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 *202536 11406 0 0 0x4000000 1 syz-executor 521586 13784 0 0x14000 0x200 0 softnet0 db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833aa43c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8e72,ffffffff83400a8f,1cb,ffffffff8339ddfa) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000fffdf7f0) at pipex_unlink_session_locked+0x409 pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff80002a30b268) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c428ae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bcbe888,81,fffffd80097fd000,ffff80002a30b268) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806dc552a0,ffff80002a30b268) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806dc552a0,ffff80002a30b268) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80003c428d40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c428d40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a984f90c40, count: 2 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "rn != NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/net/pipex.c", line 459 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833aa43c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8e72,ffffffff83400a8f,1cb,ffffffff8339ddfa) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000fffdf7f0) at pipex_unlink_session_locked+0x409 pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff80002a30b268) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c428ae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bcbe888,81,fffffd80097fd000,ffff80002a30b268) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806dc552a0,ffff80002a30b268) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806dc552a0,ffff80002a30b268) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80003c428d40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c428d40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a984f90c40, count: -13 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4288b0 rbx 0xffff8000299dee07 rdx 0xffff800001460a00 rcx 0xffff80002a30b268 rax 0xffff8000299ddff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x903e855d5d2e3fc5 r11 0xf3490ee9092f17c7 r12 0xffff8000299dec08 r13 0 r14 0 r15 0x1 rip 0xffffffff83306035 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4288a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=202536 pid=11406 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a30aaa0,0xffff80002a2602c0 process=0xffff8000fffdb048 user=0xffff80003c423000, vmspace=0xfffffd806c4ec3f0 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 90121 16232 16832 0 2 0 syz-executor 21657 244762 4385 0 2 0 syz-executor 21657 220787 4385 0 2 0x4000000 syz-executor 85600 163735 55326 0 2 0 syz-executor 85600 9690 55326 0 3 0x4000080 fsleep syz-executor 85600 452181 55326 0 3 0x4000080 fsleep syz-executor 85600 403738 55326 0 3 0x4000080 fsleep syz-executor 11406 395493 51466 0 3 0x80 nanoslp syz-executor *11406 202536 51466 0 7 0x4000000 syz-executor 11406 388943 51466 0 3 0x4000080 fsleep syz-executor 96924 520677 41911 0 3 0x3000 suspend syz-executor 96924 289211 41911 0 3 0x4081000 biowait syz-executor 96924 360053 41911 0 3 0x4081000 inode syz-executor 96924 260959 41911 0 3 0x4081000 inode syz-executor 93427 203678 3728 0 3 0x80 nanoslp syz-executor 93427 122105 3728 0 3 0x4000080 sbwait syz-executor 93427 99378 3728 0 3 0x4000080 fsleep syz-executor 27265 275081 0 0 3 0x14200 acct acct 16832 490020 18865 0 3 0x82 nanoslp syz-executor 16767 512557 18865 0 3 