EI· panic: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 132 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 427083 82398 0 0 0 0 syz-executor *474990 82398 0 0 0x4000000 1K syz-executor db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83388e00) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c50c4,ffffffff833bcdb9,84,ffffffff834172db) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(a,21) at rtmap_grow+0x24f rtable_add(9) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(9) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(9,ffff800001476000) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff800010fd14a8,8020699f,ffff80003c42d580,ffff8000fffef770) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffef770,ffff80003c42d760,ffff80003c42d6b0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c42d760) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d760) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85838ed37b0, count: 5 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "map->limit == rtmap_limit" failed: file "/syzkaller/managers/multicore/kernel/sys/net/rtable.c", line 132 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83388e00) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c50c4,ffffffff833bcdb9,84,ffffffff834172db) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(a,21) at rtmap_grow+0x24f rtable_add(9) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(9) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(9,ffff800001476000) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff800010fd14a8,8020699f,ffff80003c42d580,ffff8000fffef770) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffef770,ffff80003c42d760,ffff80003c42d6b0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c42d760) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d760) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85838ed37b0, count: -10 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c42d290 rbx 0xffff8000299eeddf rdx 0 rcx 0xffff8000fffef770 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x305e46c42c234410 r11 0x6cd95fe497ba2a6d r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff823487f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c42d280 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=474990 pid=82398 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=50, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000fffee7e0,0xffff80003c458fc8 process=0xffff80002a3cf038 user=0xffff80003c428000, vmspace=0xfffffd806b9c79a0 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82398 427083 86529 0 7 0 syz-executor *82398 474990 86529 0 7 0x4000000 syz-executor 82398 30757 86529 0 2 0x4000000 syz-executor 78212 214040 16636 0 2 0 syz-executor 78212 195979 16636 0 3 0x4000080 fsleep syz-executor 77811 68580 77466 0 2 0 syz-executor 77811 148197 77466 0 3 0x4000080 fsleep syz-executor 77811 468962 77466 0 2 0x4000000 syz-executor 77999 109996 61358 0 2 0 syz-executor 77999 423557 61358 0 2 0x4000000 syz-executor 57642 275699 77560 0 3 0x80 nanoslp syz-executor 57642 26630 77560 0 3 0x4000080 kqread syz-executor 57642 155525 77560 0 3 0x4000080 fsleep syz-executor 61358 300050 12770 0 3 0x82 nanoslp syz-executor 37194 118333 0 0 3 0x14200 bored sosplice 36037 501980 12770 0 3 0x82 wait syz-executor 48072 354469 12770 0 3 0x82 wait syz-executor 77560 1752 12770 0 3 0x82 nanoslp syz-executor 77466 76838 12770 0 3 0x82 nanoslp syz-executor 29902 300823 12770 0 3 0x82 nanoslp syz-executor 16636 493162 12770 0 3 0x82 nanoslp syz-executor 86529 403901 12770 0 3 0x82 nanoslp syz-executor 12770 192531 86556 0 3 0x82 kqread syz-executor 86556 458817 76407 0 3 0x10008a sigsusp ksh 76407 20127 88598 0 3 0x98 kqread sshd-session 88598 234031 53768 0 3 0x92 kqread sshd-session 36387 243732 1 0 3 0x100083 ttyin getty 53768 512287 1 0 3 0x88 kqread sshd 41488 29878 3855 74 3 0x1100092 bpf pflogd 3855 455922 1 0 3 0x80 sbwait pflogd 65335 423727 74678 73 3 0x1100090 kqread syslogd 74678 249379 1 0 3 0x100082 sbwait syslogd 50193 241165 1 0 3 0x100080 kqread resolvd 33423 466312 38390 77 3 0x100092 kqread dhcpleased 28002 295200 38390 77 3 0x100092 kqread dhcpleased 38390 143958 1 0 3 0x80 kqread dhcpleased 60885 78708 0 0 3 0x14200 bored