witness: lock_object uninitialized: 0xfffffd805faf0cf8 Starting stack trace... witness_checkorder(fffffd805faf0cf8,9,0) at witness_checkorder+0x13b witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(fffffd805faf0cf8,9,0) at witness_checkorder+0x13b sys/kern/subr_witness.c:777 rw_enter(fffffd805faf0ce8,1) at rw_enter+0xd1 uvm_vnp_terminate(fffffd805f564a20) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428 vclean(fffffd805f564a20,8,ffff80002a235748) at vclean+0x10a sys/kern/vfs_subr.c:1063 vgonel(fffffd805f564a20,ffff80002a235748) at vgonel+0x7f sys/kern/vfs_subr.c:1175 checkalias(fffffd805c348a20,35c4a,0) at checkalias+0x159 cdevvp(35c4a,ffff80002f0b23f0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline] cdevvp(35c4a,ffff80002f0b23f0) at cdevvp+0x9c sys/kern/vfs_subr.c:507 spec_open_clone(ffff80002f0b24c8) at spec_open_clone+0x18f sys/kern/spec_vnops.c:711 spec_open(ffff80002f0b24c8) at spec_open+0x242 sys/kern/spec_vnops.c:148 VOP_OPEN(fffffd80745199a8,1,fffffd807f7d74e0,ffff80002a235748) at VOP_OPEN+0x79 sys/kern/vfs_vops.c:138 vn_open(ffff80002f0b2718,1,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a235748,ffffff9c,20000040,0,0,ffff80002f0b28c0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126 syscall(ffff80002f0b2970) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002f0b2970) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64e54991ae0, count: 243 End of stack trace. Stopped at db_enter+0x1c: addq $0x8,%rsp 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+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd805faf0cf8,9,0) at witness_checkorder+0x140 rw_enter(fffffd805faf0ce8,1) at rw_enter+0xd1 uvm_vnp_terminate(fffffd805f564a20) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428 vclean(fffffd805f564a20,8,ffff80002a235748) at vclean+0x10a sys/kern/vfs_subr.c:1063 vgonel(fffffd805f564a20,ffff80002a235748) at vgonel+0x7f sys/kern/vfs_subr.c:1175 checkalias(fffffd805c348a20,35c4a,0) at checkalias+0x159 cdevvp(35c4a,ffff80002f0b23f0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline] cdevvp(35c4a,ffff80002f0b23f0) at cdevvp+0x9c sys/kern/vfs_subr.c:507 spec_open_clone(ffff80002f0b24c8) at spec_open_clone+0x18f sys/kern/spec_vnops.c:711 spec_open(ffff80002f0b24c8) at spec_open+0x242 sys/kern/spec_vnops.c:148 VOP_OPEN(fffffd80745199a8,1,fffffd807f7d74e0,ffff80002a235748) at VOP_OPEN+0x79 sys/kern/vfs_vops.c:138 vn_open(ffff80002f0b2718,1,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a235748,ffffff9c,20000040,0,0,ffff80002f0b28c0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126 syscall(ffff80002f0b2970) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002f0b2970) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64e54991ae0, count: -15 ddb{0}> show registers rdi 0 rsi 0x40000 acpi_pdirpa+0x2be71 rbp 0xffff80002f0b2090 rbx 0 rdx 0xffff800000e709c0 rcx 0xffff80002a235748 rax 0x3ffff acpi_pdirpa+0x2be70 r8 0xffff80002f0b2030 r9 0x8080808080808080 r10 0xffff80002f0b1f80 r11 0x22f1d2a20a47c669 r12 0 r13 0x1 r14 0xfffffd805faf0cf8 r15 0x3 