===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 5.6.0-rc2-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor.1/23827 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: ffff888095e78748 (&pid->wait_pidfd){+.+.}, at: spin_lock include/linux/spinlock.h:338 [inline] ffff888095e78748 (&pid->wait_pidfd){+.+.}, at: aio_poll fs/aio.c:1767 [inline] ffff888095e78748 (&pid->wait_pidfd){+.+.}, at: __io_submit_one fs/aio.c:1841 [inline] ffff888095e78748 (&pid->wait_pidfd){+.+.}, at: io_submit_one+0x97f/0x2b00 fs/aio.c:1878 and this task is already holding: ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:363 [inline] ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1765 [inline] ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1841 [inline] ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0x93f/0x2b00 fs/aio.c:1878 which would create a new lock dependency: (&(&ctx->ctx_lock)->rlock){..-.} -> (&pid->wait_pidfd){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x5e/0x80 kernel/locking/spinlock.c:167 spin_lock_irq include/linux/spinlock.h:363 [inline] free_ioctx_users+0x2b/0x3e0 fs/aio.c:618 percpu_ref_put_many include/linux/percpu-refcount.h:309 [inline] percpu_ref_put include/linux/percpu-refcount.h:325 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:130 [inline] percpu_ref_switch_to_atomic_rcu+0x387/0x450 lib/percpu-refcount.c:165 rcu_do_batch kernel/rcu/tree.c:2186 [inline] rcu_core+0x584/0x1290 kernel/rcu/tree.c:2410 __do_softirq+0x26e/0x9b2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x191/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x1a1/0x5f0 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 deref_stack_reg+0x1b/0xe0 arch/x86/kernel/unwind_orc.c:347 unwind_next_frame+0x1231/0x1b30 arch/x86/kernel/unwind_orc.c:548 arch_stack_walk+0x77/0xd0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x85/0xb0 kernel/stacktrace.c:123 save_stack+0x19/0x80 mm/kasan/common.c:72 set_track mm/kasan/common.c:80 [inline] __kasan_kmalloc.constprop.17+0xc1/0xd0 mm/kasan/common.c:515 __do_kmalloc mm/slab.c:3656 [inline] __kmalloc+0x164/0x7b0 mm/slab.c:3665 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:669 [inline] tnode_alloc net/ipv4/fib_trie.c:336 [inline] tnode_new+0x182/0x230 net/ipv4/fib_trie.c:389 inflate net/ipv4/fib_trie.c:600 [inline] resize+0x6fa/0x1910 net/ipv4/fib_trie.c:873 trie_rebalance net/ipv4/fib_trie.c:1064 [inline] fib_insert_node net/ipv4/fib_trie.c:1108 [inline] fib_insert_alias+0x99d/0xf10 net/ipv4/fib_trie.c:1122 fib_table_insert+0x559/0x1980 net/ipv4/fib_trie.c:1333 fib_magic.isra.24+0x34a/0x500 net/ipv4/fib_frontend.c:1082 fib_add_ifaddr+0x155/0x460 net/ipv4/fib_frontend.c:1104 fib_inetaddr_event+0x139/0x1f9 net/ipv4/fib_frontend.c:1417 notifier_call_chain+0x86/0x150 kernel/notifier.c:83 __blocking_notifier_call_chain kernel/notifier.c:284 [inline] blocking_notifier_call_chain+0x66/0xa0 kernel/notifier.c:295 __inet_insert_ifa+0x75e/0xa20 net/ipv4/devinet.c:552 inet_rtm_newaddr+0xc93/0x1380 net/ipv4/devinet.c:951 rtnetlink_rcv_msg+0x346/0x8c0 net/core/rtnetlink.c:5438 netlink_rcv_skb+0x119/0x340 net/netlink/af_netlink.c:2477 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x434/0x630 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x714/0xc60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xac/0xe0 net/socket.c:672 __sys_sendto+0x1d3/0x2b0 net/socket.c:1998 __do_compat_sys_socketcall net/compat.c:771 [inline] __se_compat_sys_socketcall net/compat.c:719 [inline] __ia32_compat_sys_socketcall+0x401/0x550 net/compat.c:719 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x231/0xb27 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 to a SOFTIRQ-irq-unsafe lock: (&pid->wait_pidfd){+.