uvm_fault(0xfffffd806bc09bb0, 0x4, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc09bb0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001d794d00, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000ae6a00,ffff800000ae1500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae1500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae1500) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000ada8a8,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000acc000,3,ffff80001d6c3130) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000acc000,3,ffff80001d6c3130) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d81d340,cd604404,ffff800000acc000,3,fffffd806c3bf9c0,ffff80001d6c3130) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8057684628,cd604404,ffff800000acc000,ffff80001d6c3130) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c3130,ffff80001d7952a8,ffff80001d7952f0) at sys_ioctl+0x4a1 syscall(ffff80001d795370) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2357b9dd9e0, count: -11 ddb> show registers rdi 0xffffffff81b39ef7 pfi_address_add+0x1e7 rsi 0x5f7 rbp 0xffff80001d794c60 rbx 0 rdx 0x5f8 rcx 0xffff80001d79e000 rax 0 r8 0xffffffff81b397b1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x7337328779dad289 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff81b39efb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d794bf0 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=377741 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=74, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c3610,0xffffffff82853eb0 process=0xffff80001d7003b8 user=0xffff80001d790000, vmspace=0xfffffd806bc09bb0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 97254 8376 27375 0 2 0 syz-executor.1 *97254 377741 27375 0 7 0x4000000 syz-executor.1 40118 94120 0 0 3 0x14200 bored sosplice 81750 202178 0 0 3 0x14200 acct acct 83584 8950 78726 0 3 0x82 nanosleep syz-executor.0 27375 89309 78726 0 3 0x82 nanosleep syz-executor.1 78726 374368 37221 0 3 0x82 thrsleep syz-fuzzer 78726 83691 37221 0 3 0x4000082 nanosleep syz-fuzzer 78726 433203 37221 0 3 0x4000082 kqread syz-fuzzer 78726 423573 37221 0 3 0x4000082 thrsleep syz-fuzzer 78726 332087 37221 0 3 0x4000082 thrsleep syz-fuzzer 78726 109093 37221 0 3 0x4000082 thrsleep syz-fuzzer 78726 480760 37221 0 3 0x4000082 thrsleep syz-fuzzer 78726 503616 37221 0 3 0x4000082 thrsleep syz-fuzzer 37221 275446 32257 0 3 0x10008a pause ksh 32257 38036 94307 0 3 0x92 select sshd 14689 349281 1 0 3 0x100083 ttyin getty 94307 498951 1 0 3 0x80 select sshd 90073 300593 85418 73 3 0x100090 kqread syslogd 85418 79977 1 0 3 0x100082 netio syslogd 57098 260695 1 77 3 0x100090 poll dhclient 60220 6122 1 0 3 0x80 poll dhclient 86843 500017 0 0 3 0x14200 bored smr 52179 494575 0 0 2 0x14200 zerothread 87778 295659 0 0 3 0x14200 aiodoned aiodoned 65740 353450 0 0 3 0x14200 syncer update 49394 215410 0 0 3 0x14200 cleaner cleaner 23752 439116 0 0 3 0x14200 reaper reaper 59929 131488 0 0 3 0x14200 pgdaemon pagedaemon 2645 186990 0 0 3 0x14200 bored crynlk 24714 253416 0 0 3 0x14200 bored crypto 63533 221568 0 0 3 0x40014200 acpi0 acpi0 21768 82125 0 0 3 0x14200 bored