uvm_fault(0xffffffff82544ec8, 0xfffffffffffffffb, 0, 4) -> e kernel: page fault trap, code=0 Stopped at 0xfffffffffffffffb:uvm_fault(0xffffffff82544ec8, 0xfffffffffffffffb, 0, 1) -> e kernel: page fault trap, code=0 Stopped at db_read_bytes+0xe3: movzbl 0(%r15,%rbx,1),%eax ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff82544ec8, 0xfffffffffffffffb, 0, 1) -> e db_read_bytes(fffffffffffffffb,1,ffff800021dd4ec4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85 end trace frame: 0xffff800021dd4f20, count: 0 ddb{1}> trace db_read_bytes(fffffffffffffffb,1,ffff800021dd4ec4) at db_read_bytes+0xe3 sys/arch/amd64/amd64/db_memrw.c:85 db_get_value(fffffffffffffffb,1,0) at db_get_value+0x60 sys/ddb/db_access.c:59 db_disasm(fffffffffffffffb,0) at db_disasm+0x8f db_trap() at db_trap+0x12e sys/ddb/db_trap.c:71 db_ktrap(6,0,ffff800021dd5150) at db_ktrap+0x228 sys/arch/amd64/amd64/db_interface.c:149 kerntrap(ffff800021dd5150) at kerntrap+0x13a sys/arch/amd64/amd64/trap.c:278 alltraps_kern_meltdown(6,ffff800021b9c000,fffffd8064bee5b8,10,ffff800000025560,ffff800021dd53b8) at alltraps_kern_meltdown+0x7b end(b,ffff800021dd5318,83,ffff800021dd53b8,0,b) at 0xfffffffffffffffb rt_clone(ffff800021dd5428,fffffd806f6c9828,0) at rt_clone+0x78 sys/net/route.c:266 rtalloc_mpath(fffffd806f6c9828,0,0) at rtalloc_mpath+0xba rt_match sys/net/route.c:244 [inline] rtalloc_mpath(fffffd806f6c9828,0,0) at rtalloc_mpath+0xba sys/net/route.c:359 in_pcbselsrc(ffff800021dd5500,fffffd806250ac20,fffffd806f6c97a8) at in_pcbselsrc+0x219 sys/netinet/in_pcb.c:934 in_pcbconnect(fffffd806f6c97a8,fffffd806250ac00) at in_pcbconnect+0x107 sys/netinet/in_pcb.c:492 udp_usrreq(fffffd806f6ca480,4,0,fffffd806250ac00,0,ffff800020abf8c8) at udp_usrreq+0x560 sys_connect(ffff800020abf8c8,ffff800021dd5688,ffff800021dd56d0) at sys_connect+0x3df sys/kern/uipc_syscalls.c:388 syscall(ffff800021dd5750) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] syscall(ffff800021dd5750) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 Xsyscall(6,0,fffffffffffffed2,0,3,5478980f010) at Xsyscall+0x128 end of kernel end trace frame: 0x549b5671560, count: -16 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800021dd4ea0 rbx 0 rdx 0xffff800020abf8c8 rcx 0xffff800000a79ec0 rax 0xffffffff81dfba7f db_read_bytes+0xaf r8 0xffffffff81dfba0f db_read_bytes+0x3f r9 0x7 r10 0x8 r11 0x8dbb7a53c840b3b8 r12 0 r13 0 r14 0xffff800021dd4ec4 r15 0xfffffffffffffffb rip 0xffffffff81dfbab3 db_read_bytes+0xe3 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800021dd4e40 ss 0x10 db_read_bytes+0xe3: movzbl 0(%r15,%rbx,1),%eax ddb{1}> show proc PROC (syz-executor.0) pid=103967 stat=onproc flags process=0 proc=4000000 pri=78, usrpri=78, nice=20 forw=0xffffffffffffffff, list=0xffff800020abec70,0xffff800020abf3e8 process=0xffff800020add880 user=0xffff800021dd0000, vmspace=0xfffffd807f00b5c0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 28913 68527 22882 0 7 0 syz-executor.1 64110 310452 59811 0 2 0 syz-executor.0 *64110 103967 59811 0 7 0x4000000 syz-executor.0 238 381445 1 0 3 0x82 nanosleep getty 59811 286691 55538 0 3 0x82 nanosleep syz-executor.0 22882 313844 55538 0 3 0x82 nanosleep syz-executor.1 8652 48979 0 0 3 0x14200 acct acct 48604 232569 0 0 3 0x14200 bored sosplice 55538 57579 58704 0 3 0x82 thrsleep syz-fuzzer 55538 34415 58704 0 3 0x4000082 nanosleep syz-fuzzer 55538 60542 58704 0 3 0x4000082 thrsleep syz-fuzzer 55538 88737 58704 0 3 0x4000082 thrsleep syz-fuzzer 55538 405645 58704 0 3 0x4000082 thrsleep syz-fuzzer 55538 