panic: rw_enter: unix locking against myself Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 49454 57786 0 0 0 0 syz-executor.5 *476651 57786 0 0 0x4000000 1K syz-executor.5 db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198 rw_enter(ffff800000e834a0,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000e834a0,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800000e84000) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800000e84000) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000e83498,ffff800000e84000) at unp_connect2+0xca unp_connect(ffff800000e83498,fffffd806885d600,ffff80002a2347f0) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a2347f0,ffff80002a26a1f0,ffff80002a26a140) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a26a1f0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a26a1f0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc738120ce40, count: 6 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: rw_enter: unix locking against myself ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198 rw_enter(ffff800000e834a0,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000e834a0,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800000e84000) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800000e84000) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000e83498,ffff800000e84000) at unp_connect2+0xca unp_connect(ffff800000e83498,fffffd806885d600,ffff80002a2347f0) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a2347f0,ffff80002a26a1f0,ffff80002a26a140) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a26a1f0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a26a1f0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc738120ce40, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a269d60 rbx 0xffff800029ceccb7 rdx 0 rcx 0xffff80002a2347f0 rax 0xffff800029cebff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x500f3aaada61d459 r11 0xcb97a12a07e094de r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff823f13fc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a269d50 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.5) tid=476651 pid=57786 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a234548,0xffff80002a233ab8 process=0xffff80002e530d80 user=0xffff80002a265000, vmspace=0xfffffd8065c03e10 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 57786 49454 5386 0 7 0 syz-executor.5 *57786 476651 5386 0 7 0x4000000 syz-executor.5 57786 360835 5386 0 3 0x4000080 fsleep syz-executor.5 69063 266546 22047 0 3 0x80 nanoslp syz-executor.0 69063 436818 22047 0 3 0x4000080 kqread syz-executor.0 69063 348318 22047 0 3 0x4000080 fsleep syz-executor.0 32156 306590 85141 0 3 0x82 nanoslp syz-executor.6 58262 4265 0 0 3 0x14200 acct acct 96459 424901 85141 0 3 0x2 biowait syz-executor.3 5386 325982 85141 0 3 0x82 nanoslp syz-executor.5 35507 397573 85141 0 3 0x82 nanoslp syz-executor.4 919 69859 85141 0 3 0x2 biowait syz-executor.7 10275 436416 1 0 3 0x100083 ttyin getty 88723 374506 85141 0 3 0x82 nanoslp syz-executor.2 22047 261461 85141 0 3 0x82 nanoslp syz-executor.0 12422 382361 0 0 3 0x14200 bored sosplice 85141 167057 20929 0 3 0x2000082 wait syz-fuzzer 85141 72932 20929 0 3 0x6000082 nanoslp syz-fuzzer 85141 315699 20929 0 3 0x6000082 thrsleep syz-fuzzer 85141 322732 20929 0 3 0x6000082 thrsleep syz-fuzzer 85141 77568 20929 0 3 0x6000082 kqread syz-fuzzer 85141 102485 20929 0 3 0x6000082 thrsleep syz-fuzzer 85141 399472 20929 0 3 0x6000082 wait syz-fuzzer 85141 455259 20929 0 3 0x6000082 wait syz-fuzzer 85141 521187 20929 0 3 0x6000082 thrsleep syz-fuzzer 85141 175589 20929 0 3 0x6000082 thrsleep syz-fuzzer 85141 365502 20929 0 3 0x6000082 thrsleep