uvm_fault(0xfffffd807f000730, 0x4c9, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xfffffd807f000730, 0x4c9, 0, 1) -> e pfr_detach_table(5) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 end trace frame: 0xffff800022da2af0, count: 0 ddb{1}> trace pfr_detach_table(5) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 pf_tbladdr_remove(ffff8000016418d8) at pf_tbladdr_remove+0x4e sys/net/pf.c:1525 pf_rm_rule(0,ffff800001641580) at pf_rm_rule+0x414 sys/net/pf_ioctl.c:312 pfioctl(4900,cd604404,ffff800000a1d000,2,ffff800020ad6290) at pfioctl+0x3082 VOP_IOCTL(fffffd806f6d01c0,cd604404,ffff800000a1d000,2,fffffd807f7bea20,ffff800020ad6290) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd806c99a3a0,cd604404,ffff800000a1d000,ffff800020ad6290) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800020ad6290,ffff800022da2f98,ffff800022da2fe0) at sys_ioctl+0x5b9 syscall(ffff800022da3060) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800022da3060) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xb34e3df8700, count: -9 ddb{1}> show registers rdi 0xffffffff8152c000 pfr_detach_table+0x20 rsi 0xc9d rbp 0xffff800022da2ab0 rbx 0xffff8000016417c8 rdx 0xc9e rcx 0xffff800021b8c000 rax 0xffff800021b8c000 r8 0xffffffff813e4262 pfi_kif_ref+0x32 r9 0x5 r10 0x4 r11 0x9d99650a8f8a3186 r12 0xffff8000016418d8 r13 0xffff800001641850 r14 0x5 r15 0x5 rip 0xffffffff8152c000 pfr_detach_table+0x20 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800022da2a80 ss 0x10 pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb{1}> show proc PROC (syz-executor.1) pid=486233 stat=onproc flags process=0 proc=4000000 pri=75, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff800020ad73d8,0xffffffff8265e018 process=0xffff800020af4728 user=0xffff800022d9e000, vmspace=0xfffffd807f000730 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 80718 210403 35980 0 7 0 syz-executor.1 *80718 486233 35980 0 7 0x4000000 syz-executor.1 35980 202823 26834 0 3 0x82 nanosleep syz-executor.1 85725 388646 26834 0 3 0x82 nanosleep syz-executor.0 26834 516311 85580 0 3 0x82 thrsleep syz-fuzzer 26834 516920 85580 0 3 0x4000082 nanosleep syz-fuzzer 26834 138020 85580 0 3 0x4000082 thrsleep syz-fuzzer 26834 229409 85580 0 3 0x4000082 thrsleep syz-fuzzer 26834 364059 85580 0 3 0x4000082 thrsleep syz-fuzzer 26834 261811 85580 0 3 0x4000082 thrsleep syz-fuzzer 26834 223813 85580 0 3 0x4000082 thrsleep syz-fuzzer 26834 262616 85580 0 3 0x4000082 thrsleep syz-fuzzer 26834 56678 85580 0 3 0x4000082 thrsleep syz-fuzzer 26834 154575 85580 0 3 0x4000082 kqread syz-fuzzer 85580 273110 51417 0 3 0x10008a pause ksh 51417 305361 11586 0 3 0x92 select sshd 64325 505898 1 0 3 0x100083 ttyin getty 11586 18479 1 0 3 0x80 select sshd 40355 255614 13590 74 3 0x100092 bpf pflogd 13590 35006 1 0 3 0x80 netio pflogd 57413 296625 6036 73 3 0x100090 kqread syslogd 6036 251328 1 0 3 0x100082 netio syslogd 87503 346663 1 77 3 0x100090 poll dhclient 51088 210118 1 0 3 0x80 poll dhclient 10806 172099 0 0 3 0x14200 pgzero zerothread 78815 130467 0 0 3 0x14200 aiodoned aiodoned 71707 214985 0 0 3 0x14200 syncer update 8084 56799 0 0 3 0x14200 cleaner cleaner 93673 162350 0 0 3 0x14200 reaper reaper 62817 186505 0 0 3 0x14200 pgdaemon pagedaemon 78500 397948 0 0 3 0x14200 bored crynlk 11345 109616 0 0 3 0x14200 bored crypto 27635 112624 0 0 3 0x40014200 acpi0 acpi0 42796 460423 0 0 3 0x40014200 idle1 71107 61836 0 0 3 0x14200 bored softnet 40700 446831 0 0 3 0x14200 bored systqmp 60336 198121 0 0 3 0x14200 bored systq 26445 369790 0 0 3 0x40014200 bored softclock 12309 304822 0 0 3 0x40014200 idle0 89292 12545 0 0 3 0x14200 bored smr 1 500662 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 80718 (syz-executor.1) thread 0xffff800020ad6290 (486233) exclusive rwlock netlock r = 0 (0xffffffff82455b78) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 pfioctl+0x15f sys/net/pf_ioctl.c:1028 #2 VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 #3 vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 #4 sys_ioctl+0x5b9 #5 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #5 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #6 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82631498) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9473 6398K 6416K 78643K 16388 0 