104153 58704 0 3 0x4000082 kqread syz-fuzzer 55538 308111 58704 0 3 0x4000082 thrsleep syz-fuzzer 55538 514347 58704 0 3 0x4000082 thrsleep syz-fuzzer 55538 256850 58704 0 3 0x4000082 nanosleep syz-fuzzer 55538 333340 58704 0 3 0x4000082 thrsleep syz-fuzzer 58704 118093 67851 0 3 0x10008a pause ksh 67851 95053 55428 0 3 0x92 select sshd 55428 132286 1 0 3 0x80 select sshd 26448 260051 69145 74 3 0x100092 bpf pflogd 69145 276472 1 0 3 0x80 netio pflogd 58703 333545 84210 73 3 0x100090 kqread syslogd 84210 437750 1 0 3 0x100082 netio syslogd 63432 163224 0 0 2 0x14200 zerothread 75831 506881 0 0 3 0x14200 aiodoned aiodoned 64271 389514 0 0 3 0x14200 syncer update 16640 253735 0 0 3 0x14200 cleaner cleaner 3134 99101 0 0 3 0x14200 reaper reaper 29932 366809 0 0 3 0x14200 pgdaemon pagedaemon 2228 174333 0 0 3 0x14200 bored crynlk 90431 496946 0 0 3 0x14200 bored crypto 48288 451743 0 0 3 0x40014200 acpi0 acpi0 72596 274640 0 0 3 0x40014200 idle1 37824 71348 0 0 3 0x14200 bored softnet 16771 234029 0 0 3 0x14200 bored systqmp 43513 374476 0 0 3 0x14200 bored systq 51534 202779 0 0 3 0x40014200 bored softclock 25874 216328 0 0 3 0x40014200 idle0 20852 234396 0 0 3 0x14200 bored smr 1 305782 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 64110 (syz-executor.0) thread 0xffff800020abf8c8 (103967) exclusive rwlock netlock r = 0 (0xffffffff824b42d8) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 solock+0x5a sys/kern/uipc_socket2.c:282 #2 sys_connect+0x6b sys/kern/uipc_syscalls.c:362 #3 syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:92 [inline] #3 syscall+0x4a4 sys/arch/amd64/amd64/trap.c:555 #4 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 2 (0xffffffff826329b0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 syscall+0x400 mi_syscall sys/sys/syscall_mi.h:83 [inline] #1 syscall+0x400 sys/arch/amd64/amd64/trap.c:555 #2 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9597 6425K 8086K 78643K 24343 0 0 pcb 13 12K 13K 78643K 8145 0 0 rtable 129 9K 10K 78643K 1997 0 0 ifaddr 97 25K 29K 78643K 1303 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1826 0 0 iov 0 0K 32K 78643K 1253 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1203 76K 77K 78643K 6652 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 92 0 0 VM map 44 22K 22K 78643K 87 0 0 sem 12 0K 1K 78643K 2708 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 6 17K 25K 78643K 6427 0 0 sigio 0 0K 0K 78643K 70 0 0 proc 57 51K 95K 78643K 2774 0 0 subproc 32 2K 2K 78643K 680 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 376 0 0 in_multi 40 2K 2K 78643K 819 0 0 ether_multi 1 0K 0K 78643K 74 0 0 mrt 3 0K 0K 78643K 36 0 0 ISOFS mount 1 32K 32K 78643K 1 0 0 MSDOSFS mount 1 16K 16K 78643K 1 0 0 ttys 78 344K 344K 78643K 78 0 0 exec 0 0K 1K 78643K 1281 0 0 pfkey data 0 0K 4K 78643K 1 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 206 447K 447K 78643K 23292 0 0 UVM aobj 130 7K 7K 78643K 139 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 1317 0 0 NDP 24 0K 1K 78643K 420 0 0 temp 243 3561K 4203K 78643K 150485 0 0 kqueue 1 0K 0K 78643K 71 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 64 119 0 113 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 485 0 485 10 9 1 1 0 8 1 rtentry 112 706 0 658 2 0 2 2 0 8 0 unpcb 120 2859 0 2848 7 6 1 2 0 8 0 syncache 264 29 0 29 14 13 1 1 0 8 1 sackhl 24 1 0 1 1 1 0 1 0 8 0 tcpqe 32 70 0 70 10 9 1 1 0 8 1 tcpcb 544 3254 0 3250 9 8 1 2 0 8 0 inpcb 280 17169 0 17164 50 47 3 13 0 8 2 rttmr 72 10 0 9 1 0 1 1 