V:J%R ?-4*@GLntzr70|`$ܕ~r|겿8-)voڱ,r˘vx +Fv7F'witness: lock_object uninitialized: 0xffff800010fd9030 Starting stack trace... witness_checkorder(ffff800010fd9030,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff800010fd9030,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_do_enter_write(ffff800010fd9018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800010fd9000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c582b50) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a428a80,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a428a80,ffff80002a45ed30,ffff80002a45ec80) at sys_exit+0x1a syscall(ffff80002a45ed30) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a45ed30) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c5d178989f0, count: 249 End of stack trace. Stopped at db_enter+0x25: 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+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800010fd9030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff800010fd9018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800010fd9000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c582b50) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a428a80,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a428a80,ffff80002a45ed30,ffff80002a45ec80) at sys_exit+0x1a syscall(ffff80002a45ed30) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a45ed30) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c5d178989f0, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff80002a45e9c0 rbx 0 rdx 0 rcx 0xffff80002a428a80 rax 0xffff800029a9bff0 r8 0xffff80002a45e960 r9 0x8080808080808080 r10 0xf6cbd56019a97c97 r11 0x7509779465261ff7 r12 0 r13 0x1 r14 0xffff800010fd9030 r15 0x3 rip 0xffffffff81cd1b05 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a45e9b0 ss 0 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=397895 pid=90766 tcnt=0 stat=onproc flags process=1018 proc=2000 runpri=32, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a428a80 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a429750,0xffff80002a428800 process=0xffff80003c582b50 user=0xffff80002a459000, vmspace=0xfffffd806be871e0 estcpu=36, cpticks=13, pctcpu=0.0, user=0, sys=6, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 9398 361740 38322 0 2 0 syz-executor 9398 281833 38322 0 3 0x4000080 fsleep syz-executor 27856 108150 59650 0 2 0 syz-executor 27856 276705 59650 0 2 0x4000080 syz-executor 55199 235731 98444 0 2 0 syz-executor 55199 167477 98444 0 2 0x4000000 syz-executor 55199 519477 98444 0 3 0x4000080 fsleep syz-executor 37101 41110 95160 0 2 0 syz-executor 37101 117901 95160 0 3 0x4000080 fsleep syz-executor 37101 175257 95160 0 2 0x4000000 syz-executor 33062 497551 67177 0 7 0 syz-executor 33062 72193 67177 0 3 0x4000080 bell syz-executor 33062 481732 67177 0 2 0x4000000 syz-executor 33062 206290 67177 0 3 0x4000080 fsleep syz-executor 80233 30946 84823 0 2 0x10 syz-executor 80233 416455 84823 0 2 0x4000010 syz-executor 80233 110569 84823 0 3 0x4000090 fsleep syz-executor 79540 210667 47597 0 3 0 futex syz-executor 79540 182577 47597 0 2 0x4000000 syz-executor 79540 320609 47597 0 3 0x4000080 fsleep syz-executor 38322 146413 3560 0 3 0x82 nanoslp syz-executor 88900 520116 0 0 3 0x14200 acct