HEAD is now at 05a52ec... 0day head guard for 'devel-lkp-hsx01-x86_64-201406110035' git checkout 1860e379875dfe7271c649058aeddffe5afd9d0d ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:1860e379875dfe7271c649058aeddffe5afd9d0d:bisect-linux4 2014-06-11-00:54:11 1860e379875dfe7271c649058aeddffe5afd9d0d compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-1860e379875dfe7271c649058aeddffe5afd9d0d Check for kernel in /kernel/x86_64-randconfig-ha4-0611/1860e379875dfe7271c649058aeddffe5afd9d0d waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-1860e379875dfe7271c649058aeddffe5afd9d0d waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-1860e379875dfe7271c649058aeddffe5afd9d0d kernel: /kernel/x86_64-randconfig-ha4-0611/1860e379875dfe7271c649058aeddffe5afd9d0d/vmlinuz-3.15.0 2014-06-11-01:12:11 detecting boot state .... 2 14 20 SUCCESS bisect: good commit 1860e379875dfe7271c649058aeddffe5afd9d0d git bisect start 05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7 1860e379875dfe7271c649058aeddffe5afd9d0d -- /c/kernel-tests/linear-bisect: ["-b", "05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7", "-g", "1860e379875dfe7271c649058aeddffe5afd9d0d", "/c/kernel-tests/bisect-test-boot-failure.sh", "/c/boot-bisect/linux4/obj-bisect"] Bisecting: 8078 revisions left to test after this (roughly 13 steps) [0541eb1ef76707c491d3285ef2551f0b9764f4bc] Merge 'kees/seccomp-tsync-sighand' into devel-lkp-hsx01-x86_64-201406110035 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:0541eb1ef76707c491d3285ef2551f0b9764f4bc:bisect-linux4 2014-06-11-01:15:44 0541eb1ef76707c491d3285ef2551f0b9764f4bc compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-0541eb1ef76707c491d3285ef2551f0b9764f4bc Check for kernel in /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-0541eb1ef76707c491d3285ef2551f0b9764f4bc waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-0541eb1ef76707c491d3285ef2551f0b9764f4bc kernel: /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/vmlinuz-3.15.0-07924-g0541eb1 2014-06-11-01:35:44 detecting boot state . TEST FAILURE [ 0.022772] CPU: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01) [ 0.041072] ftrace: allocating 55975 entries in 219 pages [ 0.060048] ------------[ cut here ]------------ [ 0.060758] kernel BUG at /kbuild/src/x86_64/kernel/fork.c:1100! [ 0.061595] invalid opcode: 0000 [#1] [ 0.062298] CPU: 0 PID: 0 Comm: swapper Not tainted 3.15.0-07924-g0541eb1 #84 [ 0.063245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.064044] task: ffffffff8321a5c0 ti: ffffffff83200000 task.ti: ffffffff83200000 [ 0.065162] RIP: 0010:[] [] copy_process.isra.56+0x1421/0x14c0 [ 0.066512] RSP: 0000:ffffffff83203e68 EFLAGS: 00010002 [ 0.067268] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.068211] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88001244f770 [ 0.069158] RBP: ffffffff83203ec0 R08: ffff8800124537c0 R09: 0000000000000040 [ 0.070000] R10: ffff880012453800 R11: 7908000000000000 R12: ffffffff8281bac0 [ 0.070000] R13: 0000000000000000 R14: 0000000000800300 R15: ffff88001244f770 [ 0.070000] FS: 0000000000000000(0000) GS:ffffffff83230000(0000) knlGS:0000000000000000 [ 0.070000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.070000] CR2: 00000000ffffffff CR3: 0000000003213000 CR4: 00000000000006f0 [ 0.070000] Stack: [ 0.070000] 0000000000000000 0000000000000000 0000000000000000 ffff8800124537c0 [ 0.070000] 0000000000000000 fffffff400000002 ffffffffffffffff ffffffff83af0900 [ 0.070000] 0000000000800300 ffffffff83af72c0 0000000000000000 ffffffff83203f28 [ 0.070000] Call Trace: [ 0.070000] [] do_fork+0x75/0x510 [ 0.070000] [] ? ftrace_process_locs.constprop.29+0x42b/0x561 [ 0.070000] [] kernel_thread+0x2e/0x40 [ 0.070000] [] rest_init+0x23/0xd0 [ 0.070000] [] start_kernel+0x79d/0x7bb [ 0.070000] [] ? repair_env_string+0x7f/0x7f [ 0.070000] [] ? early_idt_handlers+0x120/0x120 [ 0.070000] [] x86_64_start_reservations+0x46/0x4f [ 0.070000] [] x86_64_start_kernel+0x1ac/0x1c2 [ 0.070000] Code: 83 05 33 0a bd 02 01 e8 4e c1 0b 00 48 83 05 2e 0a bd 02 01 ff 04 25 a0 fa 22 83 48 83 05 27 0a bd 02 01 48 83 05 ef 07 bd 02 01 <0f> 0b 48 83 05 ed 07 bd 02 01 48 83 05 5d 09 bd 02 01 b8 f4 ff [ 0.070000] RIP [] copy_process.isra.56+0x1421/0x14c0 [ 0.070000] RSP [ 0.070000] ---[ end trace f632a396c36f0e23 ]--- [ 0.070000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb44-124:20140611013559:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb44-53:20140611013556:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb41-41:20140611013610:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb42-23:20140611013604:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb42-57:20140611013606:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb44-103:20140611013609:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb44-124:20140611013609:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-quantal-ivb44-53:20140611013606:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-yocto-ivb41-94:20140611013605:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 /kernel/x86_64-randconfig-ha4-0611/0541eb1ef76707c491d3285ef2551f0b9764f4bc/dmesg-yocto-ivb42-121:20140611013604:x86_64-randconfig-ha4-0611:3.15.0-07924-g0541eb1:84 0:10:10 all_good:bad:all_bad boots 2014-06-11 01:36:15 REPEAT COUNT: 20 # /c/boot-bisect/linux4/obj-bisect/.repeat Bisecting: 7924 revisions left to test after this (roughly 13 steps) [420e289c1eb93124b1b12aed6321179dcb0c129a] 0day base guard for 'devel-lkp-hsx01-x86_64-201406110035' running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:420e289c1eb93124b1b12aed6321179dcb0c129a:bisect-linux4 2014-06-11-01:36:17 420e289c1eb93124b1b12aed6321179dcb0c129a compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-420e289c1eb93124b1b12aed6321179dcb0c129a Check for kernel in /kernel/x86_64-randconfig-ha4-0611/420e289c1eb93124b1b12aed6321179dcb0c129a waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-420e289c1eb93124b1b12aed6321179dcb0c129a waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-420e289c1eb93124b1b12aed6321179dcb0c129a kernel: /kernel/x86_64-randconfig-ha4-0611/420e289c1eb93124b1b12aed6321179dcb0c129a/vmlinuz-3.15.0-00001-g420e289 2014-06-11-01:56:17 detecting boot state .... 11 20 SUCCESS Bisecting: 7923 revisions left to test after this (roughly 13 steps) [0cdca5640a2395fe9e42f5cb27d7d73f64f751d4] Merge 'kees/lsm-mod-pin' into devel-lkp-hsx01-x86_64-201406110035 running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:0cdca5640a2395fe9e42f5cb27d7d73f64f751d4:bisect-linux4 2014-06-11-01:59:19 0cdca5640a2395fe9e42f5cb27d7d73f64f751d4 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-0cdca5640a2395fe9e42f5cb27d7d73f64f751d4 Check for kernel in /kernel/x86_64-randconfig-ha4-0611/0cdca5640a2395fe9e42f5cb27d7d73f64f751d4 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-0cdca5640a2395fe9e42f5cb27d7d73f64f751d4 waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-0cdca5640a2395fe9e42f5cb27d7d73f64f751d4 kernel: /kernel/x86_64-randconfig-ha4-0611/0cdca5640a2395fe9e42f5cb27d7d73f64f751d4/vmlinuz-3.15.0-07916-g0cdca56 2014-06-11-02:14:19 detecting boot state ... 