------------[ cut here ]------------ kernel BUG at net/phonet/socket.c:226! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22081 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pn_socket_autobind net/phonet/socket.c:226 [inline] RIP: 0010:pn_socket_autobind+0x13c/0x160 net/phonet/socket.c:215 Code: 44 05 00 00 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 26 48 83 c4 60 44 89 e0 5b 5d 41 5c 41 5d c3 e8 24 6c fd f9 <0f> 0b e8 ed 47 33 fa eb 9f e8 06 49 33 fa e9 6d ff ff ff e8 9c 8c RSP: 0018:ffff88809910fae8 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90005c84000 RDX: 0000000000000775 RSI: ffffffff8765194c RDI: 0000000000000003 RBP: 1ffff11013221f5d R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8880abf7c100 R15: 0000000000000000 FS: 00007f8c17fe8700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb5cd5cc090 CR3: 0000000098d6e000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pn_socket_sendmsg+0x40/0xd0 net/phonet/socket.c:436 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227 __sys_sendmsg net/socket.c:2265 [inline] __do_sys_sendmsg net/socket.c:2274 [inline] __se_sys_sendmsg net/socket.c:2272 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8c19673109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8c17fe8168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f8c19785f60 RCX: 00007f8c19673109 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000005 RBP: 00007f8c196cd08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdde9638bf R14: 00007f8c17fe8300 R15: 0000000000022000 Modules linked in: ---[ end trace 7b822bc4847e1972 ]--- RIP: 0010:pn_socket_autobind net/phonet/socket.c:226 [inline] RIP: 0010:pn_socket_autobind+0x13c/0x160 net/phonet/socket.c:215 Code: 44 05 00 00 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 26 48 83 c4 60 44 89 e0 5b 5d 41 5c 41 5d c3 e8 24 6c fd f9 <0f> 0b e8 ed 47 33 fa eb 9f e8 06 49 33 fa e9 6d ff ff ff e8 9c 8c RSP: 0018:ffff88809910fae8 EFLAGS: 00010216 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90005c84000 RDX: 0000000000000775 RSI: ffffffff8765194c RDI: 0000000000000003 RBP: 1ffff11013221f5d R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000003 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8880abf7c100 R15: 0000000000000000 FS: 00007f8c17fe8700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055637e632160 CR3: 0000000098d6e000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400