R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc64f4193f R14: 00007faf1f7b1300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8640 at mm/page_alloc.c:5364 __alloc_pages+0x52e/0x580 Modules linked in: CPU: 1 PID: 8640 Comm: syz-executor.3 Not tainted 5.17.0-rc7-syzkaller-00235-gaad611a868d1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__alloc_pages+0x52e/0x580 mm/page_alloc.c:5364 Code: ff 48 8d 7c 24 50 e8 a1 f1 0a 00 e9 90 fd ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c a0 fd ff ff e8 87 f1 0a 00 e9 96 fd ff ff <0f> 0b e9 af fd ff ff 48 8d 4c 24 50 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc90003e6f440 EFLAGS: 00010246 RAX: ffffc90003e6f4a0 RBX: ffffc90003e6f490 RCX: 0000000000000000 RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc90003e6f4c8 RBP: ffffc90003e6f548 R08: dffffc0000000000 R09: ffffc90003e6f4a0 R10: fffff520007cde99 R11: 0000000000000000 R12: 1ffff920007cde8c R13: 1ffff920007cde90 R14: 0000000000060a20 R15: dffffc0000000000 FS: 00007faf1f7b1700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c3c162998 CR3: 0000000063102000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_node include/linux/gfp.h:572 [inline] alloc_pages_node include/linux/gfp.h:595 [inline] kmalloc_large_node+0x7c/0x180 mm/slub.c:4438 __kmalloc_node_track_caller+0x30f/0x400 mm/slub.c:4943 kmalloc_reserve net/core/skbuff.c:362 [inline] pskb_expand_head+0x261/0x10e0 net/core/skbuff.c:1699 __skb_grow include/linux/skbuff.h:2835 [inline] tun_napi_alloc_frags drivers/net/tun.c:1444 [inline] tun_get_user+0xf39/0x39e0 drivers/net/tun.c:1797 tun_chr_write_iter+0x10a/0x1e0 drivers/net/tun.c:1993 call_write_iter include/linux/fs.h:2074 [inline] aio_write+0x542/0x760 fs/aio.c:1605 __io_submit_one+0x2e9/0x1220 io_submit_one+0x48a/0x880 fs/aio.c:2024 __do_sys_io_submit+0x18a/0x300 fs/aio.c:2083 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7faf20e3c049 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faf1f7b1168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007faf20f4ef60 RCX: 00007faf20e3c049 RDX: 0000000020001a40 RSI: 0000000000000001 RDI: 00007faf1f70d000 RBP: 00007faf1f7b11d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffc64f4193f R14: 00007faf1f7b1300 R15: 0000000000022000