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:1b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5054/1:b..l P14002/1:b..l P4481/1:b..l P13997/1:b..l P6406/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=86125, q=317 ncpus=2)
task:kworker/u4:27 state:R running task stack:25728 pid:6406 ppid:2 flags:0x00004000
Workqueue: bat_events batadv_nc_worker
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5729
Code: c1 05 d5 6e 9b 7e 83 f8 01 0f 85 b0 02 00 00 9c 58 f6 c4 02 0f 85 9b 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90007567ac8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92000eacf5b RCX: 0000000000000001
RDX: 1ffff11002edb158 RSI: ffffffff8a6c83a0 RDI: ffffffff8ac81200
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2309dd0
R10: ffffffff9184ee87 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8c9a7400 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
rcu_read_lock include/linux/rcupdate.h:749 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
batadv_nc_worker+0x175/0x10f0 net/batman-adv/network-coding.c:719
process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600
worker_thread+0x687/0x1110 kernel/workqueue.c:2751
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
task:syz-executor.0 state:R running task stack:27360 pid:13997 ppid:5075 flags:0x20004006
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:650
RIP: 0010:find_stack lib/stackdepot.c:349 [inline]
RIP: 0010:__stack_depot_save+0x14e/0x510 lib/stackdepot.c:390
Code: 31 d8 c1 c3 0e 41 29 d8 44 31 c0 41 c1 c8 08 44 29 c0 89 c3 48 8b 05 a9 79 f0 0d 89 d9 23 0d 99 79 f0 0d 48 8d 0c c8 48 8b 29 <48> 85 ed 75 0b eb 70 48 8b 6d 00 48 85 ed 74 67 39 5d 08 75 f2 44
RSP: 0018:ffffc90005f3f6e8 EFLAGS: 00000202
RAX: ffff88823b400000 RBX: 000000004fe7f8e9 RCX: ffff88823b7fc748
RDX: 0000000000000010 RSI: 0000000000000002 RDI: 00000000d9d08c70
RBP: ffff88807dd9f5a0 R08: 00000000564644b3 R09: ffffffff8f3cd3d8
R10: ffffc90005f3f620 R11: 000000000000bddf R12: 0000000000000001
R13: 0000000000002800 R14: ffffc90005f3f770 R15: 0000000000000010
save_stack+0x16d/0x1f0 mm/page_owner.c:129
__reset_page_owner+0x5a/0x190 mm/page_owner.c:149
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1161 [inline]
free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:762 [inline]
slab_alloc_node mm/slub.c:3470 [inline]
slab_alloc mm/slub.c:3478 [inline]
__kmem_cache_alloc_lru mm/slub.c:3485 [inline]
kmem_cache_alloc+0x172/0x3b0 mm/slub.c:3494
ptlock_alloc+0x1f/0x70 mm/memory.c:6066
ptlock_init include/linux/mm.h:2814 [inline]
pgtable_pte_page_ctor include/linux/mm.h:2835 [inline]
__pte_alloc_one include/asm-generic/pgalloc.h:66 [inline]
pte_alloc_one+0x6a/0x240 arch/x86/mm/pgtable.c:33
__pte_alloc+0x6e/0x270 mm/memory.c:440
__get_locked_pte+0x99/0xc0 mm/memory.c:1817
get_locked_pte include/linux/mm.h:2642 [inline]
insert_page mm/memory.c:1859 [inline]
vm_insert_page+0x60e/0x810 mm/memory.c:2030
kcov_mmap+0xf2/0x170 kernel/kcov.c:496
call_mmap include/linux/fs.h:1882 [inline]
mmap_region+0x615/0x2650 mm/mmap.c:2751
do_mmap+0x884/0xee0 mm/mmap.c:1363
vm_mmap_pgoff+0x1a6/0x3b0 mm/util.c:543
ksys_mmap_pgoff+0x422/0x5b0 mm/mmap.c:1409
do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
__do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f5e579
RSP: 002b:00000000f749faa0 EFLAGS: 00000246 ORIG_RAX: 00000000000000c0
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000200000
RDX: 0000000000000003 RSI: 0000000000000001 RDI: 00000000000000db
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
task:udevd state:R running task stack:24352 pid:4481 ppid:1 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:lock_acquire+0x33/0x510 kernel/locking/lockdep.c:5729
