uvm_fault(0xfffffd806721dab0, 0x2000004c4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806721dab0, 0x2000004c4, 0, 1) -> e pfr_detach_table(200000000) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 end trace frame: 0xffff80001e4672c0, count: 0 ddb> trace pfr_detach_table(200000000) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 pf_tbladdr_remove(ffff800000abdd98) at pf_tbladdr_remove+0x4e sys/net/pf.c:1525 pf_rm_rule(0,ffff800000abdac8) at pf_rm_rule+0x404 sys/net/pf_ioctl.c:310 pfioctl(4900,cd604404,ffff8000009fa000,2,ffff8000ffff2508) at pfioctl+0x3082 VOP_IOCTL(fffffd805d66a4e0,cd604404,ffff8000009fa000,2,fffffd806c3be6c0,ffff8000ffff2508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd806b6adcb0,cd604404,ffff8000009fa000,ffff8000ffff2508) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff2508,ffff80001e467768,ffff80001e4677b0) at sys_ioctl+0x5b9 syscall(ffff80001e467830) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f59ca19400, count: -9 ddb> show registers rdi 0xffffffff815335c0 pfr_detach_table+0x20 rsi 0xae4 rbp 0xffff80001e467280 rbx 0xffff800000abdd10 rdx 0xae5 rcx 0xffff80001d437000 rax 0xffff80001d437000 r8 0xf8 r9 0x5 r10 0xffff8000009f2040 r11 0x4dc8c0525e7f2fd0 r12 0xffff800000abde20 r13 0xffff800000abdd98 r14 0x200000000 r15 0x200000000 rip 0xffffffff815335c0 pfr_detach_table+0x20 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e467250 ss 0x10 pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb> show proc PROC (syz-executor.0) pid=126657 stat=onproc flags process=10 proc=4000000 pri=75, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2780,0xffff8000ffff3660 process=0xffff8000ffff6a48 user=0xffff80001e462000, vmspace=0xfffffd806721dab0 estcpu=25, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 34337 73718 89553 0 2 0x10 syz-executor.0 *34337 126657 89553 0 7 0x4000010 syz-executor.0 5793 249887 77175 0 3 0x80 nanosleep syz-executor.1 5793 221191 77175 0 3 0x4000080 netio syz-executor.1 5793 438350 77175 0 3 0x4000080 netio syz-executor.1 5793 123840 77175 0 3 0x4000080 fsleep syz-executor.1 77175 284612 9709 0 3 0x82 nanosleep syz-executor.1 89553 515899 9709 0 3 0x82 nanosleep syz-executor.0 9709 485762 45572 0 3 0x82 thrsleep syz-fuzzer 9709 426863 45572 0 3 0x4000082 nanosleep syz-fuzzer 9709 2298 45572 0 3 0x4000082 thrsleep syz-fuzzer 9709 179875 45572 0 3 0x4000082 thrsleep syz-fuzzer 9709 93677 45572 0 3 0x4000082 thrsleep syz-fuzzer 9709 23800 45572 0 3 0x4000082 thrsleep syz-fuzzer 9709 485526 45572 0 3 0x4000082 thrsleep syz-fuzzer 9709 269863 45572 0 3 0x4000082 kqread syz-fuzzer 45572 391981 13750 0 3 0x10008a pause ksh 13750 3252 87986 0 3 0x92 select sshd 99213 25641 1 0 3 0x100083 ttyin getty 87986 38407 1 0 3 0x80 select sshd 27388 1829 88904 73 3 0x100090 kqread syslogd 88904 3063 1 0 3 0x100082 netio syslogd 11962 67459 1 77 3 0x100090 poll dhclient 93402 464261 1 0 3 0x80 poll dhclient 18788 271214 0 0 2 0x14200 zerothread 45564 449817 0 0 3 0x14200 aiodoned aiodoned 33324 114547 0 0 3 0x14200 syncer update 36140 438469 0 0 3 0x14200 cleaner cleaner 67193 2575 0 0 3 0x14200 reaper reaper 70861 82936 0 0 3 0x14200 pgdaemon pagedaemon 77502 41896 0 0 3 0x14200 bored crynlk 15704 151294 0 0 3 0x14200 bored crypto 46051 295251 0 0 3 0x40014200 acpi0 acpi0 89255 279493 0 0 3 0x14200 bored softnet 98646 438887 0 0 3 0x14200 bored systqmp 47270 3832 0 0 3 0x14200 bored systq 53077 200350 0 0 3 0x40014200 bored softclock 12456 430129 0 0 3 0x40014200 idle0 26544 177971 0 0 3 0x14200 bored smr 1 25848 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9452 6332K 6348K 78643K 17814 0 pcb 13 8K 8K 78643K 45 0 rtable 108 3K 3K 78643K 198 0 ifaddr 43 11K 11K 78643K 43 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 4K 4K 78643K 1042 0 iov 0 0K 16K 78643K 624 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1971 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 