*cpu1: uvm_fault(0xfffffd806c917d78, 0x0, 0, 1) -> e ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7d5339cc1260, count: -1 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff80003a008280 rbx 0 rdx 0 rcx 0xffff8000fffe82b8 rax 0x2a r8 0xffff80003a0081b0 r9 0 r10 0x1f6eb5f460b57195 r11 0x93fac0b569f7e4c4 r12 0 r13 0 r14 0 r15 0 rip 0xffffffff825c94c7 proc_trampoline+0xc7 cs 0x8 rflags 0x246 rsp 0xffff80003a008200 ss 0 proc_trampoline+0xc7: movl $0,%gs:0x688 ddb{0}> show proc PROC (syz-executor) tid=380556 pid=98276 tcnt=1 stat=onproc flags process=0 proc=0 runpri=50, usrpri=50, slppri=16, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffe8fb0,0xffff8000fffe9258 process=0xffff8000fffe5d00 user=0xffff80003a003000, vmspace=0xfffffd806c9173f0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 70133 376127 61638 0 2 0 syz-executor 26876 17922 67488 0 2 0 syz-executor *98276 380556 27928 0 7 0 syz-executor 12547 251278 13488 0 3 0x90 nanoslp syz-executor 12547 462737 13488 0 3 0x4000090 kqsel syz-executor 12547 503346 13488 0 3 0x4000090 fsleep syz-executor 44700 220654 82165 0 3 0x80 nanoslp syz-executor 44700 378728 82165 0 3 0x4000080 kqpoll syz-executor 44700 313154 82165 0 3 0x4000080 fsleep syz-executor 51972 327834 93724 0 3 0x80 nanoslp syz-executor 51972 209399 93724 0 3 0x4000080 kqsel syz-executor 51972 189800 93724 0 3 0x4000080 fsleep syz-executor 51972 183061 93724 0 3 0x4000080 fsleep syz-executor 51972 313399 93724 0 3 0x4000080 fsleep syz-executor 89282 474467 0 0 3 0x14200 acct acct 93724 301486 76950 0 3 0x82 nanoslp syz-executor 27928 13836 76950 0 3 0x82 nanoslp syz-executor 6773 403036 0 0 3 0x14280 nfsidl nfsio 4343 413676 0 0 3 0x14280 nfsidl nfsio 3989 195824 0 0 3 0x14280 nfsidl nfsio 32916 396669 0 0 3 0x14280 nfsidl nfsio 67488 440183 76950 0 3 0x82 nanoslp syz-executor 5718 296157 76950 0 2 0x2 syz-executor 61638 282077 76950 0 3 0x82 nanoslp syz-executor 98880 490049 76950 0 2 0x2 syz-executor 82165 376681 76950 0 3 0x82 nanoslp syz-executor 13488 123560 76950 0 3 0x82 nanoslp syz-executor 76950 25734 32552 0 2 0x2 syz-executor 32552 348150 99711 0 3 0x10008a sigsusp ksh 99711 64206 39366 0 3 0x98 kqread sshd-session 39366 176782 42997 0 3 0x92 kqread sshd-session 53524 309281 1 0 3 0x100083 ttyopn getty 42997 5937 1 0 3 0x88 kqread sshd 2539 228799 90544 74 3 0x1100092 bpf pflogd 90544 132969 1 0 3 0x80 sbwait pflogd 17253 28141 90902 73 3 0x1100090 kqread syslogd 90902 472355 1 0 3 0x100082 sbwait syslogd 26193 417355 1 0 3 0x100080 kqread resolvd 97227 426143 59468 77 3 0x100092 kqread dhcpleased 41082 412373 59468 77 3 0x100092 kqread dhcpleased 59468 329143 1 0 3 0x80 kqread dhcpleased 57432 428993 0 0 3 0x14200 bored smr 11740 365168 0 0 2 0x14200 zerothread 31389 511201 0 0 3 0x14200 aiodoned aiodoned 13110 446212 0 0 3 0x14200 syncer update 37271 430853 0 0 3 0x14200 cleaner cleaner 80824 365812 0 0 3 0x14200 reaper reaper 51691 405270 0 0 3 0x14200 pgdaemon pagedaemon 15263 45947 0 0 3 0x14200 bored viomb 80258 46262 0 0 3 0x40014200 acpi0 acpi0 43818 361054 0 0 3 0x40014200 idle1 80877 467203 0 0 3 0x14200 bored softnet1 1046 17650 0 0 3 0x14200 bored softnet0 25021 8561 0 0 3 0x14200 bored systqmp 99654 277799 0 0 3 0x14200 bored systq 55652 