SELinux: security_context_str_to_sid (s) failed with errno=-22 watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.7:6096] Modules linked in: irq event stamp: 158242 hardirqs last enabled at (158241): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (158242): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (158144): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (158139): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 6096 Comm: syz-executor.7 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:smp_call_function_many_cond+0xa38/0x1110 Code: 31 ff 83 e5 01 89 ee e8 26 71 0b 00 85 ed 74 43 4d 89 ec 4c 89 ed 49 c1 ec 03 83 e5 07 4d 01 fc 83 c5 03 e8 da 75 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 d5 04 00 00 8b 43 08 31 RSP: 0018:ffff88800f9475a8 EFLAGS: 00000246 RAX: 0000000000040000 RBX: ffff88806ce3de20 RCX: ffffc90001a02000 RDX: 0000000000040000 RSI: ffffffff816880d6 RDI: 0000000000000005 RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000001 R11: 1ffff1100d9e6bb1 R12: ffffed100d9c7bc5 R13: ffff88806ce3de28 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007f2954b19700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f29576b7018 CR3: 0000000049293000 CR4: 0000000000350ef0 Call Trace: on_each_cpu_cond_mask+0x57/0xa0 smp_text_poke_batch_finish+0x36b/0xb50 __static_call_transform+0x337/0x740 arch_static_call_transform+0xcb/0xd0 __static_call_update+0xd6/0x630 tracepoint_add_func+0xab9/0xec0 tracepoint_probe_register+0xa4/0xf0 trace_event_reg+0x297/0x350 perf_trace_event_init+0x511/0xa10 perf_trace_init+0x1a4/0x2f0 perf_tp_event_init+0xa6/0x120 perf_try_init_event+0x140/0x9f0 perf_event_alloc.part.0+0x118e/0x45f0 __do_sys_perf_event_open+0x719/0x2c20 do_syscall_64+0xbf/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f29575a3b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2954b19188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f29576b6f60 RCX: 00007f29575a3b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000340 RBP: 00007f29575fdf6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9519b8df R14: 00007f2954b19300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 254 Comm: syz-fuzzer Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__mm_cid_try_get.constprop.0+0x393/0x490 Code: 89 c3 89 c2 89 54 24 68 0f b6 55 00 84 d2 74 09 80 fa 03 0f 8e b0 00 00 00 41 8b 95 d8 00 00 00 39 da 0f 87 38 ff ff ff f3 90 <41> 80 3e 00 0f 85 ad 00 00 00 49 8b 04 24 48 83 f8 ff 75 ba ba 40 RSP: 0018:ffff88800a77fc00 EFLAGS: 00000046 RAX: 0000000000000002 RBX: 0000000000000002 RCX: ffffffff814673ce RDX: 0000000000000002 RSI: 0000000000000004 RDI: ffff88804853df44 RBP: ffffed10090a7beb R08: 0000000000000000 R09: ffffed10090a7be8 R10: ffff88804853df47 R11: ffff8880159ba038 R12: ffff88804853e850 R13: ffff88804853de80 R14: ffffed10090a7d0a R15: ffff88804853df44 FS: 000000c000030410(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020295000 CR3: 00000000489f4000 CR4: 0000000000350ef0 DR0: ffffffffffff7693 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: mm_cid_get.isra.0+0x16a/0x570 __schedule+0x1744/0x3590 schedule+0xdb/0x390 exit_to_user_mode_loop+0x69/0x110 do_syscall_64+0x2f7/0x360 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x4b0f4b Code: Unable to access opcode bytes at 0x4b0f21. RSP: 002b:000000c0003274e0 EFLAGS: 00000206 ORIG_RAX: 0000000000000001 RAX: 00000000000000f0 RBX: 000000c00001e000 RCX: 00000000004b0f4b RDX: 00000000000000f0 RSI: 000000c00000a200 RDI: 0000000000000006 RBP: 000000c000327530 R08: 000000c00000a201 R09: 00000000000000f0 R10: 000000c0002ca900 R11: 0000000000000206 R12: 000000000000011e R13: 000000c0004d4000 R14: 000000000000007f R15: 0000000000002d2c ---------------- Code disassembly (best guess): 0: 31 ff xor %edi,%edi 2: 83 e5 01 and $0x1,%ebp 5: 89 ee mov %ebp,%esi 7: e8 26 71 0b 00 callq 0xb7132 c: 85 ed test %ebp,%ebp e: 74 43 je 0x53 10: 4d 89 ec mov %r13,%r12 13: 4c 89 ed mov %r13,%rbp 16: 49 c1 ec 03 shr $0x3,%r12 1a: 83 e5 07 and $0x7,%ebp 1d: 4d 01 fc add %r15,%r12 20: 83 c5 03 add $0x3,%ebp 23: e8 da 75 0b 00 callq 0xb7602 28: f3 90 pause * 2a: 41 0f b6 04 24 movzbl (%r12),%eax <-- trapping instruction 2f: 40 38 c5 cmp %al,%bpl 32: 7c 08 jl 0x3c 34: 84 c0 test %al,%al 36: 0f 85 d5 04 00 00 jne 0x511 3c: 8b 43 08 mov 0x8(%rbx),%eax 3f: 31 .byte 0x31