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BUG: soft lockup in addrconf_rs_timer (2)

Status: premoderation: reported on 2024/04/27 11:00
Reported-by: syzbot+a6ee70213daf2739890b@syzkaller.appspotmail.com
First crash: 48d, last: 3d08h
▶ ▼ Similar bugs (17)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: soft lockup in addrconf_rs_timer (3) net syz 8 260d 324d 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 156d 156d 0/27 closed as invalid on 2024/03/12 13:17
android-6-1 BUG: soft lockup in addrconf_rs_timer 1 229d 229d 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 319d 337d 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 366d 378d 3/3 fixed on 2023/07/30 15:47
linux-4.19 BUG: soft lockup in addrconf_rs_timer syz error 24 501d 1183d 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 538d 1741d 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 366d 378d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:06
upstream BUG: soft lockup in addrconf_rs_timer net 18 1544d 1741d 0/27 auto-closed as invalid on 2020/07/20 22:25
android-6-1 BUG: soft lockup in addrconf_rs_timer (2) syz 7 2d01h 31d 0/2 premoderation: reported syz repro on 2024/05/13 20:21
upstream BUG: soft lockup in addrconf_rs_timer (2) net C 51 358d 379d 23/27 fixed on 2023/07/04 09:17
android-5-15 BUG: soft lockup in addrconf_rs_timer 1 327d 327d 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 956d 1410d 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 92d 187d 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 76 10h47m 13d 0/27 upstream: reported syz repro on 2024/06/01 13:51
upstream INFO: rcu detected stall in addrconf_rs_timer (5) kvm 4 780d 780d 0/27 auto-closed as invalid on 2022/06/24 22:41
linux-6.1 INFO: rcu detected stall in addrconf_rs_timer 3 15h25m 20d 0/3 upstream: reported on 2024/05/24 18:08

Sample crash report:
watchdog: BUG: soft lockup - CPU#0 stuck for 246s! [syz-executor.3:12813]
Modules linked in:
CPU: 0 PID: 12813 Comm: syz-executor.3 Not tainted 5.15.149-syzkaller-00131-g79bd336c7a94 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d cb 03 f3 03 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc900000074c0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 1ffff92000000e9c RCX: 1ffffffff0d1aa9c
RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7038ad4
RBP: ffffc90000007570 R08: dffffc0000000000 R09: ffffed103ee0715b
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881f7038ad4 R14: 0000000000000001 R15: 1ffff92000000ea0
FS:  0000555556cef480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000129011000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_node kernel/locking/qspinlock_paravirt.h:325 [inline]
 __pv_queued_spin_lock_slowpath+0x41b/0xc40 kernel/locking/qspinlock.c:473
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x270
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
 bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1919
 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201
 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline]
 __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798
 allocate_slab mm/slub.c:1932 [inline]
 new_slab+0x9a/0x4e0 mm/slub.c:1995
 ___slab_alloc+0x39e/0x830 mm/slub.c:3028
 __slab_alloc+0x4a/0x90 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0x134/0x200 mm/slub.c:3253
 kmem_cache_alloc_node include/linux/slab.h:474 [inline]
 __alloc_skb+0xbe/0x550 net/core/skbuff.c:416
 alloc_skb include/linux/skbuff.h:1183 [inline]
 ndisc_alloc_skb+0xf3/0x2d0 net/ipv6/ndisc.c:421
 ndisc_send_rs+0x26c/0x6a0 net/ipv6/ndisc.c:687
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3962
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1427
 expire_timers kernel/time/timer.c:1472 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1743
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1756
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:finish_task_switch+0x16f/0x7b0 kernel/sched/core.c:5024
Code: 74 08 4c 89 ff e8 91 66 65 00 49 8b 1f 48 85 db 4c 8b 6d c0 0f 85 ce 00 00 00 4c 89 e7 e8 e9 1f 7c 03 fb 49 8d 9d 38 0b 00 00 <48> 89 d8 48 c1 e8 03 49 be 00 00 00 00 00 fc ff df 42 0f b6 04 30
RSP: 0018:ffffc90000de7a40 EFLAGS: 00000282
RAX: 0000000080000001 RBX: ffff88810cc8b2b8 RCX: 0000000000000002
RDX: 0000000000000001 RSI: ffffffff85830e40 RDI: 0000000000000001
RBP: ffffc90000de7a90 R08: dffffc0000000000 R09: fffffbfff0d03a51
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f70378c0
R13: ffff88810cc8a780 R14: 1ffff1103ee07081 R15: ffff8881f7038408
 context_switch kernel/sched/core.c:5155 [inline]
 __schedule+0xcd4/0x1590 kernel/sched/core.c:6512
 schedule+0x11f/0x1e0 kernel/sched/core.c:6595
 freezable_schedule include/linux/freezer.h:197 [inline]
 do_nanosleep+0x181/0x6a0 kernel/time/hrtimer.c:2044
 hrtimer_nanosleep+0x1c5/0x3f0 kernel/time/hrtimer.c:2097
 common_nsleep+0x91/0xb0 kernel/time/posix-timers.c:1267
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1308 [inline]
