program: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000380)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="40000000100037d0d8decb28eaff040000000000", @ANYRES32=0x0, @ANYBLOB="8b0404000000000020001280080001007369740014000280060008003f000000080002007f000001"], 0x40}}, 0x4048084) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r2, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$nl_route(r1, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000004c0)=@newlink={0x3c, 0x10, 0x403, 0x10, 0x0, {0x0, 0x0, 0x0, 0x0, 0x300}, [@IFLA_LINKINFO={0x14, 0x12, 0x0, 0x1, @vlan={{0x9}, {0x4}}}, @IFLA_LINK={0x8, 0x5, r3}]}, 0x3c}}, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000200)=ANY=[@ANYBLOB="3000000010000100"/20, @ANYRES32=0x0, @ANYBLOB='\x00\x00\x00\x00\x00\x00\x00\x00\b\x00\n\x00', @ANYRES32=0x0, @ANYBLOB="08001b"], 0x30}}, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r5, 0x8933, &(0x7f0000000000)={'team0\x00', 0x0}) sendmsg$nl_route(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newlink={0x3c, 0x10, 0x1, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x10104}, [@IFLA_IFNAME={0x14, 0x3, 'ip6gre0\x00'}, @IFLA_MASTER={0x8, 0xa, r6}]}, 0x3c}}, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000080), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r7, 0x8933, &(0x7f0000000000)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r7, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x24, r8, 0x5, 0x0, 0x0, {{}, {@val={0x8, 0x3, r9}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x9}]}, 0x24}}, 0x0) r10 = socket$netlink(0x10, 0x3, 0x0) ioctl$sock_SIOCBRDELBR(r10, 0x89a2, &(0x7f0000000000)='bridge0\x00') r11 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r11, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MASTER={0x8}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0) [ 76.503441][ T5318] Bluetooth: hci0: command tx timeout [ 76.541988][ T5338] bridge_slave_0: left allmulticast mode [ 76.556943][ T5338] bridge_slave_0: left promiscuous mode [ 76.560271][ T5338] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.570982][ T5338] bridge_slave_1: left allmulticast mode [ 76.574412][ T5338] bridge_slave_1: left promiscuous mode [ 76.578090][ T5338] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.589205][ T5338] bond0: (slave bond_slave_0): Releasing backup interface [ 76.597750][ T5338] bond0: (slave bond_slave_1): Releasing backup interface [ 76.610536][ T5338] team0: Port device team_slave_0 removed [ 76.617102][ T5338] team0: Port device team_slave_1 removed [ 76.620147][ T5338] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 76.624667][ T5338] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 76.629224][ T5338] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 76.633899][ T5338] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 76.639753][ T5338] A link change request failed with some changes committed already. Interface hsr_slave_0 may have been left with an inconsistent configuration, please check. [ 76.655549][ T5339] ip6gre0: entered promiscuous mode [ 76.665263][ T5339] team0: Port device ip6gre0 added [ 76.702568][ T5338] bridge0: port 1(wlan1) entered blocking state [ 76.706567][ T5338] bridge0: port 1(wlan1) entered disabled state [ 76.709512][ T5338] mac80211_hwsim hwsim3 wlan1: entered allmulticast mode [ 76.716912][ T5338] mac80211_hwsim hwsim3 wlan1: entered promiscuous mode [ 76.721019][ T5338] bridge0: port 1(wlan1) entered blocking state [ 76.724183][ T5338] bridge0: port 1(wlan1) entered forwarding state [ 76.738007][ T5338] team0: Port device ip6gre0 removed [ 76.748275][ T5338] A link change request failed with some changes committed already. Interface hsr_slave_0 may have been left with an inconsistent configuration, please check. [ 76.763782][ T5336] skbuff: skb_under_panic: text:ffffffff8a27e9f8 len:136 put:40 head:ffff8880442c5000 data:ffff8880442c4fe8 tail:0x70 end:0x6c0 dev:team0 [ 76.773646][ T5336] ------------[ cut here ]------------ [ 76.776160][ T5336] kernel BUG at net/core/skbuff.c:213! [ 76.778718][ T5336] Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI [ 76.781667][ T5336] CPU: 0 UID: 0 PID: 5336 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT(full) [ 76.785613][ T5336] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.790291][ T5336] Workqueue: mld mld_ifc_work [ 76.792317][ T5336] RIP: 0010:skb_panic+0x157/0x160 [ 76.794381][ T5336] Code: c7 60 ac 6f 8c 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 55 41 57 41 56 e8 ce 6a f5 ff 48 83 c4 20 90 <0f> 0b cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 76.802716][ T5336] RSP: 0018:ffffc9000d18f400 EFLAGS: 00010286 [ 76.806380][ T5336] RAX: 0000000000000087 RBX: dffffc0000000000 RCX: 0ba551d334518700 [ 76.810728][ T5336] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 76.814159][ T5336] RBP: 00000000000006c0 R08: ffffc9000d18f167 R09: 1ffff92001a31e2c [ 76.817617][ T5336] R10: dffffc0000000000 R11: fffff52001a31e2d R12: ffff888011154010 [ 76.821119][ T5336] R13: ffff8880442c5000 R14: ffff8880442c4fe8 R15: 0000000000000070 [ 76.824462][ T5336] FS: 0000000000000000(0000) GS:ffff88808d416000(0000) knlGS:0000000000000000 [ 76.828362][ T5336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.831323][ T5336] CR2: 00007f409a975440 CR3: 0000000041b0b000 CR4: 0000000000352ef0 [ 76.834870][ T5336] Call Trace: [ 76.836492][ T5336] [ 76.837889][ T5336] ? ip6gre_header+0xc8/0x790 [ 76.840059][ T5336] ? ip6gre_header+0xc8/0x790 [ 76.842146][ T5336] skb_push+0xc3/0xe0 [ 76.844014][ T5336] ip6gre_header+0xc8/0x790 [ 76.846184][ T5336] ? neigh_connected_output+0x1ea/0x460 [ 76.848774][ T5336] ? __pfx_ip6gre_header+0x10/0x10 [ 76.851294][ T5336] ? neigh_connected_output+0x1ea/0x460 [ 76.853980][ T5336] ? read_seqbegin+0xac/0x180 [ 76.856094][ T5336] ? neigh_connected_output+0x1ea/0x460 [ 76.858670][ T5336] ? lockdep_hardirqs_on+0x7b/0x110 [ 76.861112][ T5336] ? __pfx_ip6gre_header+0x10/0x10 [ 76.863368][ T5336] neigh_connected_output+0x286/0x460 [ 76.865839][ T5336] ip6_finish_output+0x234/0x7d0 [ 76.868080][ T5336] ? ip6_output+0x126/0x550 [ 76.870071][ T5336] ip6_output+0x340/0x550 [ 76.872003][ T5336] NF_HOOK+0x9e/0x380 [ 76.873828][ T5336] ? NF_HOOK+0x101/0x380 [ 76.875817][ T5336] ? __pfx_NF_HOOK+0x10/0x10 [ 76.877902][ T5336] ? __pfx_dst_output+0x10/0x10 [ 76.880180][ T5336] ? lockdep_hardirqs_on+0x7b/0x110 [ 76.882540][ T5336] ? __local_bh_enable_ip+0xd0/0x130 [ 76.885387][ T5336] ? icmp6_dst_alloc+0x3a5/0x420 [ 76.888108][ T5336] mld_sendpack+0x8d4/0xe60 [ 76.890429][ T5336] ? mld_sendpack+0x1e7/0xe60 [ 76.892589][ T5336] ? __pfx_mld_sendpack+0x10/0x10 [ 76.894946][ T5336] mld_ifc_work+0x83e/0xd60 [ 76.897067][ T5336] ? process_scheduled_works+0x9ef/0x1770 [ 76.899704][ T5336] process_scheduled_works+0xad1/0x1770 [ 76.902453][ T5336] ? __pfx_process_scheduled_works+0x10/0x10 [ 76.905424][ T5336] ? do_raw_spin_lock+0x121/0x290 [ 76.907760][ T5336] worker_thread+0x8a0/0xda0 [ 76.909918][ T5336] ? __kthread_parkme+0x7b/0x200 [ 76.912245][ T5336] kthread+0x711/0x8a0 [ 76.914146][ T5336] ? __pfx_worker_thread+0x10/0x10 [ 76.916539][ T5336] ? __pfx_kthread+0x10/0x10 [ 76.918870][ T5336] ? _raw_spin_unlock_irq+0x23/0x50 [ 76.921369][ T5336] ? __pfx_kthread+0x10/0x10 [ 76.923602][ T5336] ret_from_fork+0x510/0xa50 [ 76.925788][ T5336] ? __pfx_ret_from_fork+0x10/0x10 [ 76.928127][ T5336] ? __switch_to+0xc9e/0x1480 [ 76.930287][ T5336] ? __pfx_kthread+0x10/0x10 [ 76.932354][ T5336] ret_from_fork_asm+0x1a/0x30 [ 76.934502][ T5336] [ 76.935940][ T5336] Modules linked in: [ 76.938413][ T5336] ---[ end trace 0000000000000000 ]---