275 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 293 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 6 17K 25K 78643K 12197 0 proc 66 39K 63K 78643K 377 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 12 0 in_multi 33 2K 2K 78643K 37 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 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 181 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 130 55K 55K 78643K 26910 0 UVM aobj 130 8K 8K 78643K 294 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 5 0K 0K 78643K 9 0 temp 105 3020K 3084K 78643K 29122 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 rtpcb 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 30946 0 30920 9 7 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 7 0 7 3 3 0 1 0 8 0 tcpqe 32 29 0 29 1 1 0 1 0 8 0 tcpcb 544 46 0 42 1 0 1 1 0 8 0 inpcb 280 1074 0 1067 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 pfrktable 1344 1 0 0 1 0 1 1 0 8 0 pftag 88 2 0 2 1 0 1 1 0 8 1 pfrule 1360 420 0 4 35 0 35 35 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 0 14 0 14 14 0 8 0 art_table 32 213 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 semapl 112 291 0 281 1 0 1 1 0 8 0 shmpl 112 292 0 164 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 13873 0 12472 46 0 46 46 0 8 0 ffsino 240 13873 0 12472 83 0 83 83 0 8 0 nchpl 144 27414 0 25799 60 0 60 60 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 208 5926 0 0 312 0 312 312 0 8 0 namei 1024 79071 0 79071 1 0 1 1 0 8 1 vcpupl 1984 3 0 0 1 0 1 1 0 8 0 vmpool 528 3 0 0 1 0 1 1 0 8 0 scxspl 192 78589 0 78589 1 0 1 1 0 8 1 plimitpl 152 14 0 7 1 0 1 1 0 8 0 sigapl 432 12368 0 12354 2 0 2 2 0 8 0 futexpl 56 119635 0 119634 1 0 1 1 0 8 0 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipepl 112 1270 0 1251 1 0 1 1 0 8 0 fdescpl 424 12369 0 12354 2 0 2 2 0 8 0 filepl 120 70410 0 70293 18 13 5 5 0 8 1 lockfpl 104 1311 0 1310 1 0 1 1 0 8 0 lockfspl 48 634 0 633 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 693 0 683 1 0 1 1 0 8 0 ucredpl 96 6362 0 6350 1 0 1 1 0 8 0 zombiepl 144 12354 0 12354 1 0 1 1 0 8 1 processpl 872 12383 0 12354 4 0 4 4 0 8 0 procpl 632 26128 0 26088 4 0 4 4 0 8 0 sockpl 384 32039 0 32004 32 26 6 7 0 8 2 mcl64k 65536 45 0 45 6 6 0 1 0 8 0 mcl16k 16384 128 0 128 12 11 1 1 0 8 1 mcl12k 12288 756 0 756 17 16 1 1 0 8 1 mcl9k 9216 358 0 358 11 10 1 1 0 8 1 mcl8k 8192 2502 0 2502 9 8 1 1 0 8 1 mcl4k 4096 1219 0 1219 36 35 1 1 0 8 1 mcl2k2 2112 565 0 565 26 26 0 1 0 8 0 mcl2k 2048 39854 0 39814 23 17 6 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 139292 0 139176 16 7 9 12 0 8 0 bufpl 280 18396 0 12212 442 0 442 442 0 8 0 anonpl 16 752877 0 748291 22 2 20 20 0 107 1 amapchunkpl 152 42701 0 42612 9 4 5 6 0 158 0 amappl16 192 56104 0 55882 12 0 12 12 0 8 0 amappl15 184 50 0 46 1 0 1 1 0 8 0 amappl14 176 28 0 25 1 0 1 1 0 8 0 amappl12 160 5872 0 5869 2 1 1 1 0 8 0 amappl11 152 48 0 36 1 0 1 1 0 8 0 amappl10 144 19 0 16 1 0 1 1 0 8 0 amappl9 136 564 0 561 1 0 1 1 0 8 0 amappl8 128 243 0 200 2 0 2 2 0 8 0 amappl7 120 92 0 82 1 0 1 1 0 8 0 amappl6 112 62 0 57 1 0 1 1 0 8 0 amappl5 104 6039 0 6029 1 0 1 1 0 8 0 amappl4 96 12709 0 12679 1 0 1 1 0 8 0 amappl3 88 1261 0 1253 1 0 1 1 0 8 0 amappl2 80 100073 0 99996 3 1 2 3 0 8 0 amappl1 72 234254 0 233804 26 17 9 20 0 8 0 amappl 80 26414 0 26376 1 0 1 1 0 84 0 dma4096 4096 1 0 1 1 1 0 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 64 293 0 164 3 0 3 3 0 8 0 uaddrrnd 24 12372 0 12354 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 12372 0 12354 1 0 1 1 0 8 0 vmmpekpl 168 58119 0 58096 2 0 2 2 0 8 0 vmmpepl 168 1408080 0 1406618 108 44 64 78 0 357 0 vmsppl 272 12371 0 12354 3 1 2 2 0 8 0 pdppl 4096 24750 0 24711 6 1 5 6 0 8 0 pvpl 32 2139918 0 2132204 137 73 64 115 0 265 1 pmappl 200 12371 0 12354 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 251 0 88 5 0 5 5 0 8 0