syzbot


INFO: rcu detected stall in dvb_usb_read_remote_control (2)

Status: upstream: reported on 2024/08/05 09:11
Subsystems: media
[Documentation on labels]
Reported-by: syzbot+01926e7756f51c12b6a3@syzkaller.appspotmail.com
First crash: 198d, last: 14d
Discussions (6)
Title Replies (including bot) Last reply
[syzbot] Monthly media report (Jan 2025) 0 (1) 2025/01/20 08:15
[syzbot] Monthly media report (Nov 2024) 0 (1) 2024/11/18 10:47
[syzbot] Monthly media report (Oct 2024) 0 (1) 2024/10/17 07:41
[syzbot] Monthly media report (Sep 2024) 0 (1) 2024/09/16 12:28
[syzbot] Monthly media report (Aug 2024) 0 (1) 2024/08/16 19:57
[syzbot] [media?] INFO: rcu detected stall in dvb_usb_read_remote_control (2) 0 (1) 2024/08/05 09:11
Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in dvb_usb_read_remote_control media 1 631d 631d 0/28 auto-obsoleted due to no activity on 2023/08/18 15:19

Sample crash report:
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5176/1:b..l P18152/1:b..l P5817/1:b..l P5806/2:b..l
rcu: 	(detected by 1, t=10503 jiffies, g=48341, q=572 ncpus=2)
task:syz-executor    state:R  running task     stack:22400 pid:5806  tgid:5806  ppid:5804   flags:0x00004002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __local_bh_enable_ip+0x107/0x120 kernel/softirq.c:396
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
 __dev_queue_xmit+0x8b0/0x43e0 net/core/dev.c:4493
 dev_queue_xmit include/linux/netdevice.h:3168 [inline]
 neigh_hh_output include/net/neighbour.h:523 [inline]
 neigh_output include/net/neighbour.h:537 [inline]
 ip_finish_output2+0xc6c/0x2150 net/ipv4/ip_output.c:236
 __ip_finish_output net/ipv4/ip_output.c:314 [inline]
 __ip_finish_output+0x49e/0x950 net/ipv4/ip_output.c:296
 ip_finish_output+0x35/0x380 net/ipv4/ip_output.c:324
 NF_HOOK_COND include/linux/netfilter.h:303 [inline]
 ip_output+0x13b/0x2a0 net/ipv4/ip_output.c:434
 dst_output include/net/dst.h:450 [inline]
 ip_local_out+0x33e/0x4a0 net/ipv4/ip_output.c:130
 __ip_queue_xmit+0x777/0x1970 net/ipv4/ip_output.c:536
 __tcp_transmit_skb+0x2b39/0x3e10 net/ipv4/tcp_output.c:1468
 tcp_transmit_skb net/ipv4/tcp_output.c:1486 [inline]
 tcp_write_xmit+0x12b1/0x8560 net/ipv4/tcp_output.c:2829
 __tcp_push_pending_frames+0xaf/0x390 net/ipv4/tcp_output.c:3012
 tcp_push+0x221/0x6f0 net/ipv4/tcp.c:751
 tcp_sendmsg_locked+0x28d1/0x3770 net/ipv4/tcp.c:1326
 tcp_sendmsg+0x2e/0x50 net/ipv4/tcp.c:1358
 inet_sendmsg+0xb9/0x140 net/ipv4/af_inet.c:851
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg net/socket.c:726 [inline]
 sock_write_iter+0x4ac/0x5b0 net/socket.c:1147
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x207/0x250 fs/read_write.c:731
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f05ed7847a0
RSP: 002b:00007ffffe213938 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000003a8080600 RCX: 00007f05ed7847a0
RDX: 0000000000000098 RSI: 00007f05e7bfff68 RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000dffde8
R10: e2b70aedc252b2ea R11: 0000000000000202 R12: 0000000000000098
R13: 000055557d3318d0 R14: 00007ffffe213e40 R15: 00007f05e7bfff68
 </TASK>
task:syz-executor    state:R  running task     stack:22048 pid:5817  tgid:5817  ppid:5815   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x61/0x80 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 avc_reclaim_node security/selinux/avc.c:488 [inline]
 avc_alloc_node+0x365/0x5a0 security/selinux/avc.c:507
 avc_insert security/selinux/avc.c:618 [inline]
 avc_compute_av+0xfd/0x5c0 security/selinux/avc.c:993
 avc_perm_nonode+0xaa/0x180 security/selinux/avc.c:1117
 avc_has_perm_noaudit+0x2d2/0x3a0 security/selinux/avc.c:1160
 selinux_inode_permission+0x361/0x590 security/selinux/hooks.c:3118
 security_inode_permission+0xda/0x260 security/security.c:2319
 inode_permission fs/namei.c:600 [inline]
 inode_permission+0x17a/0x5f0 fs/namei.c:567
 may_lookup fs/namei.c:1819 [inline]
 link_path_walk.part.0.constprop.0+0x1d7/0xd40 fs/namei.c:2425
 link_path_walk fs/namei.c:2409 [inline]
 path_openat+0x228/0x2d60 fs/namei.c:3983
 do_filp_open+0x20c/0x470 fs/namei.c:4014
 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_openat fs/open.c:1433 [inline]
 __se_sys_openat fs/open.c:1428 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1428
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f175f584690
RSP: 002b:00007ffc988bf1a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f175f584690
RDX: 0000000000000002 RSI: 00007ffc988bf2a0 RDI: 00000000ffffff9c
RBP: 00007ffc988bf2a0 R08: 0000000000000000 R09: 00007ffc988bef67
