bcachefs: bch2_fs_get_tree() error: EPERM
Filesystem bcachefs get_tree() didn't set fc->root, returned 1
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kernel BUG at fs/super.c:1810!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 5324 Comm: syz.2.3 Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:vfs_get_tree+0x29f/0x2b0 fs/super.c:1810
Code: 1e 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 f4 c8 ec ff 48 8b 33 48 c7 c7 00 c0 18 8c 44 89 e2 e8 52 ed aa 09 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90
RSP: 0018:ffffc900041a7d08 EFLAGS: 00010246
RAX: 000000000000003e RBX: ffffffff8ef58880 RCX: 0d57dc0acd061b00
RDX: ffffc90009d41000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff1100647c516 R08: ffffffff81746afc R09: 1ffff92000834f3c
R10: dffffc0000000000 R11: fffff52000834f3d R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8880323e2898 R15: ffff8880323e28b0
FS:  00007fc25d51e6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1107b37a8c CR3: 0000000030500000 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:3507
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4055 [inline]
 __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032
 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: 0033:0x7fc25c77f79a
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:00007fc25d51de68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc25d51def0 RCX: 00007fc25c77f79a
RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007fc25d51deb0
RBP: 0000000020005d80 R08: 00007fc25d51def0 R09: 0000000000000044
R10: 0000000000000044 R11: 0000000000000246 R12: 0000000020000240
R13: 00007fc25d51deb0 R14: 0000000000005dee R15: 0000000020000540
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:vfs_get_tree+0x29f/0x2b0 fs/super.c:1810
Code: 1e 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 f4 c8 ec ff 48 8b 33 48 c7 c7 00 c0 18 8c 44 89 e2 e8 52 ed aa 09 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90
RSP: 0018:ffffc900041a7d08 EFLAGS: 00010246
RAX: 000000000000003e RBX: ffffffff8ef58880 RCX: 0d57dc0acd061b00
RDX: ffffc90009d41000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 1ffff1100647c516 R08: ffffffff81746afc R09: 1ffff92000834f3c
R10: dffffc0000000000 R11: fffff52000834f3d R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8880323e2898 R15: ffff8880323e28b0
FS:  00007fc25d51e6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff6e3dcaf4 CR3: 0000000030500000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400