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Date: Wed, 19 Jun 2013 00:01:39 +0300 From: Jussi Kivilinna <jussi.kivilinna@....fi> To: Fengguang Wu <fengguang.wu@...el.com> CC: Herbert Xu <herbert@...dor.apana.org.au>, Jussi Kivilinna <jussi.kivilinna@...et.fi>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [cryptomgr_test] BUG: unable to handle kernel NULL pointer dereference at (null) Hello, Appears to be caused by some memory corruption. Changing from SLOB allocator to SLUB made this crash disappear. Some different crashes with same config: [ 0.246152] cryptomgr_test (23) used greatest stack depth: 6400 bytes left [ 0.246929] cryptomgr_test (24) used greatest stack depth: 5384 bytes left [ 0.248851] modprobe (33) used greatest stack depth: 5376 bytes left [ 0.250351] alg: No test for crc32 (crc32-pclmul) [ 0.251669] BUG: unable to handle kernel paging request at ffff882006646e18 [ 0.252007] IP: [<ffffffff81085f07>] task_active_pid_ns+0x17/0x30 [ 0.252007] PGD 2af8067 PUD 0 [ 0.252007] Oops: 0000 [#1] SMP [ 0.252007] Modules linked in: [ 0.252007] CPU: 0 PID: 43 Comm: kworker/u2:1 Not tainted 3.10.0-rc1-crash1-00048-gf9a31a2 #24 [ 0.252007] task: ffff880006694000 ti: ffff880006698000 task.ti: ffff880006698000 [ 0.252007] RIP: 0010:[<ffffffff81085f07>] [<ffffffff81085f07>] task_active_pid_ns+0x17/0x30 [ 0.252007] RSP: 0018:ffff880006699dd8 EFLAGS: 00010002 [ 0.252007] RAX: ffff880006646e00 RBX: ffff880006694000 RCX: 0000000000000001 [ 0.252007] RDX: 0000001fffffffe0 RSI: 0000000000098000 RDI: ffff880006655000 [ 0.252007] RBP: ffff880006699dd8 R08: 000000000000000d R09: ffff8800066945d0 [ 0.252007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000011 [ 0.252007] R13: 0000000000000000 R14: ffff88000704c000 R15: ffff880006693ff0 [ 0.252007] FS: 0000000000000000(0000) GS:ffff880007c00000(0000) knlGS:0000000000000000 [ 0.252007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.252007] CR2: ffff882006646e18 CR3: 0000000002015000 CR4: 00000000001407f0 [ 0.252007] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.252007] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 0.252007] Stack: [ 0.252007] ffff880006699e98 ffffffff81078054 ffffffff81077fc2 0000000000000011 [ 0.252007] 0000000000000000 0000000000000000 0000000000000000 ffff880006699e78 [ 0.252007] 0000000000000046 0000000000000000 ffffffff8106c5ef 0000000000000000 [ 0.252007] Call Trace: [ 0.252007] [<ffffffff81078054>] do_notify_parent+0x114/0x580 [ 0.252007] [<ffffffff81077fc2>] ? do_notify_parent+0x82/0x580 [ 0.252007] [<ffffffff8106c5ef>] ? do_exit+0x80f/0xa20 [ 0.252007] [<ffffffff8106c6be>] do_exit+0x8de/0xa20 [ 0.252007] [<ffffffff8107f628>] wait_for_helper+0x98/0xa0 [ 0.252007] [<ffffffff8107f590>] ? call_helper+0x20/0x20 [ 0.252007] [<ffffffff8196207c>] ret_from_fork+0x7c/0xb0 [ 0.252007] [<ffffffff8107f590>] ? call_helper+0x20/0x20 [ 0.252007] Code: 1f 44 00 00 5d c3 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 48 8b 87 48 02 00 00 55 48 89 e5 48 85 c0 74 10 8b 50 04 48 c1 e2 05 <48> 8b 44 10 38 eb 0a 66 90 31 c0 66 0f 1f 44 00 00 5d c3 66 0f [ 0.252007] RIP [<ffffffff81085f07>] task_active_pid_ns+0x17/0x30 [ 0.252007] RSP <ffff880006699dd8> [ 0.252007] CR2: ffff882006646e18 [ 0.252007] ---[ end trace 7caca246688ed8b9 ]--- [ 0.252007] Kernel panic - not syncing: Fatal exception ... [ 0.328072] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 0.328683] BUG: unable to handle kernel paging request at ffff88000644cd98 [ 0.329227] IP: [<ffff88000644cd98>] 0xffff88000644cd97 [ 0.329690] PGD 2af8067 PUD 2af9067 PMD 80000000064001e3 [ 0.330182] Oops: 0011 [#1] SMP [ 0.330449] Modules linked in: [ 0.330694] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.10.0-rc1-crash1-00048-gf9a31a2 #24 [ 0.331314] task: ffff88000644d000 ti: ffff88000644e000 task.ti: ffff88000644e000 [ 0.331899] RIP: 0010:[<ffff88000644cd98>] [<ffff88000644cd98>] 0xffff88000644cd97 [ 0.332004] RSP: 0018:ffff880007d03eb8 EFLAGS: 00010296 [ 0.332004] RAX: ffff88000644cd98 RBX: ffff880007d0e880 RCX: 0000000000000002 [ 0.332004] RDX: ffff880006a82560 RSI: ffff88000644d5d0 RDI: ffff880006a82560 [ 0.332004] RBP: ffff880007d03f20 R08: 0000000000000002 R09: 0000000000000000 [ 0.332004] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8203d000 [ 0.332004] R13: ffff880006a6dd40 R14: 000000000000000a R15: 0000000000000008 [ 0.332004] FS: 0000000000000000(0000) GS:ffff880007d00000(0000) knlGS:0000000000000000 [ 0.332004] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.332004] CR2: ffff88000644cd98 CR3: 0000000002015000 CR4: 00000000001407e0 [ 0.332004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.332004] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 0.332004] Stack: [ 0.332004] ffffffff810db172 ffff880005252e80 ffff88000644d000 ffff8800070bfe80 [ 0.332004] ffff88000644d000 ffff88000644ffd8 ffff880007d0e8a8 0000000000000000 [ 0.332004] ffff88000644ffd8 0000000000000009 0000000000000101 ffffffff82007048 [ 0.332004] Call Trace: [ 0.332004] <IRQ> [ 0.332004] [<ffffffff810db172>] ? rcu_process_callbacks+0x322/0x5a0 [ 0.332004] [<ffffffff8106e8b0>] __do_softirq+0xd0/0x1a0 [ 0.332004] [<ffffffff8106eac9>] irq_exit+0x59/0xb0 [ 0.332004] [<ffffffff810219ea>] smp_apic_timer_interrupt+0x8a/0xa0 [ 0.332004] [<ffffffff81962eaf>] apic_timer_interrupt+0x6f/0x80 [ 0.332004] <EOI> [ 0.332004] [<ffffffff810b549e>] ? __lock_acquire+0xaee/0xcc0 [ 0.332004] [<ffffffff810b5c82>] ? lock_acquire+0xc2/0xe0 [ 0.332004] [<ffffffff81190d3d>] ? sysfs_addrm_start+0x1d/0x20 [ 0.332004] [<ffffffff8195e459>] mutex_lock_nested+0x69/0x3a0 [ 