------------[ cut here ]------------
WARNING: CPU: 0 PID: 3024 at fs/ext4/inode.c:3562 ext4_set_page_dirty+0x34d/0x480 fs/ext4/inode.c:3562
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 3024 Comm: kworker/0:2 Not tainted 5.5.0-rc2-next-20191220-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events xdp_umem_release_deferred
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:ext4_set_page_dirty+0x34d/0x480 fs/ext4/inode.c:3562
Code: ff e8 07 e8 71 ff 49 8d 5f ff e9 a3 fd ff ff e8 f9 e7 71 ff 48 c7 c6 e0 61 3c 88 4c 89 e7 e8 2a cc 9d ff 0f 0b e8 e3 e7 71 ff <0f> 0b e9 56 ff ff ff e8 d7 e7 71 ff 4c 89 ea 48 b8 00 00 00 00 00
RSP: 0018:ffffc90008317be8 EFLAGS: 00010293
RAX: ffff88809ef32200 RBX: 0000000000000000 RCX: ffffffff82036d02
RDX: 0000000000000000 RSI: ffffffff82036dad RDI: 0000000000000001
RBP: ffffc90008317c10 R08: ffff88809ef32200 R09: fffff9400044cfa1
R10: fffff9400044cfa0 R11: ffffea0002267d07 R12: ffffea0002267d00
R13: ffffea0002267d08 R14: 0000000000000000 R15: ffffea00023adc48
 set_page_dirty+0x301/0x850 mm/page-writeback.c:2572
 set_page_dirty_lock+0x99/0xe0 mm/page-writeback.c:2597
 put_user_pages_dirty_lock mm/gup.c:93 [inline]
 put_user_pages_dirty_lock+0x2a4/0x740 mm/gup.c:54
 xdp_umem_unpin_pages.isra.0+0x3d/0xb0 net/xdp/xdp_umem.c:215
 xdp_umem_release net/xdp/xdp_umem.c:250 [inline]
 xdp_umem_release_deferred+0x155/0x210 net/xdp/xdp_umem.c:263
 process_one_work+0x9af/0x1740 kernel/workqueue.c:2264
 worker_thread+0x98/0xe40 kernel/workqueue.c:2410
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..