Code: 00 00 fc ff df 41 57 4d 89 cf 41 56 49 89 fe 41 55 41 89 d5 41 54 45 89 c4 55 53 48 81 ec b0 00 00 00 48 8d 5c 24 10 89 34 24 <48> c1 eb 03 89 4c 24 04 48 c7 44 24 10 b3 8a b5 41 48 01 d8 48 c7
RSP: 0018:ffffc900031cf940 EFLAGS: 00000282
RAX: dffffc0000000000 RBX: ffffc900031cf950 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c9a7400
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffea0001f230b7 R11: 0000000000094000 R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff8c9a7400 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:303 [inline]
rcu_read_lock include/linux/rcupdate.h:749 [inline]
page_ext_get+0x3c/0x310 mm/page_ext.c:167
__reset_page_owner+0x2f/0x190 mm/page_owner.c:145
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1161 [inline]
free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443
__unfreeze_partials+0x21d/0x240 mm/slub.c:2647
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:762 [inline]
slab_alloc_node mm/slub.c:3470 [inline]
slab_alloc mm/slub.c:3478 [inline]
__kmem_cache_alloc_lru mm/slub.c:3485 [inline]
kmem_cache_alloc+0x172/0x3b0 mm/slub.c:3494
getname_flags.part.0+0x50/0x4d0 fs/namei.c:140
getname_flags+0x9c/0xf0 include/linux/audit.h:319
vfs_fstatat+0x77/0xb0 fs/stat.c:275
__do_sys_newfstatat+0x98/0x110 fs/stat.c:446
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcc749635f4
RSP: 002b:00007ffe36de9a28 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000055b76e0506c8 RCX: 00007fcc749635f4
RDX: 00007ffe36de9a38 RSI: 000055b76e040897 RDI: 00000000ffffff9c
RBP: 000055b76faa7fb8 R08: 0005f9c4c6fe15c0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 0005f9c4c6fe15c0 R15: 000055b76e044dca
task:udevd state:R running task stack:27280 pid:14002 ppid:4481 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:unwind_next_frame+0xe48/0x2020 arch/x86/kernel/unwind_orc.c:672
Code: d0 0f 93 c1 48 39 d5 0f 92 c0 84 c1 74 0b 48 39 5c 24 10 0f 83 82 08 00 00 bf 01 00 00 00 e8 df ab 1f 00 65 8b 05 b0 39 ca 7e <85> c0 0f 84 5f 08 00 00 b8 01 00 00 00 e9 e6 f1 ff ff ba 28 00 00
RSP: 0018:ffffc9000603f7a8 EFLAGS: 00000297
RAX: 0000000080000000 RBX: ffffc9000603fd40 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffffc9000603fd30 RDI: 0000000000000001
RBP: ffffc90006038000 R08: ffffc9000603f84c R09: ffffffff8f3eed6e
R10: ffffc9000603f818 R11: 000000000000d9b1 R12: ffffc9000603f868
R13: ffffc9000603f818 R14: ffffc9000603fd40 R15: ffffc9000603fd38
arch_stack_walk+0x8b/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
save_stack+0x160/0x1f0 mm/page_owner.c:128
__reset_page_owner+0x5a/0x190 mm/page_owner.c:149
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1161 [inline]
free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
free_unref_page+0x33/0x3b0 mm/page_alloc.c:2443
__unfreeze_partials+0x21d/0x240 mm/slub.c:2647
qlink_free mm/kasan/quarantine.c:166 [inline]
qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
__kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
kasan_slab_alloc include/linux/kasan.h:186 [inline]
slab_post_alloc_hook mm/slab.h:762 [inline]
slab_alloc_node mm/slub.c:3470 [inline]
slab_alloc mm/slub.c:3478 [inline]
__kmem_cache_alloc_lru mm/slub.c:3485 [inline]
kmem_cache_alloc+0x172/0x3b0 mm/slub.c:3494
getname_flags.part.0+0x50/0x4d0 fs/namei.c:140
getname_flags+0x9c/0xf0 include/linux/audit.h:319
vfs_fstatat+0x77/0xb0 fs/stat.c:275
__do_sys_newfstatat+0x98/0x110 fs/stat.c:446
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcc749635f4
RSP: 002b:00007ffe36de93d8 EFLAGS: 00000202 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcc749635f4
RDX: 00007ffe36de9408 RSI: 000055b76fa92510 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 00000000ffffffff R09: 000055b76faa6580
R10: 0000000000000100 R11: 0000000000000202 R12: 0000000000006180
