panic: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/multicore/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(ffffffff833a4d82) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8931,ffffffff833fdf1b,1cb,ffffffff8339bd3b) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80003c45c4b0) at pipex_unlink_session_locked+0x409 pipex_destroy_all_sessions(ffff80000152b000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff80000152b000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,41,2000,ffff800031897cc0) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80002a30a310) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8071449948,41,fffffd80097fd478,ffff800031897cc0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b5ed868,ffff800031897cc0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b5ed868,ffff800031897cc0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b5ed868,ffff800031897cc0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b5ed868,ffff800031897cc0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800031897cc0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800031897cc0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800031897cc0,ffff80002a30a680,ffff80002a30a5d0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80002a30a670, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/pipex.c", line 459 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a4d82) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8931,ffffffff833fdf1b,1cb,ffffffff8339bd3b) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80003c45c4b0) at pipex_unlink_session_locked+0x409 pipex_destroy_all_sessions(ffff80000152b000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff80000152b000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,41,2000,ffff800031897cc0) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80002a30a310) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8071449948,41,fffffd80097fd478,ffff800031897cc0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b5ed868,ffff800031897cc0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b5ed868,ffff800031897cc0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b5ed868,ffff800031897cc0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b5ed868,ffff800031897cc0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800031897cc0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800031897cc0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800031897cc0,ffff80002a30a680,ffff80002a30a5d0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a30a680) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a30a680) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a2559f28790, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a30a0e0 rbx 0xffffffff8384de07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff800031897cc0 rax 0xffffffff8384cff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe355e78c7e235782 r11 0x8c52254ee7ef70bd r12 0xffffffff8384dc08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff8131a855 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a30a0d0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=200290 pid=34664 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff800031897cc0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff800031897a28,0xffff800031896fd8 process=0xffff80003185e6a8 user=0xffff80002a305000, vmspace=0xfffffd806cb033e8 estcpu=34, cpticks=3, pctcpu=0.1, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 52437 379259 89213 0 2 0 syz-executor 52437 145935 89213 0 3 0x4000080 sbwait syz-executor 72869 524187 13233 0 2 0 syz-executor 72869 181353 13233 0 3 0x4000080 ttyin syz-executor 59605 128788 63185 0 2 0 syz-executor 59605 186472 63185 0 2 0x4000000 syz-executor 44073 238914 27304 0 3 0x11 inode syz-executor 44073 460436 27304 0 2 0x4000010 syz-executor 71667 456762 1 0 3 0x100083 