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INFO: rcu detected stall in addrconf_rs_timer

Status: upstream: reported C repro on 2023/12/10 10:27
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+6048fb0d928dbb84c58f@syzkaller.appspotmail.com
First crash: 357d, last: 14d
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2024/03/14 upstream (ToT) 480e035fc4c7 C [report] BUG: soft lockup in smp_call_function
▶ ▼ Similar bugs (25)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in addrconf_rs_timer (2) net 362 1886d 1908d 13/28 fixed on 2019/10/21 12:31
linux-4.14 INFO: rcu detected stall in addrconf_rs_timer C error 220 1550d 1913d 0/1 upstream: reported C repro on 2019/09/06 14:33
upstream INFO: rcu detected stall in addrconf_rs_timer net 38 2173d 2268d 0/28 closed as dup on 2019/01/02 16:33
linux-4.19 INFO: rcu detected stall in addrconf_rs_timer 45 1900d 1913d 0/1 auto-closed as invalid on 2019/12/17 18:46
linux-4.19 BUG: soft lockup in addrconf_rs_timer syz error 24 671d 1353d 0/1 upstream: reported syz repro on 2021/03/19 06:05
linux-5.15 BUG: soft lockup in addrconf_rs_timer C error 36 536d 548d 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 C inconclusive done 81 1808d 1804d 15/28 fixed on 2020/02/18 14:31
linux-4.19 INFO: rcu detected stall in addrconf_rs_timer (2) 5 1551d 1624d 0/1 auto-closed as invalid on 2020/12/31 12:17
upstream INFO: rcu detected stall in addrconf_rs_timer (5) kvm 4 950d 950d 0/28 auto-closed as invalid on 2022/06/24 22:41
upstream INFO: rcu detected stall in addrconf_rs_timer (4) net C error error 121 1126d 1581d 0/28 closed as invalid on 2022/02/08 10:39
linux-6.1 INFO: rcu detected stall in addrconf_rs_timer 55 2d05h 190d 0/3 upstream: reported on 2024/05/24 18:08
upstream INFO: rcu detected stall in addrconf_rs_timer (6) usb syz error 393 10d 183d 0/28 upstream: reported syz repro on 2024/06/01 13:51
upstream BUG: soft lockup in addrconf_rs_timer (3) net syz 8 431d 495d 0/28 auto-obsoleted due to no activity on 2024/01/05 16:48
upstream BUG: soft lockup in addrconf_rs_timer (4) net 1 326d 326d 0/28 closed as invalid on 2024/03/12 13:17
android-6-1 BUG: soft lockup in addrconf_rs_timer 1 399d 399d 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) C 248 4d11h 161d 0/2 upstream: reported C repro on 2024/06/22 20:35
android-5-10 BUG: soft lockup in addrconf_rs_timer 2 489d 507d 0/2 auto-obsoleted due to no activity on 2023/10/29 01:38
linux-6.1 BUG: soft lockup in addrconf_rs_timer C done 26 536d 548d 3/3 fixed on 2023/07/30 15:47
linux-4.14 BUG: soft lockup in addrconf_rs_timer C error 133 709d 1911d 0/1 upstream: reported C repro on 2019/09/08 14:09
android-5-15 BUG: soft lockup in addrconf_rs_timer (2) syz 91 1d21h 218d 0/2 premoderation: reported syz repro on 2024/04/27 11:00
android-54 BUG: soft lockup in addrconf_rs_timer 190 151d 206d 0/2 auto-obsoleted due to no activity on 2024/08/22 17:20
android-6-1 BUG: soft lockup in addrconf_rs_timer (2) syz 174 24d 201d 0/2 premoderation: reported syz repro on 2024/05/13 20:21
upstream BUG: soft lockup in addrconf_rs_timer (2) net C 51 529d 549d 23/28 fixed on 2023/07/04 09:17
android-5-15 BUG: soft lockup in addrconf_rs_timer 1 497d 497d 0/2 auto-obsoleted due to no activity on 2023/10/21 14:14
upstream BUG: soft lockup in addrconf_rs_timer net 18 1714d 1911d 0/28 auto-closed as invalid on 2020/07/20 22:25
▶ ▼ Last patch testing requests (4)
Created Duration User Patch Repo Result
2024/12/01 01:50 17m retest repro linux-5.15.y report log
2024/12/01 01:50 15m retest repro linux-5.15.y report log
2024/10/30 07:24 12m retest repro linux-5.15.y report log
2024/10/30 07:24 59m retest repro linux-5.15.y report log

Sample crash report:
watchdog: BUG: soft lockup - CPU#1 stuck for 24s! [ksoftirqd/1:20]
