uvm_fault(0xfffffd806a87ca68, 0x28, 0, 1) -> e kernel: page fault trap, code=0 Stopped at witness_checkorder+0x8e: movl 0x18(%r14),%r15d TID PID UID PRFLAGS PFLAGS CPU COMMAND *466701 1397 0 0x8000002 0 0K syz-executor.0 witness_checkorder(10,9,0) at witness_checkorder+0x8e sys/kern/subr_witness.c:782 rw_enter(0,1) at rw_enter+0xd1 uvm_vnp_terminate(fffffd8069680458) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428 vclean(fffffd8069680458,8,ffff8000313402d0) at vclean+0x10a sys/kern/vfs_subr.c:1063 vgonel(fffffd8069680458,ffff8000313402d0) at vgonel+0x7f sys/kern/vfs_subr.c:1175 checkalias(fffffd8061f73b58,1c1300,0) at checkalias+0x159 cdevvp(1c1300,ffff8000373bdad0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline] cdevvp(1c1300,ffff8000373bdad0) at cdevvp+0x9c sys/kern/vfs_subr.c:507 spec_open_clone(ffff8000373bdba8) at spec_open_clone+0x18f sys/kern/spec_vnops.c:711 spec_open(ffff8000373bdba8) at spec_open+0x242 sys/kern/spec_vnops.c:148 VOP_OPEN(fffffd806e94fca8,3,fffffd807f7d3820,ffff8000313402d0) at VOP_OPEN+0x79 sys/kern/vfs_vops.c:138 vn_open(ffff8000373bddf8,3,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff8000313402d0,ffffff9c,9ac3b0af15b,2,0,ffff8000373bdfa0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1127 syscall(ffff8000373be050) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373be050) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x721363781860, count: 1 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic *cpu0: uvm_fault(0xfffffd806a87ca68, 0x28, 0, 1) -> e ddb{0}> trace witness_checkorder(10,9,0) at witness_checkorder+0x8e sys/kern/subr_witness.c:782 rw_enter(0,1) at rw_enter+0xd1 uvm_vnp_terminate(fffffd8069680458) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428 vclean(fffffd8069680458,8,ffff8000313402d0) at vclean+0x10a sys/kern/vfs_subr.c:1063 vgonel(fffffd8069680458,ffff8000313402d0) at vgonel+0x7f sys/kern/vfs_subr.c:1175 checkalias(fffffd8061f73b58,1c1300,0) at checkalias+0x159 cdevvp(1c1300,ffff8000373bdad0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline] cdevvp(1c1300,ffff8000373bdad0) at cdevvp+0x9c sys/kern/vfs_subr.c:507 spec_open_clone(ffff8000373bdba8) at spec_open_clone+0x18f sys/kern/spec_vnops.c:711 spec_open(ffff8000373bdba8) at spec_open+0x242 sys/kern/spec_vnops.c:148 VOP_OPEN(fffffd806e94fca8,3,fffffd807f7d3820,ffff8000313402d0) at VOP_OPEN+0x79 sys/kern/vfs_vops.c:138 vn_open(ffff8000373bddf8,3,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff8000313402d0,ffffff9c,9ac3b0af15b,2,0,ffff8000373bdfa0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1127 syscall(ffff8000373be050) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373be050) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x721363781860, count: -14 ddb{0}> show registers rdi 0 rsi 0 rbp 0xffff8000373bd830 rbx 0 rdx 0 rcx 0xffff8000313402d0 rax 0xffffffff82d37ff0 cpu_info_full_primary+0x1ff0 r8 0x50 r9 0xfffffd807f7d3820 r10 0x4f2a5a50d2d169a6 r11 0xadb9dd13bedcf445 r12 0 r13 0x1 r14 0x10 r15 0x3 rip 0xffffffff81eba44e witness_checkorder+0x8e cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000373bd780 ss 0x10 