kernel: protection fault trap, code=0 Stopped at witness_checkorder+0x1ec: movl 0x8(%r14),%ebx ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace witness_checkorder(fffffd806f67bcb8,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd806f67bca8) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff8000211d9808,fffffd806f67bca8,fffffd806f67bd30,5,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000211d9808,5) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000211d9808) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000211d9808,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000211d9808,ffff80002ca090c0,ffff80002ca09110) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002ca09190) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002ca09190) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f294ceeea40, count: -9 ddb{1}> show registers rdi 0 rsi 0x20000 acpi_pdirpa+0xbe63 rbp 0xffff80002ca08e60 rbx 0xe rdx 0 rcx 0xffff8000211d9808 rax 0xffff800020d58ff0 r8 0x1 r9 0x1 r10 0x5bc357076df4c3b3 r11 0x836bf2e20e2f7e9 r12 0 r13 0xfffffd806f67bcb8 r14 0x436011ab436111ab r15 0xffff8000211d9808 rip 0xffffffff8167002c witness_checkorder+0x1ec cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80002ca08db0 ss 0x10 witness_checkorder+0x1ec: movl 0x8(%r14),%ebx ddb{1}> show proc PROC (syz-executor.5) pid=132654 stat=onproc flags process=1018 proc=2000 pri=0, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000211d82c8,0xffff8000211d92c8 process=0xffff800024717688 user=0xffff80002ca04000, vmspace=0xfffffd806d3603b8 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 67178 219391 88001 32767 3 0x90 nanoslp syz-executor.1 67178 399814 88001 32767 3 0x4000090 fsleep syz-executor.1 67178 329893 88001 32767 3 0x4000090 fsleep syz-executor.1 59511 439145 24819 32767 2 0x10 syz-executor.4 59511 435501 24819 32767 2 0x4000010 syz-executor.4 59511 431974 24819 32767 7 0x4000010 syz-executor.4 72018 211446 16360 32767 2 0x10 syz-executor.7 72018 165219 16360 32767 3 0x4000090 fsleep syz-executor.7 88001 295375 33118 32767 3 0x90 nanoslp syz-executor.1 33118 364971 85609 0 3 0x82 wait syz-executor.1 91130 122675 0 0 3 0x14200 bored sosplice 16360 370436 1409 32767 3 0x90 nanoslp syz-executor.7 1409 362025 85609 0 3 0x82 wait syz-executor.7 21361 371794 72336 32767 3 0x10 biowait syz-executor.6 88101 102367 76591 32767 3 0x90 nanoslp syz-executor.5 24819 285601 35984 32767 3 0x90 nanoslp syz-executor.4 72336 81630 85609 0 3 0x82 wait syz-executor.6 34395 393587 83042 32767 2 0x10 syz-executor.3 76591 240514 85609 0 3 0x82 wait syz-executor.5 35984 62204 85609 0 3 0x82 wait syz-executor.4 83042 445433 85609 0 3 0x82 wait syz-executor.3 2748 121004 77077 32767 2 0x10 syz-executor.2 77077 192851 85609 0 3 0x82 wait syz-executor.2 17790 496362 78479 32767 3 0x10 biowait syz-executor.0 78479 191202 85609 0 3 0x82 wait syz-executor.0 85609 162619 77249 0 3 0x2000082 thrsleep syz-fuzzer 85609 409083 77249 0 3 0x6000082 nanoslp syz-fuzzer 85609 49637 77249 0 3 0x6000082 wait syz-fuzzer 85609 349984 77249 0 3 0x6000082 thrsleep syz-fuzzer 85609 168501 77249 0 3 0x6000082 wait syz-fuzzer 85609 424809 77249 0 3 0x6000082 wait syz-fuzzer 85609 319459 77249 0 3 0x6000082 wait syz-fuzzer 85609 52210 77249 0 3 0x6000082 wait syz-fuzzer 85609 305577 77249 0 3 0x6000082 thrsleep syz-fuzzer 85609 324301 77249 0 3 0x6000082 wait syz-fuzzer 85609 455125 77249 0 3 0x6000082 thrsleep syz-fuzzer 85609 435459 77249 0 3 0x6000082 