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000061
R13: 000000000004c937 R14: 00007ffc988bf2a0 R15: 000000000000048b
 </TASK>
task:syz.3.5892      state:R  running task     stack:27888 pid:18152 tgid:18152 ppid:5820   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 zap_pte_range mm/memory.c:1705 [inline]
 zap_pmd_range mm/memory.c:1753 [inline]
 zap_pud_range mm/memory.c:1782 [inline]
 zap_p4d_range mm/memory.c:1803 [inline]
 unmap_page_range+0xb87/0x3d10 mm/memory.c:1824
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1870
 unmap_vmas+0x22f/0x490 mm/memory.c:1914
 exit_mmap+0x1c6/0xb20 mm/mmap.c:1672
 __mmput+0x12a/0x4c0 kernel/fork.c:1348
 mmput+0x62/0x70 kernel/fork.c:1370
 exit_mm kernel/exit.c:570 [inline]
 do_exit+0x9ba/0x2d70 kernel/exit.c:925
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 get_signal+0x24ed/0x26c0 kernel/signal.c:3017
 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcb1c585d63
RSP: 002b:00007ffe658fc398 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: 0000001b2f260000 RBX: 0000000000600000 RCX: 00007fcb1c585d63
RDX: 0000000000000003 RSI: 00000000005c0000 RDI: 0000001b2f260000
RBP: 0000001b2f260000 R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000000011 R11: 0000000000000246 R12: 0000000000000032
R13: 000000000004c10b R14: 00007ffe658fc680 R15: 00007ffe658fc680
 </TASK>
task:syslogd         state:R  running task     stack:24208 pid:5176  tgid:5176  ppid:1      flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6935
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x61/0x80 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 avc_reclaim_node security/selinux/avc.c:488 [inline]
 avc_alloc_node+0x365/0x5a0 security/selinux/avc.c:507
 avc_insert security/selinux/avc.c:618 [inline]
 avc_compute_av+0xfd/0x5c0 security/selinux/avc.c:993
 avc_perm_nonode+0xaa/0x180 security/selinux/avc.c:1117
 avc_has_perm_noaudit+0x2d2/0x3a0 security/selinux/avc.c:1160
 selinux_inode_permission+0x361/0x590 security/selinux/hooks.c:3118
 security_inode_permission+0xda/0x260 security/security.c:2319
 inode_permission fs/namei.c:600 [inline]
 inode_permission+0x17a/0x5f0 fs/namei.c:567
 may_lookup fs/namei.c:1819 [inline]
 link_path_walk.part.0.constprop.0+0x1d7/0xd40 fs/namei.c:2425
 link_path_walk fs/namei.c:2409 [inline]
 path_openat+0x228/0x2d60 fs/namei.c:3983
 do_filp_open+0x20c/0x470 fs/namei.c:4014
 do_sys_openat2+0x17a/0x1e0 fs/open.c:1402
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_openat fs/open.c:1433 [inline]
 __se_sys_openat fs/open.c:1428 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1428
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f66d8b4c9a4
RSP: 002b:00007ffc6d7e7d40 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f66d8b4c9a4
RDX: 0000000000000901 RSI: 00007f66d8ceb3b3 RDI: 00000000ffffff9c
RBP: 00007f66d8ceb3b3 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000901
R13: 0000000000000901 R14: 0000000000000901 R15: 000055d0db3f8410
 </TASK>
rcu: rcu_preempt kthread starved for 10624 jiffies! g48341 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:28472 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6848
 schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2045
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2247
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 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: 5831 Comm: kworker/0:3 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events dvb_usb_read_remote_control
RIP: 0010:rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline]
RIP: 0010:rcu_is_watching+0x41/0xc0 kernel/rcu/tree.c:737
Code: 03 00 83 f8 07 89 c5 0f 87 82 00 00 00 48 8d 3c ed e0 7c a7 8d 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <75> 5c 48 03 1c ed e0 7c a7 8d 48 b8 00 00 00 00 00 fc ff df 48 89
RSP: 0018:ffffc900000069b0 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000037f68 RCX: ffffffff89db996c
RDX: 1ffffffff1b4ef9c RSI: ffffffff8bd1ed20 RDI: ffffffff8da77ce0
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: 0000000000000001
R13: ffffc90000006cd8 R14: 0000000000000000 R15: ffff888034d2d8b8
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcb1d2a5690 CR3: 000000000df7e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 rcu_read_lock_held_common kernel/rcu/update.c:109 [inline]
 rcu_read_lock_held+0x1e/0x50 kernel/rcu/update.c:349
 __find_rr_leaf+0x36d/0xe00 net/ipv6/route.c:800
 find_rr_leaf net/ipv6/route.c:856 [inline]
 rt6_select net/ipv6/route.c:900 [inline]
 fib6_table_lookup+0x57e/0xa30 net/ipv6/route.c:2195