softnet 34283 44742 0 0 3 0x14200 bored systqmp 41793 160547 0 0 3 0x14200 bored systq 57160 507048 0 0 3 0x40014200 bored softclock 95216 234864 0 0 3 0x40014200 idle0 1 88101 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 9475 6340K 6714K 78643K 10945 0 pcb 13 8K 8K 78643K 406 0 rtable 119 5K 5K 78643K 245 0 ifaddr 67 15K 15K 78643K 77 0 counters 21 16K 16K 78643K 22 0 ioctlops 1 4K 4K 78643K 48 0 iov 0 0K 12K 78643K 30 0 mount 1 1K 1K 78643K 1 0 vnodes 1222 77K 77K 78643K 1326 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 1K 78643K 24 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 281 0 sigio 0 0K 0K 78643K 4 0 proc 49 38K 63K 78643K 387 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 11 0 in_multi 59 3K 3K 78643K 77 0 ether_multi 1 0K 0K 78643K 6 0 mrt 0 0K 0K 78643K 2 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 201 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 124 23K 25K 78643K 1486 0 UVM aobj 12 2K 2K 78643K 12 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 18 0 NDP 8 0K 0K 78643K 15 0 temp 97 3867K 3931K 78643K 4230 0 kqueue 3 4K 18K 78643K 27 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 39 0 37 1 0 1 1 0 8 0 rtentry 112 48 0 3 2 0 2 2 0 8 0 unpcb 120 95 0 87 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 141 0 141 1 1 0 1 0 8 0 tcpcb 544 68 0 64 1 0 1 1 0 8 0 inpcb 296 557 0 550 4 2 2 2 0 8 1 ip6q 72 1 0 1 1 1 0 1 0 8 0 ip6af 40 2 0 2 1 1 0 1 0 8 0 nd6 48 9 0 2 1 0 1 1 0 8 0 pfstscr 40 1 0 1 1 1 0 1 0 8 0 pfrktable 1344 5 0 1 1 0 1 1 0 8 0 pfstkey 112 3 0 3 1 1 0 1 0 8 0 pfstate 328 2 0 2 1 1 0 1 0 8 0 pfrule 1360 7 0 1 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 191 0 0 12 0 12 12 0 8 0 art_table 32 192 0 0 2 0 2 2 0 8 0 art_node 16 47 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 16 0 6 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 18 0 8 1 0 1 1 0 8 0 shmpl 112 9 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1736 0 336 88 0 88 88 0 8 0 ffsino 240 1736 0 336 83 0 83 83 0 8 0 nchpl 144 2311 0 707 60 0 60 60 0 8 0 uvmvnodes 72 1867 0 0 34 0 34 34 0 8 0 vnodes 208 1867 0 0 99 0 99 99 0 8 0 namei 1024 6048 0 6048 3 2 1 1 0 8 1 vmpool 528 2 0 2 1 1 0 1 0 8 0 pfiaddrpl 120 3 0 1 1 0 1 1 0 8 0 scxspl 192 6785 0 6785 3 2 1 1 0 8 1 plimitpl 152 35 0 28 1 0 1 1 0 8 0 sigapl 424 469 0 439 4 0 4 4 0 8 0 futexpl 56 5111 0 5111 3 2 1 1 0 8 1 knotepl 112 88 0 69 1 0 1 1 0 8 0 kqueuepl 144 44 0 40 1 0 1 1 0 8 0 pipepl 272 104 0 94 1 0 1 1 0 8 0 fdescpl 432 453 0 439 2 0 2 2 0 8 0 filepl 120 2550 0 2454 4 0 4 4 0 8 1 lockfpl 104 53 0 52 1 0 1 1 0 8 0 lockfspl 48 20 0 19 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 246 0 239 1 0 1 1 0 8 0 zombiepl 144 439 0 438 1 0 1 1 0 8 0 processpl 928 469 0 438 4 0 4 4 0 8 0 procpl 624 785 0 746 5 1 4 4 0 8 0 sosppl 128 4 0 4 1 0 1 1 0 8 1 sockpl 400 692 0 675 5 2 3 3 0 8 1 mcl64k 65536 13 0 13 2 1 1 1 0 8 1 mcl16k 16384 1 0 1 1 1 0 1 0 8 0 mcl12k 12288 7 0 7 2 2 0 1 0 8 0 mcl9k 9216 4 0 4 3 2 1 1 0 8 1 mcl8k 8192 11 0 11 3 2 1 1 0 8 1 mcl4k 4096 28 0 28 4 3 1 1 0 8 1 mcl2k2 2112 3 0 3 3 2 1 1 0 8 1 mcl2k 2048 88433 0 88386 18 10 8 14 0 8 1 mtagpl 96 36 0 4 2 1 1 1 0 8 