Warning: Permanently added '10.128.0.125' (ED25519) to the list of known hosts. 2022/04/27 09:58:12 parsed 1 programs 2022/04/27 09:58:17 executed programs: 0 witness: lock order reversal: 1st 0xffffffff829bb660 pf_lock (pf_lock) 2nd 0xffffffff829701b0 netlock (netlock) lock order "netlock"(rwlock) -> "pf_lock"(rwlock) first seen at: #0 rw_enter_write+0x5b #1 pfioctl+0x417c #2 VOP_IOCTL+0x96 #3 vn_ioctl+0xbc #4 sys_ioctl+0x4a2 #5 syscall+0x489 #6 Xsyscall+0x128 lock order "pf_lock"(rwlock) -> "netlock"(rwlock) first seen at: #0 rw_enter_write+0x5b #1 uvn_io+0x418 #2 uvn_get+0x1df #3 uvm_fault_lower+0x36c #4 uvm_fault+0x248 #5 kpageflttrap+0x209 #6 kerntrap+0xef #7 alltraps_kern_meltdown+0x7b #8 copyout+0x53 #9 pfioctl+0x4516 #10 VOP_IOCTL+0x96 #11 vn_ioctl+0xbc #12 sys_ioctl+0x4a2 #13 syscall+0x489 #14 Xsyscall+0x128 Stopped at db_enter+0x18: 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+0x18 witness_checkorder(ffffffff829701b0,9,0) at witness_checkorder+0x10b7 rw_enter_write(ffffffff829701a0) at rw_enter_write+0x5b uvn_io(fffffd806af624c8,ffff80002131fe48,1,202,0) at uvn_io+0x418 uvn_get(fffffd806af624c8,0,ffff80002131ff08,ffff80002131fed8,0,0,89e8bdce00b5ac4e,1) at uvn_get+0x1df uvm_fault_lower(ffff800021320070,ffff8000213200a8,ffff80002131fff0,0) at uvm_fault_lower+0x36c uvm_fault(fffffd8074b32018,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff800021320200,20001000) at kpageflttrap+0x209 kerntrap(ffff800021320200) at kerntrap+0xef alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x53 pfioctl(4900,c0284457,ffff800021320670,1,ffff8000ffff22a8) at pfioctl+0x4516 VOP_IOCTL(fffffd806f683c68,c0284457,ffff800021320670,1,fffffd807f7d7480,ffff8000ffff22a8) at VOP_IOCTL+0x96 vn_ioctl(fffffd806c4a1000,c0284457,ffff800021320670,ffff8000ffff22a8) at vn_ioctl+0xbc sys_ioctl(ffff8000ffff22a8,ffff800021320788,ffff8000213207e0) at sys_ioctl+0x4a2 syscall(ffff800021320850) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe3400, count: -17 ddb{1}> show registers rdi 0x3 rsi 0xffffffff8297c710 __sancov_gen_cov_switch_values.134 rbp 0xffff80002131fc10 rbx 0x3 rdx 0x3fd rcx 0 rax 0x1 r8 0xffff80002131fb80 r9 0x8080808080808080 r10 0x8e11984e67c39570 r11 0xd9921b6402dd6928 r12 0xffffffff82b11930 w_lodata+0x52800 r13 0 r14 0xffffffff82b0cd90 w_lodata+0x4dc60 r15 0xfffffd8002f76840 rip 0xffffffff81ad9118 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80002131fc00 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor.3) pid=506882 stat=onproc flags process=0 proc=0 pri=17, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3a48,0xffff8000ffff5cf0 process=0xffff8000213310b8 user=0xffff80002131b000, vmspace=0xfffffd8074b32018 estcpu=10, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 10988 428591 87122 0 2 0x100000 sh *99164 506882 76599 0 7 0 syz-executor.3 87122 94815 68244 0 3 0x10008a sigsusp sh 4870 508134 89248 0 2 0x2 arp 13222 173129 89468 0 2 0x2 ifconfig 89468 261498 38118 0 3 0x10008a sigsusp sh 97469 45478 