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 48 114 0 110 5 4 1 1 0 8 0 pkpcb 40 33 0 33 11 11 0 1 0 8 0 swfcl 56 1 0 0 1 0 1 1 0 8 0 ppxss 1128 188 0 188 19 18 1 1 0 8 1 pffrag 232 136 0 136 23 22 1 1 0 482 1 pffrnode 88 136 0 136 23 22 1 1 0 8 1 pffrent 40 3166 0 3166 22 21 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 24 512 0 454 1 0 1 1 0 8 0 pfstkey 112 517 0 459 3 0 3 3 0 8 0 pfstate 328 517 0 459 9 2 7 7 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 19 0 18 11 10 1 4 0 8 0 art_heap4 256 3238 0 2963 39 21 18 19 0 8 0 art_table 32 3257 0 2981 9 6 3 3 0 8 0 art_node 16 705 0 661 1 0 1 1 0 8 0 sysvmsgpl 40 48 0 30 1 0 1 1 0 8 0 semapl 112 2706 0 2696 1 0 1 1 0 8 0 shmpl 112 137 0 9 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 11086 0 9663 48 1 47 47 0 8 1 ffsino 272 11086 0 9663 96 0 96 96 0 8 0 nchpl 144 21154 0 20687 61 41 20 61 0 8 0 uvmvnodes 72 6371 0 0 116 0 116 116 0 8 0 vnodes 208 6371 0 0 336 0 336 336 0 8 0 namei 1024 71742 0 71742 3 2 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 vcpupl 1984 43 0 1 6 0 6 6 0 8 0 vmpool 552 85 0 43 4 1 3 3 0 8 0 scsiplug 64 1 0 1 1 1 0 1 0 8 0 scxspl 192 68075 0 68075 46 45 1 5 0 8 1 plimitpl 152 579 0 572 1 0 1 1 0 8 0 sigapl 432 6518 0 6504 3 1 2 3 0 8 0 futexpl 56 154033 0 154033 2 1 1 1 0 8 1 knotepl 112 1942 0 1922 8 7 1 3 0 8 0 kqueuepl 104 1761 0 1758 1 0 1 1 0 8 0 pipepl 112 6742 0 6721 14 13 1 2 0 8 0 fdescpl 488 6519 0 6504 3 0 3 3 0 8 0 filepl 152 60533 0 60439 44 38 6 14 0 8 2 lockfpl 104 2002 0 2002 6 5 1 1 0 8 1 lockfspl 48 665 0 665 6 5 1 1 0 8 1 sessionpl 112 60 0 52 1 0 1 1 0 8 0 pgrppl 48 130 0 122 1 0 1 1 0 8 0 ucredpl 96 7496 0 7488 1 0 1 1 0 8 0 zombiepl 144 6508 0 6508 2 1 1 1 0 8 1 processpl 896 6540 0 6508 4 0 4 4 0 8 0 procpl 632 20486 0 20444 23 18 5 5 0 8 1 srpgc 64 59 0 59 19 19 0 1 0 8 0 sosppl 128 116 0 116 15 14 1 1 0 8 1 sockpl 384 20890 0 20874 87 82 5 22 0 8 2 mcl64k 65536 267 0 0 34 26 8 34 0 8 0 mcl16k 16384 17 0 0 3 0 3 3 0 8 0 mcl12k 12288 33 0 0 2 0 2 2 0 8 0 mcl9k 9216 17 0 0 2 0 2 2 0 8 0 mcl8k 8192 30 0 0 3 0 3 3 0 8 0 mcl4k 4096 33 0 0 5 2 3 3 0 8 0 mcl2k2 2112 9 0 0 1 0 1 1 0 8 0 mcl2k 2048 184 0 0 19 5 14 19 0 8 0 mtagpl 80 92 0 0 1 0 1 1 0 8 0 mbufpl 256 806 0 0 29 1 28 29 0 8 0 bufpl 256 27774 0 20726 441 0 441 441 0 8 0 anonpl 16 784047 0 766898 265 166 99 99 0 124 16 amapchunkpl 152 45969 0 45822 87 79 8 14 0 158 1 amappl16 192 35096 0 33963 256 191 65 69 0 8 8 amappl15 184 1704 0 1704 6 6 0 1 0 8 0 amappl14 176 1897 0 1892 1 0 1 1 0 8 0 amappl13 168 319 0 319 6 6 0 1 0 8 0 amappl12 160 319 0 319 8 8 0 1 0 8 0 amappl11 152 830 0 820 1 0 1 1 0 8 0 amappl10 144 533 0 530 1 0 1 1 0 8 0 amappl9 136 2392 0 2386 1 0 1 1 0 8 0 amappl8 128 1978 0 1934 2 0 2 2 0 8 0 amappl7 120 717 0 709 1 0 1 1 0 8 0 amappl6 112 757 0 738 1 0 1 1 0 8 0 amappl5 104 754 0 742 1 0 1 1 0 8 0 amappl4 96 6262 0 6233 1 0 1 1 0 8 0 amappl3 88 2286 0 2274 1 0 1 1 0 8 0 amappl2 80 50141 0 50072 3 1 2 3 0 8 0 amappl1 72 155851 0 155436 26 16 10 20 0 8 0 amappl 80 21460 0 21385 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 138 0 9 3 0 3 3 0 8 0 uaddrrnd 24 6604 0 6504 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 6604 0 6504 1 0 1 1 0 8 0 vmmpekpl 168 58855 0 58810 3 0 3 3 0 8 0 vmmpepl 168 836153 0 833785 384 244 140 140 0 357 30 vmsppl 368 6518 0 6504 2 0 2 2 0 8 0 pdppl 4096 13215 0 13136 13 3 10 10 0 8 0 pvpl 32 2059462 0 2040877 457 244 213 218 0 265 31 pmappl 232 6603 0 6547 5 1 4 4 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 714 0 81 19 0 19 19 0 8 0