#!uwitness: lock order reversal: 1st 0xffff8000015c9c90 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd800c59f220 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833d32bf -> 0xffffffff8334590b 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:685 #7 vndioctl+0xdfb 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: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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic the kernel did not panic ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd800c59f220,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd800c59f208,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd800c59f208,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806e1515f8,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd806e1515f8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c455600) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c455600) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000015c9aa8,fffffd8066310c00,ffff80003c43a7f8) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000015c9aa8,fffffd80662ada00,fffffd8066310c00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000015c9aa8,fffffd8066310c00,ffff80003c455888,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c43a7f8,6,ffff80003c455a08,e,ffff80003c455ac0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c43a7f8,ffff80003c455b70,ffff80003c455ac0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c455b70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c455b70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xec16bf1ebe0, count: -15 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c455280 rbx 0 rdx 0xffff80000147e800 rcx 0xffff80003c43a7f8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c455160 r9 0x8080808080808080 r10 0x444b6c07add36372 r11 0x37556e9a747ff947 r12 0xfffffd8003eff680 r13 0xfffffd80046e7e78 r14 0x3 r15 0xffffffff833e2b64 substchar+0xf1da rip 0xffffffff831577a5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c455270 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=264973 pid=88432 tcnt=3 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003bc09778,0xffffffff83917b08 process=0xffff8000ffff44d8 user=0xffff80003c450000, vmspace=0xfffffd805dd8f028 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 21163 291689 53845 0 2 0 syz-executor 21163 459138 53845 0 3 0x4000080 ttyin syz-executor 88432 422179 84547 0 7 0 syz-executor 88432 101741 84547 0 3 0x4000080 sbwait syz-executor *88432 264973 84547 0 7 0x4000000 syz-executor 35731 238562 58008 0 2 0 syz-executor 35731 66135 58008 0 3 0x4000080 fsleep syz-executor 35731 37887 58008 0 3 0x4000080 fsleep syz-executor 43989 432553 44942 0 2 0 syz-executor 43989 16369 44942 0 3 0x4000000 smrbar syz-executor 43989 174367 44942 0 3 0x4000080 fsleep syz-executor 40346 423785 37925 0 2 0 syz-executor 40346 22500 37925 0 3 0x4000080 fsleep syz-executor 40346 320484 37925 0 3 0x4000080 kqpoll syz-executor 40346 76836 37925 0 3 0x4000080 fsleep syz-executor 58008 21712 98052 0 3 0x82 nanoslp syz-executor 7879 74445 89021 0 3 0x3000 suspend syz-executor 7879 202650 89021 0 3 0x4081000 biowait syz-executor 7879 456628 89021 0 3 0x4081000 inode syz-executor 7879 518953 89021 0 3 0x4081000 inode syz-executor 94303 195986 0 0 3 0x14280 nfsidl nfsio 83159 263567 0 0 3 0x14280 nfsidl nfsio 74278 213090 0 0 3 0x14280 nfsidl nfsio 57037 386620 0 0 3 0x14280 nfsidl nfsio 82287 170158 1 0 3 0x100083 ttyin getty 44942 152685 98052 0 3 0x82 nanoslp syz-executor 57194 451926 98052 0 3 0x2 biowait syz-executor 29556 317194 98052 0 3 0x82 wait syz-executor 89021 260359 98052 0 3 0x82 nanoslp syz-executor 37925 64215 98052 0 3 0x82 nanoslp syz-executor 84547 100261 98052 0 3 0x82 nanoslp syz-executor 53845 183173 98052 0 3 0x82 nanoslp syz-executor 49158 254604 0 0 3 0x14200 bored sosplice 98052 65196 87768 0 3 0x82 kqread syz-executor 87768 339959 9005 0 3 0x10008a sigsusp ksh 9005 369293 63944 0 3 0x98 kqread sshd-session 63944 463399 28933 0 3 0x92 kqread sshd-session 28933 101172 1 0 3 0x88 kqread sshd 11319 319336 18065 74 3 0x1100092 bpf pflogd 18065 313525 1 0 3 0x80 sbwait pflogd 37701 24950 24879 73 3 0x1100090 kqread syslogd 24879 149188 1 0 3 0x100082 sbwait syslogd 25520 164721 1 0 3 0x100080 kqread resolvd 22470 297965 0 0 3 0x14200 