make -C tools/testing/selftests TARGETS=net TEST_PROGS=l2_tos_ttl_inherit..sh TEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-3/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net' make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net' TAP version 13 1..1 # timeout set to 6000 # selftests: net: l2_tos_ttl_inherit.sh # ┌────────┬───────┬───────┬──────────────┬──────────────┬───────┬────────┐ [ 23.483212][ T235] gre: GRE over IPv4 demultiplexor driver # ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ # │ Type │ outer | inner │ tos │ ttl │ vlan │ result │ # ├────────┼───────┼───────┼──────────────┼──────────────┼─────┼────────┤ # │ gre │ 4 │ 4 │ inherit 0x20 │ inherit 75 │ false │[ 24.603918][ T251] ip (251) used greatest stack depth: 23936 bytes left [ 25.908054][ T259] ip_gre: GRE over IPv4 tunneling driver OK │ # │ gre │ 4 │ 4 │ inherit 0x58 │ inherit 171 │ true │ OK │ # │ gre │ 4 │ 4 │ fixed 0xd4 │ fixed 7 │ false │ OK │ # │ gre │ 4 │ 4 │ fixed 0xac │ fixed 232 │ true │ OK │ # ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ # │ gre │ 4 │ 6 │ inherit 0x08 │ inherit 137 │ false │[ 48.294252][ T456] ip (456) used greatest stack depth: 23920 bytes left OK │ # │ gre │ 4 │ 6 │ inherit 0xf0 │ inherit 63 │ true │ OK │ # │ gre │ 4 │ 6 │ fixed 0x64 │ fixed 38 │ false │ OK │ # │ gre │ 4 │ 6 │ fixed 0x6c │ fixed 135 │ true │ OK │ # ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ # │ gre │ 4 │ other │ inherit 0x24 │ inherit 123 │ false │ OK │ # │ gre │ 4 │ other │ inherit 0x60 │ inherit 66 │ true │ OK │ # │ gre │ 4 │ other │ fixed 0x0c │ fixed 136 │ false │ OK │ # │ gre │ 4 │ other │ fixed 0x08 │ fixed 253 │ true │ OK │ # ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ # │ Type │ outer | inner │ tos │ ttl │ vlan │ result │ # ├────────┼───────┼───────┼──────────────┼────────────────────┼────────┤ # │ gre │ 6 │ 4 │ inherit 0xbc │ inherit 15 │ false │[ 94.949901][ T832] ip6_gre: GRE over IPv6 tunneling driver OK │ # │ gre │ 6 │ 4 │ inherit 0xac │ inherit 80 │ true │ OK │ # │ gre │ 6 │ 4 │ fixed 0x1c │ fixed 48 │ false │ OK │ # │ gre │ 6 │ 4 │ fixed 0xc8 │ fixed 11 │ true │ OK │ # ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ # │ gre │ 6 │ 6 │ inherit 0x6c │ inherit 132 │ false │ OK │ # │ gre │ 6 │ 6 │ inherit 0x88 │ inherit 206 │ true │ OK │ # │ gre │ 6 │ 6 │ fixed 0x98 │ fixed 169 │ false │ OK │ # │ gre │ 6 │ 6 │ fixed 0xa4 │ fixed 239 │ true │ OK │ # ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ # │ gre │ 6 │ other │ inherit 0x5c │ inherit 23 │ false │ OK │ [ 141.403384][ C1] ip6_tunnel: tep0 xmit: Local address not yet configured! # │ gre │ 6 │ other │ inherit 0x40 │ inherit 94 │ true │ OK │ [ 148.123327][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! # │ gre │ 6 │ other │ fixed 0xb4 │ fixed 78 │ false │ OK │ [ 153.563260][ C0] ip6_tunnel: tep0 xmit: Local address not yet configured! # │ gre │ 6 │ other │ fixed 0x3c │ fixed 173 │ true │ OK │ [ 160.155359][ C3] ip6_tunnel: tep0 xmit: Local address not yet configured! # ├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤ # │ Type │ outer | inner │ tos │ ttl │ vlan │ result │ # ├────────┼───────┼───────┼────────────┼──────────────┼───────┼────────┤ # │ vxlan │ 4 │ 4 │ inherit 0xf0 │ inherit 138 │ false │ OK │ [ 164.925151][ T71] ================================================================== [ 164.925879][ T71] BUG: KASAN: use-after-free in vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 164.926582][ T71] Read of size 8 at addr ffff888007178bf0 by task kworker/u8:1/71 [ 164.927214][ T71] [ 164.927418][ T71] CPU: 3 PID: 71 Comm: kworker/u8:1 Not tainted 6.8.0-rc2-virtme #1 [ 164.927852][ T71] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 164.928487][ T71] Workqueue: netns cleanup_net [ 164.928742][ T71] Call Trace: [ 164.928915][ T71] [ 164.929066][ T71] dump_stack_lvl+0x64/0xb0 [ 164.929304][ T71] print_address_description.constprop.0+0x2c/0x3b0 [ 164.929664][ T71] ? vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 164.929990][ T71] print_report+0xb5/0x270 [ 164.930214][ T71] ? kasan_addr_to_slab+0x4e/0x90 [ 164.930476][ T71] kasan_report+0xbe/0xf0 [ 164.930697][ T71] ? vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 164.931018][ T71] vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 164.931338][ T71] ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan] [ 164.931677][ T71] ? netconsole_netdev_event+0x1b4/0x300 [ 164.931966][ T71] notifier_call_chain+0x9a/0x290 [ 164.932227][ T71] unregister_netdevice_many_notify+0x55a/0x1180 [ 164.932555][ T71] ? mutex_is_locked+0x17/0x50 [ 164.932799][ T71] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 164.933139][ T71] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 164.933493][ T71] default_device_exit_batch+0x228/0x2c0 [ 164.933774][ T71] ? __pfx_default_device_exit_batch+0x10/0x10 [ 164.934084][ T71] ? mutex_is_locked+0x17/0x50 [ 164.934328][ T71] ? nexthop_net_exit_batch_rtnl+0x83/0x210 [ 164.934632][ T71] cleanup_net+0x4f3/0xb50 [ 164.934898][ T71] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 164.935236][ T71] ? __pfx_cleanup_net+0x10/0x10 [ 164.935516][ T71] ? lock_acquire+0x1c1/0x220 [ 164.935750][ T71] ? process_one_work+0x714/0x1310 [ 164.936027][ T71] process_one_work+0x78c/0x1310 [ 164.936333][ T71] ? hlock_class+0x4e/0x130 [ 164.936673][ T71] ? __pfx_process_one_work+0x10/0x10 [ 164.937087][ T71] ? assign_work+0x16c/0x240 [ 164.937471][ T71] worker_thread+0x73d/0x1010 [ 164.937873][ T71] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370 [ 164.938403][ T71] ? __pfx_worker_thread+0x10/0x10 [ 164.938831][ T71] ? __pfx_worker_thread+0x10/0x10 [ 164.939262][ T71] kthread+0x28f/0x360 [ 164.939595][ T71] ? __pfx_kthread+0x10/0x10 [ 164.939952][ T71] ret_from_fork+0x31/0x70 [ 164.940322][ T71] ? __pfx_kthread+0x10/0x10 [ 164.940708][ T71] ret_from_fork_asm+0x1b/0x30 [ 164.941120][ T71] [ 164.941374][ T71] [ 164.941553][ T71] The buggy address belongs to the physical page: [ 164.942089][ T71] page:ffffea00001c5e00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7178 [ 164.942869][ T71] flags: 0x80000000000000(node=0|zone=1) [ 164.943321][ T71] page_type: 0xffffffff() [ 164.943677][ T71] raw: 0080000000000000 ffffea00001ad808 ffff88802f401c38 0000000000000000 [ 164.944395][ T71] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 164.945065][ T71] page dumped because: kasan: bad access detected [ 164.945615][ T71] [ 164.945795][ T71] Memory state around the buggy address: [ 164.946237][ T71] ffff888007178a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 164.946900][ T71] ffff888007178b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 164.947522][ T71] >ffff888007178b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 164.948121][ T71] ^ [ 164.948685][ T71] ffff888007178c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 164.949241][ T71] ffff888007178c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 164.949821][ T71] ================================================================== [ 164.950243][ T71] Disabling lock debugging due to kernel taint [ 164.954713][ T71] general protection fault, probably for non-canonical address 0xf999959999999999: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 164.955507][ T71] KASAN: maybe wild-memory-access in range [0xccccccccccccccc8-0xcccccccccccccccf] [ 164.956082][ T71] CPU: 2 PID: 71 Comm: kworker/u8:1 Tainted: G B 6.8.0-rc2-virtme #1 [ 164.956716][ T71] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 164.957606][ T71] Workqueue: netns cleanup_net [ 164.957961][ T71] RIP: 0010:vxlan_netdevice_event+0x19e/0x340 [vxlan] [ 164.958457][ T71] Code: 00 00 00 48 b9 00 00 00 00 00 fc ff df 49 89 c0 48 89 44 24 08 49 c1 e8 03 4d 8d 24 08 eb 2c 48 8d 53 30 48 89 d0 48 c1 e8 03 <80> 3c 08 00 0f 85 e0 00 00 00 48 8b 43 30 49 89 dd 48 83 e8 30 49 [ 164.959808][ T71] RSP: 0018:ffffc9000051f980 EFLAGS: 00010a07 [ 164.960249][ T71] RAX: 1999999999999999 RBX: cccccccccccccc9c RCX: dffffc0000000000 [ 164.960789][ T71] RDX: cccccccccccccccc RSI: 0000000000000004 RDI: ffff888007178c44 [ 164.961341][ T71] RBP: 1ffff920000a3f33 R08: 1ffff1100139e21a R09: ffffc9000051f9b8 [ 164.961916][ T71] R10: ffffffff8ed51397 R11: ffff888009cf1000 R12: ffffed100139e21a [ 164.962453][ T71] R13: ffff888007178bc0 R14: ffff888008a91000 R15: ffff888009cf1000 [ 164.963004][ T71] FS: 0000000000000000(0000) GS:ffff88802ee00000(0000) knlGS:0000000000000000 [ 164.963598][ T71] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.964077][ T71] CR2: 00007fa3c37710e0 CR3: 00000000077a8003 CR4: 0000000000770ef0 [ 164.964589][ T71] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 164.965142][ T71] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 164.965673][ T71] PKRU: 55555554 [ 164.965944][ T71] Call Trace: [ 164.966144][ T71] [ 164.966328][ T71] ? die_addr+0x41/0xa0 [ 164.966628][ T71] ? exc_general_protection+0x149/0x220 [ 164.966996][ T71] ? asm_exc_general_protection+0x26/0x30 [ 164.967402][ T71] ? vxlan_netdevice_event+0x19e/0x340 [vxlan] [ 164.967789][ T71] ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan] [ 164.968220][ T71] ? netconsole_netdev_event+0x1b4/0x300 [ 164.968508][ T71] ? addrconf_notify+0xd1/0xd40 [ 164.968756][ T71] notifier_call_chain+0x9a/0x290 [ 164.969030][ T71] unregister_netdevice_many_notify+0x55a/0x1180 [ 164.969350][ T71] ? mutex_is_locked+0x17/0x50 [ 164.969607][ T71] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 164.969944][ T71] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 164.970259][ T71] default_device_exit_batch+0x228/0x2c0 [ 164.970539][ T71] ? __pfx_default_device_exit_batch+0x10/0x10 [ 164.970846][ T71] ? mutex_is_locked+0x17/0x50 [ 164.971086][ T71] ? nexthop_net_exit_batch_rtnl+0x83/0x210 [ 164.971385][ T71] cleanup_net+0x4f3/0xb50 [ 164.971609][ T71] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 164.971892][ T71] ? __pfx_cleanup_net+0x10/0x10 [ 164.972140][ T71] ? lock_acquire+0x1c1/0x220 [ 164.972399][ T71] ? process_one_work+0x714/0x1310 [ 164.972681][ T71] process_one_work+0x78c/0x1310 [ 164.972975][ T71] ? hlock_class+0x4e/0x130 [ 164.973226][ T71] ? __pfx_process_one_work+0x10/0x10 [ 164.973512][ T71] ? assign_work+0x16c/0x240 [ 164.973780][ T71] worker_thread+0x73d/0x1010 [ 164.974016][ T71] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370 [ 164.974347][ T71] ? __pfx_worker_thread+0x10/0x10 [ 164.974604][ T71] ? __pfx_worker_thread+0x10/0x10 [ 164.974881][ T71] kthread+0x28f/0x360 [ 164.975108][ T71] ? __pfx_kthread+0x10/0x10 [ 164.975362][ T71] ret_from_fork+0x31/0x70 [ 164.975595][ T71] ? __pfx_kthread+0x10/0x10 [ 164.975846][ T71] ret_from_fork_asm+0x1b/0x30 [ 164.976161][ T71] [ 164.976337][ T71] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel ip6_gre ip_gre gre [ 164.976810][ T71] ---[ end trace 0000000000000000 ]--- [ 164.977116][ T71] RIP: 0010:vxlan_netdevice_event+0x19e/0x340 [vxlan] [ 164.977475][ T71] Code: 00 00 00 48 b9 00 00 00 00 00 fc ff df 49 89 c0 48 89 44 24 08 49 c1 e8 03 4d 8d 24 08 eb 2c 48 8d 53 30 48 89 d0 48 c1 e8 03 <80> 3c 08 00 0f 85 e0 00 00 00 48 8b 43 30 49 89 dd 48 83 e8 30 49 [ 164.978544][ T71] RSP: 0018:ffffc9000051f980 EFLAGS: 00010a07 [ 164.978874][ T71] RAX: 1999999999999999 RBX: cccccccccccccc9c RCX: dffffc0000000000 [ 164.979333][ T71] RDX: cccccccccccccccc RSI: 0000000000000004 RDI: ffff888007178c44 [ 164.979756][ T71] RBP: 1ffff920000a3f33 R08: 1ffff1100139e21a R09: ffffc9000051f9b8 [ 164.980189][ T71] R10: ffffffff8ed51397 R11: ffff888009cf1000 R12: ffffed100139e21a [ 164.980581][ T71] R13: ffff888007178bc0 R14: ffff888008a91000 R15: ffff888009cf1000 [ 164.980999][ T71] FS: 0000000000000000(0000) GS:ffff88802ee00000(0000) knlGS:0000000000000000 [ 164.981468][ T71] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 164.981825][ T71] CR2: 00007fa3c37710e0 CR3: 00000000077a8003 CR4: 0000000000770ef0 [ 164.982289][ T71] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 164.982697][ T71] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 164.983230][ T71] PKRU: 55555554 [ 164.983482][ T71] Kernel panic - not syncing: Fatal exception [ 164.983949][ T71] Kernel Offset: 0x9400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 164.984615][ T71] ---[ end Kernel panic - not syncing: Fatal exception ]--- WAIT TIMEOUT stdout Ctrl-C stdout Ctrl-C stdout WAIT TIMEOUT stdout