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): P7214/1:b..l P5187/1:b..l rcu: (detected by 1, t=10503 jiffies, g=41553, q=1153 ncpus=2) task:klogd state:R running task stack:25112 pid:5187 tgid:5187 ppid:1 task_flags:0x400100 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__orc_find+0x13/0xf0 arch/x86/kernel/unwind_orc.c:86 Code: 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 41 55 49 89 cd 89 d1 41 54 4c 8d 64 8f fc 55 <53> 48 83 ec 08 85 d2 0f 84 99 00 00 00 49 89 fe 48 89 f0 49 39 fc RSP: 0018:ffffc90003147420 EFLAGS: 00000216 RAX: ffffffff91b10090 RBX: 0000000000000001 RCX: 0000000000000009 RDX: 0000000000000009 RSI: ffffffff91b10090 RDI: ffffffff90fdd9e4 RBP: ffffc90003147508 R08: ffffffff91b100c6 R09: 00000000f46f8dfa R10: 0000000000000002 R11: 0000000000083bdc R12: ffffffff90fdda04 R13: ffffffff893bdc3e R14: ffffc900031474f5 R15: ffffffff893bdc3e orc_find arch/x86/kernel/unwind_orc.c:238 [inline] unwind_next_frame+0x2ec/0x20b0 arch/x86/kernel/unwind_orc.c:510 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:165 __reset_page_owner+0x84/0x1a0 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0x7df/0x1170 mm/page_alloc.c:2943 discard_slab mm/slub.c:3346 [inline] __put_partials+0x130/0x170 mm/slub.c:3886 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4c/0xf0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:349 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4953 [inline] slab_alloc_node mm/slub.c:5263 [inline] __do_kmalloc_node mm/slub.c:5656 [inline] __kmalloc_node_track_caller_noprof+0x30b/0x930 mm/slub.c:5764 kmalloc_reserve+0xef/0x2c0 net/core/skbuff.c:608 __alloc_skb+0x186/0x410 net/core/skbuff.c:690 alloc_skb include/linux/skbuff.h:1383 [inline] alloc_skb_with_frags+0xe0/0x860 net/core/skbuff.c:6712 sock_alloc_send_pskb+0x7f9/0x980 net/core/sock.c:2995 unix_dgram_sendmsg+0x3bc/0x1830 net/unix/af_unix.c:2130 sock_sendmsg_nosec net/socket.c:727 [inline] __sock_sendmsg net/socket.c:742 [inline] __sys_sendto+0x4a3/0x520 net/socket.c:2206 __do_sys_sendto net/socket.c:2213 [inline] __se_sys_sendto net/socket.c:2209 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2209 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fed14932407 RSP: 002b:00007ffe8dfeeea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fed147e2c80 RCX: 00007fed14932407 RDX: 000000000000005a RSI: 00007ffe8dfeefe0 RDI: 0000000000000003 RBP: 00007ffe8dfef410 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000004000 R11: 0000000000000202 R12: 00007ffe8dfef428 R13: 00007ffe8dfeefe0 R14: 000000000000003f R15: 00007ffe8dfeefe0 task:kworker/u10:0 state:R running task stack:25480 pid:7214 tgid:7214 ppid:2 task_flags:0x4248060 flags:0x00080000 Workqueue: ext4-rsv-conversion ext4_end_io_rsv_work Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:109 [inline] RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:127 [inline] RIP: 0010:lock_is_held_type+0x54/0x150 kernel/locking/lockdep.c:5936 Code: 21 3d 08 85 c0 0f 85 ce 00 00 00 65 4c 8b 25 db d9 3c 08 41 8b 94 24 2c 0b 00 00 85 d2 0f 85 b6 00 00 00 48 89 fd 41 89 f6 9c <8f> 04 24 fa 48 c7 c7 a8 a9 bb 8d 4d 8d ac 24 30 0b 00 00 45 31 ff RSP: 0018:ffffc9000eb47278 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 000000000004aa39 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff8e3c94a0 RBP: ffffffff8e3c94a0 R08: 0000000000000006 R09: 0000000000000000 R10: 0000000000001000 R11: ffff888029290b30 R12: ffff888029290000 R13: 00000000ffffffff R14: 00000000ffffffff R15: 0000000000000000 lookup_page_ext+0x6e/0x100 mm/page_ext.c:254 page_ext_get+0x58/0x1a0 mm/page_ext.c:528 __reset_page_owner+0x2b/0x1a0 mm/page_owner.c:306 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0x7df/0x1170 mm/page_alloc.c:2943 discard_slab mm/slub.c:3346 [inline] __put_partials+0x130/0x170 mm/slub.c:3886 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4c/0xf0 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_kmalloc+0x8a/0xb0 mm/kasan/common.c:405 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5657 [inline] __kmalloc_noprof+0x33d/0x910 mm/slub.c:5669 kmalloc_noprof include/linux/slab.h:961 [inline] kmalloc_array_noprof include/linux/slab.h:1003 [inline] ext4_find_extent+0x844/0xa70 fs/ext4/extents.c:917 ext4_ext_map_blocks+0x290/0x5f10 fs/ext4/extents.c:4208 ext4_map_create_blocks fs/ext4/inode.c:613 [inline] ext4_map_blocks+0x573/0x1350 fs/ext4/inode.c:816 ext4_convert_unwritten_extents+0x2ad/0x4c0 fs/ext4/extents.c:4976 ext4_convert_unwritten_io_end_vec+0x127/0x280 fs/ext4/extents.c:5016 ext4_end_io_end+0xd5/0x4a0 fs/ext4/page-io.c:199 ext4_do_flush_completed_IO fs/ext4/page-io.c:290 [inline] ext4_end_io_rsv_work+0x205/0x380 fs/ext4/page-io.c:305 process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257 process_scheduled_works kernel/workqueue.c:3340 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246 net_ratelimit: 8927 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 veth0_to_bridge with own address as source address (addr:82:ab:9f:a4:4f:ba, 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) net_ratelimit: 10416 callbacks suppressed 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:82:ab:9f:a4:4f:ba, 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 veth0_to_bridge with own address as source address (addr:82:ab:9f:a4:4f:ba, vlan:0)