3 20 SUCCESS linear-bisect: bad branch may be kees/seccomp-tsync-sighand linear-bisect: handle over to git bisect linear-bisect: git bisect start 0541eb1ef76707c491d3285ef2551f0b9764f4bc 0cdca5640a2395fe9e42f5cb27d7d73f64f751d4 -- Previous HEAD position was 0cdca56... Merge 'kees/lsm-mod-pin' into devel-lkp-hsx01-x86_64-201406110035 HEAD is now at 1ea52a9... Merge 'jbarnes/async-fb-probe' into devel-hourly-2014060210 Bisecting: 3 revisions left to test after this (roughly 2 steps) [1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c] seccomp: move no_new_privs into seccomp linear-bisect: git bisect run /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c:bisect-linux4 2014-06-11-02:16:54 1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c Check for kernel in /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c kernel: /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/vmlinuz-3.15.0-07917-g1f1757f 2014-06-11-02:35:54 detecting boot state . TEST FAILURE [ 0.022651] CPU: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01) [ 0.039886] ftrace: allocating 55973 entries in 219 pages [ 0.060038] ------------[ cut here ]------------ [ 0.060694] kernel BUG at /kbuild/src/x86_64/kernel/fork.c:1100! [ 0.061509] invalid opcode: 0000 [#1] [ 0.062176] CPU: 0 PID: 0 Comm: swapper Not tainted 3.15.0-07917-g1f1757f #94 [ 0.063087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.063865] task: ffffffff8321a5c0 ti: ffffffff83200000 task.ti: ffffffff83200000 [ 0.064936] RIP: 0010:[] [] copy_process.isra.56+0x1421/0x14c0 [ 0.066304] RSP: 0000:ffffffff83203e68 EFLAGS: 00010002 [ 0.067028] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.067952] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88001244f770 [ 0.068858] RBP: ffffffff83203ec0 R08: ffff8800124537c0 R09: 0000000000000040 [ 0.069780] R10: ffff880012453800 R11: 7908000000000000 R12: ffffffff8281bb00 [ 0.070000] R13: 0000000000000000 R14: 0000000000800300 R15: ffff88001244f770 [ 0.070000] FS: 0000000000000000(0000) GS:ffffffff83230000(0000) knlGS:0000000000000000 [ 0.070000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.070000] CR2: 00000000ffffffff CR3: 0000000003213000 CR4: 00000000000006f0 [ 0.070000] Stack: [ 0.070000] 0000000000000000 0000000000000000 0000000000000000 ffff8800124537c0 [ 0.070000] 0000000000000000 fffffff400000002 ffffffffffffffff ffffffff83af0900 [ 0.070000] 0000000000800300 ffffffff83af72c0 0000000000000000 ffffffff83203f28 [ 0.070000] Call Trace: [ 0.070000] [] do_fork+0x75/0x510 [ 0.070000] [] ? ftrace_process_locs.constprop.29+0x42b/0x561 [ 0.070000] [] kernel_thread+0x2e/0x40 [ 0.070000] [] rest_init+0x23/0xd0 [ 0.070000] [] start_kernel+0x79d/0x7bb [ 0.070000] [] ? repair_env_string+0x7f/0x7f [ 0.070000] [] ? early_idt_handlers+0x120/0x120 [ 0.070000] [] x86_64_start_reservations+0x46/0x4f [ 0.070000] [] x86_64_start_kernel+0x1ac/0x1c2 [ 0.070000] Code: 83 05 33 fa bc 02 01 e8 8e c1 0b 00 48 83 05 2e fa bc 02 01 ff 04 25 a0 fa 22 83 48 83 05 27 fa bc 02 01 48 83 05 ef f7 bc 02 01 <0f> 0b 48 83 05 ed f7 bc 02 01 48 83 05 5d f9 bc 02 01 b8 f4 ff [ 0.070000] RIP [] copy_process.isra.56+0x1421/0x14c0 [ 0.070000] RSP [ 0.070000] ---[ end trace 5f65064b68ecdf02 ]--- [ 0.070000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb42-109:20140611023506:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb42-66:20140611023510:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb42-69:20140611023509:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb42-13:20140611023508:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb44-14:20140611023510:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb44-20:20140611023509:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb44-41:20140611023510:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb41-46:20140611023517:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb42-41:20140611023522:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb42-66:20140611023520:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb42-69:20140611023519:