uvm_fault(0xfffffd807efff2e0, 0x3000004c7, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xfffffd807efff2e0, 0x3000004c7, 0, 1) -> e pfr_detach_table(300000003) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 end trace frame: 0xffff800021ba7840, count: 0 ddb{0}> trace pfr_detach_table(300000003) at pfr_detach_table+0x20 sys/net/pf_table.c:2240 pf_tbladdr_remove(ffff800000c388b0) at pf_tbladdr_remove+0x4e sys/net/pf.c:1525 pf_rm_rule(0,ffff800000c38558) at pf_rm_rule+0x414 sys/net/pf_ioctl.c:312 pfioctl(4900,cd60441a,ffff800000a1f000,2,ffff800020ae6f18) at pfioctl+0x4f8c VOP_IOCTL(fffffd806f6cd0f0,cd60441a,ffff800000a1f000,2,fffffd807f7beb40,ffff800020ae6f18) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd8065c36558,cd60441a,ffff800000a1f000,ffff800020ae6f18) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff800020ae6f18,ffff800021ba7ce8,ffff800021ba7d30) at sys_ioctl+0x5b9 syscall(ffff800021ba7db0) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021ba7db0) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x5cc98206ae0, count: -9 ddb{0}> show registers rdi 0xffffffff8107fd30 pfr_detach_table+0x20 rsi 0x2ce rbp 0xffff800021ba7800 rbx 0xffff800000c387a0 rdx 0x2cf rcx 0xffff800023d9c000 rax 0xffff800023d9c000 r8 0xffffffff81883965 pfioctl+0x4205 r9 0x1 r10 0x18 r11 0xdd229eabd9190d89 r12 0xffff800000c388b0 r13 0xffff800000c38828 r14 0x300000003 r15 0x300000003 rip 0xffffffff8107fd30 pfr_detach_table+0x20 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021ba77d0 ss 0x10 pfr_detach_table+0x20: movl 0x4c4(%r14),%r15d ddb{0}> show proc PROC (syz-executor.0) pid=263247 stat=onproc flags process=0 proc=4000000 pri=80, usrpri=80, nice=20 forw=0xffffffffffffffff, list=0xffff800020ae6048,0xffff800020ae6548 process=0xffff800020af4ab0 user=0xffff800021ba2000, vmspace=0xfffffd807efff2e0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=0, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14827 304895 46068 0 7 0 syz-executor.1 14827 259061 46068 0 2 0x4000000 syz-executor.1 92852 518466 60135 0 2 0 syz-executor.0 *92852 263247 60135 0 7 0x4000000 syz-executor.0 60135 435947 70661 0 3 0x82 nanosleep syz-executor.0 49356 56497 0 0 3 0x14200 bored sosplice 46068 19076 70661 0 3 0x82 nanosleep syz-executor.1 70661 410365 17171 0 3 0x82 thrsleep syz-fuzzer 70661 195975 17171 0 3 0x4000082 nanosleep syz-fuzzer 70661 134244 17171 0 3 0x4000082 thrsleep syz-fuzzer 70661 257394 17171 0 3 0x4000082 thrsleep syz-fuzzer 70661 27749 17171 0 3 0x4000082 thrsleep syz-fuzzer 70661 285055 17171 0 3 0x4000082 thrsleep syz-fuzzer 70661 508519 17171 0 3 0x4000082 thrsleep syz-fuzzer 70661 105509 17171 0 3 0x4000082 thrsleep syz-fuzzer 70661 257782 17171 0 3 0x4000082 thrsleep syz-fuzzer 70661 38873 17171 0 3 0x4000082 kqread syz-fuzzer 17171 480973 57315 0 3 0x10008a pause ksh 57315 366096 97504 0 3 0x92 select sshd 15514 175272 1 0 3 0x100083 ttyin getty 97504 11540 1 0 3 0x80 select sshd 18466 392120 37813 74 