witness: lock order reversal: 1st 0xffff800010fcbc88 sbufsnd (&so->so_snd.sb_lock) 2nd 0xfffffd8063779b48 inode (&ip->i_lock) lock order [1] sbufsnd (&so->so_snd.sb_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff833f0cbb -> 0xffffffff833676f0 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+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: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(fffffd8063779b48,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd8063779b30,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd8063779b30,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd805bd32bf0,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd805bd32bf0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002ebdb130) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002ebdb130) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fcbaa0,fffffd806fe7ff00,ffff800034fe4d18) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800010fcbaa0,fffffd806cc0bc00,fffffd806fe7ff00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800010fcbaa0,fffffd806fe7ff00,ffff80002ebdb3b8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff800034fe4d18,6,ffff80002ebdb538,e,ffff80002ebdb5f0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff800034fe4d18,ffff80002ebdb6a0,ffff80002ebdb5f0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002ebdb6a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ebdb6a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37efe0d75e0, count: -15 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80002ebdadb0 rbx 0 rdx 0xffff8000014715c0 rcx 0xffff800034fe4d18 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80002ebdac90 r9 0x8080808080808080 r10 0xf6d5fc65717328eb r11 0x4709807a3af6914 r12 0xfffffd8003f2c680 r13 0xfffffd8004714ac0 r14 0x3 r15 0xffffffff834049f1 substchar+0xa39c rip 0xffffffff81027c95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002ebdada0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=126923 pid=54208 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=50, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800034fe4550,0xffffffff839ef390 process=0xffff80002a3ce698 user=0xffff80002ebd6000, vmspace=0xfffffd806a6f6020 estcpu=36, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 54208 205532 58332 0 2 0 syz-executor *54208 126923 58332 0 7 0x4000000 syz-executor 48874 416032 82265 0 2 0 syz-executor 48874 230089 82265 0 3 0x4000080 fsleep syz-executor 51912 358077 32669 60929 2 0x10 syz-executor 51912 312261 32669 60929 3 0x4000010 biowait syz-executor 51912 511724 32669 60929 3 0x4000010 inode syz-executor 81697 165745 0 0 3 0x14200 acct acct 68393 196148 46007 0 7 0x2 syz-executor 58332 518863 46007 0 3 0x82 nanoslp syz-executor 82265 15386 46007 0 3 0x82 nanoslp syz-executor 11032 421293 46007 0 3 0x82 nanoslp syz-executor 18790 207629 46007 0 3 0x82 wait syz-executor 32669 486766 46007 0 3 0x82 nanoslp syz-executor 41469 430358 46007 0 2 0x2 syz-executor 30821 25523 46007 0 3 0x82 nanoslp syz-executor 46007 454119 77785 0 3 0x82 kqread syz-executor 77785 315594 3143 0 3 0x10008a sigsusp ksh 3143 459868 29782 0 3 0x98 kqread sshd-session 29782 201936 88291 0 3 0x92 kqread sshd-session 2703 17202 1 0 3 0x100083 