witness: lock order reversal: 1st 0xffffffff83997888 pf_lock (pf_lock) 2nd 0xffffffff8393ce20 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{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> show kasan No such command ddb{1}> trace db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 witness_checkorder(ffffffff8393ce20,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffffffff8393ce08,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 uvn_io(fffff78068fd63d0,ffff80002a2d1c38,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 uvn_get(fffff78068fd63d0,0,ffff80002a2d1d08,ffff80002a2d1cec,0,1,7750ed8073d67609,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 uvm_fault_lower_io(ffff80002a2d1f20,ffff80002a2d1f58,ffff80002a2d1da0,ffff80002a2d1d88) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 uvm_fault_lower(ffff80002a2d1f20,ffff80002a2d1f58,ffff80002a2d1ea0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 uvm_fault(fffff78070b907b0,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80002a2d20d0,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 kerntrap(ffff80002a2d20d0) 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,ffff800001615800,1,ffff800045fe87e8) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284 VOP_IOCTL(fffff7806d6ebe58,c4504441,ffff800001615800,1,fffff780097fd548,ffff800045fe87e8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffff78068fcb1a8,c4504441,ffff800001615800,ffff800045fe87e8) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff800045fe87e8,ffff80002a2d2c80,ffff80002a2d2bd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a2d2c80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d2c80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x611c0b873b0, count: -18 ddb{1}> show registers rdi 0 rsi 0x80000 acpi_pdirpa+0x6be71 rbp 0xffff80002a2d19f0 rbx 0 rdx 0xffff80000160b580 rcx 0xffff800045fe87e8 rax 0x7ffff acpi_pdirpa+0x6be70 r8 0xffff80002a2d18d0 r9 0x8080808080808080 r10 0x874e8a03391a6d39 r11 0x6779df5051f3435f r12 0xfffff780040de2c0 r13 0xfffff780048cd2c8 r14 0x3 r15 0xffffffff83543cab substchar+0xbdc1 rip 0xffffffff8294dcc5 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a2d19e0 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=253631 pid=46142 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=32, usrpri=66, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff800045fe9ca8,0xffff800045fe8d28 process=0xffff800045fecea0 user=0xffff80002a2cd000, vmspace=0xfffff78070b907b0 estcpu=16, cpticks=2, pctcpu=0.0, user=0, sys=2, intr=0 ddb{1}> ps PID TID PPID UID S PRLAGS PFLAGS WAIT COMMAND 87239 412763 23529 0 2 0x100000 0 sh 85011 412231 10512 0 2 0x2 0 arp 10512 218891 35635 0 3 0x100002 0x88 sigsusp sh 74313 323789 78698 0 2 0x100000 0 sh 78698 238192 76743 0 3 0x100002 0x88 sigsusp sh 23529 376279 5678 0 3 0x100002 0x88 sigsusp sh 46142 91267 91923 0 7 0 0 syz-executor *46142 253631 91923 0 7 0 0x4000000 syz-executor 76743 227648 52807 0 3 0x2 0x80 wait syz-executor 35635 413899 52807 0 3 0x2 0x80 wait syz-executor 5678 452060 52807 0 3 0x2 0x80 wait syz-executor 15636 194256 52807 0 3 0x2 0x80 piperd syz-executor 41504 497520 52807 0 3 0x2 0x80 wait syz-executor 91923 59182 52807 0 3 0x2 0x80 nanoslp syz-executor 64475 