3 0x100092 bpf pflogd 37813 350310 1 0 3 0x80 netio pflogd 66956 246138 27159 73 3 0x100090 kqread syslogd 27159 221455 1 0 3 0x100082 netio syslogd 39610 423914 1 77 3 0x100090 poll dhclient 2194 332478 1 0 3 0x80 poll dhclient 51940 350084 0 0 2 0x14200 zerothread 10838 10269 0 0 3 0x14200 aiodoned aiodoned 82838 451597 0 0 3 0x14200 syncer update 49990 159111 0 0 3 0x14200 cleaner cleaner 80105 20522 0 0 3 0x14200 reaper reaper 18384 256043 0 0 3 0x14200 pgdaemon pagedaemon 38985 303126 0 0 3 0x14200 bored crynlk 92837 494685 0 0 3 0x14200 bored crypto 80644 53039 0 0 3 0x40014200 acpi0 acpi0 66399 443431 0 0 3 0x40014200 idle1 27169 138134 0 0 3 0x14200 bored softnet 58272 471383 0 0 3 0x14200 bored systqmp 48745 503589 0 0 3 0x14200 bored systq 13747 124088 0 0 3 0x40014200 bored softclock 49553 232623 0 0 3 0x40014200 idle0 65877 496280 0 0 3 0x14200 bored smr 1 314893 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 92852 (syz-executor.0) thread 0xffff800020ae6f18 (263247) exclusive rwlock netlock r = 0 (0xffffffff82471638) #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 (0xffffffff8261e160) #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9561 6929K 8403K 78643K 25246 0 pcb 13 8K 8K 78643K 57 0 rtable 152 15K 16K 78643K 3497 0 ifaddr 94 19K 19K 78643K 2203 0 counters 39 33K 33K 78643K 39 0 ioctlops 1 4K 4K 78643K 18298 0 iov 0 0K 16K 78643K 70 0 mount 1 1K 1K 78643K 1 0 vnodes 1246 78K 78K 78643K 4777 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 19 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 569 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 9878 0 sigio 0 0K 0K 78643K 25 0 proc 62 63K 95K 78643K 543 0 subproc 32 2K 2K 78643K 51 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 17 0 in_multi 66 3K 3K 78643K 85 0 ether_multi 1 0K 0K 78643K 2 0 mrt 0 0K 0K 78643K 6 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 1453 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 141 23K 31K 78643K 23925 0 UVM aobj 74 3K 3K 78643K 83 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 6 0 NDP 12 0K 0K 78643K 22 0 temp 165 3085K 3152K 78643K 46124 0 kqueue 0 0K 0K 78643K 415 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 10 0 4 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 31 0 29 1 0 1 1 0 8 0 rtentry 112 65 0 23 2 0 2 2 0 8 0 unpcb 120 1259 0 1249 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 sackhl 24 2 0 2 2 2 0 1 0 8 0 tcpqe 32 10 0 10 1 1 0 1 0 8 0 tcpcb 544 60 0 56 1 0 1 1 0 8 0 inpcb 280 6368 0 6360 9 8 1 3 0 8 0 rttmr 72 1 0 1 1 1 0 1 0 8 0 nd6 48 7 0 4 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 2 0 1 0 8 0 ppxss 1128 2 0 2 2 2 0 1 0 8 0 pffrag 232 2 0 2 1 1 0 1 0 482 0 pffrnode 88 2 0 2 1 1 0 1 0 8 0 pffrent 40 6 0 6 1 1 0 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 1518 0 1495 4 1 3 3 0 8 1 pftag 88 226 0 221 2 1 1 1 0 8 0 pfstitem 24 21 0 19 1 0 1 1 0 8 0 pfstkey 112 21 0 19 1 0 1 1 0 8 0 pfstate 328 21 0 19 