uvm_fault(0xfffffd803f014990, 0x100000008, 0, 2) -> e kernel: page fault trap, code=0 Stopped at arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd803f014990, 0x100000008, 0, 2) -> e arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 end trace frame: 0xffff8000159e1f00, count: 0 ddb> trace arp_rtrequest() at arp_rtrequest+0x15f sys/netinet/if_ether.c:201 rtm_output(ffff8000009fee00,ffff8000159e1fb8,ffff8000159e1f10,40,0) at rtm_output+0xbf4 sys/net/rtsock.c:1040 route_output(fffffd802decb000,fffffd80363ffc08,0,0) at route_output+0x7d7 sys/net/rtsock.c:814 route_usrreq(fffffd80363ffc08,9,fffffd802decb000,0,0,ffff800014920128) at route_usrreq+0x363 sys/net/rtsock.c:271 sosend(fffffd80363ffc08,0,ffff8000159e21b0,0,0,80) at sosend+0x660 sys/kern/uipc_socket.c:513 sendit(ffff800014920128,3,ffff8000159e2290,0,ffff8000159e2390) at sendit+0x53f sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800014920128,ffff8000159e2328,ffff8000159e2390) at sys_sendto+0x80 sys/kern/uipc_syscalls.c:527 syscall(ffff8000159e23f0) at syscall+0x508 Xsyscall(6,0,ffffffffffffffd8,0,6,c2e130d5010) at Xsyscall+0x128 end of kernel end trace frame: 0xc304105a920, count: -9 ddb> show registers rdi 0xffffffff819ef3a7 arp_rtrequest+0x157 rsi 0x198 rbp 0xffff8000159e1e60 rbx 0xffff80000005bd60 rdx 0x199 rcx 0xdeaf4152deaf4152 rax 0xffff80000005bd68 r8 0x40 r9 0x5 r10 0xffff800000994b80 r11 0x599f47c0d657c47f r12 0xffff8000001722a8 r13 0x2 r14 0xfffffd802e758708 r15 0x100000000 rip 0xffffffff819ef3af arp_rtrequest+0x15f cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff8000159e1de0 ss 0x10 arp_rtrequest+0x15f: movq %rcx,0x8(%r15) ddb> show proc PROC (syz-executor.0) pid=410302 stat=onproc flags process=0 proc=4000000 pri=82, usrpri=82, nice=20 forw=0xffffffffffffffff, list=0xffff80001491f288,0xffffffff822c2708 process=0xffff8000ffffa358 user=0xffff8000159dd000, vmspace=0xfffffd803f014990 estcpu=36, cpticks=0, pctcpu=0.0 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 10828 230368 7207 0 2 0 syz-executor.0 *10828 410302 7207 0 7 0x4000000 syz-executor.0 82438 313662 12353 0 2 0 syz-executor.1 82438 104950 12353 0 3 0x4000080 kqread syz-executor.1 82438 193078 12353 0 3 0x4000080 fsleep syz-executor.1 35773 49642 1 0 3 0x100083 ttyin getty 33781 56957 0 0 3 0x14200 bored sosplice 7207 129467 3059 0 3 0x82 nanosleep syz-executor.0 12353 10760 3059 0 3 0x82 nanosleep syz-executor.1 3059 360978 1946 0 3 0x82 thrsleep syz-fuzzer 3059 275933 1946 0 3 0x4000082 thrsleep syz-fuzzer 3059 506058 1946 0 3 0x4000082 thrsleep syz-fuzzer 3059 415976 1946 0 3 0x4000082 kqread syz-fuzzer 3059 476674 1946 0 3 0x4000082 thrsleep syz-fuzzer 3059 197686 1946 0 3 0x4000082 thrsleep syz-fuzzer 3059 22752 1946 0 3 0x4000082 