uvm_fault(0xfffffd806c5fd670, 0x11e57ee8, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pf_anchor_global_RB_INSERT_COLOR+0x70: movl 0x18(%r14),%r12d TID PID UID PRFLAGS PFLAGS CPU COMMAND *206877 96058 0 0 0x4000000 0 syz-executor.4 pf_anchor_global_RB_INSERT_COLOR(ffffffff82ac33a0,ffff800000c8b000) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff800000c63804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 pf_begin_rules sys/net/pf_ioctl.c:529 [inline] pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 sys/net/pf_ioctl.c:2514 VOP_IOCTL(fffffd806e828858,c0104451,ffff8000216cb9e0,3,fffffd807f7d77e0,ffff800024b07270) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80692f4180,c0104451,ffff8000216cb9e0,ffff800024b07270) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:528 sys_ioctl(ffff800024b07270,ffff8000216cbaf8,ffff8000216cbb50) at sys_ioctl+0x49e syscall(ffff8000216cbbc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x100062e68ee0, count: 6 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(0xfffffd806c5fd670, 0x11e57ee8, 0, 1) -> e ddb> trace pf_anchor_global_RB_INSERT_COLOR(ffffffff82ac33a0,ffff800000c8b000) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff800000c63804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 pf_begin_rules sys/net/pf_ioctl.c:529 [inline] pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 sys/net/pf_ioctl.c:2514 VOP_IOCTL(fffffd806e828858,c0104451,ffff8000216cb9e0,3,fffffd807f7d77e0,ffff800024b07270) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80692f4180,c0104451,ffff8000216cb9e0,ffff800024b07270) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:528 sys_ioctl(ffff800024b07270,ffff8000216cbaf8,ffff8000216cbb50) at sys_ioctl+0x49e syscall(ffff8000216cbbc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x100062e68ee0, count: -9 ddb> show registers rdi 0x1 rsi 0x1 rbp 0xffff8000216cb5d0 rbx 0xffff800000c8b000 rdx 0 rcx 0 rax 0xffff800024b07270 r8 0x101010101010101 r9 0x8080808080808080 r10 0x1ef37917a83f807e r11 0xe20e2dcada64d6c3 r12 0x1 r13 0xffff800000c32000 r14 0x11e57ed0 __kernel_phys_end+0xf257ed0 r15 0xffff800000c66000 rip 0xffffffff824d4d70 pf_anchor_global_RB_INSERT_COLOR+0x70 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff8000216cb580 ss 0x10 pf_anchor_global_RB_INSERT_COLOR+0x70: movl 0x18(%r14),%r12d ddb> show proc PROC (syz-executor.4) pid=206877 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=81, nice=20 forw=0xffffffffffffffff, list=0xffff800024b07510,0xffff800021684d38 process=0xffff80002169db90 user=0xffff8000216c6000, vmspace=0xfffffd806c5fd670 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 73427 424666 89558 0 2 0 syz-executor.5 73427 327507 89558 0 3 0x4000080 fsleep syz-executor.5 52635 95557 83075 0 2 0 syz-executor.3 52635 414737 83075 0 3 0x4000080 fsleep syz-executor.3 14438 391502 32381 0 2 0 syz-executor.0 14438 189331 32381 0 3 0x4000080 fsleep syz-executor.0 96058 398547 41158 0 2 0 syz-executor.4 *96058 206877 41158 0 7 0x4000000 syz-executor.4 96058 372254 41158 0 3 0x4000080 fsleep syz-executor.4 4614 213436 92440 0 2 0 syz-executor.6 4614 492348 92440 0 2 0x4000000 syz-executor.6 4614 361376 92440 0 3 0x4000080 fsleep syz-executor.6 34491 72889 29202 0 2 0 syz-executor.7 34491 182982 29202 0 3 0x4000080 fsleep syz-executor.7 49919 202074 94041 