===================================================== WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected 4.19.53+ #25 Not tainted ----------------------------------------------------- syz-executor.2/17612 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: 0000000005798137 (&ctx->fault_pending_wqh){+.+.}, at: spin_lock include/linux/spinlock.h:329 [inline] 0000000005798137 (&ctx->fault_pending_wqh){+.+.}, at: userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline] 0000000005798137 (&ctx->fault_pending_wqh){+.+.}, at: userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 and this task is already holding: 00000000b9b3b910 (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] 00000000b9b3b910 (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read fs/userfaultfd.c:1042 [inline] 00000000b9b3b910 (&ctx->fd_wqh){....}, at: userfaultfd_read+0x262/0x18c0 fs/userfaultfd.c:1204 which would create a new lock dependency: (&ctx->fd_wqh){....} -> (&ctx->fault_pending_wqh){+.+.} but this new dependency connects a SOFTIRQ-irq-safe lock: (&(&ctx->ctx_lock)->rlock){..-.} ... which became SOFTIRQ-irq-safe at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] lock_release+0x47a/0xa30 kernel/locking/lockdep.c:3922 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x225/0x760 net/batman-adv/network-coding.c:730 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 to a SOFTIRQ-irq-unsafe lock: (&ctx->fault_pending_wqh){+.+.} ... 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] userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 kobject: 'loop5' (0000000065219bf1): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ctx->fault_pending_wqh); kobject: 'loop5' (0000000065219bf1): fill_kobj_path: path = '/devices/virtual/block/loop5' local_irq_disable(); lock(&(&ctx->ctx_lock)->rlock); lock(&ctx->fd_wqh); lock(&(&ctx->ctx_lock)->rlock); *** DEADLOCK *** 1 lock held by syz-executor.2/17612: #0: 00000000b9b3b910 (&ctx->fd_wqh){....}, at: spin_lock_irq include/linux/spinlock.h:354 [inline] #0: 00000000b9b3b910 (&ctx->fd_wqh){....}, at: userfaultfd_ctx_read fs/userfaultfd.c:1042 [inline] #0: 00000000b9b3b910 (&ctx->fd_wqh){....}, at: userfaultfd_read+0x262/0x18c0 fs/userfaultfd.c:1204 the dependencies between SOFTIRQ-irq-safe lock and the holding lock: -> (&(&ctx->ctx_lock)->rlock){..-.} ops: 36 { IN-SOFTIRQ-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] lock_release+0x47a/0xa30 kernel/locking/lockdep.c:3922 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x225/0x760 net/batman-adv/network-coding.c:730 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline] _raw_spin_lock_irq+0x60/0x80 kernel/locking/spinlock.c:160 spin_lock_irq include/linux/spinlock.h:354 [inline] free_ioctx_users+0x2d/0x490 fs/aio.c:614 percpu_ref_put_many include/linux/percpu-refcount.h:284 [inline] percpu_ref_put include/linux/percpu-refcount.h:300 [inline] percpu_ref_call_confirm_rcu lib/percpu-refcount.c:123 [inline] percpu_ref_switch_to_atomic_rcu+0x407/0x540 lib/percpu-refcount.c:158 __rcu_reclaim kernel/rcu/rcu.h:236 [inline] rcu_do_batch kernel/rcu/tree.c:2584 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0xba0/0x1a30 kernel/rcu/tree.c:2881 __do_softirq+0x25c/0x921 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:869 arch_local_irq_restore arch/x86/include/asm/paravirt.h:788 [inline] lock_release+0x47a/0xa30 kernel/locking/lockdep.c:3922 rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x225/0x760 net/batman-adv/network-coding.c:730 process_one_work+0x989/0x1750 kernel/workqueue.c:2153 worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x354/0x420 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 } ... key at: [] __key.50193+0x0/0x40 ... acquired at: __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 -> (&ctx->fd_wqh){....} ops: 34 { INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:152 __wake_up_common_lock+0xc7/0x190 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 userfaultfd_release+0x534/0x720 fs/userfaultfd.c:930 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.43730+0x0/0x40 ... acquired at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline] userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 __vfs_read+0x114/0x800 fs/read_write.c:416 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: -> (&ctx->fault_pending_wqh){+.+.} ops: 31 { HARDIRQ-ON-W at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 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] userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe INITIAL USE at: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 kobject: 'loop0' (000000008a7025a6): kobject_uevent_env spin_lock include/linux/spinlock.h:329 [inline] userfaultfd_release+0x4d6/0x720 fs/userfaultfd.c:922 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe } ... key at: [] __key.43727+0x0/0x40 ... acquired at: kobject: 'loop0' (000000008a7025a6): fill_kobj_path: path = '/devices/virtual/block/loop0' 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] userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline] userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 __vfs_read+0x114/0x800 fs/read_write.c:416 vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe stack backtrace: CPU: 1 PID: 17612 Comm: syz-executor.2 Not tainted 4.19.53+ #25 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'nr0' (00000000363eb19b): kobject_add_internal: parent: 'net', set: 'devices' 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+0x1ee4/0x48f0 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] userfaultfd_ctx_read fs/userfaultfd.c:1046 [inline] userfaultfd_read+0x394/0x18c0 fs/userfaultfd.c:1204 __vfs_read+0x114/0x800 fs/read_write.c:416 kobject: 'nr0' (00000000363eb19b): kobject_uevent_env vfs_read+0x194/0x3d0 fs/read_write.c:452 ksys_read+0x14f/0x2d0 fs/read_write.c:579 xt_connbytes: cannot load conntrack support for proto=7 __do_sys_read fs/read_write.c:589 [inline] __se_sys_read fs/read_write.c:587 [inline] __x64_sys_read+0x73/0xb0 fs/read_write.c:587 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 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:00007f366b98ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004592c9 RDX: 0000000000001000 RSI: 0000000020000f40 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 xt_connbytes: Forcing CT accounting to be enabled R10: 0000000000000000 R11: 0000000000000246 R12: 00007f366b98b6d4 R13: 00000000004c64f9 R14: 00000000004db150 R15: 00000000ffffffff kauditd_printk_skb: 155 callbacks suppressed audit: type=1400 audit(1561161514.974:9467): avc: denied { map } for pid=17608 comm="blkid" path="/etc/ld.so.cache" dev="sda1" ino=2251 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'nr0' (00000000363eb19b): fill_kobj_path: path = '/devices/virtual/net/nr0' xt_connbytes: cannot load conntrack support for proto=7 kobject: 'queues' (000000006201e529): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (000000006201e529): kobject_uevent_env audit: type=1400 audit(1561161514.974:9468): avc: denied { map } for pid=17608 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'queues' (000000006201e529): kobject_uevent_env: filter function caused the event to drop! audit: type=1400 audit(1561161514.974:9469): avc: denied { map } for pid=17608 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'rx-0' (00000000a2936ee3): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000a2936ee3): kobject_uevent_env kobject: 'rx-0' (00000000a2936ee3): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' audit: type=1400 audit(1561161515.024:9470): avc: denied { map } for pid=17608 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (0000000091afea1f): kobject_add_internal: parent: 'queues', set: 'queues' audit: audit_backlog=65 > audit_backlog_limit=64 kobject: 'tx-0' (0000000091afea1f): kobject_uevent_env audit: audit_lost=137 audit_rate_limit=0 audit_backlog_limit=64 kobject: 'tx-0' (0000000091afea1f): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' audit: type=1400 audit(1561161515.024:9471): avc: denied { map } for pid=17608 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: backlog limit exceeded kobject: 'batman_adv' (00000000caf84834): kobject_add_internal: parent: 'nr0', set: '' audit: type=1400 audit(1561161515.044:9472): avc: denied { map } for pid=17608 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1561161515.044:9473): avc: denied { map } for pid=17608 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'batman_adv' (00000000caf84834): kobject_uevent_env kobject: 'batman_adv' (00000000caf84834): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000caf84834): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000caf84834): calling ktype release kobject: (00000000caf84834): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000a2936ee3): kobject_cleanup, parent 000000006201e529 kobject: 'rx-0' (00000000a2936ee3): auto cleanup 'remove' event kobject: 'rx-0' (00000000a2936ee3): kobject_uevent_env kobject: 'rx-0' (00000000a2936ee3): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000a2936ee3): auto cleanup kobject_del kobject: 'rx-0' (00000000a2936ee3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000091afea1f): kobject_cleanup, parent 000000006201e529 kobject: 'tx-0' (0000000091afea1f): auto cleanup 'remove' event kobject: 'tx-0' (0000000091afea1f): kobject_uevent_env kobject: 'tx-0' (0000000091afea1f): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (0000000091afea1f): auto cleanup kobject_del kobject: 'tx-0' (0000000091afea1f): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006201e529): kobject_cleanup, parent (null) kobject: 'loop2' (000000001731b28b): kobject_uevent_env kobject: 'queues' (000000006201e529): calling ktype release kobject: 'queues' (000000006201e529): kset_release kobject: 'loop2' (000000001731b28b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues': free name kobject: 'nr0' (00000000363eb19b): kobject_uevent_env kobject: 'nr0' (00000000363eb19b): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'loop0' (000000008a7025a6): kobject_uevent_env kobject: 'loop0' (000000008a7025a6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nr0' (00000000363eb19b): kobject_cleanup, parent (null) kobject: 'nr0' (00000000363eb19b): calling ktype release kobject: 'nr0': free name kobject: 'loop5' (0000000065219bf1): kobject_uevent_env kobject: 