thrsleep syz-fuzzer 3059 390387 1946 0 3 0x4000082 thrsleep syz-fuzzer 1946 177279 94689 0 3 0x10008a pause ksh 94689 239492 63907 0 3 0x92 select sshd 63907 343055 1 0 3 0x80 select sshd 57397 32364 4546 73 2 0x100090 syslogd 4546 192520 1 0 3 0x100082 netio syslogd 29066 104163 1 77 3 0x100090 poll dhclient 94686 191682 1 0 3 0x80 poll dhclient 16755 482684 0 0 2 0x14200 zerothread 6864 387392 0 0 3 0x14200 aiodoned aiodoned 63421 329038 0 0 3 0x14200 syncer update 62909 436228 0 0 3 0x14200 cleaner cleaner 5698 180696 0 0 3 0x14200 reaper reaper 32659 391736 0 0 3 0x14200 pgdaemon pagedaemon 99303 86312 0 0 3 0x14200 bored crynlk 66560 335104 0 0 3 0x14200 bored crypto 10411 70860 0 0 3 0x40014200 acpi0 acpi0 50936 322140 0 0 3 0x14200 bored softnet 92208 117767 0 0 3 0x14200 bored systqmp 67611 51440 0 0 3 0x14200 bored systq 61029 420580 0 0 3 0x40014200 bored softclock 52247 499499 0 0 3 0x40014200 idle0 8895 407823 0 0 3 0x14200 bored smr 1 177021 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 Kern Lim devbuf 9493 6344K 7494K 78643K 16456 0 0 pcb 26 9K 10K 78643K 1121 0 0 rtable 125 5K 5K 78643K 698 0 0 ifaddr 53 14K 15K 78643K 300 0 0 counters 19 16K 16K 78643K 19 0 0 ioctlops 0 0K 2K 78643K 132 0 0 iov 0 0K 28K 78643K 308 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1202 75K 77K 78643K 3470 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 32 0 0 VM map 2 0K 0K 78643K 2 0 0 sem 12 0K 0K 78643K 156 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1793 195K 288K 78643K 12537 0 0 file desc 6 17K 25K 78643K 2755 0 0 sigio 0 0K 0K 78643K 40 0 0 proc 42 30K 54K 78643K 436 0 0 subproc 32 2K 2K 78643K 36 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 258 0 0 in_multi 33 2K 2K 78643K 151 0 0 ether_multi 1 0K 0K 78643K 18 0 0 mrt 0 0K 0K 78643K 6 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 96 424K 424K 78643K 96 0 0 exec 0 0K 1K 78643K 324 0 0 pfkey data 0 0K 0K 78643K 2 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 85 20K 30K 78643K 7246 0 0 UVM aobj 103 4K 4K 78643K 118 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 106 0 0 NDP 10 0K 0K 78643K 78 0 0 temp 160 2717K 3355K 78643K 11411 0 0 kqueue 0 0K 0K 78643K 20 0 0 SYN cache 2 16K 16K 78643K 2 0 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 inpcbpl 280 1079 0 1072 1 0 1 1 0 8 0 rtentry 112 55 0 8 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 387 0 383 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 ppxss 1128 57 0 57 8 7 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 194 0 0 13 0 13 13 0 8 0 art_table 32 195 0 0 2 0 2 2 0 8 0 art_node 16 47 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 32 0 12 2 1 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 152 0 142 1 0 1 1 0 8 0 shmpl 112 116 0 15 3 0 3 3 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 5843 0 4439 46 0 46 46 0 8 0 ffsino 240 5843 0 4439 84 0 84 84 0 8 0 nchpl 144 9842 0 8207 61 0 61 61 0 8 0 uvmvnodes 72 5926 0 0 108 0 108 108 0 8 0 vnodes 200 5926 0 0 312 0 312 312 0 8 0 namei 1024 29858 0 29858 2 1 1 1 0 8 1 scsiplug 64 10 0 10 6 6 0 1 0 8 0 scxspl 192 30450 0 30450 21 18 3 6 0 8 3 plimitpl 152 94 0 87 1 0 1 1 0 8 0 sigapl 432 2929 0 2915 2 0 2 2 0 8 0 futexpl 56 42227 0 42226 1 0 1 1 0 8 0 knotepl 112 831 0 812 1 0 1 1 0 8 0 kqueuepl 104 989 0 985 1 0 1 1 0 8 0 pipepl 112 1668 0 1649 7 6 1 2 0 8 0 fdescpl 424 2930 0 2915 2 0 2 2 0 8 0 filepl 120 17258 0 17159 5 1 4 5 0 8 1 lockfpl 104 996 0 996 2 1 1 1 0 8 1 lockfspl 48 331 0 331 2 1 1 1 0 8 1 sessionpl 112 20 0 10 1 0 1 1 0 8 0 pgrppl 48 56 0 46 1 0 1 1 0 8 0 ucredpl 96 4024 0 4017 1 0 1 1 0 8 0 zombiepl 144 2915 0 2915 2 1 1 1 0 8 1 processpl 840 2945 0 2915 4 0 4 4 0 8 0 procpl 624 6464 0 6424 4 0 4 4 0 8 0 sosppl 128 47 0 47 9 9 0 1 0 8 0 sockpl 384 2049 0 2029 3 0 3 3 0 8 1 mcl64k 65536 1279 0 1279 73 44 29 33 0 8 29 mcl16k 16384 9 0 9 9 9 0 1 0 8 0 mcl12k 12288 55 0 55 11 10 1 1 0 8 1 mcl9k 9216 33 0 33 9 9 0 1 0 8 0 mcl8k 8192 40 0 40 11 10 1 1 0 8 1 mcl4k 4096 108 0 108 5 4 1 1 0 8 1 mcl2k2 2112 12 0 12 7 7 0 1 0 8 0 mcl2k 2048 59027 0 58984 21 15 6 11 0 8 0 mtagpl 80 2 0 2 1 1 0 1 0 8 0 mbufpl 256 110296 0 110223 61 42 19 22 0 8 11 bufpl 256 13474 0 7809 355 0 355 355 0 8 0 anonpl 16 261231 0 250862 104 55 49 59 0 62 4 amapchunkpl 152 12369 0 12264 48 38 10 18 0 158 4 amappl16 192 15808 0 15245 92 59 33 41 0 8 4 amappl15 184 2 0 1 1 0 1 1 0 8 0 amappl14 176 34 0 33 2 1 1 1 0 8 0 amappl13 168 9 0 7 1 0 1 1 0 8 0 amappl12 160 9 0 6 1 0 1 1 0 8 0 amappl11 152 1396 0 1379 1 0 1 1 0 8 0 amappl10 144 66 0 62 2 1 1 1 0 8 0 amappl9 136 1901 0 1895 1 0 1 1 0 8 0 amappl8 128 1510 0 1495 1 0 1 1 0 8 0 amappl7 120 31 0 28 1 0 1 1 0 8 0 amappl6 112 1385 0 1378 1 0 1 1 0 8 0 amappl5 104 223 0 213 1 0 1 1 0 8 0 amappl4 96 3094 0 3074 1 0 1 1 0 8 0 amappl3 88 276 0 266 1 0 1 1 0 8 0 amappl2 80 22665 0 22590 4 2 2 3 0 8 0 amappl1 72 58233 0 57798 26 17 9 19 0 8 0 amappl 80 6709 0 6672 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 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 64 117 0 15 2 0 2 2 0 8 0 uaddrrnd 24 2930 0 2915 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 2930 0 2915 1 0 1 1 0 8 0 vmmpekpl 168 21451 0 21422 2 0 2 2 0 8 0 vmmpepl 168 296802 0 295169 146 74 72 85 0 357 1 vmsppl 272 2929 0 2915 2 1 1 2 0 8 0 pdppl 4096 5866 0 5830 6 1 5 6 0 8 0 pvpl 32 854678 0 841117 270 143 127 197 0 265 13 pmappl 200 2929 0 2915 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 653 0 129 16 0 16 16 0 8 0