witness: lock order reversal: 1st 0xffff80000149bc70 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd8075822d58 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833d1e1a -> 0xffffffff83343bfc is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 sblock+0xb6 sys/kern/uipc_socket2.c:536 #2 soreceive+0x27d sys/kern/uipc_socket.c:870 #3 fifo_read+0x117 sys/miscfs/fifofs/fifo_vnops.c:264 #4 VOP_READ+0x101 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x15b sys/kern/vfs_vnops.c:-1 #6 vndsetcred+0xa1 sys/dev/vnd.c:684 #7 vndioctl+0xdfe 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+0x674 sys/kern/sys_generic.c:-1 #11 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #11 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] sbufsnd (&so->so_snd.sb_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 sblock+0xb6 sys/kern/uipc_socket2.c:536 #2 sosplice+0x3e1 sys/kern/uipc_socket.c:1347 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1227 #4 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #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:438 witness_checkorder(fffffd8075822d58,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd8075822d40,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd8075822d40,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd80706f9548,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd80706f9548,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c425970) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c425970) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff80000149ba88,fffffd805cacba00,ffff80003c42c030) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff80000149ba88,fffffd805d472800,fffffd805cacba00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff80000149ba88,fffffd805cacba00,ffff80003c425bf8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c42c030,3,ffff80003c425d78,e,ffff80003c425e30) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c42c030,ffff80003c425ee0,ffff80003c425e30) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c425ee0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c425ee0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6cec68c95d0, count: -15 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80003c4255f0 rbx 0 rdx 0 rcx 0xffff80003c42c030 rax 0xffff8000299fdff0 r8 0xffff80003c4254d0 r9 0x8080808080808080 r10 0xbd123b1ba07d72f4 r11 0x53f73436c837ae89 r12 0xfffffd8003ef7680 r13 0xfffffd80046de360 r14 0x3 r15 0xffffffff833dadbe substchar+0xb292 rip 0xffffffff81d6b285 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4255e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=301301 pid=48092 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=82, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c42ed30,0xffffffff838a2ac8 process=0xffff80003c435830 user=0xffff80003c420000, vmspace=0xfffffd807a5f95e8 estcpu=32, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 6213 443785 27272 0 2 0 syz-executor 6213 206670 27272 0 3 0x4000080 fsleep syz-executor 6213 190387 27272 0 2 0x4000000 syz-executor 48092 9272 21645 0 2 0 syz-executor 48092 499245 21645 0 3 0x4000080 fsleep syz-executor *48092 301301 21645 0 7 0x4000000 syz-executor 31933 310441 86920 0 2 0 syz-executor 31933 202761 86920 0 3 0x4000080 fsleep syz-executor 58956 303976 10089 0 7 0 syz-executor 58956 146534 10089 0 3 0x4000080 sbwait syz-executor 58956 115367 10089 0 3 0x4000080 fsleep syz-executor 47996 175987 85918 0 2 0 syz-executor 47996 150899 85918 0 2 0x4000000 syz-executor 27272 278324 4206 0 3 0x82 nanoslp syz-executor 82941 99487 34198 0 4 0x82000 syz-executor 82941 500323 34198 0 3 0x4082000 biowait syz-executor 82941 94029 34198 0 3 0x4082000 fltagain2 syz-executor 82941 462002 34198 0 3 0x4002000 suspend syz-executor 82941 274024 34198 0 3 0x4082000 inode syz-executor 18181 83353 4206 0 3 0x2 biowait