================================================================== kasan: CONFIG_KASAN_INLINE enabled BUG: KASAN: stack-out-of-bounds in timerqueue_add+0x2a5/0x320 lib/timerqueue.c:52 kasan: GPF could be caused by NULL-ptr deref or user memory access Read of size 8 at addr ffff8880a941f478 by task syz-executor5/11432 general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 64 Comm: ksoftirqC1 Not tainted 5.0.0-rc1+ #16 CPU: 0 PID: 11432 Comm: syz-executor5 Not tainted 5.0.0-rc1+ #16 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lookup_object lib/debugobjects.c:156 [inline] RIP: 0010:debug_object_deactivate lib/debugobjects.c:542 [inline] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 lib/debugobjects.c:529 Call Trace: Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 RSP: 0018:ffff8880ae707b80 EFLAGS: 00010003 RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff8880ae726620 RDX: 0ac82ae83cb1290d RSI: 0000000000000008 RDI: 56415741e589486d RBP: ffff8880ae707c70 R08: 1ffff11015ce0f5c R09: ffffffff899b13e0 R10: 0000000000000086 R11: 0000000000000003 R12: 56415741e5894855 R13: dffffc0000000000 R14: 1ffff11015ce0f74 R15: ffffffff8b6b05e8 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000068 CR3: 0000000095f08000 CR4: 00000000001406e0 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135 Call Trace: timerqueue_add+0x2a5/0x320 lib/timerqueue.c:52 enqueue_hrtimer+0x1ae/0x570 kernel/time/hrtimer.c:951 debug_hrtimer_deactivate kernel/time/hrtimer.c:412 [inline] debug_deactivate kernel/time/hrtimer.c:462 [inline] __run_hrtimer kernel/time/hrtimer.c:1359 [inline] __hrtimer_run_queues+0x225/0x1050 kernel/time/hrtimer.c:1451 __hrtimer_start_range_ns kernel/time/hrtimer.c:1080 [inline] hrtimer_start_range_ns+0x62a/0xda0 kernel/time/hrtimer.c:1106 hrtimer_start_expires include/linux/hrtimer.h:409 [inline] do_nanosleep+0x1a2/0x750 kernel/time/hrtimer.c:1676 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x18d/0x760 arch/x86/kernel/apic/apic.c:1060 hrtimer_nanosleep+0x2e4/0x640 kernel/time/hrtimer.c:1733 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline] __x64_sys_nanosleep+0x1e0/0x280 kernel/time/hrtimer.c:1754 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 Modules linked in: ---[ end trace 842945dd11bb5ea7 ]--- RIP: 0010:lookup_object lib/debugobjects.c:156 [inline] RIP: 0010:debug_object_deactivate lib/debugobjects.c:542 [inline] RIP: 0010:debug_object_deactivate+0x16c/0x4b0 lib/debugobjects.c:529 Code: c1 ea 03 42 80 3c 2a 00 0f 85 49 02 00 00 4d 8b 24 24 4d 85 e4 0f 84 d1 00 00 00 49 8d 7c 24 18 83 c3 01 48 89 fa 48 c1 ea 03 <42> 80 3c 2a 00 0f 85 fa 01 00 00 49 3b 4c 24 18 75 c0 49 8d 7c 24 entry_SYSCALL_64_after_hwframe+0x49/0xbe RSP: 0018:ffff8880ae707b80 EFLAGS: 00010003 RIP: 0033:0x485561 RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff8880ae726620 RDX: 0ac82ae83cb1290d RSI: 0000000000000008 RDI: 56415741e589486d Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 c4 e0 f8 ff c3 48 83 ec 08 e8 3a 55 fd ff 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 83 55 fd ff 48 89 d0 48 83 c4 08 48 3d 01 RBP: ffff8880ae707c70 R08: 1ffff11015ce0f5c R09: ffffffff899b13e0 R10: 0000000000000086 R11: 0000000000000003 R12: 56415741e5894855 RSP: 002b:0000000000a4fbd0 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 R13: dffffc0000000000 R14: 1ffff11015ce0f74 R15: ffffffff8b6b05e8 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 RAX: ffffffffffffffda RBX: 000000000004aa86 RCX: 0000000000485561 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000068 CR3: 0000000095f08000 CR4: 00000000001406e0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000a4fbe0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RBP: 000000000073bf00 R08: ffffffff8139c87a R09: 0000000024271a11 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400