uvm_fault(0xffffffff828e4720, 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(0xffffffff828e4720, 0xa, 0, 1) -> e vio_rxeof(ffff80000017c000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 end trace frame: 0xffff800020d90e70, count: 0 ddb{0}> trace vio_rxeof(ffff80000017c000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017c050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056 intr_handler(ffff800020d90ed0,ffff800000256b80) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:536 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff82780ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -6 ddb{0}> show registers rdi 0xc rsi 0xc rbp 0xffff800020d90e10 rbx 0xffff80000017c000 rdx 0 rcx 0xffffffff82780ff0 cpu_info_full_primary+0x1ff0 rax 0xffffffff82780ff0 cpu_info_full_primary+0x1ff0 r8 0x2 r9 0 r10 0xf8dd43227cb9d38 r11 0xeba06ef61034ae68 r12 0xffff800000024c00 r13 0xc r14 0xfffffd806a820400 r15 0 rip 0xffffffff8229fe71 vio_rxeof+0x191 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff800020d90d80 ss 0x10 vio_rxeof+0x191: movzwl 0xa(%r15),%eax ddb{0}> show proc PROC (idle0) pid=230306 stat=onproc flags process=14000 proc=40000200 pri=0, usrpri=50, nice=20 forw=0x983ed1fdc232b7fe, list=0xffff800020d89ad0,0xffff800020d88eb0 process=0xffff800020d8b360 user=0xffff800020d8c000, vmspace=0xffffffff828e4720 estcpu=0, cpticks=3317, pctcpu=0.0 user=0, sys=0, intr=1 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 14569 148504 39964 0 3 0x80 nanosleep syz-executor.1 14569 18899 39964 0 3 0x4000080 netio syz-executor.1 19007 154737 0 0 3 0x14200 bored sosplice 39964 364586 44407 0 3 0x82 nanosleep syz-executor.1 311 30845 44407 0 3 0x82 piperd syz-executor.0 44407 39574 37079 0 3 0x82 thrsleep syz-fuzzer 44407 339309 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 296697 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 328881 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 439147 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 230467 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 347403 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 89654 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 215111 37079 0 3 0x4000082 thrsleep syz-fuzzer 44407 353692 37079 0 3 0x4000082 kqread syz-fuzzer 37079 334554 37212 0 3 0x10008a pause ksh 37212 371477 84457 0 3 0x92 select sshd 75745 219052 1 0 3 0x100083 ttyin getty 84457 323186 1 0 3 0x80 select sshd 25249 19161 27925 74 3 0x100092 bpf pflogd 27925 333812 1 0 3 0x80 netio pflogd 95343 72502 52667 73 3 0x100090 kqread syslogd 52667 446089 1 0 3 0x100082 netio syslogd 17376 364708 1 77 3 0x100090 poll dhclient 89884 82043 1 0 3 0x80 poll dhclient 34976 108330 0 0 3 0x14200 bored smr 64718 346369 0 0 3 0x14200 pgzero zerothread 52210 138875 0 0 3 0x14200 aiodoned aiodoned 54913 471963 0 0 3 0x14200 syncer update 83881 1512 0 0 3 0x14200 cleaner cleaner 13959 340367 0 0 3 0x14200 reaper reaper 89635 307067 0 0 3 0x14200 pgdaemon pagedaemon 29655 386096 0 0 3 0x14200 bored crynlk 68943 419345 0 0 3 0x14200 bored crypto 53196 241507 0 0 3 0x40014200 acpi0 