IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 ================================================================== BUG: KASAN: use-after-free in tick_sched_handle+0x16c/0x180 kernel/time/tick-sched.c:164 kasan: CONFIG_KASAN_INLINE enabled Read of size 8 at addr ffff8881b3382a70 by task syz-executor053/6000 CPU: 1 PID: 6000 Comm: syz-executor053 Not tainted 4.20.0-rc3+ #311 kasan: GPF could be caused by NULL-ptr deref or user memory access 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+0x244/0x39d lib/dump_stack.c:113 general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.20.0-rc3+ #311 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 print_address_description.cold.7+0x9/0x1ff mm/kasan/report.c:256 RIP: 0010:arch_static_branch mm/slab.c:3750 [inline] RIP: 0010:memcg_kmem_enabled include/linux/memcontrol.h:1293 [inline] RIP: 0010:cache_from_obj mm/slab.h:368 [inline] RIP: 0010:kmem_cache_free+0x16/0x290 mm/slab.c:3752 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.8+0x242/0x309 mm/kasan/report.c:412 Code: e8 4f 4e 86 ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 41 55 41 54 49 89 f4 53 48 89 fb 0f 1f 44 00 00 47 21 01 0f 85 c7 00 00 00 48 85 db 0f 84 b5 00 00 00 48 83 3d RSP: 0018:ffff8881dae07610 EFLAGS: 00010296 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 RAX: 0000000000000000 RBX: 15e95eeed9863400 RCX: ffffffff8152c7fa tick_sched_handle+0x16c/0x180 kernel/time/tick-sched.c:164 RDX: 0000000000000000 RSI: ffff8881be55c900 RDI: 15e95eeed9863400 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 RBP: ffff8881dae07630 R08: ffffffff89476ec0 R09: ffffed1037cab920 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 R10: ffffed1037cab920 R11: ffff8881be55c903 R12: ffff8881be55c900 R13: 1ffff1103b5c0ec9 R14: ffff8881dae076a8 R15: ffff8881b3472e50 FS: 0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000619570 CR3: 00000001bdef0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: put_pid.part.3+0x1b8/0x240 kernel/pid.c:111 hrtimer_interrupt+0x313/0x780 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1034 [inline] smp_apic_timer_interrupt+0x1a1/0x760 arch/x86/kernel/apic/apic.c:1059 put_pid kernel/pid.c:105 [inline] delayed_put_pid+0x20/0x30 kernel/pid.c:120 __rcu_reclaim kernel/rcu/rcu.h:240 [inline] rcu_do_batch kernel/rcu/tree.c:2437 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2716 [inline] rcu_process_callbacks+0x100a/0x1ac0 kernel/rcu/tree.c:2697 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 Allocated by task 3006804384: __do_softirq+0x308/0xb7e kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x17f/0x1c0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1061 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:804 RIP: 0010:native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:57 Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 93 dc e5 f9 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 82 dc e5 f9 eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 RSP: 0018:ffffffff89407c10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: 1ffffffff1280f86 RCX: 0000000000000000 RDX: 1ffffffff12a3f71 RSI: 0000000000000001 RDI: ffffffff8951fb88 RBP: ffffffff89407c10 R08: ffffffff89476ec0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89407cd0 R13: ffffffff8a1643e0 R14: 0000000000000000 R15: 0000000000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:151 [inline] default_idle+0xbf/0x490 arch/x86/kernel/process.c:498 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:489 default_idle_call+0x6d/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x49b/0x5c0 kernel/sched/idle.c:262 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:353 rest_init+0x243/0x372 init/main.c:443 arch_call_rest_init+0xe/0x1b start_kernel+0x9f0/0xa2b init/main.c:745 x86_64_start_reservations+0x2e/0x30 arch/x86/kernel/head64.c:472 x86_64_start_kernel+0x76/0x79 arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Modules linked in: BUG: unable to handle kernel paging request at ffffffff8caa3e08 ---[ end trace f03dfc7787285a82 ]--- PGD 946d067 P4D 946d067 PUD 946e063 PMD 0 RIP: 0010:arch_static_branch mm/slab.c:3750 [inline] RIP: 0010:memcg_kmem_enabled include/linux/memcontrol.h:1293 [inline] RIP: 0010:cache_from_obj mm/slab.h:368 [inline] RIP: 0010:kmem_cache_free+0x16/0x290 mm/slab.c:3752 Thread overran stack, or stack corrupted Oops: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 6000 Comm: syz-executor053 Tainted: G D 4.20.0-rc3+ #311 Code: e8 4f 4e 86 ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 41 55 41 54 49 89 f4 53 48 89 fb 0f 1f 44 00 00 47 21 01 0f 85 c7 00 00 00 48 85 db 0f 84 b5 00 00 00 48 83 3d Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:depot_fetch_stack+0x10/0x30 lib/stackdepot.c:201 Code: 89 e8 c4 9f 1c fe e9 87 fd ff ff e8 1a b5 a2 fd 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 00 fa ad 8b 8b 47 0c 48 83 c7 18 c7 46 10 00 00 00 00 RSP: 0018:ffff8881dae07610 EFLAGS: 00010296 RSP: 0018:ffff8881daf07a38 EFLAGS: 00010006 RAX: 00000000001f8881 RBX: ffff8881b3383104 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8881daf07a40 RDI: 0000000000003ff0 RAX: 0000000000000000 RBX: 15e95eeed9863400 RCX: ffffffff8152c7fa RBP: ffff8881daf07a68 R08: ffff8881c23943c0 R09: fffffbfff12b2218 R10: fffffbfff12b2218 R11: ffffffff895910c3 R12: ffffea0006cce080 R13: ffff8881b3382100 R14: ffff8881da980e00 R15: ffff8881b3383100 RDX: 0000000000000000 RSI: ffff8881be55c900 RDI: 15e95eeed9863400 FS: 0000000000d0a880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff8caa3e08 CR3: 00000001c2878000 CR4: 00000000001406e0 RBP: ffff8881dae07630 R08: ffffffff89476ec0 R09: ffffed1037cab920 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 R10: ffffed1037cab920 R11: ffff8881be55c903 R12: ffff8881be55c900 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: R13: 1ffff1103b5c0ec9 R14: ffff8881dae076a8 R15: ffff8881b3472e50 describe_object mm/kasan/report.c:243 [inline] print_address_description.cold.7+0x15b/0x1ff mm/kasan/report.c:263 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.8+0x242/0x309 mm/kasan/report.c:412 FS: 0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 tick_sched_handle+0x16c/0x180 kernel/time/tick-sched.c:164 tick_sched_timer+0x45/0x130 kernel/time/tick-sched.c:1274 CR2: 0000000000619570 CR3: 00000001bdef0000 CR4: 00000000001406f0 __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x41c/0x10d0 kernel/time/hrtimer.c:1460 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400