witness: lock order reversal: 1st 0xffffffff8390fda8 pf_lock (pf_lock) 2nd 0xffffffff839a3be0 netlock (netlock) lock order [1] pf_lock (pf_lock) -> [2] netlock (netlock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 #2 uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 #3 uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 #4 uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 #5 uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 #6 kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 #7 kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532 #8 alltraps_kern_meltdown+0x7b #9 _copyin+0x5b #10 pfioctl+0x1377 sys/net/pf_ioctl.c:3284 #11 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #12 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #13 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #14 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #14 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #15 Xsyscall+0x128 lock order [2] netlock (netlock) -> [1] pf_lock (pf_lock) #0 rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 #1 pfi_attach_ifgroup+0x2a sys/net/pf_if.c:357 #2 if_addgroup+0x2f8 if_creategroup sys/net/if.c:3059 [inline] #2 if_addgroup+0x2f8 sys/net/if.c:3097 #3 if_attachsetup+0xcf sys/net/if.c:512 #4 if_attach+0x6d sys/net/if.c:604 #5 vio_attach+0x1853 sys/dev/pv/if_vio.c:935 #6 config_attach+0x449 sys/kern/subr_autoconf.c:421 #7 virtio_pci_attach+0x52c sys/dev/pci/virtio_pci.c:675 #8 config_attach+0x449 sys/kern/subr_autoconf.c:421 #9 pci_probe_device+0x8e5 sys/dev/pci/pci.c:574 #10 pci_enumerate_bus+0x368 sys/dev/pci/pci.c:877 #11 config_attach+0x449 sys/kern/subr_autoconf.c:421 #12 acpipci_attach_bus+0x381 sys/arch/amd64/pci/acpipci.c:257 #13 acpipci_attach_busses+0x93 sys/arch/amd64/pci/acpipci.c:265 #14 mainbus_attach+0x304 sys/arch/amd64/amd64/mainbus.c:222 #15 config_attach+0x449 sys/kern/subr_autoconf.c:421 #16 cpu_configure+0x47 sys/arch/amd64/amd64/autoconf.c:124 #17 main+0x4c7 sys/kern/init_main.c:345 Stopped at db_enter+0x25: 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}> show kasan No such command ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff839a3be0,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffffffff839a3bc8,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 uvn_io(fffff6006cf1de70,ffff80003c3f6e48,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 uvn_get(fffff6006cf1de70,0,ffff80003c3f6f18,ffff80003c3f6efc,0,1,ee88a224257e6dc,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 uvm_fault_lower_io(ffff80003c3f7130,ffff80003c3f7168,ffff80003c3f6fb0,ffff80003c3f6f98) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 uvm_fault_lower(ffff80003c3f7130,ffff80003c3f7168,ffff80003c3f70b0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 uvm_fault(fffff6006cf093e8,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003c3f72e0,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 kerntrap(ffff80003c3f72e0) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x5b pfioctl(14900,c4504441,ffff800001617000,1,ffff80003abc02b8) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284 VOP_IOCTL(fffff60071436cc0,c4504441,ffff800001617000,1,fffff600097fd548,ffff80003abc02b8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffff6000e18c908,c4504441,ffff800001617000,ffff80003abc02b8) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003abc02b8,ffff80003c3f7e90,ffff80003c3f7de0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3f7e90) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f7e90) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3d7a7989ad0, count: -18 ddb{0}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80003c3f6c00 rbx 0 rdx 0xffff8000015ffb80 rcx 0xffff80003abc02b8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80003c3f6ae0 r9 0x8080808080808080 r10 0xe8ce098c7d80889f r11 0xcfcbb0d56f33a470 r12 0xfffff600040dd2c0 r13 