21280 0 2 0x100002 sh 89248 45475 9857 0 3 0x10008a sigsusp sh 68244 264194 5557 0 3 0x82 wait syz-executor.2 5027 168901 99034 0 2 0x100002 sh 38118 22346 5557 0 3 0x82 wait syz-executor.6 9857 362752 5557 0 3 0x82 wait syz-executor.5 70894 498527 35774 0 2 0x100002 sh 99034 201097 5557 0 3 0x82 wait syz-executor.7 91775 89944 5557 0 3 0x2 biowait syz-executor.4 76599 174325 5557 0 3 0x82 nanoslp syz-executor.3 21280 434484 5557 0 3 0x82 wait syz-executor.1 35774 377351 5557 0 3 0x82 wait syz-executor.0 5557 166239 4206 0 7 0x2 syz-execprog 5557 20582 4206 0 2 0x4000002 syz-execprog 5557 411038 4206 0 2 0x4000002 syz-execprog 5557 193191 4206 0 3 0x4000082 thrsleep syz-execprog 5557 181869 4206 0 3 0x4000082 thrsleep syz-execprog 5557 340714 4206 0 3 0x4000082 thrsleep syz-execprog 5557 87208 4206 0 3 0x4000082 thrsleep syz-execprog 5557 38241 4206 0 3 0x4000082 thrsleep syz-execprog 4206 122790 74577 0 3 0x10008a sigsusp ksh 74577 389392 89430 0 3 0x9a kqread sshd 70652 296136 1 0 3 0x100083 ttyin getty 89430 191551 1 0 3 0x88 kqread sshd 19834 323843 73369 74 3 0x1100092 bpf pflogd 73369 427215 1 0 3 0x80 netio pflogd 66589 222646 28871 73 3 0x1100090 kqread syslogd 28871 72279 1 0 3 0x100082 netio syslogd 22255 457332 1 0 3 0x100080 kqread resolvd 76612 217023 50236 77 3 0x100092 kqread dhcpleased 52067 114304 50236 77 3 0x100092 kqread dhcpleased 50236 136837 1 0 3 0x80 kqread dhcpleased 53377 446219 0 0 3 0x14200 bored smr 35429 370890 0 0 2 0x14200 zerothread 42132 269945 0 0 3 0x14200 aiodoned aiodoned 13787 343505 0 0 3 0x14200 syncer update 79448 375662 0 0 3 0x14200 cleaner cleaner 9893 156830 0 0 3 0x14200 reaper reaper 33802 297097 0 0 3 0x14200 pgdaemon pagedaemon 36471 44673 0 0 3 0x14200 bored viomb 37197 295785 0 0 3 0x40014200 acpi0 acpi0 41317 322290 0 0 3 0x40014200 idle1 68551 103352 0 0 3 0x14200 bored softnet 28756 336575 0 0 3 0x14200 bored systqmp 21364 383558 0 0 3 0x14200 bored systq 13251 302653 0 0 3 0x40014200 bored softclock 62040 366555 0 0 3 0x40014200 idle0 1 510483 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 99164 (syz-executor.3) thread 0xffff8000ffff22a8 (506882) exclusive rwlock pf_lock r = 0 (0xffffffff829bb660) #0 witness_lock+0x44d #1 pfioctl+0x4504 #2 VOP_IOCTL+0x96 #3 vn_ioctl+0xbc #4 sys_ioctl+0x4a2 #5 syscall+0x489 #6 Xsyscall+0x128 shared rwlock pfioctl_rw r = 0 (0xffffffff829bb6c0) #0 witness_lock+0x44d #1 pfioctl+0x946 #2 VOP_IOCTL+0x96 #3 vn_ioctl+0xbc #4 sys_ioctl+0x4a2 #5 syscall+0x489 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82b9a8a8) #0 witness_lock+0x44d #1 vn_ioctl+0x41 #2 sys_ioctl+0x4a2 #3 syscall+0x489 #4 Xsyscall+0x128 Process 91775 (syz-executor.4) thread 0xffff8000ffff42a0 (89944) exclusive rrwlock inode r = 0 (0xfffffd806a4e1708) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 ufs_ihashins+0x42 #5 ffs_vget+0x141 #6 ffs_inode_alloc+0x1be #7 ufs_mkdir+0xf4 #8 VOP_MKDIR+0xbf #9 domkdirat+0x121 #10 syscall+0x489 