------------[ cut here ]------------ kernel BUG at fs/ext4/ext4.h:3329! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3652 Comm: syz-executor105 Not tainted 6.1.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:ext4_get_group_info+0x34d/0x350 fs/ext4/ext4.h:3329 Code: 51 ff 8b 74 24 04 48 c7 c7 80 a2 2b 8d 4c 89 f2 e8 78 70 30 02 43 80 3c 2c 00 0f 85 6d fd ff ff e9 70 fd ff ff e8 93 10 51 ff <0f> 0b 90 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 00 00 00 fc RSP: 0018:ffffc90003ddf268 EFLAGS: 00010293 RAX: ffffffff8239875d RBX: 0000000000000001 RCX: ffff8880229e57c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff82398478 R09: ffffc90003ddf7a0 R10: fffffbfff1cebe0e R11: 1ffffffff1cebe0d R12: 1ffff1100f4f9ccf R13: dffffc0000000000 R14: ffff888021ef8000 R15: ffff88807a7ce678 FS: 0000555555cfa300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdd1d81f538 CR3: 0000000076607000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_mb_load_buddy_gfp+0xc5/0x1900 fs/ext4/mballoc.c:1448 ext4_mb_load_buddy fs/ext4/mballoc.c:1570 [inline] ext4_mballoc_query_range+0xb0/0x800 fs/ext4/mballoc.c:6579 ext4_getfsmap_datadev+0x1bb0/0x2580 fs/ext4/fsmap.c:537 ext4_getfsmap+0xd22/0x1070 fs/ext4/fsmap.c:708 ext4_ioc_getfsmap fs/ext4/ioctl.c:901 [inline] __ext4_ioctl fs/ext4/ioctl.c:1222 [inline] ext4_ioctl+0x3ad0/0x5430 fs/ext4/ioctl.c:1606 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fdd1d7dc3e9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb2992548 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007fdd1d7dc3e9 RDX: 0000000020000200 RSI: 00000000c0c0583b RDI: 0000000000000004 RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d R10: 00000000000003f1 R11: 0000000000000246 R12: 00007fdd1d79b5c0 R13: 00007ffdb2992570 R14: 00007ffdb299255c R15: 00007ffdb2992560 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_get_group_info+0x34d/0x350 fs/ext4/ext4.h:3329 Code: 51 ff 8b 74 24 04 48 c7 c7 80 a2 2b 8d 4c 89 f2 e8 78 70 30 02 43 80 3c 2c 00 0f 85 6d fd ff ff e9 70 fd ff ff e8 93 10 51 ff <0f> 0b 90 55 41 57 41 56 41 54 53 48 89 fb 49 bf 00 00 00 00 00 fc RSP: 0018:ffffc90003ddf268 EFLAGS: 00010293 RAX: ffffffff8239875d RBX: 0000000000000001 RCX: ffff8880229e57c0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff82398478 R09: ffffc90003ddf7a0 R10: fffffbfff1cebe0e R11: 1ffffffff1cebe0d R12: 1ffff1100f4f9ccf R13: dffffc0000000000 R14: ffff888021ef8000 R15: ffff88807a7ce678 FS: 0000555555cfa300(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdd1d83472c CR3: 0000000076607000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400