syzbot


INFO: task hung in do_exit
Status: closed as invalid on 2022/02/08 10:54
Reported-by: syzbot+9880e421ec82313d6527@syzkaller.appspotmail.com
First crash: 1496d, last: 116d

Cause bisection: introduced by (bisect log) :
commit 430e48ecf31f4f897047f22e02abdfa75730cad8
Author: Amitoj Kaur Chawla <amitoj1606@gmail.com>
Date: Thu Aug 10 16:28:09 2017 +0000

  leds: lm3533: constify attribute_group structure

Crash: INFO: task hung in khugepaged (log)
Repro: syz .config

Fix bisection: failed (bisect log)
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task hung in exit_mm syz done error 7 154d 1059d 0/22 closed as dup on 2021/01/21 05:51
similar bugs (5):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 INFO: task hung in do_exit syz inconclusive 8 112d 1126d 0/1 upstream: reported syz repro on 2019/04/25 02:28
android-414 INFO: task hung in do_exit syz 19 906d 1139d 0/1 public: reported syz repro on 2019/04/13 00:01
linux-4.19 INFO: task hung in do_exit C error 33 10d 1132d 0/1 upstream: reported C repro on 2019/04/19 20:32
android-49 INFO: task hung in do_exit syz 18 953d 1137d 0/3 public: reported syz repro on 2019/04/14 09:28
upstream INFO: task can't die in show_free_areas C error 11 110d 121d 0/22 upstream: reported C repro on 2022/01/24 13:23
Patch testing requests:
Created Duration User Patch Repo Result
2021/08/31 14:39 12m phind.uet@gmail.com linux-next report log

