panic: rw_enter: unix locking against myself Stopped at db_enter+0x1c: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 82205 22220 0 0 0x4000000 1 syz-executor2871825532 498541 23923 0 0x14000 0x200 0 zerothread 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(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc2ec244420, 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(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc2ec244420, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a228910 rbx 0xffff800029ceccb7 rdx 0x3fd rcx 0 rax 0x2d r8 0x101010101010101 r9 0x8080808080808080 r10 0x647b3d02a9b05424 r11 0x9abb9ef9f4e4974a r12 0xffff800029cecab8 r13 0 r14 0 r15 0x1 rip 0xffffffff823f13fc db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002a228900 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor2871825532) tid=82205 pid=22220 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=61, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a18cd58,0xffff80002a18cac0 process=0xffff8000ffff3558 user=0xffff80002a223000, vmspace=0xfffffd806c9671d8 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 85411 156482 9295 0 3 0x80 nanoslp syz-executor2871825532 85411 386132 9295 0 3 0x4000080 fsleep syz-executor2871825532 85411 74628 9295 0 3 0x4000080 fsleep syz-executor2871825532 22220 330704 59423 0 2 0 syz-executor2871825532 *22220 82205 59423 0 7 0x4000000 syz-executor2871825532 22220 38179 59423 0 3 0x4000080 fsleep syz-executor2871825532 9073 384322 44116 0 3 0 getblk syz-executor2871825532 17962 383888 44116 0 3 0x80 nanoslp syz-executor2871825532 73534 504963 44116 0 3 0x80 nanoslp syz-executor2871825532 9295 143697 44116 0 3 0x80 nanoslp syz-executor2871825532 56243 124855 44116 0 3 0x80 nanoslp syz-executor2871825532 22001 60714 44116 0 3 0 biowait syz-executor2871825532 59423 158805 44116 0 3 0x80 nanoslp syz-executor2871825532 30412 406836 44116 0 3 0 biowait syz-executor2871825532 44116 162554 77518 0 3 0x82 nanoslp syz-executor2871825532 77518 237839 60754 0 3 0x10008a sigsusp ksh 60754 132750 14797 0 3 0x9a kqread sshd 74692 230222 1 0 3 0x100083 ttyin getty 14797 256383 1 0 3 0x88 kqread sshd 32991 376975 17201 74 3 0x1100092 bpf pflogd 17201 511235 1 0 3 0x80 netio pflogd 68386 206040 95283 73 3 0x1100090 kqread syslogd 95283 433649 1 0 3 0x100082 netio syslogd 84821 90553 1 0 3 0x100080 kqread resolvd 35658 428926 78308 77 3 0x100092 kqread dhcpleased 4725 343287 78308 77 3 0x100092 kqread dhcpleased 78308 13230 1 0 3 0x80 kqread dhcpleased 47909 507256 0 0 3 0x14200 bored smr 23923 498541 0 0 7 0x14200 zerothread 75613 303870 0 0 3 0x14200 aiodoned aiodoned 46602 395693 0 0 3 0x14200 syncer update 53450 75047 0 0 3 0x14200 cleaner cleaner 88410 272600 0 0 3 0x14200 reaper reaper 42642 205153 0 0 3 0x14200 pgdaemon pagedaemon 4408 326106 0 0 3 0x14200 bored viomb 20400 192813 0 0 3 0x40014200 acpi0 acpi0 51850 373139 0 0 3 0x40014200 idle1 47567 181743 0 0 3 0x14200 bored softnet3 60095 219428 0 0 3 0x14200 bored softnet2 41177 251432 0 0 3 0x14200 bored softnet1 12163 102466 0 0 3 0x14200 bored softnet0 78785 345887 0 0 3 0x14200 bored systqmp 57258 501586 0 0 3 0x14200 bored systq 43848 192539 0 0 3 0x14200 tmoslp softclockmp 52886 139463 0 0 3 0x40014200 tmoslp softclock 6471 344480 0 0 3 0x40014200 idle0 1 218568 