https://github.com/torvalds/linux
Revision c43f89c2084f46e3ec59ddcbc52ecf4b1e9b015a authored by Alexey Dobriyan on 15 April 2008, 21:34:33 UTC, committed by Linus Torvalds on 16 April 2008, 02:35:40 UTC
/proc/fb is not removed during rmmod. Steps to reproduce: modprobe fb rmmod fb ls /proc BUG: unable to handle kernel paging request at ffffffffa0094370 IP: [<ffffffff802b92a1>] proc_get_inode+0x101/0x130 PGD 203067 PUD 207063 PMD 17e758067 PTE 0 Oops: 0000 [1] SMP last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:05:02.0/resource CPU 1 Modules linked in: nf_conntrack_irc xt_state iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack ip_tables x_tables vfat fat usbhid ehci_hcd uhci_hcd usbcore sr_mod cdrom [last unloaded: fb] Pid: 21205, comm: ls Not tainted 2.6.25-rc8-mm2 #14 RIP: 0010:[<ffffffff802b92a1>] [<ffffffff802b92a1>] proc_get_inode+0x101/0x130 RSP: 0018:ffff81017c4bfc78 EFLAGS: 00010246 RAX: 0000000000008000 RBX: ffff8101787f5470 RCX: 0000000048011ccc RDX: ffffffffa0094320 RSI: ffff810006ad43b0 RDI: ffff81017fc2cc00 RBP: ffff81017e450300 R08: 0000000000000002 R09: ffff81017c5d1000 R10: 0000000000000000 R11: 0000000000000246 R12: ffff81016b903a28 R13: ffff81017f822020 R14: ffff81017c4bfd58 R15: ffff81017f822020 FS: 00007f08e71696f0(0000) GS:ffff81017fc06480(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: ffffffffa0094370 CR3: 000000017e54a000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process ls (pid: 21205, threadinfo ffff81017c4be000, task ffff81017de48770) Stack: ffff81017c5d1000 00000000ffffffea ffff81017e450300 ffffffff802bdd1e ffff81017f802258 ffff81017c4bfe48 ffff81016b903a28 ffff81017f822020 ffff81017c4bfd48 ffffffff802b9ba0 ffff81016b903a28 ffff81017f802258 Call Trace: [<ffffffff802bdd1e>] ? proc_lookup_de+0x8e/0x100 [<ffffffff802b9ba0>] ? proc_root_lookup+0x20/0x60 [<ffffffff802882a7>] ? do_lookup+0x1b7/0x210 [<ffffffff8028883d>] ? __link_path_walk+0x53d/0x7f0 [<ffffffff80295eb8>] ? mntput_no_expire+0x28/0x130 [<ffffffff80288b4a>] ? path_walk+0x5a/0xc0 [<ffffffff80288dd3>] ? do_path_lookup+0x83/0x1c0 [<ffffffff80287785>] ? getname+0xe5/0x210 [<ffffffff80289adb>] ? __user_walk_fd+0x4b/0x80 [<ffffffff8028236c>] ? vfs_lstat_fd+0x2c/0x70 [<ffffffff8028bf1e>] ? filldir+0xae/0xf0 [<ffffffff802b92e9>] ? de_put+0x9/0x50 [<ffffffff8029633d>] ? mnt_want_write+0x2d/0x80 [<ffffffff8029339f>] ? touch_atime+0x1f/0x170 [<ffffffff802b9b1d>] ? proc_root_readdir+0x7d/0xa0 [<ffffffff802825e7>] ? sys_newlstat+0x27/0x50 [<ffffffff8028bffb>] ? vfs_readdir+0x9b/0xd0 [<ffffffff8028c0fe>] ? sys_getdents+0xce/0xe0 [<ffffffff8020b39b>] ? system_call_after_swapgs+0x7b/0x80 Code: b7 83 b2 00 00 00 25 00 f0 00 00 3d 00 80 00 00 74 19 48 89 93 f0 00 00 00 48 89 df e8 39 9a fd ff 48 89 d8 48 83 c4 08 5b 5d c3 <48> 83 7a 50 00 48 c7 c0 60 16 45 80 48 c7 c2 40 17 45 80 48 0f RIP [<ffffffff802b92a1>] proc_get_inode+0x101/0x130 RSP <ffff81017c4bfc78> CR2: ffffffffa0094370 ---[ end trace c71hiarjan8ab739 ]--- Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> "Antonino A. Daplas" <adaplas@pol.net> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 3c4ded9