0.332004] [<ffffffff81190d3d>] ? sysfs_addrm_start+0x1d/0x20 [ 0.332004] [<ffffffff81961332>] ? _raw_spin_unlock+0x22/0x40 [ 0.332004] [<ffffffff81190c70>] ? sysfs_new_dirent+0xa0/0x150 [ 0.332004] [<ffffffff81190d3d>] sysfs_addrm_start+0x1d/0x20 [ 0.332004] [<ffffffff811910ba>] create_dir+0x6a/0xd0 [ 0.332004] [<ffffffff81191472>] sysfs_create_dir+0xc2/0xf0 [ 0.332004] [<ffffffff812b7d2a>] kobject_add_internal+0xda/0x210 [ 0.332004] [<ffffffff812b82ec>] kobject_add+0xac/0xe0 [ 0.332004] [<ffffffff81380b07>] device_add+0xf7/0x690 [ 0.332004] [<ffffffff8108b181>] ? __init_waitqueue_head+0x41/0x60 [ 0.332004] [<ffffffff813810b5>] device_register+0x15/0x20 [ 0.332004] [<ffffffff8135b220>] tty_register_device_attr+0x1a0/0x210 [ 0.332004] [<ffffffff810b33fd>] ? trace_hardirqs_on+0xd/0x10 [ 0.332004] [<ffffffff8135b29e>] tty_register_device+0xe/0x10 [ 0.332004] [<ffffffff8135b3da>] tty_register_driver+0x13a/0x220 [ 0.332004] [<ffffffff8135a51e>] ? __tty_alloc_driver+0x11e/0x1a0 [ 0.332004] [<ffffffff8214bbb8>] pty_init+0x176/0x3a3 [ 0.332004] [<ffffffff8214ba42>] ? tty_init+0x12e/0x12e [ 0.332004] [<ffffffff81000282>] do_one_initcall+0x92/0x170 [ 0.332004] [<ffffffff82126fb2>] kernel_init_freeable+0xfc/0x189 [ 0.332004] [<ffffffff821267d8>] ? loglevel+0x31/0x31 [ 0.332004] [<ffffffff819486d0>] ? rest_init+0x150/0x150 [ 0.332004] [<ffffffff819486d9>] kernel_init+0x9/0xf0 [ 0.332004] [<ffffffff8196207c>] ret_from_fork+0x7c/0xb0 [ 0.332004] [<ffffffff819486d0>] ? rest_init+0x150/0x150 [ 0.332004] Code: 00 00 00 18 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00 00 <60> 25 a8 06 00 88 ff ff a8 d8 45 06 00 88 ff ff 00 00 00 00 00 [ 0.332004] RIP [<ffff88000644cd98>] 0xffff88000644cd97 [ 0.332004] RSP <ffff880007d03eb8> [ 0.332004] CR2: ffff88000644cd98 [ 0.332004] ---[ end trace 638bf5007134f6ed ]--- [ 0.332004] Kernel panic - not syncing: Fatal exception in interrupt ... [ 0.251053] alg: No test for crc32 (crc32-pclmul) [ 0.252426] BUG: unable to handle kernel paging request at ffff8800ffffffff [ 0.253010] IP: [<ffffffff81097aa5>] wake_up_process+0x5/0x40 [ 0.253491] PGD 2af8067 PUD 0 [ 0.253777] Oops: 0000 [#1] SMP [ 0.254109] Modules linked in: [ 0.254380] CPU: 0 PID: 42 Comm: cryptomgr_test Not tainted 3.10.0-rc1-crash1-00048-gf9a31a2 #24 [ 0.255104] task: ffff880006684000 ti: ffff880006692000 task.ti: ffff880006692000 [ 0.255718] RIP: 0010:[<ffffffff81097aa5>] [<ffffffff81097aa5>] wake_up_process+0x5/0x40 [ 0.256006] RSP: 0018:ffff880006693978 EFLAGS: 00010082 [ 0.256006] RAX: ffff88000663bec8 RBX: ffff88000663bdc8 RCX: ffff88000663bdd0 [ 0.256006] RDX: 0000000000000001 RSI: ffff88000705d860 RDI: ffff8800ffffffff [ 0.256006] RBP: ffff880006693980 R08: 0000000000000001 R09: 0000000000000001 [ 0.256006] R10: 0000000000000000 R11: 0000000000000000 