syzbot


BUG: soft lockup in addrconf_rs_timer (2)

Status: upstream: reported C repro on 2024/06/22 20:35
Reported-by: syzbot+310817b84cb5602cd30b@syzkaller.appspotmail.com
First crash: 13d, last: 3d06h
Similar bugs (18)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: soft lockup in addrconf_rs_timer (3) net syz 8 275d 339d 0/27 auto-obsoleted due to no activity on 2024/01/05 16:48
upstream BUG: soft lockup in addrconf_rs_timer (4) net 1 170d 170d 0/27 closed as invalid on 2024/03/12 13:17
android-6-1 BUG: soft lockup in addrconf_rs_timer 1 243d 243d 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 333d 351d 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 380d 392d 3/3 fixed on 2023/07/30 15:47
linux-4.19 BUG: soft lockup in addrconf_rs_timer syz error 24 515d 1197d 0/1 upstream: reported syz repro on 2021/03/19 06:05
linux-4.14 BUG: soft lockup in addrconf_rs_timer C error 133 553d 1755d 0/1 upstream: reported C repro on 2019/09/08 14:09
linux-5.15 BUG: soft lockup in addrconf_rs_timer C error 36 380d 393d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:06
android-5-15 BUG: soft lockup in addrconf_rs_timer (2) 3 6d07h 62d 0/2 premoderation: reported on 2024/04/27 11:00
upstream BUG: soft lockup in addrconf_rs_timer net 18 1559d 1755d 0/27 auto-closed as invalid on 2020/07/20 22:25
android-6-1 BUG: soft lockup in addrconf_rs_timer (2) syz 23 3d04h 46d 0/2 premoderation: reported syz repro on 2024/05/13 20:21
upstream BUG: soft lockup in addrconf_rs_timer (2) net C 51 373d 394d 23/27 fixed on 2023/07/04 09:17
android-5-15 BUG: soft lockup in addrconf_rs_timer 1 341d 341d 0/2 auto-obsoleted due to no activity on 2023/10/21 14:14
upstream INFO: rcu detected stall in addrconf_rs_timer (4) net C error error 121 971d 1425d 0/27 closed as invalid on 2022/02/08 10:39
linux-5.15 INFO: rcu detected stall in addrconf_rs_timer origin:upstream C error 3 106d 201d 0/3 upstream: reported C repro on 2023/12/10 10:27
upstream INFO: rcu detected stall in addrconf_rs_timer (6) netfilter mm usb syz 149 6h34m 27d 0/27 upstream: reported syz repro on 2024/06/01 13:51
upstream INFO: rcu detected stall in addrconf_rs_timer (5) kvm 4 795d 795d 0/27 auto-closed as invalid on 2022/06/24 22:41
linux-6.1 INFO: rcu detected stall in addrconf_rs_timer 4 10d 35d 0/3 upstream: reported on 2024/05/24 18:08

Sample crash report:
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor258:1381]
Modules linked in:
CPU: 0 PID: 1381 Comm: syz-executor258 Not tainted 5.10.215-syzkaller-00370-gb58b8f9dad93 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:update_stack_state+0x3bf/0x460 arch/x86/kernel/unwind_frame.c:242
Code: e7 1d 76 00 65 48 8b 05 5f 4a d0 7e 49 39 06 74 0d 48 89 df e8 42 fc ff ff 49 89 c6 eb 19 48 89 d8 48 c1 e8 03 42 80 3c 38 00 <74> 08 48 89 df e8 b7 1d 76 00 4c 8b 33 48 8b 5d d0 48 83 c3 48 48
RSP: 0018:ffffc900000073f0 EFLAGS: 00000246
RAX: 1ffff920001b9f80 RBX: ffffc90000dcfc00 RCX: 1ffff92000000eb3
RDX: 1ffff92000000eaa RSI: ffffc90000dcfbf8 RDI: ffffc90000007598
RBP: ffffc900000074a8 R08: ffffc90000007628 R09: 0000000000000019
R10: ffffc90000007630 R11: dffffc0000000001 R12: 1ffff92000000eb0
R13: 0000000000000000 R14: ffffc90000007568 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555699738 CR3: 000000010cc7d000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 ____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:509
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 kmem_cache_alloc_trace+0x18a/0x2e0 mm/slub.c:2974
 kmalloc include/linux/slab.h:552 [inline]
 dst_cow_metrics_generic+0x55/0x1c0 net/core/dst.c:201
 dst_metrics_write_ptr include/net/dst.h:117 [inline]
 dst_metric_set include/net/dst.h:178 [inline]
 icmp6_dst_alloc+0x385/0x560 net/ipv6/route.c:3173
 ndisc_send_skb+0x25a/0xc00 net/ipv6/ndisc.c:489
