uvm_fault(0xfffffd805ea59998, 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(0xfffffd805ea59998, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e59b870, count: 0 ddb> trace pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 pfi_instance_add(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000adf9c0,ffff800000ae0400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae0400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae0400) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e59ba88) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd80650c47e0,80286987,ffff80001e59ba70,ffff80001d6c2768) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6c2768,ffff80001e59bb88,ffff80001e59bbd0) at sys_ioctl+0x4a1 syscall(ffff80001e59bc50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57edbcb710, count: -9 ddb> show registers rdi 0xffffffff81b39ef7 pfi_address_add+0x1e7 rsi 0x16d rbp 0xffff80001e59b7d0 rbx 0 rdx 0x16e rcx 0xffff80001f9a4000 rax 0 r8 0xffffffff81b397b1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x56d472ca121e4365 r12 0x34 r13 0x2 r14 0xffff800000654034 r15 0 rip 0xffffffff81b39efb pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e59b760 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.1) pid=485860 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6c3608,0xffffffff82853eb0 process=0xffff80001d700758 user=0xffff80001e596000, vmspace=0xfffffd805ea59998 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 66778 355122 5236 0 2 0 syz-executor.1 *66778 485860 5236 0 7 0x4000000 syz-executor.1 29451 53483 0 0 3 0x14200 bored sosplice 5236 496879 36861 0 3 0x82 nanosleep syz-executor.1 30214 195977 36861 0 2 0x2 syz-executor.0 36861 163295 75960 0 3 0x82 kqread syz-fuzzer 36861 279889 75960 0 3 0x4000082 nanosleep syz-fuzzer 36861 651 75960 0 3 0x4000082 thrsleep syz-fuzzer 36861 359305 75960 0 3 0x4000082 thrsleep syz-fuzzer 36861 179372 75960 0 3 0x4000082 thrsleep syz-fuzzer 36861 446538 75960 0 3 0x4000082 thrsleep syz-fuzzer 36861 103672 75960 0 3 0x4000082 thrsleep syz-fuzzer 36861 403062 75960 0 3 0x4000082 thrsleep syz-fuzzer 75960 306954 59721 0 3 0x10008a pause ksh 59721 91924 39733 0 3 0x92 select sshd 50032 165415 1 0 3 0x100083 ttyin getty 39733 343006 1 0 3 0x80 select sshd 67264 161959 62211 73 3 0x100090 kqread syslogd 62211 164211 1 0 3 0x100082 netio syslogd 62651 138729 1 77 3 0x100090 poll dhclient 60054 490036 1 0 3 0x80 poll dhclient 49515 247170 0 0 3 0x14200 bored smr 85425 254795 0 0 2 0x14200 zerothread 6071 215382 0 0 3 0x14200 aiodoned aiodoned 33906 221110 0 0 3 0x14200 syncer update 33938 434496 0 0 3 0x14200 cleaner cleaner 55027 478454 0 0 3 0x14200 reaper reaper 35660 390348 0 0 3 0x14200 pgdaemon pagedaemon 83745 108891 0 0 3 0x14200 bored crynlk 90197 427483 0 0 3 0x14200 bored crypto 61199 299651 0 0 3 0x40014200 acpi0 acpi0 83497 136673 0 0 3 0x14200 bored softnet 88916 386306 0 0 3 0x14200 bored systqmp 67167 1097 0 0 3 0x14200 bored systq 63767 96861 0 0 3 0x40014200 bored softclock 85798 490087 0 0 3 0x40014200 idle0 1 489217 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 9462 6327K 6584K 78643K 10721 0 pcb 14 8K 8K 78643K 44 0 rtable 108 5K 7K 78643K 262 0 ifaddr 46 11K 12K 78643K 69 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 22 0 ioctlops 0 0K 4K 78643K 31 0 iov 0 0K 16K 78643K 55 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1260 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 0K 78643K 16 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 127 0 sigio 0 0K 0K 78643K 8 0 proc 49 38K 54K 78643K 365 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 54 0 ether_multi 1 0K 0K 78643K 4 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 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 122 39K 39K 78643K 1190 0 UVM aobj 3 2K 2K 78643K 3 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 10 0 NDP 6 0K 0K 78643K 12 0 temp 74 3851K 3914K 78643K 2137 0 kqueue 3 4K 8K 78643K 5 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 23 0 21 1 0 1 1 0 8 0 rtentry 112 49 0 8 2 0 2 2 0 8 0 unpcb 120 55 0 47 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 144 0 144 1 1 0 1 0 8 0 tcpcb 544 36 0 31 1 0 1 1 0 8 0 