login: witness: lock_object uninitialized: 0xffff800000eb7028 Starting stack trace... witness_checkorder(ffff800000eb7028,9,0) at witness_checkorder+0x137 witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000eb7028,9,0) at witness_checkorder+0x137 sys/kern/subr_witness.c:777 rw_enter_write(ffff800000eb7018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000eb7000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000eb7000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff1ab8) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002bc91008,0,0,3) at exit1+0x3d8 sys/kern/kern_exit.c:218 single_thread_check_locked(ffff80002bc91008,0,0) at single_thread_check_locked+0x237 sys/kern/kern_sig.c:2014 userret(ffff80002bc91008) at userret+0x7c single_thread_check sys/kern/kern_sig.c:2053 [inline] userret(ffff80002bc91008) at userret+0x7c sys/kern/kern_sig.c:1969 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x7998ba4e2860, count: 249 End of stack trace. Stopped at db_enter+0x1c: addq $0x8,%rsp ddb{0}> 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(ffff800000eb7028,9,0) at witness_checkorder+0x13c witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000eb7028,9,0) at witness_checkorder+0x13c sys/kern/subr_witness.c:777 rw_enter_write(ffff800000eb7018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000eb7000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000eb7000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff1ab8) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002bc91008,0,0,3) at exit1+0x3d8 sys/kern/kern_exit.c:218 single_thread_check_locked(ffff80002bc91008,0,0) at single_thread_check_locked+0x237 sys/kern/kern_sig.c:2014 userret(ffff80002bc91008) at userret+0x7c single_thread_check sys/kern/kern_sig.c:2053 [inline] userret(ffff80002bc91008) at userret+0x7c sys/kern/kern_sig.c:1969 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x7998ba4e2860, count: -9 ddb{0}> show registers rdi 0 rsi 0x4000000000000000 rbp 0xffff800035978b40 rbx 0x3 rdx 0 rcx 0xffff80002bc91008 rax 0xffffffff82cb0ff0 cpu_info_full_primary+0x1ff0 r8 0xffff800035978ae0 r9 0x8080808080808080 r10 0xffff800035978a30 r11 0x7e20a09c9b8bd8cc r12 0xffff800000eb7001 r13 0xffff800000eb7028 r14 0 r15 0 rip 0xffffffff811e040c db_enter+0x1c cs 0x8 rflags 0x246 rsp 0xffff800035978b30 ss 0x10 db_enter+0x1c: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.2) tid=367877 pid=87813 tcnt=1 stat=onproc flags process=1008 proc=82000 runpri=32, usrpri=85, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a232800 forw=0xffffffffffffffff, list=0xffff80002a155d50,0xffff80002bc91ab8 process=0xffff8000ffff1ab8 user=0xffff800035973000, vmspace=0xfffffd806947d8f0 estcpu=35, cpticks=13, pctcpu=0.1, user=0, sys=8, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10029 215604 27828 0 2 0 syz-executor.0 13795 308231 26041 0 2 0 syz-executor.6 81306 9040 32786 0 2 0 syz-executor.3 81306 422935 32786 0 3 0x4000080 fsleep syz-executor.3 81306 36994 32786 0 3 0x4000080 fsleep syz-executor.3 98895 210560 74908 0 2 0 syz-executor.7 98895 478464 74908 0 3 0x4000080 fsleep syz-executor.7 98895 150706 74908 0 3 0x4000080 fsleep syz-executor.7 92829 306139 35774 0 2 0 syz-executor.4 92829 32677 35774 0 3 0x4000080 fsleep syz-executor.4 58766 7889 41629 0 2 0 syz-executor.5 58766 113026 41629 0 3 0x4000080 fsleep syz-executor.5 26041 33207 49452 0 2 0x482 syz-executor.6 