acpi0 81917 420884 0 0 7 0x40014200 idle1 15781 274451 0 0 3 0x14200 bored softnet 38480 91472 0 0 3 0x14200 bored systqmp 71337 153963 0 0 3 0x14200 bored systq 78123 100710 0 0 3 0x40014200 bored softclock *30178 230306 0 0 7 0x40014200 idle0 1 187311 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 30178 (idle0) thread 0xffff800020d89860 (230306) exclusive kernel_lock &kernel_lock r = 1 (0xffffffff828dfa20) #0 witness_lock+0x4c7 stacktrace_save sys/sys/stacktrace.h:36 [inline] #0 witness_lock+0x4c7 sys/kern/subr_witness.c:1164 #1 intr_handler+0x5e sys/arch/amd64/amd64/intr.c:532 #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:178 #5 proc_trampoline+0x1c ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9494 6406K 6661K 78643K 10813 0 pcb 13 8K 8K 78643K 31 0 rtable 114 5K 7K 78643K 285 0 ifaddr 62 13K 14K 78643K 95 0 counters 43 33K 34K 78643K 49 0 ioctlops 0 0K 4K 78643K 1496 0 iov 0 0K 16K 78643K 26 0 mount 1 1K 1K 78643K 1 0 vnodes 1220 77K 77K 78643K 1285 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 5K 78643K 5 0 VM map 2 1K 1K 78643K 2 0 sem 12 0K 0K 78643K 43 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 5 13K 25K 78643K 272 0 sigio 0 0K 0K 78643K 4 0 proc 61 63K 83K 78643K 445 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 9 0 in_multi 47 2K 3K 78643K 58 0 ether_multi 1 0K 0K 78643K 3 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 220 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 137 39K 40K 78643K 1786 0 UVM aobj 21 5K 6K 78643K 25 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 21 0 NDP 9 0K 0K 78643K 16 0 temp 93 3857K 3921K 78643K 2633 0 kqueue 3 4K 10K 78643K 10 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 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 80 36 0 34 1 0 1 1 0 8 0 rtentry 112 46 0 1 2 0 2 2 0 8 0 unpcb 120 579 0 567 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 574 0 574 1 1 0 1 0 8 0 tcpcb 544 91 0 87 1 0 1 1 0 8 0 inpcb 296 336 0 329 2 1 1 2 0 8 0 nd6 48 7 0 0 1 0 1 1 0 8 0 ppxss 1136 1 0 1 1 1 0 1 0 8 0 pfstscr 40 2 0 2 1 0 1 1 0 8 1 pffrag 232 1 0 0 1 0 1 1 0 482 0 pffrnode 88 1 0 0 1 0 1 1 0 8 0 pffrent 40 4 0 3 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 pfrktable 1344 22 0 20 1 0 1 1 0 8 0 pfstitem 24 26 0 5 1 0 1 1 0 8 0 pfstkey 112 30 0 9 1 0 1 1 0 8 0 pfstate 328 28 0 7 2 0 2 2 0 8 0 pfrule 1360 26 0 20 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 191 0 0 12 0 12 12 0 8 0 art_table 32 192 0 0 2 0 2 2 0 8 0 art_node 16 45 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 1 0 1 0 8 0 semapl 112 41 0 31 1 0 1 1 0 8 0 shmpl 112 22 0 4 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1762 0 354 89 0 89 89 0 8 0 ffsino 272 1762 0 354 96 1 95 95 0 8 0 nchpl 144 2330 0 719 60 0 60 60 0 8 0 uvmvnodes 72 1857 0 0 34 0 34 34 0 8 0 vnodes 208 1857 0 0 98 0 98 98 0 8 0 namei 1024 6092 0 6092 2 1 1 1 0 8 1 percpumem 16 35 0 3 1 0 1 1 0 8 0 vcpupl 1984 2 0 0 1 0 1 1 0 8 0 vmpool 560 2 0 0 1 0 1 1 0 8 0 pfiaddrpl 120 7 0 5 1 0 1 1 0 8 0 scxspl 192 7131 0 7131 9 7 2 7 0 8 2 plimitpl 152 29 0 21 1 0 1 1 0 8 0 sigapl 