------------[ cut here ]------------ WARNING: CPU: 0 PID: 18930 at mm/page_alloc.c:4937 trace_mm_page_alloc include/trace/events/kmem.h:193 [inline] WARNING: CPU: 0 PID: 18930 at mm/page_alloc.c:4937 __alloc_pages_nodemask+0x595/0x680 mm/page_alloc.c:4981 Modules linked in: CPU: 0 PID: 18930 Comm: syz-executor.4 Not tainted 5.10.109 #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+0x595/0x680 mm/page_alloc.c:4937 Code: 0f 85 4c ff ff ff 48 c7 c2 00 50 2d 84 be c1 00 00 00 48 c7 c7 60 50 2d 84 c6 05 3d 93 df 03 01 e8 9e 20 6b 02 e9 28 ff ff ff <0f> 0b e9 cb fd ff ff 4c 89 44 24 18 4c 89 44 24 10 89 74 24 0c 4c RSP: 0018:ffff88804ec877a0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff11009d90ef8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000040cc0 RBP: 0000000000000000 R08: 0000000000000080 R09: ffff88804ec87b9f R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000013 R13: 0000000000000013 R14: 0000000000000000 R15: 00000000ffffffa1 FS: 00007fa55bb3f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020003000 CR3: 000000004c336000 CR4: 0000000000350ef0 EXT4-fs (loop3): VFS: Can't find ext4 filesystem DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff4ff0 DR7: 0000000000000400 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 include/linux/slab.h:557 [inline] sco_sock_sendmsg+0x170/0x640 net/bluetooth/sco.c:737 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0x150/0x190 net/socket.c:671 ____sys_sendmsg+0x334/0x870 net/socket.c:2342 ___sys_sendmsg+0xf3/0x170 net/socket.c:2396 __sys_sendmmsg+0x195/0x470 net/socket.c:2486 __do_sys_sendmmsg net/socket.c:2515 [inline] __se_sys_sendmmsg net/socket.c:2512 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2512 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fa55e5c9b19 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:00007fa55bb3f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fa55e6dcf60 RCX: 00007fa55e5c9b19 RDX: 0000000000000001 RSI: 00000000200012c0 RDI: 0000000000000004 RBP: 00007fa55e623f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd7bf2c7f R14: 00007fa55bb3f300 R15: 0000000000022000 irq event stamp: 987 hardirqs last enabled at (997): [] console_unlock+0x929/0xb30 kernel/printk/printk.c:2559 hardirqs last disabled at (1006): [] console_unlock+0x835/0xb30 kernel/printk/printk.c:2474 softirqs last enabled at (340): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (279): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 22b59b79be2d8e7e ]--- EXT4-fs (loop3): VFS: Can't find ext4 filesystem netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'.