panic: acquiringp abnlioc:c k ab l e sl e e p lo c k w it h s p i n l oc k o rk er n e l d i agn o s ti c a s s e r t i on " ! _k e r ne l_ l o c k _ h e ld ( ) " f a i l ed : f i le " / sy z k al l er / ma na g e rs / mu l t i c or e /k e r n el / s ys / u v m /u v m _m a p. c" , l i n e 2 7 3 4 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *332442 65397 0 0x14000 0x200 1 reaper 217452 85701 0 0x14000 0x200 0 softnet db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd80679b3300) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd80679b3300) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: 9 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 *cpu0: acquiring blockable sleep lock with spinlock or critical section held (kernel_lock) &kernel_lock cpu1: kernel diagnostic assertion "!_kernel_lock_held()" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_map.c", line 2734 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd80679b3300) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd80679b3300) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: -6 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff8000211354c0 rbx 0xffff800020ce9bff rdx 0 rcx 0 rax 0xffff8000210f9a40 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8953828654c78334 r11 0x9f77bbaea2fec56c r12 0xffff800020ce9a00 r13 0 r14 0xffffffff8294ea00 cpu_info_full_primary+0x2a00 r15 0x1 rip 0xffffffff81f18858 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211354b0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (reaper) pid=332442 stat=onproc flags process=14000 proc=200 pri=4, usrpri=64, nice=20 forw=0xffffffffffffffff, list=0xffff8000210f97a0,0xffff8000210f9cf0 process=0xffff8000ffffc428 user=0xffff800021130000, vmspace=0xffffffff829d33f8 estcpu=14, cpticks=15, pctcpu=1.85 user=0, sys=4, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 39383 467910 88187 0 2 0 syz-executor.1 39383 155302 88187 0 2 0x4000000 syz-executor.1 19136 293515 80623 0 3 0x2 biowait syz-executor.4 20090 388064 1 0 3 0x100083 ttyin getty 85470 299690 80623 0 3 0x82 nanoslp syz-executor.0 73801 321834 0 0 3 0x14280 nfsidl nfsio 95297 503932 0 0 3 0x14280 nfsidl nfsio 14351 460054 0 0 3 0x14280 nfsidl nfsio 86137 464602 0 0 3 0x14280 nfsidl nfsio 67141 357979 0 0 3 0x14280 nfsidl nfsio 44051 414168 0 0 3 0x14280 nfsidl nfsio 76542 130589 0 0 3 0x14280 nfsidl nfsio 81722 403902 0 0 3 0x14280 nfsidl nfsio 57394 206707 0 0 3 0x14280 nfsidl nfsio 44757 335428 0 0 3 0x14280 nfsidl nfsio 71036 174916 0 0 3 0x14280 nfsidl nfsio 91420 435478 0 0 3 0x14280 nfsidl nfsio 36838 264433 0 0 3 0x14280 nfsidl nfsio 12228 261275 0 0 3 0x14280 nfsidl nfsio 32070 433832 0 0 3 0x14280 nfsidl nfsio 70906 110599 0 0 3 0x14280 nfsidl nfsio 37478 236499 0 0 3 0x14280 nfsidl nfsio 67970 164692 0 0 3 0x14280 nfsidl nfsio 18741 117567 0 0 3 0x14280 nfsidl nfsio 13288 46992 0 0 3 0x14280 nfsidl nfsio 58246 209629 0 0 3 0x14200 bored sosplice 38815 254021 80623 0 3 0x82 piperd syz-executor.7 85721 36800 80623 0 3 0x2 biowait syz-executor.6 81864 516549 80623 0 3 0x82 nanoslp syz-executor.5 15812 259620 80623 0 2 0x482 syz-executor.3 14281 519749 80623 0 3 0x82 nanoslp syz-executor.2 88187 341237 80623 0 3 0x82 nanoslp syz-executor.1 80623 431168 17807 0 3 0x82 thrsleep syz-fuzzer 80623 