login: uvm_fault(0xffffef806d1a8e70, 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 *232128 33982 0 0 0x4000000 0 syz-executor dovutimens(ffff80003c8fafb0,ffffef806e4de478,ffff80003c9bbd90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003c9bbed0,ffff80003c9bbe20) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c9bbed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9bbed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b3b7772070, 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(0xffffef806d1a8e70, 0x70, 0, 1) -> e ddb> show kasan No such command ddb> trace dovutimens(ffff80003c8fafb0,ffffef806e4de478,ffff80003c9bbd90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003c9bbed0,ffff80003c9bbe20) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c9bbed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9bbed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b3b7772070, count: -4 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003c9bbd80 rbx 0x5 rdx 0 rcx 0x80 rax 0 r8 0x7f7fffffc000 r9 0 r10 0xa220f7d06c2da613 r11 0x23ce2f3a8e31a4a5 r12 0xffff80003c9bbd90 r13 0x80 r14 0xffffef806e4de478 r15 0xffff80003c8fafb0 rip 0xffffffff81b99c18 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c9bbc80 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=232128 pid=33982 tcnt=3 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=0xffff80002a736f98,0xffff80003c8fb788 process=0xffff800045ff8498 user=0xffff80003c9b6000, vmspace=0xffffef806d1a8e70 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 37311 242413 18988 0 2 0 0 syz-executor 37311 403806 18988 0 2 0 0x4000000 syz-executor 37311 369866 18988 0 3 0 0x4000000 inode syz-executor 33982 306848 87612 0 2 0 0 syz-executor 33982 358341 87612 0 2 0 0x4000000 syz-executor *33982 232128 87612 0 7 0 0x4000000 syz-executor 61355 287567 59932 0 2 0 0 syz-executor 61355 95931 59932 0 3 0 0x4000080 bell syz-executor 61355 37689 59932 0 3 0 0x4000080 fsleep syz-executor 76581 56345 18942 0 2 0 0 syz-executor 76581 464140 18942 0 3 0 0x4000080 fsleep syz-executor 26901 350965 77490 -1 3 0x10 0x80 nanoslp syz-executor 26901 194639 77490 -1 3 0x10 0x4000080 msgwait syz-executor 26901 396523 77490 -1 3 0x10 0x4000080 fsleep syz-executor 80722 390255 31085 0 2 0 0 syz-executor 80722 30467 31085 0 2 0 0x4000000 syz-executor 91361 341499 60183 0 2 0 0xc80 syz-executor 91361 499801 60183 0 3 0 0x4000080 fsleep syz-executor 91361 83612 60183 0 3 0 0x4000080 lockf syz-executor 91361 243649 60183 0 3 0 0x4000080 fsleep syz-executor 13375 453623 42144 0 2 0 0xc80 syz-executor 13375 192212 42144 0 3 0 0x4000080 fsleep syz-executor 13375 127670 42144 0 3 0 0x4000080 nanoslp syz-executor 42144 342241 18828 0 2 0x2 0xc80 syz-executor 4479 208471 0 0 3 0x14000 0x280 nfsidl nfsio 69400 426423 0 0 3 0x14000 0x280 nfsidl nfsio 4172 191378 0 0 3 0x14000 0x280 nfsidl nfsio 97449 307900 0 0 3 0x14000 0x280 nfsidl nfsio 45012 330440 0 0 3 0x14000 0x280 nfsidl nfsio 94286 44566 0 0 3 0x14000 0x280 nfsidl nfsio 47051 403960 0 0 3 0x14000 0x280 nfsidl nfsio 92207 801 0 0 3 0x14000 0x280 nfsidl nfsio 97530 276312 0 0 3 0x14000 0x280 nfsidl nfsio 53415 142686 0 0 3 0x14000 0x280 nfsidl nfsio 56947 32711 0 0 3 0x14000 0x280 nfsidl nfsio 65897 175437 0 0 3 0x14000 0x280 nfsidl nfsio 13102 407503 0 0 3 0x14000 0x280 nfsidl nfsio 84411 228633 0 0 3 0x14000 0x280 nfsidl nfsio 64197 151551 0 0 3 0x14000 0x280 nfsidl nfsio 30864 131723 0 0 3 0x14000 0x280 nfsidl nfsio 29061 47284 0 0 3 0x14000 0x280 nfsidl nfsio 9549 217138 0 0 3 0x14000 0x280 nfsidl nfsio 71203 372282 0 0 3 0x14000 0x280 nfsidl nfsio 11907 19100 0 0 3 0x14000 0x280 nfsidl nfsio 69081 395433 1 0 3 0x100003 0x80 ttyin getty 