uvm_fault(0xfffffd806c097460, 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 * 18753 65034 0 0 0x4000000 0 syz-executor.2 ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7d8d20,ffff80002a917020,ffff80002a916f70) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a917020) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a917020) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x379ff429fb0, 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(0xfffffd806c097460, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7d8d20,ffff80002a917020,ffff80002a916f70) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a917020) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a917020) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x379ff429fb0, count: -5 ddb> show registers rdi 0xffff80002a7d8d20 rsi 0xffffffffffffffff rbp 0xffff80002a916d40 rbx 0xfffffd8007ffd888 rdx 0 rcx 0x85d3cbf7 __kernel_virt_to_phys+0x5d3cbf7 rax 0x1 r8 0xfffffd807b4c7960 r9 0xfffffd8007ffd888 r10 0xd5a846fc59567a5f r11 0x4bcd7cd97b5fe430 r12 0xffff80002a7d8d20 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x85d3cbf7 __kernel_virt_to_phys+0x5d3cbf7 rip 0xffffffff831c3058 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a916cc0 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor.2) tid=18753 pid=65034 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=58, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7d9250,0xffff80002a7d8800 process=0xffff80002a79d690 user=0xffff80002a912000, vmspace=0xfffffd806c097460 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 92848 389006 67262 0 2 0 syz-executor.7 87452 277037 22227 0 2 0 syz-executor.6 87452 191235 22227 0 2 0x4000000 syz-executor.6 1419 342091 37380 0 2 0 syz-executor.0 1419 253256 37380 0 3 0x4000080 fsleep syz-executor.0 65034 343878 21879 0 2 0 syz-executor.2 *65034 18753 21879 0 7 0x4000000 syz-executor.2 22227 106455 18077 0 3 0x82 nanoslp syz-executor.6 5720 59053 18077 0 2 0x2 syz-executor.3 67262 447681 18077 0 2 0x2 syz-executor.7 33298 185354 18077 0 2 0x2 syz-executor.5 7122 701 18077 0 3 0x82 nanoslp syz-executor.4 21879 23152 18077 0 3 0x82 nanoslp syz-executor.2 59341 480974 18077 0 2 0x2 syz-executor.1 37380 363177 18077 0 3 0x82 nanoslp syz-executor.0 18077 477847 66140 0 3 0x82 wait syz-execprog 18077 247410 66140 0 3 0x4000082 nanoslp syz-execprog 18077 510457 66140 0 3 0x4000082 wait syz-execprog 18077 52018 66140 0 3 0x4000082 wait syz-execprog 18077 269158 66140 0 3 0x4000082 wait syz-execprog 18077 331852 66140 0 3 0x4000082 thrsleep syz-execprog 18077 199612 66140 0 3 0x4000082 wait syz-execprog 18077 468556 66140 0 3 0x4000082 wait syz-execprog 18077 270192 66140 0 3 0x4000082 thrsleep syz-execprog 18077 370030 66140 0 3 0x4000082 thrsleep syz-execprog 18077 160354 66140 0 3 0x4000082 wait syz-execprog 18077 517692 66140 0 3 0x4000082 wait syz-execprog 18077 196376 66140 0 3 0x4000082 kqread syz-execprog 66140 64363 32471 0 3 0x10008a sigsusp ksh 32471 388166 51888 0 3 0x98 kqread sshd-session 51888 321920 26105 0 3 0x92 kqread sshd-session 97092 266229 1 0 3 0x100083 ttyin getty 26105 363281 1 0 3 0x88 kqread sshd 63073 363429 40045 73 3 0x1100090 kqread syslogd 40045 20566 1 0 3 0x100082 sbwait syslogd 34167 58625 1 0 3 0x100080 kqread resolvd 96573 421130 90171 77 3 0x100092 kqread dhcpleased 47617 329170 90171 77 3 0x100092 kqread dhcpleased 90171 119736 1 0 3 0x80 kqread dhcpleased 29148 5826 0 0 3 0x14200 bored smr 93364 211481 0 0 2 0x14200 zerothread 21157 308117 0 0 3 0x14200 aiodoned aiodoned 90277 173695 0 0 3 0x14200 syncer update 95930 309859 0 0 3 0x14200 cleaner cleaner 62394 12357 0 0 3 0x14200 reaper reaper 29684 298108 0 0 3 0x14200 pgdaemon pagedaemon 45964 313991 0 0 3 0x14200 bored viomb 20024 365784 0 0 3 0x40014200 acpi0 acpi0 54162 336139 0 0 3 0x14200 bored softnet0 53405 325565 0 0 3 0x14200 bored systqmp 51147 77346 0 0 3 0x14200 bored systq 94983 243549 0 0 3 0x40014200 tmoslp softclock 26534 301641 0 0 3 0x40014200 idle0 1 254478 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 11027 12102K 12119K 166960K 12114 0 pcb 17 12K 12K 166960K 17 0 rtable 237 6K 6K 166960K 381 0 pf 30 12K 12K 166960K 33 0 ifaddr 42 7K 7K 166960K 48 0 ifgroup 50 2K 2K 