Warning: Permanently added '10.128.1.64' (ED25519) to the list of known hosts. executing program syzkaller login: [ 33.140365][ T4221] netlink: 'syz-executor162': attribute type 1 has an invalid length. [ 33.155188][ T4221] device bond1 entered promiscuous mode [ 33.169771][ T4221] 8021q: adding VLAN 0 to HW filter on device bond1 [ 33.203873][ T4221] 8021q: adding VLAN 0 to HW filter on device bond1 [ 33.205642][ T4221] bond1: (slave gre1): The slave device specified does not support setting the MAC address [ 33.226664][ T4221] bond1: (slave gre1): Setting fail_over_mac to active for active-backup mode [ 33.238890][ T4221] bond1: (slave gre1): making interface the new active one [ 33.240480][ T4221] device gre1 entered promiscuous mode [ 33.245244][ T4221] bond1: (slave gre1): Enslaving as an active interface with an up link [ 33.248443][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond1: link becomes ready [ 33.250297][ T4221] skbuff: skb_under_panic: text:ffff800010d8aaac len:-32748 put:-32748 head:ffff0000c32c3400 data:fffeffffc32cb4ac tail:0xc0 end:0xc0 dev: [ 33.254117][ T4221] ------------[ cut here ]------------ [ 33.255351][ T4221] kernel BUG at net/core/skbuff.c:120! [ 33.256620][ T4221] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP [ 33.258504][ T4221] Modules linked in: [ 33.259300][ T4221] CPU: 1 PID: 4221 Comm: syz-executor162 Not tainted 6.1.82-syzkaller #0 [ 33.261164][ T4221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 33.263547][ T4221] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 33.265174][ T4221] pc : skb_under_panic+0x13c/0x140 [ 33.266283][ T4221] lr : skb_under_panic+0x13c/0x140 [ 33.267404][ T4221] sp : ffff80001e0874b0 [ 33.268287][ T4221] x29: ffff80001e0874c0 x28: 1ffff00003c10f08 x27: dfff800000000000 [ 33.269881][ T4221] x26: ffff0000d3faa8d0 x25: 00000000000000c0 x24: fffeffffc32cb4ac [ 33.271610][ T4221] x23: ffff0000c32c3400 x22: 00000000ffff8014 x21: 00000000000000c0 [ 33.273456][ T4221] x20: 00000000ffff8014 x19: ffff800010d8aaac x18: ffff80001e087520 [ 33.275302][ T4221] x17: 0000000000000000 x16: ffff80001214de8c x15: 0000000000000000 [ 33.277043][ T4221] x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001 [ 33.278836][ T4221] x11: 0000000000ff0100 x10: 0000000000000000 x9 : 9bb1ec45a7a0b400 [ 33.280647][ T4221] x8 : 9bb1ec45a7a0b400 x7 : 0000000000000001 x6 : 0000000000000001 [ 33.282394][ T4221] x5 : ffff80001e086db8 x4 : ffff800015922ae0 x3 : ffff8000085886bc [ 33.284136][ T4221] x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000008e [ 33.285907][ T4221] Call trace: [ 33.286729][ T4221] skb_under_panic+0x13c/0x140 [ 33.287784][ T4221] skb_push+0x104/0x11c [ 33.288763][ T4221] ipgre_header+0x78/0x3c4 [ 33.289721][ T4221] packet_sendmsg+0x3068/0x4cd8 [ 33.290784][ T4221] ____sys_sendmsg+0x55c/0x848 [ 33.291812][ T4221] __sys_sendmsg+0x26c/0x33c [ 33.292840][ T4221] __arm64_sys_sendmsg+0x80/0x94 [ 33.293925][ T4221] invoke_syscall+0x98/0x2c0 [ 33.294954][ T4221] el0_svc_common+0x138/0x258 [ 33.295971][ T4221] do_el0_svc+0x64/0x218 [ 33.296981][ T4221] el0_svc+0x58/0x168 [ 33.297904][ T4221] el0t_64_sync_handler+0x84/0xf0 [ 33.298971][ T4221] el0t_64_sync+0x18c/0x190 [ 33.299985][ T4221] Code: aa1803e6 aa1903e7 a90023f5 94751eca (d4210000) [ 33.301533][ T4221] ---[ end trace 0000000000000000 ]--- [ 33.437343][ T3805] skbuff: skb_under_panic: text:ffff800010d8aaac len:-32672 put:-32748 head:ffff0000c4356000 data:fffeffffc435e0ac tail:0x10c end:0x6c0 dev:bond1 [ 33.441349][ T3805] ------------[ cut here ]------------ [ 33.442487][ T3805] kernel BUG at net/core/skbuff.c:120! [ 33.627760][ T4221] Kernel panic - not syncing: Oops - BUG: Fatal exception [ 33.629304][ T4221] SMP: stopping secondary CPUs [ 34.716792][ T4221] SMP: failed to stop secondary CPUs 0-1 [ 34.718176][ T4221] Kernel Offset: disabled [ 34.719109][ T4221] CPU features: 0x00000,02070084,26017203 [ 34.720330][ T4221] Memory Limit: none [ 35.055843][ T4221] Rebooting in 86400 seconds..