panic: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/pipex.c", line 459 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8335f0ce) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8339dbec,ffffffff832f6014,1cb,ffffffff83357cc8) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff800033909d58) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637d,1,2000,ffff80002a8b82d8) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c922f70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806c3dc968,1,fffffd8007bfb618,ffff80002a8b82d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80696f91f0,ffff80002a8b82d8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80696f91f0,ffff80002a8b82d8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8b82d8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8b82d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8b82d8,ffff80003c9232d0,ffff80003c923220) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80003c9232c0, 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 *cpu0: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/pipex.c", line 459 ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8335f0ce) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8339dbec,ffffffff832f6014,1cb,ffffffff83357cc8) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff800033909d58) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637d,1,2000,ffff80002a8b82d8) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c922f70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806c3dc968,1,fffffd8007bfb618,ffff80002a8b82d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80696f91f0,ffff80002a8b82d8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80696f91f0,ffff80002a8b82d8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8b82d8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8b82d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8b82d8,ffff80003c9232d0,ffff80003c923220) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c9232d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9232d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77b9df1cd3a0, count: -16 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80003c922d50 rbx 0x1 rdx 0 rcx 0 rax 0xffff80002a8b82d8 r8 0x101010101010101 r9 0x8080808080808080 r10 0x9ace00639f99684b r11 0x72190e1502d23cf6 r12 0 r13 0xffff80003390b678 r14 0 r15 0x1 rip 0xffffffff82e5fd45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c922d40 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor) tid=166281 pid=90650 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a8b82d8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a7cda08,0xffffffff83996fa0 process=0xffff8000ffffba98 user=0xffff80003c91e000, vmspace=0xfffffd800a8fde78 estcpu=34, cpticks=2, pctcpu=0.1, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 2155 499803 80803 0 3 0x80 fsleep syz-executor 2155 30193 80803 0 3 0x4000080 netcon syz-executor 70415 389469 99487 0 2 0x3 syz-executor 9910 511249 0 0 3 0x14280 nfsidl nfsio 22278 191974 0 0 3 0x14280 nfsidl nfsio 28215 189085 0 0 3 0x14280 nfsidl nfsio 31007 490754 0 0 3 0x14280 nfsidl nfsio 36509 108574 0 0 3 0x14280 nfsidl nfsio 96986 301870 0 0 3 0x14280 nfsidl nfsio 72252 88389 0 0 3 0x14280 nfsidl nfsio 79293 243371 0 0 3 0x14280 nfsidl nfsio 46068 355584 0 0 3 0x14280 nfsidl nfsio 17700 489949 0 0 3 0x14280 nfsidl nfsio 16500 448480 0 0 3 0x14280 nfsidl nfsio 82405 429265 0 0 3 0x14280 nfsidl nfsio 89883 13814 0 0 3 0x14280 nfsidl nfsio 38032 521449 0 0 3 0x14280 nfsidl nfsio 21560 46437 0 0 3 0x14280 nfsidl nfsio 96184 157332 0 0 3 0x14280 nfsidl nfsio 71537 344756 0 0 3 0x14280 nfsidl nfsio 5183 473926 0 0 3 0x14280 nfsidl nfsio 34475 146722 0 0 3 0x14280 nfsidl nfsio 22168 497404 0 0 3 0x14280 nfsidl nfsio 13345 276188 99487 0 3 0x82 piperd syz-executor 80803 247280 99487 0 2 0x3 syz-executor 58387 290282 99487 0 3 0x82 piperd syz-executor 79391 313297 99487 0 3 0x82 piperd syz-executor 35795 236429 99487 0 3 0x82 piperd syz-executor 19286 109473 99487 0 3 0x82 piperd syz-executor 99487 161017 44949 0 3 0x82 wait syz-executor 44949 