'nr0' (0000000099bc3225): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (0000000065219bf1): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nr0' (0000000099bc3225): kobject_uevent_env kobject: 'nr0' (0000000099bc3225): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (0000000030205ceb): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop3' (000000009ab50ff9): kobject_uevent_env kobject: 'loop3' (000000009ab50ff9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (0000000030205ceb): kobject_uevent_env kobject: 'queues' (0000000030205ceb): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop4' (00000000821a6349): kobject_uevent_env kobject: 'rx-0' (000000000e46d24f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000821a6349): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000000e46d24f): kobject_uevent_env kobject: 'rx-0' (000000000e46d24f): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000a9f8d8c4): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000a9f8d8c4): kobject_uevent_env kobject: 'tx-0' (00000000a9f8d8c4): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000b3c68ae4): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop2' (000000001731b28b): kobject_uevent_env kobject: 'loop2' (000000001731b28b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'batman_adv' (00000000b3c68ae4): kobject_uevent_env kobject: 'batman_adv' (00000000b3c68ae4): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000b3c68ae4): kobject_cleanup, parent (null) kobject: 'loop0' (000000008a7025a6): kobject_uevent_env kobject: 'batman_adv' (00000000b3c68ae4): calling ktype release kobject: 'loop0' (000000008a7025a6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: (00000000b3c68ae4): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000000e46d24f): kobject_cleanup, parent 0000000030205ceb kobject: 'rx-0' (000000000e46d24f): auto cleanup 'remove' event kobject: 'rx-0' (000000000e46d24f): kobject_uevent_env kobject: 'rx-0' (000000000e46d24f): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (000000000e46d24f): auto cleanup kobject_del kobject: 'rx-0' (000000000e46d24f): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a9f8d8c4): kobject_cleanup, parent 0000000030205ceb kobject: 'tx-0' (00000000a9f8d8c4): auto cleanup 'remove' event kobject: 'tx-0' (00000000a9f8d8c4): kobject_uevent_env kobject: 'tx-0' (00000000a9f8d8c4): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000a9f8d8c4): auto cleanup kobject_del kobject: 'tx-0' (00000000a9f8d8c4): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000030205ceb): kobject_cleanup, parent (null) kobject: 'queues' (0000000030205ceb): calling ktype release kobject: 'queues' (0000000030205ceb): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000099bc3225): kobject_uevent_env kobject: 'nr0' (0000000099bc3225): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (000000001b867655): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (000000001b867655): kobject_uevent_env kobject: 'nr0' (000000001b867655): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (00000000ddcd6ae0): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (00000000ddcd6ae0): kobject_uevent_env kobject: 'queues' (00000000ddcd6ae0): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000009e8a89c3): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000009e8a89c3): kobject_uevent_env kobject: 'rx-0' (000000009e8a89c3): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000fd4cc3c6): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000fd4cc3c6): kobject_uevent_env kobject: 'tx-0' (00000000fd4cc3c6): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000f5313743): kobject_add_internal: parent: 'nr0', set: '' kobject: 'batman_adv' (00000000f5313743): kobject_uevent_env kobject: 'batman_adv' (00000000f5313743): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000f5313743): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000f5313743): calling ktype release kobject: (00000000f5313743): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000009e8a89c3): kobject_cleanup, parent 00000000ddcd6ae0 kobject: 'rx-0' (000000009e8a89c3): auto cleanup 'remove' event kobject: 'rx-0' (000000009e8a89c3): kobject_uevent_env kobject: 'rx-0' (000000009e8a89c3): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (000000009e8a89c3): auto cleanup kobject_del kobject: 'rx-0' (000000009e8a89c3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000fd4cc3c6): kobject_cleanup, parent 00000000ddcd6ae0 kobject: 'tx-0' (00000000fd4cc3c6): auto cleanup 'remove' event kobject: 'tx-0' (00000000fd4cc3c6): kobject_uevent_env kobject: 'tx-0' (00000000fd4cc3c6): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000fd4cc3c6): auto cleanup kobject_del kobject: 'tx-0' (00000000fd4cc3c6): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ddcd6ae0): kobject_cleanup, parent (null) kobject: 'queues' (00000000ddcd6ae0): calling ktype release kobject: 'queues' (00000000ddcd6ae0): kset_release kobject: 'queues': free name kobject: 'nr0' (000000001b867655): kobject_uevent_env kobject: 'nr0' (000000001b867655): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'rx-0' (000000003baf7e21): kobject_cleanup, parent 0000000041a35e37 kobject: 