ttyin getty 66591 444862 50102 0 3 0x82 sbwait sshd-session 63653 115892 21772 0 2 0xc82 syz-executor 27304 250129 21772 0 2 0xc82 syz-executor 19348 288162 21772 0 2 0xc82 syz-executor 86290 512572 0 0 3 0x14280 nfsidl nfsio 31351 245149 0 0 3 0x14280 nfsidl nfsio 84028 196112 0 0 3 0x14280 nfsidl nfsio 55007 127628 0 0 3 0x14280 nfsidl nfsio 48158 384970 0 0 3 0x14280 nfsidl nfsio 84889 510443 0 0 3 0x14280 nfsidl nfsio 69289 279452 0 0 3 0x14280 nfsidl nfsio 20159 15387 0 0 3 0x14280 nfsidl nfsio 45701 156701 0 0 3 0x14280 nfsidl nfsio 35649 151017 0 0 3 0x14280 nfsidl nfsio 70212 233031 0 0 3 0x14280 nfsidl nfsio 28979 370855 0 0 3 0x14280 nfsidl nfsio 18411 278434 0 0 3 0x14280 nfsidl nfsio 654 466605 0 0 3 0x14280 nfsidl nfsio 2754 344073 0 0 3 0x14280 nfsidl nfsio 89884 120749 0 0 3 0x14280 nfsidl nfsio 38784 46150 0 0 3 0x14280 nfsidl nfsio 41428 72883 0 0 3 0x14280 nfsidl nfsio 14037 157598 0 0 3 0x14280 nfsidl nfsio 51591 122978 0 0 3 0x14280 nfsidl nfsio 10546 208728 21772 0 2 0xc82 syz-executor 13233 289558 21772 0 2 0xc82 syz-executor 89213 510437 21772 0 2 0xc82 syz-executor 38698 438058 21772 0 2 0x2 syz-executor 63185 229333 21772 0 2 0xc82 syz-executor 21772 405287 2793 0 3 0x82 kqread syz-executor 2793 393290 70187 0 3 0x10008a sigsusp ksh 70187 114439 10524 0 3 0x98 kqread sshd-session 10524 321796 50102 0 3 0x92 kqread sshd-session 50102 117278 1 0 3 0x88 kqread sshd 73462 520067 58295 74 3 0x1100092 bpf pflogd 58295 346295 1 0 3 0x80 sbwait pflogd 86882 12032 59993 73 3 0x1100090 kqread syslogd 59993 333197 1 0 3 0x100082 sbwait syslogd 46855 500715 1 0 3 0x100080 kqread resolvd 45928 49510 45955 77 2 0x100012 dhcpleased 64846 496428 45955 77 3 0x100092 kqread dhcpleased 45955 508962 1 0 3 0x80 kqread dhcpleased 12036 174727 0 0 3 0x14200 bored smr 21063 102037 0 0 2 0x14200 zerothread 66851 196926 0 0 3 0x14200 aiodoned aiodoned 9859 385164 0 0 3 0x14200 syncer update 17426 16975 0 0 3 0x14200 cleaner cleaner 3100 379922 0 0 3 0x14200 reaper reaper 73226 397783 0 0 3 0x14200 pgdaemon pagedaemon 12688 453609 0 0 3 0x14200 bored viomb 9503 521272 0 0 3 0x40014200 acpi0 acpi0 68498 262967 0 0 7 0x40014200 idle1 34751 315597 0 0 3 0x14200 bored softnet1 81649 389355 0 0 2 0x14200 softnet0 26401 29748 0 0 2 0x14200 systqmp 85179 413780 0 0 3 0x14200 bored systq 45832 268463 0 0 2 0x14200 softclockmp 77674 497741 0 0 2 0x40014200 softclock 8066 236709 0 0 3 0x40014200 idle0 1 120597 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex /syzkaller/managers/multicore/kernel/sys/net/pipex.c:78 r = 0 (0xffffffff837cbd40) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 mtx_enter_try+0x1ad sys/kern/kern_lock.c:311 #2 mtx_enter+0x62 sys/kern/kern_lock.c:261 #3 pipex_destroy_all_sessions+0x2f sys/net/pipex.c:144 #4 pppacclose+0x16f sys/net/if_pppx.c:1335 #5 spec_close+0x417 sys/kern/spec_vnops.c:-1 #6 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #7 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #7 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #8 fdrop+0x121 sys/kern/kern_descrip.c:1280 #9 closef+0x192 sys/kern/kern_descrip.c:1264 #10 fdfree+0x116 sys/kern/kern_descrip.c:1195 #11 exit1+0x576 sys/kern/kern_exit.c:215 #12 sys_exit+0x1a sys/kern/kern_exit.c:-1 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #14 Xsyscall+0x128 Process 52437 (syz-executor) thread 0xffff8000ffff34d8 (145935) exclusive rwlock sbufrcv r = 0 (0xffff800010fcb330) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 soreceive+0x27d sys/kern/uipc_socket.c:878 #4 recvit+0x40b sys/kern/uipc_syscalls.c:1078 #5 sys_recvmmsg+0x410 sys/kern/uipc_syscalls.c:969 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #7 Xsyscall+0x128 Process 44073 (syz-executor) thread 0xffff800031896800 (460436) exclusive rrwlock inode r = 0 (0xfffffd806d543b40) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vn_write+0x18f