syzbot

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kernel BUG at fs/ext4/ext4.h:2984!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 355 Comm: syz-executor399 Not tainted 5.4.268-syzkaller-00003-g2d5d8240a7cb #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_trim_fs+0x1e69/0x1e80 fs/ext4/mballoc.c:5371
Code: 80 e1 07 80 c1 03 38 c1 0f 8c 40 e7 ff ff 48 8d bc 24 f0 01 00 00 e8 76 c4 c8 ff e9 2e e7 ff ff e8 bc a8 6f ff e8 87 f0 98 ff <0f> 0b e8 80 f0 98 ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
RSP: 0018:ffff8881dc7e7500 EFLAGS: 00010293
RAX: ffffffff81cb5699 RBX: 0000000000000001 RCX: ffff8881dc431f80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000050186
RBP: ffff8881dc7e7770 R08: ffffffff81cb4014 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8881dc15e000 R15: 0000000000050186
FS:  0000555555fa8380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002010007f CR3: 00000001dc61c000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ext4_ioctl+0x2168/0x3ff0 fs/ext4/ioctl.c:1128
 do_vfs_ioctl+0x742/0x1720 fs/ioctl.c:47
 ksys_ioctl fs/ioctl.c:742 [inline]
 __do_sys_ioctl fs/ioctl.c:749 [inline]
 __se_sys_ioctl fs/ioctl.c:747 [inline]
 __x64_sys_ioctl+0xd4/0x110 fs/ioctl.c:747
 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace 4763ee4d1b672c26 ]---
RIP: 0010:ext4_get_group_info fs/ext4/ext4.h:2984 [inline]
RIP: 0010:ext4_trim_fs+0x1e69/0x1e80 fs/ext4/mballoc.c:5371
Code: 80 e1 07 80 c1 03 38 c1 0f 8c 40 e7 ff ff 48 8d bc 24 f0 01 00 00 e8 76 c4 c8 ff e9 2e e7 ff ff e8 bc a8 6f ff e8 87 f0 98 ff <0f> 0b e8 80 f0 98 ff 0f 0b 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
RSP: 0018:ffff8881dc7e7500 EFLAGS: 00010293
RAX: ffffffff81cb5699 RBX: 0000000000000001 RCX: ffff8881dc431f80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000050186
RBP: ffff8881dc7e7770 R08: ffffffff81cb4014 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8881dc15e000 R15: 0000000000050186
FS:  0000555555fa8380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002010007f CR3: 00000001dc61c000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400