uvm_fault(0xffffffff839c6698, 0xffff800026222300, 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 *115072 58269 0 0x2 0 0 syz-executor memcpy() at memcpy+0x19 ufs_reclaim(fffffd806cf39c10) at ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137 ffs_reclaim(ffff80002a8674c8) at ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519 VOP_RECLAIM(fffffd806cf39c10,ffff80002a736a68) at VOP_RECLAIM+0x6e sys/kern/vfs_vops.c:512 vclean(fffffd806cf39c10,8,ffff80002a736a68) at vclean+0x322 sys/kern/vfs_subr.c:1095 vgonel(fffffd806cf39c10,ffff80002a736a68) at vgonel+0xb0 sys/kern/vfs_subr.c:1185 vrecycle(fffffd806cf39c10,ffff80002a736a68) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80002a867690) at ufs_inactive+0x359 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd806cf39c10,ffff80002a736a68) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806cf39c10) at vput+0xdc sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806cf39550,fffffd806cf39c10,ffff80002a8677f8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a736a68,ffffff9c,7e7fbaf27470,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1929 syscall(ffff80002a867960) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a867960) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e7fbaf27920, 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(0xffffffff839c6698, 0xffff800026222300, 0, 2) -> d ddb> trace memcpy() at memcpy+0x19 ufs_reclaim(fffffd806cf39c10) at ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137 ffs_reclaim(ffff80002a8674c8) at ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519 VOP_RECLAIM(fffffd806cf39c10,ffff80002a736a68) at VOP_RECLAIM+0x6e sys/kern/vfs_vops.c:512 vclean(fffffd806cf39c10,8,ffff80002a736a68) at vclean+0x322 sys/kern/vfs_subr.c:1095 vgonel(fffffd806cf39c10,ffff80002a736a68) at vgonel+0xb0 sys/kern/vfs_subr.c:1185 vrecycle(fffffd806cf39c10,ffff80002a736a68) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80002a867690) at ufs_inactive+0x359 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd806cf39c10,ffff80002a736a68) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806cf39c10) at vput+0xdc sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806cf39550,fffffd806cf39c10,ffff80002a8677f8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a736a68,ffffff9c,7e7fbaf27470,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1929 syscall(ffff80002a867960) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a867960) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e7fbaf27920, count: -14 ddb> show registers rdi 0xffff800026222300 rsi 0xfffffd806f35aa00 rbp 0xffff80002a867420 rbx 0xffff800026222300 rdx 0x100 rcx 0x20 rax 0xffff80002a736a68 r8 0xffffffffffffffff r9 0x32a00 acpi_pdirpa+0x1e871 r10 0xb7eefd0338543dc9 r11 0xffff800026222300 r12 0x300 r13 0x2 r14 0 r15 0xfffffd80621905a0 rip 0xffffffff811bfba9 memcpy+0x19 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002a8673b8 ss 0x10 memcpy+0x19: repe movsq (%rsi),%es:(%rdi) ddb> show proc PROC (syz-executor) tid=115072 pid=58269 