uvm_fault(0xfffffd806cace180, 0x70, 0, 1) -> e kernel: page fault trap, code=0 Stopped at dovutimens+0x368: movl 0x70(%rax),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND *282377 41565 0 0 0x4000000 0 syz-executor dovutimens(ffff80003a4d6020,fffffd806c42ed08,ffff80003bce1620) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff80003a4d6020,ffff80003bce1760,ffff80003bce16b0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003bce1760) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003bce1760) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46a16128fb0, count: 11 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(0xfffffd806cace180, 0x70, 0, 1) -> e ddb> trace dovutimens(ffff80003a4d6020,fffffd806c42ed08,ffff80003bce1620) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff80003a4d6020,ffff80003bce1760,ffff80003bce16b0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003bce1760) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003bce1760) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46a16128fb0, count: -4 ddb> show registers rdi 0xffff80002a8a4000 rsi 0x3e rbp 0xffff80003bce15f0 rbx 0x1f40 __ALIGN_SIZE+0xf40 rdx 0xffff80002a8a4000 rcx 0x3d rax 0 r8 0x7f7fffffc000 r9 0 r10 0xd5b9eca2a6e6ee3 r11 0x915146542bbb9e25 r12 0xffff80003bce1620 r13 0x1fe410 acpi_pdirpa+0x1ea281 r14 0xfffffd806c42ed08 r15 0xffff80003a4d6020 rip 0xffffffff818e91b8 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003bce14f0 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=282377 pid=41565 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003a4d7778,0xffff80003c901790 process=0xffff8000ffff8918 user=0xffff80003bcdc000, vmspace=0xfffffd806cace180 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 73028 68690 88313 0 2 0 syz-executor 73028 267136 88313 0 2 0x4000000 syz-executor 41565 395447 62646 0 2 0 syz-executor *41565 282377 62646 0 7 0x4000000 syz-executor 49291 155337 89174 0 2 0x10 syz-executor 49291 283644 89174 0 3 0x4000090 fsleep syz-executor 27201 210115 68397 0 2 0 syz-executor 27201 184015 68397 0 3 0x4000080 fsleep syz-executor 69928 403024 27235 -1 2 0xc90 syz-executor 69928 407105 27235 -1 3 0x4000090 kqsel syz-executor 69928 321282 27235 -1 3 0x4000090 fsleep syz-executor 41630 227239 22810 0 3 0x80 nanoslp syz-executor 41630 305145 22810 0 3 0x4000080 pipewr syz-executor 41630 232844 22810 0 3 0x4000080 pipewr syz-executor 41630 443844 22810 0 3 0x4000080 fsleep syz-executor 80435 75729 62040 0 2 0 syz-executor 80435 433889 62040 0 2 0x4000000 syz-executor 80435 292830 62040 0 3 0x4000080 fsleep syz-executor 68397 157213 55794 0 2 0xc82 syz-executor 81038 401655 55794 0 2 0x2 syz-executor 27235 115359 55794 0 2 0xc82 syz-executor 22810 456513 55794 0 3 0x82 nanoslp syz-executor 88313 380870 55794 0 3 0x82 nanoslp syz-executor 62040 8621 55794 0 2 0xc82 syz-executor 89174 395496 55794 0 2 0xc82 syz-executor 62646 12174 55794 0 2 0xc82 syz-executor 55794 7161 74344 0 3 0x82 kqread syz-executor 74344 425199 47877 0 3 0x10008a sigsusp ksh 47877 262269 99709 0 3 0x98 kqread sshd-session 99709 436083 2354 0 3 0x92 kqread