witness_checkorder+0x8e: movl 0x18(%r14),%r15d ddb{0}> show proc PROC (syz-executor.0) tid=466701 pid=1397 tcnt=1 stat=onproc flags process=8000002 proc=0 runpri=64, usrpri=64, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000313407f0,0xffff8000313419f0 process=0xffff8000373844b0 user=0xffff8000373b9000, vmspace=0xfffffd806a87ca68 estcpu=14, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 26646 187520 10198 0 2 0x8000000 syz-executor.4 85469 61670 92766 0 2 0x8000000 syz-executor.3 85469 286129 92766 0 2 0xc000000 syz-executor.3 70618 333109 37470 0 2 0x8000000 syz-executor.1 70618 209739 37470 0 3 0xc000080 fsleep syz-executor.1 * 1397 466701 50073 0 7 0x8000002 syz-executor.0 75676 40740 16997 0 2 0x8000000 syz-executor.2 75676 481274 16997 0 3 0xc000080 fsleep syz-executor.2 67437 331477 86756 0 2 0x8000010 syz-executor.6 67437 108632 86756 0 3 0xc000090 fsleep syz-executor.6 16224 220351 26836 0 2 0x8000000 syz-executor.5 16224 262584 26836 0 3 0xc000080 fsleep syz-executor.5 69461 498291 83551 0 3 0x8000080 nanoslp syz-executor.7 69461 493736 83551 0 3 0xc000080 lockf syz-executor.7 69461 355819 83551 0 3 0xc000080 fsleep syz-executor.7 69461 295912 83551 0 3 0xc000080 fsleep syz-executor.7 10198 62517 50073 0 3 0x8000082 nanoslp syz-executor.4 37470 450046 50073 0 3 0x8000082 nanoslp syz-executor.1 31294 251449 1 0 3 0x18100083 ttyin getty 92766 124840 50073 0 3 0x8000082 nanoslp syz-executor.3 26836 84150 50073 0 3 0x8000082 nanoslp syz-executor.5 83551 336017 50073 0 3 0x8000082 nanoslp syz-executor.7 86756 141644 50073 0 3 0x8000082 nanoslp syz-executor.6 30568 441913 0 0 3 0x14280 nfsidl nfsio 59287 308934 0 0 3 0x14280 nfsidl nfsio 13874 512455 0 0 3 0x14280 nfsidl nfsio 35213 113248 0 0 3 0x14280 nfsidl nfsio 20930 294315 0 0 3 0x14280 nfsidl nfsio 10046 144673 0 0 3 0x14280 nfsidl nfsio 7135 428138 0 0 3 0x14280 nfsidl nfsio 66843 434886 0 0 3 0x14280 nfsidl nfsio 55238 462455 0 0 3 0x14280 nfsidl nfsio 59813 423410 0 0 3 0x14280 nfsidl nfsio 4827 372418 0 0 3 0x14280 nfsidl nfsio 39699 491768 0 0 3 0x14280 nfsidl nfsio 27476 29100 0 0 3 0x14280 nfsidl nfsio 10863 387366 0 0 3 0x14280 nfsidl nfsio 27960 120197 0 0 3 0x14280 nfsidl nfsio 57288 28679 0 0 3 0x14280 nfsidl nfsio 56904 480059 0 0 3 0x14280 nfsidl nfsio 24230 496193 0 0 3 0x14280 nfsidl nfsio 20568 331185 0 0 3 0x14280 nfsidl nfsio 82627 523122 0 0 3 0x14280 nfsidl nfsio 7935 358020 0 0 3 0x14200 bored sosplice 16997 282108 50073 0 3 0x8000082 nanoslp syz-executor.2 50073 425026 64055 0 3 0x1a000082 kqread syz-fuzzer 50073 494529 64055 0 3 0x1e000082 thrsleep syz-fuzzer 50073 298059 64055 0 3 0x1e000082 thrsleep syz-fuzzer 50073 96877 64055 0 3 0x1e000082 thrsleep syz-fuzzer 50073 338883 64055 0 3 0x1e000082 thrsleep syz-fuzzer 50073 235163 64055 0 3 0x1e000082 wait syz-fuzzer 50073 183004 64055 0 3 0x1e000082 wait syz-fuzzer 50073 242594 64055 0 3 0x1e000082 wait syz-fuzzer 50073 181066 64055 0 3 0x1e000082 wait syz-fuzzer 50073 148894 64055 0 3 0x1e000082 thrsleep syz-fuzzer 50073 368014 64055 0 3 0x1e000082 thrsleep syz-fuzzer 50073 427798 64055 0 3 0x1e000082 thrsleep syz-fuzzer 50073 513952 64055 0 3 0x1e000082 wait