uvm_fault(0xfffffd806c0c2448, 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 *438029 726 0 0 0x4000000 0 syz-executor ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a800cf0,ffff80003893f0c0,ffff80003893f010) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003893f0c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e2e679a990, 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(0xfffffd806c0c2448, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a800cf0,ffff80003893f0c0,ffff80003893f010) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003893f0c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e2e679a990, count: -5 ddb> show registers rdi 0xffff80002a800cf0 rsi 0xffffffffffffffff rbp 0xffff80003893ede0 rbx 0xfffffd807f7d7680 rdx 0 rcx 0x80000112 __kernel_virt_to_phys+0x112 rax 0xffff80002a800cf0 r8 0xfffffd806c08ecf0 r9 0xfffffd807f7d7680 r10 0x9c3f65298e36a99d r11 0x11f4522bf51be1d5 r12 0xffff80002a800cf0 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000112 __kernel_virt_to_phys+0x112 rip 0xffffffff824706f8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003893ed60 ss 0x10 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=438029 pid=726 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=0xffff80002a801c50,0xffff80002a8002c0 process=0xffff800035d24d08 user=0xffff80003893a000, vmspace=0xfffffd806c0c2448 estcpu=2, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 30406 285963 72261 -1 2 0x10 syz-executor 30406 315519 72261 -1 3 0x4000090 fsleep syz-executor 726 472627 26259 0 2 0 syz-executor * 726 438029 26259 0 7 0x4000000 syz-executor 1531 405312 30926 0 2 0 syz-executor 1531 292244 30926 0 2 0x4000000 syz-executor 19376 207231 96749 0 2 0 syz-executor 19376 148077 96749 0 3 0x4000080 bell syz-executor 19376 23962 96749 0 3 0x4000080 fsleep syz-executor 76337 235139 78798 0 2 0 syz-executor 76337 47185 78798 0 3 0x4000080 fsleep syz-executor 76337 233789 78798 0 3 0x4000080 fsleep syz-executor 70841 180763 0 0 3 0x14200 bored sosplice 53205 150123 52145 0 2 0x482 syz-executor 30926 456878 52145 0 2 0x482 syz-executor 78798 325518 52145 0 2 0x482 syz-executor 96749 473723 52145 0 2 0x482 syz-executor 26259 34341 52145 0 2 0x482 syz-executor 72261 147283 52145 0 2 0x482 syz-executor 82880 500083 52145 0 2 0x2 syz-executor 51565 126827 52145 0 2 0x2 syz-executor 52145 68332 10644 0 3 0x82 kqread syz-executor 10644 181301 13602 0 3 0x10008a sigsusp ksh 13602 359427 40385 0 3 0x98 kqread sshd-session 40385 161619 14462 0 3 0x92 kqread sshd-session 48508 396395 1 0 3 0x100083 ttyin getty 14462 217099 1 0 3 0x88 kqread sshd 34390 293712 15755 73 3 0x1100090 kqread syslogd 15755 374419 1 0 3 0x100082 sbwait syslogd 95924 275399 1 0 3 0x100080 kqread resolvd 29084 162149 98166 77 3 0x100092 kqread dhcpleased 75784 88661 98166 77 3 0x100092 kqread dhcpleased 98166 517326 1 0 3 0x80 kqread dhcpleased 74221 186068 0 0 3 0x14200 bored smr 15237 86291 0 0 2 0x14200 zerothread 30173 95243 0 0 3 0x14200 aiodoned aiodoned 25409 252456 0 0 3 0x14200 syncer update 63989 5328 0 0 3 0x14200 cleaner cleaner 14481 197665 0 0 3 0x14200 reaper reaper 3208 186753 0 0 3 0x14200 pgdaemon pagedaemon 99280 429439 0 0 3 0x14200 bored viomb 49384 453668 0 0 3 0x40014200 acpi0 acpi0 44397 523273 0 0 3 0x14200 bored softnet3 2962 154221 0 0 3 0x14200 bored softnet2 92067 512393 0 0 3 0x14200 bored softnet1 63470 259735 0 0 3 0x14200 bored softnet0 27375 57599 0 0 3 0x14200 bored systqmp 14838 265533 0 0 3 0x14200 bored systq 71967 214436 0 0 2 0x40014200 softclock 89514 506514 0 0 3 0x40014200 idle0 1 314662 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 10174 11041K 11307K 166960K 11390 0 pcb 17 12K 12K 166960K 35 0 rtable 236 7K 7K 166960K 362 0 pf 31 13K 13K 166960K 36 0 ifaddr 42 7K 7K 166960K 46 0 ifgroup 50 2K 2K 166960K 55 0 sysctl 1 1K 1K 166960K 1 0 counters 30 17K 17K 166960K 32 0 ioctlops 0 0K 4K 166960K 38 0 iov 0 0K 5K 166960K 3 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1336 84K 84K 166960K 1412 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 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 210 0 sigio 0 0K 0K 166960K 5 0 proc 59 59K 124K 166960K 477 