196181 0 0 3 0x14200 tmoslp softclockmp 53559 300015 0 0 3 0x40014200 tmoslp softclock 15050 38386 0 0 3 0x40014200 idle0 1 99096 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c916d10) #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_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #3 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767 #4 uvm_fault_lower+0x608 sys/uvm/uvm_fault.c:1520 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #8 recall_trap+0x8 Process 98276 (syz-executor) thread 0xffff8000fffe82b8 (380556) exclusive rwlock amaplk r = 0 (0xfffffd805ed46a08) #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 uvm_fault_check+0x8bb sys/uvm/uvm_fault.c:840 #3 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #4 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #5 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #6 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd806c9174f0) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 uvmfault_lookup+0x122 sys/uvm/uvm_fault.c:1902 #3 uvm_fault_check+0x4f sys/uvm/uvm_fault.c:699 #4 uvm_fault+0x106 sys/uvm/uvm_fault.c:633 #5 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #6 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #7 recall_trap+0x8 exclusive mutex &pmap->pm_mtx r = 0 (0xfffffd806c916d10) #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_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pmap_enter+0x24b rcr3 sys/arch/amd64/compile/SYZKALLER/obj/machine/cpufunc.h:139 [inline] #3 pmap_enter+0x24b pmap_map_ptes sys/arch/amd64/amd64/pmap.c:437 [inline] #3 pmap_enter+0x24b sys/arch/amd64/amd64/pmap.c:2767 #4 uvm_fault_lower+0x608 sys/uvm/uvm_fault.c:1520 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192 #7 usertrap+0x42f sys/arch/amd64/amd64/trap.c:622 #8 recall_trap+0x8 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10225 11267K 11679K 166960K 13098 0 pcb 18 12K 12K 166960K 82 0 rtable 170 7K 8K 166960K 512 0 pf 31 17K 21K 166960K 103 0 ifaddr 31 5K 8K 166960K 90 0 ifgroup 47 2K 2K 166960K 124 0 sysctl 3 1K 9K 166960K 9 0 counters 64 36K 37K 166960K 210 0 ioctlops 0 0K 4K 166960K 1597 0 iov 0 0K 12K 166960K 27 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1403 88K 88K 166960K 2193 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 4 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 15 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 106K 166960K 890 0 sigio 0 0K 0K 166960K 12 0 proc 72 115K 164K 166960K 626 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 0 0K 0K 166960K 210 0 in_multi 57 4K 7K 166960K 152 0 ether_multi 1 0K 0K 166960K 8 0 mrt 1 0K 0K 166960K 19 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 449 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 236 168K 181K 166960K 9341 0 UVM aobj 17 12K 12K 166960K 17 0 pinsyscall 42 84K 110K 166960K 2089 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 14 0 NDP 10 0K 2K 166960K 56 0 temp 50 8665K 8744K 166960K 28358 0 kqueue 13 20K 32K 166960K 114 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 64 0 61 1 0 1 1 0 8 0 rtentry 176 162 0 95 6 0 6 6 0 8 0 unpcb 144 259 0 239 1 0 1 1 0 8 0 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpcb 736 263 0 256 7 0 7 7 0 8 6 