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 360254 32086 77 0x100012 0x1 1 dhcpleased db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff833b604c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1796,ffffffff834107ec,1cb,ffffffff833ad513) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80003c419bf0) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff8000015a6800) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff8000015a6800) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff8000397e6fb8) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c4217a0) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806be8e998,81,fffffd80097fd270,ffff8000397e6fb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c6dd198,ffff8000397e6fb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c6dd198,ffff8000397e6fb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c6dd198,ffff8000397e6fb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c6dd198,ffff8000397e6fb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000397e6fb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000397e6fb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000397e6fb8,ffff80003c421b10,ffff80003c421a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80003c421b00, 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(ffffffff833b604c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1796,ffffffff834107ec,1cb,ffffffff833ad513) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80003c419bf0) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff8000015a6800) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff8000015a6800) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff8000397e6fb8) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c4217a0) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806be8e998,81,fffffd80097fd270,ffff8000397e6fb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c6dd198,ffff8000397e6fb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c6dd198,ffff8000397e6fb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c6dd198,ffff8000397e6fb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c6dd198,ffff8000397e6fb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000397e6fb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000397e6fb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000397e6fb8,ffff80003c421b10,ffff80003c421a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c421b10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c421b10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7492ca7aa580, count: -16 ddb{0}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c421570 rbx 0xffffffff83897e07 cpu_info_full_primary+0x2e07 rdx 0 rcx 0xffff8000397e6fb8 rax 0xffffffff83896ff0 cpu_info_full_primary+0x1ff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x653ca58d10214f42 r11 0x3843119433be5f7b r12 0xffffffff83897c08 cpu_info_full_primary+0x2c08 r13 0 r14 0 r15 0x1 rip 0xffffffff81b22065 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c421560 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=20180 pid=56868 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff8000397e6fb8 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a280a78,0xffff8000397e5cb8 process=0xffff80003c417040 user=0xffff80003c41c000, vmspace=0xfffffd800b063000 estcpu=36, cpticks=2, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30273 13518 90376 0 2 0 syz-executor 30273 31809 90376 0 3 0x4000080 fsleep syz-executor 79578 80271 48854 0 2 0 syz-executor 79578 437589 48854 0 3 0x4000080 fsleep syz-executor 79578 463618 48854 0 3 0x4000080 fsleep syz-executor 89472 10257 3261 60929 3 0x90 nanoslp syz-executor 89472 232724 3261 60929 3 0x4000090 ttyout syz-executor 89472 406625 3261 60929 3 0x4000090 fsleep syz-executor 89472 293544 3261 60929 3 0x4000090 fsleep syz-executor 32912 131381 34702 0 2 0 syz-executor 32912 395123 34702 0 