====================================================== WARNING: possible circular locking dependency detected 4.19.37 #5 Not tainted ------------------------------------------------------ syz-executor.3/19394 is trying to acquire lock: 00000000ab38b277 (&acct->lock#2){+.+.}, at: acct_pin_kill+0x27/0x100 kernel/acct.c:173 but task is already holding lock: 00000000f57d7fbb (sb_writers#4){.+.+}, at: sb_start_write include/linux/fs.h:1569 [inline] 00000000f57d7fbb (sb_writers#4){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:360 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (sb_writers#4){.+.+}: percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x20b/0x360 fs/super.c:1387 sb_start_write include/linux/fs.h:1569 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:360 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_setattr+0xdd/0x950 fs/overlayfs/inode.c:30 notify_change+0xad9/0xfb0 fs/attr.c:334 do_truncate+0x158/0x220 fs/open.c:63 handle_truncate fs/namei.c:3008 [inline] do_last fs/namei.c:3424 [inline] path_openat+0x2cc6/0x4690 fs/namei.c:3534 do_filp_open+0x1a1/0x280 fs/namei.c:3564 do_sys_open+0x3fe/0x550 fs/open.c:1069 __do_sys_openat fs/open.c:1096 [inline] __se_sys_openat fs/open.c:1090 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1090 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&ovl_i_mutex_key[depth]){+.+.}: down_write+0x38/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:738 [inline] ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 call_write_iter include/linux/fs.h:1811 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x58e/0x820 fs/read_write.c:487 __kernel_write+0x110/0x390 fs/read_write.c:506 do_acct_process+0xd37/0x1150 kernel/acct.c:520 slow_acct_process kernel/acct.c:579 [inline] acct_process+0x568/0x61e kernel/acct.c:605 do_exit+0x17c0/0x2fa0 kernel/exit.c:866 do_group_exit+0x135/0x370 kernel/exit.c:979 get_signal+0x399/0x1d50 kernel/signal.c:2572 do_signal+0x95/0x1950 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&acct->lock#2){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 acct_pin_kill+0x27/0x100 kernel/acct.c:173 pin_kill+0x18f/0x860 fs/fs_pin.c:50 acct_on+0x574/0x790 kernel/acct.c:254 __do_sys_acct kernel/acct.c:286 [inline] __se_sys_acct kernel/acct.c:273 [inline] __x64_sys_acct+0xae/0x200 kernel/acct.c:273 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &acct->lock#2 --> &ovl_i_mutex_key[depth] --> sb_writers#4 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sb_writers#4); lock(&ovl_i_mutex_key[depth]); lock(sb_writers#4); lock(&acct->lock#2); *** DEADLOCK *** 2 locks held by syz-executor.3/19394: #0: 00000000c528b2d4 (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline] #0: 00000000c528b2d4 (acct_on_mutex){+.+.}, at: __se_sys_acct kernel/acct.c:273 [inline] #0: 00000000c528b2d4 (acct_on_mutex){+.+.}, at: __x64_sys_acct+0xa6/0x200 kernel/acct.c:273 #1: 00000000f57d7fbb (sb_writers#4){.+.+}, at: sb_start_write include/linux/fs.h:1569 [inline] #1: 00000000f57d7fbb (sb_writers#4){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:360 stack backtrace: CPU: 1 PID: 19394 Comm: syz-executor.3 Not tainted 4.19.37 #5 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_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e6d/0x48f0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 acct_pin_kill+0x27/0x100 kernel/acct.c:173 pin_kill+0x18f/0x860 fs/fs_pin.c:50 acct_on+0x574/0x790 kernel/acct.c:254 __do_sys_acct kernel/acct.c:286 [inline] __se_sys_acct kernel/acct.c:273 [inline] __x64_sys_acct+0xae/0x200 kernel/acct.c:273 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f035de7bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200002c0 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f035de7c6d4 R13: 00000000004becd2 R14: 00000000004cfa50 R15: 00000000ffffffff kobject: 'tun0' (00000000f4129216): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (00000000f4129216): kobject_uevent_env kobject: 'tun0' (00000000f4129216): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (0000000011cd9aad): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (0000000011cd9aad): kobject_uevent_env kobject: 'queues' (0000000011cd9aad): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000a8c99085): kobject_add_internal: parent: 'queues', set: 'queues' overlayfs: failed to resolve './file1': -2 Process accounting resumed Process accounting resumed kobject: 'rx-0' (00000000a8c99085): kobject_uevent_env kobject: 'rx-0' (00000000a8c99085): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (00000000f7d09f53): kobject_add_internal: parent: 'queues', set: 'queues' syz-executor.2 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 overlayfs: failed to resolve './file1': -2 syz-executor.2 cpuset= kobject: 'tx-0' (00000000f7d09f53): kobject_uevent_env syz2 mems_allowed=0-1 CPU: 0 PID: 19411 Comm: syz-executor.2 Not tainted 4.19.37 #5 kobject: 'tx-0' (00000000f7d09f53): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-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 dump_header+0x15e/0x929 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x6f5 mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 mem_cgroup_out_of_memory+0x1d2/0x240 mm/memcontrol.c:1397 mem_cgroup_oom mm/memcontrol.c:1723 [inline] try_charge+0x1028/0x15b0 mm/memcontrol.c:2285 memcg_kmem_charge_memcg+0x7c/0x130 mm/memcontrol.c:2615 memcg_kmem_charge+0x136/0x300 mm/memcontrol.c:2648 __alloc_pages_nodemask+0x3c6/0x760 mm/page_alloc.c:4413 __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+0x3e0/0x7970 kernel/fork.c:1707 copy_process kernel/fork.c:1664 [inline] _do_fork+0x257/0xfe0 kernel/fork.c:2175 __do_sys_clone kernel/fork.c:2282 [inline] __se_sys_clone kernel/fork.c:2276 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2276 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b779 Code: ff 48 85 f6 0f 84 d7 8e fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8e fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 RSP: 002b:00007ffcd3707e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f714eb51700 RCX: 000000000045b779 RDX: 00007f714eb519d0 RSI: 00007f714eb50db0 RDI: 00000000003d0f00 RBP: 00007ffcd3708020 R08: 00007f714eb51700 R09: 00007f714eb51700 R10: 00007f714eb519d0 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffcd3707ebf R14: 00007f714eb519c0 R15: 000000000073bf0c kobject: 'rx-0' (00000000a8c99085): kobject_cleanup, parent 0000000011cd9aad Task in /syz2 killed as a result of limit of /syz2 memory: usage 307168kB, limit 307200kB, failcnt 336 kobject: 'rx-0' (00000000a8c99085): auto cleanup 'remove' event memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 Memory cgroup stats for /syz2: cache:76KB rss:263920KB rss_huge:245760KB shmem:56KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:264100KB inactive_file:4KB active_file:0KB unevictable:0KB kobject: 'rx-0' (00000000a8c99085): kobject_uevent_env Memory cgroup out of memory: Kill process 32101 (syz-executor.2) score 1113 or sacrifice child Killed process 32101 (syz-executor.2) total-vm:72716kB, anon-rss:2220kB, file-rss:35780kB, shmem-rss:0kB kobject: 'rx-0' (00000000a8c99085): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000a8c99085): auto cleanup kobject_del kobject: 'rx-0' (00000000a8c99085): calling ktype release kobject: 'rx-0': free name kauditd_printk_skb: 34 callbacks suppressed audit: type=1400 audit(2748.972:3815): avc: denied { map } for pid=19431 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (00000000f7d09f53): kobject_cleanup, parent 0000000011cd9aad audit: type=1400 audit(2748.992:3816): avc: denied { map } for pid=19431 comm="modprobe" path="/bin/kmod" dev="sda1" ino=1440 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (00000000f7d09f53): auto cleanup 'remove' event audit: type=1400 audit(2749.022:3817): avc: denied { map } for pid=19431 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (00000000f7d09f53): kobject_uevent_env kobject: 'tx-0' (00000000f7d09f53): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' audit: type=1400 audit(2749.022:3818): avc: denied { map } for pid=19431 comm="modprobe" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (00000000f7d09f53): auto cleanup kobject_del audit: type=1400 audit(2749.032:3819): avc: denied { map } for pid=19431 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 audit: type=1400 audit(2749.042:3820): avc: denied { map } for pid=19431 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: 'tx-0' (00000000f7d09f53): calling ktype release audit: type=1400 audit(2749.042:3821): avc: denied { map } for pid=19431 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 audit: type=1400 audit(2749.042:3822): avc: denied { create } for pid=19427 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'tx-0': free name kobject: 'queues' (0000000011cd9aad): kobject_cleanup, parent (null) audit: type=1400 audit(2749.042:3823): avc: denied { write } for pid=19427 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'queues' (0000000011cd9aad): calling ktype release kobject: 'queues' (0000000011cd9aad): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000f4129216): kobject_uevent_env audit: type=1400 audit(2749.042:3824): avc: denied { read } for pid=19427 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 kobject: 'tun0' (00000000f4129216): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'brif' (0000000096c01e26): kobject_cleanup, parent 00000000b359f9a6 syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=0 overlayfs: failed to resolve './file1': -2 syz-executor.2 cpuset=syz2 mems_allowed=0-1 kobject: 'brif' (0000000096c01e26): auto cleanup kobject_del CPU: 1 PID: 19447 Comm: syz-executor.2 Not tainted 4.19.37 #5 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 dump_header+0x15e/0x929 