uvm_fault(0xfffff1006cfc1460, 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 *467385 37268 0 0 0x4000000 0 syz-executor ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b1a08,ffff80002a8195c0,ffff80002a819510) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a8195c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8195c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7326c450ea0, 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(0xfffff1006cfc1460, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b1a08,ffff80002a8195c0,ffff80002a819510) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a8195c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8195c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7326c450ea0, count: -5 ddb> show registers rdi 0xffff80002ccaa000 rsi 0x705d __ALIGN_SIZE+0x605d rbp 0xffff80002a8192e0 rbx 0xfffff10007ffd548 rdx 0xffff80002ccaa000 rcx 0x705c __ALIGN_SIZE+0x605c rax 0xffffffff81acaf33 ktrops+0x43 r8 0xfffff1006289cbd8 r9 0xfffff10007ffd548 r10 0x9c7e3d1f43b2f5c r11 0xb91c242670112991 r12 0xffff80002f0b1a08 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000538 __kernel_virt_to_phys+0x538 rip 0xffffffff81acaf48 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a819260 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=467385 pid=37268 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=76, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002f0b0fa8,0xffff80002f0b0558 process=0xffff800045ff8d98 user=0xffff80002a814000, vmspace=0xfffff1006cfc1460 estcpu=26, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 74438 337982 25284 0 2 0 syz-executor 74438 86499 25284 0 3 0x4000080 piperd syz-executor 35562 11460 30682 0 2 0x100000 sh 30682 28989 63931 0 3 0x10008a sigsusp sh 13176 403534 89380 0 2 0 syz-executor 13176 325638 89380 0 2 0x4000000 syz-executor 13176 319401 89380 0 3 0x4000000 inode syz-executor 37268 88692 39528 0 2 0 syz-executor *37268 467385 39528 0 7 0x4000000 syz-executor 37268 439202 39528 0 3 0x4000080 fsleep syz-executor 8606 294012 73553 60929 2 0x10 syz-executor 8606 522272 73553 60929 3 0x4000090 fsleep syz-executor 63931 307069 74578 0 3 0x82 wait syz-executor 98232 447125 0 0 3 0x14280 nfsidl nfsio 46837 424705 0 0 3 0x14280 nfsidl nfsio 4483 135806 0 0 3 0x14280 nfsidl nfsio 50167 206654 0 0 3 0x14280 nfsidl nfsio 13403 182148 0 0 3 0x14280 nfsidl nfsio 33292 471540 0 0 3 0x14280 nfsidl nfsio 17512 164562 0 0 3 0x14280 nfsidl nfsio 94546 365779 0 0 3 0x14280 nfsidl nfsio 30541 335063 0 0 3 0x14280 nfsidl nfsio 83375 283960 0 0 3 0x14280 nfsidl nfsio 56133 386016 0 0 3 0x14280 nfsidl nfsio 23651 245431 0 0 3 0x14280 nfsidl nfsio 92172 157196 0 0 3 0x14280 nfsidl nfsio 41536 419872 0 0 3 0x14280 nfsidl nfsio 54976 362078 0 0 3 0x14280 nfsidl nfsio 87044 493364 0 0 3 0x14280 nfsidl nfsio 33930 253650 0 0 3 0x14280 nfsidl nfsio 95588 65169 0 0 3 0x14280 nfsidl nfsio 8906 124972 0 0 3 0x14280 nfsidl nfsio 6908 55576 0 0 3 0x14280 nfsidl nfsio 25284 83740 74578 0 3 0x82 nanoslp syz-executor 41698 494915 74578 0 2 0x2 syz-executor 24886 517124 74578 0 2 0x2 syz-executor 89380 127982 74578 0 2 0xc82 syz-executor 31480 157735 74578 0 3 0x2 biowait syz-executor 39528 51624 74578 0 3 0x82 nanoslp syz-executor 73553 187074 74578 0 2 0xc82 syz-executor 74578 482491 1 0 3 0x82 kqread syz-executor 35991 239585 1 0 2 0x102803 getty 18763 260668 1 0 2 0x10002808 sshd 91341 260517 1 0 2 0x10102802 syslogd 56961 21975 1 0 2 0x102800 resolvd 93262 247919 0 0 3 0x14200 bored smr 18989 132236 0 0 2 0x14200 zerothread 71305 496715 0 0 3 0x14200 aiodoned aiodoned 32918 296860 0 0 3 0x14200 syncer update 46093 75283 0 0 3 0x14200 cleaner cleaner 38347 30025 0 0 3 0x14200 reaper reaper 70821 180721 0 0 3 0x14200 pgdaemon pagedaemon 45892 152606 0 0 3 0x14200 bored viomb 41047 407170 0 0 3 0x40014200 acpi0 acpi0 72725 407498 0 0 3 0x14200 bored softnet0 91872 70665 0 0 3 0x14200 bored systqmp 10791 437909 0 0 3 0x14200 bored systq 15422 295584 0 0 3 0x40014200 tmoslp softclock 8474 98767 0 0 3 0x40014200 idle0 1 31005 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 11031 12227K 12249K 166960K 12242 0 pcb 17 14K 15K 166960K 68 0 rtable 237 7K 7K 166960K 496 0 pf 32 13K 13K 166960K 43 0 ifaddr 40 7K 7K 166960K 61 0 ifgroup 50 2K 2K 166960K 71 0 sysctl 3 1K 9K 166960K 7 0 counters 33 17K 18K 166960K 39 0 ioctlops 0 0K 4K 166960K 49 0 iov 1 1K 16K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1292 81K 82K 166960K 1480 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 46 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 15 57K 93K 166960K 300 0 proc 54 43K 91K 166960K 620 0 subproc 72 4K 4K 166960K 108 