bored smr 75137 197334 0 0 2 0x14200 zerothread 67277 330104 0 0 3 0x14200 aiodoned aiodoned 45279 238152 0 0 3 0x14200 syncer update 69085 170413 0 0 3 0x14200 cleaner cleaner 68664 296157 0 0 3 0x14200 reaper reaper 41487 145274 0 0 3 0x14200 pgdaemon pagedaemon 40323 409597 0 0 3 0x14200 bored viomb 49472 404000 0 0 3 0x40014200 acpi0 acpi0 32467 459162 0 0 3 0x40014200 idle1 81179 361858 0 0 3 0x14200 bored softnet1 30777 28529 0 0 3 0x14200 bored softnet0 53112 17553 0 0 3 0x14200 bored systqmp 45667 95004 0 0 3 0x14200 bored systq 15212 368383 0 0 3 0x14200 tmoslp softclockmp 15323 364430 0 0 3 0x40014200 tmoslp softclock 21386 447586 0 0 3 0x40014200 idle0 1 370411 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 88432 (syz-executor) thread 0xffff80003c43a7f8 (264973) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83915fc0) #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 (0xffff8000015c9c90) #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 7879 (syz-executor) thread 0xffff80003c43ba20 (202650) exclusive rrwlock inode r = 0 (0xfffffd80737d9b58) #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 7879 (syz-executor) thread 0xffff80003bc08a80 (456628) exclusive rrwlock inode r = 0 (0xfffffd800b2aba40) #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 domknodat+0xb4 sys/kern/vfs_syscalls.c:1592 #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 57194 (syz-executor) thread 0xffff80003c422028 (451926) exclusive rrwlock inode r = 0 (0xfffffd806e1f5db0) #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 (0xfffffd800c59f348) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10232 11058K 12349K 166960K 16649 0 pcb 18 18K 22K 166960K 1416 0 rtable 169 13K 15K 166960K 1066 0 pf 32 17K 67486K 166960K 437 0 ifaddr 27 5K 9K 166960K 314 0 ifgroup 45 2K 2K 166960K 536 0 sysctl 4 1K 9K 166960K 38 0 counters 68 36K 38K 166960K 580 0 ioctlops 0 0K 4K 166960K 2537 0 iov 1 12K 28K 166960K 440 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1645 103K 104K 166960K 5561 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 616K 624K 166960K 82 0 VM map 2 1K 1K 166960K 2 0 sem 27 36K 37K 166960K 244 0 dirhash 12 2K 3K 166960K 81 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 4906 0 sigio 1 0K 0K 166960K 85 0 proc 69 99K 180K 166960K 1456 0 subproc 72 4K 8K 166960K 301 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 666 0 in_multi 43 3K 7K 166960K 505 0 ether_multi 1 0K 0K 166960K 58 0 mrt 1 0K 0K 166960K 34 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 283 1261K 1261K 166960K 283 0 exec 0 0K 1K 166960K 1393 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 10 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 233 129K 171K 166960K 44456 0 UVM aobj 200 7K 8K 166960K 209 0 pinsyscall 36 72K 110K 166960K 6412 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 395 0 NDP 12 0K 2K 166960K 235 0 temp 90 8656K 8912K 166960K 239842 0 kqueue 8 14K 36K 166960K 902 0 SYN cache 2 16K 16K 166960K 2 0 ddb{0}> 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 120 509 0 506 4 2 2 3 0 8 1 rtentry 176 368 0 316 6 1 5 5 0 8 0 unpcb 144 3474 0 3460 23 21 2 6 0 8 1 syncache 336 15 0 15 7 7 0 1 0 8 0 tcpqe 32 2 0 2 1 1 0 1 0 8 0 tcpcb 736 1854 0 1847 27 20 7 7 0 8 6 arp 136 39 0 30 1 0 1 1 0 8 0 inpcb 328 5809 0 5800 47 40 7 15 0 8 5 nd6 152 68 0 60 1 0 1 1 0 8 0 pkpcb 40 37 0 37 7 6 1 1 0 8 1 kcovpl 48 26 0 18 1 0 1 1 0 8 0 mppekey 1024 7 0 7 4 3 1 1 0 8 1 ppxss 1192 201 0 198 3 2 1 1 0 8 0 pppxif 1504 20 0 20 6 5 1 1 0 8 1 pffrag 232 51 0 42 1 0 1 1 0 482 0 pffrnode 88 48 0 40 1 0 1 1 0 8 0 pffrent 40 107 0 98 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 4 0 4 4 4 0 1 0 8 0 pfstitem 24 219 0 116 1 0 1 1 0 8 0 pfstkey 128 219 0 116 4 0 4 4 0 8 0 pfstate 384 219 0 116 11 0 11 11 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 rttmr 136 6 0 6 4 4 0 1 0 8 0 art_heap8 4096 4 0 0 4 0 4 4 0 8 0 art_heap4 256 1807 0 1597 45 19 26 28 0 8 6 art_table 40 1811 0 1597 6 1 5 5 0 8 0 art_node 32 360 0 318 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 12 1 0 1 1 0 8 0 semupl 112 6 0 6 4 4 0 1 0 8 0 semapl 112 228 0 203 1 0 1 1 0 8 0 shmpl 112 206 0 9 6 0 6 6 0 8 0 dirhash 1024 65 0 48 3 0 3 3 0 8 0 dino2pl 256 10285 0 8729 98 0 98 98 0 8 0 ffsino 296 10285 0 8729 121 0 121 121 0 8 0 nchpl 144 