V:J%R ?-4*@GLntzr70|`$ܕ~r|겿8-)voڱ,r˘vx +Fv7F'witness: lock_object uninitialized: 0xffff800001493030 Starting stack trace... witness_checkorder(ffff800001493030,9,0) at witness_checkorder+0x1af witness_debugger sys/kern/subr_witness.c:2522 [inline] witness_checkorder(ffff800001493030,9,0) at witness_checkorder+0x1af sys/kern/subr_witness.c:779 rw_do_enter_write(ffff800001493018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800001493000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80002f09c258) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a371210,b,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a371210,ffff800038cbc2e0,ffff800038cbc230) at sys_exit+0x1a syscall(ffff800038cbc2e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038cbc2e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77300038db00, 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(ffff800001493030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff800001493018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800001493000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80002f09c258) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a371210,b,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a371210,ffff800038cbc2e0,ffff800038cbc230) at sys_exit+0x1a syscall(ffff800038cbc2e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038cbc2e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77300038db00, count: -9 ddb{1}> show registers rdi 0 rsi 0 rbp 0xffff800038cbbf70 rbx 0 rdx 0 rcx 0xffff80002a371210 rax 0xffff800029a9bff0 r8 0xffff800038cbbf10 r9 0x8080808080808080 r10 0x637df080101b4918 r11 0xd53701431941040b r12 0 r13 0x1 r14 0xffff800001493030 r15 0x3 rip 0xffffffff82edcdb5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff800038cbbf60 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=439212 pid=63477 tcnt=0 stat=onproc flags process=1008 proc=2000 runpri=50, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0xffff80002a371210 scnt=-1 ecnt=1 forw=0xffffffffffffffff, list=0xffff80002a3719c0,0xffff80002a370f90 process=0xffff80002f09c258 user=0xffff800038cb7000, vmspace=0xfffffd806e02d1d8 estcpu=36, cpticks=9, pctcpu=0.0, user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 94516 188060 22267 0 7 0 syz-executor 14139 509484 34253 0 3 0 futex syz-executor 14139 60751 34253 0 3 0x4000080 fsleep syz-executor 14139 90199 34253 0 3 0x4000080 fsleep syz-executor 10674 464714 24933 0 2 0 syz-executor 10674 344221 24933 0 2 0x4000000 syz-executor 12110 365131 26629 0 3 0x10 futex syz-executor 12110 503311 26629 0 2 0x4000010 syz-executor 12110 362532 26629 0 3 0x4000090 fsleep syz-executor 65997 316105 1 0 3 0x80 nanoslp init 67363 277312 0 0 3 0x14200 bored sosplice 28195 366289 7079 0 2 0x2 syz-executor 28073 480036 7079 0 3 0x82 nanoslp syz-executor 22267 238152 7079 0 3 0x82 nanoslp syz-executor 24933 320644 7079 0 3 0x82 nanoslp syz-executor 26629 242611 7079 0 3 0x82 nanoslp syz-executor 20574 242068 7079 0 2 0x2 syz-executor 38557 402935 7079 0 2 0x3 syz-executor 34253 1412 7079 0 3 0x82 nanoslp syz-executor 