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x6f5 mm/oom_kill.c:954 kobject: 'brif' (0000000096c01e26): calling ktype release kobject: (0000000096c01e26): dynamic_kobj_release out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 kobject: 'brif': free name mem_cgroup_out_of_memory+0x1d2/0x240 mm/memcontrol.c:1397 mem_cgroup_oom mm/memcontrol.c:1723 [inline] try_charge+0x1028/0x15b0 mm/memcontrol.c:2285 mem_cgroup_try_charge+0x24d/0x5e0 mm/memcontrol.c:5953 mem_cgroup_try_charge_delay+0x1f/0xa0 mm/memcontrol.c:5968 wp_page_copy+0x430/0x16a0 mm/memory.c:2514 do_wp_page+0x57d/0x10b0 mm/memory.c:2793 handle_pte_fault mm/memory.c:4051 [inline] __handle_mm_fault+0x230a/0x3f80 mm/memory.c:4159 handle_mm_fault+0x43f/0xb30 mm/memory.c:4196 __do_page_fault+0x62a/0xe90 arch/x86/mm/fault.c:1395 do_page_fault+0x71/0x581 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1165 RIP: 0033:0x4573ae Code: 00 00 85 c0 41 89 c5 0f 85 fc 00 00 00 64 8b 04 25 d0 02 00 00 41 39 c4 0f 84 12 02 00 00 48 8b 05 97 f3 5f 00 48 85 c0 74 04 <48> 83 00 04 64 8b 04 25 d0 02 00 00 64 89 04 25 d4 02 00 00 0f 31 RSP: 002b:00007ffcd37080a0 EFLAGS: 00010206 RAX: 0000000000a56248 RBX: 00007ffcd37080a0 RCX: 000000000045737a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffcd37080e0 R08: 0000000000000001 R09: 00000000017ae940 R10: 00000000017aec10 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffcd3708130 kobject: 'batman_adv' (000000001ad9e328): kobject_uevent_env Task in /syz2 killed as a result of limit of /syz2 memory: usage 307200kB, limit 307200kB, failcnt 376 memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 kobject: 'batman_adv' (000000001ad9e328): kobject_uevent_env: filter function caused the event to drop! kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 Memory cgroup stats for /syz2: cache:76KB rss:263896KB rss_huge:245760KB shmem:56KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:0KB active_anon:264044KB inactive_file:0KB active_file:0KB unevictable:0KB kobject: 'batman_adv' (000000001ad9e328): kobject_cleanup, parent (null) Memory cgroup out of memory: Kill process 4326 (syz-executor.2) score 1113 or sacrifice child Killed process 4326 (syz-executor.2) total-vm:72584kB, anon-rss:2212kB, file-rss:35788kB, shmem-rss:0kB kobject: 'batman_adv' (000000001ad9e328): calling ktype release kobject: (000000001ad9e328): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000004804cd9c): kobject_cleanup, parent 00000000de4ee76e kobject: 'rx-0' (000000004804cd9c): auto cleanup 'remove' event kobject: 'rx-0' (000000004804cd9c): kobject_uevent_env kobject: 'rx-0' (000000004804cd9c): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kobject: 'rx-0' (000000004804cd9c): auto cleanup kobject_del kobject: 'rx-0' (000000004804cd9c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000007f991579): kobject_cleanup, parent 00000000de4ee76e kobject: 'tx-0' (000000007f991579): auto cleanup 'remove' event kobject: 'tx-0' (000000007f991579): kobject_uevent_env kobject: 'tx-0' (000000007f991579): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'tx-0' (000000007f991579): auto cleanup kobject_del kobject: 'tx-0' (000000007f991579): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000de4ee76e): kobject_cleanup, parent (null) kobject: 'queues' (00000000de4ee76e): calling ktype release kobject: 'queues' (00000000de4ee76e): kset_release kobject: 'queues': free name kobject: 'þ€' (00000000b359f9a6): kobject_uevent_env kobject: 'þ€' (00000000b359f9a6): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'tun0' (0000000084f5b554): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (0000000084f5b554): kobject_uevent_env kobject: 'tun0' (0000000084f5b554): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (00000000832a8344): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (00000000832a8344): kobject_uevent_env kobject: 'queues' (00000000832a8344): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000b02e4f49): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000b02e4f49): kobject_uevent_env kobject: 'rx-0' (00000000b02e4f49): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (00000000a929743d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000a929743d): kobject_uevent_env kobject: 'tx-0' (00000000a929743d): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (00000000b02e4f49): kobject_cleanup, parent 00000000832a8344 kobject: 'rx-0' (00000000b02e4f49): auto cleanup 'remove' event kobject: 'rx-0' (00000000b02e4f49): kobject_uevent_env kobject: 'rx-0' (00000000b02e4f49): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000b02e4f49): auto cleanup kobject_del kobject: 'rx-0' (00000000b02e4f49): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a929743d): kobject_cleanup, parent 00000000832a8344 kobject: 'tx-0' (00000000a929743d): auto cleanup 'remove' event kobject: 'tx-0' (00000000a929743d): kobject_uevent_env