ñÇ9dJƵѦæ]^þÁ‘€ÆÑößUp̉‘õ«·0nw¸M¿÷µVúçZž./busñÇ9dJƵѦæ]^þÁ‘€ÆÑößUp̉‘õ«·0nw¸M¿÷µVúçZž./busuvm_fault(0xffffffff82287918, 0xffff8000019dc002, 0, 1) -> e kernel: page fault trap, code=0 Stopped at rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff82287918, 0xffff8000019dc002, 0, 1) -> e rtable_satoplen(21,ffff8000019dbf59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800020c77630, count: 0 ddb{0}> trace rtable_satoplen(21,ffff8000019dbf59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff8000019dbf09,ffff8000019dbf59,ffff8000019dbf11,21) at rtable_lookup+0xfd sys/net/rtable.c:391 rtm_output(ffff8000019dbf00,ffff800020c77720,ffff800020c77728,21,0) at rtm_output+0x10c sys/net/rtsock.c:1122 route_output(fffffd80700f3600,fffffd806f72c900,0,0) at route_output+0x79b sys/net/rtsock.c:806 route_usrreq(fffffd806f72c900,9,fffffd80700f3600,0,0,ffff800020b38018) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd806f72c900,0,ffff800020c779e8,0,0,0) at sosend+0x6eb sys/kern/uipc_socket.c:513 sendit(ffff800020b38018,3,ffff800020c77aa8,0,ffff800020c77b70) at sendit+0x590 sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b38018,ffff800020c77b88,ffff800020c77b70) at sys_sendto+0x92 syscall(ffff800020c77c20) at syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800020c77c20) at syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,da653ec80d8) at Xsyscall+0x128 end of kernel end trace frame: 0xda85f5a7ff0, count: -10 ddb{0}> show registers rdi 0 rsi 0xaa rbp 0xffff800020c77590 rbx 0xffffffffffffff5a rdx 0xffff8000019dbf5d rcx 0xffff8000019dc003 rax 0xffff8000019dc003 r8 0x21 r9 0x1 r10 0x4 r11 0x96762c90b40585db r12 0 r13 0xffff8000019dc003 r14 0xffffffff821bf7b0 mplsdomain r15 0x4 rip 0xffffffff819822f0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800020c77540 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb{0}> show proc PROC (syz-executor.0) pid=168686 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b39080,0xffffffff82377ca8 process=0xffff800020b8c9f0 user=0xffff800020c72000, vmspace=0xfffffd807f00cb40 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 81212 114616 75664 0 2 0 syz-executor.0 81212 106158 75664 0 3 0x4000080 fsleep syz-executor.0 *81212 168686 75664 0 7 0x4000000 syz-executor.0 83905 127861 1 0 3 0x100083 ttyin getty 88663 321497 0 0 3 0x14200 bored sosplice 985 434595 10825 0 3 0x82 nanosleep syz-executor.1 75664 234237 10825 0 2 0x482 syz-executor.0 10825 158723 7923 0 3 0x82 thrsleep syz-fuzzer 10825 229602 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 326108 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 426383 7923 0 3 0x4000082 kqread syz-fuzzer 10825 88576 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 463589 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 111014 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 273074 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 494784 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 220447 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 265717 7923 