witness: denied attempt to set clock forward to 13622315181289262 lock order reversal: denied attempt to set clock forward to 13622315181289262 1st 0xffff8000014a5e60 sbufsnd (&so->so_snd.sb_lock) denied attempt to set clock forward to 13622315181289262 2nd 0xfffffd806dd29410 inode (&ip->i_lock) denied attempt to set clock forward to 13622315181289262 lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff8341f248 -> 0xffffffff833bd23c 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:536 #2 soreceive+0x28e sys/kern/uipc_socket.c:881 #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 sys/kern/vfs_vnops.c:-1 #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 sys/kern/sys_generic.c:-1 #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:536 #2 sosplice+0x40d sys/kern/uipc_socket.c:1366 #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{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(fffffd806dd29410,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806dd293f8,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806dd293f8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd805dea3898,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805dea3898,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c416938) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c416938) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014a5c88,fffffd806f197700,ffff8000fffea548) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff8000014a5c88,fffffd805f411b00,fffffd806f197700,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff8000014a5c88,fffffd806f197700,ffff80003c416bb8,0,0,8) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffea548,3,ffff80003c416d30,8,ffff80003c416df0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff8000fffea548,ffff80003c416ea0,ffff80003c416df0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c416ea0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c416ea0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4b15a59e9f0, count: -15 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c4165b0 rbx 0xfffffd800472ce88 rdx 0xffff800001445a40 rcx 0xffff8000fffea548 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c416490 r9 0x8080808080808080 r10 0x26e544c06cc35d12 r11 0x2acd98769e4153da r12 0 r13 0xfffffd8003f44f40 r14 0x3 r15 0xffffffff rip 0xffffffff82428565 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c4165a0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=427414 pid=83228 tcnt=2 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=0xffff8000fffeb738,0xffff8000fffeaa78 process=0xffff8000fffe44c8 user=0xffff80003c411000, vmspace=0xfffffd806d10f790 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 43903 213089 3653 0 7 0 syz-executor 83228 63620 11085 0 2 0 syz-executor *83228 427414 11085 0 7 0x4000000 syz-executor 69234 190335 49579 0 2 0 syz-executor 69234 246382 49579 0 3 0x4000080 fsleep syz-executor 7510 344021 15747 0 2 0 syz-executor 7510 455737 15747 0 2 0x4000000 syz-executor 7510 149395 15747 0 3 0x4000080 fsleep syz-executor 69092 108417 61168 0 3 0x80 nanoslp syz-executor 69092 448107 61168 0 3 0x4000080 netcon syz-executor 69092 275587 61168 0 3 0x4000080 fsleep syz-executor 50941 205237 0 0 3 0x14200 acct acct 74294 253647 1 0 3 0x80 nanoslp init 2180 111797 0 0 3 0x14200 bored sosplice 3653 302555 21110 0 3 0x82 nanoslp syz-executor 23011 85079 21110 0 3 0x2 biowait syz-executor 15747 509847 21110 0 3 0x82 nanoslp syz-executor 52693 11475 21110 0 3 0x82 nanoslp syz-executor 49579 514136 21110 0 3 0x82 nanoslp syz-executor 11085 157611 21110 0 3 0x82 nanoslp syz-executor 61168 515072 21110 0 3 0x82 nanoslp syz-executor 78396 106436 21110 0 3 0x2 biowait syz-executor 21110 429079 17702 0 3 0x82 kqread syz-executor 17702 200635 37240 0 3 0x10008a sigsusp ksh 37240 419049 42504 0 3 0x98 kqread sshd-session 42504 274200 93566 0 3 0x92 kqread sshd-session 93566 38187 1 0 3 0x88 kqread sshd 9031 328397 53742 74 3 0x1100092 bpf pflogd 53742 272115 1 0 3 0x80 sbwait pflogd 20148 462666 12238 73 3 0x1100090 kqread syslogd 12238 278568 1 0 3 0x100082 sbwait syslogd 38014 296443 1 0 3 0x100080 kqread resolvd 22356 82306 91413 77 3 0x100092 kqread dhcpleased 14964 47975 91413 77 3 0x100092 kqread dhcpleased 91413 137856 1 0 3 0x80 kqread dhcpleased 80092 5632 0 0 3 0x14200 bored smr 68544 467718 0 0 3 0x14200 pgzero zerothread 11783 72113 0 0 3 0x14200 aiodoned aiodoned 31894 291735 0 