2 1 1 2 0 8 0 pfrule 1360 6691 0 5236 123 1 122 122 0 8 0 art_heap8 4096 2 0 0 2 0 2 2 0 8 0 art_heap4 256 287 0 85 14 1 13 14 0 8 0 art_table 32 289 0 85 2 0 2 2 0 8 0 art_node 16 64 0 26 1 0 1 1 0 8 0 sysvmsgpl 40 17 0 4 2 1 1 1 0 8 0 semapl 112 567 0 557 1 0 1 1 0 8 0 shmpl 112 81 0 9 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 11426 0 10010 46 0 46 46 0 8 0 ffsino 272 11426 0 10010 95 0 95 95 0 8 0 nchpl 144 28559 0 26911 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 78491 0 78491 1 0 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 3782 0 3499 9 0 9 9 0 8 0 scxspl 192 85500 0 85500 7 6 1 6 0 8 1 plimitpl 152 40 0 32 1 0 1 1 0 8 0 sigapl 432 10074 0 10058 3 1 2 3 0 8 0 futexpl 56 93987 0 93987 1 0 1 1 0 8 1 knotepl 112 647 0 628 1 0 1 1 0 8 0 kqueuepl 104 694 0 692 1 0 1 1 0 8 0 pipepl 112 6454 0 6433 1 0 1 1 0 8 0 fdescpl 488 10075 0 10058 3 0 3 3 0 8 0 filepl 152 54151 0 54045 11 6 5 6 0 8 0 lockfpl 104 383 0 382 1 0 1 1 0 8 0 lockfspl 48 144 0 143 1 0 1 1 0 8 0 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 238 0 227 1 0 1 1 0 8 0 ucredpl 96 1192 0 1183 1 0 1 1 0 8 0 zombiepl 144 10058 0 10058 1 0 1 1 0 8 1 processpl 904 10091 0 10058 4 0 4 4 0 8 0 procpl 632 23070 0 23026 10 5 5 5 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 2 0 2 1 1 0 1 0 8 0 sockpl 384 7667 0 7647 14 11 3 5 0 8 0 mcl64k 65536 7 0 0 1 0 1 1 0 8 0 mcl16k 16384 8 0 0 1 0 1 1 0 8 0 mcl12k 12288 18 0 0 2 0 2 2 0 8 0 mcl9k 9216 19 0 0 2 0 2 2 0 8 0 mcl8k 8192 26 0 0 4 1 3 3 0 8 0 mcl4k 4096 17 0 0 3 0 3 3 0 8 0 mcl2k2 2112 7 0 0 1 0 1 1 0 8 0 mcl2k 2048 227 0 0 23 5 18 23 0 8 0 mtagpl 80 4 0 0 1 0 1 1 0 8 0 mbufpl 256 323 0 0 13 0 13 13 0 8 0 bufpl 280 16333 0 9263 506 0 506 506 0 8 0 anonpl 16 601159 0 584567 84 17 67 80 0 125 0 amapchunkpl 152 37183 0 37039 10 2 8 10 0 158 0 amappl16 192 36404 0 35508 58 12 46 55 0 8 1 amappl15 184 9460 0 9452 1 0 1 1 0 8 0 amappl14 176 35 0 33 1 0 1 1 0 8 0 amappl13 168 1 0 1 1 1 0 1 0 8 0 amappl12 160 7 0 6 1 0 1 1 0 8 0 amappl11 152 740 0 725 1 0 1 1 0 8 0 amappl10 144 4418 0 4413 1 0 1 1 0 8 0 amappl9 136 619 0 616 1 0 1 1 0 8 0 amappl8 128 185 0 143 2 0 2 2 0 8 0 amappl7 120 4517 0 4504 1 0 1 1 0 8 0 amappl6 112 617 0 611 1 0 1 1 0 8 0 amappl5 104 153 0 137 1 0 1 1 0 8 0 amappl4 96 10142 0 10102 1 0 1 1 0 8 0 amappl3 88 1981 0 1974 1 0 1 1 0 8 0 amappl2 80 82845 0 82760 3 1 2 3 0 8 0 amappl1 72 167426 0 166961 26 16 10 21 0 8 0 amappl 80 23341 0 23294 2 0 2 2 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 82 0 9 2 0 2 2 0 8 0 uaddrrnd 24 10075 0 10058 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 10075 0 10058 1 0 1 1 0 8 0 vmmpekpl 168 66722 0 66692 2 0 2 2 0 8 0 vmmpepl 168 1125307 0 1123103 151 53 98 122 0 357 2 vmsppl 368 10074 0 10058 2 0 2 2 0 8 0 pdppl 4096 20157 0 20116 6 0 6 6 0 8 0 pvpl 32 3116591 0 3096188 222 56 166 194 0 265 1 pmappl 232 10074 0 10058 2 1 1 2 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 298 0 10 9 0 9 9 0 8 0