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kernel BUG at fs/ext4/ext4.h:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 441 Comm: syz-executor.4 Not tainted 5.4.274-syzkaller-00016-gdd432c37afcd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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 ab af c9 ff e9 0a f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 b1 af c9 ff e9 48 f3 ff ff e8 57 ca 99 ff <0f> 0b e8 50 ca 99 ff 0f 0b e8 49 ca 99 ff 0f 0b e8 42 ca 99 ff 0f
RSP: 0018:ffff8881ecaafbc8 EFLAGS: 00010287
RAX: ffffffff81ca71c9 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90000540000 RSI: 00000000000006d6 RDI: 00000000000006d7
RBP: ffff8881eca5e000 R08: ffffffff81ca6372 R09: ffffed103b2a8e31
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103d94b87e
R13: dffffc0000000000 R14: 000000001f337701 R15: ffff8881eca5c3f0
FS:  00007f0f273126c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33032000 CR3: 00000001ecda3000 CR4: 00000000003426a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_discard_preallocations+0x603/0xb90 fs/ext4/mballoc.c:4128
 ext4_punch_hole+0x5f0/0xad0 fs/ext4/inode.c:4482
 ext4_fallocate+0x265/0x570 fs/ext4/extents.c:4946
 vfs_fallocate+0x551/0x6b0 fs/open.c:309
 ksys_fallocate fs/open.c:332 [inline]
 __do_sys_fallocate fs/open.c:340 [inline]
 __se_sys_fallocate fs/open.c:338 [inline]
 __x64_sys_fallocate+0xb9/0x100 fs/open.c:338
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7f0f27f97f69
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:00007f0f273120c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f0f280cef80 RCX: 00007f0f27f97f69
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
RBP: 00007f0f27ff56fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001a00 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0f280cef80 R15: 00007ffc72829888
Modules linked in:
---[ end trace 244e4552f56a0181 ]---
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 ab af c9 ff e9 0a f3 ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 52 f3 ff ff e8 b1 af c9 ff e9 48 f3 ff ff e8 57 ca 99 ff <0f> 0b e8 50 ca 99 ff 0f 0b e8 49 ca 99 ff 0f 0b e8 42 ca 99 ff 0f
RSP: 0018:ffff8881ecaafbc8 EFLAGS: 00010287
RAX: ffffffff81ca71c9 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90000540000 RSI: 00000000000006d6 RDI: 00000000000006d7
RBP: ffff8881eca5e000 R08: ffffffff81ca6372 R09: ffffed103b2a8e31
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103d94b87e
R13: dffffc0000000000 R14: 000000001f337701 R15: ffff8881eca5c3f0
FS:  00007f0f273126c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0f280d0988 CR3: 00000001ecda3000 CR4: 00000000003426b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400