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WARNING: CPU: 1 PID: 10838 at fs/ext4/inode.c:3600 ext4_set_page_dirty+0x2ea/0x3d0 fs/ext4/inode.c:3600
Modules linked in:
CPU: 1 PID: 10838 Comm: syz-executor.5 Not tainted 5.9.0-rc5-next-20200918-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_set_page_dirty+0x2ea/0x3d0 fs/ext4/inode.c:3600
Code: ff e8 9a 38 6f ff 49 8d 5e ff e9 e3 fd ff ff e8 8c 38 6f ff 48 c7 c6 c0 17 9e 88 48 89 ef e8 cd cc 9e ff 0f 0b e8 76 38 6f ff <0f> 0b e9 75 ff ff ff e8 6a 38 6f ff 4c 8b 65 08 31 ff 4c 89 e3 83
RSP: 0018:ffffc9002dbf7ba0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8205dfb2
RDX: ffff888093132000 RSI: ffffffff8205e03a RDI: 0000000000000001
RBP: ffffea0001e4f0c0 R08: 0000000000000000 R09: ffffea0001e4f0c7
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea0001e4f0c8
R13: 0000000000000000 R14: ffff8880a9558820 R15: ffff8880a9558820
FS:  00007f6cc658c700(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f27ab3b6000 CR3: 00000000604cf000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 set_page_dirty+0x296/0x6c0 mm/page-writeback.c:2580
 set_page_dirty_lock+0x92/0xd0 mm/page-writeback.c:2605
 unpin_user_pages_dirty_lock mm/gup.c:312 [inline]
 unpin_user_pages_dirty_lock+0x1c8/0x310 mm/gup.c:273
 xdp_umem_unpin_pages net/xdp/xdp_umem.c:28 [inline]
 xdp_umem_pin_pages net/xdp/xdp_umem.c:111 [inline]
 xdp_umem_reg net/xdp/xdp_umem.c:207 [inline]
 xdp_umem_create+0xb5d/0x10e0 net/xdp/xdp_umem.c:240
 xsk_setsockopt+0x73e/0x9e0 net/xdp/xsk.c:851
 __sys_setsockopt+0x2db/0x610 net/socket.c:2132
 __do_sys_setsockopt net/socket.c:2143 [inline]
 __se_sys_setsockopt net/socket.c:2140 [inline]
 __x64_sys_setsockopt+0xba/0x150 net/socket.c:2140
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d5f9
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f6cc658bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000002ebc0 RCX: 000000000045d5f9
RDX: 0000000000000004 RSI: 000000000000011b RDI: 0000000000000007
RBP: 000000000118d0d0 R08: 0000000000000020 R09: 0000000000000000
R10: 00000000200000c0 R11: 0000000000000246 R12: 000000000118d08c
R13: 00007ffd29d8617f R14: 00007f6cc658c9c0 R15: 000000000118d08c