0 3 0x14200 syncer update 92504 432030 0 0 3 0x14200 cleaner cleaner 52721 312650 0 0 3 0x14200 reaper reaper 49000 450562 0 0 3 0x14200 pgdaemon pagedaemon 73320 331505 0 0 3 0x14200 bored viomb 36814 297112 0 0 3 0x40014200 acpi0 acpi0 4065 454501 0 0 3 0x40014200 idle1 31063 167630 0 0 3 0x14200 bored softnet3 34156 13470 0 0 3 0x14200 bored softnet2 26836 317599 0 0 3 0x14200 bored softnet1 34069 253024 0 0 3 0x14200 bored softnet0 16822 395835 0 0 3 0x14200 bored systqmp 99724 417916 0 0 3 0x14200 bored systq 6948 33488 0 0 3 0x14200 tmoslp softclockmp 99085 3792 0 0 3 0x40014200 tmoslp softclock 94341 488440 0 0 3 0x40014200 idle0 1 248389 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{0}> show all locks Process 83228 (syz-executor) thread 0xffff8000fffea548 (427414) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff838c1ae0) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 unp_connect+0x26c sys/kern/uipc_usrreq.c:868 #2 uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 #3 sosend+0x804 sys/kern/uipc_socket.c:-1 #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 (0xffff8000014a5e60) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sblock+0xb7 sys/kern/uipc_socket2.c:536 #3 sosend+0x2e2 sys/kern/uipc_socket.c:630 #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 23011 (syz-executor) thread 0xffff8000ffff07d0 (85079) exclusive rrwlock inode r = 0 (0xfffffd806dd7ec08) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #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:1866 #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 (0xfffffd806cb1a8b8) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #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:1866 #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 Process 78396 (syz-executor) thread 0xffff8000ffff22a0 (106436) exclusive rrwlock inode r = 0 (0xfffffd806be4be20) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #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 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:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3117 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807d907790) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1160 #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3102 #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10243 11190K 11249K 166960K 11808 0 pcb 17 12K 12K 166960K 101 0 rtable 227 8K 8K 166960K 439 0 pf 39 18K 19K 166960K 84 0 ifaddr 42 7K 7K 166960K 67 0 ifgroup 63 2K 3K 166960K 110 0 sysctl 2 1K 3K 166960K 3 0 counters 68 36K 37K 166960K 110 0 ioctlops 0 0K 4K 166960K 1537 0 iov 0 0K 12K 166960K 18 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1349 85K 85K 166960K 1744 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 23 0 dirhash 12 2K 2K 166960K 21 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 97K 166960K 583 0 sigio 0 0K 0K 166960K 7 0 proc 63 79K 140K 166960K 562 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 114 0 in_multi 87 6K 7K 166960K 115 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 235 1049K 1049K 166960K 235 0 exec 0 0K 1K 166960K 410 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 227 164K 183K 166960K 7062 0 UVM aobj 32 2K 2K 166960K 32 0 pinsyscall 40 80K 106K 166960K 1704 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 12 0 NDP 14 0K 1K 166960K 42 0 temp 54 8678K 8746K 166960K 15068 0 kqueue 13 20K 34K 166960K 91 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 120 166 0 163 3 0 3 3 0 8 2 rtentry 176 126 0 24 6 0 6 6 0 8 0 unpcb 144 462 0 444 4 3 1 4 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 808 110 0 102 2 1 1 2 0 8 0 arp 128 18 0 2 1 0 1 1 0 8 0 inpcb 384 438 0 427 5 0 5 5 0 8 3 nd6 144 29 0 3 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 1 0 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 1 0 1 0 8 0 ppxss 1192 13 0 13 2 1 1 1 0 8 1 pppxif 1504 7 0 7 2 1 1 1 0 8 1 pffrag 232 4 0 1 1 0 1 1 0 482 0 pffrnode 88 4 0 1 1 0 1 1 0 8 0 pffrent 40 38 0 35 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 51 0 12 1 0 1 1 0 8 0 pfstkey 128 51 0 12 2 0 2 2 0 8 0 pfstate 384 51 0 12 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 1 0 0 1 0 1 1 0 8 0 art_heap4 256 496 0 84 29 2 27 29 0 8 0 art_table 32 497 0 84 4 0 4 4 0 8 0 art_node 16 123 0 31 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 3 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 29 0 0 1 