witness: lock order reversal: 1st 0xfffffd8068a33820 fdlock (&newfdp->fd_fd.fd_lock) 2nd 0xfffffd806e2b80a8 inode (&ip->i_lock) lock order [1] fdlock (&newfdp->fd_fd.fd_lock) -> [2] inode (&ip->i_lock) lock order data 0xffffffff8294f5d0 -> 0xffffffff828d64a9 is missing lock order [2] inode (&ip->i_lock) -> [3] sbufrcv (&so->so_rcv.sb_lock) #0 rw_enter+0xd1 #1 sblock+0x8a sys/kern/uipc_socket2.c:548 #2 soreceive+0x201 sys/kern/uipc_socket.c:876 #3 fifo_read+0xd2 sys/miscfs/fifofs/fifo_vnops.c:256 #4 VOP_READ+0xc3 sys/kern/vfs_vops.c:227 #5 vn_rdwr+0x10a #6 vndsetcred+0x86 sys/dev/vnd.c:684 #7 vndioctl+0xac1 sys/dev/vnd.c:485 #8 VOP_IOCTL+0x9a sys/kern/vfs_vops.c:264 #9 vn_ioctl+0xc0 sys/kern/vfs_vnops.c:525 #10 sys_ioctl+0x4a9 #11 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 lock order [3] sbufrcv (&so->so_rcv.sb_lock) -> [1] fdlock (&newfdp->fd_fd.fd_lock) #0 rw_enter_write+0x5f sys/kern/kern_rwlock.c:128 #1 unp_externalize+0x2df sys/kern/uipc_usrreq.c:1074 #2 soreceive+0x9ff sys/kern/uipc_socket.c:1021 #3 recvit+0x321 sys/kern/uipc_syscalls.c:1082 #4 sys_recvmsg+0x138 sys/kern/uipc_syscalls.c:882 #5 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #5 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #6 Xsyscall+0x128 Stopped at db_enter+0x1c: 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806e2b80a8,9,0) at witness_checkorder+0xc05 rw_enter(fffffd806e2b8098,1) at rw_enter+0xd1 rrw_enter(fffffd806e2b8098,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806e2c18b0,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd806e2c18b0,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vn_closefile(fffffd806a642098,ffff80002a1fecf0) at vn_closefile+0xc9 vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806a642098,ffff80002a1fecf0) at vn_closefile+0xc9 sys/kern/vfs_vnops.c:609 fdrop(fffffd806a642098,ffff80002a1fecf0) at fdrop+0xd5 sys/kern/kern_descrip.c:1274 knote_remove(ffff80002a1fecf0,fffffd806ee390d8,fffffd806ee39160,3,0) at knote_remove+0x329 sys/kern/kern_event.c:1899 knote_fdclose(ffff80002a1fecf0,3) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdrelease(ffff80002a1fecf0,3) at fdrelease+0xa6 sys/kern/kern_descrip.c:758 syscall(ffff80002bced080) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bced080) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e63214010, count: -13 ddb{1}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80002bcecb40 rbx 0xffffffff828e9404 pp_r600_decoded_lanes+0x2e88d rdx 0xffff800000de1ec0 rcx 0xffff80002a1fecf0 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80002bceca20 r9 0x8080808080808080 r10 0x17956b27a92c6a28 r11 0xe7baa0f6ef1c7e5c r12 0xfffffd8003b26460 r13 0xfffffd800333ddc0 r14 0x3 r15 0xffffffff rip 0xffffffff81cae62c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002bcecb30 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.2) tid=405458 pid=93680 tcnt=3 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=85, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffcce0,0xffffffff82ea1428 process=0xffff800038df7150 user=0xffff80002bce8000, vmspace=0xfffffd8069b85018 estcpu=35, cpticks=0, pctcpu=0.0, user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 33109 50433 50250 0 2 0x8000000 syz-executor.5 33109 81647 50250 0 3 0xc000000 biowait syz-executor.5 39578 418221 25348 0 2 0x8000000 syz-executor.7 39578 131695 