 ip6_pol_route+0x1cd/0x1120 net/ipv6/route.c:2231
 pol_lookup_func include/net/ip6_fib.h:616 [inline]
 fib6_rule_lookup+0x536/0x720 net/ipv6/fib6_rules.c:117
 ip6_route_input_lookup net/ipv6/route.c:2300 [inline]
 ip6_route_input+0x663/0xc10 net/ipv6/route.c:2596
 ip6_rcv_finish_core.constprop.0+0x1a0/0x5d0 net/ipv6/ip6_input.c:66
 ip6_rcv_finish+0x12c/0x5b0 net/ipv6/ip6_input.c:77
 ip_sabotage_in+0x21b/0x290 net/bridge/br_netfilter_hooks.c:1021
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626
 nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269
 NF_HOOK include/linux/netfilter.h:312 [inline]
 ipv6_rcv+0xa4/0x680 net/ipv6/ip6_input.c:309
 __netif_receive_skb_one_core+0x12e/0x1e0 net/core/dev.c:5704
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5817
 netif_receive_skb_internal net/core/dev.c:5903 [inline]
 netif_receive_skb+0x13f/0x7b0 net/core/dev.c:5962
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 br_pass_frame_up+0x346/0x490 net/bridge/br_input.c:70
 br_handle_frame_finish+0xdcf/0x1c80 net/bridge/br_input.c:221
 br_nf_hook_thresh+0x303/0x410 net/bridge/br_netfilter_hooks.c:1198
 br_nf_pre_routing_finish_ipv6+0x76a/0xfb0 net/bridge/br_netfilter_ipv6.c:154
 NF_HOOK include/linux/netfilter.h:314 [inline]
 br_nf_pre_routing_ipv6+0x3ce/0x8c0 net/bridge/br_netfilter_ipv6.c:184
 br_nf_pre_routing+0x860/0x15b0 net/bridge/br_netfilter_hooks.c:536
 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:277 [inline]
 br_handle_frame+0x9eb/0x1490 net/bridge/br_input.c:424
 __netif_receive_skb_core.constprop.0+0xa76/0x4470 net/core/dev.c:5598
 __netif_receive_skb_one_core+0xb1/0x1e0 net/core/dev.c:5702
 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5817
 process_backlog+0x443/0x15f0 net/core/dev.c:6149
 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6902
 napi_poll net/core/dev.c:6971 [inline]
 net_rx_action+0xa94/0x1010 net/core/dev.c:7093
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2061 [inline]
RIP: 0010:vprintk_emit+0x621/0x6f0 kernel/printk/printk.c:2431
Code: 85 ed 0f 85 81 00 00 00 e8 5c 4f 20 00 9c 41 5c 41 81 e4 00 02 00 00 31 ff 4c 89 e6 e8 78 4a 20 00 4d 85 e4 0f 85 8d 00 00 00 <e8> 3a 4f 20 00 45 31 c9 41 b8 01 00 00 00 31 c9 48 8d 05 00 00 00
RSP: 0018:ffffc90003497ad8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000017 RCX: ffffffff8179c59e
RDX: ffff888075a9a440 RSI: ffffffff8179c5a8 RDI: 0000000000000007
RBP: 1ffff92000692f5d R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000000
R13: 0000000000000200 R14: ffff88801d6ea440 R15: ffffc90003497bc0
 vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:86
 _printk+0xc8/0x100 kernel/printk/printk.c:2457
 m920x_read drivers/media/usb/dvb-usb/m920x.c:40 [inline]
 m920x_rc_core_query+0x2d7/0x500 drivers/media/usb/dvb-usb/m920x.c:229
 dvb_usb_read_remote_control+0xda/0x1c0 drivers/media/usb/dvb-usb/dvb-usb-remote.c:261
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3317 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
net_ratelimit: 31099 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:89:02:63:0a:90, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:89:02:63:0a:90, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 38822 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:89:02:63:0a:90, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:89:02:63:0a:90, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:89:02:63:0a:90, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:89:02:63:0a:90, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:f6:89:02:63:0a:90, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)

Crashes (251):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/11 18:47 upstream 77a903cd8e5a 6dbc6a9b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in dvb_usb_read_remote_control
2025/01/03 09:29 upstream 0bc21e701a6f d3ccff63 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in dvb_usb_read_remote_control
2024/11/08 03:33 upstream 906bd684e4b1 c069283c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/30 21:04 upstream 4236f913808c 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/23 02:24 upstream c2ee9f594da8 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: rcu detected stall in dvb_usb_read_remote_control
