uvm_fault(0xfffffd806c08e718, 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 *361265 61815 0 0 0x4000000 0 syz-executor ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003a53f740,ffff80003c147840,ffff80003c147790) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c147840) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c147840) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfead5da8b50, 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(0xfffffd806c08e718, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003a53f740,ffff80003c147840,ffff80003c147790) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c147840) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c147840) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfead5da8b50, count: -5 ddb> show registers rdi 0xffff80003a542000 rsi 0x85e rbp 0xffff80003c147560 rbx 0xfffffd807f7d7820 rdx 0xffff80003a542000 rcx 0x85d rax 0xffffffff82149623 ktrops+0x43 r8 0xfffffd805ed97cd0 r9 0xfffffd807f7d7820 r10 0xad556af2784f3c45 r11 0x1b38cdc7ae3a2702 r12 0xffff80003a53f740 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000106 __kernel_virt_to_phys+0x106 rip 0xffffffff82149638 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c1474e0 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=361265 pid=61815 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a53f9d0,0xffffffff83966bf8 process=0xffff80003c9a0478 user=0xffff80003c142000, vmspace=0xfffffd806c08e718 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 61815 130359 20371 0 2 0 syz-executor *61815 361265 20371 0 7 0x4000000 syz-executor 10868 182954 0 0 3 0x14280 nfsidl nfsio 20958 29334 0 0 3 0x14280 nfsidl nfsio 56164 140050 0 0 3 0x14280 nfsidl nfsio 52403 159478 0 0 3 0x14280 nfsidl nfsio 87925 126089 0 0 3 0x14280 nfsidl nfsio 31336 342229 0 0 3 0x14280 nfsidl nfsio 57210 313302 0 0 3 0x14280 nfsidl nfsio 59287 54751 0 0 3 0x14280 nfsidl nfsio 87364 1069 0 0 3 0x14280 nfsidl nfsio 17647 328048 0 0 3 0x14280 nfsidl nfsio 13520 493684 0 0 3 0x14280 nfsidl nfsio 10967 147791 0 0 3 0x14280 nfsidl nfsio 52322 412599 0 0 3 0x14280 nfsidl nfsio 74626 177049 0 0 3 0x14280 nfsidl nfsio 3931 450927 0 0 3 0x14280 nfsidl nfsio 29333 375381 0 0 3 0x14280 nfsidl nfsio 9938 300048 0 0 3 0x14280 nfsidl nfsio 50933 214644 0 0 3 0x14280 nfsidl nfsio 49643 432361 0 0 3 0x14280 nfsidl nfsio 90831 296894 0 0 3 0x14280 nfsidl nfsio 51930 423446 51679 0 2 0 syz-executor 51930 244636 51679 0 3 0x4000080 pppxread syz-executor 25590 268534 0 0 3 0x14200 bored sosplice 51679 491472 50763 0 2 0x482 syz-executor 20371 135467 50763 0 2 0x482 syz-executor 27284 444767 50763 0 2 0x2 syz-executor 13864 16418 50763 0 3 0x82 wait syz-executor 28096 284680 50763 0 2 0x2 syz-executor 94783 87304 50763 0 3 0x82 wait syz-executor 33346 444557 50763 0 2 0x2 syz-executor 52886 131778 50763 0 2 0x2 syz-executor 50763 173312 11891 0 2 0x2 syz-executor 11891 47347 55696 0 3 0x10008a sigsusp ksh 55696 293616 21798 0 3 0x98 kqread sshd-session 21798 350425 82338 0 3 0x92 kqread sshd-session 76677 195275 1 0 3 0x100083 ttyin getty 82338 472143 1 0 3 0x88 kqread sshd 76114 484311 52561 73 3 0x1100090 kqread syslogd 52561 480332 1 0 3 0x100082 sbwait syslogd 70299 63666 1 0 3 0x100080 kqread resolvd 16434 170088 8689 77 3 0x100092 kqread dhcpleased 58676 331268 8689 77 3 0x100092 kqread dhcpleased 8689 37382 1 0 3 0x80 kqread dhcpleased 63604 298265 0 0 3 0x14200 bored smr 19015 329418 0 0 2 0x14200 zerothread 4840 37867 0 0 3 0x14200 aiodoned aiodoned 40790 499042 0 0 3 0x14200 syncer update 39776 323601 0 0 3 0x14200 cleaner cleaner 98320 237302 0 0 3 0x14200 reaper reaper 26041 237449 0 0 3 0x14200 pgdaemon pagedaemon 7089 397780 0 0 3 0x14200 bored viomb 73423 467409 0 0 3 0x40014200 acpi0 acpi0 90103 189003 0 0 3 0x14200 bored softnet3 31141 200582 0 0 3 0x14200 bored softnet2 93716 433316 0 0 3 0x14200 bored softnet1 55736 259300 0 0 3 0x14200 bored softnet0 78803 355896 0 0 3 0x14200 bored systqmp 83381 11067 0 0 3 0x14200 bored systq 87010 6913 0 0 2 0x40014200 softclock 38763 112711 0 0 3 0x40014200 idle0 1 354669 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 10193 11308K 11403K 166960K 11587 0 pcb 17 12K 12K 166960K 51 0 rtable 206 6K 7K 166960K 380 0 pf 30 13K 14K 166960K 51 0 ifaddr 40 7K 7K 166960K 56 0 ifgroup 46 2K 2K 166960K 73 0 sysctl 3 1K 1K 166960K 3 0 counters 29 17K 17K 166960K 39 0 ioctlops 0 0K 4K 166960K 47 0 iov 0 0K 20K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1404 88K 88K 166960K 1611 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 8 0K 0K 