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb41-50:20140611023517:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb42-103:20140611023520:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb42-13:20140611023518:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb44-14:20140611023520:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb44-19:20140611023522:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb44-20:20140611023518:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-yocto-ivb44-41:20140611023519:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb41-43:20140611023526:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 /kernel/x86_64-randconfig-ha4-0611/1f1757f2320d5f5aa3614d7739a22dd3a8a6ed0c/dmesg-quantal-ivb44-105:20140611023525:x86_64-randconfig-ha4-0611:3.15.0-07917-g1f1757f:94 0:20:20 all_good:bad:all_bad boots 2014-06-11 02:36:24 REPEAT COUNT: 20 # /c/boot-bisect/linux4/obj-bisect/.repeat Bisecting: 1 revision left to test after this (roughly 1 step) [6698e20593e5bfa53888bbf12f4431f4150dc3c1] seccomp: split filter prep from check and apply running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:6698e20593e5bfa53888bbf12f4431f4150dc3c1:bisect-linux4 2014-06-11-02:36:25 6698e20593e5bfa53888bbf12f4431f4150dc3c1 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-6698e20593e5bfa53888bbf12f4431f4150dc3c1 Check for kernel in /kernel/x86_64-randconfig-ha4-0611/6698e20593e5bfa53888bbf12f4431f4150dc3c1 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-6698e20593e5bfa53888bbf12f4431f4150dc3c1 waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-6698e20593e5bfa53888bbf12f4431f4150dc3c1 kernel: /kernel/x86_64-randconfig-ha4-0611/6698e20593e5bfa53888bbf12f4431f4150dc3c1/vmlinuz-3.15.0-07915-g6698e20 2014-06-11-02:47:25 detecting boot state ... 10 20 SUCCESS Bisecting: 0 revisions left to test after this (roughly 0 steps) [8c959534443ab563ddbccdcfe6a0f2a4f6fcb863] seccomp: introduce writer locking running /c/kernel-tests/bisect-test-boot-failure.sh /c/boot-bisect/linux4/obj-bisect ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:8c959534443ab563ddbccdcfe6a0f2a4f6fcb863:bisect-linux4 2014-06-11-02:49:55 8c959534443ab563ddbccdcfe6a0f2a4f6fcb863 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-8c959534443ab563ddbccdcfe6a0f2a4f6fcb863 Check for kernel in /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-8c959534443ab563ddbccdcfe6a0f2a4f6fcb863 waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-8c959534443ab563ddbccdcfe6a0f2a4f6fcb863 kernel: /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/vmlinuz-3.15.0-07916-g8c95953 2014-06-11-03:10:55 detecting boot state . TEST FAILURE [ 0.027554] CPU: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01) [ 0.050365] ftrace: allocating 55973 entries in 219 pages [ 0.070071] ------------[ cut here ]------------ [ 0.071061] kernel BUG at /kbuild/src/x86_64/kernel/fork.c:1100! [ 0.072252] invalid opcode: 0000 [#1] [ 0.073148] CPU: 0 PID: 0 Comm: swapper Not tainted 3.15.0-07916-g8c95953 #105 [ 0.074766] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.075871] task: ffffffff8321a5c0 ti: ffffffff83200000 task.ti: ffffffff83200000 [ 0.077391] RIP: 0010:[] [] copy_process.isra.56+0x1421/0x14c0 [ 0.079175] RSP: 0000:ffffffff83203e68 EFLAGS: 00010002 [ 0.080000] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.080000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88001244f760 [ 0.080000] RBP: ffffffff83203ec0 R08: ffff8800124537c0 R09: 0000000000000040 [ 0.080000] R10: ffff880012453800 R11: 7908000000000000 R12: ffffffff8281bae0 [ 0.080000] R13: 0000000000000000 R14: 0000000000800300 R15: ffff88001244f760 [ 0.080000] FS: 0000000000000000(0000) GS:ffffffff83230000(0000) knlGS:0000000000000000 [ 0.080000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.080000] CR2: 00000000ffffffff CR3: 0000000003213000 CR4: 00000000000006f0 [ 0.080000] Stack: [ 0.080000] 0000000000000000 0000000000000000 0000000000000000 ffff8800124537c0 [ 0.080000] 0000000000000000 fffffff400000002 ffffffffffffffff ffffffff83af0900 [ 0.080000] 0000000000800300 ffffffff83af72c0 0000000000000000 ffffffff83203f28 [ 0.080000] Call Trace: [ 0.080000] [] do_fork+0x75/0x510 [ 0.080000] [] ? ftrace_process_locs.constprop.29+0x42b/0x561 [ 0.080000] [] kernel_thread+0x2e/0x40 [ 0.080000] [] rest_init+0x23/0xd0 [ 0.080000] [] start_kernel+0x79d/0x7bb [ 0.080000] [] ? repair_env_string+0x7f/0x7f [ 0.080000] [] ? early_idt_handlers+0x120/0x120 [ 0.080000] [] x86_64_start_reservations+0x46/0x4f [ 0.080000] [] x86_64_start_kernel+0x1ac/0x1c2 [ 0.080000] Code: 83 05 33 fa bc 02 01 e8 6e c1 0b 00 48 83 05 2e fa bc 02 01 ff 04 25 a0 fa 22 83 48 83 05 27 fa bc 02 01 48 83 05 ef f7 bc 02 01 <0f> 0b 48 83 05 ed f7 bc 02 01 48 83 05 5d f9 bc 02 01 b8 f4 ff [ 0.080000] RIP [] copy_process.isra.56+0x1421/0x14c0 [ 0.080000] RSP [ 0.080000] ---[ end trace 89764c00c93c8d97 ]--- [ 0.080000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb42-86:20140611031059:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb41-124:20140611031057:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb42-50:20140611031055:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb44-87:20140611031102:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb41-34:20140611031102:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb41-72:20140611031102:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb42-28:20140611031102:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb41-6:20140611031105:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb42-105:20140611031106:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb42-106:20140611031106:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb42-92:20140611031111:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb44-114:20140611031108:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb44-37:20140611031103:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb44-6:20140611031111:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb44-75:20140611031105:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb41-46:20140611031104:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb42-26:20140611031109:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb42-50:20140611031104:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-yocto-ivb44-50:20140611031105:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 /kernel/x86_64-randconfig-ha4-0611/8c959534443ab563ddbccdcfe6a0f2a4f6fcb863/dmesg-quantal-ivb44-84:20140611031113:x86_64-randconfig-ha4-0611:3.15.0-07916-g8c95953:105 0:20:20 all_good:bad:all_bad boots 2014-06-11 03:11:26 REPEAT COUNT: 20 # /c/boot-bisect/linux4/obj-bisect/.repeat 8c959534443ab563ddbccdcfe6a0f2a4f6fcb863 is the first bad commit commit 8c959534443ab563ddbccdcfe6a0f2a4f6fcb863 Author: Kees Cook Date: Wed May 21 15:18:02 2014 -0700 seccomp: introduce writer locking Normally, task_struct.seccomp.filter is only ever read or modified by the task that owns it (current). This property aids in fast access during system call filtering as read access is lockless. Updating the pointer from another task, however, opens up race conditions. To allow cross-thread filter pointer updates, writes to the seccomp fields are now protected by the sighand spinlock (which is unique to the thread group). Read access remains lockless because pointer updates themselves are atomic. However, writes (or cloning) often entail additional checking (like maximum instruction counts) which require