uvm_fault(0xfffffd806c76dc28, 0x30, 0, 1) -> e kernel: page fault trap, code=0 Stopped at spec_getattr+0xa3: movq 0x30(%rax),%rdi TID PID UID PRFLAGS PFLAGS CPU COMMAND * 31634 45054 0 0 0x4000000 0 syz-executor spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564 VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191 fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462 sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719 kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422 syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc00ba2f8fc0, count: 7 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(0xfffffd806c76dc28, 0x30, 0, 1) -> e ddb> trace spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564 VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191 fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462 sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719 kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422 syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc00ba2f8fc0, count: -8 ddb> show registers rdi 0 rsi 0 rbp 0xffff8000376232b0 rbx 0 rdx 0 rcx 0xffffffff834b9ff0 cpu_info_full_primary+0x1ff0 rax 0 r8 0xffffffffffffffff r9 0 r10 0x5e74eeef4277a7e3 r11 0x93124ddae69549c1 r12 0x8000 __ALIGN_SIZE+0x7000 r13 0x8000 __ALIGN_SIZE+0x7000 r14 0xffff8000376232c8 r15 0xfffffd8069c88b50 rip 0xffffffff829c6f43 spec_getattr+0xa3 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800037623270 ss 0x10 spec_getattr+0xa3: movq 0x30(%rax),%rdi ddb> show proc PROC (syz-executor) tid=31634 pid=45054 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a4c31d0,0xffff800036a1cf60 process=0xffff8000327f4018 user=0xffff80003761e000, vmspace=0xfffffd806c76dc28 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 55421 194817 14125 0 2 0 syz-executor 55421 441649 14125 0 2 0x4000000 syz-executor 91310 143648 0 0 3 0x14200 acct acct 45054 290934 21446 0 2 0 syz-executor *45054 31634 21446 0 7 0x4000000 syz-executor 98532 20483 93754 0 2 0 syz-executor 98532 79150 93754 0 2 0x4000000 syz-executor 98532 427707 93754 0 2 0x4000000 syz-executor 98532 345862 93754 0 2 0x4000000 syz-executor 62135 195635 1888 0 2 0x2 syz-executor 93754 113434 1888 0 3 0x82 nanoslp syz-executor 18389 52601 0 0 3 0x14200 bored sosplice 23676 462096 1888 0 2 0x3 syz-executor 41404 157867 1888 0 2 0x2 syz-executor 14125 28367 1888 0 3 0x82 nanoslp syz-executor 49591 321743 1888 0 2 0x2 syz-executor 21446 441486 1888 0 3 0x82 nanoslp syz-executor 35965 346066 1888 0 2 0x2 syz-executor 1888 247092 87568 0 2 0x2 syz-executor 87568 36702 73155 0 3 0x10008a sigsusp ksh 73155 18124 5969 0 3 0x98 kqread sshd-session 5969 230184 69049 0 3 0x92 kqread sshd-session 84192 17225 1 0 3 0x100083 ttyin getty 69049 293679 1 0 3 0x88 kqread sshd 39649 74773 35068 73 3 0x1100090 kqread syslogd 35068 448304 1 0 3 0x100082 sbwait syslogd 39711 60350 1 0 2 0x100001 resolvd 64728 227633 45683 77 2 0x100013 dhcpleased 68449 128474 45683 77 3 0x100092 kqread dhcpleased 45683 274474 1 0 3 0x80 kqread dhcpleased 55524 130777 0 0 3 0x14200 bored smr 89266 57924 0 0 2 0x14200 zerothread 93255 300916 0 0 3 0x14200 aiodoned aiodoned 37033 482246 0 0 3 0x14200 syncer update 78191 135957 0 0 3 0x14200 cleaner cleaner 97482 332139 