================================ WARNING: inconsistent lock state 4.17.0-rc2+ #22 Not tainted -------------------------------- inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. blkid/9633 [HC1[1]:SC1[1]:HE0:SE0] takes: (ptrval) (fs_reclaim){?.+.}, at: fs_reclaim_acquire.part.82+0x0/0x30 mm/page_alloc.c:463 {HARDIRQ-ON-W} state was registered at: lock_acquire+0x1dc/0x520 kernel/locking/lockdep.c:3920 fs_reclaim_acquire.part.82+0x24/0x30 mm/page_alloc.c:3739 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3740 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x39/0x770 mm/slab.c:3661 kmalloc_node include/linux/slab.h:550 [inline] kzalloc_node include/linux/slab.h:712 [inline] alloc_worker+0xbd/0x2e0 kernel/workqueue.c:1704 init_rescuer.part.25+0x1f/0x190 kernel/workqueue.c:4000 init_rescuer kernel/workqueue.c:3997 [inline] workqueue_init+0x51f/0x7d0 kernel/workqueue.c:5732 kernel_init_freeable+0x2ad/0x58e init/main.c:1115 kernel_init+0x11/0x1b3 init/main.c:1053 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:412 irq event stamp: 2093 hardirqs last enabled at (2092): [] slab_alloc_node mm/slab.c:3329 [inline] hardirqs last enabled at (2092): [] kmem_cache_alloc_node_trace+0x22f/0x770 mm/slab.c:3661 hardirqs last disabled at (2093): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (1676): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (1825): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (1825): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(fs_reclaim); lock(fs_reclaim); *** DEADLOCK *** 4 locks held by blkid/9633: #0: (ptrval) (&mm->mmap_sem){++++}, at: vm_mmap_pgoff+0x1a1/0x2a0 mm/util.c:355 #1: (ptrval) (rcu_read_lock){....}, at: arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline] #1: (ptrval) (rcu_read_lock){....}, at: static_key_false include/linux/jump_label.h:142 [inline] #1: (ptrval) (rcu_read_lock){....}, at: netif_receive_skb_internal+0xa2/0x7b0 net/core/dev.c:4716 #2: (ptrval) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #2: (ptrval) (rcu_read_lock){....}, at: ip_local_deliver_finish+0x192/0xd80 net/ipv4/ip_input.c:193 #3: (ptrval) (slock-AF_INET/1){+.-.}, at: tcp_v4_rcv+0x2b2d/0x38c0 net/ipv4/tcp_ipv4.c:1761 stack backtrace: CPU: 0 PID: 9633 Comm: blkid Not tainted 4.17.0-rc2+ #22 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+0x1b9/0x294 lib/dump_stack.c:113 print_usage_bug.cold.59+0x320/0x41a kernel/locking/lockdep.c:2542 valid_state kernel/locking/lockdep.c:2555 [inline] mark_lock_irq kernel/locking/lockdep.c:2749 [inline] mark_lock+0x1034/0x19e0 kernel/locking/lockdep.c:3147 mark_irqflags kernel/locking/lockdep.c:3022 [inline] __lock_acquire+0x1595/0x5140 kernel/locking/lockdep.c:3388 lock_acquire+0x1dc/0x520 kernel/locking/lockdep.c:3920 fs_reclaim_acquire.part.82+0x24/0x30 mm/page_alloc.c:3739 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3740 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x45/0x760 mm/slab.c:3727 kmalloc_array include/linux/slab.h:631 [inline] kcalloc include/linux/slab.h:642 [inline] numa_crng_init drivers/char/random.c:798 [inline] crng_reseed+0x427/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:__module_address+0x6a/0x700 kernel/module.c:4298 RSP: 0018:ffff8801dae058a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffd9 RAX: ffffed003b5c0b1a RBX: 0000000000000000 RCX: 1ffff1003b5c0b3d RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffff8801dae05a18 R08: ffffed003b5c46c3 R09: ffffed003b5c46c2 R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: dffffc0000000000 R13: 1ffff1003b5c0b1a R14: ffff8801ae37a180 R15: ffff8801ae550b7f __module_text_address+0x13/0x150 kernel/module.c:4344 