pcb 13 8K 8K 78643K 828 0 rtable 122 7K 7K 78643K 1081 0 ifaddr 86 21K 21K 78643K 2193 0 counters 39 33K 33K 78643K 39 0 ioctlops 1 4K 4K 78643K 15017 0 iov 0 0K 16K 78643K 1156 0 mount 1 1K 1K 78643K 1 0 vnodes 1223 77K 77K 78643K 5245 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 100 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 111 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 5 13K 25K 78643K 14307 0 proc 65 63K 95K 78643K 3224 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 8 0 in_multi 33 2K 2K 78643K 33 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 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 278 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 137 23K 23K 78643K 32570 0 UVM aobj 130 4K 4K 78643K 134 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 6 0K 0K 78643K 10 0 temp 144 3092K 3156K 78643K 40363 0 kqueue 0 0K 0K 78643K 4 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> 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 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 58 0 56 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 12739 0 12729 6 4 2 2 0 8 1 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 4 0 4 3 3 0 1 0 8 0 tcpcb 544 264 0 260 1 0 1 1 0 8 0 inpcb 280 1267 0 1260 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfrktable 1344 428 0 420 3 2 1 1 0 8 0 pftag 88 39 0 0 1 0 1 1 0 8 0 pfstitem 24 21 0 17 1 0 1 1 0 8 0 pfstkey 112 21 0 17 1 0 1 1 0 8 0 pfstate 328 21 0 17 2 1 1 2 0 8 0 pfrule 1360 10992 0 1856 763 1 762 762 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 sysvmsgpl 40 38 0 5 1 0 1 1 0 8 0 semapl 112 109 0 99 1 0 1 1 0 8 0 shmpl 112 132 0 4 5 1 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 16101 0 14691 46 0 46 46 0 8 0 ffsino 272 16101 0 14691 95 0 95 95 0 8 0 nchpl 144 35949 0 34288 62 0 62 62 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 113002 0 113002 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 9 0 0 1 0 1 1 0 8 0 scxspl 192 91295 0 91295 9 8 1 7 0 8 1 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 432 14506 0 14491 3 1 2 3 0 8 0 futexpl 56 111534 0 111534 1 0 1 1 0 8 1 knotepl 112 181 0 162 1 0 1 1 0 8 0 kqueuepl 104 1842 0 1840 1 0 1 1 0 8 0 pipepl 112 144 0 125 1 0 1 1 0 8 0 fdescpl 488 14507 0 14491 3 0 3 3 0 8 0 filepl 152 74807 0 74706 19 13 6 7 0 8 2 lockfpl 104 2530 0 2529 1 0 1 1 0 8 0 lockfspl 48 1212 0 1211 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 1356 0 1345 1 0 1 1 0 8 0 ucredpl 96 7503 0 7494 1 0 1 1 0 8 0 zombiepl 144 14491 0 14490 1 0 1 1 0 8 0 processpl 904 14522 0 14490 4 0 4 4 0 8 0 procpl 632 31767 0 31725 5 1 4 5 0 8 0 sockpl 384 14066 0 14047 23 17 6 6 0 8 4 mcl64k 65536 9 0 0 2 0 2 2 0 8 0 mcl16k 16384 12 0 0 2 0 2 2 0 8 0 mcl12k 12288 25 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 18 0 0 3 0 3 3 0 8 0 mcl4k 4096 20 0 0 3 0 3 3 0 8 0 mcl2k2 2112 17 0 0 2 0 2 2 0 8 0 mcl2k 2048 133 0 0 15 0 15 15 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 422 0 0 15 2 13 14 0 8 0 bufpl 280 20584 0 13514 506 0 506 506 0 8 0 anonpl 16 847704 0 843139 36 15 21 35 0 125 0 amapchunkpl 152 49834 0 49743 6 1 5 6 0 158 0 amappl16 192 59316 0 59102 27 15 12 23 0 8 1 amappl15 184 58 0 55 1 0 1 1 0 8 0 amappl14 176 7133 0 7128 1 0 1 1 0 8 0 amappl13 168 1 0 0 1 0 1 1 0 8 0 amappl12 160 7 0 7 1 1 0 1 0 8 0 amappl11 152 7227 0 7210 1 0 1 1 0 8 0 amappl10 144 16 0 10 1 0 1 1 0 8 0 amappl9 136 605 0 601 1 0 1 1 0 8 0 amappl8 128 255 0 206 2 0 2 2 0 8 0 amappl7 120 103 0 93 1 0 1 1 0 8 0 amappl6 112 7217 0 7210 1 0 1 1 0 8 0 amappl5 104 260 0 245 1 0 1 1 0 8 0 amappl4 96 14773 0 14742 1 0 1 1 0 8 0 amappl3 88 321 0 313 1 0 1 1 0 8 0 amappl2 80 116463 0 116388 3 1 2 3 0 8 0 amappl1 72 250702 0 250249 26 16 10 21 0 8 0 amappl 80 32005 0 31968 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 64 133 0 4 3 0 3 3 0 8 0 uaddrrnd 24 14507 0 14491 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 14507 0 14491 1 0 1 1 0 8 0 vmmpekpl 168 66151 0 66122 2 0 2 2 0 8 0 vmmpepl 168 1630212 0 1628795 103 35 68 82 0 357 2 vmsppl 368 14506 0 14491 2 0 2 2 0 8 0 pdppl 4096 29021 0 28982 6 0 6 6 0 8 0 pvpl 32 2465664 0 2457891 172 103 69 118 0 265 3 pmappl 232 14506 0 14491 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 932 0 5 27 0 27 27 0 8 0