`_:'5VXbaQVؙSa5}'FїqTA`@ aY,$dP9؜5zՏ?r`_:'5VXbaQVؙSa5}'FїqTA`@ aY,$dP9؜5zՏ?ruvm_fault(0xffffffff8233ce40, 0xffff800000964002, 0, 1) -> e kernel: page fault trap, code=0 Stopped at rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic kernel page fault uvm_fault(0xffffffff8233ce40, 0xffff800000964002, 0, 1) -> e rtable_satoplen(21,ffff800000963f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 end trace frame: 0xffff800020c4ce30, count: 0 ddb{1}> trace rtable_satoplen(21,ffff800000963f59) at rtable_satoplen+0x150 sys/net/rtable.c:888 rtable_lookup(0,ffff800000963f09,ffff800000963f59,ffff800000963f11,21) at rtable_lookup+0xfd sys/net/rtable.c:391 rtm_output(ffff800000963f00,ffff800020c4cf20,ffff800020c4cf28,21,0) at rtm_output+0x1a7 sys/net/rtsock.c:952 route_output(fffffd806f349400,fffffd806ca4cc10,0,0) at route_output+0x79b sys/net/rtsock.c:806 route_usrreq(fffffd806ca4cc10,9,fffffd806f349400,0,0,ffff800020b38bd0) at route_usrreq+0x35d sys/net/rtsock.c:271 sosend(fffffd806ca4cc10,0,ffff800020c4d1e8,0,0,4000000) at sosend+0x6eb sys/kern/uipc_socket.c:513 sendit(ffff800020b38bd0,3,ffff800020c4d2a8,4000000,ffff800020c4d370) at sendit+0x590 sys/kern/uipc_syscalls.c:662 sys_sendto(ffff800020b38bd0,ffff800020c4d388,ffff800020c4d370) at sys_sendto+0x92 syscall(ffff800020c4d420) at syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] syscall(ffff800020c4d420) at syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 Xsyscall(6,0,ffffffffffffffd8,0,6,8c3404f3010) at Xsyscall+0x128 end of kernel end trace frame: 0x8c568cbc160, count: -10 ddb{1}> show registers rdi 0 rsi 0xaa rbp 0xffff800020c4cd90 rbx 0xffffffffffffff5a rdx 0xffff800000963f5d rcx 0xffff800000964003 rax 0xffff800000964003 r8 0x21 r9 0x1 r10 0x4 r11 0xdb78d8ab961a2837 r12 0 r13 0xffff800000964003 r14 0xffffffff8219c050 mplsdomain r15 0x4 rip 0xffffffff81666fc0 rtable_satoplen+0x150 cs 0x8 rflags 0x10287 __ALIGN_SIZE+0xf287 rsp 0xffff800020c4cd40 ss 0x10 rtable_satoplen+0x150: movzbl 0xffffffffffffffff(%r13),%r12d ddb{1}> show proc PROC (syz-executor.0) pid=117393 stat=onproc flags process=0 proc=4000000 pri=86, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020b39c38,0xffffffff82361808 process=0xffff800020b8c9f0 user=0xffff800020c48000, vmspace=0xfffffd807f00b5a0 estcpu=36, cpticks=1, pctcpu=0.0 user=0, sys=1, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 40963 101070 50218 0 7 0 syz-executor.0 *40963 117393 50218 0 7 0x4000000 syz-executor.0 91656 58265 83483 0 3 0x80 nanosleep syz-executor.1 91656 140025 83483 0 3 0x4000000 biowait syz-executor.1 91656 11726 83483 0 3 0x4000000 inode syz-executor.1 91656 124925 83483 0 3 0x4000000 inode syz-executor.1 91656 499176 83483 0 3 0x4000080 fsleep syz-executor.1 16497 449088 1 0 3 0x100083 ttyin getty 33875 217756 0 0 3 0x14200 bored sosplice 83483 263250 47309 0 3 0x82 nanosleep syz-executor.1 50218 454113 47309 0 3 0x82 nanosleep syz-executor.0 47309 76252 52652 0 3 0x82 thrsleep syz-fuzzer 47309 234215 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 204993 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 415937 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 105396 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 364837 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 33753 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 120859 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 491204 52652 0 3 