locking to perform safely. In the case of cloning threads, the child is invisible to the system until it enters the task list. To make sure a child can't be cloned from a thread and left in a prior state, seccomp duplication is additionally moved under the tasklist_lock. Then parent and child are certain have the same seccomp state when they exit the lock. Based on patches by Will Drewry and David Drysdale. Signed-off-by: Kees Cook :040000 040000 ea9c69b3c495d7b290eea96b0f3cdc8c556e036c 2e4a088905ce5a4dd816689d4e0a27887a52a627 M include :040000 040000 3526ca99ce4ce6c9ed995a7645913e8189877922 acea9018fbe029779462ccd693ab23684e6323b0 M kernel bisect run success Previous HEAD position was 8c95953... seccomp: introduce writer locking HEAD is now at 6698e20... seccomp: split filter prep from check and apply ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:6698e20593e5bfa53888bbf12f4431f4150dc3c1:bisect-linux4 2014-06-11-03:11:27 6698e20593e5bfa53888bbf12f4431f4150dc3c1 reuse /kernel/x86_64-randconfig-ha4-0611/6698e20593e5bfa53888bbf12f4431f4150dc3c1/vmlinuz-3.15.0-07915-g6698e20 2014-06-11-03:11:27 detecting boot state ..... 30 60 SUCCESS Previous HEAD position was 6698e20... seccomp: split filter prep from check and apply HEAD is now at 05a52ec... 0day head guard for 'devel-lkp-hsx01-x86_64-201406110035' ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linux-devel:devel-lkp-hsx01-x86_64-201406110035:05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7:bisect-linux4 TEST FAILURE [ 0.022607] CPU: Intel Common KVM processor (fam: 0f, model: 06, stepping: 01) [ 0.040484] ftrace: allocating 55985 entries in 219 pages [ 0.060043] ------------[ cut here ]------------ [ 0.060683] kernel BUG at /kbuild/src/x86_64/kernel/fork.c:1100! [ 0.061434] invalid opcode: 0000 [#1] [ 0.062077] CPU: 0 PID: 0 Comm: swapper Not tainted 3.15.0-08078-g05a52ec #73 [ 0.062942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 0.063691] task: ffffffff8321a5c0 ti: ffffffff83200000 task.ti: ffffffff83200000 [ 0.064726] RIP: 0010:[] [] copy_process.isra.56+0x1421/0x14c0 [ 0.066053] RSP: 0000:ffffffff83203e68 EFLAGS: 00010002 [ 0.066773] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000000 [ 0.067665] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88001244f770 [ 0.068537] RBP: ffffffff83203ec0 R08: ffff8800124537c0 R09: 0000000000000040 [ 0.069390] R10: ffff880012453800 R11: 7908000000000000 R12: ffffffff8281c1a0 [ 0.070000] R13: 0000000000000000 R14: 0000000000800300 R15: ffff88001244f770 [ 0.070000] FS: 0000000000000000(0000) GS:ffffffff83230000(0000) knlGS:0000000000000000 [ 0.070000] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 0.070000] CR2: 00000000ffffffff CR3: 0000000003213000 CR4: 00000000000006f0 [ 0.070000] Stack: [ 0.070000] 0000000000000000 0000000000000000 0000000000000000 ffff8800124537c0 [ 0.070000] 0000000000000000 fffffff400000002 ffffffffffffffff ffffffff83af0900 [ 0.070000] 0000000000800300 ffffffff83af72c0 0000000000000000 ffffffff83203f28 [ 0.070000] Call Trace: [ 0.070000] [] do_fork+0x75/0x510 [ 0.070000] [] ? ftrace_process_locs.constprop.29+0x42b/0x561 [ 0.070000] [] kernel_thread+0x2e/0x40 [ 0.070000] [] rest_init+0x23/0xd0 [ 0.070000] [] start_kernel+0x79d/0x7bb [ 0.070000] [] ? repair_env_string+0x7f/0x7f [ 0.070000] [] ? early_idt_handlers+0x120/0x120 [ 0.070000] [] x86_64_start_reservations+0x46/0x4f [ 0.070000] [] x86_64_start_kernel+0x1ac/0x1c2 [ 0.070000] Code: 83 05 33 0a bd 02 01 e8 3e c1 0b 00 48 83 05 2e 0a bd 02 01 ff 04 25 a0 fa 22 83 48 83 05 27 0a bd 02 01 48 83 05 ef 07 bd 02 01 <0f> 0b 48 83 05 ed 07 bd 02 01 48 83 05 5d 09 bd 02 01 b8 f4 ff [ 0.070000] RIP [] copy_process.isra.56+0x1421/0x14c0 [ 0.070000] RSP [ 0.070000] ---[ end trace 