wait syz-fuzzer 85609 60955 77249 0 3 0x6000082 thrsleep syz-fuzzer 85609 2777 77249 0 3 0x6000082 kqread syz-fuzzer 85609 220272 77249 0 3 0x6000082 wait syz-fuzzer 85609 386013 77249 0 3 0x6000082 thrsleep syz-fuzzer 77249 284051 63644 0 3 0x10008a sigsusp ksh 63644 156643 88846 0 3 0x9a kqread sshd 9589 12049 1 0 3 0x100083 ttyin getty 88846 189742 1 0 3 0x88 kqread sshd 44119 486707 17557 73 3 0x1100090 kqread syslogd 17557 261452 1 0 3 0x100082 netio syslogd 78916 511483 1 0 3 0x100080 kqread resolvd 48008 257712 58234 77 3 0x100092 kqread dhcpleased 46878 132562 58234 77 3 0x100092 kqread dhcpleased 58234 420982 1 0 3 0x80 kqread dhcpleased 27065 248414 0 0 3 0x14200 bored smr 31000 493848 0 0 2 0x14200 zerothread 7158 25879 0 0 3 0x14200 aiodoned aiodoned 17866 311352 0 0 3 0x14200 syncer update 22892 164065 0 0 3 0x14200 cleaner cleaner 67235 36901 0 0 2 0x14200 reaper 52158 451815 0 0 3 0x14200 pgdaemon pagedaemon 76764 515551 0 0 3 0x14200 bored viomb 25240 240249 0 0 3 0x40014200 acpi0 acpi0 79184 115310 0 0 3 0x40014200 idle1 97569 187139 0 0 3 0x14200 bored softnet3 93847 328883 0 0 3 0x14200 bored softnet2 972 135113 0 0 3 0x14200 bored softnet1 15616 61371 0 0 3 0x14200 bored softnet0 32769 291054 0 0 3 0x14200 bored systqmp 46665 280272 0 0 3 0x14200 bored systq 83464 6510 0 0 3 0x40014200 bored softclock 66935 208285 0 0 3 0x40014200 idle0 1 376097 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 59511 (syz-executor.4) thread 0xffff80002120faa8 (431974) exclusive rwlock netlock r = 0 (0xffffffff82c425a0) #0 witness_lock+0x447 #1 socreate+0x235 pru_attach sys/sys/protosw.h:275 [inline] #1 socreate+0x235 sys/kern/uipc_socket.c:207 #2 sys_socket+0xdc sys/kern/uipc_syscalls.c:101 #3 syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] #3 syscall+0x606 sys/arch/amd64/amd64/trap.c:623 #4 Xsyscall+0x128 Process 21361 (syz-executor.6) thread 0xffff800022cfe000 (371794) exclusive rrwlock inode r = 0 (0xfffffd8071052920) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806ce9be78) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 34395 (syz-executor.3) thread 0xffff800021269d58 (393587) exclusive rrwlock inode r = 0 (0xfffffd80710522c0) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80799b2920) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 2748 (syz-executor.2) thread 0xffff800021269ab0 (121004) exclusive rrwlock inode r = 0 (0xfffffd806ce9b0a8) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd80799b2c50) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 Process 17790 (syz-executor.0) thread 0xffff80002120e018 (496362) exclusive rrwlock inode r = 0 (0xfffffd806ce9b818) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vget+0x200 sys/kern/vfs_subr.c:676 #6 ufs_ihashget+0x121 sys/ufs/ufs/ufs_ihash.c:119 #7 ffs_vget+0x7c sys/ufs/ffs/ffs_vfsops.c:1314 #8 ufs_lookup+0x13ba sys/ufs/ufs/ufs_lookup.c:487 #9 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #10 vfs_lookup+0x6e2 sys/kern/vfs_lookup.c:566 #11 namei+0x55a sys/kern/vfs_lookup.c:250 #12 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #13 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #13 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #14 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8069e5ef78) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 rrw_enter+0x8c sys/kern/kern_rwlock.c:464 #3 VOP_LOCK+0x8b sys/kern/vfs_vops.c:518 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:564 #5 