panic: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/main/kernel/sys/net/pipex.c", line 501 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(ffffffff83340a86) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8337a593,ffffffff832d2d03,1f5,ffffffff83334581) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000ffffc430) at pipex_unlink_session_locked+0x402 pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:153 pppacclose(637e,41,2000,ffff80002a8222b0) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003ca39b70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b9ee2a8,41,fffffd8007bfb6e8,ffff80002a8222b0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80673e62e8,ffff80002a8222b0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80673e62e8,ffff80002a8222b0) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8222b0) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8222b0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8222b0,ffff80003ca39ed0,ffff80003ca39e20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80003ca39ec0, 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 501 ddb> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff83340a86) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8337a593,ffffffff832d2d03,1f5,ffffffff83334581) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000ffffc430) at pipex_unlink_session_locked+0x402 pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:153 pppacclose(637e,41,2000,ffff80002a8222b0) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003ca39b70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b9ee2a8,41,fffffd8007bfb6e8,ffff80002a8222b0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80673e62e8,ffff80002a8222b0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80673e62e8,ffff80002a8222b0) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8222b0) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8222b0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8222b0,ffff80003ca39ed0,ffff80003ca39e20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003ca39ed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003ca39ed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e323d3b04f0, count: -16 ddb> show registers rdi 0 rsi 0x1 rbp 0xffff80003ca39950 rbx 0x1 rdx 0 rcx 0 rax 0xffff80002a8222b0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x7462e6058791df52 r11 0x93c01ca41d8020c0 r12 0 r13 0xffff8000ffffe9e0 r14 0 r15 0x1 rip 0xffffffff82b675f5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003ca39940 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb> show proc PROC (syz-executor) tid=282396 pid=87923 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a8222b0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002f1362d0,0xffff80003c981798 process=0xffff80002f133240 user=0xffff80003ca34000, vmspace=0xfffffd806ba56b90 estcpu=32, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 31964 50937 74346 0 2 0 syz-executor 59194 246730 99501 0 2 0 syz-executor 59194 77632 99501 0 3 0x4000080 fifor syz-executor 24235 413642 6008 0 2 0xc80 syz-executor 24235 500015 6008 0 3 0x4000080 fsleep syz-executor 24235 68619 6008 0 3 0x4000080 kqread syz-executor 28150 113157 40023 0 2 0 syz-executor 28150 35307 40023 0 2 0x4000000 syz-executor 28150 115977 40023 0 2 0x4000000 syz-executor 79871 191316 