WARNING: CPU: 0 PID: 20570 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: 20570 Comm: syz-executor.4 Not tainted 5.2.0-rc5+ #31
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 e3 70 ea ff <0f> 0b e9 55 fd ff ff 48 c7 c7 74 1c a1 89 e8 00 e6 23 00 e9 5b fc
RSP: 0018:ffff8880ae809ea8 EFLAGS: 00010006
RAX: ffff88808d95e4c0 RBX: ffff888085871600 RCX: ffffffff81864e78
RDX: 0000000000010000 RSI: ffffffff8186519d RDI: ffff888085871818
RBP: ffff8880ae809ed8 R08: ffff88808d95e4c0 R09: ffffed1015d013cb
R10: ffffed1015d013ca R11: 0000000000000003 R12: ffff88809b384d80
R13: ffffe8ffffc15010 R14: 0000000000000000 R15: ffff8880ae83a5c8
 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:__sanitizer_cov_trace_pc+0x2b/0x50 kernel/kcov.c:105
Code: 48 89 e5 48 8b 75 08 65 48 8b 04 25 c0 fd 01 00 65 8b 15 f0 3a 91 7e 81 e2 00 01 1f 00 75 2b 8b 90 e0 12 00 00 83 fa 02 75 20 <48> 8b 88 e8 12 00 00 8b 80 e4 12 00 00 48 8b 11 48 83 c2 01 48 39
RSP: 0018:ffff88809c22f688 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04
RAX: ffff88808d95e4c0 RBX: 0000000000000000 RCX: ffffffff81c20792
RDX: 0000000000000002 RSI: ffffffff81c208c0 RDI: 0000000000000001
RBP: ffff88809c22f688 R08: ffff88808d95e4c0 R09: ffff88808d95edd8
R10: ffff88808d95edb8 R11: ffff88808d95e4c0 R12: dffffc0000000000
R13: ffff88805aa16000 R14: ffff8880754c3a80 R15: 0000000000408c40
 rcu_read_lock_sched include/linux/rcupdate.h:702 [inline]
 percpu_ref_put_many include/linux/percpu-refcount.h:280 [inline]
 percpu_ref_put include/linux/percpu-refcount.h:301 [inline]
 css_put include/linux/cgroup.h:394 [inline]
 mem_cgroup_put include/linux/memcontrol.h:410 [inline]
 alloc_page_buffers+0x4a0/0x5c0 fs/buffer.c:846
 create_empty_buffers+0x2f/0x840 fs/buffer.c:1518
 ext4_block_write_begin+0xe3e/0x12b0 fs/ext4/inode.c:1176
 ext4_da_write_begin+0x511/0xec0 fs/ext4/inode.c:3106
 generic_perform_write+0x22a/0x520 mm/filemap.c:3206
 __generic_file_write_iter+0x25e/0x630 mm/filemap.c:3335
 ext4_file_write_iter+0x332/0x1070 fs/ext4/file.c:266
 call_write_iter include/linux/fs.h:1872 [inline]
 new_sync_write+0x4d3/0x770 fs/read_write.c:483
 __vfs_write+0xe1/0x110 fs/read_write.c:496
 vfs_write+0x20c/0x580 fs/read_write.c:558
 ksys_write+0x14f/0x290 fs/read_write.c:611
 __do_sys_write fs/read_write.c:623 [inline]
 __se_sys_write fs/read_write.c:620 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:620
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459519
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:00007f811a86bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459519
RDX: 00000000da4fff08 RSI: 0000000020000100 RDI: 0000000000000006
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f811a86c6d4
R13: 00000000004c93ff R14: 00000000004e06a0 R15: 00000000ffffffff

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