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 22220 (syz-executor2871825532) thread 0xffff80002a18c560 (82205) exclusive rwlock unix r = 0 (0xffff800000d9e930) #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 (0xfffffd806cc6a920) #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 9073 (syz-executor2871825532) thread 0xffff80002a188800 (384322) exclusive rrwlock inode r = 0 (0xfffffd806cc6a700) #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 (0xfffffd806d5f51a8) #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 Process 22001 (syz-executor2871825532) thread 0xffff80002a1872c0 (60714) exclusive rrwlock inode r = 0 (0xfffffd806cc6ad60) #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 (0xfffffd806d5f5d58) #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 30412 (syz-executor2871825532) thread 0xffff80002a187568 (406836) exclusive rrwlock inode r = 0 (0xfffffd806cc6a3d0) #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 (0xfffffd807e914d58) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10155 6455K 6456K 166960K 11233 0 pcb 15 10K 10K 166960K 15 0 rtable 58 1K 2K 166960K 116 0 pf 15 6K 10K 166960K 26 0 ifaddr 13 9K 9K 166960K 13 0 ifgroup 22 1K 1K 166960K 22 0 counters 48 34K 34K 166960K 48 0 ioctlops 0 0K 4K 166960K 1475 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1176 74K 74K 166960K 1192 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 1 0K 0K 166960K 1 0 proc 67 91K 91K 166960K 302 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 11 0K 0K 166960K 11 0 ether_multi 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 272 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 151 7K 8K 166960K 4380 0 UVM aobj 3 2K 2K 166960K 3 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 NDP 4 0K 0K 166960K 4 0 temp 1 6756K 6820K 166960K 3663 0 kqueue 11 16K 18K 166960K 24 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 21 0 18 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 144 570 0 550 1 0 1 1 0 8 0 syncache 336 5 0 5 1 0 1 1 0 8 1 tcpqe 32 99 0 99 1 1 0 1 0 8 0 tcpcb 808 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 392 33 0 27 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 pfstitem 24 9 0 0 1 0 1 1 0 8 0 pfstkey 128 9 0 0 1 0 1 1 0 8 0 pfstate 376 9 0 0 1 0 1 1 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1956 0 541 89 0 89 89 0 8 0 ffsino 272 1956 0 541 95 0 95 95 0 8 0 nchpl 144 2692 0 1104 60 0 60 60 0 8 0 uvmvnodes 80 1970 0 0 41 0 41 41 0 8 0 vnodes 216 1970 0 0 110 0 110 110 0 8 0 namei 1024 6468 0 6466 2 0 2 2 0 8 1 percpumem 16 38 0 0 1 0 1 1 0 8 0 kstatmem 264 8 0 0 1 0 1 1 0 8 0 scxspl 216 7749 0 7747 3 1 2 2 1 8 1 plimitpl 152 17 0 10 1 0 1 1 0 8 0 sigapl 424 616 0 570 6 0 6 6 0 8 0 futexpl 64 1778 0 1775 1 0 1 1 0 8 0 knotepl 120 42 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 320 95 0 92 1 0 1 1 0 8 0 fdescpl 496 598 0 571 4 0 4 4 0 8 0 filepl 152 2077 0 2015 3 0 3 3 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 104 71 0 59 1 0 1 1 0 8 0 zombiepl 144 573 0 570 1 0 1 1 0 8 0 processpl 1136 616 0 570 4 0 4 4 0 8 0 procpl 680 1125 0 1075 6 0 6 6 0 8 1 sockpl 584 624 0 595 3 0 3 3 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 291 0 0 37 0 37 37 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 309 0 0 20 0 20 20 0 8 0 bufpl 280 2856 0 90 198 0 198 198 