Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts. executing program witness: lock order reversal: 1st 0xffffffff828fc2c0 pf_lock (pf_lock) 2nd 0xffffffff82952300 netlock (netlock) lock order "netlock"(rwlock) -> "pf_lock"(rwlock) first seen at: #0 rw_enter_write+0x5b #1 pfioctl+0x3fbc #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 copyin+0x53 #9 VOP_IOCTL+0x96 #10 vn_ioctl+0xbc #11 sys_ioctl+0x4a2 #12 syscall+0x489 #13 Xsyscall+0x128 Stopped at db_enter+0x18: 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+0x18 witness_checkorder(ffffffff82952300,9,0) at witness_checkorder+0x10b7 rw_enter_write(ffffffff829522f0) at rw_enter_write+0x5b uvn_io(fffffd806d6e23d0,ffff8000211cdae8,1,202,0) at uvn_io+0x418 uvn_get(fffffd806d6e23d0,0,ffff8000211cdba8,ffff8000211cdb78,0,1,967aab93fa481079,0) at uvn_get+0x1df uvm_fault_lower(ffff8000211cdd10,ffff8000211cdd48,ffff8000211cdc90,0) at uvm_fault_lower+0x36c uvm_fault(fffffd806ee9bcf8,20001000,0,1) at uvm_fault+0x248 kpageflttrap(ffff8000211cdea0,20001000) at kpageflttrap+0x209 kerntrap(ffff8000211cdea0) at kerntrap+0xef alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x53 VOP_IOCTL(fffffd806f68dc68,c0104453,ffff8000211ce290,2,fffffd807f7d8660,ffff800021143268) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5ebdb8,c0104453,ffff8000211ce290,ffff800021143268) at vn_ioctl+0xbc sys_ioctl(ffff800021143268,ffff8000211ce3a8,ffff8000211ce400) at sys_ioctl+0x4a2 syscall(ffff8000211ce470) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc54e0, count: -16 ddb{0}> show registers rdi 0x3 rsi 0xffffffff82900ce0 __sancov_gen_cov_switch_values.134 rbp 0xffff8000211cd8b0 rbx 0x3 rdx 0x3fd rcx 0 rax 0x1 r8 0xffff8000211cd820 r9 0x8080808080808080 r10 0xa17ceec1c30d82e7 r11 0x5e462530aaa0c827 r12 0xffffffff82aa07e0 w_lodata+0x528b0 r13 0 r14 0xffffffff82a9ca00 w_lodata+0x4ead0 r15 0xfffffd8002f6a780 rip 0xffffffff81d38498 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff8000211cd8a0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor3576298726) pid=113883 stat=onproc flags process=2 proc=0 pri=17, usrpri=56, nice=20 forw=0xffffffffffffffff, list=0xffff800021142008,0xffffffff82a01350 process=0xffff8000211a1900 user=0xffff8000211c9000, vmspace=0xfffffd806ee9bcf8 estcpu=6, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND *53731 113883 26800 0 7 0x2 syz-executor3576298726 26800 477428 2271 0 3 0x10008a sigsusp ksh 2271 431499 17313 0 3 0x9a kqread sshd 91497 516967 1 0 3 0x100083 ttyin getty 17313 258976 1 0 3 0x88 kqread sshd 14297 228898 5248 74 3 0x1100092 bpf pflogd 5248 59361 1 0 3 0x80 netio pflogd 54122 283421 29003 73 3 0x1100090 kqread syslogd 29003 43524 1 0 3 0x100082 netio syslogd 86658 244989 1 0 3 0x100080 kqread resolvd 81675 125718 45098 77 3 0x100092 kqread dhcpleased 96606 154059 45098 77 3 0x100092 kqread dhcpleased 45098 97401 1 0 3 0x80 kqread dhcpleased 78185 52793 0 0 3 