uvm_fault(0xfffffd806bc09bb0, 0x0, 0, 1) -> e kernel: page fault trap, code=0 Stopped at pfsync_state_import+0x108: movq 0(%rax,%rbx,8),%r15 ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc09bb0, 0x0, 0, 1) -> e pfsync_state_import(ffff800000b34000,1) at pfsync_state_import+0x108 sys/net/if_pfsync.c:529 end trace frame: 0xffff80001e7b98e0, count: 0 ddb> trace pfsync_state_import(ffff800000b34000,1) at pfsync_state_import+0x108 sys/net/if_pfsync.c:529 pfioctl(4900,c1084425,ffff800000b34000,3,ffff80001d6be508) at pfioctl+0x2764 sys/net/pf_ioctl.c:1688 VOP_IOCTL(fffffd80643a8270,c1084425,ffff800000b34000,3,fffffd806c3bfc00,ffff80001d6be508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80571ed5b8,c1084425,ffff800000b34000,ffff80001d6be508) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6be508,ffff80001e7b9bc8,ffff80001e7b9c10) at sys_ioctl+0x4ac syscall(ffff80001e7b9c90) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x68475daac50, count: -7 ddb> show registers rdi 0xffff80001d7a2000 rsi 0x89 rbp 0xffff80001e7b9780 rbx 0 rdx 0xffff80001d7a2000 rcx 0x88 rax 0 r8 0xffff80001d6be508 r9 0xffffffff81f5170d pfioctl+0x16d r10 0x7 r11 0x4f9482829a356d33 r12 0xffff800000b35700 r13 0xffff800000b34000 r14 0x1 r15 0x2 rip 0xffffffff810e2bf8 pfsync_state_import+0x108 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001e7b9700 ss 0x10 pfsync_state_import+0x108: movq 0(%rax,%rbx,8),%r15 ddb> show proc PROC (syz-executor.1) pid=185315 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=73, nice=20 forw=0xffffffffffffffff, list=0xffff80001d6bf8c8,0xffffffff827b4a80 process=0xffff80001d704ed8 user=0xffff80001e7b4000, 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 86533 65257 57878 0 2 0 syz-executor.1 *86533 185315 57878 0 7 0x4000000 syz-executor.1 94214 453110 0 0 3 0x14200 bored sosplice 91177 258463 21901 60929 3 0x90 nanosleep syz-executor.0 91177 185481 21901 60929 3 0x4000090 poll syz-executor.0 91177 440067 21901 60929 3 0x4000090 fsleep syz-executor.0 21901 453140 10360 0 3 0x82 nanosleep syz-executor.0 57878 15550 10360 0 3 0x82 nanosleep syz-executor.1 10360 82821 16796 0 3 0x82 thrsleep syz-fuzzer 10360 277272 16796 0 3 0x4000082 nanosleep syz-fuzzer 10360 410068 16796 0 3 0x4000082 thrsleep syz-fuzzer 10360 122434 16796 0 3 0x4000082 thrsleep syz-fuzzer 10360 50980 16796 0 3 0x4000082 thrsleep syz-fuzzer 10360 229101 16796 0 3 0x4000082 thrsleep syz-fuzzer 10360 140042 16796 0 3 0x4000082 kqread syz-fuzzer 16796 416306 73900 0 3 0x10008a pause ksh 73900 179491 40518 0 3 0x92 select sshd 45040 163148 1 0 3 0x100083 ttyin getty 40518 241592 1 0 3 0x80 select sshd 28002 480291 62705 73 3 0x100090 kqread syslogd 62705 252274 1 0 3 0x100082 netio syslogd 24474 7478 1 77 3 0x100090 poll dhclient 52768 220731 1 0 3 0x80 poll dhclient 51606 54464 0 0 3 0x14200 bored smr 27271 16617 0 0 2 0x14200 zerothread 18510 126588 0 0 3 0x14200 aiodoned aiodoned 25554 482083 0 0 3 0x14200 syncer update 85450 523458 0 0 3 0x14200 cleaner cleaner 79845 50 