Modules linked in:
irq event stamp: 286925
hardirqs last  enabled at (286924): [<ffff800011ab9be4>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (286924): [<ffff800011ab9be4>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (286925): [<ffff800011ab9e2c>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (267626): [<ffff8000081b691c>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (267626): [<ffff8000081b691c>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (267631): [<ffff8000081b944c>] run_ksoftirqd+0x6c/0x29c kernel/softirq.c:925
CPU: 1 PID: 20 Comm: ksoftirqd/1 Not tainted 5.15.172-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : fq_dequeue+0x5a0/0x18fc net/sched/sch_fq.c:561
lr : fq_dequeue+0x578/0x18fc net/sched/sch_fq.c:551
sp : ffff80001bcf66a0
x29: ffff80001bcf67c0 x28: 1fffe0001c84d450 x27: 00000017da131ab8
x26: dfff800000000000 x25: ffff0000e426a240 x24: ffff0000d5a082e8
x23: 1fffe0001c84d4b1 x22: ffff0000e426a280 x21: ffff0000d5a082d0
x20: 1fffe0001ab4105a x19: ffff0000e426a588 x18: 0000000000000901
x17: 0000000000000000 x16: ffff8000082ec8b8 x15: 0000000000000001
x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000000901 x10: 0000000000000000 x9 : ffff0000c0a78000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000804605c
x2 : 0000000000000002 x1 : 00000000f04e922a x0 : 0000000000000001
Call trace:
 fq_dequeue+0x5a0/0x18fc net/sched/sch_fq.c:561
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1ec/0x1fc0 net/sched/sch_generic.c:415
 __dev_xmit_skb net/core/dev.c:3910 [inline]
 __dev_queue_xmit+0x1038/0x2ac8 net/core/dev.c:4221
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4289
 neigh_hh_output include/net/neighbour.h:493 [inline]
 neigh_output include/net/neighbour.h:507 [inline]
 ip_finish_output2+0xd3c/0x131c net/ipv4/ip_output.c:228
 __ip_finish_output+0x1b0/0x458
 ip_finish_output+0x40/0x218 net/ipv4/ip_output.c:316
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip_output+0x330/0x49c net/ipv4/ip_output.c:430
 dst_output include/net/dst.h:443 [inline]
 ip_local_out+0x120/0x160 net/ipv4/ip_output.c:126
 iptunnel_xmit+0x40c/0x8fc net/ipv4/ip_tunnel_core.c:82
 udp_tunnel_xmit_skb+0x178/0x284 net/ipv4/udp_tunnel_core.c:175
 geneve_xmit_skb drivers/net/geneve.c:1006 [inline]
 geneve_xmit+0x24cc/0x323c drivers/net/geneve.c:1119
 __netdev_start_xmit include/linux/netdevice.h:5019 [inline]
 netdev_start_xmit include/linux/netdevice.h:5033 [inline]
 xmit_one net/core/dev.c:3617 [inline]
 dev_hard_start_xmit+0x2bc/0x92c net/core/dev.c:3633
 __dev_queue_xmit+0x1378/0x2ac8 net/core/dev.c:4256
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4289
 neigh_hh_output include/net/neighbour.h:493 [inline]
 neigh_output include/net/neighbour.h:507 [inline]
 ip6_finish_output2+0x132c/0x1cec net/ipv6/ip6_output.c:130
 __ip6_finish_output+0x580/0x6ec net/ipv6/ip6_output.c:201
 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:211
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x274/0x594 net/ipv6/ip6_output.c:234
 dst_output include/net/dst.h:443 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xbf8/0x1788 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x494/0x5fc net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x308/0x5a8 net/ipv6/addrconf.c:3959
 call_timer_fn+0x19c/0x8f0 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x554/0x718 kernel/time/timer.c:1767
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1780
 handle_softirqs+0x384/0xdbc kernel/softirq.c:558
 run_ksoftirqd+0x6c/0x29c kernel/softirq.c:925
 smpboot_thread_fn+0x4b0/0x920 kernel/smpboot.c:164
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870

