* [syzbot] [mm?] INFO: rcu detected stall in sys_setsockopt (4)
@ 2024-11-25 8:53 syzbot
2024-12-12 13:26 ` syzbot
0 siblings, 1 reply; 2+ messages in thread
From: syzbot @ 2024-11-25 8:53 UTC (permalink / raw)
To: akpm, bigeasy, davem, edumazet, kerneljasonxing, kuba,
linux-kernel, linux-mm, netdev, pabeni, syzkaller-bugs, tglx
Hello,
syzbot found the following issue on:
HEAD commit: cfba9f07a1d6 Add linux-next specific files for 20241122
git tree: linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1701175f980000
kernel config: https://syzkaller.appspot.com/x/.config?x=45719eec4c74e6ba
dashboard link: https://syzkaller.appspot.com/bug?extid=6e61d59e9d2150c8492b
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13353b78580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/be35516c7ba5/disk-cfba9f07.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/70295210dc7d/vmlinux-cfba9f07.xz
kernel image: https://storage.googleapis.com/syzbot-assets/8b5d044072ee/bzImage-cfba9f07.xz
The issue was bisected to:
commit d15121be7485655129101f3960ae6add40204463
Author: Paolo Abeni <pabeni@redhat.com>
Date: Mon May 8 06:17:44 2023 +0000
Revert "softirq: Let ksoftirqd do its job"
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=121d5ee8580000
final oops: https://syzkaller.appspot.com/x/report.txt?x=111d5ee8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=161d5ee8580000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6e61d59e9d2150c8492b@syzkaller.appspotmail.com
Fixes: d15121be7485 ("Revert "softirq: Let ksoftirqd do its job"")
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6057/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=12753, q=1720979 ncpus=2)
task:syz-executor state:R running task stack:20544 pid:6057 tgid:6057 ppid:1 flags:0x00000006
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5853
Code: 2b 00 74 08 4c 89 f7 e8 ba be 8f 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000322f2a0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000645e60 RCX: ffff88802d22c6d8
RDX: dffffc0000000000 RSI: ffffffff8c0aa840 RDI: ffffffff8c5e88a0
RBP: ffffc9000322f3f8 R08: ffffffff9428a887 R09: 1ffffffff2851510
R10: dffffc0000000000 R11: fffffbfff2851511 R12: 1ffff92000645e5c
R13: dffffc0000000000 R14: ffffc9000322f300 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
page_ext_get+0x3d/0x2a0 mm/page_ext.c:525
__page_table_check_zero+0xb1/0x350 mm/page_table_check.c:148
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1128 [inline]
free_unref_page+0xe0e/0x1140 mm/page_alloc.c:2693
discard_slab mm/slub.c:2673 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3142
put_cpu_partial+0x17c/0x250 mm/slub.c:3217
__slab_free+0x2ea/0x3d0 mm/slub.c:4468
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_kmalloc+0x23/0xb0 mm/kasan/common.c:385
kasan_kmalloc include/linux/kasan.h:260 [inline]
__kmalloc_cache_node_noprof+0x25d/0x3a0 mm/slub.c:4326
kmalloc_node_noprof include/linux/slab.h:924 [inline]
__get_vm_area_node+0x132/0x2d0 mm/vmalloc.c:3127
__vmalloc_node_range_noprof+0x344/0x1380 mm/vmalloc.c:3804
__vmalloc_node_noprof mm/vmalloc.c:3909 [inline]
vzalloc_noprof+0x79/0x90 mm/vmalloc.c:3982
__do_replace+0xc8/0xa40 net/ipv4/netfilter/ip_tables.c:1046
do_replace net/ipv4/netfilter/ip_tables.c:1141 [inline]
do_ipt_set_ctl+0xf02/0x1250 net/ipv4/netfilter/ip_tables.c:1635
nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x3af/0x720 net/socket.c:2313
__sys_setsockopt net/socket.c:2338 [inline]
__do_sys_setsockopt net/socket.c:2344 [inline]
__se_sys_setsockopt net/socket.c:2341 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f1638070a
RSP: 002b:00007ffec3066f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007ffec3066fc0 RCX: 00007f1f1638070a
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00000000000002d8 R09: 00007ffec3067377
R10: 00007f1f16509ea0 R11: 0000000000000202 R12: 00007f1f16509e40
R13: 00007ffec3066f5c R14: 0000000000000000 R15: 00007f1f1650c000
</TASK>
rcu: rcu_preempt kthread starved for 9031 jiffies! g12753 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:25720 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Not tainted 6.12.0-next-20241122-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
Workqueue: wg-crypt-wg2 wg_packet_tx_worker
RIP: 0010:__trace_hardirqs_on_caller kernel/locking/lockdep.c:4346 [inline]
