WARNING in task_participate_group_stop (2)
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syzbot
Apr 12, 2019, 8:00:54 PM4/12/19
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 23eaecc3 UPSTREAM: tracing: always define trace_{irq,preem..
git tree: android-4.4
console output: https://syzkaller.appspot.com/x/log.txt?x=14bf3aa7800000
kernel config: https://syzkaller.appspot.com/x/.config?x=3cb56364f4ef7a8f
dashboard link: https://syzkaller.appspot.com/bug?extid=36240c4d4fc53c5a08fd
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=127747bb800000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15c5b257800000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+36240c...@syzkaller.appspotmail.com
IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6624 at kernel/signal.c:343
task_participate_group_stop+0x219/0x2c0 kernel/signal.c:343()
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 6624 Comm: 3 Not tainted 4.4.129-g23eaecc #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
0000000000000000 6d8739f7078ef2ea ffff8801ca837af8 ffffffff81e0dc8d
ffffffff83a43ec0 ffff8800afbfe000 ffffffff83a49b00 0000000000000009
0000000000000157 ffff8801ca837bb8 ffffffff81409ed4 0000000041b58ab3
Call Trace:
[<ffffffff81e0dc8d>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81e0dc8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
[<ffffffff81409ed4>] panic+0x19e/0x38d kernel/panic.c:112
[<ffffffff8140a0f8>] warn_slowpath_common.cold.6+0x20/0x20
kernel/panic.c:455
[<ffffffff81130049>] warn_slowpath_null+0x29/0x30 kernel/panic.c:492
[<ffffffff81155269>] task_participate_group_stop+0x219/0x2c0
kernel/signal.c:343
[<ffffffff81159b3f>] do_signal_stop+0x36f/0x7c0 kernel/signal.c:2024
[<ffffffff8115e54e>] get_signal+0x5de/0x14b0 kernel/signal.c:2201
[<ffffffff8100e02b>] do_signal+0x8b/0x1d30 arch/x86/kernel/signal.c:712
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6665 at kernel/signal.c:343
task_participate_group_stop+0x219/0x2c0 kernel/signal.c:343()
Modules linked in:
[<ffffffff8100360a>] exit_to_usermode_loop+0x11a/0x160
arch/x86/entry/common.c:248
[<ffffffff81006535>] prepare_exit_to_usermode arch/x86/entry/common.c:283
[inline]
[<ffffffff81006535>] syscall_return_slowpath+0x1b5/0x1f0
arch/x86/entry/common.c:348
[<ffffffff838bf275>] int_ret_from_sys_call+0x25/0xa3
CPU: 0 PID: 6665 Comm: 3 Not tainted 4.4.129-g23eaecc #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
0000000000000000 47aed0e0b8e8c3b4 ffff8801d4b5fbb8 ffffffff81e0dc8d
0000000000000000 ffff8801ce39b000 ffffffff83a49b00 0000000000000009
0000000000000157 ffff8801d4b5fbf8 ffffffff8112fded ffffffff81155269
Call Trace:
[<ffffffff81e0dc8d>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81e0dc8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
[<ffffffff8112fded>] warn_slowpath_common+0xdd/0x120 kernel/panic.c:459
[<ffffffff81130049>] warn_slowpath_null+0x29/0x30 kernel/panic.c:492
[<ffffffff81155269>] task_participate_group_stop+0x219/0x2c0
kernel/signal.c:343
[<ffffffff81159b3f>] do_signal_stop+0x36f/0x7c0 kernel/signal.c:2024
[<ffffffff8115e54e>] get_signal+0x5de/0x14b0 kernel/signal.c:2201
[<ffffffff8100e02b>] do_signal+0x8b/0x1d30 arch/x86/kernel/signal.c:712
[<ffffffff8100360a>] exit_to_usermode_loop+0x11a/0x160
arch/x86/entry/common.c:248
[<ffffffff81006535>] prepare_exit_to_usermode arch/x86/entry/common.c:283
[inline]
[<ffffffff81006535>] syscall_return_slowpath+0x1b5/0x1f0
arch/x86/entry/common.c:348
[<ffffffff838bf275>] int_ret_from_sys_call+0x25/0xa3
---[ end trace 866e01667dad291f ]---
Dumping ftrace buffer:
(ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
syzbot found the following crash on:
HEAD commit: 23eaecc3 UPSTREAM: tracing: always define trace_{irq,preem..