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd807369b0a0) #0 witness_lock+0x44d #1 rw_enter+0x3e1 #2 rrw_enter+0x8b #3 VOP_LOCK+0x87 #4 vn_lock+0x84 #5 vfs_lookup+0xd1 #6 namei+0x36a #7 domkdirat+0x75 #8 syscall+0x489 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10173 6473K 6473K 78643K 11263 0 pcb 13 8K 8K 78643K 13 0 rtable 148 4K 4K 78643K 222 0 ifaddr 75 14K 14K 78643K 79 0 counters 56 35K 35K 78643K 56 0 ioctlops 0 0K 4K 78643K 1482 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 5 0 vnodes 1167 73K 73K 78643K 1180 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 20 73K 89K 78643K 106 0 proc 67 91K 115K 78643K 457 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 48 3K 3K 78643K 48 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 25 122K 122K 78643K 25 0 exec 0 0K 2K 78643K 604 0 tdb 3 0K 0K 78643K 3 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 161 73K 73K 78643K 2114 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 18 1K 1K 78643K 18 0 temp 56 4714K 4777K 78643K 3309 0 kqueue 12 18K 18K 78643K 25 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 22 0 0 1 0 1 1 0 8 0 rtpcb 120 23 0 20 1 0 1 1 0 8 0 rtentry 112 68 0 1 2 0 2 2 0 8 0 unpcb 136 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 2 1 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 13 0 0 1 0 1 1 0 8 0 inpcb 312 57 0 51 1 0 1 1 0 8 0 nd6 48 8 0 0 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 12 0 2 1 0 1 1 0 8 0 pfstkey 112 12 0 2 1 0 1 1 0 8 0 pfstate 336 12 0 2 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 rttmrq 48 4 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 244 0 0 16 0 16 16 0 8 0 art_table 32 245 0 0 2 0 2 2 0 8 0 art_node 16 67 0 5 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1482 0 49 90 0 90 90 0 8 0 ffsino 272 1482 0 49 96 0 96 96 0 8 0 nchpl 144 1745 0 59 63 0 63 63 0 8 0 uvmvnodes 80 1492 0 0 31 0 31 31 0 8 0 vnodes 224 1492 0 0 88 0 88 88 0 8 0 namei 1024 5796 0 5795 3 1 2 2 0 8 1 percpumem 16 40 0 0 1 0 1 1 0 8 0 kstatmem 264 24 0 0 2 0 2 2 0 8 0 scxspl 216 5554 0 5553 10 9 1 8 0 8 0 plimitpl 152 24 0 9 1 0 1 1 0 8 0 sigapl 424 412 0 365 6 0 6 6 0 8 0 knotepl 120 102 0 0 4 0 4 4 0 8 0 kqueuepl 216 21 0 13 1 0 1 1 0 8 0 pipepl 336 134 0 106 4 1 3 3 0 8 0 fdescpl 496 398 0 365 5 0 5 5 0 8 0 filepl 152 1519 0 1383 6 0 6 6 0 8 0 lockfpl 104 6 0 4 1 0 1 1 0 8 0 lockfspl 48 4 0 2 1 0 1 1 0 8 0 sessionpl 144 26 0 9 1 0 1 1 0 8 0 pgrppl 48 26 0 9 1 0 1 1 0 8 0 ucredpl 96 69 0 57 1 0 1 1 0 8 0 zombiepl 144 365 0 365 2 1 1 1 0 8 1 processpl 1064 412 0 365 4 0 4 4 0 8 0 procpl 672 419 0 365 5 0 5 5 0 8 0 sockpl 480 115 0 91 5 1 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 56 0 0 7 0 7 7 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 200 0 0 12 0 12 12 0 8 0 bufpl 288 3599 0 141 247 0 247 247 0 8 0 anonpl 24 50494 0 45922 46 6 40 40 0 186 11 amapchunkpl 152 4311 0 3997 18 3 15 16 0 158 1 amappl16 200 298 0 217 5 0 5 5 0 8 0 amappl15 192 7 0 6 1 0 1 1 0 8 0 amappl14 184 24 0 19 1 0 1 