16819 0 15079 65 0 65 65 0 8 0 rtmask 32 35 0 34 4 3 1 1 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 60200 0 60196 4 3 1 2 0 8 0 percpumem 16 305 0 256 1 0 1 1 0 8 0 kstatmem 264 366 0 342 7 4 3 3 0 8 1 acpiwqpl 32 1 0 1 1 0 1 1 1 8 1 scsiplug 72 18 0 18 7 6 1 1 0 8 1 scxspl 216 131406 0 131404 24 22 2 8 1 8 1 plimitpl 152 1424 0 1406 1 0 1 1 0 8 0 sigapl 424 5154 0 5105 9 3 6 8 0 8 0 knotepl 120 913 0 0 27 0 27 27 0 8 0 kqueuepl 224 2140 0 2067 26 17 9 9 0 8 4 pipepl 344 741 0 714 13 10 3 9 0 8 0 fdescpl 528 5095 0 5067 3 0 3 3 0 8 0 filepl 160 36144 0 35859 41 25 16 19 0 8 3 lockfpl 104 2614 0 2609 4 3 1 2 0 8 0 lockfspl 48 939 0 935 1 0 1 1 0 8 0 sessionpl 144 44 0 36 1 0 1 1 0 8 0 pgrppl 48 115 0 99 1 0 1 1 0 8 0 ucredpl 104 6305 0 6294 1 0 1 1 0 8 0 zombiepl 144 5107 0 5105 1 0 1 1 0 8 0 processpl 1232 5154 0 5105 6 1 5 6 0 8 0 procpl 664 12932 0 12870 7 0 7 7 0 8 0 sosppl 168 21 0 21 6 6 0 1 0 8 0 sockpl 752 9994 0 9968 81 71 10 21 0 8 6 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 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 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 120 0 0 15 0 15 15 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 49 0 0 6 0 6 6 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 2271 0 0 137 0 137 137 0 8 0 bufpl 280 58216 0 52073 440 0 440 440 0 8 0 anonpl 32 16909 0 0 137 0 137 137 0 246 0 amapchunkpl 152 156639 0 155883 81 47 34 40 0 158 4 amappl16 200 20790 0 20565 122 102 20 37 0 8 3 amappl15 192 7 0 7 1 1 0 1 0 8 0 amappl14 184 156 0 147 1 0 1 1 0 8 0 amappl13 176 10 0 10 2 2 0 1 0 8 0 amappl12 168 6044 0 6016 4 2 2 3 0 8 0 amappl11 160 50 0 41 1 0 1 1 0 8 0 amappl10 152 3 0 3 1 1 0 1 0 8 0 amappl9 144 254 0 254 1 1 0 1 0 8 0 amappl8 136 35 0 32 1 0 1 1 0 8 0 amappl7 128 148 0 138 1 0 1 1 0 8 0 amappl6 120 357 0 353 1 0 1 1 0 8 0 amappl5 112 193 0 186 1 0 1 1 0 8 0 amappl4 104 332 0 312 1 0 1 1 0 8 0 amappl3 96 27927 0 27837 5 1 4 4 0 8 0 amappl2 88 5399 0 5336 2 0 2 2 0 8 0 amappl1 80 29051 0 28541 16 2 14 15 0 8 0 amappl 88 42685 0 42507 5 0 5 5 0 92 0 dma16384 16384 1 0 1 1 1 0 1 0 8 0 dma8192 8192 1 0 1 1 1 0 1 0 8 0 dma4096 4096 3 0 3 3 3 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 128 261 0 261 7 7 0 1 0 8 0 dma64 64 8 0 8 3 3 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 72 208 0 9 4 0 4 4 0 8 0 uaddrrnd 24 5095 0 5067 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5095 0 5067 1 0 1 1 0 8 0 vmmpekpl 168 35835 0 35769 4 0 4 4 0 8 0 vmmpepl 168 323914 0 321983 143 44 99 121 0 357 1 vmsppl 488 5094 0 5067 6 2 4 5 0 8 0 rwobjpl 80 88394 0 81250 159 7 152 154 0 8 0 pdppl 4096 10198 0 10134 144 76 68 88 0 8 4 pvpl 32 28791 0 0 232 0 232 232 0 265 0 pmappl 256 5094 0 5067 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 507 0 134 11 0 11 11 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(fffffd800c59f220,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd800c59f208,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd800c59f208,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd806e1515f8,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd806e1515f8,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c455600) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80003c455600) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff8000015c9aa8,fffffd8066310c00,ffff80003c43a7f8) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff8000015c9aa8,fffffd80662ada00,fffffd8066310c00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff8000015c9aa8,fffffd8066310c00,ffff80003c455888,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff80003c43a7f8,6,ffff80003c455a08,e,ffff80003c455ac0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff80003c43a7f8,ffff80003c455b70,ffff80003c455ac0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80003c455b70) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c455b70) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xec16bf1ebe0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff8000299edff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc syscall(ffff80003c45bbe0) at syscall+0xaf4 mi_syscall sys/sys/syscall_mi.h:175 [inline] syscall(ffff80003c45bbe0) at syscall+0xaf4 sys/arch/amd64/amd64/trap.c:746 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x73f6fe7a25a0, count: -6