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=0xffff80002a737760,0xffff80002a7362b0 process=0xffff80002a79d210 user=0xffff80002a862000, vmspace=0xfffffd8071b358a8 estcpu=36, cpticks=3, pctcpu=0.0, user=0, sys=3, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 87461 240774 38364 0 2 0 syz-executor 87461 240586 38364 0 3 0x4000080 nanoslp syz-executor 87461 365690 38364 0 3 0x4000080 nanoslp syz-executor 13243 268136 92222 0 2 0 syz-executor 13243 507065 92222 0 3 0x4000080 fsleep syz-executor 13243 125330 92222 0 3 0x4000080 fsleep syz-executor 14362 210585 11579 0 2 0 syz-executor 14362 93113 11579 0 3 0x4000080 fsleep syz-executor 36756 374571 41141 60929 3 0x90 nanoslp syz-executor 36756 474667 41141 60929 3 0x4000090 pipewr syz-executor 36756 45380 41141 60929 3 0x4000090 fsleep syz-executor 88096 461249 12218 0 2 0 syz-executor 88096 487583 12218 0 2 0x4000c80 syz-executor 88096 91946 12218 0 2 0x4000000 syz-executor 44860 271656 76597 0 3 0x80 nanoslp syz-executor 44860 222792 76597 0 3 0x4000080 netcon syz-executor 44860 232194 76597 0 3 0x4000080 fsleep syz-executor 13057 387129 16811 -1 3 0x90 nanoslp syz-executor 13057 38170 16811 -1 3 0x4000090 kqsel syz-executor 13057 131219 16811 -1 3 0x4000090 fsleep syz-executor 27496 206798 0 0 3 0x14200 acct acct 76597 240225 72568 0 3 0x82 nanoslp syz-executor 26745 383564 1 0 3 0x80 nanoslp init 27897 158120 0 0 3 0x14280 nfsidl nfsio 87097 446355 0 0 3 0x14280 nfsidl nfsio 98398 212317 0 0 3 0x14280 nfsidl nfsio 9705 413805 0 0 3 0x14280 nfsidl nfsio 72633 402839 0 0 3 0x14280 nfsidl nfsio 65960 334885 0 0 3 0x14280 nfsidl nfsio 71264 24111 0 0 3 0x14280 nfsidl nfsio 8885 60895 0 0 3 0x14280 nfsidl nfsio 9689 371025 0 0 3 0x14280 nfsidl nfsio 59683 11625 0 0 3 0x14280 nfsidl nfsio 98135 517681 0 0 3 0x14280 nfsidl nfsio 50934 189357 0 0 3 0x14280 nfsidl nfsio 31717 1047 0 0 3 0x14280 nfsidl nfsio 9499 457266 0 0 3 0x14280 nfsidl nfsio 20300 102843 0 0 3 0x14280 nfsidl nfsio 38986 231010 0 0 3 0x14280 nfsidl nfsio 62529 333982 0 0 3 0x14280 nfsidl nfsio 55888 280182 0 0 3 0x14280 nfsidl nfsio 28449 514279 0 0 3 0x14280 nfsidl nfsio 9355 197121 0 0 3 0x14280 nfsidl nfsio 92222 517267 72568 0 3 0x82 nanoslp syz-executor 12218 260199 72568 0 3 0x82 nanoslp syz-executor *58269 115072 72568 0 7 0x2 syz-executor 11579 61131 72568 0 3 0x82 nanoslp syz-executor 16811 23557 72568 0 3 0x82 nanoslp syz-executor 41141 119014 72568 0 3 0x82 nanoslp syz-executor 38364 23531 72568 0 3 0x82 nanoslp syz-executor 72568 75830 1 0 2 0x2 syz-executor 36922 424702 1 73 3 0x1100090 kqread syslogd 56135 453595 0 0 3 0x14200 bored smr 55267 378788 0 0 2 0x14200 zerothread 52324 227491 0 0 3 0x14200 aiodoned aiodoned 1195 196858 0 0 3 0x14200 syncer update 39920 299710 0 0 3 0x14200 cleaner cleaner 13038 423572 0 0 3 0x14200 reaper reaper 36430 53847 0 0 3 0x14200 pgdaemon pagedaemon 97010 127058 0 0 3 0x14200 bored viomb 48411 265853 0 0 3 0x40014200 acpi0 acpi0 47627 167141 0 0 3 0x14200 bored softnet0 50844 40343 0 0 3 0x14200 bored systqmp 31265 204520 0 0 3 0x14200 bored systq 71893 16440 0 0 2 0x40014200 softclock 96961 296930 0 0 3 