60183 229016 18828 0 2 0x2 0xc80 syz-executor 18988 496713 18828 0 2 0x2 0xc80 syz-executor 59932 223921 18828 0 3 0x2 0x80 nanoslp syz-executor 31085 478539 18828 0 2 0x2 0xc80 syz-executor 77490 360986 18828 0 2 0x2 0xc80 syz-executor 18942 306435 18828 0 2 0x2 0xc80 syz-executor 87612 19202 18828 0 3 0x2 0x80 nanoslp syz-executor 18828 1067 76761 0 2 0x2 0 syz-executor 76761 271388 13817 0 3 0x100002 0x88 sigsusp ksh 13817 367192 17964 0 3 0x10 0x88 kqread sshd-session 17964 134170 2741 0 3 0x12 0x80 kqread sshd-session 2741 432742 1 0 3 0 0x88 kqread sshd 6807 506778 17245 73 3 0x1100010 0x80 kqread syslogd 17245 180175 1 0 3 0x100002 0x80 sbwait syslogd 20063 78653 1 0 3 0x100000 0x80 kqread resolvd 70585 2628 5190 77 3 0x100012 0x80 kqread dhcpleased 81387 439077 5190 77 3 0x100012 0x80 kqread dhcpleased 5190 152833 1 0 3 0 0x80 kqread dhcpleased 79781 29045 0 0 3 0x14000 0x200 bored smr 20786 444076 0 0 2 0x14000 0x200 zerothread 5240 358586 0 0 3 0x14000 0x200 aiodoned aiodoned 22955 170356 0 0 3 0x14000 0x200 syncer update 29817 263798 0 0 3 0x14000 0x200 cleaner cleaner 23657 377811 0 0 3 0x14000 0x200 reaper reaper 25355 500859 0 0 3 0x14000 0x200 pgdaemon pagedaemon 60681 427743 0 0 3 0x14000 0x200 bored viomb 27092 80616 0 0 3 0x14000 0x40000200 acpi0 acpi0 81185 395901 0 0 3 0x14000 0x200 bored softnet0 37906 364554 0 0 3 0x14000 0x200 smrbar systqmp 7735 81986 0 0 3 0x14000 0x200 bored systq 30042 354288 0 0 3 0x14000 0x40000200 tmoslp softclock 3892 404338 0 0 3 0x14000 0x40000200 idle0 1 302126 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11045 12242K 12962K 166960K 12726 0 pcb 17 12K 12K 166960K 100 0 rtable 244 8K 9K 166960K 444 0 pf 33 13K 19K 166960K 60 0 ifaddr 43 7K 7K 166960K 58 0 ifgroup 50 2K 2K 166960K 73 0 sysctl 1 1K 9K 166960K 11 0 counters 33 17K 18K 166960K 42 0 ioctlops 0 0K 4K 166960K 124 0 iov 0 0K 16K 166960K 25 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1415 89K 90K 166960K 1908 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 20K 24K 166960K 13 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 20 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 18 65K 236K 166960K 515 0 sigio 0 0K 0K 166960K 8 0 proc 60 59K 124K 166960K 591 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 37 0 in_multi 103 6K 7K 166960K 127 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 17 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 73 334K 334K 166960K 73 0 exec 0 0K 1K 166960K 483 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 240 151K 169K 166960K 5957 0 UVM aobj 50 2K 2K 166960K 53 0 pinsyscall 39 78K 96K 166960K 1625 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 22 0 NDP 13 0K 2K 166960K 35 0 temp 45 9108K 9156K 166960K 21509 0 kqueue 14 22K 29K 166960K 99 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 90 0 87 1 0 1 1 0 8 0 rtentry 136 132 0 27 4 0 4 4 0 8 0 unpcb 144 436 0 419 4 0 4 4 0 8 3 syncache 336 7 0 7 1 0 1 1 0 8 1 tcpqe 32 10 0 10 1 0 1 1 0 8 1 tcpcb 736 153 0 147 7 0 7 7 0 8 6 arp 96 20 0 2 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 328 486 0 475 7 0 7 7 0 8 4 ip6q 80 1 0 1 1 0 1 1 0 8 1 ip6af 40 2 0 2 1 0 1 1 0 8 1 nd6 112 30 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1072 5 0 5 1 0 1 1 0 8 1 pppxif 1416 1 0 1 1 0 1 1 0 8 1 pfstscr 40 8 0 7 1 0 1 1 0 8 0 pfosfp 40 1 0 0 1 0 1 1 0 8 0 pfosfpen 112 1 0 0 1 0 1 1 0 8 0 pfsrclim 320 1 0 1 1 0 1 1 0 8 1 pfqueue 320 1 0 1 1 0 1 1 0 8 1 pfstitem 24 6 0 2 1 0 1 1 0 8 0 pfstkey 128 14 0 9 1 0 1 1 0 8 0 pfstate 384 7 0 5 1 0 1 1 0 8 0 pfrule 1360 2 0 2 1 0 1 1 0 8 1 rttmr 136 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 578 0 109 32 0 32 32 0 8 2 art_table 40 