witness: lock order reversal: 1st 0xffff800010fd9770 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806bd4a3e8 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff8312c38c -> 0xffffffff830d64b2 is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 #1 sblock+0xb7 sys/kern/uipc_socket2.c:537 #2 soreceive+0x28e sys/kern/uipc_socket.c:876 #3 fifo_read+0x11a sys/miscfs/fifofs/fifo_vnops.c:264 #4 VOP_READ+0x102 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x15b #6 vndsetcred+0xa1 sys/dev/vnd.c:684 #7 vndioctl+0xe6c sys/dev/vnd.c:485 #8 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #10 sys_ioctl+0x5c3 #11 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock) #0 rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 #1 sblock+0xb7 sys/kern/uipc_socket2.c:537 #2 sosplice+0x40d sys/kern/uipc_socket.c:1358 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806bd4a3e8,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806bd4a3d0,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806bd4a3d0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd805e87d000,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805e87d000,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c5884c8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c5884c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fd95b0,fffffd806cf03500,ffff80003c5a3468) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800010fd95b0,fffffd806ccf2d00,fffffd806cf03500,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800010fd95b0,fffffd806cf03500,ffff80003c588748,0,0,8) at sosend+0x804 sendit(ffff80003c5a3468,3,ffff80003c5888c0,8,ffff80003c588980) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff80003c5a3468,ffff80003c588a30,ffff80003c588980) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c588a30) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c588a30) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc5724723b70, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c588140 rbx 0xfffffd800433c2c8 rdx 0xffff80000128ab40 rcx 0xffff80003c5a3468 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c588020 r9 0x8080808080808080 r10 0xddab31ec35b4357a r11 0x326b318ae8aec103 r12 0 r13 0xfffffd8003b53f00 r14 0x3 r15 0xffffffff rip 0xffffffff8239cdf5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c588130 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=323468 pid=3768 tcnt=2 stat=onproc flags process=10 proc=4000000 runpri=32, usrpri=81, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c5a2a48,0xffffffff8367c150 process=0xffff80003c5b3940 user=0xffff80003c583000, vmspace=0xfffffd806c1d3018 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75779 243172 85553 0 7 0 syz-executor 75779 487684 85553 0 3 0x4000080 kqpoll syz-executor 98919 120743 23141 0 2 0 syz-executor 98919 343736 23141 0 3 0x4000080 fsleep syz-executor 3768 408011 17112 60929 2 0x10 syz-executor * 3768 323468 17112 60929 7 0x4000010 syz-executor 41693 279722 14881 0 3 0x80 nanoslp syz-executor 41693 219407 14881 0 3 0x4000080 rest syz-executor 41693 519992 14881 0 3 0x4000080 fsleep syz-executor 41693 57701 14881 0 3 0x4000080 fsleep syz-executor 14853 148329 89676 0 3 0x80 nanoslp syz-executor 14853 34257 89676 0 3 0x4000080 ttyin syz-executor 68177 9031 5033 0 3 0x80 nanoslp syz-executor 68177 450703 5033 0 3 0x4000080 ttyin syz-executor 68177 440644 5033 0 3 0x4000080 fsleep syz-executor 68177 179877 5033 0 3 0x4000000 inode syz-executor 50605 11127 0 0 3 0x14200 bored sosplice 14881 287628 26490 0 3 0x82 nanoslp syz-executor 23141 345543 26490 0 3 0x82 nanoslp syz-executor 85553 154606 26490 0 3 0x82 nanoslp syz-executor 5033 365707 26490 0 3 0x82 nanoslp syz-executor 21168 33272 26490 0 3 0x82 wait syz-executor 67866 40385 26490 0 3 0x2 biowait syz-executor 89676 173384 26490 0 3 0x82 nanoslp syz-executor 17112 463510 26490 0 3 0x82 nanoslp syz-executor 26490 388583 14934 0 3 0x82 kqread syz-executor 14934 404590 85635 0 3 0x10008a sigsusp ksh 85635 388762 35223 0 3 0x98 kqread sshd-session 35223 200703 3136 0 3 0x92 kqread sshd-session 6232 24050 1 0 3 0x100083 ttyin getty 3136 502908 1 0 3 0x88 kqread sshd 91069 160201 15902 74 3 0x1100092 bpf pflogd 15902 184784 1 0 3 0x80 sbwait pflogd 4020 206526 22207 73 3 0x1100090 kqread syslogd 22207 285645 1 0 3 0x100082 sbwait syslogd 21556 520404 1 0 3 0x100080 kqread resolvd 14035 316201 2469 77 3 0x100092 kqread dhcpleased 59848 246062 2469 77 3 0x100092 kqread dhcpleased 2469 334237 1 0 3 0x80 kqread dhcpleased 14127 87577 0 0 3 0x14200 bored smr 89379 14062 0 0 2 0x14200 zerothread 98336 102066 0 0 3 0x14200 aiodoned aiodoned 32695 