Warning: Permanently added '10.128.10.16' (ED25519) to the list of known hosts. [ 388.154906][T20054] protocol 894f is buggy, dev ip6gretap0 [ 388.160607][T20054] ------------[ cut here ]------------ [ 388.166124][T20054] WARNING: CPU: 0 PID: 20054 at include/linux/skbuff.h:2723 ip6gre_tunnel_xmit+0x49d/0x680 [ 388.176256][T20054] Modules linked in: [ 388.180127][T20054] CPU: 0 PID: 20054 Comm: syz-executor202 Not tainted 6.8.0-rc4-syzkaller #0 [ 388.188972][T20054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 388.199542][T20054] RIP: 0010:ip6gre_tunnel_xmit+0x49d/0x680 [ 388.205410][T20054] Code: 00 00 00 ba 04 00 00 00 e8 c0 68 ee ff 85 ed 0f 89 92 01 00 00 e9 56 01 00 00 31 ed 85 ed 0f 89 83 01 00 00 e9 47 01 00 00 90 <0f> 0b 90 e9 be fb ff ff 39 c1 0f 82 36 01 00 00 4c 89 e7 e8 eb c0 [ 388.225009][T20054] RSP: 0018:ffffc900031cbac0 EFLAGS: 00010286 [ 388.231063][T20054] RAX: 00000000ffffff5a RBX: ffff8881053e2601 RCX: 0000000000000000 [ 388.239037][T20054] RDX: 0000000000000000 RSI: ffff88810dfb3000 RDI: ffff8881053e2600 [ 388.247005][T20054] RBP: ffffffff832f25d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.255150][T20054] R10: 0000000000000000 R11: ffffffff82ac6670 R12: ffff8881053e2600 [ 388.263112][T20054] R13: ffff8881053e2600 R14: ffff88810dfb3000 R15: ffff8881053e2000 [ 388.271711][T20054] FS: 000055555661f380(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 [ 388.280639][T20054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 388.287301][T20054] CR2: 0000000020003000 CR3: 000000010733e000 CR4: 00000000003506f0 [ 388.295267][T20054] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 388.303370][T20054] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 388.311332][T20054] Call Trace: [ 388.314590][T20054] [ 388.317507][T20054] ? __warn+0xc4/0x200 [ 388.321783][T20054] ? ip6gre_tunnel_xmit+0x49d/0x680 [ 388.326948][T20054] ? report_bug+0xce/0x160 [ 388.331422][T20054] ? handle_bug+0x3e/0x70 [ 388.335785][T20054] ? exc_invalid_op+0x1a/0x50 [ 388.341226][T20054] ? asm_exc_invalid_op+0x1a/0x20 [ 388.346291][T20054] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ 388.351903][T20054] ? ip6gre_tunnel_xmit+0x49d/0x680 [ 388.357075][T20054] ? packet_rcv+0x360/0x3a0 [ 388.362570][T20054] ? dev_queue_xmit_nit+0x24/0x2e0 [ 388.367729][T20054] dev_hard_start_xmit+0xdb/0x280 [ 388.372723][T20054] sch_direct_xmit+0xe5/0x290 [ 388.377481][T20054] __dev_queue_xmit+0x753/0xdc0 [ 388.382301][T20054] ? __dev_queue_xmit+0x93/0xdc0 [ 388.387232][T20054] ? virtio_net_hdr_to_skb+0x195/0x490 [ 388.392686][T20054] packet_sendmsg+0x12a2/0x16f0 [ 388.397698][T20054] ? aa_sk_perm+0x186/0x350 [ 388.402215][T20054] __sock_sendmsg+0x8e/0xb0 [ 388.406731][T20054] __sys_sendto+0x23c/0x290 [ 388.411223][T20054] __x64_sys_sendto+0x21/0x30 [ 388.415870][T20054] do_syscall_64+0xe6/0x200 [ 388.420369][T20054] ? fpregs_assert_state_consistent+0x22/0x40 [ 388.426444][T20054] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 388.432324][T20054] RIP: 0033:0x7f576f195b69 [ 388.436718][T20054] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 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 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 388.456311][T20054] RSP: 002b:00007fff96eda5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 388.464712][T20054] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f576f195b69 [ 388.472673][T20054] RDX: 0000000000003287 RSI: 0000000020000080 RDI: 0000000000000003 [ 388.480639][T20054] RBP: 