syzbot


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: 13d, last: 13d
Similar bugs (14)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: soft lockup in addrconf_rs_timer (3) net syz 8 225d 289d 0/26 auto-obsoleted due to no activity on 2024/01/05 16:48
upstream BUG: soft lockup in addrconf_rs_timer (4) net 1 120d 120d 0/26 closed as invalid on 2024/03/12 13:17
android-6-1 BUG: soft lockup in addrconf_rs_timer 1 193d 193d 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 284d 302d 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 331d 343d 3/3 fixed on 2023/07/30 15:47
linux-4.19 BUG: soft lockup in addrconf_rs_timer syz error 24 465d 1148d 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 503d 1705d 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 331d 343d 0/3 auto-obsoleted due to no activity on 2023/08/23 09:06
upstream BUG: soft lockup in addrconf_rs_timer net 18 1509d 1706d 0/26 auto-closed as invalid on 2020/07/20 22:25
upstream BUG: soft lockup in addrconf_rs_timer (2) net C 51 323d 344d 23/26 fixed on 2023/07/04 09:17
android-5-15 BUG: soft lockup in addrconf_rs_timer 1 291d 291d 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 921d 1375d 0/26 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 57d 152d 0/3 upstream: reported C repro on 2023/12/10 10:27
upstream INFO: rcu detected stall in addrconf_rs_timer (5) kvm 4 745d 745d 0/26 auto-closed as invalid on 2022/06/24 22:41

Sample crash report:
watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [syz-executor.4:3633]
Modules linked in:
CPU: 1 PID: 3633 Comm: syz-executor.4 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 5b 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:ffffc900001cfca0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 1ffff92000039f98 RCX: 1ffffffff0d1aa9c
RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7137ed4
RBP: ffffc900001cfd50 R08: dffffc0000000000 R09: ffffed103ee26fdb
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881f7137ed4 R14: 0000000000000001 R15: 1ffff92000039f9c
FS:  00007faac28e76c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f98bc548988 CR3: 00000001117f5000 CR4: 00000000003506a0
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/0xc40
 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:1883 [inline]
 bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x1f3/0x220 mm/slub.c:4569
 skb_free_head net/core/skbuff.c:656 [inline]
 skb_release_data+0x8a9/0xa80 net/core/skbuff.c:678
 skb_release_all net/core/skbuff.c:743 [inline]
 __kfree_skb net/core/skbuff.c:757 [inline]
 kfree_skb_reason net/core/skbuff.c:778 [inline]
 kfree_skb+0xba/0x360 net/core/skbuff.c:792
 vti6_tnl_xmit+0x12a3/0x1860 net/ipv6/ip6_vti.c:596
 __netdev_start_xmit include/linux/netdevice.h:5059 [inline]
 netdev_start_xmit include/linux/netdevice.h:5073 [inline]
 xmit_one net/core/dev.c:3624 [inline]
 dev_hard_start_xmit+0x228/0x620 net/core/dev.c:3640
 __dev_queue_xmit+0x18b4/0x2e70 net/core/dev.c:4255
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288
 neigh_connected_output+0x417/0x450 net/core/neighbour.c:1533
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0xf95/0x16e0 net/ipv6/ip6_output.c:126
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:509
 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: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:find_stack lib/stackdepot.c:207 [inline]
RIP: 0010:__stack_depot_save+0x16b/0x470 lib/stackdepot.c:304
Code: 89 ff 48 8b 05 8e b9 ab 04 44 89 f1 81 e1 ff 0f 00 00 48 89 45 b0 48 89 4d b8 4c 8b 24 c8 4c 89 cb 41 89 df eb 04 4d 8b 24 24 <4d> 85 e4 74 2d 45 39 74 24 08 75 f0 41 39 5c 24 0c 75 e9 31 c0 49
RSP: 0018:ffffc90000a469a8 EFLAGS: 00000286
RAX: ffff88823fe80000 RBX: 0000000000000013 RCX: 00000000000002f2
RDX: ffffc90000a46aa0 RSI: 0000000000000001 RDI: 0000000000092800
RBP: ffffc90000a46a00 R08: 0000000000000002 R09: 0000000000000013
R10: ffffc90000a46970 R11: dffffc0000000001 R12: ffff88810a2508c0
R13: ffffc90000a46a10 R14: 000000005f4fd2f2 R15: 0000000000000013
 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_slab_alloc+0xc3/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3240 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
 mempool_alloc_slab+0x1d/0x30 mm/mempool.c:513
 mempool_alloc+0x149/0x550 mm/mempool.c:393
 iostat_alloc_and_bind_ctx+0x38/0x100 fs/f2fs/iostat.c:240
 f2fs_grab_read_bio+0x592/0x7b0 fs/f2fs/data.c:1046
 f2fs_submit_page_read+0xbb/0x1d0 fs/f2fs/data.c:1058
 f2fs_get_read_data_page+0x5a7/0x7e0 fs/f2fs/data.c:1247
 gc_data_segment fs/f2fs/gc.c:1558 [inline]
 do_garbage_collect+0x3a47/0x6930 fs/f2fs/gc.c:1726
 f2fs_gc+0xa16/0x1ad0 fs/f2fs/gc.c:1825
 f2fs_balance_fs+0x341/0x3f0 fs/f2fs/segment.c:426
 f2fs_map_blocks+0x2992/0x3ac0 fs/f2fs/data.c:1674
 expand_inode_data+0x5b2/0xac0 fs/f2fs/file.c:1701
 f2fs_fallocate+0x427/0x770 fs/f2fs/file.c:1796
 vfs_fallocate+0x492/0x570 fs/open.c:309
 ksys_fallocate fs/open.c:332 [inline]
 __do_sys_fallocate fs/open.c:340 [inline]
 __se_sys_fallocate fs/open.c:338 [inline]
 __x64_sys_fallocate+0xc0/0x110 fs/open.c:338
 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: 0033:0x7faac3b73ea9
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:00007faac28e70c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007faac3ca1f80 RCX: 00007faac3b73ea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007faac3bc04a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000002000402 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007faac3ca1f80 R15: 00007ffe516c9518
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 26400 Comm: syz-executor.1 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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 5b 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:ffffc90001c073e0 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff92000380e80 RCX: ffffffff8154fa7f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881155bf718
RBP: ffffc90001c07490 R08: dffffc0000000000 R09: ffffed1022ab7ee4
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881155bf718 R14: 0000000000000003 R15: 1ffff92000380e84
FS:  00007f7e284366c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f421000 CR3: 000000016805b000 CR4: 00000000003506b0
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/0xc40
 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:1883 [inline]
 bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x1f3/0x220 mm/slub.c:4569
 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/0xc40
 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:1883 [inline]
 bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920
 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118
 trace_kfree include/trace/events/kmem.h:118 [inline]
 kfree+0x1f3/0x220 mm/slub.c:4569
 ___sys_recvmsg+0x210/0x690 net/socket.c:2693
 do_recvmmsg+0x36b/0x8b0 net/socket.c:2786
 __sys_recvmmsg net/socket.c:2865 [inline]
 __do_sys_recvmmsg net/socket.c:2888 [inline]
 __se_sys_recvmmsg net/socket.c:2881 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2881
 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: 0033:0x7f7e296e3ea9
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:00007f7e284360c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f7e29812050 RCX: 00007f7e296e3ea9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f7e297304a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7e29812050 R15: 00007ffe7e56a528
 </TASK>

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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.