kernel: protection fault trap, code=0 Stopped at pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic the kernel did not panic ddb{1}> trace pf_anchor_global_RB_REMOVE(ffffffff82b20c08,ffff800000c02800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c02c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfioctl(4900,cd60441a,ffff800000c05000,3,ffff8000fffeba40) at pfioctl+0x925e sys/net/pf_ioctl.c:1719 VOP_IOCTL(fffffd8079d57c68,cd60441a,ffff800000c05000,3,fffffd807f7d85a0,ffff8000fffeba40) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8066bcae60,cd60441a,ffff800000c05000,ffff8000fffeba40) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000fffeba40,ffff80002c950958,ffff80002c9509b0) at sys_ioctl+0x4a2 syscall(ffff80002c950a20) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002c950a20) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x376a19e2ce0, count: -8 ddb{1}> show registers rdi 0xffffffff82b20c08 pf_anchors rsi 0xffff800000c02800 rbp 0xffff80002c9504b0 rbx 0xffffffff82b20c08 pf_anchors rdx 0 rcx 0xfffffd80035852c0 rax 0xffff8000fffeba40 r8 0x101010101010101 r9 0x8080808080808080 r10 0xe5795e8628112f19 r11 0x8e735fe601cee62a r12 0xed1033cd8034507 r13 0xffffffff82b20c10 pf_main_anchor r14 0xffff800000c02800 r15 0xdead007fdead4110 rip 0xffffffff81a3f928 pf_anchor_global_RB_REMOVE+0x58 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff80002c950460 ss 0x10 pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{1}> show proc PROC (syz-executor.5) pid=409857 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff8000fffea7e0,0xffff8000fffeafd0 process=0xffff80002a528c98 user=0xffff80002c94b000, vmspace=0xfffffd807ddde310 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 13649 422216 49513 0 2 0 syz-executor.5 *13649 409857 49513 0 7 0x4000000 syz-executor.5 50260 395342 90821 0 7 0 syz-executor.7 62844 405396 33271 0 2 0 syz-executor.4 62844 55611 33271 0 3 0x4000000 biowait syz-executor.4 75947 151235 75766 0 2 0 syz-executor.1 75947 439345 75766 0 3 0x4000080 fsleep syz-executor.1 98748 474666 31792 0 2 0 syz-executor.6 98748 40528 31792 0 2 0x4000000 syz-executor.6 81886 87409 41608 0 2 0 syz-executor.0 7828 394889 22113 0 2 0 syz-executor.2 7828 361088 22113 0 2 0x4000000 syz-executor.2 99302 281940 0 0 3 0x14200 acct acct 33271 234726 25932 0 3 0x82 nanoslp syz-executor.4 41608 190824 25932 0 2 0x2 syz-executor.0 19550 356080 1 0 3 0x100083 ttyin getty 31792 153346 25932 0 3 0x82 nanoslp syz-executor.6 75766 4180 25932 0 3 0x82 nanoslp syz-executor.1 23959 385591 25932 0 2 0x2 syz-executor.3 49513 325339 25932 0 3 0x82 nanoslp syz-executor.5 90821 97563 25932 0 3 0x82 nanoslp syz-executor.7 92769 330345 0 0 3 0x14200 bored sosplice 99052 52070 0 0 3 0x14280 nfsidl nfsio 4442 382800 0 0 3 0x14280 nfsidl nfsio 80341 341285 0 0 3 0x14280 nfsidl nfsio 79294 66023 0 0 3 0x14280 nfsidl nfsio 67517 188680 0 0 3 0x14280 nfsidl nfsio 78131 46529 0 0 3 0x14280 nfsidl nfsio 25956 222377 0 0 3 0x14280 nfsidl nfsio 83852 62709 0 0 3 0x14280 nfsidl nfsio 50710 303195 0 0 3 0x14280 nfsidl nfsio 45107 142889 0 0 3 0x14280 nfsidl nfsio 