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[ 8125] 0 8125 4423 527 49152 0 1000 syz-executor046 [ 8126] 0 8126 4423 527 49152 0 1000 syz-executor046 [ 8127] 0 8127 4423 527 49152 0 1000 syz-executor046 rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9524 rcu: (detected by 0, t=10503 jiffies, g=5025, q=2) syz-executor046 R running task 26800 9524 8347 0x80000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3641 ___preempt_schedule+0x16/0x18 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] task_unlock include/linux/sched/task.h:152 [inline] dump_tasks mm/oom_kill.c:428 [inline] dump_header+0xb92/0xc3f mm/oom_kill.c:452 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 out_of_memory mm/oom_kill.c:1132 [inline] out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline] __alloc_pages_slowpath mm/page_alloc.c:4255 [inline] __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 fallback_alloc+0x213/0x2e0 mm/slab.c:3224 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 anon_vma_chain_alloc mm/rmap.c:129 [inline] anon_vma_clone+0x32d/0x5e0 mm/rmap.c:273 anon_vma_fork+0x82/0x630 mm/rmap.c:332 dup_mmap kernel/fork.c:504 [inline] dup_mm kernel/fork.c:1285 [inline] copy_mm kernel/fork.c:1341 [inline] copy_process.part.0+0x360f/0x8260 kernel/fork.c:1913 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f13005389b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f13004ea1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f13005c03e8 RCX: 00007f13005389b9 RDX: 0000000000000000 RSI: 00000000200012c0 RDI: 0000000000020400 RBP: 00007f13005c03e0 R08: 0000000000000000 R09: 0000000e00000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13005c03ec R13: 00007ffcc678538f R14: 00007f13004ea300 R15: 0000000000022000 syz-executor046 R running task 26800 9524 8347 0x80000000 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3641 ___preempt_schedule+0x16/0x18 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x3b/0x40 kernel/locking/spinlock.c:176 spin_unlock include/linux/spinlock.h:369 [inline] task_unlock include/linux/sched/task.h:152 [inline] dump_tasks mm/oom_kill.c:428 [inline] dump_header+0xb92/0xc3f mm/oom_kill.c:452 oom_kill_process.cold+0x10/0x692 mm/oom_kill.c:956 out_of_memory mm/oom_kill.c:1132 [inline] out_of_memory+0x34d/0x1390 mm/oom_kill.c:1064 __alloc_pages_may_oom mm/page_alloc.c:3553 [inline] __alloc_pages_slowpath mm/page_alloc.c:4255 [inline] __alloc_pages_nodemask+0x23a2/0x2890 mm/page_alloc.c:4419 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa4/0x8a0 mm/slab.c:2682 fallback_alloc+0x213/0x2e0 mm/slab.c:3224 __do_cache_alloc mm/slab.c:3361 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x1e4/0x370 mm/slab.c:3557 anon_vma_chain_alloc mm/rmap.c:129 [inline] anon_vma_clone+0x32d/0x5e0 mm/rmap.c:273 anon_vma_fork+0x82/0x630 mm/rmap.c:332 dup_mmap kernel/fork.c:504 [inline] dup_mm kernel/fork.c:1285 [inline] copy_mm kernel/fork.c:1341 [inline] copy_process.part.0+0x360f/0x8260 kernel/fork.c:1913 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f13005389b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 90 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f13004ea1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f13005c03e8 RCX: 00007f13005389b9 RDX: 0000000000000000 RSI: 00000000200012c0 RDI: 0000000000020400 RBP: 00007f13005c03e0 R08: 0000000000000000 R09: 0000000e00000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f13005c03ec R13: 00007ffcc678538f R14: 00007f13004ea300 R15: 0000000000022000 [ 8128] 0 8128 4423 527 49152 0 1000 syz-executor046
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/01/20 13:46 | linux-4.19.y | 3f8a27f9e27b | 5da9499f | .config | console log | report | syz | C | ci2-linux-4-19 | INFO: rcu detected stall in corrupted | ||
| 2020/02/13 05:05 | linux-4.19.y | 357668399cf7 | 84f4fc8a | .config | console log | report | syz | ci2-linux-4-19 |