R12: ffff880007074c00 [ 0.256006] R13: ffff88000705d848 R14: 0000000000000005 R15: 0000000000000000 [ 0.256006] FS: 0000000000000000(0000) GS:ffff880007c00000(0000) knlGS:0000000000000000 [ 0.256006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.256006] CR2: ffff8800ffffffff CR3: 0000000002015000 CR4: 00000000001407f0 [ 0.256006] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 0.256006] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 0.256006] Stack: [ 0.256006] ffff88000663bdc8 ffff880006693990 ffffffff8107fe6f ffff8800066939c8 [ 0.256006] ffffffff810821d3 ffff8800070749c8 ffff880007074c00 ffff88000663bdc8 [ 0.256006] ffff8800070749c8 0000000000000008 ffff880006693a08 ffffffff8108241b [ 0.256006] Call Trace: [ 0.256006] [<ffffffff8107fe6f>] wake_up_worker+0x1f/0x30 [ 0.256006] [<ffffffff810821d3>] insert_work+0xa3/0xc0 [ 0.256006] [<ffffffff8108241b>] __queue_work+0x22b/0x280 [ 0.256006] [<ffffffff810824ed>] queue_work_on+0x5d/0xb0 [ 0.256006] [<ffffffff8107f234>] call_usermodehelper_exec+0x1b4/0x1e0 [ 0.256006] [<ffffffff8107f98c>] __request_module+0x1bc/0x230 [ 0.256006] [<ffffffff81274ae7>] crypto_larval_lookup+0x87/0x180 [ 0.256006] [<ffffffff81274bfe>] crypto_alg_mod_lookup+0x1e/0x70 [ 0.256006] [<ffffffff81274cbc>] crypto_alloc_base+0x3c/0xb0 [ 0.256006] [<ffffffff8128af66>] cryptd_alloc_ablkcipher+0x56/0x90 [ 0.256006] [<ffffffff81031444>] ablk_init_common+0x14/0x30 [ 0.256006] [<ffffffff81031497>] ablk_init+0x37/0x40 [ 0.256006] [<ffffffff81125ee6>] ? __kmalloc_node+0x46/0x90 [ 0.256006] [<ffffffff8127444e>] __crypto_alloc_tfm+0xfe/0x150 [ 0.256006] [<ffffffff81277d4d>] crypto_alloc_ablkcipher+0x6d/0xc0 [ 0.256006] [<ffffffff8127e5b6>] alg_test_skcipher+0x26/0xc0 [ 0.256006] [<ffffffff8127ff85>] alg_test+0x225/0x290 [ 0.256006] [<ffffffff810b33fd>] ? trace_hardirqs_on+0xd/0x10 [ 0.256006] [<ffffffff8127cb00>] ? cryptomgr_probe+0xd0/0xd0 [ 0.256006] [<ffffffff8127cb23>] cryptomgr_test+0x23/0x40 [ 0.256006] [<ffffffff8108a711>] kthread+0xd1/0xe0 [ 0.256006] [<ffffffff8108a640>] ? __init_kthread_worker+0x70/0x70 [ 0.256006] [<ffffffff8196207c>] ret_from_fork+0x7c/0xb0 [ 0.256006] [<ffffffff8108a640>] ? __init_kthread_worker+0x70/0x70 [ 0.256006] Code: 00 48 83 c4 10 44 89 f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 00 55 48 8b 7f 08 48 89 e5 e8 33 fd ff ff 5d c3 90 55 48 89 e5 53 <48> 8b 07 48 89 fb a8 0c 74 11 be 23 06 00 00 48 c7 c7 86 bc d1 [ 0.256006] RIP [<ffffffff81097aa5>] wake_up_process+0x5/0x40 [ 0.256006] RSP <ffff880006693978> [ 0.256006] CR2: ffff8800ffffffff [ 0.256006] ---[ end trace 05f41b3646c55953 ]--- [ 0.256006] Kernel panic - not syncing: Fatal exception -Jussi On 17.06.2013 03:33, Fengguang Wu wrote: > Greetings, > > This seems to be an old bug that dates back at least to v2.6.37 > and is