0 3 0x4000082 thrsleep syz-fuzzer 10825 306746 7923 0 3 0x4000082 thrsleep syz-fuzzer 7923 180926 14922 0 3 0x10008a pause ksh 14922 440069 3070 0 3 0x92 select sshd 3070 465504 1 0 3 0x80 select sshd 8577 276318 85410 74 3 0x100092 bpf pflogd 85410 99740 1 0 3 0x80 netio pflogd 50303 295958 15327 73 7 0x100090 syslogd 15327 59366 1 0 3 0x100082 netio syslogd 9497 407707 1 77 3 0x100090 poll dhclient 50996 485511 1 0 3 0x80 poll dhclient 20163 289591 0 0 2 0x14200 zerothread 55790 373782 0 0 3 0x14200 aiodoned aiodoned 34693 218096 0 0 3 0x14200 syncer update 44879 128499 0 0 3 0x14200 cleaner cleaner 14018 414765 0 0 3 0x14200 reaper reaper 28769 288614 0 0 3 0x14200 pgdaemon pagedaemon 63490 435278 0 0 3 0x14200 bored crynlk 74372 445126 0 0 3 0x14200 bored crypto 63293 273706 0 0 3 0x40014200 acpi0 acpi0 6040 313423 0 0 3 0x40014200 idle1 3847 493656 0 0 3 0x14200 bored softnet 94645 249870 0 0 3 0x14200 bored systqmp 4729 432435 0 0 3 0x14200 bored systq 20872 135818 0 0 3 0x40014200 bored softclock 4804 382505 0 0 3 0x40014200 idle0 16056 47099 0 0 3 0x14200 bored smr 1 422126 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 81212 (syz-executor.0) thread 0xffff800020b38018 (168686) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82362af8) locked @ /syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/softintr.c:87 #0 witness_lock+0x594 sys/kern/subr_witness.c:1201 #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{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9556 8492K 8502K 78643K 11880 0 0 pcb 27 9K 11K 78643K 1557 0 0 rtable 104 4K 4K 78643K 804 0 0 ifaddr 69 16K 16K 78643K 408 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1497 0 0 iov 0 0K 28K 78643K 956 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1208 76K 76K 78643K 3056 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 47 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 495 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 5 13K 21K 78643K 3059 0 0 sigio 0 0K 0K 78643K 29 0 0 proc 54 51K 71K 78643K 652 0 0 subproc 64 65538K 67586K 78643K 82 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 375 0 0 in_multi 33 2K 2K 78643K 157 0 0 ether_multi 1 0K 0K 78643K 18 0 0 mrt 0 0K 0K 78643K 8 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 415 0 0 pfkey data 0 0K 0K 78643K 6 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 116 22K 31K 78643K 10858 0 0 UVM aobj 130 6K 6K 78643K 150 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 ip6_options 0 0K 0K 78643K 168 0 0 NDP 15 0K 0K 78643K 109 0 0 temp 193 2376K 2503K 78643K 11213 0 0 kqueue 0 0K 0K 78643K 27 0 0 SYN cache 2 16K 16K 78643K 2 0 0 ddb{0}> 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 1572 0 1565 1 0 1 1 0 8 0 plimitpl 152 112 0 104 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 43 0 3 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpcb 544 525 0 521 1 0 1 1 0 8 0 rttmr 72 2 0 2 1 1 0 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 76 0 76 13 12 1 1 0 8 1 pffrent 40 4 0 4 2 