'rx-0' (000000003baf7e21): auto cleanup 'remove' event kobject: 'rx-0' (000000003baf7e21): kobject_uevent_env kobject: 'rx-0' (000000003baf7e21): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000003baf7e21): auto cleanup kobject_del kobject: 'rx-0' (000000003baf7e21): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008236717e): kobject_cleanup, parent 0000000041a35e37 kobject: 'tx-0' (000000008236717e): auto cleanup 'remove' event kobject: 'tx-0' (000000008236717e): kobject_uevent_env kobject: 'tx-0' (000000008236717e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008236717e): auto cleanup kobject_del kobject: 'tx-0' (000000008236717e): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000041a35e37): kobject_cleanup, parent (null) kobject: 'queues' (0000000041a35e37): calling ktype release kobject: 'queues' (0000000041a35e37): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000a78bb2de): kobject_uevent_env kobject: 'ip6gre0' (00000000a78bb2de): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'batman_adv' (00000000583df95d): kobject_uevent_env kobject: 'batman_adv' (00000000583df95d): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000583df95d): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000583df95d): calling ktype release kobject: (00000000583df95d): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000004b6d82e0): kobject_cleanup, parent 0000000020c8b82b kobject: 'rx-0' (000000004b6d82e0): auto cleanup 'remove' event kobject: 'rx-0' (000000004b6d82e0): kobject_uevent_env kobject: 'rx-0' (000000004b6d82e0): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (000000004b6d82e0): auto cleanup kobject_del kobject: 'rx-0' (000000004b6d82e0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000fe8ca7a3): kobject_cleanup, parent 0000000020c8b82b kobject: 'tx-0' (00000000fe8ca7a3): auto cleanup 'remove' event kobject: 'tx-0' (00000000fe8ca7a3): kobject_uevent_env kobject: 'tx-0' (00000000fe8ca7a3): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (00000000fe8ca7a3): auto cleanup kobject_del kobject: 'tx-0' (00000000fe8ca7a3): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000020c8b82b): kobject_cleanup, parent (null) kobject: 'queues' (0000000020c8b82b): calling ktype release kobject: 'queues' (0000000020c8b82b): kset_release kobject: 'queues': free name kobject: 'syz_tun' (00000000716a320f): kobject_uevent_env kobject: 'syz_tun' (00000000716a320f): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'nr0' (0000000099bc3225): kobject_cleanup, parent (null) kobject: 'nr0' (000000001b867655): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000a78bb2de): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000a78bb2de): calling ktype release kobject: 'nr0' (0000000099bc3225): calling ktype release kobject: 'ip6gre0': free name kobject: 'syz_tun' (00000000716a320f): kobject_cleanup, parent (null) kobject: 'nr0' (000000001b867655): calling ktype release kobject: 'syz_tun' (00000000716a320f): calling ktype release kobject: 'syz_tun': free name kobject: 'nr0': free name kobject: 'rx-0' (00000000c0a35abe): kobject_cleanup, parent 000000007a0796c4 kobject: 'nr0': free name kobject: 'rx-0' (00000000c0a35abe): auto cleanup 'remove' event kobject: 'rx-0' (00000000c0a35abe): kobject_uevent_env kobject: 'rx-0' (00000000c0a35abe): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000c0a35abe): auto cleanup kobject_del kobject: 'rx-0' (00000000c0a35abe): calling ktype release kobject: 'rx-0': free name kobject: 'loop4' (00000000821a6349): kobject_uevent_env kobject: 'tx-0' (00000000e4152966): kobject_cleanup, parent 000000007a0796c4 kobject: 'loop4' (00000000821a6349): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000e4152966): auto cleanup 'remove' event kobject: 'tx-0' (00000000e4152966): kobject_uevent_env kobject: 'tx-0' (00000000e4152966): kobject_uevent_env: uevent_suppress caused the event to drop! FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'tx-0' (00000000e4152966): auto cleanup kobject_del kobject: 'tx-0' (00000000e4152966): calling ktype release CPU: 1 PID: 17681 Comm: syz-executor.3 Not tainted 4.19.53+ #25 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: 'tx-0': free name kobject: 'queues' (000000007a0796c4): kobject_cleanup, parent (null) __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+0x26c/0x710 mm/slab.c:3647 alloc_task_struct_node kernel/fork.c:157 [inline] dup_task_struct kernel/fork.c:802 [inline] copy_process.part.0+0x1ce0/0x7a30 kernel/fork.c:1732 kobject: 'queues' (000000007a0796c4): calling ktype release copy_process kernel/fork.c:1689 [inline] _do_fork+0x257/0xfd0 kernel/fork.c:2202 kobject: 'queues' (000000007a0796c4): kset_release __do_sys_clone kernel/fork.c:2309 [inline] __se_sys_clone kernel/fork.c:2303 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2303 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 kobject: 'queues': free name 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:00007ff33bd48c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ff33bd48c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000010062101 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff33bd496d4 R13: 00000000004bf72a R14: 00000000004d0e18 R15: 