Garg. Is there no end to these ?
That kernel is based off 2.6.16rc5-git8
This brings the current count up to 8 different patterns filed
against our 2.6.16rc tree in Fedora bugzilla.
(One of them doesn't count as it's against the out-of-tree bcm43xx driver).
Dave
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https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=184310
Summary: Slab corruption in 2.6.15-1.2025_FC5smp
Product: Fedora Core
Version: devel
Platform: i686
OS/Version: Linux
Status: NEW
Severity: normal
Priority: normal
Component: kernel
AssignedTo: [email protected]
ReportedBy: [email protected]
QAContact: [email protected]
CC: [email protected]
I am running 2.6.15-1.2025_FC5smp. When I was building gcc with the gcc source
tree on a NFS server running RHEL 4 U2, I got
Slab corruption: (Not tainted) start=c574aeb8, len=2048
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<c02182d0>](release_mem+0xe6/0x1de)
[<c01602a5>] check_poison_obj+0x6a/0x15d [<c01603ba>]
cache_alloc_debugcheck_after+0x22/0xf9
[<c02c26d5>] tcp_sendmsg+0x153/0x983 [<c0160bfa>]
__kmalloc_track_caller+0xb5/0xbf
[<c02c26d5>] tcp_sendmsg+0x153/0x983 [<c029c5db>] __alloc_skb+0x4d/0xf2
[<c02c26d5>] tcp_sendmsg+0x153/0x983 [<c02d980d>] inet_sendmsg+0x35/0x3f
[<c02972da>] sock_sendmsg+0xd2/0xec [<c013465b>]
autoremove_wake_function+0x0/0x2d
[<c0298acb>] kernel_sendmsg+0x26/0x2c [<f8c4fd26>]
xs_tcp_send_request+0x107/0x302 [sunrpc]
[<f8c4f050>] xprt_transmit+0xd7/0x1c8 [sunrpc] [<f8d386dc>]
nfs3_xdr_fhandle+0x0/0x21 [nfs]
[<f8c4e1ba>] call_transmit+0x198/0x1cf [sunrpc] [<f8c51dd7>]
__rpc_execute+0x7a/0x193 [sunrpc]
[<f8c4d2e4>] rpc_call_sync+0x6b/0x91 [sunrpc] [<f8d35f3d>]
nfs3_rpc_wrapper+0x1f/0x5b [nfs]
[<f8d36939>] nfs3_proc_getattr+0x74/0x96 [nfs] [<f8d2f1f7>]
__nfs_revalidate_inode+0x113/0x24e [nfs]
[<c01780e5>] __d_lookup+0xbc/0xee [<c02f5136>] _read_unlock_irq+0x5/0x7
[<c014d5b6>] __do_page_cache_readahead+0x10f/0x212 [<f8d2b251>]
nfs_lookup_revalidate+0x18a/0x318 [nfs]
[<c017837a>] dput+0x31/0x164 [<f8d2b2d3>] nfs_lookup_revalidate+0x20c/0x318
[nfs]
[<c0160420>] cache_alloc_debugcheck_after+0x88/0xf9 [<c01d765c>]
vsnprintf+0x422/0x461
[<f8c52a58>] rpcauth_lookup_credcache+0x153/0x1ef [sunrpc] [<c01780e5>]
__d_lookup+0xbc/0xee
[<c016fbd7>] do_lookup+0x11d/0x14d [<c01716da>] __link_path_walk+0x834/0xc7d
[<c017bfe2>] mntput_no_expire+0x11/0x6e [<c0171afd>]
__link_path_walk+0xc57/0xc7d
[<c0171b6c>] link_path_walk+0x49/0xbd [<c0171f07>] do_path_lookup+0x1e3/0x248
[<c01727bf>] __path_lookup_intent_open+0x42/0x72 [<c017283e>]
path_lookup_open+0xf/0x13
[<c0172938>] open_namei+0x73/0x54c [<c0162c1f>] do_filp_open+0x1c/0x31
[<c0163ab8>] do_sys_open+0x3e/0xaa [<c0103d81>] syscall_call+0x7/0xb
0b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ff ff ff ff
0c0: 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Prev obj: start=c574a6ac, len=2048
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<c029c35c>](kfree_skbmem+0x8/0x63)
000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Next obj: start=c574b6c4, len=2048
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<c02182d0>](release_mem+0xe6/0x1de)
000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Slab corruption: (Not tainted) start=c574b6c4, len=2048