syz-executor 24146 173649 4206 0 3 0x82 nanoslp syz-executor 32438 59698 0 0 3 0x14200 acct acct 51961 278570 0 0 3 0x14280 nfsidl nfsio 46564 59468 0 0 3 0x14280 nfsidl nfsio 86927 393178 0 0 3 0x14280 nfsidl nfsio 59219 35791 0 0 3 0x14280 nfsidl nfsio 56072 429892 0 0 3 0x14280 nfsidl nfsio 5581 75553 0 0 3 0x14280 nfsidl nfsio 46487 414606 0 0 3 0x14280 nfsidl nfsio 69833 469993 0 0 3 0x14280 nfsidl nfsio 26168 468854 0 0 3 0x14280 nfsidl nfsio 58453 131374 0 0 3 0x14280 nfsidl nfsio 52166 185451 0 0 3 0x14280 nfsidl nfsio 6120 306005 0 0 3 0x14280 nfsidl nfsio 69700 189629 0 0 3 0x14280 nfsidl nfsio 31723 263404 0 0 3 0x14280 nfsidl nfsio 60584 62397 0 0 3 0x14280 nfsidl nfsio 94931 348946 0 0 3 0x14280 nfsidl nfsio 60751 41529 0 0 3 0x14280 nfsidl nfsio 88388 382494 0 0 3 0x14280 nfsidl nfsio 7698 426854 0 0 3 0x14280 nfsidl nfsio 71692 478762 0 0 3 0x14280 nfsidl nfsio 96904 260834 0 0 3 0x14200 bored sosplice 21645 309325 4206 0 3 0x82 nanoslp syz-executor 10089 287412 4206 0 3 0x82 nanoslp syz-executor 86920 385036 4206 0 3 0x82 nanoslp syz-executor 85918 424761 4206 0 3 0x82 nanoslp syz-executor 34198 247979 4206 0 3 0x82 wait syz-executor 4206 325531 17666 0 3 0x82 kqread syz-executor 17666 214978 24732 0 3 0x10008a sigsusp ksh 24732 209252 98972 0 3 0x98 kqread sshd-session 98972 78589 21356 0 3 0x92 kqread sshd-session 86318 204752 1 0 3 0x100083 ttyin getty 21356 96889 1 0 3 0x88 kqread sshd 85311 302572 93440 74 3 0x1100092 bpf pflogd 93440 4411 1 0 3 0x80 sbwait pflogd 20490 140993 45580 73 3 0x1100090 kqread syslogd 45580 36916 1 0 3 0x100082 sbwait syslogd 5904 522914 1 0 3 0x100080 kqread resolvd 19508 396976 74480 77 3 0x100092 kqread dhcpleased 79596 347888 74480 77 3 0x100092 kqread dhcpleased 74480 219248 1 0 3 0x80 kqread dhcpleased 63807 474325 0 0 3 0x14200 bored smr 93995 200583 0 0 2 0x14200 zerothread 65991 7933 0 0 3 0x14200 aiodoned aiodoned 89644 428868 0 0 3 0x14200 syncer update 37189 126839 0 0 3 0x14200 cleaner cleaner 26050 503235 0 0 3 0x14200 reaper reaper 52137 229936 0 0 3 0x14200 pgdaemon pagedaemon 41884 343909 0 0 3 0x14200 bored viomb 91721 250648 0 0 3 0x40014200 acpi0 acpi0 34214 304682 0 0 3 0x40014200 idle1 82539 105986 0 0 3 0x14200 bored softnet1 61412 223693 0 0 2 0x14200 softnet0 80591 210151 0 0 3 0x14200 bored systqmp 5646 420064 0 0 3 0x14200 bored systq 1290 142995 0 0 3 0x14200 tmoslp softclockmp 52350 213486 0 0 3 0x40014200 tmoslp softclock 52905 61670 0 0 3 0x40014200 idle0 1 400395 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 48092 (syz-executor) thread 0xffff80003c42c030 (301301) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83929028) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 unp_connect+0x28c sys/kern/uipc_usrreq.c:872 #2 uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 #3 sosend+0x804 sys/kern/uipc_socket.c:-1 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff80000149bc70) #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 sblock+0xb6 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e9 sys/kern/uipc_socket.c:631 #4 sendit+0x5a5 sys/kern/uipc_syscalls.c:785 #5 sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 Process 58956 (syz-executor) thread 0xffff80003c444a88 (146534) exclusive rrwlock inode r = 0 (0xfffffd806e29a248) #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 ufs_lookup+0x16bd sys/ufs/ufs/ufs_lookup.c:573 #7 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #8 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #9 namei+0x7ca sys/kern/vfs_lookup.c:250 #10 vn_open+0x15a sys/kern/vfs_vnops.c:140 #11 vndioctl+0xc45 sys/dev/vnd.c:457 #12 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #13 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:531 #14 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #15 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #15 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 #16 Xsyscall+0x128 Process 47996 (syz-executor) thread 0xffff80003c444d20 (150899) exclusive rrwlock inode r = 0 (0xfffffd8069116c70) #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 sys_truncate+0xce sys/kern/vfs_syscalls.c:2888 #6 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #7 Xsyscall+0x128 Process 82941 (syz-executor) thread 0xffff80003c4194e0 (500323) exclusive rrwlock inode r = 0 (0xfffffd806e33f9e8) #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:746 #9 Xsyscall+0x128 Process 82941 (syz-executor) thread 0xffff80003c418a80 (274024) exclusive rrwlock inode r = 0 (0xfffffd8069116580) #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 dosymlinkat+0xef sys/kern/vfs_syscalls.c:1808 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:746 #9 Xsyscall+0x128 Process 18181 (syz-executor) thread 0xffff80003c418d18 (83353) exclusive rrwlock inode r = 0 (0xfffffd806e2027e0) #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:746 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e29d808) #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:746 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10249 11437K 11437K 166960K 12975 0 pcb 18 14K 21K 166960K 276 0 rtable 211 7K 8K 166960K 421 0 pf 36 17K 18K 166960K 120 0 ifaddr 43 7K 8K 166960K 99 0 ifgroup 57 2K 2K 166960K 152 0 sysctl 4 1K 9K 166960K 13 0 counters 70 37K 37K 166960K 176 0 ioctlops 0 0K 4K 166960K 1663 0 iov 0 0K 28K 166960K 62 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1485 93K 94K 166960K 2296 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 20 5K 5K 166960K 33 0 dirhash 12 2K 2K 166960K 18 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 1038 0 sigio 0 0K 0K 166960K 10 0 proc 72 115K 180K 166960K 708 0 subproc 72 4K 4K 166960K 99 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 95 7K 7K 166960K 156 0 ether_multi 1 0K 0K 166960K 4 0 mrt 0 0K 0K 166960K 7 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 687 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 2 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 250 169K 182K 166960K 10983 0 UVM aobj 88 5K 5K 166960K 91 0 pinsyscall 42 84K 98K 166960K 2211 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 59 0 NDP 13 0K 2K 166960K 69 0 temp 80 8652K 8728K 166960K 37092 0 kqueue 13 20K 30K 166960K 168 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 120 227 0 223 3 2 1 3 0 8 0 rtentry 176 151 0 60 5 0 5 5 0 8 0 unpcb 144 606 0 586 5 4 1 4 0 8 0 syncache 336 9 0 9 3 3 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 222 0 216 5 3 2 4 0 8 1 arp 136 17 0 4 1 0 1 1 0 8 0 inpcb 328 828 0 818 7 5 2 4 0 8 0 nd6 152 29 0 9 1 0 1 1 0 8 0 pkpcb 40 11 0 11 1 0 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1192 44 0 43 2 1 1 1 0 8 0 pppxif 1504 3 0 3 2 2 0 1 0 8 0 pffrag 232 9 0 0 1 0 1 1 0 482 0 pffrnode 88 9 0 0 1 0 1 1 0 8 0 pffrent 40 13 0 4 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 68 0 22 1 0 1 1 0 8 0 pfstkey 128 68 0 22 2 0 2 2 0 8 0 pfstate 384 68 0 22 5 0 5 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 711 0 296 31 5 26 28 0 8 0 art_table 40 714 0 296 5 0 5 5 0 8 0 art_node 32 147 0 69 1 0 1 1 0 8 0 sysvmsgpl 40 3 0 2 1 0 1 1 0 8 0 semupl 112 2 0 2 1 0 1 1 0 8 1 semapl 112 28 0 10 1 0 1 1 0 8 0 shmpl 112 88 0 3 3 0 3 3 0 8 0 dirhash 1024 22 0 5 3 0 3 3 0 8 0 dino2pl 256 3283 0 1777 95 0 95 95 0 8 0 ffsino 296 3283 0 1777 117 0 117 117 0 8 0 nchpl 144 4731 0 3030 64 0 64 64 0 8 0 rtmask 32 8 0 8 2 2 0 1 0 8 0 uvmvnodes 80 3893 0 0 80 0 80 80 0 8 0 vnodes 216 3893 0 0 217 0 217 217 0 8 0 namei 1024 16228 0 16223 2 1 1 1 0 8 0 percpumem 16 103 0 53 1 0 1 1 0 8 0 kstatmem 264 94 0 66 4 1 3 3 0 8 0 scsiplug 72 7 0 7 2 1 1 1 0 8 1 scxspl 216 22956 0 22954 10 8 2 7 1 8 1 plimitpl 152 233 0 214 1 0 1 1 0 8 0 sigapl 424 1361 0 1292 8 0 8 8 0 8 0 knotepl 120 