0xfffff600048cc570 r14 0x3 r15 0xffffffff835392e8 substchar+0x87a4 rip 0xffffffff82bd27e5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80003c3f6bf0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor) tid=324290 pid=78849 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=73, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80003abc07e8,0xffff80003abc0d28 process=0xffff80002a3844f0 user=0xffff80003c3f2000, vmspace=0xfffff6006cf093e8 estcpu=23, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 61437 9527 39477 0 2 0 0 syz-executor 61437 193857 39477 0 3 0 0x4000080 fsleep syz-executor 84938 487081 48324 0 7 0 0x1 syz-executor 84938 93328 48324 0 3 0 0x4000080 msgwait syz-executor 94399 28333 18096 0 2 0x2 0 syz-executor 78849 285762 26523 0 2 0 0 syz-executor *78849 324290 26523 0 7 0 0x4000000 syz-executor 55623 119847 96662 -1 2 0x10 0 syz-executor 55623 323989 96662 -1 3 0x10 0x4000080 fsleep syz-executor 36215 361171 72577 0 2 0 0 syz-executor 36215 515001 72577 0 3 0 0x4000080 fsleep syz-executor 61853 409503 74327 0 3 0 0x80 nanoslp syz-executor 61853 353638 74327 0 3 0 0x4000000 smrbar syz-executor 61853 316233 74327 0 3 0 0x4000080 fsleep syz-executor 61853 448271 74327 0 3 0 0x4000080 fsleep syz-executor 87388 514859 18096 0 3 0x2 0 clonelk syz-executor 39477 241995 18096 0 3 0x2 0x80 nanoslp syz-executor 48324 438214 18096 0 3 0x2 0x80 nanoslp syz-executor 26523 451314 18096 0 3 0x2 0x80 nanoslp syz-executor 96662 428787 18096 0 3 0x2 0x80 nanoslp syz-executor 72577 158757 18096 0 2 0x2 0 syz-executor 74327 316287 18096 0 2 0x2 0 syz-executor 18096 141465 45554 0 3 0x2 0x80 kqread syz-executor 45554 233835 57494 0 3 0x100002 0x88 sigsusp ksh 57494 471886 38862 0 3 0x10 0x88 kqread sshd-session 38862 317631 56743 0 3 0x12 0x80 kqread sshd-session 70112 225733 1 0 3 0x100003 0x80 ttyin getty 56743 224993 1 0 3 0 0x88 kqread sshd 33650 69992 89952 74 3 0x1100012 0x80 bpf pflogd 89952 366767 1 0 3 0 0x80 sbwait pflogd 26183 467302 71467 73 3 0x1100010 0x80 kqread syslogd 71467 287075 1 0 3 0x100002 0x80 sbwait syslogd 14479 17112 1 0 3 0x100000 0x80 kqread resolvd 16660 182170 10112 77 3 0x100012 0x80 kqread dhcpleased 72988 421682 10112 77 3 0x100012 0x80 kqread dhcpleased 10112 84476 1 0 3 0 0x80 kqread dhcpleased 62930 330280 0 0 3 0x14000 0x200 bored smr 53333 310775 0 0 2 0x14000 0x200 zerothread 79693 61173 0 0 3 0x14000 0x200 aiodoned aiodoned 33734 269570 0 0 3 0x14000 0x200 syncer update 63868 124181 0 0 3 0x14000 0x200 cleaner cleaner 23591 119975 0 0 3 0x14000 0x200 reaper reaper 41213 479068 0 0 3 0x14000 0x200 pgdaemon pagedaemon 22895 337582 0 0 3 0x14000 0x200 bored viomb 41081 453792 0 0 3 0x14000 0x40000200 acpi0 acpi0 29335 401978 0 0 3 0x14000 0x40000200 idle1 29746 203316 0 0 3 0x14000 0x200 bored softnet1 43883 20206 0 0 3 0x14000 0x200 bored softnet0 99705 494152 0 0 3 0x14000 0x200 smrbar systqmp 48891 314237 0 0 3 0x14000 0x200 bored systq 55578 338099 0 0 3 0x14000 0x200 tmoslp softclockmp 89302 23104 0 0 3 0x14000 0x40000200 tmoslp softclock 95160 481815 0 0 3 0x14000 0x40000200 idle0 1 76123 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{0}> show all locks Process 78849 (syz-executor) thread 0xffff80003abc02b8 (324290) exclusive rwlock pf_lock r = 0 (0xffffffff8390fda8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 pfioctl+0x1342 sys/net/pf_ioctl.c:3284 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 exclusive rwlock pfioctl_rw r = 0 (0xffffffff8390fe38) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 pfioctl+0x1d4 sys/net/pf_ioctl.c:2064 #3 VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 #4 vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 #5 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #6 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #6 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #7 