arp 136 26 0 11 1 0 1 1 0 8 0 inpcb 328 535 0 520 7 0 7 7 0 8 5 nd6 152 31 0 18 1 0 1 1 0 8 0 pkpcb 40 5 0 5 2 1 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1192 63 0 63 1 0 1 1 0 8 1 pppxif 1504 6 0 6 1 0 1 1 0 8 1 pffrag 232 7 0 0 1 0 1 1 0 482 0 pffrnode 88 7 0 0 1 0 1 1 0 8 0 pffrent 40 9 0 2 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 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 51 0 4 1 0 1 1 0 8 0 pfstkey 128 51 0 4 2 0 2 2 0 8 0 pfstate 448 51 0 4 6 0 6 6 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 rttmr 136 6 0 6 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 704 0 455 29 6 23 29 0 8 6 art_table 40 705 0 455 5 0 5 5 0 8 0 art_node 32 161 0 102 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 12 0 2 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2781 0 1262 96 0 96 96 0 8 0 ffsino 296 2781 0 1262 119 1 118 118 0 8 0 nchpl 144 3893 0 2182 64 0 64 64 0 8 0 rtmask 32 7 0 7 1 0 1 1 0 8 1 vnodes 216 3432 0 0 191 0 191 191 0 8 0 namei 1024 12870 0 12870 2 1 1 2 0 8 1 percpumem 16 120 0 73 1 0 1 1 0 8 0 vcpupl 3968 5 0 0 1 0 1 1 0 8 0 vmpool 840 5 0 0 1 0 1 1 0 8 0 kstatmem 264 74 0 52 3 1 2 3 0 8 0 scsiplug 72 7 0 7 1 0 1 1 0 8 1 scxspl 216 20425 0 20424 8 7 1 7 1 8 0 plimitpl 152 131 0 113 1 0 1 1 0 8 0 sigapl 424 1201 0 1149 7 1 6 7 0 8 0 knotepl 120 323 0 0 10 0 10 10 0 8 0 kqueuepl 224 210 0 198 3 0 3 3 0 8 2 pipepl 344 224 0 196 9 3 6 9 0 8 3 fdescpl 528 1180 0 1149 3 0 3 3 0 8 0 filepl 160 5841 0 5612 16 0 16 16 0 8 3 lockfpl 104 300 0 297 2 1 1 2 0 8 0 lockfspl 48 104 0 101 1 0 1 1 0 8 0 sessionpl 144 24 0 15 1 0 1 1 0 8 0 pgrppl 48 70 0 53 1 0 1 1 0 8 0 ucredpl 104 1146 0 1131 1 0 1 1 0 8 0 zombiepl 144 1150 0 1149 1 0 1 1 0 8 0 processpl 1232 1201 0 1149 5 0 5 5 0 8 0 procpl 664 2232 0 2172 6 0 6 6 0 8 0 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 752 875 0 837 11 0 11 11 0 8 7 mcl64k 65536 15 0 0 2 0 2 2 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 119 0 0 15 0 15 15 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 21 0 0 3 0 3 3 0 8 0 mtagpl 96 97 0 0 3 0 3 3 0 8 0 mbufpl 256 266 0 0 17 0 17 17 0 8 0 bufpl 280 7987 0 1850 439 0 439 439 0 8 0 anonpl 32 11616 0 0 94 0 94 94 0 246 0 amapchunkpl 152 31081 0 30509 30 1 29 30 0 158 5 amappl16 200 3714 0 3665 34 12 22 22 0 8 11 amappl15 192 18 0 18 2 2 0 1 0 8 0 amappl14 184 12 0 12 2 1 1 1 0 8 1 amappl13 176 475 0 473 1 0 1 1 0 8 0 amappl12 168 1565 0 1523 3 0 3 3 0 8 0 amappl11 160 9 0 9 1 1 0 1 0 8 0 amappl10 152 45 0 31 1 0 1 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 30 0 27 1 0 1 1 0 8 0 amappl7 128 90 0 88 1 0 1 1 0 8 0 amappl6 120 303 0 290 1 0 1 1 0 8 0 amappl5 112 72 0 60 1 0 1 1 0 8 0 amappl4 104 443 0 412 1 0 1 1 0 8 0 amappl3 96 5347 0 5269 4 1 3 3 0 8 0 amappl2 88 1288 0 1213 2 0 2 2 0 8 0 amappl1 80 12684 0 12087 15 2 13 15 0 8 0 amappl 88 8461 0 8303 5 0 5 5 0 92 0 uvmvnodes 80 112 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 128 259 0 259 2 1 1 1 0 8 1 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 16 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1180 0 1149 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1180 0 1149 1 0 1 1 0 8 0 vmmpekpl 168 10425 0 10374 3 0 3 3 0 8 0 vmmpepl 168 79311 0 77388 109 5 