0x40014200 idle0 1 366747 0 0 3 0x80082 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 11036 12109K 12578K 166960K 12528 0 pcb 19 13K 14K 166960K 168 0 rtable 214 15K 15K 166960K 440 0 pf 31 13K 18K 166960K 67 0 ifaddr 36 6K 7K 166960K 59 0 ifgroup 50 2K 2K 166960K 77 0 sysctl 4 1K 9K 166960K 11 0 counters 33 17K 18K 166960K 49 0 ioctlops 0 0K 4K 166960K 121 0 iov 0 0K 12K 166960K 46 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1290 81K 82K 166960K 1662 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 5K 166960K 5 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 79 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 508 0 sigio 0 0K 0K 166960K 4 0 proc 11 17K 91K 166960K 579 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 41 0 in_multi 77 5K 7K 166960K 127 0 ether_multi 1 0K 0K 166960K 5 0 mrt 1 0K 0K 166960K 20 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 405 0 fusefs mount 1 32K 32K 166960K 1 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 153 79K 159K 166960K 6084 0 UVM aobj 12 2K 2K 166960K 12 0 pinsyscall 20 40K 95K 166960K 1639 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 8 0 NDP 11 0K 2K 166960K 39 0 temp 75 9116K 9180K 166960K 16158 0 kqueue 3 4K 30K 166960K 111 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 62 0 61 1 0 1 1 0 8 0 rtentry 136 129 0 40 4 0 4 4 0 8 0 unpcb 144 499 0 495 6 5 1 6 0 8 0 syncache 336 6 0 6 1 1 0 1 0 8 0 tcpcb 736 148 0 146 4 0 4 4 0 8 3 arp 96 20 0 6 1 0 1 1 0 8 0 ipq 40 4 0 0 1 0 1 1 0 8 0 ipqe 40 5 0 0 1 0 1 1 0 8 0 inpcb 328 480 0 474 7 3 4 4 0 8 3 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 112 31 0 13 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1072 13 0 13 1 1 0 1 0 8 0 pfrktable 1344 3 0 3 1 1 0 1 0 8 0 pfanchor 1288 2 0 2 1 1 0 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 4 0 2 1 0 1 1 0 8 0 pfstate 384 2 0 1 1 0 1 1 0 8 0 pfrule 1360 3 0 3 1 1 0 1 0 8 0 rttmr 136 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 531 0 164 31 2 29 31 0 8 4 art_table 40 533 0 164 5 0 5 5 0 8 0 art_node 32 129 0 48 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 2 1 1 1 0 8 0 semapl 72 76 0 66 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 21 0 4 3 0 3 3 0 8 0 dino2pl 256 2291 0 828 92 0 92 92 0 8 0 ffsino 256 2291 0 828 92 0 92 92 0 8 0 nchpl 144 3018 0 1309 64 0 64 64 0 8 0 rtmask 32 4 0 4 1 1 0 1 0 8 0 vnodes 216 2501 0 0 139 0 139 139 0 8 0 namei 1024 9670 0 9670 3 2 1 2 0 8 1 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 43 0 20 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 11676 0 11676 15 7 8 8 1 8 8 plimitpl 152 107 0 95 1 0 1 1 0 8 0 sigapl 424 824 0 770 8 0 8 8 0 8 0 knotepl 120 17308 0 17286 30 20 10 16 0 8 8 kqueuepl 184 148 0 145 1 0 1 1 0 8 0 pipepl 304 144 0 116 3 0 3 3 0 8 0 fdescpl 448 790 0 770 5 1 4 5 0 8 0 filepl 120 4327 0 4075 11 3 8 11 0 8 0 lockfpl 104 162 0 161 1 0 1 1 0 8 0 lockfspl 48 73 0 72 1 0 1 1 0 8 0 sessionpl 144 49 0 46 1 0 1 1 0 8 0 pgrppl 48 59 0 48 1 0 1 1 0 8 0 ucredpl 104 719 0 712 1 0 1 1 0 8 0 zombiepl 144 770 0 770 1 0 1 1 0 8 1 processpl 1152 824 0 770 5 0 5 5 