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83ac6800) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 vn_ioctl+0x4d sys/kern/vfs_vnops.c:520 #2 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #3 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #3 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #4 Xsyscall+0x128 Process 61853 (syz-executor) thread 0xffff800045ff27e0 (353638) exclusive rwlock clonelk r = 0 (0xffffffff839a3ae8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 rw_do_enter_write+0x419 sys/kern/kern_rwlock.c:320 #2 if_clone_destroy+0x93 sys/net/if.c:-1 #3 ifioctl+0x59d sys/net/if.c:2160 #4 sys_ioctl+0x674 sys/kern/sys_generic.c:-1 #5 syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] #5 syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 #6 Xsyscall+0x128 Process 99705 (systqmp) thread 0xffff800045ffe298 (494152) shared rwlock systqmp r = 0 (0xffffffff839402c8) #0 witness_lock+0x5f1 stacktrace_save sys/sys/stacktrace.h:37 [inline] #0 witness_lock+0x5f1 sys/kern/subr_witness.c:1160 #1 taskq_thread+0x12a sys/kern/kern_task.c:442 #2 proc_trampoline+0x10 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11055 12273K 12276K 166960K 12158 0 pcb 18 12K 12K 166960K 27 0 rtable 199 7K 9K 166960K 366 0 pf 31 17K 18K 166960K 46 0 ifaddr 35 6K 7K 166960K 45 0 ifgroup 47 2K 2K 166960K 55 0 sysctl 3 1K 9K 166960K 7 0 counters 66 36K 37K 166960K 70 0 ioctlops 1 2K 4K 166960K 1486 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1292 81K 81K 166960K 1382 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 4 0K 0K 166960K 4 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 16 57K 89K 166960K 163 0 proc 72 131K 164K 166960K 562 0 subproc 66 4K 4K 166960K 84 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 77 5K 6K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 1 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 37 175K 175K 166960K 37 0 exec 0 0K 1K 166960K 386 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 226 167K 175K 166960K 3306 0 UVM aobj 4 2K 2K 166960K 4 0 pinsyscall 41 82K 102K 166960K 1323 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 22 1K 2K 166960K 28 0 temp 36 9118K 9182K 166960K 5875 0 kqueue 14 22K 22K 166960K 26 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 34 0 31 1 0 1 1 0 8 0 rtentry 176 111 0 23 5 0 5 5 0 8 0 unpcb 144 44 0 27 1 0 1 1 0 8 0 syncache 336 4 0 4 1 0 1 1 0 8 1 tcpcb 736 20 0 15 1 0 1 1 0 8 0 arp 136 18 0 4 1 0 1 1 0 8 0 inpcb 328 91 0 80 2 0 2 2 0 8 0 nd6 152 24 0 6 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 9 0 2 1 0 1 1 0 8 0 pffrag 232 2 0 0 1 0 1 1 0 482 0 pffrnode 88 2 0 0 1 0 1 1 0 8 0 pffrent 40 2 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 31 0 0 1 0 1 1 0 8 0 pfstkey 128 31 0 0 1 0 1 1 0 8 0 pfstate 448 31 0 0 4 0 4 4 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 256 453 0 44 29 0 29 29 0 8 2 art_table 40 454 0 44 5 0 5 5 0 8 0 art_node 32 111 0 12 1 0 1 1 0 8 0 semapl 72 2 0 0 1 0 1 1 0 8 0 shmpl 120 1 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1597 0 123 93 0 93 93 0 8 0 ffsino 296 1597 0 123 114 0 114 114 0 8 0 nchpl 144 1821 0 114 64 0 64 64 0 8 0 vnodes 216 1704 0 0 95 0 95 95 0 8 0 namei 1024 6334 0 6334 3 0 3 3 0 8 3 percpumem 16 51 0 2 1 0 1 1 0 8 0 kstatmem 264 27 0 4 2 0 2 2 0 8 0 scxspl 216 6339 0 6339 4 1 3 3 1 8 3 plimitpl 152 32 0 15 1 0 1 1 0 8 0 sigapl 424 476 0 430 7 0 7 7 0 8 1 knotepl 120 281 0 0 9 0 9 9 0 8 0 kqueuepl 224 25 0 15 1 0 1 1 0 8 0 pipepl 344 133 0 106 3 0 3 3 0 8 0 fdescpl 528 460 0 430 3 0 3 3 0 8 0 filepl 160 1682 0 1471 10 0 10 10 0 8 0 lockfpl 104 12 0 10 1 0 1 1 0 8 0 lockfspl 48 7 0 5 1 0 1 1 0 8 0 sessionpl 144 25 0 16 1 0 1 1 0 8 0 pgrppl 48 35 0 18 1 0 1 1 0 8 0 ucredpl 104 98 0 84 1 0 1 1 0 8 0 zombiepl 144 430 0 430 1 0 1 1 0 8 1 processpl 1240 476 0 430 5 0 5 5 0 8 1 procpl 664 520 0 466 6 0 6 6 0 8 1 sosppl 176 2 0 2 1 0 1 1 0 8 1 sockpl 752 171 0 140 4 0 4 4 0 8 0 mcl64k 65536 2 0 0 1 0 