7079 109996 46523 0 3 0x82 kqread syz-executor 46523 92195 2473 0 3 0x10008a sigsusp ksh 2473 26133 23700 0 3 0x98 kqread sshd-session 23700 100879 87090 0 3 0x92 kqread sshd-session 87090 104378 1 0 3 0x88 kqread sshd 26608 453201 10326 74 3 0x1100092 bpf pflogd 10326 183572 1 0 3 0x80 sbwait pflogd 1724 331487 85683 73 3 0x1100090 kqread syslogd 85683 413625 1 0 3 0x100082 sbwait syslogd 2462 214166 1 0 3 0x100080 kqread resolvd 26430 163981 305 77 3 0x100092 kqread dhcpleased 85822 227478 305 77 3 0x100092 kqread dhcpleased 305 92634 1 0 3 0x80 kqread dhcpleased 35088 478900 0 0 3 0x14200 bored smr 1317 217674 0 0 2 0x14200 zerothread 92461 27175 0 0 3 0x14200 aiodoned aiodoned 56679 323807 0 0 3 0x14200 syncer update 33789 452909 0 0 3 0x14200 cleaner cleaner 13061 415625 0 0 3 0x14200 reaper reaper 1076 362211 0 0 3 0x14200 pgdaemon pagedaemon 63905 66229 0 0 3 0x14200 bored viomb 86809 14256 0 0 3 0x40014200 acpi0 acpi0 96309 371925 0 0 3 0x40014200 idle1 12232 317544 0 0 3 0x14200 bored softnet3 18539 117531 0 0 3 0x14200 bored softnet2 24290 103336 0 0 3 0x14200 bored softnet1 67368 147116 0 0 2 0x14200 softnet0 82313 91120 0 0 3 0x14200 bored systqmp 74510 87101 0 0 3 0x14200 bored systq 22332 34076 0 0 3 0x14200 tmoslp softclockmp 16099 362504 0 0 3 0x40014200 tmoslp softclock 35473 462654 0 0 3 0x40014200 idle0 1 78867 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 12110 (syz-executor) thread 0xffff80002a370020 (503311) exclusive rwlock futex r = 0 (0xffffffff83879408) #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 28195 (syz-executor) thread 0xffff8000ffffcf68 (366289) exclusive rrwlock inode r = 0 (0xfffffd806dd58988) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 ufs_ihashins+0x4f sys/ufs/ufs/ufs_ihash.c:159 #5 ffs_vget+0x187 sys/ufs/ffs/ffs_vfsops.c:1230 #6 ffs_inode_alloc+0x283 sys/ufs/ffs/ffs_alloc.c:393 #7 ufs_mkdir+0x113 sys/ufs/ufs/ufs_vnops.c:1112 #8 VOP_MKDIR+0x102 sys/kern/vfs_vops.c:394 #9 domkdirat+0x179 sys/kern/vfs_syscalls.c:3102 #10 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #10 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806fc2ebc8) #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 rrw_enter+0xc6 sys/kern/kern_rwlock.c:616 #3 VOP_LOCK+0xa6 sys/kern/vfs_vops.c:524 #4 vn_lock+0xa4 sys/kern/vfs_vnops.c:570 #5 vfs_lookup+0x109 sys/kern/vfs_lookup.c:418 #6 namei+0x7aa sys/kern/vfs_lookup.c:250 #7 domkdirat+0x8b sys/kern/vfs_syscalls.c:3087 #8 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #8 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #9 Xsyscall+0x128 Process 20574 (syz-executor) thread 0xffff80002a372ce8 (242068) exclusive rwlock vmmaplk r = 0 (0xfffffd806bea04a8) #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 uvmspace_fork+0x12b sys/uvm/uvm_map.c:3820 #4 process_new+0x553 sys/kern/kern_fork.c:279 #5 fork1+0x3ea sys/kern/kern_fork.c:405 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 exclusive rwlock vmmaplk r = 0 (0xfffffd80748209f0) #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 uvmspace_fork+0x44 sys/uvm/uvm_map.c:3811 #4 