witness: lock order reversal: 1st 0xffff8000014250a8 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd806f701a28 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff8340cb6d -> 0xffffffff8337ffd2 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:878 #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:685 #7 vndioctl+0xdfc sys/dev/vnd.c:486 #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:765 #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+0x312 sys/kern/uipc_socket.c:1335 #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:765 #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(fffffd806f701a28,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806f701a10,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806f701a10,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd805e8f0988,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd805e8f0988,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002a3860d0) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002a3860d0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001424ec0,fffffd8068273500,ffff8000303e4d28) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001424ec0,fffffd8068273a00,fffffd8068273500,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001424ec0,fffffd8068273500,ffff80002a386358,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000303e4d28,7,ffff80002a3864d8,e,ffff80002a386590) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000303e4d28,ffff80002a386640,ffff80002a386590) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002a386640) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a386640) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa9a88f95e30, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80002a385d50 rbx 0 rdx 0xffff800001476d80 rcx 0xffff8000303e4d28 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80002a385c30 r9 0x8080808080808080 r10 0x69333735eb16db93 r11 0x6df68dcca3ce5198 r12 0xfffffd8003f458c0 r13 0xfffffd800472c250 r14 0x3 r15 0xffffffff834145c3 substchar+0x7bc8 rip 0xffffffff82bb41e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a385d40 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=355357 pid=26952 tcnt=4 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=83, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000327e67e8,0xffff8000327e6fc0 process=0xffff80003c4cce98 user=0xffff80002a381000, vmspace=0xfffffd806c93f9a8 estcpu=33, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67696 342284 502 0 2 0 syz-executor 67696 390901 502 0 3 0x4000080 fsleep syz-executor 58869 141472 65764 0 2 0 syz-executor 58869 43248 65764 0 3 0x4000080 fsleep syz-executor 58869 297833 65764 0 3 0x4000080 fsleep syz-executor 58869 467631 65764 0 2 0x4000000 syz-executor 63963 511798 36493 0 2 0 syz-executor 63963 372046 36493 0 3 0x4000080 fsleep syz-executor 26952 252066 67525 0 2 0 syz-executor *26952 355357 67525 0 7 0x4000000 syz-executor 26952 147602 67525 0 3 0x4000080 fsleep syz-executor 26952 245237 67525 0 3 0x4000080 fsleep syz-executor 14054 269820 42915 0 3 0x80 nanoslp syz-executor 14054 75034 42915 0 3 0x4000080 msgwait syz-executor 14054 196735 42915 0 3 0x4000080 fsleep syz-executor 1542 148377 0 0 3 0x14200 acct acct 67525 466324 88944 0 3 0x82 nanoslp syz-executor 82354 328900 1 0 3 0x100083 ttyin getty 10462 57309 88944 0 3 0x2 biowait syz-executor 61470 312804 0 0 3 0x14280 nfsidl nfsio 65501 322924 0 0 3 0x14280 nfsidl nfsio 71947 178653 0 0 3 0x14280 nfsidl nfsio 61917 109029 0 0 3 0x14280 nfsidl nfsio 44501 124489 0 0 3 0x14280 nfsidl nfsio 66639 243785 0 0 3 0x14280 nfsidl nfsio 63904 424619 0 0 3 0x14280 nfsidl nfsio 63523 218879 0 0 3 0x14280 nfsidl nfsio 39103 198701 0 0 3 0x14280 nfsidl