vfs_lookup+0xd5 sys/kern/vfs_lookup.c:418 #6 namei+0x55a sys/kern/vfs_lookup.c:250 #7 dounlinkat+0x9d sys/kern/vfs_syscalls.c:1847 #8 syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] #8 syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10188 6409K 6420K 78643K 11269 0 pcb 13 10K 12K 78643K 15 0 rtable 244 6K 7K 78643K 513 0 pf 29 8K 8K 78643K 31 0 ifaddr 44 15K 15K 78643K 50 0 ifgroup 50 2K 2K 78643K 54 0 counters 60 35K 35K 78643K 62 0 ioctlops 0 0K 2K 78643K 41 0 iov 0 0K 17K 78643K 96 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1278 80K 80K 78643K 1750 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 3 5K 9K 78643K 101 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 1K 78643K 232 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 22 81K 101K 78643K 2359 0 sigio 0 0K 0K 78643K 119 0 proc 56 78K 103K 78643K 639 0 subproc 104 6K 6K 78643K 117 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 62 0 in_multi 99 7K 7K 78643K 134 0 ether_multi 1 0K 0K 78643K 7 0 mrt 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 67 307K 307K 78643K 67 0 exec 0 0K 1K 78643K 513 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 8 62K 64K 78643K 10 0 UVM amap 346 86K 89K 78643K 25477 0 UVM aobj 131 4K 4K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 1K 78643K 852 0 NDP 11 0K 2K 78643K 30 0 temp 74 5920K 5986K 78643K 8937 0 kqueue 12 18K 24K 78643K 205 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 75 0 72 1 0 1 1 0 8 0 rtentry 112 129 0 14 4 0 4 4 0 8 0 unpcb 144 643 0 630 6 5 1 4 0 8 0 syncache 304 36 0 36 4 4 0 1 0 8 0 tcpqe 32 455 0 455 5 5 0 1 0 8 0 tcpcb 808 1244 0 1202 23 14 9 9 0 8 4 arp 120 21 0 2 1 0 1 1 0 8 0 ipq 40 3 0 2 2 1 1 1 0 8 0 ipqe 40 12 0 8 2 1 1 1 0 8 0 inpcb 368 4412 0 4364 39 30 9 15 0 8 4 nd6 136 33 0 5 1 0 1 1 0 8 0 kcovpl 48 9 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 511 0 50 30 0 30 30 0 8 0 art_table 32 512 0 50 4 0 4 4 0 8 0 art_node 16 128 0 23 1 0 1 1 0 8 0 semapl 112 227 0 217 1 0 1 1 0 8 0 shmpl 112 131 0 3 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 4458 0 3016 91 0 91 91 0 8 0 ffsino 272 4458 0 3016 97 0 97 97 0 8 0 nchpl 144 7612 0 5975 63 0 63 63 0 8 0 uvmvnodes 80 4584 0 0 94 0 94 94 0 8 0 vnodes 216 4584 0 0 255 0 255 255 0 8 0 namei 1024 25236 0 25236 2 1 1 2 0 8 1 percpumem 16 44 0 1 1 0 1 1 0 8 0 kstatmem 264 24 0 2 2 0 2 2 0 8 0 scxspl 216 25677 0 25675 18 15 3 8 1 8 2 plimitpl 152 195 0 172 5 3 2 2 0 8 1 sigapl 424 2648 0 2597 7 0 7 7 0 8 0 futexpl 64 19898 0 19895 1 0 1 1 0 8 0 knotepl 120 592 0 0 17 0 17 17 0 8 0 kqueuepl 216 500 0 492 9 8 1 5 0 8 0 pipepl 320 713 0 685 22 14 8 8 0 8 5 fdescpl 496 2630 0 2597 6 1 5 5 0 8 0 filepl 152 16423 0 16166 35 18 17 17 0 8 7 lockfpl 104 311 0 309 2 1 1 2 0 8 0 lockfspl 48 83 0 81 1 0 1 1 0 8 0 sessionpl 144 24 0 8 1 0 1 1 0 8 0 pgrppl 48 194 0 178 1 0 1 1 0 8 0 ucredpl 104 2466 0 2448 1 0 1 1 0 8 0 zombiepl 144 2598 0 2597 1 0 1 1 0 8 0 processpl 1072 2648 0 2597 4 0 4 4 0 8 0 procpl 680 6746 0 6674 10 2 8 8 0 8 0 sosppl 168 51 0 47 3 2 1 1 0 8 0 sockpl 488 5207 0 5143 58 44 14 22 0 8 6 mcl64k 65536 10 0 0 2 0 2 2 0 8 0 mcl16k 16384 9 0 0 2 0 2 2 0 8 0 mcl12k 12288 8 0 0 1 0 1 1 0 8 0 mcl9k 9216 5 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 0 8 0 mcl4k 4096 19 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 310 0 0 39 0 39 39 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 966 0 0 59 0 59 59 0 8 0 bufpl 288 8607 0 2281 452 0 452 452 0 8 0 anonpl 24 377745 