INFO: rcu detected stall in addrconf_rs_timer

Status: upstream: reported C repro on 2025/11/29 19:55
Bug presence: origin:lts-only
[Documentation on labels]
Reported-by: syzbot+1c0f13d7bc65d06d5fc9@syzkaller.appspotmail.com
First crash: 343d, last: 13d
▶ ▼ Bug presence (2)
Date Name Commit Repro Result
2026/04/20 linux-6.6.y (ToT) 9760bf04666d C [report] INFO: rcu detected stall in smp_call_function
2026/04/20 upstream (ToT) c1f49dea2b8f C Didn't crash
▶ ▼ Similar bugs (33)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in addrconf_rs_timer (2) net 1 362 2593d 2615d 13/29 fixed on 2019/10/21 12:31
linux-4.14 INFO: rcu detected stall in addrconf_rs_timer 1 syz, C error 220 2256d 2619d 0/1 upstream: reported C repro on 2019/09/06 14:33
upstream INFO: rcu detected stall in addrconf_rs_timer net 1 38 2879d 2975d 0/29 closed as dup on 2019/01/02 16:33
linux-4.19 INFO: rcu detected stall in addrconf_rs_timer 1 45 2607d 2619d 0/1 auto-closed as invalid on 2019/12/17 18:46
linux-4.19 BUG: soft lockup in addrconf_rs_timer 1 syz error 24 1377d 2059d 0/1 upstream: reported syz repro on 2021/03/19 06:05
linux-5.15 BUG: soft lockup in addrconf_rs_timer 1 syz, C error 36 1242d 1255d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:06
upstream INFO: rcu detected stall in addrconf_rs_timer (3) net 1 syz, C inconclusive done 81 2515d 2511d 15/29 fixed on 2020/02/18 14:31
linux-4.19 INFO: rcu detected stall in addrconf_rs_timer (2) 1 5 2257d 2330d 0/1 auto-closed as invalid on 2020/12/31 12:17
upstream INFO: rcu detected stall in addrconf_rs_timer (5) kvm 1 4 1657d 1657d 0/29 auto-closed as invalid on 2022/06/24 22:41
upstream INFO: rcu detected stall in addrconf_rs_timer (4) net 1 syz, C error error 121 1833d 2287d 0/29 closed as invalid on 2022/02/08 10:39
linux-6.1 INFO: rcu detected stall in addrconf_rs_timer origin:lts-only 1 syz, C done 144 18h51m 897d 0/3 upstream: reported C repro on 2024/05/24 18:08
linux-5.15 INFO: rcu detected stall in addrconf_rs_timer origin:lts-only 1 syz, C error 178 1d16h 1063d 0/3 upstream: reported C repro on 2023/12/10 10:27
upstream INFO: rcu detected stall in addrconf_rs_timer (6) prio:normal trace 1 syz error error 755 3h26m 889d 0/29 upstream: reported syz repro on 2024/06/01 13:51
upstream BUG: soft lockup in addrconf_rs_timer (3) net 1 syz 8 1137d 1201d 0/29 auto-obsoleted due to no activity on 2024/01/05 16:48
upstream BUG: soft lockup in addrconf_rs_timer (4) net 1 1 1032d 1032d 0/29 closed as invalid on 2024/03/12 13:17
android-5-15 BUG: soft lockup in addrconf_rs_timer (4) 1 syz, C 6 30d 49d 0/2 upstream: reported C repro on 2026/09/19 19:25
android-6-1 BUG: soft lockup in addrconf_rs_timer 1 1 1105d 1105d 0/2 auto-obsoleted due to no activity on 2024/01/27 13:54
android-5-10 BUG: soft lockup in addrconf_rs_timer (2) 1 syz, C 265 537d 868d 0/2 auto-obsoleted due to no activity on 2025/07/28 18:01
android-6-1 BUG: soft lockup in addrconf_rs_timer (5) origin:lts 1 syz, C 6 177d 181d 0/2 upstream: reported C repro on 2026/05/10 21:46
android-5-10 BUG: soft lockup in addrconf_rs_timer 1 2 1196d 1214d 0/2 auto-obsoleted due to no activity on 2023/10/29 01:38
linux-6.1 BUG: soft lockup in addrconf_rs_timer 1 syz, C done 26 1243d 1255d 3/3 fixed on 2023/07/30 15:47
linux-4.14 BUG: soft lockup in addrconf_rs_timer 1 syz, C error 133 1415d 2617d 0/1 upstream: reported C repro on 2019/09/08 14:09
android-5-10 BUG: soft lockup in addrconf_rs_timer (3) 1 1 277d 277d 0/2 auto-obsoleted due to no activity on 2026/05/05 01:45
android-5-15 BUG: soft lockup in addrconf_rs_timer (3) 1 1 201d 201d 0/2 auto-obsoleted due to no activity on 2026/07/19 17:10