89063 0 3 0x3000 suspend syz-executor 79871 271242 89063 0 2 0x4081000 syz-executor 79871 25832 89063 0 3 0x4081000 inode syz-executor 7240 202600 1 0 3 0x100083 ttyin getty 98804 229205 0 0 3 0x14280 nfsidl nfsio 63676 291037 0 0 3 0x14280 nfsidl nfsio 66006 132113 0 0 3 0x14280 nfsidl nfsio 19987 370471 0 0 3 0x14280 nfsidl nfsio 61378 522890 0 0 3 0x14280 nfsidl nfsio 88943 227887 0 0 3 0x14280 nfsidl nfsio 61458 130809 0 0 3 0x14280 nfsidl nfsio 49264 43443 0 0 3 0x14280 nfsidl nfsio 28146 373347 0 0 3 0x14280 nfsidl nfsio 24653 129080 0 0 3 0x14280 nfsidl nfsio 1446 229552 0 0 3 0x14280 nfsidl nfsio 65202 202291 0 0 3 0x14280 nfsidl nfsio 86923 21246 0 0 3 0x14280 nfsidl nfsio 6135 512744 0 0 3 0x14280 nfsidl nfsio 98779 328993 0 0 3 0x14280 nfsidl nfsio 52263 262850 0 0 3 0x14280 nfsidl nfsio 79970 56054 0 0 3 0x14280 nfsidl nfsio 46793 171352 0 0 3 0x14280 nfsidl nfsio 61482 241061 0 0 3 0x14280 nfsidl nfsio 47562 299714 0 0 3 0x14280 nfsidl nfsio 57024 349722 0 0 3 0x14200 bored sosplice 5609 31825 16629 0 3 0x82 wait syz-executor 89063 18289 16629 0 2 0xc82 syz-executor 74346 219505 16629 0 2 0xc82 syz-executor 36676 23740 16629 0 2 0x2 syz-executor 98009 84630 16629 0 2 0xc82 syz-executor 99501 486461 16629 0 2 0xc82 syz-executor 40023 20772 16629 0 2 0xc82 syz-executor 6008 257914 16629 0 2 0xc82 syz-executor 16629 514536 6588 0 3 0x82 kqread syz-executor 6588 184132 43725 0 3 0x10008a sigsusp ksh 43725 346606 83972 0 3 0x98 kqread sshd-session 83972 181203 82540 0 3 0x92 kqread sshd-session 82540 511473 1 0 3 0x88 kqread sshd 29915 141078 21524 73 3 0x1100090 kqread syslogd 21524 242651 1 0 3 0x100082 sbwait syslogd 95098 90446 1 0 3 0x100080 kqread resolvd 59496 96350 95890 77 2 0x100012 dhcpleased 70476 98434 95890 77 3 0x100092 kqread dhcpleased 95890 67977 1 0 3 0x80 kqread dhcpleased 57040 122979 0 0 3 0x14200 bored smr 71797 216048 0 0 2 0x14200 zerothread 51211 45562 0 0 3 0x14200 aiodoned aiodoned 51772 502541 0 0 3 0x14200 syncer update 28455 77554 0 0 3 0x14200 cleaner cleaner 66662 57716 0 0 3 0x14200 reaper reaper 56252 419532 0 0 3 0x14200 pgdaemon pagedaemon 21839 6890 0 0 3 0x14200 bored viomb 91838 130354 0 0 3 0x40014200 acpi0 acpi0 95182 154310 0 0 3 0x14200 bored softnet7 59351 391496 0 0 3 0x14200 bored softnet6 33760 227943 0 0 3 0x14200 bored softnet5 88175 520655 0 0 3 0x14200 bored softnet4 61164 419379 0 0 3 0x14200 bored softnet3 70288 503445 0 0 3 0x14200 bored softnet2 84514 446174 0 0 3 0x14200 bored softnet1 1371 408120 0 0 2 0x14200 softnet0 2997 285026 0 0 3 0x14200 bored systqmp 76107 267640 0 0 3 0x14200 syncxs systq 82256 6424 0 0 2 0x40014200 softclock 11029 449664 0 0 3 0x40014200 idle0 1 508244 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 10195 11056K 11221K 166960K 11836 0 pcb 18 16K 18K 166960K 271 0 rtable 231 9K 9K 166960K 381 0 pf 36 14K 20K 166960K 91 0 ifaddr 45 8K 8K 166960K 67 0 ifgroup 54 2K 2K 166960K 99 0 sysctl 4 1K 9K 166960K 10 0 counters 37 18K 18K 166960K 62 0 ioctlops 0 0K 4K 166960K 123 0 iov 0 0K 18K 166960K 35 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1474 93K 93K 166960K 1857 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 24 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 629 0 sigio 0 0K 0K 166960K 39 0 proc 60 59K 124K 166960K 527 0 subproc 72 4K 4K 166960K 73 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 