------------[ cut here ]------------ WARNING: mm/page_alloc.c:5186 at __alloc_frozen_pages_noprof+0x309/0x2430 mm/page_alloc.c:5186, CPU#1: syz.5.2997/16086 Modules linked in: CPU: 1 UID: 0 PID: 16086 Comm: syz.5.2997 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP 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+0x309/0x2430 mm/page_alloc.c:5186 Code: f0 5b 5d 41 5c 41 5d 41 5e 41 5f e9 81 de 5e 09 83 fe 0a 0f 86 0c fe ff ff 80 3d c9 7b 55 0e 00 75 0b c6 05 c0 7b 55 0e 01 90 <0f> 0b 90 45 31 f6 eb 81 4d 85 f6 74 22 44 89 fa 89 ee 4c 89 f7 e8 RSP: 0018:ffffc900046279f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000040cc0 RBP: 0000000000000013 R08: 0000000000000005 R09: 0000000000000009 R10: 0000000000000013 R11: ffff88802d9e2ff0 R12: 0000000000040cc0 R13: 1ffff920008c4f55 R14: ffffffff9ac2aac4 R15: 0000000000000013 FS: 00007f4c842c86c0(0000) GS:ffff8880d6a0d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c45789f CR3: 000000005e16f000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2486 ___kmalloc_large_node+0x10c/0x150 mm/slub.c:5593 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:5624 __do_kmalloc_node mm/slub.c:5640 [inline] __kmalloc_noprof.cold+0xc/0x62 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_alloc_io_data+0x12c/0x1a0 drivers/usb/gadget/legacy/raw_gadget.c:659 raw_ioctl_ep_read drivers/usb/gadget/legacy/raw_gadget.c:1162 [inline] raw_ioctl+0x628/0x2e60 drivers/usb/gadget/legacy/raw_gadget.c:1325 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4c8338f7c9 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:00007f4c842c8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4c835e5fa0 RCX: 00007f4c8338f7c9 RDX: 00002000000000c0 RSI: 00000000c0085508 RDI: 0000000000000004 RBP: 00007f4c83413f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c835e6038 R14: 00007f4c835e5fa0 R15: 00007ffd2c00b958