0 0 3 0x14200 reaper reaper 33562 29172 0 0 3 0x14200 pgdaemon pagedaemon 59792 312011 0 0 3 0x14200 bored viomb 87596 149285 0 0 3 0x40014200 acpi0 acpi0 40930 416920 0 0 3 0x14200 bored softnet3 95788 186085 0 0 3 0x14200 bored softnet2 78132 121076 0 0 3 0x14200 bored softnet1 78809 289312 0 0 2 0x14200 softnet0 57657 373343 0 0 3 0x14200 bored systqmp 99491 90998 0 0 3 0x14200 bored systq 51036 200439 0 0 3 0x40014200 tmoslp softclock 69670 300654 0 0 3 0x40014200 idle0 1 77026 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 10184 11055K 11370K 166960K 12286 0 pcb 17 14K 16K 166960K 265 0 rtable 159 6K 7K 166960K 988 0 pf 38 14K 22K 166960K 104 0 ifaddr 34 5K 7K 166960K 79 0 ifgroup 55 2K 2K 166960K 96 0 sysctl 4 1K 1K 166960K 4 0 counters 31 17K 17K 166960K 45 0 ioctlops 0 0K 5K 166960K 296 0 iov 0 0K 20K 166960K 76 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1429 90K 90K 166960K 2194 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 111 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 13 45K 97K 166960K 1117 0 sigio 1 0K 0K 166960K 26 0 proc 60 59K 124K 166960K 632 0 subproc 104 6K 6K 166960K 144 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 253 0 in_multi 71 5K 7K 166960K 165 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 4 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 2K 166960K 665 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 187 71K 88K 166960K 12352 0 UVM aobj 97 3K 5K 166960K 106 0 pinsyscall 34 68K 104K 166960K 2218 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 40 0 NDP 12 0K 2K 166960K 52 0 temp 78 6817K 6888K 166960K 22866 0 kqueue 14 22K 28K 166960K 186 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 120 126 0 123 1 0 1 1 0 8 0 rtentry 112 381 0 314 4 0 4 4 0 8 0 unpcb 144 968 0 951 7 1 6 6 0 8 5 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 808 426 0 421 9 1 8 8 0 8 7 arp 88 97 0 86 1 0 1 1 0 8 0 ipq 40 9 0 6 1 0 1 1 0 8 0 ipqe 40 96 0 93 1 0 1 1 0 8 0 inpcb 336 1487 0 1477 12 3 9 12 0 8 8 nd6 104 41 0 22 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1072 9 0 9 1 0 1 1 0 8 1 pfstscr 40 67 0 66 2 1 1 1 0 8 0 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 2 0 2 1 0 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 201 0 199 2 1 1 1 0 8 0 pfstate 344 101 0 100 2 1 1 1 0 8 0 pfrule 1344 10 0 8 2 1 1 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 852 0 510 30 1 29 29 0 8 4 art_table 32 855 0 510 4 0 4 4 0 8 0 art_node 16 379 0 319 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semapl 112 108 0 98 1 0 1 1 0 8 0 shmpl 112 103 0 9 3 0 3 3 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 3379 0 1883 95 0 95 95 0 8 0 ffsino 240 3379 0 1883 89 0 89 89 0 8 0 nchpl 144 4960 0 3281 63 0 63 63 0 8 0 uvmvnodes 80 3954 0 0 81 0 81 81 0 8 0 vnodes 216 3954 0 0 220 0 220 220 0 8 0 namei 1024 17656 0 17654 3 2 1 2 0 8 0 kstatmem 264 52 0 28 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 0 1 1 0 8 1 scxspl 216 14125 0 14125 10 2 8 8 1 8 8 plimitpl 152 341 0 325 1 0 1 1 0 8 0 sigapl 424 1398 0 1355 7 1 6 7 0 8 0 futexpl 64 15977 0 15976 1 0 1 1 0 8 0 knotepl 120 48641 0 48593 16 7 9 9 0 8 6 kqueuepl 184 299 0 289 2 0 2 2 0 8 1 pipepl 288 224 0 197 6 1 5 5 0 8 2 fdescpl 432 1375 0 1350 5 1 4 