uvm_fault(0xfffffd807a0eb748, 0x70, 0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff83090628 cs 8 rflags 10246 cr2 70 cpl 0 rsp ffff80002ed498e0 gsbase 0xffffffff838fcff0 kgsbase 0x0 panic: trap type 6, code=0, pc=ffffffff83090628 Starting stack trace... panic(ffffffff834460e7) at panic+0x1ba sys/kern/subr_prf.c:229 kerntrap(ffff80002ed49830) at kerntrap+0x2fb alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff8000338d9268,fffffd806e797448,ffff80002ed499f0) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2771 sys_futimens(ffff8000338d9268,ffff80002ed49b30,ffff80002ed49a80) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2847 syscall(ffff80002ed49b30) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002ed49b30) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc9318660c00, count: 250 End of stack trace. WARNING: SPL NOT LOWERED ON SYSCALL 5 -1700629056 EXIT 0 3 Stopped at savectx+0xae: movl $0,%gs:0x688 TID PID UID PRFLAGS PFLAGS CPU COMMAND *176786 30331 0 0x100003 0 0 getty savectx() at savectx+0xae end of kernel end trace frame: 0x740b9aa27460, count: 14 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> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xfffffd807a0eb748, 0x70, 0, 1) -> e ddb> trace savectx() at savectx+0xae end of kernel end trace frame: 0x740b9aa27460, count: -1 ddb> show registers rdi 0 rsi 0 rbp 0xffff80003c905320 rbx 0 rdx 0 rcx 0 rax 0x3b r8 0xffff80003c905250 r9 0xfffffd8007ffdd68 r10 0x6ff20b40896c2d98 r11 0x95b977fc9ad45f12 r12 0 r13 0 r14 0xffff80002f0c02b0 r15 0 rip 0xffffffff824e53ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80003c9052a0 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb> show proc PROC (getty) tid=176786 pid=30331 tcnt=1 stat=onproc flags process=100003 proc=0 runpri=50, usrpri=51, slppri=25, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a8b3258,0xffff80002f0c1cb0 process=0xffff80002a7da420 user=0xffff80003c900000, vmspace=0xfffffd807a0eb5d8 estcpu=1, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 60616 103614 98041 0 2 0 syz-executor 60616 408746 98041 0 3 0x4000080 fsleep syz-executor 43636 167241 82391 0 2 0 syz-executor 43636 431036 82391 0 2 0x4000000 syz-executor 59532 219910 70705 0 2 0 syz-executor 59532 11220 70705 0 3 0x4000080 fsleep syz-executor 59532 196995 70705 0 3 0x4000080 fsleep syz-executor 59532 339441 70705 0 3 0x4000080 fsleep syz-executor 74991 234253 41860 -1 2 0x10 syz-executor 74991 55324 41860 -1 3 0x4000010 netlock syz-executor 74991 75841 41860 -1 3 0x4000090 fsleep syz-executor 74991 75064 41860 -1 3 0x4000090 fsleep syz-executor 31914 374765 0 0 3 0x14200 acct acct *30331 176786 1 0 7 0x100003 getty 6378 225389 59760 0 2 0x2 syz-executor 88771 274248 59760 0 2 0x2 syz-executor 41860 160095 59760 0 2 0x2 syz-executor 82391 251401 59760 0 2 0x2 syz-executor 98041 67653 59760 0 2 0x2 syz-executor 579 156933 59760 0 2 0x2 syz-executor 40695 455840 59760 0 2 0x2 syz-executor 70705 104288 59760 0 2 0x2 syz-executor 59760 9409 1 0 2 0x2 syz-executor 48217 106211 2466 0 3 0x98 kqread sshd-session 2466 319493 25436 0 3 0x92 kqread sshd-session 25436 175566 1 0 3 0x88 kqread sshd 77575 293529 