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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: rcu detected stall in khugepaged (2) mm | 1 | 1 | 675d | 675d | 0/29 | auto-obsoleted due to no activity on 2024/11/17 09:26 | |||
| upstream | INFO: rcu detected stall in khugepaged mm | 1 | 1 | 1384d | 1384d | 0/29 | auto-obsoleted due to no activity on 2022/12/08 19:48 |
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P35/1:b..l rcu: (detected by 1, t=10503 jiffies, g=36033, q=759404 ncpus=2) task:khugepaged state:R running task stack:26888 pid:35 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1553/0x45a0 kernel/sched/core.c:6700 preempt_schedule_irq+0xbf/0x150 kernel/sched/core.c:7010 irqentry_exit+0x67/0x70 kernel/entry/common.c:438 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687 RIP: 0010:strscpy+0x4b/0x1c0 lib/string.c:178 Code: 48 81 fa ff ff ff 7f 0f 87 76 01 00 00 49 89 f4 48 89 fb 48 ba 00 00 00 00 00 fc ff df 45 31 ed 49 83 ff 08 0f 83 94 00 00 00 <4c> 01 eb 4d 01 ec 45 31 f6 4d 39 f7 0f 84 ca 00 00 00 4b 8d 3c 34 RSP: 0018:ffffc90000abf430 EFLAGS: 00000297 RAX: 1ffff110034ba2d1 RBX: ffff88801a5d1688 RCX: fefefefefefefeff RDX: dffffc0000000000 RSI: ffff88801ca744b0 RDI: ffff88801a5d1688 RBP: 0000000000000000 R08: ffff88801a5d161f R09: 1ffff110034ba2c3 R10: dffffc0000000000 R11: ffffed10034ba2c4 R12: ffff88801ca744b0 R13: 0000000000000008 R14: 676170656775686b R15: 0000000000000003 strscpy include/linux/fortify-string.h:358 [inline] __set_page_owner_handle+0x22f/0x3c0 mm/page_owner.c:177 __set_page_owner+0x45/0x60 mm/page_owner.c:197 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1c1/0x200 mm/page_alloc.c:1581 prep_new_page mm/page_alloc.c:1588 [inline] get_page_from_freelist+0x1951/0x19e0 mm/page_alloc.c:3220 __alloc_pages+0x1f0/0x460 mm/page_alloc.c:4500 __folio_alloc+0x10/0x20 mm/page_alloc.c:4532 alloc_charge_folio+0x47b/0xbf0 mm/khugepaged.c:1052 collapse_huge_page mm/khugepaged.c:1097 [inline] hpage_collapse_scan_pmd+0x1797/0x3ff0 mm/khugepaged.c:1393 khugepaged_scan_mm_slot mm/khugepaged.c:2411 [inline] khugepaged_do_scan mm/khugepaged.c:2499 [inline] khugepaged+0x921/0x15d0 mm/khugepaged.c:2555 kthread+0x2fa/0x390 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293 </TASK>
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026/06/16 00:13 | linux-6.6.y | 924b4a879cbb | 50bb0618 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-6-kasan | INFO: rcu detected stall in khugepaged |