0000000000000003 kobject: 'loop1' (00000000b5fb6263): kobject_uevent_env kobject: 'loop1' (00000000b5fb6263): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000008a7025a6): kobject_uevent_env kobject: 'loop0' (000000008a7025a6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'ip6tnl0' (000000005fc96a54): kobject_uevent_env kobject: 'ip6tnl0' (000000005fc96a54): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (00000000edd0f0a0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (00000000edd0f0a0): kobject_uevent_env kobject: 'nr0' (00000000edd0f0a0): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (00000000e143c7e8): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop2' (000000001731b28b): kobject_uevent_env kobject: 'loop2' (000000001731b28b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (00000000e143c7e8): kobject_uevent_env kobject: 'queues' (00000000e143c7e8): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000001f71b1c2): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (000000009ab50ff9): kobject_uevent_env kobject: 'rx-0' (000000001f71b1c2): kobject_uevent_env kobject: 'loop3' (000000009ab50ff9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000001f71b1c2): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000a5a46b5b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (000000008a7025a6): kobject_uevent_env kobject: 'tx-0' (00000000a5a46b5b): kobject_uevent_env kobject: 'loop0' (000000008a7025a6): fill_kobj_path: path = '/devices/virtual/block/loop0' FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 kauditd_printk_skb: 194 callbacks suppressed audit: type=1400 audit(1561161521.094:9668): avc: denied { map } for pid=17704 comm="modprobe" path="/etc/ld.so.cache" dev="sda1" ino=2251 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (00000000a5a46b5b): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' CPU: 0 PID: 17707 Comm: syz-executor.3 Not tainted 4.19.53+ #25 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_fail_alloc_page mm/page_alloc.c:3078 [inline] prepare_alloc_pages mm/page_alloc.c:4336 [inline] __alloc_pages_nodemask+0x1ee/0x760 mm/page_alloc.c:4383 __alloc_pages include/linux/gfp.h:473 [inline] __alloc_pages_node include/linux/gfp.h:486 [inline] alloc_pages_node include/linux/gfp.h:500 [inline] alloc_thread_stack_node kernel/fork.c:241 [inline] dup_task_struct kernel/fork.c:806 [inline] copy_process.part.0+0x3e0/0x7a30 kernel/fork.c:1732 audit: type=1400 audit(1561161521.134:9669): avc: denied { map } for pid=17702 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 copy_process kernel/fork.c:1689 [inline] _do_fork+0x257/0xfd0 kernel/fork.c:2202 audit: type=1400 audit(1561161521.134:9670): avc: denied { map } for pid=17702 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 __do_sys_clone kernel/fork.c:2309 [inline] __se_sys_clone kernel/fork.c:2303 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2303 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 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 audit: type=1400 audit(1561161521.184:9671): avc: denied { map } for pid=17704 comm="modprobe" path="/lib/x86_64-linux-gnu/libkmod.so.2.1.3" dev="sda1" ino=2811 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 RSP: 002b:00007ff33bd48c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ff33bd48c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000010062101 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff33bd496d4 R13: 00000000004bf72a R14: 00000000004d0e18 R15: 0000000000000003 kobject: 'batman_adv' (0000000086aca82d): kobject_add_internal: parent: 'nr0', set: '' kobject: 'batman_adv' (0000000086aca82d): kobject_uevent_env kobject: 'batman_adv' (0000000086aca82d): kobject_uevent_env: filter function caused the event to drop! audit: type=1400 audit(1561161521.184:9672): avc: denied { map } for pid=17704 comm="modprobe" path="/lib/x86_64-linux-gnu/libkmod.so.2.1.3" dev="sda1" ino=2811 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'batman_adv' (0000000086aca82d): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000086aca82d): calling ktype release kobject: (0000000086aca82d): dynamic_kobj_release audit: type=1400 audit(1561161521.184:9673): avc: denied { map } for pid=17704 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'batman_adv': free name audit: type=1400 audit(1561161521.184:9674): avc: denied { map } for pid=17704 comm="modprobe" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'rx-0' (000000001f71b1c2): kobject_cleanup, parent 00000000e143c7e8 kobject: 'loop2' (000000001731b28b): kobject_uevent_env kobject: 'rx-0' (000000001f71b1c2): auto cleanup 'remove' event kobject: 'rx-0' (000000001f71b1c2): kobject_uevent_env kobject: 'loop2' (000000001731b28b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000001f71b1c2): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' audit: type=1400 audit(1561161521.424:9675): avc: denied { map } for pid=17702 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'rx-0' (000000001f71b1c2): auto cleanup kobject_del CPU: 1 PID: 17714 Comm: syz-executor.3 Not tainted 4.19.53+ #25 audit: type=1400 audit(1561161521.434:9676): avc: denied { map } for pid=17702 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 