Warning: Permanently added '10.128.1.138' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.008353][ T3636] ------------[ cut here ]------------ [ 49.014032][ T3636] memcpy: detected field-spanning write (size 16) of single field "r->arp_ha.sa_data" at net/ipv4/arp.c:1128 (size 14) [ 49.027190][ T3636] WARNING: CPU: 0 PID: 3636 at net/ipv4/arp.c:1128 arp_ioctl+0x7ef/0x840 [ 49.035691][ T3636] Modules linked in: [ 49.039599][ T3636] CPU: 0 PID: 3636 Comm: syz-executor173 Not tainted 6.1.0-syzkaller-03225-g764822972d64 #0 [ 49.049714][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 49.059817][ T3636] RIP: 0010:arp_ioctl+0x7ef/0x840 [ 49.064919][ T3636] Code: fc ff ff e8 23 ba 35 f9 b9 0e 00 00 00 4c 89 e6 48 c7 c2 a0 1f 66 8b 48 c7 c7 80 1e 66 8b c6 05 a3 fb f1 05 01 e8 72 9a 5d 01 <0f> 0b e9 66 fc ff ff e8 f5 b9 35 f9 41 be fa ff ff ff e8 7a 14 6f [ 49.084571][ T3636] RSP: 0018:ffffc90003b9fa48 EFLAGS: 00010286 [ 49.090668][ T3636] RAX: 0000000000000000 RBX: ffff888023557028 RCX: 0000000000000000 [ 49.098687][ T3636] RDX: ffff888024b9ba80 RSI: ffffffff8165e57c RDI: fffff52000773f3b [ 49.106706][ T3636] RBP: 1ffff92000773f4f R08: 0000000000000005 R09: 0000000000000000 [ 49.114722][ T3636] R10: 0000000000000201 R11: 0000000000000000 R12: 0000000000000010 [ 49.122752][ T3636] R13: ffff888023557000 R14: 0000000000000000 R15: ffff888023557124 [ 49.130732][ T3636] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0063) knlGS:0000000056cd42c0 [ 49.139709][ T3636] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 49.146369][ T3636] CR2: 0000000020000504 CR3: 000000007e9e6000 CR4: 00000000003506f0 [ 49.154403][ T3636] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.162408][ T3636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.170497][ T3636] Call Trace: [ 49.173842][ T3636] [ 49.176870][ T3636] ? arp_req_delete+0x520/0x520 [ 49.181739][ T3636] inet_ioctl+0x2f9/0x380 [ 49.186135][ T3636] ? ipip_gro_complete+0x100/0x100 [ 49.191291][ T3636] ? lock_downgrade+0x6e0/0x6e0 [ 49.196211][ T3636] ? __kmem_cache_free+0xaf/0x3b0 [ 49.201299][ T3636] ? tomoyo_path_number_perm+0x166/0x570 [ 49.206989][ T3636] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 49.212857][ T3636] sock_do_ioctl+0xcc/0x230 [ 49.217363][ T3636] ? get_user_ifreq+0x250/0x250 [ 49.222210][ T3636] ? vfs_fileattr_set+0xbe0/0xbe0 [ 49.227294][ T3636] compat_sock_ioctl+0x3af/0x740 [ 49.232258][ T3636] ? sock_ioctl+0x680/0x680 [ 49.236813][ T3636] ? fd_install+0x201/0x650 [ 49.241339][ T3636] ? __sys_socket+0x8e/0x250 [ 49.245982][ T3636] ? bpf_lsm_file_ioctl+0x9/0x10 [ 49.250937][ T3636] ? sock_ioctl+0x680/0x680 [ 49.255533][ T3636] __do_compat_sys_ioctl+0x255/0x2b0 [ 49.260848][ T3636] __do_fast_syscall_32+0x65/0xf0 [ 49.265941][ T3636] do_fast_syscall_32+0x33/0x70 [ 49.270824][ T3636] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 49.277240][ T3636] RIP: 0023:0xf7e6d549 [ 49.281344][ T3636] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 49.301019][ T3636] RSP: 002b:00000000fffc027c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 49.309484][ T3636] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000008954 [ 49.317502][ T3636] RDX: 0000000020000500 RSI: 00000000fffc02d0 RDI: 00000000f7f10000 [ 49.325513][ T3636] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 49.333525][ T3636] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 49.341514][ T3636] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.349584][ T3636] [ 49.352656][ T3636] Kernel panic - not syncing: panic_on_warn set ... [ 49.359237][ T3636] CPU: 0 PID: 3636 Comm: syz-executor173 Not tainted 6.1.0-syzkaller-03225-g764822972d64 #0 [ 49.369323][ T3636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 49.379373][ T3636] Call Trace: [ 49.382659][ T3636] [ 49.385595][ T3636] dump_stack_lvl+0xd1/0x138 [ 49.390212][ T3636] panic+0x2cc/0x626 [ 49.394121][ T3636] ? panic_print_sys_info.part.0+0x110/0x110 [ 49.400126][ T3636] ? __warn.cold+0x24b/0x350 [ 49.404732][ T3636] ? arp_ioctl+0x7ef/0x840 [ 49.409161][ T3636] __warn.cold+0x25c/0x350 [ 49.413597][ T3636] ? arp_ioctl+0x7ef/0x840 [ 49.418027][ T3636] report_bug+0x1c0/0x210 [ 49.422372][ T3636] handle_bug+0x3c/0x70 [ 49.426552][ T3636] exc_invalid_op+0x18/0x50 [ 49.431064][ T3636] asm_exc_invalid_op+0x1a/0x20 [ 49.435926][ T3636] RIP: 0010:arp_ioctl+0x7ef/0x840 [ 49.440963][ T3636] Code: fc ff ff e8 23 ba 35 f9 b9 0e 00 00 00 4c 89 e6 48 c7 c2 a0 1f 66 8b 48 c7 c7 80 1e 66 8b c6 05 a3 fb f1 05 01 e8 72 9a 5d 01 <0f> 0b e9 66 fc ff ff e8 f5 b9 35 f9 41 be fa ff ff ff e8 7a 14 6f [ 49.460582][ T3636] RSP: 0018:ffffc90003b9fa48 EFLAGS: 00010286 [ 49.466659][ T3636] RAX: 0000000000000000 RBX: ffff888023557028 RCX: 0000000000000000 [ 49.474643][ T3636] RDX: ffff888024b9ba80 RSI: ffffffff8165e57c RDI: fffff52000773f3b [ 49.482623][ T3636] RBP: 1ffff92000773f4f R08: 0000000000000005 R09: 0000000000000000 [ 49.490602][ T3636] R10: 0000000000000201 R11: 0000000000000000 R12: 0000000000000010 [ 49.498581][ T3636] R13: ffff888023557000 R14: 0000000000000000 R15: ffff888023557124 [ 49.506591][ T3636] ? vprintk+0x8c/0xa0 [ 49.510687][ T3636] ? arp_ioctl+0x7ef/0x840 [ 49.515564][ T3636] ? arp_req_delete+0x520/0x520 [ 49.520489][ T3636] inet_ioctl+0x2f9/0x380 [ 49.524869][ T3636] ? ipip_gro_complete+0x100/0x100 [ 49.530012][ T3636] ? lock_downgrade+0x6e0/0x6e0 [ 49.534881][ T3636] ? __kmem_cache_free+0xaf/0x3b0 [ 49.539929][ T3636] ? tomoyo_path_number_perm+0x166/0x570 [ 49.545586][ T3636] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 49.551426][ T3636] sock_do_ioctl+0xcc/0x230 [ 49.555941][ T3636] ? get_user_ifreq+0x250/0x250 [ 49.560976][ T3636] ? vfs_fileattr_set+0xbe0/0xbe0 [ 49.566039][ T3636] compat_sock_ioctl+0x3af/0x740 [ 49.570990][ T3636] ? sock_ioctl+0x680/0x680 [ 49.575513][ T3636] ? fd_install+0x201/0x650 [ 49.580039][ T3636] ? __sys_socket+0x8e/0x250 [ 49.584644][ T3636] ? bpf_lsm_file_ioctl+0x9/0x10 [ 49.589599][ T3636] ? sock_ioctl+0x680/0x680 [ 49.594114][ T3636] __do_compat_sys_ioctl+0x255/0x2b0 [ 49.599420][ T3636] __do_fast_syscall_32+0x65/0xf0 [ 49.604458][ T3636] do_fast_syscall_32+0x33/0x70 [ 49.609416][ T3636] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 49.615760][ T3636] RIP: 0023:0xf7e6d549 [ 49.620357][ T3636] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 49.640160][ T3636] RSP: 002b:00000000fffc027c EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 49.648588][ T3636] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000008954 [ 49.656651][ T3636] RDX: 0000000020000500 RSI: 00000000fffc02d0 RDI: 00000000f7f10000 [ 49.664626][ T3636] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 49.672611][ T3636] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 49.680590][ T3636] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 49.688593][ T3636] [ 49.691684][ T3636] Kernel Offset: disabled [ 49.696090][ T3636] Rebooting in 86400 seconds..