rip 0xffffffff81e52b9c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff80002f0b2080 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.7) tid=380375 pid=61530 tcnt=2 stat=onproc flags process=8000000 proc=4000000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 forw=0xffffffffffffffff, list=0xffff80002a234f98,0xffff80002a234a88 process=0xffff8000ffff11d8 user=0xffff80002f0ad000, vmspace=0xfffffd806b1366e8 estcpu=36, cpticks=18, pctcpu=0.0, user=0, sys=18, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10252 253703 96121 0 2 0x8000000 syz-executor.3 9599 432936 59031 0 2 0x8000000 syz-executor.4 9599 373878 59031 0 3 0xc000080 fsleep syz-executor.4 59592 6589 66617 0 2 0x8000000 syz-executor.5 59592 348426 66617 0 3 0xc000080 fsleep syz-executor.5 61530 231648 34310 0 2 0x8000000 syz-executor.7 *61530 380375 34310 0 7 0xc000000 syz-executor.7 37815 387392 52670 0 2 0x8000000 syz-executor.6 37815 93261 52670 0 2 0xc000000 syz-executor.6 2827 431751 95688 0 2 0x8000000 syz-executor.2 2827 200379 95688 0 3 0xc000080 fsleep syz-executor.2 33935 433713 62217 0 2 0x8000480 syz-executor.1 33935 412900 62217 0 3 0xc000080 kqread syz-executor.1 33935 188081 62217 0 3 0xc000080 fsleep syz-executor.1 3734 335800 58182 0 2 0x8000002 syz-executor.0 34310 161720 58182 0 7 0x8000002 syz-executor.7 66617 311401 58182 0 2 0x8000002 syz-executor.5 96121 411438 58182 0 2 0x8000482 syz-executor.3 52670 463728 58182 0 2 0x8000482 syz-executor.6 62217 371217 58182 0 2 0x8000482 syz-executor.1 80106 405322 1 0 2 0x18100083 getty 62661 142889 0 0 3 0x14200 acct acct 95688 86460 58182 0 2 0x8000482 syz-executor.2 59031 36517 58182 0 2 0x8000482 syz-executor.4 48986 86411 0 0 3 0x14200 bored sosplice 58182 18429 84309 0 3 0x1a000082 wait syz-fuzzer 58182 308538 84309 0 2 0x1e000482 syz-fuzzer 58182 196384 84309 0 3 0x1e000082 thrsleep syz-fuzzer 58182 51679 84309 0 3 0x1e000082 wait syz-fuzzer 58182 146459 84309 0 3 0x1e000082 thrsleep syz-fuzzer 58182 377696 84309 0 3 0x1e000082 thrsleep syz-fuzzer 58182 22510 84309 0 3 0x1e000082 wait syz-fuzzer 58182 240972 84309 0 3 0x1e000082 thrsleep syz-fuzzer 58182 349679 84309 0 3 0x1e000082 wait syz-fuzzer 58182 512632 84309 0 3 0x1e000082 wait syz-fuzzer 58182 328688 84309 0 3 0x1e000082 thrsleep syz-fuzzer 58182 1881 84309 0 3 0x1e000082 thrsleep syz-fuzzer 58182 16982 84309 0 3 0x1e000082 wait syz-fuzzer 58182 50016 84309 0 3 0x1e000082 wait syz-fuzzer 58182 457318 84309 0 3 0x1e000082 thrsleep syz-fuzzer 58182 79762 84309 0 3 0x1e000082 kqread syz-fuzzer 58182 468523 84309 0 3 0x1e000082 wait syz-fuzzer 84309 183851 31337 0 3 0x810008a sigsusp ksh 31337 155728 42309 0 3 0x1800009a kqread sshd 42309 473709 1 0 3 0x18000088 kqread sshd 89694 389071 55827 74 3 0x19100092 bpf pflogd 55827 262227 1 0 3 0x18000080 sbwait pflogd 17529 44916 18061 73 2 0x19100090 syslogd 18061 310626 1 0 3 0x18100082 sbwait syslogd 75965 326079 1 0 3 0x18100080 kqread resolvd 30730 51531 68837 77 3 0x18100092 kqread dhcpleased 2402 164110 68837 77 3 0x18100092 kqread dhcpleased 68837 371694 