WARNING: CPU: 0 PID: 19628 at kernel/events/core.c:1835 perf_group_attach+0x3fd/0x4d0 kernel/events/core.c:1835
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 19628 Comm: syz-executor.4 Not tainted 5.2.0-rc6+ #39
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 panic+0x2cb/0x744 kernel/panic.c:219
 __warn.cold+0x20/0x4d kernel/panic.c:576
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:986
RIP: 0010:perf_group_attach+0x3fd/0x4d0 kernel/events/core.c:1835
Code: ff 48 8d 7b 10 48 89 f8 48 c1 e8 03 42 80 3c 28 00 75 57 48 8b 5b 10 48 83 eb 10 49 39 dc 75 d4 e9 20 ff ff ff e8 a3 62 ea ff <0f> 0b e9 55 fd ff ff 48 c7 c7 b4 c7 a1 89 e8 00 e6 23 00 e9 5b fc
RSP: 0018:ffff8880ae809ea8 EFLAGS: 00010006
RAX: ffff888065ec86c0 RBX: ffff888099954300 RCX: ffffffff81865e98
RDX: 0000000000010000 RSI: ffffffff818661bd RDI: ffff888099954518
RBP: ffff8880ae809ed8 R08: ffff888065ec86c0 R09: ffffed1015d013cb
R10: ffffed1015d013ca R11: 0000000000000003 R12: ffff88808a52b440
R13: ffffe8ffffc15018 R14: 0000000000000000 R15: ffff8880ae83a648
 add_event_to_ctx kernel/events/core.c:2393 [inline]
 __perf_install_in_context+0x4b5/0x960 kernel/events/core.c:2544
 remote_function kernel/events/core.c:86 [inline]
 remote_function+0x129/0x1a0 kernel/events/core.c:66
 flush_smp_call_function_queue+0x147/0x4f0 kernel/smp.c:244
 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:193
 smp_call_function_single_interrupt+0x9d/0x450 arch/x86/kernel/smp.c:294
 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:828
 </IRQ>
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x50 kernel/kcov.c:101
Code: f4 ff ff ff e8 6d 04 ea ff 48 c7 05 ee 9a 16 09 00 00 00 00 e9 a4 e9 ff ff 90 90 90 90 90 90 90 90 90 55 48 89 e5 48 8b 75 08 <65> 48 8b 04 25 c0 fd 01 00 65 8b 15 10 39 91 7e 81 e2 00 01 1f 00
RSP: 0018:ffff8880970a78f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000000 RBX: fffffbfff11a4e7d RCX: ffffffff81b9e439
RDX: 0000000000000000 RSI: ffffffff81b9e44b RDI: 0000000000000001
RBP: ffff8880970a78f8 R08: ffff888065ec86c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880970a79f0 R14: ffff8880a6abc580 R15: 00000000000039b2
 raw_read_seqcount_begin include/linux/seqlock.h:149 [inline]
 read_seqcount_begin include/linux/seqlock.h:165 [inline]
 read_seqbegin include/linux/seqlock.h:433 [inline]
 d_lookup+0x15b/0x260 fs/dcache.c:2247
 d_hash_and_lookup+0x149/0x1c0 fs/dcache.c:2347
 proc_flush_task_mnt fs/proc/base.c:3109 [inline]
 proc_flush_task+0x26d/0x4d0 fs/proc/base.c:3181
 release_task+0x18c/0x1630 kernel/exit.c:197
 exit_notify kernel/exit.c:747 [inline]
 do_exit+0x14f7/0x2fa0 kernel/exit.c:898
 do_group_exit+0x135/0x370 kernel/exit.c:981
 get_signal+0x471/0x24b0 kernel/signal.c:2640
 do_signal+0x87/0x1900 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:279 [inline]
 do_syscall_64+0x58e/0x680 arch/x86/entry/common.c:304
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x4597c9
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:00007f2d23234c78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 0000000000000004 RBX: 0000000000000005 RCX: 00000000004597c9
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 00000000200000c0
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000003 R11: 0000000000000246 R12: 00007f2d232356d4
R13: 00000000004c647c R14: 00000000004db1c8 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..