------------[ cut here ]------------ WARNING: CPU: 0 PID: 10992 at mm/page_alloc.c:5402 __alloc_pages+0x39e/0x510 mm/page_alloc.c:5402 Modules linked in: CPU: 0 PID: 10992 Comm: syz-executor.0 Not tainted 5.19.0-rc2-syzkaller-00049-g24625f7d91fb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__alloc_pages+0x39e/0x510 mm/page_alloc.c:5402 Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 43 1c ea 0b 00 75 09 c6 05 3a 1c ea 0b 01 <0f> 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 41 e4 45 7e 48 c7 c0 00 33 RSP: 0018:ffffc900075576f0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff92000eaaedf RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000012 RDI: 0000000000000000 RBP: 0000000000060a20 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000012 R13: 0000000000000000 R14: 0000000000000012 R15: 0000000000000000 FS: 00007fbfec7fe700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbfec75a000 CR3: 000000007587f000 CR4: 0000000000350ef0 Call Trace: __alloc_pages_node include/linux/gfp.h:587 [inline] alloc_pages_node include/linux/gfp.h:610 [inline] kmalloc_large_node+0x62/0x130 mm/slub.c:4431 __kmalloc_node_track_caller+0x2ec/0x360 mm/slub.c:4936 kmalloc_reserve net/core/skbuff.c:362 [inline] pskb_expand_head+0xf23/0x1070 net/core/skbuff.c:1695 __skb_grow include/linux/skbuff.h:3144 [inline] tun_napi_alloc_frags drivers/net/tun.c:1461 [inline] tun_get_user+0x1ef8/0x3b00 drivers/net/tun.c:1815 tun_chr_write_iter+0xdb/0x200 drivers/net/tun.c:2014 call_write_iter include/linux/fs.h:2058 [inline] aio_write+0x34a/0x7a0 fs/aio.c:1603 __io_submit_one fs/aio.c:1979 [inline] io_submit_one+0x6e1/0x1c70 fs/aio.c:2022 __do_sys_io_submit fs/aio.c:2081 [inline] __se_sys_io_submit fs/aio.c:2051 [inline] __x64_sys_io_submit+0x18c/0x330 fs/aio.c:2051 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fbfed889109 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:00007fbfec7fe168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007fbfed99bf60 RCX: 00007fbfed889109 RDX: 0000000020001a40 RSI: 0000000000000001 RDI: 00007fbfec75a000 RBP: 00007fbfec7fe1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff5fcbf02f R14: 00007fbfec7fe300 R15: 0000000000022000