503274 17807 0 3 0x4000082 nanoslp syz-fuzzer 80623 515342 17807 0 3 0x4000082 kqread syz-fuzzer 80623 354125 17807 0 3 0x4000082 thrsleep syz-fuzzer 80623 249579 17807 0 3 0x4000082 thrsleep syz-fuzzer 80623 87747 17807 0 3 0x4000082 thrsleep syz-fuzzer 80623 259953 17807 0 3 0x4000082 thrsleep syz-fuzzer 80623 4628 17807 0 3 0x4000082 nanoslp syz-fuzzer 80623 213676 17807 0 3 0x4000082 thrsleep syz-fuzzer 17807 200653 15314 0 3 0x10008a sigsusp ksh 15314 253230 44305 0 3 0x9a kqread sshd 44305 474850 1 0 3 0x88 kqread sshd 26410 227466 80613 74 3 0x1100092 bpf pflogd 80613 301637 1 0 3 0x80 netio pflogd 11590 18168 54428 73 3 0x1100090 kqread syslogd 54428 390334 1 0 3 0x100082 netio syslogd 55710 488520 1 0 3 0x100080 kqread resolvd 5434 316426 32356 77 3 0x100092 kqread dhcpleased 82189 101642 32356 77 3 0x100092 kqread dhcpleased 32356 41519 1 0 3 0x80 kqread dhcpleased 72868 325222 0 0 3 0x14200 bored smr 11374 166256 0 0 2 0x14200 zerothread 91070 368580 0 0 3 0x14200 aiodoned aiodoned 11812 229976 0 0 3 0x14200 syncer update 1262 1010 0 0 3 0x14200 cleaner cleaner *65397 332442 0 0 7 0x14200 reaper 40331 511340 0 0 3 0x14200 pgdaemon pagedaemon 23052 472765 0 0 3 0x14200 bored viomb 48840 103392 0 0 3 0x40014200 acpi0 acpi0 77544 232077 0 0 3 0x40014200 idle1 85701 217452 0 0 7 0x14200 softnet 89410 47166 0 0 3 0x14200 bored systqmp 95084 362224 0 0 3 0x14200 bored systq 96142 501523 0 0 3 0x40014200 bored softclock 84644 21355 0 0 3 0x40014200 idle0 1 171276 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks CPU 0: exclusive mutex &table->inpt_mtx r = 0 (0xffffffff82a900b0) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 rip6_input+0x1cf #4 icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 #5 ip_deliver+0x322 sys/netinet/ip_input.c:657 #6 ip6_input_if+0xe95 #7 ipv6_input+0x48 sys/netinet6/ip6_input.c:169 #8 if_input_local+0x136 sys/net/if.c:778 #9 loinput+0x4c sys/net/if_loop.c:238 #10 if_input_process+0xd2 sys/net/if.c:843 #11 ifiq_process+0x80 sys/net/ifq.c:773 #12 taskq_thread+0xe5 sys/kern/kern_task.c:449 #13 proc_trampoline+0x1c CPU 1: exclusive mutex vmmpepl r = 0 (0xffffffff82b4b730) #0 witness_lock+0x44d #1 mtx_enter_try+0x100 #2 mtx_enter+0x4b sys/kern/kern_lock.c:266 #3 pool_put+0x8a sys/kern/subr_pool.c:799 #4 uvm_unmap_detach+0xee sys/uvm/uvm_map.c:1596 #5 uvm_map_teardown+0x262 sys/uvm/uvm_map.c:2789 #6 uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 #7 reaper+0x18b sys/kern/kern_exit.c:457 #8 proc_trampoline+0x1c Process 19136 (syz-executor.4) thread 0xffff8000ffff62b0 (293515) exclusive rrwlock inode r = 0 (0xfffffd80776bc0a8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_mkdir+0xf4 sys/ufs/ufs/ufs_vnops.c:1162 #8 VOP_MKDIR+0xbf sys/kern/vfs_vops.c:404 #9 domkdirat+0x121 sys/kern/vfs_syscalls.c:3101 #10 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #10 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f6c73d0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domkdirat+0x75 sys/kern/vfs_syscalls.c:3086 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 Process 85721 (syz-executor.6) thread 0xffff8000260c6548 (36800) exclusive rrwlock inode r = 0 (0xfffffd80776bc708) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 uvm_vnp_uncache+0x112 sys/uvm/uvm_vnode.c:1384 #6 