uvm_fault(0xfffffd8059393d98, 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 * 48632 80569 0 0x8000000 0x4000000 0 syz-executor ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff800030ffc030,ffff80003743fa60,ffff80003743f9b0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80003743fa60) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f39d4be8d0, 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(0xfffffd8059393d98, 0xf, 0, 1) -> e ddb> trace ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff800030ffc030,ffff80003743fa60,ffff80003743f9b0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80003743fa60) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f39d4be8d0, count: -5 ddb> show registers rdi 0xffff800030ffc030 rsi 0xffffffffffffffff rbp 0xffff80003743f780 rbx 0xfffffd807f7d7750 rdx 0 rcx 0x80000538 __kernel_virt_to_phys+0x538 rax 0xffff800030ffc030 r8 0xfffffd8078d6fa50 r9 0xfffffd807f7d7750 r10 0xa61163a444a91da6 r11 0xf07a2a6e3b4907f7 r12 0xffff800030ffc030 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000538 __kernel_virt_to_phys+0x538 rip 0xffffffff8143ca78 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003743f700 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=48632 pid=80569 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=17, usrpri=84, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800030ffc7c8,0xffff800030ffcf70 process=0xffff8000ffffaae0 user=0xffff80003743a000, vmspace=0xfffffd8059393d98 estcpu=34, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 21122 368861 14374 0 2 0x8000000 syz-executor 91084 491937 25103 0 2 0x8000040 syz-executor 30113 303720 55991 0 2 0x8000000 syz-executor 30113 381528 55991 0 2 0xc000000 syz-executor 9325 118677 75740 0 2 0x8000000 syz-executor 9325 240102 75740 0 3 0xc000080 fsleep syz-executor 80569 7281 65260 0 2 0x8000000 syz-executor *80569 48632 65260 0 7 0xc000000 syz-executor 25103 65956 67055 0 3 0x8000082 ppwait syz-executor 9830 160870 67055 0 3 0x8000082 piperd syz-executor 14374 170376 67055 0 3 0x8000082 nanoslp syz-executor 55991 212587 67055 0 3 0x8000082 nanoslp syz-executor 75740 376937 67055 0 3 0x8000082 nanoslp syz-executor 4906 214687 67055 0 3 0x8000082 nanoslp syz-executor 65260 4012 67055 0 3 0x8000082 nanoslp syz-executor 9078 227752 67055 0 2 0x8000002 syz-executor 58666 351845 1 0 3 0x18100083 ttyin getty 52572 206928 0 0 3 0x14280 nfsidl nfsio 45310 84701 0 0 3 0x14280 nfsidl nfsio 38360 476654 0 0 3 0x14280 nfsidl nfsio 43039 504942 0 0 3 0x14280 nfsidl nfsio 51790 427622 0 0 3 0x14280 nfsidl nfsio 44490 419089 0 0 3 0x14280 nfsidl nfsio 35949 240589 0 0 3 0x14280 nfsidl nfsio 59673 279745 0 0 3 0x14280 nfsidl nfsio 94432 231375 0 0 3 0x14280 nfsidl nfsio 12594 452275 0 0 3 0x14280 nfsidl nfsio 53336 187950 0 0 3 0x14280 nfsidl nfsio 87859 93714 0 0 3 0x14280 nfsidl nfsio 55568 108845 0 0 3 0x14280 nfsidl nfsio 26715 64796 0 0 3 0x14280 nfsidl nfsio 66086 196393 0 0 3 0x14280 nfsidl nfsio 15258 411172 0 0 3 0x14280 nfsidl nfsio 85498 314080 0 0 3 0x14280 nfsidl nfsio 12651 352686 0 0 3 0x14280 nfsidl nfsio 87847 513461 0 0 3 0x14280 nfsidl nfsio 58632 377451 0 0 3 0x14280 nfsidl nfsio 62700 426169 0 0 3 0x14200 bored sosplice 67055 50928 15511 0 2 0x8000002 syz-executor 15511 55315 57254 0 3 0x810008a sigsusp ksh 57254 38491 439 0 3 0x18000098 kqread sshd-session 439 451089 2014 0 3 0x18000092 kqread sshd-session 2014 177503 1 0 3 0x18000088 kqread sshd 51991 281066 82593 73 3 0x19100090 kqread syslogd 82593 297703 1 0 3 