1 0 3 0x18000080 kqread dhcpleased 12825 128407 0 0 3 0x14200 bored smr 93016 23211 0 0 2 0x14200 zerothread 83994 487413 0 0 3 0x14200 aiodoned aiodoned 99464 446363 0 0 3 0x14200 syncer update 75893 17285 0 0 3 0x14200 cleaner cleaner 94445 35948 0 0 3 0x14200 reaper reaper 36879 178975 0 0 3 0x14200 pgdaemon pagedaemon 49482 65498 0 0 3 0x14200 bored viomb 55870 214406 0 0 3 0x40014200 acpi0 acpi0 21591 211416 0 0 3 0x40014200 idle1 5770 18159 0 0 3 0x14200 bored softnet3 49004 403322 0 0 3 0x14200 bored softnet2 61015 216185 0 0 3 0x14200 bored softnet1 75828 275003 0 0 3 0x14200 bored softnet0 53877 331298 0 0 3 0x14200 bored systqmp 55733 202351 0 0 3 0x14200 bored systq 3228 130391 0 0 3 0x14200 tmoslp softclockmp 44644 153484 0 0 2 0x40014200 softclock 3429 273146 0 0 3 0x40014200 idle0 1 34255 0 0 3 0x8080082 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 61530 (syz-executor.7) thread 0xffff80002a235748 (380375) exclusive rrwlock inode r = 0 (0xfffffd806e166918) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #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:518 #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:1126 #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 (0xffffffff82d63128) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #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 37815 (syz-executor.6) thread 0xffff8000ffff5220 (93261) exclusive rrwlock inode r = 0 (0xfffffd80735b2d68) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #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:518 #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:1117 #8 VOP_MKDIR+0xc3 sys/kern/vfs_vops.c:388 #9 domkdirat+0x125 sys/kern/vfs_syscalls.c:3077 #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 (0xfffffd80695a94d8) #0 witness_lock+0x446 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x446 sys/kern/subr_witness.c:1187 #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:518 #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:3062 #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10205 6630K 10774K 166960K 15199 0 pcb 18 16K 18K 166960K 468 0 rtable 205 6K 7K 166960K 1393 0 pf 33 9K 10K 166960K 174 0 ifaddr 40 15K 16K 166960K 195 0 ifgroup 58 2K 2K 166960K 288 0 sysctl 4 1K 1K 166960K 6 0 counters 64 36K 36K 166960K 178 0 ioctlops 0 0K 4K 166960K 1703 0 iov 0 0K 16K 166960K 269 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1441 91K 91K 166960K 3524 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 56 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 276 0 dirhash 12 2K 3K 166960K 96 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 73K 166960K 3020 0 sigio 0 0K 0K 166960K 58 0 proc 71 91K 128K 166960K 1602 0 subproc 104 6K 7K 166960K 459 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 432 0 in_multi 83 6K 7K 166960K 484 0 ether_multi 1 0K 0K 166960K 15 0 mrt 1 0K 0K 166960K 5 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 115 519K 519K 166960K 115 0 exec 0 0K 1K 166960K 1341 0 pfkey data 0 0K 0K 166960K 3 