[ 16.605004][ T275] br0: port 1(veth1) entered blocking state [ 16.605549][ T275] br0: port 1(veth1) entered disabled state [ 16.606035][ T275] veth1: entered allmulticast mode [ 16.610796][ T275] veth1: entered promiscuous mode [ 16.612990][ T275] ------------[ cut here ]------------ [ 16.613335][ T275] WARNING: CPU: 3 PID: 275 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0 [ 16.614059][ T275] Modules linked in: bridge stp llc veth [ 16.614458][ T275] CPU: 3 UID: 0 PID: 275 Comm: ip Not tainted 6.16.0-rc4-virtme #1 PREEMPT(full) [ 16.615005][ T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.616451][ T275] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0 [ 16.616777][ T275] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 [ 16.617886][ T275] RSP: 0018:ffffc90000756ef0 EFLAGS: 00010246 [ 16.618286][ T275] RAX: 0000000000000000 RBX: ffff88800dd2a000 RCX: 0000000000000001 [ 16.618747][ T275] RDX: 0000000000000000 RSI: ffffffffb7a9b941 RDI: ffffffffb72555e0 [ 16.619233][ T275] RBP: ffffc90000756fe0 R08: 0000000000000000 R09: 0000000000000000 [ 16.619694][ T275] R10: ffffc90000757010 R11: ffffffffb88a8918 R12: 1ffff920000eade2 [ 16.620170][ T275] R13: 00000000000005dc R14: ffffc90000757010 R15: ffff88800dd2af08 [ 16.620636][ T275] FS: 00007ff0965f8800(0000) GS:ffff888075a37000(0000) knlGS:0000000000000000 [ 16.621181][ T275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.621580][ T275] CR2: 00000000004e5aa8 CR3: 000000000dd07003 CR4: 0000000000772ef0 [ 16.622222][ T275] PKRU: 55555554 [ 16.622456][ T275] Call Trace: [ 16.622688][ T275] [ 16.622848][ T275] ? __pfx_netif_set_mtu_ext+0x10/0x10 [ 16.623171][ T275] ? find_held_lock+0x2b/0x80 [ 16.623490][ T275] ? mark_held_locks+0x49/0x80 [ 16.623801][ T275] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.624191][ T275] ? lockdep_hardirqs_on+0x7c/0x110 [ 16.624498][ T275] netif_set_mtu+0x88/0x100 [ 16.624806][ T275] ? __pfx_netif_set_mtu+0x10/0x10 [ 16.625129][ T275] ? br_get_link_af_size_filtered+0x186/0x9d0 [bridge] [ 16.625556][ T275] dev_set_mtu+0xa0/0x150 [ 16.625786][ T275] br_mtu_auto_adjust+0x189/0x270 [bridge] [ 16.626212][ T275] br_add_if+0xda3/0x1330 [bridge] [ 16.626571][ T275] do_set_master+0x32f/0x500 [ 16.626880][ T275] do_setlink.constprop.0+0x9f4/0x2480 [ 16.627204][ T275] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 16.627590][ T275] ? rcu_read_lock_any_held+0x43/0xb0 [ 16.627893][ T275] ? validate_chain+0x166/0x4d0 [ 16.628202][ T275] ? __kernel_text_address+0x12/0x40 [ 16.628513][ T275] ? __lock_acquire+0x44d/0x7e0 [ 16.628823][ T275] ? __mutex_trylock_common+0xf9/0x260 [ 16.629148][ T275] ? __pfx___mutex_trylock_common+0x10/0x10 [ 16.629526][ T275] ? rcu_is_watching+0x12/0xc0 [ 16.629835][ T275] ? rcu_is_watching+0x12/0xc0 [ 16.630146][ T275] ? trace_contention_end+0xdc/0x140 [ 16.630455][ T275] ? __mutex_lock+0x19c/0xcd0 [ 16.630755][ T275] ? find_held_lock+0x2b/0x80 [ 16.631060][ T275] ? rtnl_newlink+0x651/0xa60 [ 16.631375][ T275] ? __create_object+0x5e/0xb0 [ 16.631685][ T275] ? __pfx___mutex_lock+0x10/0x10 [ 16.631989][ T275] ? trace_cap_capable+0x10f/0x190 [ 16.632319][ T275] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 16.632699][ T275] ? __rtnl_newlink+0x40e/0xa40 [ 16.633011][ T275] rtnl_newlink+0x69a/0xa60 [ 16.633332][ T275] ? __pfx_rtnl_newlink+0x10/0x10 [ 16.633638][ T275] ? __lock_acquire+0x44d/0x7e0 [ 