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:00007f2547132c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 ===================================================== RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 4.19.75 #0 Not tainted R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 ----------------------------------------------------- R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 syz-executor.2/8984 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 000000007a775e07 (&fiq->waitq){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 000000007a775e07 (&fiq->waitq){+.+.}, at: aio_poll fs/aio.c:1741 [inline] 000000007a775e07 (&fiq->waitq){+.+.}, at: __io_submit_one fs/aio.c:1849 [inline] 000000007a775e07 (&fiq->waitq){+.+.}, at: io_submit_one+0xef2/0x2eb0 fs/aio.c:1885 and this task is already holding: 00000000140fb385 (&(&ctx->ctx_lock)->rlock){..-.}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000140fb385 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll fs/aio.c:1739 [inline] 00000000140fb385 (&(&ctx->ctx_lock)->rlock){..-.}, at: __io_submit_one fs/aio.c:1849 [inline] 00000000140fb385 (&(&ctx->ctx_lock)->rlock){..-.}, at: io_submit_one+0xead/0x2eb0 fs/aio.c:1885 which would create a new lock dependency: kobject: 'loop3' (000000000a8783d2): kobject_uevent_env (&(&ctx->ctx_lock)->rlock){..-.} -> (&fiq->waitq){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' ){..-.} ... 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 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 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 kobject: 'loop1' (00000000bff8279d): kobject_uevent_env 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 CPU: 0 PID: 8991 Comm: syz-executor.1 Not tainted 4.19.75 #0 to a SOFTIRQ-irq-unsafe lock: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ( Call Trace: &fiq->waitq __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 ){+.+.} fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 ... 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 __should_failslab+0x121/0x190 mm/failslab.c:32 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 should_failslab+0x9/0x14 mm/slab_common.c:1557 cuse_send_init fs/fuse/cuse.c:458 [inline] cuse_channel_open+0x5ba/0x830 fs/fuse/cuse.c:518 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x26c/0x710 mm/slab.c:3647 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 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 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 alloc_skb_fclone include/linux/skbuff.h:1037 [inline] sk_stream_alloc_skb+0xc8/0x860 net/ipv4/tcp.c:874 __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 tcp_connect+0xfc3/0x40a0 net/ipv4/tcp_output.c:3512 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 ---- ---- tcp_v4_connect+0x150b/0x1c40 net/ipv4/tcp_ipv4.c:315 lock( &fiq->waitq ); local_irq_disable(); __inet_stream_connect+0x834/0xe90 net/ipv4/af_inet.c:655 lock( &(&ctx->ctx_lock)->rlock ); lock( &fiq->waitq ); tcp_sendmsg_fastopen net/ipv4/tcp.c:1178 [inline] tcp_sendmsg_locked+0x23f3/0x3260 net/ipv4/tcp.c:1225 lock( &(&ctx->ctx_lock)->rlock ); *** DEADLOCK *** 1 lock held by syz-executor.2/8984: tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1454 #0: inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 00000000140fb385 ( sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 &(&ctx->ctx_lock)->rlock __sys_sendto+0x262/0x380 net/socket.c:1787 ){..-.} , at: spin_lock_irq include/linux/spinlock.h:354 [inline] , at: aio_poll fs/aio.c:1739 [inline] , at: __io_submit_one fs/aio.c:1849 [inline] , 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: 4 { IN-SOFTIRQ-W __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 at: do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 entry_SYSCALL_64_after_hwframe+0x49/0xbe __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 RIP: 0033:0x459a09 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 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 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 RSP: 002b:00007f2547132c78 EFLAGS: 00000246 __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 ORIG_RAX: 000000000000002c __do_softirq+0x25c/0x921 kernel/softirq.c:292 RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1094 RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:893 R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 INITIAL USE R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 at: kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' 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 kobject: 'loop1' (00000000bff8279d): kobject_uevent_env 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 kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' 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 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 } CPU: 0 PID: 8995 Comm: syz-executor.1 Not tainted 4.19.75 #0 ... key at: [] __key.50217+0x0/0x40 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ... acquired at: Call Trace: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 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 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 the dependencies between the lock to be acquired slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x26c/0x710 mm/slab.c:3647 and SOFTIRQ-irq-unsafe lock: -> __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 ( &fiq->waitq ){+.