104 105 0 357 2 vmsppl 488 1179 0 1149 5 0 5 5 0 8 0 rwobjpl 80 22688 0 21632 31 1 30 30 0 8 0 pdppl 4096 2378 0 2303 110 33 77 88 0 8 2 pvpl 32 22561 0 0 183 1 182 182 0 265 0 pmappl 256 1184 0 1149 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 300 0 43 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace proc_trampoline() at proc_trampoline+0xc7 end of kernel end trace frame: 0x7d5339cc1260, count: -1 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x76 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x76 sys/dev/acpi/acpitimer.c:120 comcnputc(800,2d) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(2d) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2d) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29a5 sys/kern/subr_prf.c:-1 db_printf(ffffffff8334164b) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff83406b27) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80002a325e80,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80002a325e80) at kerntrap+0x19c sys/arch/amd64/amd64/trap.c:510 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b end trace frame: 0xffff80002a325f60, count: 0 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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_read_4(b008,0) at x86_bus_space_io_read_4+0x37 sys/arch/amd64/amd64/bus_space.c:682 acpitimer_delay(1) at acpitimer_delay+0x76 acpitimer_read sys/dev/acpi/acpitimer.c:142 [inline] acpitimer_delay(1) at acpitimer_delay+0x76 sys/dev/acpi/acpitimer.c:120 comcnputc(800,2d) at comcnputc+0x29b sys/dev/ic/com.c:1269 cnputc(2d) at cnputc+0x67 sys/dev/cons.c:218 db_putchar(2d) at db_putchar+0x36d sys/ddb/db_output.c:155 kprintf() at kprintf+0x29a5 sys/kern/subr_prf.c:-1 db_printf(ffffffff8334164b) at db_printf+0x9b sys/kern/subr_prf.c:-1 fault(ffffffff83406b27) at fault+0xa7 sys/arch/amd64/amd64/trap.c:161 kpageflttrap(ffff80002a325e80,0) at kpageflttrap+0x37d sys/arch/amd64/amd64/trap.c:296 kerntrap(ffff80002a325e80) at kerntrap+0x19c sys/arch/amd64/amd64/trap.c:510 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b dt_ioctl_record_stop(ffff80000149d000) at dt_ioctl_record_stop+0x108 sys/dev/dt/dt_dev.c:593 dtclose(11e5f,81,2000,ffff80002a270a78) at dtclose+0x109 dt_pcb_purge sys/dev/dt/dt_dev.c:-1 [inline] dtclose(11e5f,81,2000,ffff80002a270a78) at dtclose+0x109 sys/dev/dt/dt_dev.c:239 spec_close(ffff80002a326030) at spec_close+0x466 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd805e888548,81,fffffd80097fd208,ffff80002a270a78) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80680d4a48,ffff80002a270a78) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80680d4a48,ffff80002a270a78) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd80680d4a48,ffff80002a270a78) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80680d4a48,ffff80002a270a78) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a270a78) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80002a270a78,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a270a78,ffff80002a3263a0,ffff80002a3262f0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a3263a0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3263a0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x775f0763b400, count: -26