0 8 0 procpl 664 1360 0 1293 7 0 7 7 0 8 0 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 552 1052 0 1041 14 10 4 12 0 8 3 mcl64k 65536 16 0 16 2 1 1 1 0 8 1 mcl16k 16384 3 0 3 1 1 0 1 0 8 0 mcl9k128 9344 2 0 2 1 1 0 1 0 8 0 mcl8k 8192 7 0 7 2 1 1 1 0 8 1 mcl4k 4096 3037 0 2984 14 6 8 13 0 8 0 mcl2k2 2112 2 0 2 2 1 1 1 0 8 1 mcl2k 2048 454 0 453 2 0 2 2 0 8 1 mtagpl 96 12 0 10 1 0 1 1 0 8 0 mbufpl 256 8268 0 8112 15 0 15 15 0 8 3 bufpl 280 6540 0 324 445 0 445 445 0 8 0 anonpl 24 140974 0 139102 57 21 36 44 0 186 13 amapchunkpl 152 19667 0 19259 32 7 25 27 0 158 7 amappl16 200 2707 0 2683 25 11 14 14 0 8 10 amappl15 192 3 0 3 1 1 0 1 0 8 0 amappl14 184 421 0 421 1 0 1 1 0 8 1 amappl13 176 125 0 124 1 0 1 1 0 8 0 amappl12 168 1027 0 1009 2 0 2 2 0 8 0 amappl11 160 11 0 11 1 1 0 1 0 8 0 amappl10 152 82 0 80 1 0 1 1 0 8 0 amappl9 144 285 0 285 1 1 0 1 0 8 0 amappl8 136 101 0 100 1 0 1 1 0 8 0 amappl7 128 142 0 138 1 0 1 1 0 8 0 amappl6 120 162 0 161 1 0 1 1 0 8 0 amappl5 112 90 0 88 1 0 1 1 0 8 0 amappl4 104 273 0 267 1 0 1 1 0 8 0 amappl3 96 3824 0 3737 3 0 3 3 0 8 0 amappl2 88 537 0 521 2 0 2 2 0 8 0 amappl1 80 11779 0 11650 14 5 9 14 0 8 1 amappl 88 5285 0 5150 4 0 4 4 0 92 0 uvmvnodes 80 117 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 2 0 2 2 1 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 128 253 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 18 0 17 1 0 1 1 0 8 0 aobjpl 72 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 790 0 770 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 790 0 770 1 0 1 1 0 8 0 vmmpekpl 168 7774 0 7733 2 0 2 2 0 8 0 vmmpepl 168 58143 0 57222 90 35 55 90 0 357 9 vmsppl 368 789 0 770 4 1 3 4 0 8 1 rwobjpl 40 18824 0 18344 13 1 12 13 0 8 0 pdppl 4096 1586 0 1540 98 50 48 82 0 8 2 pvpl 32 368451 0 363873 123 39 84 113 0 265 16 pmappl 216 789 0 770 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 378 0 70 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace memcpy() at memcpy+0x19 ufs_reclaim(fffffd806cf39c10) at ufs_reclaim+0x10f sys/ufs/ufs/ufs_inode.c:137 ffs_reclaim(ffff80002a8674c8) at ffs_reclaim+0x43 sys/ufs/ffs/ffs_vnops.c:519 VOP_RECLAIM(fffffd806cf39c10,ffff80002a736a68) at VOP_RECLAIM+0x6e sys/kern/vfs_vops.c:512 vclean(fffffd806cf39c10,8,ffff80002a736a68) at vclean+0x322 sys/kern/vfs_subr.c:1095 vgonel(fffffd806cf39c10,ffff80002a736a68) at vgonel+0xb0 sys/kern/vfs_subr.c:1185 vrecycle(fffffd806cf39c10,ffff80002a736a68) at vrecycle+0x7c sys/kern/vfs_subr.c:1136 ufs_inactive(ffff80002a867690) at ufs_inactive+0x359 sys/ufs/ufs/ufs_inode.c:107 VOP_INACTIVE(fffffd806cf39c10,ffff80002a736a68) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806cf39c10) at vput+0xdc sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806cf39550,fffffd806cf39c10,ffff80002a8677f8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a736a68,ffffff9c,7e7fbaf27470,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1929 syscall(ffff80002a867960) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a867960) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e7fbaf27920, count: -14 ddb>