*cpu1: uvm_fault(0xfffff3006c6a43e8, 0x98, 0, 1) -> e ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x70ffce77dd50, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80002a2842e0 rbx 0 rdx 0 rcx 0xffff80002a223a00 rax 0x32 r8 0xffff80002a284210 r9 0 r10 0x38ffae020a64d62b r11 0xb04c96ea81e772f5 r12 0 r13 0 r14 0xffff80002a223a00 r15 0 rip 0xffffffff818483ee savectx+0xae cs 0x8 rflags 0x46 rsp 0xffff80002a284260 ss 0x10 savectx+0xae: movl $0,%gs:0x688 ddb{0}> show proc PROC (syslogd) tid=318212 pid=72472 tcnt=1 stat=onproc flags process=1100010 proc=0 runpri=24, usrpri=50, slppri=24, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a2234d0,0xffff80002a222550 process=0xffff80002a2244e0 user=0xffff80002a27f000, vmspace=0xfffff3000b063000 estcpu=0, cpticks=4, pctcpu=0.0, user=0, sys=4, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 22313 13019 73497 0 2 0 syz-executor 90053 105533 14265 0 2 0 syz-executor 90053 299537 14265 0 7 0x4000000 syz-executor 62927 164476 9586 0 2 0 syz-executor 62927 61597 9586 0 3 0x4000080 kqsel syz-executor 46097 175115 81224 0 2 0 syz-executor 46097 132311 81224 0 3 0x4000080 rest syz-executor 46097 446171 81224 0 3 0x4000080 rest syz-executor 46097 399455 81224 0 2 0x4000000 syz-executor 68812 356996 85176 0 3 0x80 nanoslp syz-executor 68812 500310 85176 0 3 0x4000080 kqsel syz-executor 68812 164020 85176 0 3 0x4000080 fsleep syz-executor 98406 232158 37446 0 3 0x80 nanoslp syz-executor 98406 53657 37446 0 3 0x4000080 fifow syz-executor 98406 45889 37446 0 3 0x4000080 kqsel syz-executor 94463 297952 20721 0 3 0x2 biowait syz-executor 37446 304284 20721 0 3 0x82 nanoslp syz-executor 73497 163163 20721 0 3 0x82 nanoslp syz-executor 58808 471706 20721 0 3 0x2 biowait syz-executor 81224 175966 20721 0 3 0x82 nanoslp syz-executor 14265 483009 20721 0 3 0x82 nanoslp syz-executor 9586 386119 20721 0 3 0x82 nanoslp syz-executor 85176 19221 20721 0 3 0x82 nanoslp syz-executor 20721 66964 45449 0 3 0x82 kqread syz-executor 45449 358009 39979 0 3 0x10008a sigsusp ksh 39979 467309 10187 0 3 0x98 kqread sshd-session 10187 385161 65274 0 3 0x92 kqread sshd-session 86213 298546 1 0 3 0x100083 ttyin getty 65274 24996 1 0 3 0x88 kqread sshd 36652 463536 69509 74 3 0x1100092 bpf pflogd 69509 182114 1 0 3 0x80 sbwait pflogd *72472 318212 4537 73 7 0x1100010 syslogd 4537 353378 1 0 3 0x100082 sbwait syslogd 59935 70860 1 0 3 0x100080 kqread resolvd 97502 346592 83731 77 3 0x100092 kqread dhcpleased 43497 387626 83731 77 3 0x100092 kqread dhcpleased 83731 362977 1 0 3 0x80 kqread dhcpleased 11392 312742 0 0 3 0x14200 bored smr 54639 371329 0 0 2 0x14200 zerothread 78668 503128 0 0 3 0x14200 aiodoned aiodoned 96967 385995 0 0 3 0x14200 syncer update 45343 468452 0 0 3 0x14200 cleaner cleaner 74685 405450 0 0 3 0x14200 reaper reaper 19473 74045 0 0 3 0x14200 pgdaemon pagedaemon 70421 313064 0 0 3 0x14200 bored viomb 30944 6750 0 0 3 0x40014200 acpi0 acpi0 17815 282845 0 0 3 0x40014200 idle1 43922 223606 0 0 3 0x14200 bored softnet1 47654 312776 0 0 3 0x14200 bored softnet0 27819 317780 0 0 3 0x14200 bored systqmp 98491 37683 0 0 3 0x14200 bored systq 74936 339697 0 0 3 0x14200 tmoslp softclockmp 36972 259237 0 0 3 0x40014200 tmoslp softclock 99404 33996 0 0 3 0x40014200 idle0 1 515489 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex /syzkaller/managers/multicore/kernel/sys/kern/kern_timeout.c:62 r = 0 (0xffffffff83944050) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter+0x4b4 sys/kern/kern_lock.c:487 #2 timeout_del+0x3a sys/kern/kern_timeout.c:480 #3 sleep_finish+0x36a sys/kern/kern_synch.c:411 #4 msleep_nsec+0x132 sys/kern/kern_synch.c:219 #5 kqueue_sleep+0x127 sys/kern/kern_event.c:1626 #6 kqueue_scan+0x223 sys/kern/kern_event.c:1681 #7 sys_kevent+0x6d3 sys/kern/kern_event.c:1338 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 90053 (syz-executor) thread 0xffff8000fffeca80 (299537) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a57a40) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] #1 syscall+0xaf4 sys/arch/amd64/amd64/trap.c:783 #2 Xsyscall+0x128 Process 94463 (syz-executor) thread 0xffff80002a246fa8 (297952) exclusive rrwlock inode r = 0 (0xfffff3006c385318) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x963 sys/kern/vfs_lookup.c:580 #11 namei+0x7c5 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffff3006c8ceea0) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 Process 58808 (syz-executor) thread 0xffff80002a247a08 (471706) exclusive rrwlock inode r = 0 (0xfffff3006c3857b8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x963 sys/kern/vfs_lookup.c:580 #11 namei+0x7c5 sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffff3006d236558) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:576 #5 vfs_lookup+0x12b sys/kern/vfs_lookup.c:431 #6 namei+0x7c5 sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1806 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 #9 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11079 12346K 12346K 166960K 12321 0 pcb 17 12K 12K 166960K 28 0 rtable 239 6K 7K 166960K 358 0 pf 35 17K 18K 166960K 46 0 ifaddr 43 7K 7K 166960K 45 0 ifgroup 55 2K 2K 166960K 55 0 sysctl 3 1K 9K 166960K 7 0 counters 70 37K 37K 166960K 70 0 ioctlops 0 0K 4K 166960K 1491 0 iov 0 0K 16K 166960K 2 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1354 85K 85K 166960K 1454 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 3 0 VM map 2 1K 1K 166960K 2 0 sem 3 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 89K 166960K 173 0 sigio 0 0K 0K 166960K 1 0 proc 72 115K 147K 166960K 554 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 3 0 in_multi 99 7K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 3 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 385 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 220 150K 158K 166960K 3403 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 41 82K 104K 166960K 1332 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 24 1K 2K 166960K 28 0 temp 37 9114K 9178K 166960K 4032 0 kqueue 14 22K 22K 166960K 29 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 39 0 35 1 0 1 1 0 8 0 rtentry 176 112 0 1 6 0 6 6 0 8 0 unpcb 144 52 0 33 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 12 0 8 1 0 1 1 0 8 0 arp 136 18 0 0 1 0 1 1 0 8 0 inpcb 328 98 0 88 2 0 2 2 0 8 1 nd6 152 25 0 0 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 pfstscr 40 2 0 0 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 1 0 8 0 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 22 0 0 1 0 1 1 0 8 0 pfstkey 128 22 0 0 1 0 1 1 0 8 0 pfstate 448 21 0 0 3 0 3 3 0 8 0 pfrule 1360 22 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 455 0 0 29 0 29 29 0 8 0 art_table 40 456 0 0 5 0 5 5 0 8 0 art_node 32 112 0 11 1 0 1 1 0 8 0 semapl 72 2 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 1628 0 160 93 0 93 93 0 8 0 ffsino 296 1628 0 160 114 0 114 114 0 8 0 nchpl 144 1869 0 169 64 0 64 64 0 8 0 vnodes 216 1798 0 0 100 0 100 100 0 8 0 namei 1024 5840 0 5840 1 0 1 1 0 8 1 percpumem 16 50 0 0 1 0 1 1 0 8 0 kstatmem 264 27 0 0 2 0 2 2 0 8 0 scxspl 216 6534 0 6532 4 1 3 3 1 8 2 plimitpl 152 34 0 17 1 0 1 1 0 8 0 sigapl 424 491 0 445 7 0 7 7 0 8 1 knotepl 120 102 0 0 4 0 4 4 0 8 0 kqueuepl 224 35 0 21 1 0 1 1 0 8 0 pipepl 344 126 0 99 3 0 3 3 0 8 0 fdescpl 528 475 0 445 3 0 3 3 0 8 0 filepl 160 1820 0 1597 12 0 12 12 0 8 2 lockfpl 104 167 0 164 2 0 2 2 0 8 1 lockfspl 48 85 0 82 1 0 1 1 0 8 0 sessionpl 144 26 0 17 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 127 0 114 1 0 1 1 0 8 0 zombiepl 144 445 0 445 1 0 1 1 0 8 1 processpl 1232 491 0 445 5 0 5 5 0 8 0 procpl 664 558 0 