RSP: 002b:00007f44a77f4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f44a679bf60 RCX: 00007f44a6689109 RDX: 00000000fffffe61 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f44a77f41d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd684f0b9f R14: 00007f44a77f4300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9598 at mm/page_alloc.c:5383 current_gfp_context include/linux/sched/mm.h:204 [inline] WARNING: CPU: 0 PID: 9598 at mm/page_alloc.c:5383 __alloc_pages+0x45d/0x500 mm/page_alloc.c:5395 Modules linked in: CPU: 0 PID: 9598 Comm: syz-executor.1 Not tainted 5.18.0-syzkaller-04956-g4548ad7287c4 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__alloc_pages+0x45d/0x500 mm/page_alloc.c:5383 Code: be c9 00 00 00 48 c7 c7 60 86 d8 89 c6 05 3e 2e ea 0b 01 e8 2e c3 72 07 e9 6a ff ff ff 0f 0b e9 a0 fd ff ff 40 80 e5 3f eb 88 <0f> 0b e9 18 ff ff ff 4c 89 ef 44 89 e6 45 31 ed e8 ee 5f ff ff e9 RSP: 0018:ffffc9000b87f8e0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff9200170ff1d RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000060a20 RBP: 0000000000000000 R08: 00000000000a2a20 R09: 0000000000000001 R10: ffffffff8749d25d R11: 0000000000000000 R12: 000000007ffff180 R13: 0000000000060a20 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f44a77f4700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f44a77f3ff8 CR3: 0000000076a4e000 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+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:3137 [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:2041 [inline] new_sync_write+0x38a/0x560 fs/read_write.c:504 vfs_write+0x7c0/0xac0 fs/read_write.c:591 ksys_write+0x127/0x250 fs/read_write.c:644 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: 0033:0x7f44a6689109 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:00007f44a77f4168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f44a679bf60 RCX: 00007f44a6689109 RDX: 00000000fffffe61 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 00007f44a77f41d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffd684f0b9f R14: 00007f44a77f4300 R15: 0000000000022000