nfsio 29519 93424 0 0 3 0x14280 nfsidl nfsio 9402 19024 0 0 3 0x14280 nfsidl nfsio 37175 364500 0 0 3 0x14280 nfsidl nfsio 44469 179157 0 0 3 0x14280 nfsidl nfsio 21592 183367 0 0 3 0x14280 nfsidl nfsio 51967 211138 0 0 3 0x14280 nfsidl nfsio 10296 105664 0 0 3 0x14280 nfsidl nfsio 49528 299391 0 0 3 0x14280 nfsidl nfsio 95657 464425 0 0 3 0x14280 nfsidl nfsio 1070 178956 0 0 3 0x14280 nfsidl nfsio 88613 508445 0 0 3 0x14280 nfsidl nfsio 36493 30163 88944 0 3 0x82 nanoslp syz-executor 67280 359233 88944 0 3 0x2 biowait syz-executor 502 311744 88944 0 3 0x82 nanoslp syz-executor 42915 288853 88944 0 3 0x82 nanoslp syz-executor 65764 57194 88944 0 3 0x82 nanoslp syz-executor 1528 294506 88944 0 3 0x82 nanoslp syz-executor 88944 439676 74965 0 3 0x82 kqread syz-executor 74965 229184 36009 0 3 0x10008a sigsusp ksh 36009 373016 99207 0 3 0x98 kqread sshd-session 99207 25886 75913 0 3 0x92 kqread sshd-session 75913 72032 1 0 3 0x88 kqread sshd 87421 128070 67053 74 3 0x1100092 bpf pflogd 67053 509885 1 0 3 0x80 sbwait pflogd 90476 85608 41524 73 7 0x1100011 syslogd 41524 12249 1 0 3 0x100082 sbwait syslogd 82602 309787 1 0 3 0x100080 kqread resolvd 46523 108739 76162 77 3 0x100092 kqread dhcpleased 84318 275529 76162 77 3 0x100092 kqread dhcpleased 76162 145253 1 0 3 0x80 kqread dhcpleased 96145 96990 0 0 3 0x14200 bored smr 95834 52505 0 0 2 0x14200 zerothread 86913 483201 0 0 3 0x14200 aiodoned aiodoned 49386 485647 0 0 3 0x14200 syncer update 75247 395086 0 0 3 0x14200 cleaner cleaner 43103 379350 0 0 3 0x14200 reaper reaper 21016 395692 0 0 3 0x14200 pgdaemon pagedaemon 67966 302788 0 0 3 0x14200 bored viomb 33948 165922 0 0 3 0x40014200 acpi0 acpi0 83218 293974 0 0 3 0x40014200 idle1 96806 458442 0 0 3 0x14200 bored softnet1 33545 143501 0 0 2 0x14200 softnet0 47490 186301 0 0 3 0x14200 smrbar systqmp 60864 15783 0 0 3 0x14200 bored systq 76360 158618 0 0 3 0x14200 tmoslp softclockmp 38874 127179 0 0 3 0x40014200 tmoslp softclock 31712 282763 0 0 3 0x40014200 idle0 1 180403 0 0 3 0x80082 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 26952 (syz-executor) thread 0xffff8000303e4d28 (355357) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a0a408) #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:765 #7 Xsyscall+0x128 exclusive rwlock sbufsnd r = 0 (0xffff8000014250a8) #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:639 #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:765 #7 Xsyscall+0x128 Process 10462 (syz-executor) thread 0xffff8000303e5a20 (57309) exclusive rrwlock inode r = 0 (0xfffffd806ca72580) #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 vget+0x2a2 sys/kern/vfs_subr.c:686 #6 ufs_ihashget+0x185 sys/ufs/ufs/ufs_ihash.c:98 #7 ffs_vget+0x8c sys/ufs/ffs/ffs_vfsops.c:1203 #8 ufs_lookup+0x1a36 sys/ufs/ufs/ufs_lookup.c:478 #9 VOP_LOOKUP+0x6e sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x93a sys/kern/vfs_lookup.c:566 #11 namei+0x7ca sys/kern/vfs_lookup.c:250 #12 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #13 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #13 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ca72ec0) #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 dounlinkat+0xc1 sys/kern/vfs_syscalls.c:1868 #8 syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 #9 Xsyscall+0x128 Process 67280 (syz-executor) thread 0xffff8000fffeefa8 (359233) exclusive rrwlock inode r = 0 (0xfffffd806f31db90) #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:765 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d2b60d8) #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:765 #9 Xsyscall+0x128 Process 47490 (systqmp) thread 0xffff8000ffffe7c8 (186301) shared rwlock systqmp r = 0 (0xffffffff83803458) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10243 11172K 11577K 166960K 14305 0 pcb 17 16K 18K 166960K 344 0 rtable 238 11K 11K 166960K 718 0 pf 37 18K 20K 166960K 203 0 ifaddr 40 7K 8K 166960K 138 0 ifgroup 57 2K 2K 166960K 243 0 sysctl 4 1K 9K 166960K 14 0 counters 70 37K 37K 166960K 270 0 ioctlops 0 0K 4K 166960K 1985 0 iov 0 0K 16K 166960K 149 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1398 88K 89K 166960K 3006 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 13K 166960K 19 0 VM map 2 1K 1K 166960K 2 0 sem 25 3K 3K 166960K 81 0 dirhash 12 2K 2K 166960K 57 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 110K 166960K 1621 0 sigio 0 0K 0K 166960K 45 0 proc 73 115K 196K 166960K 755 0 subproc 72 4K 4K 166960K 103 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 342 0 in_multi 85 6K 7K 166960K 178 0 ether_multi 1 0K 0K 166960K 16 0 mrt 0 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 642 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 237 159K 173K 166960K 16355 0 UVM aobj 13 6K 6K 166960K 13 0 pinsyscall 41 82K 104K 166960K 2856 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 84 0 NDP 13 0K 2K 166960K 100 0 temp 78 8675K 8800K 166960K 87268 0 kqueue 13 20K 33K 166960K 333 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 120 132 0 129 1 0 1 1 0 8 0 rtentry 176 191 0 94 7 1 6 6 0 8 0 unpcb 144 1099 0 1079 6 4 2 4 0 8 1 syncache 336 12 0 12 4 3 1 1 0 8 1 tcpqe 32 1 0 1 1 0 1 1 0 8 1 tcpcb 736 404 0 399 7 6 1 7 0 8 0 arp 136 29 0 13 1 0 1 1 0 8 0 inpcb 328 1870 0 1862 10 3 7 7 0 8 6 nd6 152 37 0 13 2 1 1 2 0 8 0 pkpcb 40 10 0 10 2 1 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 mppekey 1024 2 0 2 2 2 0 1 0 8 0 ppxss 1192 80 0 79 2 1 1 1 0 8 0 pppxif 1504 11 0 11 4 4 0 1 0 8 0 pfstscr 40 2 0 1 1 0 1 1 0 8 0 pffrag 232 84 0 68 1 0 1 1 0 482 0 pffrnode 88 81 0 66 1 0 1 1 0 8 0 pffrent 40 252 0 236 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 pfrktable 1344 2 0 2 2 2 0 1 0 8 0 pfstitem 24 96 0 31 1 0 1 1 0 8 0 pfstkey 128 97 0 32 3 0 3 3 0 8 0 pfstate 448 96 0 32 8 0 8 8 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 256 789 0 385 30 1 29 30 0 8 0 art_table 40 792 0 385 5 0 5 5 0 8 0 art_node 32 190 0 103 1 0 1 1 0 8 0 sysvmsgpl 40 21 0 16 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 72 0 49 1 0 1 1 0 8 0 shmpl 112 8 0 0 1 0 1 1 0 8 0 dirhash 1024 47 0 30 3 0 3 3 0 8 0 dino2pl 256 4514 0 3007 95 0 95 95 0 8 0 ffsino 296 4514 0 3007 117 0 117 117 0 8 0 nchpl 144 6681 0 4976 64 0 64 64 0 8 0 rtmask 32 14 0 14 3 2 1 1 0 8 1 vnodes 216 5558 0 0 309 0 309 309 0 8 0 namei 1024 23111 0 23109 3 2 1 2 0 8 0 percpumem 16 150 0 100 1 0 1 1 0 8 0 vcpupl 3968 2 0 0 1 0 1 1 0 8 0 vmpool 840 2 0 0 1 0 1 1 0 8 0 kstatmem 264 158 0 130 4 1 3 3 0 8 1 acpiwqpl 32 2 0 2 1 0 1 1 1 8 1 scsiplug 72 8 0 8 3 2 1 1 0 8 1 scxspl 216 41887 0 41885 14 11 3 8 1 8 2 plimitpl 152 529 0 510 1 0 1 1 0 8 0 sigapl 424 1942 0 1875 8 0 8 8 0 8 0 knotepl 120 516 0 0 16 0 16 16 0 8 0 kqueuepl 224 598 0 589 7 5 2 5 0 8 1 pipepl 344 403 0 376 12 9 3 9 0 8 0 fdescpl 528 1903 0 1873 3 0 3 3 0 8 0 filepl 160 12711 0 12494 21 6 15 16 0 8 4 lockfpl 104 935 0 929 3 2 1 2 0 8 0 lockfspl 48 356 0 350 1 0 1 1 0 8 0 sessionpl 144 35 0 26 1 0 1 1 0 8 0 pgrppl 48 58 0 41 1 0 1 1 0 8 0 ucredpl 104 1888 0 1875 1 0 1 1 0 8 0 zombiepl 144 1876 0 1875 1 0 1 1 0 8 0 processpl 1232 1942 0 1875 6 0 6 6 0 8 0 procpl 664 4465 0 4388 8 0 8 8 0 8 0 sosppl 176 12 0 12 3 3 0 1 0 8 0 sockpl 752 3145 0 3114 14 4 10 11 0 8 6 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 113 0 0 14 0 14 14 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 88 0 0 8 0 8 8 0 8 0 mtagpl 96 159 0 0 4 0 4 4 0 8 0 mbufpl 256 2626 0 0 164 0 164 164 0 8 0 bufpl 