kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 24825 Comm: syz-executor.1 Not tainted 5.0.0+ #114
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:xsk_diag_put_umem net/xdp/xsk_diag.c:71 [inline]
RIP: 0010:xsk_diag_fill net/xdp/xsk_diag.c:113 [inline]
RIP: 0010:xsk_diag_dump+0xdcb/0x13a0 net/xdp/xsk_diag.c:143
Code: 8d be c0 04 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 39 04 00 00 49 8b 96 c0 04 00 00 48 8d 7a 14 48 89 f8 48 c1 e8 03 <42> 0f b6 0c 20 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85
RSP: 0018:ffff88808fae72d8 EFLAGS: 00010203
RAX: 0000000000000002 RBX: ffff888060cf37c0 RCX: ffffc90005e0b000
RDX: 0000000000000000 RSI: ffffffff86ff8120 RDI: 0000000000000014
RBP: ffff88808fae7438 R08: ffff88806d932580 R09: ffffed10149189ab
R10: ffffed10149189aa R11: ffff8880a48c4d57 R12: dffffc0000000000
R13: ffff888094b71798 R14: ffff88808f7d9300 R15: ffff8880a48c4d0c
FS:  00007fb7d4bbf700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001e2b7d0 CR3: 00000000a65de000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 netlink_dump+0x55d/0xfb0 net/netlink/af_netlink.c:2252
 __netlink_dump_start+0x5b4/0x7e0 net/netlink/af_netlink.c:2360
 netlink_dump_start include/linux/netlink.h:226 [inline]
 xsk_diag_handler_dump+0x1b2/0x250 net/xdp/xsk_diag.c:170
 __sock_diag_cmd net/core/sock_diag.c:232 [inline]
 sock_diag_rcv_msg+0x322/0x410 net/core/sock_diag.c:263
 netlink_rcv_skb+0x17a/0x460 net/netlink/af_netlink.c:2485
 sock_diag_rcv+0x2b/0x40 net/core/sock_diag.c:274
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x536/0x720 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1925
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:632
 sock_write_iter+0x27c/0x3e0 net/socket.c:923
 call_write_iter include/linux/fs.h:1869 [inline]
 do_iter_readv_writev+0x5e0/0x8e0 fs/read_write.c:680
 do_iter_write fs/read_write.c:956 [inline]
 do_iter_write+0x184/0x610 fs/read_write.c:937
 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1001
 do_writev+0xf6/0x290 fs/read_write.c:1036
 __do_sys_writev fs/read_write.c:1109 [inline]
 __se_sys_writev fs/read_write.c:1106 [inline]
 __x64_sys_writev+0x75/0xb0 fs/read_write.c:1106
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457f29
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb7d4bbec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f29
RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb7d4bbf6d4
R13: 00000000004c4a60 R14: 00000000004dd218 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop2' (0000000001cc9044): kobject_uevent_env
---[ end trace f496593eeb2fb31f ]---
kobject: 'loop2' (0000000001cc9044): fill_kobj_path: path = '/devices/virtual/block/loop2'
RIP: 0010:xsk_diag_put_umem net/xdp/xsk_diag.c:71 [inline]
RIP: 0010:xsk_diag_fill net/xdp/xsk_diag.c:113 [inline]
RIP: 0010:xsk_diag_dump+0xdcb/0x13a0 net/xdp/xsk_diag.c:143
Code: 8d be c0 04 00 00 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 39 04 00 00 49 8b 96 c0 04 00 00 48 8d 7a 14 48 89 f8 48 c1 e8 03 <42> 0f b6 0c 20 48 89 f8 83 e0 07 83 c0 03 38 c8 7c 08 84 c9 0f 85
kobject: 'loop4' (00000000bf6788e1): kobject_uevent_env
RSP: 0018:ffff88808fae72d8 EFLAGS: 00010203
kobject: 'loop4' (00000000bf6788e1): fill_kobj_path: path = '/devices/virtual/block/loop4'
RAX: 0000000000000002 RBX: ffff888060cf37c0 RCX: ffffc90005e0b000
kobject: 'loop3' (00000000d9227a3d): kobject_uevent_env
RDX: 0000000000000000 RSI: ffffffff86ff8120 RDI: 0000000000000014
RBP: ffff88808fae7438 R08: ffff88806d932580 R09: ffffed10149189ab
kobject: 'loop3' (00000000d9227a3d): fill_kobj_path: path = '/devices/virtual/block/loop3'
R10: ffffed10149189aa R11: ffff8880a48c4d57 R12: dffffc0000000000
R13: ffff888094b71798 R14: ffff88808f7d9300 R15: ffff8880a48c4d0c
FS:  00007fb7d4bbf700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop0' (0000000011a4a6d9): kobject_uevent_env
CR2: 000000000070b158 CR3: 00000000a65de000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop0' (0000000011a4a6d9): fill_kobj_path: path = '/devices/virtual/block/loop0'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400