is_module_text_address+0x10/0x20 kernel/module.c:4329 kernel_text_address+0x6d/0xf0 kernel/extable.c:146 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x7e/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 kmem_cache_alloc_node_trace+0x150/0x770 mm/slab.c:3663 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.38+0x3a/0xe0 net/core/skbuff.c:137 __alloc_skb+0x14d/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:989 [inline] tcp_send_ack+0x11d/0x690 net/ipv4/tcp_output.c:3599 __tcp_ack_snd_check+0x1cf/0x650 net/ipv4/tcp_input.c:5069 tcp_ack_snd_check net/ipv4/tcp_input.c:5082 [inline] tcp_rcv_established+0x8bb/0x2010 net/ipv4/tcp_input.c:5498 tcp_v4_do_rcv+0x615/0x8c0 net/ipv4/tcp_ipv4.c:1477 tcp_v4_rcv+0x2d67/0x38c0 net/ipv4/tcp_ipv4.c:1765 ip_local_deliver_finish+0x2e3/0xd80 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:288 [inline] ip_local_deliver+0x1e1/0x720 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x81b/0x2200 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0x9fe/0x125c net/ipv4/ip_input.c:492 __netif_receive_skb_core+0x26f5/0x3630 net/core/dev.c:4603 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:4668 netif_receive_skb_internal+0x126/0x7b0 net/core/dev.c:4742 napi_skb_finish net/core/dev.c:5104 [inline] napi_gro_receive+0x44d/0x5a0 net/core/dev.c:5135 receive_buf+0xc64/0x2b90 drivers/net/virtio_net.c:959 virtnet_receive drivers/net/virtio_net.c:1214 [inline] virtnet_poll+0x3c8/0xdb5 drivers/net/virtio_net.c:1296 napi_poll net/core/dev.c:5746 [inline] net_rx_action+0x7b7/0x1930 net/core/dev.c:5812 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1d1/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:525 [inline] do_IRQ+0xf1/0x190 arch/x86/kernel/irq.c:257 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:count_vm_event include/linux/vmstat.h:62 [inline] RIP: 0010:vmacache_find+0x45/0x2e0 mm/vmacache.c:92 RSP: 0018:ffff88019d4ff870 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffd9 RAX: dffffc0000000000 RBX: ffff8801ae37a180 RCX: ffffffff81aa5ec2 RDX: 1ffff10035c6f4ac RSI: ffffffff81a5a2c5 RDI: ffff8801ae37a560 RBP: ffff88019d4ff8a0 R08: ffff8801ae37a180 R09: ffff88019d4ffcb8 R10: ffff8801ae37a9b8 R11: ffff88019d4ffc78 R12: 00007f9c1028e000 R13: 00007f9c1028e000 R14: 00007f9c1028e000 R15: ffff8801ae129340 find_vma+0x27/0x190 mm/mmap.c:2155 do_munmap+0x1bb/0xf90 mm/mmap.c:2667 mmap_region+0x658/0x1820 mm/mmap.c:1664 do_mmap+0xc79/0x11d0 mm/mmap.c:1494 do_mmap_pgoff include/linux/mm.h:2237 [inline] vm_mmap_pgoff+0x1fb/0x2a0 mm/util.c:357 ksys_mmap_pgoff+0x4c9/0x640 mm/mmap.c:1544 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9c104d53ea RSP: 002b:00007fff1dfaf848 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f9c106dd9a8 RCX: 00007f9c104d53ea RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007f9c1028e000 RBP: 00007fff1dfafba0 R08: 0000000000000003 R09: 0000000000183000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007fff1dfafc88 R13: 0000000000000002 R14: 00007fff1dfaf8c0 R15: 00007fff1dfaf890 BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 1, pid: 9633, name: blkid INFO: lockdep is turned off. irq event stamp: 2093 hardirqs last enabled at (2092): [] slab_alloc_node mm/slab.c:3329 [inline] hardirqs last enabled at (2092): [] kmem_cache_alloc_node_trace+0x22f/0x770 mm/slab.c:3661 hardirqs last disabled at (2093): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (1676): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (1825): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (1825): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 0 PID: 9633 Comm: blkid Not tainted 4.17.0-rc2+ #22 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+0x1b9/0x294 