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kernel BUG at fs/ext4/mballoc.c:4689!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5116 Comm: syz.0.0 Not tainted 6.11.0-rc6-syzkaller-00308-gb31c44928842 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ext4_mb_use_inode_pa+0x690/0x700 fs/ext4/mballoc.c:4689
Code: 80 1d b0 8e 4c 89 e6 48 89 ea e8 bb d3 8b 02 e9 be fc ff ff e8 f1 04 33 ff 90 0f 0b e8 e9 04 33 ff 90 0f 0b e8 e1 04 33 ff 90 <0f> 0b e8 d9 04 33 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000318ebe8 EFLAGS: 00010293
RAX: ffffffff826087cf RBX: 00000000ffffffed RCX: ffff88801f93c880
RDX: 0000000000000000 RSI: 0000000000000044 RDI: 0000000000000031
RBP: 0000000000000000 R08: ffffffff826084cf R09: 1ffff11008048466
R10: dffffc0000000000 R11: ffffed1008048467 R12: ffff888040242348
R13: 1ffff11008048330 R14: 0000000000000044 R15: 1ffff11008048469
FS:  00005555886c7500(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f041b6f5000 CR3: 00000000125ce000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_mb_use_preallocated+0x680/0x1420 fs/ext4/mballoc.c:4906
 ext4_mb_new_blocks+0x6ef/0x4e30 fs/ext4/mballoc.c:6210
 ext4_alloc_branch fs/ext4/indirect.c:340 [inline]
 ext4_ind_map_blocks+0x1084/0x2a10 fs/ext4/indirect.c:635
 ext4_map_blocks+0x9f6/0x1d20 fs/ext4/inode.c:654
 mpage_map_one_extent fs/ext4/inode.c:2237 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2290 [inline]
 ext4_do_writepages+0x1605/0x3d40 fs/ext4/inode.c:2753
 ext4_writepages+0x213/0x3c0 fs/ext4/inode.c:2842
 do_writepages+0x35d/0x870 mm/page-writeback.c:2683
 filemap_fdatawrite_wbc+0x125/0x180 mm/filemap.c:397
 __filemap_fdatawrite_range mm/filemap.c:430 [inline]
 __filemap_fdatawrite mm/filemap.c:436 [inline]
 filemap_flush+0xdf/0x130 mm/filemap.c:463
 ext4_release_file+0x81/0x300 fs/ext4/file.c:169
 __fput+0x24a/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:228
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f041a97cef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffb6c887c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007f041ab37a80 RCX: 00007f041a97cef9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f041ab37a80 R08: 0000000000000006 R09: 00007fffb6c88abf
R10: 0000000000dd7c2c R11: 0000000000000246 R12: 0000000000016135
R13: 00007fffb6c888d0 R14: 0000000000000032 R15: ffffffffffffffff
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_mb_use_inode_pa+0x690/0x700 fs/ext4/mballoc.c:4689
Code: 80 1d b0 8e 4c 89 e6 48 89 ea e8 bb d3 8b 02 e9 be fc ff ff e8 f1 04 33 ff 90 0f 0b e8 e9 04 33 ff 90 0f 0b e8 e1 04 33 ff 90 <0f> 0b e8 d9 04 33 ff 90 0f 0b 48 8b 0c 24 80 e1 07 80 c1 03 38 c1
RSP: 0018:ffffc9000318ebe8 EFLAGS: 00010293
RAX: ffffffff826087cf RBX: 00000000ffffffed RCX: ffff88801f93c880
RDX: 0000000000000000 RSI: 0000000000000044 RDI: 0000000000000031
RBP: 0000000000000000 R08: ffffffff826084cf R09: 1ffff11008048466
R10: dffffc0000000000 R11: ffffed1008048467 R12: ffff888040242348
R13: 1ffff11008048330 R14: 0000000000000044 R15: 1ffff11008048469
FS:  00005555886c7500(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f041b6f5000 CR3: 00000000125ce000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400