uvm_fault(0xfffffd807ea482f8, 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 *476814 32453 0 0 0x4000000 0 syz-executor dovutimens(ffff8000338c9a20,fffffd8075b4c390,ffff80003c921d40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff8000338c9a20,ffff80003c921e80,ffff80003c921dd0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003c921e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c921e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4c32e4a94b0, 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(0xfffffd807ea482f8, 0x70, 0, 1) -> e ddb> trace dovutimens(ffff8000338c9a20,fffffd8075b4c390,ffff80003c921d40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff8000338c9a20,ffff80003c921e80,ffff80003c921dd0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003c921e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c921e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4c32e4a94b0, count: -4 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003c921d10 rbx 0x3e80 __ALIGN_SIZE+0x2e80 rdx 0 rcx 0xbf68 __ALIGN_SIZE+0xaf68 rax 0 r8 0x7f7fffffc000 r9 0 r10 0x903c46bc5e3380b4 r11 0x5ab28f93d1bc9b95 r12 0xffff80003c921d40 r13 0xbf68 __ALIGN_SIZE+0xaf68 r14 0xfffffd8075b4c390 r15 0xffff8000338c9a20 rip 0xffffffff818e91b8 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c921c10 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=476814 pid=32453 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=0xffff8000338c9788,0xffffffff83ac5f50 process=0xffff8000ffff8d98 user=0xffff80003c91c000, vmspace=0xfffffd807ea482f8 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 32453 56779 91150 0 2 0 syz-executor *32453 476814 91150 0 7 0x4000000 syz-executor 47130 36276 33465 0 2 0 syz-executor 47130 433077 33465 0 3 0x4000080 fsleep syz-executor 27033 297669 62469 0 2 0xc80 syz-executor 27033 453713 62469 0 3 0x4000080 sbwait syz-executor 17329 425351 90416 0 2 0 syz-executor 17329 495865 90416 0 3 0x4000080 lockf syz-executor 17329 376667 90416 0 3 0x4000080 lockf syz-executor 17329 424392 90416 0 2 0x4000000 syz-executor 17329 462936 90416 0 2 0x4000000 syz-executor 87706 476195 2239 0 2 0x1 syz-executor 87706 141935 2239 0 3 0x4000080 fsleep syz-executor 5901 91899 44245 0 3 0x80 nanoslp syz-executor 5901 379889 44245 0 3 0x4000080 fsleep syz-executor 5901 176666 44245 0 3 0x4000080 fsleep syz-executor 31639 47811 1 0 3 0x100083 ttyin getty 88547 108166 24724 0 2 0x2 syz-executor 90416 291759 24724 0 2 0xc82 syz-executor 44245 140056 24724 0 2 0xc82 syz-executor 98077 275574 24724 0 2 0xc82 syz-executor 33465 492867 24724 0 2 0xc82 syz-executor 91150 447702 24724 0 2 0xc82 syz-executor 62469 124756 24724 0 2 0xc82 syz-executor 2239 326653 24724 0 2 0xc82 syz-executor 24724 118446 13791 0 3 0x82 kqread syz-executor 13791 109559 18265 0 3 0x10008a sigsusp ksh 18265 483168 1644 0 3 0x98 kqread sshd-session 1644 430158 78688 0 3 0x92 kqread sshd-session 78688 97176 1 0 3 0x88 kqread sshd 68895 426705 95631 73 3 0x1100090 kqread syslogd 95631 244090 1 0 3 0x100082 sbwait syslogd 24054 436961 1 0 3 0x100080 kqread resolvd 86683 380513 74855 77 3 0x100092 kqread dhcpleased 43742 276693 74855 77 3 0x100092 kqread dhcpleased 74855 492886 1 0 3 0x80 kqread dhcpleased 62675 114154 0 0 3 0x14200 bored smr 91222 357721 0 0 2 0x14200 zerothread 53930 476719 0 0 3 0x14200 aiodoned aiodoned 95921 410136 0 0 3 0x14200 syncer update 68847 83311 0 0 3 0x14200 cleaner cleaner 83897 354820 0 0 3 0x14200 reaper reaper 8898 400125 0 0 3 0x14200 pgdaemon pagedaemon 49989 112129 0 0 3 0x14200 bored viomb 87485 131316 0 0 3 0x40014200 acpi0 acpi0 5557 429276 0 0 3 0x14200 bored softnet0 21839 359368 0 0 3 0x14200 bored systqmp 83720 353673 0 0 3 0x14200 bored systq 19394 244466 0 0 3 0x40014200 tmoslp softclock 81769 181862 0 0 3 0x40014200 idle0 1 514080 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 11046 12193K 12719K 166960K 12513 0 pcb 19 14K 16K 166960K 199 0 rtable 239 7K 7K 166960K 365 0 pf 30 12K 13K 166960K 35 0 ifaddr 42 7K 8K 166960K 48 0 ifgroup 50 2K 2K 166960K 59 0 sysctl 1 1K 9K 166960K 5 0 counters 33 17K 18K 166960K 37 0 ioctlops 0 0K 4K 166960K 65 0 iov 0 0K 12K 166960K 7 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1360 86K 86K 166960K 1636 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 21 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 356 0 proc 60 59K 91K 166960K 531 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 18 0 in_multi 99 7K 7K 166960K 104 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 18 