1 1 0 8 0 mcl16k 16384 6 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 109 0 0 14 0 14 14 0 8 0 mcl2k 2048 18 0 0 3 0 3 3 0 8 0 mextrefs 64 23 0 0 1 0 1 1 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 157 0 0 10 0 10 10 0 8 0 bufpl 272 2415 0 105 154 0 154 154 0 8 0 anonpl 32 3834 0 0 31 0 31 31 0 247 0 amapchunkpl 152 9018 0 8550 20 0 20 20 0 158 1 amappl16 200 1883 0 1863 5 0 5 5 0 8 3 amappl15 192 40 0 40 1 0 1 1 0 8 1 amappl14 184 437 0 436 1 0 1 1 0 8 0 amappl13 176 126 0 114 1 0 1 1 0 8 0 amappl12 168 725 0 696 2 0 2 2 0 8 0 amappl11 160 20 0 20 1 0 1 1 0 8 1 amappl10 152 62 0 48 1 0 1 1 0 8 0 amappl9 144 298 0 298 1 0 1 1 0 8 1 amappl8 136 118 0 116 1 0 1 1 0 8 0 amappl7 128 148 0 134 1 0 1 1 0 8 0 amappl6 120 186 0 184 1 0 1 1 0 8 0 amappl5 112 99 0 88 1 0 1 1 0 8 0 amappl4 104 297 0 277 1 0 1 1 0 8 0 amappl3 96 1556 0 1463 3 0 3 3 0 8 0 amappl2 88 574 0 500 2 0 2 2 0 8 0 amappl1 80 10480 0 9887 15 1 14 14 0 8 1 amappl 88 2576 0 2422 4 0 4 4 0 92 0 uvmvnodes 80 101 0 0 3 0 3 3 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 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 3 0 0 1 0 1 1 0 8 0 uaddrrnd 24 460 0 430 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 460 0 430 1 0 1 1 0 8 0 vmmpekpl 168 5780 0 5738 3 0 3 3 0 8 0 vmmpepl 168 39309 0 37473 86 0 86 86 0 357 3 vmsppl 488 459 0 430 5 0 5 5 0 8 1 rwobjpl 80 14878 0 13867 23 0 23 23 0 8 1 pdppl 4096 927 0 860 95 14 81 83 0 8 14 pvpl 32 10307 0 0 84 0 84 84 0 265 0 pmappl 256 459 0 430 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 422 0 17 12 0 12 12 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff839a3be0,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffffffff839a3bc8,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 uvn_io(fffff6006cf1de70,ffff80003c3f6e48,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 uvn_get(fffff6006cf1de70,0,ffff80003c3f6f18,ffff80003c3f6efc,0,1,ee88a224257e6dc,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 uvm_fault_lower_io(ffff80003c3f7130,ffff80003c3f7168,ffff80003c3f6fb0,ffff80003c3f6f98) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 uvm_fault_lower(ffff80003c3f7130,ffff80003c3f7168,ffff80003c3f70b0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 uvm_fault(fffff6006cf093e8,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80003c3f72e0,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 kerntrap(ffff80003c3f72e0) at kerntrap+0x19d sys/arch/amd64/amd64/trap.c:532 alltraps_kern_meltdown() at alltraps_kern_meltdown+0x7b _copyin() at _copyin+0x5b pfioctl(14900,c4504441,ffff800001617000,1,ffff80003abc02b8) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284 VOP_IOCTL(fffff60071436cc0,c4504441,ffff800001617000,1,fffff600097fd548,ffff80003abc02b8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffff6000e18c908,c4504441,ffff800001617000,ffff80003abc02b8) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff80003abc02b8,ffff80003c3f7e90,ffff80003c3f7de0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80003c3f7e90) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003c3f7e90) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3d7a7989ad0, count: -18 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff80002999dff0) at x86_ipi_db+0x27 sys/arch/amd64/amd64/db_interface.c:394 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(ffffffff83ac6000) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83ac6000) at __mp_lock+0x192 sys/kern/kern_lock.c:173 ktrsyscall(ffff80003abc1ca8,53,28,ffff80002a372f40) at ktrsyscall+0x2c7 ktrwrite sys/kern/kern_ktrace.c:-1 [inline] ktrsyscall(ffff80003abc1ca8,53,28,ffff80002a372f40) at ktrsyscall+0x2c7 sys/kern/kern_ktrace.c:183 syscall(ffff80002a372f40) at syscall+0x305 mi_syscall sys/sys/syscall_mi.h:154 [inline] syscall(ffff80002a372f40) at syscall+0x305 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x767cc850d2b0, count: -7