205475 52807 0 3 0x2 0x80 wait syz-executor 52807 371246 31734 0 3 0x2 0x80 nanoslp syz-executor 31734 389315 87800 0 3 0x100002 0x88 sigsusp ksh 87800 72670 58492 0 3 0x10 0x88 kqread sshd-session 58492 425092 15022 0 3 0x12 0x80 kqread sshd-session 56623 447112 1 0 3 0x100003 0x80 ttyin getty 15022 95105 1 0 3 0 0x88 kqread sshd 19888 351184 10928 74 3 0x1100012 0x80 bpf pflogd 10928 420932 1 0 3 0 0x80 sbwait pflogd 727 261080 54663 73 3 0x1100010 0x80 kqread syslogd 54663 257886 1 0 3 0x100002 0x80 sbwait syslogd 6963 514274 1 0 3 0x100000 0x80 kqread resolvd 15399 288629 8740 77 3 0x100012 0x80 kqread dhcpleased 87548 386518 8740 77 3 0x100012 0x80 kqread dhcpleased 8740 258188 1 0 3 0 0x80 kqread dhcpleased 2235 93826 0 0 3 0x14000 0x200 bored smr 67452 313751 0 0 2 0x14000 0x200 zerothread 72179 398556 0 0 3 0x14000 0x200 aiodoned aiodoned 12922 197106 0 0 3 0x14000 0x200 syncer update 75049 188741 0 0 3 0x14000 0x200 cleaner cleaner 31488 269905 0 0 3 0x14000 0x200 reaper reaper 49182 383190 0 0 3 0x14000 0x200 pgdaemon pagedaemon 27673 346048 0 0 3 0x14000 0x200 bored viomb 62973 308685 0 0 3 0x14000 0x40000200 acpi0 acpi0 37941 101760 0 0 3 0x14000 0x40000200 idle1 29468 337660 0 0 3 0x14000 0x200 bored softnet1 20465 84597 0 0 2 0x14000 0x200 softnet0 66670 230857 0 0 3 0x14000 0x200 smrbar systqmp 62572 93461 0 0 3 0x14000 0x200 bored systq 30129 78871 0 0 3 0x14000 0x200 tmoslp softclockmp 73228 332003 0 0 3 0x14000 0x40000200 tmoslp softclock 29119 136227 0 0 3 0x14000 0x40000200 idle0 1 28971 0 0 3 0x2 0x80 wait init 0 0 -1 0 3 0x10000 0x200 scheduler swapper ddb{1}> show all locks Process 46142 (syz-executor) thread 0xffff800045fe87e8 (253631) exclusive rwlock pf_lock r = 0 (0xffffffff83997888) #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 (0xffffffff83997918) #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 (0xffffffff83a06600) #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 66670 (systqmp) thread 0xffff800045ffe000 (230857) shared rwlock systqmp r = 0 (0xffffffff8391c238) #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{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11053 12097K 12224K 166960K 12451 0 pcb 17 12K 12K 166960K 45 0 rtable 178 7K 9K 166960K 1816 0 pf 35 18K 22K 166960K 230 0 ifaddr 30 5K 8K 166960K 260 0 ifgroup 47 2K 2K 166960K 288 0 sysctl 3 1K 9K 166960K 7 0 counters 66 36K 37K 166960K 224 0 ioctlops 1 2K 4K 166960K 1631 0 iov 0 0K 12K 166960K 21 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1293 81K 82K 166960K 2035 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 9K 166960K 6 0 VM map 2 1K 1K 166960K 2 0 sem 27 1K 1K 166960K 77 0 dirhash 12 2K 2K 166960K 33 0 ACPI 1734 201K 291K 166960K 11964 0 file desc 18 65K 97K 166960K 1129 0 sigio 0 0K 0K 166960K 4 0 proc 73 115K 164K 166960K 1916 0 subproc 63 3K 4K 166960K 522 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 24 0 in_multi 56 3K 6K 166960K 628 0 ether_multi 1 0K 0K 166960K 5 0 mrt 0 0K 0K 166960K 14 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 61 281K 281K 166960K 61 0 exec 0 0K 1K 166960K 1030 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 213 153K 178K 166960K 9364 0 UVM aobj 6 2K 2K 166960K 7 0 pinsyscall 43 86K 105K 166960K 3565 