0x18100082 sbwait syslogd 31816 117695 1 0 3 0x18100080 kqread resolvd 6602 15196 23199 77 3 0x18100092 kqread dhcpleased 22318 433129 23199 77 3 0x18100092 kqread dhcpleased 23199 194725 1 0 3 0x18000080 kqread dhcpleased 57326 317479 0 0 3 0x14200 bored smr 4310 333946 0 0 2 0x14200 zerothread 3735 382465 0 0 3 0x14200 aiodoned aiodoned 59203 38370 0 0 3 0x14200 syncer update 63624 420488 0 0 3 0x14200 cleaner cleaner 20823 39098 0 0 3 0x14200 reaper reaper 35677 320708 0 0 3 0x14200 pgdaemon pagedaemon 33348 125069 0 0 3 0x14200 bored viomb 77029 494607 0 0 3 0x40014200 acpi0 acpi0 95887 206026 0 0 3 0x14200 bored softnet3 58437 229124 0 0 3 0x14200 bored softnet2 17724 443131 0 0 3 0x14200 bored softnet1 34946 289779 0 0 3 0x14200 bored softnet0 47785 334962 0 0 3 0x14200 bored systqmp 80462 420887 0 0 3 0x14200 bored systq 8619 199345 0 0 3 0x40014200 tmoslp softclock 89464 38033 0 0 3 0x40014200 idle0 1 24523 0 0 3 0x8000082 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 10185 10104K 14327K 166960K 13870 0 pcb 17 15K 16K 166960K 318 0 rtable 200 10K 11K 166960K 2848 0 pf 37 14K 22K 166960K 394 0 ifaddr 43 8K 9K 166960K 362 0 ifgroup 54 2K 2K 166960K 411 0 sysctl 3 0K 0K 166960K 5 0 counters 31 17K 18K 166960K 114 0 ioctlops 0 0K 4K 166960K 405 0 iov 0 0K 16K 166960K 70 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1455 91K 92K 166960K 3886 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 99 0 VM map 2 1K 1K 166960K 2 0 sem 16 32K 32K 166960K 229 0 dirhash 15 2K 2K 166960K 51 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 16 57K 93K 166960K 3451 0 sigio 0 0K 0K 166960K 35 0 proc 59 59K 91K 166960K 2529 0 subproc 104 6K 6K 166960K 1028 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 351 0 in_multi 88 6K 7K 166960K 955 0 ether_multi 1 0K 0K 166960K 42 0 mrt 1 0K 0K 166960K 8 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 1657 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 227 89K 102K 166960K 27764 0 UVM aobj 64 7K 8K 166960K 102 0 pinsyscall 37 74K 94K 166960K 6292 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 120 0 NDP 12 0K 2K 166960K 252 0 temp 105 6816K 6944K 166960K 107443 0 kqueue 13 20K 32K 166960K 288 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 120 489 0 486 1 0 1 1 0 8 0 rtentry 112 1002 0 918 4 1 3 4 0 8 0 unpcb 144 1363 0 1348 7 5 2 6 0 8 1 syncache 336 6 0 6 1 1 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 808 667 0 663 8 7 1 8 0 8 0 arp 88 180 0 164 1 0 1 1 0 8 0 ipq 40 6 0 4 1 0 1 1 0 8 0 ipqe 40 12 0 9 1 0 1 1 0 8 0 inpcb 336 2640 0 2633 8 6 2 7 0 8 1 nd6 104 245 0 224 1 0 1 1 0 8 0 pkpcb 40 12 0 12 1 1 0 1 0 8 0 kcovpl 48 79 0 71 1 0 1 1 0 8 0 ppxss 1072 6 0 6 1 1 0 1 0 8 0 pfstscr 40 2 0 2 1 1 0 1 0 8 0 pfosfp 40 4 0 2 1 0 1 1 0 8 0 pfosfpen 112 4 0 0 1 0 1 1 0 8 0 pfrktable 1344 4 0 1 1 0 1 1 0 8 0 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfqueue 264 3 0 2 1 0 1 1 0 8 0 pfstitem 24 6 0 5 1 0 1 1 0 8 0 pfstkey 128 15 0 9 1 0 1 1 0 8 0 pfstate 344 8 0 7 1 0 1 1 0 8 0 pfrule 1344 77 0 64 3 1 2 2 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 3721 0 3322 31 3 28 29 0 8 0 art_table 32 3723 0 3322 4 0 4 4 0 8 0 art_node 16 965 0 897 1 0 1 1 0 8 0 sysvmsgpl 40 27 0 19 1 0 1 1 0 8 0 semapl 112 224 0 210 1 0 1 1 0 8 0 shmpl 112 99 0 38 2 0 2 2 0 8 0 dirhash 1024 43 0 24 3 0 3 3 0 8 0 dino2pl 256 5330 0 3703 102 0 102 102 0 8 0 ffsino 240 5330 0 3703 96 0 96 96 0 8 0 nchpl 144 8650 0 6869 67 0 67 67 0 8 0 uvmvnodes 80 7390 0 0 151 0 151 151 0 8 0 vnodes 216 