107282 83735 0 3 0x10008a sigsusp ksh 83735 243903 13004 0 3 0x98 kqread sshd-session 13004 492022 45445 0 3 0x92 kqread sshd-session 61009 175922 1 0 3 0x100083 ttyin getty 45445 236886 1 0 3 0x88 kqread sshd 72783 502838 41630 73 3 0x1100090 kqread syslogd 41630 206084 1 0 3 0x100082 sbwait syslogd 66757 251835 1 0 2 0x100001 resolvd 74692 448621 80829 77 2 0x100013 dhcpleased 16749 141871 80829 77 3 0x100092 kqread dhcpleased 80829 102120 1 0 3 0x80 kqread dhcpleased 45665 456472 0 0 3 0x14200 bored smr 36296 70721 0 0 3 0x14200 pgzero zerothread 70114 404113 0 0 3 0x14200 aiodoned aiodoned 42424 149891 0 0 3 0x14200 syncer update 17524 263648 0 0 3 0x14200 cleaner cleaner 8713 266318 0 0 3 0x14200 reaper reaper 95767 5327 0 0 3 0x14200 pgdaemon pagedaemon 97363 339552 0 0 3 0x14200 bored viomb 64089 31057 0 0 3 0x40014200 acpi0 acpi0 68019 282781 0 0 2 0x14200 softnet0 43657 145327 0 0 3 0x14200 smrbar systqmp 66122 191338 0 0 3 0x14200 bored systq 79209 354014 0 0 3 0x40014200 tmoslp softclock 87546 177387 0 0 3 0x40014200 idle0 1 173165 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10170 11119K 11657K 166960K 13628 0 pcb 17 16K 17K 166960K 410 0 rtable 174 9K 10K 166960K 738 0 pf 24 12K 13K 166960K 149 0 ifaddr 31 6K 8K 166960K 141 0 ifgroup 38 1K 2K 166960K 214 0 sysctl 4 1K 9K 166960K 13 0 counters 31 17K 18K 166960K 124 0 ioctlops 0 0K 4K 166960K 359 0 iov 0 0K 24K 166960K 59 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 5 0 vnodes 1425 89K 90K 166960K 2610 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 22 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 32 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 12 41K 240K 166960K 1371 0 sigio 0 0K 0K 166960K 47 0 proc 60 59K 116K 166960K 836 0 subproc 72 4K 4K 166960K 144 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 400 0 in_multi 62 4K 7K 166960K 231 0 ether_multi 1 0K 0K 166960K 14 0 mrt 0 0K 0K 166960K 15 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 804 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 183 150K 176K 166960K 13522 0 UVM aobj 131 77K 77K 166960K 133 0 pinsyscall 33 66K 96K 166960K 2671 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 78 0 NDP 10 0K 2K 166960K 97 0 temp 78 8652K 8720K 166960K 22878 0 kqueue 13 20K 28K 166960K 226 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 206 0 203 3 0 3 3 0 8 2 rtentry 136 228 0 164 4 0 4 4 0 8 0 unpcb 144 1191 0 1174 9 5 4 6 0 8 3 syncache 336 16 0 16 2 1 1 1 0 8 1 tcpqe 32 7 0 7 2 1 1 1 0 8 1 tcpcb 736 591 0 580 13 6 7 7 0 8 5 arp 96 36 0 25 1 0 1 1 0 8 0 ipq 40 7 0 6 1 0 1 1 0 8 0 ipqe 40 9 0 8 1 0 1 1 0 8 0 inpcb 328 1963 0 1949 19 9 10 10 0 8 8 ip6q 72 8 0 2 1 0 1 1 0 8 0 ip6af 40 10 0 5 1 0 1 1 0 8 0 nd6 112 53 0 37 1 0 1 1 0 8 0 pkpcb 40 42 0 42 2 1 1 1 0 8 1 kcovpl 48 16 0 8 1 0 1 1 0 8 0 mppekey 1024 3 0 3 1 0 1 1 0 8 1 ppxss 1072 69 0 67 2 1 1 1 0 8 0 pppxif 1384 8 0 8 2 1 1 1 0 8 1 pfrule 1344 1 0 1 1 1 0 1 0 8 0 rttmr 136 4 0 4 2 1 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 1062 0 724 31 3 28 31 0 8 6 art_table 40 1065 0 724 5 0 5 5 0 8 0 art_node 32 226 0 160 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 2 1 1 1 0 8 1 semapl 112 29 0 19 1 0 1 1 0 8 0 shmpl 112 92 0 1 3 0 3 3 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 3811 0 2299 95 0 95 95 0 8 0 ffsino 256 3811 0 2299 95 0 95 95 0 8 0 nchpl 144 5542 0 3828 65 0 65 65 0 8 0 rtmask 32 20 0 19 2 1 1 1 0 8 0 vnodes 216 4568 0 0 254 0 254 254 0 8 0 namei 1024 20814 0 20814 3 2 1 2 0 8 1 vcpupl 3904 38 0 1 5 0 5 5 0 8 0 vmpool 800 38 0 1 4 0 4 4 0 8 0 kstatmem 264 130 0 114 2 0 2 2 0 8 0 scsiplug 72 3 0 3 2 1 1 1 0 8 1 scxspl 216 16833 0 16833 9 7 2 8 1 8 2 plimitpl 152 316 0 300 1 0 1 1 0 8 0 sigapl 424 1647 0 1590 8 0 8 8 0 8 0 knotepl 120 74424 0 74377 38 28 10 17 0 8 8 kqueuepl 184 515 0 506 3 2 1 3 0 8 0 pipepl 304 368 0 341 8 5 3 8 0 8 0 fdescpl 448 1612 0 1588 5 1 4 5 0 8 0 filepl 120 11556 0 11349 20 6 14 14 0 8 5 lockfpl 104 710 0 708 2 0 2 2 0 8 1 lockfspl 48 280 0 278 1 0 1 1 0 8 0 sessionpl 144 39 0 31 1 0 1 1 0 8 0 pgrppl 48 294 0 278 1 0 1 1 0 8 0 ucredpl 104 1778 0 1767 1 0 