login: panic: kernel diagnostic assertion "refs != ~0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_synch.c", line 951 Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 452022 96047 0 0x14000 0x200 0 reaper db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8336fab4) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833b1b85,ffffffff833c156d,3b7,ffffffff833eae06) at __assert+0x29 sys/kern/subr_prf.c:-1 refcnt_finalize(ffff80003c4b7520,ffffffff833687e9) at refcnt_finalize+0x1db sys/kern/kern_synch.c:952 pppx_if_destroy(205b9a,ffff80003c4b7518) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794 pppxclose(205b9a,2,2000,ffff80003c4467f0) at pppxclose+0xa0 sys/net/if_pppx.c:541 spec_close(ffff80003c4e5590) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80671f3cb0,2,fffffd80097fb5b0,ffff80003c4467f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b9fead0,ffff80003c4467f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b9fead0,ffff80003c4467f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4467f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4467f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4467f0,ffff80003c4e5900,ffff80003c4e5850) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80003c4e58f0, 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic *cpu1: kernel diagnostic assertion "refs != ~0" failed: file "/syzkaller/managers/multicore/kernel/sys/kern/kern_synch.c", line 951 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8336fab4) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833b1b85,ffffffff833c156d,3b7,ffffffff833eae06) at __assert+0x29 sys/kern/subr_prf.c:-1 refcnt_finalize(ffff80003c4b7520,ffffffff833687e9) at refcnt_finalize+0x1db sys/kern/kern_synch.c:952 pppx_if_destroy(205b9a,ffff80003c4b7518) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794 pppxclose(205b9a,2,2000,ffff80003c4467f0) at pppxclose+0xa0 sys/net/if_pppx.c:541 spec_close(ffff80003c4e5590) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80671f3cb0,2,fffffd80097fb5b0,ffff80003c4467f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b9fead0,ffff80003c4467f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b9fead0,ffff80003c4467f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4467f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4467f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4467f0,ffff80003c4e5900,ffff80003c4e5850) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4e5900) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4e5900) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75e8d264dd10, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80003c4e5360 rbx 0xffff8000299eeddf rdx 0 rcx 0xffff80003c4467f0 rax 0xffff8000299edff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x619c11079da780dc r11 0xa7438b27cff75962 r12 0xffff8000299eebe0 r13 0 r14 0 r15 0x1 rip 0xffffffff81715f45 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4e5350 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=518250 pid=73445 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=32, usrpri=84, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80003c4467f0 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80003c4f3a28,0xffff800033808fc0 process=0xffff80002a2c2bf8 user=0xffff80003c4e0000, vmspace=0xfffffd805be98d90 