uvm_fault(0xffffffff8264a2a0, 0xa, 0, 1) -> e kernel: page fault trap, code=0 Stopped at vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic kernel page fault uvm_fault(0xffffffff8264a2a0, 0xa, 0, 1) -> e vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 end trace frame: 0xffff800020a378e0, count: 0 ddb{0}> trace vio_rxeof(ffff80000017b000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017b050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1054 intr_handler(ffff800020a37940,ffff800000255b80) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:529 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff82487ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:182 end trace frame: 0x0, count: -6 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020a37880 rbx 0xffff80000017b000 rdx 0 rcx 0xffff8000001ac000 rax 0xc r8 0x2 r9 0 r10 0x81047534784282de r11 0x394482604346214d r12 0xffff800000024c00 r13 0xc r14 0xfffffd806f758600 r15 0 rip 0xffffffff81c8d1a1 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020a377f0 ss 0x10 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (idle0) pid=465965 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0x40b7be756922ee4b, list=0xffff800020a29860,0xffff800020a28eb0 process=0xffff800020a2a780 user=0xffff800020a32000, vmspace=0xffffffff8264a2a0 estcpu=0, cpticks=2638, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 51774 437353 86548 0 3 0x82 nanosleep syz-executor.0 86548 424146 23985 0 3 0x82 thrsleep syz-execprog 86548 89828 23985 0 3 0x4000082 nanosleep syz-execprog 86548 371 23985 0 3 0x4000082 thrsleep syz-execprog 86548 31981 23985 0 3 0x4000082 thrsleep syz-execprog 86548 297944 23985 0 3 0x4000082 thrsleep syz-execprog 86548 372131 23985 0 3 0x4000082 thrsleep syz-execprog 86548 480090 23985 0 3 0x4000082 thrsleep syz-execprog 86548 122431 23985 0 3 0x4000082 thrsleep syz-execprog 86548 372262 23985 0 3 0x4000082 kqread syz-execprog 23985 405623 19949 0 3 0x10008a pause ksh 19949 210204 61149 0 3 0x92 select sshd 39294 371155 1 0 3 0x100083 ttyin getty 61149 461806 1 0 3 0x80 select sshd 8062 229845 58890 74 3 0x100092 bpf pflogd 58890 280825 1 0 3 0x80 netio pflogd 53438 442138 67025 73 3 0x100090 kqread syslogd 67025 71437 1 0 3 0x100082 netio syslogd 56630 341811 1 77 3 0x100090 poll dhclient 57953 73237 1 0 3 0x80 poll dhclient 93802 315971 0 0 3 0x14200 pgzero zerothread 51427 415510 0 0 3 0x14200 aiodoned aiodoned 23057 306386 0 0 3 0x14200 syncer update 85129 113689 0 0 3 0x14200 cleaner cleaner 78614 125098 0 0 3 0x14200 reaper reaper 16219 197199 0 0 3 0x14200 pgdaemon pagedaemon 7687 56086 0 0 3 0x14200 bored crynlk 99960 148712 0 0 3 0x14200 bored crypto 7700 429511 0 0 3 0x40014200 acpi0 acpi0 78282 63522 0 0 7 0x40014200 idle1 22198 4581 0 0 3 0x14200 bored softnet 32758 281458 0 0 3 0x14200 bored systqmp 78673 370248 0 0 3 0x14200 bored systq 4940 58581 0 0 3 0x40014200 bored softclock *20772 465965 0 0 7 0x40014200 idle0 50630 418603 0 0 3 0x14200 bored smr 1 222008 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 20772 (idle0) thread 0xffff800020a29380 (465965) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff82647250) #0 witness_lock+0x52e sys/kern/subr_witness.c:1164 #1 intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 #2 Xintr_ioapic_edge19_untramp+0x19f #3 acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 #4 sched_idle+0x3f7 sys/kern/kern_sched.c:182 #5 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9465 