android-5-15 BUG: soft lockup in addrconf_rs_timer (2) 1 syz 99 681d 924d 0/2 auto-obsoleted due to no activity on 2025/02/14 09:13
android-6-1 BUG: soft lockup in addrconf_rs_timer (3) 1 1 582d 582d 0/2 auto-obsoleted due to no activity on 2025/07/03 20:11
android-54 BUG: soft lockup in addrconf_rs_timer 1 190 857d 912d 0/2 auto-obsoleted due to no activity on 2024/08/22 17:20
android-5-10 BUG: soft lockup in addrconf_rs_timer (4) 1 22 2d10h 130d 0/2 premoderation: reported on 2026/06/30 19:53
android-6-1 BUG: soft lockup in addrconf_rs_timer (2) 1 syz 176 703d 908d 0/2 auto-obsoleted due to no activity on 2025/01/24 01:43
upstream BUG: soft lockup in addrconf_rs_timer (2) net 1 syz, C 51 1235d 1256d 23/29 fixed on 2023/07/04 09:17
android-6-1 BUG: soft lockup in addrconf_rs_timer (4) 1 7 305d 453d 0/2 auto-obsoleted due to no activity on 2026/04/06 21:21
android-5-15 BUG: soft lockup in addrconf_rs_timer 1 1 1203d 1203d 0/2 auto-obsoleted due to no activity on 2023/10/21 14:14
upstream BUG: soft lockup in addrconf_rs_timer net 1 18 2421d 2617d 0/29 auto-closed as invalid on 2020/07/20 22:25
▶ ▼ Fix bisection attempts (5)
Created Duration User Patch Repo Result
2026/07/09 20:00 2h44m fix candidate upstream OK (0) job log
2026/04/23 04:40 12m fix candidate upstream error job log
2026/03/23 04:41 1m fix candidate upstream error job log
2026/02/21 04:32 1m fix candidate upstream error job log
2026/01/21 13:20 1m fix candidate upstream error job log

Sample crash report:
rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	0-...!: (10500 ticks this GP) idle=812c/1/0x4000000000000000 softirq=15545/15545 fqs=8
rcu: 	(t=10502 jiffies g=11921 q=972 ncpus=2)
rcu: rcu_preempt kthread starved for 10487 jiffies! g11921 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27848 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x15ae/0x4660 kernel/sched/core.c:6701
 schedule+0xbd/0x170 kernel/sched/core.c:6775
 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x30d/0x1590 kernel/rcu/tree.c:1667
 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866
 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>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6061 Comm: syz.1.18 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:lock_class_cache_is_valid kernel/locking/lockdep.c:961 [inline]
RIP: 0010:__lock_acquire+0x224/0x7eb0 kernel/locking/lockdep.c:5041
Code: 00 00 00 00 fc ff df 4c 8b 3f 4d 85 ff 74 5d 41 bc 01 00 00 00 45 85 f6 75 22 4c 8d 6b 58 4c 89 e8 48 c1 e8 03 42 0f b6 04 00 <84> c0 0f 85 b8 1c 00 00 45 8b 65 00 49 83 fc 07 77 30 4c 8d 6b 40
RSP: 0018:ffffc900001ef760 EFLAGS: 00000802
RAX: 0000000000000000 RBX: ffffffff919593c0 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffffffff8e5ef6a0
RBP: ffffc900001ef9a8 R08: dffffc0000000000 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff1ed8b5e R12: 0000000000000001
R13: ffffffff91959418 R14: 0000000000000000 R15: ffffffff8e5ef6a0
FS:  00005555865b6500(0000) GS:ffff8880b8d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000140a CR3: 000000005e966000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 lock_acquire+0x19e/0x420 kernel/locking/lockdep.c:5790
 debug_objects_fill_pool+0xab/0x790 lib/debugobjects.c:653
 debug_object_activate+0x36/0x500 lib/debugobjects.c:743
 debug_hrtimer_activate kernel/time/hrtimer.c:450 [inline]
 debug_activate kernel/time/hrtimer.c:504 [inline]
 enqueue_hrtimer+0x34/0x380 kernel/time/hrtimer.c:1100
 __run_hrtimer kernel/time/hrtimer.c:1771 [inline]
 __hrtimer_run_queues+0x62f/0xc10 kernel/time/hrtimer.c:1818
 hrtimer_interrupt+0x39d/0x980 kernel/time/hrtimer.c:1880
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1077 [inline]
