bridge0: port 2(bridge_slave_1) entered disabled state IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state ------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2763! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 1817 Comm: kworker/u4:21 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: writeback wb_workfn (flush-7:4) RIP: 0010:ext4_writepages+0x3085/0x30a0 fs/ext4/inode.c:2762 Code: ae 84 ff 84 db 75 31 e8 99 ab 84 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 20 48 8b 5c 24 30 e9 41 d3 ff ff e8 7b ab 84 ff <0f> 0b e8 74 ab 84 ff e8 fb c3 13 ff eb 98 e8 68 ab 84 ff e8 ef c3 RSP: 0018:ffffc90000e47120 EFLAGS: 00010293 RAX: ffffffff81ecb8b5 RBX: 0000008410000000 RCX: ffff88812eb85100 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc90000e47490 R08: ffff88813a570057 R09: 1ffff110274ae00a R10: dffffc0000000000 R11: ffffed10274ae00b R12: 0000000000000001 R13: dffffc0000000000 R14: 0000008000000000 R15: ffff88812136a000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000080 CR3: 000000017070d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_writepages+0x3ab/0x600 mm/page-writeback.c:2494 __writeback_single_inode+0xd9/0xb10 fs/fs-writeback.c:1622 writeback_sb_inodes+0x9fd/0x1610 fs/fs-writeback.c:1913 wb_writeback+0x3eb/0x990 fs/fs-writeback.c:2089 wb_do_writeback fs/fs-writeback.c:2236 [inline] wb_workfn+0x378/0xeb0 fs/fs-writeback.c:2276 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_writepages+0x3085/0x30a0 fs/ext4/inode.c:2762 Code: ae 84 ff 84 db 75 31 e8 99 ab 84 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 20 48 8b 5c 24 30 e9 41 d3 ff ff e8 7b ab 84 ff <0f> 0b e8 74 ab 84 ff e8 fb c3 13 ff eb 98 e8 68 ab 84 ff e8 ef c3 RSP: 0018:ffffc90000e47120 EFLAGS: 00010293 RAX: ffffffff81ecb8b5 RBX: 0000008410000000 RCX: ffff88812eb85100 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc90000e47490 R08: ffff88813a570057 R09: 1ffff110274ae00a R10: dffffc0000000000 R11: ffffed10274ae00b R12: 0000000000000001 R13: dffffc0000000000 R14: 0000008000000000 R15: ffff88812136a000 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000080 CR3: 000000014188c000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400