uvm_fault(0xfffffd8053a71220, 0x4da, 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(0xfffffd8053a71220, 0x4da, 0, 1) -> e pfr_detach_table(16) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 end trace frame: 0xffff80001f631db0, count: 0 ddb> trace pfr_detach_table(16) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 pf_tbladdr_remove(ffff800000ee9550) at pf_tbladdr_remove+0x4e sys/net/pf.c:1525 pf_rm_rule(0,ffff800000ee9550) at pf_rm_rule+0x3f3 sys/net/pf_ioctl.c:307 pfioctl(4900,cd604404,ffff8000006be000,2,ffff8000ffff3160) at pfioctl+0x3082 VOP_IOCTL(fffffd805d6c05b0,cd604404,ffff8000006be000,2,fffffd806c3be9c0,ffff8000ffff3160) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd805fb438e8,cd604404,ffff8000006be000,ffff8000ffff3160) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3160,ffff80001f632258,ffff80001f6322a0) at sys_ioctl+0x5b9 syscall(ffff80001f632320) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x8215c0149a0, count: -9 ddb> show registers rdi 0xffffffff820f1900 pfr_detach_table+0x20 rsi 0x1a9 rbp 0xffff80001f631d70 rbx 0xffff800000ee9798 rdx 0x1aa rcx 0xffff80002043f000 rax 0xffff80002043f000 r8 0xf8 r9 0x5 r10 0xffff8000009fa700 r11 0xaf783292fdb84d36 r12 0xffff800000ee98a8 r13 0xffff800000ee9820 r14 0x16 r15 0x16 rip 0xffffffff820f1900 pfr_detach_table+0x20 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001f631d40 ss 0x10 pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb> show proc PROC (syz-executor.0) pid=105908 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff2290,0xffffffff8256b098 process=0xffff8000ffff6a48 user=0xffff80001f62d000, vmspace=0xfffffd8053a71220 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 17523 387893 42516 0 2 0 syz-executor.0 *17523 105908 42516 0 7 0x4000000 syz-executor.0 42516 146993 49479 0 3 0x82 nanosleep syz-executor.0 46537 149229 49479 0 2 0x2 syz-executor.1 35494 366629 0 0 3 0x14200 bored sosplice 49479 164083 36003 0 3 0x82 thrsleep syz-fuzzer 49479 492147 36003 0 3 0x4000082 nanosleep syz-fuzzer 49479 412962 36003 0 3 0x4000082 kqread syz-fuzzer 49479 379615 36003 0 3 0x4000082 thrsleep syz-fuzzer 49479 228004 36003 0 3 0x4000082 thrsleep syz-fuzzer 49479 148400 36003 0 3 0x4000082 thrsleep syz-fuzzer 49479 56181 36003 0 3 0x4000082 thrsleep syz-fuzzer 49479 113486 36003 0 3 0x4000082 thrsleep syz-fuzzer 36003 62173 17410 0 3 0x10008a pause ksh 17410 49586 29503 0 3 0x92 select sshd 13711 309951 1 0 3 0x100083 ttyin getty 29503 4227 1 0 3 0x80 select sshd 59360 139426 46429 73 3 0x100090 kqread syslogd 46429 184122 1 0 3 0x100082 netio syslogd 72447 92990 1 77 3 0x100090 poll dhclient 48424 360118 1 0 3 0x80 poll dhclient 54595 271210 0 0 2 0x14200 zerothread 55082 311792 0 0 3 0x14200 aiodoned aiodoned 69134 157706 0 0 3 0x14200 syncer update 20562 176171 0 0 3 0x14200 cleaner cleaner 35348 490647 0 0 3 0x14200 reaper reaper 51901 482789 0 0 3 0x14200 pgdaemon pagedaemon 28763 349257 0 0 3 0x14200 bored crynlk 53035 134525 0 0 3 0x14200 bored crypto 86191 499508 0 0 3 0x40014200 acpi0 acpi0 93166 419340 0 0 3 0x14200 bored softnet 22712 461082 0 0 3 0x14200 bored systqmp 95241 169905 0 0 3 0x14200 bored systq 59002 70385 0 0 3 0x40014200 bored softclock 1458 509775 0 0 3 0x40014200 idle0 80576 300814 0 0 3 0x14200 bored smr 1 39160 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 9470 6336K 6785K 78643K 24478 0 pcb 13 8K 8K 78643K 338 0 rtable 114 5K 5K 78643K 521 0 ifaddr 54 13K 13K 78643K 692 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 4K 4K 78643K 2826 0 iov 0 0K 24K 78643K 966 0 mount 1 1K 1K 78643K 1 0 vnodes 1221 77K 77K 78643K 23539 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 175 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 347 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 43588 0 sigio 0 0K 0K 78643K 192 0 proc 154 45K 69K 78643K 5428 0 subproc 32 2K 2K 78643K 85 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 1404 0 in_multi 33 2K 2K 78643K 116 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 103 