------------[ cut here ]------------ kernel BUG at net/phonet/socket.c:213! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4747 Comm: syz.0.121 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 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 3e ff b0 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 47 7a b2 f8 e9 02 ff ff ff e8 8d 5b 6d 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:ffffc9000389f9c0 EFLAGS: 00010287 RAX: ffffffff890bda83 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90004034000 RSI: 0000000000000080 RDI: 0000000000000081 RBP: ffffc9000389fa70 R08: ffff8880577306cb R09: 1ffff1100aee60d9 R10: dffffc0000000000 R11: ffffed100aee60da R12: dffffc0000000000 R13: ffff8880207c1200 R14: ffff888057730640 R15: 1ffff92000713f3c FS: 00007f2b0bdfc6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f88119046b8 CR3: 000000001e929000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_sendmsg_nosec net/socket.c:706 [inline] __sock_sendmsg net/socket.c:718 [inline] ____sys_sendmsg+0x5b7/0x8f0 net/socket.c:2445 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2499 __sys_sendmsg net/socket.c:2528 [inline] __do_sys_sendmsg net/socket.c:2537 [inline] __se_sys_sendmsg+0x1af/0x290 net/socket.c:2535 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2b0dba2e59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2b0bdfc028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f2b0de1bfa0 RCX: 00007f2b0dba2e59 RDX: 0000000004004081 RSI: 00002000000002c0 RDI: 0000000000000007 RBP: 00007f2b0dc38d6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2b0de1c038 R14: 00007f2b0de1bfa0 R15: 00007ffcdde75c18 Modules linked in: ---[ end trace 1bbd1e9bb77a121a ]--- 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 3e ff b0 00 89 d9 80 e1 07 fe c1 38 c1 0f 8c 0f ff ff ff 48 89 df e8 47 7a b2 f8 e9 02 ff ff ff e8 8d 5b 6d 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:ffffc9000389f9c0 EFLAGS: 00010287 RAX: ffffffff890bda83 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90004034000 RSI: 0000000000000080 RDI: 0000000000000081 RBP: ffffc9000389fa70 R08: ffff8880577306cb R09: 1ffff1100aee60d9 R10: dffffc0000000000 R11: ffffed100aee60da R12: dffffc0000000000 R13: ffff8880207c1200 R14: ffff888057730640 R15: 1ffff92000713f3c FS: 00007f2b0bdfc6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8810da92f8 CR3: 000000001e929000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400