+.} ... which became SOFTIRQ-irq-unsafe at: ... lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] proc_pid_make_inode+0x1c0/0x390 fs/proc/base.c:1880 proc_pid_instantiate+0x40/0x140 fs/proc/base.c:3285 proc_pid_lookup+0x134/0x240 fs/proc/base.c:3320 proc_root_lookup+0x16/0x40 fs/proc/root.c:243 __lookup_slow+0x204/0x3d0 fs/namei.c:1757 lookup_slow fs/namei.c:1774 [inline] walk_component+0x684/0xef0 fs/namei.c:1915 link_path_walk.part.40+0x3c4/0xdc0 fs/namei.c:2238 link_path_walk fs/namei.c:2172 [inline] path_openat+0x194/0x2aa0 fs/namei.c:3606 do_filp_open+0x171/0x240 fs/namei.c:3637 do_sys_openat2+0x2b9/0x480 fs/open.c:1149 do_sys_open+0x85/0xd0 fs/open.c:1165 do_syscall_64+0xc6/0x5e0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pid->wait_pidfd); local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&pid->wait_pidfd); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-executor.1/23827: #0: ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:363 [inline] #0: ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1765 [inline] #0: ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1841 [inline] #0: ffff88808c9d9018 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0x93f/0x2b00 fs/aio.c:1878 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} { IN-SOFTIRQ-W at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x5e/0x80 kernel/locking/spinlock.c:167 spin_lock_irq include/linux/spinlock.h:363 [inline] free_ioctx_users+0x2b/0x3e0 fs/aio.c:618 percpu_ref_put_many include/linux/percpu-refcount.h:309 [inline] percpu_ref_put include/linux/percpu-refcount.h:325 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:130 [inline] percpu_ref_switch_to_atomic_rcu+0x387/0x450 lib/percpu-refcount.c:165 rcu_do_batch kernel/rcu/tree.c:2186 [inline] rcu_core+0x584/0x1290 kernel/rcu/tree.c:2410 __do_softirq+0x26e/0x9b2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x191/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x1a1/0x5f0 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 deref_stack_reg+0x1b/0xe0 arch/x86/kernel/unwind_orc.c:347 unwind_next_frame+0x1231/0x1b30 arch/x86/kernel/unwind_orc.c:548 arch_stack_walk+0x77/0xd0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x85/0xb0 kernel/stacktrace.c:123 save_stack+0x19/0x80 mm/kasan/common.c:72 set_track mm/kasan/common.c:80 [inline] __kasan_kmalloc.constprop.17+0xc1/0xd0 mm/kasan/common.c:515 __do_kmalloc mm/slab.c:3656 [inline] __kmalloc+0x164/0x7b0 mm/slab.c:3665 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:669 [inline] tnode_alloc net/ipv4/fib_trie.c:336 [inline] tnode_new+0x182/0x230 net/ipv4/fib_trie.c:389 inflate net/ipv4/fib_trie.c:600 [inline] resize+0x6fa/0x1910 net/ipv4/fib_trie.c:873 trie_rebalance net/ipv4/fib_trie.c:1064 [inline] fib_insert_node net/ipv4/fib_trie.c:1108 [inline] fib_insert_alias+0x99d/0xf10 net/ipv4/fib_trie.c:1122 fib_table_insert+0x559/0x1980 net/ipv4/fib_trie.c:1333 fib_magic.isra.24+0x34a/0x500 net/ipv4/fib_frontend.c:1082 fib_add_ifaddr+0x155/0x460 net/ipv4/fib_frontend.c:1104 fib_inetaddr_event+0x139/0x1f9 net/ipv4/fib_frontend.c:1417 notifier_call_chain+0x86/0x150 kernel/notifier.c:83 __blocking_notifier_call_chain kernel/notifier.c:284 [inline] blocking_notifier_call_chain+0x66/0xa0 kernel/notifier.c:295 __inet_insert_ifa+0x75e/0xa20 net/ipv4/devinet.c:552 inet_rtm_newaddr+0xc93/0x1380 net/ipv4/devinet.c:951 rtnetlink_rcv_msg+0x346/0x8c0 net/core/rtnetlink.c:5438 netlink_rcv_skb+0x119/0x340 