witness: lock order reversal: 1st 0xffff800001325ca0 sbufrcv (&so->so_rcv.sb_lock) 2nd 0xfffffd806de71a88 inode (&ip->i_lock) lock order [1] sbufrcv (&so->so_rcv.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff83161d3f -> 0xffffffff830d64b2 is missing lock order [2] inode (&ip->i_lock) -> [1] 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 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:437 witness_checkorder(fffffd806de71a88,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806de71a70,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806de71a70,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd807aa9c450,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd807aa9c450,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_getcwd_common(fffffd807aa9c450,fffffd807aa9c450,0,0,200,0,c6519cd8ce5d054f) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 vn_isunder(fffffd807aa9c450,fffffd807aa9c450,ffff80003c5adc10) at vn_isunder+0x56 sys/kern/vfs_vnops.c:694 unp_externalize(fffffd80709bbd00,ec,0) at unp_externalize+0x286 sys/kern/uipc_usrreq.c:1086 soreceive(ffff800001325bc0,ffff80003c5f3d78,ffff80003c5f3d28,0,ffff80003c5f3d68,ffff80003c5f3eec,4c123c1c2945e32e) at soreceive+0xc73 sys/kern/uipc_socket.c:1015 recvit(ffff80003c5adc10,5,ffff80003c5f3ec0,0,ffff80003c5f3f70) at recvit+0x40a sys/kern/uipc_syscalls.c:1072 sys_recvmsg(ffff80003c5adc10,ffff80003c5f4020,ffff80003c5f3f70) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:872 syscall(ffff80003c5f4020) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5f4020) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50d8f0a9920, count: -14 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c5f3800 rbx 0xfffffd800433b3e8 rdx 0xffff80000132b640 rcx 0xffff80003c5adc10 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c5f36e0 r9 0x8080808080808080 r10 0xad5a0131546e0164 r11 0x31e4c26733700102 r12 0 r13 0xfffffd8003b53f00 r14 0x3 r15 0xffffffff rip 0xffffffff8239cdf5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c5f37f0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=26529 pid=75891 tcnt=3 stat=onproc flags process=1000000 proc=4000000 runpri=24, usrpri=86, slppri=24, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003c5ac038,0xffff80003c5ad998 process=0xffff80002a3c4248 user=0xffff80003c5ef000, vmspace=0xfffffd806a126028 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 58318 2571 54723 0 2 0 syz-executor 58318 194456 54723 0 3 0x4000080 fsleep syz-executor 35828 137546 4426 0 3 0x80 nanoslp syz-executor 35828 459203 4426 0 3 0x4000080 wsevent_read syz-executor 35828 354166 4426 0 3 0x4000080 fsleep syz-executor 75891 246835 28636 0 2 0x1000000 syz-executor *75891 26529 28636 0 7 0x5000000 syz-executor 75891 30960 28636 0 2 0x5000000 syz-executor 28636 34437 30774 0 3 0x82 nanoslp syz-executor 63475 120171 81172 0 3 0x80 nanoslp syz-executor 63475 152578 81172 0 3 0x4000080 lockf syz-executor 63475 359098 81172 0 3 0x4000080 fsleep syz-executor 48791 51685 88119 0 3 0x80 nanoslp syz-executor 48791 381081 88119 0 3 0x4000080 fifor syz-executor 48791 443610 88119 0 3 0x4000080 kqsel syz-executor 48791 27612 88119 0 3 0x4000080 fsleep syz-executor 43311 252982 1 0 3 0x100083 ttyin getty 58640 213009 0 0 3 0x14200 acct acct 88119 438679 30774 0 3 0x82 nanoslp syz-executor 86355 61635 30774 0 3 0x2 biowait syz-executor 66745 418869 0 0 3 0x14280 nfsidl nfsio 7657 520961 0 0 3 0x14280 nfsidl nfsio 46537 175335 0 0 3 0x14280 nfsidl nfsio 80528 118447 0 0 3 0x14280 