uvm_fault(0xfffffd806d1732f0, 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 *253327 58352 0 0 0x4000000 0 syz-executor ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b3770,ffff80002a7d5530,ffff80002a7d5480) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7d5530) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7d5530) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf012558580, 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(0xfffffd806d1732f0, 0xf, 0, 1) -> e ddb> show kasan No such command ddb> trace ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b3770,ffff80002a7d5530,ffff80002a7d5480) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7d5530) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7d5530) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf012558580, count: -5 ddb> show registers rdi 0xffff80003a4d2000 rsi 0x4e88 __ALIGN_SIZE+0x3e88 rbp 0xffff80002a7d5250 rbx 0xfffffd8007ffd410 rdx 0xffff80003a4d2000 rcx 0x4e87 __ALIGN_SIZE+0x3e87 rax 0xffffffff83336ed3 ktrops+0x43 r8 0xfffffd806b3bbb50 r9 0xfffffd8007ffd410 r10 0x875fb2c0f62fafa6 r11 0x41830adbadcf42ce r12 0xffff80002f0b3770 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80002030 __kernel_virt_to_phys+0x2030 rip 0xffffffff83336ee8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a7d51d0 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=253327 pid=58352 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=74, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c900d18,0xffff80002f0b3cb0 process=0xffff80003c8d9fd0 user=0xffff80002a7d0000, vmspace=0xfffffd806d1732f0 estcpu=24, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 40049 182087 91097 0 2 0x2 0 ifconfig 91097 35308 58848 0 3 0x100002 0x88 sigsusp sh 58352 519834 18811 0 2 0 0xc80 syz-executor *58352 253327 18811 0 7 0 0x4000000 syz-executor 58352 322729 18811 0 3 0 0x4000080 fsleep syz-executor 79608 218375 74844 0 3 0 0x80 nanoslp syz-executor 79608 275108 74844 0 2 0 0x4000000 syz-executor 79608 178925 74844 0 3 0 0x4000000 inode syz-executor 79608 196721 74844 0 3 0 0x4000080 fsleep syz-executor 58848 171688 89960 0 3 0x2 0x80 wait syz-executor 35525 499057 89960 0 3 0x2 0 biowait syz-executor 95811 214271 89960 0 3 0x2 0x80 nanoslp syz-executor 18811 316114 89960 0 3 0x2 0x80 nanoslp syz-executor 74844 132807 89960 0 3 0x2 0x80 nanoslp syz-executor 94630 507776 89960 0 3 0x2 0x80 piperd syz-executor 89960 22644 33237 0 3 0x2 0x80 wait syz-executor 33237 396191 1 0 2 0x100802 0x2008 ksh 62290 270165 1 0 3 0x100803 0x2000 bqwait getty 36715 101325 1 0 3 0x10100802 0x2000 bqwait syslogd 86767 407698 1 0 3 0x100800 0x2000 bqwait resolvd 21502 232342 0 0 3 0x14000 0x200 bored smr 4690 517961 0 0 2 0x14000 0x200 zerothread 71572 29834 0 0 3 0x14000 0x200 aiodoned aiodoned 63852 268364 0 0 3 0x14000 0x200 syncer update 56136 47313 0 0 3 0x14000 0x200 cleaner cleaner 131 460383 0 0 3 0x14000 0x200 reaper reaper 15534 145832 0 0 3 0x14000 0x200 pgdaemon pagedaemon 88411 206810 0 0 3 0x14000 0x200 bored viomb 92888 196916 0 0 3 0x14000 0x40000200 acpi0 acpi0 25902 129904 0 0 3 0x14000 0x200 bored softnet0 68434 192873 0 0 3 0x14000 0x200 smrbar systqmp 87601 480589 0 0 3 0x14000 0x200 bored systq 99173 203405 0 0 3 0x14000 0x40000200 tmoslp softclock 82270 362941 0 0 3 0x14000 0x40000200 idle0 1 477574 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11020 12095K 12133K 166960K 12162 0 pcb 18 13K 14K 166960K 69 0 rtable 229 7K 8K 166960K 533 0 pf 31 13K 17K 166960K 54 0 ifaddr 38 6K 7K 166960K 68 0 ifgroup 46 2K 2K 166960K 74 0 sysctl 2 1K 9K 166960K 6 0 counters 32 17K 17K 166960K 44 0 ioctlops 0 0K 4K 166960K 183 0 iov 0 0K 8K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1295 81K 82K 166960K 1479 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 6 0K 0K 166960K 72 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 13 49K 97K 166960K 264 0 proc 60 51K 124K 166960K 645 0 subproc 72 4K 4K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 4 0 in_multi 88 5K 6K 166960K 154 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 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 439 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 146 102K 160K 166960K 3963 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 22 44K 96K 166960K 1499 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 3 0 NDP 13 0K 2K 166960K 43 0 temp 38 9122K 9170K 166960K 5675 0 kqueue 2 4K 26K 166960K 36 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 48 1 0 1 1 0 8 0 rtentry 136 165 0 67 4 0 4 4 0 8 0 unpcb 144 114 0 111 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 85 0 83 7 0 7 7 0 8 6 arp 96 28 0 12 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 286 0 281 12 3 9 12 0 8 8 nd6 112 38 0 18 1 0 1 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1072 6 0 6 1 0 1 1 0 8 1 pfstscr 40 67 0 2 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 130 0 128 1 0 1 1 0 8 0 pfstkey 128 132 0 66 3 0 3 3 0 8 0 pfstate 384 66 0 1 7 0 7 7 0 8 0 pfrule 1360 2 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 659 0 220 29 0 29 29 0 8 1 art_table 40 660 0 220 5 0 5 5 0 8 0 art_node 32 165 0 66 1 0 1 1 0 8 0 semapl 72 70 0 66 1 0 1 1 0 8 0 shmpl 120 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1722 0 238 93 0 93 93 0 8 0 ffsino 256 1723 0 238 93 0 93 93 0 8 0 nchpl 144 2001 0 287 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 1872 0 0 104 0 104 104 0 8 0 namei 1024 7749 0 7742 3 0 3 3 0 8 1 kstatmem 264 37 0 16 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 8505 0 8440 8 0 8 8 1 8 2 plimitpl 152 43 0 29 1 0 1 1 0 8 0 sigapl 424 552 0 518 6 0 6 6 0 8 1 knotepl 120 4783 0 4764 9 0 9 9 0 8 6 kqueuepl 184 40 0 37 1 0 1 1 0 8 0 pipepl 304 145 0 118 3 0 3 3 0 8 0 fdescpl 448 539 0 519 5 0 5 5 0 8 1 filepl 120 2471 0 2302 15 0 15 15 0 8 6 lockfpl 104 21 0 19 1 0 1 1 0 8 0 lockfspl 48 11 0 9 1 0 1 1 0 8 0 sessionpl 144 31 0 26 1 0 1 1 0 8 0 pgrppl 48 44 0 31 1 0 1 1 0 8 0 ucredpl 104 370 0 360 1 0 1 1 0 8 0 zombiepl 144 522 0 518 1 0 1 1 0 8 0 processpl 1160 552 0 518 4 0 4 4 0 8 0 procpl 664 686 0 647 5 0 5 5 0 8 0 sockpl 552 451 0 441 12 2 10 12 0 8 7 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 2569 0 2517 15 0 15 15 0 8 7 mcl2k 2048 321 0 303 3 0 3 3 0 8 0 mextrefs 64 81 0 63 1 0 1 1 0 8 0 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 5160 0 4966 13 0 13 13 0 8 0 bufpl 272 3717 0 102 241 0 241 241 0 8 0 anonpl 24 104507 0 101762 27 0 27 27 0 187 0 amapchunkpl 152 10993 0 10601 23 0 23 23 0 158 3 amappl16 200 1735 0 1721 5 0 5 5 0 8 2 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 504 0 502 1 0 1 1 0 8 0 amappl13 176 139 0 136 1 0 1 1 0 8 0 amappl12 168 806 0 788 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 0 1 1 0 8 1 amappl10 152 58 0 56 1 0 1 1 0 8 0 amappl9 144 293 0 293 1 0 1 1 0 8 1 amappl8 136 134 0 133 1 0 1 1 0 8 0 amappl7 128 150 0 149 1 0 1 1 0 8 0 amappl6 120 203 0 201 1 0 1 1 0 8 0 amappl5 112 95 0 93 1 0 1 1 0 8 0 amappl4 104 277 0 272 1 0 1 1 0 8 0 amappl3 96 1939 0 1887 3 0 3 3 0 8 0 amappl2 88 650 0 632 2 0 2 2 0 8 0 amappl1 80 11089 0 11003 13 0 13 13 0 8 6 amappl 88 3135 0 3030 4 0 4 4 0 92 0 uvmvnodes 80 98 0 0 2 0 2 2 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 539 0 519 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 539 0 519 1 0 1 1 0 8 0 vmmpekpl 168 6315 0 6270 3 0 3 3 0 8 0 vmmpepl 168 44357 0 43608 82 0 82 82 0 357 22 vmsppl 368 538 0 519 4 0 4 4 0 8 1 rwobjpl 40 15927 0 15532 11 0 11 11 0 8 0 pdppl 4096 1085 0 1038 99 32 67 83 0 8 20 pvpl 32 253998 0 248508 83 0 83 83 0 265 13 pmappl 216 538 0 519 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 615 0 32 17 0 17 17 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b3770,ffff80002a7d5530,ffff80002a7d5480) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7d5530) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7d5530) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf012558580, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b3770,ffffffffffffffff,0,80002030,fffffd806b3bbb50,fffffd8007ffd410) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffffd806b3bbb50,4,2030,0,ffff80002f0b3770) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b3770,ffff80002a7d5530,ffff80002a7d5480) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7d5530) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7d5530) at syscall+0x962 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xaf012558580, count: -5 ddb>