uvm_fault(0xffffffff826443a0, 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(0xffffffff826443a0, 0xa, 0, 1) -> e vio_rxeof(ffff800000173000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 end trace frame: 0xffff800020a5d210, count: 0 ddb{0}> trace vio_rxeof(ffff800000173000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff800000173050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1055 intr_handler(ffff800020a5d270,ffff80000024db00) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:529 Xintr_ioapic_edge19_untramp(0,ffffffff81fd3940,0,18041969,a,0) at Xintr_ioapic_edge19_untramp+0x19f Xspllower(0,0,3c16da030c49ff3f,0,ffffffff8263fc40,caa8914000) at Xspllower+0x19 pool_put(ffffffff8263fc40,fffffd806ccbed70) at pool_put+0x201 sys/kern/subr_pool.c:815 pmap_do_remove(fffffd807f00a0e8,caa88f3000,caa8914000,0) at pmap_do_remove+0x61b sys/arch/amd64/amd64/pmap.c:1798 uvm_map_teardown(fffffd807f00b730) at uvm_map_teardown+0x195 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:206 [inline] uvm_map_teardown(fffffd807f00b730) at uvm_map_teardown+0x195 sys/uvm/uvm_map.c:2715 uvmspace_free(fffffd807f00b730) at uvmspace_free+0x86 sys/uvm/uvm_map.c:3588 uvm_exit(ffff800020adc380) at uvm_exit+0x29 sys/uvm/uvm_glue.c:297 reaper(ffff800020a5fb30) at reaper+0x189 sys/kern/kern_exit.c:442 end trace frame: 0x0, count: -11 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020a5d1b0 rbx 0xffff800000173000 rdx 0 rcx 0xffff8000001a4000 rax 0xc r8 0x2 r9 0 r10 0xa74d26d842d72d24 r11 0x39a7edcf6a9add45 r12 0xffff80000001ce00 r13 0xc r14 0xfffffd807dc21d00 r15 0 rip 0xffffffff81398251 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020a5d120 ss 0x10 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (reaper) pid=470658 stat=onproc flags process=14000 proc=200 pri=4, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff800020a11638,0xffff800020a5f3d8 process=0xffff800020a4a708 user=0xffff800020a58000, vmspace=0xffffffff826443a0 estcpu=1, cpticks=7, pctcpu=0.2 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 89076 293633 67851 0 3 0x82 nanosleep syz-executor.0 67851 70341 47142 0 3 0x82 kqread syz-execprog 67851 216455 47142 0 3 0x4000082 nanosleep syz-execprog 67851 53393 47142 0 3 0x4000082 thrsleep syz-execprog 67851 187303 47142 0 3 0x4000082 thrsleep syz-execprog 67851 286927 47142 0 3 0x4000082 thrsleep syz-execprog 67851 354430 47142 0 3 0x4000082 thrsleep syz-execprog 67851 249194 47142 0 3 0x4000082 thrsleep syz-execprog 67851 209481 47142 0 3 0x4000082 thrsleep syz-execprog 67851 94862 47142 0 3 0x4000082 thrsleep syz-execprog 47142 261045 453 0 3 0x10008a pause ksh 453 318790 41950 0 3 0x92 select sshd 35528 323571 1 0 3 0x100083 ttyin getty 41950 209241 1 0 3 0x80 select sshd 71354 261824 95205 74 3 0x100092 bpf pflogd 95205 414815 1 0 3 0x80 netio pflogd 26626 58912 76978 73 3 0x100090 kqread syslogd 76978 160333 1 0 3 0x100082 netio syslogd 77709 507683 1 77 3 0x100090 poll dhclient 46502 115226 1 0 3 0x80 poll dhclient 16618 347024 0 0 3 0x14200 pgzero zerothread 56318 464074 0 0 3 0x14200 aiodoned aiodoned 99800 514299 0 0 3 0x14200 syncer update 14790 94592 0 0 3 0x14200 cleaner cleaner *83251 470658 0 0 7 0x14200 reaper 50987 414940 0 0 3 0x14200 pgdaemon pagedaemon 75110 229737 0 0 3 0x14200 bored crynlk 43078 149564 0 0 3 0x14200 bored crypto 47844 284505 0 0 3 0x40014200 acpi0 acpi0 73120 119822 0 0 7 0x40014200 idle1 28863 279607 0 0 3 0x14200 bored softnet 95028 499044 0 0 3 0x14200 bored systqmp 61238 93651 0 0 3 0x14200 bored systq 27132 510899 0 0 3 0x40014200 bored softclock 78203 415270 0 0 3 0x40014200 idle0 58850 65363 0 0 3 0x14200 bored smr 1 53041 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 83251 (reaper) thread 0xffff800020a5fb30 (470658) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff826329b0) #0 witness_lock+0x52e sys/kern/subr_witness.c:1163 #1 intr_handler+0x5e sys/arch/amd64/amd64/intr.c:525 #2 Xintr_ioapic_edge19_untramp+0x19f #3 Xspllower+0x19 #4 pool_put+0x201 sys/kern/subr_pool.c:815 #5 pmap_do_remove+0x61b sys/arch/amd64/amd64/pmap.c:1798 #6 uvm_map_teardown+0x195 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:206 [inline] #6 uvm_map_teardown+0x195 sys/uvm/uvm_map.c:2715 #7 uvmspace_free+0x86 sys/uvm/uvm_map.c:3588 #8 uvm_exit+0x29 sys/uvm/uvm_glue.c:297 #9 reaper+0x189 sys/kern/kern_exit.c:442 #10 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim Kern Lim devbuf 9457 6385K 6385K 78643K 10544 0 0 pcb 13 8K 8K 78643K 13 0 0 rtable 77 2K 2K 78643K 165 0 0 ifaddr 32 9K 9K 78643K 36 0 0 counters 39 33K 33K 78643K 39 0 0 ioctlops 0 0K 4K 78643K 1468 0 0 mount 1 1K 1K 78643K 1 0 0 vnodes 1181 74K 74K 78643K 1186 0 0 UFS quota 1 32K 32K 78643K 1 0 0 UFS mount 5 36K 36K 78643K 5 0 0 shm 2 1K 1K 78643K 2 0 0 VM map 2 1K 1K 78643K 2 0 0 sem 2 0K 0K 78643K 2 0 0 dirhash 12 2K 2K 78643K 12 0 0 ACPI 1808 196K 290K 78643K 12765 0 0 file desc 2 4K 12K 78643K 21 0 0 proc 59 63K 83K 78643K 384 0 0 NFS srvsock 1 0K 0K 78643K 1 0 0 NFS daemon 1 16K 16K 78643K 1 0 0 in_multi 22 1K 1K 78643K 22 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 18 79K 79K 78643K 18 0 0 exec 0 0K 1K 78643K 199 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 74 12K 12K 78643K 961 0 0 UVM aobj 2 2K 2K 78643K 2 0 0 memdesc 1 4K 4K 78643K 1 0 0 crypto data 1 1K 1K 78643K 1 0 0 NDP 7 0K 0K 78643K 7 0 0 temp 48 3542K 3606K 78643K 3342 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 1 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 4 1 0 1 1 0 8 0 unpcb 120 29 0 19 1 0 1 1 0 8 0 syncache 264 5 0 5 2 1 1 1 0 8 1 tcpcb 544 8 0 5 1 0 1 1 0 8 0 inpcb 280 37 0 31 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 2 1 0 1 1 0 8 0 pfstkey 112 11 0 2 1 0 1 1 0 8 0 pfstate 328 11 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 256 168 0 2 11 0 11 11 0 8 0 art_table 32 169 0 2 2 0 2 2 0 8 0 art_node 16 33 0 6 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino1pl 128 1425 0 23 46 0 46 46 0 8 0 ffsino 272 1425 0 23 94 0 94 94 0 8 0 nchpl 144 1667 0 56 60 0 60 60 0 8 0 uvmvnodes 72 1435 0 0 27 0 27 27 0 8 0 vnodes 208 1435 0 0 76 0 76 76 0 8 0 namei 1024 4154 0 4154 2 1 1 1 0 8 1 percpumem 16 30 0 0 1 0 1 1 0 8 0 scxspl 192 4248 0 4248 9 2 7 7 0 8 7 plimitpl 152 15 0 8 1 0 1 1 0 8 0 sigapl 432 229 0 216 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 pipepl 112 154 0 141 2 1 1 1 0 8 0 fdescpl 488 230 0 216 3 0 3 3 0 8 0 filepl 152 1127 0 1069 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 144 216 0 215 2 1 1 1 0 8 0 processpl 896 245 0 215 4 0 4 4 0 8 0 procpl 632 253 0 215 4 0 4 4 0 8 0 sockpl 384 83 0 65 2 0 2 2 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 76 0 0 10 0 10 10 0 8 0 mtagpl 80 1 0 0 1 0 1 1 0 8 0 mbufpl 256 114 0 0 6 0 6 6 0 8 0 bufpl 256 5889 0 1315 286 0 286 286 0 8 0 anonpl 16 22264 0 20636 15 2 13 13 0 124 6 amapchunkpl 152 768 0 702 5 0 5 5 0 158 1 amappl16 192 149 0 115 2 0 2 2 0 8 0 amappl14 176 27 0 23 2 1 1 1 0 8 0 amappl13 168 5 0 3 1 0 1 1 0 8 0 amappl12 160 11 0 9 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 136 463 0 457 1 0 1 1 0 8 0 amappl8 128 128 0 118 1 0 1 1 0 8 0 amappl7 120 37 0 33 1 0 1 1 0 8 0 amappl6 112 77 0 67 1 0 1 1 0 8 0 amappl5 104 133 0 119 1 0 1 1 0 8 0 amappl4 96 499 0 470 1 0 1 1 0 8 0 amappl3 88 117 0 110 1 0 1 1 0 8 0 amappl2 80 967 0 904 4 1 3 3 0 8 1 amappl1 72 15185 0 14769 26 8 18 20 0 8 8 amappl 80 481 0 452 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 17 0 17 1 1 0 1 0 8 0 aobjpl 64 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 230 0 216 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 230 0 216 1 0 1 1 0 8 0 vmmpekpl 168 6436 0 6414 2 0 2 2 0 8 0 vmmpepl 168 32771 0 31813 95 15 80 80 0 357 38 vmsppl 368 229 0 215 2 0 2 2 0 8 0 pdppl 4096 467 0 430 6 0 6 6 0 8 1 pvpl 32 112771 0 108707 120 5 115 115 0 265 81 pmappl 232 229 0 215 1 0 1 1 0 8 0 extentpl 40 41 0 26 1 0 1 1 0 8 0 phpool 112 427 0 4 13 0 13 13 0 8 0 ddb{0}>