1 1 0 8 0 zombiepl 144 1973 0 1971 2 1 1 1 0 8 0 processpl 1152 1647 0 1590 5 0 5 5 0 8 0 procpl 664 3439 0 3381 9 1 8 8 0 8 1 sosppl 176 9 0 8 1 0 1 1 0 8 0 sockpl 552 3436 0 3402 30 19 11 19 0 8 8 mcl64k 65536 107 0 107 1 0 1 1 0 8 1 mcl16k 16384 66 0 66 1 1 0 1 0 8 0 mcl12k 12288 2 0 2 2 1 1 1 0 8 1 mcl9k 9216 3 0 3 2 1 1 1 0 8 1 mcl8k 8192 47 0 47 2 1 1 1 0 8 1 mcl4k 4096 3942 0 3888 15 7 8 14 0 8 1 mcl2k 2048 2439 0 2429 4 1 3 3 0 8 1 mtagpl 96 19 0 10 1 0 1 1 0 8 0 mbufpl 256 20224 0 20092 76 62 14 74 0 8 1 bufpl 280 6076 0 139 425 0 425 425 0 8 0 anonpl 24 250894 0 248124 65 19 46 46 0 187 17 amapchunkpl 152 46778 0 46461 49 14 35 35 0 158 16 amappl16 200 4997 0 4969 41 29 12 16 0 8 8 amappl15 192 21 0 20 1 0 1 1 0 8 0 amappl14 184 3 0 3 1 1 0 1 0 8 0 amappl13 176 500 0 499 1 0 1 1 0 8 0 amappl12 168 2029 0 1996 2 0 2 2 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 44 0 34 1 0 1 1 0 8 0 amappl9 144 273 0 273 1 1 0 1 0 8 0 amappl8 136 23 0 22 1 0 1 1 0 8 0 amappl7 128 113 0 111 1 0 1 1 0 8 0 amappl6 120 365 0 353 1 0 1 1 0 8 0 amappl5 112 77 0 69 1 0 1 1 0 8 0 amappl4 104 470 0 444 1 0 1 1 0 8 0 amappl3 96 7821 0 7761 3 0 3 3 0 8 0 amappl2 88 1772 0 1706 2 0 2 2 0 8 0 amappl1 80 16964 0 16445 14 1 13 14 0 8 0 amappl 88 12428 0 12314 5 0 5 5 0 92 0 uvmvnodes 80 140 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 2 0 2 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 132 0 2 3 0 3 3 0 8 0 uaddrrnd 24 1612 0 1588 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1612 0 1588 1 0 1 1 0 8 0 vmmpekpl 168 15073 0 15029 3 0 3 3 0 8 0 vmmpepl 168 111304 0 109788 101 8 93 93 0 357 11 vmsppl 368 1611 0 1588 4 1 3 4 0 8 0 rwobjpl 40 31830 0 30772 14 0 14 14 0 8 0 pdppl 4096 3307 0 3215 150 46 104 106 0 8 12 pvpl 32 714051 0 706711 149 28 121 121 0 265 31 pmappl 216 1649 0 1589 4 0 4 4 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 508 0 135 13 1 12 13 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8335f0ce) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8339dbec,ffffffff832f6014,1cb,ffffffff83357cc8) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff800033909d58) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637d,1,2000,ffff80002a8b82d8) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c922f70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806c3dc968,1,fffffd8007bfb618,ffff80002a8b82d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80696f91f0,ffff80002a8b82d8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80696f91f0,ffff80002a8b82d8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8b82d8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8b82d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8b82d8,ffff80003c9232d0,ffff80003c923220) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c9232d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9232d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77b9df1cd3a0, count: -16 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8335f0ce) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8339dbec,ffffffff832f6014,1cb,ffffffff83357cc8) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff800033909d58) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001493000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637d,1,2000,ffff80002a8b82d8) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c922f70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806c3dc968,1,fffffd8007bfb618,ffff80002a8b82d8) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80696f91f0,ffff80002a8b82d8) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80696f91f0,ffff80002a8b82d8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80696f91f0,ffff80002a8b82d8) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8b82d8) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8b82d8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8b82d8,ffff80003c9232d0,ffff80003c923220) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c9232d0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9232d0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77b9df1cd3a0, count: -16