uvm_fault(0xfffffd806b625890, 0x4c8, 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(0xfffffd806b625890, 0x4c8, 0, 1) -> e pfr_detach_table(4) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 end trace frame: 0xffff800021de76f0, count: 0 ddb> trace pfr_detach_table(4) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 pf_tbladdr_remove(ffff80000208dce0) at pf_tbladdr_remove+0x4e sys/net/pf.c:1525 pf_rm_rule(0,ffff80000208da98) at pf_rm_rule+0x40c sys/net/pf_ioctl.c:311 pfioctl(4900,cd604404,ffff8000009f8000,2,ffff8000ffff3160) at pfioctl+0x3082 VOP_IOCTL(fffffd805d5d3410,cd604404,ffff8000009f8000,2,fffffd806c3bea80,ffff8000ffff3160) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8050d1a0f0,cd604404,ffff8000009f8000,ffff8000ffff3160) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3160,ffff800021de7b98,ffff800021de7be0) at sys_ioctl+0x5b9 syscall(ffff800021de7c60) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xecb5dae7ed0, count: -9 ddb> show registers rdi 0xffffffff81247e70 pfr_detach_table+0x20 rsi 0xdc rbp 0xffff800021de76b0 rbx 0xffff80000208dce0 rdx 0xdd rcx 0xffff80001f63e000 rax 0xffff80001f63e000 r8 0x550 r9 0x1 r10 0xdd0185ae869477e r11 0x4ac84bf665a968df r12 0xffff80000208ddf0 r13 0xffff80000208dd68 r14 0x4 r15 0x4 rip 0xffffffff81247e70 pfr_detach_table+0x20 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021de7680 ss 0x10 pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb> show proc PROC (syz-executor.0) pid=146518 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffff3650,0xffffffff82542b50 process=0xffff8000ffff7b50 user=0xffff800021de2000, vmspace=0xfffffd806b625890 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 69495 115559 21646 0 2 0 syz-executor.0 *69495 146518 21646 0 7 0x4000000 syz-executor.0 21646 268155 70273 0 3 0x82 nanosleep syz-executor.0 88897 357438 70273 0 2 0x2 syz-executor.1 58519 404750 0 0 3 0x14200 bored sosplice 70273 459047 58891 0 3 0x82 thrsleep syz-fuzzer 70273 318550 58891 0 3 0x4000082 nanosleep syz-fuzzer 70273 151293 58891 0 3 0x4000082 thrsleep syz-fuzzer 70273 272689 58891 0 3 0x4000082 thrsleep syz-fuzzer 70273 416196 58891 0 3 0x4000082 thrsleep syz-fuzzer 70273 1865 58891 0 3 0x4000082 thrsleep syz-fuzzer 70273 431980 58891 0 3 0x4000082 thrsleep syz-fuzzer 70273 482855 58891 0 3 0x4000082 kqread syz-fuzzer 58891 119546 96985 0 3 0x10008a pause ksh 96985 348309 66829 0 3 0x92 select sshd 17624 24707 1 0 3 0x100083 ttyin getty 66829 180636 1 0 3 0x80 select sshd 32403 95231 84739 73 3 0x100090 kqread syslogd 84739 256097 1 0 3 0x100082 netio syslogd 37267 260896 1 77 3 0x100090 poll dhclient 69087 421000 1 0 3 0x80 poll dhclient 6672 221362 0 0 2 0x14200 zerothread 39821 239354 0 0 3 0x14200 aiodoned aiodoned 36696 8221 0 0 3 0x14200 syncer update 27472 53863 0 0 3 0x14200 cleaner cleaner 66932 261161 0 0 3 0x14200 reaper reaper 63956 442075 0 0 3 0x14200 pgdaemon pagedaemon 78020 379820 0 0 3 0x14200 bored crynlk 30695 283284 0 0 3 0x14200 bored crypto 96894 438947 0 0 3 0x40014200 acpi0 acpi0 9496 333139 0 0 3 0x14200 bored softnet 4841 192438 0 0 3 0x14200 bored systqmp 15795 354955 0 0 3 0x14200 bored systq 22414 443091 0 0 3 0x40014200 bored softclock 90561 53893 0 0 3 0x40014200 idle0 30844 265662 0 0 3 0x14200 bored smr 1 2783 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 9463 6351K 6606K 78643K 26134 0 pcb 13 8K 8K 78643K 588 0 rtable 121 6K 6K 78643K 843 0 ifaddr 55 14K 14K 78643K 356 0 counters 19 16K 16K 78643K 19 0 ioctlops 1 4K 4K 78643K 10240 0 iov 0 0K 32K 78643K 1915 0 mount 1 1K 1K 78643K 1 0 vnodes 1225 77K 77K 78643K 10153 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 9K 78643K 869 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 69 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 57806 0 sigio 1 0K 0K 78643K 1078 0 proc 48 38K 63K 78643K 1582 0 subproc 32 2K 2K 78643K 102 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 8 0K 6K 78643K 60841 0 in_multi 33 2K 2K 78643K 554 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 61 281K 281K 78643K 61 0 exec 