19111 73 3 0x1100090 kqread syslogd 19111 435460 1 0 3 0x100082 sbwait syslogd 45262 244464 1 0 3 0x100080 kqread resolvd 9230 357146 8463 77 3 0x100092 kqread dhcpleased 39820 436045 8463 77 3 0x100092 kqread dhcpleased 8463 471315 1 0 3 0x80 kqread dhcpleased 70352 14843 0 0 3 0x14200 bored smr 45290 222619 0 0 2 0x14200 zerothread 68999 59918 0 0 3 0x14200 aiodoned aiodoned 93394 231081 0 0 2 0x14200 update 96291 224281 0 0 3 0x14200 cleaner cleaner 19841 172150 0 0 3 0x14200 reaper reaper 84218 329673 0 0 3 0x14200 pgdaemon pagedaemon 36859 478300 0 0 3 0x14200 bored viomb 92825 283242 0 0 3 0x40014200 acpi0 acpi0 49500 461280 0 0 3 0x14200 netlock softnet0 97919 476255 0 0 2 0x14200 systqmp 3474 49547 0 0 3 0x14200 bored systq 386 330100 0 0 3 0x40014200 netlock softclock 30789 70584 0 0 3 0x40014200 idle0 1 390761 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11043 12134K 12500K 166960K 13040 0 pcb 17 14K 16K 166960K 287 0 rtable 207 7K 8K 166960K 488 0 pf 35 14K 22K 166960K 404 0 ifaddr 35 6K 7K 166960K 69 0 ifgroup 46 2K 2K 166960K 100 0 sysctl 3 1K 9K 166960K 14 0 counters 32 17K 17K 166960K 52 0 ioctlops 0 0K 4K 166960K 482 0 iov 0 0K 20K 166960K 52 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1333 84K 84K 166960K 2170 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 20K 24K 166960K 17 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 1K 166960K 115 0 dirhash 15 2K 3K 166960K 57 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 14 49K 240K 166960K 1210 0 sigio 0 0K 0K 166960K 10 0 proc 63 67K 83K 166960K 681 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 306 0 in_multi 79 5K 7K 166960K 145 0 ether_multi 1 0K 0K 166960K 4 0 mrt 1 0K 0K 166960K 27 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 469 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 194 143K 170K 166960K 13175 0 UVM aobj 27 4K 4K 166960K 30 0 pinsyscall 35 70K 93K 166960K 2385 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 182 0 NDP 10 0K 2K 166960K 48 0 temp 75 9080K 9150K 166960K 50120 0 kqueue 14 22K 28K 166960K 183 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 91 0 88 1 0 1 1 0 8 0 rtentry 136 143 0 57 4 0 4 4 0 8 0 unpcb 144 878 0 863 11 5 6 6 0 8 5 syncache 336 10 0 10 3 2 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 736 273 0 267 7 3 4 4 0 8 3 arp 96 24 0 10 1 0 1 1 0 8 0 ipq 40 7 0 7 1 0 1 1 0 8 1 ipqe 40 9 0 9 1 0 1 1 0 8 1 inpcb 328 926 0 916 12 8 4 7 0 8 2 ip6q 72 5 0 5 2 1 1 1 0 8 1 ip6af 40 9 0 9 2 1 1 1 0 8 1 nd6 112 32 0 14 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1072 12 0 12 2 1 1 1 0 8 1 pfstscr 40 18 0 16 3 2 1 1 0 8 0 pffrag 232 6 0 2 1 0 1 1 0 482 0 pffrnode 88 6 0 2 1 0 1 1 0 8 0 pffrent 40 8 0 4 1 0 1 1 0 8 0 pfrktable 1344 2 1 1 1 0 1 1 0 8 0 pfsrclim 320 1 0 1 1 0 1 1 0 8 1 pfanchor 1288 6 0 1 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfqueue 320 1 0 0 1 0 1 1 0 8 0 pfstitem 24 10 0 5 1 0 1 1 0 8 0 pfstkey 128 49 0 43 2 1 1 1 0 8 0 pfstate 384 27 0 24 2 1 1 1 0 8 0 pfrule 1360 74 0 72 2 1 1 1 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 550 0 174 29 0 29 29 0 8 3 art_table 40 552 0 174 5 0 5 5 0 8 0 art_node 32 143 0 65 