0 mbufpl 256 141316 0 141147 15 3 12 12 0 8 0 bufpl 280 3728 0 126 258 0 258 258 0 8 0 anonpl 16 56608 0 40130 71 2 69 69 0 107 0 amapchunkpl 152 1885 0 1737 9 2 7 9 0 158 0 amappl16 192 2052 0 1120 49 2 47 48 0 8 0 amappl15 184 249 0 245 1 0 1 1 0 8 0 amappl14 176 21 0 18 1 0 1 1 0 8 0 amappl13 168 28 0 24 1 0 1 1 0 8 0 amappl12 160 9 0 5 1 0 1 1 0 8 0 amappl11 152 47 0 37 1 0 1 1 0 8 0 amappl10 144 141 0 138 1 0 1 1 0 8 0 amappl9 136 374 0 373 1 0 1 1 0 8 0 amappl8 128 328 0 287 2 0 2 2 0 8 0 amappl7 120 106 0 94 1 0 1 1 0 8 0 amappl6 112 29 0 20 1 0 1 1 0 8 0 amappl5 104 389 0 377 1 0 1 1 0 8 0 amappl4 96 423 0 396 1 0 1 1 0 8 0 amappl3 88 114 0 109 1 0 1 1 0 8 0 amappl2 80 3070 0 3001 2 0 2 2 0 8 0 amappl1 72 19066 0 18641 24 15 9 17 0 8 0 amappl 80 1011 0 965 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 11 0 0 1 0 1 1 0 8 0 uaddrrnd 24 455 0 441 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 455 0 441 1 0 1 1 0 8 0 vmmpekpl 168 6841 0 6815 2 0 2 2 0 8 0 vmmpepl 168 61882 0 59834 123 27 96 116 0 357 4 vmsppl 272 454 0 441 2 1 1 2 0 8 0 pdppl 4096 916 0 882 6 1 5 6 0 8 0 pvpl 32 180047 0 160582 171 8 163 167 0 265 0 pmappl 200 454 0 441 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 256 0 29 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000ae6a00,ffff800000ae1500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae1500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae1500) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000ada8a8,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000acc000,3,ffff80001d6c3130) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000acc000,3,ffff80001d6c3130) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d81d340,cd604404,ffff800000acc000,3,fffffd806c3bf9c0,ffff80001d6c3130) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8057684628,cd604404,ffff800000acc000,ffff80001d6c3130) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c3130,ffff80001d7952a8,ffff80001d7952f0) at sys_ioctl+0x4a1 syscall(ffff80001d795370) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2357b9dd9e0, count: -11 ddb> machine ddbcpu 1 No such command ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6800,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000ae6a00,ffff800000ae1500,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae1500) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae1500) at pfi_kif_update+0xba sys/net/pf_if.c:442 pfi_dynaddr_setup(ffff800000ada8a8,0) at pfi_dynaddr_setup+0x3fa sys/net/pf_if.c:420 pfioctl(4900,cd604404,ffff800000acc000,3,ffff80001d6c3130) at pfioctl+0x51b2 pf_addr_setup sys/net/pf_ioctl.c:893 [inline] pfioctl(4900,cd604404,ffff800000acc000,3,ffff80001d6c3130) at pfioctl+0x51b2 sys/net/pf_ioctl.c:1265 VOP_IOCTL(fffffd805d81d340,cd604404,ffff800000acc000,3,fffffd806c3bf9c0,ffff80001d6c3130) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd8057684628,cd604404,ffff800000acc000,ffff80001d6c3130) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6c3130,ffff80001d7952a8,ffff80001d7952f0) at sys_ioctl+0x4a1 syscall(ffff80001d795370) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2357b9dd9e0, count: -11