WARNING: CPU: 0 PID: 7122 at arch/x86/kernel/perf_regs.c:71 regs_get_register arch/x86/include/asm/ptrace.h:223 [inline] WARNING: CPU: 0 PID: 7122 at arch/x86/kernel/perf_regs.c:71 perf_reg_value+0xde/0x120 arch/x86/kernel/perf_regs.c:74 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7122 Comm: syz-executor.2 Not tainted 5.1.0-rc5+ #1 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x113/0x167 lib/dump_stack.c:113 panic+0x212/0x40b kernel/panic.c:214 __warn.cold.8+0x1b/0x38 kernel/panic.c:571 report_bug+0x1a4/0x200 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:perf_reg_value+0xde/0x120 arch/x86/kernel/perf_regs.c:71 Code: a0 00 00 00 77 26 48 01 c3 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 74 98 48 89 df e8 94 84 6b 00 eb 8e <0f> 0b 48 83 c4 08 31 c0 5b 5d c3 89 75 f0 e8 7f 84 6b 00 8b 75 f0 RSP: 0018:ffff88808e617308 EFLAGS: 00010202 RAX: 00000000fffffff9 RBX: ffff88808e617a78 RCX: 1ffff11011cc2e71 RDX: 0000000000000019 RSI: 0000000000000019 RDI: ffff88808e617a78 RBP: ffff88808e617318 R08: ffff88808e6174d8 R09: ffffed1011db9718 R10: ffff88808e6175d8 R11: ffff88808e6175c8 R12: ffff88808e6173c8 R13: ffff88808e6175b0 R14: ffff88808e617a78 R15: 1ffff11011cc2e65 perf_output_sample_regs+0xa4/0x120 kernel/events/core.c:5914 perf_output_sample+0xca2/0x18c0 kernel/events/core.c:6351 __perf_event_output kernel/events/core.c:6571 [inline] perf_event_output_forward+0x10e/0x1f0 kernel/events/core.c:6585 __perf_event_overflow+0x11c/0x310 kernel/events/core.c:8052 perf_swevent_overflow+0x62/0xc0 kernel/events/core.c:8128 perf_swevent_event+0x1f5/0x2f0 kernel/events/core.c:8161 do_perf_sw_event kernel/events/core.c:8269 [inline] ___perf_sw_event+0x25b/0x3f0 kernel/events/core.c:8300 __perf_sw_event+0x3c/0x60 kernel/events/core.c:8312 perf_sw_event include/linux/perf_event.h:1077 [inline] do_user_addr_fault arch/x86/mm/fault.c:1516 [inline] __do_page_fault+0x516/0xa20 arch/x86/mm/fault.c:1541 do_page_fault+0x64/0x3a7 arch/x86/mm/fault.c:1572 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1143 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 1f 00 c3 0f 1f 80 00 00 00 00 0f 1f 00 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 1f 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 83 RSP: 0018:ffff88808e617b20 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 00000000200001c0 RCX: 00000000000001c0 RDX: 0000000000001000 RSI: 0000000020001000 RDI: ffff88808ec75e40 RBP: ffff88808e617b48 R08: 0000000000000000 R09: 0000000000000040 R10: ffffed1011d8ebff R11: ffff88808ec75fff R12: ffff88808ec75000 R13: ffff88808f9a0180 R14: 0000000000001000 R15: ffff88808e617ce0 copy_page_from_iter_iovec lib/iov_iter.c:294 [inline] copy_page_from_iter+0x1cd/0x7b0 lib/iov_iter.c:920 pipe_write+0x208/0xc90 fs/pipe.c:454 call_write_iter include/linux/fs.h:1866 [inline] new_sync_write+0x3ec/0x740 fs/read_write.c:474 __vfs_write+0x94/0x110 fs/read_write.c:487 vfs_write+0x150/0x4e0 fs/read_write.c:549 ksys_write+0x103/0x260 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:608 do_syscall_64+0xd0/0x4d0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007faf8ea10c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9 RDX: 000000010000026f RSI: 00000000200001c0 RDI: 0000000000000007 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf8ea116d4 R13: 00000000004c566b R14: 00000000004df350 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..