80979 98197 0 0 3 0x14280 nfsidl nfsio 53141 129134 0 0 3 0x14280 nfsidl nfsio 75268 473148 0 0 3 0x14280 nfsidl nfsio 40580 520912 0 0 3 0x14280 nfsidl nfsio 69872 519752 0 0 3 0x14280 nfsidl nfsio 29345 76948 0 0 3 0x14280 nfsidl nfsio 4036 471483 0 0 3 0x14280 nfsidl nfsio 76422 434250 0 0 3 0x14280 nfsidl nfsio 95974 170156 0 0 3 0x14280 nfsidl nfsio 10675 410771 0 0 3 0x14280 nfsidl nfsio 22113 482525 25932 0 3 0x82 nanoslp syz-executor.2 25932 76104 65519 0 3 0x82 thrsleep syz-fuzzer 25932 287012 65519 0 3 0x4000082 nanoslp syz-fuzzer 25932 301876 65519 0 3 0x4000082 thrsleep syz-fuzzer 25932 236171 65519 0 3 0x4000082 nanoslp syz-fuzzer 25932 88669 65519 0 3 0x4000082 thrsleep syz-fuzzer 25932 185428 65519 0 3 0x4000082 thrsleep syz-fuzzer 25932 129768 65519 0 3 0x4000082 kqread syz-fuzzer 25932 410943 65519 0 3 0x4000082 thrsleep syz-fuzzer 25932 413330 65519 0 3 0x4000082 thrsleep syz-fuzzer 65519 248905 65577 0 3 0x10008a sigsusp ksh 65577 333135 53962 0 3 0x9a kqread sshd 53962 30023 1 0 3 0x88 kqread sshd 74396 331079 21402 74 3 0x1100092 bpf pflogd 21402 504740 1 0 3 0x80 netio pflogd 88613 63264 25073 73 3 0x1100090 kqread syslogd 25073 472170 1 0 3 0x100082 netio syslogd 80811 351579 1 0 3 0x100080 kqread resolvd 55479 368868 26558 77 3 0x100092 kqread dhcpleased 26799 343616 26558 77 3 0x100092 kqread dhcpleased 26558 303099 1 0 3 0x80 kqread dhcpleased 45385 502272 0 0 3 0x14200 bored smr 60653 114896 0 0 2 0x14200 zerothread 62974 56437 0 0 3 0x14200 aiodoned aiodoned 38753 64847 0 0 3 0x14200 syncer update 76434 318205 0 0 3 0x14200 cleaner cleaner 34595 213192 0 0 3 0x14200 reaper reaper 95391 491969 0 0 3 0x14200 pgdaemon pagedaemon 13943 352068 0 0 3 0x14200 bored viomb 91373 58589 0 0 3 0x40014200 acpi0 acpi0 93824 20095 0 0 3 0x40014200 idle1 50069 410325 0 0 3 0x14200 bored softnet 47005 198123 0 0 3 0x14200 bored systqmp 39266 41017 0 0 3 0x14200 bored systq 15078 376841 0 0 3 0x40014200 bored softclock 7382 294539 0 0 3 0x40014200 idle0 1 460331 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 13649 (syz-executor.5) thread 0xffff8000fffeba40 (409857) exclusive rwlock pf_lock r = 0 (0xffffffff829bcc40) #0 witness_lock+0x44d #1 pfioctl+0x5be8 sys/net/pf_ioctl.c:1607 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive rwlock netlock r = 0 (0xffffffff829236c0) #0 witness_lock+0x44d #1 pfioctl+0x3708 sys/net/pf_ioctl.c:1607 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive rwlock pfioctl_rw r = 0 (0xffffffff829bcca0) #0 witness_lock+0x44d #1 pfioctl+0x15e sys/net/pf_ioctl.c:1147 #2 VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 #3 vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 #4 sys_ioctl+0x4a2 #5 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #5 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff82a15b98) #0 witness_lock+0x44d #1 vn_ioctl+0x41 sys/kern/vfs_vnops.c:514 #2 sys_ioctl+0x4a2 #3 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #3 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #4 Xsyscall+0x128 Process 50260 (syz-executor.7) thread 0xffff8000ffff5a40 (395342) exclusive rwlock