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: 'rx-0' (000000001f71b1c2): calling ktype release kobject: 'rx-0': free name __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 kobject: 'tx-0' (00000000a5a46b5b): kobject_cleanup, parent 00000000e143c7e8 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2ae/0x700 mm/slab.c:3557 audit: type=1400 audit(1561161521.454:9677): avc: denied { map } for pid=17709 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (00000000a5a46b5b): auto cleanup 'remove' event prepare_creds+0x3e/0x3c0 kernel/cred.c:252 copy_creds+0x7b/0x570 kernel/cred.c:344 kobject: 'tx-0' (00000000a5a46b5b): kobject_uevent_env copy_process.part.0+0xb54/0x7a30 kernel/fork.c:1765 kobject: 'tx-0' (00000000a5a46b5b): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000a5a46b5b): auto cleanup kobject_del kobject: 'tx-0' (00000000a5a46b5b): calling ktype release copy_process kernel/fork.c:1689 [inline] _do_fork+0x257/0xfd0 kernel/fork.c:2202 kobject: 'tx-0': free name __do_sys_clone kernel/fork.c:2309 [inline] __se_sys_clone kernel/fork.c:2303 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2303 kobject: 'queues' (00000000e143c7e8): kobject_cleanup, parent (null) do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4592c9 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:00007ff33bd48c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 kobject: 'queues' (00000000e143c7e8): calling ktype release RAX: ffffffffffffffda RBX: 00007ff33bd48c90 RCX: 00000000004592c9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000010062101 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff33bd496d4 R13: 00000000004bf72a R14: 00000000004d0e18 R15: 0000000000000003 kobject: 'loop0' (000000008a7025a6): kobject_uevent_env kobject: 'loop0' (000000008a7025a6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000009ab50ff9): kobject_uevent_env kobject: 'loop3' (000000009ab50ff9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (00000000e143c7e8): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000edd0f0a0): kobject_uevent_env kobject: 'nr0' (00000000edd0f0a0): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (000000000e017a47): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (000000000e017a47): kobject_uevent_env kobject: 'nr0' (000000000e017a47): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (0000000064d058f6): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (0000000064d058f6): kobject_uevent_env kobject: 'queues' (0000000064d058f6): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000185897bb): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000185897bb): kobject_uevent_env kobject: 'rx-0' (00000000185897bb): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (000000004ebd9813): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004ebd9813): kobject_uevent_env kobject: 'tx-0' (000000004ebd9813): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000b1f709dc): kobject_add_internal: parent: 'nr0', set: '' kobject: 'batman_adv' (00000000b1f709dc): kobject_uevent_env kobject: 'batman_adv' (00000000b1f709dc): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000b1f709dc): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000b1f709dc): calling ktype release kobject: (00000000b1f709dc): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000185897bb): kobject_cleanup, parent 0000000064d058f6 kobject: 'rx-0' (00000000185897bb): auto cleanup 'remove' event kobject: 'rx-0' (00000000185897bb): kobject_uevent_env kobject: 'rx-0' (00000000185897bb): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000185897bb): auto cleanup kobject_del kobject: 'rx-0' (00000000185897bb): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004ebd9813): kobject_cleanup, parent 0000000064d058f6 kobject: 'tx-0' (000000004ebd9813): auto cleanup 'remove' event kobject: 'tx-0' (000000004ebd9813): kobject_uevent_env kobject: 'tx-0' (000000004ebd9813): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (000000004ebd9813): auto cleanup kobject_del kobject: 'tx-0' (000000004ebd9813): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000064d058f6): kobject_cleanup, parent (null) kobject: 'queues' (0000000064d058f6): calling ktype release kobject: 'queues' (0000000064d058f6): kset_release kobject: 'queues': free name kobject: 'nr0' (000000000e017a47): kobject_uevent_env kobject: 'nr0' (000000000e017a47): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'ip6tnl0' (000000005fc96a54): kobject_cleanup, parent (null) kobject: 'nr0' (00000000edd0f0a0): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (000000005fc96a54): calling ktype release kobject: 'nr0' (00000000edd0f0a0): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (000000008b86f56f): kobject_cleanup, parent 0000000097d99217 kobject: 'rx-0' (000000008b86f56f): auto cleanup 'remove' event kobject: 'nr0': free name kobject: 'rx-0' (000000008b86f56f): kobject_uevent_env kobject: 'rx-0' (000000008b86f56f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000008b86f56f): auto cleanup kobject_del kobject: 'rx-0' (000000008b86f56f): calling ktype release kobject: 'loop4' (00000000821a6349): kobject_uevent_env kobject: 'rx-0': free name kobject: 