hfsplus: unable to parse mount options hfsplus: unable to parse mount options hfsplus: unable to parse mount options hfsplus: unable to parse mount options hfsplus: unable to parse mount options INFO: rcu_preempt self-detected stall on CPU 1-...: (10499 ticks this GP) idle=e12/140000000000002/0 softirq=16180/16184 fqs=38 (t=10501 jiffies g=2068 c=2067 q=990) INFO: rcu_preempt detected stalls on CPUs/tasks: rcu_preempt kthread starved for 10426 jiffies! g2068 c2067 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 rcu_preempt R running task 29920 8 2 0x80000000 Tasks blocked on level-0 rcu_node (CPUs 0-1): Call Trace: P7920 schedule+0x8d/0x1b0 kernel/sched/core.c:3428 schedule_timeout+0x43c/0xe40 kernel/time/timer.c:1746 1-...: (10499 ticks this GP) idle=e12/140000000000002/0 softirq=16180/16184 fqs=38 (detected by 0, t=10502 jiffies, g=2068, c=2067, q=990) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7921 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a0de2280 task.stack: ffff888093ad8000 RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:251 [inline] RIP: 0010:check_memory_region+0x16/0x180 mm/kasan/kasan.c:267 RSP: 0018:ffff8880aeb06ab8 EFLAGS: 00000002 RAX: ffff7fffffffffff RBX: dffffc0000000000 RCX: ffffffff863ca613 RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffffffff8a5466ad RBP: ffffffff8a5466ad R08: ffffffff86aaf96a R09: fffffbfff0d55f2e R10: fffffbfff0d55f2d R11: 0000000000000004 R12: 0000000000000002 R13: ffffffff86aaf96b R14: ffff8880aeb06bc0 R15: 0000000000000002 FS: 00007f137a185700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff5c2dbf1c4 CR3: 000000009f6e2000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memcpy+0x35/0x50 mm/kasan/kasan.c:303 memcpy include/linux/string.h:347 [inline] vsnprintf+0x823/0x1350 lib/vsprintf.c:2143 sprintf+0xa7/0xd0 lib/vsprintf.c:2383 print_time kernel/printk/printk.c:1230 [inline] print_prefix+0x32e/0x3a0 kernel/printk/printk.c:1253 msg_print_text+0xae/0x1a0 kernel/printk/printk.c:1280 console_unlock+0x300/0xec0 kernel/printk/printk.c:2374 vprintk_emit kernel/printk/printk.c:1923 [inline] vprintk_emit+0x1f8/0x600 kernel/printk/printk.c:1888 vprintk_func+0x58/0x152 kernel/printk/printk_safe.c:401 printk+0x9e/0xbc kernel/printk/printk.c:1996 printk_stack_address arch/x86/kernel/dumpstack.c:70 [inline] show_trace_log_lvl+0x209/0x281 arch/x86/kernel/dumpstack.c:202 sched_show_task kernel/sched/core.c:5168 [inline] sched_show_task.cold+0x2e3/0x347 kernel/sched/core.c:5143 rcu_check_gp_kthread_starvation+0x28d/0x2d4 kernel/rcu/tree.c:1374 print_cpu_stall kernel/rcu/tree.c:1540 [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+0x488/0xdaa kernel/rcu/tree.c:2792 update_process_times+0x29/0x60 kernel/time/timer.c:1590 tick_sched_handle+0x7d/0x150 kernel/time/tick-sched.c:165 tick_sched_timer+0x3e/0x120 kernel/time/tick-sched.c:1223 __run_hrtimer kernel/time/hrtimer.c:1223 [inline] __hrtimer_run_queues+0x25c/0xbb0 kernel/time/hrtimer.c:1287 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:stack_access_ok+0xae/0x130 arch/x86/kernel/unwind_orc.c:280 RSP: 0018:ffff8880aeb07348 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: ffff8880aeb00000 RCX: 1ffff11015d60e86 RDX: 00000000000000a8 RSI: ffff888093adfd58 RDI: ffff8880aeb07448 RBP: ffff888093adfd58 R08: ffffffff8950cf54 R09: ffff8880aeb07ff8 R10: ffff8880aeb07455 R11: 0000000000058071 R12: ffff8880aeb07420 R13: ffff8880aeb07458 R14: ffff8880aeb07468 R15: 0000000000000002 deref_stack_regs arch/x86/kernel/unwind_orc.c:304 [inline] unwind_next_frame+0xd5a/0x17a0 