 __sysvec_apic_timer_interrupt+0xfb/0x3b0 arch/x86/kernel/apic/apic.c:1094
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0x51/0xc0 arch/x86/kernel/apic/apic.c:1088
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:90 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline]
RIP: 0010:unwind_next_frame+0x2ac/0x2990 arch/x86/kernel/unwind_orc.c:494
Code: 8d 84 00 3c 8a ea 8f 48 3d 3e fe 94 90 0f 97 c0 48 89 4c 24 20 48 81 f9 3e fe 94 90 0f 83 d8 1c 00 00 84 c0 0f 85 da 1c 00 00 <89> ef 44 89 e6 e8 aa db 4b 00 44 39 e5 0f 85 89 01 00 00 e8 1c da
RSP: 0018:ffffc900001f0058 EFLAGS: 00000246
RAX: ffffffff9091b800 RBX: dffffc0000000000 RCX: ffffffff9091b7dc
RDX: ffff88802c545a00 RSI: 000000000009a014 RDI: 000000000009c000
RBP: 00000000001bdd11 R08: ffffc900001f01f0 R09: 0000000000000013
R10: 0000000000000004 R11: 0000000000000100 R12: 00000000001bdcf0
R13: 000000000009c001 R14: 000000000009a014 R15: 0000000000000001
 arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4e/0x70 mm/kasan/common.c:53
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:329
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook+0x6a/0x4d0 mm/slab.h:770
 slab_alloc_node mm/slub.c:3495 [inline]
 kmem_cache_alloc_node+0x1af/0x310 mm/slub.c:3540
 __alloc_skb+0x103/0x2c0 net/core/skbuff.c:643
 alloc_skb include/linux/skbuff.h:1316 [inline]
 nlmsg_new include/net/netlink.h:1010 [inline]
 __neigh_notify+0x15c/0x300 net/core/neighbour.c:3532
 neigh_cleanup_and_release+0xa0/0x260 net/core/neighbour.c:102
 neigh_del net/core/neighbour.c:226 [inline]
 neigh_remove_one+0x5f1/0x700 net/core/neighbour.c:247
 neigh_forced_gc net/core/neighbour.c:280 [inline]
 neigh_alloc net/core/neighbour.c:486 [inline]
 ___neigh_create+0x491/0x23d0 net/core/neighbour.c:649
 ip6_finish_output2+0x15b9/0x1690 net/ipv6/ip6_output.c:134
 dst_output include/net/dst.h:470 [inline]
 NF_HOOK include/linux/netfilter.h:304 [inline]
 ndisc_send_skb+0xbb9/0x1480 net/ipv6/ndisc.c:513
 addrconf_rs_timer+0x36b/0x640 net/ipv6/addrconf.c:4043
 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x570/0x810 kernel/time/timer.c:2023
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x267/0x8f0 kernel/sched/core.c:5256
Code: 35 09 85 c0 0f 84 30 01 00 00 48 85 db 0f 85 4f 01 00 00 0f 1f 44 00 00 4c 89 e7 e8 e3 e9 3e 09 e8 2e 28 30 00 fb 4c 8b 65 b8 <49> 8d bc 24 00 16 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0
RSP: 0018:ffffc90003697760 EFLAGS: 00000286
RAX: 03b62f420295cf00 RBX: 0000000000000000 RCX: 03b62f420295cf00
RDX: dffffc0000000000 RSI: ffffffff8acacfe0 RDI: ffffffff8b1d5160
RBP: ffffc900036977b0 R08: ffffffff91ff161f R09: 1ffffffff23fe2c3
R10: dffffc0000000000 R11: fffffbfff23fe2c4 R12: ffff88802c545a00
R13: 1ffff110171a79a1 R14: dffffc0000000000 R15: ffff8880b8d3cd08
 context_switch kernel/sched/core.c:5385 [inline]
 __schedule+0x15b6/0x4660 kernel/sched/core.c:6701
 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6868
 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6892
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 smp_call_function_single+0x48d/0x5a0 kernel/smp.c:652
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x5bb/0x920 kernel/events/core.c:2958
 __do_sys_perf_event_open kernel/events/core.c:12967 [inline]
 __se_sys_perf_event_open+0x1818/0x1d40 kernel/events/core.c:12609
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fce61b9e559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc3bd3cd88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fce61e25fa0 RCX: 00007fce61b9e559
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000001a40
RBP: 00007fce61c35ab8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fce61e25fac R14: 00007fce61e25fa0 R15: 00007fce61e25fa0
 </TASK>
