R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 tmpfs: No value for mount option 'Ê„¨k' kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 10043 Comm: syz-executor4 Not tainted 4.15.0-rc5+ #149 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: 0018:ffff8801c8b1f940 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8801c89b0cd8 RDI: ffff8801c89b0ce0 RBP: ffff8801c8b1f958 R08: 1ffff10039163e5d R09: 0000000000000004 R10: ffff8801c8b1f7a8 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff8801cd67e940 R15: ffff8801c89b0cd8 FS: 0000000000000000(0000) GS:ffff8801db500000(0063) knlGS:00000000f77e2b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000094a56b4 CR3: 00000001c42c9005 CR4: 00000000001606e0 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] unregister_shrinker+0x79/0x300 mm/vmscan.c:301 deactivate_locked_super+0x64/0xd0 fs/super.c:311 mount_nodev+0xdf/0x100 fs/super.c:1163 shmem_mount+0x2c/0x40 mm/shmem.c:3972 mount_fs+0x66/0x2d0 fs/super.c:1218 vfs_kern_mount.part.26+0xc6/0x4a0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:2509 [inline] do_new_mount fs/namespace.c:2512 [inline] do_mount+0xea4/0x2bb0 fs/namespace.c:2842 C_SYSC_mount fs/compat.c:195 [inline] compat_SyS_mount+0xd0/0x1070 fs/compat.c:160 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x54/0x63 arch/x86/entry/entry_64_compat.S:125 RIP: 0023:0xf7fe6c79 RSP: 002b:00000000f77e208c EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000205a1ff8 RCX: 000000002002fff8 RDX: 0000000020937000 RSI: 0000000000000000 RDI: 0000000020f5df59 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Code: 00 00 00 00 ad de 49 39 c4 74 66 48 b8 00 02 00 00 00 00 ad de 48 89 da 48 39 c3 74 65 48 c1 ea 03 48 b8 00 00 00 00 00 fc ff df <80> 3c 02 00 75 7b 48 8b 13 48 39 f2 75 57 49 8d 7c 24 08 48 b8 RIP: __list_del_entry_valid+0x7e/0x150 lib/list_debug.c:51 RSP: ffff8801c8b1f940 ---[ end trace a99b3866e137a401 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled