loop3: detected capacity change from 0 to 512 ------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:6368! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 847 Comm: syz-executor.3 Not tainted 5.15.173-syzkaller-1077948-gb4bd207b0380 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:ext4_quota_enable fs/ext4/super.c:6368 [inline] RIP: 0010:ext4_enable_quotas+0x96a/0x980 fs/ext4/super.c:6415 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 73 35 bd ff 4c 89 fa e9 3c f9 ff ff e8 56 dd 7a ff <0f> 0b e8 4f dd 7a ff 0f 0b e8 18 ee eb 02 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc900021f77a0 EFLAGS: 00010293 RAX: ffffffff81f5895a RBX: 0000000000000000 RCX: ffff88811b0abb40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900021f7910 R08: ffffffff81f58457 R09: ffffed1024abb115 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88811fe84464 FS: 00007fc14d1816c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5864af4f28 CR3: 00000001197b0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_fill_super+0x8b95/0x96e0 fs/ext4/super.c:4951 mount_bdev+0x282/0x3b0 fs/super.c:1400 ext4_mount+0x34/0x40 fs/ext4/super.c:6594 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611 vfs_get_tree+0x88/0x290 fs/super.c:1530 do_new_mount+0x2ba/0xb30 fs/namespace.c:3012 path_mount+0x671/0x1070 fs/namespace.c:3342 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3540 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3540 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fc14d6001ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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:00007fc14d180ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc14d180f80 RCX: 00007fc14d6001ea RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007fc14d180f40 RBP: 00000000200005c0 R08: 00007fc14d180f80 R09: 0000000000200810 R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 R13: 00007fc14d180f40 R14: 00000000000004da R15: 0000000020001400 Modules linked in: ---[ end trace 0d7ec94d8844b04a ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:6368 [inline] RIP: 0010:ext4_enable_quotas+0x96a/0x980 fs/ext4/super.c:6415 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 73 35 bd ff 4c 89 fa e9 3c f9 ff ff e8 56 dd 7a ff <0f> 0b e8 4f dd 7a ff 0f 0b e8 18 ee eb 02 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc900021f77a0 EFLAGS: 00010293 RAX: ffffffff81f5895a RBX: 0000000000000000 RCX: ffff88811b0abb40 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900021f7910 R08: ffffffff81f58457 R09: ffffed1024abb115 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000000000004 R14: dffffc0000000000 R15: ffff88811fe84464 FS: 00007fc14d1816c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000000 CR3: 00000001197b0000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400