uvm_fault(0xfffff1807f237b80, 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 *275632 52062 0 0x10 0x4000000 0 syz-executor ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7367d0,ffff80002a7b3930,ffff80002a7b3880) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b3930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b3930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x52fcb9c4060, 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(0xfffff1807f237b80, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7367d0,ffff80002a7b3930,ffff80002a7b3880) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b3930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b3930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x52fcb9c4060, count: -5 ddb> show registers rdi 0xffff800035cd0000 rsi 0x210d __ALIGN_SIZE+0x110d rbp 0xffff80002a7b3650 rbx 0xfffff18007ffd820 rdx 0xffff800035cd0000 rcx 0x210c __ALIGN_SIZE+0x110c rax 0xffffffff831f4833 ktrops+0x43 r8 0xfffff1806e30da40 r9 0xfffff18007ffd820 r10 0xcc0df1a9d20aa8a7 r11 0xed6e2b7473c6ab6b r12 0xffff80002a7367d0 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000510 __kernel_virt_to_phys+0x510 rip 0xffffffff831f4848 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a7b35d0 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=275632 pid=52062 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a737230,0xffff80002a7362b0 process=0xffff8000318b9b18 user=0xffff80002a7ae000, vmspace=0xfffff1807f237b80 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 37754 264693 32348 0 2 0 syz-executor 37754 276222 32348 0 3 0x4000080 fsleep syz-executor 31784 457065 94700 0 2 0 syz-executor 31784 106452 94700 0 3 0x4000080 kqread syz-executor 31784 227991 94700 0 3 0x4000080 kqread syz-executor 52062 185215 56157 0 2 0x10 syz-executor *52062 275632 56157 0 7 0x4000010 syz-executor 36082 521514 49307 0 2 0x82000 syz-executor 36082 167212 49307 0 4 0x4082000 syz-executor 36082 46896 49307 0 3 0x4002000 suspend syz-executor 94700 353690 99929 0 3 0x82 nanoslp syz-executor 30376 310477 273 0 2 0 syz-executor 30376 66967 273 0 3 0x4000080 fsleep syz-executor 58457 196958 1 0 3 0x82 nanoslp getty 23581 297040 24615 0 2 0xc80 syz-executor 23581 183998 24615 0 3 0x4000080 lockf syz-executor 23581 219532 24615 0 3 0x4000080 fsleep syz-executor 49307 366304 99929 0 2 0xc82 syz-executor 56157 92051 99929 0 2 0xc82 syz-executor 24615 465154 99929 0 2 0xc82 syz-executor 273 64793 99929 0 2 0xc82 syz-executor 5645 33323 99929 0 3 0x82 wait syz-executor 32348 55971 99929 0 2 0xc82 syz-executor 22692 30820 99929 0 2 0x2 syz-executor 99929 505617 1 0 3 0x82 kqread syz-executor 97081 130539 0 0 3 0x14200 bored smr 7109 454299 0 0 2 0x14200 zerothread 43868 489104 0 0 3 0x14200 aiodoned aiodoned 82715 518854 0 0 3 0x14200 syncer update 60240 412909 0 0 3 0x14200 cleaner cleaner 64320 233841 0 0 3 0x14200 reaper reaper 65402 210357 0 0 3 0x14200 pgdaemon pagedaemon 28999 369923 0 0 3 0x14200 bored viomb 20322 172276 0 0 3 0x40014200 acpi0 acpi0 63533 355491 0 0 3 0x14200 bored softnet0 36312 469214 0 0 3 0x14200 smrbar systqmp 53103 277723 0 0 3 0x14200 bored systq 78440 372641 0 0 3 0x40014200 tmoslp softclock 64808 397406 0 0 3 0x40014200 idle0 1 471579 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 11041 12184K 12395K 166960K 12333 0 pcb 17 12K 12K 166960K 46 0 rtable 245 7K 7K 166960K 405 0 pf 38 14K 15K 166960K 55 0 ifaddr 46 8K 8K 166960K 62 0 ifgroup 64 2K 2K 166960K 85 0 sysctl 1 1K 9K 166960K 5 0 counters 38 18K 18K 166960K 48 0 ioctlops 0 0K 4K 166960K 69 0 iov 0 0K 16K 166960K 10 0 mount 1 1K 1K 166960K 1 0 log 1 0K 0K 166960K 5 0 vnodes 1297 82K 82K 166960K 1492 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 8 0K 0K 166960K 9 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 61K 89K 166960K 275 0 sigio 0 0K 0K 166960K 2 0 proc 20 25K 83K 166960K 544 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 20 0 in_multi 100 7K 7K 166960K 117 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 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 397 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 133 82K 