0x2 biowait syz-executor 4385 169055 18865 0 3 0x82 nanoslp syz-executor 3728 61355 18865 0 3 0x82 nanoslp syz-executor 2681 390226 0 0 3 0x14280 nfsidl nfsio 43331 205002 0 0 3 0x14280 nfsidl nfsio 50489 443301 0 0 3 0x14280 nfsidl nfsio 31359 12831 0 0 3 0x14280 nfsidl nfsio 59233 93354 0 0 3 0x14280 nfsidl nfsio 33910 191591 0 0 3 0x14280 nfsidl nfsio 14051 473320 0 0 3 0x14280 nfsidl nfsio 55062 347189 0 0 3 0x14280 nfsidl nfsio 96960 21301 0 0 3 0x14280 nfsidl nfsio 62201 232970 0 0 3 0x14280 nfsidl nfsio 74102 413466 0 0 3 0x14280 nfsidl nfsio 80726 117523 0 0 3 0x14280 nfsidl nfsio 45001 1779 0 0 3 0x14280 nfsidl nfsio 93697 88453 0 0 3 0x14280 nfsidl nfsio 94945 299951 0 0 3 0x14280 nfsidl nfsio 77875 373899 0 0 3 0x14280 nfsidl nfsio 23722 309673 0 0 3 0x14280 nfsidl nfsio 32997 79041 0 0 3 0x14280 nfsidl nfsio 69593 178601 0 0 3 0x14280 nfsidl nfsio 25261 109857 0 0 3 0x14280 nfsidl nfsio 55326 173827 18865 0 3 0x82 nanoslp syz-executor 41911 47708 18865 0 2 0x2 syz-executor 24767 369292 18865 0 3 0x82 wait syz-executor 51466 112090 18865 0 3 0x82 nanoslp syz-executor 18865 29430 53436 0 2 0x2 syz-executor 53436 249635 95934 0 3 0x10008a sigsusp ksh 95934 72587 81213 0 3 0x98 kqread sshd-session 81213 442822 34147 0 3 0x92 kqread sshd-session 1035 53677 1 0 3 0x100083 ttyin getty 34147 349094 1 0 3 0x88 kqread sshd 80186 431405 25143 74 3 0x1100092 bpf pflogd 25143 301739 1 0 3 0x80 sbwait pflogd 84856 132027 75038 73 3 0x1100090 kqread syslogd 75038 438952 1 0 3 0x100082 sbwait syslogd 29118 2208 1 0 3 0x100080 kqread resolvd 17485 360105 50685 77 2 0x100012 dhcpleased 98105 298466 50685 77 3 0x100092 kqread dhcpleased 50685 163935 1 0 3 0x80 kqread dhcpleased 37929 69773 0 0 3 0x14200 bored smr 93086 283606 0 0 2 0x14200 zerothread 56245 343533 0 0 3 0x14200 aiodoned aiodoned 79725 489239 0 0 3 0x14200 syncer update 74522 390523 0 0 3 0x14200 cleaner cleaner 96683 245172 0 0 3 0x14200 reaper reaper 91002 164690 0 0 3 0x14200 pgdaemon pagedaemon 42263 129902 0 0 3 0x14200 bored viomb 54758 71031 0 0 3 0x40014200 acpi0 acpi0 46288 507719 0 0 3 0x40014200 idle1 96544 254580 0 0 3 0x14200 bored softnet1 13784 521586 0 0 7 0x14200 softnet0 71440 159301 0 0 3 0x14200 bored systqmp 15231 292823 0 0 3 0x14200 bored systq 89970 199670 0 0 3 0x14200 tmoslp softclockmp 8455 249522 0 0 3 0x40014200 tmoslp softclock 26359 491513 0 0 3 0x40014200 idle0 1 25170 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex softnet0 r = 0 (0xffff80000002c028) #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 task_add+0x67 sys/kern/kern_task.c:357 #4 if_enqueue_ifq+0xef sys/net/if.c:786 #5 ether_output+0x101 sys/net/if_ethersubr.c:375 #6 if_output_tso+0x200 sys/net/if.c:-1 #7 ip_output+0x1231 sys/netinet/ip_output.c:437 #8 tcp_output+0x36e3 sys/netinet/tcp_output.c:1087 #9 tcp_input_solocked+0x5a40 sys/netinet/tcp_input.c:2041 #10 tcp_input_mlist+0x93 sys/netinet/tcp_input.c:-1 #11 if_input_process+0x22a sys/net/if.c:1029 #12 ifiq_process+0xcd sys/net/ifq.c:864 #13 taskq_thread+0x157 sys/kern/kern_task.c:446 #14 proc_trampoline+0x10 CPU 1: exclusive mutex /syzkaller/managers/multicore/kernel/sys/net/pipex.c:78 r = 0 (0xffffffff837f60a0) #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 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 Process 11406 (syz-executor) thread 0xffff80002a30b268 (202536) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff839a9528) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 #2 sleep_finish+0x2d8 sys/kern/kern_synch.c:369 #3 msleep_nsec+0x132 