0 366765 121 25 96 96 0 186 24 amapchunkpl 152 80140 0 79258 45 5 40 40 0 158 3 amappl16 200 9416 0 9146 45 22 23 29 0 8 8 amappl15 192 9 0 9 1 1 0 1 0 8 0 amappl14 184 162 0 149 2 1 1 2 0 8 0 amappl13 176 11 0 11 2 2 0 1 0 8 0 amappl12 168 3304 0 3267 2 0 2 2 0 8 0 amappl11 160 49 0 39 1 0 1 1 0 8 0 amappl10 152 25 0 16 1 0 1 1 0 8 0 amappl9 144 258 0 257 1 0 1 1 0 8 0 amappl8 136 295 0 219 3 0 3 3 0 8 0 amappl7 128 76 0 62 2 0 2 2 0 8 0 amappl6 120 247 0 228 2 1 1 2 0 8 0 amappl5 112 200 0 192 1 0 1 1 0 8 0 amappl4 104 620 0 582 3 0 3 3 0 8 0 amappl3 96 16285 0 16189 6 3 3 4 0 8 0 amappl2 88 2944 0 2873 3 1 2 3 0 8 0 amappl1 80 17466 0 16937 24 12 12 22 0 8 0 amappl 88 24890 0 24653 7 0 7 7 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 72 133 0 3 3 0 3 3 0 8 0 uaddrrnd 24 2630 0 2597 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2630 0 2597 1 0 1 1 0 8 0 vmmpekpl 168 26344 0 26291 3 0 3 3 0 8 0 vmmpepl 168 171081 0 168825 135 15 120 120 0 357 14 vmsppl 464 2629 0 2597 6 1 5 5 0 8 0 rwobjpl 56 53718 0 47704 91 3 88 88 0 8 0 pdppl 4096 5268 0 5194 146 64 82 84 0 8 8 pvpl 32 942031 0 925181 343 108 235 343 0 265 87 pmappl 248 2629 0 2597 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1004 0 113 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82bafff0) 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1c kd_curproc sys/dev/kcov.c:588 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x1c sys/dev/kcov.c:158 __mp_lock(ffffffff82c532e8) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82c532e8) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff8000212950a0,ffff80000007b080) at intr_handler+0x62 sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge23_untramp() at Xintr_ioapic_edge23_untramp+0x18f Xspllower() at Xspllower+0x1d pool_get(ffffffff82d83828,9) at pool_get+0x15f sys/kern/subr_pool.c:588 in_pcballoc(fffffd805ca1d990,ffffffff82d83730,1) at in_pcballoc+0x5d sys/netinet/in_pcb.c:233 tcp_attach(fffffd805ca1d990,0,1) at tcp_attach+0x181 sys/netinet/tcp_usrreq.c:476 socreate(2,ffff8000212953e8,1,0) at socreate+0x250 pru_attach sys/sys/protosw.h:275 [inline] socreate(2,ffff8000212953e8,1,0) at socreate+0x250 sys/kern/uipc_socket.c:207 sys_socket(ffff80002120faa8,ffff800021295470,ffff8000212954c0) at sys_socket+0xdc sys/kern/uipc_syscalls.c:101 syscall(ffff800021295540) at syscall+0x606 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff800021295540) at syscall+0x606 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x24e77f2c8a0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at witness_checkorder+0x1ec: movl 0x8(%r14),%ebx ddb{1}> trace witness_checkorder(fffffd806f67bcb8,9,0) at witness_checkorder+0x1ec sys/kern/subr_witness.c:794 mtx_enter(fffffd806f67bca8) at mtx_enter+0x3e sys/kern/kern_lock.c:265 knote_remove(ffff8000211d9808,fffffd806f67bca8,fffffd806f67bd30,5,0) at knote_remove+0x20d sys/kern/kern_event.c:1881 knote_fdclose(ffff8000211d9808,5) at knote_fdclose+0xae sys/kern/kern_event.c:1934 fdfree(ffff8000211d9808) at fdfree+0xdf sys/kern/kern_descrip.c:1196 exit1(ffff8000211d9808,0,0,1) at exit1+0x3e4 sys/kern/kern_exit.c:206 sys_exit(ffff8000211d9808,ffff80002ca090c0,ffff80002ca09110) at sys_exit+0x1a sys/kern/kern_exit.c:89 syscall(ffff80002ca09190) at syscall+0x5e2 mi_syscall sys/sys/syscall_mi.h:110 [inline] syscall(ffff80002ca09190) at syscall+0x5e2 sys/arch/amd64/amd64/trap.c:623 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f294ceeea40, count: -9