acct 37772 311889 1 0 3 0x100083 ttyin getty 47597 318114 3560 0 3 0x82 nanoslp syz-executor 59650 249918 3560 0 3 0x82 nanoslp syz-executor 65960 44819 0 0 3 0x14200 bored sosplice 26209 431715 3560 0 3 0x82 nanoslp syz-executor 84823 354241 3560 0 3 0x82 nanoslp syz-executor 67177 517903 3560 0 3 0x82 nanoslp syz-executor 95160 310782 3560 0 3 0x82 nanoslp syz-executor 98444 521627 3560 0 3 0x82 nanoslp syz-executor 3560 101880 15245 0 3 0x82 kqread syz-executor 15245 133363 97024 0 3 0x10008a sigsusp ksh 97024 115537 24220 0 3 0x98 kqread sshd-session 24220 170052 60888 0 3 0x92 kqread sshd-session 60888 485180 1 0 3 0x88 kqread sshd 1722 64800 56568 74 3 0x1100092 bpf pflogd 56568 39397 1 0 3 0x80 sbwait pflogd 51501 420604 21290 73 3 0x1100090 kqread syslogd 21290 75354 1 0 3 0x100082 sbwait syslogd 80961 264980 1 0 3 0x100080 kqread resolvd 33970 460640 42096 77 3 0x100092 kqread dhcpleased 7762 356000 42096 77 3 0x100092 kqread dhcpleased 42096 153345 1 0 3 0x80 kqread dhcpleased 87502 307692 0 0 3 0x14200 bored smr 723 327663 0 0 2 0x14200 zerothread 59085 353994 0 0 3 0x14200 aiodoned aiodoned 12773 93289 0 0 3 0x14200 syncer update 4740 258725 0 0 3 0x14200 cleaner cleaner 58339 331925 0 0 2 0x14200 reaper 32705 349242 0 0 3 0x14200 pgdaemon pagedaemon 34469 182402 0 0 3 0x14200 bored viomb 44176 207446 0 0 3 0x40014200 acpi0 acpi0 18508 7447 0 0 3 0x40014200 idle1 90314 1719 0 0 3 0x14200 bored softnet3 82200 20803 0 0 3 0x14200 bored softnet2 39106 113118 0 0 3 0x14200 bored softnet1 82291 111835 0 0 2 0x14200 softnet0 76803 91774 0 0 3 0x14200 bored systqmp 73521 521095 0 0 3 0x14200 bored systq 75482 331434 0 0 3 0x14200 tmoslp softclockmp 19631 96865 0 0 3 0x40014200 tmoslp softclock 79984 245336 0 0 3 0x40014200 idle0 1 93441 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 33062 (syz-executor) thread 0xffff8000ffff8a60 (481732) exclusive rwlock netlock r = 0 (0xffffffff83883728) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sosetopt+0xf2 sys/kern/uipc_socket.c:1917 #3 sys_setsockopt+0x2ba sys/kern/uipc_syscalls.c:1221 #4 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #4 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #5 Xsyscall+0x128 Process 79540 (syz-executor) thread 0xffff80002f0994b8 (182577) exclusive rwlock futex r = 0 (0xffffffff83895658) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 sys_futex+0x69 sys/kern/sys_futex.c:98 #3 syscall+0xbc6 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbc6 sys/arch/amd64/amd64/trap.c:577 #4 Xsyscall+0x128 Process 58339 (reaper) thread 0xffff8000ffffcf68 (331925) exclusive rwlock kmmaplk r = 0 (0xffffffff8394a328) #0 witness_lock+0x5bb stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5bb sys/kern/subr_witness.c:1155 #1 rw_do_enter_write+0x3ea sys/kern/kern_rwlock.c:316 #2 vm_map_lock_ln+0x12e sys/uvm/uvm_map.c:5250 #3 uvm_unmap+0x81 sys/uvm/uvm_map.c:1792 #4 km_free+0x87 sys/uvm/uvm_km.c:833 #5 uvm_uarea_free+0x4f sys/uvm/uvm_glue.c:284 #6 reaper+0x1fe sys/kern/kern_exit.c:466 #7 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10241 11185K 11472K 166960K 14426 0 pcb 17 17K 19K 166960K 419 0 rtable 136 8K 8K 166960K 711 0 pf 38 18K 23K 166960K 189 0 ifaddr 28 4K 7K 166960K 131 0 ifgroup 51 2K 2K 