login: uvm_fault(0xfffffd806c04f888, 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 *455134 34509 0 0 0x4000000 0 syz-executor ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003813ea78,ffff80003c98b6c0,ffff80003c98b610) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c98b6c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b7d204eb00, 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(0xfffffd806c04f888, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003813ea78,ffff80003c98b6c0,ffff80003c98b610) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c98b6c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b7d204eb00, count: -5 ddb> show registers rdi 0xffff80003813ea78 rsi 0xffffffffffffffff rbp 0xffff80003c98b3e0 rbx 0xfffffd807f7d7138 rdx 0 rcx 0x80000100 __kernel_virt_to_phys+0x100 rax 0xffff80003813ea78 r8 0xfffffd8067ffebf8 r9 0xfffffd807f7d7138 r10 0xfedd3e501235dec9 r11 0xb80f2d316021d82f r12 0xffff80003813ea78 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000100 __kernel_virt_to_phys+0x100 rip 0xffffffff824706f8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c98b360 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=455134 pid=34509 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=0xffff80003813ef98,0xffff80003813e7f8 process=0xffff8000339259f8 user=0xffff80003c986000, vmspace=0xfffffd806c04f888 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 34509 53692 58341 0 2 0 syz-executor *34509 455134 58341 0 7 0x4000000 syz-executor 34509 79667 58341 0 3 0x4000080 fsleep syz-executor 33197 311015 39842 0 2 0 syz-executor 33197 231199 39842 0 3 0x4000080 kqread syz-executor 33197 333120 39842 0 3 0x4000080 kqread syz-executor 90804 442042 59099 0 3 0x80 nanoslp syz-executor 90804 255204 59099 0 3 0x4000080 lockf syz-executor 90804 116022 59099 0 3 0x4000080 fsleep syz-executor 54224 149982 33103 0 3 0x80 nanoslp syz-executor 54224 278461 33103 0 3 0x4000080 ttyin syz-executor 54224 222045 33103 0 3 0x4000080 fsleep syz-executor 76363 415062 51492 0 3 0x80 nanoslp syz-executor 76363 353703 51492 0 3 0x4000080 fifor syz-executor 76363 120655 51492 0 3 0x4000080 fsleep syz-executor 33223 471574 18246 0 3 0x80 nanoslp syz-executor 33223 435760 18246 0 3 0x4000080 kqread syz-executor 33223 281033 18246 0 3 0x4000080 fsleep syz-executor 16230 51299 1 0 3 0x100083 ttyin getty 48783 272447 0 0 3 0x14200 acct acct 33103 84686 3032 0 3 0x82 nanoslp syz-executor 34776 199356 0 0 3 0x14280 nfsidl nfsio 66082 490750 0 0 3 0x14280 nfsidl nfsio 45192 466657 0 0 3 0x14280 nfsidl nfsio 94765 193075 0 0 3 0x14280 nfsidl nfsio 80701 191478 0 0 3 0x14280 nfsidl nfsio 93509 24332 0 0 3 0x14280 nfsidl nfsio 72702 219100 0 0 3 0x14280 nfsidl nfsio 69628 76144 0 0 3 0x14280 nfsidl nfsio 75351 147479 0 0 3 0x14280 nfsidl nfsio 49339 328624 0 0 3 0x14280 nfsidl nfsio 1252 450309 0 0 3 0x14280 nfsidl nfsio 99251 229025 0 0 3 0x14280 nfsidl nfsio 95356 13984 0 0 3 0x14280 nfsidl nfsio 61571 275461 0 0 3 0x14280 nfsidl nfsio 19243 277140 0 0 3 0x14280 nfsidl nfsio 5787 155842 0 0 3 0x14280 nfsidl nfsio 57917 463849 0 0 3 0x14280 nfsidl nfsio 58466 439900 0 0 3 0x14280 nfsidl nfsio 3549 36803 0 0 3 0x14280 nfsidl nfsio 68930 282968 0 0 3 0x14280 nfsidl nfsio 42687 359909 0 0 3 0x14200 bored sosplice 18246 156939 3032 0 3 0x82 nanoslp syz-executor 51492 336812 3032 0 3 0x82 nanoslp syz-executor 59099 70585 3032 0 3 0x82 nanoslp syz-executor 50142 202342 3032 0 2 0x2 syz-executor 