uvm_fault(0xfffffd8065922ef0, 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(0xfffffd8065922ef0, 0x4, 0, 1) -> e pfi_address_add(0,2,0) at pfi_address_add+0x1eb sys/net/pf_if.c:585 end trace frame: 0xffff80001e843350, 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(ffff800000b2b480,ffff800000b27400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b27400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b27400) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e843568) at if_addgroup+0x280 sys/net/if.c:2634 ifioctl(fffffd806b64b7d0,80286987,ffff80001e843550,ffff80001d760298) at ifioctl+0x13e7 sys/net/if.c:2046 sys_ioctl(ffff80001d760298,ffff80001e843668,ffff80001e8436b0) at sys_ioctl+0x4a1 syscall(ffff80001e843730) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x636ea69ae40, count: -9 ddb> show registers rdi 0xffffffff81ab1737 pfi_address_add+0x1e7 rsi 0x153 rbp 0xffff80001e8432b0 rbx 0 rdx 0x154 rcx 0xffff80001d7a0000 rax 0 r8 0xffffffff81ab0ff1 pfi_instance_add+0xf1 r9 0x1 r10 0x2 r11 0x7f41d40ecd2172af r12 0 r13 0x2 r14 0xffff800000654000 r15 0 rip 0xffffffff81ab173b pfi_address_add+0x1eb cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e843240 ss 0x10 pfi_address_add+0x1eb: movl 0x4(%rax),%eax ddb> show proc PROC (syz-executor.0) pid=346530 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=75, nice=20 forw=0xffffffffffffffff, list=0xffff80001d760c58,0xffffffff827f75e0 process=0xffff80001d798eb0 user=0xffff80001e83e000, vmspace=0xfffffd8065922ef0 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 75379 515769 51114 0 2 0 syz-executor.0 *75379 346530 51114 0 7 0x4000000 syz-executor.0 21254 372054 20874 0 3 0x80 nanosleep syz-executor.1 21254 373788 20874 0 3 0x4000080 select syz-executor.1 21254 312278 20874 0 3 0x4000080 fsleep syz-executor.1 39636 199081 0 0 3 0x14280 nfsidl nfsio 41831 24057 0 0 3 0x14280 nfsidl nfsio 44786 311226 0 0 3 0x14280 nfsidl nfsio 75523 322963 0 0 3 0x14280 nfsidl nfsio 35161 443288 0 0 3 0x14280 nfsidl nfsio 22134 116058 0 0 3 0x14280 nfsidl nfsio 90831 498568 0 0 3 0x14280 nfsidl nfsio 96778 223402 0 0 3 0x14280 nfsidl nfsio 49299 67612 0 0 3 0x14280 nfsidl nfsio 51962 152025 0 0 3 0x14280 nfsidl nfsio 14228 345183 0 0 3 0x14280 nfsidl nfsio 71106 66408 0 0 3 0x14280 nfsidl nfsio 90880 216890 0 0 3 0x14280 nfsidl nfsio 84094 213768 0 0 3 0x14280 nfsidl nfsio 35368 311572 0 0 3 0x14280 nfsidl nfsio 43343 146649 0 0 3 0x14280 nfsidl nfsio 94861 372103 0 0 3 0x14280 nfsidl nfsio 46997 256085 0 0 3 0x14280 nfsidl nfsio 74097 240392 0 0 3 0x14280 nfsidl nfsio 15802 328825 0 0 3 0x14280 nfsidl nfsio 20874 421981 1038 0 3 0x82 nanosleep syz-executor.1 51114 277764 1038 0 3 0x82 nanosleep syz-executor.0 1038 37474 4126 0 3 0x82 thrsleep syz-fuzzer 1038 506646 4126 0 3 0x4000082 thrsleep syz-fuzzer 1038 312530 4126 0 3 0x4000082 kqread syz-fuzzer 1038 361633 4126 0 3 0x4000082 thrsleep syz-fuzzer 1038 114626 4126 0 3 0x4000082 thrsleep syz-fuzzer 1038 377823 4126 0 3 0x4000082 thrsleep syz-fuzzer 1038 12527 4126 0 3 0x4000082 thrsleep syz-fuzzer 4126 272085 36704 0 3 0x10008a pause ksh 36704 521590 28227 0 3 0x92 select sshd 83966 357040 1 0 3 0x100083 ttyin getty 28227 52222 1 0 3 0x80 select