EXT4-fs warning (device sda1): ext4_group_extend:1761: can't shrink FS - resize aborted
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
CPU: 1 PID: 2727 Comm: udevd Not tainted 4.18.0-rc3+ #56
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:virt_to_head_page include/linux/mm.h:638 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline]
RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163
Code: 00 00 80 48 01 c2 72 43 48 b9 00 00 00 80 ff 77 00 00 48 01 ca 48 b9 00 00 00 00 00 ea ff ff 48 c1 ea 0c 48 c1 e2 06 48 01 ca <48> 8b 4a 08 48 8d 71 ff 83 e1 01 48 0f 45 d6 4c 8b 6a 18 e9 f4 fe 
RSP: 0018:ffff8801b747fb80 EFLAGS: 00010203
RAX: 1ffff10032d42854 RBX: 0000000000000282 RCX: ffffea0000000000
RDX: 007feba400cb5080 RSI: ffff880196a14240 RDI: 0000000000000282
RBP: ffff8801b747fbb8 R08: ffffed0043fff5cd R09: ffffed0043fff5cc
R10: ffffed0043fff5cc R11: ffff88021fffae63 R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff10032d42854 R15: ffffffff88f1b060
FS:  00007f6b44b847a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffda0c61f4c CR3: 00000001b746a000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 quarantine_reduce+0x163/0x1a0 mm/kasan/quarantine.c:259
 kasan_kmalloc+0x99/0xe0 mm/kasan/kasan.c:538
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490
 slab_post_alloc_hook mm/slab.h:444 [inline]
 slab_alloc mm/slab.c:3392 [inline]
 kmem_cache_alloc+0x11b/0x760 mm/slab.c:3552
 getname_flags+0xd0/0x5a0 fs/namei.c:140
 getname+0x19/0x20 fs/namei.c:211
 do_sys_open+0x3a2/0x760 fs/open.c:1095
 __do_sys_open fs/open.c:1119 [inline]
 __se_sys_open fs/open.c:1114 [inline]
 __x64_sys_open+0x7e/0xc0 fs/open.c:1114
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f6b4428c120
Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24 
RSP: 002b:00007ffda0c62608 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000b4cbb0 RCX: 00007f6b4428c120
RDX: 00000000000001b6 RSI: 0000000000080241 RDI: 00007ffda0c62af0
RBP: 00007ffda0c62680 R08: 0000000000000004 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000004
R13: 0000000000420721 R14: 00007ffda0c626f0 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
---------------------------------
syz-exec-13636   1...3 110403867us : 0: }D
syz-exec-13636   1...3 110435632us : 0: }D
---------------------------------
---[ end trace bdecf4d90d7b7bac ]---
RIP: 0010:virt_to_head_page include/linux/mm.h:638 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline]
RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163
Code: 00 00 80 48 01 c2 72 43 48 b9 00 00 00 80 ff 77 00 00 48 01 ca 48 b9 00 00 00 00 00 ea ff ff 48 c1 ea 0c 48 c1 e2 06 48 01 ca <48> 8b 4a 08 48 8d 71 ff 83 e1 01 48 0f 45 d6 4c 8b 6a 18 e9 f4 fe 
RSP: 0018:ffff8801b747fb80 EFLAGS: 00010203
RAX: 1ffff10032d42854 RBX: 0000000000000282 RCX: ffffea0000000000
RDX: 007feba400cb5080 RSI: ffff880196a14240 RDI: 0000000000000282
RBP: ffff8801b747fbb8 R08: ffffed0043fff5cd R09: ffffed0043fff5cc
R10: ffffed0043fff5cc R11: ffff88021fffae63 R12: 0000000000000000
R13: 0000000000000000 R14: 1ffff10032d42854 R15: ffffffff88f1b060
FS:  00007f6b44b847a0(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffda0c61f4c CR3: 00000001b746a000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600