https://bugzilla.kernel.org/show_bug.cgi?id=219900 Bug ID: 219900 Summary: Guest kernel hit kernel panic when used some virtio-net options Product: Virtualization Version: unspecified Hardware: All OS: Linux Status: NEW Severity: low Priority: P3 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: leiyang@xxxxxxxxxx Regression: No 1. Boot up guest with some qemu options /usr/libexec/qemu-kvm \ -M q35 \ -m 16G \ -smp 12 \ -cpu host \ -device VGA,bus=pcie.0,addr=0x2 \ -drive file=//home/L1.qcow2,media=disk,if=virtio \ -device virtio-net-pci,id=net0,netdev=hostnet0,ctrl_vq=off,ctrl_rx=off,ctrl_vlan=off,ctrl_mac_addr=off,guest_announce=off,guest_csum=off,bus=pcie.0,addr=0x5 \ -netdev tap,id=hostnet0 \ -serial unix:/tmp/monitor1,server,nowait \ -vnc :0 \ -monitor stdio \ 2. Guest can not boot up and hit kernel call trace(Sometimes this problem need to reboot then reproduced) [ 12.048169] BUG: kernel NULL pointer dereference, address: 0000000000000010 [ 12.049665] #PF: supervisor write access in kernel mode [ 12.050707] [drm] Initialized bochs-drm 1.0.0 20130925 for 0000:00:02.0 on minor 0 [ 12.050732] #PF: error_code(0x0002) - not-present page [ 12.050735] PGD 0 P4D 0 [ 12.054129] Oops: 0002 [#1] PREEMPT SMP PTI [ 12.055931] CPU: 4 PID: 702 Comm: (udev-worker) Not tainted 6.3.0-rc7 #3 [ 12.058052] Hardware name: Red Hat KVM/RHEL, BIOS 1.16.1-1.el9 04/01/2014 [ 12.058056] RIP: 0010:virtnet_set_guest_offloads+0x4c/0xc0 [virtio_net] [ 12.058090] Code: 48 8b 87 f8 00 00 00 48 c7 04 24 00 00 00 00 48 c7 44 24 08 00 00 00 00 48 c7 44 24 10 00 00 00 00 48 c7 44 24 18 00 00 00 00 <48> 89 70 10 48 8b 87 f8 00 00 00 48 89 e7 48 8d 70 10 e8 dd f5 0a [ 12.058093] RSP: 0018:ffffb41ac07d7a88 EFLAGS: 00010246 [ 12.058097] RAX: 0000000000000000 RBX: ffff8e553d27c9c0 RCX: 0000000000000000 [ 12.058102] RDX: 0000000000000008 RSI: 0000000000000000 RDI: ffff8e553d27c9c0 [ 12.058104] RBP: 0000000000174829 R08: ffffffffb6eabb60 R09: ffff8e553d27c0a0 [ 12.058106] R10: 0000000000000008 R11: 0000000000000000 R12: ffff8e553d27c9c0 [ 12.058108] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8e55029d2800 [ 12.058110] FS: 00007f3d05923b40(0000) GS:ffff8e586fb00000(0000) knlGS:0000000000000000 [ 12.058113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.058115] CR2: 0000000000000010 CR3: 000000013a41c001 CR4: 0000000000170ee0 [ 12.058120] Call Trace: [ 12.058131] <TASK> [ 12.058135] virtnet_set_features+0x64/0xd0 [virtio_net] [ 12.058148] __netdev_update_features+0x2a7/0xb70 [ 12.058164] ? preempt_count_add+0x6a/0xa0 [ 12.058173] ? _raw_spin_unlock_irq+0x1b/0x40 [ 12.058182] ? pm_runtime_set_memalloc_noio+0x5e/0xa0 [ 12.058189] register_netdevice+0x426/0x670 [ 12.058195] virtnet_probe+0x5b8/0xca0 [virtio_net] [ 12.058208] virtio_dev_probe+0x1af/0x260 [ 12.058219] really_probe+0x1a2/0x400 [ 12.058226] ? __pfx___driver_attach+0x10/0x10 [ 12.058230] __driver_probe_device+0x78/0x170 [ 12.058233] driver_probe_device+0x1f/0x90 [ 