syz-fuzzer 85141 291947 20929 0 3 0x6000082 wait syz-fuzzer 85141 12623 20929 0 3 0x6000082 wait syz-fuzzer 85141 427831 20929 0 3 0x6000082 wait syz-fuzzer 85141 368787 20929 0 3 0x6000082 wait syz-fuzzer 85141 15168 20929 0 3 0x6000082 thrsleep syz-fuzzer 20929 513876 49354 0 3 0x10008a sigsusp ksh 49354 417799 33652 0 3 0x9a kqread sshd 33652 260260 1 0 3 0x88 kqread sshd 19786 75358 82973 74 3 0x1100092 bpf pflogd 82973 486346 1 0 3 0x80 netio pflogd 80425 278294 79942 73 3 0x1100090 kqread syslogd 79942 257922 1 0 3 0x100082 netio syslogd 82501 498477 1 0 3 0x100080 kqread resolvd 77971 228745 62388 77 3 0x100092 kqread dhcpleased 80996 149665 62388 77 3 0x100092 kqread dhcpleased 62388 358766 1 0 3 0x80 kqread dhcpleased 9771 54806 0 0 3 0x14200 bored smr 29738 313221 0 0 2 0x14200 zerothread 84966 75540 0 0 3 0x14200 aiodoned aiodoned 6790 179256 0 0 3 0x14200 syncer update 26387 475168 0 0 3 0x14200 cleaner cleaner 67867 502103 0 0 3 0x14200 reaper reaper 40045 253075 0 0 3 0x14200 pgdaemon pagedaemon 40260 147242 0 0 3 0x14200 bored viomb 57153 226925 0 0 3 0x40014200 acpi0 acpi0 47924 205588 0 0 3 0x40014200 idle1 36687 215621 0 0 3 0x14200 bored softnet3 46742 440105 0 0 3 0x14200 bored softnet2 35494 347597 0 0 3 0x14200 bored softnet1 2038 102479 0 0 3 0x14200 bored softnet0 68483 38591 0 0 3 0x14200 bored systqmp 35380 503265 0 0 3 0x14200 bored systq 83112 225236 0 0 3 0x14200 tmoslp softclockmp 22850 121169 0 0 3 0x40014200 tmoslp softclock 46159 147121 0 0 3 0x40014200 idle0 1 457275 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 57786 (syz-executor.5) thread 0xffff80002a2347f0 (476651) exclusive rwlock unix r = 0 (0xffff800000e834b0) #0 witness_lock+0x447 #1 solock_pair+0x9f solock sys/kern/uipc_socket2.c:356 [inline] #1 solock_pair+0x9f sys/kern/uipc_socket2.c:406 #2 unp_connect+0x395 sys/kern/uipc_usrreq.c:880 #3 sys_connect+0x207 sys/kern/uipc_syscalls.c:422 #4 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #4 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066e9b708) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1188 sys/ufs/ufs/ufs_lookup.c:573 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 unp_connect+0x1ce sys/kern/uipc_usrreq.c:841 #13 sys_connect+0x207 sys/kern/uipc_syscalls.c:422 #14 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #14 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #15 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e2a1d0) #0 witness_lock+0x447 #1 unp_connect+0x1c6 sys/kern/uipc_usrreq.c:841 #2 sys_connect+0x207 sys/kern/uipc_syscalls.c:422 #3 syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] #3 syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 96459 (syz-executor.3) thread 0xffff80002a233008 (424901) exclusive rrwlock inode r = 0 (0xfffffd8075f1c4e0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 ufs_ihashins+0x46 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1c5 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xfb sys/ufs/ufs/ufs_vnops.c:1127 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3069 #10 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #10 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8066e9b3d8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3054 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 919 (syz-executor.7) thread 0xffff80002a217aa8 (69859) exclusive rrwlock inode r = 0 (0xfffffd8075d2c4e0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x1323 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #13 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e36f3c8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x533 mi_syscall sys/sys/syscall_mi.h:183 [inline] #8 syscall+0x533 