------------[ cut here ]------------ WARNING: CPU: 1 PID: 17449 at mm/page_alloc.c:5175 __alloc_pages+0x58b/0x5f0 mm/page_alloc.c:5222 Modules linked in: CPU: 1 PID: 17449 Comm: syz-executor.5 Not tainted 5.13.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__alloc_pages+0x58b/0x5f0 mm/page_alloc.c:5222 Code: 00 48 ba 00 00 00 00 00 fc ff df e9 5e fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 6d fd ff ff e8 ca ec 09 00 e9 63 fd ff ff <0f> 0b 45 31 e4 e9 7a fd ff ff 48 8d 4c 24 50 80 e1 07 80 c1 03 38 RSP: 0018:ffffc90016437900 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 000000000000000c RCX: 0000000000000000 RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90016437988 RBP: ffffc90016437a18 R08: dffffc0000000000 R09: ffffc90016437960 R10: fffff52002c86f31 R11: 0000000000000000 R12: 0000000000040cc0 R13: ffffc90016437960 R14: 1ffff92002c86f28 R15: 1ffff92002c86f24 FS: 00007f53aa0ef700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000544038 CR3: 000000002ace5000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kmalloc_order+0x41/0x170 mm/slab_common.c:924 kmalloc_order_trace+0x15/0x70 mm/slab_common.c:940 kmalloc_large include/linux/slab.h:485 [inline] __kmalloc_track_caller+0x28f/0x390 mm/slub.c:4558 memdup_user_nul+0x26/0xf0 mm/util.c:260 smk_set_cipso+0x18b/0x7e0 security/smack/smackfs.c:859 vfs_write+0x289/0xc90 fs/read_write.c:603 ksys_write+0x171/0x2a0 fs/read_write.c:658 do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 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:00007f53aa0ef188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000000f0ff7f RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff6e154def R14: 00007f53aa0ef300 R15: 0000000000022000