RIP: 0010:lockdep_hardirqs_on_prepare+0x317/0x780 kernel/locking/lockdep.c:4406
Code: 00 00 fc ff df eb ac 48 c7 c7 20 48 80 8e 4c 89 ee e8 fd 56 80 03 48 ba 00 00 00 00 00 fc ff df e9 3d ff ff ff 48 8b 44 24 10 <48> 8d 98 c0 0a 00 00 48 89 d8 48 c1 e8 03 0f b6 04 10 84 c0 0f 85
RSP: 0018:ffffc90000007a00 EFLAGS: 00000046
RAX: ffff88801d2bda00 RBX: ffff88801d2be530 RCX: ffffffff817b230a
RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff9428a988
RBP: ffffc90000007ab8 R08: ffffffff9428a98f R09: 1ffffffff2851531
R10: dffffc0000000000 R11: fffffbfff2851532 R12: ffff88801d2be550
R13: 0000000000000002 R14: ffff88801d2be4d8 R15: 1ffff11003a57c9b
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b1b8f2b008 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<IRQ>
trace_hardirqs_on+0x28/0x40 kernel/trace/trace_preemptirq.c:47
__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
_raw_spin_unlock_irq+0x23/0x50 kernel/locking/spinlock.c:202
spin_unlock_irq include/linux/spinlock.h:401 [inline]
backlog_unlock_irq_enable net/core/dev.c:258 [inline]
process_backlog+0x101e/0x15b0 net/core/dev.c:6146
__napi_poll+0xcb/0x490 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
do_softirq+0x11b/0x1e0 kernel/softirq.c:455
</IRQ>
<TASK>
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
wg_packet_create_data_done drivers/net/wireguard/send.c:247 [inline]
wg_packet_tx_worker+0x160/0x810 drivers/net/wireguard/send.c:276
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
---
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If the report is already addressed, let syzbot know by replying with:
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If you want syzbot to run the reproducer, reply with:
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [syzbot] [mm?] INFO: rcu detected stall in sys_setsockopt (4)
2024-11-25 8:53 [syzbot] [mm?] INFO: rcu detected stall in sys_setsockopt (4) syzbot
@ 2024-12-12 13:26 ` syzbot
0 siblings, 0 replies; 2+ messages in thread
From: syzbot @ 2024-12-12 13:26 UTC (permalink / raw)
To: akpm, bigeasy, davem, edumazet, kerneljasonxing, kuba,
linux-kernel, linux-mm, netdev, pabeni, syzkaller-bugs, tglx
syzbot has found a reproducer for the following issue on:
HEAD commit: 15bfb14727bc MAINTAINERS: Add ethtool.h to NETWORKING [GEN..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=17041be8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1362a5aee630ff34
dashboard link: https://syzkaller.appspot.com/bug?extid=6e61d59e9d2150c8492b
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13cc0730580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11824d44580000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/1a049b6d3107/disk-15bfb147.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/6ec93447ce2e/vmlinux-15bfb147.xz
kernel image: https://storage.googleapis.com/syzbot-assets/3c68a69f3efe/bzImage-15bfb147.xz
The issue was bisected to:
commit d15121be7485655129101f3960ae6add40204463
Author: Paolo Abeni <pabeni@redhat.com>
Date: Mon May 8 06:17:44 2023 +0000
Revert "softirq: Let ksoftirqd do its job"
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=121d5ee8580000
final oops: https://syzkaller.appspot.com/x/report.txt?x=111d5ee8580000
console output: https://syzkaller.appspot.com/x/log.txt?x=161d5ee8580000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6e61d59e9d2150c8492b@syzkaller.appspotmail.com
Fixes: d15121be7485 ("Revert "softirq: Let ksoftirqd do its job"")
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1):
P5828/1:b..l
rcu: (detected by 0, t=10504 jiffies, g=8057, q=701 ncpus=2)
task:syz-executor346 state:R running task stack:18864 pid:5828 tgid:5828 ppid:5827 flags:0x00004002
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7078
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_count_add+0x16/0x190 kernel/sched/core.c:5843
Code: 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 41 56 53 89 fb 48 c7 c0 c0 f9 3b 9a 48 c1 e8 03 <49> bf 00 00 00 00 00 fc ff df 42 0f b6 04 38 84 c0 0f 85 ed 00 00
RSP: 0018:ffffc90003f0eeb0 EFLAGS: 00000a02
RAX: 1ffffffff3477f38 RBX: 0000000000000001 RCX: ffffc90003f0f368
RDX: dffffc0000000000 RSI: ffffffff81fe9b6b RDI: 0000000000000001
RBP: ffffc90003f0efd8 R08: 0000000000000001 R09: ffffc90003f0f090
R10: ffffc90003f0eff0 R11: ffffffff818b36f0 R12: dffffc0000000000
R13: ffffc90003f0efa0 R14: ffffffff81fe9b6b R15: 0000000000000000