R13: 0000000000006180 R14: 000055b76fa92510 R15: 000055b76fab6550
task:syz-fuzzer state:R running task stack:24080 pid:5054 ppid:5017 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022
irqentry_exit+0x35/0x80 kernel/entry/common.c:433
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:unwind_get_return_address+0x6e/0xa0 arch/x86/kernel/unwind_orc.c:369
Code: ea 03 80 3c 02 00 75 32 48 8b 7b 48 e8 1b 87 1c 00 85 c0 74 d3 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 <75> 18 48 8b 43 48 5b 5d c3 e8 c4 ae a0 00 eb a8 48 89 ef e8 da ae
RSP: 0018:ffffc90003c2f530 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc90003c2f548 RCX: 0000000000000000
RDX: 1ffff92000785eb2 RSI: 0000000000000001 RDI: ffffffff8a320528
RBP: ffffc90003c2f590 R08: ffffc90003c2f57c R09: ffffffff8f3e39e6
R10: ffffc90003c2f548 R11: 000000000000d024 R12: ffffffff8173dd10
R13: ffffc90003c2f608 R14: 0000000000000000 R15: ffff888027823b80
arch_stack_walk+0x9d/0xf0 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122
save_stack+0x160/0x1f0 mm/page_owner.c:128
__reset_page_owner+0x5a/0x190 mm/page_owner.c:149
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1161 [inline]
free_unref_page_prepare+0x508/0xb90 mm/page_alloc.c:2348
free_unref_page_list+0xe6/0xb30 mm/page_alloc.c:2489
release_pages+0x32a/0x14e0 mm/swap.c:1042
tlb_batch_pages_flush+0x9a/0x190 mm/mmu_gather.c:97
tlb_flush_mmu_free mm/mmu_gather.c:292 [inline]
tlb_flush_mmu mm/mmu_gather.c:299 [inline]
tlb_finish_mmu+0x14b/0x7e0 mm/mmu_gather.c:391
zap_page_range_single+0x389/0x4f0 mm/memory.c:1763
madvise_dontneed_single_vma mm/madvise.c:819 [inline]
madvise_dontneed_free mm/madvise.c:900 [inline]
madvise_vma_behavior+0xbb2/0x1e60 mm/madvise.c:1039
madvise_walk_vmas+0x1cf/0x2c0 mm/madvise.c:1264
do_madvise+0x333/0x660 mm/madvise.c:1444
__do_sys_madvise mm/madvise.c:1457 [inline]
__se_sys_madvise mm/madvise.c:1455 [inline]
__x64_sys_madvise+0xaa/0x110 mm/madvise.c:1455
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x46b677
RSP: 002b:000000c000067e08 EFLAGS: 00000202 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 0000000000018000 RCX: 000000000046b677
RDX: 0000000000000004 RSI: 0000000000018000 RDI: 000000c00d580000
RBP: 000000c000067e48 R08: 0000000000200000 R09: 0000000000001a80
R10: 0000000000001018 R11: 0000000000000202 R12: 000000c000067da8
R13: 0000000000000003 R14: 000000c00bcb21a0 R15: 00000000011c04a0
rcu: rcu_preempt kthread starved for 10515 jiffies! g86125 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:28240 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5381 [inline]
__schedule+0xee1/0x59f0 kernel/sched/core.c:6710
schedule+0xe7/0x1b0 kernel/sched/core.c:6786
schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167
rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1609
rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1808
kthread+0x33a/0x430 kernel/kthread.c:389
ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline]
NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:112
net_ratelimit: 18443 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 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: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 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: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 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: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)
net_ratelimit: 20329 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:1b, 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: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 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: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 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:aa:aa:aa:aa:aa:0c, vlan:0)