Tip revision: c43f89c2084f46e3ec59ddcbc52ecf4b1e9b015a authored by Alexey Dobriyan on 15 April 2008, 21:34:33 UTC
fbdev: fix /proc/fb oops after module removal
fbdev: fix /proc/fb oops after module removal
Tip revision: c43f89c
| File | Mode | Size |
|---|---|---|
| async_tx | ||
| Kconfig | -rw-r--r-- | 17.0 KB |
| Makefile | -rw-r--r-- | 2.4 KB |
| ablkcipher.c | -rw-r--r-- | 8.8 KB |
| aead.c | -rw-r--r-- | 12.2 KB |
| aes_generic.c | -rw-r--r-- | 12.1 KB |
| algapi.c | -rw-r--r-- | 14.1 KB |
| anubis.c | -rw-r--r-- | 27.8 KB |
| api.c | -rw-r--r-- | 9.7 KB |
| arc4.c | -rw-r--r-- | 2.0 KB |
| authenc.c | -rw-r--r-- | 12.9 KB |
| blkcipher.c | -rw-r--r-- | 19.0 KB |
| blowfish.c | -rw-r--r-- | 17.4 KB |
| camellia.c | -rw-r--r-- | 35.2 KB |
| cast5.c | -rw-r--r-- | 34.1 KB |
| cast6.c | -rw-r--r-- | 21.5 KB |
| cbc.c | -rw-r--r-- | 7.4 KB |
| ccm.c | -rw-r--r-- | 21.5 KB |
| chainiv.c | -rw-r--r-- | 7.9 KB |
| cipher.c | -rw-r--r-- | 3.3 KB |
| compress.c | -rw-r--r-- | 1.3 KB |
| crc32c.c | -rw-r--r-- | 2.6 KB |
| cryptd.c | -rw-r--r-- | 9.2 KB |
| crypto_null.c | -rw-r--r-- | 4.6 KB |
| cryptomgr.c | -rw-r--r-- | 4.4 KB |
| ctr.c | -rw-r--r-- | 10.8 KB |
| deflate.c | -rw-r--r-- | 5.4 KB |
| des_generic.c | -rw-r--r-- | 35.3 KB |
| digest.c | -rw-r--r-- | 3.7 KB |
| ecb.c | -rw-r--r-- | 4.9 KB |
| eseqiv.c | -rw-r--r-- | 6.2 KB |
| fcrypt.c | -rw-r--r-- | 18.0 KB |
| gcm.c | -rw-r--r-- | 19.8 KB |
| gf128mul.c | -rw-r--r-- | 13.2 KB |
| hash.c | -rw-r--r-- | 2.7 KB |
| hmac.c | -rw-r--r-- | 6.8 KB |
| internal.h | -rw-r--r-- | 3.8 KB |
| khazad.c | -rw-r--r-- | 51.8 KB |
| lrw.c | -rw-r--r-- | 7.6 KB |
| lzo.c | -rw-r--r-- | 2.4 KB |
| md4.c | -rw-r--r-- | 6.2 KB |
| md5.c | -rw-r--r-- | 7.2 KB |
| michael_mic.c | -rw-r--r-- | 3.5 KB |
| pcbc.c | -rw-r--r-- | 7.7 KB |
| proc.c | -rw-r--r-- | 2.8 KB |
| salsa20_generic.c | -rw-r--r-- | 7.2 KB |
| scatterwalk.c | -rw-r--r-- | 2.9 KB |
| seed.c | -rw-r--r-- | 17.4 KB |
| seqiv.c | -rw-r--r-- | 8.2 KB |
| serpent.c | -rw-r--r-- | 19.7 KB |
| sha1_generic.c | -rw-r--r-- | 3.1 KB |
| sha256_generic.c | -rw-r--r-- | 12.1 KB |
| sha512.c | -rw-r--r-- | 9.5 KB |
| tcrypt.c | -rw-r--r-- | 45.4 KB |
| tcrypt.h | -rw-r--r-- | 343.5 KB |
| tea.c | -rw-r--r-- | 7.1 KB |
| tgr192.c | -rw-r--r-- | 31.1 KB |
| twofish.c | -rw-r--r-- | 6.2 KB |
| twofish_common.c | -rw-r--r-- | 37.7 KB |
| wp512.c | -rw-r--r-- | 60.3 KB |
| xcbc.c | -rw-r--r-- | 9.0 KB |
| xor.c | -rw-r--r-- | 3.6 KB |
| xts.c | -rw-r--r-- | 7.1 KB |
Computing file changes ...
