ài&}º¥+Y¨1uÑýuvm_fault(0xfffff680716c6738, 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 *163900 24600 0 0 0x4000000 0 syz-executor dovutimens(ffff80002a765770,fffff6806c401b28,ffff80003c8f3020) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80002a765770,ffff80003c8f3160,ffff80003c8f30b0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c8f3160) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f3160) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1c800f22230, 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(0xfffff680716c6738, 0x70, 0, 1) -> e ddb> show kasan No such command ddb> trace dovutimens(ffff80002a765770,fffff6806c401b28,ffff80003c8f3020) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80002a765770,ffff80003c8f3160,ffff80003c8f30b0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c8f3160) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f3160) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1c800f22230, count: -4 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003c8f3010 rbx 0xfffffffffffffffe rdx 0 rcx 0x8 rax 0 r8 0x7f7fffffc000 r9 0 r10 0x71747e1aa8a6b3b4 r11 0x1d13148763aac992 r12 0xffff80003c8f3020 r13 0x8 r14 0xfffff6806c401b28 r15 0xffff80002a765770 rip 0xffffffff83219a68 dovutimens+0x368 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c8f2f10 ss 0x10 dovutimens+0x368: movl 0x70(%rax),%r12d ddb> show proc PROC (syz-executor) tid=163900 pid=24600 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a764fa8,0xffffffff83a9e7d0 process=0xffff80003a4d9218 user=0xffff80003c8ee000, vmspace=0xfffff680716c6738 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=1 ddb> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 24600 369761 35926 0 2 0 0 syz-executor *24600 163900 35926 0 7 0 0x4000000 syz-executor 5862 62191 41339 0 2 0 0 syz-executor 5862 407610 41339 0 3 0 0x4000000 smrbar syz-executor 5862 23503 41339 0 2 0 0x4000000 syz-executor 8491 429270 29249 0 2 0 0 syz-executor 1915 135192 13982 0 2 0 0 syz-executor 1915 515888 13982 0 3 0 0x4000080 fsleep syz-executor 14535 60280 61606 0 2 0 0 syz-executor 14535 90900 61606 0 3 0 0x4000080 fsleep syz-executor 14535 427340 61606 0 3 0 0x4000080 fsleep syz-executor 22918 502540 11562 0 2 0 0 syz-executor 22918 19225 11562 0 3 0 0x4000080 fsleep syz-executor 95440 10147 30281 60929 3 0x10 0x80 nanoslp syz-executor 95440 357502 30281 60929 3 0x10 0x4000080 fsleep syz-executor 95440 341095 30281 60929 3 0x10 0x4000080 fsleep syz-executor 11562 464444 9263 0 3 0x2 0x80 nanoslp syz-executor 49233 364332 1 0 3 0x2 0x80 nanoslp getty 35926 488545 9263 0 3 0x2 0x80 nanoslp syz-executor 61606 105569 9263 0 3 0x2 0x80 nanoslp syz-executor 30281 17888 9263 0 3 0x2 0x80 nanoslp syz-executor 41339 256868 9263 0 3 0x2 0x80 nanoslp syz-executor 29249 18925 9263 0 3 0x2 0x80 nanoslp syz-executor 13982 39490 9263 0 3 0x2 0x80 nanoslp syz-executor 12711 375381 9263 0 3 0x2 0x80 nanoslp syz-executor 9263 498381 5493 0 3 0x2 0x80 kqread syz-executor 5493 304653 98560 0 3 0x100002 0x88 sigsusp ksh 98560 76237 78915 0 3 0x10 0x88 kqread sshd-session 78915 46674 89568 0 3 0x12 0x80 kqread sshd-session 89568 90267 1 0 3 0 0x88 kqread sshd 81866 91122 61270 73 3 0x1100010 0x80 kqread syslogd 61270 