58341 404164 3032 0 3 0x82 nanoslp syz-executor 16334 99118 3032 0 3 0x82 wait syz-executor 39842 429275 3032 0 3 0x82 nanoslp syz-executor 3032 272221 11013 0 2 0x2 syz-executor 11013 306102 85819 0 3 0x10008a sigsusp ksh 85819 336594 74630 0 3 0x98 kqread sshd-session 74630 78165 52233 0 3 0x92 kqread sshd-session 52233 153595 1 0 3 0x88 kqread sshd 2241 320552 39081 73 3 0x1100090 kqread syslogd 39081 189202 1 0 3 0x100082 sbwait syslogd 83243 200857 1 0 3 0x100080 kqread resolvd 15999 257942 6493 77 3 0x100092 kqread dhcpleased 88703 404902 6493 77 3 0x100092 kqread dhcpleased 6493 183985 1 0 3 0x80 kqread dhcpleased 24645 274090 0 0 3 0x14200 bored smr 85459 71581 0 0 2 0x14200 zerothread 72249 140710 0 0 3 0x14200 aiodoned aiodoned 9196 352135 0 0 3 0x14200 syncer update 27468 40240 0 0 3 0x14200 cleaner cleaner 23682 74115 0 0 3 0x14200 reaper reaper 53267 354003 0 0 3 0x14200 pgdaemon pagedaemon 41887 171878 0 0 3 0x14200 bored viomb 86049 282916 0 0 3 0x40014200 acpi0 acpi0 24580 441367 0 0 3 0x14200 bored softnet3 32563 216480 0 0 3 0x14200 bored softnet2 19645 20208 0 0 3 0x14200 bored softnet1 58376 147878 0 0 3 0x14200 bored softnet0 71496 278417 0 0 3 0x14200 bored systqmp 22021 170838 0 0 3 0x14200 bored systq 89111 148498 0 0 3 0x40014200 tmoslp softclock 4651 200651 0 0 3 0x40014200 idle0 1 461507 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 10247 11085K 11506K 166960K 13121 0 pcb 20 14K 16K 166960K 162 0 rtable 173 6K 8K 166960K 872 0 pf 33 13K 16K 166960K 104 0 ifaddr 35 6K 8K 166960K 85 0 ifgroup 50 2K 2K 166960K 124 0 sysctl 3 1K 1K 166960K 7 0 counters 30 17K 18K 166960K 64 0 ioctlops 0 0K 4K 166960K 226 0 iov 1 12K 18K 166960K 84 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1430 90K 90K 166960K 2179 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 29 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1056 0 sigio 0 0K 0K 166960K 55 0 proc 61 59K 91K 166960K 632 0 subproc 72 4K 4K 166960K 82 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 137 0 in_multi 73 5K 7K 166960K 153 0 ether_multi 1 0K 0K 166960K 11 0 mrt 1 0K 0K 166960K 6 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 515 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 226 72K 86K 166960K 10793 0 UVM aobj 19 2K 2K 166960K 21 0 pinsyscall 38 76K 91K 166960K 2105 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 68 0 NDP 11 0K 2K 166960K 55 0 temp 76 8636K 8996K 166960K 32449 0 kqueue 17 28K 32K 166960K 179 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 120 221 0 218 3 0 3 3 0 8 2 rtentry 112 348 0 273 4 0 4 4 0 8 0 unpcb 144 973 0 954 4 0 4 4 0 8 3 syncache 336 6 0 6 2 1 1 1 0 8 1 tcpcb 808 570 0 566 20 11 9 14 0 8 8 arp 88 90 0 73 1 0 1 1 0 8 0 ipq 40 10 0 1 1 0 1 1 0 8 0 ipqe 40 63 0 50 1 0 1 1 0 8 0 inpcb 344 1208 0 1192 19 10 9 13 0 8 7 nd6 104 33 0 14 1 0 1 1 0 8 0 pkpcb 40 11 0 11 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 0 1 1 0 8 1 ppxss 1072 24 0 24 1 0 1 1 0 8 1 pppxif 1376 6 0 6 1 0 1 1 0 8 1 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfqueue 320 33 0 33 1 0 1 1 0 8 1 pfstitem 24 4 0 0 1 0 1 1 0 8 0 pfstkey 128 6 0 2 1 0 1 1 0 8 0 pfstate 344 3 0 1 1 0 1 1 0 8 0 pfrule 1344 10 0 10 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 703 0 350 30 0 30 30 0 8 7 art_table 32 704 0 350 4 0 4 4 0 8 0 art_node 16 277 0 211 1 0 1 1 0 8 0 sysvmsgpl 40 83 0 75 2 1 1 1 0 8 0 semapl 112 27 0 17 1 0 1 1 0 8 0 shmpl 112 18 0 2 