sshd-session 31163 171332 1 0 3 0x100083 ttyin getty 2354 515285 1 0 3 0x88 kqread sshd 62449 370958 29080 73 3 0x1100090 kqread syslogd 29080 185494 1 0 3 0x100082 sbwait syslogd 8835 335738 1 0 3 0x100080 kqread resolvd 18900 56428 57680 77 3 0x100092 kqread dhcpleased 51322 115355 57680 77 3 0x100092 kqread dhcpleased 57680 175730 1 0 3 0x80 kqread dhcpleased 65735 44206 0 0 3 0x14200 bored smr 57055 447564 0 0 2 0x14200 zerothread 40927 257428 0 0 3 0x14200 aiodoned aiodoned 38931 38906 0 0 3 0x14200 syncer update 21366 118549 0 0 3 0x14200 cleaner cleaner 65965 377192 0 0 3 0x14200 reaper reaper 13643 33609 0 0 3 0x14200 pgdaemon pagedaemon 95286 309194 0 0 3 0x14200 bored viomb 77127 158793 0 0 3 0x40014200 acpi0 acpi0 87932 249642 0 0 3 0x14200 bored softnet0 25216 116863 0 0 3 0x14200 bored systqmp 58181 276941 0 0 3 0x14200 syncxs systq 99914 110068 0 0 3 0x40014200 tmoslp softclock 14305 457195 0 0 3 0x40014200 idle0 1 339891 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 11039 12166K 12380K 166960K 12223 0 pcb 17 12K 12K 166960K 41 0 rtable 210 6K 7K 166960K 365 0 pf 28 12K 92K 166960K 52 0 ifaddr 37 6K 7K 166960K 52 0 ifgroup 46 2K 2K 166960K 66 0 sysctl 3 1K 9K 166960K 8 0 counters 32 17K 18K 166960K 42 0 ioctlops 0 0K 4K 166960K 54 0 iov 0 0K 16K 166960K 5 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1294 81K 82K 166960K 1440 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 7 0K 0K 166960K 9 0 dirhash 15 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 85K 166960K 226 0 sigio 0 0K 0K 166960K 2 0 proc 60 59K 83K 166960K 512 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 12 0 in_multi 84 6K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 4 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 380 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 222 143K 152K 166960K 3703 0 UVM aobj 4 2K 2K 166960K 5 0 pinsyscall 38 76K 90K 166960K 1326 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 4 0 NDP 10 0K 2K 166960K 32 0 temp 42 9103K 9167K 166960K 5449 0 kqueue 14 22K 24K 166960K 41 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 vscsiccb 40 1 0 0 1 0 1 1 0 8 0 rtpcb 120 43 0 40 1 0 1 1 0 8 0 rtentry 136 112 0 18 4 0 4 4 0 8 0 unpcb 144 88 0 70 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 23 0 18 1 0 1 1 0 8 0 arp 96 18 0 2 1 0 1 1 0 8 0 inpcb 328 115 0 104 2 0 2 2 0 8 1 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 24 0 5 1 0 1 1 0 8 0 pkpcb 40 66 0 66 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 7 0 7 1 0 1 1 0 8 1 pppxif 1416 1 0 1 1 0 1 1 0 8 1 pfrktable 1344 1 0 1 1 0 1 1 0 8 1 pfsrclim 320 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 1 0 1 1 0 1 1 0 8 1 pftag 88 1 0 1 1 0 1 1 0 8 1 pfrule 1360 1 0 1 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 459 0 66 29 0 29 29 0 8 2 art_table 40 460 0 66 5 0 5 5 0 8 0 art_node 32 112 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semapl 72 5 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 0 3 0 3 3 0 8 0 dino2pl 256 1752 0 295 92 0 92 92 0 8 0 ffsino 256 1752 0 295 92 0 92 92 0 8 0 nchpl 144 2058 0 367 