280 16516 0 10379 439 0 439 439 0 8 0 anonpl 32 13300 0 0 108 0 108 108 0 246 0 amapchunkpl 152 57963 0 57487 41 7 34 35 0 158 10 amappl16 200 6583 0 6548 50 36 14 34 0 8 8 amappl15 192 62 0 62 1 1 0 1 0 8 0 amappl14 184 6 0 6 1 1 0 1 0 8 0 amappl13 176 461 0 460 1 0 1 1 0 8 0 amappl12 168 2313 0 2271 3 0 3 3 0 8 0 amappl11 160 19 0 19 1 1 0 1 0 8 0 amappl10 152 51 0 36 1 0 1 1 0 8 0 amappl9 144 263 0 263 1 1 0 1 0 8 0 amappl8 136 42 0 40 1 0 1 1 0 8 0 amappl7 128 112 0 111 1 0 1 1 0 8 0 amappl6 120 329 0 315 1 0 1 1 0 8 0 amappl5 112 90 0 79 1 0 1 1 0 8 0 amappl4 104 473 0 444 1 0 1 1 0 8 0 amappl3 96 9817 0 9725 4 1 3 3 0 8 0 amappl2 88 2059 0 1983 2 0 2 2 0 8 0 amappl1 80 17429 0 16838 17 3 14 15 0 8 0 amappl 88 15292 0 15132 5 0 5 5 0 92 0 uvmvnodes 80 139 0 0 3 0 3 3 0 8 0 dma16384 16384 1 0 1 1 1 0 1 0 8 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 128 257 0 257 3 3 0 1 0 8 0 dma64 64 8 0 8 2 2 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 12 0 0 1 0 1 1 0 8 0 uaddrrnd 24 1903 0 1873 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1903 0 1873 1 0 1 1 0 8 0 vmmpekpl 168 17546 0 17492 3 0 3 3 0 8 0 vmmpepl 168 127536 0 125651 112 16 96 112 0 357 5 vmsppl 488 1902 0 1873 5 0 5 5 0 8 0 rwobjpl 80 35762 0 34681 34 7 27 34 0 8 0 pdppl 4096 3817 0 3748 110 37 73 87 0 8 4 pvpl 32 19733 0 0 161 1 160 160 0 265 0 pmappl 256 1904 0 1873 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 461 0 54 12 0 12 12 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8380aff0) 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(ffffffff83a0a200) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a0a200) at __mp_lock+0x199 sys/kern/kern_lock.c:165 intr_handler(ffff80002a2c9c70,ffff800000079600) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff83a0a200) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a0a200) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 intr_handler(ffff80002a2c9de0,ffff80000006b400) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f __mp_lock(ffffffff83a0a200) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:134 [inline] __mp_lock(ffffffff83a0a200) at __mp_lock+0x1a3 sys/kern/kern_lock.c:165 ktrsyscall(ffff80002a273a00,79,18,ffff80002a2ca090) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff80002a273a00,79,18,ffff80002a2ca090) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80002a2ca090) at syscall+0x304 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a2ca090) at syscall+0x304 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x75006fb34180, count: -14 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(fffffd806f701a28,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806f701a10,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd806f701a10,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd805e8f0988,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd805e8f0988,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002a3860d0) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002a3860d0) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800001424ec0,fffffd8068273500,ffff8000303e4d28) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800001424ec0,fffffd8068273a00,fffffd8068273500,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800001424ec0,fffffd8068273500,ffff80002a386358,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000303e4d28,7,ffff80002a3864d8,e,ffff80002a386590) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff8000303e4d28,ffff80002a386640,ffff80002a386590) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002a386640) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a386640) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xa9a88f95e30, count: -15