0x4000082 thrsleep syz-fuzzer 47309 279320 52652 0 3 0x4000082 kqread syz-fuzzer 52652 86256 44796 0 3 0x10008a pause ksh 44796 105330 22670 0 3 0x92 select sshd 22670 100284 1 0 3 0x80 select sshd 37514 297921 90382 74 3 0x100092 bpf pflogd 90382 517947 1 0 3 0x80 netio pflogd 70975 506134 21496 73 2 0x100090 syslogd 21496 48665 1 0 3 0x100082 netio syslogd 44413 475317 1 77 3 0x100090 poll dhclient 5252 461967 1 0 3 0x80 poll dhclient 38812 482076 0 0 3 0x14200 pgzero zerothread 35763 342598 0 0 3 0x14200 aiodoned aiodoned 31861 61683 0 0 3 0x14200 syncer update 22962 172518 0 0 3 0x14200 cleaner cleaner 47048 12103 0 0 3 0x14200 reaper reaper 14733 328305 0 0 3 0x14200 pgdaemon pagedaemon 74137 200624 0 0 3 0x14200 bored crynlk 61430 186481 0 0 3 0x14200 bored crypto 24052 494674 0 0 3 0x40014200 acpi0 acpi0 97068 283491 0 0 3 0x40014200 idle1 13197 485956 0 0 3 0x14200 bored softnet 83390 72321 0 0 3 0x14200 bored systqmp 66874 119380 0 0 3 0x14200 bored systq 84266 457660 0 0 3 0x40014200 bored softclock 2341 373222 0 0 3 0x40014200 idle0 69790 148906 0 0 3 0x14200 bored smr 1 467705 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 40963 (syz-executor.0) thread 0xffff800020b38bd0 (117393) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff8233e150) locked @ /syzkaller/managers/multicore/kernel/sys/arch/amd64/amd64/trap.c:161 #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 Process 91656 (syz-executor.1) thread 0xffff800020b38018 (140025) exclusive rrwlock inode r = 0 (0xfffffd806e5b71a8) locked @ /syzkaller/managers/multicore/kernel/sys/ufs/ufs/ufs_vnops.c:1547 #0 witness_lock+0x594 sys/kern/subr_witness.c:1201 #1 _rw_enter+0x45d sys/kern/kern_rwlock.c:280 #2 _rrw_enter+0x60 sys/kern/kern_rwlock.c:410 #3 VOP_LOCK+0x57 sys/kern/vfs_vops.c:602 #4 vn_write+0x169 vn_lock sys/kern/vfs_vnops.c:549 [inline] #4 vn_write+0x169 sys/kern/vfs_vnops.c:393 #5 dofilewritev+0x1b0 sys/kern/sys_generic.c:364 #6 sys_pwritev+0xd9 sys/kern/vfs_syscalls.c:3161 #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 Process 91656 (syz-executor.1) thread 0xffff800020b38e28 (11726) exclusive rrwlock inode r = 0 (0xfffffd8068b82f80) locked @ /syzkaller/managers/multicore/kernel/sys/ufs/ufs/ufs_vnops.c:1547 #0 witness_lock+0x594 sys/kern/subr_witness.c:1201 #1 _rw_enter+0x45d sys/kern/kern_rwlock.c:280 #2 _rrw_enter+0x60 sys/kern/kern_rwlock.c:410 #3 VOP_LOCK+0x57 sys/kern/vfs_vops.c:602 #4 vn_lock+0x6e sys/kern/vfs_vnops.c:549 #5 vfs_lookup+0xf5 sys/kern/vfs_lookup.c:387 #6 namei+0x4b2 sys/kern/vfs_lookup.c:224 #7 dofstatat+0xba sys/kern/vfs_syscalls.c:1892 #8 syscall+0x5b8 mi_syscall sys/sys/syscall_mi.h:99 [inline] #8 syscall+0x5b8 sys/arch/amd64/amd64/trap.c:574 #9 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9477 6411K 6415K 78643K 10612 0 0 pcb 27 9K 10K 78643K 111 0 0 rtable 101 4K 4K 78643K 221 0 0 ifaddr 43 11K 11K 78643K 66 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1469 0 0 iov 1 12K 12K 78643K 13 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1200 75K 75K 78643K 1270 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 4 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 12 0K 0K 78643K 27 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12628 0 0 file desc 6 17K 25K 78643K 137 0 0 sigio 0 0K 0K 78643K 4 0 0 proc 53 50K 71K 78643K 339 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 13 0 0 in_multi 33 2K 2K 78643K 41 