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10207 6566K 7328K 166960K 31099 0 pcb 16 18K 23K 166960K 680 0 rtable 197 14K 16K 166960K 1620 0 pf 32 9K 10K 166960K 171 0 ifaddr 40 15K 17K 166960K 193 0 ifgroup 55 2K 2K 166960K 273 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 182 0 ioctlops 0 0K 4K 166960K 1713 0 iov 0 0K 32K 166960K 833 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1425 89K 90K 166960K 7183 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 75 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 1344 0 dirhash 12 2K 2K 166960K 72 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 11 37K 85K 166960K 8819 0 sigio 0 0K 0K 166960K 435 0 proc 76 91K 128K 166960K 1492 0 subproc 91 5K 6K 166960K 403 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 551 0 in_multi 77 5K 7K 166960K 460 0 ether_multi 1 0K 0K 166960K 18 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 103 466K 466K 166960K 103 0 exec 0 0K 1K 166960K 1246 0 pfkey data 0 0K 0K 166960K 11 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 399 230K 247K 166960K 87819 0 UVM aobj 21 2K 2K 166960K 24 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 283 0 NDP 12 0K 1K 166960K 135 0 temp 70 6771K 6904K 166960K 76250 0 kqueue 14 20K 26K 166960K 555 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 646 0 643 9 6 3 3 0 8 2 rtentry 112 482 0 395 4 0 4 4 0 8 0 unpcb 144 5202 0 5184 51 48 3 6 0 8 2 syncache 336 72 0 72 14 13 1 1 0 8 1 sackhl 24 5 0 5 1 1 0 1 0 8 0 tcpqe 32 222 0 222 12 12 0 1 0 8 0 tcpcb 808 2309 0 2300 67 61 6 9 0 8 4 arp 120 91 0 77 1 0 1 1 0 8 0 inpcb 392 6288 0 6275 137 130 7 21 0 8 4 nd6 136 102 0 83 1 0 1 1 0 8 0 pkpcb 40 42 0 42 9 9 0 1 0 8 0 kcovpl 48 31 0 24 1 0 1 1 0 8 0 ppxss 1168 15 0 15 5 5 0 1 0 8 0 pffrag 232 60 0 56 3 2 1 1 0 482 0 pffrnode 88 58 0 54 3 2 1 1 0 8 0 pffrent 40 142 0 138 3 2 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 pfstitem 24 250 0 230 1 0 1 1 0 8 0 pfstkey 128 250 0 230 3 1 2 2 0 8 0 pfstate 376 250 0 230 10 6 4 6 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 3 0 2 2 1 1 2 0 8 0 art_heap4 256 1684 0 1307 48 18 30 31 0 8 0 art_table 32 1687 0 1309 4 0 4 4 0 8 0 art_node 16 475 0 397 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 5 1 0 1 1 0 8 0 semapl 112 1340 0 1330 1 0 1 1 0 8 0 shmpl 112 21 0 3 1 0 1 1 0 8 0 dirhash 1024 57 0 40 3 0 3 3 0 8 0 dino2pl 256 13011 0 11545 93 0 93 93 0 8 0 ffsino 272 13011 0 11545 99 0 99 99 0 8 0 nchpl 144 24459 0 22811 64 0 64 64 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 85018 0 85017 6 5 1 2 0 8 0 percpumem 16 105 0 59 1 0 1 1 0 8 0 vcpupl 2048 66 0 1 9 0 9 9 0 8 0 vmpool 696 80 0 15 6 0 6 6 0 8 0 kstatmem 264 142 0 118 2 0 2 2 0 8 0 scxspl 216 72999 0 72997 24 21 3 8 1 8 2 plimitpl 152 1081 0 1066 1 0 1 1 0 8 0 sigapl 424 9149 0 9102 10 2 8 9 0 8 0 futexpl 64 71324 0 71322 1 0 1 1 0 8 0 knotepl 120 492 0 0 11 0 11 11 0 8 0 kqueuepl 216 1121 0 1111 17 16 1 5 0 8 0 pipepl 320 1294 0 1269 35 32 3 10 0 8 0 fdescpl 496 9084 0 9060 8 4 4 5 0 8 0 filepl 152 49251 0 49027 84 70 14 19 0 8 3 lockfpl 104 2768 0 2766 7 6 1 2 0 8 0 lockfspl 48 894 0 892 1 0 1 1 0 8 0 sessionpl 144 54 0 38 1 0 1 1 0 8 0 pgrppl 48 236 0 220 1 0 1 1 0 8 0 ucredpl 104 8968 0 8953 1 0 1 1 0 8 0 zombiepl 144 9105 0 9102 1 0 1 1 0 8 0 processpl 1136 9149 0 9102 7 2 5 6 0 8 0 procpl 680 24440 0 24374 14 6 8 9 0 8 0 srpgc 96 38 0 38 10 9 1 1 0 8 1 sosppl 168 86 0 84 1 0 1 1 0 8 0 sockpl 584 12199 0 12163 131 123 8 17 0 8 4 mcl64k 65536 24 0 0 3 1 2 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 18 0 0 2 0 2 2 0 8 0 mcl9k 9216 14 0 0 1 0 1 1 0 8 0 mcl8k 8192 33 0 0 4 1 3 4 0 8 0 mcl4k 4096 26 0 0 3 0 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 