Sample crash report:
INFO: task syz-executor.0:11063 blocked for more than 143 seconds.
      Not tainted 5.3.0-rc4 #100
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D28368 11063  11045 0x80004004
Call Trace:
 context_switch kernel/sched/core.c:3254 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3880
 schedule+0xa8/0x270 kernel/sched/core.c:3944
 rwsem_down_read_slowpath+0x4cc/0xfb0 kernel/locking/rwsem.c:1090
 __down_read kernel/locking/rwsem.c:1320 [inline]
 down_read+0x1f4/0x3f0 kernel/locking/rwsem.c:1463
 exit_mm kernel/exit.c:513 [inline]
 do_exit+0x47b/0x2e50 kernel/exit.c:866
 do_group_exit+0x135/0x360 kernel/exit.c:983
 get_signal+0x47c/0x2500 kernel/signal.c:2729
 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45987a
Code: Bad RIP value.
RSP: 002b:00007fffd7c83bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045987a
RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000
RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000
INFO: task syz-executor.0:11065 blocked for more than 143 seconds.
      Not tainted 5.3.0-rc4 #100
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D28456 11065  11045 0x80004004
Call Trace:
 context_switch kernel/sched/core.c:3254 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3880
 schedule+0xa8/0x270 kernel/sched/core.c:3944
 rwsem_down_read_slowpath+0x4cc/0xfb0 kernel/locking/rwsem.c:1090
 __down_read kernel/locking/rwsem.c:1320 [inline]
 down_read+0x1f4/0x3f0 kernel/locking/rwsem.c:1463
 exit_mm kernel/exit.c:513 [inline]
 do_exit+0x47b/0x2e50 kernel/exit.c:866
 do_group_exit+0x135/0x360 kernel/exit.c:983
 get_signal+0x47c/0x2500 kernel/signal.c:2729
 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: Bad RIP value.
RSP: 002b:00007f7ed80b1cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459829
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c
R13: 00007fffd7c83c5f R14: 00007f7ed80b29c0 R15: 000000000075bf2c
INFO: task syz-executor.0:11067 blocked for more than 143 seconds.
      Not tainted 5.3.0-rc4 #100
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D28968 11067  11045 0x80004004
Call Trace:
 context_switch kernel/sched/core.c:3254 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3880
 schedule+0xa8/0x270 kernel/sched/core.c:3944
 rwsem_down_read_slowpath+0x4cc/0xfb0 kernel/locking/rwsem.c:1090
 __down_read kernel/locking/rwsem.c:1320 [inline]
 down_read+0x1f4/0x3f0 kernel/locking/rwsem.c:1463
 acct_collect+0xf3/0x850 kernel/acct.c:542
 do_exit+0x1b56/0x2e50 kernel/exit.c:858
 do_group_exit+0x135/0x360 kernel/exit.c:983
 get_signal+0x47c/0x2500 kernel/signal.c:2729
 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_64+0x5a9/0x6a0 arch/x86/entry/common.c:299
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: Bad RIP value.
RSP: 002b:00007f7ed8090cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000075bfd0 RCX: 0000000000459829
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bfd0
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bfd4
R13: 00007fffd7c83c5f R14: 00007f7ed80919c0 R15: 000000000075bfd4
INFO: task syz-executor.0:11068 blocked for more than 144 seconds.
      Not tainted 5.3.0-rc4 #100
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0  D29448 11068  11067 0x80000000
Call Trace:
 context_switch kernel/sched/core.c:3254 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3880
 schedule+0xa8/0x270 kernel/sched/core.c:3944
 rwsem_down_read_slowpath+0x4cc/0xfb0 kernel/locking/rwsem.c:1090
 __down_read kernel/locking/rwsem.c:1320 [inline]
 down_read+0x1f4/0x3f0 kernel/locking/rwsem.c:1463
 acct_collect+0xf3/0x850 kernel/acct.c:542
 do_exit+0x1b56/0x2e50 kernel/exit.c:858
 do_group_exit+0x135/0x360 kernel/exit.c:983
 __do_sys_exit_group kernel/exit.c:994 [inline]
 __se_sys_exit_group kernel/exit.c:992 [inline]
 __x64_sys_exit_group+0x44/0x50 kernel/exit.c:992
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: Bad RIP value.
RSP: 002b:00007f7ed8090688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000000459829
RDX: 0000000000459829 RSI: 00007f7ed80906c0 RDI: 000000000000000b
RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f7ed80916d4
R13: 00000000004bfce6 R14: 00000000004d1a38 R15: 00000000ffffffff
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc4 #100
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
 watchdog+0x9d0/0xef0 kernel/hung_task.c:289
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 11066 Comm: syz-executor.0 Not tainted 5.3.0-rc4 #100
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_lock_release include/trace/events/lock.h:58 [inline]
RIP: 0010:lock_release+0x60a/0x960 kernel/locking/lockdep.c:4430
Code: 8f fb ff ff 4c 89 ea 4c 89 e6 4c 89 ff e8 0e 6a ff ff e9 4c fe ff ff 65 ff 05 2a 42 a9 7e 48 8b 05 a3 1a 49 08 e8 56 38 06 00 <85> c0 74 0d 80 3d 17 c0 48 08 00 0f 84 8a 01 00 00 65 ff 0d 06 42
RSP: 0018:ffff888096d8f8f0 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff11012db1f23 RCX: 1ffffffff134b48e
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff89a57278
RBP: ffff888096d8f9c0 R08: 1ffffffff134ae4f R09: fffffbfff134ae50
R10: fffffbfff134ae4f R11: ffffffff89a5727f R12: ffff8880a8d51550
R13: ffffffff818aca47 R14: ffff888096d8f998 R15: 0000000000000001
FS:  00007f7ed80b2700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000007b6734 CR3: 0000000098c31000 CR4: 00000000001406e0
Call Trace:
 __mutex_unlock_slowpath+0x8e/0x6b0 kernel/locking/mutex.c:1202
 mutex_unlock+0xd/0x10 kernel/locking/mutex.c:714
 perf_mmap+0x727/0x19b0 kernel/events/core.c:5713
 call_mmap include/linux/fs.h:1875 [inline]
 mmap_region+0xc35/0x1760 mm/mmap.c:1788
 do_mmap+0x82e/0x1090 mm/mmap.c:1561
 do_mmap_pgoff include/linux/mm.h:2374 [inline]
 vm_mmap_pgoff+0x1c5/0x230 mm/util.c:391
 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1611
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline]
 __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f7ed80b1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459829
RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000
RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000011 R11: 0000000000000246 R12: 00007f7ed80b26d4
R13: 00000000004c5d1b R14: 00000000004da750 R15: 00000000ffffffff

Crashes (125):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2019/08/13 11:32 upstream d45331b00ddb 8620c2c2 .config log report syz
ci-upstream-kasan-gce-root 2019/08/13 11:25 upstream d45331b00ddb 8620c2c2 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/08/12 16:59 upstream d45331b00ddb acb51638 .config log report syz
ci-upstream-kasan-gce-root 2019/07/28 04:36 upstream 5168afe6ef59 c85e1c5b .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/07/27 23:17 upstream 5168afe6ef59 c85e1c5b .config log report syz
ci-upstream-kasan-gce-root 2019/06/27 06:17 upstream 249155c20f9b 7509bf36 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/06/27 05:57 upstream 249155c20f9b 7509bf36 .config log report syz
ci-upstream-kasan-gce-root 2019/06/17 20:35 upstream 9e0babf2c06c 442206d7 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/06/09 02:56 upstream 8d72e5bd86cb 0159583c .config log report syz
ci-upstream-kasan-gce-smack-root 2019/05/19 12:32 upstream 72cf0b07418a 5a4461b0 .config log report syz
ci-upstream-kasan-gce-smack-root 2019/04/25 06:37 upstream cd8dead0c394 8e3c52b1 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/04/21 17:46 upstream 9e5de623a0cb b0e8efcb .config log report syz
ci-upstream-kasan-gce-root 2019/04/21 17:44 upstream 9e5de623a0cb b0e8efcb .config log report syz
ci-upstream-kasan-gce-smack-root 2019/04/13 07:07 upstream 8ee15f324866 c402d8f1 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/08/13 11:37 linux-next 8e72ac275c63 8620c2c2 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/08/07 08:28 linux-next 958eb4327c17 cdde7486 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2019/04/13 07:09 linux-next bcb67f0fbce9 c402d8f1 .config log report syz
ci-upstream-kasan-gce 2022/01/29 18:48 upstream 169387e2aa29 495e00c5 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce 2022/01/27 23:06 upstream 626b2dda7651 64a8e201 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2022/01/25 06:07 upstream dd81e1c7d5fb 2cbffd88 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2022/01/19 06:18 upstream 99613159ad74 731a2d23 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2022/01/16 15:36 upstream d0a231f01e5b 723cfaf0 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce 2022/01/15 00:51 upstream fb3b0673b7d5 53e00b45 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce 2022/01/13 01:53 upstream f079ab01b560 44d1319a .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce 2022/01/09 02:04 upstream 21f35d2ca83e 2ca0d385 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-selinux-root 2021/12/31 06:05 upstream 74c78b4291b4 36bd2e48 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce 2021/12/30 15:25 upstream eec4df26e24e 2e49f10d .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce 2021/12/28 16:03 upstream a8ad9a2434dc 6b3c5e64 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-selinux-root 2021/12/28 09:11 upstream a8ad9a2434dc 6b3c5e64 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2021/12/27 12:07 upstream fc74e0a40e4f e4f103c4 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2021/12/25 17:35 upstream b927dfc67d05 6caa12e4 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce 2021/12/21 02:59 upstream 86085fe79e3c 62bd192b .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-selinux-root 2021/12/17 02:56 upstream fa36bbe6d43f 44068e19 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2021/12/12 11:04 upstream a763d5a5abd6 49ca1f59 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-selinux-root 2021/12/12 04:56 upstream 6f513529296f 49ca1f59 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-selinux-root 2021/12/04 20:15 upstream bbef3c7a63d2 a617004c .