inpcb 296 107 0 96 3 1 2 2 0 8 1 nd6 48 7 0 3 1 0 1 1 0 8 0 pfrktable 1344 28 0 24 1 0 1 1 0 8 0 pftag 88 4 0 4 1 1 0 1 0 8 0 pfrule 1360 5 0 2 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 212 0 40 13 0 13 13 0 8 0 art_table 32 213 0 40 2 0 2 2 0 8 0 art_node 16 48 0 10 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 14 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1551 0 151 88 0 88 88 0 8 0 ffsino 240 1551 0 151 83 0 83 83 0 8 0 nchpl 144 1913 0 311 60 0 60 60 0 8 0 uvmvnodes 72 1630 0 0 30 0 30 30 0 8 0 vnodes 208 1630 0 0 86 0 86 86 0 8 0 namei 1024 4793 0 4793 1 0 1 1 0 8 1 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 528 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 9 0 6 1 0 1 1 0 8 0 scxspl 192 5840 0 5840 1 0 1 1 0 8 1 plimitpl 152 22 0 15 1 0 1 1 0 8 0 sigapl 424 314 0 285 4 0 4 4 0 8 0 futexpl 56 2119 0 2119 1 0 1 1 0 8 1 knotepl 112 63 0 44 1 0 1 1 0 8 0 kqueuepl 144 54 0 52 1 0 1 1 0 8 0 pipepl 272 169 0 159 3 1 2 2 0 8 1 fdescpl 432 299 0 285 2 0 2 2 0 8 0 filepl 120 1705 0 1607 4 0 4 4 0 8 1 lockfpl 104 108 0 107 1 0 1 1 0 8 0 lockfspl 48 36 0 35 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 104 0 97 1 0 1 1 0 8 0 zombiepl 144 285 0 285 1 0 1 1 0 8 1 processpl 928 314 0 285 4 0 4 4 0 8 0 procpl 624 470 0 433 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 0 1 1 0 8 1 sockpl 400 185 0 164 3 0 3 3 0 8 0 mcl64k 65536 1 0 1 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 3 0 3 1 0 1 1 0 8 1 mcl9k 9216 1 0 1 1 1 0 1 0 8 0 mcl8k 8192 3 0 3 1 1 0 1 0 8 0 mcl4k 4096 15 0 15 2 1 1 1 0 8 1 mcl2k 2048 91446 0 91398 16 9 7 14 0 8 0 mtagpl 96 17 0 2 2 1 1 1 0 8 0 mbufpl 256 144596 0 144472 17 3 14 14 0 8 2 bufpl 280 3542 0 129 244 0 244 244 0 8 0 anonpl 16 43691 0 27965 69 4 65 67 0 107 0 amapchunkpl 152 1447 0 1316 8 1 7 8 0 158 0 amappl16 192 1384 0 524 46 1 45 46 0 8 0 amappl15 184 97 0 93 1 0 1 1 0 8 0 amappl14 176 27 0 23 1 0 1 1 0 8 0 amappl13 168 26 0 23 1 0 1 1 0 8 0 amappl12 160 8 0 6 2 1 1 1 0 8 0 amappl11 152 42 0 33 1 0 1 1 0 8 0 amappl10 144 62 0 56 1 0 1 1 0 8 0 amappl9 136 376 0 374 1 0 1 1 0 8 0 amappl8 128 335 0 295 2 0 2 2 0 8 0 amappl7 120 158 0 145 1 0 1 1 0 8 0 amappl6 112 24 0 19 1 0 1 1 0 8 0 amappl5 104 231 0 221 1 0 1 1 0 8 0 amappl4 96 421 0 393 1 0 1 1 0 8 0 amappl3 88 139 0 132 1 0 1 1 0 8 0 amappl2 80 1617 0 1551 2 0 2 2 0 8 0 amappl1 72 15991 0 15565 24 15 9 17 0 8 0 amappl 80 695 0 654 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 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 301 0 285 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 301 0 285 1 0 1 1 0 8 0 vmmpekpl 168 6460 0 6433 2 0 2 2 0 8 0 vmmpepl 168 44184 0 42214 122 13 109 114 0 357 19 vmsppl 272 300 0 285 2 0 2 2 0 8 0 pdppl 4096 608 0 572 6 1 5 6 0 8 0 pvpl 32 148765 0 130073 165 2 163 165 0 265 10 pmappl 200 300 0 285 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 249 0 18 8 1 7 8 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(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000adf9c0,ffff800000ae0400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae0400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae0400) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e59ba88) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd80650c47e0,80286987,ffff80001e59ba70,ffff80001d6c2768) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6c2768,ffff80001e59bb88,ffff80001e59bbd0) at sys_ioctl+0x4a1 syscall(ffff80001e59bc50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57edbcb710, count: -9 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(ffff800000ac6000,0,c3) at pfi_instance_add+0x5e5 pfi_table_update(ffff800000adf9c0,ffff800000ae0400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000ae0400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000ae0400) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e59ba88) at if_addgroup+0x280 sys/net/if.c:2739 ifioctl(fffffd80650c47e0,80286987,ffff80001e59ba70,ffff80001d6c2768) at ifioctl+0x13e7 sys/net/if.c:2151 sys_ioctl(ffff80001d6c2768,ffff80001e59bb88,ffff80001e59bbd0) at sys_ioctl+0x4a1 syscall(ffff80001e59bc50) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x57edbcb710, count: -9