amaplk r = 0 (0xfffffd806ea52f30) #0 witness_lock+0x44d #1 uvm_fault_check+0x3ca sys/uvm/uvm_fault.c:774 #2 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #3 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #4 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #5 recall_trap+0x8 shared rwlock vmmaplk r = 0 (0xfffffd807ddde048) #0 witness_lock+0x44d #1 uvmfault_lookup+0xd9 sys/uvm/uvm_fault.c:1758 #2 uvm_fault_check+0x3a sys/uvm/uvm_fault.c:674 #3 uvm_fault+0x102 sys/uvm/uvm_fault.c:602 #4 upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 #5 usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 #6 recall_trap+0x8 Process 62844 (syz-executor.4) thread 0xffff8000fffeafc0 (55611) exclusive rrwlock inode r = 0 (0xfffffd806e30d708) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 ufs_ihashins+0x42 sys/ufs/ufs/ufs_ihash.c:140 #5 ffs_vget+0x141 sys/ufs/ffs/ffs_vfsops.c:1347 #6 ffs_inode_alloc+0x1be sys/ufs/ffs/ffs_alloc.c:394 #7 ufs_makeinode+0xae sys/ufs/ufs/ufs_vnops.c:1830 #8 ufs_mknod+0x4e sys/ufs/ufs/ufs_vnops.c:172 #9 VOP_MKNOD+0xbf sys/kern/vfs_vops.c:121 #10 domknodat+0x326 sys/kern/vfs_syscalls.c:1630 #11 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #11 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #12 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806e3163c8) #0 witness_lock+0x44d #1 rw_enter+0x3e1 sys/kern/kern_rwlock.c:310 #2 rrw_enter+0x8b sys/kern/kern_rwlock.c:461 #3 VOP_LOCK+0x87 sys/kern/vfs_vops.c:534 #4 vn_lock+0x84 sys/kern/vfs_vnops.c:579 #5 vfs_lookup+0xd1 sys/kern/vfs_lookup.c:413 #6 namei+0x36a sys/kern/vfs_lookup.c:245 #7 domknodat+0x92 sys/kern/vfs_syscalls.c:1582 #8 syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] #8 syscall+0x489 sys/arch/amd64/amd64/trap.c:585 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10184 6482K 7011K 78643K 19872 0 pcb 13 16K 18K 78643K 533 0 rtable 218 8K 13K 78643K 2047 0 ifaddr 90 20K 21K 78643K 634 0 sysctl 3 1K 1K 78643K 3 0 counters 56 35K 36K 78643K 184 0 ioctlops 1 4K 4K 78643K 2891 0 iov 0 0K 28K 78643K 1371 0 mount 1 1K 1K 78643K 1 0 log 0 0K 0K 78643K 4 0 vnodes 1329 83K 84K 78643K 4244 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 46 0 VM map 2 1K 1K 78643K 2 0 sem 19 476K 476K 78643K 378 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1697 195K 286K 78643K 12548 0 file desc 17 61K 85K 78643K 5170 0 sigio 0 0K 0K 78643K 27 0 proc 71 87K 136K 78643K 1235 0 subproc 104 6K 6K 78643K 312 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 138 0 in_multi 94 6K 7K 78643K 425 0 ether_multi 1 0K 0K 78643K 26 0 mrt 1 0K 0K 78643K 7 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 85 387K 387K 78643K 85 0 exec 0 0K 2K 78643K 1975 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 437 396K 397K 78643K 68458 0 UVM aobj 131 6K 6K 78643K 146 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 782 0 NDP 12 0K 1K 78643K 138 0 temp 131 4713K 4785K 78643K 58212 0 kqueue 12 18K 24K 78643K 341 0 SYN cache 2 2352K 2360K 78643K 3 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 120 168 0 165 1 0 1 1 0 8 0 rtentry 112 506 0 412 4 0 4 