------------[ cut here ]------------ WARNING: CPU: 0 PID: 5326 at mm/page_alloc.c:5154 __alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5154 Modules linked in: CPU: 0 UID: 0 PID: 5326 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5154 Code: 74 10 4c 89 e7 89 54 24 0c e8 c4 c3 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 44 86 4d 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24 RSP: 0018:ffffc9000d68f920 EFLAGS: 00010246 RAX: ffffc9000d68f900 RBX: 0000000000000014 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d68f988 RBP: ffffc9000d68fa18 R08: ffffc9000d68f987 R09: 0000000000000000 R10: ffffc9000d68f960 R11: fffff52001ad1f31 R12: 0000000000000000 R13: 1ffff92001ad1f28 R14: 0000000000040cc0 R15: dffffc0000000000 FS: 00007f33646e46c0(0000) GS:ffff88808d72d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005565de5806a0 CR3: 0000000042f6e000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 ___kmalloc_large_node+0x5f/0x1b0 mm/slub.c:5591 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5622 __do_kmalloc_node mm/slub.c:5638 [inline] __kmalloc_noprof+0x4bd/0x7f0 mm/slub.c:5662 kmalloc_noprof include/linux/slab.h:961 [inline] raw_alloc_io_data drivers/usb/gadget/legacy/raw_gadget.c:673 [inline] raw_ioctl_ep0_read drivers/usb/gadget/legacy/raw_gadget.c:776 [inline] raw_ioctl+0x1962/0x3be0 drivers/usb/gadget/legacy/raw_gadget.c:1313 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f336378f7c9 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f33646e4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f33639e6090 RCX: 00007f336378f7c9 RDX: 0000200000000400 RSI: 00000000c0085504 RDI: 0000000000000005 RBP: 00007f3363813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f33639e6128 R14: 00007f33639e6090 R15: 00007fffc6a33e18