login: uvm_fault(0xfffff3006d194180, 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 *502767 84061 0 0 0x4000000 0 syz-executor dovutimens(ffff80003c8fafb0,fffff300649d0d88,ffff80003a8e0f90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003a8e10d0,ffff80003a8e1020) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003a8e10d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003a8e10d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8a5522a910, 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(0xfffff3006d194180, 0x70, 0, 1) -> e ddb> show kasan No such command ddb> trace dovutimens(ffff80003c8fafb0,fffff300649d0d88,ffff80003a8e0f90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003a8e10d0,ffff80003a8e1020) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003a8e10d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003a8e10d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8a5522a910, count: -4 ddb> show registers rdi 0xffff80002f0b2000 rsi 0x4b1 rbp 0xffff80003a8e0f80 rbx 0x3 rdx 0xffff80002f0b2000 rcx 0x4b0 rax 0 r8 0xffffffffffffffff r9 0xffff80003a8e0bb8 r10 0x7b9de931b8bcf948 r11 0x36adb04edb7e9acb r12 0xffff80003a8e0f90 r13 0x1ff r14 0xfffff300649d0d88 r15 0xffff80003c8fafb0 rip 0xffffffff83219a68 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003a8e0e80 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=502767 pid=84061 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=0xffff80003c8fa2b8,0xffff80003c8fb788 process=0xffff800045ff8d98 user=0xffff80003a8dc000, vmspace=0xfffff3006d194180 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 41155 398061 72048 0 2 0 0 syz-executor 41155 242157 72048 0 3 0 0x4000080 fsleep syz-executor 42013 19336 32295 0 2 0 0 syz-executor 42013 56802 32295 0 3 0 0x4000080 fsleep syz-executor 84061 398476 45568 0 2 0 0 syz-executor *84061 502767 45568 0 7 0 0x4000000 syz-executor 63961 400978 35333 60929 2 0x10 0 syz-executor 63961 59365 35333 60929 3 0x10 0x4000080 fsleep syz-executor 63961 252825 35333 60929 3 0x10 0x4000080 fsleep syz-executor 33395 18269 85966 60929 3 0x10 0x80 nanoslp syz-executor 33395 226965 85966 60929 3 0x10 0x4000080 sbwait syz-executor 33395 56726 85966 60929 3 0x10 0x4000080 fsleep syz-executor 32295 117048 92811 0 3 0x2 0x80 nanoslp syz-executor 35333 341591 92811 0 3 0x2 0x80 nanoslp syz-executor 72048 7809 92811 0 3 0x2 0x80 nanoslp syz-executor 85966 10735 92811 0 3 0x2 0x80 nanoslp syz-executor 65912 454725 92811 0 2 0x2 0 syz-executor 45568 342896 92811 0 3 0x2 0x80 nanoslp syz-executor 26934 132728 92811 0 2 0x2 0 syz-executor 92285 285764 92811 0 2 0x2 0 syz-executor 92811 420317 69110 0 3 0x2 0x80 kqread syz-executor 69110 504424 46862 0 3 0x100002 0x88 sigsusp ksh 46862 466466 74071 0 3 0x10 0x88 kqread sshd-session 74071 81269 12753 0 3 0x12 0x80 kqread sshd-session 74688 108689 1 0 3 0x100003 0x80 ttyin getty 12753 381505 1 0 3 0 0x88 kqread sshd 32827 436925 50702 73 3 0x1100010 0x80 kqread syslogd 50702 339802 1 0 3 0x100002 0x80 sbwait syslogd 53712 283759 1 0 3 0x100000 0x80 kqread resolvd 14683 380689 90975 77 3 0x100012 0x80 kqread dhcpleased 30646 344131 90975 77 3 0x100012 0x80 kqread dhcpleased 90975 411891 1 0 3 0 0x80 kqread dhcpleased 93371 133672 0 0 3 0x14000 0x200 bored smr 18044 430104 0 0 2 0x14000 0x200 zerothread 93364 498638 0 0 3 0x14000 0x200 aiodoned aiodoned 64179 98358 0 0 3 0x14000 0x200 syncer update 54832 187589 0 0 3 0x14000 0x200 cleaner cleaner 85751 326025 0 0 3 0x14000 0x200 reaper reaper 23826 69084 0 0 3 0x14000 0x200 pgdaemon pagedaemon 14913 459060 0 0 3 0x14000 0x200 bored viomb 62985 29041 0 0 3 0x14000 0x40000200 acpi0 acpi0 29910 869 0 0 3 0x14000 0x200 bored softnet0 39590 506402 0 0 3 0x14000 0x200 bored systqmp 19414 348878 0 0 3 0x14000 0x200 bored systq 72123 289227 0 0 3 0x14000 0x40000200 tmoslp softclock 11899 163162 0 0 3 0x14000 0x40000200 idle0 1 16507 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 11030 12103K 12176K 166960K 12149 0 pcb 17 12K 12K 166960K 26 0 rtable 237 6K 6K 166960K 354 0 pf 30 12K 14K 166960K 31 0 ifaddr 42 7K 7K 166960K 44 0 ifgroup 50 2K 2K 166960K 50 0 sysctl 1 1K 9K 166960K 5 0 counters 33 17K 17K 166960K 33 0 ioctlops 0 0K 4K 166960K 38 0 iov 0 0K 0K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1299 82K 82K 166960K 1389 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 6 0K 0K 166960K 7 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 15 53K 97K 166960K 158 0 sigio 0 0K 0K 166960K 1 0 proc 59 59K 124K 166960K 499 0 subproc 72 4K 4K 166960K 74 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 3 0 in_multi 99 6K 6K 166960K 101 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 49 228K 228K 166960K 49 0 exec 0 0K 1K 166960K 366 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 202 142K 151K 166960K 2986 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 36 72K 96K 166960K 1258 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 27 2K 2K 166960K 27 0 temp 36 9106K 9122K 166960K 4160 0 kqueue 14 22K 24K 166960K 34 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 35 1 0 1 1 0 8 0 rtentry 136 111 0 1 4 0 4 4 0 8 0 unpcb 144 49 0 29 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 13 0 8 1 0 1 1 0 8 0 arp 96 18 0 0 1 0 1 1 0 8 0 inpcb 328 139 0 131 7 0 7 7 0 8 6 ip6q 80 2 0 1 1 0 1 1 0 8 0 ip6af 40 4 0 2 1 0 1 1 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 pfsrclim 320 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 256 453 0 0 29 0 29 29 0 8 0 art_table 40 454 0 0 5 0 5 5 0 8 0 art_node 32 111 0 11 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 72 5 0 1 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 1602 0 136 92 0 92 92 0 8 0 ffsino 256 1602 0 136 92 0 92 92 0 8 0 nchpl 144 1831 0 141 63 0 63 63 0 8 0 vnodes 216 1709 0 0 95 0 95 95 0 8 0 namei 1024 5392 0 5390 2 0 2 2 0 8 1 kstatmem 264 23 0 0 2 0 2 2 0 8 0 scxspl 216 6292 0 6292 4 0 4 4 1 8 4 plimitpl 152 30 0 14 1 0 1 1 0 8 0 sigapl 424 453 0 413 6 0 6 6 0 8 1 knotepl 120 3239 0 3191 2 0 2 2 0 8 0 kqueuepl 184 30 0 20 1 0 1 1 0 8 0 pipepl 304 123 0 96 3 0 3 3 0 8 0 fdescpl 448 440 0 413 5 0 5 5 0 8 1 filepl 120 1620 0 1405 9 0 9 9 0 8 2 lockfpl 104 19 0 16 1 0 1 1 0 8 0 lockfspl 48 11 0 8 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 104 102 0 89 1 0 1 1 0 8 0 zombiepl 144 413 0 413 1 0 1 1 0 8 1 processpl 1152 453 0 413 4 0 4 4 0 8 0 procpl 664 489 0 442 5 0 5 5 0 8 0 sockpl 552 228 0 196 7 0 7 7 0 8 4 mcl64k 65536 6 0 6 1 0 1 1 0 8 1 mcl16k 16384 4 0 4 1 0 1 1 0 8 1 mcl12k 12288 1 0 1 1 0 1 1 0 8 1 mcl8k 8192 5 0 4 1 0 1 1 0 8 0 mcl4k 4096 2520 0 2468 15 0 15 15 0 8 8 mcl2k 2048 126 0 123 1 0 1 1 0 8 0 mextrefs 64 53 0 51 1 0 1 1 0 8 0 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 4415 0 4274 13 0 13 13 0 8 3 bufpl 272 2346 0 102 150 0 150 150 0 8 0 anonpl 24 83864 0 80865 21 0 21 21 0 187 0 amapchunkpl 152 8313 0 7892 28 0 28 28 0 158 8 amappl16 200 1327 0 1305 4 0 4 4 0 8 1 amappl15 192 10 0 10 1 0 1 1 0 8 1 amappl14 184 483 0 481 1 0 1 1 0 8 0 amappl13 176 116 0 106 1 0 1 1 0 8 0 amappl12 168 676 0 650 2 0 2 2 0 8 0 amappl11 160 1 0 1 1 0 1 1 0 8 1 amappl10 152 55 0 45 1 0 1 1 0 8 0 amappl9 144 312 0 312 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 120 148 0 147 1 0 1 1 0 8 0 amappl5 112 87 0 80 1 0 1 1 0 8 0 amappl4 104 273 0 258 1 0 1 1 0 8 0 amappl3 96 1454 0 1372 3 0 3 3 0 8 0 amappl2 88 566 0 499 2 0 2 2 0 8 0 amappl1 80 10249 0 9717 13 0 13 13 0 8 0 amappl 88 2293 0 2152 4 0 4 4 0 92 0 uvmvnodes 80 98 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 24 440 0 413 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 440 0 413 1 0 1 1 0 8 0 vmmpekpl 168 5519 0 5480 2 0 2 2 0 8 0 vmmpepl 168 37490 0 35843 80 0 80 80 0 357 2 vmsppl 368 439 0 413 4 0 4 4 0 8 1 rwobjpl 40 13847 0 12943 11 0 11 11 0 8 1 pdppl 4096 886 0 826 100 18 82 82 0 8 22 pvpl 32 209943 0 201488 85 0 85 85 0 265 9 pmappl 216 439 0 413 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 516 0 18 15 0 15 15 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff80003c8fafb0,fffff300649d0d88,ffff80003a8e0f90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003a8e10d0,ffff80003a8e1020) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003a8e10d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003a8e10d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8a5522a910, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff80003c8fafb0,fffff300649d0d88,ffff80003a8e0f90) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80003c8fafb0,ffff80003a8e10d0,ffff80003a8e1020) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003a8e10d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003a8e10d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc8a5522a910, count: -4