watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.2:760] Modules linked in: CPU: 0 PID: 760 Comm: syz-executor.2 Not tainted 5.4.233-syzkaller-00043-g0108362f3305 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 RIP: 0010:memcpy_erms+0x8/0x10 arch/x86/lib/memcpy_64.S:55 Code: 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 f3 a4 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe 7c 35 RSP: 0018:ffff8881e283eed8 EFLAGS: 00000256 ORIG_RAX: ffffffffffffff13 RAX: ffff8881db444d98 RBX: ffff8881e283f368 RCX: 0000000000000000 RDX: 0000000000000010 RSI: ffff8881e283efd0 RDI: ffff8881db444da8 RBP: ffff8881e283f070 R08: dffffc0000000000 R09: ffffed103b6889b5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881e283f358 R13: dffffc0000000000 R14: 1ffff1103c507e6b R15: 0000000000000010 FS: 00007fc94d6ff700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000202901ff CR3: 00000001db38b000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memcpy_common kernel/events/internal.h:173 [inline] __output_copy kernel/events/internal.h:177 [inline] perf_output_read_group kernel/events/core.c:6356 [inline] perf_output_read+0xfb0/0x1290 kernel/events/core.c:6389 perf_output_sample+0x327/0x1e00 kernel/events/core.c:6431 __perf_event_output kernel/events/core.c:6758 [inline] perf_event_output_forward+0x141/0x1b0 kernel/events/core.c:6772 __perf_event_overflow+0x1d7/0x360 kernel/events/core.c:8246 do_perf_sw_event kernel/events/core.c:8463 [inline] ___perf_sw_event+0x389/0x470 kernel/events/core.c:8494 __perf_sw_event+0x12f/0x230 kernel/events/core.c:8506 page_fault+0x2f/0x40 arch/x86/entry/entry_64.S:1206 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:60 [inline] NMI backtrace for cpu 1 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 1 skipped: idling at default_idle+0x1f/0x30 arch/x86/kernel/process.c:572