0 1 1 0 8 0 dirhash 1024 23 0 6 3 0 3 3 0 8 0 dino2pl 256 2425 0 915 95 0 95 95 0 8 0 ffsino 288 2425 0 915 109 0 109 109 0 8 0 nchpl 144 3240 0 1553 64 1 63 64 0 8 0 uvmvnodes 80 2679 0 0 55 0 55 55 0 8 0 vnodes 216 2679 0 0 149 0 149 149 0 8 0 namei 1024 10174 0 10172 3 1 2 2 0 8 1 percpumem 16 70 0 21 1 0 1 1 0 8 0 kstatmem 264 52 0 24 4 1 3 3 0 8 1 scsiplug 72 1 0 1 1 1 0 1 0 8 0 scxspl 216 10173 0 10170 11 3 8 8 1 8 7 plimitpl 152 172 0 156 1 0 1 1 0 8 0 sigapl 424 898 0 848 8 2 6 7 0 8 0 futexpl 64 6347 0 6344 1 0 1 1 0 8 0 knotepl 120 308 0 0 10 0 10 10 0 8 0 kqueuepl 224 220 0 211 5 2 3 3 0 8 2 pipepl 336 213 0 186 3 0 3 3 0 8 0 fdescpl 520 876 0 846 3 0 3 3 0 8 0 filepl 160 4547 0 4334 18 3 15 15 0 8 4 lockfpl 104 117 0 115 1 0 1 1 0 8 0 lockfspl 48 49 0 47 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 35 0 19 1 0 1 1 0 8 0 ucredpl 104 690 0 676 1 0 1 1 0 8 0 zombiepl 144 849 0 848 1 0 1 1 0 8 0 processpl 1192 898 0 848 5 0 5 5 0 8 0 procpl 656 1631 0 1575 8 2 6 7 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 1 0 0 1 0 1 1 0 8 0 sockpl 728 1076 0 1044 19 6 13 13 0 8 8 mcl64k 65536 16 0 0 2 0 2 2 0 8 0 mcl16k 16384 13 0 0 2 0 2 2 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 113 0 0 15 0 15 15 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 30 0 0 4 0 4 4 0 8 0 mtagpl 96 13 0 0 1 0 1 1 0 8 0 mbufpl 256 822 0 0 51 0 51 51 0 8 0 bufpl 280 4502 0 125 313 0 313 313 0 8 0 anonpl 32 9338 0 0 76 0 76 76 0 246 0 amapchunkpl 152 22516 0 22009 33 2 31 32 0 158 8 amappl16 200 2948 0 2890 18 7 11 16 0 8 5 amappl15 192 24 0 23 1 0 1 1 0 8 0 amappl14 184 118 0 107 1 0 1 1 0 8 0 amappl13 176 4 0 4 1 1 0 1 0 8 0 amappl12 168 1539 0 1511 4 2 2 3 0 8 0 amappl11 160 51 0 36 1 0 1 1 0 8 0 amappl10 152 5 0 5 1 1 0 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 29 0 25 1 0 1 1 0 8 0 amappl7 128 112 0 101 1 0 1 1 0 8 0 amappl6 120 187 0 184 1 0 1 1 0 8 0 amappl5 112 136 0 126 1 0 1 1 0 8 0 amappl4 104 333 0 313 1 0 1 1 0 8 0 amappl3 96 4324 0 4229 5 1 4 4 0 8 1 amappl2 88 653 0 592 2 0 2 2 0 8 0 amappl1 80 10302 0 9731 14 0 14 14 0 8 0 amappl 88 6268 0 6111 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 128 253 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 31 0 0 1 0 1 1 0 8 0 uaddrrnd 24 876 0 846 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 876 0 846 1 0 1 1 0 8 0 vmmpekpl 168 8879 0 8837 3 0 3 3 0 8 0 vmmpepl 168 60678 0 58778 100 3 97 100 0 357 6 vmsppl 480 875 0 846 5 1 4 5 0 8 0 rwobjpl 72 21105 0 17489 67 0 67 67 0 8 0 pdppl 4096 1760 0 1692 110 38 72 88 0 8 4 pvpl 32 15664 0 0 127 0 127 127 0 265 0 pmappl 256 875 0 846 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 440 0 46 12 0 12 12 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(fffffd806dd29410,9,0) at witness_checkorder+0x10fb sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd806dd293f8,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806dd293f8,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd805dea3898,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd805dea3898,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80003c416938) at vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 namei(ffff80003c416938) at namei+0x7aa sys/kern/vfs_lookup.c:250 unp_connect(ffff8000014a5c88,fffffd806f197700,ffff8000fffea548) at unp_connect+0x27d sys/kern/uipc_usrreq.c:868 uipc_dgram_send(ffff8000014a5c88,fffffd805f411b00,fffffd806f197700,0) at uipc_dgram_send+0x131 sys/kern/uipc_usrreq.c:607 sosend(ffff8000014a5c88,fffffd806f197700,ffff80003c416bb8,0,0,8) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff8000fffea548,3,ffff80003c416d30,8,ffff80003c416df0) at sendit+0x721 sys/kern/uipc_syscalls.c:779 sys_sendmsg(ffff8000fffea548,ffff80003c416ea0,ffff80003c416df0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:597 syscall(ffff80003c416ea0) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c416ea0) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4b15a59e9f0, 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 __mp_lock(ffffffff838c18d8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838c18d8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 sys_mmap(ffff8000fffeacf8,ffff8000387fee70,ffff8000387fedc0) at sys_mmap+0x62f sys/uvm/uvm_mmap.c:292 syscall(ffff8000387fee70) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff8000387fee70) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x71d9fcd1eab0, count: -7