4 0 8 0 unpcb 136 3077 0 3062 40 37 3 7 0 8 2 syncache 296 21 0 21 7 7 0 1 0 8 0 tcpqe 32 71 0 71 4 4 0 1 0 8 0 tcpcb 736 3024 0 3011 79 68 11 11 0 8 9 arp 120 57 0 40 1 0 1 1 0 8 0 inpcb 312 6998 0 6990 87 81 6 11 0 8 5 nd6 48 88 0 66 1 0 1 1 0 8 0 pkpcb 40 7 0 7 2 2 0 1 0 8 0 kcovpl 48 24 0 16 1 0 1 1 0 8 0 ppxss 1248 27 0 27 7 7 0 1 0 8 0 pfstscr 40 6 0 6 1 1 0 1 0 8 0 pffrag 232 38 0 36 2 1 1 1 0 482 0 pffrnode 88 38 0 36 2 1 1 1 0 8 0 pffrent 40 190 0 188 2 1 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 pfrktable 1344 274 0 269 6 5 1 2 0 8 0 pftag 88 6 0 0 1 0 1 1 0 8 0 pfqueue 264 2 0 2 1 1 0 1 0 8 0 pfstitem 24 26 0 24 1 0 1 1 0 8 0 pfstkey 112 40 0 38 1 0 1 1 0 8 0 pfstate 320 29 0 27 2 1 1 2 0 8 0 pfrule 1360 247 0 236 4 2 2 2 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 2018 0 1612 33 6 27 30 0 8 0 art_table 32 2019 0 1612 4 0 4 4 0 8 0 art_node 16 505 0 421 1 0 1 1 0 8 0 sysvmsgpl 40 7 0 4 1 0 1 1 0 8 0 semapl 112 374 0 357 1 0 1 1 0 8 0 shmpl 112 143 0 15 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 8563 0 7119 91 0 91 91 0 8 0 ffsino 272 8563 0 7119 97 0 97 97 0 8 0 nchpl 144 15426 0 13792 63 0 63 63 0 8 0 uvmvnodes 80 5926 0 0 121 0 121 121 0 8 0 vnodes 224 5926 0 0 349 0 349 349 0 8 0 namei 1024 55397 0 55396 3 2 1 2 0 8 0 percpumem 16 104 0 64 1 0 1 1 0 8 0 vcpupl 2048 22 0 0 3 0 3 3 0 8 0 vmpool 560 27 0 5 2 0 2 2 0 8 0 pfiaddrpl 120 90 0 84 3 2 1 1 0 8 0 scsiplug 72 2 0 2 1 1 0 1 0 8 0 scxspl 216 44817 0 44816 16 15 1 8 0 8 0 plimitpl 152 449 0 434 1 0 1 1 0 8 0 sigapl 424 5477 0 5411 8 0 8 8 0 8 0 futexpl 64 47664 0 47663 3 2 1 1 0 8 0 knotepl 120 898 0 0 24 1 23 24 0 8 0 kqueuepl 216 1144 0 1136 21 18 3 5 0 8 2 pipepl 336 686 0 658 8 5 3 8 0 8 0 fdescpl 496 5441 0 5411 5 1 4 5 0 8 0 filepl 152 36846 0 36606 77 64 13 22 0 8 3 lockfpl 104 2469 0 2467 7 6 1 2 0 8 0 lockfspl 48 830 0 828 1 0 1 1 0 8 0 sessionpl 144 41 0 24 1 0 1 1 0 8 0 pgrppl 48 44 0 27 1 0 1 1 0 8 0 ucredpl 96 4966 0 4954 1 0 1 1 0 8 0 zombiepl 144 5411 0 5411 2 1 1 1 0 8 1 processpl 1064 5477 0 5411 5 0 5 5 0 8 0 procpl 672 16045 0 15966 18 10 8 10 0 8 0 srpgc 96 20 0 20 6 6 0 1 0 8 0 sosppl 168 22 0 22 5 5 0 1 0 8 0 sockpl 480 10265 0 10239 218 206 12 28 0 8 8 mcl64k 65536 17 0 0 3 0 3 3 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 22 0 0 2 0 2 2 0 8 0 mcl9k 9216 21 0 0 2 0 2 2 0 8 0 mcl8k 8192 17 0 0 3 0 3 3 0 8 0 mcl4k 4096 33 0 0 4 1 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 210 0 0 21 1 20 21 0 8 2 mtagpl 96 702 0 0 15 0 15 15 0 8 0 mbufpl 256 1221 0 0 61 0 61 61 0 8 0 bufpl 288 10761 0 4425 453 0 453 453 0 8 0 anonpl 24 1518172 0 1496699 230 85 145 153 0 186 8 amapchunkpl 152 164242 0 163246 76 34 42 49 0 158 1 amappl16 200 13595 0 12968 71 31 40 45 0 8 6 amappl15 192 1235 0 1230 1 0 1 1 0 8 0 amappl14 184 1357 0 1351 1 0 1 1 0 8 0 amappl13 176 947 0 942 1 0 1 1 0 8 0 amappl12 168 529 0 522 1 0 1 1 0 8 0 amappl11 160 946 0 928 1 0 1 1 0 8 0 amappl10 152 960 0 950 1 0 1 1 0 8 0 amappl9 144 592 0 588 1 0 1 1 0 8 0 amappl8 136 1202 0 1114 4 0 4 4 0 8 0 amappl7 128 344 0 333 1 0 1 1 0 8 0 amappl6 120 383 0 361 2 1 1 2 0 8 0 