0 2 0 syz-executor.2 49919 437301 94041 0 3 0x4000080 fsleep syz-executor.2 29202 21140 38083 0 3 0x82 nanoslp syz-executor.7 41158 436275 38083 0 3 0x82 nanoslp syz-executor.4 32381 244595 38083 0 3 0x82 nanoslp syz-executor.0 30739 351197 0 0 3 0x14200 acct acct 58378 61813 0 0 3 0x14280 nfsidl nfsio 70965 469363 0 0 3 0x14280 nfsidl nfsio 15197 469818 0 0 3 0x14280 nfsidl nfsio 49738 105661 0 0 3 0x14280 nfsidl nfsio 88727 67550 0 0 3 0x14280 nfsidl nfsio 25132 304829 0 0 3 0x14280 nfsidl nfsio 37382 361135 0 0 3 0x14280 nfsidl nfsio 52553 354222 0 0 3 0x14280 nfsidl nfsio 43431 107200 0 0 3 0x14280 nfsidl nfsio 95006 147788 0 0 3 0x14280 nfsidl nfsio 58790 276541 0 0 3 0x14280 nfsidl nfsio 2509 15243 0 0 3 0x14280 nfsidl nfsio 77401 411811 0 0 3 0x14280 nfsidl nfsio 63267 413547 0 0 3 0x14280 nfsidl nfsio 9007 356470 0 0 3 0x14280 nfsidl nfsio 2045 368354 0 0 3 0x14280 nfsidl nfsio 86238 140037 0 0 3 0x14280 nfsidl nfsio 41981 99352 0 0 3 0x14280 nfsidl nfsio 21312 425333 0 0 3 0x14280 nfsidl nfsio 21163 502910 0 0 3 0x14280 nfsidl nfsio 97659 218944 38083 0 3 0x82 nanoslp syz-executor.1 92440 91325 38083 0 3 0x82 nanoslp syz-executor.6 83075 113064 38083 0 3 0x82 nanoslp syz-executor.3 94041 383545 38083 0 3 0x82 nanoslp syz-executor.2 63212 450358 0 0 3 0x14200 bored sosplice 89558 490128 38083 0 3 0x82 nanoslp syz-executor.5 38083 340958 89889 0 3 0x82 thrsleep syz-fuzzer 38083 412243 89889 0 3 0x4000082 thrsleep syz-fuzzer 38083 87230 89889 0 3 0x4000082 thrsleep syz-fuzzer 38083 395985 89889 0 3 0x4000082 thrsleep syz-fuzzer 38083 487417 89889 0 3 0x4000082 thrsleep syz-fuzzer 38083 336732 89889 0 3 0x4000082 kqread syz-fuzzer 38083 299955 89889 0 3 0x4000082 thrsleep syz-fuzzer 38083 515632 89889 0 3 0x4000082 thrsleep syz-fuzzer 38083 244877 89889 0 3 0x4000082 thrsleep syz-fuzzer 89889 455723 78902 0 3 0x10008a sigsusp ksh 78902 10967 6194 0 3 0x9a kqread sshd 70648 208887 1 0 3 0x100083 ttyin getty 6194 518107 1 0 3 0x88 kqread sshd 12245 427053 66537 73 3 0x1100090 kqread syslogd 66537 471113 1 0 3 0x100082 netio syslogd 26663 402375 1 0 3 0x100080 kqread resolvd 68737 429915 10110 77 3 0x100092 kqread dhcpleased 14490 265756 10110 77 3 0x100092 kqread dhcpleased 10110 372954 1 0 3 0x80 kqread dhcpleased 46834 489836 0 0 3 0x14200 bored smr 3896 453813 0 0 2 0x14200 zerothread 80533 331401 0 0 3 0x14200 aiodoned aiodoned 97174 445854 0 0 3 0x14200 syncer update 1719 113696 0 0 3 0x14200 cleaner cleaner 1302 49974 0 0 3 0x14200 reaper reaper 3093 114941 0 0 3 0x14200 pgdaemon pagedaemon 58912 292494 0 0 3 0x14200 bored viomb 73157 247373 0 0 3 0x40014200 acpi0 acpi0 91553 508712 0 0 3 0x14200 bored softnet 49352 341223 0 0 3 0x14200 bored softnet 66413 211693 0 0 3 0x14200 bored softnet 28677 327108 0 0 3 0x14200 bored softnet 9662 58610 0 0 3 0x14200 bored systqmp 35138 5815 0 0 3 0x14200 bored systq 85815 283969 0 0 3 0x40014200 bored softclock 79172 225946 0 0 3 0x40014200 idle0 1 371266 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10162 6420K 6933K 78643K 16042 0 pcb 13 14K 16K 78643K 274 0 rtable 134 7K 10K 78643K 1203 0 ifaddr 71 16K 19K 78643K 994 0 sysctl 2 0K 0K 78643K 2 0 counters 24 17K 17K 78643K 67 0 ioctlops 0 0K 4K 78643K 4618 0 iov 0 0K 28K 78643K 270 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1413 88K 89K 78643K 2703 