CFI failure at __traceiter_percpu_alloc_percpu+0xb3/0x110 include/trace/events/percpu.h:11 (target: 0xffffc90000f07930; expected type: 0x42e72b63)
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 18857 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__traceiter_percpu_alloc_percpu+0xb3/0x110 include/trace/events/percpu.h:11
Code: d4 44 89 e9 4c 8b 45 c0 4c 8b 4d b8 8b 45 30 50 ff 75 28 ff 75 20 8b 45 18 50 ff 75 10 41 ba 9d d4 18 bd 45 03 54 24 fc 74 02 <0f> 0b 41 ff d4 48 83 c4 28 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80
RSP: 0018:ffffc90000f07930 EFLAGS: 00010a17
RAX: 0000000000023120 RBX: ffff888116283b90 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81a4c174 RDI: ffffc900014a9000
RBP: ffffc90000f079a0 R08: 0000000000000008 R09: 0000000000000004
R10: 0000000062593ba9 R11: 1ffffffff0ee4e9d R12: ffffffff81713fc0
R13: 0000000000000000 R14: ffff888116283b90 R15: dffffc0000000000
FS:  0000555578330500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa232def358 CR3: 0000000149f2e000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 trace_percpu_alloc_percpu include/trace/events/percpu.h:11 [inline]
 pcpu_alloc+0x1548/0x1690 mm/percpu.c:1887
 __alloc_percpu+0x24/0x30 mm/percpu.c:1950
 alloc_vfsmnt+0x106/0x4a0 fs/namespace.c:214
 clone_mnt+0x6d/0xd10 fs/namespace.c:1100
 copy_tree+0xe5/0x7e0 fs/namespace.c:1884
 __do_loopback+0x1da/0x3b0 fs/namespace.c:2426
 do_loopback+0x381/0x500 fs/namespace.c:2466
 path_mount+0x574/0x1010 fs/namespace.c:3393
 do_mount fs/namespace.c:3412 [inline]
 __do_sys_mount fs/namespace.c:3620 [inline]
 __se_sys_mount+0x318/0x380 fs/namespace.c:3597
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3597
 x64_sys_call+0x65d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa232d90eea
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:00007ffe894e8988 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa232e143a5 RCX: 00007fa232d90eea
RDX: 0000000000000000 RSI: 00007fa232def3d8 RDI: 00007fa232e145a8
RBP: 00007fa232def420 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000045000 R11: 0000000000000246 R12: 00007fa232def400
R13: 00007fa232def3d8 R14: 00007ffe894e8c88 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__traceiter_percpu_alloc_percpu+0xb3/0x110 include/trace/events/percpu.h:11
Code: d4 44 89 e9 4c 8b 45 c0 4c 8b 4d b8 8b 45 30 50 ff 75 28 ff 75 20 8b 45 18 50 ff 75 10 41 ba 9d d4 18 bd 45 03 54 24 fc 74 02 <0f> 0b 41 ff d4 48 83 c4 28 48 83 c3 18 48 89 d8 48 c1 e8 03 42 80
RSP: 0018:ffffc90000f07930 EFLAGS: 00010a17

RAX: 0000000000023120 RBX: ffff888116283b90 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81a4c174 RDI: ffffc900014a9000
RBP: ffffc90000f079a0 R08: 0000000000000008 R09: 0000000000000004
R10: 0000000062593ba9 R11: 1ffffffff0ee4e9d R12: ffffffff81713fc0
R13: 0000000000000000 R14: ffff888116283b90 R15: dffffc0000000000
FS:  0000555578330500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa232def358 CR3: 0000000149f2e000 CR4: 00000000003526a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400