bcachefs: bch2_fs_get_tree() error: EPERM
Filesystem bcachefs get_tree() didn't set fc->root
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kernel BUG at fs/super.c:1810!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 6376 Comm: syz.0.15 Not tainted 6.11.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:vfs_get_tree+0x29c/0x2a0 fs/super.c:1810
Code: ff 49 8b 1f 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 54 2b f0 ff 48 8b 33 48 c7 c7 c0 88 b6 88 e8 75 e8 5c 06 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90002d7fd08 EFLAGS: 00010246
RAX: 0000000000000032 RBX: ffffffff8a9089e0 RCX: c57cd8213b2e6a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1102176bd96 R08: ffffffff816ae33c R09: 1ffff1103eac5162
R10: dffffc0000000000 R11: ffffed103eac5163 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff88810bb5ecb0 R15: ffff88810bb5ec98
FS:  00007f355fbeb6c0(0000) GS:ffff8881f5600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561301517950 CR3: 000000017275c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_new_mount+0x2be/0xb40 fs/namespace.c:3472
 do_mount fs/namespace.c:3812 [inline]
 __do_sys_mount fs/namespace.c:4020 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:3997
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f355ed7feba
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f355fbeae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f355fbeaef0 RCX: 00007f355ed7feba
RDX: 00000000200058c0 RSI: 0000000020000000 RDI: 00007f355fbeaeb0
RBP: 00000000200058c0 R08: 00007f355fbeaef0 R09: 0000000000010000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000020000000
R13: 00007f355fbeaeb0 R14: 000000000000591d R15: 0000000020000340
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vfs_get_tree+0x29c/0x2a0 fs/super.c:1810
Code: ff 49 8b 1f 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 54 2b f0 ff 48 8b 33 48 c7 c7 c0 88 b6 88 e8 75 e8 5c 06 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc90002d7fd08 EFLAGS: 00010246
RAX: 0000000000000032 RBX: ffffffff8a9089e0 RCX: c57cd8213b2e6a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 1ffff1102176bd96 R08: ffffffff816ae33c R09: 1ffff1103eac5162
R10: dffffc0000000000 R11: ffffed103eac5163 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff88810bb5ecb0 R15: ffff88810bb5ec98
FS:  00007f355fbeb6c0(0000) GS:ffff8881f5600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561301517950 CR3: 000000017275c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400