https://bugzilla.kernel.org/show_bug.cgi?id=38372 Summary: unable to handle kernel NULL pointer dereference in ext3 Product: File System Version: 2.5 Kernel Version: 2.6.37.6 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: ext3 AssignedTo: fs_ext3@xxxxxxxxxxxxxxxxxxxx ReportedBy: rdewit@xxxxxxxxxxxx Regression: No Unable to handle kernel NULL pointer dereference in ext3 after that every read/write on filesystem hangs. System is a dual 4-core Supermicro with 64GB RAM, running 64-bit kernel running on a 32-bit OS using 32-bit compatibility in the kernel. Here's a log, if anything more is needed I'll add it. Jun 27 22:44:46 kernel: BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 Jun 27 22:44:46 kernel: IP: [<ffffffff811e2f35>] rb_insert_color+0x17/0xd9 Jun 27 22:44:46 kernel: PGD 9b570b067 PUD 597522067 PMD 0 Jun 27 22:44:46 kernel: Oops: 0000 [#1] SMP Jun 27 22:44:46 kernel: last sysfs file: /sys/block/sdd/queue/scheduler Jun 27 22:44:46 kernel: CPU 7 Jun 27 22:44:46 kernel: Modules linked in: i2c_dev i2c_core fuse ip6t_LOG ipt_REJECT ipt_LOG xt_limit xt_state xt_mark ip6tabl e_mangle iptable_mangle iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables ip6table_filter ip6_t ables Jun 27 22:44:46 kernel: Jun 27 22:44:46 kernel: Pid: 12128, comm: zsh Tainted: G M 2.6.37.6 #2 Supermicro X8DTU/X8DTU Jun 27 22:44:46 kernel: RIP: 0010:[<ffffffff811e2f35>] [<ffffffff811e2f35>] rb_insert_color+0x17/0xd9 Jun 27 22:44:46 kernel: RSP: 0000:ffff8808179f3ca8 EFLAGS: 00010246 Jun 27 22:44:46 kernel: RAX: ffff880ef08d01c0 RBX: ffff8809b2b947c8 RCX: 0000000000000000 Jun 27 22:44:46 kernel: RDX: ffff8809b2b947d0 RSI: ffff880eb486ce80 RDI: ffff880ef08d01c8 Jun 27 22:44:46 kernel: RBP: 0000000000000000 R08: 0000000043a5870e R09: 000000000e0e7368 Jun 27 22:44:46 kernel: R10: 000000007468732e R11: 000000006c656e67 R12: ffff880ef08d01c8 Jun 27 22:44:46 kernel: R13: ffff880eb486ce80 R14: 000000000000003b R15: ffff88103ba8c540 Jun 27 22:44:46 kernel: FS: 0000000000000000(0000) GS:ffff8800bf5c0000(0063) knlGS:00000000f761d6c0 Jun 27 22:44:46 kernel: CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b Jun 27 22:44:46 kernel: CR2: 0000000000000010 CR3: 0000000c43672000 CR4: 00000000000006e0 Jun 27 22:44:46 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Jun 27 22:44:46 kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Jun 27 22:44:46 kernel: Process zsh (pid: 12128, threadinfo ffff8808179f2000, task ffff880820177300) Jun 27 22:44:46 kernel: Stack: Jun 27 22:44:46 kernel: ffff8809b2b947c8 ffff880c6c0be544 ffff880eb486ce80 0000000041b9c94d Jun 27 22:44:46 kernel: 000000000000003b ffffffff81108d4d ffff880c6c0be544 ffff88103fbfca68 Jun 27 22:44:46 kernel: ffff880c6c0be544 ffff880ed7317cf8 ffff8808179f3db8 ffffffff811108b4 Jun 27 22:44:46 kernel: Call Trace: Jun 27 22:44:46 kernel: [<ffffffff81108d4d>] ? ext3_htree_store_dirent+0xe0/0xef Jun 27 22:44:46 kernel: [<ffffffff811108b4>] ? htree_dirblock_to_tree+0xef/0x144 Jun 27 22:44:46 kernel: [<ffffffff81090b23>] ? file_sb_list_add+0xd/0x42 Jun 27 22:44:46 kernel: [<ffffffff81110983>] ? ext3_htree_fill_tree+0x7a/0x1e6 Jun 27 22:44:46 kernel: [<ffffffff81084963>] ? page_add_new_anon_rmap+0x47/0x6c Jun 27 22:44:46 kernel: [<ffffffff8110887d>] ? ext3_readdir+0x174/0x536 Jun 27 22:44:46 kernel: [<ffffffff810c1912>] ? compat_filldir64+0x0/0xd6 Jun 27 22:44:46 kernel: [<ffffffff8101de7b>] ? do_page_fault+0x31b/0x354 Jun 27 22:44:46 kernel: [<ffffffff810c1912>] ? compat_filldir64+0x0/0xd6 Jun 27 22:44:46 kernel: [<ffffffff8109c8c5>] ? vfs_readdir+0x64/0x9c Jun 27 22:44:46 kernel: [<ffffffff810c3424>] ? compat_sys_getdents64+0x77/0xbf Jun 27 22:44:46 kernel: [<ffffffff814512df>] ? page_fault+0x1f/0x30 Jun 27 22:44:46 kernel: [<ffffffff81021e43>] ? ia32_sysret+0x0/0x5 Jun 27 22:44:46 kernel: Code: 42 10 eb 03 48 89 06 48 8b 17 83 e2 03 48 09 c2 48 89 17 c3 41 56 41 55 49 89 f5 41 54 49 89 fc 55 53 e9 9e 00 00 00 48 83 e5 fc <48> 8b 45 10 48 39 c3 75 41 48 8b 45 08 48 85 c0 74 08 48 8b 10 Jun 27 22:44:46 kernel: RIP [<ffffffff811e2f35>] rb_insert_color+0x17/0xd9 Jun 27 22:44:46 kernel: RSP <ffff8808179f3ca8> Jun 27 22:44:46 kernel: CR2: 0000000000000010 Jun 27 22:44:46 kernel: ---[ end trace 377318b2e1c551de ]--- -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