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 305 112K 126K 166960K 28177 0 UVM aobj 63 2K 2K 166960K 69 0 pinsyscall 41 82K 108K 166960K 4976 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 1K 166960K 264 0 NDP 12 0K 2K 166960K 141 0 temp 75 6820K 7312K 166960K 115212 0 kqueue 13 20K 31K 166960K 460 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 120 322 0 319 1 0 1 1 0 8 0 rtentry 112 467 0 373 6 2 4 4 0 8 0 unpcb 144 2286 0 2266 15 14 1 6 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 38 44 38 1 1 0 1 0 8 0 tcpcb 808 889 0 884 22 20 2 8 0 8 1 arp 120 87 0 68 1 0 1 1 0 8 0 inpcb 384 3126 0 3116 36 34 2 9 0 8 0 nd6 136 121 0 101 1 0 1 1 0 8 0 pkpcb 40 20 0 20 12 11 1 1 0 8 1 kcovpl 48 35 0 27 1 0 1 1 0 8 0 ppxss 1168 8 0 8 7 7 0 1 0 8 0 pffrag 232 29 0 26 2 1 1 1 0 482 0 pffrnode 88 26 0 23 2 1 1 1 0 8 0 pffrent 40 52 0 49 2 1 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 24 239 0 211 1 0 1 1 0 8 0 pfstkey 128 239 0 211 2 0 2 2 0 8 0 pfstate 376 239 0 211 7 2 5 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 1790 0 1356 42 11 31 31 0 8 0 art_table 32 1791 0 1356 4 0 4 4 0 8 0 art_node 16 464 0 378 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 9 2 1 1 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 273 0 263 1 0 1 1 0 8 0 shmpl 112 66 0 6 2 0 2 2 0 8 0 dirhash 1024 73 0 56 3 0 3 3 0 8 0 dino2pl 256 6133 0 4600 97 0 97 97 0 8 0 ffsino 272 6133 0 4600 103 0 103 103 0 8 0 nchpl 144 10537 0 8801 67 0 67 67 0 8 0 uvmvnodes 80 7723 0 0 158 0 158 158 0 8 0 vnodes 216 7723 0 0 430 0 430 430 0 8 0 namei 1024 38243 0 38242 10 9 1 2 0 8 0 percpumem 16 103 0 57 1 0 1 1 0 8 0 vcpupl 3904 9 0 1 1 0 1 1 0 8 0 vmpool 696 18 0 10 1 0 1 1 0 8 0 kstatmem 264 138 0 114 2 0 2 2 0 8 0 scsiplug 72 8 0 8 6 6 0 1 0 8 0 scxspl 216 69905 0 69905 18 15 3 8 1 8 3 plimitpl 152 480 0 463 1 0 1 1 0 8 0 sigapl 424 3301 0 3251 7 1 6 6 0 8 0 futexpl 64 48078 0 48074 6 5 1 1 0 8 0 knotepl 120 730 0 0 18 0 18 18 0 8 0 kqueuepl 216 925 0 916 5 4 1 4 0 8 0 pipepl 320 650 0 622 8 5 3 6 0 8 0 fdescpl 496 3281 0 3251 5 0 5 5 0 8 0 filepl 152 21412 0 21150 40 24 16 20 0 8 5 lockfpl 104 775 0 773 1 0 1 1 0 8 0 lockfspl 48 325 0 323 1 0 1 1 0 8 0 sessionpl 144 57 0 40 1 0 1 1 0 8 0 pgrppl 48 104 0 87 1 0 1 1 0 8 0 ucredpl 104 3446 0 3434 1 0 1 1 0 8 0 zombiepl 144 3251 0 3251 2 1 1 1 0 8 1 processpl 1136 3301 0 3251 4 0 4 4 0 8 0 procpl 656 6515 0 6442 8 1 7 7 0 8 0 srpgc 96 22 0 22 8 8 0 1 0 8 0 sosppl 168 59 0 59 15 15 0 1 0 8 0 sockpl 664 5794 0 5761 45 41 4 20 0 8 1 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 4 0 0 1 0 1 1 0 8 0 mcl4k 4096 8 0 0 1 0 1 1 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 505 0 0 42 5 37 42 0 8 0 mtagpl 96 26 0 0 1 0 1 1 0 8 0 mbufpl 256 1122 0 0 62 0 62 62 0 8 0 bufpl 280 13588 0 5031 612 0 612 612 0 8 0 anonpl 24 557689 0 551416 148 81 67 88 0 186 3 amapchunkpl 152 93859 0 93141 91 53 38 45 0 158 5 amappl16 200 12926 0 12805 74 63 11 32 0 8 0 amappl15 192 15 0 15 1 1 0 1 0 8 0 amappl14 184 245 0 233 2 1 1 2 0 8 0 amappl13 176 17 0 17 2 2 0 1 0 8 0 