Crashes (37):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/11/17 01:10 linux-5.15.y d98fd109f827 cfe3a04a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in addrconf_rs_timer
2024/11/16 11:16 linux-5.15.y d98fd109f827 cfe3a04a .config console log report syz / log C [disk image] [vmlinux] [kernel image] [mounted in repro] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in addrconf_rs_timer
2024/03/14 04:12 linux-5.15.y 574362648507 f919f202 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in addrconf_rs_timer
2024/09/06 04:24 linux-5.15.y 14e468424d3e 464ac2ed .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan BUG: soft lockup in addrconf_rs_timer
2024/10/15 00:07 linux-5.15.y 3a5928702e71 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/14 08:35 linux-5.15.y 3a5928702e71 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/11 14:30 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/11 11:42 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/11 11:36 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/11 09:59 linux-5.15.y 3a5928702e71 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/02 15:26 linux-5.15.y 3a5928702e71 02f9582a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/02 14:19 linux-5.15.y 3a5928702e71 02f9582a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/10/01 14:49 linux-5.15.y 3a5928702e71 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/28 02:39 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/27 22:47 linux-5.15.y 3a5928702e71 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/26 00:22 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/25 23:02 linux-5.15.y 3a5928702e71 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/24 08:04 linux-5.15.y 3a5928702e71 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/19 21:45 linux-5.15.y 3a5928702e71 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/19 21:44 linux-5.15.y 3a5928702e71 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/13 05:07 linux-5.15.y 3a5928702e71 73e8a465 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/12 13:54 linux-5.15.y 3a5928702e71 60e1a995 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/09/07 15:21 linux-5.15.y 14e468424d3e 9750182a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/08/28 07:57 linux-5.15.y fa93fa65db6e 6c853ff9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/08/25 06:13 linux-5.15.y fa93fa65db6e d7d32352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/08/23 01:33 linux-5.15.y fa93fa65db6e ce8a9099 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/08/23 01:15 linux-5.15.y fa93fa65db6e ce8a9099 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/08/22 04:04 linux-5.15.y fa93fa65db6e ca02180f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/07/30 19:13 linux-5.15.y 7e89efd3ae1c 6fde257d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in addrconf_rs_timer
2024/07/27 16:43 linux-5.15.y 7e89efd3ae1c 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/07/27 15:35 linux-5.15.y 7e89efd3ae1c 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in addrconf_rs_timer
2024/07/20 05:31 linux-5.15.y 7c6d66f0266f 890ce4f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/07/19 23:48 linux-5.15.y 7c6d66f0266f 890ce4f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/07/19 23:25 linux-5.15.y 7c6d66f0266f 890ce4f3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/07/11 06:46 linux-5.15.y f45bea23c39c c699c2eb .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2024/03/07 14:55 linux-5.15.y 574362648507 2b789849 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
2023/12/10 10:26 linux-5.15.y 8a1d809b0545 28b24332 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-perf INFO: rcu detected stall in addrconf_rs_timer
* Struck through repros no longer work on HEAD.