lib/dump_stack.c:113 ___might_sleep.cold.87+0x11f/0x13a kernel/sched/core.c:6188 __might_sleep+0x95/0x190 kernel/sched/core.c:6141 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2b9/0x760 mm/slab.c:3727 kmalloc_array include/linux/slab.h:631 [inline] kcalloc include/linux/slab.h:642 [inline] numa_crng_init drivers/char/random.c:798 [inline] crng_reseed+0x427/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:__module_address+0x6a/0x700 kernel/module.c:4298 RSP: 0018:ffff8801dae058a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffd9 RAX: ffffed003b5c0b1a RBX: 0000000000000000 RCX: 1ffff1003b5c0b3d RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffff8801dae05a18 R08: ffffed003b5c46c3 R09: ffffed003b5c46c2 R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: dffffc0000000000 R13: 1ffff1003b5c0b1a R14: ffff8801ae37a180 R15: ffff8801ae550b7f __module_text_address+0x13/0x150 kernel/module.c:4344 is_module_text_address+0x10/0x20 kernel/module.c:4329 kernel_text_address+0x6d/0xf0 kernel/extable.c:146 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x7e/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 kmem_cache_alloc_node_trace+0x150/0x770 mm/slab.c:3663 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.38+0x3a/0xe0 net/core/skbuff.c:137 __alloc_skb+0x14d/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:989 [inline] tcp_send_ack+0x11d/0x690 net/ipv4/tcp_output.c:3599 __tcp_ack_snd_check+0x1cf/0x650 net/ipv4/tcp_input.c:5069 tcp_ack_snd_check net/ipv4/tcp_input.c:5082 [inline] tcp_rcv_established+0x8bb/0x2010 net/ipv4/tcp_input.c:5498 tcp_v4_do_rcv+0x615/0x8c0 net/ipv4/tcp_ipv4.c:1477 tcp_v4_rcv+0x2d67/0x38c0 net/ipv4/tcp_ipv4.c:1765 ip_local_deliver_finish+0x2e3/0xd80 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:288 [inline] ip_local_deliver+0x1e1/0x720 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x81b/0x2200 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0x9fe/0x125c net/ipv4/ip_input.c:492 __netif_receive_skb_core+0x26f5/0x3630 net/core/dev.c:4603 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:4668 netif_receive_skb_internal+0x126/0x7b0 net/core/dev.c:4742 napi_skb_finish net/core/dev.c:5104 [inline] napi_gro_receive+0x44d/0x5a0 net/core/dev.c:5135 receive_buf+0xc64/0x2b90 drivers/net/virtio_net.c:959 virtnet_receive drivers/net/virtio_net.c:1214 [inline] virtnet_poll+0x3c8/0xdb5 drivers/net/virtio_net.c:1296 napi_poll net/core/dev.c:5746 [inline] net_rx_action+0x7b7/0x1930 net/core/dev.c:5812 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1d1/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:525 [inline] do_IRQ+0xf1/0x190 arch/x86/kernel/irq.c:257 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:count_vm_event include/linux/vmstat.h:62 [inline] RIP: 0010:vmacache_find+0x45/0x2e0 mm/vmacache.c:92 RSP: 0018:ffff88019d4ff870 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffd9 RAX: dffffc0000000000 RBX: ffff8801ae37a180 RCX: ffffffff81aa5ec2 RDX: 1ffff10035c6f4ac RSI: ffffffff81a5a2c5 RDI: ffff8801ae37a560 RBP: ffff88019d4ff8a0 R08: ffff8801ae37a180 R09: ffff88019d4ffcb8 R10: ffff8801ae37a9b8 R11: ffff88019d4ffc78 R12: 00007f9c1028e000 R13: 00007f9c1028e000 R14: 00007f9c1028e000 R15: ffff8801ae129340 find_vma+0x27/0x190 mm/mmap.c:2155 do_munmap+0x1bb/0xf90 mm/mmap.c:2667 mmap_region+0x658/0x1820 mm/mmap.c:1664 do_mmap+0xc79/0x11d0 mm/mmap.c:1494 do_mmap_pgoff include/linux/mm.h:2237 [inline] vm_mmap_pgoff+0x1fb/0x2a0 mm/util.c:357 ksys_mmap_pgoff+0x4c9/0x640 mm/mmap.c:1544 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9c104d53ea RSP: 002b:00007fff1dfaf848 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f9c106dd9a8 