323 0 0 10 0 10 10 0 8 0 kqueuepl 224 343 0 333 4 2 2 3 0 8 1 pipepl 344 368 0 340 7 4 3 6 0 8 0 fdescpl 528 1306 0 1275 3 0 3 3 0 8 0 filepl 160 8470 0 8248 19 7 12 15 0 8 2 lockfpl 104 585 0 582 1 0 1 1 0 8 0 lockfspl 48 240 0 237 1 0 1 1 0 8 0 sessionpl 144 29 0 20 1 0 1 1 0 8 0 pgrppl 48 111 0 94 1 0 1 1 0 8 0 ucredpl 104 1395 0 1381 1 0 1 1 0 8 0 zombiepl 144 1293 0 1292 1 0 1 1 0 8 0 processpl 1232 1361 0 1292 6 0 6 6 0 8 0 procpl 664 2873 0 2792 8 0 8 8 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 752 1797 0 1763 12 7 5 11 0 8 1 mcl64k 65536 20 0 0 3 0 3 3 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 27 0 0 4 0 4 4 0 8 0 mtagpl 96 5 0 0 1 0 1 1 0 8 0 mbufpl 256 1184 0 0 73 0 73 73 0 8 0 bufpl 280 8670 0 2526 439 0 439 439 0 8 0 anonpl 32 14849 0 0 121 1 120 120 0 246 0 amapchunkpl 152 36520 0 35979 32 6 26 28 0 158 5 amappl16 200 4957 0 4445 62 24 38 38 0 8 6 amappl15 192 6 0 6 1 1 0 1 0 8 0 amappl14 184 124 0 112 1 0 1 1 0 8 0 amappl13 176 25 0 24 1 0 1 1 0 8 0 amappl12 168 2002 0 1971 3 1 2 2 0 8 0 amappl11 160 78 0 64 1 0 1 1 0 8 0 amappl10 152 6 0 5 1 0 1 1 0 8 0 amappl9 144 252 0 252 1 1 0 1 0 8 0 amappl8 136 54 0 52 1 0 1 1 0 8 0 amappl7 128 114 0 102 1 0 1 1 0 8 0 amappl6 120 215 0 212 1 0 1 1 0 8 0 amappl5 112 132 0 122 1 0 1 1 0 8 0 amappl4 104 315 0 295 1 0 1 1 0 8 0 amappl3 96 6248 0 6145 3 0 3 3 0 8 0 amappl2 88 1575 0 1495 2 0 2 2 0 8 0 amappl1 80 13100 0 12501 16 2 14 15 0 8 0 amappl 88 10102 0 9927 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 128 256 0 256 3 2 1 1 0 8 1 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 90 0 3 2 0 2 2 0 8 0 uaddrrnd 24 1306 0 1275 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1306 0 1275 1 0 1 1 0 8 0 vmmpekpl 168 12616 0 12567 3 0 3 3 0 8 0 vmmpepl 168 88466 0 85998 136 17 119 119 0 357 3 vmsppl 488 1305 0 1275 7 2 5 5 0 8 0 rwobjpl 80 29663 0 24255 115 1 114 114 0 8 2 pdppl 4096 2620 0 2550 108 36 72 82 0 8 2 pvpl 32 21943 0 0 177 0 177 177 0 265 0 pmappl 256 1305 0 1275 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 354 0 50 9 0 9 9 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff837b5ff0) 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(ffffffff83928e20) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83928e20) at __mp_lock+0x192 sys/kern/kern_lock.c:165 intr_handler(ffff80002f7e5940,ffff800000069c00) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff83928e20) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83928e20) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80002f7e5aa0,ffff800000079a80) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:559 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x7c44e00643d0, count: -9 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:438 witness_checkorder(fffffd8075822d58,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd8075822d40,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd8075822d40,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd80706f9548,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd80706f9548,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c425970) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c425970) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff80000149ba88,fffffd805cacba00,ffff80003c42c030) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff80000149ba88,fffffd805d472800,fffffd805cacba00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff80000149ba88,fffffd805cacba00,ffff80003c425bf8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c42c030,3,ffff80003c425d78,e,ffff80003c425e30) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c42c030,ffff80003c425ee0,ffff80003c425e30) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c425ee0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c425ee0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x6cec68c95d0, count: -15