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rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2682 jiffies s: 3713 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: 4903 Comm: syz.1.219 Not tainted 6.1.129-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:kasan_check_range+0x1ac/0x290 mm/kasan/generic.c:189 Code: 4c 89 d5 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 41 80 39 00 0f 85 a2 00 00 00 49 ff c1 48 ff cd 75 ee 5b <41> 5e 41 5f 5d c3 45 84 f6 75 61 41 f7 c6 00 ff 00 00 75 5d 41 f7 RSP: 0018:ffffc90000006ef8 EFLAGS: 00000056 RAX: ffffffff81976f01 RBX: ffff8880b8e3b8b8 RCX: ffffffff81976fe9 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880b8e3b8b8 RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed10171c7718 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffffed10171c7718 R15: dffffc0000000000 FS: 00007fb8832966c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c322005 CR3: 0000000078bfc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <IRQ> instrument_atomic_read include/linux/instrumented.h:72 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:27 [inline] __irq_work_queue_local+0x29/0x180 kernel/irq_work.c:85 irq_work_queue_on+0x15c/0x290 kernel/irq_work.c:165 rcu_read_unlock_special+0x3c6/0x540 kernel/rcu/tree_plugin.h:675 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:823 [inline] __perf_event_output kernel/events/core.c:7717 [inline] perf_event_output_forward+0x2af/0x330 kernel/events/core.c:7726 __perf_event_overflow+0x45e/0x640 kernel/events/core.c:9472 perf_swevent_overflow kernel/events/core.c:9548 [inline] perf_swevent_event+0x4c5/0x550 kernel/events/core.c:9586 perf_tp_event+0x35a/0xc80 kernel/events/core.c:10005 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9978 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:728 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 6d 1a 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:ffffc90000007780 EFLAGS: 00000206 RAX: bc7edcda906a0c00 RBX: 1ffff92000000ef8 RCX: ffffffff816b145a RDX: dffffc0000000000 RSI: ffffffff8b0c1d40 RDI: ffffffff8b5f6d80 RBP: ffffc90000007858 R08: dffffc0000000000 R09: fffffbfff2256c6a R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d333500 R13: ffff88802ed38458 R14: ffffc900000077c0 R15: 1ffff92000000ef4 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426 rcu_read_unlock include/linux/rcupdate.h:823 [inline] ndisc_send_skb+0xdb6/0x15f0 net/ipv6/ndisc.c:521 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3982 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:578 __do_softirq kernel/softirq.c:612 [inline] invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:661 irq_exit_rcu+0x5/0x20 kernel/softirq.c:673 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691 RIP: 0010:_compound_head include/linux/page-flags.h:255 [inline] RIP: 0010:virt_to_folio include/linux/mm.h:904 [inline] RIP: 0010:virt_to_slab mm/slab.h:175 [inline] RIP: 0010:qlink_to_cache+0x1c/0xa0 mm/kasan/quarantine.c:131 Code: 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 66 90 e8 8b dc 5b ff 48 c1 e8 06 48 83 e0 c0 48 ba 00 00 00 00 00 ea ff ff 48 8b 4c 10 08 <f6> c1 01 75 3c 48 01 d0 66 90 48 8b 48 08 f6 c1 01 75 59 66 90 48 RSP: 0018:ffffc900049e7c20 EFLAGS: 00000202 RAX: 00000000014e2a80 RBX: ffff8880538aa200 RCX: ffffea00014e2a01 RDX: ffffea0000000000 RSI: 0000000000006a0b RDI: 0000000000006a0c RBP: dffffc0000000000 R08: ffffffff813ddb98 R09: 0000000080240022 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000cc0 R14: ffff8880538aa200 R15: 0000000000000000 qlist_free_all+0x3b/0xe0 mm/kasan/quarantine.c:184 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] slab_alloc mm/slub.c:3406 [inline] __kmem_cache_alloc_lru mm/slub.c:3413 [inline] kmem_cache_alloc_lru+0x10c/0x2d0 mm/slub.c:3429 alloc_inode_sb include/linux/fs.h:3245 [inline] sock_alloc_inode+0x24/0xc0 net/socket.c:306 alloc_inode fs/inode.c:261 [inline] new_inode_pseudo+0x61/0x1d0 fs/inode.c:1063 sock_alloc net/socket.c:631 [inline] __sock_create+0x11f/0x930 net/socket.c:1514 sock_create net/socket.c:1606 [inline] __sys_socket_create net/socket.c:1643 [inline] __sys_socket+0x136/0x3a0 net/socket.c:1671 __do_sys_socket net/socket.c:1684 [inline] __se_sys_socket net/socket.c:1682 [inline] __x64_sys_socket+0x76/0x80 net/socket.c:1682 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: 0033:0x7fb88238d169 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:00007fb883296038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007fb8825a5fa0 RCX: 00007fb88238d169 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000010 RBP: 00007fb88240e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb8825a5fa0 R15: 00007ffd63a7e058 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/03/03 16:01 | linux-6.1.y | 3a8358583626 | c3901742 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_socket | ||
2025/02/09 12:41 | linux-6.1.y | 0cbb5f65e52f | ef44b750 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_socket | ||
2025/01/09 01:01 | linux-6.1.y | 7dc732d24ff7 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-perf | INFO: rcu detected stall in sys_socket |