still in linux-next. > > [ 2.045020] cryptomgr_test (34) used greatest stack depth: 4904 bytes left > [ 2.046321] alg: No test for crc32 (crc32-pclmul) > [ 2.050060] BUG: unable to handle kernel NULL pointer dereference at (null) > [ 2.051088] IP: [<ffffffff810a07ac>] wake_up_process+0xc/0x40 > [ 2.051832] PGD 0 > [ 2.052009] Oops: 0000 [#1] SMP > [ 2.052009] Modules linked in: > [ 2.052009] CPU: 1 PID: 46 Comm: cryptomgr_test Not tainted 3.10.0-rc4-00150-g4d3797d #48 > [ 2.052009] task: ffff88000f733000 ti: ffff88000f744000 task.ti: ffff88000f744000 > [ 2.052009] RIP: 0010:[<ffffffff810a07ac>] [<ffffffff810a07ac>] wake_up_process+0xc/0x40 > [ 2.052009] RSP: 0018:ffff88000f7458d8 EFLAGS: 00010096 > [ 2.052009] RAX: ffff88000f6f1670 RBX: 0000000000000000 RCX: ffff88000f722aa8 > [ 2.052009] RDX: 0000000000000001 RSI: ffff88000d859860 RDI: 0000000000000000 > [ 2.052009] RBP: ffff88000f7458e8 R08: 0000000000000001 R09: 0000000000000001 > [ 2.052009] R10: 0000000000000000 R11: 0000000000000002 R12: ffff88000d991200 > [ 2.052009] R13: ffff88000d859848 R14: 0000000000000005 R15: 0000000000000000 > [ 2.052009] FS: 0000000000000000(0000) GS:ffff88000df00000(0000) knlGS:0000000000000000 > [ 2.052009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 2.052009] CR2: 0000000000000000 CR3: 0000000002015000 CR4: 00000000000407e0 > [ 2.052009] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [ 2.052009] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > [ 2.052009] Stack: > [ 2.052009] ffff88000f7458f8 ffff88000f722aa0 ffff88000f7458f8 ffffffff810888bf > [ 2.052009] ffff88000f745938 ffffffff8108acf3 ffff88000f745938 ffffffff81977854 > [ 2.052009] ffff88000d991200 ffff88000f722aa0 ffff88000d991008 0000000000000008 > [ 2.052009] Call Trace: > [ 2.052009] [<ffffffff810888bf>] wake_up_worker+0x1f/0x30 > [ 2.052009] [<ffffffff8108acf3>] insert_work+0xa3/0xc0 > [ 2.052009] [<ffffffff81977854>] ? _raw_spin_lock+0x44/0x50 > [ 2.052009] [<ffffffff8108af3b>] __queue_work+0x22b/0x280 > [ 2.052009] [<ffffffff8108b00d>] queue_work_on+0x5d/0xb0 > [ 2.052009] [<ffffffff81087c64>] call_usermodehelper_exec+0x1c4/0x1f0 > [ 2.052009] [<ffffffff810883c6>] __request_module+0x1c6/0x230 > [ 2.052009] [<ffffffff8109714e>] ? up_read+0x1e/0x40 > [ 2.052009] [<ffffffff81280387>] crypto_larval_lookup+0x87/0x180 > [ 2.052009] [<ffffffff8128049e>] crypto_alg_mod_lookup+0x1e/0x70 > [ 2.052009] [<ffffffff8128055c>] crypto_alloc_base+0x3c/0xb0 > [ 2.052009] [<ffffffff81296686>] cryptd_alloc_ablkcipher+0x56/0x90 > [ 2.052009] [<ffffffff810314b8>] ablk_init_common+0x18/0x40 > [ 2.052009] [<ffffffff81031517>] ablk_init+0x37/0x40 > [ 2.052009] [<ffffffff8112f136>] ? __kmalloc_node+0x46/0x90 > [ 2.052009] [<ffffffff8127fcce>] __crypto_alloc_tfm+0xfe/0x150 > [ 2.052009] [<ffffffff8128361d>] crypto_alloc_ablkcipher+0x6d/0xc0 > [ 2.052009] [<ffffffff81289e76>] alg_test_skcipher+0x26/0xc0 > [ 2.052009] [<ffffffff8128b65b>] alg_test+0x18b/0x1f0 > [ 2.052009] [<ffffffff819781c5>] ? _raw_spin_unlock_irqrestore+0x55/0x80 > [ 2.052009] [<ffffffff810bc33d>] ? trace_hardirqs_on+0xd/0x10 > [ 2.052009] [<ffffffff81288490>] ? cryptomgr_probe+0xd0/0xd0 > [ 2.052009] [<ffffffff812884b7>] cryptomgr_test+0x27/0x50 > [ 2.052009] [<ffffffff810932f1>] kthread+0xd1/0xe0 > [ 2.052009] [<ffffffff8197821b>] ? _raw_spin_unlock_irq+0x2b/0x50 > [ 2.052009] [<ffffffff81093220>] ? __init_kthread_worker+0x70/0x70 > [ 2.052009] [<ffffffff81978ebc>] ret_from_fork+0x7c/0xb0 > [ 2.052009] [<ffffffff81093220>] ? __init_kthread_worker+0x70/0x70 > [ 2.052009] Code: f0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 00 55 48 8b 7f 08 48 89 e5 e8 33 fd ff ff 5d c3 90 55 48 89 e5 53 48 89 fb 48 83 ec 08 <48> 8b 07 a8 0c 74 15 be 23 06 00 00 48 c7 c7 98 e1 d1 81 e8 bc > [ 2.052009] RIP [<ffffffff810a07ac>] wake_up_process+0xc/0x40 > [ 2.052009] RSP <ffff88000f7458d8> > [ 2.052009] CR2: 0000000000000000 > [ 2.052009] ---[ end trace 32e990773010885e ]--- > > git bisect bad 4d3797d7e1861ac1af150a6189315786c5e1c820 # 04:04 0- Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net > git bisect bad 4d3797d7e1861ac1af150a6189315786c5e1c820 # 04:05 0- Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net > git bisect bad c1be5a5b1b355d40e6cf79cc979eb66dafa24ad1 # 04:06 0- Linux 3.9 > git bisect bad 19f949f52599ba7c3f67a5897ac6be14bfcb1200 # 04:06 0- Linux 3.8 > git bisect bad 29594404d7fe73cd80eaa4ee8c43dcc53970c60e # 04:06 0- Linux 3.7 > git bisect bad a0d271cbfed1dd50278c6b06bead3d00ba0a88f9 # 04:06 0- Linux 3.6 > git bisect bad 28a33cbc24e4256c143dce96c7d93bf423229f92 # 04:06 0- Linux 3.5 > git bisect bad 76e10d158efb6d4516018846f60c2ab5501900bc # 04:06 0- Linux 3.4 > git bisect bad c16fa4f2ad19908a47c63d8fa436a1178438c7e7 # 04:06 0- Linux 3.3 > git bisect bad 805a6af8dba5dfdd35ec35dc52ec0122400b2610 # 04:06 0- Linux 3.2 > git bisect bad c3b92c8787367a8bb53d57d9789b558f1295cc96 # 04:06 0- Linux 3.1 > git bisect bad 02f8c6aee8df3cdc935e9bdd4f2d020306035dbe # 04:07 0- Linux 3.0 > git bisect bad 61c4f2c81c61f73549928dfd9f3e8f26aa36a8cf # 04:14 0- Linux 2.6.39 > git bisect bad 521cb40b0c44418a4fd36dc633f575813d59a43d # 04:20 0- Linux 2.6.38 > git bisect bad 3c0eee3fe6a3a1c745379547c7e7c904aa64f6d5 # 04:25 0- Linux 2.6.37 > git bisect bad 8177a9d79c0e942dcac3312f15585d0344d505a5 # 05:29 0- lseek(fd, n, SEEK_END) does *not* go to eof - n > git bisect bad c04efed734409f5a44715b54a6ca1b54b0ccf215 # 05:35 0- Add linux-next specific files for 20130607 > > Thanks, > Fengguang > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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