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 6 0 NDP 12 0K 2K 166960K 188 0 temp 37 9119K 9183K 166960K 32328 0 kqueue 13 20K 26K 166960K 78 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 28 0 0 1 0 1 1 0 8 0 rtpcb 120 177 0 174 2 1 1 2 0 8 0 rtentry 176 635 0 564 6 0 6 6 0 8 1 unpcb 144 132 0 115 1 0 1 1 0 8 0 syncache 336 5 0 5 2 2 0 1 0 8 0 tcpcb 736 70 0 66 1 0 1 1 0 8 0 arp 136 113 0 102 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 328 448 0 440 2 0 2 2 0 8 1 nd6 152 165 0 153 1 0 1 1 0 8 0 pkpcb 40 1 0 1 1 0 1 1 0 8 1 kcovpl 48 58 0 51 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 27 0 27 1 0 1 1 0 8 1 pppxif 1576 1 0 1 1 0 1 1 0 8 1 pfstscr 40 3 0 1 1 0 1 1 0 8 0 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 1 0 0 1 0 1 1 0 8 0 pfosfp 40 1429 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1429 0 714 21 0 21 21 0 8 0 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pfsrclim 320 2 0 2 1 1 0 1 0 8 0 pfanchor 1288 1 0 0 1 0 1 1 0 8 0 pftag 88 3 0 0 1 0 1 1 0 8 0 pfstitem 24 38 0 23 1 0 1 1 0 8 0 pfstkey 128 38 0 23 2 0 2 2 0 8 0 pfstate 448 35 0 22 4 0 4 4 0 8 2 pfrule 1360 46 0 28 3 1 2 2 0 8 0 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 2593 0 2207 32 2 30 32 0 8 0 art_table 40 2596 0 2207 6 0 6 6 0 8 0 art_node 32 635 0 560 1 0 1 1 0 8 0 sysvmsgpl 40 5 0 4 1 0 1 1 0 8 0 semapl 72 73 0 48 1 0 1 1 0 8 0 shmpl 120 4 0 1 1 0 1 1 0 8 0 dirhash 1024 31 0 14 3 0 3 3 0 8 0 dino2pl 256 2171 0 601 99 0 99 99 0 8 0 ffsino 296 2171 0 601 121 0 121 121 0 8 0 nchpl 144 2692 0 819 70 0 70 70 0 8 0 vnodes 216 2826 0 0 157 0 157 157 0 8 0 namei 1024 14692 0 14692 4 3 1 3 0 8 1 percpumem 16 128 0 79 1 0 1 1 0 8 0 kstatmem 264 159 0 136 3 1 2 3 0 8 0 scxspl 216 10254 0 10254 8 5 3 5 1 8 3 plimitpl 152 115 0 99 1 0 1 1 0 8 0 sigapl 424 1355 0 1307 7 1 6 7 0 8 0 knotepl 120 464 0 0 15 0 15 15 0 8 0 kqueuepl 224 163 0 154 1 0 1 1 0 8 0 pipepl 344 296 0 268 5 1 4 4 0 8 0 fdescpl 528 1339 0 1307 3 0 3 3 0 8 0 filepl 160 4512 0 4300 15 3 12 13 0 8 2 lockfpl 104 180 0 177 1 0 1 1 0 8 0 lockfspl 48 80 0 77 1 0 1 1 0 8 0 sessionpl 144 92 0 83 1 0 1 1 0 8 0 pgrppl 48 151 0 135 1 0 1 1 0 8 0 ucredpl 104 441 0 428 1 0 1 1 0 8 0 zombiepl 144 1309 0 1307 1 0 1 1 0 8 0 processpl 1240 1355 0 1307 5 0 5 5 0 8 0 procpl 664 1823 0 1774 6 0 6 6 0 8 0 sockpl 752 791 0 763 7 3 4 7 0 8 1 mcl64k 65536 5 0 0 1 0 1 1 0 8 0 mcl16k 16384 4 0 0 1 0 1 1 0 8 0 mcl12k 12288 6 0 0 1 0 1 1 0 8 0 mcl9k128 9344 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 110 0 0 14 0 14 14 0 8 0 mcl2k2 2112 1 0 0 1 0 1 1 0 8 0 mcl2k 2048 36 0 0 5 0 5 5 0 8 0 mextrefs 64 32 0 0 1 0 1 1 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 238 0 0 15 0 15 15 0 8 0 bufpl 272 3642 0 108 236 0 236 236 0 8 0 anonpl 32 5631 0 0 47 1 46 46 0 247 0 amapchunkpl 152 25341 0 24942 24 1 23 24 0 158 5 amappl16 200 1642 0 1628 5 3 2 4 0 8 0 amappl15 192 6 0 6 2 2 0 1 0 8 0 amappl14 184 1017 0 1011 1 0 1 1 0 8 0 amappl13 176 259 0 246 1 0 1 1 0 8 0 amappl12 168 1821 0 1792 2 0 2 2 0 8 0 amappl11 160 8 0 8 1 1 0 1 0 8 0 amappl10 152 63 0 49 1 0 1 1 0 8 0 amappl9 144 276 0 276 1 1 0 1 0 8 0 amappl8 136 304 0 302 1 0 1 1 0 8 0 amappl7 128 241 0 228 1 0 1 1 0 8 0 amappl6 120 635 0 631 1 0 1 1 0 8 0 amappl5 112 117 0 106 1 0 1 1 0 8 0 amappl4 104 