QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2QàmYh fxuϸTRGJG?l5t2iش ]֢":No%fn;3c(Gx{|0`6PƷ PW>,-߽2uvm_fault(0xfffffd806bc09110, 0xa, 0, 1) -> e kernel: page fault trap, code=0 Stopped at vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic kernel page fault uvm_fault(0xfffffd806bc09110, 0xa, 0, 1) -> e vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 end trace frame: 0xffff80001d745b80, count: 0 ddb> trace vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017a050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056 virtio_check_vqs(ffff80000002ea00) at virtio_check_vqs+0x150 sys/dev/pv/virtio.c:228 intr_handler(ffff80001d745c30,ffff800000655380) at intr_handler+0x4d sys/arch/amd64/amd64/intr.c:537 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f end of kernel end trace frame: 0xc002876ec8, count: -5 ddb> show registers rdi 0xc rsi 0xc rbp 0xffff80001d745b20 rbx 0xffff80000017a000 rdx 0 rcx 0xffff8000001ab000 rax 0 r8 0x2 r9 0 r10 0 r11 0xeda3982bf5ed94bd r12 0xffff80000002ea00 r13 0xc r14 0xfffffd805746bd00 r15 0 rip 0xffffffff81127dc1 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d745a90 ss 0 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb> show proc PROC (syz-fuzzer) pid=461903 stat=onproc flags process=2 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d71c010,0xffff80001d71cec0 process=0xffff80001d700758 user=0xffff80001d740000, vmspace=0xfffffd806bc09110 estcpu=0, cpticks=1, pctcpu=0.18 user=0, sys=0, intr=1 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 82870 468454 0 0 3 0x14200 bored sosplice 96484 273169 62105 0 2 0 syz-executor.1 96484 101433 62105 0 3 0x4000080 fsleep syz-executor.1 62105 97531 99462 0 3 0x82 nanosleep syz-executor.1 63441 299498 99462 0 2 0x2 syz-executor.0 99462 409037 23229 0 3 0x82 thrsleep syz-fuzzer 99462 123310 23229 0 2 0x4000002 syz-fuzzer *99462 461903 23229 0 7 0x4000002 syz-fuzzer 99462 151162 23229 0 3 0x4000082 thrsleep syz-fuzzer 99462 3117 23229 0 3 0x4000082 thrsleep syz-fuzzer 99462 343856 23229 0 3 0x4000082 thrsleep syz-fuzzer 99462 106475 23229 0 3 0x4000082 thrsleep syz-fuzzer 99462 79221 23229 0 3 0x4000082 thrsleep syz-fuzzer 99462 19220 23229 0 3 0x4000082 thrsleep syz-fuzzer 23229 478196 69373 0 3 0x10008a pause ksh 69373 99399 26437 0 2 0x12 sshd 95143 43672 1 0 3 0x100083 ttyin getty 26437 297497 1 0 3 0x80 select sshd 59633 32449 56184 73 3 0x100090 kqread syslogd 56184 408593 1 0 3 0x100082 netio syslogd 28511 523539 1 77 3 0x100090 poll dhclient 59670 486730 1 0 3 0x80 poll dhclient 84174 501761 0 0 3 0x14200 bored smr 65182 350984 0 0 2 0x14200 zerothread 96311 356269 0 0 3 0x14200 aiodoned aiodoned 95345 18614 0 0 3 0x14200 syncer update 67197 186144 0 0 3 0x14200 cleaner cleaner 83365 132638 0 0 3 0x14200 reaper reaper 43152 131799 0 0 3 0x14200 pgdaemon pagedaemon 78790 18602 0 0 3 0x14200 bored crynlk 90684 191827 0 0 3 0x14200 bored crypto 99176 444719 0 0 3 0x40014200 acpi0 acpi0 71667 419616 0 0 3 0x14200 bored softnet 97242 21027 0 0 3 0x14200 bored systqmp 26200 235646 0 0 3 0x14200 bored systq 84416 61705 0 0 3 0x40014200 bored softclock 5297 286436 0 0 3 0x40014200 idle0 1 154668 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 devbuf 9499 6529K 6590K 78643K 10803 0 pcb 13 8K 8K 78643K 39 0 rtable 94 2K 6K 78643K 292 0 ifaddr 58 12K 13K 78643K 89 0 counters 21 16K 16K 78643K 22 0 ioctlops 0 0K 4K 78643K 39 0 iov 0 0K 12K 78643K 39 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1287 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 3 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 0K 78643K 72 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 213 0 proc 49 38K 54K 78643K 378 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 18 0 in_multi 33 2K 2K 78643K 74 0 ether_multi 1 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 49 228K 228K 78643K 49 0 exec 0 0K 1K 78643K 201 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 129 23K 23K 78643K 1307 0 UVM aobj 7 2K 2K 78643K 9 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 