net/netlink/af_netlink.c:2477 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x434/0x630 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x714/0xc60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xac/0xe0 net/socket.c:672 __sys_sendto+0x1d3/0x2b0 net/socket.c:1998 __do_compat_sys_socketcall net/compat.c:771 [inline] __se_compat_sys_socketcall net/compat.c:719 [inline] __ia32_compat_sys_socketcall+0x401/0x550 net/compat.c:719 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x231/0xb27 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 INITIAL USE at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x5e/0x80 kernel/locking/spinlock.c:167 spin_lock_irq include/linux/spinlock.h:363 [inline] free_ioctx_users+0x2b/0x3e0 fs/aio.c:618 percpu_ref_put_many include/linux/percpu-refcount.h:309 [inline] percpu_ref_put include/linux/percpu-refcount.h:325 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:130 [inline] percpu_ref_switch_to_atomic_rcu+0x387/0x450 lib/percpu-refcount.c:165 rcu_do_batch kernel/rcu/tree.c:2186 [inline] rcu_core+0x584/0x1290 kernel/rcu/tree.c:2410 __do_softirq+0x26e/0x9b2 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x191/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x1a1/0x5f0 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 deref_stack_reg+0x1b/0xe0 arch/x86/kernel/unwind_orc.c:347 unwind_next_frame+0x1231/0x1b30 arch/x86/kernel/unwind_orc.c:548 arch_stack_walk+0x77/0xd0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x85/0xb0 kernel/stacktrace.c:123 save_stack+0x19/0x80 mm/kasan/common.c:72 set_track mm/kasan/common.c:80 [inline] __kasan_kmalloc.constprop.17+0xc1/0xd0 mm/kasan/common.c:515 __do_kmalloc mm/slab.c:3656 [inline] __kmalloc+0x164/0x7b0 mm/slab.c:3665 kmalloc include/linux/slab.h:560 [inline] kzalloc include/linux/slab.h:669 [inline] tnode_alloc net/ipv4/fib_trie.c:336 [inline] tnode_new+0x182/0x230 net/ipv4/fib_trie.c:389 inflate net/ipv4/fib_trie.c:600 [inline] resize+0x6fa/0x1910 net/ipv4/fib_trie.c:873 trie_rebalance net/ipv4/fib_trie.c:1064 [inline] fib_insert_node net/ipv4/fib_trie.c:1108 [inline] fib_insert_alias+0x99d/0xf10 net/ipv4/fib_trie.c:1122 fib_table_insert+0x559/0x1980 net/ipv4/fib_trie.c:1333 fib_magic.isra.24+0x34a/0x500 net/ipv4/fib_frontend.c:1082 fib_add_ifaddr+0x155/0x460 net/ipv4/fib_frontend.c:1104 fib_inetaddr_event+0x139/0x1f9 net/ipv4/fib_frontend.c:1417 notifier_call_chain+0x86/0x150 kernel/notifier.c:83 __blocking_notifier_call_chain kernel/notifier.c:284 [inline] blocking_notifier_call_chain+0x66/0xa0 kernel/notifier.c:295 __inet_insert_ifa+0x75e/0xa20 net/ipv4/devinet.c:552 inet_rtm_newaddr+0xc93/0x1380 net/ipv4/devinet.c:951 rtnetlink_rcv_msg+0x346/0x8c0 net/core/rtnetlink.c:5438 netlink_rcv_skb+0x119/0x340 net/netlink/af_netlink.c:2477 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x434/0x630 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x714/0xc60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xac/0xe0 net/socket.c:672 __sys_sendto+0x1d3/0x2b0 net/socket.c:1998 __do_compat_sys_socketcall net/compat.c:771 [inline] __se_compat_sys_socketcall net/compat.c:719 [inline] __ia32_compat_sys_socketcall+0x401/0x550 net/compat.c:719 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x231/0xb27 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 } ... key at: [] __key.55053+0x0/0x40 ... acquired at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] aio_poll fs/aio.c:1767 [inline] __io_submit_one fs/aio.c:1841 [inline] io_submit_one+0x97f/0x2b00 fs/aio.c:1878 __do_compat_sys_io_submit fs/aio.c:1979 [inline] __se_compat_sys_io_submit fs/aio.c:1949 [inline] __ia32_compat_sys_io_submit+0x163/0x3a0 fs/aio.c:1949 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x231/0xb27 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&pid->wait_pidfd){+.