EXT4-fs (loop2): mounted filesystem without journal. Opts: errors=remount-ro,nodiscard,noquota,init_itable,stripe=0x0000000000000079,resgid=0x0000000000000000,sysvgroups,delalloc,usrquota,
ext4 filesystem being mounted at /root/syzkaller-testdir2013330022/syzkaller.kokATi/1/file1 supports timestamps until 2038 (0x7fffffff)
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kernel BUG at fs/ext4/ext4.h:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 425 Comm: syz-executor.2 Not tainted 5.4.274-syzkaller-00002-g6f97bd951d82 #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 37 ca 99 ff <0f> 0b e8 30 ca 99 ff 0f 0b e8 29 ca 99 ff 0f 0b e8 22 ca 99 ff 0f
RSP: 0018:ffff8881eeb97bc8 EFLAGS: 00010287
RAX: ffffffff81ca71e9 RBX: 0000000000000001 RCX: 0000000000040000
RDX: ffffc90000d44000 RSI: 000000000000075b RDI: 000000000000075c
RBP: ffff8881ed4b6000 R08: ffffffff81ca6392 R09: ffffed103b1c689a
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1103da9687e
R13: dffffc0000000000 R14: 000000001f337701 R15: ffff8881ed4b43f0
FS:  00007f61787036c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32933000 CR3: 00000001ef434000 CR4: 00000000003406a0
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: 0033:0x7f6179388ea9
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:00007f61787030c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f61794bff80 RCX: 00007f6179388ea9
RDX: 0000000000000000 RSI: 000