12 0 NDP 9 0K 0K 78643K 17 0 temp 83 3849K 3913K 78643K 2263 0 kqueue 3 4K 10K 78643K 18 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 9 0 2 1 0 1 1 0 8 0 rtpcb 80 21 0 19 1 0 1 1 0 8 0 rtentry 112 67 0 29 2 0 2 2 0 8 0 unpcb 120 157 0 149 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 61 0 61 1 1 0 1 0 8 0 tcpcb 544 53 0 44 2 1 1 2 0 8 0 inpcb 296 227 0 219 3 1 2 2 0 8 1 nd6 48 12 0 6 1 0 1 1 0 8 0 pfrktable 1344 14 0 14 1 0 1 1 0 8 1 pftag 88 4 0 4 1 0 1 1 0 8 1 pfrule 1360 4 0 4 2 1 1 1 0 8 1 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 251 0 62 13 0 13 13 0 8 0 art_table 32 252 0 62 2 0 2 2 0 8 0 art_node 16 66 0 33 1 0 1 1 0 8 0 sysvmsgpl 40 12 0 8 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 70 0 60 1 0 1 1 0 8 0 shmpl 112 6 0 2 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1645 0 247 88 0 88 88 0 8 0 ffsino 240 1645 0 247 83 0 83 83 0 8 0 nchpl 144 2255 0 650 60 0 60 60 0 8 0 uvmvnodes 72 1736 0 0 32 0 32 32 0 8 0 vnodes 208 1736 0 0 92 0 92 92 0 8 0 namei 1024 5645 0 5645 2 1 1 1 0 8 1 pfiaddrpl 120 4 0 4 1 0 1 1 0 8 1 scxspl 192 6026 0 6026 1 0 1 1 0 8 1 plimitpl 152 24 0 17 1 0 1 1 0 8 0 sigapl 424 400 0 371 4 0 4 4 0 8 0 futexpl 56 3819 0 3818 2 1 1 1 0 8 0 knotepl 112 79 0 60 1 0 1 1 0 8 0 kqueuepl 144 20 0 18 1 0 1 1 0 8 0 pipepl 272 98 0 88 1 0 1 1 0 8 0 fdescpl 432 385 0 371 2 0 2 2 0 8 0 filepl 120 2202 0 2106 4 0 4 4 0 8 1 lockfpl 104 61 0 60 1 0 1 1 0 8 0 lockfspl 48 23 0 22 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 156 0 149 1 0 1 1 0 8 0 zombiepl 144 371 0 371 1 0 1 1 0 8 1 processpl 928 400 0 371 4 0 4 4 0 8 0 procpl 624 604 0 566 5 1 4 4 0 8 1 sockpl 400 405 0 387 4 1 3 3 0 8 1 mcl64k 65536 22 0 21 2 1 1 1 0 8 0 mcl16k 16384 4 0 4 2 1 1 1 0 8 1 mcl12k 12288 7 0 7 2 1 1 1 0 8 1 mcl8k 8192 11 0 11 2 1 1 1 0 8 1 mcl4k 4096 21 0 21 4 3 1 1 0 8 1 mcl2k 2048 93390 0 93347 16 9 7 13 0 8 0 mtagpl 96 14 0 7 2 1 1 1 0 8 0 mbufpl 256 148449 0 148328 21 5 16 16 0 8 4 bufpl 280 3500 0 125 242 0 242 242 0 8 0 anonpl 16 58763 0 42285 93 2 91 91 0 107 16 amapchunkpl 152 1618 0 1469 8 1 7 8 0 158 0 amappl16 192 2159 0 1151 67 4 63 63 0 8 12 amappl15 184 95 0 92 1 0 1 1 0 8 0 amappl14 176 24 0 18 1 0 1 1 0 8 0 amappl13 168 113 0 108 1 0 1 1 0 8 0 amappl12 160 97 0 92 1 0 1 1 0 8 0 amappl11 152 53 0 44 1 0 1 1 0 8 0 amappl10 144 110 0 104 1 0 1 1 0 8 0 amappl9 136 375 0 374 1 0 1 1 0 8 0 amappl8 128 325 0 282 2 0 2 2 0 8 0 amappl7 120 199 0 186 1 0 1 1 0 8 0 amappl6 112 28 0 20 1 0 1 1 0 8 0 amappl5 104 243 0 232 1 0 1 1 0 8 0 amappl4 96 512 0 481 1 0 1 1 0 8 0 amappl3 88 193 0 186 1 0 1 1 0 8 0 amappl2 80 2269 0 2202 2 0 2 2 0 8 0 amappl1 72 17383 0 16958 23 14 9 17 0 8 0 amappl 80 826 0 783 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 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 8 0 2 1 0 1 1 0 8 0 uaddrrnd 24 385 0 371 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 385 0 371 1 0 1 1 0 8 0 vmmpekpl 168 6521 0 6496 2 0 2 2 0 8 0 vmmpepl 168 54064 0 51933 132 23 109 119 0 357 13 vmsppl 272 384 0 371 2 1 1 2 0 8 0 pdppl 4096 776 0 742 6 1 5 6 0 8 0 pvpl 32 171984 0 152512 210 1 209 209 0 265 35 pmappl 200 384 0 371 1 0 1 1 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 261 0 29 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017a050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056 virtio_check_vqs(ffff80000002ea00) at virtio_check_vqs+0x150 sys/dev/pv/virtio.c:228 intr_handler(ffff80001d745c30,ffff800000655380) at intr_handler+0x4d sys/arch/amd64/amd64/intr.c:537 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f end of kernel end trace frame: 0xc002876ec8, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017a050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056 virtio_check_vqs(ffff80000002ea00) at virtio_check_vqs+0x150 sys/dev/pv/virtio.c:228 intr_handler(ffff80001d745c30,ffff800000655380) at intr_handler+0x4d sys/arch/amd64/amd64/intr.c:537 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f end of kernel end trace frame: 0xc002876ec8, count: -5