syzbot


INFO: rcu detected stall in tc_modify_qdisc

Status: upstream: reported C repro on 2020/07/29 05:53
Reported-by: syzbot+9f78d5c664a8c33f4cce@syzkaller.appspotmail.com
First crash: 716d, last: 12d

Cause bisection: introduced by (bisect log) :
commit 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22
Author: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Date: Sat Sep 29 00:59:43 2018 +0000

  tc: Add support for configuring the taprio scheduler

Crash: no output from test machine (log)
Repro: C syz .config

Sample crash report:
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (2 ticks this GP) idle=98b/1/0x4000000000000000 softirq=5847/5847 fqs=0 
	(detected by 0, t=10503 jiffies, g=4893, q=15 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3626 Comm: syz-executor542 Not tainted 5.19.0-rc2-syzkaller-00147-gf0ec9c65a8d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kasan_check_range+0x12b/0x180 mm/kasan/generic.c:190
Code: 3a 00 74 ef 49 8d 04 2c 48 85 d2 75 0b 48 89 da 48 29 c2 e9 55 ff ff ff 49 39 d2 75 17 49 0f be 02 41 83 e1 07 49 39 c1 7d 0a <5b> b8 01 00 00 00 5d 41 5c c3 44 89 c2 e8 03 f0 ff ff 5b 83 f0 01
RSP: 0018:ffffc900003f8cc0 EFLAGS: 00000046
RAX: fffffbfff1b75a53 RBX: fffffbfff1b75a53 RCX: ffffffff815d85e8
RDX: fffffbfff1b75a53 RSI: 0000000000000008 RDI: ffffffff8dbad290
RBP: fffffbfff1b75a52 R08: 0000000000000000 R09: ffffffff8dbad297
R10: fffffbfff1b75a52 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bd84020 R15: 0000000000000000
FS:  00005555566ee300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 0000000017741000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 cpumask_test_cpu include/linux/cpumask.h:379 [inline]
 cpu_online include/linux/cpumask.h:921 [inline]
 trace_lock_acquire include/trace/events/lock.h:24 [inline]
 lock_acquire+0xb8/0x570 kernel/locking/lockdep.c:5636
 rcu_lock_acquire include/linux/rcupdate.h:269 [inline]
 rcu_read_lock include/linux/rcupdate.h:695 [inline]
 advance_sched+0x4a5/0x9a0 net/sched/sch_taprio.c:768
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 4a cc e3 f7 48 89 ef e8 52 4d e4 f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> b3 56 d7 f7 65 8b 05 ac bd 88 76 85 c0 74 0a 5b 5d c3 e8 50 42
RSP: 0018:ffffc900031271e0 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff20d87b6
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000001
RBP: ffff88807d6ceae8 R08: 0000000000000001 R09: ffffffff906799c7
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88807d6ceae8 R14: 0000000000000246 R15: ffff88807d6ce800
 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
 taprio_change+0x2eab/0x4050 net/sched/sch_taprio.c:1607
 taprio_init+0x52e/0x670 net/sched/sch_taprio.c:1739
 qdisc_create.constprop.0+0x44a/0x10f0 net/sched/sch_api.c:1253
 tc_modify_qdisc+0x4c5/0x1a00 net/sched/sch_api.c:1660
 rtnetlink_rcv_msg+0x43a/0xc90 net/core/rtnetlink.c:6089
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:734
 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2492
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2546
 __sys_sendmsg net/socket.c:2575 [inline]
 __do_sys_sendmsg net/socket.c:2584 [inline]
 __se_sys_sendmsg net/socket.c:2582 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2582
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fdbd6e42dc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd33df8758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbd6e42dc9
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00007ffd33df8770
R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.098 msecs
rcu: rcu_preempt kthread timer wakeup didn't happen for 10502 jiffies! g4893 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=1253
rcu: rcu_preempt kthread starved for 10503 jiffies! g4893 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:28864 pid:   17 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5116 [inline]
 __schedule+0xa00/0x4b30 kernel/sched/core.c:6428
 schedule+0xd2/0x1f0 kernel/sched/core.c:6500
 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1935
 rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1999
 rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2187
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3626 Comm: syz-executor542 Not tainted 5.19.0-rc2-syzkaller-00147-gf0ec9c65a8d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rcu_is_watching+0x0/0xb0 kernel/rcu/tree.c:1134
Code: 89 61 00 e9 2c ff ff ff 66 90 48 c7 c7 e0 f0 cd 89 e8 24 72 12 08 65 8a 05 c1 70 9f 7e 0f be c0 c3 66 0f 1f 84 00 00 00 00 00 <55> 53 65 ff 05 e7 2f 9e 7e e8 e2 71 12 08 48 c7 c3 d0 af 03 00 83
RSP: 0018:ffffc900003f8ce0 EFLAGS: 00000002
RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815d7e51
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff8dbad290
RBP: 1ffff9200007f1a1 R08: 0000000000000000 R09: ffffffff8dbad297
R10: fffffbfff1b75a52 R11: 0000000000000001 R12: 0000000000000001
R13: 16f996ba68372d20 R14: ffff888078cea9a0 R15: 16f996ba68372d20
FS:  00005555566ee300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000600 CR3: 0000000017741000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rcu_read_lock_held_common kernel/rcu/update.c:108 [inline]
 rcu_read_lock_sched_held+0x1c/0x70 kernel/rcu/update.c:123
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x560/0x780 kernel/locking/lockdep.c:5676
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:389 [inline]
 advance_sched+0x435/0x9a0 net/sched/sch_taprio.c:764
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 4a cc e3 f7 48 89 ef e8 52 4d e4 f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> b3 56 d7 f7 65 8b 05 ac bd 88 76 85 c0 74 0a 5b 5d c3 e8 50 42
RSP: 0018:ffffc900031271e0 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff20d87b6
RDX: 0000000000000000 RSI: 0000000000000202 RDI: 0000000000000001
RBP: ffff88807d6ceae8 R08: 0000000000000001 R09: ffffffff906799c7
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88807d6ceae8 R14: 0000000000000246 R15: ffff88807d6ce800
 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
 taprio_change+0x2eab/0x4050 net/sched/sch_taprio.c:1607
 taprio_init+0x52e/0x670 net/sched/sch_taprio.c:1739
 qdisc_create.constprop.0+0x44a/0x10f0 net/sched/sch_api.c:1253
 tc_modify_qdisc+0x4c5/0x1a00 net/sched/sch_api.c:1660
 rtnetlink_rcv_msg+0x43a/0xc90 net/core/rtnetlink.c:6089
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:734
 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2492
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2546
 __sys_sendmsg net/socket.c:2575 [inline]
 __do_sys_sendmsg net/socket.c:2584 [inline]
 __se_sys_sendmsg net/socket.c:2582 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2582
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7fdbd6e42dc9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 00 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd33df8758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbd6e42dc9
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 0000000000000000 R08: 000000000000000d R09: 000000000000000d
R10: 000000000000000d R11: 0000000000000246 R12: 00007ffd33df8770
R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [kworker/u4:0:8]
Modules linked in:
irq event stamp: 157192
hardirqs last  enabled at (157191): [<ffffffff89800c8b>] asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
hardirqs last disabled at (157192): [<ffffffff8976983b>] sysvec_apic_timer_interrupt+0xb/0xc0 arch/x86/kernel/apic/apic.c:1106
softirqs last  enabled at (106518): [<ffffffff81477753>] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last  enabled at (106518): [<ffffffff81477753>] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
softirqs last disabled at (106447): [<ffffffff81477753>] invoke_softirq kernel/softirq.c:445 [inline]
softirqs last disabled at (106447): [<ffffffff81477753>] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650
CPU: 0 PID: 8 Comm: kworker/u4:0 Not tainted 5.19.0-rc2-syzkaller-00147-gf0ec9c65a8d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:414 [inline]
RIP: 0010:smp_call_function_many_cond+0x499/0x1110 kernel/smp.c:988
Code: 01 89 ee e8 69 98 0a 00 85 ed 74 47 48 8b 04 24 49 89 c4 83 e0 07 49 c1 ec 03 48 89 c5 4d 01 fc 83 c5 03 e8 09 9c 0a 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 21 0a 00 00 8b 43 08 31
RSP: 0018:ffffc900002ef950 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b9b3f760 RCX: 0000000000000000
RDX: ffff888012198200 RSI: ffffffff816f07a7 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffed1017367eed
R13: 0000000000000001 R14: 0000000000000001 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbd6e00c84 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1154
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1231 [inline]
 text_poke_bp_batch+0x233/0x6c0 arch/x86/kernel/alternative.c:1419
 text_poke_flush arch/x86/kernel/alternative.c:1589 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:1586 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1596
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x32f/0x410 kernel/jump_label.c:830
 static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177
 static_key_enable+0x16/0x20 kernel/jump_label.c:190
 toggle_allocation_gate mm/kfence/core.c:808 [inline]
 toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:800
 process_one_work+0x996/0x1610 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e9/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
 </TASK>
----------------
Code disassembly (best guess):
   0:	3a 00                	cmp    (%rax),%al
   2:	74 ef                	je     0xfffffff3
   4:	49 8d 04 2c          	lea    (%r12,%rbp,1),%rax
   8:	48 85 d2             	test   %rdx,%rdx
   b:	75 0b                	jne    0x18
   d:	48 89 da             	mov    %rbx,%rdx
  10:	48 29 c2             	sub    %rax,%rdx
  13:	e9 55 ff ff ff       	jmpq   0xffffff6d
  18:	49 39 d2             	cmp    %rdx,%r10
  1b:	75 17                	jne    0x34
  1d:	49 0f be 02          	movsbq (%r10),%rax
  21:	41 83 e1 07          	and    $0x7,%r9d
  25:	49 39 c1             	cmp    %rax,%r9
  28:	7d 0a                	jge    0x34
* 2a:	5b                   	pop    %rbx <-- trapping instruction
  2b:	b8 01 00 00 00       	mov    $0x1,%eax
  30:	5d                   	pop    %rbp
  31:	41 5c                	pop    %r12
  33:	c3                   	retq
  34:	44 89 c2             	mov    %r8d,%edx
  37:	e8 03 f0 ff ff       	callq  0xfffff03f
  3c:	5b                   	pop    %rbx
  3d:	83 f0 01             	xor    $0x1,%eax

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2021/08/30 08:37 net-next eaf2aaec0be4 9d2ab5df .config log report syz C
ci-upstream-kasan-gce 2021/06/01 12:37 upstream c2131f7e73c9 424dd8e7 .config log syz C
ci-upstream-kasan-gce 2021/05/02 11:26 upstream 17ae69aba89d 424dd8e7 .config log syz C
ci-upstream-kasan-gce 2021/04/02 05:25 upstream 1678e493d530 424dd8e7 .config log syz C
ci-upstream-kasan-gce 2021/03/01 18:41 upstream fe07bfda2fb9 424dd8e7 .config log syz C
ci-upstream-kasan-gce 2021/01/17 01:57 upstream 0da0a8a0a0e1 424dd8e7 .config log syz C
ci-upstream-kasan-gce 2020/12/17 22:14 upstream d64c6f96ba86 424dd8e7 .config log report syz C
ci-upstream-kasan-gce 2020/10/24 14:32 upstream f11901ed723d 424dd8e7 .config log syz C
Crashes (112):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2022/06/18 02:45 upstream f0ec9c65a8d6 cb58b3b2 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-smack-root 2022/04/29 04:13 upstream 259b897e5a79 e9076525 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2022/04/21 14:22 upstream b253435746d9 d4befee1 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2022/04/17 10:31 upstream 90ea17a9e27b 8bcc32a6 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-selinux-root 2022/04/08 08:41 upstream 42e7a03d3bad c6ff3e05 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2022/04/01 07:46 upstream b4a5ea09b293 68fc921a .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce 2022/01/02 13:42 upstream 278218f6778b e1768e9c .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce 2021/12/28 05:30 upstream a8ad9a2434dc 6b3c5e64 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/01/02 16:08 net ae81de737885 e1768e9c .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/12/28 04:17 net-next b4aadd207322 6b3c5e64 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/06/27 16:59 net-next ff8744b5eb11 9d2ab5df .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/06/27 13:14 net-next ff8744b5eb11 9d2ab5df .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-linux-next-kasan-gce-root 2022/05/26 15:54 linux-next b1d84fc09a96 3037caa9 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-linux-next-kasan-gce-root 2022/04/27 00:49 linux-next 088fb7eff349 1fa34c1b .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-linux-next-kasan-gce-root 2022/03/10 19:44 linux-next 91265a6da44d 9e8eaa75 .config log report syz C INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-smack-root 2022/03/03 08:53 upstream 92ebf5f91b4d 45a13a73 .config log report syz C BUG: soft lockup in tc_modify_qdisc
ci-upstream-kasan-gce 2020/08/16 23:54 upstream 4b6c093e21d3 424dd8e7 .config log report syz C
ci-upstream-kasan-gce-smack-root 2020/08/09 10:42 upstream 06a81c1c7db9 f721e4a0 .config log report syz C
ci-upstream-kasan-gce-root 2020/08/07 22:36 upstream d6efb3ac3e6c cb436c69 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/08/08 00:42 net 8912fd6a61d7 cb436c69 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/07/28 18:12 net 181964e619b7 cb93dc6a .config log report syz C
ci-upstream-net-kasan-gce 2020/08/08 02:25 net-next bfdd5aaa54b0 cb436c69 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/08/13 11:15 linux-next bc09acc9f224 bc15f7db .config log report syz C
ci-upstream-kasan-gce-root 2022/06/05 13:10 upstream 952923ddc011 c8857892 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2022/05/09 17:25 upstream c5eb0a61238d 8b277b8e .