uvm_fault(0xfffffd8075481d00, 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 *221039 75304 0 0 0x4000000 0 syz-executor dovutimens(ffff80003c8edca8,fffffd806cc85060,ffff80003c93f7f0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c8edca8,ffff80003c93f930,ffff80003c93f880) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c93f930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c93f930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x478f715f710, 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(0xfffffd8075481d00, 0x70, 0, 1) -> e ddb> trace dovutimens(ffff80003c8edca8,fffffd806cc85060,ffff80003c93f7f0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c8edca8,ffff80003c93f930,ffff80003c93f880) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c93f930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c93f930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x478f715f710, count: -4 ddb> show registers rdi 0xffff8000338ce000 rsi 0x40 rbp 0xffff80003c93f7e0 rbx 0x6 rdx 0xffff8000338ce000 rcx 0x3f rax 0 r8 0x7f7fffffc000 r9 0 r10 0xc5435facef3f71e0 r11 0xb9af8bf047b1e65f r12 0xffff80003c93f7f0 r13 0x1000 __ALIGN_SIZE r14 0xfffffd806cc85060 r15 0xffff80003c8edca8 rip 0xffffffff81aa7f18 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c93f6e0 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=221039 pid=75304 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=0xffff80003c8ec550,0xffffffff839c2070 process=0xffff8000ffff9f98 user=0xffff80003c93a000, vmspace=0xfffffd8075481d00 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 75304 286960 76173 0 2 0 syz-executor *75304 221039 76173 0 7 0x4000000 syz-executor 48813 145934 2433 0 2 0 syz-executor 48813 98080 2433 0 3 0x4000080 ttyin syz-executor 21442 189687 68575 0 2 0 syz-executor 21442 258403 68575 0 3 0x4000080 kqread syz-executor 26857 154538 23150 -1 3 0x90 nanoslp syz-executor 26857 491079 23150 -1 3 0x4000090 sbwait syz-executor 53259 327516 25493 0 3 0x80 nanoslp syz-executor 53259 19662 25493 0 3 0x4000080 kqsel syz-executor 74187 409830 7849 0 3 0x90 nanoslp syz-executor 74187 480396 7849 0 3 0x4000010 inode syz-executor 74187 159586 7849 0 3 0x4000090 sbwait syz-executor 74187 334859 7849 0 3 0x4000090 fsleep syz-executor 25362 190318 59380 0 3 0x80 nanoslp syz-executor 25362 186920 59380 0 3 0x4000080 kqsel syz-executor 25362 132965 59380 0 3 0x4000080 fsleep syz-executor 23150 472389 86414 0 3 0x82 nanoslp syz-executor 59380 8372 86414 0 3 0x82 nanoslp syz-executor 7849 275556 86414 0 3 0x82 nanoslp syz-executor 76173 260767 86414 0 3 0x82 nanoslp syz-executor 68575 291466 86414 0 3 0x82 nanoslp syz-executor 2433 344901 86414 0 3 0x82 nanoslp syz-executor 60670 367372 86414 0 2 0x2 syz-executor 25493 484073 86414 0 3 0x82 nanoslp syz-executor 86414 299850 48250 0 3 0x82 kqread syz-executor 48250 481356 38597 0 3 0x10008a sigsusp ksh 38597 166940 33819 0 3 0x98 kqread sshd-session 33819 500307 60628 0 3 0x92 kqread sshd-session 6957 463751 1 0 3 0x100083 ttyin getty 60628 461841 1 0 3 0x88 kqread sshd 27010 167781 13181 73 3 0x1100090 kqread syslogd 13181 325412 1 0 3 0x100082 sbwait syslogd 6616 217418 1 0 3 0x100080 kqread resolvd 80332 193120 98163 77 3 0x100092 kqread dhcpleased 48537 268408 98163 77 3 0x100092 kqread dhcpleased 98163 175482 1 0 3 0x80 kqread dhcpleased 99868 378492 0 0 3 0x14200 bored smr 66562 199833 0 0 2 0x14200 zerothread 23500 439121 0 0 3 0x14200 aiodoned aiodoned 65132 437807 0 0 3 0x14200 syncer update 81 135154 0 0 3 0x14200 cleaner cleaner 9218 228281 0 0 3 0x14200 reaper reaper 76800 58424 0 0 3 0x14200 pgdaemon pagedaemon 38691 450338 0 0 3 0x14200 bored viomb 13350 351554 0 0 3 0x40014200 acpi0 acpi0 45969 469521 0 0 3 0x14200 bored softnet0 14963 22183 0 0 3 0x14200 bored systqmp 54746 419834 0 0 3 0x14200 bored systq 13133 500922 0 0 3 0x40014200 tmoslp softclock 15247 158587 0 0 3 0x40014200 idle0 1 308128 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 11045 12309K 12486K 166960K 12476 0 pcb 19 12K 12K 166960K 45 0 rtable 232 7K 7K 166960K 390 0 pf 31 13K 16K 166960K 42 0 ifaddr 45 8K 8K 166960K 53 0 ifgroup 53 2K 2K 166960K 62 0 sysctl 1 1K 9K 166960K 7 0 counters 33 17K 18K 166960K 37 0 ioctlops 0 0K 4K 166960K 116 0 iov 1 16K 16K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1302 82K 82K 166960K 1454 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 9 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 213 0 sigio 0 0K 0K 166960K 1 0 