+.} { HARDIRQ-ON-W at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] proc_pid_make_inode+0x1c0/0x390 fs/proc/base.c:1880 proc_pid_instantiate+0x40/0x140 fs/proc/base.c:3285 proc_pid_lookup+0x134/0x240 fs/proc/base.c:3320 proc_root_lookup+0x16/0x40 fs/proc/root.c:243 __lookup_slow+0x204/0x3d0 fs/namei.c:1757 lookup_slow fs/namei.c:1774 [inline] walk_component+0x684/0xef0 fs/namei.c:1915 link_path_walk.part.40+0x3c4/0xdc0 fs/namei.c:2238 link_path_walk fs/namei.c:2172 [inline] path_openat+0x194/0x2aa0 fs/namei.c:3606 do_filp_open+0x171/0x240 fs/namei.c:3637 do_sys_openat2+0x2b9/0x480 fs/open.c:1149 do_sys_open+0x85/0xd0 fs/open.c:1165 do_syscall_64+0xc6/0x5e0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe SOFTIRQ-ON-W at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] proc_pid_make_inode+0x1c0/0x390 fs/proc/base.c:1880 proc_pid_instantiate+0x40/0x140 fs/proc/base.c:3285 proc_pid_lookup+0x134/0x240 fs/proc/base.c:3320 proc_root_lookup+0x16/0x40 fs/proc/root.c:243 __lookup_slow+0x204/0x3d0 fs/namei.c:1757 lookup_slow fs/namei.c:1774 [inline] walk_component+0x684/0xef0 fs/namei.c:1915 link_path_walk.part.40+0x3c4/0xdc0 fs/namei.c:2238 link_path_walk fs/namei.c:2172 [inline] path_openat+0x194/0x2aa0 fs/namei.c:3606 do_filp_open+0x171/0x240 fs/namei.c:3637 do_sys_openat2+0x2b9/0x480 fs/open.c:1149 do_sys_open+0x85/0xd0 fs/open.c:1165 do_syscall_64+0xc6/0x5e0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xc0 kernel/locking/spinlock.c:159 __wake_up_common_lock+0xa8/0x120 kernel/sched/wait.c:122 do_notify_pidfd kernel/signal.c:1895 [inline] do_notify_parent+0x14c/0xbb0 kernel/signal.c:1922 exit_notify kernel/exit.c:668 [inline] do_exit+0x206f/0x2a10 kernel/exit.c:824 call_usermodehelper_exec_async+0x47f/0x680 kernel/umh.c:125 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 } ... key at: [] __key.53243+0x0/0x40 ... acquired at: lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] aio_poll fs/aio.c:1767 [inline] __io_submit_one fs/aio.c:1841 [inline] io_submit_one+0x97f/0x2b00 fs/aio.c:1878 __do_compat_sys_io_submit fs/aio.c:1979 [inline] __se_compat_sys_io_submit fs/aio.c:1949 [inline] __ia32_compat_sys_io_submit+0x163/0x3a0 fs/aio.c:1949 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x231/0xb27 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139 stack backtrace: CPU: 1 PID: 23827 Comm: syz-executor.1 Not tainted 5.6.0-rc2-syzkaller #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+0x128/0x182 lib/dump_stack.c:118 print_bad_irq_dependency kernel/locking/lockdep.c:2094 [inline] check_irq_usage.cold.62+0x57e/0x6d8 kernel/locking/lockdep.c:2292 check_prev_add kernel/locking/lockdep.c:2479 [inline] check_prevs_add kernel/locking/lockdep.c:2580 [inline] validate_chain kernel/locking/lockdep.c:2970 [inline] __lock_acquire+0x23f1/0x4370 kernel/locking/lockdep.c:3954 lock_acquire+0x19b/0x420 kernel/locking/lockdep.c:4484 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] aio_poll fs/aio.c:1767 [inline] __io_submit_one fs/aio.c:1841 [inline] io_submit_one+0x97f/0x2b00 fs/aio.c:1878 __do_compat_sys_io_submit fs/aio.c:1979 [inline] __se_compat_sys_io_submit fs/aio.c:1949 [inline] __ia32_compat_sys_io_submit+0x163/0x3a0 fs/aio.c:1949 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline] do_fast_syscall_32+0x231/0xb27 arch/x86/entry/common.c:408 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139