sys/kern/kern_synch.c:219 #4 taskq_do_barrier+0x15f sys/kern/kern_task.c:304 #5 ifiq_destroy+0xda sys/net/ifq.c:697 #6 if_detach+0x836 sys/net/if.c:-1 #7 pppacclose+0x118 sys/net/if_pppx.c:1329 #8 spec_close+0x417 sys/kern/spec_vnops.c:-1 #9 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #10 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #10 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #11 fdrop+0x121 sys/kern/kern_descrip.c:1280 #12 closef+0x192 sys/kern/kern_descrip.c:1264 #13 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 exclusive mutex /syzkaller/managers/multicore/kernel/sys/net/pipex.c:78 r = 0 (0xffffffff837f60a0) #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 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #11 Xsyscall+0x128 Process 96924 (syz-executor) thread 0xffff80002a261770 (289211) exclusive rrwlock inode r = 0 (0xfffffd807d31a810) #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:775 #9 Xsyscall+0x128 Process 96924 (syz-executor) thread 0xffff80002efd1a10 (360053) exclusive rrwlock inode r = 0 (0xfffffd806eb9edb0) #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 vn_open+0x1f1 sys/kern/vfs_vnops.c:107 #8 doopenat+0x35b sys/kern/vfs_syscalls.c:1138 #9 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #9 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 #10 Xsyscall+0x128 Process 16767 (syz-executor) thread 0xffff80002a30afd0 (512557) exclusive rrwlock inode r = 0 (0xfffffd806f43b920) #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:775 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806c4ffc70) #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:775 #9 Xsyscall+0x128 Process 13784 (softnet0) thread 0xffff8000ffffe7c8 (521586) exclusive rwlock inet46 r = 0 (0xffff800001432ee0) #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 in_pcbsolock+0xdb sys/netinet/in_pcb.c:631 #3 tcp_input_solocked+0xa9a sys/netinet/tcp_input.c:-1 #4 tcp_input_mlist+0x93 sys/netinet/tcp_input.c:-1 #5 if_input_process+0x22a sys/net/if.c:1029 #6 ifiq_process+0xcd sys/net/ifq.c:864 #7 taskq_thread+0x157 sys/kern/kern_task.c:446 #8 proc_trampoline+0x10 shared rwlock netlock r = 0 (0xffffffff8386bd80) #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_read+0x3e8 sys/kern/kern_rwlock.c:413 #2 if_input_process+0x17f sys/net/if.c:1024 #3 ifiq_process+0xcd sys/net/ifq.c:864 #4 taskq_thread+0x157 sys/kern/kern_task.c:446 #5 proc_trampoline+0x10 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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10226 11130K 12355K 166960K 12757 0 pcb 17 15K 16K 166960K 383 0 rtable 269 14K 14K 166960K 784 0 pf 40 18K 82K 166960K 247 0 ifaddr 46 8K 8K 166960K 163 0 ifgroup 64 2K 3K 166960K 302 0 sysctl 4 1K 9K 166960K 19 0 counters 78 37K 38K 166960K 320 0 ioctlops 0 0K 4K 166960K 1867 0 iov 0 0K 20K 166960K 83 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1454 91K 92K 166960K 2753 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 23 137K 137K 166960K 53 0 dirhash 12 2K 2K 166960K 30 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 236K 166960K 2124 0 sigio 0 0K 0K 166960K 82 0 proc 72 115K 180K 166960K 828 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 311 0 in_multi 99 7K 7K 166960K 211 0 ether_multi 1 0K 0K 166960K 16 0 mrt 1 0K 0K 166960K 7 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 133 599K 599K 166960K 133 0 exec 0 0K 1K 166960K 872 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 245 177K 185K 166960K 20839 0 UVM aobj 47 8K 10K 166960K 54 0 pinsyscall 42 84K 105K 