sshd 93132 335150 98934 73 3 0x100090 kqread syslogd 98934 19601 1 0 3 0x100082 netio syslogd 85487 297962 1 77 3 0x100090 poll dhclient 88330 77370 1 0 3 0x80 poll dhclient 72350 255111 0 0 3 0x14200 bored smr 88555 418741 0 0 2 0x14200 zerothread 14072 51612 0 0 3 0x14200 aiodoned aiodoned 35164 218324 0 0 3 0x14200 syncer update 35763 294481 0 0 3 0x14200 cleaner cleaner 29505 457476 0 0 3 0x14200 reaper reaper 32787 475228 0 0 3 0x14200 pgdaemon pagedaemon 31560 26086 0 0 3 0x14200 bored crynlk 50204 270379 0 0 3 0x14200 bored crypto 45611 262174 0 0 3 0x40014200 acpi0 acpi0 4904 358090 0 0 3 0x14200 bored softnet 88950 62962 0 0 3 0x14200 bored systqmp 44752 93223 0 0 3 0x14200 bored systq 45629 435076 0 0 3 0x40014200 bored softclock 44889 402089 0 0 3 0x40014200 idle0 1 304253 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 9476 6334K 6595K 78643K 10816 0 pcb 14 8K 8K 78643K 38 0 rtable 105 4K 7K 78643K 318 0 ifaddr 60 12K 13K 78643K 94 0 sysctl 2 0K 0K 78643K 2 0 counters 21 16K 16K 78643K 22 0 ioctlops 0 0K 4K 78643K 47 0 iov 0 0K 12K 78643K 16 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1308 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 4 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 70 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 268 0 sigio 0 0K 0K 78643K 62 0 proc 50 38K 54K 78643K 384 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 1 0K 0K 78643K 15 0 in_multi 45 2K 3K 78643K 93 0 ether_multi 2 0K 0K 78643K 5 0 mrt 0 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 191 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 133 39K 40K 78643K 1453 0 UVM aobj 15 2K 2K 78643K 17 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 2 0K 0K 78643K 14 0 NDP 9 0K 0K 78643K 21 0 temp 95 3853K 3917K 78643K 3170 0 kqueue 3 4K 6K 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 7 0 1 1 0 1 1 0 8 0 rtpcb 80 27 0 25 1 0 1 1 0 8 0 rtentry 112 66 0 25 2 0 2 2 0 8 0 unpcb 120 333 0 325 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 11 0 11 1 1 0 1 0 8 0 tcpcb 544 50 0 45 1 0 1 1 0 8 0 ipq 40 2 0 2 1 1 0 1 0 8 0 ipqe 40 6 0 6 1 1 0 1 0 8 0 inpcb 296 193 0 183 3 1 2 2 0 8 0 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 15 0 11 1 0 1 1 0 8 0 pkpcb 40 4 0 4 2 1 1 1 0 8 1 pfosfp 40 1 0 0 1 0 1 1 0 8 0 pfosfpen 112 2 0 0 1 0 1 1 0 8 0 pfrktable 1344 33 0 31 1 0 1 1 0 8 0 pftag 88 6 0 6 2 1 1 1 0 8 1 pfrule 1360 12 0 8 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 268 0 90 13 0 13 13 0 8 0 art_table 32 269 0 90 2 0 2 2 0 8 0 art_node 16 65 0 27 1 0 1 1 0 8 0 sysvmsgpl 40 18 0 12 2 1 1 1 0 8 0 semapl 112 66 0 56 1 0 1 1 0 8 0 shmpl 112 14 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1724 0 328 88 0 88 88 0 8 0 ffsino 240 1724 0 328 83 0 83 83 0 8 0 nchpl 144 2265 0 674 60 0 60 60 0 8 0 uvmvnodes 72 1822 0 0 34 0 34 34 0 8 0 vnodes 208 1822 0 0 96 0 96 96 0 8 0 namei 1024 5794 0 5794 1 0 1 1 0 8 1 vcpupl 1984 1 0 0 1 0 1 1 0 8 0 vmpool 528 1 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 10 0 8 1 0 1 1 0 8 0 scxspl 192 6368 0 6368 1 0 1 1 0 8 1 plimitpl 152 26 0 19 1 0 1 1 0 8 0 sigapl 424 474 0 425 6 0 6 6 0 8 0 futexpl 56 4398 0 4397 1 0 1 1 0 8 0 knotepl 112 64 0 45 1 0 