smr 27190 214960 0 0 3 0x14200 pgzero zerothread 2286 91168 0 0 3 0x14200 aiodoned aiodoned 70907 345478 0 0 3 0x14200 syncer update 67274 432644 0 0 3 0x14200 cleaner cleaner 92762 190724 0 0 3 0x14200 reaper reaper 76388 435927 0 0 3 0x14200 pgdaemon pagedaemon 87512 295942 0 0 3 0x14200 bored viomb 60570 338830 0 0 3 0x40014200 acpi0 acpi0 70160 285584 0 0 3 0x40014200 idle1 17889 393396 0 0 3 0x14200 bored softnet1 19684 108706 0 0 3 0x14200 bored softnet0 49393 285161 0 0 3 0x14200 smrbar systqmp 85284 77830 0 0 3 0x14200 bored systq 79946 144697 0 0 3 0x14200 tmoslp softclockmp 78707 459052 0 0 3 0x40014200 tmoslp softclock 9522 361320 0 0 3 0x40014200 idle0 1 363141 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 82398 (syz-executor) thread 0xffff8000fffef770 (474990) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff838f6a68) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 malloc+0xe3 sys/kern/kern_malloc.c:174 #3 rtmap_grow+0xb2 sys/net/rtable.c:127 #4 rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] #4 rtable_add+0x2d9 sys/net/rtable.c:223 #5 if_createrdomain+0x40 sys/net/if.c:1978 #6 ifioctl+0x1c66 sys/net/if.c:2327 #7 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 #9 Xsyscall+0x128 Process 49393 (systqmp) thread 0xffff8000ffffe530 (285161) shared rwlock systqmp r = 0 (0xffffffff8379f5e8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 11025K 11346K 166960K 11623 0 pcb 20 12K 12K 166960K 58 0 rtable 175 6K 8K 166960K 321 0 pf 31 17K 21K 166960K 73 0 ifaddr 34 5K 7K 166960K 57 0 ifgroup 47 2K 2K 166960K 72 0 sysctl 1 1K 9K 166960K 5 0 counters 64 36K 37K 166960K 90 0 ioctlops 0 0K 4K 166960K 1592 0 iov 0 0K 12K 166960K 22 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1404 88K 89K 166960K 1610 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 9 5K 5K 166960K 14 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 18 65K 73K 166960K 411 0 sigio 0 0K 0K 166960K 5 0 proc 72 115K 164K 166960K 591 0 subproc 72 4K 4K 166960K 81 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 24 0 in_multi 73 5K 7K 166960K 120 0 ether_multi 1 0K 0K 166960K 6 0 mrt 0 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 411 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 33 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 254 156K 170K 166960K 5391 0 UVM aobj 71 3K 3K 166960K 71 0 pinsyscall 43 86K 96K 166960K 1525 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 20 0 NDP 10 0K 1K 166960K 36 0 temp 47 8648K 8714K 166960K 13757 0 kqueue 14 22K 30K 166960K 67 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> 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 56 0 52 1 0 1 1 0 8 0 rtentry 176 107 0 35 5 0 5 5 0 8 0 unpcb 144 159 0 139 1 0 1 1 0 8 0 syncache 336 5 0 5 1 1 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 736 149 0 143 7 6 1 7 0 8 0 arp 136 11 0 3 1 0 1 1 0 8 0 inpcb 328 324 0 310 7 5 2 7 0 8 0 nd6 152 19 0 8 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 1 0 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 ppxss 1192 9 0 9 1 1 0 1 0 8 0 pppxif 1504 1 0 1 1 1 0 1 0 8 0 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 5 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 4 0 4 1 1 0 1 0 8 0 pfanchor 1288 1 0 1 1 1 0 1 0 8 0 pftag 88 2 0 2 1 1 0 1 0 8 0 pfstitem 24 26 0 0 1 0 1 1 0 8 0 pfstkey 128 42 0 16 1 0 1 1 0 8 0 pfstate 384 34 0 8 3 0 3 3 0 8 0 pfrule 1344 25 0 20 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 489 0 151 28 5 23 28 0 8 0 art_table 40 490 0 151 5 0 5 5 0 8 0 art_node 32 107 0 39 1 0 1 1 0 8 0 sysvmsgpl 40 6 0 5 1 0 1 1 0 8 0 semapl 112 9 0 2 1 0 1 1 0 8 0 shmpl 112 68 0 0 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2037 0 525 96 0 96 96 0 8 1 ffsino 296 2037 0 525 118 0 118 118 0 8 1 nchpl 144 2597 0 905 63 0 63 63 0 8 0 rtmask 32 3 0 3 1 1 0 1 0 8 0 vnodes 216 2291 0 0 128 0 128 128 0 8 0 namei 1024 8341 0 8341 2 1 1 2 0 8 1 percpumem 16 60 0 13 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 1 1 1 0 1 0 8 0 kstatmem 264 38 0 16 3 0 3 3 0 8 0 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 11193 0 11193 5 4 1 4 1 8 1 plimitpl 152 63 0 45 1 0 1 1 0 8 0 sigapl 424 709 0 660 6 0 6 6 0 8 0 knotepl 120 538 0 0 17 0 17 17 0 8 0 kqueuepl 224 88 0 77 1 0 1 