25348 0 3 0xc000080 ttyopn syz-executor.7 93680 408371 60513 0 7 0x8000000 syz-executor.2 93680 231424 60513 0 3 0xc000080 piperd syz-executor.2 *93680 405458 60513 0 7 0xc000000 syz-executor.2 79525 332394 56519 0 3 0x8000080 nanoslp syz-executor.3 79525 173186 56519 0 3 0xc000080 ttyin syz-executor.3 79525 155552 56519 0 3 0xc000080 fsleep syz-executor.3 92629 10022 6097 0 3 0x8000080 nanoslp syz-executor.6 92629 458954 6097 0 3 0xc000080 kqsel syz-executor.6 92629 447800 6097 0 3 0xc000080 fsleep syz-executor.6 92629 894 6097 0 3 0xc000080 fsleep syz-executor.6 4264 26717 1 0 3 0x8000080 fsleep syz-executor.4 4264 74820 1 0 3 0xc000080 sbwait syz-executor.4 16468 145248 0 0 3 0x14280 nfsidl nfsio 26324 151914 0 0 3 0x14280 nfsidl nfsio 26005 83581 0 0 3 0x14280 nfsidl nfsio 9345 87675 0 0 3 0x14280 nfsidl nfsio 63108 151613 0 0 3 0x14280 nfsidl nfsio 5941 311867 0 0 3 0x14280 nfsidl nfsio 11505 505972 0 0 3 0x14280 nfsidl nfsio 9475 308612 0 0 3 0x14280 nfsidl nfsio 7307 488830 0 0 3 0x14280 nfsidl nfsio 2682 133293 0 0 3 0x14280 nfsidl nfsio 39717 47817 0 0 3 0x14280 nfsidl nfsio 7556 501644 0 0 3 0x14280 nfsidl nfsio 30861 160435 0 0 3 0x14280 nfsidl nfsio 96043 423922 0 0 3 0x14280 nfsidl nfsio 90155 183673 0 0 3 0x14280 nfsidl nfsio 31914 246254 0 0 3 0x14280 nfsidl nfsio 21714 516441 0 0 3 0x14280 nfsidl nfsio 77075 94583 0 0 3 0x14280 nfsidl nfsio 90372 428367 0 0 3 0x14280 nfsidl nfsio 84815 410231 0 0 3 0x14280 nfsidl nfsio 19197 360786 49472 0 3 0x8000082 nanoslp syz-executor.1 41428 204687 1 0 3 0x8000080 fsleep syz-executor.1 41428 454344 1 0 3 0xc000080 wsevent_read syz-executor.1 60513 257300 49472 0 3 0x8000082 nanoslp syz-executor.2 6097 440254 49472 0 3 0x8000082 nanoslp syz-executor.6 9683 225136 49472 0 3 0x8000082 nanoslp syz-executor.0 50250 496846 49472 0 3 0x8000082 nanoslp syz-executor.5 54103 211712 1 0 3 0x18100083 ttyin getty 43823 330503 0 0 3 0x14200 bored sosplice 56519 146150 49472 0 3 0x8000082 nanoslp syz-executor.3 25348 517634 49472 0 3 0x8000082 nanoslp syz-executor.7 49472 32862 84973 0 3 0x1a000082 wait syz-fuzzer 49472 496928 84973 0 3 0x1e000082 nanoslp syz-fuzzer 49472 165504 84973 0 3 0x1e000082 wait syz-fuzzer 49472 15632 84973 0 3 0x1e000082 thrsleep syz-fuzzer 49472 36866 84973 0 3 0x1e000082 thrsleep syz-fuzzer 49472 82000 84973 0 3 0x1e000082 thrsleep syz-fuzzer 49472 141223 84973 0 3 0x1e000082 thrsleep syz-fuzzer 49472 479964 84973 0 3 0x1e000082 wait syz-fuzzer 49472 300329 84973 0 3 0x1e000002 biowait syz-fuzzer 49472 163998 84973 0 3 0x1e000082 wait syz-fuzzer 49472 513827 84973 0 3 0x1e000082 thrsleep syz-fuzzer 49472 502593 84973 0 3 0x1e000082 wait syz-fuzzer 49472 94555 84973 0 3 0x1e000082 wait syz-fuzzer 49472 448453 84973 0 3 0x1e000082 kqread syz-fuzzer 49472 224802 84973 0 3 0x1e000082 thrsleep syz-fuzzer 49472 490257 84973 0 3 0x1e000082 wait syz-fuzzer 84973 516706 3853 0 3 0x810008a sigsusp ksh 3853 200869 28318 0 3 0x1800009a kqread sshd 28318 337825 1 0 3 0x18000088 kqread sshd 45618 328559 26634 73 3 0x19100090 kqread syslogd 26634 310054 1 0 3 0x18100082 sbwait syslogd 71027 280901 1 0 3 0x18100080 kqread resolvd 94819 403465 55758 77 3 0x18100092 kqread dhcpleased 34272 277025 55758 77 3 0x18100092 kqread dhcpleased 55758 421529 1 0 3 0x18000080 kqread dhcpleased 83473 250566 0 0 3 0x14200 bored smr 7247 519071 0 0 2 0x14200 zerothread 