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3962
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:schedule_debug kernel/sched/core.c:4553 [inline]
RIP: 0010:__schedule+0x11c/0x1330 kernel/sched/core.c:4698
Code: 3b 49 8d 5f 18 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 53 d6 f7 fc 48 8b 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 3a d6 f7 fc 48 81 3b 9d 6e ac 57 0f 85 c0 0d 00
RSP: 0018:ffffc90000dcf380 EFLAGS: 00000246
RAX: 1ffff920001b9000 RBX: ffffc90000dc8000 RCX: 1ffff920001b9e7c
RDX: 1ffff920001b9e7c RSI: ffffffff85601a20 RDI: ffffffff856019e0
RBP: ffffc90000dcf470 R08: ffffffff87081008 R09: ffffffff87081018
R10: ffffffff87081010 R11: ffffffff87081003 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff8881f7000000 R15: ffff8881208b4f00
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:5065
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__list_del include/linux/list.h:113 [inline]
RIP: 0010:__list_del_entry include/linux/list.h:135 [inline]
RIP: 0010:list_del_init include/linux/list.h:204 [inline]
RIP: 0010:perf_event_exit_task+0x1bd/0x1930 kernel/events/core.c:12599
Code: 90 1d 00 4d 89 65 00 4c 89 e0 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 47 90 1d 00 4d 89 34 24 <49> be 00 00 00 00 00 fc ff df 4c 8b 64 24 40 4c 8b 6c 24 30 43 80
RSP: 0018:ffffc90000dcf600 EFLAGS: 00000246
RAX: 1ffff11024116b24 RBX: ffff8881131ab288 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff8881131ab290
RBP: ffffc90000dcfa10 R08: dffffc0000000000 R09: fffff520001b9eb1
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881208b5920
R13: ffff8881131aca90 R14: ffff8881131aca88 R15: 1ffff11022635651
 do_exit+0xc93/0x2a50 kernel/exit.c:870
 do_group_exit+0x141/0x310 kernel/exit.c:983
 get_signal+0x10a0/0x1410 kernel/signal.c:2782
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fe272323ef9
Code: Unable to access opcode bytes at RIP 0x7fe272323ecf.
RSP: 002b:00007fe2722d5218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fe2723af1e8 RCX: 00007fe272323ef9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe2723af1e8
RBP: 00007fe2723af1e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe272374bac
R13: 4c67dbfffffa10d5 R14: afffffffffffffff R15: 009c000008e53b02
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1392 Comm: syz-executor258 Not tainted 5.10.215-syzkaller-00370-gb58b8f9dad93 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline]
RIP: 0010:arch_atomic_fetch_or arch/x86/include/asm/atomic.h:242 [inline]
RIP: 0010:atomic_fetch_or include/asm-generic/atomic-instrumented.h:527 [inline]
RIP: 0010:irq_work_claim kernel/irq_work.c:34 [inline]
RIP: 0010:irq_work_queue+0x5b/0x160 kernel/irq_work.c:70
Code: 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 ed 00 00 00 45 8b 2f 44 89 e9 83 c9 23 31 db 44 89 e8 f0 41 0f b1 0f <41> 89 c6 41 0f 95 c4 0f 94 c3 bf 02 00 00 00 89 de e8 bf 01 f3 ff
RSP: 0018:ffffc90000170628 EFLAGS: 00000046
RAX: 0000000000000020 RBX: 0000000000000000 RCX: 0000000000000023
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff888120db7338
RBP: ffffc90000170658 R08: dffffc0000000000 R09: ffffed10241b6e68
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000020 R14: ffff888120db7330 R15: ffff888120db7338
FS:  00007fe2722d56c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000113209000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __perf_event_overflow+0x272/0x350 kernel/events/core.c:9049
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10448
 __run_hrtimer kernel/time/hrtimer.c:1583 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1647
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1709
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:ndisc_alloc_skb+0x0/0x2d0 net/ipv6/ndisc.c:415
