Messages in this thread | | | Date | Fri, 10 Apr 2015 13:23:40 +0100 | From | Al Viro <> | Subject | Re: Oops in 4.0.0-rc6: __destroy_inode |
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On Wed, Apr 08, 2015 at 01:12:39PM +0200, Tobias Hoffmann wrote: > BUG: unable to handle kernel paging request at ffffffffff3cffff > IP: [<ffffffff8115a1c7>] __destroy_inode+0x77/0xd0 > RIP: 0010:[<ffffffff8115a1c7>] [<ffffffff8115a1c7>] > __destroy_inode+0x77/0xd0 > RSP: 0000:ffff8801aaa67bd8 EFLAGS: 00210286 > RAX: ffffffffff3cfffe RBX: ffff88010238d978 RCX: 00000000000024c0 > RDX: 0000000000000001 RSI: ffff88010238da08 RDI: ffffffffff3cffff > RBP: ffff8801aaa67be8 R08: ffffffff8115b3d0 R09: ffff8801aaa67d40 > R10: 0000000000000400 R11: 0000000000000000 R12: ffff88010238d9f8 > R13: ffffffff815210e0 R14: 0000000000000000 R15: 00000000000000a9 > FS: 0000000000000000(0000) GS:ffff8801b1c80000(0000) knlGS:00000000f1604b40 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: ffffffffff3cffff CR3: 00000000c0e95000 CR4: 00000000000006e0 > Stack: > 0000000000000003 ffff88010238d978 ffff8801aaa67c08 ffffffff8115a7d1 > ffff88010238d978 ffff88010238d978 ffff8801aaa67c38 ffffffff8115a922 > ffff8801aaa67c38 ffff8801aaa67c78 ffff8800cda4e800 ffff8800cda4eb40 > Call Trace: > [<ffffffff8115a7d1>] destroy_inode+0x21/0x60 > [<ffffffff8115a922>] evict+0x112/0x180 > [<ffffffff8115a9c9>] dispose_list+0x39/0x50 > [<ffffffff8115b825>] prune_icache_sb+0x45/0x50 > [<ffffffff811447e3>] super_cache_scan+0x153/0x1a0 > [<ffffffff811105a3>] shrink_slab.part.55.constprop.60+0x1a3/0x250 > [<ffffffff811129c1>] shrink_zone+0xa1/0xb0 > [<ffffffff81112dbf>] kswapd+0x3ef/0x700 > [<ffffffff811129d0>] ? shrink_zone+0xb0/0xb0 > [<ffffffff810aaf04>] kthread+0xc4/0xe0 > [<ffffffff810aae40>] ? kthread_freezable_should_stop+0x60/0x60 > [<ffffffff814f6588>] ret_from_fork+0x58/0x90 > [<ffffffff810aae40>] ? kthread_freezable_should_stop+0x60/0x60 > Code: 48 8b 7b 10 48 8d 47 ff 48 83 f8 fd 77 0a 48 85 ff 74 05 f0 ff > 0f 74 3c 48 8b 7b 18 48 8d 47 ff 48 83 f8 fd 77 0a 48 85 ff 74 05 > <f0> ff 0f 74 14 65 48 ff 0d c4 3d eb 7e 48 83 c4 08 5b 5d c3 0f > RIP [<ffffffff8115a1c7>] __destroy_inode+0x77/0xd0 > RSP <ffff8801aaa67bd8> > CR2: ffffffffff3cffff
FWIW, that's if (inode->i_default_acl && inode->i_default_acl != ACL_NOT_CACHED) posix_acl_release(inode->i_default_acl); finding 0xffffffffff3cffff in inode->i_default_acl. Which filesystem had that been?
> BUG: unable to handle kernel paging request at fffffffffffcffff > IP: [<ffffffff8115a1c7>] __destroy_inode+0x77/0xd0
Same, only it had found 0xfffffffffffcffff in the same field.
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