166960K 3393 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 144 0 NDP 14 0K 2K 166960K 117 0 temp 84 8680K 9196K 166960K 106230 0 kqueue 17 28K 32K 166960K 409 0 SYN cache 2 0K 16K 166960K 4 0 ddb{1}> 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 120 224 0 220 2 1 1 2 0 8 0 rtentry 176 215 0 106 6 0 6 6 0 8 0 unpcb 144 1503 0 1483 15 11 4 6 0 8 2 syncache 336 11 0 11 4 4 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 500 0 496 13 12 1 7 0 8 0 arp 136 32 0 12 1 0 1 1 0 8 0 inpcb 328 2280 0 2271 22 18 4 7 0 8 3 nd6 152 43 0 15 2 0 2 2 0 8 0 pkpcb 40 6 0 6 5 4 1 1 0 8 1 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1192 96 0 93 3 2 1 1 0 8 0 pppxif 1504 13 0 13 4 4 0 1 0 8 0 pfstscr 40 2 0 2 2 2 0 1 0 8 0 pffrag 232 64 0 54 1 0 1 1 0 482 0 pffrnode 88 62 0 53 1 0 1 1 0 8 0 pffrent 40 205 0 195 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 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 128 0 53 1 0 1 1 0 8 0 pfstkey 128 130 0 53 3 0 3 3 0 8 0 pfstate 448 127 0 53 9 0 9 9 0 8 0 pfrule 1344 26 0 21 2 1 1 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 870 0 407 37 8 29 29 0 8 0 art_table 40 874 0 407 5 0 5 5 0 8 0 art_node 32 214 0 116 1 0 1 1 0 8 0 sysvmsgpl 40 24 0 17 3 2 1 1 0 8 0 semupl 112 4 0 4 3 3 0 1 0 8 0 semapl 112 47 0 26 1 0 1 1 0 8 0 shmpl 112 47 0 4 2 0 2 2 0 8 0 dirhash 1024 29 0 12 3 0 3 3 0 8 0 dino2pl 256 5331 0 3817 95 0 95 95 0 8 0 ffsino 296 5331 0 3817 117 0 117 117 0 8 0 nchpl 144 8307 0 6592 64 0 64 64 0 8 0 rtmask 32 22 0 21 5 4 1 1 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 29084 0 29081 3 2 1 1 0 8 0 percpumem 16 175 0 121 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 840 4 0 3 1 0 1 1 0 8 0 kstatmem 264 186 0 154 5 2 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 5 0 5 3 3 0 1 0 8 0 scxspl 216 57915 0 57912 11 10 1 8 1 8 0 plimitpl 152 500 0 481 1 0 1 1 0 8 0 sigapl 424 2432 0 2364 8 0 8 8 0 8 0 knotepl 120 546 0 0 18 1 17 18 0 8 0 kqueuepl 224 1203 0 1188 15 10 5 5 0 8 4 pipepl 344 422 0 395 12 9 3 9 0 8 0 fdescpl 528 2393 0 2362 3 0 3 3 0 8 0 filepl 160 17009 0 16779 29 15 14 16 0 8 2 lockfpl 104 588 0 585 2 1 1 2 0 8 0 lockfspl 48 238 0 235 1 0 1 1 0 8 0 sessionpl 144 34 0 25 1 0 1 1 0 8 0 pgrppl 48 103 0 86 1 0 1 1 0 8 0 ucredpl 104 2677 0 2664 1 0 1 1 0 8 0 zombiepl 144 2863 0 2861 1 0 1 1 0 8 0 processpl 1232 2432 0 2364 6 0 6 6 0 8 0 procpl 664 5655 0 5576 9 1 8 8 0 8 0 sosppl 176 13 0 13 4 3 1 1 0 8 1 sockpl 752 4061 0 4028 40 30 10 17 0 8 5 mcl64k 65536 19 0 0 3 0 3 3 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 114 0 0 15 0 15 15 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 57 0 0 5 0 5 5 0 8 0 mtagpl 96 12 0 0 1 0 1 1 0 8 0 mbufpl 256 1235 0 0 76 0 76 76 0 8 0 bufpl 280 23426 0 17290 439 0 439 439 0 8 0 anonpl 32 11286 0 0 91 0 91 91 0 246 0 amapchunkpl 152 72173 0 71627 46 16 30 30 0 158 5 amappl16 200 9002 0 8804 63 48 15 27 0 8 4 amappl15 192 26 0 26 1 1 0 1 0 8 0 amappl14 184 6 0 6 2 2 0 1 0 8 0 amappl13 176 498 0 497 1 0 1 1 0 8 0 amappl12 168 2798 0 2757 3 0 3 3 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 56 0 42 1 0 1 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 40 0 37 1 0 1 1 0 8 0 amappl7 128 99 0 97 1 0 1 1 0 8 0 amappl6 120 343 0 330 1 0 1 1 0 8 0 amappl5 112 105 0 92 1 0 1 1 0 8 0 amappl4 104 473 0 441 1 0 1 1 0 8 0 amappl3 96 12559 0 12472 4 1 3 3 0 8 0 amappl2 88 2540 0 2465 3 1 2 3 0 8 0 amappl1 80 19561 0 18959 19 4 15 16 0 8 0 amappl 88 19687 0 19523 5 0 5 5 0 92 0 uvmvnodes 80 167 0 0 4 0 4 4 0 8 0 dma65536 65536 1 0 1 1 1 0 1 0 