7810 120900 1 0 3 0x80 nanoslp init 20568 42126 0 0 3 0x14200 acct acct 74908 439484 49452 0 2 0x482 syz-executor.7 65525 333847 0 0 3 0x14280 nfsidl nfsio 11533 441437 0 0 3 0x14280 nfsidl nfsio 38313 113043 0 0 3 0x14280 nfsidl nfsio 15036 239710 0 0 3 0x14280 nfsidl nfsio 28392 314772 0 0 3 0x14280 nfsidl nfsio 86505 387320 0 0 3 0x14280 nfsidl nfsio 90792 219368 0 0 3 0x14280 nfsidl nfsio 63246 493227 0 0 3 0x14280 nfsidl nfsio 34866 275388 0 0 3 0x14280 nfsidl nfsio 74550 281448 0 0 3 0x14280 nfsidl nfsio 68774 399420 0 0 3 0x14280 nfsidl nfsio 28968 83429 0 0 3 0x14280 nfsidl nfsio 84853 374582 0 0 3 0x14280 nfsidl nfsio 93942 497389 0 0 3 0x14280 nfsidl nfsio 71971 386679 0 0 3 0x14280 nfsidl nfsio 12396 275907 0 0 3 0x14280 nfsidl nfsio 45169 424755 0 0 3 0x14280 nfsidl nfsio 69185 449572 0 0 3 0x14280 nfsidl nfsio 28839 141315 0 0 3 0x14280 nfsidl nfsio 69961 5125 0 0 3 0x14280 nfsidl nfsio 41629 262163 49452 0 2 0x482 syz-executor.5 2765 172222 49452 0 2 0x482 syz-executor.2 80311 145046 0 0 3 0x14200 bored sosplice 35774 467843 49452 0 2 0x482 syz-executor.4 32786 468504 49452 0 2 0x482 syz-executor.3 30180 294321 49452 0 2 0x2 syz-executor.1 27828 244334 49452 0 2 0x482 syz-executor.0 49452 90273 95517 0 3 0x2000082 thrsleep syz-fuzzer 49452 274778 95517 0 2 0x6000482 syz-fuzzer 49452 490388 95517 0 3 0x6000082 thrsleep syz-fuzzer 49452 459498 95517 0 3 0x6000082 wait syz-fuzzer 49452 500628 95517 0 3 0x6000082 wait syz-fuzzer 49452 450364 95517 0 3 0x6000082 wait syz-fuzzer 49452 7967 95517 0 3 0x6000082 wait syz-fuzzer 49452 300204 95517 0 3 0x6000082 thrsleep syz-fuzzer 49452 381779 95517 0 3 0x6000082 thrsleep syz-fuzzer 49452 102346 95517 0 3 0x6000082 wait syz-fuzzer 49452 454978 95517 0 3 0x6000082 wait syz-fuzzer 49452 436785 95517 0 3 0x6000082 thrsleep syz-fuzzer 49452 270344 95517 0 3 0x6000082 thrsleep syz-fuzzer 49452 466626 95517 0 3 0x6000082 kqread syz-fuzzer 49452 368272 95517 0 3 0x6000082 wait syz-fuzzer 49452 76522 95517 0 3 0x6000082 wait syz-fuzzer 49452 166424 95517 0 3 0x6000082 thrsleep syz-fuzzer 95517 349078 8449 0 3 0x10008a sigsusp ksh 8449 371364 90056 0 3 0x9a kqread sshd 90056 170828 1 0 3 0x88 kqread sshd 91044 489864 75311 74 3 0x1100092 bpf pflogd 75311 504570 1 0 3 0x80 netio pflogd 46777 230173 75938 73 2 0x1100090 syslogd 75938 511740 1 0 3 0x100082 netio syslogd 3302 262020 1 0 3 0x100080 kqread resolvd 35441 435537 13067 77 3 0x100092 kqread dhcpleased 85303 353347 13067 77 3 0x100092 kqread dhcpleased 13067 508952 1 0 3 0x80 kqread dhcpleased 67743 177668 0 0 3 0x14200 bored smr 34600 205213 0 0 2 0x14200 zerothread 55977 337245 0 0 3 0x14200 aiodoned aiodoned 74884 204356 0 0 3 0x14200 syncer update 30904 84904 0 0 3 0x14200 cleaner cleaner 94500 213435 0 0 2 0x14200 reaper 45208 144148 0 0 3 0x14200 pgdaemon pagedaemon 39796 286160 0 0 3 0x14200 bored viomb 53699 136446 0 0 3 0x40014200 acpi0 acpi0 36074 370176 0 0 7 0x40014200 idle1 19082 35786 0 0 3 0x14200 bored softnet3 75896 290490 0 0 3 0x14200 bored softnet2 96535 483454 0 0 3 0x14200 bored softnet1 63436 422673 0 0 3 0x14200 bored softnet0 20754 118609 0 0 3 0x14200 bored systqmp 87650 172621 0 0 3 0x14200 bored systq 38314 444036 0 0 3 0x14200 tmoslp softclockmp 46624 293090 0 0 2 0x40014200 softclock 80268 256765 0 0 3 0x40014200 idle0 1 421256 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 94500 (reaper) thread 