88124 511121 0 0 3 0x14200 aiodoned aiodoned 71447 125215 0 0 3 0x14200 syncer update 28589 165266 0 0 3 0x14200 cleaner cleaner 79035 496535 0 0 3 0x14200 reaper reaper 65643 225692 0 0 3 0x14200 pgdaemon pagedaemon 58362 46601 0 0 3 0x14200 bored viomb 97244 148177 0 0 3 0x40014200 acpi0 acpi0 97238 439105 0 0 3 0x40014200 idle1 38107 336111 0 0 3 0x14200 bored softnet3 39779 236778 0 0 3 0x14200 bored softnet2 2985 337681 0 0 3 0x14200 bored softnet1 74595 255894 0 0 3 0x14200 bored softnet0 71201 242548 0 0 3 0x14200 bored systqmp 20853 47313 0 0 3 0x14200 bored systq 72401 363106 0 0 3 0x14200 tmoslp softclockmp 49326 124408 0 0 3 0x40014200 tmoslp softclock 80837 316729 0 0 3 0x40014200 idle0 1 407999 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 33109 (syz-executor.5) thread 0xffff8000ffffcce0 (81647) exclusive rrwlock inode r = 0 (0xfffffd80684b9b48) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_makeinode+0xb0 sys/ufs/ufs/ufs_vnops.c:1728 #8 ufs_mknod+0x52 sys/ufs/ufs/ufs_vnops.c:167 #9 VOP_MKNOD+0xc3 sys/kern/vfs_vops.c:121 #10 domknodat+0x322 sys/kern/vfs_syscalls.c:1628 #11 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #11 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8067b2c3d0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 domknodat+0x95 sys/kern/vfs_syscalls.c:1580 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 93680 (syz-executor.2) thread 0xffff80002a1fecf0 (405458) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82dea520) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 vn_closefile+0x38 sys/kern/vfs_vnops.c:602 #2 fdrop+0xd5 sys/kern/kern_descrip.c:1274 #3 knote_remove+0x329 sys/kern/kern_event.c:1899 #4 knote_fdclose+0xae sys/kern/kern_event.c:1934 #5 fdrelease+0xa6 sys/kern/kern_descrip.c:758 #6 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock fdlock r = 0 (0xfffffd8068a33820) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 sys_close+0x8e sys/kern/kern_descrip.c:776 #2 syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] #2 syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 #3 Xsyscall+0x128 Process 49472 (syz-fuzzer) thread 0xffff8000ffff6ce8 (300329) exclusive rrwlock inode r = 0 (0xfffffd806f4b41b0) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x46 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x1e4 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0xe6 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:394 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3104 #10 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #10 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807e7c8808) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 rw_enter+0x32d sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x91 sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 #4 vn_lock+0x85 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd3 sys/kern/vfs_lookup.c:418 #6 namei+0x56a sys/kern/vfs_lookup.c:250 #7 domkdirat+0x79 sys/kern/vfs_syscalls.c:3089 #8 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #8 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10193 6445K 6805K 166960K 11888 0 pcb 17 12K 12K 166960K 179 0 rtable 169 5K 7K 166960K 688 0 pf 30 9K 10K 166960K 94 0 ifaddr 37 14K 16K 166960K 102 0 ifgroup 51 2K 2K 166960K 130 0 sysctl 2 1K 2K 166960K 5 0 counters 64 36K 37K 166960K 