RCX: 00007f9c104d53ea RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007f9c1028e000 RBP: 00007fff1dfafba0 R08: 0000000000000003 R09: 0000000000183000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007fff1dfafc88 R13: 0000000000000002 R14: 00007fff1dfaf8c0 R15: 00007fff1dfaf890 BUG: sleeping function called from invalid context at mm/slab.c:3067 in_atomic(): 1, irqs_disabled(): 1, pid: 9633, name: blkid INFO: lockdep is turned off. irq event stamp: 2093 hardirqs last enabled at (2092): [] slab_alloc_node mm/slab.c:3329 [inline] hardirqs last enabled at (2092): [] kmem_cache_alloc_node_trace+0x22f/0x770 mm/slab.c:3661 hardirqs last disabled at (2093): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (1676): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (1825): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (1825): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 0 PID: 9633 Comm: blkid Tainted: G W 4.17.0-rc2+ #22 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+0x1b9/0x294 lib/dump_stack.c:113 ___might_sleep.cold.87+0x11f/0x13a kernel/sched/core.c:6188 __might_sleep+0x95/0x190 kernel/sched/core.c:6141 cache_alloc_debugcheck_before mm/slab.c:3067 [inline] slab_alloc mm/slab.c:3382 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2f8/0x760 mm/slab.c:3727 kmalloc_array include/linux/slab.h:631 [inline] kcalloc include/linux/slab.h:642 [inline] numa_crng_init drivers/char/random.c:798 [inline] crng_reseed+0x427/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:__module_address+0x6a/0x700 kernel/module.c:4298 RSP: 0018:ffff8801dae058a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffd9 RAX: ffffed003b5c0b1a RBX: 0000000000000000 RCX: 1ffff1003b5c0b3d RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffff8801dae05a18 R08: ffffed003b5c46c3 R09: ffffed003b5c46c2 R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: dffffc0000000000 R13: 1ffff1003b5c0b1a R14: ffff8801ae37a180 R15: ffff8801ae550b7f __module_text_address+0x13/0x150 kernel/module.c:4344 is_module_text_address+0x10/0x20 kernel/module.c:4329 kernel_text_address+0x6d/0xf0 kernel/extable.c:146 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x7e/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 kmem_cache_alloc_node_trace+0x150/0x770 mm/slab.c:3663 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.38+0x3a/0xe0 net/core/skbuff.c:137 __alloc_skb+0x14d/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:989 [inline] tcp_send_ack+0x11d/0x690 net/ipv4/tcp_output.c:3599 __tcp_ack_snd_check+0x1cf/0x650 net/ipv4/tcp_input.c:5069 tcp_ack_snd_check net/ipv4/tcp_input.c:5082 [inline] tcp_rcv_established+0x8bb/0x2010 net/ipv4/tcp_input.c:5498 tcp_v4_do_rcv+0x615/0x8c0 net/ipv4/tcp_ipv4.c:1477 tcp_v4_rcv+0x2d67/0x38c0 net/ipv4/tcp_ipv4.c:1765 ip_local_deliver_finish+0x2e3/0xd80 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:288 [inline] ip_local_deliver+0x1e1/0x720 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x81b/0x2200 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0x9fe/0x125c net/ipv4/ip_input.c:492 __netif_receive_skb_core+0x26f5/0x3630 net/core/dev.c:4603 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:4668 netif_receive_skb_internal+0x126/0x7b0 net/core/dev.c:4742 napi_skb_finish net/core/dev.c:5104 [inline] napi_gro_receive+0x44d/0x5a0 net/core/dev.c:5135 receive_buf+0xc64/0x2b90 drivers/net/virtio_net.c:959 virtnet_receive drivers/net/virtio_net.c:1214 [inline] virtnet_poll+0x3c8/0xdb5 drivers/net/virtio_net.c:1296 napi_poll net/core/dev.c:5746 [inline] net_rx_action+0x7b7/0x1930 net/core/dev.c:5812 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1d1/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:525 [inline] do_IRQ+0xf1/0x190 arch/x86/kernel/irq.c:257 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:count_vm_event include/linux/vmstat.h:62 [inline] RIP: 0010:vmacache_find+0x45/0x2e0 mm/vmacache.c:92 RSP: 0018:ffff88019d4ff870 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffd9 RAX: dffffc0000000000 RBX: ffff8801ae37a180 RCX: ffffffff81aa5ec2 RDX: 1ffff10035c6f4ac RSI: ffffffff81a5a2c5 RDI: ffff8801ae37a560 RBP: ffff88019d4ff8a0 R08: ffff8801ae37a180 R09: ffff88019d4ffcb8 R10: ffff8801ae37a9b8 R11: ffff88019d4ffc78 R12: 00007f9c1028e000 R13: 00007f9c1028e000 R14: 00007f9c1028e000 R15: ffff8801ae129340 find_vma+0x27/0x190 mm/mmap.c:2155 do_munmap+0x1bb/0xf90 mm/mmap.c:2667 mmap_region+0x658/0x1820 mm/mmap.c:1664 do_mmap+0xc79/0x11d0 mm/mmap.c:1494 do_mmap_pgoff include/linux/mm.h:2237 [inline] vm_mmap_pgoff+0x1fb/0x2a0 mm/util.c:357 ksys_mmap_pgoff+0x4c9/0x640 mm/mmap.c:1544 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9c104d53ea RSP: 002b:00007fff1dfaf848 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f9c106dd9a8 RCX: 00007f9c104d53ea RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007f9c1028e000 RBP: 00007fff1dfafba0 R08: 0000000000000003 R09: 0000000000183000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007fff1dfafc88 R13: 0000000000000002 R14: 00007fff1dfaf8c0 R15: 00007fff1dfaf890 BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 1, pid: 9633, name: blkid INFO: lockdep is turned off. irq event stamp: 2093 hardirqs last enabled at (2092): [] slab_alloc_node mm/slab.c:3329 [inline] hardirqs last enabled at (2092): [] kmem_cache_alloc_node_trace+0x22f/0x770 mm/slab.c:3661 hardirqs last disabled at (2093): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (1676): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (1825): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (1825): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 0 PID: 9633 Comm: blkid Tainted: G W 4.17.0-rc2+ #22 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+0x1b9/0x294 lib/dump_stack.c:113 ___might_sleep.cold.87+0x11f/0x13a kernel/sched/core.c:6188 __might_sleep+0x95/0x190 kernel/sched/core.c:6141 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3299 [inline] kmem_cache_alloc_node_trace+0x260/0x770 mm/slab.c:3661 kmalloc_node include/linux/slab.h:550 [inline] numa_crng_init drivers/char/random.c:800 [inline] crng_reseed+0x49f/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:__module_address+0x6a/0x700 kernel/module.c:4298 RSP: 0018:ffff8801dae058a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffd9 RAX: ffffed003b5c0b1a RBX: 0000000000000000 RCX: 1ffff1003b5c0b3d RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffff8801dae05a18 R08: ffffed003b5c46c3 R09: ffffed003b5c46c2 R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: dffffc0000000000 R13: 1ffff1003b5c0b1a R14: ffff8801ae37a180 R15: ffff8801ae550b7f __module_text_address+0x13/0x150 kernel/module.c:4344 is_module_text_address+0x10/0x20 kernel/module.c:4329 kernel_text_address+0x6d/0xf0 kernel/extable.c:146 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x7e/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 kmem_cache_alloc_node_trace+0x150/0x770 mm/slab.c:3663 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.38+0x3a/0xe0 net/core/skbuff.c:137 __alloc_skb+0x14d/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:989 [inline] tcp_send_ack+0x11d/0x690 net/ipv4/tcp_output.c:3599 __tcp_ack_snd_check+0x1cf/0x650 net/ipv4/tcp_input.c:5069 tcp_ack_snd_check net/ipv4/tcp_input.c:5082 [inline] tcp_rcv_established+0x8bb/0x2010 net/ipv4/tcp_input.c:5498 tcp_v4_do_rcv+0x615/0x8c0 