8 0 dma16384 16384 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 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 128 257 0 257 5 4 1 1 0 8 1 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 53 0 7 1 0 1 1 0 8 0 uaddrrnd 24 2393 0 2362 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2393 0 2362 1 0 1 1 0 8 0 vmmpekpl 168 19530 0 19468 3 0 3 3 0 8 0 vmmpepl 168 157894 0 155788 125 25 100 108 0 357 2 vmsppl 488 2392 0 2362 7 3 4 5 0 8 0 rwobjpl 80 43253 0 41940 35 4 31 33 0 8 0 pdppl 4096 4802 0 4731 117 44 73 86 0 8 2 pvpl 32 18503 0 0 150 1 149 149 0 265 0 pmappl 256 2396 0 2365 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 395 0 74 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff83806ff0) 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 _kernel_lock_held() at _kernel_lock_held+0x33 sys/kern/kern_lock.c:97 msleep_nsec(ffff80000002c000,ffff80000002c018,20,ffffffff8340b12b,ffffffffffffffff) at msleep_nsec+0x1a0 sys/kern/kern_synch.c:202 taskq_next_work(ffff80000002c000,ffff80002a210318) at taskq_next_work+0x8e sys/kern/kern_task.c:399 taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:439 end trace frame: 0x0, count: 8 ddb{0}> trace x86_ipi_db(ffffffff83806ff0) 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 _kernel_lock_held() at _kernel_lock_held+0x33 sys/kern/kern_lock.c:97 msleep_nsec(ffff80000002c000,ffff80000002c018,20,ffffffff8340b12b,ffffffffffffffff) at msleep_nsec+0x1a0 sys/kern/kern_synch.c:202 taskq_next_work(ffff80000002c000,ffff80002a210318) at taskq_next_work+0x8e sys/kern/kern_task.c:399 taskq_thread(ffff80000002c000) at taskq_thread+0x1d5 sys/kern/kern_task.c:439 end trace frame: 0x0, count: -7 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833aa43c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8e72,ffffffff83400a8f,1cb,ffffffff8339ddfa) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000fffdf7f0) at pipex_unlink_session_locked+0x409 pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff80002a30b268) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c428ae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bcbe888,81,fffffd80097fd000,ffff80002a30b268) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806dc552a0,ffff80002a30b268) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806dc552a0,ffff80002a30b268) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80003c428d40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c428d40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a984f90c40, count: 2 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833aa43c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833e8e72,ffffffff83400a8f,1cb,ffffffff8339ddfa) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff8000fffdf7f0) at pipex_unlink_session_locked+0x409 pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff800001477000) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff80002a30b268) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c428ae0) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd800bcbe888,81,fffffd80097fd000,ffff80002a30b268) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806dc552a0,ffff80002a30b268) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806dc552a0,ffff80002a30b268) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806dc552a0,ffff80002a30b268) at closef+0x192 sys/kern/kern_descrip.c:1264 syscall(ffff80003c428d40) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c428d40) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3a984f90c40, count: -13