+.} ops: 35 { alloc_skb_fclone include/linux/skbuff.h:1037 [inline] sk_stream_alloc_skb+0xc8/0x860 net/ipv4/tcp.c:874 HARDIRQ-ON-W tcp_connect+0xfc3/0x40a0 net/ipv4/tcp_output.c:3512 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 tcp_v4_connect+0x150b/0x1c40 net/ipv4/tcp_ipv4.c:315 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 __inet_stream_connect+0x834/0xe90 net/ipv4/af_inet.c:655 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 tcp_sendmsg_fastopen net/ipv4/tcp.c:1178 [inline] tcp_sendmsg_locked+0x23f3/0x3260 net/ipv4/tcp.c:1225 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 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1454 fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 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 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 misc_open+0x395/0x4c0 drivers/char/misc.c:141 __sys_sendto+0x262/0x380 net/socket.c:1787 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 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 entry_SYSCALL_64_after_hwframe+0x49/0xbe do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 INITIAL USE entry_SYSCALL_64_after_hwframe+0x49/0xbe at: RIP: 0033:0x459a09 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 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 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 RSP: 002b:00007f2547132c78 EFLAGS: 00000246 spin_lock include/linux/spinlock.h:329 [inline] flush_bg_queue+0x1f3/0x3d0 fs/fuse/dev.c:368 ORIG_RAX: 000000000000002c fuse_request_send_background_locked+0x26d/0x4e0 fs/fuse/dev.c:609 RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 fuse_request_send_background+0x12b/0x180 fs/fuse/dev.c:617 RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 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 RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 chrdev_open+0x245/0x6b0 fs/char_dev.c:423 R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 do_dentry_open+0x4c3/0x1210 fs/open.c:796 R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 vfs_open+0xa0/0xd0 fs/open.c:905 kobject: 'loop1' (00000000bff8279d): kobject_uevent_env 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 kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' __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 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 } ... 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 CPU: 0 PID: 9002 Comm: syz-executor.1 Not tainted 4.19.75 #0 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 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 __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 Call Trace: do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 entry_SYSCALL_64_after_hwframe+0x49/0xbe fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 stack backtrace: __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x56/0x710 mm/slab.c:3647 __alloc_skb+0xd5/0x5f0 net/core/skbuff.c:193 skb_copy+0x14e/0x310 net/core/skbuff.c:1349 tcp_send_synack+0x62d/0x1070 net/ipv4/tcp_output.c:3168 tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:5973 [inline] tcp_rcv_state_process+0x2324/0x4e68 net/ipv4/tcp_input.c:6055 tcp_v4_do_rcv+0x351/0x8d0 net/ipv4/tcp_ipv4.c:1557 sk_backlog_rcv include/net/sock.h:941 [inline] __release_sock+0x129/0x390 net/core/sock.c:2334 release_sock+0x59/0x1c0 net/core/sock.c:2850 tcp_sendmsg+0x3b/0x50 net/ipv4/tcp.c:1455 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 __sys_sendto+0x262/0x380 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a09 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:00007f2547132c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 CPU: 1 PID: 8984 Comm: syz-executor.2 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: 0033:0x459a09 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:00007fa0ee3bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09 RDX: 00000000200004c0 RSI: 0000000000000001 RDI: 00007fa0ee379000 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa0ee3bd6d4 R13: 00000000004c0dea R14: 00000000004d3f98 R15: 00000000ffffffff netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 9008 Comm: syz-executor.1 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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x5a/0x720 mm/slab.c:3666 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3703 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:137 __alloc_skb+0x10b/0x5f0 net/core/skbuff.c:205 skb_copy+0x14e/0x310 net/core/skbuff.c:1349 tcp_send_synack+0x62d/0x1070 net/ipv4/tcp_output.c:3168 tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:5973 [inline] tcp_rcv_state_process+0x2324/0x4e68 net/ipv4/tcp_input.c:6055 tcp_v4_do_rcv+0x351/0x8d0 net/ipv4/tcp_ipv4.c:1557 sk_backlog_rcv include/net/sock.h:941 [inline] __release_sock+0x129/0x390 net/core/sock.c:2334 release_sock+0x59/0x1c0 net/core/sock.c:2850 tcp_sendmsg+0x3b/0x50 net/ipv4/tcp.c:1455 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 __sys_sendto+0x262/0x380 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a09 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:00007f2547132c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' CPU: 1 PID: 9026 Comm: syz-executor.1 Not tainted 4.19.75 #0 kobject: 'loop1' (00000000bff8279d): kobject_uevent_env 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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x47/0x700 mm/slab.c:3557 