03991a8364e17b51 ]--- [ 0.070000] Kernel panic - not syncing: Attempted to kill the idle task! /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb44-83:20140611004722:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-quantal-ivb42-79:20140611005353:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb42-36:20140611005349:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-quantal-ivb44-79:20140611005355:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb42-36:20140611005358:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-quantal-ivb44-76:20140611004724:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-quantal-ivb41-110:20140611005354:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb44-73:20140611004723:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-quantal-ivb41-15:20140611005353:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb41-120:20140611005401:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb42-15:20140611005359:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb41-58:20140611005356:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 /kernel/x86_64-randconfig-ha4-0611/05a52ec683855fcbf5dbbc50d0c4d23db4ce21a7/dmesg-yocto-ivb42-86:20140611005401:x86_64-randconfig-ha4-0611:3.15.0-08078-g05a52ec:73 0:13:13 all_good:bad:all_bad boots HEAD is now at 05a52ec 0day head guard for 'devel-lkp-hsx01-x86_64-201406110035' ========= upstream ========= From git://gitmirror/linus d53b47c..5b174fd master -> linus/master Previous HEAD position was 05a52ec... 0day head guard for 'devel-lkp-hsx01-x86_64-201406110035' HEAD is now at 5b174fd... Merge branch 'for-3.16' of git://linux-nfs.org/~bfields/linux ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/linus:master:5b174fd6472b1d6b6402b30210a212f3fd770d96:bisect-linux4 2014-06-11-03:15:36 5b174fd6472b1d6b6402b30210a212f3fd770d96 compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-5b174fd6472b1d6b6402b30210a212f3fd770d96 Check for kernel in /kernel/x86_64-randconfig-ha4-0611/5b174fd6472b1d6b6402b30210a212f3fd770d96 waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-5b174fd6472b1d6b6402b30210a212f3fd770d96 waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-5b174fd6472b1d6b6402b30210a212f3fd770d96 kernel: /kernel/x86_64-randconfig-ha4-0611/5b174fd6472b1d6b6402b30210a212f3fd770d96/vmlinuz-3.15.0-08163-g5b174fd 2014-06-11-03:29:36 detecting boot state ... 11 60 SUCCESS ========= linux-next ========= From git://gitmirror/next + c038f7b...30806f8 akpm -> next/akpm (forced update) + 8709b07...56b5498 akpm-base -> next/akpm-base (forced update) + db206f3...27a4e43 master -> next/master (forced update) 951e273..14208b0 stable -> next/stable From git://gitmirror/next * [new tag] next-20140610 -> next-20140610 Previous HEAD position was 5b174fd... Merge branch 'for-3.16' of git://linux-nfs.org/~bfields/linux HEAD is now at 27a4e43... Add linux-next specific files for 20140610 ls -a /kbuild-tests/run-queue/kvm/x86_64-randconfig-ha4-0611/next:master:27a4e439fe5cd92b70137ae237c7aa6888c07b5a:bisect-linux4 2014-06-11-03:32:41 27a4e439fe5cd92b70137ae237c7aa6888c07b5a compiling Queued build task to /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-27a4e439fe5cd92b70137ae237c7aa6888c07b5a Check for kernel in /kernel/x86_64-randconfig-ha4-0611/27a4e439fe5cd92b70137ae237c7aa6888c07b5a waiting for completion of /kbuild-tests/build-queue/x86_64-randconfig-ha4-0611-27a4e439fe5cd92b70137ae237c7aa6888c07b5a waiting for completion of /kbuild-tests/build-queue/.x86_64-randconfig-ha4-0611-27a4e439fe5cd92b70137ae237c7aa6888c07b5a kernel: /kernel/x86_64-randconfig-ha4-0611/27a4e439fe5cd92b70137ae237c7aa6888c07b5a/vmlinuz-3.15.0-next-20140610 2014-06-11-03:39:41 detecting boot state ... 1 32 56 60 SUCCESS