16.633956][ T275] ? find_held_lock+0x2b/0x80 [ 16.634272][ T275] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 16.634576][ T275] ? __lock_release+0x5d/0x170 [ 16.634884][ T275] ? __pfx_rtnl_newlink+0x10/0x10 [ 16.635197][ T275] rtnetlink_rcv_msg+0x710/0xc00 [ 16.635502][ T275] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 16.635811][ T275] ? __lock_acquire+0x44d/0x7e0 [ 16.636129][ T275] netlink_rcv_skb+0x121/0x350 [ 16.636438][ T275] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 16.636746][ T275] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 16.637097][ T275] ? netlink_deliver_tap+0x13e/0x340 [ 16.637406][ T275] ? netlink_deliver_tap+0xc3/0x340 [ 16.637711][ T275] netlink_unicast+0x49e/0x780 [ 16.638019][ T275] ? __pfx_netlink_unicast+0x10/0x10 [ 16.638333][ T275] ? __lock_acquire+0x44d/0x7e0 [ 16.638646][ T275] netlink_sendmsg+0x721/0xbe0 [ 16.638965][ T275] ? __pfx_netlink_sendmsg+0x10/0x10 [ 16.639280][ T275] ? __import_iovec+0x238/0x3c0 [ 16.639592][ T275] ____sys_sendmsg+0x7ad/0xa10 [ 16.639900][ T275] ? __pfx_____sys_sendmsg+0x10/0x10 [ 16.640216][ T275] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 16.640604][ T275] ___sys_sendmsg+0xed/0x170 [ 16.640909][ T275] ? kasan_record_aux_stack+0x8c/0xa0 [ 16.641222][ T275] ? __call_rcu_common.constprop.0+0xa8/0x640 [ 16.641605][ T275] ? __pfx____sys_sendmsg+0x10/0x10 [ 16.641913][ T275] ? find_held_lock+0x2b/0x80 [ 16.642229][ T275] ? __lock_acquire+0x44d/0x7e0 [ 16.642540][ T275] ? find_held_lock+0x2b/0x80 [ 16.642847][ T275] ? __virt_addr_valid+0x22e/0x450 [ 16.643163][ T275] ? __lock_release+0x5d/0x170 [ 16.643480][ T275] __sys_sendmsg+0x10b/0x1a0 [ 16.643784][ T275] ? __call_rcu_common.constprop.0+0x320/0x640 [ 16.644170][ T275] ? __pfx___sys_sendmsg+0x10/0x10 [ 16.644488][ T275] ? rcu_is_watching+0x12/0xc0 [ 16.644797][ T275] do_syscall_64+0xc1/0x380 [ 16.645105][ T275] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 16.645498][ T275] RIP: 0033:0x7ff0967c51e7 [ 16.645815][ T275] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 16.646919][ T275] RSP: 002b:00007ffd643e7258 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 16.647396][ T275] RAX: ffffffffffffffda RBX: 00007ffd643e7980 RCX: 00007ff0967c51e7 [ 16.647858][ T275] RDX: 0000000000000000 RSI: 00007ffd643e72c0 RDI: 0000000000000005 [ 16.648325][ T275] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 16.648792][ T275] R10: 000000002c2ea910 R11: 0000000000000246 R12: 0000000000000004 [ 16.649282][ T275] R13: 00000000686e17c7 R14: 0000000000499600 R15: 0000000000000000 [ 16.649762][ T275] [ 16.649994][ T275] irq event stamp: 38139 [ 16.650237][ T275] hardirqs last enabled at (38149): [] __up_console_sem+0x6b/0x80 [ 16.650769][ T275] hardirqs last disabled at (38156): [] __up_console_sem+0x50/0x80 [ 16.651306][ T275] softirqs last enabled at (37308): [] handle_softirqs+0x358/0x620 [ 16.651836][ T275] softirqs last disabled at (36623): [] __irq_exit_rcu+0xfa/0x160 [ 16.652372][ T275] ---[ end trace 0000000000000000 ]--- [ 16.771402][ T277] br0: port 2(veth3) entered blocking state [ 16.771812][ T277] br0: port 2(veth3) entered disabled state [ 16.772625][ T277] veth3: entered allmulticast mode [ 16.776081][ T277] veth3: entered promiscuous mode [ 16.777434][ T277] ------------[ cut here ]------------ [ 16.777742][ T277] WARNING: CPU: 3 PID: 277 