114 0 ioctlops 0 0K 4K 166960K 1552 0 iov 0 0K 16K 166960K 71 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1382 87K 87K 166960K 1944 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 3 14K 14K 166960K 33 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 106 0 dirhash 12 2K 3K 166960K 27 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 93K 166960K 1288 0 sigio 0 0K 0K 166960K 26 0 proc 58 79K 127K 166960K 786 0 subproc 117 7K 7K 166960K 195 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 2 0K 0K 166960K 209 0 in_multi 65 5K 7K 166960K 225 0 ether_multi 1 0K 0K 166960K 14 0 mrt 2 0K 0K 166960K 4 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 97 440K 440K 166960K 97 0 exec 0 0K 1K 166960K 584 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 315 93K 103K 166960K 13432 0 UVM aobj 24 6K 6K 166960K 26 0 pinsyscall 37 74K 100K 166960K 2616 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 66 0 NDP 11 0K 1K 166960K 67 0 temp 80 6808K 6881K 166960K 48066 0 kqueue 14 22K 28K 166960K 211 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 148 0 143 1 0 1 1 0 8 0 rtentry 112 230 0 154 4 0 4 4 0 8 0 unpcb 144 870 0 844 5 3 2 2 0 8 0 syncache 336 8 0 8 3 3 0 1 0 8 0 tcpqe 32 54 0 54 1 1 0 1 0 8 0 tcpcb 808 362 0 355 5 3 2 2 0 8 1 arp 120 41 0 24 1 0 1 1 0 8 0 inpcb 384 1222 0 1208 13 11 2 3 0 8 0 nd6 136 56 0 39 2 0 2 2 0 8 0 pkpcb 40 12 0 12 5 4 1 1 0 8 1 kcovpl 48 15 0 6 1 0 1 1 0 8 0 ppxss 1168 12 0 12 8 7 1 1 0 8 1 pffrag 232 9 0 9 1 1 0 1 0 482 0 pffrnode 88 9 0 9 1 1 0 1 0 8 0 pffrent 40 99 0 99 1 1 0 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 24 128 0 106 1 0 1 1 0 8 0 pfstkey 128 128 0 106 2 1 1 2 0 8 0 pfstate 376 128 0 106 5 2 3 5 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 871 0 572 33 7 26 30 0 8 1 art_table 32 872 0 572 4 0 4 4 0 8 0 art_node 16 227 0 159 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 3 1 0 1 1 0 8 0 semapl 112 104 0 94 1 0 1 1 0 8 0 shmpl 112 23 0 2 1 0 1 1 0 8 0 dirhash 1024 27 0 10 3 0 3 3 0 8 0 dino2pl 256 3529 0 1998 96 0 96 96 0 8 0 ffsino 272 3529 0 1998 103 0 103 103 0 8 0 nchpl 144 5615 0 3870 67 0 67 67 0 8 0 uvmvnodes 80 3900 0 0 80 0 80 80 0 8 0 vnodes 216 3900 0 0 217 0 217 217 0 8 0 namei 1024 19399 0 19397 7 6 1 2 0 8 0 percpumem 16 71 0 25 1 0 1 1 0 8 0 vcpupl 3904 5 0 0 1 0 1 1 0 8 0 vmpool 696 15 0 10 2 1 1 1 0 8 0 kstatmem 264 72 0 50 2 0 2 2 0 8 0 scsiplug 72 6 0 6 5 5 0 1 0 8 0 scxspl 216 33728 0 33726 18 16 2 8 1 8 1 plimitpl 152 265 0 249 1 0 1 1 0 8 0 sigapl 424 1606 0 1538 9 1 8 8 0 8 0 futexpl 64 23119 0 23114 3 2 1 1 0 8 0 knotepl 120 543 0 0 16 0 16 16 0 8 0 kqueuepl 216 414 0 402 1 0 1 1 0 8 0 pipepl 320 304 0 276 3 0 3 3 0 8 0 fdescpl 496 1564 0 1536 6 2 4 5 0 8 0 filepl 152 10062 0 9776 13 1 12 12 0 8 0 lockfpl 104 341 0 338 1 0 1 1 0 8 0 lockfspl 48 157 0 154 1 0 1 1 0 8 0 sessionpl 144 31 0 14 1 0 1 1 0 8 0 pgrppl 48 49 0 32 1 0 1 1 0 8 0 ucredpl 104 1687 0 1674 1 0 1 1 0 8 0 zombiepl 144 1540 0 1538 1 0 1 1 0 8 0 processpl 1144 1606 0 1538 6 0 6 6 0 8 0 procpl 656 2894 0 2800 10 1 9 9 0 8 1 srpgc 96 15 0 15 6 5 1 1 0 8 1 sosppl 168 8 0 8 5 4 1 1 0 8 1 sockpl 664 2259 0 2213 17 12 5 5 0 8 0 mcl64k 65536 11 0 0 2 0 2 2 0 8 0 mcl16k 16384 7 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 364 0 0 46 0 46 46 0 8 0 mtagpl 96 8 0 0 1 0 1 1 0 8 0 mbufpl 256 435 0 0 25 0 25 25 0 8 0 