003c965560) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c965610) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c965610) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb03c9fcdc60, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7f0f80,ffffffffffffffff,0,80000924,fffffd8068c3c2c0,fffffd8007bfb820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8068c3c2c0,4,924,0,ffff80002a7f0f80) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7f0f80,ffff80003c965610,ffff80003c965560) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c965610) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c965610) at syscall+0x97e sys/arch/amd64/amd64/trap.c:579 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb03c9fcdc60, count: -5