------------[ cut here ]------------ kernel BUG at fs/ext4/super.c:7052! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 6926 Comm: syz-executor.3 Not tainted 6.7.0-rc4-syzkaller-00009-gbee0e7762ad2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:ext4_quota_enable fs/ext4/super.c:7052 [inline] RIP: 0010:ext4_enable_quotas+0xb7b/0xb90 fs/ext4/super.c:7099 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3a f7 ff ff 49 89 d6 48 89 df e8 63 18 98 ff 4c 89 f2 e9 27 f7 ff ff e8 96 10 3c ff 90 <0f> 0b e8 8e 10 3c ff 90 0f 0b e8 c6 dc c4 08 66 0f 1f 44 00 00 f3 RSP: 0018:ffffc900051e7820 EFLAGS: 00010293 RAX: ffffffff825269aa RBX: 0000000000000000 RCX: ffff8880778d1dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900051e79f0 R08: ffffffff825262a4 R09: 1ffff1100c9d81d7 R10: dffffc0000000000 R11: ffffed100c9d81d8 R12: 0000000000000001 R13: 0000000000000001 R14: ffff88802697e464 R15: dffffc0000000000 FS: 00007f06cc0f96c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f48fd176bf8 CR3: 00000000147ce000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_fill_super fs/ext4/super.c:5577 [inline] ext4_fill_super+0x6271/0x6d90 fs/ext4/super.c:5712 get_tree_bdev+0x416/0x5b0 fs/super.c:1598 vfs_get_tree+0x8c/0x2a0 fs/super.c:1771 do_new_mount+0x28f/0xae0 fs/namespace.c:3337 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f06cb47e1ea 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:00007f06cc0f8ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f06cc0f8f80 RCX: 00007f06cb47e1ea RDX: 00000000200005c0 RSI: 0000000020000000 RDI: 00007f06cc0f8f40 RBP: 00000000200005c0 R08: 00007f06cc0f8f80 R09: 0000000000200810 R10: 0000000000200810 R11: 0000000000000246 R12: 0000000020000000 R13: 00007f06cc0f8f40 R14: 00000000000004da R15: 0000000020001400 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_quota_enable fs/ext4/super.c:7052 [inline] RIP: 0010:ext4_enable_quotas+0xb7b/0xb90 fs/ext4/super.c:7099 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 3a f7 ff ff 49 89 d6 48 89 df e8 63 18 98 ff 4c 89 f2 e9 27 f7 ff ff e8 96 10 3c ff 90 <0f> 0b e8 8e 10 3c ff 90 0f 0b e8 c6 dc c4 08 66 0f 1f 44 00 00 f3 RSP: 0018:ffffc900051e7820 EFLAGS: 00010293 RAX: ffffffff825269aa RBX: 0000000000000000 RCX: ffff8880778d1dc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900051e79f0 R08: ffffffff825262a4 R09: 1ffff1100c9d81d7 R10: dffffc0000000000 R11: ffffed100c9d81d8 R12: 0000000000000001 R13: 0000000000000001 R14: ffff88802697e464 R15: dffffc0000000000 FS: 00007f06cc0f96c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556b76788 CR3: 00000000147ce000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400