loop1: detected capacity change from 0 to 512 ------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:6918! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 493 Comm: syz-executor326 Not tainted 6.1.25-syzkaller-00052-gc2611a04b92f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:ext4_quota_enable fs/ext4/super.c:6918 [inline] RIP: 0010:ext4_enable_quotas+0x96a/0x980 fs/ext4/super.c:6965 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4f f9 ff ff 49 89 d7 48 89 df e8 93 a8 bb ff 4c 89 fa e9 3c f9 ff ff e8 06 59 75 ff <0f> 0b e8 ff 58 75 ff 0f 0b e8 b8 78 f4 02 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc900014377c0 EFLAGS: 00010293 RAX: ffffffff81ff958a RBX: 0000000000000000 RCX: ffff888115729440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90001437930 R08: ffffffff81ff9087 R09: ffffed102170dc83 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88812317f464 FS: 00007efd4eb8c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc3690dff8 CR3: 0000000113b49000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_fill_super fs/ext4/super.c:5501 [inline] ext4_fill_super+0x7b1f/0x8450 fs/ext4/super.c:5644 get_tree_bdev+0x440/0x680 fs/super.c:1348 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5674 vfs_get_tree+0x88/0x290 fs/super.c:1555 do_new_mount+0x28b/0xac0 fs/namespace.c:3040 path_mount+0x671/0x1070 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3568 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3568 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: 0033:0x7efd4ebd95aa Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 6e 07 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007efd4eb8bf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efd4ebd95aa RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007efd4eb8bfe0 RBP: 00000000200005c0 R08: 00007efd4eb8c020 R09: 00000000000004d4 R10: 0000000000200810 R11: 0000000000000202 R12: 00007efd4eb8bfe0 R13: 0000000020000000 R14: 00000000000004da R15: 00007efd4eb8c020 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:6918 [inline] RIP: 0010:ext4_enable_quotas+0x96a/0x980 fs/ext4/super.c:6965 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4f f9 ff ff 49 89 d7 48 89 df e8 93 a8 bb ff 4c 89 fa e9 3c f9 ff ff e8 06 59 75 ff <0f> 0b e8 ff 58 75 ff 0f 0b e8 b8 78 f4 02 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc900014377c0 EFLAGS: 00010293 RAX: ffffffff81ff958a RBX: 0000000000000000 RCX: ffff888115729440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90001437930 R08: ffffffff81ff9087 R09: ffffed102170dc83 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88812317f464 FS: 00007efd4eb8c6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efd4ec24194 CR3: 0000000113b49000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400