CFI failure at __traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:94 (target: tp_stub_func+0x0/0x10; expected type: 0x8682d211)
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 102 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:94
Code: 8b 3d 60 5b ca 05 4d 85 ff 74 2e 48 89 d3 49 89 f6 49 8b 07 49 8b 7f 08 4c 89 f6 48 89 da 41 ba ef 2d 7d 79 44 03 50 fc 74 02 <0f> 0b ff d0 49 83 7f 18 00 4d 8d 7f 18 75 d8 31 c0 5b 41 5e 41 5f
RSP: 0018:ffffc90000a077b8 EFLAGS: 00010213
RAX: ffffffff817123b0 RBX: ffff88812ba8da00 RCX: 0000000000000000
RDX: ffff88812ba8da00 RSI: ffffffff82352600 RDI: ffffc900009fd000
RBP: ffffc90000a077d0 R08: dffffc0000000000 R09: fffff52000140ed5
R10: 000000001ebd94fb R11: 1ffff92000140ed4 R12: ffffc90000a078c0
R13: ffffffffffffffc3 R14: ffffffff82352600 R15: ffff88810f055028
FS:  00007f11ed761880(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e810ff8 CR3: 000000010ec11000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 trace_kfree include/trace/events/kmem.h:94 [inline]
 kfree+0xc9/0xf0 mm/slab_common.c:977
 inode_doinit_use_xattr+0x250/0x3f0 security/selinux/hooks.c:1340
 inode_doinit_with_dentry+0x924/0xd70 security/selinux/hooks.c:1507
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6390
 security_d_instantiate+0xb3/0x110 security/security.c:2096
 d_splice_alias+0x6d/0x390 fs/dcache.c:3153
 kernfs_iop_lookup+0x2c2/0x310 fs/kernfs/dir.c:1204
 __lookup_slow+0x2c7/0x3f0 fs/namei.c:1689
 lookup_slow+0x57/0x70 fs/namei.c:1706
 walk_component+0x2f4/0x420 fs/namei.c:1997
 lookup_last fs/namei.c:2454 [inline]
 path_lookupat+0x180/0x490 fs/namei.c:2478
 filename_lookup+0x1f0/0x500 fs/namei.c:2507
 user_path_at_empty+0x47/0x1c0 fs/namei.c:2904
 do_readlinkat+0xd4/0x480 fs/stat.c:468
 __do_sys_readlink fs/stat.c:501 [inline]
 __se_sys_readlink fs/stat.c:498 [inline]
 __x64_sys_readlink+0x7f/0x90 fs/stat.c:498
 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:90
 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: 0033:0x7f11ed1153a7
Code: 00 00 90 48 83 ec 10 48 63 ff 45 31 c9 45 31 c0 6a 00 31 c9 e8 8a 20 f9 ff 48 83 c4 18 c3 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 21 ba 0d 00 f7 d8 64 89 02 48
RSP: 002b:00007fff84a94038 EFLAGS: 00000246 ORIG_RAX: 0000000000000059
RAX: ffffffffffffffda RBX: 00007fff84a94510 RCX: 00007f11ed1153a7
RDX: 0000000000000400 RSI: 00007fff84a94040 RDI: 00007fff84a94510
RBP: 00007fff84a94040 R08: 000056470ebc8854 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000400
R13: 0000000000000100 R14: 00005646f009cbe0 R15: 00007fff84a94f90
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:94
Code: 8b 3d 60 5b ca 05 4d 85 ff 74 2e 48 89 d3 49 89 f6 49 8b 07 49 8b 7f 08 4c 89 f6 48 89 da 41 ba ef 2d 7d 79 44 03 50 fc 74 02 <0f> 0b ff d0 49 83 7f 18 00 4d 8d 7f 18 75 d8 31 c0 5b 41 5e 41 5f
RSP: 0018:ffffc90000a077b8 EFLAGS: 00010213