221584 0 0 3 0x14200 syncer update 56126 293598 0 0 3 0x14200 cleaner cleaner 95506 22539 0 0 3 0x14200 reaper reaper 30856 24191 0 0 3 0x14200 pgdaemon pagedaemon 42111 510977 0 0 3 0x14200 bored viomb 80897 14473 0 0 3 0x40014200 acpi0 acpi0 15622 193748 0 0 3 0x40014200 idle1 90750 127425 0 0 3 0x14200 bored softnet3 95762 434791 0 0 3 0x14200 bored softnet2 25617 390218 0 0 3 0x14200 bored softnet1 14475 128862 0 0 2 0x14200 softnet0 3195 453308 0 0 3 0x14200 bored systqmp 52444 40299 0 0 3 0x14200 bored systq 66559 425103 0 0 3 0x14200 tmoslp softclockmp 53547 151623 0 0 3 0x40014200 tmoslp softclock 94347 3228 0 0 3 0x40014200 idle0 1 227136 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 3768 (syz-executor) thread 0xffff80003c5a3468 (323468) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff836710f8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:868 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #3 sosend+0x804 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff800010fd9770) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sblock+0xb7 sys/kern/uipc_socket2.c:537 #3 sosend+0x2e2 sys/kern/uipc_socket.c:625 #4 sendit+0x721 sys/kern/uipc_syscalls.c:779 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 #6 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 Process 68177 (syz-executor) thread 0xffff8000ffff96e8 (450703) exclusive rrwlock inode r = 0 (0xfffffd806bd4a1b8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 spec_open+0x305 sys/kern/spec_vnops.c:151 #6 VOP_OPEN+0x8b sys/kern/vfs_vops.c:138 #7 vn_open+0x708 sys/kern/vfs_vnops.c:177 #8 vndioctl+0xcb1 sys/dev/vnd.c:457 #9 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #10 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #11 sys_ioctl+0x5c3 #12 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #12 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #13 Xsyscall+0x128 Process 68177 (syz-executor) thread 0xffff8000ffff8f50 (179877) exclusive rrwlock inode r = 0 (0xfffffd806bd4a960) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dofstatat+0xe0 sys/kern/vfs_syscalls.c:2069 #8 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 67866 (syz-executor) thread 0xffff80002a418cc0 (40385) exclusive rrwlock inode r = 0 (0xfffffd806df6e2e8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vget+0x2bd sys/kern/vfs_subr.c:694 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1201 #8 ufs_lookup+0x19f8 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x8fa sys/kern/vfs_lookup.c:566 #11 namei+0x7aa sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1851 #13 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806f9c3cd8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1851 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10212 11030K 11299K 166960K 11633 0 pcb 18 14K 16K 166960K 71 0 rtable 186 6K 8K 166960K 416 0 pf 30 16K 18K 166960K 54 0 ifaddr 34 5K 7K 166960K 50 0 ifgroup 47 2K 2K 166960K 71 0 sysctl 3 1K 1K 166960K 3 0 counters 60 35K 36K 166960K 70 0 ioctlops 0 0K 4K 166960K 1513 0 iov 0 0K 16K 166960K 30 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1398 88K 88K 166960K 1755 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 83 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 17 61K 93K 166960K 499 0 sigio 0 0K 0K 166960K 9 0 proc 72 91K 128K 166960K 594 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 66 0 in_multi 73 5K 7K 166960K 114 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 199 890K 890K 166960K 199 0 exec 0 0K 1K 166960K 523 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 232 73K 77K 166960K 6324 0 UVM aobj 20 2K 2K 166960K 21 0 pinsyscall 42 84K 102K 166960K 1650 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 15 0 NDP 10 0K 2K 166960K 32 0 temp 57 6894K 7021K 166960K 16932 0 kqueue 13 20K 32K 166960K 84 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 93 0 90 2 1 1 2 0 8 0 rtentry 112 125 0 42 4 0 4 4 0 8 0 unpcb 144 638 0 617 6 0 6 6 0 8 5 syncache 336 9 0 9 1 0 1 1 0 8 1 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 356 0 350 14 4 10 14 0 8 8 arp 120 19 0 4 1 0 1 1 0 8 0 inpcb 376 705 0 695 13 3 10 13 0 8 8 nd6 136 28 0 9 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 pffrag 232 3 0 0 1 0 1 1 0 482 0 pffrnode 88 3 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 1 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 52 0 1 1 0 1 1 0 8 0 pfstkey 128 52 0 1 2 0 2 2 0 8 0 pfstate 376 52 0 1 6 0 6 6 0 8 0 pfrule 1344 21 0 15 2 0 2 2 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 541 0 169 29 1 28 29 0 8 2 art_table 32 545 0 169 4 0 4 4 0 8 0 art_node 16 123 0 48 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 7 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 81 0 71 1 0 1 1 0 8 0 shmpl 112 18 0 1 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2308 0 804 95 0 95 95 0 8 0 ffsino 280 2308 0 804 109 0 109 109 0 8 0 nchpl 144 3023 0 1333 63 0 63 63 0 8 0 uvmvnodes 80 2582 0 0 53 0 53 53 0 8 0 vnodes 216 2582 0 0 144 0 144 144 0 8 0 namei 1024 10581 0 10579 2 1 1 2 0 8 0 percpumem 16 49 0 5 1 0 1 1 0 8 0 kstatmem 264 30 0 10 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 9203 0 9202 9 7 2 8 1 8 1 plimitpl 152 226 0 207 1 0 1 1 0 8 0 sigapl 424 817 0 767 7 1 6 7 0 8 0 futexpl 64 5843 0 5839 1 0 1 1 0 8 0 knotepl 120 800 0 0 25 0 25 25 0 8 0 kqueuepl 216 123 0 113 1 0 1 1 0 8 0 pipepl 328 147 0 120 3 0 3 3 0 8 0 fdescpl 504 798 0 767 5 0 5 5 0 8 0 filepl 152 5138 0 4907 19 2 17 19 0 8 7 lockfpl 104 124 0 122 1 0 1 1 0 8 0 lockfspl 48 56 0 54 1 0 1 1 0 8 0 sessionpl 144 28 0 19 1 0 1 1 0 8 0 pgrppl 48 40 0 23 1 0 1 1 0 8 0 ucredpl 104 847 0 832 1 0 1 1 0 8 0 zombiepl 144 768 0 767 1 0 1 1 0 8 0 processpl 1168 817 0 767 5 1 4 5 0 8 0 procpl 648 1469 0 1409 6 0 6 6 0 8 0 srpgc 96 4 0 4 2 1 1 1 0 8 1 sosppl 168 5 0 5 1 0 1 1 0 8 1 sockpl 688 1445 0 1411 30 14 16 26 0 8 12 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 124 0 0 16 0 16 16 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 36 0 0 1 0 1 1 0 8 0 mbufpl 256 204 0 0 13 0 13 13 0 8 0 bufpl 280 3277 0 130 225 0 225 225 0 8 0 anonpl 24 153104 0 149243 49 1 48 48 0 185 18 amapchunkpl 152 19663 0 19139 23 0 23 23 0 158 2 amappl16 200 3628 0 3592 23 11 12 16 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 132 0 119 1 0 1 1 0 8 0 amappl13 176 5 0 5 1 1 0 1 0 8 0 amappl12 168 1462 0 1431 2 0 2 2 0 8 0 amappl11 160 50 0 36 1 0 1 1 0 8 0 amappl10 152 36 0 35 1 0 1 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 28 0 25 1 0 1 1 0 8 0 amappl7 128 117 0 104 1 0 1 1 0 8 0 amappl6 120 188 0 184 1 0 1 1 0 8 0 amappl5 112 125 0 114 1 0 1 1 0 8 0 amappl4 104 353 0 335 1 0 1 1 0 8 0 amappl3 96 3755 0 3640 4 0 4 4 0 8 0 amappl2 88 716 0 654 2 0 2 2 0 8 0 amappl1 80 10571 0 9991 14 0 14 14 0 8 0 amappl 88 5885 0 5710 5 0 5 5 0 92 0 dma8192 8192 33 0 33 1 1 0 1 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma2048 2048 1 0 1 1 0 1 1 0 8 1 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 20 0 1 1 0 1 1 0 8 0 uaddrrnd 24 798 0 767 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 798 0 767 1 0 1 1 0 8 0 vmmpekpl 168 8530 0 8496 3 0 3 3 0 8 1 vmmpepl 168 57592 0 55702 102 0 102 102 0 357 14 vmsppl 456 797 0 767 5 0 5 5 0 8 0 rwobjpl 64 22238 0 18686 60 1 59 59 0 8 1 pdppl 4096 1603 0 1534 113 40 73 85 0 8 4 pvpl 32 15859 0 0 129 1 128 128 0 265 0 pmappl 248 797 0 767 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 311 0 50 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff834e3ff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 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(ffffffff83670ef0) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83670ef0) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff8000369761e0,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:584 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:153 __mp_lock(ffffffff83670ef0) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff83670ef0) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 intr_handler(ffff800036976350,ffff800000079f00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x79e6c162a490, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806bd4a3e8,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806bd4a3d0,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806bd4a3d0,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd805e87d000,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805e87d000,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c5884c8) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c5884c8) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fd95b0,fffffd806cf03500,ffff80003c5a3468) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff800010fd95b0,fffffd806ccf2d00,fffffd806cf03500,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff800010fd95b0,fffffd806cf03500,ffff80003c588748,0,0,8) at sosend+0x804 sendit(ffff80003c5a3468,3,ffff80003c5888c0,8,ffff80003c588980) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff80003c5a3468,ffff80003c588a30,ffff80003c588980) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c588a30) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c588a30) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc5724723b70, count: -15