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kernel BUG at fs/ext4/ext4.h:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 354 Comm: syz-executor121 Not tainted 5.4.268-syzkaller-00012-gd0d34dcb02cc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xf29/0xf40 fs/ext4/mballoc.c:1117
Code: ff e8 2b c0 c9 ff e9 0a f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 31 c0 c9 ff e9 48 f3 ff ff e8 d7 eb 99 ff <0f> 0b e8 d0 eb 99 ff 0f 0b e8 c9 eb 99 ff 0f 0b e8 c2 eb 99 ff 0f
RSP: 0018:ffff8881dbf4fa48 EFLAGS: 00010293
RAX: ffffffff81ca5b49 RBX: 0000000000000001 RCX: ffff8881dbf33f00
RDX: 0000000000000000 RSI: 00000000fffa8e06 RDI: 0000000000000001
RBP: ffff8881db8f2000 R08: ffffffff81ca4cf2 R09: ffffed103d27c76c
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103b7bf87e
R13: dffffc0000000000 R14: 00000000fffa8e06 R15: ffff8881dbdfc3f0
FS:  00005555558bc380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc883d11c8 CR3: 00000001ed702000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0x603/0xb90 fs/ext4/mballoc.c:4120
 ext4_release_file+0x165/0x300 fs/ext4/file.c:98
 __fput+0x262/0x680 fs/file_table.c:281
 task_work_run+0x140/0x170 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xcaf/0x2bc0 kernel/exit.c:859
 do_group_exit+0x138/0x300 kernel/exit.c:982
 __do_sys_exit_group kernel/exit.c:993 [inline]
 __se_sys_exit_group kernel/exit.c:991 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:991
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace 545110f050164e1e ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_mb_load_buddy_gfp+0xf29/0xf40 fs/ext4/mballoc.c:1117
Code: ff e8 2b c0 c9 ff e9 0a f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 31 c0 c9 ff e9 48 f3 ff ff e8 d7 eb 99 ff <0f> 0b e8 d0 eb 99 ff 0f 0b e8 c9 eb 99 ff 0f 0b e8 c2 eb 99 ff 0f
RSP: 0018:ffff8881dbf4fa48 EFLAGS: 00010293
RAX: ffffffff81ca5b49 RBX: 0000000000000001 RCX: ffff8881dbf33f00
RDX: 0000000000000000 RSI: 00000000fffa8e06 RDI: 0000000000000001
RBP: ffff8881db8f2000 R08: ffffffff81ca4cf2 R09: ffffed103d27c76c
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103b7bf87e
R13: dffffc0000000000 R14: 00000000fffa8e06 R15: ffff8881dbdfc3f0
FS:  00005555558bc380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efc883d11c8 CR3: 00000001e464b000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400