Title | Replies (including bot) | Last reply |
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[syzbot] [net?] WARNING in rcu_note_context_switch (3) | 0 (1) | 2024/11/14 17:13 |
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[syzbot] [net?] WARNING in rcu_note_context_switch (3) | 0 (1) | 2024/11/14 17:13 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | WARNING in rcu_note_context_switch kernel | C | done | 1 | 1898d | 1898d | 13/28 | fixed on 2019/10/15 23:40 | |
upstream | WARNING in rcu_note_context_switch (2) rcu | C | 13 | 147d | 143d | 0/28 | auto-obsoleted due to no activity on 2024/09/25 21:55 |
------------[ cut here ]------------ Voluntary context switch within RCU read-side critical section! WARNING: CPU: 1 PID: 62 at kernel/rcu/tree_plugin.h:331 rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:331 Modules linked in: CPU: 1 UID: 0 PID: 62 Comm: kworker/u8:3 Not tainted 6.12.0-rc6-syzkaller-00279-gde2f378f2b77 #0 Hardware name: linux,dummy-virt (DT) Workqueue: bond0 bond_mii_monitor pstate: 614000c9 (nZCv daIF +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:331 lr : rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:331 sp : ffff800082f7ba00 x29: ffff800082f7ba00 x28: 0000000000000003 x27: f3f0000004214900 x26: 0000000000000000 x25: fff000007f8ee800 x24: 0000000000000000 x23: 0000000000000000 x22: f3f0000004214900 x21: 0000000000000000 x20: ffff8000827006c0 x19: fff000007f8ef6c0 x18: fffffffffffdbe58 x17: fff07ffffd1ef000 x16: ffff800080008000 x15: 0000000000000048 x14: fffffffffffdbea0 x13: ffff80008274e5d0 x12: 00000000000012cc x11: 0000000000000644 x10: ffff800082807c30 x9 : ffff80008274e5d0 x8 : 00000000ffffdfff x7 : ffff8000827fe5d0 x6 : 0000000000000644 x5 : fff000007f8e43c8 x4 : 40000000ffffe644 x3 : fff07ffffd1ef000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : f3f0000004214900 Call trace: rcu_note_context_switch+0x354/0x49c kernel/rcu/tree_plugin.h:331 __schedule+0xb8/0x8fc kernel/sched/core.c:6570 __schedule_loop kernel/sched/core.c:6767 [inline] schedule+0x34/0x104 kernel/sched/core.c:6782 synchronize_rcu_expedited+0x17c/0x1f0 kernel/rcu/tree_exp.h:991 synchronize_net+0x18/0x34 net/core/dev.c:11286 dev_deactivate_many+0x120/0x278 net/sched/sch_generic.c:1377 dev_deactivate+0x60/0xac net/sched/sch_generic.c:1403 linkwatch_do_dev+0x78/0xec net/core/link_watch.c:175 linkwatch_sync_dev+0x8c/0xc8 net/core/link_watch.c:263 ethtool_op_get_link+0x18/0x34 net/ethtool/ioctl.c:62 bond_check_dev_link+0x68/0x154 drivers/net/bonding/bond_main.c:873 bond_miimon_inspect drivers/net/bonding/bond_main.c:2717 [inline] bond_mii_monitor+0x110/0x91c drivers/net/bonding/bond_main.c:2939 process_one_work+0x15c/0x29c kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x24c/0x354 kernel/workqueue.c:3391 kthread+0x114/0x118 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 ---[ end trace 0000000000000000 ]---
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/11/10 17:09 | upstream | de2f378f2b77 | 6b856513 | .config | console log | report | info | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-qemu2-arm64-mte | WARNING in rcu_note_context_switch |