general protection fault in diFree

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 2d2791fc Linux 4.14.217
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=17c976e8d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=80753487c013c9c7
dashboard link: https://syzkaller.appspot.com/bug?extid=e814b9d089867bc7635a
compiler: gcc (GCC) 10.1.0-syz 20200507

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e814b9...@syzkaller.appspotmail.com

ERROR: (device loop4): xtSearch: XT_GETPAGE: xtree page corrupt
kasan: CONFIG_KASAN_INLINE enabled
BTRFS error (device loop3): open_ctree failed
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 23911 Comm: syz-executor.4 Not tainted 4.14.217-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880555d6140 task.stack: ffff88822ad08000
RIP: 0010:diFree+0x154/0x2830 fs/jfs/jfs_imap.c:892
RSP: 0018:ffff88822ad0f9a8 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: ffff888060341a00 RCX: ffffc9000cacc000
RDX: 0000000000000000 RSI: ffffffff8238e14f RDI: ffff8880669478e8
RBP: 0000000000000000 R08: ffffffff8b9c4a48 R09: 0000000000000001
R10: 0000000000000000 R11: ffff8880555d6140 R12: ffff888066947968
R13: 0000000000000004 R14: ffffffff87b65da0 R15: ffff888066947b20
FS: 00007f645f4a7700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555747e1000 CR3: 00000000290c3000 CR4: 00000000001406e0
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+0x2d4/0x380 fs/jfs/jfs_mount.c:201
jfs_fill_super+0x52a/0xab0 fs/jfs/super.c:589
__ntfs_error: 3 callbacks suppressed
ntfs: (device loop0): parse_options(): Unrecognized mount option .
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: 0033:0x460c6a
RSP: 002b:00007f645f4a6a78 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f645f4a6b10 RCX: 0000000000460c6a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f645f4a6ad0
RBP: 00007f645f4a6ad0 R08: 00007f645f4a6b10 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020000140
Code: 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 c1 ea 03 48 89 04 24 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85
RIP: diFree+0x154/0x2830 fs/jfs/jfs_imap.c:892 RSP: ffff88822ad0f9a8
---[ end trace 3e58ba5eb9b45e2f ]---


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.