This still triggers with the current version of QEMU. Marking as "Confirmed"
** Changed in: qemu Status: New => Confirmed -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1890159 Title: Assertion failure in net_tx_pkt_add_raw_fragment through vmxnet3 Status in QEMU: Confirmed Bug description: Hello, Reproducer: cat << EOF | ./i386-softmmu/qemu-system-i386 \ -device vmxnet3 -m 64 -nodefaults -qtest stdio -nographic outl 0xcf8 0x80001010 outl 0xcfc 0xe0000000 outl 0xcf8 0x80001014 outl 0xcfc 0xe0001000 outl 0xcf8 0x80001018 outl 0xcf8 0x80001001 outl 0xcfc 0x3fff3fff outl 0xcf8 0x80001016 outl 0xcfc 0x5c84ff00 outl 0xcf8 0x800010ff write 0x0 0x1 0xe1 write 0x1 0x1 0xfe write 0x2 0x1 0xbe write 0x3 0x1 0xba writeq 0xff001020 0xef0bff5ecafe0000 writel 0xe0000605 0xa7ff845e EOF ============================================================== qemu-system-i386: hw/net/net_tx_pkt.c:382: _Bool net_tx_pkt_add_raw_fragment(struct NetTxPkt *, hwaddr, size_t): Assertion `pkt->max_raw_frags > pkt->raw_frags' failed. Aborted #9 0x5607db7efdc0 in net_tx_pkt_add_raw_fragment /home/alxndr/Development/qemu/general-fuzz/hw/net/net_tx_pkt.c:382:5 #10 0x5607db902ef0 in vmxnet3_process_tx_queue /home/alxndr/Development/qemu/general-fuzz/hw/net/vmxnet3.c:653:18 #11 0x5607db9021db in vmxnet3_io_bar0_write /home/alxndr/Development/qemu/general-fuzz/hw/net/vmxnet3.c:1097:9 #12 0x5607da41f193 in memory_region_write_accessor /home/alxndr/Development/qemu/general-fuzz/softmmu/memory.c:483:5 #13 0x5607da41e637 in access_with_adjusted_size /home/alxndr/Development/qemu/general-fuzz/softmmu/memory.c:544:18 #14 0x5607da41c256 in memory_region_dispatch_write /home/alxndr/Development/qemu/general-fuzz/softmmu/memory.c:1466:16 #15 0x5607d97cd4a6 in flatview_write_continue /home/alxndr/Development/qemu/general-fuzz/exec.c:3176:23 -Alex To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1890159/+subscriptions