general protection fault, probably for non-canonical address 0xdffffc0000000045: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000228-0x000000000000022f] CPU: 1 PID: 29907 Comm: syz-executor.5 Not tainted 5.10.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:xsk_recvmsg+0x79/0x5e0 net/xdp/xsk.c:567 Code: 03 80 3c 02 00 0f 85 00 05 00 00 48 8b 9d c8 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 28 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 9c 04 00 00 8b 9b 28 02 00 00 RSP: 0018:ffffc900096efae0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90013aec000 RDX: 0000000000000045 RSI: ffffffff88a9ba55 RDI: 0000000000000228 RBP: ffff88807dae9000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffc900096efe98 R15: 0000000000000000 FS: 00007f5edffa6700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000119c020 CR3: 0000000090f18000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: sock_recvmsg_nosec net/socket.c:885 [inline] sock_recvmsg net/socket.c:903 [inline] sock_recvmsg net/socket.c:899 [inline] ____sys_recvmsg+0x2c4/0x600 net/socket.c:2554 ___sys_recvmsg+0x127/0x200 net/socket.c:2596 __sys_recvmsg+0xe2/0x1a0 net/socket.c:2632 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e159 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5edffa5c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e159 RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffcf85a22af R14: 00007f5edffa69c0 R15: 000000000119bf8c Modules linked in: ---[ end trace e522ee35510fbab0 ]--- RIP: 0010:xsk_recvmsg+0x79/0x5e0 net/xdp/xsk.c:567 Code: 03 80 3c 02 00 0f 85 00 05 00 00 48 8b 9d c8 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 28 02 00 00 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 9c 04 00 00 8b 9b 28 02 00 00 RSP: 0018:ffffc900096efae0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90013aec000 RDX: 0000000000000045 RSI: ffffffff88a9ba55 RDI: 0000000000000228 RBP: ffff88807dae9000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffc900096efe98 R15: 0000000000000000 FS: 00007f5edffa6700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd3833e800 CR3: 0000000090f18000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400