uvm_fault(0xfffffd8079349010, 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 *442345 37465 0 0 0x4000000 0 syz-executor ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7e27c8,ffff80002ccfb030,ffff80002ccfaf80) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002ccfb030) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002ccfb030) at syscall+0x97e sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xedb0732040, 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(0xfffffd8079349010, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7e27c8,ffff80002ccfb030,ffff80002ccfaf80) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002ccfb030) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002ccfb030) at syscall+0x97e sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xedb0732040, count: -5 ddb> show registers rdi 0xffff80002a7e27c8 rsi 0xffffffffffffffff rbp 0xffff80002ccfad50 rbx 0xfffffd8007bfb7b8 rdx 0 rcx 0x80000112 __kernel_virt_to_phys+0x112 rax 0xffff80002a7e27c8 r8 0xfffffd806c6cb448 r9 0xfffffd8007bfb7b8 r10 0x2a38434a2fd81d8e r11 0x7d10ed5c209800c8 r12 0xffff80002a7e27c8 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000112 __kernel_virt_to_phys+0x112 rip 0xffffffff81e65b08 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002ccfacd0 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=442345 pid=37465 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=53, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7f1730,0xffff80002a7e2a68 process=0xffff800033915238 user=0xffff80002ccf6000, vmspace=0xfffffd8079349010 estcpu=3, cpticks=0, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 18995 265238 27593 0 2 0 syz-executor 18995 518937 27593 0 2 0x4000000 syz-executor 37465 151063 57190 0 2 0xc80 syz-executor 37465 479376 57190 0 3 0x4000080 ttyin syz-executor *37465 442345 57190 0 7 0x4000000 syz-executor 37465 272676 57190 0 2 0x4000000 syz-executor 37756 16778 0 0 3 0x14200 bored sosplice 86505 30912 43749 0 2 0x2 syz-executor 27593 69962 43749 0 3 0x82 nanoslp syz-executor 57190 350718 43749 0 2 0xc82 syz-executor 6396 343096 43749 0 2 0x2 syz-executor 27611 376835 43749 0 2 0x2 syz-executor 38495 188516 43749 0 2 0x2 syz-executor 11561 204778 43749 0 3 0x82 nanoslp syz-executor 72728 419562 43749 0 2 0x2 syz-executor 43749 18564 86013 0 3 0x82 kqread syz-executor 86013 159080 41413 0 3 0x10008a sigsusp ksh 41413 354627 2141 0 3 0x98 kqread sshd-session 2141 70128 45181 0 3 0x92 kqread sshd-session 44412 205648 1 0 3 0x100083 ttyin getty 45181 339342 1 0 3 0x88 kqread sshd 82072 337135 36653 73 3 0x1100090 kqread syslogd 36653 275224 1 0 3 0x100082 sbwait syslogd 41165 156251 1 0 3 0x100080 kqread resolvd 1740 171307 26710 77 3 0x100092 kqread dhcpleased 10742 189409 26710 77 3 0x100092 kqread dhcpleased 26710 267343 1 0 3 0x80 kqread dhcpleased 50278 32125 0 0 3 0x14200 bored smr 40901 96903 0 0 2 0x14200 zerothread 67874 79229 0 0 3 0x14200 aiodoned aiodoned 88943 352873 0 0 3 0x14200 syncer update 48908 48347 0 0 3 0x14200 cleaner cleaner 91798 497606 0 0 3 0x14200 reaper reaper 72193 140925 0 0 3 0x14200 pgdaemon pagedaemon 6715 63618 0 0 3 0x14200 bored viomb 77287 145717 0 0 3 0x40014200 acpi0 acpi0 77460 142870 0 0 3 0x14200 bored softnet3 20626 422509 0 0 3 0x14200 bored softnet2 47746 17934 0 0 3 0x14200 bored softnet1 87317 166523 0 0 3 0x14200 bored softnet0 42112 76339 0 0 3 0x14200 bored systqmp 63338 450028 0 0 3 0x14200 bored systq 42526 413184 0 0 3 0x40014200 tmoslp softclock 72506 169776 0 0 3 0x40014200 idle0 1 91453 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 10173 11043K 11345K 166960K 11347 0 pcb 17 12K 12K 166960K 34 0 rtable 249 7K 7K 166960K 383 0 pf 30 12K 14K 166960K 39 0 ifaddr 42 7K 7K 166960K 47 0 ifgroup 50 2K 2K 166960K 63 0 sysctl 1 1K 9K 166960K 5 0 counters 32 17K 18K 166960K 35 0 ioctlops 0 0K 4K 166960K 39 0 iov 0 0K 0K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1345 85K 85K 166960K 1396 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 5 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 13 45K 89K 166960K 171 0 proc 59 59K 91K 166960K 478 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 3 0 in_multi 99 7K 7K 166960K 100 0 ether_multi 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 