process_new+0x553 sys/kern/kern_fork.c:279 #5 fork1+0x3ea sys/kern/kern_fork.c:405 #6 syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 #7 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10201 11102K 11417K 166960K 11554 0 pcb 17 13K 14K 166960K 110 0 rtable 194 5K 6K 166960K 367 0 pf 32 17K 18K 166960K 48 0 ifaddr 38 6K 7K 166960K 46 0 ifgroup 51 2K 2K 166960K 57 0 sysctl 4 1K 1K 166960K 4 0 counters 62 36K 36K 166960K 66 0 ioctlops 0 0K 4K 166960K 1505 0 iov 0 0K 16K 166960K 141 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1337 84K 85K 166960K 1549 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 7 0 VM map 2 1K 1K 166960K 2 0 sem 6 0K 0K 166960K 9 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 16 57K 89K 166960K 399 0 sigio 0 0K 0K 166960K 8 0 proc 65 103K 128K 166960K 570 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 168 0 in_multi 85 6K 7K 166960K 107 0 ether_multi 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 387 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 214 72K 88K 166960K 5300 0 UVM aobj 14 2K 2K 166960K 14 0 pinsyscall 41 82K 101K 166960K 1490 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 15 0 NDP 11 0K 2K 166960K 29 0 temp 43 8635K 8700K 166960K 11032 0 kqueue 13 20K 26K 166960K 57 0 SYN cache 2 16K 16K 166960K 2 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 51 0 48 1 0 1 1 0 8 0 rtentry 112 116 0 26 4 0 4 4 0 8 0 unpcb 144 203 0 185 4 3 1 4 0 8 0 syncache 336 4 0 4 1 1 0 1 0 8 0 tcpcb 808 65 0 61 1 0 1 1 0 8 0 arp 120 20 0 3 1 0 1 1 0 8 0 inpcb 376 304 0 296 5 2 3 5 0 8 1 nd6 136 25 0 3 1 0 1 1 0 8 0 pkpcb 40 2 0 2 2 1 1 1 0 8 1 kcovpl 48 8 0 0 1 0 1 1 0 8 0 ppxss 1168 1 0 1 1 1 0 1 0 8 0 pffrent 40 1 0 1 1 1 0 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 pftag 88 2 0 0 1 0 1 1 0 8 0 pfstitem 24 36 0 1 1 0 1 1 0 8 0 pfstkey 128 36 0 1 2 0 2 2 0 8 0 pfstate 376 36 0 1 4 0 4 4 0 8 0 pfrule 1344 22 0 17 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 464 0 87 29 2 27 29 0 8 0 art_table 32 465 0 87 4 0 4 4 0 8 0 art_node 16 115 0 34 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 3 1 0 1 1 0 8 0 semapl 112 7 0 3 1 0 1 1 0 8 0 shmpl 112 11 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2050 0 548 95 0 95 95 0 8 0 ffsino 280 2050 0 548 109 0 109 109 0 8 0 nchpl 144 2625 0 939 63 0 63 63 0 8 0 uvmvnodes 80 2240 0 0 46 0 46 46 0 8 0 vnodes 216 2240 0 0 125 0 125 125 0 8 0 namei 1024 8763 0 8762 3 2 1 2 0 8 0 percpumem 16 47 0 2 1 0 1 1 0 8 0 kstatmem 264 26 0 4 2 0 2 2 0 8 0 scxspl 216 8185 0 8185 3 2 1 2 1 8 1 plimitpl 152 126 0 109 1 0 1 1 0 8 0 sigapl 424 703 0 653 7 1 6 7 0 8 0 futexpl 64 4187 0 4183 1 0 1 1 0 8 0 knotepl 120 316 0 0 10 0 10 10 0 8 0 kqueuepl 216 125 0 116 3 2 1 3 0 8 0 pipepl 328 198 0 171 8 0 8 8 0 8 5 fdescpl 504 683 0 653 5 0 5 5 0 8 0 filepl 152 3446 0 3226 16 2 14 14 0 8 4 lockfpl 104 117 0 115 1 0 1 1 0 8 0 lockfspl 48 51 0 49 1 0 1 1 0 8 0 sessionpl 144 24 0 16 1 0 1 1 0 8 0 pgrppl 48 41 0 25 1 0 1 1 0 8 0 ucredpl 104 388 0 374 1 0 1 1 0 8 0 zombiepl 144 711 0 709 2 1 1 1 0 8 0 processpl 1168 703 0 653 