78 0 in_multi 95 7K 7K 166960K 119 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 578 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 221 159K 175K 166960K 7141 0 UVM aobj 16 2K 2K 166960K 17 0 pinsyscall 38 76K 96K 166960K 1656 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 2 0K 0K 166960K 29 0 NDP 13 0K 1K 166960K 42 0 temp 62 8639K 8758K 166960K 20593 0 kqueue 13 20K 30K 166960K 121 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 vscsiccb 40 1 0 0 1 0 1 1 0 8 0 rtpcb 120 76 0 73 1 0 1 1 0 8 0 rtentry 136 129 0 32 4 0 4 4 0 8 0 unpcb 144 442 0 425 6 0 6 6 0 8 5 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 8 0 8 1 0 1 1 0 8 1 tcpcb 736 317 0 312 13 4 9 13 0 8 8 arp 88 17 0 5 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 3 0 0 1 0 1 1 0 8 0 inpcb 328 937 0 928 13 4 9 13 0 8 8 ip6q 72 3 0 3 1 0 1 1 0 8 1 ip6af 40 7 0 7 1 0 1 1 0 8 1 nd6 104 16 0 1 1 0 1 1 0 8 0 pkpcb 40 70 0 70 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1072 24 0 19 1 0 1 1 0 8 0 pppxif 1384 4 0 4 1 0 1 1 0 8 1 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 128 5 0 3 1 0 1 1 0 8 0 pfstate 384 3 0 2 1 0 1 1 0 8 0 pfrule 1344 2 0 2 1 0 1 1 0 8 1 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 481 0 56 28 0 28 28 0 8 0 art_table 40 484 0 56 5 0 5 5 0 8 0 art_node 32 123 0 37 1 0 1 1 0 8 0 sysvmsgpl 40 15 0 10 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 21 0 11 1 0 1 1 0 8 0 shmpl 112 14 0 1 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2529 0 1027 95 0 95 95 0 8 0 ffsino 256 2529 0 1027 95 0 95 95 0 8 0 nchpl 144 3410 0 1725 63 0 63 63 0 8 0 rtmask 32 4 0 1 1 0 1 1 0 8 0 uvmvnodes 80 2896 0 0 60 0 60 60 0 8 0 vnodes 216 2896 0 0 161 0 161 161 0 8 0 namei 1024 11702 0 11701 2 0 2 2 0 8 1 kstatmem 264 52 0 26 3 0 3 3 0 8 0 scsiplug 72 5 0 5 1 0 1 1 0 8 1 scxspl 216 14363 0 14362 8 0 8 8 1 8 7 plimitpl 152 128 0 111 1 0 1 1 0 8 0 sigapl 424 925 0 855 9 0 9 9 0 8 0 knotepl 120 40854 0 40807 20 10 10 16 0 8 8 kqueuepl 184 265 0 191 4 0 4 4 0 8 0 pipepl 304 173 0 145 5 0 5 5 0 8 2 fdescpl 448 882 0 853 5 0 5 5 0 8 1 filepl 120 5472 0 5185 13 0 13 13 0 8 4 lockfpl 104 319 0 316 2 0 2 2 0 8 1 lockfspl 48 151 0 148 1 0 1 1 0 8 0 sessionpl 144 23 0 15 1 0 1 1 0 8 0 pgrppl 48 40 0 24 1 0 1 1 0 8 0 ucredpl 104 630 0 619 1 0 1 1 0 8 0 zombiepl 144 858 0 855 1 0 1 1 0 8 0 processpl 1168 925 0 855 6 0 6 6 0 8 0 procpl 664 1688 0 1611 8 0 8 8 0 8 0 sosppl 168 1 0 1 1 0 1 1 0 8 1 sockpl 552 1605 0 1576 14 4 10 13 0 8 7 mcl64k 65536 62 0 62 1 0 1 1 0 8 1 mcl16k 16384 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 2 0 2 1 0 1 1 0 8 1 mcl8k 8192 10 0 9 1 0 1 1 0 8 0 mcl4k 4096 3124 0 3073 15 0 15 15 0 8 8 mcl2k 2048 930 0 926 2 0 2 2 0 8 1 mtagpl 96 5 0 4 1 0 1 1 0 8 0 mbufpl 256 8977 0 8807 14 0 14 14 0 8 1 bufpl 280 5416 0 119 379 0 379 379 0 8 0 anonpl 24 154526 0 149657 69 0 69 69 0 187 27 amapchunkpl 152 23286 0 22827 30 0 30 30 0 158 11 amappl16 200 2621 0 2504 20 6 14 20 0 8 7 amappl15 192 6 0 6 1 0 1 1 0 8 1 amappl14 184 106 0 95 1 0 1 1 0 8 0 amappl13 176 12 0 11 1 0 1 1 0 8 0 amappl12 168 1494 0 1466 3 0 3 3 0 8 1 amappl11 160 47 0 37 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 0 1 1 0 8 1 amappl9 144 247 0 247 1 0 1 1 0 8 1 amappl8 136 26 0 24 1 0 1 1 0 8 0 amappl7 128 93 0 83 1 0 1 1 0 8 0 amappl6 120 171 0 167 1 0 1 1 0 8 0 amappl5 112 116 