syzbot

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WARNING: CPU: 0 PID: 3645 at mm/page_alloc.c:5491 __alloc_pages+0x30a/0x560 mm/page_alloc.c:5491
Modules linked in:
CPU: 0 PID: 3645 Comm: syz-executor227 Not tainted 6.0.0-rc6-syzkaller-00210-gbf682942cd26 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:__alloc_pages+0x30a/0x560 mm/page_alloc.c:5491
Code: 5c 24 04 0f 85 f3 00 00 00 44 89 e1 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cc 41 89 cc e9 e3 00 00 00 c6 05 38 ec 40 0c 01 <0f> 0b 83 fb 0a 0f 86 c8 fd ff ff 31 db 48 c7 44 24 20 0e 36 e0 45
RSP: 0018:ffffc900039df780 EFLAGS: 00010246
RAX: ffffc900039df7e0 RBX: 0000000000000012 RCX: 0000000000000000
RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900039df808
RBP: ffffc900039df8a0 R08: dffffc0000000000 R09: ffffc900039df7e0
R10: fffff5200073bf01 R11: 1ffff9200073befc R12: 0000000000060a20
R13: 1ffff9200073bef8 R14: dffffc0000000000 R15: 1ffff9200073bef4
FS:  0000555556b25300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc1668b03a0 CR3: 0000000070949000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __alloc_pages_node include/linux/gfp.h:243 [inline]
 alloc_pages_node include/linux/gfp.h:266 [inline]
 kmalloc_large_node+0x7c/0x180 mm/slub.c:4443
 __kmalloc_node_track_caller+0x2f3/0x400 mm/slub.c:4950
 kmalloc_reserve net/core/skbuff.c:370 [inline]
 pskb_expand_head+0x2ea/0x1280 net/core/skbuff.c:1729
 __skb_grow include/linux/skbuff.h:3038 [inline]
 tun_napi_alloc_frags+0x1af/0xb60 drivers/net/tun.c:1472
 tun_get_user+0x9ca/0x2540 drivers/net/tun.c:1826
 tun_chr_write_iter+0x10a/0x1e0 drivers/net/tun.c:2025
 call_write_iter include/linux/fs.h:2187 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7b5/0xbb0 fs/read_write.c:578
 ksys_write+0x19b/0x2c0 fs/read_write.c:631
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fc166866d79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 90 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff350ba668 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc166866d79
RDX: 0000000020000486 RSI: 0000000020000440 RDI: 0000000000000003
RBP: 00007fff350ba690 R08: 0000000000000001 R09: 00007fff350ba698
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00000000000f4240 R14: 000000000000bba0 R15: 00007fff350ba678
 </TASK>