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 1873 0 0 105 0 105 105 0 8 0 namei 1024 6363 0 6362 1 0 1 1 0 8 0 kstatmem 264 33 0 12 2 0 2 2 0 8 0 scxspl 216 7412 0 7411 3 0 3 3 1 8 2 plimitpl 152 39 0 22 1 0 1 1 0 8 0 sigapl 424 521 0 479 6 0 6 6 0 8 1 knotepl 120 6481 0 6238 9 0 9 9 0 8 1 kqueuepl 184 50 0 38 1 0 1 1 0 8 0 pipepl 304 124 0 96 3 0 3 3 0 8 0 fdescpl 448 508 0 479 4 0 4 4 0 8 0 filepl 120 2039 0 1820 9 0 9 9 0 8 1 lockfpl 104 53 0 51 1 0 1 1 0 8 0 lockfspl 48 24 0 22 1 0 1 1 0 8 0 sessionpl 144 26 0 18 1 0 1 1 0 8 0 pgrppl 48 38 0 22 1 0 1 1 0 8 0 ucredpl 104 154 0 141 1 0 1 1 0 8 0 zombiepl 144 479 0 479 1 0 1 1 0 8 1 processpl 1152 521 0 479 4 0 4 4 0 8 0 procpl 664 671 0 618 6 0 6 6 0 8 1 sockpl 552 318 0 286 8 0 8 8 0 8 5 mcl64k 65536 17 0 17 1 0 1 1 0 8 1 mcl16k 16384 5 0 5 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 9 0 9 1 0 1 1 0 8 1 mcl4k 4096 2606 0 2552 14 0 14 14 0 8 6 mcl2k 2048 203 0 201 2 0 2 2 0 8 1 mtagpl 96 6 0 5 1 0 1 1 0 8 0 mbufpl 256 5335 0 5195 20 0 20 20 0 8 8 bufpl 280 2880 0 102 199 0 199 199 0 8 0 anonpl 24 89100 0 85901 39 0 39 39 0 186 12 amapchunkpl 152 10479 0 9995 26 0 26 26 0 158 5 amappl16 200 1212 0 1185 5 0 5 5 0 8 0 amappl15 192 3 0 3 1 0 1 1 0 8 1 amappl14 184 411 0 410 1 0 1 1 0 8 0 amappl13 176 112 0 102 1 0 1 1 0 8 0 amappl12 168 750 0 722 2 0 2 2 0 8 0 amappl11 160 3 0 3 1 0 1 1 0 8 1 amappl10 152 82 0 72 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 0 1 1 0 8 1 amappl8 136 95 0 94 1 0 1 1 0 8 0 amappl7 128 138 0 127 1 0 1 1 0 8 0 amappl6 120 149 0 148 1 0 1 1 0 8 0 amappl5 112 93 0 85 1 0 1 1 0 8 0 amappl4 104 260 0 246 1 0 1 1 0 8 0 amappl3 96 2006 0 1893 3 0 3 3 0 8 0 amappl2 88 529 0 475 2 0 2 2 0 8 0 amappl1 80 10371 0 9826 13 0 13 13 0 8 1 amappl 88 3005 0 2844 4 0 4 4 0 92 0 uvmvnodes 80 99 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 1 1 0 1 1 0 8 0 uaddrrnd 24 508 0 479 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 508 0 479 1 0 1 1 0 8 0 vmmpekpl 168 6004 0 5970 2 0 2 2 0 8 0 vmmpepl 168 40817 0 39036 83 0 83 83 0 357 3 vmsppl 368 507 0 479 4 0 4 4 0 8 1 rwobjpl 40 14358 0 13415 11 0 11 11 0 8 0 pdppl 4096 1022 0 958 90 22 68 76 0 8 4 pvpl 32 236613 0 227557 116 0 116 116 0 265 23 pmappl 216 507 0 479 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 361 0 22 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff80003a4d6020,fffffd806c42ed08,ffff80003bce1620) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff80003a4d6020,ffff80003bce1760,ffff80003bce16b0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003bce1760) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003bce1760) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46a16128fb0, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff80003a4d6020,fffffd806c42ed08,ffff80003bce1620) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff80003a4d6020,ffff80003bce1760,ffff80003bce16b0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003bce1760) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003bce1760) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x46a16128fb0, count: -4