login: panic: pool_do_get: mbufpl free list modified: page 0xfffffd805aff0000; item addr 0xfffffd805aff0900; offset 0x0=0x0 != 0x1fc98bc6971ba492 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822500f3) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff825bbd50,2,ffff80001d80a158) at pool_do_get+0x42a sys/kern/subr_pool.c:738 pool_get(ffffffff825bbd50,2) at pool_get+0xb5 sys/kern/subr_pool.c:581 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd80672dd320,fffffd80672dd3a8,ffffffff822d7fc8,fffffd805aff0000,0) at sbappendaddr+0x2a0 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd80672dd320,fffffd805aff0000,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd805aff0000,0,2) at route_input+0x44b sys/net/rtsock.c:572 rtm_send(fffffd805e5dd070,2,0,0) at rtm_send+0x18d sys/net/rtsock.c:1659 rt_ifa_del(ffff8000009cd300,800100,ffff8000009cd358,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff8000009f7800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff8000009f7800) at if_detach+0x140 sys/net/if.c:1149 tun_clone_destroy(ffff8000009f7800) at tun_clone_destroy+0x1d8 sys/net/if_tun.c:329 end trace frame: 0xffff80001d80a7f0, count: 0 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 pool_do_get: mbufpl free list modified: page 0xfffffd805aff0000; item addr 0xfffffd805aff0900; offset 0x0=0x0 != 0x1fc98bc6971ba492 ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822500f3) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff825bbd50,2,ffff80001d80a158) at pool_do_get+0x42a sys/kern/subr_pool.c:738 pool_get(ffffffff825bbd50,2) at pool_get+0xb5 sys/kern/subr_pool.c:581 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd80672dd320,fffffd80672dd3a8,ffffffff822d7fc8,fffffd805aff0000,0) at sbappendaddr+0x2a0 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd80672dd320,fffffd805aff0000,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd805aff0000,0,2) at route_input+0x44b sys/net/rtsock.c:572 rtm_send(fffffd805e5dd070,2,0,0) at rtm_send+0x18d sys/net/rtsock.c:1659 rt_ifa_del(ffff8000009cd300,800100,ffff8000009cd358,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff8000009f7800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff8000009f7800) at if_detach+0x140 sys/net/if.c:1149 tun_clone_destroy(ffff8000009f7800) at tun_clone_destroy+0x1d8 sys/net/if_tun.c:329 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:480 spec_close(ffff80001d80a870) at spec_close+0x311 sys/kern/spec_vnops.c:555 VOP_CLOSE(fffffd806788c750,7,fffffd806c3bfb40,ffff80001d739758) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd80673f4000,ffff80001d739758) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd80673f4000,ffff80001d739758) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd80673f4000,ffff80001d739758) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80673f4000,ffff80001d739758) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d739758) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d739758,0,9,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff80001d739758,9) at postsig+0x4b2 sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff80001d739758,9) at postsig+0x4b2 sys/kern/kern_sig.c:1415 userret(ffff80001d739758) at userret+0x159 sys/kern/kern_sig.c:1867 syscall(ffff80001d80acf0) at syscall+0x42e mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80001d80acf0) at