uvm_fault(0xfffffd806ccee180, 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 *122099 82007 0 0 0x4000000 0 syz-executor dovutimens(ffff80003c90bca8,fffffd806d107538,ffff80003c909c40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c90bca8,ffff80003c909d80,ffff80003c909cd0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c909d80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c909d80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6332ae52db0, 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(0xfffffd806ccee180, 0x70, 0, 1) -> e ddb> trace dovutimens(ffff80003c90bca8,fffffd806d107538,ffff80003c909c40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c90bca8,ffff80003c909d80,ffff80003c909cd0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c909d80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c909d80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6332ae52db0, count: -4 ddb> show registers rdi 0xffff8000314c8000 rsi 0x40 rbp 0xffff80003c909c30 rbx 0 rdx 0xffff8000314c8000 rcx 0x3f rax 0 r8 0x7f7fffffc000 r9 0 r10 0x3f07618725bc027 r11 0xbf5ab5df750a0e00 r12 0xffff80003c909c40 r13 0 r14 0xfffffd806d107538 r15 0xffff80003c90bca8 rip 0xffffffff82960a18 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c909b30 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=122099 pid=82007 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=0xffff80003c90a550,0xffff80003c90b4f0 process=0xffff8000ffff8018 user=0xffff80003c904000, vmspace=0xfffffd806ccee180 estcpu=0, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 61111 44015 31815 0 2 0 syz-executor 61111 256018 31815 0 3 0x4000080 fsleep syz-executor 95213 425967 30204 0 2 0 syz-executor 95213 15101 30204 0 3 0x4000080 fsleep syz-executor 57079 482310 52534 0 2 0 syz-executor 57079 224678 52534 0 3 0x4000080 fsleep syz-executor 82007 110660 82550 0 2 0 syz-executor *82007 122099 82550 0 7 0x4000000 syz-executor 10744 435411 92767 0 2 0 syz-executor 10744 166543 92767 0 3 0x4000080 fifor syz-executor 85097 266097 6009 0 2 0 syz-executor 85097 97891 6009 0 3 0x4000080 bpf syz-executor 85097 307330 6009 0 3 0x4000080 fsleep syz-executor 94298 271636 7755 0 2 0x40 syz-executor 52534 135949 36297 0 3 0x82 nanoslp syz-executor 92767 148264 36297 0 2 0xc82 syz-executor 6009 98319 36297 0 2 0xc82 syz-executor 31815 507703 36297 0 3 0x82 nanoslp syz-executor 82550 270777 36297 0 2 0xc82 syz-executor 30204 319790 36297 0 3 0x82 nanoslp syz-executor 82565 426892 36297 0 2 0x2 syz-executor 7755 514176 36297 0 3 0x82 ppwait syz-executor 36297 93736 85817 0 3 0x82 kqread syz-executor 85817 397008 95879 0 3 0x10008a sigsusp ksh 95879 156322 87554 0 3 0x98 kqread sshd-session 87554 417196 98948 0 3 0x92 kqread sshd-session 52976 381873 1 0 3 0x100083 ttyin getty 98948 288896 1 0 3 0x88 kqread sshd 60399 492473 51547 73 3 0x1100090 kqread syslogd 51547 385721 1 0 3 0x100082 sbwait syslogd 87121 109925 1 0 3 0x100080 kqread resolvd 65984 323701 89118 77 3 0x100092 kqread dhcpleased 52067 204852 89118 77 3 0x100092 kqread dhcpleased 89118 394663 1 0 3 0x80 kqread dhcpleased 278 162289 0 0 3 0x14200 bored smr 62829 239215 0 0 2 0x14200 zerothread 12868 122238 0 0 3 0x14200 aiodoned aiodoned 76339 215282 0 0 3 0x14200 syncer update 26063 111724 0 0 3 0x14200 cleaner cleaner 1586 476691 0 0 3 0x14200 reaper reaper 16339 11829 0 0 3 0x14200 pgdaemon pagedaemon 70717 165840 0 0 3 0x14200 bored viomb 31099 209071 0 0 3 0x40014200 acpi0 acpi0 65059 72218 0 0 3 0x14200 bored softnet0 46072 28114 0 0 3 0x14200 bored systqmp 35572 414937 0 0 3 0x14200 bored systq 46949 466037 0 0 3 0x40014200 tmoslp softclock 56071 36248 0 0 3 0x40014200 idle0 1 78804 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 11047 12233K 12385K 166960K 12349 0 pcb 19 12K 12K 166960K 22 0 rtable 235 6K 6K 166960K 359 0 pf 31 13K 13K 166960K 33 0 ifaddr 41 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 52 0 sysctl 1 1K 9K 166960K 5 0 counters 33 17K 17K 166960K 34 0 ioctlops 0 0K 4K 166960K 35 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1327 83K 83K 166960K 1417 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 3 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 93K 166960K 174 0 proc 58 59K 91K 166960K 490 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 