https://gitlab.com/qemu-project/qemu/-/commit/5311fb805a4403bba
** Changed in: qemu
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1910826
Title:
[OSS-Fuzz] Issue 29224 rtl8139: Stack-overflow in
rtlNUMBER_transmit_one
Status in QEMU:
Fix Released
Bug description:
=== Reproducer ===
cat << EOF | ../build/qemu-system-i386 -machine q35 \
-nodefaults -device rtl8139,netdev=net0 \
-netdev user,id=net0 -display none -qtest stdio
outl 0xcf8 0x80000804
outb 0xcfc 0x26
outl 0xcf8 0x80000817
outb 0xcfc 0xff
write 0x1 0x1 0x42
write 0x5 0x1 0x42
write 0x9 0x1 0x42
write 0xd 0x1 0x42
write 0xff000044 0x4 0x11
write 0xff000037 0x1 0x1c
writel 0xff000030 0xff000000
write 0xff000040 0x4 0x100006
write 0xff000010 0x4 0x01020
EOF
=== Stack Trace ===
==2819215==ERROR: AddressSanitizer: stack-overflow on address 0x7ffd2c714040
(pc 0x5639b3a933d9 bp 0x7ffd2c716210 sp 0x7ffd2c714040 T0)
#0 rtl8139_transmit_one /src/qemu/hw/net/rtl8139.c:1815
#1 rtl8139_transmit /src/qemu/hw/net/rtl8139.c:2388:9
#2 rtl8139_TxStatus_write /src/qemu/hw/net/rtl8139.c:2442:5
#3 rtl8139_io_writel /src/qemu/hw/net/rtl8139.c:2865:13
#4 rtl8139_ioport_write /src/qemu/hw/net/rtl8139.c:3290:9
#5 memory_region_write_accessor /src/qemu/softmmu/memory.c:491:5
#6 access_with_adjusted_size /src/qemu/softmmu/memory.c:552:18
#7 memory_region_dispatch_write /src/qemu/softmmu/memory.c:0:13
#8 flatview_write_continue /src/qemu/softmmu/physmem.c:2759:23
#9 flatview_write /src/qemu/softmmu/physmem.c:2799:14
#10 address_space_write /src/qemu/softmmu/physmem.c:2891:18
#11 address_space_rw /src/qemu/softmmu/physmem.c:2901:16
#12 dma_memory_rw_relaxed /src/qemu/include/sysemu/dma.h:88:12
#13 dma_memory_rw /src/qemu/include/sysemu/dma.h:127:12
#14 pci_dma_rw /src/qemu/include/hw/pci/pci.h:801:12
#15 pci_dma_write /src/qemu/include/hw/pci/pci.h:837:12
#16 rtl8139_write_buffer /src/qemu/hw/net/rtl8139.c:778:5
#17 rtl8139_do_receive /src/qemu/hw/net/rtl8139.c:1172:9
#18 rtl8139_transfer_frame /src/qemu/hw/net/rtl8139.c:1798:9
#19 rtl8139_transmit_one /src/qemu/hw/net/rtl8139.c:1845:5
#20 rtl8139_transmit /src/qemu/hw/net/rtl8139.c:2388:9
#21 rtl8139_TxStatus_write /src/qemu/hw/net/rtl8139.c:2442:5
#22 rtl8139_io_writel /src/qemu/hw/net/rtl8139.c:2865:13
#23 rtl8139_ioport_write /src/qemu/hw/net/rtl8139.c:3290:9
#24 memory_region_write_accessor /src/qemu/softmmu/memory.c:491:5
#25 access_with_adjusted_size /src/qemu/softmmu/memory.c:552:18
#26 memory_region_dispatch_write /src/qemu/softmmu/memory.c:0:13
#27 flatview_write_continue /src/qemu/softmmu/physmem.c:2759:23
#28 flatview_write /src/qemu/softmmu/physmem.c:2799:14
#29 address_space_write /src/qemu/softmmu/physmem.c:2891:18
#30 address_space_rw /src/qemu/softmmu/physmem.c:2901:16
#31 dma_memory_rw_relaxed /src/qemu/include/sysemu/dma.h:88:12
#32 dma_memory_rw /src/qemu/include/sysemu/dma.h:127:12
#33 pci_dma_rw /src/qemu/include/hw/pci/pci.h:801:12
#34 pci_dma_write /src/qemu/include/hw/pci/pci.h:837:12
#35 rtl8139_write_buffer /src/qemu/hw/net/rtl8139.c:778:5
#36 rtl8139_do_receive /src/qemu/hw/net/rtl8139.c:1172:9
#37 rtl8139_transfer_frame /src/qemu/hw/net/rtl8139.c:1798:9
Repeat until we run out of stack
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=29224
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