3 0x4000080 kqread syz-executor 32912 296879 34702 0 3 0x4000080 fsleep syz-executor 38238 215435 30383 0 3 0x3000 suspend syz-executor 38238 450004 30383 0 3 0x4081000 biowait syz-executor 77170 287123 0 0 3 0x14200 acct acct 74091 380974 33526 0 3 0x82 nanoslp syz-executor 22486 4067 33526 0 3 0x2 biowait syz-executor 34702 98473 33526 0 3 0x82 nanoslp syz-executor 48854 170434 33526 0 3 0x82 nanoslp syz-executor 3261 159310 33526 0 3 0x82 nanoslp syz-executor 90376 437131 33526 0 3 0x82 nanoslp syz-executor 30383 423204 33526 0 3 0x82 nanoslp syz-executor 61463 347224 33526 0 3 0x82 nanoslp syz-executor 33526 130517 55475 0 3 0x82 kqread syz-executor 55475 152491 52310 0 3 0x10008a sigsusp ksh 52310 497146 57151 0 3 0x98 kqread sshd-session 57151 443630 32019 0 3 0x92 kqread sshd-session 16442 4978 1 0 3 0x100083 ttyopn getty 32019 2010 1 0 3 0x88 kqread sshd 15902 336618 64463 74 3 0x1100092 bpf pflogd 64463 144505 1 0 3 0x80 sbwait pflogd 29084 99164 97291 73 3 0x1100090 kqread syslogd 97291 5180 1 0 3 0x100082 sbwait syslogd 48041 231758 1 0 3 0x100080 kqread resolvd 32086 360254 78662 77 7 0x100013 dhcpleased 43871 175723 78662 77 2 0x100092 dhcpleased 78662 443241 1 0 3 0x80 kqread dhcpleased 24207 340593 0 0 3 0x14200 bored smr 82606 321690 0 0 2 0x14200 zerothread 30286 17177 0 0 3 0x14200 aiodoned aiodoned 94339 289057 0 0 3 0x14200 syncer update 93888 304299 0 0 3 0x14200 cleaner cleaner 28994 441893 0 0 3 0x14200 reaper reaper 71383 82451 0 0 3 0x14200 pgdaemon pagedaemon 83859 237092 0 0 3 0x14200 bored viomb 94861 291148 0 0 3 0x40014200 acpi0 acpi0 53395 98133 0 0 3 0x40014200 idle1 72751 273484 0 0 3 0x14200 bored softnet1 66293 475377 0 0 2 0x14200 softnet0 9259 341952 0 0 3 0x14200 smrbar systqmp 81173 77752 0 0 3 0x14200 bored systq 12643 40929 0 0 3 0x14200 tmoslp softclockmp 37691 494933 0 0 3 0x40014200 tmoslp softclock 59726 260371 0 0 3 0x40014200 idle0 1 444160 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks CPU 0: exclusive mutex /syzkaller/managers/multicore/kernel/sys/net/pipex.c:78 r = 0 (0xffffffff838b97f0) #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+0x4b4 sys/kern/kern_lock.c:487 #2 pipex_destroy_all_sessions+0x2f sys/net/pipex.c:144 #3 pppacclose+0x16f sys/net/if_pppx.c:1335 #4 spec_close+0x417 sys/kern/spec_vnops.c:-1 #5 VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 #6 vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] #6 vn_closefile+0x12b sys/kern/vfs_vnops.c:615 #7 fdrop+0x121 sys/kern/kern_descrip.c:1280 #8 closef+0x192 sys/kern/kern_descrip.c:1264 #9 fdfree+0x116 sys/kern/kern_descrip.c:1195 #10 exit1+0x576 sys/kern/kern_exit.c:215 #11 sys_exit+0x1a sys/kern/kern_exit.c:-1 #12 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #13 Xsyscall+0x128 Process 38238 (syz-executor) thread 0xffff8000397e6028 (450004) exclusive rrwlock inode r = 0 (0xfffffd806f0a11c8) #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+0xbd 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 22486 (syz-executor) thread 0xffff80002a280fa8 (4067) exclusive rrwlock inode r = 0 (0xfffffd806f0a5818) #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+0xbd sys/kern/vfs_vops.c:527 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d184578) #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+0xbd 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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #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 66293 (softnet0) thread 0xffff8000ffffea60 (475377) 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 Process 9259 (systqmp) thread 0xffff8000ffffe000 (341952) shared rwlock systqmp r = 0 (0xffffffff8389bd98) #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 11066 12087K 12382K 166960K 12607 0 pcb 17 14K 16K 166960K 193 0 rtable 229 9K 9K 166960K 434 0 pf 34 17K 81K 166960K 89 0 ifaddr 37 6K 7K 166960K 66 0 ifgroup 55 2K 2K 166960K 96 0 sysctl 3 