Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/04/01 | upstream (ToT) | 08733088b566 | C | [report] unregister_netdevice: waiting for DEV to become free |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2025/04/01 | upstream (ToT) | 08733088b566 | C | [report] unregister_netdevice: waiting for DEV to become free |
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4306/1:b..l (detected by 0, t=10502 jiffies, g=3797, q=58 ncpus=2) task:syz-executor916 state:R running task stack:0 pid:4306 ppid:4303 flags:0x00000004 Call trace: __switch_to+0x308/0x598 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6561 preempt_schedule_irq+0x8c/0x1b8 kernel/sched/core.c:6873 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:265 [inline] __el1_irq arch/arm64/kernel/entry-common.c:474 [inline] el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 arch_local_irq_restore+0x8/0x10 arch/arm64/include/asm/irqflags.h:122 lock_is_held include/linux/lockdep.h:283 [inline] rcu_read_lock_sched_held+0x38/0xb4 kernel/rcu/update.c:125 task_css include/linux/cgroup.h:509 [inline] mem_cgroup_from_task+0x50/0x120 mm/memcontrol.c:985 get_obj_cgroup_from_current+0x294/0x540 mm/memcontrol.c:3025 memcg_slab_pre_alloc_hook mm/slab.h:485 [inline] slab_pre_alloc_hook mm/slab.h:715 [inline] slab_alloc_node mm/slub.c:3318 [inline] __kmem_cache_alloc_node+0xdc/0x388 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:935 [inline] __kmalloc_node+0xcc/0x1d0 mm/slab_common.c:943 kmalloc_node include/linux/slab.h:589 [inline] kvmalloc_node+0x84/0x1e4 mm/util.c:581 kvmalloc include/linux/slab.h:716 [inline] alloc_fdtable+0x148/0x238 fs/file.c:138 dup_fd+0x6a0/0x9a0 fs/file.c:337 copy_files+0x68/0x100 kernel/fork.c:1636 copy_process+0x1614/0x38f8 kernel/fork.c:2254 kernel_clone+0x1d8/0x98c kernel/fork.c:2681 __do_sys_clone kernel/fork.c:2822 [inline] __se_sys_clone kernel/fork.c:2790 [inline] __arm64_sys_clone+0x1e0/0x258 kernel/fork.c:2790 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 rcu: rcu_preempt kthread starved for 10502 jiffies! g3797 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 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:R running task stack:0 pid:16 ppid:2 flags:0x00000008 Call trace: __switch_to+0x308/0x598 arch/arm64/kernel/process.c:553 context_switch kernel/sched/core.c:5244 [inline] __schedule+0xef4/0x1d44 kernel/sched/core.c:6561 schedule+0xc4/0x170 kernel/sched/core.c:6637 schedule_timeout+0x1d8/0x344 kernel/time/timer.c:1965 rcu_gp_fqs_loop+0x2cc/0x1538 kernel/rcu/tree.c:1706 rcu_gp_kthread+0xc0/0x308 kernel/rcu/tree.c:1905 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 PID: 4326 Comm: syz-executor916 Not tainted 6.1.132-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] pc : _raw_spin_unlock_irq+0x44/0x90 kernel/locking/spinlock.c:202 lr : __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] lr : _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202 sp : ffff8000213679c0 x29: ffff8000213679c0 x28: ffff0000d9b49718 x27: ffff800021367d60 x26: 1ffff0000426cf54 x25: dfff800000000000 x24: 1fffe0001b3692e3 x23: 0000000000000021 x22: 0000000000000020 x21: 0000ffff9cc86b20 x20: ffff0000d987d340 x19: ffff0000d9b49280 x18: 1fffe0001924b5fc x17: 0000000000000000 x16: ffff800008302888 x15: 0000000000000000 x14: 0000000000000001 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000ff0100 x10: 0000000000000003 x9 : 0000000000000000 x8 : 00000000000000e0 x7 : 0000000018000004 x6 : 0000ffff9cc86b20 x5 : ffff800021367d80 x4 : ffff0000d9b49738 x3 : 0000000000000000 x2 : ffff8000213678e0 x1 : ffff80001248d5c0 x0 : ffff80019e26e000 Call trace: arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] _raw_spin_unlock_irq+0x44/0x90 kernel/locking/spinlock.c:202 spin_unlock_irq include/linux/spinlock.h:401 [inline] get_signal+0x1258/0x1528 kernel/signal.c:2874 do_signal arch/arm64/kernel/signal.c:1076 [inline] do_notify_resume+0x2f8/0x2cb8 arch/arm64/kernel/signal.c:1129 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/03/30 14:53 | linux-6.1.y | 8e60a714ba3b | d3999433 | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: rcu detected stall in sys_clone | |
2024/11/29 12:25 | linux-6.1.y | e4d90d63d385 | 5df23865 | .config | console log | report | syz / log | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2025/05/15 05:05 | linux-6.1.y | 02b72ccb5f9d | d6b2ee52 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2025/04/06 03:15 | linux-6.1.y | 8e60a714ba3b | 1c65791e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2025/02/27 13:27 | linux-6.1.y | 3a8358583626 | 6a8fcbc4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2025/02/27 08:39 | linux-6.1.y | 3a8358583626 | 6a8fcbc4 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2025/02/14 11:04 | linux-6.1.y | 0cbb5f65e52f | d9a046cf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2025/01/30 13:03 | linux-6.1.y | 75cefdf153f5 | afe4eff5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2025/01/14 16:11 | linux-6.1.y | c63962be84ef | f310a27d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2025/01/09 23:14 | linux-6.1.y | c63962be84ef | 9220929f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2024/12/14 19:12 | linux-6.1.y | e4d90d63d385 | 7cbfbb3a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2024/12/11 22:51 | linux-6.1.y | e4d90d63d385 | ff949d25 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2024/10/24 19:19 | linux-6.1.y | 7ec6f9fa3d97 | 0d144d1a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2024/10/19 15:14 | linux-6.1.y | 54d90d17e8ce | cd6fc0a3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2024/10/15 01:36 | linux-6.1.y | aa4cd140bba5 | b01b6661 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2024/09/28 14:49 | linux-6.1.y | e526b12bf916 | ba29ff75 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2024/07/30 19:34 | linux-6.1.y | c1cec4dad96b | 6fde257d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_clone | ||
2024/07/06 22:30 | linux-6.1.y | 7753af06eebf | 2a40360c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2024/06/22 03:02 | linux-6.1.y | eb44d83053d6 | edc5149a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2024/05/27 10:47 | linux-6.1.y | 88690811da69 | 761766e6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2024/05/03 04:16 | linux-6.1.y | 909ba1f1b414 | ddfc15a1 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone | ||
2024/03/20 15:16 | linux-6.1.y | d7543167affd | 5b7d42ae | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_clone |