0 0 3 0x14200 reaper reaper 73253 46941 0 0 3 0x14200 pgdaemon pagedaemon 86040 33338 0 0 3 0x14200 bored crynlk 6988 106893 0 0 3 0x14200 bored crypto 64183 269104 0 0 3 0x40014200 acpi0 acpi0 32443 62086 0 0 3 0x14200 bored softnet 55134 516078 0 0 3 0x14200 bored systqmp 17805 343325 0 0 3 0x14200 bored systq 71052 255193 0 0 3 0x40014200 bored softclock 84713 434082 0 0 3 0x40014200 idle0 1 27049 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 9471 6332K 6718K 78643K 10725 0 pcb 13 8K 8K 78643K 57 0 rtable 113 6K 8K 78643K 326 0 ifaddr 57 12K 13K 78643K 88 0 counters 21 16K 16K 78643K 23 0 ioctlops 1 0K 4K 78643K 212 0 iov 0 0K 12K 78643K 16 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1270 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 21 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 6 17K 25K 78643K 161 0 proc 49 38K 54K 78643K 378 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 29 1K 2K 78643K 59 0 ether_multi 1 0K 0K 78643K 7 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 43 201K 201K 78643K 43 0 exec 0 0K 2K 78643K 321 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 107 21K 22K 78643K 1020 0 UVM aobj 5 2K 2K 78643K 5 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 22 0 NDP 8 0K 0K 78643K 17 0 temp 91 3951K 4015K 78643K 8153 0 kqueue 3 4K 8K 78643K 8 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 88 31 0 29 1 0 1 1 0 8 0 rtentry 112 53 0 12 2 0 2 2 0 8 0 unpcb 120 151 0 143 1 0 1 1 0 8 0 syncache 272 8 0 8 2 1 1 1 0 8 1 tcpqe 32 62 0 62 1 1 0 1 0 8 0 tcpcb 592 58 0 51 1 0 1 1 0 8 0 ipq 40 1 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 1 1 0 1 1 0 8 0 inpcb 296 158 0 151 2 0 2 2 0 8 1 rttmr 72 2 0 2 1 0 1 1 0 8 1 nd6 48 9 0 5 1 0 1 1 0 8 0 pfstscr 40 1 0 0 1 0 1 1 0 8 0 pfrktable 1344 41 0 36 2 1 1 1 0 8 0 pftag 88 6 0 4 2 1 1 1 0 8 0 pfstitem 24 2 0 0 1 0 1 1 0 8 0 pfstkey 112 2 0 0 1 0 1 1 0 8 0 pfstate 328 1 0 0 1 0 1 1 0 8 0 pfrule 1360 10 0 6 2 1 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 211 0 40 13 0 13 13 0 8 0 art_table 32 212 0 40 2 0 2 2 0 8 0 art_node 16 52 0 14 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 1 0 1 0 8 0 semupl 112 5 0 5 1 1 0 1 0 8 0 semapl 112 19 0 9 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1590 0 194 88 0 88 88 0 8 0 ffsino 240 1590 0 194 83 0 83 83 0 8 0 nchpl 144 1985 0 398 60 0 60 60 0 8 0 uvmvnodes 72 1665 0 0 31 0 31 31 0 8 0 vnodes 208 1665 0 0 88 0 88 88 0 8 0 namei 1024 5183 0 5183 1 0 1 1 0 8 1 pfiaddrpl 120 16 0 12 2 1 1 1 0 8 0 scxspl 200 5776 0 5776 1 0 1 1 0 8 1 plimitpl 152 20 0 13 1 0 1 1 0 8 0 sigapl 424 348 0 318 4 0 4 4 0 8 0 futexpl 56 2780 0 2779 1 0 1 1 0 8 0 knotepl 112 68 0 48 1 0 1 1 0 8 0 kqueuepl 152 18 0 16 1 0 1 1 0 8 0 pipepl 272 83 0 72 1 0 1 1 0 8 0 fdescpl 432 333 0 318 2 0 2 2 0 8 0 filepl 120 1902 0 1800 4 0 4 4 0 8 0 lockfpl 104 29 0 27 1 0 1 1 0 8 0 lockfspl 48 12 0 10 1 0 1 1 0 8 0 sessionpl 120 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 139 0 131 1 0 1 1 0 8 0 zombiepl 144 318 