audit: type=1804 audit(1666921002.563:55): pid=10550 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3295933122/syzkaller.fWRUop/29/file0" dev="sda1" ino=14037 res=1 watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.1:10531] Modules linked in: irq event stamp: 37420 hardirqs last enabled at (37419): [] restore_regs_and_return_to_kernel+0x0/0x2a hardirqs last disabled at (37420): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (32344): [] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 softirqs last disabled at (32327): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (32327): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 10531 Comm: syz-executor.1 Not tainted 4.14.296-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 task: ffff8880a4e265c0 task.stack: ffff8880984f0000 RIP: 0010:__output_copy kernel/events/internal.h:176 [inline] RIP: 0010:perf_output_read_group kernel/events/core.c:5899 [inline] RIP: 0010:perf_output_read+0x6d8/0x1090 kernel/events/core.c:5932 RSP: 0018:ffff8880984f7290 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: ffffed101309eea8 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000010 RSI: ffff8880984f7370 RDI: ffff8880ab97adc8 RBP: ffff8880984f7360 R08: 0000000000000001 R09: ffffed101572f5b8 R10: ffff8880ab97adc7 R11: 00000038f5be8709 R12: dffffc0000000000 R13: ffffed101309eeaa R14: ffff8880984f7528 R15: 0000000000000010 FS: 00007fece8642700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020f7f000 CR3: 00000000a9d4e000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: perf_output_sample+0xa28/0x16f0 kernel/events/core.c:5974 __perf_event_output kernel/events/core.c:6287 [inline] perf_event_output_forward+0xf8/0x1f0 kernel/events/core.c:6300 __perf_event_overflow+0x113/0x310 kernel/events/core.c:7549 perf_swevent_overflow kernel/events/core.c:7625 [inline] perf_swevent_event+0x299/0x460 kernel/events/core.c:7653 do_perf_sw_event kernel/events/core.c:7766 [inline] ___perf_sw_event+0x2a1/0x480 kernel/events/core.c:7797 __perf_sw_event+0x4f/0x100 kernel/events/core.c:7809 perf_sw_event include/linux/perf_event.h:1046 [inline] __do_page_fault+0x692/0xad0 arch/x86/mm/fault.c:1483 page_fault+0x25/0x50 arch/x86/entry/entry_64.S:1123 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 RSP: 0018:ffff8880984f7a60 EFLAGS: 00050206 RAX: ffffed100ae0187c RBX: 00000000000043e0 RCX: 0000000000002eab RDX: 00000000000043e0 RSI: 0000000020f7f000 RDI: ffff888057009535 RBP: 0000000020f7dacb R08: 0000000000000001 R09: ffffed100ae0187b R10: ffff88805700c3df R11: 0000000000000000 R12: ffff888057008000 R13: 00007ffffffff000 R14: 0000000020f81eab R15: ffff8880529dac80 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:55 [inline] copyin+0x99/0xc0 lib/iov_iter.c:146 _copy_from_iter_full+0x19c/0x760 lib/iov_iter.c:610 copy_from_iter_full include/linux/uio.h:126 [inline] skb_do_copy_data_nocache include/net/sock.h:1892 [inline] skb_copy_to_page_nocache include/net/sock.h:1918 [inline] tcp_sendmsg_locked+0x23fc/0x2ef0 net/ipv4/tcp.c:1360 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1457 inet_sendmsg+0x11a/0x4e0 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 SYSC_sendto net/socket.c:1763 [inline] SyS_sendto+0x1c7/0x2c0 net/socket.c:1731 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fecea0cf5a9 RSP: 002b:00007fece8642168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fecea1eff80 RCX: 00007fecea0cf5a9 RDX: ffffffffffffffef RSI: 0000000020d7cfcb RDI: 0000000000000006 RBP: 00007fecea12a7b0 R08: 0000000000000000 R09: 0000000000000053 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffecd6bdfaf R14: 00007fece8642300 R15: 0000000000022000 Code: 80 7d 00 00 0f 85 ca 06 00 00 49 8b 7e 28 4c 89 fa 48 89 ee 4c 29 fb e8 47 78 1b 00 41 80 7d 00 00 0f 85 bc 06 00 00 48 8b 04 24 <4c> 01 fd 4d 01 7e 28 80 38 00 0f 85 7b 06 00 00 4d 29 7e 18 0f Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at pc 0xffffffff87248d8e