'loop4' (00000000821a6349): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000f072cea9): kobject_cleanup, parent 0000000097d99217 kobject: 'tx-0' (00000000f072cea9): auto cleanup 'remove' event kobject: 'tx-0' (00000000f072cea9): kobject_uevent_env kobject: 'tx-0' (00000000f072cea9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000f072cea9): auto cleanup kobject_del kobject: 'tx-0' (00000000f072cea9): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000097d99217): kobject_cleanup, parent (null) kobject: 'queues' (0000000097d99217): calling ktype release kobject: 'queues' (0000000097d99217): kset_release kobject: 'queues': free name kobject: 'sit0' (000000004ea6094f): kobject_uevent_env kobject: 'sit0' (000000004ea6094f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (000000000e017a47): kobject_cleanup, parent (null) IPVS: ftp: loaded support on port[0] = 21 kobject: 'nr0' (000000000e017a47): calling ktype release kobject: 'nr0': free name kobject: 'lo' (0000000061cddcf2): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'lo' (0000000061cddcf2): kobject_uevent_env kobject: 'lo' (0000000061cddcf2): fill_kobj_path: path = '/devices/virtual/net/lo' kobject: 'queues' (00000000a117dee4): kobject_add_internal: parent: 'lo', set: '' kobject: 'queues' (00000000a117dee4): kobject_uevent_env kobject: 'queues' (00000000a117dee4): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000e507496b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000e507496b): kobject_uevent_env kobject: 'rx-0' (00000000e507496b): fill_kobj_path: path = '/devices/virtual/net/lo/queues/rx-0' kobject: 'loop1' (00000000b5fb6263): kobject_uevent_env kobject: 'tx-0' (00000000cab20806): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000b5fb6263): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000cab20806): kobject_uevent_env kobject: 'tx-0' (00000000cab20806): fill_kobj_path: path = '/devices/virtual/net/lo/queues/tx-0' kobject: 'sit0' (000000004ea6094f): kobject_cleanup, parent (null) kobject: 'tunl0' (0000000093e12b75): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'sit0' (000000004ea6094f): calling ktype release kobject: 'sit0': free name kobject: 'tunl0' (0000000093e12b75): kobject_uevent_env kobject: 'tunl0' (0000000093e12b75): fill_kobj_path: path = '/devices/virtual/net/tunl0' kobject: 'queues' (0000000003d8f28e): kobject_add_internal: parent: 'tunl0', set: '' kobject: 'queues' (0000000003d8f28e): kobject_uevent_env kobject: 'queues' (0000000003d8f28e): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000007962da95): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000007962da95): kobject_uevent_env kobject: 'rx-0' (000000007962da95): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/rx-0' kobject: 'tx-0' (0000000046ffed07): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000046ffed07): kobject_uevent_env kobject: 'tx-0' (0000000046ffed07): fill_kobj_path: path = '/devices/virtual/net/tunl0/queues/tx-0' kobject: 'gre0' (000000000a462e38): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop0' (000000008a7025a6): kobject_uevent_env kobject: 'gre0' (000000000a462e38): kobject_uevent_env kobject: 'gre0' (000000000a462e38): fill_kobj_path: path = '/devices/virtual/net/gre0' kobject: 'loop0' (000000008a7025a6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (000000009a6d8c5d): kobject_add_internal: parent: 'gre0', set: '' kobject: 'queues' (000000009a6d8c5d): kobject_uevent_env kobject: 'queues' (000000009a6d8c5d): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000004d2d99ef): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000004d2d99ef): kobject_uevent_env kobject: 'rx-0' (000000004d2d99ef): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/rx-0' kobject: 'tx-0' (00000000afc7828f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000afc7828f): kobject_uevent_env kobject: 'loop1' (00000000b5fb6263): kobject_uevent_env kobject: 'tx-0' (00000000afc7828f): fill_kobj_path: path = '/devices/virtual/net/gre0/queues/tx-0' kobject: 'loop1' (00000000b5fb6263): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000a231ab3c): kobject_cleanup, parent 0000000073114c3d kobject: 'rx-0' (00000000a231ab3c): auto cleanup 'remove' event kobject: 'rx-0' (00000000a231ab3c): kobject_uevent_env kobject: 'rx-0' (00000000a231ab3c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000a231ab3c): auto cleanup kobject_del kobject: 'rx-0' (00000000a231ab3c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000007d50a5e9): kobject_cleanup, parent 0000000073114c3d kobject: 'tx-0' (000000007d50a5e9): auto cleanup 'remove' event kobject: 'tx-0' (000000007d50a5e9): kobject_uevent_env kobject: 'tx-0' (000000007d50a5e9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000007d50a5e9): auto cleanup kobject_del kobject: 'tx-0' (000000007d50a5e9): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000073114c3d): kobject_cleanup, parent (null) kobject: 'queues' (0000000073114c3d): calling ktype release kobject: 'queues' (0000000073114c3d): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000c418c7f5): kobject_uevent_env kobject: 