1K 9K 166960K 11 0 counters 72 37K 37K 166960K 378 0 ioctlops 0 0K 4K 166960K 1668 0 iov 0 0K 20K 166960K 21 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1401 88K 88K 166960K 1720 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 2K 6K 166960K 12 0 VM map 2 1K 1K 166960K 2 0 sem 10 0K 0K 166960K 43 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 455 0 sigio 0 0K 0K 166960K 8 0 proc 74 115K 164K 166960K 565 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 118 0 in_multi 77 5K 7K 166960K 120 0 ether_multi 1 0K 0K 166960K 6 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 79 360K 360K 166960K 79 0 exec 0 0K 1K 166960K 432 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 254 155K 165K 166960K 6221 0 UVM aobj 12 4K 4K 166960K 15 0 pinsyscall 42 84K 107K 166960K 1607 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 16 0 NDP 12 0K 2K 166960K 45 0 temp 48 8668K 8739K 166960K 20126 0 kqueue 14 22K 28K 166960K 82 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 49 0 46 1 0 1 1 0 8 0 rtentry 176 122 0 28 6 1 5 6 0 8 0 unpcb 144 210 0 189 2 0 2 2 0 8 1 syncache 336 6 0 6 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 259 0 254 8 1 7 7 0 8 6 arp 136 20 0 5 1 0 1 1 0 8 0 inpcb 328 663 0 654 7 0 7 7 0 8 6 nd6 152 27 0 6 1 0 1 1 0 8 0 pkpcb 40 2 0 2 1 0 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 2 0 2 1 1 0 1 0 8 0 ppxss 1192 151 0 150 1 0 1 1 0 8 0 pppxif 1504 1 0 1 1 1 0 1 0 8 0 pffrag 232 7 0 1 1 0 1 1 0 482 0 pffrnode 88 7 0 1 1 0 1 1 0 8 0 pffrent 40 9 0 3 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 1 1 1 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 38 0 1 1 0 1 1 0 8 0 pfstkey 128 38 0 1 2 0 2 2 0 8 0 pfstate 448 38 0 1 5 0 5 5 0 8 0 pfrule 1344 24 0 19 2 1 1 2 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 500 0 100 29 1 28 29 0 8 1 art_table 40 503 0 100 5 0 5 5 0 8 0 art_node 32 121 0 34 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 40 0 32 1 0 1 1 0 8 0 shmpl 112 10 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 2258 0 746 95 0 95 95 0 8 0 ffsino 296 2258 0 746 117 0 117 117 0 8 0 nchpl 144 2894 0 1190 64 0 64 64 0 8 0 rtmask 32 4 0 3 1 0 1 1 0 8 0 vnodes 216 2528 0 0 141 0 141 141 0 8 0 namei 1024 9431 0 9431 1 0 1 1 0 8 1 percpumem 16 204 0 153 1 0 1 1 0 8 0 vcpupl 3968 1 0 0 1 0 1 1 0 8 0 vmpool 848 2 0 1 1 0 1 1 0 8 0 kstatmem 264 62 0 34 3 0 3 3 0 8 1 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 1 0 1 1 0 1 1 0 8 1 scxspl 216 13867 0 13865 8 3 5 8 1 8 4 plimitpl 152 106 0 85 1 0 1 1 0 8 0 sigapl 424 771 0 723 7 1 6 7 0 8 0 knotepl 120 540 0 0 17 0 17 17 0 8 0 kqueuepl 224 208 0 198 5 0 5 5 0 8 3 pipepl 344 144 0 117 3 0 3 3 0 8 0 fdescpl 528 754 0 723 3 0 3 3 0 8 0 filepl 160 4100 0 3876 16 0 16 16 0 8 6 lockfpl 104 154 0 152 1 0 1 1 0 8 0 lockfspl 48 61 0 59 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 38 0 21 1 0 1 1 0 8 0 ucredpl 104 480 0 466 1 0 1 1 0 8 0 zombiepl 144 726 0 723 1 0 1 1 0 8 0 processpl 1232 771 0 723 5 0 5 5 0 8 0 procpl 664 1346 0 1289 6 0 6 6 0 8 0 sosppl 176 1 0 1 1 1 0 1 0 8 0 sockpl 752 939 0 906 11 0 11 11 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 134 0 0 17 0 17 17 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 4 0 0 1 0 1 1 0 8 0 mbufpl 256 152 0 0 10 0 10 10 0 8 0 bufpl 280 5145 0 130 359 0 359 359 0 8 0 anonpl 32 10370 0 0 84 0 84 84 0 246 0 amapchunkpl 152 19540 0 18983 36 0 36 36 0 158 13 amappl16 200 2417 0 2311 14 0 14 14 0 8 8 amappl15 192 31 0 31 1 1 0 1 0 8 0 amappl14 184 12 0 12 1 1 0 1 0 8 0 amappl13 176 431 0 430 1 0 1 1 0 8 0 amappl12 168 1134 0 1092 3 0 3 3 0 8 0 amappl11 160 7 0 7 1 1 0 1 0 8 0 amappl10 152 45 0 31 1 0 1 1 0 8 0 amappl9 144 250 0 250 1 1 0 1 0 8 0 amappl8 136 29 0 27 1 0 1 1 0 8 0 amappl7 128 147 0 146 1 0 1 1 0 8 0 amappl6 120 282 0 268 1 0 1 1 0 8 0 amappl5 112 79 0 69 1 0 1 1 0 8 0 amappl4 104 436 0 405 1 0 1 1 0 8 0 amappl3 96 3583 0 3470 5 1 4 4 0 8 0 amappl2 