0 318 1 0 1 1 0 8 1 processpl 944 348 0 318 4 0 4 4 0 8 0 procpl 632 537 0 498 4 0 4 4 0 8 0 sockpl 400 340 0 323 4 0 4 4 0 8 2 mcl64k 65536 8 0 8 1 0 1 1 0 8 1 mcl12k 12288 6 0 6 2 1 1 1 0 8 1 mcl8k 8192 7 0 7 1 0 1 1 0 8 1 mcl4k 4096 22 0 22 2 1 1 1 0 8 1 mcl2k2 2112 2 0 2 1 0 1 1 0 8 1 mcl2k 2048 91279 0 91236 16 9 7 13 0 8 1 mtagpl 96 15 0 2 2 1 1 1 0 8 0 mbufpl 256 144988 0 144867 14 2 12 12 0 8 0 bufpl 280 3625 0 177 247 0 247 247 0 8 0 anonpl 16 49981 0 31424 77 1 76 76 0 107 0 amapchunkpl 152 1658 0 1454 11 2 9 10 0 158 0 amappl16 192 1507 0 521 50 0 50 50 0 8 0 amappl15 184 71 0 68 1 0 1 1 0 8 0 amappl14 176 22 0 19 1 0 1 1 0 8 0 amappl13 168 31 0 29 1 0 1 1 0 8 0 amappl12 160 16 0 12 1 0 1 1 0 8 0 amappl11 152 48 0 38 1 0 1 1 0 8 0 amappl10 144 71 0 65 1 0 1 1 0 8 0 amappl9 136 358 0 358 1 1 0 1 0 8 0 amappl8 128 108 0 77 1 0 1 1 0 8 0 amappl7 120 283 0 274 1 0 1 1 0 8 0 amappl6 112 105 0 94 1 0 1 1 0 8 0 amappl5 104 412 0 401 1 0 1 1 0 8 0 amappl4 96 251 0 224 1 0 1 1 0 8 0 amappl3 88 73 0 66 1 0 1 1 0 8 0 amappl2 80 1894 0 1827 2 0 2 2 0 8 0 amappl1 72 16709 0 16266 24 15 9 18 0 8 0 amappl 80 785 0 728 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 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 333 0 318 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 333 0 318 1 0 1 1 0 8 0 vmmpekpl 168 6278 0 6255 2 0 2 2 0 8 0 vmmpepl 168 48469 0 46290 118 14 104 113 0 357 8 vmsppl 272 332 0 318 2 1 1 2 0 8 0 pdppl 4096 672 0 636 6 1 5 6 0 8 0 pvpl 32 163181 0 141485 178 0 178 178 0 265 1 pmappl 200 332 0 318 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 242 0 18 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace pfsync_state_import(ffff800000b34000,1) at pfsync_state_import+0x108 sys/net/if_pfsync.c:529 pfioctl(4900,c1084425,ffff800000b34000,3,ffff80001d6be508) at pfioctl+0x2764 sys/net/pf_ioctl.c:1688 VOP_IOCTL(fffffd80643a8270,c1084425,ffff800000b34000,3,fffffd806c3bfc00,ffff80001d6be508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80571ed5b8,c1084425,ffff800000b34000,ffff80001d6be508) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6be508,ffff80001e7b9bc8,ffff80001e7b9c10) at sys_ioctl+0x4ac syscall(ffff80001e7b9c90) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x68475daac50, count: -7 ddb> machine ddbcpu 1 No such command ddb> trace pfsync_state_import(ffff800000b34000,1) at pfsync_state_import+0x108 sys/net/if_pfsync.c:529 pfioctl(4900,c1084425,ffff800000b34000,3,ffff80001d6be508) at pfioctl+0x2764 sys/net/pf_ioctl.c:1688 VOP_IOCTL(fffffd80643a8270,c1084425,ffff800000b34000,3,fffffd806c3bfc00,ffff80001d6be508) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:290 vn_ioctl(fffffd80571ed5b8,c1084425,ffff800000b34000,ffff80001d6be508) at vn_ioctl+0xb5 sys/kern/vfs_vnops.c:531 sys_ioctl(ffff80001d6be508,ffff80001e7b9bc8,ffff80001e7b9c10) at sys_ioctl+0x4ac syscall(ffff80001e7b9c90) at syscall+0x507 sys/arch/amd64/amd64/trap.c:570 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x68475daac50, count: -7