424 488 0 456 4 0 4 4 0 8 0 futexpl 56 3385 0 3385 1 0 1 1 0 8 1 knotepl 112 69 0 50 1 0 1 1 0 8 0 kqueuepl 144 30 0 28 1 0 1 1 0 8 0 pipepl 304 99 0 89 2 1 1 2 0 8 0 fdescpl 496 472 0 456 3 0 3 3 0 8 0 filepl 152 2700 0 2598 6 1 5 5 0 8 1 lockfpl 104 98 0 97 1 0 1 1 0 8 0 lockfspl 48 30 0 29 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 22 0 11 1 0 1 1 0 8 0 ucredpl 96 202 0 193 1 0 1 1 0 8 0 zombiepl 144 456 0 456 2 1 1 1 0 8 1 processpl 992 488 0 456 6 1 5 5 0 8 0 procpl 624 1002 0 960 4 0 4 4 0 8 0 sosppl 128 1 0 1 1 1 0 1 0 8 0 sockpl 400 954 0 933 5 1 4 4 0 8 1 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 3 0 0 1 0 1 1 0 8 0 mcl9k 9216 3 0 0 1 0 1 1 0 8 0 mcl8k 8192 3 0 0 1 0 1 1 0 8 0 mcl4k 4096 6 0 0 1 0 1 1 0 8 0 mcl2k2 2112 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 234 0 0 29 0 29 29 0 8 0 mtagpl 96 10 0 0 1 0 1 1 0 8 0 mbufpl 256 239 0 0 15 0 15 15 0 8 0 bufpl 280 3866 0 134 267 0 267 267 0 8 0 anonpl 16 60561 0 44272 79 6 73 78 0 124 2 amapchunkpl 152 2343 0 2192 12 4 8 12 0 158 0 amappl16 192 2129 0 1177 49 1 48 49 0 8 0 amappl15 184 123 0 122 2 1 1 1 0 8 0 amappl14 176 22 0 18 1 0 1 1 0 8 0 amappl13 168 28 0 25 1 0 1 1 0 8 0 amappl12 160 8 0 8 2 2 0 1 0 8 0 amappl11 152 56 0 40 1 0 1 1 0 8 0 amappl10 144 143 0 138 1 0 1 1 0 8 0 amappl9 136 386 0 384 1 0 1 1 0 8 0 amappl8 128 367 0 325 2 0 2 2 0 8 0 amappl7 120 125 0 112 1 0 1 1 0 8 0 amappl6 112 26 0 22 1 0 1 1 0 8 0 amappl5 104 377 0 359 1 0 1 1 0 8 0 amappl4 96 497 0 463 1 0 1 1 0 8 0 amappl3 88 120 0 115 1 0 1 1 0 8 0 amappl2 80 2902 0 2828 2 0 2 2 0 8 0 amappl1 72 22410 0 21963 23 13 10 18 0 8 0 amappl 80 1248 0 1203 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 24 0 4 1 0 1 1 0 8 0 uaddrrnd 24 474 0 456 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 474 0 456 1 0 1 1 0 8 0 vmmpekpl 168 7383 0 7346 2 0 2 2 0 8 0 vmmpepl 168 66794 0 64645 125 14 111 120 0 357 12 vmsppl 368 473 0 456 2 0 2 2 0 8 0 pdppl 4096 955 0 914 7 1 6 6 0 8 0 pvpl 32 198176 0 178701 185 5 180 185 0 265 13 pmappl 232 473 0 456 3 1 2 2 0 8 0 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 274 0 7 8 0 8 8 0 8 0 ddb{0}> machine ddbcpu 0 Invalid cpu 0 ddb{0}> trace vio_rxeof(ffff80000017c000) at vio_rxeof+0x191 sys/dev/pv/if_vio.c:1018 vio_rx_intr(ffff80000017c050) at vio_rx_intr+0x4d sys/dev/pv/if_vio.c:1056 intr_handler(ffff800020d90ed0,ffff800000256b80) at intr_handler+0x8f sys/arch/amd64/amd64/intr.c:536 Xintr_ioapic_edge19_untramp() at Xintr_ioapic_edge19_untramp+0x19f acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffffffff82780ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -6 ddb{0}> machine ddbcpu 1 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp ddb{1}> trace x86_ipi_db(ffff800020d70ff0) at x86_ipi_db+0x1a sys/arch/amd64/amd64/db_interface.c:352 x86_ipi_handler() at x86_ipi_handler+0xc6 sys/arch/amd64/amd64/ipi.c:106 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 acpicpu_idle() at acpicpu_idle+0x331 sys/dev/acpi/acpicpu.c:1187 sched_idle(ffff800020d70ff0) at sched_idle+0x3f7 sys/kern/kern_sched.c:178 end trace frame: 0x0, count: -5