1 0 8 0 pipepl 344 131 0 103 3 0 3 3 0 8 0 fdescpl 528 691 0 659 3 0 3 3 0 8 0 filepl 160 3083 0 2849 16 5 11 16 0 8 0 lockfpl 104 105 0 103 1 0 1 1 0 8 0 lockfspl 48 44 0 42 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 36 0 19 1 0 1 1 0 8 0 ucredpl 104 389 0 375 1 0 1 1 0 8 0 zombiepl 144 679 0 676 1 0 1 1 0 8 0 processpl 1232 709 0 660 4 0 4 4 0 8 0 procpl 664 1193 0 1136 6 0 6 6 0 8 0 sosppl 168 1 0 1 1 1 0 1 0 8 0 sockpl 752 546 0 508 11 7 4 11 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 126 0 0 16 0 16 16 0 8 0 mcl2k 2048 31 0 0 4 0 4 4 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 160 0 0 10 0 10 10 0 8 0 bufpl 280 5443 0 124 380 0 380 380 0 8 0 anonpl 32 11363 0 0 92 0 92 92 0 246 0 amapchunkpl 152 17004 0 16459 30 8 22 28 0 158 0 amappl16 200 3162 0 3132 28 24 4 27 0 8 0 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 120 0 108 1 0 1 1 0 8 0 amappl13 176 8 0 8 1 1 0 1 0 8 0 amappl12 168 1347 0 1315 3 1 2 2 0 8 0 amappl11 160 67 0 53 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 251 0 251 1 1 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 112 0 100 1 0 1 1 0 8 0 amappl6 120 185 0 181 1 0 1 1 0 8 0 amappl5 112 132 0 122 1 0 1 1 0 8 0 amappl4 104 304 0 283 1 0 1 1 0 8 0 amappl3 96 2818 0 2709 4 1 3 3 0 8 0 amappl2 88 935 0 856 2 0 2 2 0 8 0 amappl1 80 9749 0 9141 15 0 15 15 0 8 0 amappl 88 4650 0 4468 5 0 5 5 0 92 0 uvmvnodes 80 2291 0 0 47 0 47 47 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 7 0 7 2 2 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 19 0 18 1 0 1 1 0 8 0 aobjpl 72 70 0 0 2 0 2 2 0 8 0 uaddrrnd 24 691 0 659 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 691 0 659 1 0 1 1 0 8 0 vmmpekpl 168 7312 0 7274 4 1 3 3 0 8 0 vmmpepl 168 50571 0 48532 114 16 98 114 0 357 0 vmsppl 488 690 0 659 5 0 5 5 0 8 1 rwobjpl 80 19330 0 16006 72 3 69 72 0 8 0 pdppl 4096 1390 0 1318 92 20 72 76 0 8 0 pvpl 32 20028 0 0 162 0 162 162 0 265 0 pmappl 256 690 0 659 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 269 0 35 8 1 7 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff837f7ff0) 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 __mp_lock(ffffffff838f6860) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f6860) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d758dcd16c0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff837f7ff0) 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 __mp_lock(ffffffff838f6860) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff838f6860) at __mp_lock+0x192 sys/kern/kern_lock.c:165 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:847 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d758dcd16c0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83388e00) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c50c4,ffffffff833bcdb9,84,ffffffff834172db) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(a,21) at rtmap_grow+0x24f rtable_add(9) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(9) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(9,ffff800001476000) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff800010fd14a8,8020699f,ffff80003c42d580,ffff8000fffef770) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffef770,ffff80003c42d760,ffff80003c42d6b0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c42d760) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d760) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85838ed37b0, count: 5 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83388e00) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833c50c4,ffffffff833bcdb9,84,ffffffff834172db) at __assert+0x29 sys/kern/subr_prf.c:-1 rtmap_grow(a,21) at rtmap_grow+0x24f rtable_add(9) at rtable_add+0x2d9 rtable_alloc sys/net/rtable.c:370 [inline] rtable_add(9) at rtable_add+0x2d9 sys/net/rtable.c:223 if_createrdomain(9,ffff800001476000) at if_createrdomain+0x40 sys/net/if.c:1978 ifioctl(ffff800010fd14a8,8020699f,ffff80003c42d580,ffff8000fffef770) at ifioctl+0x1c66 sys/net/if.c:2327 sys_ioctl(ffff8000fffef770,ffff80003c42d760,ffff80003c42d6b0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c42d760) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c42d760) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x85838ed37b0, count: -10