estcpu=34, cpticks=8, pctcpu=0.7, user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 33203 478719 37374 0 2 0 syz-executor 33203 205385 37374 0 3 0x4000000 smrbar syz-executor 47651 478337 62502 0 3 0x80 nanoslp syz-executor 47651 468762 62502 0 3 0x4000080 lockf syz-executor 47651 1061 62502 0 3 0x4000080 fsleep syz-executor 13373 248727 84147 0 3 0x80 nanoslp syz-executor 13373 389492 84147 0 3 0x4000080 lockf syz-executor 13373 301947 84147 0 3 0x4000080 fsleep syz-executor 15775 474759 1 0 3 0x80 nanoslp init 41239 173965 17428 0 3 0x3000 suspend syz-executor 41239 510816 17428 0 3 0x4081000 biowait syz-executor 41239 71901 17428 0 3 0x4081000 fltagain2 syz-executor 38377 104133 46199 0 4 0x82000 syz-executor 38377 99392 46199 0 3 0x4082000 biowait syz-executor 38377 41842 46199 0 3 0x4082000 inode syz-executor 38377 70966 46199 0 3 0x4082000 inode syz-executor 38377 264864 46199 0 3 0x4002000 suspend syz-executor 37374 469636 96842 0 3 0x82 nanoslp syz-executor 79620 278873 0 0 3 0x14200 acct acct 46199 414686 96842 0 3 0x82 wait syz-executor 62502 305199 96842 0 3 0x82 nanoslp syz-executor 84147 384450 96842 0 3 0x82 nanoslp syz-executor 17428 347943 96842 0 3 0x82 nanoslp syz-executor 15455 405990 96842 0 3 0x2 biowait syz-executor 162 206330 96842 0 2 0x3 syz-executor 95330 1313 0 0 3 0x14200 bored sosplice 2368 289643 96842 0 2 0x3 syz-executor 96842 35486 36273 0 3 0x82 kqread syz-executor 36273 147809 98100 0 3 0x10008a sigsusp ksh 98100 305109 79568 0 3 0x98 kqread sshd-session 79568 510326 29124 0 3 0x92 kqread sshd-session 29124 434688 1 0 3 0x88 kqread sshd 78379 509874 58814 74 3 0x1100092 bpf pflogd 58814 300764 1 0 3 0x80 sbwait pflogd 95242 272804 34067 73 3 0x1100090 kqread syslogd 34067 103069 1 0 3 0x100082 sbwait syslogd 45255 162542 1 0 3 0x100080 kqread resolvd 85159 150397 14787 77 3 0x100092 kqread dhcpleased 37104 293024 14787 77 3 0x100092 kqread dhcpleased 14787 188333 1 0 3 0x80 kqread dhcpleased 42976 407400 0 0 3 0x14200 bored smr 63675 443265 0 0 3 0x14200 pgzero zerothread 21649 262609 0 0 3 0x14200 aiodoned aiodoned 76643 9219 0 0 3 0x14200 syncer update 23966 191633 0 0 3 0x14200 cleaner cleaner 96047 452022 0 0 7 0x14200 reaper 33813 209260 0 0 3 0x14200 pgdaemon pagedaemon 4043 194309 0 0 3 0x14200 bored viomb 63156 15933 0 0 3 0x40014200 acpi0 acpi0 76893 82405 0 0 3 0x40014200 idle1 69129 37486 0 0 3 0x14200 bored softnet7 87081 328382 0 0 3 0x14200 bored softnet6 7300 523988 0 0 3 0x14200 bored softnet5 592 391112 0 0 3 0x14200 bored softnet4 55431 102082 0 0 3 0x14200 bored softnet3 38576 32745 0 0 3 0x14200 bored softnet2 60024 113500 0 0 3 0x14200 bored softnet1 79947 407764 0 0 3 0x14200 bored softnet0 20074 483902 0 0 3 0x14200 bored systqmp 94746 118196 0 0 3 0x14200 bored systq 59045 103370 0 0 3 0x14200 tmoslp softclockmp 13111 186655 0 0 3 0x40014200 tmoslp softclock 61388 472851 0 0 3 0x40014200 idle0 1 429773 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 41239 (syz-executor) thread 0xffff800033808a80 (510816) exclusive rrwlock inode r = 0 (0xfffffd806ea0bd90) #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:748 #9 Xsyscall+0x128 Process 38377 (syz-executor) thread 0xffff80003c4f2fc8 (99392) exclusive rrwlock inode r = 0 (0xfffffd8069d7f208) #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:748 #9 Xsyscall+0x128 Process 38377 (syz-executor) thread 0xffff800033809248 (70966) exclusive rrwlock inode r = 0 (0xfffffd806e09dc30) #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:748 #9 Xsyscall+0x128 Process 15455 (syz-executor) thread 0xffff80003c4474e8 (405990) exclusive rrwlock inode r = 0 (0xfffffd80677a9a30) #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:748 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069d7f580) #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:748 #9 Xsyscall+0x128 Process 96047 (reaper) thread 0xffff8000ffffc2a0 (452022) exclusive rwlock kmmaplk r = 0 (0xffffffff8392cfa8) #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 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5168 #3 uvm_unmap+0x7d sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:831 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:304 #6 reaper+0x1aa sys/kern/kern_exit.c:493 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10255 11054K 12421K 166960K 14320 0 pcb 19 15K 31K 166960K 1190 0 rtable 186 13K 13K 166960K 983 0 pf 40 18K 82K 166960K 373 0 ifaddr 38 7K 9K 166960K 243 0 ifgroup 64 2K 3K 166960K 440 0 sysctl 4 1K 9K 166960K 25 0 counters 74 37K 38K 166960K 482 0 ioctlops 0 0K 4K 166960K 2152 0 iov 0 0K 16K 166960K 189 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1484 93K 94K 166960K 3853 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 5K 9K 166960K 36 0 VM map 2 1K 1K 166960K 2 0 sem 13 29K 45K 166960K 104 0 dirhash 12 2K 2K 166960K 90 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 232K 166960K 3519 0 sigio 0 0K 0K 166960K 119 0 proc 65 115K 179K 166960K 1182 0 subproc 72 4K 4K 166960K 166 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 3 0K 0K 166960K 543 0 in_multi 70 5K 7K 166960K 337 0 ether_multi 2 0K 0K 166960K 38 0 mrt 1 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 241 1076K 1076K 166960K 241 0 exec 0 0K 1K 166960K 1278 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 35 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 265 160K 182K 166960K 33069 0 UVM aobj 81 3K 3K 166960K 92 0 pinsyscall 41 82K 104K 166960K 4871 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 254 0 NDP 14 0K 2K 166960K 178 0 temp 119 8652K 8908K 166960K 186597 0 kqueue 14 22K 35K 166960K 745 0 SYN cache 2 16K 16K 166960K 2 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 120 483 0 479 7 6 1 3 0 8 0 rtentry 176 302 0 240 5 0 5 5 0 8 0 unpcb 144 2319 0 2295 14 11 3 5 0 8 2 syncache 336 7 0 7 4 3 1 1 0 8 1 tcpcb 736 1451 0 1447 26 22 4 7 0 8 3 arp 128 31 0 24 1 0 1 1 0 8 0 inpcb 328 4369 0 4357 36 31 5 7 0 8 4 nd6 144 46 0 34 1 0 1 1 0 8 0 pkpcb 40 28 0 28 7 7 0 1 0 8 0 kcovpl 48 18 0 10 1 0 1 1 0 8 0 ppxss 1192 160 0 159 6 5 1 1 0 8 0 pppxif 1504 20 0 19 8 7 1 1 0 8 0 pffrag 232 84 0 78 1 0 1 1 0 482 0 pffrnode 88 83 0 77 1 0 1 1 0 8 0 pffrent 40 163 0 157 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 5 0 5 3 3 0 1 0 8 0 pftag 88 1 0 0 1 0 1 1 0 8 0 pfstitem 24 32 0 23 1 0 1 1 0 8 0 pfstkey 128 32 0 23 1 0 1 1 0 8 0 pfstate 384 32 0 23 3 1 2 3 0 8 0 pfrule 1344 29 0 23 2 1 1 2 0 8 0 rttmr 136 3 0 3 2 2 0 1 0 8 0 art_heap8 4096 4 0 1 4 1 3 3 0 8 0 art_heap4 256 1256 0 933 42 21 21 30 0 8 0 art_table 40 1260 0 934 5 0 5 5 0 8 0 art_node 32 295 0 242 1 0 1 1 0 8 0 sysvmsgpl 40 43 0 10 2 1 1 1 