0x14200 bored smr 11271 61952 0 0 3 0x14200 pgzero zerothread 85211 414023 0 0 3 0x14200 aiodoned aiodoned 4500 230863 0 0 3 0x14200 syncer update 35606 452893 0 0 3 0x14200 cleaner cleaner 15856 335078 0 0 3 0x14200 reaper reaper 87349 444540 0 0 3 0x14200 pgdaemon pagedaemon 46865 23601 0 0 3 0x14200 bored viomb 60063 366820 0 0 3 0x40014200 acpi0 acpi0 68680 377295 0 0 7 0x40014200 idle1 41648 97981 0 0 3 0x14200 bored softnet 3908 47991 0 0 3 0x14200 bored systqmp 98358 94506 0 0 3 0x14200 bored systq 60946 124142 0 0 3 0x40014200 bored softclock 55466 416362 0 0 3 0x40014200 idle0 1 311488 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 53731 (syz-executor3576298726) thread 0xffff800021143268 (113883) exclusive rwlock pf_lock r = 0 (0xffffffff828fc2c0) #0 witness_lock+0x44d #1 pfioctl+0x4397 #2 VOP_IOCTL+0x96 #3 vn_ioctl+0xbc #4 sys_ioctl+0x4a2 #5 syscall+0x489 #6 Xsyscall+0x128 exclusive rwlock pfioctl_rw r = 0 (0xffffffff828fc320) #0 witness_lock+0x44d #1 pfioctl+0x15e #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 (0xffffffff82aeb288) #0 witness_lock+0x44d #1 vn_ioctl+0x41 #2 sys_ioctl+0x4a2 #3 syscall+0x489 #4 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10149 6454K 6455K 78643K 11239 0 pcb 13 8K 8K 78643K 13 0 rtable 62 2K 2K 78643K 112 0 ifaddr 29 8K 8K 78643K 32 0 counters 40 33K 33K 78643K 40 0 ioctlops 0 0K 4K 78643K 1479 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 1 0K 0K 78643K 1 0 proc 67 87K 87K 78643K 282 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 11 0K 0K 78643K 11 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 432 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 58 3K 5K 78643K 1550 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 4 0K 0K 78643K 4 0 temp 25 4709K 4769K 78643K 2508 0 kqueue 11 16K 18K 78643K 24 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 17 0 14 1 0 1 1 0 8 0 rtentry 112 23 0 1 1 0 1 1 0 8 0 unpcb 136 35 0 20 1 0 1 1 0 8 0 syncache 296 5 0 5 1 0 1 1 0 8 1 tcpcb 736 8 0 5 1 0 1 1 0 8 0 arp 120 2 0 0 1 0 1 1 0 8 0 inpcb 312 32 0 26 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 9 0 0 1 0 1 1 0 8 0 pfstkey 112 9 0 0 1 0 1 1 0 8 0 pfstate 320 9 0 0 1 0 1 1 0 8 0 pfrule 1360 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 97 0 0 7 0 7 7 0 8 0 art_table 32 98 0 0 1 0 1 1 0 8 0 art_node 16 22 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1426 0 39 87 0 87 87 0 8 0 ffsino 272 1426 0 39 93 0 93 93 0 8 0 nchpl 144 1614 0 49 58 0 58 58 0 8 0 uvmvnodes 80 1436 0 0 30 0 30 30 0 8 0 vnodes 224 1436 0 0 85 0 85 85 0 8 0 namei 1024 4474 0 4474 1 0 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 216 3787 0 3787 2 1 1 2 0 8 1 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 320 0 291 4 0 4 4 0 8 0 knotepl 120 43 0 0 2 0 2 2 0 8 0 kqueuepl 216 20 0 13 1 0 1 1 0 8 0 pipepl 336 86 0 83 1 0 1 1 0 8 0 fdescpl 496 306 0 291 3 0 3 3 0 8 0 filepl 152 