6395K 6395K 78643K 10556 0 pcb 13 8K 8K 78643K 13 0 rtable 83 2K 2K 78643K 163 0 ifaddr 37 9K 9K 78643K 39 0 counters 41 33K 33K 78643K 41 0 ioctlops 0 0K 4K 78643K 1468 0 mount 1 1K 1K 78643K 1 0 vnodes 1181 74K 74K 78643K 1186 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 2 4K 12K 78643K 18 0 proc 59 63K 83K 78643K 398 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 22 1K 1K 78643K 22 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 197 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 79 12K 12K 78643K 970 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 7 0 temp 29 3005K 3069K 78643K 1936 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 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 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 17 0 15 1 0 1 1 0 8 0 rtentry 112 34 0 1 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 1 0 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 34 0 28 1 0 1 1 0 8 0 nd6 48 2 0 0 1 0 1 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 11 0 0 1 0 1 1 0 8 0 pfstkey 112 11 0 0 1 0 1 1 0 8 0 pfstate 328 11 0 0 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 256 167 0 0 11 0 11 11 0 8 0 art_table 32 168 0 0 2 0 2 2 0 8 0 art_node 16 33 0 3 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1424 0 20 46 0 46 46 0 8 0 ffsino 272 1424 0 20 94 0 94 94 0 8 0 nchpl 144 1650 0 38 60 0 60 60 0 8 0 uvmvnodes 72 1434 0 0 27 0 27 27 0 8 0 vnodes 208 1434 0 0 76 0 76 76 0 8 0 namei 1024 4156 0 4156 1 0 1 1 0 8 1 percpumem 16 31 0 0 1 0 1 1 0 8 0 scxspl 192 4489 0 4489 2 1 1 2 0 8 1 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 432 225 0 212 2 0 2 2 0 8 0 knotepl 112 39 0 28 1 0 1 1 0 8 0 kqueuepl 104 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 74 0 67 1 0 1 1 0 8 0 pipepl 120 148 0 135 1 0 1 1 0 8 0 fdescpl 496 226 0 212 3 0 3 3 0 8 0 filepl 152 1136 0 1078 3 0 3 3 0 8 0 lockfpl 104 5 0 4 1 0 1 1 0 8 0 lockfspl 48 3 0 2 1 0 1 1 0 8 0 sessionpl 112 19 0 9 1 0 1 1 0 8 0 pgrppl 48 19 0 9 1 0 1 1 0 8 0 ucredpl 96 52 0 43 1 0 1 1 0 8 0 zombiepl 144 212 0 211 1 0 1 1 0 8 0 processpl 960 241 0 211 5 0 5 5 0 8 1 procpl 624 249 0 211 4 0 4 4 0 8 1 sockpl 400 80 0 62 2 0 2 2 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 77 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 94 0 0 6 0 6 6 0 8 0 bufpl 280 3808 0 191 259 0 259 259 0 8 0 anonpl 16 22286 0 20699 14 1 13 13 0 125 5 amapchunkpl 152 813 0 744 5 0 5 5 0 158 1 amappl16 192 86 0 62 2 0 2 2 0 8 0 amappl15 184 58 0 55 1 0 1 1 0 8 0 amappl14 176 29 0 25 1 0 1 1 0 8 0 amappl12 160 12 0 10 2 1 1 1 0 8 0 amappl11 152 52 0 37 1 0 1 1 0 8 0 amappl10 144 16 0 13 1 0 1 1 0 8 0 amappl9 136 440 0 437 1 0 1 1 0 8 0 amappl8 128 91 0 81 1 0 1 1 0 8 0 amappl7 120 100 0 89 1 0 1 1 0 8 0 amappl6 112 57 0 52 1 0 1 1 0 8 0 amappl5 104 124 0 110 1 0 1 1 0 8 0 amappl4 96 490 0 463 1 0 1 1 0 8 0 amappl3 88 124 0 116 1 0 1 1 0 8 0 amappl2 80 953 0 891 3 0 3 3 0 8 1 amappl1 72 15451 0 15026 26 8 18 21 0 8 8 amappl 80 476 0 447 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 226 0 212 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 226 0 212 1 0 1 1 0 8 0 vmmpekpl 168 6245 0 6220 2 0 2 2 0 8 0 vmmpepl 168 33129 0 32188 90 8 82 82 0 357 38 vmsppl 368 225 0 212 2 0 2 2 0 8 0 pdppl 4096 459 0 424 6 0 6 6 0 8 1 pvpl 32 112805 0 108816 115 0 115 115 0 265 80 pmappl 232 225 0 212 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 146 0 3 5 0 5 5 0 8 0 ddb{0}>