uvm_fault(0xffffffff838fa3f8, 0xffff800029c42000, 0, 2) -> d kernel: page fault trap, code=2 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND *363969 76359 0 0x2 0 0 syz-executor memcpy() at memcpy+0x19 ufs_reclaim(fffffd8064c2ea80) at ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137 ffs_reclaim(ffff80002a823a38) at ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519 VOP_RECLAIM(fffffd8064c2ea80,ffff80002a7b6010) at VOP_RECLAIM+0x6e sys/kern/vfs_vops.c:512 vclean(fffffd8064c2ea80,8,ffff80002a7b6010) at vclean+0x322 sys/kern/vfs_subr.c:1096 vgonel(fffffd8064c2ea80,ffff80002a7b6010) at vgonel+0xb0 sys/kern/vfs_subr.c:1186 vrecycle(fffffd8064c2ea80,ffff80002a7b6010) at vrecycle+0x7c sys/kern/vfs_subr.c:1137 ufs_inactive(ffff80002a823c00) at ufs_inactive+0x359 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8064c2ea80,ffff80002a7b6010) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd8064c2ea80) at vput+0xdc sys/kern/vfs_subr.c:790 VOP_REMOVE(fffffd8064c2e138,fffffd8064c2ea80,ffff80002a823d68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a7b6010,ffffff9c,759727efca30,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a823ed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a823ed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759727efcee0, count: 1 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(0xffffffff838fa3f8, 0xffff800029c42000, 0, 2) -> d ddb> trace memcpy() at memcpy+0x19 ufs_reclaim(fffffd8064c2ea80) at ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137 ffs_reclaim(ffff80002a823a38) at ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519 VOP_RECLAIM(fffffd8064c2ea80,ffff80002a7b6010) at VOP_RECLAIM+0x6e sys/kern/vfs_vops.c:512 vclean(fffffd8064c2ea80,8,ffff80002a7b6010) at vclean+0x322 sys/kern/vfs_subr.c:1096 vgonel(fffffd8064c2ea80,ffff80002a7b6010) at vgonel+0xb0 sys/kern/vfs_subr.c:1186 vrecycle(fffffd8064c2ea80,ffff80002a7b6010) at vrecycle+0x7c sys/kern/vfs_subr.c:1137 ufs_inactive(ffff80002a823c00) at ufs_inactive+0x359 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8064c2ea80,ffff80002a7b6010) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd8064c2ea80) at vput+0xdc sys/kern/vfs_subr.c:790 VOP_REMOVE(fffffd8064c2e138,fffffd8064c2ea80,ffff80002a823d68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a7b6010,ffffff9c,759727efca30,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a823ed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a823ed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759727efcee0, count: -14 ddb> show registers rdi 0xffff800029c42000 rsi 0xfffffd807e01e200 rbp 0xffff80002a823990 rbx 0xffff800029c42000 rdx 0x100 rcx 0x20 rax 0xffff80002a7b6010 r8 0xffffffffffffffff r9 0x65400 acpi_pdirpa+0x51271 r10 0xfe59ffaffa4d0546 r11 0xffff800029c42000 r12 0 r13 0x2 r14 0 r15 0xfffffd8064bbd578 rip 0xffffffff82040489 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002a823928 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor) tid=363969 pid=76359 tcnt=1 stat=onproc flags process=2 proc=0 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7b7238,0xffff80002a7b62b8 process=0xffff80002a7ec010 