dounlinkat+0xf2 sys/kern/vfs_syscalls.c:1886 #7 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #7 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #8 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80776bc3d8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vget+0x1d3 sys/kern/vfs_subr.c:677 #6 cache_lookup+0x2b4 sys/kern/vfs_cache.c:224 #7 ufs_lookup+0x1ac sys/ufs/ufs/ufs_lookup.c:162 #8 VOP_LOOKUP+0x58 sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6e5 sys/kern/vfs_lookup.c:561 #10 namei+0x36a sys/kern/vfs_lookup.c:245 #11 dounlinkat+0x99 sys/kern/vfs_syscalls.c:1850 #12 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #12 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #13 Xsyscall+0x128 Process 85701 (softnet) thread 0xffff8000210f87e0 (217452) exclusive rwlock netlock r = 0 (0xffffffff828f7720) #0 witness_lock+0x44d #1 if_input_process+0xa1 sys/net/if.c:843 #2 ifiq_process+0x80 sys/net/ifq.c:773 #3 taskq_thread+0xe5 sys/kern/kern_task.c:449 #4 proc_trampoline+0x1c shared rwlock softnet r = 0 (0xffff80000002c070) #0 witness_lock+0x44d #1 taskq_thread+0xca sys/kern/kern_task.c:445 #2 proc_trampoline+0x1c ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10199 6558K 6877K 78643K 14250 0 pcb 15 15K 16K 78643K 295 0 rtable 244 11K 12K 78643K 779 0 ifaddr 98 20K 21K 78643K 724 0 sysctl 2 0K 0K 78643K 5 0 counters 56 35K 35K 78643K 96 0 ioctlops 0 0K 4K 78643K 2667 0 iov 0 0K 16K 78643K 255 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1299 81K 82K 78643K 2187 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 19 0 VM map 2 1K 1K 78643K 2 0 sem 29 3K 5K 78643K 285 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 11 37K 81K 78643K 3614 0 sigio 0 0K 0K 78643K 10 0 proc 70 87K 111K 78643K 687 0 subproc 104 6K 6K 78643K 143 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 51 0 in_multi 96 6K 6K 78643K 195 0 ether_multi 1 0K 0K 78643K 22 0 mrt 2 0K 0K 78643K 16 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 157 705K 705K 78643K 157 0 exec 0 0K 2K 78643K 882 0 pfkey data 0 0K 0K 78643K 5 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 347 218K 220K 78643K 48012 0 UVM aobj 62 6K 6K 78643K 65 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 161 0 NDP 13 0K 1K 78643K 59 0 temp 138 4719K 4843K 78643K 24313 0 kqueue 12 18K 26K 78643K 175 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 129 0 126 2 1 1 2 0 8 0 rtentry 112 210 0 105 4 0 4 4 0 8 0 unpcb 136 6766 0 6748 41 38 3 9 0 8 2 syncache 296 16 0 16 5 5 0 1 0 8 0 tcpqe 32 66 0 66 3 3 0 1 0 8 0 tcpcb 736 885 0 879 50 46 4 19 0 8 3 arp 120 28 0 9 1 0 1 1 0 8 0 inpcb 312 7594 0 7581 62 56 6 12 0 8 5 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 38 0 14 1 0 1 1 0 8 0 pkpcb 40 15 0 15 2 2 0 1 0 8 0 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1248 4 0 4 2 2 0 1 0 8 0 pfstscr 40 3 0 3 1 1 0 1 0 8 0 pffrag 232 8 0 8 1 1 0 1 0 482 0 pffrnode 88 8 0 8 1 1 0 1 0 8 0 pffrent 40 64 0 64 2 2 0 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 39 0 34 1 0 1 1 0 8 0 pftag 88 5 0 2 1 0 1 1 0 8 0 pfstitem 24 50 0 48 1 0 1 1 0 8 0 pfstkey 112 60 0 58 2 1 1 2 0 8 0 pfstate 320 55 0 53 4 3 1 4 0 8 0 pfrule 1360 247 0 210 8 4 4 4 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 886 0 458 33 4 29 30 0 8 0 art_table 32 887 