160K 166960K 3989 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 19 38K 92K 166960K 1418 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 12 0 NDP 16 0K 2K 166960K 39 0 temp 42 9108K 9113K 166960K 6472 0 kqueue 4 8K 24K 166960K 47 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 47 0 47 1 0 1 1 0 8 1 rtentry 136 129 0 17 4 0 4 4 0 8 0 unpcb 144 228 0 226 6 0 6 6 0 8 5 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 141 0 140 7 0 7 7 0 8 6 arp 96 21 0 3 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 328 266 0 264 7 0 7 7 0 8 6 nd6 112 28 0 3 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 mppekey 1024 1 0 0 1 0 1 1 0 8 0 ppxss 1072 9 0 7 1 0 1 1 0 8 0 pppxif 1416 3 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 523 0 52 30 0 30 30 0 8 0 art_table 40 524 0 52 5 0 5 5 0 8 0 art_node 32 129 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 72 7 0 1 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1803 0 339 92 0 92 92 0 8 0 ffsino 256 1803 0 339 92 0 92 92 0 8 0 nchpl 144 2185 0 479 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 1957 0 0 109 0 109 109 0 8 0 namei 1024 6632 0 6632 2 0 2 2 0 8 2 kstatmem 264 43 0 14 3 0 3 3 0 8 1 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 7055 0 7055 4 0 4 4 1 8 4 plimitpl 152 45 0 34 1 0 1 1 0 8 0 sigapl 424 573 0 541 6 0 6 6 0 8 1 knotepl 120 7378 0 7357 9 0 9 9 0 8 7 kqueuepl 184 64 0 59 1 0 1 1 0 8 0 pipepl 304 132 0 105 3 0 3 3 0 8 0 fdescpl 448 560 0 541 5 0 5 5 0 8 1 filepl 120 2456 0 2288 13 0 13 13 0 8 6 lockfpl 104 77 0 74 1 0 1 1 0 8 0 lockfspl 48 34 0 32 1 0 1 1 0 8 0 sessionpl 144 29 0 27 1 0 1 1 0 8 0 pgrppl 48 39 0 29 1 0 1 1 0 8 0 ucredpl 104 241 0 237 1 0 1 1 0 8 0 zombiepl 144 542 0 541 1 0 1 1 0 8 0 processpl 1152 573 0 541 4 0 4 4 0 8 0 procpl 664 760 0 719 5 0 5 5 0 8 0 sockpl 552 545 0 541 17 8 9 17 0 8 8 mcl64k 65536 5 0 5 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 7 0 7 1 0 1 1 0 8 1 mcl4k 4096 2631 0 2578 13 0 13 13 0 8 6 mcl2k 2048 231 0 229 1 0 1 1 0 8 0 mtagpl 96 7 0 5 1 0 1 1 0 8 0 mbufpl 256 5463 0 5310 11 0 11 11 0 8 0 bufpl 272 2489 0 103 160 0 160 160 0 8 0 anonpl 24 89606 0 88022 22 0 22 22 0 187 7 amapchunkpl 152 11410 0 11055 20 0 20 20 0 158 3 amappl16 200 1179 0 1162 4 0 4 4 0 8 1 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 425 0 425 1 0 1 1 0 8 1 amappl13 176 126 0 125 1 0 1 1 0 8 0 amappl12 168 801 0 783 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 0 1 1 0 8 1 amappl10 152 60 0 60 1 0 1 1 0 8 1 amappl9 144 271 0 271 1 0 1 1 0 8 1 amappl8 136 98 0 98 1 0 1 1 0 8 1 amappl7 128 186 0 184 1 0 1 1 0 8 0 amappl6 120 248 0 247 1 0 1 1 0 8 0 amappl5 112 90 0 90 1 0 1 1 0 8 1 amappl4 104 265 0 263 1 0 1 1 0 8 0 amappl3 96 2247 0 2168 3 0 3 3 0 8 0 amappl2 88 559 0 552 2 0 2 2 0 8 0 amappl1 80 10779 0 10660 13 0 13 13 0 8 6 amappl 88 3260 0 3143 4 0 4 4 0 92 0 uvmvnodes 80 100 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 560 0 541 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 560 0 541 1 0 1 1 0 8 0 vmmpekpl 168 6302 0 6262 2 0 2 2 0 8 0 vmmpepl 168 43691 0 42856 80 0 80 80 0 357 37 vmsppl 368 559 0 541 4 0 4 4 0 8 1 rwobjpl 40 14944 0 14531 11 0 11 11 0 8 1 pdppl 4096 1126 0 1082 96 30 66 78 0 8 22 pvpl 32 245162 0 240724 76 0 76 76 0 265 33 pmappl 216 559 0 541 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 525 0 30 15 0 15 15 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7367d0,ffff80002a7b3930,ffff80002a7b3880) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b3930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b3930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x52fcb9c4060, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a7367d0,ffffffffffffffff,0,80000510,fffff1806e30da40,fffff18007ffd820) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1806e30da40,4,510,0,ffff80002a7367d0) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a7367d0,ffff80002a7b3930,ffff80002a7b3880) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a7b3930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a7b3930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x52fcb9c4060, count: -5 ddb>