random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) random: sshd: uninitialized urandom read (32 bytes read) IPVS: ftp: loaded support on port[0] = 21 ================================================================== BUG: KASAN: stack-out-of-bounds in timerqueue_add+0x249/0x2b0 lib/timerqueue.c:52 Read of size 8 at addr ffff8801af537cf8 by task syz-executor591/7178 CPU: 0 PID: 7178 Comm: syz-executor591 Not tainted 4.18.0-rc3+ #130 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+0x1c9/0x2b4 lib/dump_stack.c:113 print_address_description+0x6c/0x20b mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 timerqueue_add+0x249/0x2b0 lib/timerqueue.c:52 enqueue_hrtimer+0x18e/0x540 kernel/time/hrtimer.c:960 __run_hrtimer kernel/time/hrtimer.c:1413 [inline] __hrtimer_run_queues+0xc07/0x10c0 kernel/time/hrtimer.c:1460 hrtimer_interrupt+0x2f3/0x750 kernel/time/hrtimer.c:1518 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x165/0x730 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863 The buggy address belongs to the page: page:ffffea0006bd4dc0 count:0 mapcount:0 mapping:0000000000000000 index:0x0 flags: 0x2fffc0000000000() raw: 02fffc0000000000 0000000000000000 ffffffff06bd0101 0000000000000000 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801af537b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8801af537c00: 00 00 00 00 f1 f1 f1 f1 00 f2 f2 f2 f2 f2 f2 f2 >ffff8801af537c80: 00 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 f2 f2 f2 f2 ^ ffff8801af537d00: f8 f2 f2 f2 f2 f2 f2 f2 00 f2 f2 f2 00 00 00 00 ffff8801af537d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================