1 0 8 0 amappl13 176 87 0 79 2 1 1 1 0 8 0 amappl12 168 5 0 5 2 1 1 1 0 8 1 amappl11 160 96 0 74 1 0 1 1 0 8 0 amappl10 152 64 0 55 1 0 1 1 0 8 0 amappl9 144 464 0 462 1 0 1 1 0 8 0 amappl8 136 499 0 473 2 1 1 1 0 8 0 amappl7 128 102 0 92 1 0 1 1 0 8 0 amappl6 120 207 0 189 2 0 2 2 0 8 0 amappl5 112 101 0 88 1 0 1 1 0 8 0 amappl4 104 798 0 764 2 0 2 2 0 8 0 amappl3 96 478 0 437 2 0 2 2 0 8 0 amappl2 88 641 0 579 3 0 3 3 0 8 1 amappl1 80 11578 0 10928 22 2 20 20 0 8 5 amappl 88 1718 0 1614 4 1 3 3 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 398 0 365 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 398 0 365 1 0 1 1 0 8 0 vmmpekpl 168 8389 0 8365 2 0 2 2 0 8 0 vmmpepl 168 38064 0 36319 97 5 92 92 0 357 13 vmsppl 368 397 0 365 4 0 4 4 0 8 0 rwobjpl 56 12175 0 9644 41 0 41 41 0 8 4 pdppl 4096 803 0 730 109 28 81 81 0 8 8 pvpl 32 228902 0 220385 249 6 243 243 0 265 171 pmappl 248 397 0 365 3 0 3 3 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 602 0 33 17 0 17 17 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff8298fff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __mp_lock(ffffffff82b9a6a0) at __mp_lock+0x122 intr_handler(ffff8000211ce1d0,ffff800000078500) at intr_handler+0x5e Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __mp_lock(ffffffff82b9a6a0) at __mp_lock+0x122 intr_handler(ffff8000211ce320,ffff80000004bd00) at intr_handler+0x5e Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f __mp_lock(ffffffff82b9a6a0) at __mp_lock+0x122 kqueue_scan(ffff8000211ce510,8,ffff8000211ce610,ffff8000211ce710,ffff8000ffff6fd0,ffff8000211ce76c) at kqueue_scan+0xdb sys_kevent(ffff8000ffff6fd0,ffff8000211ce7d0,ffff8000211ce830) at sys_kevent+0x4a4 syscall(ffff8000211ce8a0) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffcce70, count: -14 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp ddb{1}> trace db_enter() at db_enter+0x18 witness_checkorder(ffffffff829701b0,9,0) at witness_checkorder+0x10b7 rw_enter_write(ffffffff829701a0) at rw_enter_write+0x5b uvn_io(fffffd806af624c8,ffff80002131fe48,1,202,0) at uvn_io+0x418 uvn_get(fffffd806af624c8,0,ffff80002131ff08,ffff80002131fed8,0,0,89e8bdce00b5ac4e,1) at uvn_get+0x1df uvm_fault_lower(ffff800021320070,ffff8000213200a8,ffff80002131fff0,0) at uvm_fault_lower+0x36c uvm_fault(fffffd8074b32018,20001000,0,2) at uvm_fault+0x248 kpageflttrap(ffff800021320200,20001000) at kpageflttrap+0x209 kerntrap(ffff800021320200) at kerntrap+0xef alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyout() at copyout+0x53 pfioctl(4900,c0284457,ffff800021320670,1,ffff8000ffff22a8) at pfioctl+0x4516 VOP_IOCTL(fffffd806f683c68,c0284457,ffff800021320670,1,fffffd807f7d7480,ffff8000ffff22a8) at VOP_IOCTL+0x96 vn_ioctl(fffffd806c4a1000,c0284457,ffff800021320670,ffff8000ffff22a8) at vn_ioctl+0xbc sys_ioctl(ffff8000ffff22a8,ffff800021320788,ffff8000213207e0) at sys_ioctl+0x4a2 syscall(ffff800021320850) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe3400, count: -17 ddb{1}>