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<c02182d0>](release_mem+0xe6/0x1de)
[<c01602a5>] check_poison_obj+0x6a/0x15d [<c0170dc4>] lookup_one_len+0x4b/0x59
[<c01603ba>] cache_alloc_debugcheck_after+0x22/0xf9 [<c02181d5>]
alloc_tty_struct+0x10/0x25
[<c0160510>] kmem_cache_alloc+0x7f/0x89 [<c02181d5>] alloc_tty_struct+0x10/0x25
[<c02181d5>] alloc_tty_struct+0x10/0x25 [<c0218446>] init_dev+0x7e/0x47a
[<c021ac1b>] ptmx_open+0xf8/0x1b6 [<c02f525b>] lock_kernel+0x25/0x34
[<c016ba4e>] chrdev_open+0x104/0x148 [<c016b94a>] chrdev_open+0x0/0x148
[<c0162aac>] __dentry_open+0xc7/0x1ab [<c0162bf4>] nameidata_to_filp+0x19/0x28
[<c0162c2e>] do_filp_open+0x2b/0x31 [<c0163ab8>] do_sys_open+0x3e/0xaa
[<c0103d81>] syscall_call+0x7/0xb <3>0b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b ff ff ff ff
0c0: 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Prev obj: start=c574aeb8, len=2048
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<c029c35c>](kfree_skbmem+0x8/0x63)
000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Slab corruption: (Not tainted) start=c574a6ac, len=2048
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<c02182d0>](release_mem+0xe6/0x1de)
[<c01602a5>] check_poison_obj+0x6a/0x15d
[<c01603ba>] cache_alloc_debugcheck_after+0x22/0xf9 [<c02c26d5>]
tcp_sendmsg+0x153/0x983
[<c0160bfa>] __kmalloc_track_caller+0xb5/0xbf [<c02c26d5>]
tcp_sendmsg+0x153/0x983
[<c029c5db>] __alloc_skb+0x4d/0xf2 [<c02c26d5>] tcp_sendmsg+0x153/0x983
[<c02d980d>] inet_sendmsg+0x35/0x3f [<c02972da>] sock_sendmsg+0xd2/0xec
[<c013465b>] autoremove_wake_function+0x0/0x2d [<c0298acb>]
kernel_sendmsg+0x26/0x2c
[<f8c4fd26>] xs_tcp_send_request+0x107/0x302 [sunrpc] [<f8c4f050>]
xprt_transmit+0xd7/0x1c8 [sunrpc]
[<f8d38c69>] nfs3_xdr_diropargs+0x0/0x2e [nfs] [<f8c4e1ba>]
call_transmit+0x198/0x1cf [sunrpc]
[<f8c51dd7>] __rpc_execute+0x7a/0x193 [sunrpc] [<f8c4d2e4>]
rpc_call_sync+0x6b/0x91 [sunrpc]
[<f8d35f3d>] nfs3_rpc_wrapper+0x1f/0x5b [nfs] [<f8d36a59>]
nfs3_proc_lookup+0xfe/0x1a6 [nfs]
[<c01780e5>] __d_lookup+0xbc/0xee [<c02f5136>] _read_unlock_irq+0x5/0x7
[<c014d5b6>] __do_page_cache_readahead+0x10f/0x212 [<c017837a>] dput+0x31/0x164
[<f8d2b822>] nfs_lookup+0x96/0x104 [nfs] [<c0160420>]
cache_alloc_debugcheck_after+0x88/0xf9
[<c01d765c>] vsnprintf+0x422/0x461 [<c0160459>]
cache_alloc_debugcheck_after+0xc1/0xf9
[<c017816f>] d_alloc+0x1d/0x1c1 [<c0160510>] kmem_cache_alloc+0x7f/0x89
[<c017816f>] d_alloc+0x1d/0x1c1 [<c0178307>] d_alloc+0x1b5/0x1c1
[<c016fb6c>] do_lookup+0xb2/0x14d [<c01716da>] __link_path_walk+0x834/0xc7d
[<c017837a>] dput+0x31/0x164 [<c0171b6c>] link_path_walk+0x49/0xbd
[<c0171f07>] do_path_lookup+0x1e3/0x248 [<c0172661>] __user_walk_fd+0x29/0x3a
[<c016c470>] vfs_stat_fd+0x15/0x3c [<c016c524>] sys_stat64+0xf/0x23
[<c02f5e9f>] do_page_fault+0x0/0x5e2 [<c0103d81>] syscall_call+0x7/0xb
0b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b ff ff ff ff
0c0: 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Next obj: start=c574aeb8, len=2048
Redzone: 0x170fc2a5/0x170fc2a5.
Last user: [<c02181d5>](alloc_tty_struct+0x10/0x25)
000: 01 54 00 00 d4 a4 d5 f7 02 00 00 00 03 54 00 00
010: 7c 85 32 c0 00 00 00 00 01 00 00 00 4c b8 21 c0
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