CPU: 0 PID: 6059 Comm: syz.0.22 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:208
Code: 00 0f 0b 0f 1f 80 00 00 00 00 f3 0f 1e fa 53 48 89 fb e8 13 00 00 00 48 8b 3d 7c cc e4 0d 48 89 de 5b e9 73 10 58 00 cc cc cc <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0d 40 27 7c 7e 65 8b 15 41 27 7c
RSP: 0018:ffffc90000007318 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88807c6932c0 RCX: 0000000000000100
RDX: ffff88802bd41e00 RSI: 0000000000000080 RDI: 0000000000000000
RBP: ffffc900000073f0 R08: ffff88802bd41e00 R09: 0000000000000002
R10: 0000000000004888 R11: 0000000000000100 R12: dffffc0000000000
R13: 1ffff1100c54628b R14: ffff888062a313c0 R15: ffff88807c693788
FS:  000055558bafe500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000140a CR3: 000000001dbec000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 sk_validate_xmit_skb include/net/sock.h:2965 [inline]
 validate_xmit_skb+0x32d/0xf30 net/core/dev.c:3730
 validate_xmit_skb_list+0x84/0x120 net/core/dev.c:3787
 sch_direct_xmit+0xe1/0x4a0 net/sched/sch_generic.c:330
 __dev_xmit_skb net/core/dev.c:3887 [inline]
 __dev_queue_xmit+0x18b8/0x37e0 net/core/dev.c:4441
 dev_queue_xmit include/linux/netdevice.h:3170 [inline]
 neigh_hh_output include/net/neighbour.h:531 [inline]
 neigh_output include/net/neighbour.h:545 [inline]
 ip6_finish_output2+0xf43/0x1690 net/ipv6/ip6_output.c:143
 dst_output include/net/dst.h:470 [inline]
 NF_HOOK include/linux/netfilter.h:304 [inline]
 ndisc_send_skb+0xbb9/0x1480 net/ipv6/ndisc.c:513
 addrconf_rs_timer+0x36b/0x640 net/ipv6/addrconf.c:4043
 call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x570/0x810 kernel/time/timer.c:2023
 run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
 handle_softirqs+0x27d/0x820 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0xd3/0x190 kernel/softirq.c:661
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:preempt_schedule_irq+0xba/0x150 kernel/sched/core.c:7011
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 6f bf 01 00 00 00 e8 61 99 c1 f6 e8 9c a2 f2 f6 fb bf 01 00 00 00 <e8> 31 b4 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc90003677a80 EFLAGS: 00000282
RAX: 05e99dbb688b0c00 RBX: 0000000000000000 RCX: 05e99dbb688b0c00
RDX: dffffc0000000000 RSI: ffffffff8acacfe0 RDI: 0000000000000001
RBP: ffffc90003677b20 R08: ffffffff91ff161f R09: 1ffffffff23fe2c3
R10: dffffc0000000000 R11: fffffbfff23fe2c4 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920006cef50
 irqentry_exit+0x67/0x70 kernel/entry/common.c:441
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:task_function_call kernel/events/core.c:122 [inline]
RIP: 0010:perf_install_in_context+0x5be/0x920 kernel/events/core.c:2958
Code: 89 ec 49 c1 ec 03 41 0f b6 04 1c 84 c0 75 68 41 8b 7d 00 48 c7 c6 f0 a5 b0 81 4c 89 fa b9 01 00 00 00 e8 d5 33 cc ff 41 89 c6 <31> ff 89 c6 e8 99 51 d7 ff 45 85 f6 74 0d e8 df 4d d7 ff 41 83 fe
RSP: 0018:ffffc90003677be0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff88802bd41e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003677d30 R08: ffffffff91ff161f R09: 1ffffffff23fe2c3
R10: dffffc0000000000 R11: fffffbfff23fe2c4 R12: 1ffff110057a83c2
R13: ffff88802bd41e14 R14: 0000000000000000 R15: ffffc90003677c60
 __do_sys_perf_event_open kernel/events/core.c:12967 [inline]
 __se_sys_perf_event_open+0x1818/0x1d40 kernel/events/core.c:12609
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f047eb9e559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd5b972658 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f047ee25fa0 RCX: 00007f047eb9e559
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000001a40
RBP: 00007f047ec35ab8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f047ee25fac R14: 00007f047ee25fa0 R15: 00007f047ee25fa0