syscall+0x42e sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeff50, count: -26 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80001d809fc0 rbx 0xffff80001d80a070 rdx 0x2 rcx 0x1 rax 0x1 r8 0xffff80001d809f80 r9 0x1 r10 0x40f57735f1aa2e0d r11 0xcb80b2e60a320414 r12 0x3000000008 r13 0xffff80001d809fd0 r14 0x100 r15 0x1 rip 0xffffffff81902518 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d809fb0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.0) pid=269916 stat=onproc flags process=a proc=2000 pri=32, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d73a118,0xffffffff825bf9c0 process=0xffff8000ffffb208 user=0xffff80001d805000, vmspace=0xfffffd806bc0aaa0 estcpu=0, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 17287 12870 73854 0 3 0x82 thrsleep syz-execprog 17287 264465 73854 0 3 0x4000082 thrsleep syz-execprog 17287 68325 73854 0 3 0x4000082 thrsleep syz-execprog 17287 173106 73854 0 3 0x4000082 thrsleep syz-execprog 17287 511451 73854 0 3 0x4000082 wait syz-execprog 17287 484047 73854 0 3 0x4000082 kqread syz-execprog 17287 361680 73854 0 3 0x4000082 thrsleep syz-execprog 73854 366925 32514 0 3 0x10008a pause ksh 32514 434410 17630 0 3 0x92 select sshd 32772 228130 1 0 3 0x100083 ttyin getty 17630 461145 1 0 3 0x80 select sshd 6738 160148 83632 73 3 0x100090 kqread syslogd 83632 512270 1 0 3 0x100082 netio syslogd 45273 520654 1 77 3 0x100090 poll dhclient 84678 51183 1 0 3 0x80 poll dhclient 61909 28128 0 0 3 0x14200 bored smr 18434 304511 0 0 3 0x14200 pgzero zerothread 85331 317766 0 0 3 0x14200 aiodoned aiodoned 10901 91118 0 0 3 0x14200 syncer update 91028 406595 0 0 3 0x14200 cleaner cleaner 88887 58534 0 0 3 0x14200 reaper reaper 21010 459916 0 0 3 0x14200 pgdaemon pagedaemon 17077 152824 0 0 3 0x14200 bored crynlk 84498 92274 0 0 3 0x14200 bored crypto 15227 212904 0 0 3 0x40014200 acpi0 acpi0 1580 479792 0 0 3 0x14200 bored softnet 34573 484637 0 0 2 0x14200 systqmp 5913 405570 0 0 3 0x14200 bored systq 9894 293549 0 0 3 0x40014200 bored softclock 36543 313844 0 0 3 0x40014200 idle0 1 421785 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 9441 6321K 6321K 78643K 10540 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 153 0 ifaddr 32 8K 9K 78643K 33 0 counters 20 16K 16K 78643K 20 0 ioctlops 0 0K 2K 78643K 14 0 mount 1 1K 1K 78643K 1 0 vnodes 1182 74K 74K 78643K 1187 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 2 4K 12K 78643K 18 0 proc 47 38K 54K 78643K 318 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 171 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 69 11K 12K 78643K 866 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 6 0 temp 23 3029K 3093K 78643K 1623 0 kqueue 3 4K 4K 78643K 3 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 arp 64 4 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 27 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 27 0 21 1 0 1 1 0 8 0 nd6 48 3 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 145 0 0 10 0 10 10 0 8 0 art_table 32 146 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1415 0 22 88 0 88 88 0 8 0 ffsino 240 1415 0 22 82 0 82 82 0 8 0 nchpl 144 1631 0 39 60 0 60 60 0 8 1 uvmvnodes 72 1424 0 0 26 0 26 26 0 8 0 vnodes 208 1424 0 0 75 0 75 75 0 8 0 namei 1024 3915 0 3915 1 0 1 1 0 8 1 scxspl 192 3669 0 3669 1 0 1 1 0 