2025/01/26 01:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 70cd0576aa39 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/12/24 13:39 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d7123c77dc60 444551c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/11/01 12:26 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c67e9601e29a 96eb609f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/31 07:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c67e9601e29a 96eb609f .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/28 03:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c6d9e43954bf 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/25 08:10 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c6d9e43954bf c79b8ca5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/25 03:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c6d9e43954bf c79b8ca5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/23 08:14 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c6d9e43954bf 15fa2979 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/22 10:29 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c6d9e43954bf a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/22 01:16 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c6d9e43954bf f1e4447c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/21 07:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing c6d9e43954bf cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/21 01:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/20 22:49 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/20 20:28 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/20 13:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/20 01:54 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/19 20:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/18 13:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/18 06:43 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 07b887f8236e 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/17 05:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7b5a58952fc3 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/17 02:45 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7b5a58952fc3 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/17 01:22 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 7b5a58952fc3 666f77ed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/16 09:19 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing f47333c690e4 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/15 19:13 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64f3b5a6bc49 7eb57b4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/15 16:00 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64f3b5a6bc49 7eb57b4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/15 09:41 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64f3b5a6bc49 7eb57b4a .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/15 03:21 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64f3b5a6bc49 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/14 23:47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64f3b5a6bc49 b01b6661 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/14 12:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64f3b5a6bc49 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/14 10:25 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 64f3b5a6bc49 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/14 02:51 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d73dc7b182be 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/13 18:35 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d73dc7b182be 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/13 17:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d73dc7b182be 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/13 08:01 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/13 00:11 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/12 19:36 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/12 18:09 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/10/12 16:46 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 4a9fe2a8ac53 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/08/05 04:05 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d483f034f032 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/08/01 08:58 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing d483f034f032 1e9c4cf3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
2024/07/26 11:06 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing 1722389b0d86 3f86dfed .config console log report info [disk image] [vmlinux] [kernel image] ci2-upstream-usb INFO: rcu detected stall in dvb_usb_read_remote_control
* Struck through repros no longer work on HEAD.