IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready ===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 4.19.75 #0 Not tainted ----------------------------------------------------- syz-executor.3/7556 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 000000000b75b8d5 (&fiq->waitq){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000000b75b8d5 (&fiq->waitq){+.+.}, at: aio_poll fs/aio.c:1741 [inline] 000000000b75b8d5 (&fiq->waitq){+.+.}, at: __io_submit_one fs/aio.c:1849 [inline] 000000000b75b8d5 (&fiq->waitq){+.+.}, at: io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 and this task is already holding: 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 which would create a new lock dependency: (&(&ctx->ctx_lock)->rlock){..-.} -> (&fiq->waitq){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 is_last_aligned_frame arch/x86/kernel/unwind_frame.c:143 [inline] is_last_task_frame arch/x86/kernel/unwind_frame.c:170 [inline] unwind_next_frame.part.0+0x3ca/0xa20 arch/x86/kernel/unwind_frame.c:294 unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287 __save_stack_trace+0x83/0x100 arch/x86/kernel/stacktrace.c:44 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc mm/kasan/kasan.c:553 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:531 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x720 mm/slab.c:3666 kmalloc_node include/linux/slab.h:553 [inline] kzalloc_node include/linux/slab.h:720 [inline] __get_vm_area_node+0x12b/0x3a0 mm/vmalloc.c:1393 __vmalloc_node_range+0xc7/0x790 mm/vmalloc.c:1745 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags mm/vmalloc.c:1815 [inline] vzalloc+0x6b/0x90 mm/vmalloc.c:1854 alloc_counters.isra.0+0x53/0x690 net/ipv6/netfilter/ip6_tables.c:819 copy_entries_to_user net/ipv4/netfilter/arp_tables.c:674 [inline] get_entries net/ipv4/netfilter/arp_tables.c:861 [inline] do_arpt_get_ctl+0x4a0/0x820 net/ipv4/netfilter/arp_tables.c:1482 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x7a/0xd0 net/netfilter/nf_sockopt.c:122 ip_getsockopt net/ipv4/ip_sockglue.c:1574 [inline] ip_getsockopt+0x176/0x1d0 net/ipv4/ip_sockglue.c:1554 tcp_getsockopt net/ipv4/tcp.c:3598 [inline] tcp_getsockopt+0x8f/0xe0 net/ipv4/tcp.c:3592 sock_common_getsockopt+0x94/0xd0 net/core/sock.c:3000 __sys_getsockopt+0x15f/0x240 net/socket.c:1938 __do_sys_getsockopt net/socket.c:1949 [inline] __se_sys_getsockopt net/socket.c:1946 [inline] __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1946 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe to a SOFTIRQ-irq-unsafe lock: (&fiq->waitq){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&fiq->waitq); local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&fiq->waitq); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-executor.3/7556: #0: 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] #0: 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] #0: 0000000094c8646e (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} ops: 2 { IN-SOFTIRQ-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 is_last_aligned_frame arch/x86/kernel/unwind_frame.c:143 [inline] is_last_task_frame arch/x86/kernel/unwind_frame.c:170 [inline] unwind_next_frame.part.0+0x3ca/0xa20 arch/x86/kernel/unwind_frame.c:294 unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287 __save_stack_trace+0x83/0x100 arch/x86/kernel/stacktrace.c:44 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc mm/kasan/kasan.c:553 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:531 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x720 mm/slab.c:3666 kmalloc_node include/linux/slab.h:553 [inline] kzalloc_node include/linux/slab.h:720 [inline] __get_vm_area_node+0x12b/0x3a0 mm/vmalloc.c:1393 __vmalloc_node_range+0xc7/0x790 mm/vmalloc.c:1745 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags mm/vmalloc.c:1815 [inline] vzalloc+0x6b/0x90 mm/vmalloc.c:1854 alloc_counters.isra.0+0x53/0x690 net/ipv6/netfilter/ip6_tables.c:819 copy_entries_to_user net/ipv4/netfilter/arp_tables.c:674 [inline] get_entries net/ipv4/netfilter/arp_tables.c:861 [inline] do_arpt_get_ctl+0x4a0/0x820 net/ipv4/netfilter/arp_tables.c:1482 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x7a/0xd0 net/netfilter/nf_sockopt.c:122 ip_getsockopt net/ipv4/ip_sockglue.c:1574 [inline] ip_getsockopt+0x176/0x1d0 net/ipv4/ip_sockglue.c:1554 tcp_getsockopt net/ipv4/tcp.c:3598 [inline] tcp_getsockopt+0x8f/0xe0 net/ipv4/tcp.c:3592 sock_common_getsockopt+0x94/0xd0 net/core/sock.c:3000 __sys_getsockopt+0x15f/0x240 net/socket.c:1938 __do_sys_getsockopt net/socket.c:1949 [inline] __se_sys_getsockopt net/socket.c:1946 [inline] __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1946 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 is_last_aligned_frame arch/x86/kernel/unwind_frame.c:143 [inline] is_last_task_frame arch/x86/kernel/unwind_frame.c:170 [inline] unwind_next_frame.part.0+0x3ca/0xa20 arch/x86/kernel/unwind_frame.c:294 unwind_next_frame+0x3b/0x50 arch/x86/kernel/unwind_frame.c:287 __save_stack_trace+0x83/0x100 arch/x86/kernel/stacktrace.c:44 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc mm/kasan/kasan.c:553 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:531 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:490 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node_trace+0x13c/0x720 mm/slab.c:3666 kmalloc_node include/linux/slab.h:553 [inline] kzalloc_node include/linux/slab.h:720 [inline] __get_vm_area_node+0x12b/0x3a0 mm/vmalloc.c:1393 __vmalloc_node_range+0xc7/0x790 mm/vmalloc.c:1745 __vmalloc_node mm/vmalloc.c:1801 [inline] __vmalloc_node_flags mm/vmalloc.c:1815 [inline] vzalloc+0x6b/0x90 mm/vmalloc.c:1854 alloc_counters.isra.0+0x53/0x690 net/ipv6/netfilter/ip6_tables.c:819 copy_entries_to_user net/ipv4/netfilter/arp_tables.c:674 [inline] get_entries net/ipv4/netfilter/arp_tables.c:861 [inline] do_arpt_get_ctl+0x4a0/0x820 net/ipv4/netfilter/arp_tables.c:1482 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x7a/0xd0 net/netfilter/nf_sockopt.c:122 ip_getsockopt net/ipv4/ip_sockglue.c:1574 [inline] ip_getsockopt+0x176/0x1d0 net/ipv4/ip_sockglue.c:1554 tcp_getsockopt net/ipv4/tcp.c:3598 [inline] tcp_getsockopt+0x8f/0xe0 net/ipv4/tcp.c:3592 sock_common_getsockopt+0x94/0xd0 net/core/sock.c:3000 __sys_getsockopt+0x15f/0x240 net/socket.c:1938 __do_sys_getsockopt net/socket.c:1949 [inline] __se_sys_getsockopt net/socket.c:1946 [inline] __x64_sys_getsockopt+0xbe/0x150 net/socket.c:1946 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.50217+0x0/0x40 ... acquired at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&fiq->waitq){+.