ÉRåuvm_fault(0xfffff1806cab32f0, 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 *235091 19520 0 0 0x4000000 0 syz-executor ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a766d08,ffff80002a82b7d0,ffff80002a82b720) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a82b7d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a82b7d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9fafc32e6f0, 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(0xfffff1806cab32f0, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a766d08,ffff80002a82b7d0,ffff80002a82b720) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a82b7d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a82b7d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9fafc32e6f0, count: -5 ddb> show registers rdi 0xffff8000360dc000 rsi 0x63dd __ALIGN_SIZE+0x53dd rbp 0xffff80002a82b4f0 rbx 0xfffff18007ffd8f0 rdx 0xffff8000360dc000 rcx 0x63dc __ALIGN_SIZE+0x53dc rax 0xffffffff81172023 ktrops+0x43 r8 0xfffff18074cc78d0 r9 0xfffff18007ffd8f0 r10 0x3e778d24e73fd7f5 r11 0xd31d293c32f2de1e r12 0xffff80002a766d08 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000110 __kernel_virt_to_phys+0x110 rip 0xffffffff81172038 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002a82b470 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=235091 pid=19520 tcnt=4 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=0xffff80003c8f1a18,0xffff80002a767778 process=0xffff8000ffff8918 user=0xffff80002a826000, vmspace=0xfffff1806cab32f0 estcpu=24, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 94054 20948 39144 0 3 0x1 inode syz-executor 69726 264843 87642 0 2 0 syz-executor 69726 507222 87642 0 3 0x4000000 biowait syz-executor 66858 306254 17122 0 2 0 syz-executor 66858 340108 17122 0 3 0x4000080 fsleep syz-executor 19520 224779 96808 0 2 0 syz-executor 19520 263022 96808 0 3 0x4000080 fsleep syz-executor *19520 235091 96808 0 7 0x4000000 syz-executor 19520 238169 96808 0 3 0x4000001 inode syz-executor 76328 446283 85516 0 2 0 syz-executor 76328 138000 85516 0 3 0x4000000 biowait syz-executor 76328 198171 85516 0 3 0x4000000 inode syz-executor 76328 380856 85516 0 3 0x4000080 fsleep syz-executor 39144 192511 51019 0 3 0x3 inode syz-executor 87642 46593 51019 0 3 0x3 inode syz-executor 17122 287201 51019 0 3 0x3 inode syz-executor 96808 190002 51019 0 3 0x3 inode syz-executor 48705 115382 51019 0 3 0x82 piperd syz-executor 53513 352237 51019 0 3 0x82 wait syz-executor 85516 274588 51019 0 3 0x3 inode syz-executor 51019 264456 1 0 3 0x10000003 bqwait syz-executor 97775 108434 58954 0 3 0x98 kqread sshd-session 58954 240751 99934 0 3 0x92 kqread sshd-session 79618 12866 1 0 3 0x102803 bqwait getty 99934 249730 1 0 3 0x2808 bqwait sshd 47288 340878 10105 73 3 0x1100090 kqread syslogd 10105 81301 1 0 3 0x102802 bqwait syslogd 22704 370934 1 0 3 0x102800 bqwait resolvd 72608 230868 0 0 3 0x14200 bored smr 32655 467556 0 0 2 0x14200 zerothread 60368 97063 0 0 3 0x14200 aiodoned aiodoned 29223 295813 0 0 3 0x14200 syncer update 76924 253510 0 0 3 0x14200 cleaner cleaner 14945 304435 0 0 3 0x14200 reaper reaper 57236 100992 0 0 3 0x14200 pgdaemon pagedaemon 26332 136537 0 0 3 0x14200 bored viomb 76741 161373 0 0 3 0x40014200 acpi0 acpi0 3012 187669 0 0 3 0x14200 bored softnet0 2553 335389 0 0 3 0x14200 bored systqmp 65068 391219 0 0 3 0x14200 bored systq 21616 466920 0 0 3 0x40014200 tmoslp softclock 88919 288730 0 0 3 0x40014200 idle0 1 192859 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 11025 12098K 12465K 166960K 12406 0 pcb 18 12K 12K 166960K 72 0 rtable 173 8K 10K 166960K 473 0 pf 26 12K 16K 166960K 47 0 ifaddr 29 4K 7K 166960K 55 0 ifgroup 38 1K 2K 166960K 63 0 sysctl 3 1K 9K 166960K 7 0 counters 30 17K 18K 166960K 40 0 ioctlops 0 0K 4K 166960K 139 0 iov 0 0K 16K 166960K 16 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1331 84K 84K 166960K 1669 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 84 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 15 53K 73K 166960K 419 0 sigio 0 0K 0K 166960K 1 0 proc 54 43K 83K 166960K 553 0 subproc 63 3K 5K 166960K 135 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 164 0 in_multi 63 4K 7K 166960K 124 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 542 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 177 110K 160K 166960K 5301 0 UVM aobj 10 2K 2K 166960K 11 0 pinsyscall 29 58K 86K 166960K 1565 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 13 0 NDP 8 0K 2K 166960K 34 0 temp 49 9132K 9173K 166960K 14197 0 kqueue 