0 8 0 semapl 112 97 0 86 1 0 1 1 0 8 0 shmpl 112 89 0 11 3 0 3 3 0 8 0 dirhash 1024 69 0 52 3 0 3 3 0 8 0 dino2pl 256 8021 0 6488 97 1 96 96 0 8 0 ffsino 296 8021 0 6488 119 0 119 119 0 8 0 nchpl 144 12920 0 12305 64 38 26 64 0 8 0 rtmask 32 32 0 32 8 7 1 1 0 8 1 uvmvnodes 80 9221 0 0 189 0 189 189 0 8 0 vnodes 216 9221 0 0 513 0 513 513 0 8 0 namei 1024 48071 0 48069 8 5 3 3 0 8 2 percpumem 16 256 0 204 1 0 1 1 0 8 0 kstatmem 264 290 0 256 4 1 3 3 0 8 0 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 16 0 16 7 6 1 1 0 8 1 scxspl 216 109320 0 109317 17 16 1 8 1 8 0 plimitpl 152 934 0 916 1 0 1 1 0 8 0 sigapl 424 3824 0 3769 9 2 7 9 0 8 0 knotepl 120 845 0 0 25 0 25 25 0 8 0 kqueuepl 224 1590 0 1579 16 15 1 5 0 8 0 pipepl 344 486 0 458 9 6 3 9 0 8 0 fdescpl 528 3773 0 3742 3 0 3 3 0 8 0 filepl 160 26117 0 25873 30 18 12 18 0 8 0 lockfpl 104 1839 0 1831 3 2 1 2 0 8 0 lockfspl 48 581 0 576 1 0 1 1 0 8 0 sessionpl 144 38 0 30 1 0 1 1 0 8 0 pgrppl 48 86 0 70 1 0 1 1 0 8 0 ucredpl 104 4185 0 4171 1 0 1 1 0 8 0 zombiepl 144 5068 0 5065 2 1 1 1 0 8 0 processpl 1248 3824 0 3769 6 1 5 6 0 8 0 procpl 664 9567 0 9501 8 1 7 8 0 8 0 sosppl 168 27 0 27 7 6 1 1 0 8 1 sockpl 752 7530 0 7490 44 34 10 14 0 8 6 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 11 0 0 2 0 2 2 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 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k 2048 102 0 0 9 0 9 9 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 5402 0 0 338 0 338 338 0 8 0 bufpl 280 47364 0 41221 440 0 440 440 0 8 0 anonpl 32 14773 0 0 119 0 119 119 0 246 0 amapchunkpl 152 117763 0 117029 86 51 35 38 0 158 4 amappl16 200 14827 0 14430 89 68 21 27 0 8 0 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 140 0 129 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 1 0 1 0 8 0 amappl12 168 4576 0 4546 4 2 2 3 0 8 0 amappl11 160 52 0 37 1 0 1 1 0 8 0 amappl10 152 6 0 6 2 2 0 1 0 8 0 amappl9 144 295 0 295 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 132 0 120 1 0 1 1 0 8 0 amappl6 120 305 0 301 1 0 1 1 0 8 0 amappl5 112 169 0 158 1 0 1 1 0 8 0 amappl4 104 319 0 301 1 0 1 1 0 8 0 amappl3 96 23886 0 23763 4 0 4 4 0 8 0 amappl2 88 813 0 751 2 0 2 2 0 8 0 amappl1 80 22865 0 22284 16 2 14 15 0 8 0 amappl 88 31602 0 31410 5 0 5 5 0 92 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 6 0 6 1 1 0 1 0 8 0 dma128 128 264 0 264 9 9 0 1 0 8 0 dma64 64 8 0 8 3 3 0 1 0 8 0 dma32 32 9 0 9 2 2 0 1 0 8 0 dma16 16 21 0 20 1 0 1 1 0 8 0 aobjpl 72 91 0 11 2 0 2 2 0 8 0 uaddrrnd 24 3773 0 3742 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3773 0 3742 1 0 1 1 0 8 0 vmmpekpl 168 29741 0 29684 4 0 4 4 0 8 0 vmmpepl 168 240833 0 238447 137 31 106 113 0 357 0 vmsppl 488 3772 0 3742 8 3 5 5 0 8 0 rwobjpl 80 71579 0 60960 219 2 217 217 0 8 0 pdppl 4096 7554 0 7484 136 64 72 84 0 8 2 pvpl 32 24637 0 0 199 0 199 199 0 265 0 pmappl 256 3772 0 3742 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 691 0 119 17 0 17 17 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff8386bff0) 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(ffffffff83938498) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83938498) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a268650,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc mtx_enter(ffffffff837c8440) at mtx_enter+0x4a sys/kern/kern_lock.c:260 msleep_nsec(ffffffff837c8478,ffffffff837c8440,4,ffffffff833851f8,ffffffffffffffff) at msleep_nsec+0x2d3 sys/kern/kern_synch.c:209 reaper(ffff8000ffffc2a0) at reaper+0x13b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: 5 ddb{0}> trace x86_ipi_db(ffffffff8386bff0) 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(ffffffff83938498) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83938498) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002a268650,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc mtx_enter(ffffffff837c8440) at mtx_enter+0x4a sys/kern/kern_lock.c:260 msleep_nsec(ffffffff837c8478,ffffffff837c8440,4,ffffffff833851f8,ffffffffffffffff) at msleep_nsec+0x2d3 sys/kern/kern_synch.c:209 reaper(ffff8000ffffc2a0) at reaper+0x13b sys/kern/kern_exit.c:477 end trace frame: 0x0, count: -10 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(ffffffff8336fab4) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833b1b85,ffffffff833c156d,3b7,ffffffff833eae06) at __assert+0x29 sys/kern/subr_prf.c:-1 refcnt_finalize(ffff80003c4b7520,ffffffff833687e9) at refcnt_finalize+0x1db sys/kern/kern_synch.c:952 pppx_if_destroy(205b9a,ffff80003c4b7518) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794 pppxclose(205b9a,2,2000,ffff80003c4467f0) at pppxclose+0xa0 sys/net/if_pppx.c:541 spec_close(ffff80003c4e5590) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80671f3cb0,2,fffffd80097fb5b0,ffff80003c4467f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b9fead0,ffff80003c4467f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b9fead0,ffff80003c4467f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4467f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4467f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4467f0,ffff80003c4e5900,ffff80003c4e5850) at sys_exit+0x1a sys/kern/kern_exit.c:-1 end trace frame: 0xffff80003c4e58f0, count: 0 ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8336fab4) at panic+0x1e5 sys/kern/subr_prf.c:198 __assert(ffffffff833b1b85,ffffffff833c156d,3b7,ffffffff833eae06) at __assert+0x29 sys/kern/subr_prf.c:-1 refcnt_finalize(ffff80003c4b7520,ffffffff833687e9) at refcnt_finalize+0x1db sys/kern/kern_synch.c:952 pppx_if_destroy(205b9a,ffff80003c4b7518) at pppx_if_destroy+0x3d sys/net/if_pppx.c:794 pppxclose(205b9a,2,2000,ffff80003c4467f0) at pppxclose+0xa0 sys/net/if_pppx.c:541 spec_close(ffff80003c4e5590) at spec_close+0x417 sys/kern/spec_vnops.c:-1 VOP_CLOSE(fffffd80671f3cb0,2,fffffd80097fb5b0,ffff80003c4467f0) at VOP_CLOSE+0x132 sys/kern/vfs_vops.c:156 vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806b9fead0,ffff80003c4467f0) at vn_closefile+0x12b sys/kern/vfs_vnops.c:615 fdrop(fffffd806b9fead0,ffff80003c4467f0) at fdrop+0x121 sys/kern/kern_descrip.c:1280 closef(fffffd806b9fead0,ffff80003c4467f0) at closef+0x192 sys/kern/kern_descrip.c:1264 fdfree(ffff80003c4467f0) at fdfree+0x116 sys/kern/kern_descrip.c:1195 exit1(ffff80003c4467f0,0,0,1) at exit1+0x576 sys/kern/kern_exit.c:215 sys_exit(ffff80003c4467f0,ffff80003c4e5900,ffff80003c4e5850) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003c4e5900) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c4e5900) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:748 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75e8d264dd10, count: -16