 </TASK>

Crashes (34):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/10/17 07:25 linux-6.6.y cecd39af8a1a 432c0077 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/09/20 18:20 linux-6.6.y 79643295eba1 853b104b .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/07/25 21:14 linux-6.6.y c5596480c50e 492bab15 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/07/03 01:23 linux-6.6.y d1cfde2d5d15 2b70b115 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/22 08:26 linux-6.6.y d1cfde2d5d15 43bfcdb0 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/15 00:38 linux-6.6.y 924b4a879cbb 1d2f3589 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/05 03:13 linux-6.6.y 924b4a879cbb 197909be .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/05/19 04:05 linux-6.6.y eac8889a3a1c 9f74d399 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/04/20 07:30 linux-6.6.y 9760bf04666d 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/04/19 05:04 linux-6.6.y 9760bf04666d 303e2802 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/12 01:02 linux-6.6.y 924b4a879cbb d93a6ab6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf BUG: soft lockup in addrconf_rs_timer
2026/05/13 19:47 linux-6.6.y 3b9f64db0496 fec2a7ee .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2025/11/29 19:54 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/10/26 02:38 linux-6.6.y 0aebf2870d53 1d9ca40b .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/10/20 05:40 linux-6.6.y cecd39af8a1a 72cdc28d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/10/14 07:18 linux-6.6.y a91a6aa9253c 7321cd29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/07/26 16:29 linux-6.6.y c5596480c50e 492bab15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/07/21 03:21 linux-6.6.y da47cbc25466 de6a700d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/28 09:16 linux-6.6.y d1cfde2d5d15 fb92f11c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/28 02:06 linux-6.6.y d1cfde2d5d15 fb92f11c .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/23 22:05 linux-6.6.y d1cfde2d5d15 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/06/15 01:22 linux-6.6.y 924b4a879cbb 1d2f3589 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/05/11 00:42 linux-6.6.y 3b9f64db0496 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/04/17 12:23 linux-6.6.y 8cee53b8eaeb de0a551d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/03/31 20:43 linux-6.6.y c09fbcd31ae6 aeea1c72 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/03/29 22:29 linux-6.6.y c09fbcd31ae6 b5ceaad2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/03/19 22:26 linux-6.6.y 4fc00fe35d46 bd6dcb30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/01/31 16:21 linux-6.6.y 2cf6f68313dc afc0c4d4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2025/12/30 07:50 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2025/11/29 20:47 linux-6.6.y 1e89a1be4fe9 d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2026/07/07 22:57 linux-6.6.y da47cbc25466 76cdc0c0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf BUG: soft lockup in addrconf_rs_timer
2026/06/25 12:06 linux-6.6.y d1cfde2d5d15 cfa969bf .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf BUG: soft lockup in addrconf_rs_timer
2026/05/30 18:42 linux-6.6.y 0a40c6fbd105 6b4a8443 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf BUG: soft lockup in addrconf_rs_timer
2026/01/06 11:19 linux-6.6.y 5fa4793a2d2d d6526ea3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-6-kasan-perf BUG: soft lockup in addrconf_rs_timer
* Struck through repros no longer work on HEAD.