ook=C>65J.QF:-흧Cp%j`g5mx.$[~ykbϓ]̄cICիC["E ;uvm_fault(0xfffffd806bc09000, 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(0xfffffd806bc09000, 0xa, 0, 1) -> e vio_rxeof(ffff80000017a000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 end trace frame: 0xffff80001d761cd0, 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(ffff80001d761d80,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: 0xc00040d458, count: -5 ddb> show registers rdi 0xc rsi 0xc rbp 0xffff80001d761c70 rbx 0xffff80000017a000 rdx 0 rcx 0xffff8000001ab000 rax 0 r8 0x2 r9 0 r10 0 r11 0x97688d253e063c21 r12 0xffff80000002ea00 r13 0xc r14 0xfffffd8058a14c00 r15 0 rip 0xffffffff821f3f21 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80001d761be0 ss 0 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb> show proc PROC (syz-fuzzer) pid=75745 stat=onproc flags process=2 proc=4000000 pri=50, usrpri=50, nice=20 forw=0xffffffffffffffff, list=0xffff80001d71c280,0xffff80001d71daf0 process=0xffff80001d706758 user=0xffff80001d75c000, vmspace=0xfffffd806bc09000 estcpu=0, cpticks=0, pctcpu=0.55 user=0, sys=0, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 8173 375204 39406 0 2 0 syz-executor.0 8173 271016 39406 0 2 0x4000000 syz-executor.0 86744 351520 0 0 3 0x14200 bored sosplice 39406 407529 94534 0 3 0x82 nanosleep syz-executor.0 70026 214640 94534 0 2 0x2 syz-executor.1 94534 168872 84390 0 3 0x82 thrsleep syz-fuzzer 94534 97016 84390 0 3 0x4000082 nanosleep syz-fuzzer 94534 441940 84390 0 3 0x4000082 thrsleep syz-fuzzer 94534 329388 84390 0 3 0x4000082 thrsleep syz-fuzzer *94534 75745 84390 0 7 0x4000002 syz-fuzzer 94534 388097 84390 0 3 0x4000082 thrsleep syz-fuzzer 94534 275351 84390 0 3 0x4000082 thrsleep syz-fuzzer 84390 343249 85628 0 3 0x10008a pause ksh 85628 414652 67894 0 2 0x12 sshd 34995 409000 1 0 3 0x100083 ttyin getty 67894 256558 1 0 3 0x80 select sshd 81600 309003 76538 73 3 0x100090 kqread syslogd 76538 174441 1 0 3 0x100082 netio syslogd 62485 27131 1 77 3 0x100090 poll dhclient 57289 268665 1 0 3 0x80 poll dhclient 61371 495451 0 0 3 0x14200 bored smr 59491 256503 0 0 2 0x14200 zerothread 44558 132167 0 0 3 0x14200 aiodoned aiodoned 35733 219532 0 0 3 0x14200 syncer update 73550 425952 0 0 3 0x14200 cleaner cleaner 4429 509839 0 0 3 0x14200 reaper reaper 45680 54062 0 0 3 0x14200 pgdaemon pagedaemon 96939 324489 0 0 3 0x14200 bored crynlk 97442 196313 0 0 3 0x14200 bored crypto 55037 261918 0 0 3 0x40014200 acpi0 acpi0 30840 30992 0 0 3 0x14200 bored softnet 88284 424507 0 0 3 0x14200 bored systqmp 42853 433410 0 0 3 0x14200 bored systq 18792 154325 0 0 3 0x40014200 bored softclock 49106 225116 0 0 3 0x40014200 idle0 1 193182 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 9485 6337K 7297K 78643K 11890 0 pcb 13 8K 8K 78643K 63 0 rtable 107 5K 10K 78643K 423 0 ifaddr 67 14K 15K 78643K 152 0 counters 21 16K 17K 78643K 26 0 ioctlops 0 0K 4K 78643K 71 0 iov 0 0K 12K 78643K 36 0 mount 1 1K 1K 78643K 1 0 vnodes 1230 77K 78K 78643K 1588 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 10 0 VM map 2 0K 0K 78643K 2 0 sem 12 0K 2K 78643K 29 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 195K 288K 78643K 12938 0 file desc 5 13K 25K 78643K 347 0 sigio 0 0K 0K 78643K 2 0 proc 50 38K 54K 78643K 368 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 25 0 in_multi 43 2K 2K 78643K 102 0 ether_multi 1 0K 0K 78643K 11 0 mrt 0 0K 0K 78643K 4 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 43 201K 201K 78643K 43 0 exec 0 0K 1K 78643K 205 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 133 71K 72K 78643K 1641 0 UVM aobj 27 6K 6K 78643K 27 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 40 0 NDP 10 0K 0K 78643K 21 0 temp 108 