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3154 0 1660 95 0 95 95 0 8 0 ffsino 248 3154 0 1660 95 0 95 95 0 8 0 nchpl 144 4660 0 4123 63 33 30 63 0 8 8 rtmask 32 1 0 1 1 0 1 1 0 8 1 uvmvnodes 80 3836 0 0 79 0 79 79 0 8 0 vnodes 216 3836 0 0 214 0 214 214 0 8 0 namei 1024 15775 0 15775 2 1 1 1 0 8 1 kstatmem 264 72 0 50 3 0 3 3 0 8 1 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 14092 0 14092 10 2 8 8 1 8 8 plimitpl 152 402 0 382 1 0 1 1 0 8 0 sigapl 424 1347 0 1280 8 0 8 8 0 8 0 futexpl 64 14808 0 14803 1 0 1 1 0 8 0 knotepl 120 36447 0 36145 13 3 10 13 0 8 0 kqueuepl 184 320 0 304 3 2 1 3 0 8 0 pipepl 296 260 0 233 8 5 3 8 0 8 0 fdescpl 440 1306 0 1277 5 1 4 5 0 8 0 filepl 120 8400 0 8101 15 3 12 13 0 8 2 lockfpl 104 549 0 544 2 0 2 2 0 8 1 lockfspl 48 123 0 119 1 0 1 1 0 8 0 sessionpl 144 23 0 15 1 0 1 1 0 8 0 pgrppl 48 55 0 39 1 0 1 1 0 8 0 ucredpl 104 1236 0 1223 1 0 1 1 0 8 0 zombiepl 144 1281 0 1280 1 0 1 1 0 8 0 processpl 1104 1347 0 1280 5 0 5 5 0 8 0 procpl 656 2683 0 2604 8 0 8 8 0 8 0 sosppl 168 9 0 8 1 0 1 1 0 8 0 sockpl 528 2432 0 2395 15 5 10 12 0 8 7 mcl64k 65536 12 0 12 1 0 1 1 0 8 1 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 104 0 104 2 1 1 1 0 8 1 mcl4k 4096 3658 0 3606 16 8 8 15 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 1584 0 1571 3 0 3 3 0 8 1 mtagpl 96 130 0 86 4 1 3 3 0 8 0 mbufpl 256 17744 0 17527 190 164 26 188 0 8 8 bufpl 280 4171 0 135 289 0 289 289 0 8 0 anonpl 24 197794 0 194493 48 3 45 45 0 187 20 amapchunkpl 152 35711 0 35186 31 1 30 30 0 158 7 amappl16 200 3528 0 3491 22 11 11 15 0 8 8 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 109 0 99 1 0 1 1 0 8 0 amappl13 176 8 0 7 1 0 1 1 0 8 0 amappl12 168 1931 0 1902 2 0 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 11 0 11 2 1 1 1 0 8 1 amappl9 144 243 0 243 1 1 0 1 0 8 0 amappl8 136 24 0 23 1 0 1 1 0 8 0 amappl7 128 101 0 91 1 0 1 1 0 8 0 amappl6 120 185 0 180 1 0 1 1 0 8 0 amappl5 112 121 0 114 1 0 1 1 0 8 0 amappl4 104 293 0 277 1 0 1 1 0 8 0 amappl3 96 7139 0 7019 4 0 4 4 0 8 0 amappl2 88 635 0 579 2 0 2 2 0 8 0 amappl1 80 10288 0 9766 13 1 12 12 0 8 1 amappl 88 10371 0 10193 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 8 0 8 2 1 1 1 0 8 1 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 20 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1306 0 1277 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1306 0 1277 1 0 1 1 0 8 0 vmmpekpl 168 11029 0 10990 3 0 3 3 0 8 0 vmmpepl 168 82008 0 80237 90 0 90 90 0 357 10 vmsppl 360 1305 0 1277 4 1 3 4 0 8 0 rwobjpl 32 26492 0 21760 39 0 39 39 0 8 0 pdppl 4096 2618 0 2554 98 32 66 78 0 8 2 pvpl 32 566842 0 557379 118 0 118 118 0 265 31 pmappl 216 1305 0 1277 2 0 2 2 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 470 0 220 12 0 12 12 0 8 1 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003813ea78,ffff80003c98b6c0,ffff80003c98b610) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c98b6c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b7d204eb00, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80003813ea78,ffffffffffffffff,0,80000100,fffffd8067ffebf8,fffffd807f7d7138) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd8067ffebf8,4,100,0,ffff80003813ea78) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80003813ea78,ffff80003c98b6c0,ffff80003c98b610) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c98b6c0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b7d204eb00, count: -5