bond0: Releasing backup interface bond_slave_1
team0: Port device team_slave_0 removed
WARNING: can't dereference registers at ffff88804fc77e68 for ip apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
==================================================================
BUG: KASAN: use-after-free in user_mode arch/x86/include/asm/ptrace.h:126 [inline]
BUG: KASAN: use-after-free in perf_misc_flags+0x14f/0x169 arch/x86/events/core.c:2539
Read of size 8 at addr ffff88804fc77ef0 by task syz-executor.3/21632

CPU: 1 PID: 21632 Comm: syz-executor.3 Not tainted 4.14.193-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 print_address_description.cold+0x54/0x1d3 mm/kasan/report.c:252
 kasan_report_error.cold+0x8a/0x194 mm/kasan/report.c:351
 kasan_report mm/kasan/report.c:409 [inline]
 __asan_report_load8_noabort+0x68/0x70 mm/kasan/report.c:430
 user_mode arch/x86/include/asm/ptrace.h:126 [inline]
 perf_misc_flags+0x14f/0x169 arch/x86/events/core.c:2539
 perf_prepare_sample+0x15c/0x1380 kernel/events/core.c:6152
 __perf_event_output kernel/events/core.c:6278 [inline]
 perf_event_output_forward+0xc9/0x1f0 kernel/events/core.c:6296
 __perf_event_overflow+0x113/0x310 kernel/events/core.c:7541
 perf_swevent_hrtimer+0x220/0x350 kernel/events/core.c:8751
 __run_hrtimer kernel/time/hrtimer.c:1223 [inline]
 __hrtimer_run_queues+0x30b/0xc80 kernel/time/hrtimer.c:1287
 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>

Allocated by task 1338474256:
BUG: unable to handle kernel paging request at ffffffff8bf44860
IP: depot_fetch_stack+0x10/0x30 lib/stackdepot.c:193
PGD 7c6d067 P4D 7c6d067 PUD 7c6e063 PMD 0 
Thread overran stack, or stack corrupted
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 21632 Comm: syz-executor.3 Not tainted 4.14.193-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880942ac280 task.stack: ffff88804fc78000
RIP: 0010:depot_fetch_stack+0x10/0x30 lib/stackdepot.c:193
RSP: 0018:ffff8880aeb07970 EFLAGS: 00010006
RAX: 00000000001f8880 RBX: ffff88804fc77f00 RCX: 0000000000000000
RDX: 0000000000010000 RSI: ffff8880aeb07978 RDI: 0000000000003ff0
RBP: ffffea00013f1d80 R08: 000000000000001d R09: 0000000000000003
R10: 0000000000000000 R11: ffff8880942ac280 R12: ffff88804fc77ef0
R13: ffff88812fe52ac0 R14: ffff88804fc77f00 R15: ffff8880aeb07b10
FS:  00007f4e8cbc6700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff8bf44860 CR3: 000000004e9aa000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 print_track+0x25/0x46 mm/kasan/report.c:186
 describe_object mm/kasan/report.c:239 [inline]
 print_address_description.cold+0xd0/0x1d3 mm/kasan/report.c:259
 kasan_report_error.cold+0x8a/0x194 mm/kasan/report.c:351
 kasan_report mm/kasan/report.c:409 [inline]
 __asan_report_load8_noabort+0x68/0x70 mm/kasan/report.c:430
 user_mode arch/x86/include/asm/ptrace.h:126 [inline]
 perf_misc_flags+0x14f/0x169 arch/x86/events/core.c:2539
 perf_prepare_sample+0x15c/0x1380 kernel/events/core.c:6152
 __perf_event_output kernel/events/core.c:6278 [inline]
 perf_event_output_forward+0xc9/0x1f0 kernel/events/core.c:6296
 __perf_event_overflow+0x113/0x310 kernel/events/core.c:7541
 perf_swevent_hrtimer+0x220/0x350 kernel/events/core.c:8751
 __run_hrtimer kernel/time/hrtimer.c:1223 [inline]
 __hrtimer_run_queues+0x30b/0xc80 kernel/time/hrtimer.c:1287
 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
 smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>
Code: fe 5b c3 e8 73 e6 45 fe 0f 0b e8 5c b1 6f fe eb de 90 90 90 90 90 90 90 90 90 90 89 f8 c1 ef 11 25 ff ff 1f 00 81 e7 f0 3f 00 00 <48> 03 3c c5 60 04 f8 8a 8b 47 0c 48 83 c7 18 c7 46 10 00 00 00 
RIP: depot_fetch_stack+0x10/0x30 lib/stackdepot.c:193 RSP: ffff8880aeb07970
CR2: ffffffff8bf44860
---[ end trace fb6cb9de63c84701 ]---