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rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2630 jiffies s: 8533 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4284 Comm: syz.3.210 Not tainted 6.1.103-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:lock_acquire+0x57/0x5a0 kernel/locking/lockdep.c:5630 Code: f6 48 89 7c 24 20 65 48 8b 04 25 28 00 00 00 48 89 84 24 00 01 00 00 49 bd 00 00 00 00 00 fc ff df 48 c7 44 24 40 b3 8a b5 41 <48> c7 44 24 48 05 d1 b5 8c 48 c7 44 24 50 d0 71 6a 81 4c 8d 64 24 RSP: 0018:ffffc900000071a0 EFLAGS: 00000086 RAX: b48d5407600b5a00 RBX: ffffc900000073a0 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d32afc0 RBP: ffffc900000072e8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88805c951e00 FS: 00007f4992cf36c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fefa82356c0 CR3: 000000005b015000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: <NMI> </NMI> <IRQ> rcu_lock_acquire include/linux/rcupdate.h:350 [inline] rcu_read_lock include/linux/rcupdate.h:791 [inline] __perf_output_begin kernel/events/ring_buffer.c:163 [inline] perf_output_begin_forward+0xcf/0xaf0 kernel/events/ring_buffer.c:271 __perf_event_output kernel/events/core.c:7698 [inline] perf_event_output_forward+0x1e5/0x330 kernel/events/core.c:7716 __perf_event_overflow+0x45e/0x640 kernel/events/core.c:9462 perf_tp_event+0x35a/0xc80 kernel/events/core.c:9995 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9968 perf_trace_preemptirq_template+0x2d1/0x3d0 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle+0xd5/0x140 include/trace/events/preemptirq.h:40 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:679 RIP: 0010:rcu_read_unlock_special+0x84/0x540 kernel/rcu/tree_plugin.h:682 Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 0d 48 8e 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a RSP: 0018:ffffc90000007ac0 EFLAGS: 00000206 RAX: b48d5407600b5a00 RBX: 1ffff92000000f60 RCX: ffffffff816adfda RDX: dffffc0000000000 RSI: ffffffff8b0c0260 RDI: ffffffff8b5d5de0 RBP: ffffc90000007ba0 R08: dffffc0000000000 R09: fffffbfff20e7245 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d32fe00 R13: ffff888025520458 R14: ffffc90000007b00 R15: 1ffff92000000f5c __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:823 [inline] ieee80211_iterate_active_interfaces_atomic+0x153/0x170 net/mac80211/util.c:826 mac80211_hwsim_beacon+0xd0/0x1e0 drivers/net/wireless/mac80211_hwsim.c:2142 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x5e5/0xe50 kernel/time/hrtimer.c:1750 hrtimer_run_softirq+0x196/0x2c0 kernel/time/hrtimer.c:1767 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:lock_acquire+0x26f/0x5a0 kernel/locking/lockdep.c:5666 Code: 2b 00 74 08 4c 89 f7 e8 9f a8 77 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25 RSP: 0018:ffffc90015a3eac0 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92002b47d64 RCX: 1ffff92002b47d04 RDX: dffffc0000000000 RSI: ffffffff8b0c13e0 RDI: ffffffff8b5d5de0 RBP: ffffc90015a3ec18 R08: dffffc0000000000 R09: fffffbfff20e7245 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92002b47d60 R13: dffffc0000000000 R14: ffffc90015a3eb20 R15: 0000000000000246 __raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline] _raw_spin_trylock+0x42/0x70 kernel/locking/spinlock.c:138 spin_trylock include/linux/spinlock.h:361 [inline] free_unref_page+0x156/0x3e0 mm/page_alloc.c:3478 free_slab mm/slub.c:2031 [inline] discard_slab mm/slub.c:2037 [inline] __unfreeze_partials+0x1b7/0x210 mm/slub.c:2586 put_cpu_partial+0x17b/0x250 mm/slub.c:2662 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0x76/0xe0 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x156/0x170 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x1f/0x70 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737 slab_alloc_node mm/slub.c:3398 [inline] __kmem_cache_alloc_node+0x137/0x260 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc_node_track_caller+0xa0/0x220 mm/slab_common.c:975 __do_krealloc mm/slab_common.c:1348 [inline] krealloc+0x61/0xf0 mm/slab_common.c:1381 push_jmp_history kernel/bpf/verifier.c:2542 [inline] is_state_visited kernel/bpf/verifier.c:12400 [inline] do_check kernel/bpf/verifier.c:12540 [inline] do_check_common+0x325e/0xc1d0 kernel/bpf/verifier.c:15022 do_check_main kernel/bpf/verifier.c:15085 [inline] bpf_check+0x10370/0x15e30 kernel/bpf/verifier.c:15662 bpf_prog_load+0x12df/0x1bb0 kernel/bpf/syscall.c:2646 __sys_bpf+0x382/0x6c0 kernel/bpf/syscall.c:5020 __do_sys_bpf kernel/bpf/syscall.c:5124 [inline] __se_sys_bpf kernel/bpf/syscall.c:5122 [inline] __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5122 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f4991f779f9 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:00007f4992cf3048 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f4992105f80 RCX: 00007f4991f779f9 RDX: 000000000000002e RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007f4991fe58ee R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f4992105f80 R15: 00007ffc92316548 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/08/05 08:06 | linux-6.1.y | 48d525b0e463 | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/08/05 01:35 | linux-6.1.y | 48d525b0e463 | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/08/04 07:01 | linux-6.1.y | 48d525b0e463 | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/08/04 04:28 | linux-6.1.y | 48d525b0e463 | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/08/04 00:38 | linux-6.1.y | 48d525b0e463 | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/08/03 21:55 | linux-6.1.y | 48d525b0e463 | 1786a2a8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/07/18 09:06 | linux-6.1.y | cac15753b8ce | 0f902625 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_bpf | ||
2024/06/27 10:39 | linux-6.1.y | eb44d83053d6 | 6ef39602 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/06/25 04:49 | linux-6.1.y | eb44d83053d6 | 215eef4a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | INFO: rcu detected stall in sys_bpf | ||
2024/05/19 08:59 | linux-6.1.y | 4078fa637fcd | c0f1611a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/05/19 05:53 | linux-6.1.y | 4078fa637fcd | c0f1611a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/04/20 10:26 | linux-6.1.y | 6741e066ec76 | af24b050 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_bpf | ||
2024/07/31 07:20 | linux-6.1.y | c1cec4dad96b | 6fde257d | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | INFO: rcu detected stall in sys_bpf |