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 54 238K 238K 78643K 54 0 0 exec 0 0K 1K 78643K 197 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 87 20K 29K 78643K 1289 0 0 UVM aobj 3 2K 2K 78643K 4 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 12 0 0 NDP 7 0K 0K 78643K 17 0 0 temp 123 2367K 2431K 78643K 3413 0 0 kqueue 0 0K 0K 78643K 2 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 96 0 89 1 0 1 1 0 8 0 plimitpl 152 20 0 12 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtentry 112 41 0 1 2 0 2 2 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 22 0 22 1 1 0 1 0 8 0 tcpcb 544 37 0 33 1 0 1 1 0 8 0 nd6 48 4 0 0 1 0 1 1 0 8 0 ppxss 1128 5 0 5 1 0 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 12 0 2 1 0 1 1 0 8 0 pfstkey 112 12 0 2 1 0 1 1 0 8 0 pfstate 328 12 0 2 1 0 1 1 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 256 185 0 0 12 0 12 12 0 8 0 art_table 32 186 0 0 2 0 2 2 0 8 0 art_node 16 40 0 6 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 4 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 24 0 14 1 0 1 1 0 8 0 shmpl 112 2 0 1 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1661 0 242 46 0 46 46 0 8 0 ffsino 272 1661 0 242 95 0 95 95 0 8 0 nchpl 144 2066 0 437 61 0 61 61 0 8 0 uvmvnodes 72 1709 0 0 32 0 32 32 0 8 0 vnodes 200 1709 0 0 90 0 90 90 0 8 0 namei 1024 5470 0 5469 1 0 1 1 0 8 0 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 5172 0 5171 8 6 2 6 0 8 1 sigapl 432 334 0 318 3 1 2 3 0 8 0 futexpl 56 1661 0 1660 1 0 1 1 0 8 0 knotepl 112 81 0 54 2 1 1 2 0 8 0 kqueuepl 104 32 0 30 1 0 1 1 0 8 0 pipepl 112 214 0 195 2 1 1 1 0 8 0 fdescpl 488 335 0 318 3 0 3 3 0 8 0 filepl 152 1899 0 1795 5 0 5 5 0 8 0 lockfpl 104 60 0 59 2 1 1 1 0 8 0 lockfspl 32 43 0 42 2 1 1 1 0 8 0 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 96 323 0 314 1 0 1 1 0 8 0 zombiepl 144 318 0 318 2 1 1 1 0 8 1 processpl 840 351 0 318 4 0 4 4 0 8 0 procpl 600 638 0 591 4 0 4 4 0 8 0 sosppl 128 4 0 4 1 1 0 1 0 8 0 sockpl 384 180 0 159 3 0 3 3 0 8 0 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 5 0 0 1 0 1 1 0 8 0 mcl2k 2048 124 0 0 15 0 15 15 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 142 0 0 8 0 8 8 0 8 0 bufpl 256 5655 0 1043 289 0 289 289 0 8 0 anonpl 16 43909 0 35115 52 9 43 50 0 125 7 amapchunkpl 152 1628 0 1532 11 2 9 9 0 158 5 amappl16 192 1262 0 798 32 8 24 32 0 8 0 amappl15 184 61 0 58 1 0 1 1 0 8 0 amappl14 176 26 0 22 1 0 1 1 0 8 0 amappl13 168 87 0 82 1 0 1 1 0 8 0 amappl12 160 7 0 6 1 0 1 1 0 8 0 amappl11 152 274 0 259 1 0 1 1 0 8 0 amappl10 144 72 0 64 1 0 1 1 0 8 0 amappl9 136 358 0 355 1 0 1 1 0 8 0 amappl8 128 131 0 117 1 0 1 1 0 8 0 amappl7 120 85 0 81 1 0 1 1 0 8 0 amappl6 112 58 0 51 1 0 1 1 0 8 0 amappl5 104 192 0 176 1 0 1 1 0 8 0 amappl4 96 323 0 295 2 1 1 2 0 8 0 amappl3 88 127 0 122 1 0 1 1 0 8 0 amappl2 80 1917 0 1850 2 0 2 2 0 8 0 amappl1 72 16430 0 15962 24 14 10 19 0 8 0 amappl 72 875 0 835 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 3 0 1 1 0 1 1 0 8 0 uaddrrnd 24 335 0 318 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 335 0 318 1 0 1 1 0 8 0 vmmpekpl 168 6809 0 6785 2 0 2 2 0 8 0 vmmpepl 168 42572 0 41007 87 17 70 78 0 357 1 vmsppl 360 334 0 318 2 0 2 2 0 8 0 pdppl 4096 678 0 636 6 0 6 6 0 8 0 pvpl 32 153197 0 141161 127 10 117 125 0 265 18 pmappl 224 334 0 318 2 1 1 2 0 8 0 extentpl 40 39 0 25 1 0 1 1 0 8 0 phpool 112 438 0 3 13 0 13 13 0 8 0