580 0 109 6 0 6 6 0 8 0 art_node 32 131 0 35 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semapl 72 17 0 7 1 0 1 1 0 8 0 shmpl 112 50 0 3 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2265 0 801 92 0 92 92 0 8 0 ffsino 256 2265 0 801 92 0 92 92 0 8 0 nchpl 144 2990 0 1284 64 0 64 64 0 8 0 rtmask 32 2 0 2 1 0 1 1 0 8 1 vnodes 216 2731 0 0 152 0 152 152 0 8 0 namei 1024 10031 0 10031 2 0 2 2 0 8 2 kstatmem 264 35 0 12 2 0 2 2 0 8 0 scsiplug 72 4 0 4 1 0 1 1 0 8 1 scxspl 216 10686 0 10686 8 0 8 8 1 8 8 plimitpl 152 249 0 233 1 0 1 1 0 8 0 sigapl 424 809 0 746 8 0 8 8 0 8 0 knotepl 120 16150 0 16103 10 0 10 10 0 8 8 kqueuepl 184 164 0 154 3 0 3 3 0 8 2 pipepl 304 143 0 116 3 0 3 3 0 8 0 fdescpl 448 776 0 746 5 0 5 5 0 8 1 filepl 120 4688 0 4460 10 0 10 10 0 8 2 lockfpl 104 256 0 251 2 0 2 2 0 8 1 lockfspl 48 62 0 58 1 0 1 1 0 8 0 sessionpl 144 39 0 30 1 0 1 1 0 8 0 pgrppl 48 50 0 33 1 0 1 1 0 8 0 ucredpl 104 743 0 731 1 0 1 1 0 8 0 zombiepl 144 746 0 746 1 0 1 1 0 8 1 processpl 1152 809 0 746 5 0 5 5 0 8 0 procpl 664 1325 0 1247 7 0 7 7 0 8 0 sosppl 176 4 0 4 1 0 1 1 0 8 1 sockpl 552 1064 0 1033 8 0 8 8 0 8 5 mcl64k 65536 121 0 121 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl9k128 9344 5 0 5 1 0 1 1 0 8 1 mcl8k 8192 15 0 15 1 0 1 1 0 8 1 mcl4k 4096 3005 0 2949 13 0 13 13 0 8 6 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 486 0 485 2 0 2 2 0 8 1 mextrefs 64 244 0 244 1 0 1 1 0 8 1 mtagpl 96 5 0 5 1 0 1 1 0 8 1 mbufpl 256 8221 0 8038 14 0 14 14 0 8 1 bufpl 272 3622 0 104 235 0 235 235 0 8 0 anonpl 24 125004 0 121634 33 0 33 33 0 187 8 amapchunkpl 152 19917 0 19369 31 0 31 31 0 158 9 amappl16 200 2005 0 1971 5 0 5 5 0 8 3 amappl15 192 12 0 11 1 0 1 1 0 8 0 amappl14 184 436 0 435 1 0 1 1 0 8 0 amappl13 176 129 0 119 1 0 1 1 0 8 0 amappl12 168 1016 0 987 2 0 2 2 0 8 0 amappl11 160 6 0 6 1 0 1 1 0 8 1 amappl10 152 59 0 49 1 0 1 1 0 8 0 amappl9 144 274 0 274 1 0 1 1 0 8 1 amappl8 136 100 0 98 1 0 1 1 0 8 0 amappl7 128 167 0 155 1 0 1 1 0 8 0 amappl6 120 158 0 156 1 0 1 1 0 8 0 amappl5 112 94 0 86 1 0 1 1 0 8 0 amappl4 104 298 0 281 1 0 1 1 0 8 0 amappl3 96 3359 0 3250 3 0 3 3 0 8 0 amappl2 88 895 0 822 2 0 2 2 0 8 0 amappl1 80 11715 0 11157 13 0 13 13 0 8 1 amappl 88 5182 0 5005 5 0 5 5 0 92 1 uvmvnodes 80 111 0 0 3 0 3 3 0 8 0 dma8192 8192 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma512 512 2 0 2 1 0 1 1 0 8 1 dma256 256 6 0 6 1 0 1 1 0 8 1 dma128 128 254 0 254 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 52 0 3 1 0 1 1 0 8 0 uaddrrnd 24 776 0 746 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 776 0 746 1 0 1 1 0 8 0 vmmpekpl 168 7811 0 7773 3 0 3 3 0 8 0 vmmpepl 168 56892 0 55020 83 0 83 83 0 357 1 vmsppl 368 775 0 746 4 0 4 4 0 8 1 rwobjpl 40 18045 0 16993 11 0 11 11 0 8 0 pdppl 4096 1558 0 1492 100 32 68 82 0 8 2 pvpl 32 343421 0 334465 104 0 104 104 0 265 24 pmappl 216 775 0 746 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 613 0 32 17 0 17 17 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff80003c8fafb0,ffffef806e4de478,ffff80003c9bbd90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003c9bbed0,ffff80003c9bbe20) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c9bbed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9bbed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b3b7772070, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff80003c8fafb0,ffffef806e4de478,ffff80003c9bbd90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003c9bbed0,ffff80003c9bbe20) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c9bbed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9bbed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8b3b7772070, count: -4