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 28 0 VM map 2 0K 0K 78643K 2 0 sem 10 1K 1K 78643K 13 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 81K 78643K 3588 0 sigio 0 0K 0K 78643K 23 0 proc 58 59K 83K 78643K 876 0 subproc 104 6K 7K 78643K 247 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 23 0 in_multi 47 3K 6K 78643K 292 0 ether_multi 1 0K 0K 78643K 21 0 mrt 0 0K 0K 78643K 20 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 61 281K 281K 78643K 61 0 exec 0 0K 2K 78643K 1078 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 266 180K 626K 78643K 20243 0 UVM aobj 125 3K 3K 78643K 125 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 187 0 NDP 9 0K 2K 78643K 97 0 temp 150 4792K 5806K 78643K 68754 0 kqueue 14 22K 30K 78643K 1562 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 163 0 160 2 1 1 2 0 8 0 rtentry 112 284 0 232 4 1 3 4 0 8 0 unpcb 136 1438 0 1422 19 16 3 6 0 8 2 syncache 296 7 0 7 2 2 0 1 0 8 0 tcpqe 32 3 0 3 1 1 0 1 0 8 0 tcpcb 736 853 0 846 47 38 9 13 0 8 8 arp 88 40 0 34 1 0 1 1 0 8 0 inpcb 312 2088 0 2080 51 42 9 11 0 8 8 ip6q 72 34 0 34 1 1 0 1 0 8 0 ip6af 40 68 0 68 1 1 0 1 0 8 0 nd6 48 64 0 55 1 0 1 1 0 8 0 pkpcb 40 15 0 15 3 3 0 1 0 8 0 kcovpl 48 19 0 11 1 0 1 1 0 8 0 ppxss 1152 7 0 7 1 1 0 1 0 8 0 pfstscr 40 67 0 67 1 1 0 1 0 8 0 pfosfp 40 3 0 2 1 0 1 1 0 8 0 pfosfpen 112 3 0 2 1 0 1 1 0 8 0 pfrktable 1344 184 0 178 2 1 1 1 0 8 0 pftag 88 18 0 14 1 0 1 1 0 8 0 pfstkey 112 67 0 67 1 1 0 1 0 8 0 pfstate 336 67 0 67 1 1 0 1 0 8 0 pfrule 1360 415 0 386 3 0 3 3 0 8 0 rttmr 64 7 0 7 2 2 0 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 1171 0 939 33 14 19 29 0 8 0 art_table 32 1172 0 939 4 0 4 4 0 8 1 art_node 16 283 0 237 1 0 1 1 0 8 0 sysvmsgpl 40 9 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 8 0 0 1 0 1 1 0 8 0 shmpl 112 122 0 0 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5573 0 4124 91 0 91 91 0 8 0 ffsino 240 5573 0 4124 86 0 86 86 0 8 0 nchpl 144 10259 0 8632 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 36783 0 36783 2 1 1 2 0 8 1 vcpupl 1984 7 0 1 1 0 1 1 0 8 0 vmpool 528 7 0 1 1 0 1 1 0 8 0 pfiaddrpl 120 394 0 388 2 1 1 1 0 8 0 kstatmem 264 104 0 86 2 0 2 2 0 8 0 scsiplug 72 3 0 3 1 1 0 1 0 8 0 scxspl 216 29522 0 29522 11 10 1 8 0 8 1 plimitpl 152 187 0 173 1 0 1 1 0 8 0 sigapl 424 3876 0 3809 8 0 8 8 0 8 0 futexpl 64 34131 0 34124 2 1 1 1 0 8 0 knotepl 120 68481 0 68399 27 22 5 11 0 8 2 kqueuepl 184 2104 0 2093 11 10 1 4 0 8 0 pipepl 304 4816 0 4784 39 29 10 10 0 8 7 fdescpl 432 3838 0 3810 4 0 4 4 0 8 0 filepl 120 30559 0 30246 56 40 16 16 0 8 6 lockfpl 104 714 0 711 2 1 1 2 0 8 0 lockfspl 48 206 0 203 1 0 1 1 0 8 0 sessionpl 144 34 0 18 1 0 1 1 0 8 0 pgrppl 48 72 0 56 1 0 1 1 0 8 0 ucredpl 96 2235 0 2223 1 0 1 1 0 8 0 zombiepl 144 3810 0 3809 1 0 1 1 0 8 0 processpl 1000 3876 0 3809 10 1 9 9 0 8 0 procpl 672 8946 0 8862 12 4 8 8 0 8 0 sosppl 168 6 0 6 1 1 0 1 0 8 0 sockpl 448 3704 0 3677 103 92 11 22 0 8 8 mcl64k 65536 140 0 140 8 7 1 1 0 8 1 mcl16k 16384 56 0 56 10 9 1 1 0 8 1 mcl12k 12288 118 0 118 10 9 1 1 0 8 1 mcl9k 9216 53 0 53 11 10 1 1 0 8 1 mcl8k 8192 152 0 152 6 5 1 1 0 8 1 mcl4k 4096 323 0 323 4 3 1 1 0 8 1 mcl2k2 2112 16 0 16 6 6 0 1 0 8 0 mcl2k 2048 75273 0 75224 19 11 8 10 0 8 1 mtagpl 96 526 0 349 10 2 8 8 0 8 1 mbufpl 256 142030 0 141642 59 22 37 37 0 8 0 bufpl 288 8999 0 2595 458 