arch/x86/kernel/unwind_orc.c:437 __save_stack_trace+0x6b/0xd0 arch/x86/kernel/stacktrace.c:44 save_stack+0x32/0xa0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529 __do_kmalloc_node mm/slab.c:3682 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x35/0xd0 net/core/skbuff.c:137 __alloc_skb+0xca/0x4c0 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] __neigh_notify+0x84/0x150 net/core/neighbour.c:2926 neigh_cleanup_and_release+0x71/0xc0 net/core/neighbour.c:106 neigh_del+0x161/0x1f0 net/core/neighbour.c:141 neigh_forced_gc net/core/neighbour.c:190 [inline] neigh_alloc net/core/neighbour.c:315 [inline] __neigh_create+0xc51/0x1980 net/core/neighbour.c:499 ip6_finish_output2+0xa8e/0x2150 net/ipv6/ip6_output.c:117 ip6_finish_output+0x4d9/0xaf0 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x1c9/0x650 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483 ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677 addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3757 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649 __do_softirq+0x254/0x9bf kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x15b/0x1a0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:60 RSP: 0018:ffff888093adfe00 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 0000000080000000 RBX: ffffffff81680850 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 1ffff1101275bfc2 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8880a0de2b00 R11: ffff8880a0de2280 R12: ffff888092acc340 R13: 0000000000002002 R14: 0000000000000000 R15: ffff888092acc3b8 do_fcntl+0x83/0xde0 fs/fcntl.c:327 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xc6/0x100 fs/fcntl.c:448 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c4a9 RSP: 002b:00007f137a184c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 00007f137a1856d4 RCX: 000000000045c4a9 RDX: 0000000000002000 RSI: 0000000000000004 RDI: 0000000000000006 RBP: 000000000076c100 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000000c5 R14: 00000000004c316e R15: 000000000076c10c Code: b6 14 16 84 d2 74 d8 83 e0 07 38 c2 40 0f 9e c6 eb c8 0f 1f 00 48 85 f6 0f 84 55 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 0f b6 d2 <48> 39 c7 0f 86 f9 00 00 00 4c 8d 5c 37 ff 41 54 48 b8 00 00 00 blkid R rcu_gp_kthread+0xb8e/0x1ce0 kernel/rcu/tree.c:2255 running task 29136 7920 7470 0x00000000 Call Trace: kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3611 retint_kernel+0x1b/0x2d RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xe/0x50 kernel/kcov.c:65 RSP: 0000:ffff888092e8f790 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: ffff8880a0d145c0 RBX: 00007ff5c2a51ac0 RCX: 1ffffffff0f417ad RDX: 0000000000000000 RSI: ffffffff86e453c0 RDI: 00007ff5c2a51ac0 RBP: 00007ff5c2a51ac0 R08: 0000000000000000 R09: 0000000000020012 R10: ffff8880a0d14e68 R11: ffff8880a0d145c0 R12: dffffc0000000000 R13: 0000000000000000 R14: 00007ff5c2a51ac0 R15: ffff8880999ee35f __read_once_size include/linux/compiler.h:183 [inline] raw_read_seqcount_latch include/linux/seqlock.h:281 [inline] latch_tree_find include/linux/rbtree_latch.h:206 [inline] bpf_prog_kallsyms_find kernel/bpf/core.c:422 [inline] bpf_prog_kallsyms_find+0x6e/0x260 kernel/bpf/core.c:415 is_bpf_text_address+0x5e/0x120 kernel/bpf/core.c:457 kernel_text_address+0x6e/0xe0 kernel/extable.c:150 __kernel_text_address+0x9/0x30 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:255 [inline] unwind_get_return_address+0x5a/0xa0 arch/x86/kernel/unwind_orc.c:250 __save_stack_trace+0x7b/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack+0x32/0xa0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529 kmem_cache_alloc+0x127/0x770 mm/slab.c:3552 anon_vma_alloc mm/rmap.c:82 [inline] __anon_vma_prepare+0x19b/0x370 mm/rmap.c:190 anon_vma_prepare include/linux/rmap.h:153 [inline] wp_page_copy+0xd07/0x1300 mm/memory.c:2493 do_wp_page+0x244/0x11d0 mm/memory.c:2784 handle_pte_fault mm/memory.c:4005 [inline] __handle_mm_fault+0x1c0e/0x3280 mm/memory.c:4113 handle_mm_fault+0x288/0x7a0 mm/memory.c:4150 __do_page_fault+0x4bc/0xb40 arch/x86/mm/fault.c:1420 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1122 RIP: c2dba038:0x7ff5c2a51ac0 RSP: 756e6547:00007ffd238351a0 EFLAGS: 7ff5c2a33000 blkid R running task 29136 7920 7470 0x00000000 Call Trace: preempt_schedule_irq+0xb0/0x140 kernel/sched/core.c:3611 retint_kernel+0x1b/0x2d RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xe/0x50 kernel/kcov.c:65 RSP: 0000:ffff888092e8f790 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: ffff8880a0d145c0 RBX: 00007ff5c2a51ac0 RCX: 1ffffffff0f417ad RDX: 0000000000000000 RSI: ffffffff86e453c0 RDI: 00007ff5c2a51ac0 RBP: 00007ff5c2a51ac0 R08: 0000000000000000 R09: 0000000000020012 R10: ffff8880a0d14e68 R11: ffff8880a0d145c0 R12: dffffc0000000000 R13: 0000000000000000 R14: 00007ff5c2a51ac0 R15: ffff8880999ee35f __read_once_size include/linux/compiler.h:183 [inline] raw_read_seqcount_latch include/linux/seqlock.h:281 [inline] latch_tree_find include/linux/rbtree_latch.h:206 [inline] bpf_prog_kallsyms_find kernel/bpf/core.c:422 [inline] bpf_prog_kallsyms_find+0x6e/0x260 kernel/bpf/core.c:415 is_bpf_text_address+0x5e/0x120 kernel/bpf/core.c:457 kernel_text_address+0x6e/0xe0 kernel/extable.c:150 __kernel_text_address+0x9/0x30 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:255 [inline] unwind_get_return_address+0x5a/0xa0 arch/x86/kernel/unwind_orc.c:250 __save_stack_trace+0x7b/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack+0x32/0xa0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529 kmem_cache_alloc+0x127/0x770 mm/slab.c:3552 anon_vma_alloc mm/rmap.c:82 [inline] __anon_vma_prepare+0x19b/0x370 mm/rmap.c:190 anon_vma_prepare include/linux/rmap.h:153 [inline] wp_page_copy+0xd07/0x1300 mm/memory.c:2493 do_wp_page+0x244/0x11d0 mm/memory.c:2784 handle_pte_fault mm/memory.c:4005 [inline] __handle_mm_fault+0x1c0e/0x3280 mm/memory.c:4113 handle_mm_fault+0x288/0x7a0 mm/memory.c:4150 __do_page_fault+0x4bc/0xb40 arch/x86/mm/fault.c:1420 page_fault+0x45/0x50 arch/x86/entry/entry_64.S:1122 RIP: c2dba038:0x7ff5c2a51ac0 RSP: 756e6547:00007ffd238351a0 EFLAGS: 7ff5c2a33000 rcu_preempt kthread starved for 10426 jiffies! g2068 c2067 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 NMI backtrace for cpu 1 CPU: 1 PID: 7921 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 rcu_preempt R Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: running task 29920 8 2 0x80000000 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x13e/0x194 lib/dump_stack.c:58 Call Trace: nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x139/0x17e lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:158 [inline] rcu_dump_cpu_stacks+0x16d/0x1b8 kernel/rcu/tree.c:1396 schedule+0x8d/0x1b0 kernel/sched/core.c:3428 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+0x490/0xdaa kernel/rcu/tree.c:2792 schedule_timeout+0x43c/0xe40 kernel/time/timer.c:1746 update_process_times+0x29/0x60 kernel/time/timer.c:1590 tick_sched_handle+0x7d/0x150 kernel/time/tick-sched.c:165 tick_sched_timer+0x3e/0x120 