RBP: 00007f30d89337e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f30d8b17038 R14: 00007f30d8b16fa0 R15: 00007fff3ac6df28
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 266s! [syz.4.5:335]
Modules linked in:
CPU: 0 PID: 335 Comm: syz.4.5 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__sanitizer_cov_trace_pc+0x5c/0x60 kernel/kcov.c:216
Code: 38 0b 00 00 83 fa 02 75 21 48 8b 91 40 0b 00 00 48 8b 32 48 8d 7e 01 8b 89 3c 0b 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a <5d> c3 66 90 55 48 89 e5 48 8b 45 08 65 48 8b 0d 20 a0 98 7e 65 8b
RSP: 0018:ffffc900079e7500 EFLAGS: 00000246
RAX: ffffffff818b3c2a RBX: ffff88810dd4db70 RCX: 0000000000080000
RDX: ffffc90002720000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900079e7500 R08: ffffffff86e94aab R09: fffff52000f3ce50
R10: dffffc0000000000 R11: fffffbfff0dd2956 R12: ffff88810dd4db60
R13: ffffffff8681ead8 R14: ffff888129793240 R15: ffff88810cb7fc70
FS:  00007f30d72f86c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3c2f845e40 CR3: 000000010d43e000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __pmu_filter_match kernel/events/core.c:2321 [inline]
 pmu_filter_match kernel/events/core.c:2338 [inline]
 event_filter_match kernel/events/core.c:2349 [inline]
 perf_iterate_ctx kernel/events/core.c:7769 [inline]
 perf_iterate_sb+0xc0a/0xd50 kernel/events/core.c:7830
 perf_event_text_poke+0x140/0x1a0 kernel/events/core.c:9246
 text_poke_bp_batch+0x357/0x600 arch/x86/kernel/alternative.c:1695
 text_poke_bp+0xcf/0x150 arch/x86/kernel/alternative.c:1879
 __static_call_transform+0x2f2/0x510 arch/x86/kernel/static_call.c:111
 arch_static_call_transform+0x193/0x260 arch/x86/kernel/static_call.c:162
 __static_call_update+0x3c4/0x5e0 kernel/static_call_inline.c:198
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_add_func+0x746/0x8e0 kernel/tracepoint.c:358
 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline]
 tracepoint_probe_register+0x5a/0x90 kernel/tracepoint.c:531
 trace_event_reg+0x159/0x270 kernel/trace/trace_events.c:660
 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline]
 perf_trace_event_init+0x52d/0xa30 kernel/trace/trace_event_perf.c:202
 perf_trace_init+0x240/0x2e0 kernel/trace/trace_event_perf.c:226
 perf_tp_event_init+0x8e/0x120 kernel/events/core.c:9952
 perf_try_init_event+0x14a/0x430 kernel/events/core.c:11451
 perf_init_event kernel/events/core.c:11515 [inline]
 perf_event_alloc+0xedd/0x1a20 kernel/events/core.c:11809
 __do_sys_perf_event_open kernel/events/core.c:12347 [inline]
 __se_sys_perf_event_open+0x6f5/0x1bb0 kernel/events/core.c:12239
 __x64_sys_perf_event_open+0xbf/0xd0 kernel/events/core.c:12239
 x64_sys_call+0x50d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:299
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f30d889cf79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f30d72f8028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f30d8b16fa0 RCX: 00007f30d889cf79
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000001480
RBP: 00007f30d89337e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f30d8b17038 R14: 00007f30d8b16fa0 R15: 00007fff3ac6df28
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 arch/x86/kernel/process.c:729