ttyopn getty 88291 91278 1 0 3 0x88 kqread sshd 54623 153387 91406 74 3 0x1100092 bpf pflogd 91406 195529 1 0 3 0x80 sbwait pflogd 51385 29209 51106 73 3 0x1100090 kqread syslogd 51106 375660 1 0 3 0x100082 sbwait syslogd 45141 56480 1 0 3 0x100080 kqread resolvd 38938 195535 64282 77 3 0x100092 kqread dhcpleased 39479 263524 64282 77 3 0x100092 kqread dhcpleased 64282 71413 1 0 3 0x80 kqread dhcpleased 21344 444234 0 0 3 0x14200 bored smr 95432 222306 0 0 2 0x14200 zerothread 86018 7181 0 0 3 0x14200 aiodoned aiodoned 89252 475007 0 0 3 0x14200 syncer update 10430 74016 0 0 3 0x14200 cleaner cleaner 45341 302991 0 0 3 0x14200 reaper reaper 32930 379789 0 0 3 0x14200 pgdaemon pagedaemon 66806 322213 0 0 3 0x14200 bored viomb 30327 196221 0 0 3 0x40014200 acpi0 acpi0 53384 377148 0 0 3 0x40014200 idle1 72409 159706 0 0 3 0x14200 bored softnet1 45660 252193 0 0 2 0x14200 softnet0 11115 472433 0 0 3 0x14200 bored systqmp 48961 357721 0 0 3 0x14200 bored systq 57243 193242 0 0 3 0x14200 tmoslp softclockmp 64882 412499 0 0 3 0x40014200 tmoslp softclock 86160 52013 0 0 3 0x40014200 idle0 1 185451 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb{1}> show all locks Process 54208 (syz-executor) thread 0xffff800034fe4d18 (126923) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff8389d228) #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 (0xffff800010fcbc88) #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 51912 (syz-executor) thread 0xffff80003c423a18 (312261) exclusive rrwlock inode r = 0 (0xfffffd806e996ca8) #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:765 #9 Xsyscall+0x128 Process 51912 (syz-executor) thread 0xffff80003c4234e8 (511724) exclusive rrwlock inode r = 0 (0xfffffd8063779208) #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 sys_truncate+0x84 sys/kern/vfs_syscalls.c:2884 #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 68393 (syz-executor) thread 0xffff8000fffee018 (196148) exclusive rrwlock inode r = 0 (0xfffffd806e996b80) #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 (0xfffffd806c908200) #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 41469 (syz-executor) thread 0xffff8000ffffc538 (430358) exclusive rrwlock inode r = 0 (0xfffffd8063779d98) #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 (0xfffffd806fdf6c60) #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 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10213 11167K 11304K 166960K 11930 0 pcb 17 14K 16K 166960K 144 0 rtable 194 8K 9K 166960K 426 0 pf 35 17K 21K 166960K 105 0 ifaddr 33 5K 8K 166960K 75 0 ifgroup 51 2K 2K 166960K 118 0 sysctl 3 1K 9K 166960K 10 0 counters 66 36K 37K 166960K 142 0 ioctlops 0 0K 8K 166960K 1591 0 iov 0 0K 16K 166960K 27 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1425 90K 90K 166960K 1828 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 8 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 18 0 dirhash 12 2K 2K 166960K 24 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 244K 166960K 512 0 sigio 0 0K 0K 166960K 3 0 proc 72 115K 163K 166960K 573 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 1 0K 0K 166960K 53 0 in_multi 65 4K 7K 166960K 126 0 ether_multi 1 0K 0K 166960K 6 0 mrt 2 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 