+.} ops: 4 { HARDIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 misc_open+0x395/0x4c0 drivers/char/misc.c:141 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 do_dentry_open+0x4c3/0x1210 fs/open.c:796 vfs_open+0xa0/0xd0 fs/open.c:905 do_last fs/namei.c:3418 [inline] path_openat+0x10d7/0x45e0 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1088 __do_sys_openat fs/open.c:1115 [inline] __se_sys_openat fs/open.c:1109 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1109 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.42217+0x0/0x40 ... acquired at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 0 PID: 7556 Comm: syz-executor.3 Not tainted 4.19.75 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_bad_irq_dependency kernel/locking/lockdep.c:1568 [inline] check_usage.cold+0x611/0x946 kernel/locking/lockdep.c:1600 check_irq_usage kernel/locking/lockdep.c:1656 [inline] check_prev_add_irq kernel/locking/lockdep_states.h:8 [inline] check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x1e8c/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] aio_poll fs/aio.c:1741 [inline] __io_submit_one fs/aio.c:1849 [inline] io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 __do_sys_io_submit fs/aio.c:1929 [inline] __se_sys_io_submit fs/aio.c:1900 [inline] __x64_sys_io_submit+0x1aa/0x520 fs/aio.c:1900 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a29 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f6a56c46c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29 RDX: 0000000020000100 RSI: 0000000000000001 RDI: 00007f6a56c26000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a56c476d4 R13: 00000000004c0e1e R14: 00000000004d3fb8 R15: 00000000ffffffff kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' bridge0: port 1(bridge_slave_0) entered blocking state kobject: 'loop0' (000000003e094826): kobject_uevent_env bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready audit: type=1400 audit(1569450251.605:48): avc: denied { map_create } for pid=7559 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 audit: type=1400 audit(1569450251.605:49): avc: denied { map_read map_write } for pid=7559 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: 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 IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' 8021q: adding VLAN 0 to HW filter on device batadv0 kobject: 'vlan0' (0000000034658270): kobject_add_internal: parent: 'mesh', set: '' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env 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): veth1_to_team: link is not ready kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env EXT4-fs (loop4): VFS: Can't find ext4 filesystem IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready kobject: 'loop4' (0000000089d1411a): kobject_uevent_env IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready kobject: 'loop4' (0000000089d1411a): kobject_uevent_env IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready EXT4-fs (loop4): VFS: Can't find ext4 filesystem IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 kobject: 'vlan0' (000000002938dfa7): kobject_add_internal: parent: 'mesh', set: '' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1400 audit(1569450252.275:50): avc: denied { create } for pid=7599 comm="syz-executor.5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 audit: type=1400 audit(1569450252.275:51): avc: denied { setopt } for pid=7599 comm="syz-executor.5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' overlayfs: conflicting lowerdir path kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' overlayfs: workdir and upperdir must reside under the same mount kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop3' (000000002b725965): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: conflicting lowerdir path kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 overlayfs: conflicting lowerdir path overlayfs: fs on './file0' does not support file handles, falling back to index=off,nfs_export=off. kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' cgroup: fork rejected by pids controller in /syz0 kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (000000003e094826): kobject_uevent_env overlayfs: conflicting lowerdir path kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: conflicting lowerdir path kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: conflicting lowerdir path kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000002b725965): kobject_uevent_env kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000002b725965): kobject_uevent_env overlayfs: conflicting lowerdir path kobject: 'loop3' (000000002b725965): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000003e094826): kobject_uevent_env kobject: 'loop0' (000000003e094826): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000fbf072c2): kobject_uevent_env kobject: 'loop2' (00000000fbf072c2): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: conflicting lowerdir path net_ratelimit: 6 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (00000000009d1d6e): kobject_uevent_env kobject: 'loop1' (00000000009d1d6e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000089d1411a): kobject_uevent_env kobject: 'loop4' (0000000089d1411a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009123ad15): kobject_uevent_env kobject: 'loop5' (000000009123ad15): fill_kobj_path: path = '/devices/virtual/block/loop5'