bufpl 280 10400 0 2347 576 0 576 576 0 8 0 anonpl 24 326890 0 319810 110 40 70 77 0 186 3 amapchunkpl 152 43945 0 43166 58 20 38 40 0 158 6 amappl16 200 7178 0 7002 52 30 22 23 0 8 1 amappl15 192 17 0 17 2 2 0 1 0 8 0 amappl14 184 182 0 171 2 1 1 2 0 8 0 amappl13 176 7 0 7 1 1 0 1 0 8 0 amappl12 168 2336 0 2303 3 1 2 3 0 8 0 amappl11 160 66 0 47 1 0 1 1 0 8 0 amappl10 152 55 0 54 1 0 1 1 0 8 0 amappl9 144 183 0 183 2 2 0 1 0 8 0 amappl8 136 183 0 148 2 0 2 2 0 8 0 amappl7 128 55 0 41 1 0 1 1 0 8 0 amappl6 120 413 0 397 2 1 1 2 0 8 0 amappl5 112 194 0 180 1 0 1 1 0 8 0 amappl4 104 607 0 574 2 0 2 2 0 8 0 amappl3 96 8765 0 8666 3 0 3 3 0 8 0 amappl2 88 2003 0 1930 3 1 2 3 0 8 0 amappl1 80 13555 0 13060 23 12 11 22 0 8 0 amappl 88 12730 0 12509 6 0 6 6 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 25 0 2 1 0 1 1 0 8 0 uaddrrnd 24 1579 0 1546 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1579 0 1546 1 0 1 1 0 8 0 vmmpekpl 168 14534 0 14465 4 0 4 4 0 8 0 vmmpepl 168 113903 0 111919 155 58 97 115 0 357 1 vmsppl 440 1578 0 1546 4 0 4 4 0 8 0 rwobjpl 56 36408 0 31299 80 7 73 73 0 8 0 pdppl 4096 3165 0 3097 166 95 71 79 0 8 3 pvpl 32 45416 0 0 369 2 367 367 0 265 0 pmappl 248 1578 0 1546 5 2 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 505 0 123 11 0 11 11 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82c95ff0) at x86_ipi_db+0x1e sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff82dea318) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dea318) at __mp_lock+0x129 sys/kern/kern_lock.c:147 intr_handler(ffff80002a262c60,ffff800000069c00) at intr_handler+0xa4 sys/arch/amd64/amd64/intr.c:549 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc intr_handler(ffff80002a262dd0,ffff80000067b200) at intr_handler+0xa4 sys/arch/amd64/amd64/intr.c:549 Xintr_ioapic_edge25_untramp() at Xintr_ioapic_edge25_untramp+0x18f __mp_lock(ffffffff82dea318) at __mp_lock+0x129 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82dea318) at __mp_lock+0x129 sys/kern/kern_lock.c:147 intr_handler(ffff80002a262f30,ffff80000006bc00) at intr_handler+0xa4 sys/arch/amd64/amd64/intr.c:549 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f end of kernel end trace frame: 0x77791ad49a90, count: -12 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd806e2b80a8,9,0) at witness_checkorder+0xc05 rw_enter(fffffd806e2b8098,1) at rw_enter+0xd1 rrw_enter(fffffd806e2b8098,1) at rrw_enter+0x91 sys/kern/kern_rwlock.c:464 VOP_LOCK(fffffd806e2c18b0,2001) at VOP_LOCK+0x8b sys/kern/vfs_vops.c:524 vn_lock(fffffd806e2c18b0,2001) at vn_lock+0x85 sys/kern/vfs_vnops.c:564 vn_closefile(fffffd806a642098,ffff80002a1fecf0) at vn_closefile+0xc9 vn_close sys/kern/vfs_vnops.c:292 [inline] vn_closefile(fffffd806a642098,ffff80002a1fecf0) at vn_closefile+0xc9 sys/kern/vfs_vnops.c:609 fdrop(fffffd806a642098,ffff80002a1fecf0) at fdrop+0xd5 sys/kern/kern_descrip.c:1274 knote_remove(ffff80002a1fecf0,fffffd806ee390d8,fffffd806ee39160,3,0) at knote_remove+0x329 sys/kern/kern_event.c:1899 knote_fdclose(ffff80002a1fecf0,3) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdrelease(ffff80002a1fecf0,3) at fdrelease+0xa6 sys/kern/kern_descrip.c:758 syscall(ffff80002bced080) at syscall+0x8cf mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bced080) at syscall+0x8cf sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5e63214010, count: -13