279832 1 0 3 0x100002 0x80 sbwait syslogd 97813 104639 1 0 3 0x100000 0x80 kqread resolvd 83901 447735 21594 77 3 0x100012 0x80 kqread dhcpleased 43032 241557 21594 77 3 0x100012 0x80 kqread dhcpleased 21594 298476 1 0 3 0 0x80 kqread dhcpleased 55198 45796 0 0 3 0x14000 0x200 bored smr 44031 70477 0 0 2 0x14000 0x200 zerothread 3396 60943 0 0 3 0x14000 0x200 aiodoned aiodoned 80189 66727 0 0 3 0x14000 0x200 syncer update 60958 154269 0 0 3 0x14000 0x200 cleaner cleaner 84646 259696 0 0 3 0x14000 0x200 reaper reaper 57539 49337 0 0 3 0x14000 0x200 pgdaemon pagedaemon 82085 423141 0 0 3 0x14000 0x200 bored viomb 82437 428010 0 0 3 0x14000 0x40000200 acpi0 acpi0 69977 59351 0 0 3 0x14000 0x200 bored softnet0 26577 7163 0 0 3 0x14000 0x200 bored systqmp 7440 252984 0 0 3 0x14000 0x200 bored systq 6789 127624 0 0 3 0x14000 0x40000200 tmoslp softclock 71945 271448 0 0 3 0x14000 0x40000200 idle0 1 318235 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 11065 12622K 12704K 166960K 12698 0 pcb 17 12K 12K 166960K 96 0 rtable 246 7K 8K 166960K 447 0 pf 33 13K 17K 166960K 68 0 ifaddr 44 7K 7K 166960K 67 0 ifgroup 55 2K 2K 166960K 93 0 sysctl 3 1K 9K 166960K 7 0 counters 35 18K 18K 166960K 53 0 ioctlops 0 0K 4K 166960K 79 0 iov 0 0K 12K 166960K 28 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1300 82K 82K 166960K 1652 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 9 0 VM map 2 1K 1K 166960K 2 0 sem 16 3K 3K 166960K 22 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 18 65K 97K 166960K 496 0 sigio 0 0K 0K 166960K 5 0 proc 61 59K 108K 166960K 588 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 1 0K 0K 166960K 31 0 in_multi 100 6K 6K 166960K 135 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 11 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 423 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 225 151K 160K 166960K 5924 0 UVM aobj 9 2K 2K 166960K 11 0 pinsyscall 39 78K 96K 166960K 1662 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 6 0 NDP 12 0K 2K 166960K 45 0 temp 45 9112K 9174K 166960K 15170 0 kqueue 17 26K 30K 166960K 86 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 59 0 56 1 0 1 1 0 8 0 rtentry 136 144 0 32 4 0 4 4 0 8 0 unpcb 144 406 0 387 4 0 4 4 0 8 3 syncache 336 8 0 8 1 0 1 1 0 8 1 tcpcb 736 84 0 78 1 0 1 1 0 8 0 arp 96 25 0 7 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 328 324 0 314 2 0 2 2 0 8 0 nd6 112 31 0 6 1 0 1 1 0 8 0 pkpcb 40 9 0 9 1 0 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 mppekey 1024 2 0 1 1 0 1 1 0 8 0 ppxss 1072 14 0 13 1 0 1 1 0 8 0 pppxif 1416 1 0 0 1 0 1 1 0 8 0 pfrule 1360 3 0 3 1 0 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 569 0 94 30 0 30 30 0 8 0 art_table 40 570 0 94 5 0 5 5 0 8 0 art_node 32 144 0 42 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 4 1 0 1 1 0 8 1 semapl 72 17 0 3 1 0 1 1 0 8 0 shmpl 112 8 0 2 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2181 0 717 92 0 92 92 0 8 0 ffsino 256 2181 0 717 92 0 92 92 0 8 0 nchpl 144 2886 0 1177 64 0 64 64 0 8 0 rtmask 32 1 0 1 1 0 1 1 0 8 1 vnodes 216 2452 0 0 137 0 137 137 0 8 0 namei 1024 8892 0 8892 1 0 1 1 0 8 1 kstatmem 264 51 0 26 2 0 2 2 0 8 0 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 9386 