------------[ cut here ]------------ kernel BUG at include/linux/scatterlist.h:187! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6639 Comm: syz.0.216 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:sg_set_buf include/linux/scatterlist.h:187 [inline] RIP: 0010:sg_init_one+0x156/0x160 lib/scatterlist.c:143 Code: 80 c1 03 38 c1 7c cf e8 88 3d af fd eb c8 44 89 f1 80 e1 07 80 c1 03 38 c1 7c d2 4c 89 f7 e8 71 3d af fd eb c8 e8 ba b9 56 fd <0f> 0b e8 b3 b9 56 fd 0f 0b 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 RSP: 0018:ffffc900195572e8 EFLAGS: 00010283 RAX: ffffffff8430b866 RBX: ffff8880754cf700 RCX: 0000000000080000 RDX: ffffc9000ca29000 RSI: 0000000000012b72 RDI: 0000000000012b73 RBP: 1ffff920032aae94 R08: ffffc900195574bf R09: 0000000000000000 R10: ffffc900195574a0 R11: fffff520032aae98 R12: dffffc0000000000 R13: 0000000000000008 R14: ffffc900195574a0 R15: ffffc900195574e0 FS: 00007fad180596c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd9d41eb7c0 CR3: 000000007545e000 CR4: 00000000003506e0 Call Trace: rxkad_secure_packet+0x2fb/0x12e0 net/rxrpc/rxkad.c:372 rxrpc_send_data+0x102d/0x29e0 net/rxrpc/sendmsg.c:407 rxrpc_do_sendmsg+0x10c6/0x12d0 net/rxrpc/sendmsg.c:728 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] ____sys_sendmsg+0x61b/0x980 net/socket.c:2595 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649 __sys_sendmsg net/socket.c:2678 [inline] __do_sys_sendmsg net/socket.c:2687 [inline] __se_sys_sendmsg+0x1d0/0x2c0 net/socket.c:2685 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fad1719e0d9 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:00007fad18059028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fad17425fa0 RCX: 00007fad1719e0d9 RDX: 0000000000000000 RSI: 0000200000000b00 RDI: 0000000000000008 RBP: 00007fad17235024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fad17426038 R14: 00007fad17425fa0 R15: 00007ffd465733b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:sg_set_buf include/linux/scatterlist.h:187 [inline] RIP: 0010:sg_init_one+0x156/0x160 lib/scatterlist.c:143 Code: 80 c1 03 38 c1 7c cf e8 88 3d af fd eb c8 44 89 f1 80 e1 07 80 c1 03 38 c1 7c d2 4c 89 f7 e8 71 3d af fd eb c8 e8 ba b9 56 fd <0f> 0b e8 b3 b9 56 fd 0f 0b 90 f3 0f 1e fa 55 41 57 41 56 41 55 41 RSP: 0018:ffffc900195572e8 EFLAGS: 00010283 RAX: ffffffff8430b866 RBX: ffff8880754cf700 RCX: 0000000000080000 RDX: ffffc9000ca29000 RSI: 0000000000012b72 RDI: 0000000000012b73 RBP: 1ffff920032aae94 R08: ffffc900195574bf R09: 0000000000000000 R10: ffffc900195574a0 R11: fffff520032aae98 R12: dffffc0000000000 R13: 0000000000000008 R14: ffffc900195574a0 R15: ffffc900195574e0 FS: 00007fad180596c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8f41e4de68 CR3: 000000007545e000 CR4: 00000000003506f0