166960K 206 0 sysctl 4 1K 5K 166960K 6 0 counters 62 36K 37K 166960K 184 0 ioctlops 0 0K 4K 166960K 1713 0 iov 0 0K 16K 166960K 192 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1449 91K 92K 166960K 3463 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 143 0 dirhash 12 2K 2K 166960K 54 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 240K 166960K 2440 0 sigio 0 0K 0K 166960K 38 0 proc 78 115K 152K 166960K 888 0 subproc 72 4K 4K 166960K 122 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 287 0 in_multi 45 3K 7K 166960K 236 0 ether_multi 1 0K 0K 166960K 19 0 mrt 1 0K 0K 166960K 10 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 277 1235K 1235K 166960K 277 0 exec 0 0K 1K 166960K 886 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 250 74K 89K 166960K 24411 0 UVM aobj 77 3K 4K 166960K 95 0 pinsyscall 43 86K 107K 166960K 3686 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 115 0 NDP 11 0K 2K 166960K 89 0 temp 77 8644K 8900K 166960K 91814 0 kqueue 13 20K 30K 166960K 419 0 SYN cache 2 10K 18K 166960K 3 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 120 175 0 172 1 0 1 1 0 8 0 rtentry 112 213 0 164 4 0 4 4 0 8 0 unpcb 144 1786 0 1766 13 12 1 6 0 8 0 syncache 336 15 0 15 5 4 1 1 0 8 1 tcpqe 32 4 0 4 3 3 0 1 0 8 0 tcpcb 808 954 0 945 29 28 1 8 0 8 0 arp 120 33 0 25 1 0 1 1 0 8 0 inpcb 376 3013 0 3000 32 23 9 12 0 8 7 nd6 136 43 0 33 1 0 1 1 0 8 0 pkpcb 40 5 0 5 3 3 0 1 0 8 0 kcovpl 48 13 0 5 1 0 1 1 0 8 0 ppxss 1168 39 0 39 3 3 0 1 0 8 0 pppxif 1472 9 0 9 3 3 0 1 0 8 0 pffrag 232 9 0 6 1 0 1 1 0 482 0 pffrnode 88 9 0 6 1 0 1 1 0 8 0 pffrent 40 18 0 15 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 pfrktable 1344 4 0 1 1 0 1 1 0 8 0 pfanchor 1288 3 0 0 1 0 1 1 0 8 0 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 150 0 77 1 0 1 1 0 8 0 pfstkey 128 156 0 82 4 0 4 4 0 8 0 pfstate 376 152 0 80 10 0 10 10 0 8 0 pfrule 1344 32 0 22 2 1 1 2 0 8 0 art_heap8 4096 5 0 0 5 0 5 5 0 8 0 art_heap4 256 985 0 741 31 11 20 29 0 8 0 art_table 32 990 0 741 4 0 4 4 0 8 0 art_node 16 208 0 165 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 8 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 137 0 127 1 0 1 1 0 8 0 shmpl 112 92 0 18 3 0 3 3 0 8 0 dirhash 1024 45 0 28 3 0 3 3 0 8 0 dino2pl 256 5861 0 4348 97 1 96 96 0 8 0 ffsino 280 5861 0 4348 109 0 109 109 0 8 0 nchpl 144 9308 0 7603 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 33548 0 33548 4 3 1 2 0 8 1 percpumem 16 106 0 61 1 0 1 1 0 8 0 pfiaddrpl 120 1 0 0 1 0 1 1 0 8 0 kstatmem 264 120 0 98 5 3 2 3 0 8 0 scsiplug 72 11 0 11 5 5 0 1 0 8 0 scxspl 216 27339 0 27339 12 11 1 8 1 8 1 plimitpl 152 578 0 559 1 0 1 1 0 8 0 sigapl 424 2739 0 2687 10 4 6 8 0 8 0 futexpl 64 34893 0 34886 2 1 1 1 0 8 0 knotepl 120 609 0 0 18 0 18 18 0 8 0 kqueuepl 216 804 0 794 7 6 1 5 0 8 0 pipepl 328 371 0 343 6 3 3 5 0 8 0 fdescpl 504 2697 0 2666 5 0 5 5 0 8 0 filepl 152 18738 0 18505 25 13 12 18 0 8 1 lockfpl 104 1172 0 1169 3 2 1 2 0 8 0 lockfspl 48 381 0 378 1 0 1 1 0 8 0 sessionpl 144 40 0 31 1 0 1 1 0 8 0 pgrppl 48 66 0 49 1 0 1 1 0 8 0 ucredpl 104 3497 0 3482 1 0 1 1 0 8 0 zombiepl 144 2811 0 2810 1 0 1 1 0 8 0 processpl 1168 2739 0 2687 6 2 4 6 0 8 0 procpl 656 6564 0 6498 9 3 6 8 0 8 0 srpgc 96 17 0 17 3 3 0 1 0 