unwind_next_frame+0xb0/0x22d0 arch/x86/kernel/unwind_orc.c:479
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_page+0xdef/0x1130 mm/page_alloc.c:2657
discard_slab mm/slub.c:2673 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3142
put_cpu_partial+0x17c/0x250 mm/slub.c:3217
__slab_free+0x2ea/0x3d0 mm/slub.c:4468
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:250 [inline]
slab_post_alloc_hook mm/slub.c:4104 [inline]
slab_alloc_node mm/slub.c:4153 [inline]
kmem_cache_alloc_node_noprof+0x1d9/0x380 mm/slub.c:4205
alloc_vmap_area+0x24f/0x2400 mm/vmalloc.c:1986
__get_vm_area_node+0x1c8/0x2d0 mm/vmalloc.c:3137
__vmalloc_node_range_noprof+0x344/0x1380 mm/vmalloc.c:3804
__vmalloc_node_noprof mm/vmalloc.c:3909 [inline]
vzalloc_noprof+0x79/0x90 mm/vmalloc.c:3982
__do_replace+0xc8/0xa50 net/ipv6/netfilter/ip6_tables.c:1063
do_replace net/ipv6/netfilter/ip6_tables.c:1158 [inline]
do_ip6t_set_ctl+0xf11/0x1270 net/ipv6/netfilter/ip6_tables.c:1644
nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101
do_sock_setsockopt+0x3af/0x720 net/socket.c:2313
__sys_setsockopt net/socket.c:2338 [inline]
__do_sys_setsockopt net/socket.c:2344 [inline]
__se_sys_setsockopt net/socket.c:2341 [inline]
__x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2341
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f014ef6d63a
RSP: 002b:00007fff22ff02d8 EFLAGS: 00000282 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fff22ff0300 RCX: 00007f014ef6d63a
RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 0000000000000003 R08: 00000000000002e8 R09: 0079746972756365
R10: 00007f014efe3fe0 R11: 0000000000000282 R12: 00007f014efe3fe0
R13: 00007f014efe4d60 R14: 00007fff22ff02fc R15: 0000000000000000
</TASK>
rcu: rcu_preempt kthread starved for 10547 jiffies! g8057 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:26072 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x1850/0x4c30 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2045
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2247
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc1-syzkaller-00230-g15bfb14727bc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 16 af 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 07 af 20 00 eb 06 e8 00 af 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 b6 96 8b 00 4c 8b
RSP: 0018:ffffc900001568a0 EFLAGS: 00000246
RAX: ffffffff817ec320 RBX: ffffffff8f172418 RCX: ffff88801cecda00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000156a50 R08: ffffffff817ec2f7 R09: 1ffffffff20328c6
R10: dffffc0000000000 R11: fffffbfff20328c7 R12: ffffffff8f1723c0
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc90000156aa0
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f014efe3974 CR3: 000000000e736000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
</IRQ>
<TASK>
__console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3309
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2432
_printk+0xd5/0x120 kernel/printk/printk.c:2457
br_fdb_update+0x6ce/0x740 net/bridge/br_fdb.c:897
br_handle_frame_finish+0x739/0x1fe0 net/bridge/br_input.c:141
br_nf_hook_thresh+0x472/0x590
br_nf_pre_routing_finish_ipv6+0xaa0/0xdd0
NF_HOOK include/linux/netfilter.h:314 [inline]
br_nf_pre_routing_ipv6+0x379/0x770 net/bridge/br_netfilter_ipv6.c:184
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
br_handle_frame+0x9fd/0x1530 net/bridge/br_input.c:424
__netif_receive_skb_core+0x14eb/0x4690 net/core/dev.c:5566
__netif_receive_skb_one_core net/core/dev.c:5670 [inline]
__netif_receive_skb+0x12f/0x650 net/core/dev.c:5785
process_backlog+0x662/0x15b0 net/core/dev.c:6117
__napi_poll+0xcb/0x490 net/core/dev.c:6883
napi_poll net/core/dev.c:6952 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7074
handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:554
run_ksoftirqd+0xca/0x130 kernel/softirq.c:943
smpboot_thread_fn+0x544/0xa30 kernel/smpboot.c:164
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
net_ratelimit: 25184 callbacks suppressed
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
net_ratelimit: 28992 callbacks suppressed
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
---
If you want syzbot to run the reproducer, reply with:
#syz test: git://repo/address.git branch-or-commit-hash
If you attach or paste a git patch, syzbot will apply it before testing.
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