(switched to email. Please respond via emailed reply-to-all, not via the bugzilla web interface). On Mon, 9 May 2011 13:09:18 GMT bugzilla-daemon@xxxxxxxxxxxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=34732 > > Summary: BUG: unable to handle kernel NULL pointer dereference > at 00000020 > Product: File System > Version: 2.5 > Kernel Version: 2.6.39-rc6-00569-g5895198-dirty > Platform: All > OS/Version: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: VFS > AssignedTo: fs_vfs@xxxxxxxxxxxxxxxxxxxx > ReportedBy: baryluk@xxxxxxxxxxxxxxxx > Regression: No I assume this is a post-2.6.38 regression. I can't begin to think what might cause this. Is it reproducible? > > > When ressuming from suspend I got: > > [168878.711615] IP: [<c1286822>] fuse_dentry_revalidate+0x82/0x320 > [168878.711748] *pdpt = 000000002deb5001 *pde = 0000000000000000 > [168878.711875] Oops: 0000 [#1] PREEMPT SMP > [168878.711971] last sysfs file: > /sys/devices/virtual/net/teredo/statistics/collisions > [168878.712012] Modules linked in: ufs vfat fat isofs vboxnetadp vboxnetflt > nfsd ebtable_nat ebtables lib80211_crypt_ccmp uinput xcbc hdaps tp_smapi > thinkpad_ec radeonfb fb_ddc radeon ttm drm_kms_helper drm ipw2200 intel_agp > intel_gtt libipw i2c_algo_bit i2c_i801 agpgart rng_core cfbfillrect cfbcopyarea > cfbimgblt video raid10 raid1 raid0 linear md_mod vboxdrv > [168878.712012] > [168878.712012] Pid: 25504, comm: alarmclock Tainted: G W > 2.6.39-rc6-00569-g5895198-dirty #22 IBM 2669UYD/2669UYD > [168878.712012] EIP: 0060:[<c1286822>] EFLAGS: 00010282 CPU: 0 > [168878.712012] EIP is at fuse_dentry_revalidate+0x82/0x320 > [168878.712012] EAX: c9a96080 EBX: 00000000 ECX: 028313a5 EDX: 00000000 > [168878.712012] ESI: 02295a2d EDI: 00000001 EBP: f4035d18 ESP: f4035c68 > [168878.712012] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > [168878.712012] Process alarmclock (pid: 25504, ti=f4034000 task=ce2587e0 > task.ti=f4034000) > [168878.712012] Stack: > [168878.712012] 00000000 00000002 00000000 00000000 c115f708 ce2587e0 00000054 > cc3ba5fc > [168878.712012] c9a96080 00000054 c115f790 f4035cbc 00000246 00000001 c178e7cd > 00000246 > [168878.712012] f4035cb0 c1a28f30 cc3ba5fc 00000054 cc3ba5fc f4035d04 c115f7a9 > 00000002 > [168878.712012] Call Trace: > [168878.712012] [<c115f708>] ? __d_lookup+0xe8/0x230 > [168878.712012] [<c115f790>] ? __d_lookup+0x170/0x230 > [168878.712012] [<c178e7cd>] ? sub_preempt_count.part.170+0x4d/0x90 > [168878.712012] [<c115f7a9>] ? __d_lookup+0x189/0x230 > [168878.712012] [<c115f620>] ? __d_lookup_rcu+0x1f0/0x1f0 > [168878.712012] [<c115f87c>] ? d_lookup+0x2c/0x50 > [168878.712012] [<c115239a>] __lookup_hash.part.11+0x4a/0x90 > [168878.712012] [<c11524c4>] lookup_one_len+0xe4/0x170 > [168878.712012] [<c1225fed>] ecryptfs_lookup+0xfd/0x1b0 > [168878.712012] [<c11518f7>] d_alloc_and_lookup+0x37/0x70 > [168878.712012] [<c1152e2b>] do_lookup+0x18b/0x250 > [168878.712012] [<c12aa50d>] ? security_inode_permission+0x1d/0x30 > [168878.712012] [<c115407b>] link_path_walk+0x16b/0x900 > [168878.712012] [<c11554be>] path_lookupat+0x4e/0x740 > [168878.712012] [<c1117a11>] ? might_fault+0x91/0xa0 > [168878.712012] [<c11179cb>] ? might_fault+0x4b/0xa0 > [168878.712012] [<c132d3f8>] ? strncpy_from_user+0x38/0x70 > [168878.712012] [<c1155bdc>] do_path_lookup+0x2c/0xb0 > [168878.712012] [<c115602b>] user_path_at+0x3b/0x70 > [168878.712012] [<c178e430>] ? do_page_fault+0x1d0/0x520 > [168878.712012] [<c114c1f9>] vfs_fstatat+0x59/0x90 > [168878.712012] [<c114c250>] vfs_lstat+0x20/0x30 > [168878.712012] [<c114c516>] sys_lstat64+0x16/0x30 > [168878.712012] [<c178e7cd>] ? sub_preempt_count.part.170+0x4d/0x90 > [168878.712012] [<c10bbcac>] ? audit_syscall_entry+0x2ac/0x2d0 > [168878.712012] [<c132ce98>] ? trace_hardirqs_on_thunk+0xc/0x10 > [168878.712012] [<c17921d8>] sysenter_do_call+0x12/0x38 > [168878.712012] Code: 01 00 00 00 8b 5d f4 89 d0 8b 75 f8 8b 7d fc 89 ec 5d c3 > 8d b6 00 00 00 00 0f 86 62 01 00 00 8b 85 70 ff ff ff 31 d2 85 c0 74 d9 <f6> 43 > 20 40 ba f6 ff ff ff 75 ce 