480 0 459 1 0 1 1 0 8 0 amappl3 96 4861 0 4780 3 0 3 3 0 8 0 amappl2 88 1266 0 1193 2 0 2 2 0 8 0 amappl1 80 17953 0 17327 17 2 15 15 0 8 1 amappl 88 7744 0 7605 5 0 5 5 0 92 1 uvmvnodes 80 114 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 7 0 7 2 2 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 6 0 1 1 0 1 1 0 8 0 uaddrrnd 24 1339 0 1307 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 1339 0 1307 1 0 1 1 0 8 0 vmmpekpl 168 11803 0 11743 3 0 3 3 0 8 0 vmmpepl 168 93107 0 91291 92 3 89 89 0 357 6 vmsppl 488 1338 0 1307 5 0 5 5 0 8 0 rwobjpl 80 27566 0 26525 26 2 24 25 0 8 0 pdppl 4096 2685 0 2614 137 66 71 87 0 8 0 pvpl 32 11625 0 0 94 0 94 94 0 265 0 pmappl 256 1338 0 1307 3 0 3 3 0 8 0 extentpl 40 46 0 28 1 0 1 1 0 8 0 phpool 112 568 0 76 15 0 15 15 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff839efff0) 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(ffffffff83a05e00) at __mp_lock+0x192 __mp_lock_spin sys/kern/kern_lock.c:142 [inline] __mp_lock(ffffffff83a05e00) at __mp_lock+0x192 sys/kern/kern_lock.c:173 intr_handler(ffff80002a306bf0,ffff80000006e200) at intr_handler+0xe9 sys/arch/amd64/amd64/intr.c:560 Xintr_ioapic_edge16_untramp() at Xintr_ioapic_edge16_untramp+0x18f __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x16 kd_curproc sys/dev/kcov.c:580 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x16 sys/dev/kcov.c:153 softintr_dispatch(0) at softintr_dispatch+0x125 sys/kern/kern_softintr.c:83 dosoftint(0) at dosoftint+0x54 sys/arch/amd64/amd64/intr.c:862 Xsoftclock() at Xsoftclock+0x27 end of kernel end trace frame: 0x7d72247877b0, 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:438 witness_checkorder(ffffffff8393ce20,9,0) at witness_checkorder+0x10d1 sys/kern/subr_witness.c:-1 rw_do_enter_write(ffffffff8393ce08,0) at rw_do_enter_write+0xba sys/kern/kern_rwlock.c:234 uvn_io(fffff78068fd63d0,ffff80002a2d1c38,1,202,0) at uvn_io+0x54c sys/uvm/uvm_vnode.c:1243 uvn_get(fffff78068fd63d0,0,ffff80002a2d1d08,ffff80002a2d1cec,0,1,7750ed8073d67609,1) at uvn_get+0x31d sys/uvm/uvm_vnode.c:1075 uvm_fault_lower_io(ffff80002a2d1f20,ffff80002a2d1f58,ffff80002a2d1da0,ffff80002a2d1d88) at uvm_fault_lower_io+0x2ce sys/uvm/uvm_fault.c:1612 uvm_fault_lower(ffff80002a2d1f20,ffff80002a2d1f58,ffff80002a2d1ea0) at uvm_fault_lower+0x28d sys/uvm/uvm_fault.c:1381 uvm_fault(fffff78070b907b0,200000001000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1 kpageflttrap(ffff80002a2d20d0,200000001200) at kpageflttrap+0x2f4 sys/arch/amd64/amd64/trap.c:285 kerntrap(ffff80002a2d20d0) 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,ffff800001615800,1,ffff800045fe87e8) at pfioctl+0x1377 sys/net/pf_ioctl.c:3284 VOP_IOCTL(fffff7806d6ebe58,c4504441,ffff800001615800,1,fffff780097fd548,ffff800045fe87e8) at VOP_IOCTL+0xac sys/kern/vfs_vops.c:264 vn_ioctl(fffff78068fcb1a8,c4504441,ffff800001615800,ffff800045fe87e8) at vn_ioctl+0xf8 sys/kern/vfs_vnops.c:537 sys_ioctl(ffff800045fe87e8,ffff80002a2d2c80,ffff80002a2d2bd0) at sys_ioctl+0x674 sys/kern/sys_generic.c:-1 syscall(ffff80002a2d2c80) at syscall+0xbd4 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80002a2d2c80) at syscall+0xbd4 sys/arch/amd64/amd64/trap.c:791 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x611c0b873b0, count: -18