IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
INFO: rcu_sched self-detected stall on CPU
0-...: (10499 ticks this GP) idle=996/140000000000001/0 softirq=9165/9167 fqs=1
(t=10501 jiffies g=366 c=365 q=3)
INFO: rcu_sched detected stalls on CPUs/tasks:
rcu_sched kthread starved for 10500 jiffies! g366 c365 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_sched R running task 29832 9 2 0x80000000
0-...: (10499 ticks this GP) idle=996/140000000000001/0 softirq=9165/9167 fqs=1
Call Trace:
context_switch kernel/sched/core.c:2808 [inline]
__schedule+0x780/0x1d20 kernel/sched/core.c:3384
schedule+0x7f/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x40c/0xcc0 kernel/time/timer.c:1746
rcu_gp_kthread+0xbbf/0x1e00 kernel/rcu/tree.c:2255
kthread+0x338/0x400 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
(detected by 1, t=10502 jiffies, g=366, c=365, q=3)
NMI backtrace for cpu 0
CPU: 0 PID: 7012 Comm: syz-executor.3 Not tainted 4.14.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0xf7/0x13b lib/dump_stack.c:58
nmi_cpu_backtrace.cold.4+0x3e/0x76 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0xe6/0x11a lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline]
rcu_dump_cpu_stacks+0x172/0x1bf kernel/rcu/tree.c:1396
print_cpu_stall kernel/rcu/tree.c:1542 [inline]
check_cpu_stall kernel/rcu/tree.c:1610 [inline]
__rcu_pending kernel/rcu/tree.c:3390 [inline]
rcu_pending kernel/rcu/tree.c:3452 [inline]
rcu_check_callbacks.cold.77+0x415/0xcfa kernel/rcu/tree.c:2792
update_process_times+0x2a/0x60 kernel/time/timer.c:1590
tick_sched_handle+0x7b/0x140 kernel/time/tick-sched.c:165
tick_sched_timer+0x34/0xf0 kernel/time/tick-sched.c:1223
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x297/0xaf0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1ae/0x600 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x11f/0x5d0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x9a/0xa0 arch/x86/entry/entry_64.S:793
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:kfree+0x117/0x270 mm/slab.c:3816
RSP: 0018:ffff88809502f950 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000007 RBX: ffff8880a8218580 RCX: 1ffff1101208a135
RDX: 0000000000000000 RSI: ffff888090450988 RDI: 0000000000000282
RBP: ffff88809502f970 R08: ffff8880904509a8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000282
R13: ffff8880aa8007c0 R14: ffffffff8195287a R15: 0000000000000000
iter_file_splice_write+0x49a/0xc20 fs/splice.c:776
do_splice_from fs/splice.c:851 [inline]
direct_splice_actor+0x104/0x1c0 fs/splice.c:1018
splice_direct_to_actor+0x27c/0x750 fs/splice.c:973
do_splice_direct+0x144/0x250 fs/splice.c:1061
do_sendfile+0x463/0xd00 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1496 [inline]
SyS_sendfile64+0x97/0x110 fs/read_write.c:1488
do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x459599
RSP: 002b:00007fdb80867c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459599
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00007fdb808686d4
R13: 00000000004c6b70 R14: 00000000004dbde8 R15: 00000000ffffffff
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7012 Comm: syz-executor.3 Not tainted 4.14.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888090450100 task.stack: ffff888095028000
RIP: 0010:from_kgid+0x21a/0x3e0 kernel/user_namespace.c:374
RSP: 0018:ffff88809502f0c8 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffff88807dee8870 RCX: ffffed1012a05e1e
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff877603e4
RBP: ffff88809502f178 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000050 R11: ffff888090450100 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88807c63c200 R15: 0000000000000001
FS: 00007fdb80868700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000758080 CR3: 000000008bdb9000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
i_gid_read include/linux/fs.h:1465 [inline]
ext4_do_update_inode fs/ext4/inode.c:5135 [inline]
ext4_mark_iloc_dirty+0x414/0x3320 fs/ext4/inode.c:5769
ext4_mark_inode_dirty+0x1c1/0x7b0 fs/ext4/inode.c:5963
ext4_dirty_inode+0x63/0x90 fs/ext4/inode.c:5994
__mark_inode_dirty+0x542/0xe80 fs/fs-writeback.c:2145
mark_inode_dirty include/linux/fs.h:2020 [inline]
generic_write_end+0x162/0x220 fs/buffer.c:2229
ext4_da_write_end+0x2d6/0xa20 fs/ext4/inode.c:3200
generic_perform_write+0x318/0x450 mm/filemap.c:3058
__generic_file_write_iter+0x201/0x580 mm/filemap.c:3172
ext4_file_write_iter+0x27a/0xe40 fs/ext4/file.c:270
call_write_iter include/linux/fs.h:1778 [inline]
do_iter_readv_writev+0x460/0x900 fs/read_write.c:675
do_iter_write+0x12b/0x520 fs/read_write.c:954
vfs_iter_write+0x5b/0xb0 fs/read_write.c:967
iter_file_splice_write+0x540/0xc20 fs/splice.c:749
do_splice_from fs/splice.c:851 [inline]
direct_splice_actor+0x104/0x1c0 fs/splice.c:1018