Code: ff e8 c4 bb 7b fd e9 e7 fc ff ff 89 f9 80 e1 07 38 c1 0f 8c 01 fd ff ff e8 ad bb 7b fd e9 f7 fc ff ff e8 13 a0 7f 00 0f 1f 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 75 d4 49 89 fe 48 bb
RSP: 0018:ffffc90000170c20 EFLAGS: 00000246
RAX: 0000000000000008 RBX: 0000000000000001 RCX: ffff8881208b13c0
RDX: ffff8881208b13c0 RSI: 0000000000000010 RDI: ffff88810b728000
RBP: ffffc90000170c90 R08: ffffffff842c9ee4 R09: ffffed102233dc85
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000170d00
R13: ffffffff859443a0 R14: 0000000000000000 R15: 0000000000000006
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3962
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 10 be f7 fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 f4 8f 98 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 7e 91 98 fc 65 48 8b 1d 56 ea
RSP: 0018:ffffc90000fbf620 EFLAGS: 00000246
RAX: 1ffff110241163be RBX: 1ffff920001f7ec8 RCX: ffffffff84b1ab00
RDX: 1ffff1102411627c RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000fbf6a0 R08: ffffffff87081048 R09: ffffffff87081058
R10: ffffffff87081050 R11: ffffffff87081043 R12: ffffc90000fbf640
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001f7ec4
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__should_failslab+0x47/0xe0 mm/failslab.c:20
Code: 00 00 00 fc ff df 42 80 3c 38 00 74 0c 48 c7 c7 e0 a1 0b 87 e8 5a ab ff ff 31 c0 f7 c3 00 80 00 00 75 64 4c 39 35 29 0c 63 05 <74> 5b f7 c3 00 04 00 00 74 09 80 3d 60 17 db 04 00 75 23 80 3d 58
RSP: 0018:ffffc90000fbf790 EFLAGS: 00000283
RAX: 0000000000000000 RBX: 0000000000000dc0 RCX: ffff8881208b13c0
RDX: 0000000000000004 RSI: 0000000000000dc0 RDI: ffff888100043c80
RBP: ffffc90000fbf7a8 R08: ffffffff8179ce77 R09: ffffe8ffffd44010
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888100043c80
R13: ffffffff822ebed1 R14: ffff888100043c80 R15: dffffc0000000000
 should_failslab+0x9/0x20 mm/slab_common.c:1216
 slab_pre_alloc_hook mm/slab.h:558 [inline]
 slab_alloc_node mm/slub.c:2868 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc_trace+0x3a/0x2e0 mm/slub.c:2972
 kmalloc include/linux/slab.h:552 [inline]
 kzalloc include/linux/slab.h:664 [inline]
 selinux_bpf_prog_alloc+0x51/0x140 security/selinux/hooks.c:6935
 security_bpf_prog_alloc+0x62/0x90 security/security.c:2560
 bpf_prog_load kernel/bpf/syscall.c:2200 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:4435 [inline]
 __se_sys_bpf+0x9f8c/0x11cb0 kernel/bpf/syscall.c:4391
 __x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4391
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7fe272323ef9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 1f 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe2722d5218 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fe2723af1e8 RCX: 00007fe272323ef9
RDX: 0000000000000090 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 00007fe2723af1e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe272374bac
R13: 4c67dbfffffa10d5 R14: afffffffffffffff R15: 009c000008e53b02

Crashes (5):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/22 20:29 android13-5.10-lts b58b8f9dad93 edc5149a .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in addrconf_rs_timer
2024/06/25 17:43 android13-5.10-lts b58b8f9dad93 04bd2a30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in addrconf_rs_timer
2024/06/25 17:42 android13-5.10-lts b58b8f9dad93 04bd2a30 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in addrconf_rs_timer
2024/06/22 05:51 android13-5.10-lts b58b8f9dad93 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in addrconf_rs_timer
2024/06/15 15:18 android13-5.10-lts e6f44899ce5d f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in addrconf_rs_timer
* Struck through repros no longer work on HEAD.