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: 0 PID: 12412 Comm: syz.7.12020 Not tainted 6.1.134-syzkaller-00033-g0c1a07d9c284 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 RIP: 0010:__traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:94 Code: 8b 3d 70 5d 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:ffffc900033d77b8 EFLAGS: 00010213 RAX: ffffffff817102c0 RBX: ffff88813f758540 RCX: 0000000000000018 RDX: ffff88813f758540 RSI: ffffffff8234703f RDI: ffffc90004f7f000 RBP: ffffc900033d77d0 R08: dffffc0000000000 R09: ffffc900033d74a0 R10: 000000001ebd94fb R11: ffffffff812e0580 R12: dffffc0000000000 R13: ffff88813f758540 R14: ffffffff8234703f R15: ffff888109a18a28 FS: 00007fd0addff6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ec1eff8 CR3: 000000014ca0e000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0xc9/0xf0 mm/slab_common.c:977 avc_audit_post_callback+0x32f/0x820 security/selinux/avc.c:747 common_lsm_audit+0x12d7/0x16d0 security/lsm_audit.c:460 slow_avc_audit+0x1ac/0x220 security/selinux/avc.c:804 avc_audit security/selinux/include/avc.h:136 [inline] cred_has_capability security/selinux/hooks.c:1605 [inline] selinux_capable+0x21d/0x380 security/selinux/hooks.c:2121 security_capable+0x89/0xc0 security/security.c:809 ns_capable_common kernel/capability.c:376 [inline] ns_capable kernel/capability.c:397 [inline] capable+0x6d/0xe0 kernel/capability.c:450 bpf_capable include/linux/capability.h:264 [inline] __sys_bpf+0xa7/0x780 kernel/bpf/syscall.c:4949 __do_sys_bpf kernel/bpf/syscall.c:5103 [inline] __se_sys_bpf kernel/bpf/syscall.c:5101 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5101 x64_sys_call+0x488/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322 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: 0033:0x7fd0adf8e969 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007fd0addff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd0ae1b5fa0 RCX: 00007fd0adf8e969 RDX: 0000000000000048 RSI: 0000200000000640 RDI: 0000000000000000 RBP: 00007fd0ae010ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd0ae1b5fa0 R15: 00007ffed5a946a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__traceiter_kfree+0x34/0x50 include/trace/events/kmem.h:94 Code: 8b 3d 70 5d 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:ffffc900033d77b8 EFLAGS: 00010213 RAX: ffffffff817102c0 RBX: ffff88813f758540 RCX: 0000000000000018 RDX: ffff88813f758540 RSI: ffffffff8234703f RDI: ffffc90004f7f000 RBP: ffffc900033d77d0 R08: dffffc0000000000 R09: ffffc900033d74a0 R10: 000000001ebd94fb R11: ffffffff812e0580 R12: dffffc0000000000 R13: ffff88813f758540 R14: ffffffff8234703f R15: ffff888109a18a28 FS: 00007fd0addff6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ec1eff8 CR3: 000000014ca0e000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400