0xffff80002a155ff8 (213435) exclusive rwlock kmmaplk r = 0 (0xffffffff82db9000) #0 witness_lock+0x447 #1 rw_enter+0x3c8 sys/kern/kern_rwlock.c:309 #2 vm_map_lock_ln+0xfa sys/uvm/uvm_map.c:5369 #3 uvm_unmap+0x7c sys/uvm/uvm_map.c:1855 #4 uvm_uarea_free+0x39 sys/uvm/uvm_glue.c:288 #5 reaper+0x168 sys/kern/kern_exit.c:452 #6 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10221 6682K 6971K 166960K 18110 0 pcb 15 16K 18K 166960K 302 0 rtable 233 7K 7K 166960K 849 0 pf 36 10K 10K 166960K 103 0 ifaddr 45 15K 16K 166960K 97 0 ifgroup 63 2K 2K 166960K 155 0 sysctl 3 0K 0K 166960K 5 0 counters 66 36K 36K 166960K 118 0 ioctlops 0 0K 4K 166960K 1822 0 iov 0 0K 32K 166960K 562 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1476 92K 93K 166960K 4050 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 51 0 VM map 2 1K 1K 166960K 2 0 sem 12 0K 0K 166960K 303 0 dirhash 12 2K 2K 166960K 36 0 ACPI 1697 195K 286K 166960K 12548 0 file desc 17 61K 89K 166960K 3458 0 sigio 0 0K 0K 166960K 141 0 proc 67 103K 115K 166960K 835 0 subproc 104 6K 6K 166960K 156 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 112 0 in_multi 92 7K 7K 166960K 184 0 ether_multi 1 0K 0K 166960K 1 0 mrt 1 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 85 387K 387K 166960K 85 0 exec 0 0K 1K 166960K 891 0 tdb 3 0K 0K 166960K 3 0 pagedep 1 8K 8K 166960K 1 0 inodedep 1 32K 32K 166960K 1 0 newblk 1 0K 0K 166960K 1 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 391 137K 142K 166960K 34565 0 UVM aobj 131 4K 4K 166960K 140 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 100 0 NDP 13 0K 1K 166960K 68 0 temp 74 6712K 6792K 166960K 27705 0 kqueue 12 18K 25K 166960K 295 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 120 277 0 274 3 2 1 3 0 8 0 rtentry 112 218 0 110 5 1 4 4 0 8 0 unpcb 144 2956 0 2937 25 24 1 9 0 8 0 syncache 312 25 0 25 5 5 0 1 0 8 0 tcpqe 32 343 0 343 5 5 0 1 0 8 0 tcpcb 808 721 0 706 26 22 4 9 0 8 0 arp 120 36 0 16 1 0 1 1 0 8 0 inpcb 368 2239 0 2219 40 37 3 14 0 8 0 nd6 136 46 0 24 1 0 1 1 0 8 0 pkpcb 40 16 0 16 2 2 0 1 0 8 0 kcovpl 48 12 0 4 1 0 1 1 0 8 0 ppxss 1168 8 0 8 2 2 0 1 0 8 0 pffrag 232 12 0 9 1 0 1 1 0 482 0 pffrnode 88 12 0 9 1 0 1 1 0 8 0 pffrent 40 31 0 28 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 pfstitem 24 132 0 87 1 0 1 1 0 8 0 pfstkey 128 132 0 87 2 0 2 2 0 8 0 pfstate 376 132 0 87 5 0 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 256 789 0 356 31 3 28 29 0 8 0 art_table 32 790 0 356 4 0 4 4 0 8 0 art_node 16 205 0 108 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 5 2 2 0 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 294 0 284 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 33 0 16 3 0 3 3 0 8 0 dino2pl 256 6304 0 4839 92 0 92 92 0 8 0 ffsino 272 6304 0 4839 98 0 98 98 0 8 0 nchpl 144 11087 0 9431 64 0 64 64 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 216 5926 0 0 330 0 330 330 0 8 0 namei 1024 37576 0 37576 5 3 2 2 0 8 2 percpumem 16 73 0 26 1 0 1 1 0 8 0 vcpupl 2048 6 0 0 1 0 1 1 0 8 0 vmpool 696 48 0 42 1 0 1 1 0 8 0 kstatmem 264 78 0 52 2 0 2 2 0 8 0 scxspl 216 32700 0 32700 10 9 1 8 1 8 1 plimitpl 152 388 0 373 1 0 1 1 0 8 0 sigapl 424 3908 0 3837 10 2 8 9 0 8 0 futexpl 64 30874 0 30868 1 0 1 1 0 8 0 knotepl 120 353 0 0 11 0 11 11 0 8 0 kqueuepl 216 781 0 773 15 14 1 5 0 8 0 pipepl 320 768 0 740 24 21 3 8 0 8 0 fdescpl 496 3761 0 3731 6 2 4 5 0 8 0 filepl 152 23286 0 23037 47 