0 0K 1K 78643K 399 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 4147 21492K 21508K 78643K 123527 0 UVM aobj 130 4K 4K 78643K 147 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 573 0 NDP 6 0K 0K 78643K 69 0 temp 115 3032K 3097K 78643K 527387 0 kqueue 0 0K 0K 78643K 80 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 16 0 10 1 0 1 1 0 8 0 rtpcb 80 3483 0 3481 1 0 1 1 0 8 0 rtentry 112 87 0 43 2 0 2 2 0 8 0 unpcb 120 30364 0 30354 18 17 1 3 0 8 0 syncache 264 36 0 36 2 2 0 1 0 8 0 sackhl 24 7 0 7 4 4 0 1 0 8 0 tcpqe 32 10 0 10 1 1 0 1 0 8 0 tcpcb 544 10001 0 9997 1 0 1 1 0 8 0 ipq 40 156 0 156 2 2 0 1 0 8 0 ipqe 40 328 0 328 2 2 0 1 0 8 0 inpcb 280 61251 0 61240 96 93 3 5 0 8 2 nd6 48 12 0 8 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 pfosfp 40 7 0 6 2 1 1 1 0 8 0 pfosfpen 112 7 0 6 2 1 1 1 0 8 0 pfrktable 1344 36 0 29 2 1 1 1 0 8 0 pftag 88 67 0 58 1 0 1 1 0 8 0 pfqueue 264 8 0 0 1 0 1 1 0 8 0 pfrule 1360 1564 0 570 94 11 83 83 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 388 0 172 14 0 14 14 0 8 0 art_table 32 389 0 172 2 0 2 2 0 8 0 art_node 16 86 0 46 1 0 1 1 0 8 0 sysvmsgpl 40 31 0 31 2 2 0 1 0 8 0 semapl 112 67 0 57 1 0 1 1 0 8 0 shmpl 112 145 0 17 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 65263 0 63697 51 0 51 51 0 8 0 ffsino 240 65263 0 63697 93 0 93 93 0 8 0 nchpl 144 138147 0 136304 74 5 69 69 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 354719 0 354718 1 0 1 1 0 8 0 vcpupl 1984 1500 0 1 188 0 188 188 0 8 0 vmpool 528 1846 0 347 101 1 100 101 0 8 0 pfiaddrpl 120 10 0 7 1 0 1 1 0 8 0 scxspl 192 381736 0 381736 1 0 1 1 0 8 1 plimitpl 152 62 0 55 1 0 1 1 0 8 0 sigapl 432 57965 0 57952 2 0 2 2 0 8 0 futexpl 56 542312 0 542312 1 0 1 1 0 8 1 knotepl 112 4814 0 4793 4 3 1 2 0 8 0 kqueuepl 104 12837 0 12834 1 0 1 1 0 8 0 pipepl 112 19776 0 19757 5 4 1 2 0 8 0 fdescpl 424 57966 0 57952 2 0 2 2 0 8 0 filepl 120 275086 0 274981 61 56 5 6 0 8 1 lockfpl 104 4209 0 4207 1 0 1 1 0 8 0 lockfspl 48 1796 0 1794 1 0 1 1 0 8 0 sessionpl 112 21 0 11 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 22064 0 22057 1 0 1 1 0 8 0 zombiepl 144 57952 0 57952 1 0 1 1 0 8 1 processpl 872 57981 0 57952 4 0 4 4 0 8 0 procpl 632 117420 0 117383 4 0 4 4 0 8 0 sosppl 128 1837 0 1837 77 76 1 1 0 8 1 sockpl 384 95149 0 95126 199 194 5 10 0 8 2 mcl64k 65536 543 0 543 47 47 0 1 0 8 0 mcl16k 16384 86 0 86 30 30 0 1 0 8 0 mcl12k 12288 575 0 575 67 66 1 1 0 8 1 mcl9k 9216 729 0 729 65 65 0 1 0 8 0 mcl8k 8192 521 0 521 65 65 0 1 0 8 0 mcl4k 4096 3350 0 3350 57 56 1 1 0 8 1 mcl2k2 2112 176 0 176 56 56 0 1 0 8 0 mcl2k 2048 94260 0 94221 28 22 6 11 0 8 0 mtagpl 80 13 0 13 4 4 0 1 0 8 0 mbufpl 256 458619 0 458543 43 37 6 11 0 8 0 bufpl 280 70850 0 64666 442 0 442 442 0 8 0 anonpl 16 3622147 0 3613470 131 93 38 45 0 107 0 amapchunkpl 152 187942 0 187847 58 53 5 18 0 158 0 amappl16 192 232208 0 230512 181 95 86 87 0 8 1 amappl15 184 72 0 67 1 0 1 1 0 8 0 amappl14 176 61 0 58 1 0 1 1 0 8 0 amappl13 168 7037 0 7036 2 1 1 1 0 8 0 amappl12 160 36243 0 36243 3 3 0 1 0 8 0 amappl11 152 6384 0 6373 1 0 1 1 0 8 0 amappl10 144 3084 0 3079 1 0 1 1 0 8 0 amappl9 136 5691 0 5688 1 0 1 1 0 8 0 amappl8 128 6023 0 5893 5 0 5 5 0 8 0 amappl7 120 3183 0 3168 1 0 1 1 0 8 0 amappl6 112 6406 0 6368 2 0 2 2 0 8 0 amappl5 104 36640 0 36631 1 0 1 1 0 8 0 amappl4 96 43196 0 42953 7 1 6 7 0 8 0 amappl3 88 16291 0 16283 1 0 1 1 0 8 0 amappl2 80 464704 0 464628 3 1 2 3 0 8 0 amappl1 72 928294 0 927875 26 16 10 20 0 8 0 amappl 80 119191 0 117840 28 0 28 28 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 64 146 0 17 3 0 3 3 0 8 0 uaddrrnd 24 59812 0 58299 10 0 10 10 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 59812 0 58299 10 0 10 10 0 8 0 vmmpekpl 168 264987 0 264949 4 2 2 2 0 8 0 vmmpepl 168 6427842 0 6422820 386 162 224 236 0 357 0 vmsppl 272 59811 0 58299 102 1 101 101 0 8 0 pdppl 4096 119630 0 118097 194 2 192 193 0 8 0 pvpl 32 9660667 0 9651159 329 238 91 115 0 265 0 pmappl 200 59811 0 58299 80 0 80 80 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 775 0 273 15 0 15 15 0 8 0