git tree: android-4.4
console output: https://syzkaller.appspot.com/x/log.txt?x=14bf3aa7800000
kernel config: https://syzkaller.appspot.com/x/.config?x=3cb56364f4ef7a8f
dashboard link: https://syzkaller.appspot.com/bug?extid=36240c4d4fc53c5a08fd
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=127747bb800000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15c5b257800000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+36240c...@syzkaller.appspotmail.com
IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6624 at kernel/signal.c:343
task_participate_group_stop+0x219/0x2c0 kernel/signal.c:343()
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 6624 Comm: 3 Not tainted 4.4.129-g23eaecc #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
0000000000000000 6d8739f7078ef2ea ffff8801ca837af8 ffffffff81e0dc8d
ffffffff83a43ec0 ffff8800afbfe000 ffffffff83a49b00 0000000000000009
0000000000000157 ffff8801ca837bb8 ffffffff81409ed4 0000000041b58ab3
Call Trace:
[<ffffffff81e0dc8d>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81e0dc8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
[<ffffffff81409ed4>] panic+0x19e/0x38d kernel/panic.c:112
[<ffffffff8140a0f8>] warn_slowpath_common.cold.6+0x20/0x20
kernel/panic.c:455
[<ffffffff81130049>] warn_slowpath_null+0x29/0x30 kernel/panic.c:492
[<ffffffff81155269>] task_participate_group_stop+0x219/0x2c0
kernel/signal.c:343
[<ffffffff81159b3f>] do_signal_stop+0x36f/0x7c0 kernel/signal.c:2024
[<ffffffff8115e54e>] get_signal+0x5de/0x14b0 kernel/signal.c:2201
[<ffffffff8100e02b>] do_signal+0x8b/0x1d30 arch/x86/kernel/signal.c:712
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6665 at kernel/signal.c:343
task_participate_group_stop+0x219/0x2c0 kernel/signal.c:343()
Modules linked in:
[<ffffffff8100360a>] exit_to_usermode_loop+0x11a/0x160
arch/x86/entry/common.c:248
[<ffffffff81006535>] prepare_exit_to_usermode arch/x86/entry/common.c:283
[inline]
[<ffffffff81006535>] syscall_return_slowpath+0x1b5/0x1f0
arch/x86/entry/common.c:348
[<ffffffff838bf275>] int_ret_from_sys_call+0x25/0xa3
CPU: 0 PID: 6665 Comm: 3 Not tainted 4.4.129-g23eaecc #27
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
0000000000000000 47aed0e0b8e8c3b4 ffff8801d4b5fbb8 ffffffff81e0dc8d
0000000000000000 ffff8801ce39b000 ffffffff83a49b00 0000000000000009
0000000000000157 ffff8801d4b5fbf8 ffffffff8112fded ffffffff81155269
Call Trace:
[<ffffffff81e0dc8d>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81e0dc8d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
[<ffffffff8112fded>] warn_slowpath_common+0xdd/0x120 kernel/panic.c:459
[<ffffffff81130049>] warn_slowpath_null+0x29/0x30 kernel/panic.c:492
[<ffffffff81155269>] task_participate_group_stop+0x219/0x2c0
kernel/signal.c:343
[<ffffffff81159b3f>] do_signal_stop+0x36f/0x7c0 kernel/signal.c:2024
[<ffffffff8115e54e>] get_signal+0x5de/0x14b0 kernel/signal.c:2201
[<ffffffff8100e02b>] do_signal+0x8b/0x1d30 arch/x86/kernel/signal.c:712
[<ffffffff8100360a>] exit_to_usermode_loop+0x11a/0x160
arch/x86/entry/common.c:248
[<ffffffff81006535>] prepare_exit_to_usermode arch/x86/entry/common.c:283
[inline]
[<ffffffff81006535>] syscall_return_slowpath+0x1b5/0x1f0
arch/x86/entry/common.c:348
[<ffffffff838bf275>] int_ret_from_sys_call+0x25/0xa3
---[ end trace 866e01667dad291f ]---
Dumping ftrace buffer:
(ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
syzbot
Apr 13, 2019, 8:00:30 PM4/13/19
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 71fce1ed UPSTREAM: tracing: always define trace_{irq,preem..
syzbot found the following crash on:
git tree: android-4.9
console output: https://syzkaller.appspot.com/x/log.txt?x=13a98097800000
kernel config: https://syzkaller.appspot.com/x/.config?x=a54f56879744de40
dashboard link: https://syzkaller.appspot.com/bug?extid=50216a2da4105c14d187
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12b9b257800000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1653e7bb800000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4321 at kernel/signal.c:343
task_participate_group_stop+0x220/0x2c0 kernel/signal.c:343
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 4321 Comm: 3 Not tainted 4.9.96-g71fce1e #10
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
ffff8801d7f47ab0 ffffffff81eb0b69 ffffffff83a484a0 00000000ffffffff
Google 01/01/2011
0000000000000000 0000000000000000 0000000000000157 ffff8801d7f47b70
ffffffff8141f975 0000000041b58ab3 ffffffff841b8030 ffffffff8141f7b6
Call Trace:
[<ffffffff81eb0b69>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81eb0b69>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
[<ffffffff8141f975>] panic+0x1bf/0x3bc kernel/panic.c:179
[<ffffffff8141fc61>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
[<ffffffff8113461c>] warn_slowpath_null+0x2c/0x40 kernel/panic.c:585
[<ffffffff8115ec40>] task_participate_group_stop+0x220/0x2c0
kernel/signal.c:343
[<ffffffff81163333>] do_signal_stop+0x373/0x7c0 kernel/signal.c:2024
[<ffffffff81167c78>] get_signal+0x5b8/0x1450 kernel/signal.c:2201
[<ffffffff810524d7>] do_signal+0x87/0x19f0 arch/x86/kernel/signal.c:807
[<ffffffff81005581>] exit_to_usermode_loop+0xe1/0x120
arch/x86/entry/common.c:157
[<ffffffff810064d4>] prepare_exit_to_usermode arch/x86/entry/common.c:191
[inline]
[<ffffffff810064d4>] syscall_return_slowpath arch/x86/entry/common.c:260
[inline]
[<ffffffff810064d4>] do_syscall_64+0x364/0x490 arch/x86/entry/common.c:287
[<ffffffff839f3313>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
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