8 1 plimitpl 152 14 0 8 1 0 1 1 0 8 0 sigapl 424 212 0 186 4 0 4 4 0 8 0 knotepl 112 47 0 38 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 16 70 0 64 1 0 1 1 0 8 0 pipepl 120 140 0 129 1 0 1 1 0 8 0 fdescpl 432 198 0 186 2 0 2 2 0 8 0 filepl 120 973 0 922 2 0 2 2 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 57 0 50 1 0 1 1 0 8 0 zombiepl 144 187 0 186 1 0 1 1 0 8 0 processpl 920 212 0 186 4 0 4 4 0 8 0 procpl 624 218 0 186 3 0 3 3 0 8 0 sockpl 400 71 0 55 2 0 2 2 0 8 0 mcl4k 4096 10 0 10 1 0 1 1 0 8 1 mcl2k 2048 5493 0 5462 7 2 5 7 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 9575 0 9509 6 1 5 5 0 8 0 mbufpl: pool(0xffffffff825bbd50:mbufpl): free list modified: page 0xfffffd805aff0000; item ordinal 0; addr 0xfffffd805aff0900 (p 0xfffffd8067c86000); offset 0x0=0x0 mbufpl: pool(0xffffffff825bbd50:mbufpl): page inconsistency: page 0xfffffd805aff0000; item ordinal 1; addr 0x45d6b46b621c3e7c bufpl 280 2892 0 126 198 0 198 198 0 8 0 anonpl 16 22300 0 20806 13 1 12 12 0 107 4 amapchunkpl 152 803 0 744 4 0 4 4 0 158 0 amappl16 192 119 0 92 2 0 2 2 0 8 0 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 27 0 23 1 0 1 1 0 8 0 amappl13 168 18 0 17 1 0 1 1 0 8 0 amappl12 160 18 0 14 1 0 1 1 0 8 0 amappl11 152 47 0 36 1 0 1 1 0 8 0 amappl10 144 10 0 6 1 0 1 1 0 8 0 amappl9 136 207 0 205 1 0 1 1 0 8 0 amappl8 128 239 0 231 1 0 1 1 0 8 0 amappl7 120 103 0 91 1 0 1 1 0 8 0 amappl6 112 21 0 19 1 0 1 1 0 8 0 amappl5 104 162 0 153 1 0 1 1 0 8 0 amappl4 96 425 0 403 1 0 1 1 0 8 0 amappl3 88 106 0 100 1 0 1 1 0 8 0 amappl2 80 814 0 761 2 0 2 2 0 8 0 amappl1 72 13853 0 13457 23 6 17 17 0 8 9 amappl 80 446 0 421 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 198 0 186 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 198 0 186 1 0 1 1 0 8 0 vmmpekpl 168 6135 0 6114 2 0 2 2 0 8 1 vmmpepl 168 29114 0 28275 75 6 69 69 0 357 32 vmsppl 272 197 0 186 1 0 1 1 0 8 0 pdppl 4096 402 0 372 5 0 5 5 0 8 0 pvpl 32 106869 0 103167 102 0 102 102 0 265 70 pmappl 200 197 0 186 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 213 0 5 6 0 6 6 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822500f3) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff825bbd50,2,ffff80001d80a158) at pool_do_get+0x42a sys/kern/subr_pool.c:738 pool_get(ffffffff825bbd50,2) at pool_get+0xb5 sys/kern/subr_pool.c:581 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd80672dd320,fffffd80672dd3a8,ffffffff822d7fc8,fffffd805aff0000,0) at sbappendaddr+0x2a0 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd80672dd320,fffffd805aff0000,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd805aff0000,0,2) at route_input+0x44b sys/net/rtsock.c:572 rtm_send(fffffd805e5dd070,2,0,0) at rtm_send+0x18d sys/net/rtsock.c:1659 rt_ifa_del(ffff8000009cd300,800100,ffff8000009cd358,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff8000009f7800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff8000009f7800) at if_detach+0x140 sys/net/if.c:1149 tun_clone_destroy(ffff8000009f7800) at tun_clone_destroy+0x1d8 sys/net/if_tun.c:329 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:480 spec_close(ffff80001d80a870) at spec_close+0x311 sys/kern/spec_vnops.c:555 VOP_CLOSE(fffffd806788c750,7,fffffd806c3bfb40,ffff80001d739758) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd80673f4000,ffff80001d739758) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd80673f4000,ffff80001d739758) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd80673f4000,ffff80001d739758) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80673f4000,ffff80001d739758) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d739758) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d739758,0,9,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff80001d739758,9) at postsig+0x4b2 sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff80001d739758,9) at postsig+0x4b2 sys/kern/kern_sig.c:1415 userret(ffff80001d739758) at userret+0x159 sys/kern/kern_sig.c:1867 syscall(ffff80001d80acf0) at syscall+0x42e mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80001d80acf0) at syscall+0x42e sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeff50, count: -26 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff822500f3) at panic+0x15c sys/kern/subr_prf.c:207 pool_do_get(ffffffff825bbd50,2,ffff80001d80a158) at pool_do_get+0x42a sys/kern/subr_pool.c:738 pool_get(ffffffff825bbd50,2) at pool_get+0xb5 sys/kern/subr_pool.c:581 m_get(2,3) at m_get+0x4c sys/kern/uipc_mbuf.c:250 sbappendaddr(fffffd80672dd320,fffffd80672dd3a8,ffffffff822d7fc8,fffffd805aff0000,0) at sbappendaddr+0x2a0 sys/kern/uipc_socket2.c:804 rtm_sendup(fffffd80672dd320,fffffd805aff0000,0) at rtm_sendup+0xef sys/net/rtsock.c:594 route_input(fffffd805aff0000,0,2) at route_input+0x44b sys/net/rtsock.c:572 rtm_send(fffffd805e5dd070,2,0,0) at rtm_send+0x18d sys/net/rtsock.c:1659 rt_ifa_del(ffff8000009cd300,800100,ffff8000009cd358,0) at rt_ifa_del+0x3bb sys/net/route.c:1190 in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_remove_prefix sys/netinet/in.c:812 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 in_ifscrub sys/netinet/in.c:636 [inline] in_purgeaddr(ffff8000009cd300) at in_purgeaddr+0xc6 sys/netinet/in.c:752 in_ifdetach(ffff8000009f7800) at in_ifdetach+0x74 sys/netinet/in.c:971 if_detach(ffff8000009f7800) at if_detach+0x140 sys/net/if.c:1149 tun_clone_destroy(ffff8000009f7800) at tun_clone_destroy+0x1d8 sys/net/if_tun.c:329 tun_dev_close(5d00,7) at tun_dev_close+0x160 sys/net/if_tun.c:480 spec_close(ffff80001d80a870) at spec_close+0x311 sys/kern/spec_vnops.c:555 VOP_CLOSE(fffffd806788c750,7,fffffd806c3bfb40,ffff80001d739758) at VOP_CLOSE+0xc0 sys/kern/vfs_vops.c:174 vn_closefile(fffffd80673f4000,ffff80001d739758) at vn_closefile+0xd2 vn_close sys/kern/vfs_vnops.c:298 [inline] vn_closefile(fffffd80673f4000,ffff80001d739758) at vn_closefile+0xd2 sys/kern/vfs_vnops.c:614 fdrop(fffffd80673f4000,ffff80001d739758) at fdrop+0xc2 sys/kern/kern_descrip.c:1276 closef(fffffd80673f4000,ffff80001d739758) at closef+0x117 sys/kern/kern_descrip.c:1260 fdfree(ffff80001d739758) at fdfree+0x100 sys/kern/kern_descrip.c:1192 exit1(ffff80001d739758,0,9,1) at exit1+0x32c sys/kern/kern_exit.c:197 postsig(ffff80001d739758,9) at postsig+0x4b2 sigexit sys/kern/kern_sig.c:1483 [inline] postsig(ffff80001d739758,9) at postsig+0x4b2 sys/kern/kern_sig.c:1415 userret(ffff80001d739758) at userret+0x159 sys/kern/kern_sig.c:1867 syscall(ffff80001d80acf0) at syscall+0x42e mi_syscall_return sys/sys/syscall_mi.h:129 [inline] syscall(ffff80001d80acf0) at syscall+0x42e sys/arch/amd64/amd64/trap.c:592 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffeff50, count: -26 ddb>