12.058237] __driver_attach+0xce/0x1c0 [ 12.058241] bus_for_each_dev+0x84/0xd0 [ 12.058244] bus_add_driver+0x112/0x210 [ 12.058248] driver_register+0x55/0x100 [ 12.058252] ? __pfx_init_module+0x10/0x10 [virtio_net] [ 12.058263] virtio_net_driver_init+0x8a/0xff0 [virtio_net] [ 12.058273] ? __pfx_init_module+0x10/0x10 [virtio_net] [ 12.058282] do_one_initcall+0x59/0x230 [ 12.058292] do_init_module+0x4a/0x210 [ 12.058300] __do_sys_finit_module+0xac/0x120 [ 12.058306] do_syscall_64+0x5b/0x80 [ 12.058355] ? syscall_exit_to_user_mode+0x17/0x40 [ 12.058360] ? do_syscall_64+0x67/0x80 [ 12.058362] ? do_syscall_64+0x67/0x80 [ 12.058364] ? do_syscall_64+0x67/0x80 [ 12.058365] ? exc_page_fault+0x70/0x170 [ 12.058369] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 12.058379] fbcon: bochs-drmdrmfb (fb0) is primary device [ 12.058380] RIP: 0033:0x7f3d0632792d [ 12.058385] Code: 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d d3 e4 0c 00 f7 d8 64 89 01 48 [ 12.058388] RSP: 002b:00007fffc444e2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 12.058391] RAX: ffffffffffffffda RBX: 00005617f91e4f50 RCX: 00007f3d0632792d [ 12.058393] RDX: 0000000000000000 RSI: 00007f3d06826453 RDI: 000000000000000e [ 12.058395] RBP: 00007f3d06826453 R08: 0000000000000000 R09: 00007fffc444e420 [ 12.058397] R10: 000000000000000e R11: 0000000000000246 R12: 0000000000020000 [ 12.058400] R13: 00005617f91e45d0 R14: 0000000000000000 R15: 00005617f91e5f90 [ 12.058403] </TASK> [ 12.058405] Modules linked in: intel_cstate(+) intel_uncore(-) virtio_net(+) bochs(+) joydev drm_vram_helper net_failover i2c_i801 drm_ttm_helper failover ttm i2c_smbus pcspkr acpi_cpufreq(-) lpc_ich fuse loop zram crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 serio_raw virtio_blk qemu_fw_cfg [ 12.058451] CR2: 0000000000000010 [ 12.058516] ---[ end trace 0000000000000000 ]--- [ 12.058519] RIP: 0010:virtnet_set_guest_offloads+0x4c/0xc0 [virtio_net] [ 12.058530] Code: 48 8b 87 f8 00 00 00 48 c7 04 24 00 00 00 00 48 c7 44 24 08 00 00 00 00 48 c7 44 24 10 00 00 00 00 48 c7 44 24 18 00 00 00 00 <48> 89 70 10 48 8b 87 f8 00 00 00 48 89 e7 48 8d 70 10 e8 dd f5 0a [ 12.058532] RSP: 0018:ffffb41ac07d7a88 EFLAGS: 00010246 [ 12.058535] RAX: 0000000000000000 RBX: ffff8e553d27c9c0 RCX: 0000000000000000 [ 12.058537] RDX: 0000000000000008 RSI: 0000000000000000 RDI: ffff8e553d27c9c0 [ 12.058538] RBP: 0000000000174829 R08: ffffffffb6eabb60 R09: ffff8e553d27c0a0 [ 12.058541] R10: 0000000000000008 R11: 0000000000000000 R12: ffff8e553d27c9c0 [ 12.058543] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8e55029d2800 [ 12.058545] FS: 00007f3d05923b40(0000) GS:ffff8e586fb00000(0000) knlGS:0000000000000000 [ 12.058547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.058548] CR2: 0000000000000010 CR3: 000000013a41c001 CR4: 0000000000170ee0 [ 12.065375] Adding 8388604k swap on /dev/zram0. Priority:100 extents:1 across:8388604k SSDscFS -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.