Description of problem: rsync generated an oops which locked the machine up shortly after the oops occurred. Version-Release number of selected component (if applicable): How reproducible: Only saw it once. Steps to Reproduce: 1. Rsync a few gigs of files from on directory to another on the same file system. Actual results: kernel oops and then a lock-up. Aug 31 19:54:59 badboy kernel: [46385.700109] BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 Aug 31 19:54:59 badboy kernel: [46385.700114] IP: [<ffffffff81233194>] ext4_ext_remove_space+0xa34/0xdf0 Aug 31 19:54:59 badboy kernel: [46385.700118] PGD 12b0ca067 PUD 600a5d067 PMD 0 Aug 31 19:54:59 badboy kernel: [46385.700121] Oops: 0000 [#1] SMP Aug 31 19:54:59 badboy kernel: [46385.700123] CPU 3 Aug 31 19:54:59 badboy kernel: [46385.700124] Modules linked in: w83627ehf hwmon_vid snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev media snd_hda_codec_hdmi nvidia(PO) snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm coretemp snd_page_alloc kvm_intel i7core_edac kvm i2c_i801 i2c_core edac_core e1000e snd_timer iTCO_wdt iTCO_vendor_support lpc_ich mfd_core microcode serio_raw snd soundcore vboxnetadp(O) vboxnetflt(O) vboxdrv(O) nfsd nfs_acl auth_rpcgss lockd binfmt_misc sunrpc usb_storage ata_generic pata_acpi crc32c_intel pata_jmicron firewire_ohci firewire_core crc_itu_t [last unloaded: scsi_wait_scan] Aug 31 19:54:59 badboy kernel: [46385.700152] Aug 31 19:54:59 badboy kernel: [46385.700153] Pid: 22740, comm: rsync Tainted: P C O 3.5.2-3.fc17.x86_64 #1 System manufacturer System Product Name/Rampage III Formula Aug 31 19:54:59 badboy kernel: [46385.700156] RIP: 0010:[<ffffffff81233194>] [<ffffffff81233194>] ext4_ext_remove_space+0xa34/0xdf0 Aug 31 19:54:59 badboy kernel: [46385.700158] RSP: 0018:ffff880600bf3b78 EFLAGS: 00010246 Aug 31 19:54:59 badboy kernel: [46385.700160] RAX: 0000000000000000 RBX: ffff880127629c70 RCX: 00000000394ea000 Aug 31 19:54:59 badboy kernel: [46385.700161] RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffff880605de3400 Aug 31 19:54:59 badboy kernel: [46385.700162] RBP: ffff880600bf3c68 R08: 00000000394ea000 R09: ffff8805fbde0900 Aug 31 19:54:59 badboy kernel: [46385.700163] R10: 00000000f9070401 R11: 0000000000000000 R12: 0000000000000001 Aug 31 19:54:59 badboy kernel: [46385.700164] R13: ffff8805fbde0930 R14: 0000000000000000 R15: ffff880127629c70 Aug 31 19:54:59 badboy kernel: [46385.700166] FS: 00007f80eb840740(0000) GS:ffff88063fd80000(0000) knlGS:0000000000000000 Aug 31 19:54:59 badboy kernel: [46385.700167] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Aug 31 19:54:59 badboy kernel: [46385.700168] CR2: 0000000000000028 CR3: 000000061a074000 CR4: 00000000000007e0 Aug 31 19:54:59 badboy kernel: [46385.700170] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Aug 31 19:54:59 badboy kernel: [46385.700171] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Aug 31 19:54:59 badboy kernel: [46385.700172] Process rsync (pid: 22740, threadinfo ffff880600bf2000, task ffff8801ff7c8000) Aug 31 19:54:59 badboy kernel: [46385.700173] Stack: Aug 31 19:54:59 badboy kernel: [46385.700174] ffff880600bf3bb8 ffffffff812364b3 ffff880600bf3bc8 ffff880127629c70 Aug 31 19:54:59 badboy kernel: [46385.700177] ffff88055b786500 ffff880600000002 ffff8801e878d138 ffff880127629bc0 Aug 31 19:54:59 badboy kernel: [46385.700179] ffff88061a0ed400 ffff8805fbde0960 00000000ffffffff ffff8805f90705c8 Aug 31 19:54:59 badboy kernel: [46385.700182] Call Trace: Aug 31 19:54:59 badboy kernel: [46385.700185] [<ffffffff812364b3>] ? __ext4_handle_dirty_metadata+0x83/0x110 Aug 31 19:54:59 badboy kernel: [46385.700188] [<ffffffff81235403>] ext4_ext_truncate+0x193/0x1d0 Aug 31 19:54:59 badboy kernel: [46385.700191] [<ffffffff8120a8ff>] ? ext4_mark_inode_dirty+0x7f/0x1f0 Aug 31 19:54:59 badboy kernel: [46385.700193] [<ffffffff81207e35>] ext4_truncate+0xf5/0x100 Aug 31 19:54:59 badboy kernel: [46385.700195] [<ffffffff8120cd81>] ext4_evict_inode+0x461/0x490 Aug 31 19:54:59 badboy kernel: [46385.700199] [<ffffffff811a1342>] evict+0xa2/0x1a0 Aug 31 19:54:59 badboy kernel: [46385.700201] [<ffffffff811a1543>] iput+0x103/0x1f0 Aug 31 19:54:59 badboy kernel: [46385.700203] [<ffffffff8119d720>] d_kill+0xf0/0x100 Aug 31 19:54:59 badboy kernel: [46385.700205] [<ffffffff8119dd72>] dput+0xe2/0x1b0 Aug 31 19:54:59 badboy kernel: [46385.700207] [<ffffffff81197fde>] sys_renameat+0x1ce/0x230 Aug 31 19:54:59 badboy kernel: [46385.700210] [<ffffffff81192572>] ? path_put+0x22/0x30 Aug 31 19:54:59 badboy kernel: [46385.700212] [<ffffffff811a4e96>] ? mntput+0x26/0x40 Aug 31 19:54:59 badboy kernel: [46385.700214] [<ffffffff81192572>] ? path_put+0x22/0x30 Aug 31 19:54:59 badboy kernel: [46385.700217] [<ffffffff8118706a>] ? sys_fchmodat+0x3a/0x50 Aug 31 19:54:59 badboy kernel: [46385.700219] [<ffffffff8119805b>] sys_rename+0x1b/0x20 Aug 31 19:54:59 badboy kernel: [46385.700223] [<ffffffff81614969>] system_call_fastpath+0x16/0x1b Aug 31 19:54:59 badboy kernel: [46385.700223] Code: 8b 4d 20 0f b7 41 02 48 8d 04 40 48 8d 04 81 49 89 45 18 0f b7 49 02 48 83 c1 01 49 89 4d 00 e9 ae f8 ff ff 0f 1f 00 49 8b 45 28 <48> 8b 40 28 49 89 45 20 e9 85 f8 ff ff 0f 1f 80 00 00 00 00 0f Aug 31 19:54:59 badboy kernel: [46385.700247] RIP [<ffffffff81233194>] ext4_ext_remove_space+0xa34/0xdf0 Aug 31 19:54:59 badboy kernel: [46385.700249] RSP <ffff880600bf3b78> Aug 31 19:54:59 badboy kernel: [46385.700250] CR2: 0000000000000028 Aug 31 19:54:59 badboy kernel: [46385.700252] ---[ end trace 7802a031757b0ef0 ]--- Aug 31 19:54:59 badboy kernel: [46385.983168] audit_printk_skb: 66 callbacks suppressed Aug 31 19:54:59 badboy kernel: [46385.983171] type=1400 audit(1346468099.985:138): avc: denied { mmap_zero } for pid=22821 comm="wine-preloader" scontext=unconfined_u:unconfined_r:wine_t:s0-s0:c0.c1023 tcontext=unconfined_u:unconfined_r:wine_t:s0-s0:c0.c1023 tclass=memprotect
*** This bug has been marked as a duplicate of bug 853875 ***