91 413K 413K 166960K 91 0 exec 0 0K 1K 166960K 424 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 237 143K 161K 166960K 6398 0 UVM aobj 10 4K 4K 166960K 10 0 pinsyscall 41 82K 106K 166960K 1615 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 11 0K 2K 166960K 49 0 temp 78 8660K 8728K 166960K 14011 0 kqueue 13 20K 32K 166960K 122 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 58 0 55 1 0 1 1 0 8 0 rtentry 176 122 0 44 6 0 6 6 0 8 0 unpcb 144 216 0 194 1 0 1 1 0 8 0 syncache 336 4 0 4 2 2 0 1 0 8 0 tcpqe 32 1 0 1 1 1 0 1 0 8 0 tcpcb 736 197 0 192 8 1 7 7 0 8 6 arp 136 18 0 6 1 0 1 1 0 8 0 inpcb 328 557 0 546 7 0 7 7 0 8 5 nd6 152 26 0 9 1 0 1 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 29 0 29 1 0 1 1 0 8 1 pppxif 1504 6 0 6 1 0 1 1 0 8 1 pffrag 232 6 0 0 1 0 1 1 0 482 0 pffrnode 88 6 0 0 1 0 1 1 0 8 0 pffrent 40 6 0 0 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 3 0 1 1 0 1 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pfstitem 24 47 0 1 1 0 1 1 0 8 0 pfstkey 128 47 0 1 2 0 2 2 0 8 0 pfstate 384 47 0 1 5 0 5 5 0 8 0 pfrule 1344 22 0 16 2 1 1 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 511 0 193 31 2 29 31 0 8 5 art_table 40 513 0 193 5 0 5 5 0 8 0 art_node 32 120 0 50 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 1 1 0 1 1 0 8 0 semapl 112 15 0 5 1 0 1 1 0 8 0 shmpl 112 7 0 0 1 0 1 1 0 8 0 dirhash 1024 25 0 8 3 0 3 3 0 8 0 dino2pl 256 2353 0 850 96 0 96 96 0 8 0 ffsino 296 2353 0 850 117 0 117 117 0 8 0 nchpl 144 3028 0 1332 64 0 64 64 0 8 0 rtmask 32 3 0 3 2 1 1 1 0 8 1 vnodes 216 2670 0 0 149 0 149 149 0 8 0 namei 1024 10677 0 10673 2 1 1 2 0 8 0 percpumem 16 86 0 38 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 70 0 44 3 0 3 3 0 8 0 scsiplug 72 2 0 2 2 1 1 1 0 8 1 scxspl 216 15127 0 15126 9 8 1 8 1 8 0 plimitpl 152 156 0 138 1 0 1 1 0 8 0 sigapl 424 797 0 750 7 1 6 7 0 8 0 knotepl 120 321 0 0 10 0 10 10 0 8 0 kqueuepl 224 179 0 170 3 1 2 2 0 8 1 pipepl 344 153 0 126 3 0 3 3 0 8 0 fdescpl 528 779 0 749 3 0 3 3 0 8 0 filepl 160 4660 0 4434 16 0 16 16 0 8 5 lockfpl 104 204 0 202 1 0 1 1 0 8 0 lockfspl 48 63 0 61 1 0 1 1 0 8 0 sessionpl 144 23 0 14 1 0 1 1 0 8 0 pgrppl 48 33 0 16 1 0 1 1 0 8 0 ucredpl 104 845 0 830 1 0 1 1 0 8 0 zombiepl 144 753 0 750 1 0 1 1 0 8 0 processpl 1232 797 0 750 5 1 4 5 0 8 0 procpl 664 1452 0 1401 6 0 6 6 0 8 0 sosppl 176 3 0 3 1 0 1 1 0 8 1 sockpl 752 837 0 801 11 0 11 11 0 8 7 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 128 0 0 16 0 16 16 0 8 0 mcl2k 2048 28 0 0 4 0 4 4 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 168 0 0 11 0 11 11 0 8 0 bufpl 280 5843 0 133 408 0 408 408 0 8 0 anonpl 32 8638 0 0 70 0 70 70 0 246 0 amapchunkpl 152 19837 0 19368 28 1 27 27 0 158 6 amappl16 200 2830 0 2783 21 8 13 19 0 8 8 amappl15 192 22 0 22 1 1 0 1 0 8 0 amappl14 184 19 0 19 1 1 0 1 0 8 0 amappl13 176 434 0 433 1 0 1 1 0 8 0 amappl12 168 1138 0 1097 3 0 3 3 0 8 0 amappl11 160 102 0 102 1 1 0 1 0 8 0 amappl10 152 49 0 35 1 0 1 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 33 0 31 1 0 1 1 0 8 0 amappl7 128 79 0 78 1 0 1 1 0 8 0 amappl6 120 276 0 262 1 0 1 1 0 8 0 amappl5 112 95 0 85 1 0 1 1 0 8 0 amappl4 104 420 0 389 1 0 1 1 0 8 0 amappl3 96 3416 0 3328 4 1 