oLlo(zCoLlo(zCukernel: page fault trap, code=0 Stopped at memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff82239270, 0xffff8000019bb000, 0, 1) -> e memcpy(fffffd8070e20af8,ffff8000019baf0d,0,fffffd8070e20af8,a135255c26c224b8,ffff800020c59378) at memcpy+0x15 end trace frame: 0xffff800020c59280, count: 0 ddb{1}> trace memcpy(fffffd8070e20af8,ffff8000019baf0d,0,fffffd8070e20af8,a135255c26c224b8,ffff800020c59378) at memcpy+0x15 rtrequest(1,ffff800020c59378,0,ffff800020c592c0,0) at rtrequest+0x83c sys/net/route.c:917 rtm_output(ffff8000019baf00,ffff800020c59370,ffff800020c59378,0,0) at rtm_output+0x760 sys/net/rtsock.c:888 route_output(fffffd8071628900,fffffd806ca27190,0,0) at route_output+0x79b sys/net/rtsock.c:806 route_usrreq(fffffd806ca27190,9,fffffd8071628900,0,0,ffff800020b38e28) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd806ca27190,0,ffff800020c59638,0,0,0) at sosend+0x6eb sys/kern/uipc_socket.c:513 sendit(ffff800020b38e28,4,ffff800020c596f8,0,ffff800020c597c0) at sendit+0x590 sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b38e28,ffff800020c597d8,ffff800020c597c0) at sys_sendto+0x92 syscall(ffff800020c59870) at syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800020c59870) at syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,6907cc67010) at Xsyscall+0x128 end of kernel end trace frame: 0x692c2193080, count: -10 ddb{1}> show registers rdi 0xffff8000019badf0 rsi 0xffff8000019baffd rbp 0xffff800020c59170 rbx 0xffff8000019baf0d rdx 0x100 rcx 0x2 rax 0xfffffffffffffdf3 r8 0 r9 0x5 r10 0x8ffda2acf337a850 r11 0xffff8000019bad00 r12 0xffff8000019bad00 r13 0x100 r14 0 r15 0xfffffd8070e20af8 rip 0xffffffff81908ab5 memcpy+0x15 cs 0x8 rflags 0x10202 __ALIGN_SIZE+0xf202 rsp 0xffff800020c59108 ss 0x10 memcpy+0x15: repe movsq (%rsi),%es:(%rdi) ddb{1}> show proc PROC (syz-executor.1) pid=324745 stat=onproc flags process=1000 proc=4080000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b38bd0,0xffffffff8233d1e8 process=0xffff800020b8c9f0 user=0xffff800020c54000, vmspace=0xfffffd807effd9d8 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 16970 497910 47202 0 3 0x3000 suspend syz-executor.1 *16970 324745 47202 0 7 0x4081000 syz-executor.1 79532 397355 32306 0 2 0 syz-executor.0 79532 377860 32306 0 7 0x4000000 syz-executor.0 80139 501072 1 0 3 0x100083 ttyin getty 81291 356058 0 0 3 0x14200 bored sosplice 47202 314903 57649 0 3 0x82 nanosleep syz-executor.1 32306 25859 57649 0 3 0x82 nanosleep syz-executor.0 57649 58164 57293 0 3 0x82 thrsleep syz-fuzzer 57649 345708 57293 0 3 0x4000082 thrsleep syz-fuzzer 57649 441406 57293 0 3 0x4000082 thrsleep syz-fuzzer 57649 469082 57293 0 3 0x4000082 thrsleep syz-fuzzer 57649 462112 57293 0 3 0x4000082 thrsleep syz-fuzzer 57649 24089 57293 0 3 0x4000082 thrsleep syz-fuzzer 57649 376247 57293 0 3 0x4000082 thrsleep syz-fuzzer 57649 315245 57293 0 3 0x4000082 thrsleep syz-fuzzer 57649 260438 57293 0 3 0x4000082 kqread syz-fuzzer 57649 147462 57293 0 3 0x4000082 thrsleep syz-fuzzer 57293 32288 16094 0 3 0x10008a pause ksh 16094 42601 17616 0 3 0x92 select sshd 17616 355759 1 0 3 0x80 select sshd 44259 409315 42407 74 3 0x100092 bpf pflogd 42407 53494 1 0 3 0x80 netio pflogd 15306 47888 39045 