2 0 1 0 8 0 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 43 0 30 1 0 1 1 0 8 0 pfstkey 112 43 0 30 1 0 1 1 0 8 0 pfstate 328 43 0 30 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 256 246 0 60 14 2 12 14 0 8 0 art_table 32 247 0 60 2 0 2 2 0 8 0 art_node 16 42 0 8 1 0 1 1 0 8 0 sysvmsgpl 40 13 0 7 1 0 1 1 0 8 0 semupl 112 2 0 2 1 1 0 1 0 8 0 semapl 112 489 0 479 1 0 1 1 0 8 0 shmpl 112 148 0 20 4 0 4 4 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 7627 0 6185 48 1 47 47 0 8 0 ffsino 272 7627 0 6185 97 0 97 97 0 8 0 nchpl 144 12188 0 10556 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 36545 0 36545 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scsiplug 64 8 0 8 8 7 1 1 0 8 1 scxspl 192 36339 0 36339 22 21 1 6 0 8 1 sigapl 432 3258 0 3243 2 0 2 2 0 8 0 futexpl 56 36107 0 36106 1 0 1 1 0 8 0 knotepl 112 743 0 716 11 10 1 2 0 8 0 kqueuepl 104 806 0 804 1 0 1 1 0 8 0 pipepl 112 1852 0 1833 4 3 1 2 0 8 0 fdescpl 488 3259 0 3243 3 0 3 3 0 8 0 filepl 152 19509 0 19408 8 3 5 6 0 8 0 lockfpl 104 876 0 876 5 4 1 1 0 8 1 lockfspl 32 1235 0 1235 5 4 1 1 0 8 1 sessionpl 112 21 0 10 1 0 1 1 0 8 0 pgrppl 48 58 0 47 1 0 1 1 0 8 0 ucredpl 96 4729 0 4720 1 0 1 1 0 8 0 zombiepl 144 3243 0 3242 1 0 1 1 0 8 0 processpl 840 3275 0 3242 4 0 4 4 0 8 0 procpl 600 10017 0 9971 9 5 4 5 0 8 0 srpgc 64 2 0 2 1 1 0 1 0 8 0 sosppl 128 49 0 49 12 12 0 1 0 8 0 sockpl 384 2932 0 2911 7 4 3 4 0 8 0 mcl64k 65536 375 0 0 43 10 33 34 0 8 0 mcl16k 16384 5 0 0 1 0 1 1 0 8 0 mcl12k 12288 17 0 0 2 0 2 2 0 8 0 mcl9k 9216 11 0 0 1 0 1 1 0 8 0 mcl8k 8192 12 0 0 2 0 2 2 0 8 0 mcl4k 4096 25 0 0 4 1 3 3 0 8 0 mcl2k2 2112 6 0 0 1 0 1 1 0 8 0 mcl2k 2048 122 0 0 14 1 13 14 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 481 0 0 20 0 20 20 0 8 0 bufpl 256 12279 0 5289 439 2 437 438 0 8 0 anonpl 16 330631 0 321166 152 97 55 62 0 125 16 amapchunkpl 152 18743 0 18652 34 25 9 10 0 158 4 amappl16 192 16522 0 16018 133 96 37 38 0 8 11 amappl15 184 8 0 5 1 0 1 1 0 8 0 amappl14 176 1581 0 1572 1 0 1 1 0 8 0 amappl13 168 33 0 29 1 0 1 1 0 8 0 amappl12 160 1559 0 1555 2 1 1 1 0 8 0 amappl11 152 210 0 197 1 0 1 1 0 8 0 amappl10 144 69 0 64 1 0 1 1 0 8 0 amappl9 136 358 0 355 1 0 1 1 0 8 0 amappl8 128 1724 0 1690 2 0 2 2 0 8 0 amappl7 120 1511 0 1506 1 0 1 1 0 8 0 amappl6 112 57 0 49 1 0 1 1 0 8 0 amappl5 104 160 0 146 1 0 1 1 0 8 0 amappl4 96 352 0 327 2 1 1 2 0 8 0 amappl3 88 261 0 254 1 0 1 1 0 8 0 amappl2 80 31094 0 31039 2 0 2 2 0 8 0 amappl1 72 80404 0 79974 24 14 10 19 0 8 0 amappl 72 10274 0 10238 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 64 149 0 20 3 0 3 3 0 8 0 uaddrrnd 24 3259 0 3243 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 3259 0 3243 1 0 1 1 0 8 0 vmmpekpl 168 32171 0 32145 2 0 2 2 0 8 0 vmmpepl 168 348615 0 347090 147 69 78 82 0 357 7 vmsppl 360 3258 0 3243 2 0 2 2 0 8 0 pdppl 4096 6526 0 6486 6 0 6 6 0 8 0 pvpl 32 927974 0 915256 268 128 140 142 0 265 36 pmappl 224 3258 0 3243 2 1 1 2 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 651 0 20 19 0 19 19 0 8 0