net/ipv4/tcp_ipv4.c:1477 tcp_v4_rcv+0x2d67/0x38c0 net/ipv4/tcp_ipv4.c:1765 ip_local_deliver_finish+0x2e3/0xd80 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:288 [inline] ip_local_deliver+0x1e1/0x720 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x81b/0x2200 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0x9fe/0x125c net/ipv4/ip_input.c:492 __netif_receive_skb_core+0x26f5/0x3630 net/core/dev.c:4603 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:4668 netif_receive_skb_internal+0x126/0x7b0 net/core/dev.c:4742 napi_skb_finish net/core/dev.c:5104 [inline] napi_gro_receive+0x44d/0x5a0 net/core/dev.c:5135 receive_buf+0xc64/0x2b90 drivers/net/virtio_net.c:959 virtnet_receive drivers/net/virtio_net.c:1214 [inline] virtnet_poll+0x3c8/0xdb5 drivers/net/virtio_net.c:1296 napi_poll net/core/dev.c:5746 [inline] net_rx_action+0x7b7/0x1930 net/core/dev.c:5812 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1d1/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:525 [inline] do_IRQ+0xf1/0x190 arch/x86/kernel/irq.c:257 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:count_vm_event include/linux/vmstat.h:62 [inline] RIP: 0010:vmacache_find+0x45/0x2e0 mm/vmacache.c:92 RSP: 0018:ffff88019d4ff870 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffd9 RAX: dffffc0000000000 RBX: ffff8801ae37a180 RCX: ffffffff81aa5ec2 RDX: 1ffff10035c6f4ac RSI: ffffffff81a5a2c5 RDI: ffff8801ae37a560 RBP: ffff88019d4ff8a0 R08: ffff8801ae37a180 R09: ffff88019d4ffcb8 R10: ffff8801ae37a9b8 R11: ffff88019d4ffc78 R12: 00007f9c1028e000 R13: 00007f9c1028e000 R14: 00007f9c1028e000 R15: ffff8801ae129340 find_vma+0x27/0x190 mm/mmap.c:2155 do_munmap+0x1bb/0xf90 mm/mmap.c:2667 mmap_region+0x658/0x1820 mm/mmap.c:1664 do_mmap+0xc79/0x11d0 mm/mmap.c:1494 do_mmap_pgoff include/linux/mm.h:2237 [inline] vm_mmap_pgoff+0x1fb/0x2a0 mm/util.c:357 ksys_mmap_pgoff+0x4c9/0x640 mm/mmap.c:1544 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9c104d53ea RSP: 002b:00007fff1dfaf848 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f9c106dd9a8 RCX: 00007f9c104d53ea RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007f9c1028e000 RBP: 00007fff1dfafba0 R08: 0000000000000003 R09: 0000000000183000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007fff1dfafc88 R13: 0000000000000002 R14: 00007fff1dfaf8c0 R15: 00007fff1dfaf890 BUG: sleeping function called from invalid context at mm/slab.c:3067 in_atomic(): 1, irqs_disabled(): 1, pid: 9633, name: blkid INFO: lockdep is turned off. irq event stamp: 2093 hardirqs last enabled at (2092): [] slab_alloc_node mm/slab.c:3329 [inline] hardirqs last enabled at (2092): [] kmem_cache_alloc_node_trace+0x22f/0x770 mm/slab.c:3661 hardirqs last disabled at (2093): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (1676): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (1825): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (1825): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 0 PID: 9633 Comm: blkid Tainted: G W 4.17.0-rc2+ #22 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+0x1b9/0x294 lib/dump_stack.c:113 ___might_sleep.cold.87+0x11f/0x13a kernel/sched/core.c:6188 __might_sleep+0x95/0x190 kernel/sched/core.c:6141 cache_alloc_debugcheck_before mm/slab.c:3067 [inline] slab_alloc_node mm/slab.c:3303 [inline] kmem_cache_alloc_node_trace+0x29f/0x770 mm/slab.c:3661 kmalloc_node include/linux/slab.h:550 [inline] numa_crng_init drivers/char/random.c:800 [inline] crng_reseed+0x49f/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:__module_address+0x6a/0x700 kernel/module.c:4298 RSP: 0018:ffff8801dae058a0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffffd9 RAX: ffffed003b5c0b1a RBX: 0000000000000000 RCX: 1ffff1003b5c0b3d RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000000 RBP: ffff8801dae05a18 R08: ffffed003b5c46c3 R09: ffffed003b5c46c2 R10: ffffed003b5c46c2 R11: ffff8801dae23613 R12: dffffc0000000000 R13: 1ffff1003b5c0b1a R14: ffff8801ae37a180 R15: ffff8801ae550b7f __module_text_address+0x13/0x150 kernel/module.c:4344 is_module_text_address+0x10/0x20 kernel/module.c:4329 kernel_text_address+0x6d/0xf0 kernel/extable.c:146 __kernel_text_address+0xd/0x40 kernel/extable.c:107 unwind_get_return_address+0x61/0xa0 arch/x86/kernel/unwind_frame.c:18 __save_stack_trace+0x7e/0xd0 arch/x86/kernel/stacktrace.c:45 save_stack_trace+0x1a/0x20 arch/x86/kernel/stacktrace.c:60 save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 kmem_cache_alloc_node_trace+0x150/0x770 mm/slab.c:3663 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696 __kmalloc_reserve.isra.38+0x3a/0xe0 net/core/skbuff.c:137 __alloc_skb+0x14d/0x780 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:989 [inline] tcp_send_ack+0x11d/0x690 net/ipv4/tcp_output.c:3599 __tcp_ack_snd_check+0x1cf/0x650 net/ipv4/tcp_input.c:5069 tcp_ack_snd_check net/ipv4/tcp_input.c:5082 [inline] tcp_rcv_established+0x8bb/0x2010 net/ipv4/tcp_input.c:5498 tcp_v4_do_rcv+0x615/0x8c0 net/ipv4/tcp_ipv4.c:1477 tcp_v4_rcv+0x2d67/0x38c0 net/ipv4/tcp_ipv4.c:1765 ip_local_deliver_finish+0x2e3/0xd80 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:288 [inline] ip_local_deliver+0x1e1/0x720 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x81b/0x2200 net/ipv4/ip_input.c:396 NF_HOOK include/linux/netfilter.h:288 [inline] ip_rcv+0x9fe/0x125c net/ipv4/ip_input.c:492 __netif_receive_skb_core+0x26f5/0x3630 net/core/dev.c:4603 __netif_receive_skb+0x2c/0x1e0 net/core/dev.c:4668 netif_receive_skb_internal+0x126/0x7b0 net/core/dev.c:4742 napi_skb_finish net/core/dev.c:5104 [inline] napi_gro_receive+0x44d/0x5a0 net/core/dev.c:5135 receive_buf+0xc64/0x2b90 drivers/net/virtio_net.c:959 virtnet_receive drivers/net/virtio_net.c:1214 [inline] virtnet_poll+0x3c8/0xdb5 drivers/net/virtio_net.c:1296 napi_poll net/core/dev.c:5746 [inline] net_rx_action+0x7b7/0x1930 net/core/dev.c:5812 __do_softirq+0x2e0/0xaf5 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1d1/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:525 [inline] do_IRQ+0xf1/0x190 arch/x86/kernel/irq.c:257 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:count_vm_event include/linux/vmstat.h:62 [inline] RIP: 0010:vmacache_find+0x45/0x2e0 mm/vmacache.c:92 RSP: 0018:ffff88019d4ff870 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffd9 RAX: dffffc0000000000 RBX: ffff8801ae37a180 RCX: ffffffff81aa5ec2 RDX: 1ffff10035c6f4ac RSI: ffffffff81a5a2c5 RDI: ffff8801ae37a560 RBP: ffff88019d4ff8a0 R08: ffff8801ae37a180 R09: ffff88019d4ffcb8 R10: ffff8801ae37a9b8 R11: ffff88019d4ffc78 R12: 00007f9c1028e000 R13: 00007f9c1028e000 R14: 00007f9c1028e000 R15: ffff8801ae129340 find_vma+0x27/0x190 mm/mmap.c:2155 do_munmap+0x1bb/0xf90 mm/mmap.c:2667 mmap_region+0x658/0x1820 mm/mmap.c:1664 do_mmap+0xc79/0x11d0 mm/mmap.c:1494 do_mmap_pgoff include/linux/mm.h:2237 [inline] vm_mmap_pgoff+0x1fb/0x2a0 mm/util.c:357 ksys_mmap_pgoff+0x4c9/0x640 mm/mmap.c:1544 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f9c104d53ea RSP: 002b:00007fff1dfaf848 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f9c106dd9a8 RCX: 00007f9c104d53ea RDX: 0000000000000003 RSI: 0000000000005000 RDI: 00007f9c1028e000 RBP: 00007fff1dfafba0 R08: 0000000000000003 R09: 0000000000183000 R10: 0000000000000812 R11: 0000000000000206 R12: 00007fff1dfafc88 R13: 0000000000000002 R14: 00007fff1dfaf8c0 R15: 00007fff1dfaf890 random: crng init done