0 108 1 0 1 1 0 8 0 amappl4 104 281 0 263 1 0 1 1 0 8 0 amappl3 96 4404 0 4307 4 0 4 4 0 8 0 amappl2 88 614 0 559 2 0 2 2 0 8 0 amappl1 80 9929 0 9396 13 0 13 13 0 8 1 amappl 88 6416 0 6261 5 0 5 5 0 92 0 dma4096 4096 1 0 1 1 0 1 1 0 8 1 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 7 0 7 1 0 1 1 0 8 1 dma128 128 255 0 255 1 0 1 1 0 8 1 dma64 64 6 0 6 1 0 1 1 0 8 1 dma32 32 7 0 7 1 0 1 1 0 8 1 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 16 0 1 1 0 1 1 0 8 0 uaddrrnd 24 882 0 853 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 882 0 853 1 0 1 1 0 8 0 vmmpekpl 168 8418 0 8388 2 0 2 2 0 8 0 vmmpepl 168 59688 0 57772 98 0 98 98 0 357 10 vmsppl 368 881 0 853 4 0 4 4 0 8 1 rwobjpl 40 20563 0 16740 39 0 39 39 0 8 0 pdppl 4096 1771 0 1706 97 30 67 83 0 8 2 pvpl 32 403845 0 393643 145 0 145 145 0 265 45 pmappl 216 881 0 853 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 390 0 34 11 0 11 11 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(ffffffff83340a86) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8337a593,ffffffff832d2d03,1f5,ffffffff83334581) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000ffffc430) at pipex_unlink_session_locked+0x402 pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:153 pppacclose(637e,41,2000,ffff80002a8222b0) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003ca39b70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b9ee2a8,41,fffffd8007bfb6e8,ffff80002a8222b0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80673e62e8,ffff80002a8222b0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80673e62e8,ffff80002a8222b0) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8222b0) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8222b0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8222b0,ffff80003ca39ed0,ffff80003ca39e20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003ca39ed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003ca39ed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e323d3b04f0, 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(ffffffff83340a86) at panic+0x1cf sys/kern/subr_prf.c:198 __assert(ffffffff8337a593,ffffffff832d2d03,1f5,ffffffff83334581) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000ffffc430) at pipex_unlink_session_locked+0x402 pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001464000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:153 pppacclose(637e,41,2000,ffff80002a8222b0) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003ca39b70) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806b9ee2a8,41,fffffd8007bfb6e8,ffff80002a8222b0) at VOP_CLOSE+0x129 sys/kern/vfs_vops.c:156 vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd80673e62e8,ffff80002a8222b0) at vn_closefile+0x11d sys/kern/vfs_vnops.c:615 fdrop(fffffd80673e62e8,ffff80002a8222b0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd80673e62e8,ffff80002a8222b0) at closef+0x190 sys/kern/kern_descrip.c:1264 fdfree(ffff80002a8222b0) at fdfree+0x115 sys/kern/kern_descrip.c:1195 exit1(ffff80002a8222b0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80002a8222b0,ffff80003ca39ed0,ffff80003ca39e20) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003ca39ed0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003ca39ed0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7e323d3b04f0, count: -16