73 2 0x100090 syslogd 39045 275032 1 0 3 0x100082 netio syslogd 33919 302408 1 77 3 0x100090 poll dhclient 21405 97128 1 0 3 0x80 poll dhclient 84260 492601 0 0 2 0x14200 zerothread 63401 109562 0 0 3 0x14200 aiodoned aiodoned 16461 341087 0 0 3 0x14200 syncer update 51854 196717 0 0 3 0x14200 cleaner cleaner 3468 87582 0 0 3 0x14200 reaper reaper 93871 82977 0 0 3 0x14200 pgdaemon pagedaemon 56203 437774 0 0 3 0x14200 bored crynlk 96299 364460 0 0 3 0x14200 bored crypto 36855 118832 0 0 3 0x40014200 acpi0 acpi0 48822 389251 0 0 3 0x40014200 idle1 71727 157513 0 0 3 0x14200 bored softnet 67325 266557 0 0 3 0x14200 bored systqmp 16156 212630 0 0 3 0x14200 bored systq 19297 127102 0 0 3 0x40014200 bored softclock 46886 175044 0 0 3 0x40014200 idle0 36306 397499 0 0 3 0x14200 bored smr 1 109401 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 16970 (syz-executor.1) thread 0xffff800020b38e28 (324745) exclusive rwlock netlock r = 0 (0xffffffff821d1ad8) locked @ /syzkaller/managers/multicore/kernel/sys/net/rtsock.c:883 #0 witness_lock+0x594 sys/kern/subr_witness.c:1205 #1 rtm_output+0x6b0 sys/net/rtsock.c:884 #2 route_output+0x79b sys/net/rtsock.c:806 #3 route_usrreq+0x35d sys/net/rtsock.c:271 #4 sosend+0x6eb sys/kern/uipc_socket.c:513 #5 sendit+0x590 sys/kern/uipc_syscalls.c:662 #6 sys_sendto+0x92 #7 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] #7 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 #8 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 1 (0xffffffff823542d8) locked @ /syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/trap.c:161 #0 witness_lock+0x594 sys/kern/subr_witness.c:1205 #1 solock+0x7e sys/kern/uipc_socket2.c:292 #2 sosend+0x586 sys/kern/uipc_socket.c:501 #3 sendit+0x590 sys/kern/uipc_syscalls.c:662 #4 sys_sendto+0x92 #5 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] #5 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9517 6439K 6449K 78643K 10818 0 0 pcb 27 9K 10K 78643K 636 0 0 rtable 106 4K 4K 78643K 578 0 0 ifaddr 56 13K 14K 78643K 175 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1479 0 0 iov 0 0K 24K 78643K 68 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1192 75K 75K 78643K 1499 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 5K 78643K 8 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 81 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 6 17K 25K 78643K 729 0 0 sigio 0 0K 0K 78643K 8 0 0 proc 53 50K 71K 78643K 391 0 0 subproc 64 65538K 67586K 78643K 68 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 ip_moptions 0 0K 0K 78643K 60 0 0 in_multi 33 2K 2K 78643K 47 0 0 ether_multi 1 0K 0K 78643K 1 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 72 318K 318K 78643K 72 0 0 exec 0 0K 1K 78643K 232 0 0 pagedep 1 8K 8K 78643K 1 0 0 inodedep 1 32K 32K 78643K 1 0 0 newblk 1 0K 0K 78643K 1 0 0 VM swap 7 26K 26K 78643K 7 0 0 UVM amap 84 20K 21K 78643K 2973 0 0 UVM aobj 23 2K 2K 78643K 29 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 1K 78643K 38 0 0 NDP 11 0K 0K 78643K 46 0 0 temp 153 2376K 2447K 78643K 4994 0 0 kqueue 0 0K 0K 78643K 7 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 4 0 0 1 0 1 1 0 8 0 inpcbpl 280 303 0 296 1 0 1 1 0 8 0 plimitpl 152 33 0 25 