amappl12 168 4413 0 4382 3 1 2 2 0 8 0 amappl11 160 60 0 45 1 0 1 1 0 8 0 amappl10 152 102 0 91 1 0 1 1 0 8 0 amappl9 144 179 0 179 3 3 0 1 0 8 0 amappl8 136 233 0 192 2 0 2 2 0 8 0 amappl7 128 60 0 44 1 0 1 1 0 8 0 amappl6 120 782 0 761 2 1 1 2 0 8 0 amappl5 112 287 0 271 1 0 1 1 0 8 0 amappl4 104 803 0 764 2 0 2 2 0 8 0 amappl3 96 17467 0 17378 3 0 3 3 0 8 0 amappl2 88 3859 0 3783 4 2 2 4 0 8 0 amappl1 80 20613 0 20063 23 10 13 23 0 8 0 amappl 88 27153 0 26947 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 68 0 6 2 0 2 2 0 8 0 uaddrrnd 24 3299 0 3261 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3299 0 3261 1 0 1 1 0 8 0 vmmpekpl 168 27207 0 27152 3 0 3 3 0 8 0 vmmpepl 168 217774 0 215732 173 75 98 119 0 357 0 vmsppl 440 3298 0 3261 6 1 5 5 0 8 0 rwobjpl 56 64578 0 55615 136 9 127 127 0 8 0 rwobjpl: pool(0xffffffff82e21ee0:rwobjpl): page inconsistency: page 0x0; at page head addr 0xfffffd805faf0f90 (p 0xfffffd805faf0000) pdppl 4096 6605 0 6530 256 179 77 79 0 8 2 pvpl 32 46479 0 0 376 1 375 375 0 265 0 pmappl 248 3298 0 3261 3 0 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 653 0 234 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x1c sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(fffffd805faf0cf8,9,0) at witness_checkorder+0x140 rw_enter(fffffd805faf0ce8,1) at rw_enter+0xd1 uvm_vnp_terminate(fffffd805f564a20) at uvm_vnp_terminate+0x29 sys/uvm/uvm_vnode.c:428 vclean(fffffd805f564a20,8,ffff80002a235748) at vclean+0x10a sys/kern/vfs_subr.c:1063 vgonel(fffffd805f564a20,ffff80002a235748) at vgonel+0x7f sys/kern/vfs_subr.c:1175 checkalias(fffffd805c348a20,35c4a,0) at checkalias+0x159 cdevvp(35c4a,ffff80002f0b23f0) at cdevvp+0x9c getdevvp sys/kern/vfs_subr.c:533 [inline] cdevvp(35c4a,ffff80002f0b23f0) at cdevvp+0x9c sys/kern/vfs_subr.c:507 spec_open_clone(ffff80002f0b24c8) at spec_open_clone+0x18f sys/kern/spec_vnops.c:711 spec_open(ffff80002f0b24c8) at spec_open+0x242 sys/kern/spec_vnops.c:148 VOP_OPEN(fffffd80745199a8,1,fffffd807f7d74e0,ffff80002a235748) at VOP_OPEN+0x79 sys/kern/vfs_vops.c:138 vn_open(ffff80002f0b2718,1,0) at vn_open+0x4e4 sys/kern/vfs_vnops.c:177 doopenat(ffff80002a235748,ffffff9c,20000040,0,0,ffff80002f0b28c0) at doopenat+0x269 sys/kern/vfs_syscalls.c:1126 syscall(ffff80002f0b2970) at syscall+0x854 mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002f0b2970) at syscall+0x854 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x64e54991ae0, count: -15 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp 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 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c kd_curproc sys/dev/kcov.c:589 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2c sys/dev/kcov.c:158 __mp_lock(ffffffff82d62f20) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82d62f20) at __mp_lock+0x133 sys/kern/kern_lock.c:147 syscall(ffff80002bc94740) at syscall+0x83b mi_syscall sys/sys/syscall_mi.h:180 [inline] syscall(ffff80002bc94740) at syscall+0x83b sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78bc1f827840, count: -7