166960K 8 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 97K 166960K 358 0 sigio 0 0K 0K 166960K 2 0 proc 61 59K 124K 166960K 495 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 28 0 in_multi 91 6K 7K 166960K 111 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 2K 166960K 508 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 198 154K 164K 166960K 4791 0 UVM aobj 11 2K 2K 166960K 12 0 pinsyscall 35 70K 98K 166960K 1395 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 13 0 NDP 10 0K 2K 166960K 34 0 temp 43 8672K 8744K 166960K 19182 0 kqueue 13 20K 26K 166960K 56 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 50 0 47 1 0 1 1 0 8 0 rtentry 136 120 0 26 4 0 4 4 0 8 0 unpcb 144 326 0 311 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 808 54 0 48 2 0 2 2 0 8 1 arp 88 20 0 2 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 344 207 0 196 2 0 2 2 0 8 0 nd6 104 26 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 6 0 6 1 0 1 1 0 8 1 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfrule 1344 2 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 498 0 94 29 0 29 29 0 8 3 art_table 32 499 0 94 4 0 4 4 0 8 0 art_node 16 118 0 35 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 6 0 0 1 0 1 1 0 8 0 shmpl 112 9 0 1 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 1998 0 501 95 0 95 95 0 8 0 ffsino 248 1998 0 501 95 0 95 95 0 8 0 nchpl 144 2521 0 2004 63 33 30 63 0 8 8 uvmvnodes 80 2218 0 0 46 0 46 46 0 8 0 vnodes 216 2218 0 0 124 0 124 124 0 8 0 namei 1024 8350 0 8346 2 0 2 2 0 8 1 kstatmem 264 36 0 16 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 7919 0 7919 4 0 4 4 1 8 4 plimitpl 152 99 0 83 1 0 1 1 0 8 0 sigapl 424 660 0 597 8 0 8 8 0 8 0 futexpl 64 3740 0 3740 1 0 1 1 0 8 1 knotepl 120 11673 0 11626 10 0 10 10 0 8 8 kqueuepl 184 87 0 78 1 0 1 1 0 8 0 pipepl 296 115 0 88 3 0 3 3 0 8 0 fdescpl 440 623 0 597 5 0 5 5 0 8 1 filepl 120 2992 0 2778 11 0 11 11 0 8 2 lockfpl 104 218 0 216 2 0 2 2 0 8 1 lockfspl 48 37 0 35 1 0 1 1 0 8 0 sessionpl 144 22 0 14 1 0 1 1 0 8 0 pgrppl 48 98 0 82 1 0 1 1 0 8 0 ucredpl 104 424 0 412 1 0 1 1 0 8 0 zombiepl 144 599 0 597 1 0 1 1 0 8 0 processpl 1112 660 0 597 5 0 5 5 0 8 0 procpl 656 1010 0 945 7 0 7 7 0 8 0 sosppl 168 2 0 2 1 0 1 1 0 8 1 sockpl 528 619 0 592 3 0 3 3 0 8 0 mcl64k 65536 4 0 3 1 0 1 1 0 8 0 mcl8k 8192 6 0 6 1 0 1 1 0 8 1 mcl4k 4096 2691 0 2642 13 0 13 13 0 8 5 mcl2k 2048 324 0 322 4 0 4 4 0 8 2 mtagpl 96 24 0 5 1 0 1 1 0 8 0 mbufpl 256 7075 0 6899 14 0 14 14 0 8 0 bufpl 280 2761 0 119 189 0 189 189 0 8 0 anonpl 24 121343 0 118398 44 0 44 44 0 187 21 amapchunkpl 152 14622 0 14240 30 0 30 30 0 158 11 amappl16 200 2224 0 2197 5 0 5 5 0 8 3 amappl15 192 29 0 29 1 0 1 1 0 8 1 amappl14 184 107 0 97 1 0 1 1 0 8 0 amappl13 176 4 0 3 1 0 1 1 0 8 0 amappl12 168 1270 0 1244 3 0 3 3 0 8 1 amappl11 160 43 0 33 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 0 1 1 0 8 1 amappl9 144 247 0 247 1 0 1 1 0 8 1 amappl8 136 25 0 24 1 0 1 1 0 8 0 amappl7 128 101 0 90 1 0 1 1 0 8 0 amappl6 120 169 0 166 1 0 1 1 0 8 0 amappl5 112 114 0 108 1 0 1 1 0 8 0 amappl4 104 288 0 272 1 0 1 1 0 8 0 amappl3 96 2623 0 2537 3 0 3 3 0 8 0 amappl2 88 629 0 574 2 0 2 2 0 8 0 amappl1 80 9015 0 8486 14 0 14 14 0 8 1 amappl 88 4091 0 3957 5 0 5 5 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 11 0 1 1 0 1 1 0 8 0 uaddrrnd 24 623 0 597 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 623 0 597 1 0 1 1 0 8 0 vmmpekpl 168 6605 0 6567 2 0 2 2 0 8 0 vmmpepl 168 45505 0 43838 87 0 87 87 0 357 3 vmsppl 360 622 0 597 4 0 4 4 0 8 1 rwobjpl 32 16821 0 13789 25 0 25 25 0 8 0 pdppl 4096 1253 0 1194 99 32 67 83 0 8 8 pvpl 32 295804 0 287856 112 0 112 112 0 265 36 pmappl 216 622 0 597 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 268 0 32 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003a53f740,ffff80003c147840,ffff80003c147790) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c147840) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c147840) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfead5da8b50, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003a53f740,ffffffffffffffff,0,80000106,fffffd805ed97cd0,fffffd807f7d7820) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd805ed97cd0,4,106,0,ffff80003a53f740) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003a53f740,ffff80003c147840,ffff80003c147790) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c147840) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c147840) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xfead5da8b50, count: -5