------------[ cut here ]------------ WARNING: mm/page_alloc.c:5186 at __alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5186, CPU#0: syz.0.0/5343 Modules linked in: CPU: 0 UID: 0 PID: 5343 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:5186 Code: 74 10 4c 89 e7 89 54 24 0c e8 64 ad 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 4b fa 4f 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:ffffc9000d457940 EFLAGS: 00010246 RAX: ffffc9000d457900 RBX: 000000000000000e RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000d4579a8 RBP: ffffc9000d457a28 R08: ffffc9000d4579a7 R09: 0000000000000000 R10: ffffc9000d457980 R11: fffff52001a8af35 R12: 0000000000000000 R13: 1ffff92001a8af2c R14: 0000000000040cc0 R15: dffffc0000000000 FS: 00007f3e348756c0(0000) GS:ffff88808d679000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3e34873fe0 CR3: 0000000011a53000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2486 ___kmalloc_large_node+0x4e/0x150 mm/slub.c:5593 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5624 __do_kmalloc_node mm/slub.c:5640 [inline] __kmalloc_noprof+0x4c9/0x800 mm/slub.c:5664 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+0x1962/0x3bc0 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/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3e3398f7c9 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:00007f3e34875038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3e33be5fa0 RCX: 00007f3e3398f7c9 RDX: 0000200000000140 RSI: 00000000c0085504 RDI: 0000000000000003 RBP: 00007f3e33a13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3e33be6038 R14: 00007f3e33be5fa0 R15: 00007ffcc2bdeef8