5 1 4 5 0 8 0 procpl 656 1180 0 1125 6 0 6 6 0 8 0 srpgc 96 2 0 2 1 1 0 1 0 8 0 sosppl 168 2 0 2 1 1 0 1 0 8 0 sockpl 688 567 0 539 10 4 6 10 0 8 2 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 130 0 0 17 0 17 17 0 8 0 mcl2k 2048 19 0 0 3 0 3 3 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 161 0 0 11 0 11 11 0 8 0 bufpl 280 2773 0 131 189 0 189 189 0 8 0 anonpl 24 114970 0 111760 48 2 46 46 0 184 20 amapchunkpl 152 16451 0 15990 29 5 24 28 0 158 4 amappl16 200 1984 0 1956 13 2 11 11 0 8 7 amappl15 192 77 0 77 1 1 0 1 0 8 0 amappl14 184 116 0 105 1 0 1 1 0 8 0 amappl13 176 12 0 12 1 1 0 1 0 8 0 amappl12 168 1323 0 1294 3 1 2 2 0 8 0 amappl11 160 57 0 42 1 0 1 1 0 8 0 amappl10 152 10 0 10 2 2 0 1 0 8 0 amappl9 144 253 0 253 1 1 0 1 0 8 0 amappl8 136 23 0 21 1 0 1 1 0 8 0 amappl7 128 107 0 96 1 0 1 1 0 8 0 amappl6 120 173 0 170 1 0 1 1 0 8 0 amappl5 112 123 0 112 1 0 1 1 0 8 0 amappl4 104 315 0 297 1 0 1 1 0 8 0 amappl3 96 3039 0 2932 5 1 4 4 0 8 0 amappl2 88 650 0 590 2 0 2 2 0 8 0 amappl1 80 8764 0 8217 13 0 13 13 0 8 0 amappl 88 4893 0 4732 5 0 5 5 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 13 0 0 1 0 1 1 0 8 0 uaddrrnd 24 683 0 652 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 683 0 652 1 0 1 1 0 8 0 vmmpekpl 168 7596 0 7564 3 0 3 3 0 8 0 vmmpepl 168 47336 0 45531 92 2 90 91 0 357 7 vmsppl 456 682 0 652 5 1 4 5 0 8 0 rwobjpl 64 17797 0 14660 53 1 52 52 0 8 1 pdppl 4096 1374 0 1304 96 24 72 84 0 8 2 pvpl 32 15104 0 0 122 0 122 122 0 265 0 pmappl 248 682 0 652 3 0 3 3 0 8 0 extentpl 40 55 0 38 1 0 1 1 0 8 0 phpool 112 275 0 33 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff83791ff0) 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(ffffffff838e3cd8) at __mp_lock+0x199 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838e3cd8) at __mp_lock+0x199 sys/kern/kern_lock.c:144 softintr_dispatch(0) at softintr_dispatch+0x5b sys/arch/amd64/amd64/softintr.c:88 Xsoftclock() at Xsoftclock+0x27 __mp_lock(ffffffff838e3cd8) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:113 [inline] __mp_lock(ffffffff838e3cd8) at __mp_lock+0x192 sys/kern/kern_lock.c:144 syscall(ffff80003a4c8e30) at syscall+0xae6 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a4c8e30) at syscall+0xae6 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x78bb67037860, count: -9 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(ffff800001493030,9,0) at witness_checkorder+0x1b4 rw_do_enter_write(ffff800001493018,0) at rw_do_enter_write+0xb7 sys/kern/kern_rwlock.c:233 unveil_delete_names(ffff800001493000) at unveil_delete_names+0x3d sys/kern/kern_unveil.c:102 unveil_destroy(ffff80002f09c258) at unveil_destroy+0xbd sys/kern/kern_unveil.c:183 exit1(ffff80002a371210,b,0,1) at exit1+0x60f sys/kern/kern_exit.c:233 sys_exit(ffff80002a371210,ffff800038cbc2e0,ffff800038cbc230) at sys_exit+0x1a syscall(ffff800038cbc2e0) at syscall+0xb08 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff800038cbc2e0) at syscall+0xb08 sys/arch/amd64/amd64/trap.c:577 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x77300038db00, count: -9