498 0 0 38 11 27 32 0 8 0 mtagpl 96 639 0 0 10 1 9 9 0 8 0 mbufpl 256 3820 0 0 231 0 231 231 0 8 0 bufpl 280 16821 0 10503 452 0 452 452 0 8 0 anonpl 24 992628 0 979921 252 146 106 178 0 186 0 amapchunkpl 152 277702 0 276921 105 66 39 66 0 158 1 amappl16 200 19283 0 18760 99 63 36 41 0 8 0 amappl15 192 55 0 54 1 0 1 1 0 8 0 amappl14 184 316 0 300 2 1 1 2 0 8 0 amappl13 176 17 0 16 2 1 1 1 0 8 0 amappl12 168 10102 0 10076 3 1 2 2 0 8 0 amappl11 160 151 0 137 1 0 1 1 0 8 0 amappl10 152 72 0 58 1 0 1 1 0 8 0 amappl9 144 238 0 238 6 5 1 1 0 8 1 amappl8 136 567 0 445 5 0 5 5 0 8 0 amappl7 128 263 0 234 3 1 2 3 0 8 0 amappl6 120 655 0 634 1 0 1 1 0 8 0 amappl5 112 300 0 288 1 0 1 1 0 8 0 amappl4 104 724 0 692 2 1 1 2 0 8 0 amappl3 96 54496 0 54425 4 1 3 3 0 8 0 amappl2 88 9954 0 9874 3 1 2 3 0 8 0 amappl1 80 42138 0 41590 25 12 13 23 0 8 0 amappl 88 86840 0 86617 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 23 0 3 1 0 1 1 0 8 0 uaddrrnd 24 9165 0 9076 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 9165 0 9076 1 0 1 1 0 8 0 vmmpekpl 168 67827 0 67748 5 0 5 5 0 8 0 vmmpepl 168 557553 0 555175 324 183 141 153 0 357 9 vmsppl 448 9164 0 9076 12 1 11 11 0 8 0 rwobjpl 56 140796 0 133182 119 8 111 111 0 8 0 pdppl 4096 18337 0 18217 562 431 131 132 0 8 11 pvpl 32 43470 0 0 351 0 351 351 0 265 0 pmappl 248 9164 0 9076 6 0 6 6 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1350 0 679 20 0 20 20 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffffffff82d27ff0) at x86_ipi_db+0x1e 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+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:154 intr_handler(ffff80002a260350,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f end of kernel end trace frame: 0x77d66c0afa40, count: 9 ddb{0}> trace x86_ipi_db(ffffffff82d27ff0) at x86_ipi_db+0x1e 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+0x27 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xb sys/dev/kcov.c:154 intr_handler(ffff80002a260350,ffff80000067b300) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge26_untramp() at Xintr_ioapic_edge26_untramp+0x18f end of kernel end trace frame: 0x77d66c0afa40, count: -6 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198 rw_enter(ffff800000e834a0,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000e834a0,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800000e84000) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800000e84000) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000e83498,ffff800000e84000) at unp_connect2+0xca unp_connect(ffff800000e83498,fffffd806885d600,ffff80002a2347f0) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a2347f0,ffff80002a26a1f0,ffff80002a26a140) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a26a1f0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a26a1f0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc738120ce40, count: 6 ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff828f78a3) at panic+0x17b sys/kern/subr_prf.c:198 rw_enter(ffff800000e834a0,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000e834a0,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800000e84000) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800000e84000) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000e83498,ffff800000e84000) at unp_connect2+0xca unp_connect(ffff800000e83498,fffffd806885d600,ffff80002a2347f0) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a2347f0,ffff80002a26a1f0,ffff80002a26a140) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a26a1f0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a26a1f0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc738120ce40, count: -9