7 12K 28K 166960K 76 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 55 0 54 1 0 1 1 0 8 0 rtentry 136 140 0 73 4 0 4 4 0 8 0 unpcb 144 223 0 215 4 0 4 4 0 8 3 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 95 0 89 4 0 4 4 0 8 3 arp 96 21 0 10 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 328 421 0 414 7 0 7 7 0 8 5 ip6q 72 1 0 1 1 0 1 1 0 8 1 ip6af 40 2 0 2 1 0 1 1 0 8 1 nd6 112 35 0 18 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 15 0 8 1 0 1 1 0 8 0 ppxss 1072 5 0 5 1 0 1 1 0 8 1 pppxif 1416 1 0 1 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 4 0 1 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 2 1 0 1 1 0 8 1 pfstate 384 1 0 1 1 0 1 1 0 8 1 pfrule 1360 1 0 0 1 0 1 1 0 8 0 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 608 0 319 31 0 31 31 0 8 8 art_table 40 609 0 319 6 0 6 6 0 8 1 art_node 32 140 0 80 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 72 81 0 71 1 0 1 1 0 8 0 shmpl 112 8 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2056 0 592 92 0 92 92 0 8 0 ffsino 256 2056 0 592 92 0 92 92 0 8 0 nchpl 144 2610 0 906 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 2337 0 0 130 0 130 130 0 8 0 namei 1024 8563 0 8558 2 0 2 2 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 31 0 14 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 9803 0 9727 8 0 8 8 1 8 1 plimitpl 152 64 0 48 1 0 1 1 0 8 0 sigapl 424 705 0 668 6 0 6 6 0 8 1 knotepl 120 16691 0 16660 9 0 9 9 0 8 6 kqueuepl 184 92 0 85 1 0 1 1 0 8 0 pipepl 304 157 0 130 3 0 3 3 0 8 0 fdescpl 448 692 0 669 4 0 4 4 0 8 0 filepl 120 3507 0 3324 11 0 11 11 0 8 2 lockfpl 104 120 0 119 1 0 1 1 0 8 0 lockfspl 48 54 0 53 1 0 1 1 0 8 0 sessionpl 144 42 0 35 1 0 1 1 0 8 0 pgrppl 48 61 0 46 1 0 1 1 0 8 0 ucredpl 104 514 0 501 1 0 1 1 0 8 0 zombiepl 144 670 0 668 1 0 1 1 0 8 0 processpl 1152 705 0 668 4 0 4 4 0 8 0 procpl 664 1093 0 1048 6 0 6 6 0 8 2 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 552 709 0 692 12 1 11 12 0 8 8 mcl64k 65536 86 0 85 1 0 1 1 0 8 0 mcl16k 16384 2 0 2 1 0 1 1 0 8 1 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 6 1 0 1 1 0 8 1 mcl4k 4096 2845 0 2787 14 0 14 14 0 8 6 mcl2k 2048 395 0 393 4 0 4 4 0 8 3 mtagpl 96 12 0 6 1 0 1 1 0 8 0 mbufpl 256 7349 0 7221 20 0 20 20 0 8 6 bufpl 272 3695 0 104 240 0 240 240 0 8 0 anonpl 24 109581 0 105970 33 0 33 33 0 186 9 amapchunkpl 152 16350 0 15919 36 0 36 36 0 158 19 amappl16 200 1554 0 1514 4 0 4 4 0 8 1 amappl15 192 3 0 3 1 0 1 1 0 8 1 amappl14 184 517 0 517 1 0 1 1 0 8 1 amappl13 176 126 0 119 1 0 1 1 0 8 0 amappl12 168 943 0 920 2 0 2 2 0 8 0 amappl11 160 5 0 5 1 0 1 1 0 8 1 amappl10 152 69 0 65 1 0 1 1 0 8 0 amappl9 144 268 0 268 1 0 1 1 0 8 1 amappl8 136 96 0 96 1 0 1 1 0 8 1 amappl7 128 142 0 138 1 0 1 1 0 8 0 amappl6 120 177 0 177 1 0 1 1 0 8 1 amappl5 112 99 0 94 1 0 1 1 0 8 0 amappl4 104 270 0 257 1 0 1 1 0 8 0 amappl3 96 3099 0 3024 4 0 4 4 0 8 0 amappl2 88 550 0 523 2 0 2 2 0 8 0 amappl1 80 11765 0 11479 15 0 15 15 0 8 2 amappl 88 4485 0 4361 5 0 5 5 0 92 0 uvmvnodes 80 113 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 128 254 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 10 0 1 1 0 1 1 0 8 0 uaddrrnd 24 692 0 669 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 692 0 669 1 0 1 1 0 8 0 vmmpekpl 168 7561 0 7524 3 0 3 3 0 8 0 vmmpepl 168 52450 0 51218 92 0 92 92 0 357 18 vmsppl 368 691 0 669 3 0 3 3 0 8 0 rwobjpl 40 17089 0 16491 12 0 12 12 0 8 1 pdppl 4096 1390 0 1338 88 26 62 70 0 8 10 pvpl 32 303599 0 295468 95 0 95 95 0 265 14 pmappl 216 691 0 669 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 606 0 26 17 0 17 17 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a766d08,ffff80002a82b7d0,ffff80002a82b720) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a82b7d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a82b7d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9fafc32e6f0, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:728 [inline] ktrops(ffff80002a766d08,ffffffffffffffff,0,80000110,fffff18074cc78d0,fffff18007ffd8f0) at ktrops+0x58 sys/kern/kern_ktrace.c:571 doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:596 [inline] doktrace(fffff18074cc78d0,4,110,0,ffff80002a766d08) at doktrace+0x6bd sys/kern/kern_ktrace.c:518 sys_ktrace(ffff80002a766d08,ffff80002a82b7d0,ffff80002a82b720) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:559 syscall(ffff80002a82b7d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a82b7d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x9fafc32e6f0, count: -5