------------[ cut here ]------------ kernel BUG at net/phonet/socket.c:213! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4688 Comm: syz.3.69 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/25/2026 RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline] RIP: 0010:pn_socket_sendmsg+0x223/0x230 net/phonet/socket.c:422 Code: 41 5f 5d c3 e8 9e f4 c3 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 d7 f1 66 f8 e9 02 ff ff ff e8 fd cb 15 f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 RSP: 0018:ffffc90005fcfc20 EFLAGS: 00010283 RAX: ffffffff896c55a3 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000e6b1000 RSI: 0000000000000872 RDI: 0000000000000873 RBP: ffffc90005fcfcd0 R08: ffff888077a2809b R09: 1ffff1100ef45013 R10: dffffc0000000000 R11: ffffed100ef45014 R12: dffffc0000000000 R13: ffff888072051800 R14: ffff888077a28000 R15: 1ffff92000bf9f88 FS: 00007feaa4f086c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff57945bb8 CR3: 000000002738c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x497/0x650 net/socket.c:2153 __do_sys_sendto net/socket.c:2165 [inline] __se_sys_sendto net/socket.c:2161 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2161 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7feaa3f5e6ce Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 RSP: 002b:00007feaa4f06e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007feaa4f086c0 RCX: 00007feaa3f5e6ce RDX: 0000000000000020 RSI: 00007feaa4f07000 RDI: 0000000000000007 RBP: 0000000000000000 R08: 00007feaa4f06f04 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 R13: 00007feaa4f06f58 R14: 00007feaa4f07000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline] RIP: 0010:pn_socket_sendmsg+0x223/0x230 net/phonet/socket.c:422 Code: 41 5f 5d c3 e8 9e f4 c3 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 d7 f1 66 f8 e9 02 ff ff ff e8 fd cb 15 f8 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 55 48 89 e5 41 57 41 56 41 RSP: 0018:ffffc90005fcfc20 EFLAGS: 00010283 RAX: ffffffff896c55a3 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9000e6b1000 RSI: 0000000000000872 RDI: 0000000000000873 RBP: ffffc90005fcfcd0 R08: ffff888077a2809b R09: 1ffff1100ef45013 R10: dffffc0000000000 R11: ffffed100ef45014 R12: dffffc0000000000 R13: ffff888072051800 R14: ffff888077a28000 R15: 1ffff92000bf9f88 FS: 00007feaa4f086c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f601c3ef4b8 CR3: 000000002738c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400