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 396 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 150K 159K 166960K 4902 0 UVM aobj 6 2K 2K 166960K 7 0 pinsyscall 38 76K 94K 166960K 1470 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 7 0 NDP 11 0K 2K 166960K 29 0 temp 45 9108K 9174K 166960K 15334 0 kqueue 14 22K 24K 166960K 47 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 78 0 74 2 1 1 2 0 8 0 rtentry 136 114 0 4 4 0 4 4 0 8 0 unpcb 144 222 0 205 6 5 1 6 0 8 0 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpcb 736 135 0 129 7 6 1 7 0 8 0 arp 96 18 0 0 1 0 1 1 0 8 0 ipq 40 3 0 2 1 0 1 1 0 8 0 ipqe 40 5 0 4 1 0 1 1 0 8 0 inpcb 328 466 0 454 19 7 12 13 0 8 10 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 25 0 1 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 2 0 2 1 1 0 1 0 8 0 pppxif 1416 2 0 2 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 462 0 10 29 0 29 29 0 8 0 art_table 40 463 0 10 5 0 5 5 0 8 0 art_node 32 114 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 0 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 72 19 0 9 1 0 1 1 0 8 0 shmpl 112 4 0 1 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1957 0 501 92 0 92 92 0 8 0 ffsino 256 1957 0 501 92 0 92 92 0 8 0 nchpl 144 2453 0 756 64 0 64 64 0 8 0 vnodes 216 2222 0 0 124 0 124 124 0 8 0 namei 1024 7338 0 7338 3 2 1 2 0 8 1 kstatmem 264 27 0 4 2 0 2 2 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 8034 0 8034 4 3 1 4 1 8 1 plimitpl 152 79 0 62 1 0 1 1 0 8 0 sigapl 424 655 0 613 6 1 5 6 0 8 0 knotepl 120 11458 0 11157 12 1 11 11 0 8 1 kqueuepl 184 78 0 66 1 0 1 1 0 8 0 pipepl 304 134 0 107 3 0 3 3 0 8 0 fdescpl 448 642 0 613 5 1 4 5 0 8 0 filepl 120 2992 0 2768 15 4 11 11 0 8 4 lockfpl 104 97 0 89 1 0 1 1 0 8 0 lockfspl 48 44 0 40 1 0 1 1 0 8 0 sessionpl 144 64 0 56 1 0 1 1 0 8 0 pgrppl 48 74 0 58 1 0 1 1 0 8 0 ucredpl 104 238 0 227 1 0 1 1 0 8 0 zombiepl 144 692 0 691 2 1 1 1 0 8 0 processpl 1152 655 0 613 4 0 4 4 0 8 0 procpl 664 1005 0 953 7 1 6 6 0 8 0 sockpl 552 774 0 740 22 11 11 13 0 8 8 mcl64k 65536 21 0 20 1 0 1 1 0 8 0 mcl16k 16384 7 0 7 1 1 0 1 0 8 0 mcl12k 12288 1 0 1 1 1 0 1 0 8 0 mcl9k128 9344 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 8 0 8 2 1 1 1 0 8 1 mcl4k 4096 2860 0 2810 16 8 8 15 0 8 0 mcl2k 2048 346 0 342 2 1 1 1 0 8 0 mtagpl 96 4 0 4 1 1 0 1 0 8 0 mbufpl 256 6500 0 6312 19 6 13 18 0 8 1 bufpl 280 2891 0 105 199 0 199 199 0 8 0 anonpl 24 101018 0 97845 46 1 45 45 0 186 21 amapchunkpl 152 14354 0 13887 27 6 21 27 0 158 1 amappl16 200 1607 0 1580 17 6 11 15 0 8 8 amappl15 192 6 0 5 1 0 1 1 0 8 0 amappl14 184 414 0 413 1 0 1 1 0 8 0 amappl13 176 116 0 106 1 0 1 1 0 8 0 amappl12 168 884 0 855 2 0 2 2 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 57 0 47 1 0 1 1 0 8 0 amappl9 144 269 0 269 1 1 0 1 0 8 0 amappl8 136 95 0 94 1 0 1 1 0 8 0 amappl7 128 141 0 130 1 0 1 1 0 8 0 amappl6 120 146 0 145 1 0 1 1 0 8 0 amappl5 112 92 0 84 1 0 1 1 0 8 0 amappl4 104 298 0 281 1 0 1 1 0 8 0 amappl3 96 2864 0 2755 4 1 3 4 0 8 0 amappl2 88 533 0 480 2 0 2 2 0 8 0 amappl1 80 11091 0 10536 13 1 12 13 0 8 0 amappl 88 4184 0 4025 5 1 4 5 0 92 0 uvmvnodes 80 102 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 2 1 1 1 0 8 1 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 6 0 1 1 0 1 1 0 8 0 uaddrrnd 24 642 0 613 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 642 0 613 1 0 1 1 0 8 0 vmmpekpl 168 6965 0 6932 2 0 2 2 0 8 0 vmmpepl 168 48552 0 46768 91 0 91 91 0 357 10 vmsppl 368 641 0 613 4 1 3 4 0 8 0 rwobjpl 40 16254 0 15300 13 0 13 13 0 8 1 pdppl 4096 1290 0 1226 94 28 66 80 0 8 2 pvpl 32 281545 0 272876 121 4 117 117 0 265 38 pmappl 216 641 0 613 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 377 0 58 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff8000338c9a20,fffffd8075b4c390,ffff80003c921d40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff8000338c9a20,ffff80003c921e80,ffff80003c921dd0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003c921e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c921e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4c32e4a94b0, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff8000338c9a20,fffffd8075b4c390,ffff80003c921d40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2777 sys_futimes(ffff8000338c9a20,ffff80003c921e80,ffff80003c921dd0) at sys_futimes+0x208 sys/kern/vfs_syscalls.c:2819 syscall(ffff80003c921e80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c921e80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4c32e4a94b0, count: -4