4 0 in_multi 89 6K 6K 166960K 89 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 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 360 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 209 150K 158K 166960K 3237 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 38 76K 94K 166960K 1246 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 11 0K 1K 166960K 26 0 temp 36 9062K 9126K 166960K 3989 0 kqueue 13 20K 24K 166960K 28 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 38 0 35 1 0 1 1 0 8 0 rtentry 136 108 0 2 4 0 4 4 0 8 0 unpcb 144 55 0 38 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 22 0 18 1 0 1 1 0 8 0 arp 96 19 0 0 1 0 1 1 0 8 0 inpcb 328 81 0 72 1 0 1 1 0 8 0 nd6 112 21 0 0 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1072 1 0 1 1 0 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 2 0 0 1 0 1 1 0 8 0 pfstate 384 1 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 416 0 0 26 0 26 26 0 8 0 art_table 40 417 0 0 5 0 5 5 0 8 0 art_node 32 107 0 11 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 0 1 0 1 1 0 8 0 semapl 112 1 0 0 1 0 1 1 0 8 0 shmpl 112 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1610 0 153 92 0 92 92 0 8 0 ffsino 256 1610 0 153 92 0 92 92 0 8 0 nchpl 144 1861 0 176 63 0 63 63 0 8 0 vnodes 216 1747 0 0 98 0 98 98 0 8 0 namei 1024 5431 0 5431 2 0 2 2 0 8 2 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 6007 0 6007 2 0 2 2 1 8 2 plimitpl 152 34 0 18 1 0 1 1 0 8 0 sigapl 424 464 0 422 6 0 6 6 0 8 1 knotepl 120 3765 0 3718 2 0 2 2 0 8 0 kqueuepl 184 30 0 21 1 0 1 1 0 8 0 pipepl 304 119 0 92 3 0 3 3 0 8 0 fdescpl 448 451 0 422 5 0 5 5 0 8 1 filepl 120 1621 0 1410 8 0 8 8 0 8 1 lockfpl 104 10 0 8 1 0 1 1 0 8 0 lockfspl 48 6 0 4 1 0 1 1 0 8 0 sessionpl 144 21 0 13 1 0 1 1 0 8 0 pgrppl 48 29 0 13 1 0 1 1 0 8 0 ucredpl 104 109 0 98 1 0 1 1 0 8 0 zombiepl 144 422 0 422 1 0 1 1 0 8 1 processpl 1152 464 0 422 4 0 4 4 0 8 0 procpl 664 518 0 469 5 0 5 5 0 8 0 sockpl 552 177 0 148 3 0 3 3 0 8 0 mcl64k 65536 3 0 3 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 8 0 8 1 0 1 1 0 8 1 mcl4k 4096 2517 0 2464 13 0 13 13 0 8 6 mcl2k 2048 151 0 150 3 0 3 3 0 8 2 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 4407 0 4267 13 0 13 13 0 8 0 bufpl 280 2265 0 102 155 0 155 155 0 8 0 anonpl 24 100318 0 97324 23 0 23 23 0 187 3 amapchunkpl 152 9178 0 8748 19 0 19 19 0 158 2 amappl16 200 1876 0 1857 5 0 5 5 0 8 3 amappl15 192 5 0 5 1 0 1 1 0 8 1 amappl14 184 404 0 403 1 0 1 1 0 8 0 amappl13 176 157 0 147 1 0 1 1 0 8 0 amappl12 168 687 0 660 2 0 2 2 0 8 0 amappl11 160 22 0 22 1 0 1 1 0 8 1 amappl10 152 57 0 47 1 0 1 1 0 8 0 amappl9 144 262 0 262 1 0 1 1 0 8 1 amappl8 136 92 0 91 1 0 1 1 0 8 0 amappl7 128 141 0 130 1 0 1 1 0 8 0 amappl6 120 149 0 148 1 0 1 1 0 8 0 amappl5 112 103 0 96 1 0 1 1 0 8 0 amappl4 104 249 0 235 1 0 1 1 0 8 0 amappl3 96 1619 0 1520 3 0 3 3 0 8 0 amappl2 88 495 0 443 2 0 2 2 0 8 0 amappl1 80 9059 0 8513 13 0 13 13 0 8 1 amappl 88 2563 0 2418 4 0 4 4 0 92 0 uvmvnodes 80 95 0 0 2 0 2 2 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 451 0 422 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 451 0 422 1 0 1 1 0 8 0 vmmpekpl 168 5244 0 5214 2 0 2 2 0 8 0 vmmpepl 168 36696 0 34967 80 0 80 80 0 357 3 vmsppl 368 450 0 422 4 0 4 4 0 8 1 rwobjpl 40 13558 0 12648 11 0 11 11 0 8 0 pdppl 4096 908 0 844 94 26 68 80 0 8 4 pvpl 32 226876 0 218538 79 0 79 79 0 265 8 pmappl 216 450 0 422 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 356 0 26 10 0 10 10 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff80003c90bca8,fffffd806d107538,ffff80003c909c40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c90bca8,ffff80003c909d80,ffff80003c909cd0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c909d80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c909d80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6332ae52db0, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff80003c90bca8,fffffd806d107538,ffff80003c909c40) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff80003c90bca8,ffff80003c909d80,ffff80003c909cd0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80003c909d80) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c909d80) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6332ae52db0, count: -4