3861K 3925K 78643K 18098 0 kqueue 3 4K 8K 78643K 16 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 6 0 0 1 0 1 1 0 8 0 rtpcb 80 29 0 27 1 0 1 1 0 8 0 rtentry 112 59 0 19 2 0 2 2 0 8 0 unpcb 120 211 0 203 1 0 1 1 0 8 0 syncache 264 6 0 6 2 2 0 1 0 8 0 tcpqe 32 35 0 35 1 1 0 1 0 8 0 tcpcb 544 108 0 104 1 0 1 1 0 8 0 inpcb 296 303 0 296 2 0 2 2 0 8 1 rttmr 72 1 0 1 1 0 1 1 0 8 1 nd6 48 15 0 10 1 0 1 1 0 8 0 ppxss 1136 1 0 1 1 1 0 1 0 8 0 pfrktable 1344 79 0 76 2 0 2 2 0 8 1 pftag 88 14 0 12 1 0 1 1 0 8 0 pfrule 1360 18 0 14 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 191 0 16 12 0 12 12 0 8 0 art_table 32 192 0 16 2 0 2 2 0 8 0 art_node 16 58 0 21 1 0 1 1 0 8 0 sysvmsgpl 40 8 0 6 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 23 0 13 1 0 1 1 0 8 0 shmpl 112 24 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1871 0 470 88 0 88 88 0 8 0 ffsino 240 1871 0 470 83 0 83 83 0 8 0 nchpl 144 2684 0 1079 60 0 60 60 0 8 0 uvmvnodes 72 2220 0 0 41 0 41 41 0 8 0 vnodes 208 2220 0 0 117 0 117 117 0 8 0 namei 1024 7123 0 7123 1 0 1 1 0 8 1 vcpupl 1984 6 0 0 1 0 1 1 0 8 0 vmpool 528 8 0 2 1 0 1 1 0 8 0 pfiaddrpl 120 28 0 26 1 0 1 1 0 8 0 scxspl 192 7708 0 7708 1 0 1 1 0 8 1 plimitpl 152 39 0 32 1 0 1 1 0 8 0 sigapl 424 534 0 505 4 0 4 4 0 8 0 futexpl 56 7554 0 7554 1 0 1 1 0 8 1 knotepl 112 78 0 59 1 0 1 1 0 8 0 kqueuepl 144 44 0 42 1 0 1 1 0 8 0 pipepl 272 114 0 104 1 0 1 1 0 8 0 fdescpl 432 519 0 505 2 0 2 2 0 8 0 filepl 120 3211 0 3116 4 0 4 4 0 8 1 lockfpl 104 109 0 108 1 0 1 1 0 8 0 lockfspl 48 41 0 40 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 21 0 11 1 0 1 1 0 8 0 ucredpl 96 338 0 331 1 0 1 1 0 8 0 zombiepl 144 505 0 505 1 0 1 1 0 8 1 processpl 928 534 0 505 4 0 4 4 0 8 0 procpl 624 923 0 887 4 0 4 4 0 8 0 sosppl 128 3 0 3 1 1 0 1 0 8 0 sockpl 400 545 0 528 4 1 3 4 0 8 1 mcl64k 65536 11 0 11 1 0 1 1 0 8 1 mcl16k 16384 1 0 1 1 0 1 1 0 8 1 mcl12k 12288 5 0 5 1 0 1 1 0 8 1 mcl9k 9216 3 0 3 2 1 1 1 0 8 1 mcl8k 8192 11 0 11 1 0 1 1 0 8 1 mcl4k 4096 38 0 38 2 1 1 1 0 8 1 mcl2k2 2112 3 0 3 1 1 0 1 0 8 0 mcl2k 2048 94745 0 94694 15 8 7 13 0 8 0 mtagpl 96 168 0 3 6 1 5 5 0 8 0 mbufpl 256 150472 0 149995 32 1 31 31 0 8 0 bufpl 280 4226 0 126 293 0 293 293 0 8 0 anonpl 16 69469 0 52371 88 2 86 86 0 107 17 amapchunkpl 152 2894 0 2752 20 0 20 20 0 158 13 amappl16 192 2715 0 1787 62 3 59 59 0 8 12 amappl15 184 153 0 150 1 0 1 1 0 8 0 amappl14 176 187 0 180 1 0 1 1 0 8 0 amappl13 168 27 0 23 1 0 1 1 0 8 0 amappl12 160 18 0 14 1 0 1 1 0 8 0 amappl11 152 206 0 196 1 0 1 1 0 8 0 amappl10 144 18 0 10 1 0 1 1 0 8 0 amappl9 136 337 0 336 1 0 1 1 0 8 0 amappl8 128 338 0 294 2 0 2 2 0 8 0 amappl7 120 106 0 94 1 0 1 1 0 8 0 amappl6 112 22 0 19 1 0 1 1 0 8 0 amappl5 104 365 0 354 1 0 1 1 0 8 0 amappl4 96 585 0 557 1 0 1 1 0 8 0 amappl3 88 270 0 263 1 0 1 1 0 8 0 amappl2 80 3461 0 3391 2 0 2 2 0 8 0 amappl1 72 20341 0 19931 23 14 9 17 0 8 0 amappl 80 1152 0 1107 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 18 0 17 1 0 1 1 0 8 0 aobjpl 64 26 0 0 1 0 1 1 0 8 0 uaddrrnd 24 527 0 507 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 527 0 507 1 0 1 1 0 8 0 vmmpekpl 168 7497 0 7469 2 0 2 2 0 8 0 vmmpepl 168 70257 0 68196 123 16 107 117 0 357 15 vmsppl 272 526 0 507 2 0 2 2 0 8 0 pdppl 4096 1060 0 1020 7 1 6 6 0 8 0 pvpl 32 203391 0 183579 199 0 199 199 0 265 38 pmappl 200 526 0 507 2 0 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 262 0 14 8 0 8 8 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(ffff80001d761d80,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: 0xc00040d458, 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(ffff80001d761d80,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: 0xc00040d458, count: -5