 __se_sys_clock_nanosleep+0x323/0x3b0 kernel/time/posix-timers.c:1285
 __x64_sys_clock_nanosleep+0x9b/0xb0 kernel/time/posix-timers.c:1285
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fde24d73375
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 b9 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f ba ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffd36ecc520 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00007fde24e7ef80 RCX: 00007fde24d73375
RDX: 00007ffd36ecc560 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fde24e80980 R08: 0000000000000000 R09: 00007ffd36f1a0b0
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000004b5be
R13: 00007fde24e7ef8c R14: 0000000000000032 R15: 00007fde24e80980
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 12814 Comm: syz-executor.3 Not tainted 5.15.149-syzkaller-00131-g79bd336c7a94 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d cb 03 f3 03 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc900012460e0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff92000248c20 RCX: ffffffff8154fa3f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810c048ad8
RBP: ffffc90001246190 R08: dffffc0000000000 R09: ffffed102180915c
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810c048ad8 R14: 0000000000000003 R15: 1ffff92000248c24
FS:  00007fde240c26c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000129011000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:136 [inline]
 _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178
 sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x270
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
 bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1919
 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201
 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline]
 __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 alloc_pages include/linux/gfp.h:618 [inline]
 __stack_depot_save+0x38d/0x470 lib/stackdepot.c:326
 kasan_save_stack mm/kasan/common.c:39 [inline]
 kasan_set_track+0x5d/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kfree+0xc8/0x220 mm/slub.c:4579
 sk_psock_free_link include/linux/skmsg.h:420 [inline]
 sock_map_del_link net/core/sock_map.c:160 [inline]
 sock_map_unref+0x352/0x4d0 net/core/sock_map.c:182
 sock_hash_delete_elem+0x274/0x2f0 net/core/sock_map.c:941
 bpf_prog_2c29ac5cdc6b1842+0x3a/0x270
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline]
 bpf_trace_run4+0x13f/0x270 kernel/trace/bpf_trace.c:1919
 __bpf_trace_mm_page_alloc+0xbf/0xf0 include/trace/events/kmem.h:201
 trace_mm_page_alloc include/trace/events/kmem.h:201 [inline]
 __alloc_pages+0x3cb/0x8f0 mm/page_alloc.c:5798
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 alloc_pages include/linux/gfp.h:618 [inline]
 __stack_depot_save+0x38d/0x470 lib/stackdepot.c:326
 stack_depot_save+0xe/0x10 lib/stackdepot.c:383
 save_stack+0x104/0x1e0 mm/page_owner.c:140
 __set_page_owner+0x28/0x2e0 mm/page_owner.c:200
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2604
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2610
 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4484
 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5776
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 alloc_pages include/linux/gfp.h:618 [inline]
 __stack_depot_save+0x38d/0x470 lib/stackdepot.c:326
 kasan_save_stack mm/kasan/common.c:39 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc+0xed/0x110 mm/kasan/common.c:512
 __kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13a/0x270 mm/slub.c:4427
 __kmalloc_node include/linux/slab.h:469 [inline]
 kmalloc_node include/linux/slab.h:626 [inline]
 kvmalloc_node+0x1f0/0x4d0 mm/util.c:628
 kvmalloc include/linux/mm.h:851 [inline]
 seq_buf_alloc fs/seq_file.c:38 [inline]
 seq_read_iter+0x1ff/0xd00 fs/seq_file.c:210
 proc_reg_read_iter+0x1ba/0x290 fs/proc/inode.c:300
 call_read_iter include/linux/fs.h:2196 [inline]
 generic_file_splice_read+0x4aa/0x780 fs/splice.c:311
 do_splice_to fs/splice.c:796 [inline]
 splice_direct_to_actor+0x439/0xbe0 fs/splice.c:870
 do_splice_direct+0x27f/0x3c0 fs/splice.c:979
 do_sendfile+0x616/0xfe0 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1303
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fde24d47f69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007fde240c20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fde24e7ef80 RCX: 00007fde24d47f69
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007fde24da56fe R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000f2a R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fde24e7ef80 R15: 00007ffd36ecc4a8
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/11 06:37 android13-5.15-lts 79bd336c7a94 b7d9eb04 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in addrconf_rs_timer
2024/04/27 10:59 android13-5.15-lts 5d96939590c0 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-15 BUG: soft lockup in addrconf_rs_timer
* Struck through repros no longer work on HEAD.