5 0 8 0 filepl 120 8842 0 8601 13 1 12 12 0 8 2 lockfpl 104 471 0 469 1 0 1 1 0 8 0 lockfspl 48 207 0 205 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 106 0 90 1 0 1 1 0 8 0 ucredpl 104 1496 0 1485 1 0 1 1 0 8 0 zombiepl 144 1962 0 1962 1 0 1 1 0 8 1 processpl 1096 1398 0 1355 4 0 4 4 0 8 0 procpl 648 3110 0 3062 6 0 6 6 0 8 0 sosppl 168 7 0 5 2 1 1 1 0 8 0 sockpl 504 2635 0 2605 43 31 12 21 0 8 7 mcl64k 65536 9 0 9 2 1 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 27 0 27 2 1 1 1 0 8 1 mcl4k 4096 4041 0 3989 15 7 8 15 0 8 1 mcl2k2 2112 4 0 4 1 0 1 1 0 8 1 mcl2k 2048 1704 0 1701 6 2 4 4 0 8 3 mtagpl 96 25 0 13 1 0 1 1 0 8 0 mbufpl 256 18784 0 18566 135 109 26 79 0 8 7 bufpl 280 3865 0 95 270 0 270 270 0 8 0 anonpl 24 249061 0 246147 69 22 47 47 0 187 21 amapchunkpl 152 53014 0 52646 39 4 35 35 0 158 14 amappl16 200 6298 0 6277 33 22 11 15 0 8 8 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 134 0 124 1 0 1 1 0 8 0 amappl13 176 10 0 10 1 1 0 1 0 8 0 amappl12 168 2043 0 2018 3 1 2 3 0 8 0 amappl11 160 44 0 34 1 0 1 1 0 8 0 amappl10 152 7 0 7 1 1 0 1 0 8 0 amappl9 144 117 0 117 1 1 0 1 0 8 0 amappl8 136 23 0 22 1 0 1 1 0 8 0 amappl7 128 114 0 104 1 0 1 1 0 8 0 amappl6 120 190 0 189 1 0 1 1 0 8 0 amappl5 112 137 0 127 1 0 1 1 0 8 0 amappl4 104 295 0 279 1 0 1 1 0 8 0 amappl3 96 7516 0 7446 3 0 3 3 0 8 0 amappl2 88 1655 0 1582 2 0 2 2 0 8 0 amappl1 80 10378 0 9883 14 2 12 14 0 8 0 amappl 88 11876 0 11743 5 0 5 5 0 92 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 2 0 1 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 105 0 9 2 0 2 2 0 8 0 uaddrrnd 24 1375 0 1350 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1375 0 1350 1 0 1 1 0 8 0 vmmpekpl 168 11844 0 11794 3 0 3 3 0 8 0 vmmpepl 168 90837 0 89338 98 8 90 90 0 357 12 vmsppl 344 1374 0 1350 4 1 3 4 0 8 0 rwobjpl 24 31694 0 26848 30 0 30 30 0 8 0 pdppl 4096 2756 0 2700 104 38 66 82 0 8 10 pvpl 32 613994 0 606671 144 27 117 117 0 265 37 pmappl 216 1374 0 1350 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 563 0 200 12 0 12 12 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564 VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191 fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462 sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719 kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422 syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc00ba2f8fc0, count: -8 ddb> machine ddbcpu 1 No such command ddb> trace spec_getattr(ffff8000376232c8) at spec_getattr+0xa3 sys/kern/spec_vnops.c:564 VOP_GETATTR(fffffd8069c88b50,ffff800037623348,fffffd807f7d7618,ffff80002a4c27b0) at VOP_GETATTR+0x7f sys/kern/vfs_vops.c:191 fill_file(ffff8000012fbc00,fffffd806756ec30,0,0,0,0,1357e735a557ef02,fffffd806756ec30,fe32) at fill_file+0x620 sys/kern/kern_sysctl.c:1462 sysctl_file(ffff800037623768,4,20000100,ffff800037623798,ffff80002a4c27b0) at sysctl_file+0x1eaf sys/kern/kern_sysctl.c:1719 kern_sysctl(ffff800037623764,5,20000100,ffff800037623798,0,37,f1a4976505a42b36) at kern_sysctl+0xbf9 sys/kern/kern_sysctl.c:500 sys_sysctl(ffff80002a4c27b0,ffff8000376238d0,ffff800037623820) at sys_sysctl+0x422 syscall(ffff8000376238d0) at syscall+0x97e sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc00ba2f8fc0, count: -8