do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f36549
=====================================================
BUG: KMSAN: uninit-value in show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123
 show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123
 show_ip arch/x86/kernel/dumpstack.c:144 [inline]
 show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149
 __show_regs+0x31/0xc90 arch/x86/kernel/process_64.c:74
 show_regs_if_on_stack+0x45e/0x530 arch/x86/kernel/dumpstack.c:167
 show_trace_log_lvl+0x392/0x490 arch/x86/kernel/dumpstack.c:298
 show_regs+0xad/0xd0 arch/x86/kernel/dumpstack.c:475
 __warn+0x242/0x580 kernel/panic.c:618
 report_bug+0x7ff/0xa10 lib/bug.c:198
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:317
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:338
 asm_exc_invalid_op+0x1b/0x20 arch/x86/include/asm/idtentry.h:568
 refcount_warn_saturate+0x2ce/0x320 lib/refcount.c:28
 __refcount_sub_and_test include/linux/refcount.h:283 [inline]
 __refcount_dec_and_test include/linux/refcount.h:315 [inline]
 refcount_dec_and_test include/linux/refcount.h:333 [inline]
 kref_put include/linux/kref.h:64 [inline]
 aa_put_label security/apparmor/include/label.h:444 [inline]
 apparmor_sk_free_security+0x2da/0x330 security/apparmor/lsm.c:829
 security_sk_free+0x6e/0x100 security/security.c:2291
 sk_prot_free net/core/sock.c:2062 [inline]
 __sk_destruct+0x692/0xb10 net/core/sock.c:2152
 rcu_do_batch kernel/rcu/tree.c:2248 [inline]
 rcu_core+0xa12/0x20d0 kernel/rcu/tree.c:2508
 rcu_core_si+0xe/0x10 kernel/rcu/tree.c:2525
 __do_softirq+0x1c5/0x7b9 kernel/softirq.c:571
 invoke_softirq+0x8f/0x100 kernel/softirq.c:445
 __irq_exit_rcu+0x5a/0x110 kernel/softirq.c:650
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1107
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
 kmsan_internal_memmove_metadata+0x1ea/0x350 mm/kmsan/core.c:154
 __msan_memcpy+0x104/0x1b0 mm/kmsan/instrumentation.c:180
 prepare_creds+0xcb/0xb90 kernel/cred.c:267
 copy_creds+0x128/0xdd0 kernel/cred.c:365
 copy_process+0xf4e/0x69f0 kernel/fork.c:2113
 kernel_clone+0x40d/0xf40 kernel/fork.c:2671
 __do_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:254 [inline]
 __se_compat_sys_ia32_clone arch/x86/kernel/sys_ia32.c:240 [inline]
 __ia32_compat_sys_ia32_clone+0x245/0x370 arch/x86/kernel/sys_ia32.c:240
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Local variable opcodes created at:
 show_opcodes+0x49/0x2e0 arch/x86/kernel/dumpstack.c:118
 show_ip arch/x86/kernel/dumpstack.c:144 [inline]
 show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149

CPU: 0 PID: 3483 Comm: syz-executor.3 Not tainted 6.1.0-rc2-syzkaller-61955-g4a3e741a3d6a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================