sys/kern/vfs_vnops.c:405 #6 dofilewritev+0x242 sys/kern/sys_generic.c:380 #7 sys_write+0xa2 sys/kern/sys_generic.c:300 #8 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 38698 (syz-executor) thread 0xffff8000ffffd9f8 (438058) exclusive rrwlock inode r = 0 (0xfffffd8060387588) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 ufs_ihashins+0x4f ufs_ihash sys/ufs/ufs/ufs_ihash.c:-1 [inline] #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1232 #6 ffs_inode_alloc+0x279 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfc sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 #10 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806cdc1448) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 #3 VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 #6 namei+0x7ca sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3098 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 81649 (softnet0) thread 0xffff8000ffffe298 (389355) shared rwlock softnet0 r = 0 (0xffff80000002c078) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10236 11044K 15145K 166960K 14677 0 pcb 18 16K 23K 166960K 530 0 rtable 219 12K 12K 166960K 692 0 pf 39 18K 23K 166960K 223 0 ifaddr 37 6K 8K 166960K 153 0 ifgroup 56 2K 2K 166960K 270 0 sysctl 3 1K 9K 166960K 23 0 counters 74 37K 38K 166960K 292 0 ioctlops 0 0K 4K 166960K 1824 0 iov 1 4K 32K 166960K 129 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1584 100K 100K 166960K 3302 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 33 0 VM map 2 1K 1K 166960K 2 0 sem 22 137K 137K 166960K 37 0 dirhash 12 2K 2K 166960K 27 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 1718 0 sigio 0 0K 0K 166960K 94 0 proc 75 131K 180K 166960K 878 0 subproc 72 4K 4K 166960K 117 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 237 0 in_multi 77 5K 7K 166960K 210 0 ether_multi 1 0K 0K 166960K 13 0 mrt 0 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 722 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 5 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 252 169K 197K 166960K 17255 0 UVM aobj 135 12K 12K 166960K 140 0 pinsyscall 44 88K 104K 166960K 3000 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 103 0 NDP 12 0K 2K 166960K 108 0 temp 81 8680K 8792K 166960K 75808 0 kqueue 13 20K 30K 166960K 310 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 230 0 225 3 2 1 3 0 8 0 rtentry 176 213 0 128 6 0 6 6 0 8 0 unpcb 144 1311 0 1288 11 7 4 6 0 8 3 syncache 336 12 0 12 6 5 1 1 0 8 1 tcpcb 736 553 0 547 8 6 2 7 0 8 1 arp 136 33 0 19 1 0 1 1 0 8 0 inpcb 328 2145 0 2132 20 13 7 10 0 8 5 nd6 152 43 0 24 2 0 2 2 0 8 0 pkpcb 40 14 0 14 3 3 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1192 85 0 81 2 1 1 1 0 8 0 pppxif 1504 14 0 14 4 3 1 1 0 8 1 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pffrag 232 15 0 4 1 0 1 1 0 482 0 pffrnode 88 11 0 2 1 0 1 1 0 8 0 pffrent 40 24 0 12 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 1 0 0 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 95 0 30 1 0 1 1 0 8 0 pfstkey 128 99 0 34 3 0 3 3 0 8 0 pfstate 448 96 0 32 8 0 8 8 0 8 0 pfrule 1344 24 0 17 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 833 0 466 35 7 28 30 0 8 3 art_table 40 836 0 466 5 0 5 5 0 8 0 art_node 32 211 0 134 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 35 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 30 0 10 1 0 1 1 0 8 0 shmpl 112 132 0 4 4 0 4 4 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 4654 0 3138 96 0 96 96 0 8 0 ffsino 296 4654 0 3138 118 0 118 118 0 8 0 nchpl 144 7184 0 6550 65 41 24 64 0 8 0 rtmask 32 21 0 19 4 3 1 1 0 8 0 vnodes 216 5915 0 0 329 0 329 329 0 8 0 namei 1024 26477 0 26476 2 1 1 1 0 8 0 percpumem 16 161 0 109 1 0 1 1 0 8 0 vcpupl 3968 5 0 1 1 0 1 1 0 8 0 vmpool 840 5 0 1 1 0 1 1 0 8 0 kstatmem 264 166 0 140 5 2 3 3 0 8 0 scsiplug 72 9 0 9 4 3 1 1 0 8 1 scxspl 216 34832 0 34832 11 9 2 8 1 8 2 plimitpl 152 650 