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kernel BUG at fs/ext4/ext4.h:3248!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 386 Comm: syz-executor.4 Not tainted 5.10.161-syzkaller-00019-g416c4356f372 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3248 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xe54/0xec0 fs/ext4/mballoc.c:1174
Code: ff e8 40 13 c8 ff e9 c8 f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 14 f4 ff ff e8 46 13 c8 ff e9 0a f4 ff ff e8 ec 10 8e ff <0f> 0b e8 e5 10 8e ff 4c 89 ef e8 5d 64 cd ff e9 34 fc ff ff e8 d3
RSP: 0018:ffffc900060ef898 EFLAGS: 00010293
RAX: ffffffff81df10c4 RBX: 0000000000000001 RCX: ffff8881067ecf00
RDX: 0000000000000000 RSI: 00000000fffff3d2 RDI: 0000000000000001
RBP: ffffc900060ef930 R08: ffffffff81df034c R09: ffffed102f10c14d
R10: ffffed102f10c14d R11: 1ffff1102f10c14c R12: 1ffff11021cb0a79
R13: ffff88810e583000 R14: 00000000fffff3d2 R15: dffffc0000000000
FS:  00005555560cb400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9a3d1e9000 CR3: 000000016091f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0x803/0xf10 fs/ext4/mballoc.c:4451
 ext4_clear_inode+0x45/0x180 fs/ext4/super.c:1407
 ext4_evict_inode+0x3d4/0x1730 fs/ext4/inode.c:342
 evict+0x2a3/0x6c0 fs/inode.c:577
 dispose_list fs/inode.c:612 [inline]
 evict_inodes+0x628/0x6b0 fs/inode.c:662
 generic_shutdown_super+0x9c/0x2d0 fs/super.c:454
 kill_block_super+0x80/0xe0 fs/super.c:1447
 deactivate_locked_super+0xb0/0x100 fs/super.c:335
 deactivate_super+0xa5/0xd0 fs/super.c:366
 cleanup_mnt+0x45f/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x147/0x1b0 kernel/task_work.c:154
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xc8/0xe0 kernel/entry/common.c:164
 exit_to_user_mode_prepare kernel/entry/common.c:191 [inline]
 syscall_exit_to_user_mode+0x77/0xa0 kernel/entry/common.c:266
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fe7905995d7
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff5ca4c878 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe7905995d7
RDX: 00007fff5ca4c949 RSI: 000000000000000a RDI: 00007fff5ca4c940
RBP: 00007fff5ca4c940 R08: 00000000ffffffff R09: 00007fff5ca4c710
R10: 00005555560cc7e3 R11: 0000000000000246 R12: 00007fe7905f2cdc
R13: 00007fff5ca4da00 R14: 00005555560cc6f0 R15: 00007fff5ca4da40
Modules linked in:
---[ end trace 65c90ae9544f81f2 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3248 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xe54/0xec0 fs/ext4/mballoc.c:1174
Code: ff e8 40 13 c8 ff e9 c8 f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 14 f4 ff ff e8 46 13 c8 ff e9 0a f4 ff ff e8 ec 10 8e ff <0f> 0b e8 e5 10 8e ff 4c 89 ef e8 5d 64 cd ff e9 34 fc ff ff e8 d3
RSP: 0018:ffffc900060ef898 EFLAGS: 00010293
RAX: ffffffff81df10c4 RBX: 0000000000000001 RCX: ffff8881067ecf00
RDX: 0000000000000000 RSI: 00000000fffff3d2 RDI: 0000000000000001
RBP: ffffc900060ef930 R08: ffffffff81df034c R09: ffffed102f10c14d
R10: ffffed102f10c14d R11: 1ffff1102f10c14c R12: 1ffff11021cb0a79
R13: ffff88810e583000 R14: 00000000fffff3d2 R15: dffffc0000000000
FS:  00005555560cb400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001280 CR3: 000000016091f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400