------------[ cut here ]------------ kernel BUG at fs/ext4/ext4.h:2984! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 743 Comm: syz-executor.2 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:ffff8881cdef7500 EFLAGS: 00010283 RAX: ffffffff81cb5699 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90000741000 RSI: 0000000000000036 RDI: 0000000000000037 RBP: ffff8881cdef7770 R08: ffffffff81cb4014 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: ffff8881d4e24000 R15: 0000000000148260 FS: 00007fde06cb16c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555571bc818 CR3: 00000001d1055000 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 6360285f8fd50aa4 ]--- 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:ffff8881cdef7500 EFLAGS: 00010283 RAX: ffffffff81cb5699 RBX: 0000000000000001 RCX: 0000000000040000 RDX: ffffc90000741000 RSI: 0000000000000036 RDI: 0000000000000037 RBP: ffff8881cdef7770 R08: ffffffff81cb4014 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: ffff8881d4e24000 R15: 0000000000148260 FS: 00007fde06cb16c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff589bb2ed8 CR3: 00000001d1055000 CR4: 00000000003426a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400