syz-fuzzer 50073 24152 64055 0 3 0x1e000082 wait syz-fuzzer 50073 391691 64055 0 3 0x1e000082 wait syz-fuzzer 50073 473047 64055 0 3 0x1e000082 wait syz-fuzzer 64055 301604 38039 0 3 0x810008a sigsusp ksh 38039 122888 17087 0 3 0x1800009a kqread sshd 17087 218583 1 0 3 0x18000088 kqread sshd 89345 163220 30051 73 2 0x19100010 syslogd 30051 214625 1 0 3 0x18100082 sbwait syslogd 45601 81545 1 0 3 0x18100080 kqread resolvd 28932 513762 93401 77 3 0x18100092 kqread dhcpleased 67147 186741 93401 77 3 0x18100092 kqread dhcpleased 93401 514002 1 0 3 0x18000080 kqread dhcpleased 47437 277919 0 0 3 0x14200 bored smr 43313 439023 0 0 2 0x14200 zerothread 28989 50552 0 0 3 0x14200 aiodoned aiodoned 67241 66371 0 0 3 0x14200 syncer update 31670 106453 0 0 3 0x14200 cleaner cleaner 33829 291846 0 0 3 0x14200 reaper reaper 94811 63699 0 0 3 0x14200 pgdaemon pagedaemon 52013 226 0 0 3 0x14200 bored viomb 27198 60881 0 0 3 0x40014200 acpi0 acpi0 29619 319333 0 0 7 0x40014200 idle1 77876 429957 0 0 3 0x14200 bored softnet3 57858 315208 0 0 3 0x14200 bored softnet2 63182 298433 0 0 3 0x14200 bored softnet1 5844 80504 0 0 3 0x14200 bored softnet0 69242 116986 0 0 3 0x14200 bored systqmp 74499 325024 0 0 3 0x14200 bored systq 44142 203259 0 0 3 0x14200 tmoslp softclockmp 21284 489520 0 0 3 0x40014200 tmoslp softclock 85945 73611 0 0 3 0x40014200 idle0 1 23680 0 0 3 0x8000082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 1397 (syz-executor.0) thread 0xffff8000313402d0 (466701) exclusive rrwlock inode r = 0 (0xfffffd806e3a60a0) #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 vget+0x1fd sys/kern/vfs_subr.c:676 #6 cache_lookup+0x2b3 sys/kern/vfs_cache.c:222 #7 ufs_lookup+0x1b2 sys/ufs/ufs/ufs_lookup.c:160 #8 VOP_LOOKUP+0x5c sys/kern/vfs_vops.c:85 #9 vfs_lookup+0x6f8 sys/kern/vfs_lookup.c:566 #10 namei+0x56a sys/kern/vfs_lookup.c:250 #11 vn_open+0x101 sys/kern/vfs_vnops.c:140 #12 doopenat+0x269 sys/kern/vfs_syscalls.c:1127 #13 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #13 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #14 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82e5a068) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1157 #1 syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline] #1 syscall+0x83b sys/arch/amd64/amd64/trap.c:577 #2 Xsyscall+0x128 Process 89345 (syslogd) thread 0xffff8000ffffdc40 (163220) exclusive rrwlock inode r = 0 (0xfffffd806e766700) #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 sys_fsync+0xf1 sys/kern/vfs_syscalls.c:2931 #6 syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] #6 syscall+0x854 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10204 6505K 7134K 166960K 13910 0 pcb 17 14K 16K 166960K 324 0 rtable 184 13K 14K 166960K 911 0 pf 29 8K 10K 166960K 129 0 ifaddr 39 14K 15K 166960K 141 0 ifgroup 50 2K 2K 166960K 197 0 sysctl 3 0K 0K 166960K 3 0 counters 64 36K 36K 166960K 140 0 ioctlops 0 0K 4K 166960K 1552 0 iov 0 0K 16K 166960K 100 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1383 87K 87K 166960K 2748 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 16K 28K 166960K 48 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 