nfsidl nfsio 80617 55054 0 0 3 0x14280 nfsidl nfsio 36536 6465 0 0 3 0x14280 nfsidl nfsio 69523 37748 0 0 3 0x14280 nfsidl nfsio 41009 511422 0 0 3 0x14280 nfsidl nfsio 78277 390943 0 0 3 0x14280 nfsidl nfsio 23004 524232 0 0 3 0x14280 nfsidl nfsio 11543 434794 0 0 3 0x14280 nfsidl nfsio 13353 86580 0 0 3 0x14280 nfsidl nfsio 30280 11047 0 0 3 0x14280 nfsidl nfsio 37340 313834 0 0 3 0x14280 nfsidl nfsio 71343 269649 0 0 3 0x14280 nfsidl nfsio 68748 360844 0 0 3 0x14280 nfsidl nfsio 41261 262040 0 0 3 0x14280 nfsidl nfsio 62766 96524 0 0 3 0x14280 nfsidl nfsio 54952 393970 0 0 3 0x14280 nfsidl nfsio 80543 351304 0 0 3 0x14280 nfsidl nfsio 6741 378163 0 0 3 0x14200 bored sosplice 81172 433111 30774 0 3 0x82 nanoslp syz-executor 4426 115320 30774 0 3 0x82 nanoslp syz-executor 89290 275957 30774 0 3 0x2 biowait syz-executor 54723 89742 30774 0 3 0x82 nanoslp syz-executor 71085 345553 30774 0 3 0x82 wait syz-executor 30774 488153 36378 0 3 0x82 kqread syz-executor 36378 502490 78223 0 3 0x10008a sigsusp ksh 78223 130305 43944 0 3 0x98 kqread sshd-session 43944 7581 13472 0 3 0x92 kqread sshd-session 13472 245447 1 0 3 0x88 kqread sshd 43486 56433 57128 74 3 0x1100092 bpf pflogd 57128 400298 1 0 3 0x80 sbwait pflogd 734 220776 74784 73 3 0x1100090 kqread syslogd 74784 512847 1 0 3 0x100082 sbwait syslogd 88306 469967 1 0 3 0x100080 kqread resolvd 26419 274425 8118 77 3 0x100092 kqread dhcpleased 36979 10273 8118 77 3 0x100092 kqread dhcpleased 8118 71778 1 0 3 0x80 kqread dhcpleased 46683 405912 0 0 3 0x14200 bored smr 52180 482963 0 0 2 0x14200 zerothread 17125 179395 0 0 3 0x14200 aiodoned aiodoned 12317 74637 0 0 3 0x14200 syncer update 98026 452443 0 0 3 0x14200 cleaner cleaner 63621 286073 0 0 3 0x14200 reaper reaper 31455 450859 0 0 3 0x14200 pgdaemon pagedaemon 67831 231912 0 0 3 0x14200 bored viomb 39156 513780 0 0 3 0x40014200 acpi0 acpi0 38688 365133 0 0 7 0x40014200 idle1 20246 357683 0 0 3 0x14200 bored softnet3 53749 307006 0 0 3 0x14200 bored softnet2 48485 383339 0 0 3 0x14200 bored softnet1 30795 414634 0 0 3 0x14200 bored softnet0 59911 235256 0 0 3 0x14200 bored systqmp 92850 280787 0 0 3 0x14200 bored systq 30491 3211 0 0 3 0x14200 tmoslp softclockmp 95449 358476 0 0 3 0x40014200 tmoslp softclock 76870 50112 0 0 3 0x40014200 idle0 1 513732 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 35828 (syz-executor) thread 0xffff8000ffff8530 (459203) exclusive rrwlock inode r = 0 (0xfffffd806dede518) #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 75891 (syz-executor) thread 0xffff80003c5adc10 (26529) 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_externalize+0x14e #2 soreceive+0xc73 sys/kern/uipc_socket.c:1015 #3 recvit+0x40a sys/kern/uipc_syscalls.c:1072 #4 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:872 #5 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 exclusive rwlock sbufrcv r = 0 (0xffff800001325ca0) #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 soreceive+0x28e sys/kern/uipc_socket.c:876 #4 recvit+0x40a sys/kern/uipc_syscalls.c:1072 #5 sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:872 #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 86355 (syz-executor) thread 0xffff80003c5ac7d0 (61635) exclusive rrwlock inode r = 0 (0xfffffd806dee41c8) #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 (0xfffffd806bec7888) #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 Process 89290 (syz-executor) thread 0xffff80002a44d6e0 (275957) exclusive rrwlock inode r = 0 (0xfffffd806e5832e8) #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 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:3102 #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 (0xfffffd806c73f768) #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 domkdirat+0x8b sys/kern/vfs_syscalls.c:3087 #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 10245 11119K 11367K 166960K 13338 0 pcb 17 20K 23K 166960K 273 0 rtable 158 6K 8K 166960K 637 0 pf 40 18K 26K 166960K 225 0 ifaddr 34 5K 7K 166960K 79 0 ifgroup 63 2K 2K 166960K 110 0 sysctl 4 1K 1K 166960K 4 0 counters 68 36K 37K 166960K 96 0 ioctlops 0 0K 4K 166960K 1843 0 iov 0 0K 16K 166960K 92 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1459 92K 92K 166960K 2935 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 18 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 54 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1690 195K 286K 166960K 12468 0 file desc 16 57K 93K 166960K 1349 0 sigio 0 0K 0K 166960K 27 0 proc 72 91K 128K 166960K 732 0 subproc 72 4K 4K 166960K 101 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 408 0 in_multi 62 4K 7K 166960K 183 0 ether_multi 1 0K 0K 166960K 2 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 265 1182K 1182K 166960K 265 0 exec 0 0K 1K 166960K 745 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 220 72K 87K 166960K 14044 0 UVM aobj 42 2K 2K 166960K 43 0 pinsyscall 41 82K 104K 166960K 2562 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 1 0K 0K 166960K 78 0 NDP 16 0K 2K 166960K 54 0 temp 79 6900K 7026K 166960K 60192 0 kqueue 13 20K 32K 166960K 239 0 SYN cache 2 10K 18K 166960K 3 0 ddb{0}> 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 120 223 0 219 4 2 2 3 0 8 1 rtentry 112 180 0 115 4 0 4 4 0 8 0 unpcb 144 995 0 971 10 4 6 6 0 8 5 syncache 336 12 0 12 2 1 1 1 0 8 1 tcpqe 32 2 0 2 1 0 1 1 0 8 1 tcpcb 808 533 0 526 11 7 4 8 0 8 3 arp 120 28 0 18 1 0 1 1 0 8 0 inpcb 376 2155 0 2142 32 22 10 21 0 8 7 nd6 136 41 0 22 1 0 1 1 0 8 0 pkpcb 40 6 0 6 1 0 1 1 0 8 1 kcovpl 48 11 0 3 1 0 1 1 0 8 0 ppxss 1168 7 0 7 2 1 1 1 0 8 1 pfstscr 40 1 0 1 1 0 1 1 0 8 1 pffrag 232 5 0 1 1 0 1 1 0 482 0 pffrnode 88 5 0 1 1 0 1 1 0 8 0 pffrent 40 54 0 50 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 24 129 0 28 1 0 1 1 0 8 0 pfstkey 128 130 0 29 4 0 4 4 0 8 0 pfstate 376 129 0 29 10 0 10 10 0 8 0 pfrule 1344 27 0 19 2 1 1 2 0 8 0 art_heap8 4096 6 0 3 6 1 5 6 0 8 2 art_heap4 256 773 0 482 30 7 23 29 0 8 0 art_table 32 779 0 485 4 0 4 4 0 8 0 art_node 16 176 0 121 1 0 1 1 0 8 0 sysvmsgpl 40 42 0 2 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 51 0 41 1 0 1 1 0 8 0 shmpl 112 40 0 1 2 0 2 2 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 3904 0 2390 95 0 95 95 0 8 0 ffsino 280 3904 0 2390 109 0 109 109 0 8 0 nchpl 144 5941 0 5332 63 40 23 63 0 8 0 uvmvnodes 80 4992 0 0 102 0 102 102 0 8 0 vnodes 216 4992 0 0 278 0 278 278 0 8 0 namei 1024 21955 0 21954 1 0 1 1 0 8 0 percpumem 16 62 0 14 1 0 1 1 0 8 0 kstatmem 264 56 0 28 3 0 3 3 0 8 1 scsiplug 72 7 0 7 2 1 1 1 0 8 1 scxspl 216 16716 0 16714 11 9 2 8 1 8 1 plimitpl 152 296 0 278 1 0 1 1 0 8 0 sigapl 424 1676 0 1606 9 0 9 9 0 8 0 futexpl 64 18527 0 18523 1 0 1 1 0 8 0 knotepl 120 578 0 0 18 0 18 18 0 8 0 kqueuepl 216 421 0 411 6 1 5 5 0 8 4 pipepl 328 425 0 398 8 0 8 8 0 8 5 fdescpl 504 1635 0 1605 5 0 5 5 0 8 0 filepl 152 12588 0 12351 21 3 18 18 0 8 8 lockfpl 104 704 0 698 3 1 2 2 0 8 1 lockfspl 48 290 0 285 1 0 1 1 0 8 0 sessionpl 144 37 0 28 1 0 1 1 0 8 0 pgrppl 48 55 0 38 1 0 1 1 