8b 95 70 ff ff ff 8b 42 10 8b > [168878.712012] EIP: [<c1286822>] fuse_dentry_revalidate+0x82/0x320 SS:ESP > 0068:f4035c68 > [168878.712012] CR2: 0000000000000020 > [168878.784616] ---[ end trace 7d87d515c294ab86 ]--- > > > # uname -a > Linux sredniczarny 2.6.39-rc6-00569-g5895198-dirty #22 SMP PREEMPT Thu May 5 > 20:10:35 CEST 2011 i686 GNU/Linux > # > > # (dirty only because of modified Makefile) > > compiled using gcc 4.6.0-3 on i386. > > # cat /proc/mounts > rootfs / rootfs rw 0 0 > none /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 > none /proc proc rw,nosuid,nodev,noexec,relatime 0 0 > none /dev devtmpfs rw,relatime,size=1024196k,nr_inodes=216465,mode=755 0 0 > none /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0 > /dev/mapper/sredniczarny-root / ext4 > rw,relatime,user_xattr,acl,barrier=1,nodelalloc,data=journal 0 0 > tmpfs /lib/init/rw tmpfs rw,nosuid,relatime,mode=755 0 0 > varrun /var/run tmpfs rw,nosuid,relatime,mode=755 0 0 > varlock /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0 > tmpfs /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0 > varrun /var/run tmpfs rw,nosuid,relatime,mode=755 0 0 > varlock /var/lock tmpfs rw,nosuid,nodev,noexec,relatime 0 0 > /dev/sda1 /boot ext3 > rw,relatime,errors=continue,commit=5,barrier=1,data=ordered 0 0 > /dev/mapper/sredniczarny-tmp /tmp ext4 > rw,relatime,user_xattr,acl,barrier=1,data=ordered 0 0 > /dev/mapper/sredniczarny-usr /usr ext4 > rw,relatime,user_xattr,acl,barrier=1,nodelalloc,data=journal 0 0 > /dev/mapper/sredniczarny-var /var ext4 > rw,relatime,user_xattr,acl,barrier=1,nodelalloc,data=journal 0 0 > /dev/mapper/sredniczarny-home /home ext4 > rw,relatime,user_xattr,acl,barrier=1,nodelalloc,data=journal 0 0 > fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0 > sctank2 /sctank2 fuse rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Books /sctank2/Books fuse rw,relatime,user_id=0,group_id=0,allow_other > 0 0 > sctank2/Dane /sctank2/Dane fuse rw,relatime,user_id=0,group_id=0,allow_other 0 > 0 > sctank2/Download /sctank2/Download fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Filmy /sctank2/Filmy fuse rw,relatime,user_id=0,group_id=0,allow_other > 0 0 > sctank2/Muzyka /sctank2/Muzyka fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/MuzykaMod /sctank2/MuzykaMod fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Projekty /sctank2/Projekty fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Studia /sctank2/Studia fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/System /sctank2/System fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Users /sctank2/Users fuse rw,relatime,user_id=0,group_id=0,allow_other > 0 0 > sctank2/Users/baryluk /sctank2/Users/baryluk fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Users/baryluk-www /sctank2/Users/baryluk-www fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Users/baryluk-www/osis-attachments > /sctank2/Users/baryluk-www/osis-attachments fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Users/baryluk/.Private /sctank2/Users/baryluk/.Private fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Users/baryluk/.wine_drive_c /sctank2/Users/baryluk/.wine_drive_c fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/Users/scpguest /sctank2/Users/scpguest fuse > rw,relatime,user_id=0,group_id=0,allow_other 0 0 > sctank2/VMs /sctank2/VMs fuse rw,relatime,user_id=0,group_id=0,allow_other 0 0 > binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc > rw,nosuid,nodev,noexec,relatime 0 0 > cgroup /sys/fs/cgroup cgroup rw,relatime,cpu 0 0 > cgroup /sys/fs/cgroup/cpuacct cgroup rw,relatime,cpuacct 0 0 > cgroup /sys/fs/cgroup/devices cgroup rw,relatime,devices 0 0 > nfsd /proc/fs/nfsd nfsd rw,relatime 0 0 > /dev/sr0 /media/cdrom0 iso9660 ro,relatime 0 0 > /home/baryluk/.Private /home/baryluk/Private ecryptfs > rw,relatime,ecryptfs_fnek_sig=ca3ffc95d0fb0164,ecryptfs_sig=e4765846879e2bfb,ecryptfs_cipher=aes,ecryptfs_key_bytes=16 > 0 0 > # > > .config attached. > -- 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