88 557 0 496 2 0 2 2 0 8 0 amappl1 80 11191 0 10598 15 1 14 15 0 8 0 amappl 88 5400 0 5222 5 0 5 5 0 92 0 uvmvnodes 80 115 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 9 0 9 2 2 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 72 14 0 3 1 0 1 1 0 8 0 uaddrrnd 24 754 0 723 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 754 0 723 1 0 1 1 0 8 0 vmmpekpl 168 8063 0 8028 2 0 2 2 0 8 0 vmmpepl 168 56191 0 54173 97 0 97 97 0 357 4 vmsppl 488 753 0 723 5 0 5 5 0 8 1 rwobjpl 80 18271 0 17123 27 0 27 27 0 8 1 pdppl 4096 1519 0 1449 104 32 72 87 0 8 2 pvpl 32 20661 0 0 168 1 167 167 0 265 0 pmappl 256 755 0 724 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 290 0 38 8 0 8 8 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(ffffffff833b604c) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833f1796,ffffffff834107ec,1cb,ffffffff833ad513) at __assert+0x29 sys/kern/subr_prf.c:-1 pipex_unlink_session_locked(ffff80003c419bf0) at pipex_unlink_session_locked+0x429 pipex_destroy_all_sessions(ffff8000015a6800) at pipex_destroy_all_sessions+0xd9 pipex_rele_session sys/net/pipex.c:-1 [inline] pipex_destroy_all_sessions(ffff8000015a6800) at pipex_destroy_all_sessions+0xd9 sys/net/pipex.c:151 pppacclose(637e,81,2000,ffff8000397e6fb8) at pppacclose+0x16f sys/net/if_pppx.c:1335 spec_close(ffff80003c4217a0) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd806be8e998,81,fffffd80097fd270,ffff8000397e6fb8) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806c6dd198,ffff8000397e6fb8) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806c6dd198,ffff8000397e6fb8) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806c6dd198,ffff8000397e6fb8) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806c6dd198,ffff8000397e6fb8) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff8000397e6fb8) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff8000397e6fb8,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff8000397e6fb8,ffff80003c421b10,ffff80003c421a60) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c421b10) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c421b10) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7492ca7aa580, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffff8000299ddff0) 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 __mp_lock(ffffffff839bdc00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839bdc00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrgenio(ffff80002a262010,6,1,ffff800000c40760,14) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff80002a262010,6,1,ffff800000c40760,14) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilewritev(ffff80002a262010,6,ffff80002a29a390,0,ffff80002a29a450) at dofilewritev+0x502 sys/kern/sys_generic.c:398 sys_writev(ffff80002a262010,ffff80002a29a500,ffff80002a29a450) at sys_writev+0xd8 sys/kern/sys_generic.c:327 syscall(ffff80002a29a500) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a29a500) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x719adef64420, count: 6 ddb{1}> trace x86_ipi_db(ffff8000299ddff0) 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 __mp_lock(ffffffff839bdc00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff839bdc00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrgenio(ffff80002a262010,6,1,ffff800000c40760,14) at ktrgenio+0x228 ktrwrite2 sys/kern/kern_ktrace.c:-1 [inline] ktrgenio(ffff80002a262010,6,1,ffff800000c40760,14) at ktrgenio+0x228 sys/kern/kern_ktrace.c:264 dofilewritev(ffff80002a262010,6,ffff80002a29a390,0,ffff80002a29a450) at dofilewritev+0x502 sys/kern/sys_generic.c:398 sys_writev(ffff80002a262010,ffff80002a29a500,ffff80002a29a450) at sys_writev+0xd8 sys/kern/sys_generic.c:327 syscall(ffff80002a29a500) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a29a500) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:775 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x719adef64420, count: -9