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext+0x27f/0x5c0 [ 16.778362][ T277] Modules linked in: bridge stp llc veth [ 16.778685][ T277] CPU: 3 UID: 0 PID: 277 Comm: ip Tainted: G W 6.16.0-rc4-virtme #1 PREEMPT(full) [ 16.779324][ T277] Tainted: [W]=WARN [ 16.779568][ T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.779953][ T277] RIP: 0010:netif_set_mtu_ext+0x27f/0x5c0 [ 16.780286][ T277] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48 [ 16.781378][ T277] RSP: 0018:ffffc90000756ef0 EFLAGS: 00010246 [ 16.781765][ T277] RAX: 0000000000000000 RBX: ffff88800dd2a000 RCX: 0000000000000001 [ 16.782242][ T277] RDX: 0000000000000000 RSI: ffffffffb7a9b941 RDI: ffffffffb72555e0 [ 16.782700][ T277] RBP: ffffc90000756fe0 R08: 0000000000000000 R09: 0000000000000000 [ 16.783168][ T277] R10: ffffc90000757010 R11: ffffffffb88a8918 R12: 1ffff920000eade2 [ 16.783622][ T277] R13: 00000000000005dc R14: ffffc90000757010 R15: ffff88800dd2af08 [ 16.784081][ T277] FS: 00007f849ebf5800(0000) GS:ffff888075a37000(0000) knlGS:0000000000000000 [ 16.784618][ T277] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.785001][ T277] CR2: 00000000004e5ab8 CR3: 000000000e810005 CR4: 0000000000772ef0 [ 16.785463][ T277] PKRU: 55555554 [ 16.785694][ T277] Call Trace: [ 16.785920][ T277] [ 16.786078][ T277] ? __pfx_netif_set_mtu_ext+0x10/0x10 [ 16.786397][ T277] ? find_held_lock+0x2b/0x80 [ 16.786711][ T277] ? mark_held_locks+0x49/0x80 [ 16.787015][ T277] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.787403][ T277] ? lockdep_hardirqs_on+0x7c/0x110 [ 16.787713][ T277] netif_set_mtu+0x88/0x100 [ 16.788019][ T277] ? __pfx_netif_set_mtu+0x10/0x10 [ 16.788345][ T277] ? br_get_link_af_size_filtered+0x186/0x9d0 [bridge] [ 16.788778][ T277] dev_set_mtu+0xa0/0x150 [ 16.789026][ T277] br_mtu_auto_adjust+0x189/0x270 [bridge] [ 16.789452][ T277] br_add_if+0xda3/0x1330 [bridge] [ 16.789804][ T277] do_set_master+0x32f/0x500 [ 16.790116][ T277] do_setlink.constprop.0+0x9f4/0x2480 [ 16.790451][ T277] ? __pfx_do_setlink.constprop.0+0x10/0x10 [ 16.790838][ T277] ? rcu_read_lock_any_held+0x43/0xb0 [ 16.791153][ T277] ? validate_chain+0x166/0x4d0 [ 16.791456][ T277] ? __kernel_text_address+0x12/0x40 [ 16.791767][ T277] ? __lock_acquire+0x44d/0x7e0 [ 16.792077][ T277] ? __mutex_trylock_common+0xf9/0x260 [ 16.792396][ T277] ? __pfx___mutex_trylock_common+0x10/0x10 [ 16.792777][ T277] ? rcu_is_watching+0x12/0xc0 [ 16.793090][ T277] ? rcu_is_watching+0x12/0xc0 [ 16.793403][ T277] ? trace_contention_end+0xdc/0x140 [ 16.793708][ T277] ? __mutex_lock+0x19c/0xcd0 [ 16.794015][ T277] ? find_held_lock+0x2b/0x80 [ 16.794333][ T277] ? rtnl_newlink+0x651/0xa60 [ 16.794640][ T277] ? __create_object+0x5e/0xb0 [ 16.794949][ T277] ? __pfx___mutex_lock+0x10/0x10 [ 16.795273][ T277] ? trace_cap_capable+0x10f/0x190 [ 16.795594][ T277] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 16.795971][ T277] ? __rtnl_newlink+0x40e/0xa40 [ 16.796291][ T277] rtnl_newlink+0x69a/0xa60 [ 16.796607][ T277] ? __pfx_rtnl_newlink+0x10/0x10 [ 16.796908][ T277] ? __lock_acquire+0x44d/0x7e0 [ 16.797226][ T277] ? find_held_lock+0x2b/0x80 [ 16.798244][ T277] ? rtnetlink_rcv_msg+0x6ed/0xc00 [ 16.798549][ T277] ? __lock_release+0x5d/0x170 [ 16.799092][ T277] ? __pfx_rtnl_newlink+0x10/0x10 [ 16.799404][ T277] rtnetlink_rcv_msg+0x710/0xc00 [ 16.799707][ T277] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 16.800243][ T277] ? __lock_acquire+0x44d/0x7e0 [ 16.800552][ T277] netlink_rcv_skb+0x121/0x350 [ 16.801307][ T277] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 16.801611][ T277] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 16.801934][ T277] ? netlink_deliver_tap+0x13e/0x340 [ 16.802242][ T277] ? netlink_deliver_tap+0xc3/0x340 [ 16.802545][ T277] netlink_unicast+0x49e/0x780 [ 16.802852][ T277] ? __pfx_netlink_unicast+0x10/0x10 [ 16.803162][ T277] ? __lock_acquire+0x44d/0x7e0 [ 16.803469][ T277] netlink_sendmsg+0x721/0xbe0 [ 16.803996][ T277] ? __pfx_netlink_sendmsg+0x10/0x10 [ 16.804310][ T277] ? __import_iovec+0x238/0x3c0 [ 16.804841][ T277] ____sys_sendmsg+0x7ad/0xa10 [ 16.805153][ T277] ? __pfx_____sys_sendmsg+0x10/0x10 [ 16.805457][ T277] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 16.806065][ T277] ___sys_sendmsg+0xed/0x170 [ 16.806373][ T277] ? kasan_record_aux_stack+0x8c/0xa0 [ 16.806676][ T277] ? __call_rcu_common.constprop.0+0xa8/0x640 [ 16.807057][ T277] ? __pfx____sys_sendmsg+0x10/0x10 [ 16.807370][ T277] ? find_held_lock+0x2b/0x80 [ 16.807675][ T277] ? __lock_acquire+0x44d/0x7e0 [ 16.807983][ T277] ? find_held_lock+0x2b/0x80 [ 16.808293][ T277] ? __virt_addr_valid+0x22e/0x450 [ 16.808594][ T277] ? __lock_release+0x5d/0x170 [ 16.809365][ T277] __sys_sendmsg+0x10b/0x1a0 [ 16.809668][ T277] ? __call_rcu_common.constprop.0+0x320/0x640 [ 16.810278][ T277] ? __pfx___sys_sendmsg+0x10/0x10 [ 16.810594][ T277] ? rcu_is_watching+0x12/0xc0 [ 16.810900][ T277] do_syscall_64+0xc1/0x380 [ 16.811211][ T277] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 16.811587][ T277] RIP: 0033:0x7f849edc21e7 [ 16.812362][ T277] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 16.813460][ T277] RSP: 002b:00007ffed596b728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 16.813921][ T277] RAX: ffffffffffffffda RBX: 00007ffed596be50 RCX: 00007f849edc21e7 [ 16.814392][ T277] RDX: 0000000000000000 RSI: 00007ffed596b790 RDI: 0000000000000005 [ 16.814849][ T277] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 16.815311][ T277] R10: 000000000613a910 R11: 0000000000000246 R12: 0000000000000004 [ 16.815767][ T277] R13: 00000000686e17c7 R14: 0000000000499600 R15: 0000000000000000 [ 16.816474][ T277] [ 16.816702][ T277] irq event stamp: 39953 [ 16.816933][ T277] hardirqs last enabled at (39961): [] __up_console_sem+0x6b/0x80 [ 16.817689][ T277] hardirqs last disabled at (39970): [] __up_console_sem+0x50/0x80 [ 16.818218][ T277] softirqs last enabled at (38994): [] br_add_if+0xd82/0x1330 [bridge] [ 16.818786][ T277] softirqs last disabled at (38992): [] br_add_if+0xcf3/0x1330 [bridge] [ 16.819588][ T277] ---[ end trace 0000000000000000 ]--- [ 17.166723][ T37] br0: port 1(veth1) entered blocking state [ 17.167242][ T37] br0: port 1(veth1) entered forwarding state [ 17.388757][ T37] br0: port 2(veth3) entered blocking state [ 17.389300][ T37] br0: port 2(veth3) entered forwarding state [ 24.009010][ T310] br0: port 2(veth3) entered disabled state [ 24.220053][ T312] br0: port 1(veth1) entered disabled state [ 24.446556][ T314] veth3: left allmulticast mode [ 24.446924][ T314] veth3: left promiscuous mode [ 24.447438][ T314] br0: port 2(veth3) entered disabled state [ 24.464214][ T314] veth1: left allmulticast mode [ 24.464583][ T314] veth1: left promiscuous mode [ 24.465062][ T314] br0: port 1(veth1) entered disabled state