kernel/time/tick-sched.c:1223 __run_hrtimer kernel/time/hrtimer.c:1223 [inline] __hrtimer_run_queues+0x25c/0xbb0 kernel/time/hrtimer.c:1287 rcu_gp_kthread+0xb8e/0x1ce0 kernel/rcu/tree.c:2255 hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321 kthread+0x30d/0x420 kernel/kthread.c:232 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 RIP: 0010:stack_access_ok+0xae/0x130 arch/x86/kernel/unwind_orc.c:280 RSP: 0018:ffff8880aeb07348 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: ffff8880aeb00000 RCX: 1ffff11015d60e86 RDX: 00000000000000a8 RSI: ffff888093adfd58 RDI: ffff8880aeb07448 RBP: ffff888093adfd58 R08: ffffffff8950cf54 R09: ffff8880aeb07ff8 R10: ffff8880aeb07455 R11: 0000000000058071 R12: ffff8880aeb07420 R13: ffff8880aeb07458 R14: ffff8880aeb07468 R15: 0000000000000002 deref_stack_regs arch/x86/kernel/unwind_orc.c:304 [inline] unwind_next_frame+0xd5a/0x17a0 arch/x86/kernel/unwind_orc.c:437 __save_stack_trace+0x6b/0xd0 arch/x86/kernel/stacktrace.c:44 save_stack+0x32/0xa0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529 __do_kmalloc_node mm/slab.c:3682 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.0+0x35/0xd0 net/core/skbuff.c:137 __alloc_skb+0xca/0x4c0 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:980 [inline] nlmsg_new include/net/netlink.h:511 [inline] __neigh_notify+0x84/0x150 net/core/neighbour.c:2926 neigh_cleanup_and_release+0x71/0xc0 net/core/neighbour.c:106 neigh_del+0x161/0x1f0 net/core/neighbour.c:141 neigh_forced_gc net/core/neighbour.c:190 [inline] neigh_alloc net/core/neighbour.c:315 [inline] __neigh_create+0xc51/0x1980 net/core/neighbour.c:499 ip6_finish_output2+0xa8e/0x2150 net/ipv6/ip6_output.c:117 ip6_finish_output+0x4d9/0xaf0 net/ipv6/ip6_output.c:154 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x1c9/0x650 net/ipv6/ip6_output.c:171 dst_output include/net/dst.h:462 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0xb56/0x11e0 net/ipv6/ndisc.c:483 ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677 addrconf_rs_timer+0x289/0x5a0 net/ipv6/addrconf.c:3757 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649 __do_softirq+0x254/0x9bf kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x15b/0x1a0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:60 RSP: 0018:ffff888093adfe00 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 0000000080000000 RBX: ffffffff81680850 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 1ffff1101275bfc2 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8880a0de2b00 R11: ffff8880a0de2280 R12: ffff888092acc340 R13: 0000000000002002 R14: 0000000000000000 R15: ffff888092acc3b8 do_fcntl+0x83/0xde0 fs/fcntl.c:327 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xc6/0x100 fs/fcntl.c:448 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c4a9 RSP: 002b:00007f137a184c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 00007f137a1856d4 RCX: 000000000045c4a9 RDX: 0000000000002000 RSI: 0000000000000004 RDI: 0000000000000006 RBP: 000000000076c100 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000000c5 R14: 00000000004c316e R15: 000000000076c10c INFO: rcu_sched detected stalls on CPUs/tasks: 1-...: (10500 ticks this GP) idle=e12/140000000000001/0 softirq=16180/16184 fqs=38 (detected by 0, t=10502 jiffies, g=1375, c=1374, q=16) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7921 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a0de2280 task.stack: ffff888093ad8000 RIP: 0010:debug_lockdep_rcu_enabled kernel/rcu/update.c:299 [inline] RIP: 0010:rcu_read_lock_sched_held+0x23/0x130 