user=0xffff80002a81e000, vmspace=0xfffffd8009427000 estcpu=36, cpticks=18, pctcpu=0.0, user=2, sys=15, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 59126 331058 96978 0 2 0 syz-executor 59126 44540 96978 0 3 0x4000080 fsleep syz-executor 18221 288335 13843 0 2 0 syz-executor 62113 105778 65470 0 2 0 syz-executor 76763 283062 65711 0 2 0 syz-executor 76763 33926 65711 0 3 0x4000080 fsleep syz-executor 76763 215937 65711 0 2 0x4000000 syz-executor 84149 4995 35774 0 2 0 syz-executor 84149 249047 35774 0 2 0x4000000 syz-executor 36307 39102 15461 0 2 0 syz-executor 36307 338288 15461 0 3 0x4000080 fsleep syz-executor 36307 496466 15461 0 3 0x4000080 fsleep syz-executor 36307 46815 15461 0 3 0x4000080 fsleep syz-executor 22611 222278 0 0 3 0x14200 acct acct 35774 33817 50027 0 2 0xc82 syz-executor 65470 498064 50027 0 2 0xc82 syz-executor 15461 18439 50027 0 2 0xc82 syz-executor 25794 87668 0 0 3 0x14200 bored sosplice 13843 150934 50027 0 2 0xc82 syz-executor 96978 234558 50027 0 2 0xc82 syz-executor 60971 164575 50027 0 2 0x2 syz-executor 65711 296682 50027 0 2 0xc82 syz-executor *76359 363969 50027 0 7 0x2 syz-executor 50027 60478 7690 0 2 0x2 syz-executor 7690 371061 10827 0 3 0x10008a sigsusp ksh 10827 321894 43145 0 3 0x98 kqread sshd-session 43145 160753 69057 0 3 0x92 kqread sshd-session 21448 116232 1 0 3 0x100083 ttyopn getty 69057 408288 1 0 3 0x88 kqread sshd 22240 96161 16952 73 3 0x1100090 kqread syslogd 16952 17611 1 0 3 0x100082 sbwait syslogd 65643 211112 1 0 3 0x100080 kqread resolvd 5989 311880 64324 77 3 0x100092 kqread dhcpleased 32524 142863 64324 77 3 0x100092 kqread dhcpleased 64324 483975 1 0 3 0x80 kqread dhcpleased 89254 130396 0 0 3 0x14200 bored smr 79155 327267 0 0 2 0x14200 zerothread 56757 524243 0 0 3 0x14200 aiodoned aiodoned 16723 426843 0 0 3 0x14200 syncer update 87020 27600 0 0 3 0x14200 cleaner cleaner 35833 79399 0 0 3 0x14200 reaper reaper 99937 271933 0 0 3 0x14200 pgdaemon pagedaemon 84598 410882 0 0 3 0x14200 bored viomb 30794 372858 0 0 3 0x40014200 acpi0 acpi0 58664 513709 0 0 3 0x14200 bored softnet0 21447 392210 0 0 3 0x14200 bored systqmp 43091 499412 0 0 3 0x14200 bored systq 50248 68260 0 0 3 0x40014200 tmoslp softclock 57555 163220 0 0 3 0x40014200 idle0 1 277517 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10203 11187K 12089K 166960K 13177 0 pcb 17 16K 19K 166960K 481 0 rtable 198 11K 11K 166960K 533 0 pf 37 14K 20K 166960K 157 0 ifaddr 38 6K 7K 166960K 108 0 ifgroup 54 2K 2K 166960K 175 0 sysctl 3 1K 9K 166960K 17 0 counters 33 17K 18K 166960K 86 0 ioctlops 0 0K 4K 166960K 348 0 iov 0 0K 28K 166960K 191 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1497 94K 94K 166960K 2622 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 64 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 236K 166960K 1196 0 sigio 0 0K 0K 166960K 31 0 proc 60 59K 116K 166960K 687 0 subproc 72 4K 4K 166960K 99 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 242 0 in_multi 75 5K 7K 166960K 181 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 819 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 208 142K 161K 166960K 12843 0 UVM aobj 33 2K 2K 166960K 36 0 