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2022/03/28 05:58 upstream f82da161ea75 89bc8608 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-smack-root 2022/02/08 05:27 upstream 555f3d7be91a a7dab638 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2022/02/07 23:36 upstream dfd42facf1e4 a7dab638 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2022/01/15 00:48 upstream fb3b0673b7d5 53e00b45 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce 2021/12/13 06:31 upstream 90d9fbc16b69 49ca1f59 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce 2021/11/27 13:17 upstream c5c17547b778 63eeac02 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce 2021/11/18 11:24 upstream 42eb8fdac2fc cafff8b6 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2021/11/18 01:08 upstream ee1703cda8dc cafff8b6 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-root 2021/11/12 11:05 upstream 5833291ab6de 75b04091 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-386 2022/03/31 10:02 upstream 787af64d05cd 9d49f3a7 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-386 2022/02/16 14:12 upstream c5d9ae265b10 8b9ca619 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-386 2022/01/31 18:01 upstream 26291c54e111 6b7c57fe .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-386 2021/11/22 21:04 upstream 136057256686 545ab074 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-kasan-gce-386 2021/11/21 10:43 upstream 923dcc5eb0c1 4eb20a4e .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/05/15 09:31 net 9500acc631db 744a39e2 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/04/23 20:47 net 5fd1fe4807f9 131df97d .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/04/21 08:26 net 5e6242151d7f d4befee1 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/04/01 22:07 net c3efcedd272a 20955a24 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/03/11 14:21 net 186d32bbf034 9e8eaa75 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/02/09 01:27 net fe4f57bf7b58 0b33604d .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/02/01 07:20 net 341adeec9ada 6b7c57fe .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2022/01/08 02:51 net dc35616e6c29 2ca0d385 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2021/12/11 18:07 net ab443c539167 49ca1f59 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2021/12/02 20:35 net a37a0ee4d25c 61f86278 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2021/12/02 06:53 net 3968e3cafafb 61f86278 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-this-kasan-gce 2021/11/17 03:49 net 848e5d66fa31 cafff8b6 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/06/14 19:39 net-next 7e5e8ec7dbd8 127d1faf .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/05/30 03:13 net-next 7e062cda7d90 a46af346 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/03/28 22:36 net-next 169e77764adc ee339263 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/02/23 22:42 net-next 922ea87ff6f2 6e821dbf .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/02/22 17:34 net-next b6553c71813f 6e821dbf .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/02/05 17:13 net-next ed8c8f605c0b a7dab638 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/02/04 04:41 net-next 9c30918925d7 30646bfe .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/02/02 07:06 net-next e4d2763f9aaf 4ebb2798 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/01/30 05:15 net-next ff58831fa02d 495e00c5 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2022/01/21 11:06 net-next fe8152b38d3a ab3d9f17 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/12/28 00:13 net-next 32f52e8e78d3 5140bd58 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/12/24 00:10 net-next bb53bcb2b104 6caa12e4 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/12/09 11:32 net-next 3a262c71d3e8 a4a2a501 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/12/06 00:54 net-next ce83278f313c a617004c .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/11/30 16:00 net-next 72a2ff567fc3 80270552 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/11/30 00:38 net-next 2f7ed29f2c54 d0830353 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2021/11/23 22:58 net-next 2106efda785b 545ab074 .config log report info INFO: rcu detected stall in tc_modify_qdisc
ci-upstream-net-kasan-gce 2020/11/16 09:31 net-next 0064c5c1b3bf 1bf9a662 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/07/13 08:27 linux-next d31958b30ea3 9ebcc5b1 .config log report