kernel/rcu/update.c:109 RSP: 0018:ffff8880aeb07c18 EFLAGS: 00000002 RAX: 0000000000000007 RBX: 000000010000d385 RCX: 1ffffffff1124420 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a0de2afc RBP: ffff8880820c8bf8 R08: 0000000000000001 R09: 0000000000000003 R10: 0000000000000086 R11: ffff8880a0de2280 R12: 0000000000000001 R13: ffff8880820c8c20 R14: 0000000000000000 R15: ffff8880aeb239c0 FS: 00007f137a185700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff5c2dbf1c4 CR3: 000000009f6e2000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_timer_start include/trace/events/timer.h:52 [inline] debug_activate kernel/time/timer.c:744 [inline] __mod_timer kernel/time/timer.c:1008 [inline] mod_timer+0x935/0xe70 kernel/time/timer.c:1069 addrconf_rs_timer+0x3fc/0x5a0 net/ipv6/addrconf.c:3766 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649 __do_softirq+0x254/0x9bf kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x15b/0x1a0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:60 RSP: 0018:ffff888093adfe00 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff10 RAX: 0000000080000000 RBX: ffffffff81680850 RCX: 0000000000000000 RDX: 0000000000000004 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 1ffff1101275bfc2 R08: 0000000000000001 R09: 0000000000000000 R10: ffff8880a0de2b00 R11: ffff8880a0de2280 R12: ffff888092acc340 R13: 0000000000002002 R14: 0000000000000000 R15: ffff888092acc3b8 do_fcntl+0x83/0xde0 fs/fcntl.c:327 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xc6/0x100 fs/fcntl.c:448 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c4a9 RSP: 002b:00007f137a184c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 00007f137a1856d4 RCX: 000000000045c4a9 RDX: 0000000000002000 RSI: 0000000000000004 RDI: 0000000000000006 RBP: 000000000076c100 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000000c5 R14: 00000000004c316e R15: 000000000076c10c Code: 0f 1f 84 00 00 00 00 00 48 c7 c0 04 21 92 88 53 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 <38> d0 7c 08 84 d2 0f 85 ac 00 00 00 8b 0d 8f 2b 47 07 85 c9 74 rcu_sched kthread starved for 10426 jiffies! g1375 c1374 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 rcu_sched R running task 29984 9 2 0x80000000 Call Trace: schedule+0x8d/0x1b0 kernel/sched/core.c:3428 schedule_timeout+0x43c/0xe40 kernel/time/timer.c:1746 rcu_gp_kthread+0xb8e/0x1ce0 kernel/rcu/tree.c:2255 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 hfsplus: unable to parse mount options hfsplus: unable to parse mount options hfsplus: unable to parse mount options IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_1 as an active interface with an up link bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPVS: ftp: loaded support on port[0] = 21 batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found chnl_net:caif_netlink_parms(): no params data found IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_1 as an active interface with an up link bond0: Enslaving bond_slave_0 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active 8021q: adding VLAN 0 to HW filter on device bond0 batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode chnl_net:caif_netlink_parms(): no params data found batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bond0: Enslaving bond_slave_0 as an active interface with an up link device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready 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_CHANGE): veth0_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode