Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/12/15 | upstream (ToT) | 2d8308bf5b67 | C | [report] INFO: rcu detected stall in do_idle |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2024/12/15 | upstream (ToT) | 2d8308bf5b67 | C | [report] INFO: rcu detected stall in do_idle |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2025/09/11 00:33 | 2h09m | bisect fix | linux-6.1.y | OK (0) job log log | |
2025/07/06 01:41 | 2h15m | bisect fix | linux-6.1.y | OK (0) job log log | |
2025/04/30 06:49 | 2h03m | bisect fix | linux-6.1.y | OK (0) job log log | |
2025/03/27 23:48 | 2h23m | bisect fix | linux-6.1.y | OK (0) job log log | |
2025/02/23 08:19 | 1h46m | bisect fix | linux-6.1.y | OK (0) job log log | |
2025/01/24 04:14 | 1h42m | bisect fix | linux-6.1.y | OK (0) job log log |
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2685 jiffies s: 3457 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4424 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:__remove_hrtimer kernel/time/hrtimer.c:1135 [inline] RIP: 0010:__run_hrtimer kernel/time/hrtimer.c:1727 [inline] RIP: 0010:__hrtimer_run_queues+0x36a/0xd60 kernel/time/hrtimer.c:1811 Code: 89 d0 48 c1 e8 03 48 89 84 24 d0 00 00 00 42 0f b6 04 28 84 c0 48 89 54 24 28 0f 85 87 04 00 00 44 0f b6 3a c6 02 00 44 89 fe <83> e6 01 31 ff e8 5c dc 0f 00 41 f6 c7 01 75 0a e8 f1 d9 0f 00 e9 RSP: 0018:ffffc900001e0d20 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff8880b8f2a748 RCX: ffff888079033b80 RDX: ffff88807d544378 RSI: 0000000000000001 RDI: ffffffff8adefcc0 RBP: ffffc900001e0e88 R08: dffffc0000000000 R09: fffffbfff1c3ecb6 R10: fffffbfff1c3ecb6 R11: 1ffffffff1c3ecb5 R12: ffff88807d544340 R13: dffffc0000000000 R14: ffff8880b8f2a580 R15: 0000000000000001 FS: 00005555693f2500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000300 CR3: 0000000029f59000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> hrtimer_interrupt+0x3c5/0x9c0 kernel/time/hrtimer.c:1873 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline] __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1118 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa5/0x100 kernel/locking/spinlock.c:194 Code: 74 05 e8 8e 80 65 f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 96 0b 36 f7 65 8b 05 97 c4 e0 75 85 c0 74 3c 48 c7 04 24 0e 36 RSP: 0018:ffffc900033d6d20 EFLAGS: 00000206 RAX: 63262e1ec1db8000 RBX: 0000000000000a02 RCX: 63262e1ec1db8000 RDX: dffffc0000000000 RSI: ffffffff8a8c0500 RDI: 0000000000000001 RBP: ffffc900033d6db0 R08: dffffc0000000000 R09: fffffbfff215c46b R10: fffffbfff215c46b R11: 1ffffffff215c46a R12: dffffc0000000000 R13: 0000000000000a02 R14: ffff88807d5442e8 R15: 1ffff9200067ada4 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] taprio_change+0x4143/0x50f0 net/sched/sch_taprio.c:1689 qdisc_create+0x7cb/0x1090 net/sched/sch_api.c:1315 tc_modify_qdisc+0xb2f/0x1cc0 net/sched/sch_api.c:-1 rtnetlink_rcv_msg+0x79b/0xed0 net/core/rtnetlink.c:6153 netlink_rcv_skb+0x1de/0x420 net/netlink/af_netlink.c:2511 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline] netlink_unicast+0x74d/0x8d0 net/netlink/af_netlink.c:1344 netlink_sendmsg+0x89e/0xbc0 net/netlink/af_netlink.c:1872 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] ____sys_sendmsg+0x59b/0x970 net/socket.c:2519 ___sys_sendmsg+0x21c/0x290 net/socket.c:2573 __sys_sendmsg net/socket.c:2602 [inline] __do_sys_sendmsg net/socket.c:2611 [inline] __se_sys_sendmsg+0x19e/0x270 net/socket.c:2609 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f5527d8eec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fffb5159a88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f5527fe5fa0 RCX: 00007f5527d8eec9 RDX: 0000000000000000 RSI: 00002000000007c0 RDI: 0000000000000004 RBP: 00007f5527e11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5527fe5fa0 R14: 00007f5527fe5fa0 R15: 0000000000000003 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/10/03 13:28 | linux-6.1.y | 882efbdd9d34 | 49379ee0 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | |
2025/05/30 18:45 | linux-6.1.y | da3c5173c55f | 3d2f584d | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | |
2024/12/14 12:35 | linux-6.1.y | e4d90d63d385 | 7cbfbb3a | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | |
2025/06/04 09:48 | linux-6.1.y | da3c5173c55f | a30356b7 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/05/30 14:24 | linux-6.1.y | da3c5173c55f | 3d2f584d | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/10/09 08:08 | linux-6.1.y | 882efbdd9d34 | 7e2882b3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/10/03 12:04 | linux-6.1.y | 882efbdd9d34 | 49379ee0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/10/03 11:01 | linux-6.1.y | 882efbdd9d34 | 49379ee0 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/08/02 16:40 | linux-6.1.y | 3594f306da12 | 7368264b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/08/02 16:37 | linux-6.1.y | 3594f306da12 | 7368264b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/08/02 08:08 | linux-6.1.y | 3594f306da12 | 7368264b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/08/02 08:06 | linux-6.1.y | 3594f306da12 | 7368264b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2024/11/08 00:03 | linux-6.1.y | 7c15117f9468 | 867e44df | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in tc_modify_qdisc | ||
2025/07/11 12:21 | linux-6.1.y | dfc486ec9cce | 3cda49cf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | BUG: soft lockup in tc_modify_qdisc |