------------[ cut here ]------------ WARNING: CPU: 0 PID: 3849 at mm/page_alloc.c:5402 __alloc_pages+0x30a/0x560 mm/page_alloc.c:5402 Modules linked in: CPU: 0 PID: 3849 Comm: syz-executor109 Not tainted 5.19.0-rc5-syzkaller-00187-ge8a4e1c1bb69 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 RIP: 0010:__alloc_pages+0x30a/0x560 mm/page_alloc.c:5402 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 f0 e3 21 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:ffffc9000342f620 EFLAGS: 00010246 RAX: ffffc9000342f680 RBX: 0000000000000013 RCX: 0000000000000000 RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc9000342f6a8 RBP: ffffc9000342f740 R08: dffffc0000000000 R09: ffffc9000342f680 R10: fffff52000685ed5 R11: 1ffff92000685ed0 R12: 0000000000060a20 R13: 1ffff92000685ecc R14: dffffc0000000000 R15: 1ffff92000685ec8 FS: 0000555555a58300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc3575c88e4 CR3: 0000000074439000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_node include/linux/gfp.h:587 [inline] alloc_pages_node include/linux/gfp.h:610 [inline] kmalloc_large_node+0x7c/0x180 mm/slub.c:4460 __kmalloc_node_track_caller+0x2ee/0x3f0 mm/slub.c:4965 kmalloc_reserve net/core/skbuff.c:362 [inline] pskb_expand_head+0x2a6/0x1220 net/core/skbuff.c:1695 __skb_grow include/linux/skbuff.h:3144 [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 do_iter_readv_writev+0x499/0x650 do_iter_write+0x1f1/0x7a0 fs/read_write.c:868 vfs_writev fs/read_write.c:941 [inline] do_writev+0x27a/0x470 fs/read_write.c:984 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+0x46/0xb0 RIP: 0033:0x7fc357569c59 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:00007fffdec54488 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc357569c59 RDX: 0000000000000009 RSI: 0000000020001600 RDI: 0000000000000003 RBP: 00007fffdec544a0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 00000000000f4240 R14: 000000000001055a R15: 00007fffdec54494