pinsyscall 37 74K 92K 166960K 2303 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 57 0 NDP 12 0K 1K 166960K 73 0 temp 79 8648K 8716K 166960K 39610 0 kqueue 13 20K 33K 166960K 224 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 120 184 0 181 3 0 3 3 0 8 2 rtentry 136 159 0 84 4 0 4 4 0 8 0 unpcb 144 994 0 979 4 0 4 4 0 8 3 syncache 336 7 0 7 2 1 1 1 0 8 1 tcpqe 32 3 0 3 1 0 1 1 0 8 1 tcpcb 736 331 0 325 4 0 4 4 0 8 3 arp 96 21 0 9 1 0 1 1 0 8 0 ipq 40 2 0 1 1 0 1 1 0 8 0 ipqe 40 4 0 3 1 0 1 1 0 8 0 inpcb 328 1363 0 1353 13 4 9 12 0 8 7 ip6q 72 39 0 38 1 0 1 1 0 8 0 ip6af 40 75 0 74 1 0 1 1 0 8 0 nd6 112 24 0 12 1 0 1 1 0 8 0 pkpcb 40 48 0 48 2 1 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1072 37 0 37 1 0 1 1 0 8 1 pppxif 1384 7 0 7 1 0 1 1 0 8 1 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 2 0 0 1 0 1 1 0 8 0 pfstitem 24 6 0 0 1 0 1 1 0 8 0 pfstkey 128 15 0 9 2 1 1 1 0 8 0 pfstate 384 8 0 5 2 1 1 1 0 8 0 pfrule 1344 36 0 36 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 727 0 405 31 3 28 31 0 8 7 art_table 40 729 0 405 5 0 5 5 0 8 0 art_node 32 157 0 97 1 0 1 1 0 8 0 semupl 112 3 0 3 1 0 1 1 0 8 1 semapl 112 57 0 47 2 1 1 1 0 8 0 shmpl 112 33 0 3 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 3620 0 2124 95 0 95 95 0 8 0 ffsino 256 3620 0 2124 95 0 95 95 0 8 0 nchpl 144 5220 0 3534 63 0 63 63 0 8 0 rtmask 32 5 0 5 1 0 1 1 0 8 1 vnodes 216 4468 0 0 249 0 249 249 0 8 0 namei 1024 18316 0 18316 2 1 1 2 0 8 1 kstatmem 264 102 0 78 3 0 3 3 0 8 1 scsiplug 72 8 0 8 1 0 1 1 0 8 1 scxspl 216 20576 0 20576 15 7 8 8 1 8 8 plimitpl 152 311 0 294 1 0 1 1 0 8 0 sigapl 424 1459 0 1416 7 1 6 6 0 8 0 knotepl 120 58883 0 58835 15 5 10 15 0 8 8 kqueuepl 184 500 0 490 4 0 4 4 0 8 3 pipepl 304 289 0 262 8 0 8 8 0 8 5 fdescpl 448 1442 0 1414 5 1 4 5 0 8 0 filepl 120 9625 0 9406 17 1 16 16 0 8 7 lockfpl 104 442 0 439 1 0 1 1 0 8 0 lockfspl 48 151 0 148 1 0 1 1 0 8 0 sessionpl 144 28 0 20 1 0 1 1 0 8 0 pgrppl 48 158 0 142 1 0 1 1 0 8 0 ucredpl 104 1567 0 1555 1 0 1 1 0 8 0 zombiepl 144 2245 0 2245 2 1 1 1 0 8 1 processpl 1152 1459 0 1416 5 1 4 4 0 8 0 procpl 664 3386 0 3336 6 0 6 6 0 8 0 sosppl 168 5 0 5 1 0 1 1 0 8 1 sockpl 552 2623 0 2595 12 2 10 12 0 8 7 mcl64k 65536 97 0 97 2 1 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 54 0 54 2 1 1 1 0 8 1 mcl4k 4096 3932 0 3879 15 7 8 14 0 8 0 mcl2k 2048 1843 0 1840 10 3 7 7 0 8 6 mtagpl 96 9 0 6 2 1 1 1 0 8 0 mbufpl 256 15532 0 15393 26 4 22 26 0 8 8 bufpl 280 8073 0 1845 446 0 446 446 0 8 0 anonpl 24 234292 0 230757 63 3 60 60 0 187 24 amapchunkpl 152 43454 0 43012 35 0 35 35 0 158 14 amappl16 200 4313 0 4275 33 21 12 15 0 8 8 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 115 0 105 1 0 1 1 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 2112 0 2084 2 0 2 2 0 8 0 amappl11 160 46 0 36 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 277 0 277 1 1 0 1 0 8 0 amappl8 136 22 0 20 1 0 1 1 0 8 0 amappl7 128 120 0 109 1 0 1 1 0 8 0 amappl6 120 203 0 199 1 0 1 1 0 8 0 amappl5 112 119 0 113 1 0 1 1 0 8 0 amappl4 104 281 0 264 1 0 1 1 0 8 0 amappl3 96 8477 0 8382 4 0 4 4 0 8 0 amappl2 88 680 0 621 2 0 2 2 0 8 0 amappl1 80 12818 0 