466K 466K 78643K 103 0 exec 0 0K 1K 78643K 289 0 pfkey data 0 0K 4K 78643K 187 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 650 4086K 4086K 78643K 91693 0 UVM aobj 130 4K 4K 78643K 380 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 1236 0 NDP 6 0K 0K 78643K 19 0 temp 111 3024K 3094K 78643K 312029 0 kqueue 0 0K 0K 78643K 466 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 12 0 6 1 0 1 1 0 8 0 rtpcb 80 976 0 974 1 0 1 1 0 8 0 rtentry 112 75 0 31 2 0 2 2 0 8 0 unpcb 120 25858 0 25850 9 8 1 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 12 0 12 7 7 0 1 0 8 0 tcpqe 32 7 0 7 1 1 0 1 0 8 0 tcpcb 544 2623 0 2619 5 4 1 4 0 8 0 inpcb 280 20227 0 20220 27 26 1 4 0 8 0 nd6 48 10 0 6 1 0 1 1 0 8 0 pkpcb 40 1853 0 1853 1 1 0 1 0 8 0 pfosfp 40 3 0 2 1 0 1 1 0 8 0 pfosfpen 112 3 0 2 1 0 1 1 0 8 0 pfrktable 1344 97 0 93 1 0 1 1 0 8 0 pftag 88 20 0 16 2 1 1 1 0 8 0 pfqueue 264 6 0 0 1 0 1 1 0 8 0 pfrule 1360 1151 0 794 32 2 30 30 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 342 0 129 14 0 14 14 0 8 0 art_table 32 343 0 129 2 0 2 2 0 8 0 art_node 16 74 0 34 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semapl 112 345 0 335 1 0 1 1 0 8 0 shmpl 112 378 0 250 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 65288 0 63820 48 0 48 48 0 8 0 ffsino 240 65288 0 63820 87 0 87 87 0 8 0 nchpl 144 121324 0 119553 66 0 66 66 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 411138 0 411138 1 0 1 1 0 8 1 vcpupl 1984 251 0 0 32 0 32 32 0 8 0 vmpool 528 251 0 0 17 0 17 17 0 8 0 pfiaddrpl 120 59 0 21 2 0 2 2 0 8 0 scxspl 192 290753 0 290753 1 0 1 1 0 8 1 plimitpl 152 1923 0 1916 1 0 1 1 0 8 0 sigapl 432 43750 0 43737 2 0 2 2 0 8 0 futexpl 56 434896 0 434896 1 0 1 1 0 8 1 knotepl 112 13022 0 13002 2 1 1 2 0 8 0 kqueuepl 104 21652 0 21649 1 0 1 1 0 8 0 pipepl 112 36020 0 35999 34 33 1 2 0 8 0 fdescpl 424 43751 0 43737 2 0 2 2 0 8 0 filepl 120 303215 0 303116 75 70 5 6 0 8 2 lockfpl 104 6502 0 6501 1 0 1 1 0 8 0 lockfspl 48 2538 0 2537 1 0 1 1 0 8 0 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 208 0 198 1 0 1 1 0 8 0 ucredpl 96 104840 0 104833 1 0 1 1 0 8 0 zombiepl 144 43737 0 43737 1 0 1 1 0 8 1 processpl 872 43766 0 43737 4 0 4 4 0 8 0 procpl 632 90169 0 90132 4 0 4 4 0 8 0 sosppl 128 269 0 269 4 4 0 1 0 8 0 sockpl 384 48914 0 48897 98 94 4 7 0 8 2 mcl64k 65536 85 0 85 26 25 1 1 0 8 1 mcl16k 16384 40 0 40 18 18 0 1 0 8 0 mcl12k 12288 274 0 274 40 40 0 1 0 8 0 mcl9k 9216 226 0 226 38 38 0 1 0 8 0 mcl8k 8192 493 0 493 40 39 1 1 0 8 1 mcl4k 4096 2025 0 2025 45 44 1 1 0 8 1 mcl2k2 2112 123 0 123 50 50 0 1 0 8 0 mcl2k 2048 69872 0 69833 22 16 6 10 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 296407 0 296329 37 30 7 30 0 8 0 bufpl 280 55592 0 49408 442 0 442 442 0 8 0 anonpl 16 2456509 0 2452005 31 10 21 21 0 107 0 amapchunkpl 152 138403 0 138314 14 10 4 6 0 158 0 amappl16 192 175717 0 175507 18 5 13 13 0 8 2 amappl15 184 10041 0 10036 1 0 1 1 0 8 0 amappl14 176 43 0 41 1 0 1 1 0 8 0 amappl13 168 17 0 16 2 1 1 1 0 8 0 amappl12 160 9248 0 9247 1 0 1 1 0 8 0 amappl11 152 56 0 45 1 0 1 1 0 8 0 amappl10 144 2855 0 2851 1 0 1 1 0 8 0 amappl9 136 22043 0 22039 1 0 1 1 0 8 0 amappl8 128 21836 0 21757 3 0 3 3 0 8 0 amappl7 120 2960 0 2948 1 0 1 1 0 8 0 amappl6 112 58 0 52 1 0 1 1 0 8 0 amappl5 104 9497 0 9485 1 0 1 1 0 8 0 amappl4 96 34620 0 34595 1 0 1 1 0 8 0 amappl3 88 9762 0 9753 1 0 1 1 0 8 0 amappl2 80 357031 0 356956 3 1 2 3 0 8 0 amappl1 72 700121 0 699708 25 15 10 20 0 8 0 amappl 80 90687 0 90403 6 0 6 6 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 64 379 0 250 3 0 3 3 0 8 0 uaddrrnd 24 44002 0 43737 2 0 2 2 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 44002 0 43737 2 0 2 2 0 8 0 vmmpekpl 168 209605 0 209572 2 0 2 2 0 8 0 vmmpepl 168 4793513 0 4791915 147 71 76 78 0 357 2 vmsppl 272 44001 0 43737 19 1 18 18 0 8 0 pdppl 4096 88010 0 87725 38 2 36 37 0 8 0 pvpl 32 7121999 0 7114416 284 213 71 115 0 265 5 pmappl 200 44001 0 43737 15 1 14 15 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 390 0 183 6 0 6 6 0 8 0