346 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 190 142K 152K 166960K 3016 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 34 68K 98K 166960K 1193 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 29 0 temp 36 8662K 8726K 166960K 4119 0 kqueue 14 22K 26K 166960K 32 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 41 0 37 1 0 1 1 0 8 0 rtentry 136 115 0 3 4 0 4 4 0 8 0 unpcb 144 58 0 42 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 14 0 10 1 0 1 1 0 8 0 arp 88 18 0 0 1 0 1 1 0 8 0 inpcb 328 88 0 79 2 0 2 2 0 8 1 ip6q 72 1 0 0 1 0 1 1 0 8 0 ip6af 40 1 0 0 1 0 1 1 0 8 0 nd6 104 24 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 1384 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 465 0 6 29 0 29 29 0 8 0 art_table 40 468 0 6 5 0 5 5 0 8 0 art_node 32 115 0 13 1 0 1 1 0 8 0 semapl 112 2 0 0 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 1626 0 123 95 0 95 95 0 8 0 ffsino 248 1626 0 123 95 0 95 95 0 8 0 nchpl 144 1856 0 175 63 0 63 63 0 8 0 uvmvnodes 80 1732 0 0 36 0 36 36 0 8 0 vnodes 216 1732 0 0 97 0 97 97 0 8 0 namei 1024 5491 0 5490 2 0 2 2 0 8 1 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 6030 0 6030 3 0 3 3 1 8 3 plimitpl 152 42 0 24 1 0 1 1 0 8 0 sigapl 424 449 0 407 6 0 6 6 0 8 0 knotepl 120 3819 0 3769 2 0 2 2 0 8 0 kqueuepl 184 36 0 25 1 0 1 1 0 8 0 pipepl 296 99 0 71 3 0 3 3 0 8 0 fdescpl 440 432 0 407 5 0 5 5 0 8 1 filepl 120 1558 0 1331 8 0 8 8 0 8 0 lockfpl 104 35 0 32 1 0 1 1 0 8 0 lockfspl 48 18 0 15 1 0 1 1 0 8 0 sessionpl 144 21 0 13 1 0 1 1 0 8 0 pgrppl 48 29 0 13 1 0 1 1 0 8 0 ucredpl 104 142 0 131 1 0 1 1 0 8 0 zombiepl 144 408 0 407 1 0 1 1 0 8 0 processpl 1160 449 0 407 4 0 4 4 0 8 0 procpl 656 507 0 461 5 0 5 5 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 528 187 0 158 3 0 3 3 0 8 1 mcl64k 65536 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 4 0 4 1 0 1 1 0 8 1 mcl4k 4096 2478 0 2425 14 0 14 14 0 8 6 mcl2k 2048 248 0 244 1 0 1 1 0 8 0 mtagpl 96 21 0 17 1 0 1 1 0 8 0 mbufpl 256 4430 0 4268 13 0 13 13 0 8 0 bufpl 280 2348 0 118 160 0 160 160 0 8 0 anonpl 24 93024 0 89952 22 0 22 22 0 187 1 amapchunkpl 152 8635 0 8272 20 0 20 20 0 158 2 amappl16 200 1657 0 1622 5 0 5 5 0 8 2 amappl15 192 39 0 39 1 0 1 1 0 8 1 amappl14 184 128 0 117 1 0 1 1 0 8 0 amappl13 176 69 0 69 1 0 1 1 0 8 1 amappl12 168 1042 0 1017 2 0 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 9 0 9 1 0 1 1 0 8 1 amappl9 144 244 0 244 1 0 1 1 0 8 1 amappl8 136 21 0 20 1 0 1 1 0 8 0 amappl7 128 95 0 85 1 0 1 1 0 8 0 amappl6 120 169 0 166 1 0 1 1 0 8 0 amappl5 112 113 0 107 1 0 1 1 0 8 0 amappl4 104 282 0 266 1 0 1 1 0 8 0 amappl3 96 1393 0 1311 3 0 3 3 0 8 0 amappl2 88 606 0 552 2 0 2 2 0 8 0 amappl1 80 7934 0 7394 14 0 14 14 0 8 1 amappl 88 2378 0 2251 4 0 4 4 0 92 0 dma16384 16384 1 0 1 1 0 1 1 0 8 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 128 254 0 254 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 24 432 0 407 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 432 0 407 1 0 1 1 0 8 0 vmmpekpl 168 5099 0 5061 2 0 2 2 0 8 0 vmmpepl 168 33962 0 32337 85 0 85 85 0 357 4 vmsppl 360 431 0 407 4 0 4 4 0 8 1 rwobjpl 32 13727 0 11175 22 0 22 22 0 8 1 pdppl 4096 871 0 814 93 28 65 79 0 8 8 pvpl 32 212789 0 204790 79 0 79 79 0 265 1 pmappl 216 431 0 407 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 261 0 28 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7e27c8,ffff80002ccfb030,ffff80002ccfaf80) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002ccfb030) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002ccfb030) at syscall+0x97e sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xedb0732040, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7e27c8,ffffffffffffffff,0,80000112,fffffd806c6cb448,fffffd8007bfb7b8) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd806c6cb448,4,112,0,ffff80002a7e27c8) at doktrace+0x6dd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7e27c8,ffff80002ccfb030,ffff80002ccfaf80) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80002ccfb030) at syscall+0x97e mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002ccfb030) at syscall+0x97e sys/arch/amd64/amd64/trap.c:742 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xedb0732040, count: -5