proc 60 59K 83K 166960K 501 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 6 0 in_multi 105 7K 7K 166960K 117 0 ether_multi 1 0K 0K 166960K 3 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 67 307K 307K 166960K 67 0 exec 0 0K 1K 166960K 365 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 3596 0 UVM aobj 6 2K 2K 166960K 6 0 pinsyscall 38 76K 94K 166960K 1284 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 1 0 NDP 11 0K 2K 166960K 29 0 temp 42 9079K 9144K 166960K 7786 0 kqueue 14 22K 24K 166960K 37 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 39 0 36 1 0 1 1 0 8 0 rtentry 136 120 0 17 4 0 4 4 0 8 0 unpcb 144 245 0 223 6 0 6 6 0 8 5 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 26 0 20 1 0 1 1 0 8 0 arp 96 18 0 0 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 1 0 0 1 0 1 1 0 8 0 inpcb 328 115 0 104 2 0 2 2 0 8 0 nd6 112 24 0 0 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 0 1 1 0 8 1 pppxif 1416 2 0 2 1 0 1 1 0 8 1 pfrule 1360 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 524 0 71 30 0 30 30 0 8 1 art_table 40 526 0 71 5 0 5 5 0 8 0 art_node 32 120 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 5 1 0 1 1 0 8 1 semapl 112 4 0 0 1 0 1 1 0 8 0 shmpl 112 3 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 1723 0 262 92 0 92 92 0 8 0 ffsino 256 1723 0 262 92 0 92 92 0 8 0 nchpl 144 2008 0 314 64 0 64 64 0 8 0 vnodes 216 1863 0 0 104 0 104 104 0 8 0 namei 1024 6003 0 6002 2 0 2 2 0 8 1 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scxspl 216 6733 0 6733 3 0 3 3 1 8 3 plimitpl 152 40 0 23 1 0 1 1 0 8 0 sigapl 424 500 0 458 6 0 6 6 0 8 1 knotepl 120 5110 0 5062 9 0 9 9 0 8 7 kqueuepl 184 38 0 26 1 0 1 1 0 8 0 pipepl 304 122 0 95 3 0 3 3 0 8 0 fdescpl 448 487 0 458 5 0 5 5 0 8 1 filepl 120 2122 0 1890 11 0 11 11 0 8 3 lockfpl 104 40 0 38 1 0 1 1 0 8 0 lockfspl 48 21 0 19 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 33 0 17 1 0 1 1 0 8 0 ucredpl 104 172 0 157 1 0 1 1 0 8 0 zombiepl 144 458 0 458 1 0 1 1 0 8 1 processpl 1152 500 0 458 4 0 4 4 0 8 0 procpl 664 642 0 590 6 0 6 6 0 8 1 sockpl 552 408 0 371 12 0 12 12 0 8 8 mcl64k 65536 9 0 8 1 0 1 1 0 8 0 mcl16k 16384 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 5 0 5 1 0 1 1 0 8 1 mcl4k 4096 2590 0 2538 13 0 13 13 0 8 5 mcl2k 2048 207 0 206 1 0 1 1 0 8 0 mtagpl 96 10 0 5 1 0 1 1 0 8 0 mbufpl 256 4839 0 4667 11 0 11 11 0 8 0 bufpl 280 2504 0 103 172 0 172 172 0 8 0 anonpl 24 105779 0 102607 23 0 23 23 0 187 2 amapchunkpl 152 10457 0 9991 26 0 26 26 0 158 6 amappl16 200 2038 0 2017 5 0 5 5 0 8 3 amappl15 192 3 0 2 1 0 1 1 0 8 0 amappl14 184 434 0 432 1 0 1 1 0 8 0 amappl13 176 110 0 100 1 0 1 1 0 8 0 amappl12 168 718 0 690 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 0 1 1 0 8 1 amappl10 152 61 0 51 1 0 1 1 0 8 0 amappl9 144 268 0 268 1 0 1 1 0 8 1 amappl8 136 100 0 99 1 0 1 1 0 8 0 amappl7 128 143 0 132 1 0 1 1 0 8 0 amappl6 120 160 0 158 1 0 1 1 0 8 0 amappl5 112 98 0 90 1 0 1 1 0 8 0 amappl4 104 257 0 239 1 0 1 1 0 8 0 amappl3 96 1845 0 1738 4 0 4 4 0 8 0 amappl2 88 491 0 440 2 0 2 2 0 8 0 amappl1 80 9297 0 8747 14 0 14 14 0 8 1 amappl 88 2910 0 2752 4 0 4 4 0 92 0 uvmvnodes 80 102 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 5 0 0 1 0 1 1 0 8 0 uaddrrnd 24 487 0 458 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 487 0 458 1 0 1 1 0 8 0 vmmpekpl 168 5604 0 5573 2 0 2 2 0 8 0 vmmpepl 168 39257 0 37488 81 0 81 81 0 357 1 vmsppl 368 486 0 458 4 0 4 4 0 8 1 rwobjpl 40 14104 0 13163 11 0 11 11 0 8 0 pdppl 4096 980 0 916 94 26 68 80 0 8 4 pvpl 32 240962 0 232135 90 0 90 90 0 265 14 pmappl 216 486 0 458 3 0 3 3 0 8 1 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 358 0 26 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff80003c8edca8,fffffd806cc85060,ffff80003c93f7f0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c8edca8,ffff80003c93f930,ffff80003c93f880) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c93f930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c93f930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x478f715f710, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff80003c8edca8,fffffd806cc85060,ffff80003c93f7f0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c8edca8,ffff80003c93f930,ffff80003c93f880) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c93f930) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c93f930) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x478f715f710, count: -4