0 8 0 anonpl 24 202214 0 199862 25 2 23 25 0 186 8 amapchunkpl 152 14485 0 14185 14 0 14 14 0 158 2 amappl16 200 5698 0 5686 5 2 3 5 0 8 2 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 121 0 110 1 0 1 1 0 8 0 amappl13 176 17 0 17 1 1 0 1 0 8 0 amappl12 168 1150 0 1124 2 0 2 2 0 8 0 amappl11 160 123 0 109 1 0 1 1 0 8 0 amappl10 152 8 0 8 1 0 1 1 0 8 1 amappl9 144 224 0 224 1 0 1 1 0 8 1 amappl8 136 43 0 41 1 0 1 1 0 8 0 amappl7 128 381 0 356 1 0 1 1 0 8 0 amappl6 120 126 0 121 1 0 1 1 0 8 0 amappl5 112 100 0 89 1 0 1 1 0 8 0 amappl4 104 364 0 343 1 0 1 1 0 8 0 amappl3 96 3448 0 3375 3 0 3 3 0 8 1 amappl2 88 646 0 591 2 0 2 2 0 8 0 amappl1 80 10386 0 9874 12 0 12 12 0 8 0 amappl 88 4066 0 3962 3 0 3 3 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 598 0 571 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 598 0 571 1 0 1 1 0 8 0 vmmpekpl 168 9114 0 9099 1 0 1 1 0 8 0 vmmpepl 168 46338 0 44956 72 5 67 67 0 357 5 vmsppl 448 597 0 571 4 0 4 4 0 8 0 rwobjpl 56 21952 0 19196 40 1 39 39 0 8 0 pdppl 4096 1203 0 1142 87 18 69 69 0 8 8 pvpl 32 6989 0 0 57 0 57 57 0 265 0 pmappl 248 597 0 571 2 0 2 2 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 361 0 20 10 0 10 10 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 __mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 sys/kern/kern_lock.c:147 intr_handler(ffff80002a16acb0,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 sys/dev/kcov.c:235 msleep(ffffffff82e349dc,ffffffff82e34b60,7f,ffffffff828846b0,0) at msleep+0x90 sys/kern/kern_synch.c:218 uvm_pagezero_thread(ffff80002a1452b0) at uvm_pagezero_thread+0xb0 sys/uvm/uvm_pmemrange.c:2171 end trace frame: 0x0, count: 6 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 __mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82e29fc8) at __mp_lock+0x129 sys/kern/kern_lock.c:147 intr_handler(ffff80002a16acb0,ffff80000006bc00) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:539 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_const_cmp4(2,0) at __sanitizer_cov_trace_const_cmp4+0x15 sys/dev/kcov.c:235 msleep(ffffffff82e349dc,ffffffff82e34b60,7f,ffffffff828846b0,0) at msleep+0x90 sys/kern/kern_synch.c:218 uvm_pagezero_thread(ffff80002a1452b0) at uvm_pagezero_thread+0xb0 sys/uvm/uvm_pmemrange.c:2171 end trace frame: 0x0, count: -9 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(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc2ec244420, 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(ffff800000d9e920,1) at rw_enter+0x462 rw_enter_diag sys/kern/kern_rwlock.c:183 [inline] rw_enter(ffff800000d9e920,1) at rw_enter+0x462 sys/kern/kern_rwlock.c:273 soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 solock sys/kern/uipc_socket2.c:356 [inline] soisconnected(ffff800010fdc6e8) at soisconnected+0x1c2 sys/kern/uipc_socket2.c:111 unp_connect2(ffff800000d9e918,ffff800010fdc6e8) at unp_connect2+0xca unp_connect(ffff800000d9e918,fffffd806d4fc100,ffff80002a18c560) at unp_connect+0x46d sys/kern/uipc_usrreq.c:908 sys_connect(ffff80002a18c560,ffff80002a228da0,ffff80002a228cf0) at sys_connect+0x207 sys/kern/uipc_syscalls.c:422 syscall(ffff80002a228da0) at syscall+0x5ae mi_syscall sys/sys/syscall_mi.h:183 [inline] syscall(ffff80002a228da0) at syscall+0x5ae sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xcc2ec244420, count: -9 ddb{1}>