* Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote: > sanitize unshare_files/reset_files_struct today's -git started crashing on me in randconfig boot tests: [ 0.124077] BUG: unable to handle kernel NULL pointer dereference at 00000296 [ 0.126981] IP: [<c01217fb>] put_files_struct+0xb/0xa0 [ 0.128981] *pdpt = 0000000000f73001 *pde = 0000000000000000 [ 0.131231] Oops: 0002 [#1] PREEMPT crash log and config at: http://redhat.com/~mingo/misc/log-Sat_Apr_26_11_20_58_CEST_2008.bad http://redhat.com/~mingo/misc/config-Sat_Apr_26_11_20_58_CEST_2008.bad bisected it down to: | 3b1253880b7a9e6db54b943b2d40bcf2202f58ab is first bad commit | commit 3b1253880b7a9e6db54b943b2d40bcf2202f58ab | Author: Al Viro <viro@xxxxxxxxxxxxxxxxxx> | Date: Tue Apr 22 05:31:30 2008 -0400 | | [PATCH] sanitize unshare_files/reset_files_struct find the git-bisect log output below. Ingo -----------------> git-bisect start # bad: [b1721d0da266b4af8cb4419473b4ca36206ab200] v4l/dvb: add statics to avoid multiple definitions git-bisect bad b1721d0da266b4af8cb4419473b4ca36206ab200 # bad: [cf2ec150fc5f59dbf2260863225c79aa0cfc46af] Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linux git-bisect bad cf2ec150fc5f59dbf2260863225c79aa0cfc46af # good: [cf2ec150fc5f59dbf2260863225c79aa0cfc46af] Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linux git-bisect good cf2ec150fc5f59dbf2260863225c79aa0cfc46af # good: [cf2ec150fc5f59dbf2260863225c79aa0cfc46af] Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linux git-bisect good cf2ec150fc5f59dbf2260863225c79aa0cfc46af # bad: [b1721d0da266b4af8cb4419473b4ca36206ab200] v4l/dvb: add statics to avoid multiple definitions git-bisect bad b1721d0da266b4af8cb4419473b4ca36206ab200 # good: [ad5e1b0f5d913d2c8bddfba81049cc07228da1a6] Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild git-bisect good ad5e1b0f5d913d2c8bddfba81049cc07228da1a6 # good: [4953d141dc5db748475001cfbfdcc42e66cf900e] usb: don't update devnum for wusb devices git-bisect good 4953d141dc5db748475001cfbfdcc42e66cf900e # good: [bf16ae250999e76aff0491a362073a552db965fc] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86-pat git-bisect good bf16ae250999e76aff0491a362073a552db965fc # good: [6ec859e1b21ab42bfc36bb3b51db275480165c8a] [POWERPC] celleb: Consolidate io-workarounds code git-bisect good 6ec859e1b21ab42bfc36bb3b51db275480165c8a # good: [f360bf0015e5b3e82be61c68e0863b3f98852ee2] [POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore git-bisect good f360bf0015e5b3e82be61c68e0863b3f98852ee2 # good: [6e18933f2b6156d0a0ec9d5522ab6a6033cf7241] Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6 git-bisect good 6e18933f2b6156d0a0ec9d5522ab6a6033cf7241 # bad: [f8f95702f0c4529b0f59488f4509608f0c160e77] sanitize locate_fd() git-bisect bad f8f95702f0c4529b0f59488f4509608f0c160e77 # good: [6b335d9c80d7f3c2a3f6545f664ae9007a0f3821] close race in unshare_files() git-bisect good 6b335d9c80d7f3c2a3f6545f664ae9007a0f3821 # bad: [3b1253880b7a9e6db54b943b2d40bcf2202f58ab] sanitize unshare_files/reset_files_struct git-bisect bad 3b1253880b7a9e6db54b943b2d40bcf2202f58ab # good: [fd8328be874f4190a811c58cd4778ec2c74d2c05] sanitize handling of shared descriptor tables in failing execve() git-bisect good fd8328be874f4190a811c58cd4778ec2c74d2c05 -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