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 61 0 20 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 12 0 12 1 1 0 1 0 8 0 tcpcb 544 93 0 89 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 28 0 28 3 2 1 1 0 8 1 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 20 0 10 1 0 1 1 0 8 0 pfstkey 112 20 0 10 1 0 1 1 0 8 0 pfstate 328 20 0 10 2 0 2 2 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 186 0 0 12 0 12 12 0 8 0 art_table 32 187 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 10 0 4 1 0 1 1 0 8 0 semapl 112 79 0 69 1 0 1 1 0 8 0 shmpl 112 27 0 6 2 1 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 2606 0 1191 46 0 46 46 0 8 0 ffsino 272 2606 0 1191 95 0 95 95 0 8 0 nchpl 144 3754 0 2127 61 0 61 61 0 8 0 uvmvnodes 72 2694 0 0 49 0 49 49 0 8 0 vnodes 200 2694 0 0 142 0 142 142 0 8 0 namei 1024 10270 0 10270 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 11024 0 11024 10 9 1 6 0 8 1 sigapl 432 926 0 910 3 1 2 3 0 8 0 futexpl 56 6297 0 6297 1 0 1 1 0 8 1 knotepl 112 157 0 130 3 2 1 2 0 8 0 kqueuepl 104 119 0 117 1 0 1 1 0 8 0 pipepl 112 444 0 425 2 1 1 1 0 8 0 fdescpl 488 927 0 910 3 0 3 3 0 8 0 filepl 152 4741 0 4640 5 0 5 5 0 8 0 lockfpl 104 202 0 202 3 2 1 1 0 8 1 lockfspl 32 257 0 257 3 2 1 1 0 8 1 sessionpl 112 19 0 8 1 0 1 1 0 8 0 pgrppl 48 23 0 12 1 0 1 1 0 8 0 ucredpl 96 947 0 938 1 0 1 1 0 8 0 zombiepl 144 910 0 910 2 1 1 1 0 8 1 processpl 840 943 0 910 4 0 4 4 0 8 0 procpl 600 2310 0 2266 4 0 4 4 0 8 0 sosppl 128 9 0 9 2 1 1 1 0 8 1 sockpl 384 880 0 859 3 0 3 3 0 8 0 mcl64k 65536 4 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl12k 12288 4 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 6 0 0 1 0 1 1 0 8 0 mcl4k 4096 7 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 123 0 0 15 0 15 15 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 195 0 0 10 1 9 9 0 8 0 bufpl 256 6791 0 1046 360 0 360 360 0 8 0 anonpl 16 97351 0 88483 72 14 58 69 0 125 20 amapchunkpl 152 4286 0 4197 6 1 5 5 0 158 0 amappl16 192 4154 0 3686 56 31 25 48 0 8 1 amappl15 184 362 0 357 1 0 1 1 0 8 0 amappl14 176 386 0 378 1 0 1 1 0 8 0 amappl13 168 29 0 25 1 0 1 1 0 8 0 amappl12 160 362 0 360 2 1 1 1 0 8 0 amappl11 152 565 0 551 1 0 1 1 0 8 0 amappl10 144 67 0 62 1 0 1 1 0 8 0 amappl9 136 726 0 721 1 0 1 1 0 8 0 amappl8 128 484 0 466 1 0 1 1 0 8 0 amappl7 120 27 0 24 1 0 1 1 0 8 0 amappl6 112 55 0 49 1 0 1 1 0 8 0 amappl5 104 112 0 98 1 0 1 1 0 8 0 amappl4 96 325 0 301 2 1 1 2 0 8 0 amappl3 88 147 0 141 1 0 1 1 0 8 0 amappl2 80 7804 0 7737 2 0 2 2 0 8 0 amappl1 72 28316 0 27858 24 14 10 19 0 8 0 amappl 72 2542 0 2506 1 0 1 1 0 75 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 dma64 64 259 0 259 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 17 0 17 1 1 0 1 0 8 0 aobjpl 64 28 0 6 1 0 1 1 0 8 0 uaddrrnd 24 927 0 910 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 927 0 910 1 0 1 1 0 8 0 vmmpekpl 168 11163 0 11141 2 0 2 2 0 8 0 vmmpepl 168 103478 0 101920 109 31 78 89 0 357 10 vmsppl 360 926 0 910 2 0 2 2 0 8 0 pdppl 4096 1862 0 1820 6 0 6 6 0 8 0 pvpl 32 294832 0 282721 172 21 151 164 0 265 51 pmappl 224 926 0 910 2 1 1 2 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 513 0 5 15 0 15 15 0 8 0