0 458 458 0 8 0 anonpl 24 697858 0 681342 181 78 103 125 0 188 0 amapchunkpl 152 286626 0 285988 2332 2207 125 2220 0 158 99 amappl16 200 10121 0 9569 65 35 30 42 0 8 0 amappl15 192 1081 0 1078 1 0 1 1 0 8 0 amappl14 184 692 0 684 1 0 1 1 0 8 0 amappl13 176 685 0 683 1 0 1 1 0 8 0 amappl12 168 14 0 9 1 0 1 1 0 8 0 amappl11 160 612 0 595 1 0 1 1 0 8 0 amappl10 152 137 0 130 1 0 1 1 0 8 0 amappl9 144 891 0 884 1 0 1 1 0 8 0 amappl8 136 1227 0 1161 3 0 3 3 0 8 0 amappl7 128 616 0 603 1 0 1 1 0 8 0 amappl6 120 647 0 627 2 1 1 2 0 8 0 amappl5 112 2784 0 2769 1 0 1 1 0 8 0 amappl4 104 2182 0 2152 2 1 1 2 0 8 0 amappl3 96 10360 0 10310 2 0 2 2 0 8 0 amappl2 88 4781 0 4716 3 1 2 3 0 8 0 amappl1 80 90694 0 90036 24 9 15 19 0 8 0 amappl 88 19528 0 19367 4 0 4 4 0 92 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 128 253 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 72 124 0 0 3 0 3 3 0 8 0 uaddrrnd 24 3845 0 3811 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3845 0 3811 1 0 1 1 0 8 0 vmmpekpl 168 46267 0 46219 3 0 3 3 0 8 0 vmmpepl 168 368815 0 366222 200 82 118 150 0 357 1 vmsppl 272 3844 0 3811 4 1 3 3 0 8 0 rwobjpl 24 93558 0 85949 47 0 47 47 0 8 1 pdppl 4096 7696 0 7628 295 225 70 72 0 8 2 pvpl 32 1437806 0 1416720 323 143 180 238 0 265 6 pmappl 216 3844 0 3811 2 0 2 2 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1287 0 473 24 0 24 24 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pf_anchor_global_RB_INSERT_COLOR(ffffffff82ac33a0,ffff800000c8b000) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff800000c63804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 pf_begin_rules sys/net/pf_ioctl.c:529 [inline] pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 sys/net/pf_ioctl.c:2514 VOP_IOCTL(fffffd806e828858,c0104451,ffff8000216cb9e0,3,fffffd807f7d77e0,ffff800024b07270) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80692f4180,c0104451,ffff8000216cb9e0,ffff800024b07270) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:528 sys_ioctl(ffff800024b07270,ffff8000216cbaf8,ffff8000216cbb50) at sys_ioctl+0x49e syscall(ffff8000216cbbc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x100062e68ee0, count: -9 ddb> machine ddbcpu 1 No such command ddb> trace pf_anchor_global_RB_INSERT_COLOR(ffffffff82ac33a0,ffff800000c8b000) at pf_anchor_global_RB_INSERT_COLOR+0x70 sys/net/pf_ruleset.c:84 pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de pf_anchor_global_RB_INSERT sys/net/pf_ruleset.c:84 [inline] pf_create_anchor(0,ffff800000c6fc00) at pf_create_anchor+0x2de sys/net/pf_ruleset.c:203 pf_find_or_create_ruleset(ffff800000c63804) at pf_find_or_create_ruleset+0x372 sys/net/pf_ruleset.c:269 pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 pf_begin_rules sys/net/pf_ioctl.c:529 [inline] pfioctl(4900,c0104451,ffff8000216cb9e0,3,ffff800024b07270) at pfioctl+0x4a17 sys/net/pf_ioctl.c:2514 VOP_IOCTL(fffffd806e828858,c0104451,ffff8000216cb9e0,3,fffffd807f7d77e0,ffff800024b07270) at VOP_IOCTL+0x8d sys/kern/vfs_vops.c:264 vn_ioctl(fffffd80692f4180,c0104451,ffff8000216cb9e0,ffff800024b07270) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:528 sys_ioctl(ffff800024b07270,ffff8000216cbaf8,ffff8000216cbb50) at sys_ioctl+0x49e syscall(ffff8000216cbbc0) at syscall+0x44e sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x100062e68ee0, count: -9