------------[ cut here ]------------ WARNING: CPU: 0 PID: 9932 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: 9932 Comm: kworker/0:1 Not tainted 5.5.0-rc2-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 77 48 72 ff 49 8d 5f ff e9 a3 fd ff ff e8 69 48 72 ff 48 c7 c6 60 59 3c 88 4c 89 e7 e8 aa fe 9d ff 0f 0b e8 53 48 72 ff <0f> 0b e9 56 ff ff ff e8 47 48 72 ff 4c 89 ea 48 b8 00 00 00 00 00 RSP: 0018:ffffc90002047be8 EFLAGS: 00010293 RAX: ffff888090eac440 RBX: 0000000000000000 RCX: ffffffff8202e4f2 RDX: 0000000000000000 RSI: ffffffff8202e59d RDI: 0000000000000001 RBP: ffffc90002047c10 R08: ffff888090eac440 R09: fffff9400044d621 R10: fffff9400044d620 R11: ffffea000226b107 R12: ffffea000226b100 R13: ffffea000226b108 R14: 0000000000000000 R15: ffffea000226b048 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..