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2021/12/03 20:08 upstream 5f58da2befa5 c7c20675 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2022/01/14 18:30 upstream fb3b0673b7d5 53e00b45 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2021/12/31 15:40 upstream 4f3d93c6eaff 36bd2e48 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2021/12/23 20:46 upstream bc491fb12513 6caa12e4 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2021/12/10 19:07 upstream c741e49150db 49ca1f59 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2021/12/07 08:32 upstream f80ef9e49fdf 0230ba3e .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2021/12/06 13:55 upstream 0fcfb00b28c0 579a8754 .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2021/12/06 00:38 upstream 944207047ca4 a617004c .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-386 2021/12/05 08:22 upstream 79a72162048e a617004c .config log report info INFO: task hung in do_exit
ci-upstream-linux-next-kasan-gce-root 2022/01/26 00:53 linux-next 74e5dee6a5b9 2cbffd88 .config log report info INFO: task hung in do_exit
ci-upstream-linux-next-kasan-gce-root 2022/01/25 07:12 linux-next 74e5dee6a5b9 2cbffd88 .config log report info INFO: task hung in do_exit
ci-upstream-linux-next-kasan-gce-root 2022/01/15 02:10 linux-next 468c1d50222c 53e00b45 .config log report info INFO: task hung in do_exit
ci-upstream-linux-next-kasan-gce-root 2022/01/11 14:06 linux-next a70bf4a85b43 1884f55a .config log report info INFO: task hung in do_exit
ci-upstream-kasan-gce-root 2019/09/30 22:04 upstream 97f9a3c4eee5 c7a4fb99 .config log report
ci-upstream-kasan-gce-selinux-root 2019/08/21 17:06 upstream 15d90b242290 4ea67ff8 .config log report
ci-upstream-kasan-gce-selinux-root 2019/08/03 00:14 upstream 97b00aff2c45 6affd8e8 .config log report
ci-upstream-kasan-gce-selinux-root 2019/07/22 07:18 upstream c6dd78fcb8ee b3c615f5 .config log report
ci-upstream-kasan-gce 2019/06/28 13:42 upstream c84afab02c31 7509bf36 .config log report
ci-upstream-kasan-gce 2019/06/26 14:35 upstream 249155c20f9b 4d342240 .config log report
ci-upstream-kasan-gce 2019/06/23 08:44 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce 2019/06/23 01:23 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce 2019/06/22 23:52 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce-root 2019/06/22 20:12 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce-root 2019/06/22 17:53 upstream abf02e2964b3 34bf9440 .config log report
ci-upstream-kasan-gce 2019/06/12 18:06 upstream 35110e38e6c5 794a1ad7 .config log report
ci-upstream-kasan-gce 2019/06/09 12:08 upstream d1fdb6d8f6a4 0159583c .config log report
ci-upstream-kasan-gce-smack-root 2019/06/06 23:09 upstream 01047631df81 698773cb .config log report
ci-upstream-kasan-gce-386 2019/11/16 10:35 upstream eb70e26cd79d cdac920b .config log report
ci-upstream-kasan-gce-386 2019/06/30 14:33 upstream 6fbc7275c7a9 7509bf36 .config log report
ci-upstream-kasan-gce-386 2019/05/23 16:17 upstream 61686afe1ff3 0dadcd9d .config log report
ci-upstream-net-kasan-gce 2018/04/20 23:48 net-next 0263ea5cdded cc402841 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/30 19:26 linux-next 48568d8c7f47 699d6448 .config log report
ci-upstream-linux-next-kasan-gce-root 2019/06/18 13:28 linux-next 1c6b40509daf e3f76baa .config log report