BUG: unable to handle kernel paging request at ffffffffffffff80
IP: diFree+0x12e/0x2830 fs/jfs/jfs_imap.c:872
PGD 7c6d067 P4D 7c6d067 PUD 7c6f067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 28936 Comm: syz-executor.1 Not tainted 4.14.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880965ea440 task.stack: ffff88803e1d0000
RIP: 0010:diFree+0x12e/0x2830 fs/jfs/jfs_imap.c:872
RSP: 0018:ffff88803e1d79a8 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88809f54db80 RCX: ffffc90012a9c000
RDX: 1ffffffffffffff0 RSI: ffffffff822cb31f RDI: ffffffffffffff80
RBP: ffff88804aba0428 R08: ffffffff8a08b100 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8880965ea440 R12: ffff88804aba0428
R13: ffff88804aba0450 R14: ffffffff86d12980 R15: ffff88804aba05e0
FS:  00007f59f9e30700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffff80 CR3: 000000005341a000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 jfs_evict_inode+0xee/0x130 fs/jfs/inode.c:164
 evict+0x2c8/0x700 fs/inode.c:555
 iput_final fs/inode.c:1524 [inline]
 iput+0x458/0x7e0 fs/inode.c:1551
 diFreeSpecial fs/jfs/jfs_imap.c:569 [inline]
 diFreeSpecial+0x63/0x80 fs/jfs/jfs_imap.c:561
 jfs_mount+0x20a/0x380 fs/jfs/jfs_mount.c:222
 jfs_fill_super+0x52a/0xab0 fs/jfs/super.c:589
 mount_bdev+0x2b3/0x360 fs/super.c:1134
 mount_fs+0x92/0x2a0 fs/super.c:1237
 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2549 [inline]
 do_mount+0xe53/0x2a00 fs/namespace.c:2879
 SYSC_mount fs/namespace.c:3095 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3072
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x460bca
RSP: 002b:00007f59f9e2fa88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f59f9e2fb20 RCX: 0000000000460bca
RDX: 0000000020000040 RSI: 00000000200000c0 RDI: 00007f59f9e2fae0
RBP: 00007f59f9e2fae0 R08: 00007f59f9e2fb20 R09: 0000000020000040
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000040
R13: 00000000200000c0 R14: 0000000020000200 R15: 0000000020000340
Code: 43 28 48 8d 78 80 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5b 20 00 00 48 8b 44 24 18 <48> 8b 68 80 48 8b 44 24 20 4c 8d 6d 04 48 c1 e8 0c 4c 89 ea 48 
RIP: diFree+0x12e/0x2830 fs/jfs/jfs_imap.c:872 RSP: ffff88803e1d79a8
CR2: ffffffffffffff80
---[ end trace 27d785a0932e4422 ]---