8 0 sosppl 168 8 0 8 2 2 0 1 0 8 0 sockpl 688 5044 0 5008 33 23 10 15 0 8 6 mcl64k 65536 8 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl9k 9216 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 9 0 0 2 0 2 2 0 8 0 mcl4k 4096 129 0 0 17 0 17 17 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 23 0 0 3 0 3 3 0 8 0 mtagpl 96 130 0 0 4 0 4 4 0 8 0 mbufpl 256 1267 0 0 78 0 78 78 0 8 0 bufpl 280 8369 0 2215 440 0 440 440 0 8 0 anonpl 24 350232 0 344562 86 27 59 61 0 184 0 amapchunkpl 152 80446 0 79826 52 25 27 37 0 158 2 amappl16 200 7371 0 7278 56 38 18 19 0 8 6 amappl15 192 10 0 10 1 1 0 1 0 8 0 amappl14 184 146 0 134 1 0 1 1 0 8 0 amappl13 176 3 0 3 1 1 0 1 0 8 0 amappl12 168 3441 0 3409 4 1 3 3 0 8 0 amappl11 160 52 0 38 1 0 1 1 0 8 0 amappl10 152 9 0 8 1 0 1 1 0 8 0 amappl9 144 249 0 249 2 2 0 1 0 8 0 amappl8 136 35 0 32 1 0 1 1 0 8 0 amappl7 128 131 0 119 1 0 1 1 0 8 0 amappl6 120 263 0 259 1 0 1 1 0 8 0 amappl5 112 149 0 138 1 0 1 1 0 8 0 amappl4 104 378 0 356 1 0 1 1 0 8 0 amappl3 96 16528 0 16402 4 0 4 4 0 8 0 amappl2 88 856 0 792 2 0 2 2 0 8 0 amappl1 80 17969 0 17382 14 0 14 14 0 8 0 amappl 88 23758 0 23565 5 0 5 5 0 92 0 dma32768 32768 2 0 2 2 2 0 1 0 8 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 7 0 7 2 2 0 1 0 8 0 dma128 128 256 0 256 3 3 0 1 0 8 0 dma64 64 7 0 7 2 2 0 1 0 8 0 dma32 32 8 0 8 2 2 0 1 0 8 0 dma16 16 20 0 19 1 0 1 1 0 8 0 aobjpl 72 94 0 18 2 0 2 2 0 8 0 uaddrrnd 24 2697 0 2665 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2697 0 2665 1 0 1 1 0 8 0 vmmpekpl 168 21717 0 21658 3 0 3 3 0 8 0 vmmpepl 168 170189 0 168160 132 33 99 102 0 357 3 vmsppl 456 2696 0 2665 5 0 5 5 0 8 0 rwobjpl 64 50727 0 43685 120 2 118 118 0 8 0 pdppl 4096 5402 0 5330 124 50 74 86 0 8 2 pvpl 32 19941 0 0 163 2 161 161 0 265 0 pmappl 248 2696 0 2665 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 420 0 107 10 0 10 10 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8380dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xd9 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff8394c278) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8394c278) at __mp_lock+0x192 sys/kern/kern_lock.c:144 intr_handler(ffff80002a34e290,ffff800000069c00) at intr_handler+0xe1 sys/arch/amd64/amd64/intr.c:553 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 kd_curproc sys/dev/kcov.c:585 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x33 sys/dev/kcov.c:153 __mp_lock(ffffffff8394c278) at __mp_lock+0x1a3 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff8394c278) at __mp_lock+0x1a3 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x76495c7a8d70, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:437 witness_checkorder(ffff800010fd9030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff800010fd9018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800010fd9000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80003c582b50) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a428a80,0,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a428a80,ffff80002a45ed30,ffff80002a45ec80) at sys_exit+0x1a syscall(ffff80002a45ed30) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a45ed30) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7c5d178989f0, count: -9