splice_direct_to_actor+0x27c/0x750 fs/splice.c:973
do_splice_direct+0x144/0x250 fs/splice.c:1061
do_sendfile+0x463/0xd00 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1496 [inline]
SyS_sendfile64+0x97/0x110 fs/read_write.c:1488
do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x459599
RSP: 002b:00007fdb80867c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459599
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00007fdb808686d4
R13: 00000000004c6b70 R14: 00000000004dbde8 R15: 00000000ffffffff
Code: 84 f6 0f 85 b0 01 00 00 4b 8d 04 64 44 03 6c 82 44 44 89 e8 44 29 c0 48 ba 00 00 00 00 00 fc ff df 48 01 d1 48 c7 01 00 00 00 00 41 08 00 00 00 00 48 81 c4 88 00 00 00 5b 41 5c 41 5d 41 5e
rcu_sched kthread starved for 10500 jiffies! g366 c365 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_sched R running task 29832 9 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2808 [inline]
__schedule+0x780/0x1d20 kernel/sched/core.c:3384
schedule+0x7f/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x40c/0xcc0 kernel/time/timer.c:1746
rcu_gp_kthread+0xbbf/0x1e00 kernel/rcu/tree.c:2255
kthread+0x338/0x400 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: rcu_preempt detected stalls on CPUs/tasks:
(detected by 1, t=10600 jiffies, g=1366, c=1365, q=425)
All QSes seen, last rcu_preempt kthread activity 10600 (4294952709-4294942109), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.4 R running task 27000 7014 6106 0x00000000
Call Trace:
sched_show_task.cold.89+0x2e1/0x342 kernel/sched/core.c:5169
print_other_cpu_stall kernel/rcu/tree.c:1501 [inline]
check_cpu_stall kernel/rcu/tree.c:1616 [inline]
__rcu_pending kernel/rcu/tree.c:3390 [inline]
rcu_pending kernel/rcu/tree.c:3452 [inline]
rcu_check_callbacks.cold.77+0xc96/0xcfa kernel/rcu/tree.c:2792
update_process_times+0x2a/0x60 kernel/time/timer.c:1590
tick_sched_handle+0x7b/0x140 kernel/time/tick-sched.c:165
tick_sched_timer+0x34/0xf0 kernel/time/tick-sched.c:1223
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x297/0xaf0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1ae/0x600 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x11f/0x5d0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x9a/0xa0 arch/x86/entry/entry_64.S:793
RIP: 0010:__find_get_block+0x1e2/0xac0 fs/buffer.c:1355
RSP: 0018:ffff888092c7f0c0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: ffff88807dedf150 RCX: 1ffff11014b615ea
RDX: 1ffffffff0ee2dbb RSI: ffff8880a5b0af30 RDI: ffff8880a5b0af04
RBP: ffff888092c7f118 R08: ffff8880a5b0af50 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000000003fb R14: ffff8880a45c41c0 R15: ffffffff87716dd8
__getblk_gfp+0x24/0x5f0 fs/buffer.c:1379
sb_getblk include/linux/buffer_head.h:333 [inline]
__ext4_get_inode_loc+0x32b/0xe30 fs/ext4/inode.c:4515
ext4_get_inode_loc fs/ext4/inode.c:4628 [inline]
ext4_reserve_inode_write+0xd7/0x220 fs/ext4/inode.c:5788
ext4_mark_inode_dirty+0x12b/0x7b0 fs/ext4/inode.c:5955
ext4_dirty_inode+0x63/0x90 fs/ext4/inode.c:5994
__mark_inode_dirty+0x542/0xe80 fs/fs-writeback.c:2145
mark_inode_dirty include/linux/fs.h:2020 [inline]
generic_write_end+0x162/0x220 fs/buffer.c:2229
ext4_da_write_end+0x2d6/0xa20 fs/ext4/inode.c:3200
generic_perform_write+0x318/0x450 mm/filemap.c:3058
__generic_file_write_iter+0x201/0x580 mm/filemap.c:3172
ext4_file_write_iter+0x27a/0xe40 fs/ext4/file.c:270
call_write_iter include/linux/fs.h:1778 [inline]
do_iter_readv_writev+0x460/0x900 fs/read_write.c:675
do_iter_write+0x12b/0x520 fs/read_write.c:954
vfs_iter_write+0x5b/0xb0 fs/read_write.c:967
iter_file_splice_write+0x540/0xc20 fs/splice.c:749
do_splice_from fs/splice.c:851 [inline]
direct_splice_actor+0x104/0x1c0 fs/splice.c:1018
splice_direct_to_actor+0x27c/0x750 fs/splice.c:973
do_splice_direct+0x144/0x250 fs/splice.c:1061
do_sendfile+0x463/0xd00 fs/read_write.c:1441
SYSC_sendfile64 fs/read_write.c:1496 [inline]
SyS_sendfile64+0x97/0x110 fs/read_write.c:1488
do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x459599
RSP: 002b:00007f9fa1c64c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459599
RDX: 0000000020000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080fffffffe R11: 0000000000000246 R12: 00007f9fa1c656d4
R13: 00000000004c6b70 R14: 00000000004dbde8 R15: 00000000ffffffff
rcu_preempt kthread starved for 10600 jiffies! g1366 c1365 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_preempt R running task 29720 8 2 0x80000000
Call Trace:
context_switch kernel/sched/core.c:2808 [inline]
__schedule+0x780/0x1d20 kernel/sched/core.c:3384
schedule+0x7f/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x40c/0xcc0 kernel/time/timer.c:1746
rcu_gp_kthread+0xbbf/0x1e00 kernel/rcu/tree.c:2255
kthread+0x338/0x400 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404