netlink: 'syz-executor.6': attribute type 1 has an invalid length. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4465 at mm/page_alloc.c:4935 __alloc_pages_nodemask+0x560/0x680 mm/page_alloc.c:4970 Modules linked in: CPU: 0 PID: 4465 Comm: syz-executor.0 Not tainted 5.10.49 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:__alloc_pages_nodemask+0x560/0x680 mm/page_alloc.c:4935 Code: 00 00 0c 00 0f 85 86 00 00 00 4c 89 c2 44 89 e6 44 89 f7 c6 44 24 70 00 4c 89 6c 24 58 e8 98 d8 ff ff 49 89 c7 e9 41 fd ff ff <0f> 0b e9 00 fe ff ff 4c 89 44 24 18 4c 89 44 24 10 89 74 24 0c 4c RSP: 0018:ffff8880447f73d0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff110088fee7e RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040dc0 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000015 R13: 0000000000000015 R14: 0000000000000000 R15: ffff88800af8c100 FS: 00007f760a4af700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004cb7f1 CR3: 000000000d228000 CR4: 0000000000350ef0 Call Trace: alloc_pages_current+0x187/0x280 mm/mempolicy.c:2271 alloc_pages include/linux/gfp.h:547 [inline] kmalloc_order+0x35/0x160 mm/slab_common.c:835 kmalloc_order_trace+0x14/0xf0 mm/slab_common.c:851 kmalloc_array include/linux/slab.h:592 [inline] kcalloc include/linux/slab.h:603 [inline] netlbl_cipsov4_add_std net/netlabel/netlabel_cipso_v4.c:188 [inline] netlbl_cipsov4_add+0x5a9/0x23e0 net/netlabel/netlabel_cipso_v4.c:416 genl_family_rcv_msg_doit+0x22d/0x330 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x33c/0x5a0 net/netlink/genetlink.c:800 netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2496 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1306 [inline] netlink_unicast+0x53a/0x7e0 net/netlink/af_netlink.c:1332 netlink_sendmsg+0x860/0xda0 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0x150/0x190 net/socket.c:671 ____sys_sendmsg+0x709/0x870 net/socket.c:2340 ___sys_sendmsg+0xf3/0x170 net/socket.c:2394 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2427 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f760a4af188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 00000000200004c0 RDI: 0000000000000006 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fffc365b26f R14: 00007f760a4af300 R15: 0000000000022000 irq event stamp: 1535 hardirqs last enabled at (1541): [] console_trylock_spinning kernel/printk/printk.c:1847 [inline] hardirqs last enabled at (1541): [] vprintk_emit+0x482/0x4d0 kernel/printk/printk.c:2051 hardirqs last disabled at (1546): [] console_trylock_spinning kernel/printk/printk.c:1826 [inline] hardirqs last disabled at (1546): [] vprintk_emit+0x414/0x4d0 kernel/printk/printk.c:2051 softirqs last enabled at (1224): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1215): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 89f974133d7034d2 ]--- EXT4-fs (loop3): VFS: Can't find ext4 filesystem EXT4-fs (loop3): VFS: Can't find ext4 filesystem audit: type=1400 audit(1626402107.874:12): avc: denied { block_suspend } for pid=4456 comm="syz-executor.1" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 FAT-fs (loop3): Unrecognized mount option "}" or missing value EXT4-fs (loop6): Ignoring removed mblk_io_submit option EXT4-fs (loop6): fragment/cluster size (32768) != block size (2048) EXT4-fs (loop6): Ignoring removed mblk_io_submit option EXT4-fs (loop6): fragment/cluster size (32768) != block size (2048) FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop2): Unrecognized mount option "€" or missing value FAT-fs (loop2): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop3): Unrecognized mount option "}" or missing value FAT-fs (loop1): Unrecognized mount option "./file1" or missing value syz-executor.1 (4507) used greatest stack depth: 23568 bytes left