------------[ cut here ]------------ WARNING: CPU: 0 PID: 19264 at arch/x86/entry/common.c:692 idtentry_exit+0x4a/0x90 arch/x86/entry/common.c:696 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 19264 Comm: syz-executor.4 Not tainted 5.8.0-syzkaller #0 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+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x45 kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:547 RIP: 0010:idtentry_exit+0x4a/0x90 arch/x86/entry/common.c:692 Code: 91 00 00 00 02 74 18 40 84 f6 75 3e 65 8b 05 6d fb 1a 78 a9 ff ff ff 7f 74 14 e9 d1 d6 92 f9 40 84 f6 75 42 c3 e9 86 fc ff ff <0f> 0b eb c7 e8 ad d0 7a f9 65 48 8b 04 25 00 ff 01 00 48 8b 00 a8 RSP: 0018:ffffc900018172e0 EFLAGS: 00010002 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffc9001167f000 RDX: 0000000000040000 RSI: 0000000000000000 RDI: ffffc90001817318 RBP: ffffc90001817318 R08: 0000000000000008 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000008 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 exc_page_fault+0xc2/0x160 arch/x86/mm/fault.c:1421 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:549 RIP: 0010:__softirqentry_text_end+0x39/0x55 Code: be 04 e0 ff b8 f2 ff ff ff 31 d2 e9 b4 f7 c6 ff 41 bf f2 ff ff ff 31 c0 e9 5a 43 e1 f8 41 bf f2 ff ff ff 31 ed e9 75 43 e1 f8 <41> be f2 ff ff ff 48 31 c0 e9 82 46 e1 f8 41 be f2 ff ff ff 48 31 RSP: 0018:ffffc900018173c0 EFLAGS: 00010046 RAX: 0000000000001eeb RBX: ffffc90001817470 RCX: ffffc9001167f000 RDX: 0000000000040000 RSI: ffffffff810150e0 RDI: 0000000000000006 RBP: 0000000000000008 R08: 0000000000000000 R09: ffff888091262147 R10: 0000000000000008 R11: 0000000000000001 R12: ffffc9000181747c R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888091262140 get_perf_callchain+0x4bc/0x880 kernel/events/callchain.c:223 perf_callchain+0x165/0x1c0 kernel/events/core.c:6986 perf_prepare_sample+0x8fd/0x1d40 kernel/events/core.c:7013 __perf_event_output kernel/events/core.c:7171 [inline] perf_event_output_forward+0xf3/0x270 kernel/events/core.c:7191 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8846 perf_swevent_overflow kernel/events/core.c:8922 [inline] perf_swevent_event+0x4b9/0x550 kernel/events/core.c:8960 perf_tp_event+0x2e4/0xb50 kernel/events/core.c:9378 perf_trace_run_bpf_submit+0x11c/0x200 kernel/events/core.c:9352 perf_trace_lock_acquire+0x33f/0x520 include/trace/events/lock.h:13 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x382/0xad0 kernel/locking/lockdep.c:5004 rcu_lock_acquire include/linux/rcupdate.h:241 [inline] rcu_read_lock_sched include/linux/rcupdate.h:742 [inline] __fd_install+0x46/0x600 fs/file.c:610 __do_sys_perf_event_open+0x1e65/0x2b50 kernel/events/core.c:11998 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45ccd9 Code: 2d b6 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fee91c7cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000023980 RCX: 000000000045ccd9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 000000000078bf50 R08: 0000000000000008 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000078bf0c R13: 00007ffe3da32eaf R14: 00007fee91c7d9c0 R15: 000000000078bf0c Kernel Offset: disabled Rebooting in 86400 seconds..