| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/04/22 | upstream (ToT) | ed30a4a51bb1 | C | [report] INFO: rcu detected stall in corrupted |
| 2025/06/03 | upstream (ToT) | 546b1c9e93c2 | C | Failed due to an error; will retry later |
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| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/04/22 | upstream (ToT) | ed30a4a51bb1 | C | [report] INFO: rcu detected stall in corrupted |
| 2025/06/03 | upstream (ToT) | 546b1c9e93c2 | C | Failed due to an error; will retry later |
| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: rcu detected stall in sock_setsockopt bpf | 1 | 2 | 2196d | 2196d | 0/29 | closed as invalid on 2019/12/04 14:04 | |||
| linux-6.1 | BUG: soft lockup in sock_setsockopt origin:upstream | 1 | C | error | 4 | 15h11m | 347d | 0/3 | upstream: reported C repro on 2024/12/25 11:22 | |
| android-5-15 | BUG: soft lockup in sock_setsockopt origin:upstream | 1 | C | 36 | 11d | 628d | 0/2 | upstream: reported C repro on 2024/03/19 21:44 | ||
| android-6-1 | BUG: soft lockup in sock_setsockopt origin:upstream | 1 | C | 13 | 7d14h | 628d | 0/2 | upstream: reported C repro on 2024/03/19 21:39 | ||
| android-5-10 | BUG: soft lockup in sock_setsockopt | 1 | C | error | 83 | 11h37m | 628d | 0/2 | upstream: reported C repro on 2024/03/19 19:29 | |
| upstream | BUG: soft lockup in sock_setsockopt (2) bpf | 1 | 1 | 1985d | 1981d | 0/29 | auto-closed as invalid on 2020/09/30 02:55 | |||
| upstream | BUG: soft lockup in sock_setsockopt bpf | 1 | 1 | 2182d | 2182d | 0/29 | auto-closed as invalid on 2020/04/16 03:54 |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2025/11/25 17:30 | 12m | retest repro | linux-5.15.y | report log | |
| 2025/11/25 17:30 | 14m | retest repro | linux-5.15.y | report log | |
| 2025/11/10 02:41 | 20m | retest repro | linux-5.15.y | report log | |
| 2025/11/10 02:41 | 12m | retest repro | linux-5.15.y | report log | |
| 2025/11/10 02:41 | 14m | retest repro | linux-5.15.y | report log | |
| 2025/11/10 02:41 | 19m | retest repro | linux-5.15.y | report log | |
| 2025/10/29 19:28 | 13m | retest repro | linux-5.15.y | report log | |
| 2025/10/29 19:28 | 15m | retest repro | linux-5.15.y | report log | |
| 2025/09/16 13:57 | 14m | retest repro | linux-5.15.y | report log | |
| 2025/09/16 07:53 | 14m | retest repro | linux-5.15.y | report log |
| Created | Duration | User | Patch | Repo | Result |
|---|---|---|---|---|---|
| 2025/10/09 17:17 | 3h10m | bisect fix | linux-5.15.y | OK (0) job log log | |
| 2025/08/06 02:29 | 3h15m | bisect fix | linux-5.15.y | OK (0) job log log | |
| 2025/05/23 17:32 | 2h10m | bisect fix | linux-5.15.y | OK (0) job log log | |
| 2024/11/18 11:07 | 1h45m | bisect fix | linux-5.15.y | OK (0) job log log | |
| 2024/08/21 17:30 | 1h50m | bisect fix | linux-5.15.y | OK (0) job log log | |
| 2024/07/21 01:46 | 1h41m | bisect fix | linux-5.15.y | OK (0) job log log | |
| 2024/06/07 07:48 | 1h31m | bisect fix | linux-5.15.y | OK (0) job log log |
rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-...!: (10500 ticks this GP) idle=62b/1/0x4000000000000000 softirq=31937/31943 fqs=0 (t=10500 jiffies g=33661 q=152) rcu: rcu_preempt kthread timer wakeup didn't happen for 10499 jiffies! g33661 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=1 timer-softirq=7648 rcu: rcu_preempt kthread starved for 10500 jiffies! g33661 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:27584 pid: 15 ppid: 2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5049 [inline] __schedule+0x11bb/0x4390 kernel/sched/core.c:6395 schedule+0x11b/0x1e0 kernel/sched/core.c:6478 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 </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: 23363 Comm: syz.1.6294 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x141/0x190 arch/x86/kernel/kvm.c:918 Code: 89 df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 47 0f b6 1f e8 1f e2 49 00 44 38 e3 75 10 66 90 0f 00 2d 01 69 d4 08 fb f4 <e9> 33 ff ff ff fb e9 2d ff ff ff e8 df 65 75 08 89 f9 80 e1 07 38 RSP: 0018:ffffc90005137780 EFLAGS: 00000246 RAX: b8510c4597b93f00 RBX: 0000000000000003 RCX: b8510c4597b93f00 RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580 RBP: ffffc90005137830 R08: dffffc0000000000 R09: fffffbfff1ff7c41 R10: fffffbfff1ff7c41 R11: 1ffffffff1ff7c40 R12: 0000000000000003 R13: ffff8880b913b154 R14: dffffc0000000000 R15: 1ffff92000a26ef0 FS: 00007f4b6d15b6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4b6d15af98 CR3: 000000005bf52000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x60f/0x9c0 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x217/0x280 kernel/locking/spinlock_debug.c:115 spin_lock_bh include/linux/spinlock.h:369 [inline] lock_sock_nested+0x68/0x100 net/core/sock.c:3259 lock_sock include/net/sock.h:1731 [inline] tipc_sendstream+0x43/0x70 net/tipc/socket.c:1549 sock_sendmsg_nosec net/socket.c:706 [inline] __sock_sendmsg net/socket.c:718 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2446 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2500 __sys_sendmsg net/socket.c:2529 [inline] __do_sys_sendmsg net/socket.c:2538 [inline] __se_sys_sendmsg+0x190/0x250 net/socket.c:2536 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f4b6db0d749 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:00007f4b6d15b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4b6dd64090 RCX: 00007f4b6db0d749 RDX: 0000000000008010 RSI: 0000200000000240 RDI: 0000000000000004 RBP: 00007f4b6db91f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4b6dd64128 R14: 00007f4b6dd64090 R15: 00007fffc49a9b48 </TASK> NMI backtrace for cpu 0 CPU: 0 PID: 23360 Comm: syz.1.6294 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Call Trace: <IRQ> dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 nmi_cpu_backtrace+0x397/0x3d0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x163/0x280 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x22f/0x380 kernel/rcu/tree_stall.h:349 print_cpu_stall+0x31d/0x5f0 kernel/rcu/tree_stall.h:633 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline] rcu_pending kernel/rcu/tree.c:3936 [inline] rcu_sched_clock_irq+0x6d8/0x1110 kernel/rcu/tree.c:2619 update_process_times+0x193/0x200 kernel/time/timer.c:1818 tick_sched_handle kernel/time/tick-sched.c:254 [inline] tick_sched_timer+0x37d/0x560 kernel/time/tick-sched.c:1473 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x4fe/0xc40 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline] RIP: 0010:write_comp_data kernel/kcov.c:227 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x2c/0x80 kernel/kcov.c:293 Code: 04 24 65 48 8b 0d 44 a0 8a 7e 65 8b 15 45 a0 8a 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 5b 83 b9 34 16 00 00 00 74 52 <8b> 91 10 16 00 00 83 fa 03 75 47 48 8b 91 18 16 00 00 44 8b 89 14 RSP: 0018:ffffc90004cd6538 EFLAGS: 00000246 RAX: ffffffff8956cb79 RBX: ffff88805bf9c000 RCX: ffff88802aba8000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90004cd6650 R08: dffffc0000000000 R09: fffffbfff1ff7c19 R10: fffffbfff1ff7c19 R11: 1ffffffff1ff7c18 R12: ffff8880204dc000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88805bf9d138 __rhashtable_lookup include/linux/rhashtable.h:594 [inline] rhashtable_lookup include/linux/rhashtable.h:638 [inline] tipc_sk_lookup+0x189/0x8d0 net/tipc/socket.c:2999 tipc_sk_rcv+0x3f6/0x2be0 net/tipc/socket.c:2492 tipc_node_xmit+0x1b9/0xe50 net/tipc/node.c:1703 tipc_node_xmit_skb net/tipc/node.c:1768 [inline] tipc_node_distr_xmit+0x29a/0x3a0 net/tipc/node.c:1783 tipc_sk_rcv+0x2693/0x2be0 net/tipc/socket.c:2501 tipc_node_xmit+0x1b9/0xe50 net/tipc/node.c:1703 tipc_sk_push_backlog net/tipc/socket.c:1316 [inline] tipc_sk_filter_connect net/tipc/socket.c:2255 [inline] tipc_sk_filter_rcv+0x1b30/0x3000 net/tipc/socket.c:2364 tipc_sk_enqueue net/tipc/socket.c:2445 [inline] tipc_sk_rcv+0x8a2/0x2be0 net/tipc/socket.c:2497 tipc_node_xmit+0x1b9/0xe50 net/tipc/node.c:1703 tipc_node_xmit_skb net/tipc/node.c:1768 [inline] tipc_node_distr_xmit+0x29a/0x3a0 net/tipc/node.c:1783 tipc_sk_backlog_rcv+0x19e/0x230 net/tipc/socket.c:2412 sk_backlog_rcv include/net/sock.h:1067 [inline] __release_sock+0x1b9/0x420 net/core/sock.c:2730 release_sock+0x5b/0x1b0 net/core/sock.c:3271 sock_setsockopt+0x1502/0x2270 net/core/sock.c:1379 __sys_setsockopt+0x2f6/0x3d0 net/socket.c:2209 __do_sys_setsockopt net/socket.c:2224 [inline] __se_sys_setsockopt net/socket.c:2221 [inline] __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2221 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f4b6db0d749 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:00007f4b6d17c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f4b6dd63fa0 RCX: 00007f4b6db0d749 RDX: 0000000000000021 RSI: 0000000000000001 RDI: 0000000000000003 RBP: 00007f4b6db91f91 R08: 0000000000000004 R09: 0000000000000000 R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4b6dd64038 R14: 00007f4b6dd63fa0 R15: 00007fffc49a9b48 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 23363 Comm: syz.1.6294 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x141/0x190 arch/x86/kernel/kvm.c:918 Code: 89 df 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 47 0f b6 1f e8 1f e2 49 00 44 38 e3 75 10 66 90 0f 00 2d 01 69 d4 08 fb f4 <e9> 33 ff ff ff fb e9 2d ff ff ff e8 df 65 75 08 89 f9 80 e1 07 38 RSP: 0018:ffffc90005137780 EFLAGS: 00000246 RAX: b8510c4597b93f00 RBX: 0000000000000003 RCX: b8510c4597b93f00 RDX: dffffc0000000000 RSI: ffffffff8a0b1c60 RDI: ffffffff8a59e580 RBP: ffffc90005137830 R08: dffffc0000000000 R09: fffffbfff1ff7c41 R10: fffffbfff1ff7c41 R11: 1ffffffff1ff7c40 R12: 0000000000000003 R13: ffff8880b913b154 R14: dffffc0000000000 R15: 1ffff92000a26ef0 FS: 00007f4b6d15b6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4b6d15af98 CR3: 000000005bf52000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x60f/0x9c0 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath+0x43/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x217/0x280 kernel/locking/spinlock_debug.c:115 spin_lock_bh include/linux/spinlock.h:369 [inline] lock_sock_nested+0x68/0x100 net/core/sock.c:3259 lock_sock include/net/sock.h:1731 [inline] tipc_sendstream+0x43/0x70 net/tipc/socket.c:1549 sock_sendmsg_nosec net/socket.c:706 [inline] __sock_sendmsg net/socket.c:718 [inline] ____sys_sendmsg+0x5a2/0x8c0 net/socket.c:2446 ___sys_sendmsg+0x1f0/0x260 net/socket.c:2500 __sys_sendmsg net/socket.c:2529 [inline] __do_sys_sendmsg net/socket.c:2538 [inline] __se_sys_sendmsg+0x190/0x250 net/socket.c:2536 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f4b6db0d749 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:00007f4b6d15b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f4b6dd64090 RCX: 00007f4b6db0d749 RDX: 0000000000008010 RSI: 0000200000000240 RDI: 0000000000000004 RBP: 00007f4b6db91f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4b6dd64128 R14: 00007f4b6dd64090 R15: 00007fffc49a9b48 </TASK>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025/11/30 23:21 | linux-5.15.y | cc5ec8769306 | d6526ea3 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: rcu detected stall in sock_setsockopt | |
| 2025/02/16 13:12 | linux-5.15.y | c16c81c81336 | 40a34ec9 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: rcu detected stall in sock_setsockopt | |
| 2024/09/18 07:49 | linux-5.15.y | 3a5928702e71 | c673ca06 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: rcu detected stall in sock_setsockopt | |
| 2024/05/06 06:42 | linux-5.15.y | 284087d4f7d5 | 610f2a54 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: rcu detected stall in sock_setsockopt | |
| 2024/04/09 11:26 | linux-5.15.y | 9465fef4ae35 | f3234354 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: rcu detected stall in sock_setsockopt | |
| 2024/03/24 19:21 | linux-5.15.y | b95c01af2113 | 0ea90952 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: rcu detected stall in sock_setsockopt | |
| 2025/03/03 02:28 | linux-5.15.y | c16c81c81336 | c3901742 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in sock_setsockopt | |
| 2025/01/26 03:28 | linux-5.15.y | 003148680b79 | 9fbd772e | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in sock_setsockopt | |
| 2025/01/24 10:19 | linux-5.15.y | 003148680b79 | 521b0ce3 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in sock_setsockopt | |
| 2025/02/22 05:06 | linux-5.15.y | c16c81c81336 | d34966d1 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-perf | INFO: rcu detected stall in sock_setsockopt |