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 16 0 in_multi 89 6K 7K 166960K 135 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 20 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 55 254K 254K 166960K 55 0 exec 0 0K 1K 166960K 428 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 146 109K 162K 166960K 4237 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 24 48K 94K 166960K 1500 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 9 0 NDP 11 0K 2K 166960K 38 0 temp 43 9135K 9174K 166960K 7116 0 kqueue 4 8K 24K 166960K 43 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 83 0 82 2 0 2 2 0 8 1 rtentry 136 158 0 52 4 0 4 4 0 8 0 unpcb 144 84 0 83 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 34 0 30 1 0 1 1 0 8 0 arp 96 26 0 8 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 328 288 0 280 7 0 7 7 0 8 6 nd6 112 35 0 12 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1072 2 0 2 1 0 1 1 0 8 1 pfstscr 40 6 0 4 1 0 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 6 0 4 1 0 1 1 0 8 0 pfstate 384 3 0 2 1 0 1 1 0 8 0 pfrule 1360 2 0 2 1 0 1 1 0 8 1 rttmr 136 7 0 7 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 740 0 300 35 0 35 35 0 8 6 art_table 40 742 0 300 6 0 6 6 0 8 0 art_node 32 158 0 61 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 2 1 0 1 1 0 8 1 semapl 72 42 0 32 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1760 0 291 92 0 92 92 0 8 0 ffsino 256 1761 0 291 92 0 92 92 0 8 0 nchpl 144 2109 0 410 64 0 64 64 0 8 0 vnodes 216 1928 0 0 108 0 108 108 0 8 0 namei 1024 6893 0 6886 2 0 2 2 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 kstatmem 264 33 0 10 2 0 2 2 0 8 0 scxspl 216 7559 0 7498 8 0 8 8 1 8 2 plimitpl 152 40 0 27 1 0 1 1 0 8 0 sigapl 424 608 0 552 8 0 8 8 0 8 0 knotepl 120 7320 0 7294 16 6 10 16 0 8 8 kqueuepl 184 50 0 45 1 0 1 1 0 8 0 pipepl 304 142 0 113 3 0 3 3 0 8 0 fdescpl 448 575 0 554 5 0 5 5 0 8 1 filepl 120 2498 0 2320 10 0 10 10 0 8 2 lockfpl 104 60 0 59 1 0 1 1 0 8 0 lockfspl 48 25 0 24 1 0 1 1 0 8 0 sessionpl 144 29 0 22 1 0 1 1 0 8 0 pgrppl 48 41 0 26 1 0 1 1 0 8 0 ucredpl 104 187 0 174 1 0 1 1 0 8 0 zombiepl 144 554 0 552 1 0 1 1 0 8 0 processpl 1152 608 0 552 5 0 5 5 0 8 0 procpl 664 766 0 704 7 0 7 7 0 8 1 sockpl 552 461 0 451 7 0 7 7 0 8 5 mcl64k 65536 17 0 17 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl9k128 9344 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 5 0 5 1 0 1 1 0 8 1 mcl4k 4096 2647 0 2597 15 0 15 15 0 8 8 mcl2k 2048 295 0 294 1 0 1 1 0 8 0 mtagpl 96 6 0 5 1 0 1 1 0 8 0 mbufpl 256 5480 0 5349 11 0 11 11 0 8 0 bufpl 272 3065 0 102 198 0 198 198 0 8 0 anonpl 24 109571 0 106594 32 0 32 32 0 187 6 amapchunkpl 152 12605 0 12230 38 0 38 38 0 158 23 amappl16 200 1705 0 1691 5 0 5 5 0 8 3 amappl15 192 8 0 8 1 0 1 1 0 8 1 amappl14 184 460 0 459 1 0 1 1 0 8 0 amappl13 176 122 0 118 1 0 1 1 0 8 0 amappl12 168 850 0 831 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 0 1 1 0 8 1 amappl10 152 58 0 56 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 0 1 1 0 8 1 amappl8 136 131 0 131 1 0 1 1 0 8 1 amappl7 128 150 0 149 1 0 1 1 0 8 0 amappl6 120 204 0 203 1 0 1 1 0 8 0 amappl5 112 107 0 105 1 0 1 1 0 8 0 amappl4 104 274 0 263 1 0 1 1 0 8 0 amappl3 96 2216 0 2159 3 0 3 3 0 8 0 amappl2 88 552 0 540 2 0 2 2 0 8 0 amappl1 80 11058 0 10970 13 0 13 13 0 8 4 amappl 88 3425 0 3323 4 0 4 4 0 92 0 uvmvnodes 80 105 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 575 0 554 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 575 0 554 1 0 1 1 0 8 0 vmmpekpl 168 6447 0 6407 3 0 3 3 0 8 1 vmmpepl 168 45544 0 44746 81 0 81 81 0 357 21 vmsppl 368 574 0 554 4 0 4 4 0 8 1 rwobjpl 40 15864 0 15475 11 0 11 11 0 8 0 pdppl 4096 1156 0 1108 98 30 68 80 0 8 20 pvpl 32 268502 0 262232 94 0 94 94 0 265 25 pmappl 216 574 0 554 3 0 3 3 0 8 1 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 566 0 30 16 0 16 16 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b1a08,ffff80002a8195c0,ffff80002a819510) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a8195c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8195c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7326c450ea0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002f0b1a08,ffffffffffffffff,0,80000538,fffff1006289cbd8,fffff10007ffd548) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff1006289cbd8,4,538,0,ffff80002f0b1a08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002f0b1a08,ffff80002a8195c0,ffff80002a819510) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a8195c0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8195c0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7326c450ea0, count: -5 ddb>