36 11 19 0 8 1 lockfpl 104 1668 0 1665 6 5 1 2 0 8 0 lockfspl 48 604 0 601 1 0 1 1 0 8 0 sessionpl 144 29 0 13 1 0 1 1 0 8 0 pgrppl 48 49 0 33 1 0 1 1 0 8 0 ucredpl 104 3912 0 3897 1 0 1 1 0 8 0 zombiepl 144 3879 0 3878 3 2 1 1 0 8 0 processpl 1136 3908 0 3837 6 0 6 6 0 8 0 procpl 680 8964 0 8869 9 0 9 9 0 8 0 srpgc 96 7 0 7 3 3 0 1 0 8 0 sosppl 168 32 0 31 3 2 1 1 0 8 0 sockpl 488 5496 0 5456 146 139 7 36 0 8 0 mcl64k 65536 6 0 0 1 0 1 1 0 8 0 mcl16k 16384 3 0 0 1 0 1 1 0 8 0 mcl12k 12288 5 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 8 0 0 1 0 1 1 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 318 0 0 39 0 39 39 0 8 0 mtagpl 96 448 0 0 11 0 11 11 0 8 0 mbufpl 256 961 0 0 59 0 59 59 0 8 0 bufpl 288 9751 0 3432 452 0 452 452 0 8 0 anonpl 24 542291 0 528719 146 45 101 119 0 186 0 amapchunkpl 152 109682 0 108758 55 17 38 43 0 158 0 amappl16 200 14501 0 14036 73 47 26 39 0 8 0 amappl15 192 29 0 28 1 0 1 1 0 8 0 amappl14 184 172 0 159 2 1 1 2 0 8 0 amappl13 176 80 0 79 1 0 1 1 0 8 0 amappl12 168 4558 0 4527 3 1 2 2 0 8 0 amappl11 160 60 0 46 1 0 1 1 0 8 0 amappl10 152 30 0 19 1 0 1 1 0 8 0 amappl9 144 298 0 298 8 8 0 1 0 8 0 amappl8 136 335 0 242 4 0 4 4 0 8 0 amappl7 128 213 0 184 3 1 2 3 0 8 0 amappl6 120 388 0 374 1 0 1 1 0 8 0 amappl5 112 209 0 197 1 0 1 1 0 8 0 amappl4 104 539 0 510 2 1 1 2 0 8 0 amappl3 96 21334 0 21240 6 3 3 4 0 8 0 amappl2 88 4336 0 4257 3 1 2 3 0 8 0 amappl1 80 22013 0 21479 23 10 13 23 0 8 0 amappl 88 33854 0 33599 10 3 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 72 139 0 9 3 0 3 3 0 8 0 uaddrrnd 24 3808 0 3772 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3808 0 3772 1 0 1 1 0 8 0 vmmpekpl 168 32544 0 32481 4 0 4 4 0 8 0 vmmpepl 168 239599 0 237143 187 72 115 140 0 357 0 vmsppl 448 3807 0 3772 7 2 5 5 0 8 0 rwobjpl 56 70516 0 62884 114 4 110 113 0 8 0 pdppl 4096 7623 0 7550 185 110 75 81 0 8 2 pvpl 32 42027 0 0 339 0 339 339 0 265 0 pmappl 248 3807 0 3772 4 1 3 3 0 8 0 extentpl 40 56 0 38 1 0 1 1 0 8 0 phpool 112 1064 0 186 26 0 26 26 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(ffff800000eb7028,9,0) at witness_checkorder+0x13c witness_debugger sys/kern/subr_witness.c:2510 [inline] witness_checkorder(ffff800000eb7028,9,0) at witness_checkorder+0x13c sys/kern/subr_witness.c:777 rw_enter_write(ffff800000eb7018) at rw_enter_write+0x5c sys/kern/kern_rwlock.c:128 unveil_delete_names(ffff800000eb7000) at unveil_delete_names+0x34 unvname_rbt_RBT_MIN sys/kern/kern_unveil.c:92 [inline] unveil_delete_names(ffff800000eb7000) at unveil_delete_names+0x34 sys/kern/kern_unveil.c:102 unveil_destroy(ffff8000ffff1ab8) at unveil_destroy+0xad sys/kern/kern_unveil.c:183 exit1(ffff80002bc91008,0,0,3) at exit1+0x3d8 sys/kern/kern_exit.c:218 single_thread_check_locked(ffff80002bc91008,0,0) at single_thread_check_locked+0x237 sys/kern/kern_sig.c:2014 userret(ffff80002bc91008) at userret+0x7c single_thread_check sys/kern/kern_sig.c:2053 [inline] userret(ffff80002bc91008) at userret+0x7c sys/kern/kern_sig.c:1969 Xsyscall() at Xsyscall+0x156 end of kernel end trace frame: 0x7998ba4e2860, count: -9 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1e: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800029cfbff0) 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+0x312 sys/dev/acpi/acpicpu.c:1206 sched_idle(ffff800029cfbff0) at sched_idle+0x41e sys/kern/kern_sched.c:191 end trace frame: 0x0, count: -5