166960K 55 0 sysctl 1 1K 9K 166960K 5 0 counters 33 17K 17K 166960K 34 0 ioctlops 0 0K 2K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1215 76K 77K 166960K 1280 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 77K 166960K 197 0 proc 57 58K 75K 166960K 523 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 99 7K 7K 166960K 110 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 453 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 244 145K 199K 166960K 4621 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 37 74K 104K 166960K 1706 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 15 0K 2K 166960K 30 0 temp 1 9100K 9180K 166960K 8462 0 kqueue 13 20K 20K 166960K 64 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 37 0 34 1 0 1 1 0 8 0 rtentry 136 122 0 12 4 0 4 4 0 8 0 unpcb 144 103 0 88 1 0 1 1 0 8 0 syncache 336 15 0 15 1 0 1 1 0 8 1 tcpcb 736 18 0 15 1 0 1 1 0 8 0 arp 96 20 0 2 1 0 1 1 0 8 0 inpcb 328 72 0 66 1 0 1 1 0 8 0 nd6 112 27 0 3 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 501 0 48 29 0 29 29 0 8 0 art_table 40 502 0 48 5 0 5 5 0 8 0 art_node 32 122 0 22 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1715 0 219 94 0 94 94 0 8 0 ffsino 256 1715 0 219 94 0 94 94 0 8 0 nchpl 144 2086 0 299 67 0 67 67 0 8 0 vnodes 216 1724 0 0 96 0 96 96 0 8 0 namei 1024 8079 0 8076 3 0 3 3 0 8 2 kstatmem 264 25 0 2 2 0 2 2 0 8 0 scxspl 216 13898 0 13898 8 0 8 8 1 8 8 plimitpl 152 70 0 54 1 0 1 1 0 8 0 sigapl 424 576 0 536 6 0 6 6 0 8 1 knotepl 120 5998 0 5919 4 0 4 4 0 8 0 kqueuepl 184 60 0 51 1 0 1 1 0 8 0 pipepl 304 217 0 189 3 0 3 3 0 8 0 fdescpl 448 563 0 536 4 0 4 4 0 8 0 filepl 120 2477 0 2339 5 0 5 5 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 46 0 30 1 0 1 1 0 8 0 pgrppl 48 46 0 30 1 0 1 1 0 8 0 ucredpl 104 231 0 220 1 0 1 1 0 8 0 zombiepl 144 537 0 536 1 0 1 1 0 8 0 processpl 1152 576 0 536 4 0 4 4 0 8 0 procpl 664 652 0 597 6 0 6 6 0 8 0 sockpl 552 212 0 188 2 0 2 2 0 8 0 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 9104 0 9045 25 9 16 21 0 8 8 mcl2k 2048 196 0 196 1 0 1 1 0 8 1 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 13375 0 13216 11 0 11 11 0 8 1 bufpl 280 8339 0 2058 449 0 449 449 0 8 0 anonpl 24 199999 0 195219 59 0 59 59 0 186 23 amapchunkpl 152 13466 0 12894 29 0 29 29 0 158 3 amappl16 200 4073 0 3953 10 0 10 10 0 8 0 amappl15 192 97 0 96 1 0 1 1 0 8 0 amappl14 184 473 0 471 1 0 1 1 0 8 0 amappl13 176 323 0 311 2 0 2 2 0 8 0 amappl12 168 868 0 842 2 0 2 2 0 8 0 amappl11 160 12 0 11 1 0 1 1 0 8 0 amappl10 152 151 0 132 1 0 1 1 0 8 0 amappl9 144 1076 0 1075 1 0 1 1 0 8 0 amappl8 136 199 0 173 1 0 1 1 0 8 0 amappl7 128 275 0 262 2 0 2 2 0 8 0 amappl6 120 229 0 227 1 0 1 1 0 8 0 amappl5 112 207 0 200 1 0 1 1 0 8 0 amappl4 104 545 0 521 2 0 2 2 0 8 1 amappl3 96 1996 0 1903 3 0 3 3 0 8 0 amappl2 88 1231 0 1172 5 0 5 5 0 8 3 amappl1 80 25131 0 24570 24 5 19 23 0 8 6 amappl 88 3392 0 3235 5 0 5 5 0 92 0 uvmvnodes 80 117 0 0 3 0 3 3 0 8 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 563 0 536 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 563 0 536 1 0 1 1 0 8 0 vmmpekpl 168 14141 0 14091 3 0 3 3 0 8 0 vmmpepl 168 78826 0 77042 123 0 123 123 0 357 37 vmsppl 368 562 0 536 3 0 3 3 0 8 0 rwobjpl 40 32186 0 31100 19 0 19 19 0 8 3 pdppl 4096 1132 0 1072 116 50 66 72 0 8 6 pvpl 32 599126 0 588918 443 138 305 443 0 265 213 pmappl 216 562 0 536 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 390 0 59 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7d8d20,ffff80002a917020,ffff80002a916f70) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a917020) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a917020) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x379ff429fb0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7d8d20,ffffffffffffffff,0,85d3cbf7,fffffd807b4c7960,fffffd8007ffd888) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd807b4c7960,4,85d3cbf7,0,ffff80002a7d8d20) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7d8d20,ffff80002a917020,ffff80002a916f70) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a917020) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a917020) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x379ff429fb0, count: -5