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 10 0 in_multi 98 7K 7K 166960K 103 0 ether_multi 1 0K 0K 166960K 2 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 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 204 72K 75K 166960K 3299 0 UVM aobj 5 4K 4K 166960K 5 0 pinsyscall 37 74K 96K 166960K 1240 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 11 0K 2K 166960K 28 0 temp 37 8622K 8686K 166960K 4060 0 kqueue 14 22K 30K 166960K 44 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 44 0 40 1 0 1 1 0 8 0 rtentry 112 115 0 5 4 0 4 4 0 8 0 unpcb 144 79 0 63 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpqe 32 9 0 9 1 0 1 1 0 8 1 tcpcb 808 24 0 17 2 0 2 2 0 8 0 arp 88 18 0 0 1 0 1 1 0 8 0 ipq 40 1 0 1 1 0 1 1 0 8 1 ipqe 40 2 0 2 1 0 1 1 0 8 1 inpcb 344 117 0 107 2 0 2 2 0 8 0 nd6 104 26 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 1 0 1 1 0 1 1 0 8 1 pppxif 1376 1 0 1 1 0 1 1 0 8 1 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 0 1 0 1 1 0 8 0 pfstate 344 1 0 0 1 0 1 1 0 8 0 pfrule 1344 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 475 0 12 30 0 30 30 0 8 0 art_table 32 476 0 12 4 0 4 4 0 8 0 art_node 16 113 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1697 0 197 95 0 95 95 0 8 1 ffsino 248 1697 0 197 95 0 95 95 0 8 1 nchpl 144 1982 0 303 63 0 63 63 0 8 0 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 5956 0 5953 2 0 2 2 0 8 1 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 6434 0 6431 8 0 8 8 1 8 6 plimitpl 152 36 0 19 1 0 1 1 0 8 0 sigapl 424 490 0 445 7 0 7 7 0 8 1 futexpl 64 1219 0 1215 1 0 1 1 0 8 0 knotepl 120 5733 0 5435 10 0 10 10 0 8 0 kqueuepl 184 50 0 40 1 0 1 1 0 8 0 pipepl 296 110 0 83 3 0 3 3 0 8 0 fdescpl 440 473 0 445 5 0 5 5 0 8 1 filepl 120 1864 0 1644 8 0 8 8 0 8 0 lockfpl 104 26 0 23 1 0 1 1 0 8 0 lockfspl 48 12 0 9 1 0 1 1 0 8 0 sessionpl 144 22 0 14 1 0 1 1 0 8 0 pgrppl 48 31 0 15 1 0 1 1 0 8 0 ucredpl 104 170 0 157 1 0 1 1 0 8 0 zombiepl 144 446 0 445 1 0 1 1 0 8 0 processpl 1104 490 0 445 4 0 4 4 0 8 0 procpl 656 613 0 561 6 0 6 6 0 8 0 sockpl 528 241 0 211 3 0 3 3 0 8 0 mcl64k 65536 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 2481 0 2430 12 0 12 12 0 8 4 mcl2k 2048 187 0 185 1 0 1 1 0 8 0 mtagpl 96 8 0 4 1 0 1 1 0 8 0 mbufpl 256 4625 0 4448 12 0 12 12 0 8 0 bufpl 280 2326 0 125 158 0 158 158 0 8 0 anonpl 24 103565 0 100513 23 0 23 23 0 187 3 amapchunkpl 152 10134 0 9682 22 0 22 22 0 158 2 amappl16 200 2057 0 2031 5 0 5 5 0 8 3 amappl15 192 6 0 6 1 0 1 1 0 8 1 amappl14 184 110 0 100 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 0 1 1 0 8 1 amappl12 168 1084 0 1056 3 0 3 3 0 8 1 amappl11 160 43 0 33 1 0 1 1 0 8 0 amappl10 152 17 0 17 1 0 1 1 0 8 1 amappl9 144 246 0 246 1 0 1 1 0 8 1 amappl8 136 39 0 38 1 0 1 1 0 8 0 amappl7 128 92 0 82 1 0 1 1 0 8 0 amappl6 120 190 0 187 1 0 1 1 0 8 0 amappl5 112 112 0 106 1 0 1 1 0 8 0 amappl4 104 282 0 270 1 0 1 1 0 8 0 amappl3 96 1678 0 1574 4 0 4 4 0 8 1 amappl2 88 620 0 565 2 0 2 2 0 8 0 amappl1 80 7893 0 7370 13 0 13 13 0 8 0 amappl 88 2946 0 2791 5 0 5 5 0 92 1 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 24 473 0 445 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 473 0 445 1 0 1 1 0 8 0 vmmpekpl 168 5503 0 5470 2 0 2 2 0 8 0 vmmpepl 168 35701 0 34032 79 0 79 79 0 357 2 vmsppl 360 472 0 445 4 0 4 4 0 8 1 rwobjpl 32 14999 0 12354 22 0 22 22 0 8 0 pdppl 4096 952 0 890 100 34 66 82 0 8 4 pvpl 32 232395 0 223975 76 0 76 76 0 265 3 pmappl 216 472 0 445 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 264 0 34 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a800cf0,ffff80003893f0c0,ffff80003893f010) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003893f0c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e2e679a990, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a800cf0,ffffffffffffffff,0,80000112,fffffd806c08ecf0,fffffd807f7d7680) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c08ecf0,4,112,0,ffff80002a800cf0) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a800cf0,ffff80003893f0c0,ffff80003893f010) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003893f0c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e2e679a990, count: -5