503 6 0 6 6 0 8 0 sockpl 752 189 0 156 5 0 5 5 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 125 0 0 16 0 16 16 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 128 0 0 8 0 8 8 0 8 0 bufpl 272 2400 0 105 153 0 153 153 0 8 0 anonpl 32 3762 0 0 31 0 31 31 0 246 0 amapchunkpl 152 9276 0 8837 22 1 21 21 0 158 1 amappl16 200 1694 0 1675 5 0 5 5 0 8 3 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 471 0 470 1 0 1 1 0 8 0 amappl13 176 122 0 110 1 0 1 1 0 8 0 amappl12 168 722 0 694 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 0 1 1 0 8 1 amappl10 152 64 0 49 1 0 1 1 0 8 0 amappl9 144 275 0 275 1 0 1 1 0 8 1 amappl8 136 96 0 94 1 0 1 1 0 8 0 amappl7 128 192 0 178 1 0 1 1 0 8 0 amappl6 120 156 0 155 1 0 1 1 0 8 0 amappl5 112 98 0 88 1 0 1 1 0 8 0 amappl4 104 381 0 361 1 0 1 1 0 8 0 amappl3 96 1710 0 1609 4 0 4 4 0 8 0 amappl2 88 552 0 489 2 0 2 2 0 8 0 amappl1 80 10580 0 9978 14 0 14 14 0 8 0 amappl 88 2678 0 2527 4 0 4 4 0 92 0 uvmvnodes 80 102 0 0 3 0 3 3 0 8 0 dma65536 65536 1 0 1 1 0 1 1 0 8 1 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 128 253 0 253 1 1 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 475 0 445 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 475 0 445 1 0 1 1 0 8 0 vmmpekpl 168 5997 0 5967 2 0 2 2 0 8 0 vmmpepl 168 39777 0 37939 87 0 87 87 0 357 0 vmsppl 488 474 0 445 5 0 5 5 0 8 0 rwobjpl 80 14795 0 13782 23 0 23 23 0 8 0 pdppl 4096 957 0 890 95 12 83 83 0 8 16 pvpl 32 10718 0 0 88 1 87 87 0 265 0 pmappl 256 474 0 445 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 419 0 15 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace savectx() at savectx+0xae end of kernel end trace frame: 0x70ffce77dd50, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_write_1(3f8,0,65) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,65) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,65) at comcnputc+0x1ab sys/dev/ic/com.c:1268 cnputc(65) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff835423e7) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff80003c3f2590) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff80003c3f2590) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff80003c3f2590) at kerntrap+0x243 sys/arch/amd64/amd64/trap.c:519 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff8000fffeca80,fffff3006c4e3040,ffff80003c3f2750) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2690 sys_futimens(ffff8000fffeca80,ffff80003c3f28a0,ffff80003c3f27f0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2766 end trace frame: 0xffff80003c3f2890, count: 0 ddb{1}> trace x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 x86_bus_space_io_write_1(3f8,0,65) at x86_bus_space_io_write_1+0x40 sys/arch/amd64/amd64/bus_space.c:790 comcnputc(800,65) at comcnputc+0x1ab bus_space_barrier sys/dev/ic/com.c:-1 [inline] comcnputc(800,65) at comcnputc+0x1ab sys/dev/ic/com.c:1268 cnputc(65) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(65) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x223 sys/kern/subr_prf.c:723 db_printf(ffffffff835423e7) at db_printf+0x9b sys/kern/subr_prf.c:-1 db_ktrap(6,0,ffff80003c3f2590) at db_ktrap+0xe3 db_printtrap sys/arch/amd64/amd64/db_interface.c:99 [inline] db_ktrap(6,0,ffff80003c3f2590) at db_ktrap+0xe3 sys/arch/amd64/amd64/db_interface.c:128 kerntrap(ffff80003c3f2590) at kerntrap+0x243 sys/arch/amd64/amd64/trap.c:519 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dovutimens(ffff8000fffeca80,fffff3006c4e3040,ffff80003c3f2750) at dovutimens+0x368 sys/kern/vfs_syscalls.c:2690 sys_futimens(ffff8000fffeca80,ffff80003c3f28a0,ffff80003c3f27f0) at sys_futimens+0xb3 sys/kern/vfs_syscalls.c:2766 syscall(ffff80003c3f28a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f28a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x913914c1830, count: -16