0 631 1 0 1 1 0 8 0 sigapl 424 2031 0 1963 9 1 8 8 0 8 0 knotepl 120 826 0 0 24 0 24 24 0 8 0 kqueuepl 224 738 0 729 8 6 2 3 0 8 1 pipepl 344 392 0 365 9 6 3 9 0 8 0 fdescpl 528 1990 0 1958 3 0 3 3 0 8 0 filepl 160 14616 0 14381 24 11 13 18 0 8 0 lockfpl 104 923 0 920 3 2 1 2 0 8 0 lockfspl 48 428 0 425 1 0 1 1 0 8 0 sessionpl 144 37 0 27 1 0 1 1 0 8 0 pgrppl 48 74 0 56 1 0 1 1 0 8 0 ucredpl 104 2349 0 2335 1 0 1 1 0 8 0 zombiepl 144 1966 0 1963 2 1 1 1 0 8 0 processpl 1232 2031 0 1963 6 0 6 6 0 8 0 procpl 664 4468 0 4396 8 0 8 8 0 8 0 sosppl 176 18 0 18 4 3 1 1 0 8 1 sockpl 752 3781 0 3740 33 23 10 17 0 8 5 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 34 0 0 5 1 4 5 0 8 0 mtagpl 96 96 0 0 3 0 3 3 0 8 0 mbufpl 256 1276 0 0 80 0 80 80 0 8 0 bufpl 280 12727 0 6590 439 0 439 439 0 8 0 anonpl 32 9907 0 0 80 0 80 80 0 246 0 amapchunkpl 152 59102 0 58547 48 18 30 37 0 158 6 amappl16 200 5730 0 5545 45 27 18 20 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 2 0 2 1 1 0 1 0 8 0 amappl13 176 507 0 506 1 0 1 1 0 8 0 amappl12 168 2409 0 2365 3 0 3 3 0 8 0 amappl11 160 6 0 6 3 2 1 1 0 8 1 amappl10 152 63 0 49 1 0 1 1 0 8 0 amappl9 144 265 0 264 2 1 1 1 0 8 0 amappl8 136 27 0 24 1 0 1 1 0 8 0 amappl7 128 104 0 103 1 0 1 1 0 8 0 amappl6 120 346 0 331 1 0 1 1 0 8 0 amappl5 112 91 0 80 1 0 1 1 0 8 0 amappl4 104 494 0 462 1 0 1 1 0 8 0 amappl3 96 10057 0 9965 4 1 3 3 0 8 0 amappl2 88 2156 0 2070 3 0 3 3 0 8 1 amappl1 80 18135 0 17458 16 0 16 16 0 8 0 amappl 88 16114 0 15946 5 0 5 5 0 92 0 uvmvnodes 80 162 0 0 4 0 4 4 0 8 0 dma65536 65536 2 0 2 2 2 0 1 0 8 0 dma32768 32768 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 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 128 256 0 256 3 3 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 72 139 0 5 3 0 3 3 0 8 0 uaddrrnd 24 1990 0 1958 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1990 0 1958 1 0 1 1 0 8 0 vmmpekpl 168 17775 0 17725 3 0 3 3 0 8 0 vmmpepl 168 131597 0 129384 122 14 108 108 0 357 6 vmsppl 488 1989 0 1958 5 0 5 5 0 8 0 rwobjpl 80 35762 0 34285 38 3 35 35 0 8 2 pdppl 4096 3997 0 3922 119 41 78 83 0 8 3 pvpl 32 17941 0 0 145 0 145 145 0 265 0 pmappl 256 1994 0 1959 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 393 0 65 10 0 10 10 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833a4d82) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8931,ffffffff833fdf1b,1cb,ffffffff8339bd3b) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80003c45c4b0) at pipex_unlink_session_locked+0x409 pipex_destroy_all_sessions(ffff80000152b000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff80000152b000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,41,2000,ffff800031897cc0) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80002a30a310) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd8071449948,41,fffffd80097fd478,ffff800031897cc0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b5ed868,ffff800031897cc0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b5ed868,ffff800031897cc0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b5ed868,ffff800031897cc0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b5ed868,ffff800031897cc0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff800031897cc0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff800031897cc0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff800031897cc0,ffff80002a30a680,ffff80002a30a5d0) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80002a30a680) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a30a680) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7a2559f28790, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299edff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 acpicpu_idle() at acpicpu_idle+0x457 sys/dev/acpi/acpicpu_x86.c:1224 sched_idle(ffff8000299edff0) at sched_idle+0x391 sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5