112 0 dirhash 12 2K 2K 166960K 42 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 89K 166960K 1613 0 sigio 0 0K 0K 166960K 31 0 proc 59 79K 128K 166960K 993 0 subproc 91 5K 7K 166960K 300 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 217 0 in_multi 78 5K 7K 166960K 297 0 ether_multi 1 0K 0K 166960K 14 0 mrt 1 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 725 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 294 91K 128K 166960K 15794 0 UVM aobj 74 7K 7K 166960K 78 0 pinsyscall 37 74K 100K 166960K 3128 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 129 0 NDP 11 0K 2K 166960K 93 0 temp 71 6819K 6943K 166960K 51893 0 kqueue 13 20K 27K 166960K 256 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 24 0 0 1 0 1 1 0 8 0 rtpcb 120 174 0 171 1 0 1 1 0 8 0 rtentry 112 312 0 231 4 0 4 4 0 8 0 unpcb 144 1266 0 1253 3 2 1 2 0 8 0 syncache 336 7 0 7 3 3 0 1 0 8 0 tcpqe 32 15 0 15 1 1 0 1 0 8 0 tcpcb 808 468 0 462 9 8 1 2 0 8 0 arp 120 55 0 39 1 0 1 1 0 8 0 inpcb 384 1757 0 1746 30 28 2 15 0 8 0 nd6 136 79 0 59 1 0 1 1 0 8 0 pkpcb 40 4 0 4 4 4 0 1 0 8 0 kcovpl 48 23 0 16 1 0 1 1 0 8 0 ppxss 1168 11 0 11 6 6 0 1 0 8 0 pffrag 232 8 0 7 3 2 1 1 0 482 0 pffrnode 88 8 0 7 3 2 1 1 0 8 0 pffrent 40 143 0 142 4 3 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 24 148 0 119 1 0 1 1 0 8 0 pfstkey 128 148 0 119 2 0 2 2 0 8 0 pfstate 376 148 0 119 4 0 4 4 0 8 0 pfrule 1344 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 2 0 1 2 1 1 2 0 8 0 art_heap4 256 1238 0 876 35 9 26 29 0 8 1 art_table 32 1240 0 877 4 0 4 4 0 8 0 art_node 16 308 0 235 1 0 1 1 0 8 0 sysvmsgpl 40 11 0 4 2 1 1 1 0 8 0 semupl 112 3 0 3 2 2 0 1 0 8 0 semapl 112 109 0 99 1 0 1 1 0 8 0 shmpl 112 75 0 4 3 0 3 3 0 8 0 dirhash 1024 37 0 20 3 0 3 3 0 8 0 dino2pl 256 4055 0 2541 96 0 96 96 0 8 0 ffsino 272 4055 0 2541 102 0 102 102 0 8 0 nchpl 144 6463 0 4725 67 0 67 67 0 8 0 uvmvnodes 80 5132 0 0 105 0 105 105 0 8 0 uvmvnodes: pool(0xffffffff82e5baf0:uvmvnodes): page inconsistency: page 0x0; at page head addr 0xfffffd80637e4f90 (p 0xfffffd80637e4000) vnodes 216 5132 0 0 286 0 286 286 0 8 0 namei 1024 22774 0 22774 6 5 1 2 0 8 1 percpumem 16 84 0 38 1 0 1 1 0 8 0 vcpupl 3904 4 0 2 1 0 1 1 0 8 0 vmpool 696 10 0 8 4 3 1 1 0 8 0 kstatmem 264 98 0 76 2 0 2 2 0 8 0 scsiplug 72 7 0 7 4 4 0 1 0 8 0 scxspl 216 40283 0 40283 13 12 1 8 1 8 1 plimitpl 152 285 0 270 1 0 1 1 0 8 0 sigapl 424 1907 0 1840 9 0 9 9 0 8 0 futexpl 64 28603 0 28597 8 7 1 1 0 8 0 knotepl 120 738 0 0 18 0 18 18 0 8 0 kqueuepl 216 517 0 508 1 0 1 1 0 8 0 pipepl 320 411 0 382 4 1 3 3 0 8 0 fdescpl 496 1867 0 1839 7 2 5 5 0 8 0 filepl 152 12180 0 11945 16 5 11 16 0 8 0 lockfpl 104 634 0 630 1 0 1 1 0 8 0 lockfspl 48 265 0 262 1 0 1 1 0 8 0 sessionpl 144 38 0 23 1 0 1 1 0 8 0 pgrppl 48 56 0 41 1 0 1 1 0 8 0 ucredpl 104 1867 0 1855 1 0 1 1 0 8 0 zombiepl 144 1840 0 1840 2 1 1 1 0 8 1 processpl 1144 1907 0 1840 8 2 6 6 0 8 0 procpl 656 3456 0 3366 9 0 9 9 0 8 0 srpgc 96 10 0 10 5 5 0 1 0 8 0 sosppl 168 5 0 5 3 3 0 1 0 8 0 sockpl 664 3221 0 3194 30 26 4 15 0 8 0 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 5 0 0 1 0 1 1 0 8 0 mcl4k 4096 