3 3 0 8 0 amappl2 88 892 0 817 2 0 2 2 0 8 0 amappl1 80 10689 0 10097 14 0 14 14 0 8 0 amappl 88 5602 0 5441 5 0 5 5 0 92 0 uvmvnodes 80 2670 0 0 55 0 55 55 0 8 0 dma4096 4096 2 0 2 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 128 254 0 254 2 2 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 9 0 0 1 0 1 1 0 8 0 uaddrrnd 24 779 0 749 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 779 0 749 1 0 1 1 0 8 0 vmmpekpl 168 8100 0 8061 3 0 3 3 0 8 0 vmmpepl 168 56774 0 54884 104 0 104 104 0 357 10 vmsppl 488 778 0 749 5 0 5 5 0 8 1 rwobjpl 80 20900 0 17286 75 0 75 75 0 8 0 pdppl 4096 1566 0 1498 100 28 72 88 0 8 4 pvpl 32 15478 0 0 126 1 125 125 0 265 0 pmappl 256 778 0 749 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 286 0 37 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83877ff0) 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+0xf kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0xf sys/dev/kcov.c:153 __mp_acquire_count(ffffffff8389d020,1) at __mp_acquire_count+0x58 sys/kern/kern_lock.c:-1 sleep_finish(ffffffffffffffff,1) at sleep_finish+0x2d8 sys/kern/kern_synch.c:367 biowait(fffffd806c543030) at biowait+0xc6 sys/kern/vfs_bio.c:1242 bwrite(fffffd806c543030) at bwrite+0x2e7 sys/kern/vfs_bio.c:754 VOP_BWRITE(fffffd806c543030) at VOP_BWRITE+0x60 sys/kern/vfs_vops.c:651 ufs_direnter(fffffd806c624a60,fffffd805b6277c0,ffff80002a3ca300,ffff80002a3ca630,fffffd805ba13588) at ufs_direnter+0x7ac sys/ufs/ufs/ufs_lookup.c:833 ufs_mkdir(ffff80002a3ca4a0) at ufs_mkdir+0x5d5 sys/ufs/ufs/ufs_vnops.c:1179 VOP_MKDIR(fffffd806c624a60,ffff80002a3ca600,ffff80002a3ca630,ffff80002a3ca530) at VOP_MKDIR+0x101 sys/kern/vfs_vops.c:394 domkdirat(ffff8000fffee018,ffffff9c,781137735020,1ff) at domkdirat+0x179 sys/kern/vfs_syscalls.c:3113 syscall(ffff80002a3ca7b0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a3ca7b0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7811377350c0, count: -15 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(fffffd8063779b48,9,0) at witness_checkorder+0x10b9 sys/kern/subr_witness.c:-1 rw_do_enter_write(fffffd8063779b30,1) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 rrw_enter(fffffd8063779b30,1) at rrw_enter+0xc6 sys/kern/kern_rwlock.c:621 VOP_LOCK(fffffd805bd32bf0,2001) at VOP_LOCK+0xa3 sys/kern/vfs_vops.c:527 vn_lock(fffffd805bd32bf0,2001) at vn_lock+0xa4 sys/kern/vfs_vnops.c:570 vfs_lookup(ffff80002ebdb130) at vfs_lookup+0x11c sys/kern/vfs_lookup.c:-1 namei(ffff80002ebdb130) at namei+0x7ca sys/kern/vfs_lookup.c:250 unp_connect(ffff800010fcbaa0,fffffd806fe7ff00,ffff800034fe4d18) at unp_connect+0x29d sys/kern/uipc_usrreq.c:872 uipc_dgram_send(ffff800010fcbaa0,fffffd806cc0bc00,fffffd806fe7ff00,0) at uipc_dgram_send+0x163 sys/kern/uipc_usrreq.c:609 sosend(ffff800010fcbaa0,fffffd806fe7ff00,ffff80002ebdb3b8,0,0,e) at sosend+0x804 sys/kern/uipc_socket.c:-1 sendit(ffff800034fe4d18,6,ffff80002ebdb538,e,ffff80002ebdb5f0) at sendit+0x5a5 sys/kern/uipc_syscalls.c:785 sys_sendmsg(ffff800034fe4d18,ffff80002ebdb6a0,ffff80002ebdb5f0) at sys_sendmsg+0x246 sys/kern/uipc_syscalls.c:603 syscall(ffff80002ebdb6a0) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002ebdb6a0) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x37efe0d75e0, count: -15