0 458 4 0 4 4 0 8 0 art_node 16 206 0 114 1 0 1 1 0 8 0 sysvmsgpl 40 39 0 36 1 0 1 1 0 8 0 semapl 112 277 0 250 1 0 1 1 0 8 0 shmpl 112 62 0 3 2 0 2 2 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 5712 0 4270 91 0 91 91 0 8 0 ffsino 272 5712 0 4270 97 0 97 97 0 8 0 nchpl 144 10395 0 8766 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 32515 0 32514 5 4 1 2 0 8 0 percpumem 16 60 0 20 1 0 1 1 0 8 0 vcpupl 2048 11 0 0 2 0 2 2 0 8 0 vmpool 560 16 0 5 2 1 1 1 0 8 0 pfiaddrpl 120 18 0 8 2 1 1 1 0 8 0 scxspl 216 33746 0 33744 17 14 3 8 0 8 2 plimitpl 152 261 0 245 1 0 1 1 0 8 0 sigapl 424 3931 0 3868 8 0 8 8 0 8 0 futexpl 64 32897 0 32897 6 5 1 1 0 8 1 knotepl 120 488 0 0 12 1 11 11 0 8 0 kqueuepl 216 686 0 678 12 11 1 5 0 8 0 pipepl 336 636 0 608 26 23 3 8 0 8 0 fdescpl 496 3896 0 3872 5 0 5 5 0 8 0 filepl 152 28799 0 28551 81 66 15 25 0 8 5 lockfpl 104 628 0 626 1 0 1 1 0 8 0 lockfspl 48 254 0 252 1 0 1 1 0 8 0 sessionpl 144 28 0 11 1 0 1 1 0 8 0 pgrppl 48 103 0 86 1 0 1 1 0 8 0 ucredpl 96 1997 0 1985 1 0 1 1 0 8 0 zombiepl 144 3872 0 3868 1 0 1 1 0 8 0 processpl 1064 3931 0 3868 5 0 5 5 0 8 0 procpl 672 10855 0 10780 12 3 9 9 0 8 1 srpgc 96 6 0 6 2 2 0 1 0 8 0 sosppl 168 28 0 28 4 4 0 1 0 8 0 sockpl 480 14504 0 14470 359 346 13 35 0 8 7 mcl64k 65536 25 0 0 3 0 3 3 0 8 0 mcl16k 16384 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 25 0 0 3 0 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 258 0 0 19 2 17 19 0 8 0 mtagpl 96 407 0 0 9 0 9 9 0 8 0 mbufpl 256 831 0 0 48 2 46 46 0 8 0 bufpl 288 8614 0 2278 453 0 453 453 0 8 0 anonpl 24 1152360 0 1132549 300 124 176 199 0 186 45 amapchunkpl 152 117654 0 116852 78 38 40 66 0 158 4 amappl16 200 12777 0 12143 122 80 42 60 0 8 8 amappl15 192 530 0 524 1 0 1 1 0 8 0 amappl14 184 46 0 41 1 0 1 1 0 8 0 amappl13 176 544 0 538 1 0 1 1 0 8 0 amappl12 168 1015 0 1009 1 0 1 1 0 8 0 amappl11 160 522 0 507 1 0 1 1 0 8 0 amappl10 152 506 0 500 1 0 1 1 0 8 0 amappl9 144 475 0 473 1 0 1 1 0 8 0 amappl8 136 1346 0 1272 3 0 3 3 0 8 0 amappl7 128 782 0 768 1 0 1 1 0 8 0 amappl6 120 217 0 194 2 1 1 2 0 8 0 amappl5 112 2494 0 2479 1 0 1 1 0 8 0 amappl4 104 1904 0 1870 2 1 1 2 0 8 0 amappl3 96 1814 0 1798 1 0 1 1 0 8 0 amappl2 88 2030 0 1977 3 1 2 3 0 8 0 amappl1 80 73464 0 72924 21 7 14 19 0 8 0 amappl 88 47424 0 47187 7 0 7 7 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 128 253 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 64 0 3 2 0 2 2 0 8 0 uaddrrnd 24 3912 0 3875 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3912 0 3875 1 0 1 1 0 8 0 vmmpekpl 168 34055 0 33999 3 0 3 3 0 8 0 vmmpepl 168 356854 0 354425 191 49 142 143 0 357 21 vmsppl 368 3911 0 3875 5 1 4 4 0 8 0 rwobjpl 56 95601 0 87996 120 4 116 116 0 8 6 pdppl 4096 7831 0 7761 215 135 80 80 0 8 10 pvpl 32 1962703 0 1939729 477 211 266 332 0 265 63 pmappl 248 3911 0 3875 4 1 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1132 0 279 25 0 25 25 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,20) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,20) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,20) at comcnputc+0x128 sys/dev/ic/com.c:1263 cnputc(20) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(63) at db_putchar+0x34a db_force_whitespace sys/ddb/db_output.c:96 [inline] db_putchar(63) at