4 0 0 1 0 1 1 0 8 0 mcl2k 2048 375 0 0 47 0 47 47 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 494 0 0 26 0 26 26 0 8 0 bufpl 280 10933 0 2836 579 0 579 579 0 8 0 anonpl 24 431587 0 425526 90 27 63 86 0 186 0 amapchunkpl 152 55060 0 54380 70 38 32 50 0 158 0 amappl16 200 10022 0 9885 100 88 12 33 0 8 0 amappl15 192 28 0 28 1 1 0 1 0 8 0 amappl14 184 237 0 226 2 1 1 2 0 8 0 amappl13 176 14 0 13 1 0 1 1 0 8 0 amappl12 168 2731 0 2700 2 0 2 2 0 8 0 amappl11 160 52 0 42 1 0 1 1 0 8 0 amappl10 152 58 0 49 1 0 1 1 0 8 0 amappl9 144 311 0 310 1 0 1 1 0 8 0 amappl8 136 216 0 181 2 0 2 2 0 8 0 amappl7 128 52 0 38 1 0 1 1 0 8 0 amappl6 120 508 0 494 2 1 1 2 0 8 0 amappl5 112 236 0 224 1 0 1 1 0 8 0 amappl4 104 631 0 597 3 1 2 3 0 8 0 amappl3 96 9852 0 9767 3 0 3 3 0 8 0 amappl2 88 2308 0 2236 3 1 2 3 0 8 0 amappl1 80 15039 0 14551 22 10 12 22 0 8 0 amappl 88 15023 0 14820 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 77 0 4 2 0 2 2 0 8 0 uaddrrnd 24 1877 0 1847 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1877 0 1847 1 0 1 1 0 8 0 vmmpekpl 168 17357 0 17289 4 0 4 4 0 8 0 vmmpepl 168 136095 0 134197 166 72 94 116 0 357 1 vmsppl 440 1876 0 1847 4 0 4 4 0 8 0 rwobjpl 56 43920 0 37629 102 11 91 93 0 8 0 pdppl 4096 3761 0 3696 162 95 67 77 0 8 2 pvpl 32 45798 0 0 370 0 370 370 0 265 0 pmappl 248 1876 0 1847 6 3 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 504 0 129 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace witness_checkorder(10,9,0) at witness_checkorder+0x8e sys/kern/subr_witness.c:782 rw_enter(0,1) at rw_enter+0xd1 uvm_vnp_terminate(fffffd8069680458) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428 vclean(fffffd8069680458,8,ffff8000313402d0) at vclean+0x10a sys/kern/vfs_subr.c:1063 vgonel(fffffd8069680458,ffff8000313402d0) at vgonel+0x7f sys/kern/vfs_subr.c:1175 checkalias(fffffd8061f73b58,1c1300,0) at checkalias+0x159 cdevvp(1c1300,ffff8000373bdad0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline] cdevvp(1c1300,ffff8000373bdad0) at cdevvp+0x9c sys/kern/vfs_subr.c:507 spec_open_clone(ffff8000373bdba8) at spec_open_clone+0x18f sys/kern/spec_vnops.c:711 spec_open(ffff8000373bdba8) at spec_open+0x242 sys/kern/spec_vnops.c:148 VOP_OPEN(fffffd806e94fca8,3,fffffd807f7d3820,ffff8000313402d0) at VOP_OPEN+0x79 sys/kern/vfs_vops.c:138 vn_open(ffff8000373bddf8,3,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff8000313402d0,ffffff9c,9ac3b0af15b,2,0,ffff8000373bdfa0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1127 syscall(ffff8000373be050) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff8000373be050) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x721363781860, count: -14 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp x86_ipi_db(ffff800029cebff0) 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 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: 10 ddb{1}> trace x86_ipi_db(ffff800029cebff0) 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 acpicpu_idle() at acpicpu_idle+0x2f1 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cebff0) at sched_idle+0x41d sys/kern/kern_sched.c:183 end trace frame: 0x0, count: -5