skb_clone+0x156/0x3e0 net/core/skbuff.c:1284 __tcp_transmit_skb+0x267/0x39f0 net/ipv4/tcp_output.c:1042 tcp_transmit_skb net/ipv4/tcp_output.c:1175 [inline] tcp_send_synack+0x4be/0x1070 net/ipv4/tcp_output.c:3184 tcp_rcv_synsent_state_process net/ipv4/tcp_input.c:5973 [inline] tcp_rcv_state_process+0x2324/0x4e68 net/ipv4/tcp_input.c:6055 tcp_v4_do_rcv+0x351/0x8d0 net/ipv4/tcp_ipv4.c:1557 sk_backlog_rcv include/net/sock.h:941 [inline] __release_sock+0x129/0x390 net/core/sock.c:2334 release_sock+0x59/0x1c0 net/core/sock.c:2850 tcp_sendmsg+0x3b/0x50 net/ipv4/tcp.c:1455 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 __sys_sendto+0x262/0x380 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a09 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:00007f2547132c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9046 Comm: syz-executor.1 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 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3725 [inline] __kmalloc_track_caller+0x6d/0x750 mm/slab.c:3742 __do_krealloc mm/slab_common.c:1468 [inline] __krealloc+0x71/0xc0 mm/slab_common.c:1490 nf_ct_ext_add+0x2a9/0x62f net/netfilter/nf_conntrack_extend.c:76 nf_ct_labels_ext_add include/net/netfilter/nf_conntrack_labels.h:34 [inline] init_conntrack+0x5f4/0x1340 net/netfilter/nf_conntrack_core.c:1447 resolve_normal_ct net/netfilter/nf_conntrack_core.c:1527 [inline] nf_conntrack_in+0x98b/0xe90 net/netfilter/nf_conntrack_core.c:1605 ipv4_conntrack_local net/netfilter/nf_conntrack_proto.c:480 [inline] ipv4_conntrack_local+0x1bb/0x280 net/netfilter/nf_conntrack_proto.c:461 nf_hook_entry_hookfn include/linux/netfilter.h:119 [inline] nf_hook_slow+0xbc/0x1e0 net/netfilter/core.c:511 nf_hook include/linux/netfilter.h:244 [inline] __ip_local_out+0x409/0x840 net/ipv4/ip_output.c:113 ip_local_out+0x2d/0x190 net/ipv4/ip_output.c:122 __ip_queue_xmit+0x86f/0x1bc0 net/ipv4/ip_output.c:505 ip_queue_xmit+0x5a/0x70 include/net/ip.h:197 __tcp_transmit_skb+0x1aeb/0x39f0 net/ipv4/tcp_output.c:1159 tcp_transmit_skb net/ipv4/tcp_output.c:1175 [inline] tcp_send_syn_data net/ipv4/tcp_output.c:3485 [inline] tcp_connect+0x1ee5/0x40a0 net/ipv4/tcp_output.c:3524 tcp_v4_connect+0x150b/0x1c40 net/ipv4/tcp_ipv4.c:315 __inet_stream_connect+0x834/0xe90 net/ipv4/af_inet.c:655 tcp_sendmsg_fastopen net/ipv4/tcp.c:1178 [inline] tcp_sendmsg_locked+0x23f3/0x3260 net/ipv4/tcp.c:1225 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1454 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 __sys_sendto+0x262/0x380 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a09 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:00007f2547132c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): kobject_uevent_env CPU: 0 PID: 9077 Comm: syz-executor.1 Not tainted 4.19.75 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' __should_failslab+0x121/0x190 mm/failslab.c:32 kobject: 'loop4' (000000003f628a97): kobject_uevent_env should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x5a/0x720 mm/slab.c:3666 kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x3d/0x80 mm/slab.c:3703 __kmalloc_reserve.isra.0+0x40/0xf0 net/core/skbuff.c:137 __alloc_skb+0x10b/0x5f0 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] __tcp_send_ack.part.0+0x6a/0x5e0 net/ipv4/tcp_output.c:3618 kobject: 'kvm' (000000001332f5dd): kobject_uevent_env __tcp_send_ack net/ipv4/tcp_output.c:3645 [inline] tcp_send_ack+0x88/0xa0 net/ipv4/tcp_output.c:3645 tcp_send_challenge_ack.isra.0+0x250/0x300 net/ipv4/tcp_input.c:3482 tcp_validate_incoming+0x573/0x16b0 net/ipv4/tcp_input.c:5468 kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' tcp_rcv_state_process+0xc3a/0x4e68 net/ipv4/tcp_input.c:6082 tcp_v4_do_rcv+0x351/0x8d0 net/ipv4/tcp_ipv4.c:1557 sk_backlog_rcv include/net/sock.h:941 [inline] __release_sock+0x129/0x390 net/core/sock.c:2334 release_sock+0x59/0x1c0 net/core/sock.c:2850 tcp_sendmsg+0x3b/0x50 net/ipv4/tcp.c:1455 inet_sendmsg+0x141/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 __sys_sendto+0x262/0x380 net/socket.c:1787 __do_sys_sendto net/socket.c:1799 [inline] __se_sys_sendto net/socket.c:1795 [inline] __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1795 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a09 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:00007f2547132c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2547132c90 RCX: 0000000000459a09 RDX: 38f4168b7592eaea RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000020000000 R09: 0000000000000010 R10: ed13f8ac3df0acdb R11: 0000000000000246 R12: 00007f25471336d4 R13: 00000000004c79ac R14: 00000000004dd400 R15: 0000000000000004 kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (000000001332f5dd): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (000000001332f5dd): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000bff8279d): kobject_uevent_env kobject: 'loop1' (00000000bff8279d): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000e125083c): kobject_uevent_env kobject: 'loop2' (00000000e125083c): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000004845ce81): kobject_uevent_env kobject: 'loop5' (000000004845ce81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (000000003f628a97): kobject_uevent_env kobject: 'loop4' (000000003f628a97): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000000a8783d2): kobject_uevent_env kobject: 'loop3' (000000000a8783d2): fill_kobj_path: path = '/devices/virtual/block/loop3'