audit: type=1804 audit(1618675173.318:96): pid=32689 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir001023567/syzkaller.XTKLhr/1063/file0/file0" dev="ramfs" ino=92176 res=1 ceph: device name is missing path (no : separator in [dz:]:z*NlxGS7PEUpʋ/ xDfWW ACKh ✘es h[J0\ .arxfAH6]Z{Gk~!) Kernel panic - not syncing: corrupted stack end detected inside scheduler CPU: 1 PID: 29303 Comm: syz-executor.1 Not tainted 4.14.231-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 schedule_debug kernel/sched/core.c:3199 [inline] __schedule+0x1ddf/0x1de0 kernel/sched/core.c:3308 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3508 ___preempt_schedule+0x16/0x18 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] _raw_spin_unlock_irqrestore+0xaf/0xe0 kernel/locking/spinlock.c:192 try_to_wake_up+0x706/0x1100 kernel/sched/core.c:2091 wake_up_process kernel/sched/core.c:2160 [inline] wake_up_q+0x82/0xd0 kernel/sched/core.c:468 __mutex_unlock_slowpath+0x261/0x770 kernel/locking/mutex.c:1070 nf_sockopt_find.constprop.0+0x1ad/0x220 net/netfilter/nf_sockopt.c:88 nf_sockopt net/netfilter/nf_sockopt.c:99 [inline] nf_getsockopt+0x29/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt net/ipv4/ip_sockglue.c:1566 [inline] ip_getsockopt+0x105/0x150 net/ipv4/ip_sockglue.c:1551 tcp_getsockopt+0x7b/0xc0 net/ipv4/tcp.c:3257 SYSC_getsockopt net/socket.c:1896 [inline] SyS_getsockopt+0x102/0x1c0 net/socket.c:1878 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x467a6a RSP: 002b:00007ffeffcaeff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007ffeffcaf00c RCX: 0000000000467a6a RDX: 0000000000000060 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007ffeffcaf00c R09: 00007ffeffcaf070 R10: 00007ffeffcaf010 R11: 0000000000000246 R12: 00007ffeffcaf010 R13: 00000000000949e1 R14: 0000000000000000 R15: 00007ffeffcaf780 Kernel Offset: disabled Rebooting in 86400 seconds..