1 0 1 1 0 8 0 sysvmsgpl 40 53 0 52 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 111 0 101 1 0 1 1 0 8 0 shmpl 112 27 0 3 1 0 1 1 0 8 0 dirhash 1024 47 0 28 3 0 3 3 0 8 0 dino2pl 256 3519 0 2062 92 0 92 92 0 8 0 ffsino 256 3519 0 2062 92 0 92 92 0 8 0 nchpl 144 5125 0 3430 64 0 64 64 0 8 0 vnodes 216 4036 0 0 225 0 225 225 0 8 0 namei 1024 16729 0 16728 5 4 1 2 0 8 0 pfiaddrpl 120 1 0 1 1 0 1 1 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 kstatmem 264 57 0 36 2 0 2 2 0 8 0 scsiplug 72 5 0 5 3 2 1 1 0 8 1 scxspl 216 16619 0 16618 9 8 1 8 1 8 0 plimitpl 152 172 0 156 1 0 1 1 0 8 0 sigapl 424 1519 0 1480 9 1 8 8 0 8 0 knotepl 120 53055 0 53006 87 76 11 23 0 8 8 kqueuepl 184 418 0 408 8 4 4 4 0 8 3 pipepl 304 176 0 149 3 0 3 3 0 8 0 fdescpl 448 1483 0 1457 5 1 4 5 0 8 0 filepl 120 8158 0 7952 19 6 13 13 0 8 4 lockfpl 104 334 0 332 1 0 1 1 0 8 0 lockfspl 48 144 0 142 1 0 1 1 0 8 0 sessionpl 144 102 0 94 1 0 1 1 0 8 0 pgrppl 48 192 0 176 1 0 1 1 0 8 0 ucredpl 104 1181 0 1167 1 0 1 1 0 8 0 zombiepl 144 2287 0 2287 1 0 1 1 0 8 1 processpl 1152 1521 0 1480 5 0 5 5 0 8 0 procpl 664 3467 0 3418 10 1 9 9 0 8 2 sosppl 176 5 0 5 2 1 1 1 0 8 1 sockpl 552 1927 0 1899 24 14 10 15 0 8 7 mcl64k 65536 164 0 164 2 1 1 1 0 8 1 mcl16k 16384 57 0 57 3 2 1 1 0 8 1 mcl12k 12288 10 0 10 2 1 1 1 0 8 1 mcl9k128 9344 5 0 5 2 1 1 1 0 8 1 mcl8k 8192 103 0 103 4 3 1 1 0 8 1 mcl4k 4096 4368 0 4315 17 9 8 14 0 8 0 mcl2k 2048 1128 0 1126 3 2 1 3 0 8 0 mtagpl 96 10 0 6 1 0 1 1 0 8 0 mbufpl 256 16673 0 16523 40 27 13 39 0 8 0 bufpl 280 4747 0 106 332 0 332 332 0 8 0 anonpl 24 179685 0 175725 28 3 25 25 0 187 1 amapchunkpl 152 42726 0 42282 41 8 33 33 0 158 13 amappl16 200 2556 0 2528 8 3 5 5 0 8 2 amappl15 192 5 0 5 2 1 1 1 0 8 1 amappl14 184 475 0 475 1 0 1 1 0 8 1 amappl13 176 128 0 118 1 0 1 1 0 8 0 amappl12 168 1737 0 1713 2 0 2 2 0 8 0 amappl11 160 1 0 1 1 1 0 1 0 8 0 amappl10 152 55 0 45 1 0 1 1 0 8 0 amappl9 144 260 0 260 1 1 0 1 0 8 0 amappl8 136 108 0 107 1 0 1 1 0 8 0 amappl7 128 152 0 140 1 0 1 1 0 8 0 amappl6 120 175 0 174 1 0 1 1 0 8 0 amappl5 112 100 0 92 1 0 1 1 0 8 0 amappl4 104 286 0 270 1 0 1 1 0 8 0 amappl3 96 8947 0 8860 4 0 4 4 0 8 0 amappl2 88 588 0 533 2 0 2 2 0 8 0 amappl1 80 15452 0 14919 19 4 15 15 0 8 2 amappl 88 12266 0 12134 5 0 5 5 0 92 0 uvmvnodes 80 125 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 254 0 254 2 2 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 29 0 3 1 0 1 1 0 8 0 uaddrrnd 24 1482 0 1457 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1482 0 1457 1 0 1 1 0 8 0 vmmpekpl 168 14128 0 14082 3 0 3 3 0 8 0 vmmpepl 168 100134 0 98523 106 15 91 91 0 357 8 vmsppl 368 1481 0 1457 4 1 3 4 0 8 0 rwobjpl 40 28195 0 27238 15 2 13 13 0 8 2 pdppl 4096 2970 0 2914 116 54 62 78 0 8 6 pvpl 32 596739 0 587691 104 11 93 93 0 265 11 pmappl 216 1481 0 1457 2 0 2 2 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 432 0 112 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace savectx() at savectx+0xae end of kernel end trace frame: 0x740b9aa27460, count: -1 ddb> machine ddbcpu 1 No such command ddb> trace savectx() at savectx+0xae end of kernel end trace frame: 0x740b9aa27460, count: -1