'ip6_vti0' (00000000c418c7f5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gretap0' (00000000c6f25a99): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gretap0' (00000000c6f25a99): kobject_uevent_env kobject: 'gretap0' (00000000c6f25a99): fill_kobj_path: path = '/devices/virtual/net/gretap0' kobject: 'queues' (00000000123a0b5b): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'queues' (00000000123a0b5b): kobject_uevent_env kobject: 'queues' (00000000123a0b5b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000dcffd1f4): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000dcffd1f4): kobject_uevent_env kobject: 'rx-0' (00000000dcffd1f4): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/rx-0' kobject: 'tx-0' (000000000df82550): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000000df82550): kobject_uevent_env kobject: 'tx-0' (000000000df82550): fill_kobj_path: path = '/devices/virtual/net/gretap0/queues/tx-0' kobject: 'batman_adv' (00000000ae1b261e): kobject_add_internal: parent: 'gretap0', set: '' kobject: 'erspan0' (00000000d4c1d42d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'erspan0' (00000000d4c1d42d): kobject_uevent_env kobject: 'erspan0' (00000000d4c1d42d): fill_kobj_path: path = '/devices/virtual/net/erspan0' kobject: 'queues' (00000000570971b7): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'queues' (00000000570971b7): kobject_uevent_env kobject: 'queues' (00000000570971b7): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000006ad7cd16): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000006ad7cd16): kobject_uevent_env kobject: 'rx-0' (000000006ad7cd16): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/rx-0' kobject: 'tx-0' (000000000c16fc7d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000000c16fc7d): kobject_uevent_env kobject: 'tx-0' (000000000c16fc7d): fill_kobj_path: path = '/devices/virtual/net/erspan0/queues/tx-0' kobject: 'batman_adv' (000000006709a86d): kobject_add_internal: parent: 'erspan0', set: '' kobject: 'ip6_vti0' (00000000c418c7f5): kobject_cleanup, parent (null) kobject: 'ip_vti0' (00000000fba604d6): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6_vti0' (00000000c418c7f5): calling ktype release kobject: 'ip_vti0' (00000000fba604d6): kobject_uevent_env kobject: 'ip6_vti0': free name kobject: 'ip_vti0' (00000000fba604d6): fill_kobj_path: path = '/devices/virtual/net/ip_vti0' kobject: 'queues' (00000000077ec0be): kobject_add_internal: parent: 'ip_vti0', set: '' kobject: 'queues' (00000000077ec0be): kobject_uevent_env kobject: 'queues' (00000000077ec0be): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000052431041): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000052431041): kobject_uevent_env kobject: 'rx-0' (0000000052431041): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/rx-0' kobject: 'tx-0' (00000000e8c45ca8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000e8c45ca8): kobject_uevent_env kobject: 'tx-0' (00000000e8c45ca8): fill_kobj_path: path = '/devices/virtual/net/ip_vti0/queues/tx-0' kobject: 'rx-0' (00000000b5f491b2): kobject_cleanup, parent 000000009e341aee kobject: 'rx-0' (00000000b5f491b2): auto cleanup 'remove' event kobject: 'rx-0' (00000000b5f491b2): kobject_uevent_env kobject: 'rx-0' (00000000b5f491b2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000b5f491b2): auto cleanup kobject_del kobject: 'rx-0' (00000000b5f491b2): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004a67f501): kobject_cleanup, parent 000000009e341aee kobject: 'tx-0' (000000004a67f501): auto cleanup 'remove' event kobject: 'tx-0' (000000004a67f501): kobject_uevent_env kobject: 'tx-0' (000000004a67f501): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004a67f501): auto cleanup kobject_del kobject: 'tx-0' (000000004a67f501): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000009e341aee): kobject_cleanup, parent (null) kobject: 'queues' (000000009e341aee): calling ktype release kobject: 'queues' (000000009e341aee): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (00000000951cc640): kobject_uevent_env kobject: 'ip_vti0' (00000000951cc640): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (00000000560bbba8): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip6_vti0' (00000000560bbba8): kobject_uevent_env kobject: 'ip6_vti0' (00000000560bbba8): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0' kobject: 'queues' (00000000fb5e91f1): kobject_add_internal: parent: 'ip6_vti0', set: '' kobject: 'queues' (00000000fb5e91f1): kobject_uevent_env kobject: 'queues' (00000000fb5e91f1): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000a3e67b8e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000a3e67b8e): kobject_uevent_env kobject: 'rx-0' (00000000a3e67b8e): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/rx-0' kobject: 'tx-0' (00000000e5e1020b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000e5e1020b): kobject_uevent_env kobject: 'tx-0' (00000000e5e1020b): fill_kobj_path: path = '/devices/virtual/net/ip6_vti0/queues/tx-0' kobject: 'ip_vti0' (00000000951cc640): kobject_cleanup, parent (null) kobject: 'sit0' (00000000c276f31a): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip_vti0' (00000000951cc640): calling ktype release kobject: 'sit0' (00000000c276f31a): kobject_uevent_env kobject: 'ip_vti0': free name