1184 0 1124 3 0 3 3 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 18 0 9 1 0 1 1 0 8 0 pgrppl 48 18 0 9 1 0 1 1 0 8 0 ucredpl 96 69 0 57 1 0 1 1 0 8 0 zombiepl 144 291 0 291 1 0 1 1 0 8 1 processpl 1064 320 0 291 3 0 3 3 0 8 0 procpl 672 320 0 291 3 0 3 3 0 8 0 sockpl 480 84 0 60 4 0 4 4 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 57 0 0 8 0 8 8 0 8 0 mtagpl 96 3 0 0 1 0 1 1 0 8 0 mbufpl 256 105 0 0 7 0 7 7 0 8 0 bufpl 288 2011 0 92 138 0 138 138 0 8 0 anonpl 24 38815 0 36828 15 1 14 15 0 186 2 amapchunkpl 152 2829 0 2734 6 2 4 6 0 158 0 amappl16 200 98 0 93 1 0 1 1 0 8 0 amappl13 176 34 0 33 1 0 1 1 0 8 0 amappl12 168 3 0 3 1 0 1 1 0 8 1 amappl11 160 66 0 49 1 0 1 1 0 8 0 amappl10 152 3 0 1 1 0 1 1 0 8 0 amappl9 144 485 0 483 1 0 1 1 0 8 0 amappl8 136 364 0 363 1 0 1 1 0 8 0 amappl7 128 52 0 49 1 0 1 1 0 8 0 amappl6 120 105 0 95 1 0 1 1 0 8 0 amappl5 112 92 0 79 1 0 1 1 0 8 0 amappl4 104 627 0 606 1 0 1 1 0 8 0 amappl3 96 406 0 383 1 0 1 1 0 8 0 amappl2 88 454 0 416 1 0 1 1 0 8 0 amappl1 80 9522 0 9115 10 0 10 10 0 8 1 amappl 88 1268 0 1229 2 1 1 2 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 24 306 0 291 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 306 0 291 1 0 1 1 0 8 0 vmmpekpl 168 6254 0 6238 1 0 1 1 0 8 0 vmmpepl 168 27076 0 26218 43 1 42 42 0 357 3 vmsppl 368 305 0 291 2 0 2 2 0 8 0 rwobjpl 56 9788 0 7781 30 0 30 30 0 8 0 pdppl 4096 619 0 582 45 8 37 43 0 8 0 pvpl 32 131152 0 127209 35 0 35 35 0 265 0 pmappl 248 305 0 291 2 0 2 2 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 402 0 11 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x18 witness_checkorder(ffffffff82952300,9,0) at witness_checkorder+0x10b7 rw_enter_write(ffffffff829522f0) at rw_enter_write+0x5b uvn_io(fffffd806d6e23d0,ffff8000211cdae8,1,202,0) at uvn_io+0x418 uvn_get(fffffd806d6e23d0,0,ffff8000211cdba8,ffff8000211cdb78,0,1,967aab93fa481079,0) at uvn_get+0x1df uvm_fault_lower(ffff8000211cdd10,ffff8000211cdd48,ffff8000211cdc90,0) at uvm_fault_lower+0x36c uvm_fault(fffffd806ee9bcf8,20001000,0,1) at uvm_fault+0x248 kpageflttrap(ffff8000211cdea0,20001000) at kpageflttrap+0x209 kerntrap(ffff8000211cdea0) at kerntrap+0xef alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b copyin() at copyin+0x53 VOP_IOCTL(fffffd806f68dc68,c0104453,ffff8000211ce290,2,fffffd807f7d8660,ffff800021143268) at VOP_IOCTL+0x96 vn_ioctl(fffffd806e5ebdb8,c0104453,ffff8000211ce290,ffff800021143268) at vn_ioctl+0xbc sys_ioctl(ffff800021143268,ffff8000211ce3a8,ffff8000211ce400) at sys_ioctl+0x4a2 syscall(ffff8000211ce470) at syscall+0x489 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffc54e0, count: -16 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020ce8ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xb7 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x312 sched_idle(ffff800020ce8ff0) at sched_idle+0x417 end trace frame: 0x0, count: -5 ddb{1}>