1 1 0 8 0 kqueuepl 144 16 0 14 1 0 1 1 0 8 0 pipepl 272 325 0 315 3 1 2 2 0 8 1 fdescpl 432 440 0 425 2 0 2 2 0 8 0 filepl 120 2723 0 2625 4 0 4 4 0 8 1 lockfpl 104 60 0 59 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 19 0 9 1 0 1 1 0 8 0 ucredpl 96 221 0 214 1 0 1 1 0 8 0 zombiepl 144 425 0 425 1 0 1 1 0 8 1 processpl 928 474 0 425 7 0 7 7 0 8 0 procpl 624 762 0 704 6 1 5 5 0 8 0 sockpl 400 557 0 537 5 1 4 4 0 8 2 mcl64k 65536 525 0 523 33 23 10 33 0 8 9 mcl12k 12288 4 0 4 2 1 1 1 0 8 1 mcl9k 9216 3 0 3 1 1 0 1 0 8 0 mcl8k 8192 7 0 7 2 1 1 1 0 8 1 mcl4k 4096 33 0 32 2 1 1 1 0 8 0 mcl2k2 2112 2 0 2 1 0 1 1 0 8 1 mcl2k 2048 93914 0 93868 16 9 7 14 0 8 0 mtagpl 96 22 0 3 2 1 1 1 0 8 0 mbufpl 256 149896 0 149483 38 11 27 27 0 8 0 bufpl 280 3568 0 126 246 0 246 246 0 8 0 anonpl 16 61346 0 44832 80 8 72 77 0 107 3 amapchunkpl 152 2063 0 1922 14 3 11 13 0 158 5 amappl16 192 2239 0 1295 57 7 50 53 0 8 2 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 153 0 142 1 0 1 1 0 8 0 amappl13 168 136 0 131 1 0 1 1 0 8 0 amappl12 160 11 0 9 1 0 1 1 0 8 0 amappl11 152 172 0 161 1 0 1 1 0 8 0 amappl10 144 22 0 18 1 0 1 1 0 8 0 amappl9 136 332 0 330 1 0 1 1 0 8 0 amappl8 128 335 0 290 2 0 2 2 0 8 0 amappl7 120 104 0 93 1 0 1 1 0 8 0 amappl6 112 25 0 20 1 0 1 1 0 8 0 amappl5 104 336 0 325 1 0 1 1 0 8 0 amappl4 96 656 0 624 1 0 1 1 0 8 0 amappl3 88 237 0 230 1 0 1 1 0 8 0 amappl2 80 2687 0 2613 2 0 2 2 0 8 0 amappl1 72 18481 0 18052 24 15 9 17 0 8 0 amappl 80 973 0 927 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 16 0 2 1 0 1 1 0 8 0 uaddrrnd 24 441 0 425 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 441 0 425 1 0 1 1 0 8 0 vmmpekpl 168 7657 0 7625 2 0 2 2 0 8 0 vmmpepl 168 60715 0 58553 118 22 96 111 0 357 2 vmsppl 272 440 0 425 3 1 2 2 0 8 0 pdppl 4096 888 0 851 6 1 5 6 0 8 0 pvpl 32 182167 0 162491 183 10 173 182 0 265 8 pmappl 200 440 0 425 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 307 0 52 8 0 8 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(ffff800000b2b480,ffff800000b27400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b27400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b27400) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e843568) at if_addgroup+0x280 sys/net/if.c:2634 ifioctl(fffffd806b64b7d0,80286987,ffff80001e843550,ffff80001d760298) at ifioctl+0x13e7 sys/net/if.c:2046 sys_ioctl(ffff80001d760298,ffff80001e843668,ffff80001e8436b0) at sys_ioctl+0x4a1 syscall(ffff80001e843730) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x636ea69ae40, 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(ffff800000b2b480,ffff800000b27400,0,c3) at pfi_table_update+0x174 pfi_kif_update(ffff800000b27400) at pfi_kif_update+0xba pfi_dynaddr_update sys/net/pf_if.c:466 [inline] pfi_kif_update(ffff800000b27400) at pfi_kif_update+0xba sys/net/pf_if.c:442 if_addgroup(ffff800000ac6000,ffff80001e843568) at if_addgroup+0x280 sys/net/if.c:2634 ifioctl(fffffd806b64b7d0,80286987,ffff80001e843550,ffff80001d760298) at ifioctl+0x13e7 sys/net/if.c:2046 sys_ioctl(ffff80001d760298,ffff80001e843668,ffff80001e8436b0) at sys_ioctl+0x4a1 syscall(ffff80001e843730) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x636ea69ae40, count: -9