12274 14 1 13 14 0 8 0 amappl 88 11967 0 11820 5 0 5 5 0 92 0 uvmvnodes 80 4468 0 0 92 0 92 92 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 1 0 1 1 0 1 1 0 8 1 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 255 0 255 2 1 1 1 0 8 1 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 35 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1442 0 1414 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1442 0 1414 1 0 1 1 0 8 0 vmmpekpl 168 12461 0 12406 3 0 3 3 0 8 0 vmmpepl 168 96795 0 94990 96 1 95 95 0 357 9 vmsppl 368 1441 0 1414 4 1 3 4 0 8 0 rwobjpl 40 31414 0 26077 54 0 54 54 0 8 0 pdppl 4096 2890 0 2828 114 48 66 78 0 8 4 pvpl 32 652229 0 643722 121 0 121 121 0 265 24 pmappl 216 1441 0 1414 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 418 0 73 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace memcpy() at memcpy+0x19 ufs_reclaim(fffffd8064c2ea80) at ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137 ffs_reclaim(ffff80002a823a38) at ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519 VOP_RECLAIM(fffffd8064c2ea80,ffff80002a7b6010) at VOP_RECLAIM+0x6e sys/kern/vfs_vops.c:512 vclean(fffffd8064c2ea80,8,ffff80002a7b6010) at vclean+0x322 sys/kern/vfs_subr.c:1096 vgonel(fffffd8064c2ea80,ffff80002a7b6010) at vgonel+0xb0 sys/kern/vfs_subr.c:1186 vrecycle(fffffd8064c2ea80,ffff80002a7b6010) at vrecycle+0x7c sys/kern/vfs_subr.c:1137 ufs_inactive(ffff80002a823c00) at ufs_inactive+0x359 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8064c2ea80,ffff80002a7b6010) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd8064c2ea80) at vput+0xdc sys/kern/vfs_subr.c:790 VOP_REMOVE(fffffd8064c2e138,fffffd8064c2ea80,ffff80002a823d68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a7b6010,ffffff9c,759727efca30,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a823ed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a823ed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759727efcee0, count: -14 ddb> machine ddbcpu 1 No such command ddb> trace memcpy() at memcpy+0x19 ufs_reclaim(fffffd8064c2ea80) at ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137 ffs_reclaim(ffff80002a823a38) at ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519 VOP_RECLAIM(fffffd8064c2ea80,ffff80002a7b6010) at VOP_RECLAIM+0x6e sys/kern/vfs_vops.c:512 vclean(fffffd8064c2ea80,8,ffff80002a7b6010) at vclean+0x322 sys/kern/vfs_subr.c:1096 vgonel(fffffd8064c2ea80,ffff80002a7b6010) at vgonel+0xb0 sys/kern/vfs_subr.c:1186 vrecycle(fffffd8064c2ea80,ffff80002a7b6010) at vrecycle+0x7c sys/kern/vfs_subr.c:1137 ufs_inactive(ffff80002a823c00) at ufs_inactive+0x359 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd8064c2ea80,ffff80002a7b6010) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd8064c2ea80) at vput+0xdc sys/kern/vfs_subr.c:790 VOP_REMOVE(fffffd8064c2e138,fffffd8064c2ea80,ffff80002a823d68) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a7b6010,ffffff9c,759727efca30,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1904 syscall(ffff80002a823ed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a823ed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x759727efcee0, count: -14