WARNING: CPU: 1 PID: 27615 at mm/page_alloc.c:5402 __alloc_pages+0x39e/0x510 mm/page_alloc.c:5402 Modules linked in: CPU: 1 PID: 27615 Comm: syz-executor.1 Not tainted 5.19.0-rc2-syzkaller-00097-g48a23ec6ff2b #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 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 53 1a ea 0b 00 75 09 c6 05 4a 1a ea 0b 01 <0f> 0b 45 31 f6 e9 8d fe ff ff 65 ff 05 11 e3 45 7e 48 c7 c0 40 32 RSP: 0018:ffffc900278476d8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 1ffff92004f08edc 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: 0000000000000000(0000) GS:ffff88802c900000(0063) knlGS:00000000f7f0fb40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002c728000 CR3: 0000000070fc9000 CR4: 0000000000150ee0 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: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_compat_sys_io_submit fs/aio.c:2123 [inline] __se_compat_sys_io_submit fs/aio.c:2093 [inline] __ia32_compat_sys_io_submit+0x197/0x390 fs/aio.c:2093 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x53/0x62 RIP: 0023:0xf7f14549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f0f5cc EFLAGS: 00000296 ORIG_RAX: 00000000000000f8 RAX: ffffffffffffffda RBX: 00000000f5d7b000 RCX: 0000000000000001 RDX: 0000000020001a40 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi