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kernel BUG at fs/ext4/ext4.h:3247!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4313 Comm: syz-executor.3 Not tainted 5.10.178-syzkaller-00127-g43c801dc3325 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xf5d/0x1020 fs/ext4/mballoc.c:1174
Code: ff e8 77 3b c8 ff e9 f0 f2 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 7d 3b c8 ff e9 48 f3 ff ff e8 73 2d 8b ff <0f> 0b e9 62 00 00 00 e8 67 2d 8b ff e9 ef fb ff ff e9 65 00 00 00
RSP: 0018:ffffc90001167bf0 EFLAGS: 00010293
RAX: ffffffff81df45ad RBX: 00000000ffff821c RCX: ffff88810e8abb40
RDX: 0000000000000000 RSI: 00000000ffff821c RDI: 0000000000000001
RBP: ffffc90001167c70 R08: ffffffff81df373c R09: ffffed102c5807f2
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88815b9ae000 R14: 1ffff1102b735279 R15: ffff88815b9a93c8
FS:  0000555555ea7400(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33927000 CR3: 000000010e260000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0x79c/0xef0 fs/ext4/mballoc.c:4451
 ext4_release_file+0x16e/0x310 fs/ext4/file.c:152
 __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+0xbc/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: 0033:0x7f8364fd501b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007fffffc6f750 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f8364fd501b
RDX: 0000000000000000 RSI: 0000001b33924c9c RDI: 0000000000000005
RBP: 00007f8365144980 R08: 0000000000000000 R09: 0000000048edce65
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000221439
R13: 00007fffffc6f850 R14: 00007f8365143050 R15: 0000000000000032
Modules linked in:
---[ end trace a4851abf32b9fa45 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:3247 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xf5d/0x1020 fs/ext4/mballoc.c:1174
Code: ff e8 77 3b c8 ff e9 f0 f2 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 7d 3b c8 ff e9 48 f3 ff ff e8 73 2d 8b ff <0f> 0b e9 62 00 00 00 e8 67 2d 8b ff e9 ef fb ff ff e9 65 00 00 00
RSP: 0018:ffffc90001167bf0 EFLAGS: 00010293
RAX: ffffffff81df45ad RBX: 00000000ffff821c RCX: ffff88810e8abb40
RDX: 0000000000000000 RSI: 00000000ffff821c RDI: 0000000000000001
RBP: ffffc90001167c70 R08: ffffffff81df373c R09: ffffed102c5807f2
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff88815b9ae000 R14: 1ffff1102b735279 R15: ffff88815b9a93c8
FS:  0000555555ea7400(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555e6d768 CR3: 000000010e260000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400