BUG: unable to handle kernel paging request at ffffebe000000020
IP: virt_to_head_page include/linux/mm.h:615 [inline]
IP: qlink_to_cache mm/kasan/quarantine.c:127 [inline]
IP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163
PGD 0 P4D 0 
Oops: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 26525 Comm: syz-executor1 Not tainted 4.16.0-rc7+ #372
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:virt_to_head_page include/linux/mm.h:615 [inline]
RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:127 [inline]
RIP: 0010:qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163
RSP: 0000:ffff880179c4f088 EFLAGS: 00010286
RAX: 0000000000000038 RBX: 0000000000000282 RCX: ffffea0000000000
RDX: ffffebe000000000 RSI: ffff8801ae3ccb48 RDI: 0000000000000282
RBP: ffff880179c4f0c0 R08: 1ffff1002f389ddf R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000038 R15: ffffffff88512760
FS:  0000000001399940(0000) GS:ffff8801db000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffebe000000020 CR3: 00000001cb022005 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 quarantine_reduce+0x141/0x170 mm/kasan/quarantine.c:259
 kasan_kmalloc+0xca/0xe0 mm/kasan/kasan.c:537
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:489
 slab_post_alloc_hook mm/slab.h:443 [inline]
 slab_alloc mm/slab.c:3380 [inline]
 kmem_cache_alloc+0x11b/0x760 mm/slab.c:3540
 kmem_cache_zalloc include/linux/slab.h:691 [inline]
 jbd2_alloc_handle include/linux/jbd2.h:1421 [inline]
 new_handle fs/jbd2/transaction.c:400 [inline]
 jbd2__journal_start+0x1d3/0x9f0 fs/jbd2/transaction.c:425
 __ext4_journal_start_sb+0x15f/0x550 fs/ext4/ext4_jbd2.c:81
 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline]
 ext4_dirty_inode+0x56/0xa0 fs/ext4/inode.c:5937
 __mark_inode_dirty+0x915/0x1170 fs/fs-writeback.c:2129
 generic_update_time+0x2a2/0x370 fs/inode.c:1653
 update_time fs/inode.c:1669 [inline]
 file_update_time+0x335/0x5b0 fs/inode.c:1880
 ext4_page_mkwrite+0x1db/0x1240 fs/ext4/inode.c:6089
 do_page_mkwrite+0x141/0x490 mm/memory.c:2371
 do_shared_fault mm/memory.c:3713 [inline]
 do_fault mm/memory.c:3752 [inline]
 handle_pte_fault mm/memory.c:3979 [inline]
 __handle_mm_fault+0x19f7/0x38c0 mm/memory.c:4103
 handle_mm_fault+0x44a/0xb10 mm/memory.c:4140
 __do_page_fault+0x560/0xbe0 arch/x86/mm/fault.c:1422
 do_page_fault+0xee/0x730 arch/x86/mm/fault.c:1497
 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1151
RIP: 0033:0x407cc0
RSP: 002b:0000000000a3e900 EFLAGS: 00010287
RAX: 0000001b9bc22000 RBX: 00000000000000c4 RCX: 00000000000007c3
RDX: 0000001b9bc22004 RSI: 0000000000000e3c RDI: 00000000d36aee3c
RBP: 00000000000000d7 R08: 00000000d36aee40 R09: 0000000000000000
R10: 0000000000a3e940 R11: 0000000000000246 R12: 000000007fbb4f3b
R13: 0000000000000002 R14: 000000000072bea0 R15: 0000000000072c10
Code: 00 00 00 80 48 01 c2 72 44 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 20 48 8d 71 ff 83 e1 01 48 0f 45 d6 4c 8b 6a 30 e9 f4 
RIP: virt_to_head_page include/linux/mm.h:615 [inline] RSP: ffff880179c4f088
RIP: qlink_to_cache mm/kasan/quarantine.c:127 [inline] RSP: ffff880179c4f088
RIP: qlist_free_all+0x12b/0x160 mm/kasan/quarantine.c:163 RSP: ffff880179c4f088
CR2: ffffebe000000020
---[ end trace a280ac4ffde30ea8 ]---