0 9386 8 0 8 8 1 8 8 plimitpl 152 91 0 74 1 0 1 1 0 8 0 sigapl 424 791 0 748 6 0 6 6 0 8 1 knotepl 120 14856 0 14801 9 0 9 9 0 8 7 kqueuepl 184 178 0 165 4 0 4 4 0 8 3 pipepl 304 148 0 121 3 0 3 3 0 8 0 fdescpl 448 778 0 748 5 0 5 5 0 8 1 filepl 120 3841 0 3624 10 0 10 10 0 8 2 lockfpl 104 112 0 110 1 0 1 1 0 8 0 lockfspl 48 53 0 51 1 0 1 1 0 8 0 sessionpl 144 68 0 61 1 0 1 1 0 8 0 pgrppl 48 88 0 73 1 0 1 1 0 8 0 ucredpl 104 461 0 448 1 0 1 1 0 8 0 zombiepl 144 749 0 748 1 0 1 1 0 8 0 processpl 1152 791 0 748 4 0 4 4 0 8 0 procpl 664 1254 0 1202 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 0 1 1 0 8 1 sockpl 552 813 0 781 7 0 7 7 0 8 4 mcl64k 65536 63 0 62 1 0 1 1 0 8 0 mcl16k 16384 21 0 20 1 0 1 1 0 8 0 mcl12k 12288 7 0 7 1 0 1 1 0 8 1 mcl9k128 9344 4 0 4 1 0 1 1 0 8 1 mcl8k 8192 30 0 29 1 0 1 1 0 8 0 mcl4k 4096 3056 0 3002 14 0 14 14 0 8 6 mcl2k 2048 440 0 440 3 0 3 3 0 8 3 mextrefs 64 362 0 361 1 0 1 1 0 8 0 mtagpl 96 4 0 4 1 0 1 1 0 8 1 mbufpl 256 8624 0 8319 21 0 21 21 0 8 0 bufpl 272 2884 0 103 186 0 186 186 0 8 0 anonpl 24 109172 0 105697 33 0 33 33 0 187 11 amapchunkpl 152 18374 0 17885 33 0 33 33 0 158 14 amappl16 200 1517 0 1469 4 0 4 4 0 8 1 amappl15 192 22 0 22 1 0 1 1 0 8 1 amappl14 184 439 0 437 1 0 1 1 0 8 0 amappl13 176 126 0 116 1 0 1 1 0 8 0 amappl12 168 1021 0 993 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 0 1 1 0 8 1 amappl10 152 71 0 61 1 0 1 1 0 8 0 amappl9 144 272 0 272 1 0 1 1 0 8 1 amappl8 136 103 0 102 1 0 1 1 0 8 0 amappl7 128 161 0 150 1 0 1 1 0 8 0 amappl6 120 169 0 167 1 0 1 1 0 8 0 amappl5 112 102 0 94 1 0 1 1 0 8 0 amappl4 104 271 0 256 1 0 1 1 0 8 0 amappl3 96 3282 0 3187 3 0 3 3 0 8 0 amappl2 88 892 0 823 2 0 2 2 0 8 0 amappl1 80 11825 0 11280 13 0 13 13 0 8 1 amappl 88 5119 0 4957 5 0 5 5 0 92 1 uvmvnodes 80 103 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 128 254 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 10 0 2 1 0 1 1 0 8 0 uaddrrnd 24 778 0 748 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 778 0 748 1 0 1 1 0 8 0 vmmpekpl 168 7606 0 7576 2 0 2 2 0 8 0 vmmpepl 168 56382 0 54547 81 0 81 81 0 357 1 vmsppl 368 777 0 748 4 0 4 4 0 8 1 rwobjpl 40 17536 0 16563 11 0 11 11 0 8 1 pdppl 4096 1562 0 1496 102 36 66 82 0 8 0 pvpl 32 330531 0 321212 100 0 100 100 0 265 16 pmappl 216 777 0 748 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 564 0 36 16 0 16 16 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace dovutimens(ffff80002a765770,fffff6806c401b28,ffff80003c8f3020) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80002a765770,ffff80003c8f3160,ffff80003c8f30b0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c8f3160) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f3160) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1c800f22230, count: -4 ddb> machine ddbcpu 1 No such command ddb> trace dovutimens(ffff80002a765770,fffff6806c401b28,ffff80003c8f3020) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2691 sys_futimens(ffff80002a765770,ffff80003c8f3160,ffff80003c8f30b0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2767 syscall(ffff80003c8f3160) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c8f3160) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1c800f22230, count: -4