amappl5 112 5039 0 5019 1 0 1 1 0 8 0 amappl4 104 3113 0 3082 2 1 1 2 0 8 0 amappl3 96 1258 0 1242 1 0 1 1 0 8 0 amappl2 88 1764 0 1713 3 1 2 3 0 8 0 amappl1 80 102736 0 102157 19 5 14 19 0 8 0 amappl 88 67326 0 67032 8 0 8 8 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 72 145 0 15 3 0 3 3 0 8 0 uaddrrnd 24 5468 0 5416 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 5468 0 5416 1 0 1 1 0 8 0 vmmpekpl 168 44594 0 44529 4 0 4 4 0 8 0 vmmpepl 168 503429 0 500725 244 116 128 149 0 357 4 vmsppl 368 5467 0 5416 7 2 5 5 0 8 0 rwobjpl 56 128956 0 121228 114 2 112 112 0 8 0 pdppl 4096 10943 0 10854 398 307 91 91 0 8 2 pvpl 32 2655308 0 2630110 453 228 225 264 0 265 15 pmappl 248 5467 0 5416 5 1 4 4 0 8 0 extentpl 40 58 0 38 1 0 1 1 0 8 0 phpool 112 1365 0 477 26 0 26 26 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{0}> trace x86_ipi_db(ffffffff82913ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:393 x86_ipi_handler() at x86_ipi_handler+0xb7 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f kd_curproc sys/dev/kcov.c:578 [inline] __sanitizer_cov_trace_pc() at __sanitizer_cov_trace_pc+0x2f sys/dev/kcov.c:148 __mp_lock(ffffffff82a15990) at __mp_lock+0x133 __mp_lock_spin sys/kern/kern_lock.c:116 [inline] __mp_lock(ffffffff82a15990) at __mp_lock+0x133 sys/kern/kern_lock.c:147 intr_handler(ffff80002122df50,ffff80000004ad00) at intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 Xintr_ioapic_edge21_untramp() at Xintr_ioapic_edge21_untramp+0x18f Xspllower() at Xspllower+0x19 uvm_pmr_getpages(1,0,0,1,0,1,228aa521004ab81e,fffffd805e9eba38) at uvm_pmr_getpages+0xf21 sys/uvm/uvm_pmemrange.c:1208 uvm_pagealloc(0,0,fffffd805e9eba38,2) at uvm_pagealloc+0x1a4 sys/uvm/uvm_page.c:911 uvm_fault_lower(ffff80002122e3f0,ffff80002122e428,ffff80002122e370,0) at uvm_fault_lower+0x1aa uvm_fault(fffffd807ddde030,d2eea0ec000,0,2) at uvm_fault+0x248 upageflttrap(ffff80002122e560,d2eea0ec722) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181 usertrap(ffff80002122e560) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403 recall_trap() at recall_trap+0x8 end of kernel end trace frame: 0x7f7fffffb560, count: -15 ddb{0}> machine ddbcpu 1 Stopped at pf_anchor_global_RB_REMOVE+0x58: movq 0(%r12),%rbx ddb{1}> trace pf_anchor_global_RB_REMOVE(ffffffff82b20c08,ffff800000c02800) at pf_anchor_global_RB_REMOVE+0x58 sys/net/pf_ruleset.c:84 pf_remove_if_empty_ruleset(ffff800000c02c90) at pf_remove_if_empty_ruleset+0xdd sys/net/pf_ruleset.c:300 pfioctl(4900,cd60441a,ffff800000c05000,3,ffff8000fffeba40) at pfioctl+0x925e sys/net/pf_ioctl.c:1719 VOP_IOCTL(fffffd8079d57c68,cd60441a,ffff800000c05000,3,fffffd807f7d85a0,ffff8000fffeba40) at VOP_IOCTL+0x96 sys/kern/vfs_vops.c:264 vn_ioctl(fffffd8066bcae60,cd60441a,ffff800000c05000,ffff8000fffeba40) at vn_ioctl+0xbc sys/kern/vfs_vnops.c:531 sys_ioctl(ffff8000fffeba40,ffff80002c950958,ffff80002c9509b0) at sys_ioctl+0x4a2 syscall(ffff80002c950a20) at syscall+0x489 mi_syscall sys/sys/syscall_mi.h:102 [inline] syscall(ffff80002c950a20) at syscall+0x489 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x376a19e2ce0, count: -8