00000000000f4240 R08: 0000000000000000 R09: 00000000000002ff [ 388.488689][T20054] R10: 0000000004000002 R11: 0000000000000246 R12: 00007fff96eda640 [ 388.496682][T20054] R13: 000000000005ec1e R14: 00007fff96eda60c R15: 0000000000000003 [ 388.504647][T20054] [ 388.507668][T20054] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 388.515006][T20054] CPU: 0 PID: 20054 Comm: syz-executor202 Not tainted 6.8.0-rc4-syzkaller #0 [ 388.523725][T20054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 388.533845][T20054] Call Trace: [ 388.537096][T20054] [ 388.539998][T20054] dump_stack_lvl+0x83/0xd0 [ 388.544473][T20054] panic+0x110/0x2d0 [ 388.548331][T20054] ? ip6gre_tunnel_xmit+0x49d/0x680 [ 388.553492][T20054] __warn+0x16b/0x200 [ 388.557440][T20054] ? ip6gre_tunnel_xmit+0x49d/0x680 [ 388.562602][T20054] report_bug+0xce/0x160 [ 388.566809][T20054] handle_bug+0x3e/0x70 [ 388.570931][T20054] exc_invalid_op+0x1a/0x50 [ 388.575397][T20054] asm_exc_invalid_op+0x1a/0x20 [ 388.580213][T20054] RIP: 0010:ip6gre_tunnel_xmit+0x49d/0x680 [ 388.585980][T20054] Code: 00 00 00 ba 04 00 00 00 e8 c0 68 ee ff 85 ed 0f 89 92 01 00 00 e9 56 01 00 00 31 ed 85 ed 0f 89 83 01 00 00 e9 47 01 00 00 90 <0f> 0b 90 e9 be fb ff ff 39 c1 0f 82 36 01 00 00 4c 89 e7 e8 eb c0 [ 388.605637][T20054] RSP: 0018:ffffc900031cbac0 EFLAGS: 00010286 [ 388.611666][T20054] RAX: 00000000ffffff5a RBX: ffff8881053e2601 RCX: 0000000000000000 [ 388.619701][T20054] RDX: 0000000000000000 RSI: ffff88810dfb3000 RDI: ffff8881053e2600 [ 388.627820][T20054] RBP: ffffffff832f25d0 R08: 0000000000000000 R09: 0000000000000000 [ 388.635753][T20054] R10: 0000000000000000 R11: ffffffff82ac6670 R12: ffff8881053e2600 [ 388.643690][T20054] R13: ffff8881053e2600 R14: ffff88810dfb3000 R15: ffff8881053e2000 [ 388.651654][T20054] ? __pfx_ip6gre_tunnel_xmit+0x10/0x10 [ 388.657259][T20054] ? packet_rcv+0x360/0x3a0 [ 388.661735][T20054] ? dev_queue_xmit_nit+0x24/0x2e0 [ 388.666809][T20054] dev_hard_start_xmit+0xdb/0x280 [ 388.671798][T20054] sch_direct_xmit+0xe5/0x290 [ 388.676446][T20054] __dev_queue_xmit+0x753/0xdc0 [ 388.681260][T20054] ? __dev_queue_xmit+0x93/0xdc0 [ 388.686166][T20054] ? virtio_net_hdr_to_skb+0x195/0x490 [ 388.691586][T20054] packet_sendmsg+0x12a2/0x16f0 [ 388.696399][T20054] ? aa_sk_perm+0x186/0x350 [ 388.700868][T20054] __sock_sendmsg+0x8e/0xb0 [ 388.705343][T20054] __sys_sendto+0x23c/0x290 [ 388.709817][T20054] __x64_sys_sendto+0x21/0x30 [ 388.714456][T20054] do_syscall_64+0xe6/0x200 [ 388.718972][T20054] ? fpregs_assert_state_consistent+0x22/0x40 [ 388.725000][T20054] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 388.730863][T20054] RIP: 0033:0x7f576f195b69 [ 388.735248][T20054] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 19 00 00 90 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 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 388.754914][T20054] RSP: 002b:00007fff96eda5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 388.763291][T20054] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f576f195b69 [ 388.771231][T20054] RDX: 0000000000003287 RSI: 0000000020000080 RDI: 0000000000000003 [ 388.779206][T20054] RBP: 00000000000f4240 R08: 0000000000000000 R09: 00000000000002ff [ 388.787186][T20054] R10: 0000000004000002 R11: 0000000000000246 R12: 00007fff96eda640 [ 388.795126][T20054] R13: 000000000005ec1e R14: 00007fff96eda60c R15: 0000000000000003 [ 388.803064][T20054] [ 388.806301][T20054] Kernel Offset: disabled [ 388.810599][T20054] Rebooting in 86400 seconds..