0 8 0 ucredpl 104 2155 0 2140 1 0 1 1 0 8 0 zombiepl 144 1607 0 1606 1 0 1 1 0 8 0 processpl 1168 1676 0 1606 6 0 6 6 0 8 0 procpl 648 3570 0 3490 8 0 8 8 0 8 0 srpgc 96 10 0 10 1 1 0 1 0 8 0 sosppl 168 11 0 11 2 2 0 1 0 8 0 sockpl 688 3404 0 3363 37 24 13 25 0 8 8 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 131 0 0 17 0 17 17 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 46 0 0 2 0 2 2 0 8 0 mbufpl 256 668 0 0 42 0 42 42 0 8 0 bufpl 280 4923 0 144 342 0 342 342 0 8 0 anonpl 24 226405 0 222744 54 5 49 50 0 185 16 amapchunkpl 152 45259 0 44779 37 7 30 30 0 158 7 amappl16 200 5030 0 4994 28 16 12 16 0 8 8 amappl15 192 4 0 4 1 1 0 1 0 8 0 amappl14 184 141 0 129 1 0 1 1 0 8 0 amappl13 176 6 0 6 1 1 0 1 0 8 0 amappl12 168 2335 0 2304 3 1 2 2 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 4 0 4 1 1 0 1 0 8 0 amappl9 144 245 0 245 1 1 0 1 0 8 0 amappl8 136 25 0 22 1 0 1 1 0 8 0 amappl7 128 125 0 112 1 0 1 1 0 8 0 amappl6 120 212 0 208 1 0 1 1 0 8 0 amappl5 112 140 0 130 1 0 1 1 0 8 0 amappl4 104 372 0 349 1 0 1 1 0 8 0 amappl3 96 9231 0 9124 4 0 4 4 0 8 0 amappl2 88 784 0 722 2 0 2 2 0 8 0 amappl1 80 13987 0 13414 14 0 14 14 0 8 0 amappl 88 13499 0 13335 5 0 5 5 0 92 0 dma4096 4096 3 0 3 2 1 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 128 256 0 256 4 3 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 19 0 18 1 0 1 1 0 8 0 aobjpl 72 42 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1635 0 1605 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1635 0 1605 1 0 1 1 0 8 0 vmmpekpl 168 15355 0 15309 3 0 3 3 0 8 0 vmmpepl 168 106755 0 104920 107 5 102 102 0 357 12 vmsppl 456 1634 0 1605 6 1 5 5 0 8 0 rwobjpl 64 35203 0 29232 98 1 97 97 0 8 0 pdppl 4096 3277 0 3210 111 38 73 85 0 8 6 pvpl 32 16657 0 0 135 0 135 135 0 265 0 pmappl 248 1634 0 1605 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 342 0 57 9 0 9 9 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:437 witness_checkorder(fffffd806de71a88,9,0) at witness_checkorder+0x1047 rw_do_enter_write(fffffd806de71a70,1) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 rrw_enter(fffffd806de71a70,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 VOP_LOCK(fffffd807aa9c450,2001) at VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 vn_lock(fffffd807aa9c450,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_getcwd_common(fffffd807aa9c450,fffffd807aa9c450,0,0,200,0,c6519cd8ce5d054f) at vfs_getcwd_common+0xd1 sys/kern/vfs_getcwd.c:287 vn_isunder(fffffd807aa9c450,fffffd807aa9c450,ffff80003c5adc10) at vn_isunder+0x56 sys/kern/vfs_vnops.c:694 unp_externalize(fffffd80709bbd00,ec,0) at unp_externalize+0x286 sys/kern/uipc_usrreq.c:1086 soreceive(ffff800001325bc0,ffff80003c5f3d78,ffff80003c5f3d28,0,ffff80003c5f3d68,ffff80003c5f3eec,4c123c1c2945e32e) at soreceive+0xc73 sys/kern/uipc_socket.c:1015 recvit(ffff80003c5adc10,5,ffff80003c5f3ec0,0,ffff80003c5f3f70) at recvit+0x40a sys/kern/uipc_syscalls.c:1072 sys_recvmsg(ffff80003c5adc10,ffff80003c5f4020,ffff80003c5f3f70) at sys_recvmsg+0x1bf sys/kern/uipc_syscalls.c:872 syscall(ffff80003c5f4020) at syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c5f4020) at syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x50d8f0a9920, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029b5bff0) 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 acpicpu_idle() at acpicpu_idle+0x41e sys/dev/acpi/acpicpu.c:1218 sched_idle(ffff800029b5bff0) at sched_idle+0x558 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -5