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kernel BUG at fs/ext4/inode.c:2766!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 30209 Comm: syz-executor.2 Tainted: G        W         5.10.208-syzkaller-00133-g1a7db4583e18 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2765
Code: 8e 8c ff 31 ff 89 de e8 cf 8e 8c ff 45 84 f6 75 27 e8 35 8c 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 21 8c 8c ff <0f> 0b e8 1a 8c 8c ff e8 31 65 22 ff eb 9b e8 0e 8c 8c ff e8 25 65
RSP: 0018:ffffc90004957740 EFLAGS: 00010283
RAX: ffffffff81de1a1f RBX: 0000008000000000 RCX: 0000000000040000
RDX: ffffc90003821000 RSI: 000000000000036d RDI: 000000000000036e
RBP: ffffc90004957b30 R08: ffffffff81dde493 R09: ffffed102a8d7536
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90004957ca0 R14: 000000d410000000 R15: ffffc90004957a00
FS:  00007f3c090f66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000014cb14000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12e/0x270 mm/page-writeback.c:2358
 __filemap_fdatawrite_range+0x33c/0x3f0 mm/filemap.c:427
 __filemap_fdatawrite mm/filemap.c:435 [inline]
 filemap_flush+0x23/0x30 mm/filemap.c:462
 ext4_alloc_da_blocks+0x77/0x1a0 fs/ext4/inode.c:3238
 ext4_release_file+0x84/0x310 fs/ext4/file.c:144
 __fput+0x309/0x760 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xc5/0x1d0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f3c0a395da9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3c090f60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
RAX: 0000000000000004 RBX: 00007f3c0a4c4050 RCX: 00007f3c0a395da9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000006
RBP: 00007f3c0a3e247a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f3c0a4c4050 R15: 00007ffc7c47d0d8
Modules linked in:
---[ end trace 133df69d8d1817f1 ]---
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2765
Code: 8e 8c ff 31 ff 89 de e8 cf 8e 8c ff 45 84 f6 75 27 e8 35 8c 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 21 8c 8c ff <0f> 0b e8 1a 8c 8c ff e8 31 65 22 ff eb 9b e8 0e 8c 8c ff e8 25 65
RSP: 0018:ffffc90004957740 EFLAGS: 00010283
RAX: ffffffff81de1a1f RBX: 0000008000000000 RCX: 0000000000040000
RDX: ffffc90003821000 RSI: 000000000000036d RDI: 000000000000036e
RBP: ffffc90004957b30 R08: ffffffff81dde493 R09: ffffed102a8d7536
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90004957ca0 R14: 000000d410000000 R15: ffffc90004957a00
FS:  00007f3c090f66c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000014cb14000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400