7390 0 0 411 0 411 411 0 8 0 namei 1024 33790 0 33790 2 1 1 2 0 8 1 vcpupl 3904 34 0 1 5 0 5 5 0 8 0 vmpool 664 39 0 6 3 0 3 3 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 190 0 166 3 0 3 3 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 54104 0 54104 8 7 1 8 1 8 1 plimitpl 152 381 0 365 1 0 1 1 0 8 0 sigapl 424 3629 0 3564 8 0 8 8 0 8 0 futexpl 64 32168 0 32167 1 0 1 1 0 8 0 knotepl 120 75498 0 75451 23 21 2 16 0 8 0 kqueuepl 184 582 0 573 3 2 1 3 0 8 0 pipepl 288 631 0 604 7 4 3 7 0 8 0 fdescpl 432 3572 0 3544 5 1 4 5 0 8 0 filepl 120 17221 0 16984 16 7 9 14 0 8 0 lockfpl 104 548 0 546 1 0 1 1 0 8 0 lockfspl 48 243 0 241 1 0 1 1 0 8 0 sessionpl 144 94 0 86 1 0 1 1 0 8 0 pgrppl 48 182 0 166 1 0 1 1 0 8 0 ucredpl 104 2419 0 2407 1 0 1 1 0 8 0 zombiepl 144 3565 0 3564 2 1 1 1 0 8 0 processpl 1096 3629 0 3564 6 1 5 6 0 8 0 procpl 648 6318 0 6250 7 0 7 7 0 8 0 sosppl 168 11 0 11 1 1 0 1 0 8 0 sockpl 504 4518 0 4493 32 25 7 26 0 8 3 mcl64k 65536 376 0 376 3 2 1 1 0 8 1 mcl16k 16384 158 0 158 2 1 1 1 0 8 1 mcl12k 12288 85 0 85 1 1 0 1 0 8 0 mcl9k 9216 28 0 28 1 1 0 1 0 8 0 mcl8k 8192 253 0 253 3 2 1 1 0 8 1 mcl4k 4096 315 0 315 3 2 1 1 0 8 1 mcl2k2 2112 8 0 8 3 2 1 1 0 8 1 mcl2k 2048 12546 0 12437 28 12 16 26 0 8 1 mtagpl 96 74 0 60 1 0 1 1 0 8 0 mbufpl 256 38260 0 38005 30 11 19 27 0 8 0 bufpl 280 13799 0 6350 533 0 533 533 0 8 0 anonpl 24 481940 0 478866 79 46 33 79 0 187 0 amapchunkpl 152 108788 0 108398 49 29 20 46 0 158 2 amappl16 200 9334 0 9282 39 35 4 16 0 8 0 amappl15 192 18 0 18 1 1 0 1 0 8 0 amappl14 184 248 0 238 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 5306 0 5280 2 0 2 2 0 8 0 amappl11 160 104 0 94 1 0 1 1 0 8 0 amappl10 152 17 0 17 1 1 0 1 0 8 0 amappl9 144 144 0 144 1 1 0 1 0 8 0 amappl8 136 49 0 48 1 0 1 1 0 8 0 amappl7 128 267 0 256 1 0 1 1 0 8 0 amappl6 120 862 0 861 1 0 1 1 0 8 0 amappl5 112 408 0 400 1 0 1 1 0 8 0 amappl4 104 501 0 487 1 0 1 1 0 8 0 amappl3 96 18447 0 18357 4 1 3 4 0 8 0 amappl2 88 1584 0 1527 2 0 2 2 0 8 0 amappl1 80 21764 0 21229 13 1 12 13 0 8 0 amappl 88 26742 0 26601 5 1 4 5 0 92 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 128 254 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 22 0 21 1 0 1 1 0 8 0 aobjpl 72 101 0 38 2 0 2 2 0 8 0 uaddrrnd 24 3611 0 3550 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3611 0 3550 1 0 1 1 0 8 0 vmmpekpl 168 25037 0 24982 3 0 3 3 0 8 0 vmmpepl 168 213886 0 212185 95 14 81 90 0 357 0 vmsppl 344 3610 0 3550 6 0 6 6 0 8 0 rwobjpl 24 62686 0 54373 51 0 51 51 0 8 0 pdppl 4096 7228 0 7133 261 163 98 100 0 8 3 pvpl 32 1673104 0 1664269 368 272 96 368 0 265 0 pmappl 216 3610 0 3550 4 0 4 4 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 625 0 242 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff800030ffc030,ffff80003743fa60,ffff80003743f9b0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80003743fa60) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f39d4be8d0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:718 [inline] ktrops(ffff800030ffc030,ffffffffffffffff,0,80000538,fffffd8078d6fa50,fffffd807f7d7750) at ktrops+0x58 sys/kern/kern_ktrace.c:561 doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:586 [inline] doktrace(fffffd8078d6fa50,4,538,0,ffff800030ffc030) at doktrace+0x6dd sys/kern/kern_ktrace.c:508 sys_ktrace(ffff800030ffc030,ffff80003743fa60,ffff80003743f9b0) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:549 syscall(ffff80003743fa60) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f39d4be8d0, count: -5