db_putchar+0x34a sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502 panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8076b23340) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8076b23340) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8076b23228) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 end trace frame: 0xffff800021117800, count: 0 ddb{0}> trace x86_ipi_db(ffffffff8294dff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 x86_bus_space_io_write_1(3f8,0,20) at x86_bus_space_io_write_1+0x31 sys/arch/amd64/amd64/bus_space.c:759 comcnputc(800,20) at comcnputc+0x128 bus_space_barrier machine/bus.h:481 [inline] comcnputc(800,20) at comcnputc+0x128 sys/dev/ic/com.c:1263 cnputc(20) at cnputc+0x4b sys/dev/cons.c:239 db_putchar(63) at db_putchar+0x34a db_force_whitespace sys/ddb/db_output.c:96 [inline] db_putchar(63) at db_putchar+0x34a sys/ddb/db_output.c:153 kprintf() at kprintf+0x20ec sys/kern/subr_prf.c:1068 db_printf(ffffffff82608896) at db_printf+0x85 sys/kern/subr_prf.c:502 panic(ffffffff825a56b6) at panic+0xd7 sys/kern/subr_prf.c:220 witness_checkorder(ffffffff82b47030,9,0) at witness_checkorder+0x116d sys/kern/subr_witness.c:833 __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 read_rflags machine/cpufunc.h:195 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 intr_disable machine/cpufunc.h:216 [inline] __mp_lock(ffffffff82b46e28) at __mp_lock+0xa1 sys/kern/kern_lock.c:142 selwakeup(fffffd8076b23340) at selwakeup+0x16 klist_empty sys/sys/event.h:361 [inline] selwakeup(fffffd8076b23340) at selwakeup+0x16 sys/kern/sys_generic.c:885 sorwakeup(fffffd8076b23228) at sorwakeup+0xc9 sys/kern/uipc_socket.c:1699 rip6_input(ffff800021117b08,ffff800021117b14,3a,18) at rip6_input+0x692 sys/netinet6/raw_ip6.c:224 icmp6_input(ffff800021117b08,ffff800021117b14,3a,18) at icmp6_input+0x8e8 sys/netinet6/icmp6.c:762 ip_deliver(ffff800021117b08,ffff800021117b14,3a,18) at ip_deliver+0x322 sys/netinet/ip_input.c:657 ip6_input_if(ffff800021117b08,ffff800021117b14,29,0,ffff800000689000) at ip6_input_if+0xe95 ipv6_input(ffff800000689000,fffffd80680c7800) at ipv6_input+0x48 sys/netinet6/ip6_input.c:169 if_input_local(ffff800000689000,fffffd80680c7800,18) at if_input_local+0x136 sys/net/if.c:778 loinput(ffff800000689000,fffffd80680c7800) at loinput+0x4c sys/net/if_loop.c:238 if_input_process(ffff800000689000,ffff800021117c48) at if_input_process+0xd2 sys/net/if.c:843 ifiq_process(ffff800000689450) at ifiq_process+0x80 sys/net/ifq.c:773 taskq_thread(ffff80000002c000) at taskq_thread+0xe5 sys/kern/kern_task.c:449 end trace frame: 0x0, count: -24 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd80679b3300) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd80679b3300) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: 9 ddb{1}> trace db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:440 panic(ffffffff8258f849) at panic+0x177 sys/kern/subr_prf.c:202 __assert(ffffffff826021d1,ffffffff826102ef,aae,ffffffff825c283e) at __assert+0x25 sys/kern/subr_prf.c:161 uvm_map_teardown(fffffd80679b3300) at uvm_map_teardown+0x2e8 sys/uvm/uvm_map.c:2736 uvmspace_free(fffffd80679b3300) at uvmspace_free+0xa6 sys/uvm/uvm_map.c:3685 reaper(ffff8000210f9a40) at reaper+0x18b sys/kern/kern_exit.c:457 end trace frame: 0x0, count: -6