kobject: 'tx-0' (00000000a929743d): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (00000000a929743d): auto cleanup kobject_del kobject: 'tx-0' (00000000a929743d): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000832a8344): kobject_cleanup, parent (null) kobject: 'queues' (00000000832a8344): calling ktype release kobject: 'queues' (00000000832a8344): kset_release kobject: 'queues': free name kobject: 'tun0' (0000000084f5b554): kobject_uevent_env kobject: 'tun0' (0000000084f5b554): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000f4129216): kobject_cleanup, parent (null) kobject: 'þ€' (00000000b359f9a6): kobject_cleanup, parent (null) kobject: 'þ€' (00000000b359f9a6): calling ktype release kobject: 'tun0' (00000000f4129216): calling ktype release kobject: 'tun0': free name kobject: 'þ€': free name kobject: 'þ€' (0000000045eab39b): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'þ€' (0000000045eab39b): kobject_uevent_env kobject: 'þ€' (0000000045eab39b): fill_kobj_path: path = '/devices/virtual/net/þ€' kobject: 'queues' (000000008c22c20d): kobject_add_internal: parent: 'þ€', set: '' kobject: 'queues' (000000008c22c20d): kobject_uevent_env kobject: 'queues' (000000008c22c20d): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000affcfd64): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000affcfd64): kobject_uevent_env kobject: 'rx-0' (00000000affcfd64): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/rx-0' kobject: 'tx-0' (00000000823200e7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000823200e7): kobject_uevent_env kobject: 'tx-0' (00000000823200e7): fill_kobj_path: path = '/devices/virtual/net/þ€/queues/tx-0' kobject: 'brif' (0000000010d4b56d): kobject_add_internal: parent: 'þ€', set: '' kobject: 'batman_adv' (00000000392ee297): kobject_add_internal: parent: 'þ€', set: '' kobject: 'tun0' (0000000084f5b554): kobject_cleanup, parent (null) kobject: 'tun0' (0000000084f5b554): calling ktype release kobject: 'tun0': free name kobject: 'loop5' (000000007adbb39e): kobject_uevent_env kobject: 'loop5' (000000007adbb39e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (00000000e59c987f): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (00000000e59c987f): kobject_uevent_env kobject: 'tun0' (00000000e59c987f): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (00000000ae551e4d): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (00000000ae551e4d): kobject_uevent_env kobject: 'queues' (00000000ae551e4d): kobject_uevent_env: filter function caused the event to drop! overlayfs: failed to resolve './file1': -2 kobject: 'rx-0' (00000000b50a0af7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000b50a0af7): kobject_uevent_env kobject: 'rx-0' (00000000b50a0af7): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (00000000d9bd7845): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000d9bd7845): kobject_uevent_env kobject: 'tx-0' (00000000d9bd7845): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (00000000b50a0af7): kobject_cleanup, parent 00000000ae551e4d kobject: 'rx-0' (00000000b50a0af7): auto cleanup 'remove' event kobject: 'rx-0' (00000000b50a0af7): kobject_uevent_env kobject: 'rx-0' (00000000b50a0af7): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000b50a0af7): auto cleanup kobject_del kobject: 'rx-0' (00000000b50a0af7): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000d9bd7845): kobject_cleanup, parent 00000000ae551e4d kobject: 'tx-0' (00000000d9bd7845): auto cleanup 'remove' event kobject: 'tx-0' (00000000d9bd7845): kobject_uevent_env kobject: 'tx-0' (00000000d9bd7845): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (00000000d9bd7845): auto cleanup kobject_del kobject: 'tx-0' (00000000d9bd7845): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ae551e4d): kobject_cleanup, parent (null) kobject: 'queues' (00000000ae551e4d): calling ktype release kobject: 'queues' (00000000ae551e4d): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000e59c987f): kobject_uevent_env kobject: 'tun0' (00000000e59c987f): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000e59c987f): kobject_cleanup, parent (null) kobject: 'tun0' (00000000e59c987f): calling ktype release kobject: 'tun0': free name kobject: 'loop5' (000000007adbb39e): kobject_uevent_env kobject: 'loop5' (000000007adbb39e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (00000000e8912372): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (00000000e8912372): kobject_uevent_env kobject: 'tun0' (00000000e8912372): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (000000009f5e7434): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (000000009f5e7434): kobject_uevent_env kobject: 'queues' (000000009f5e7434): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000003c68f7fb): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000003c68f7fb): kobject_uevent_env overlayfs: failed to resolve './file1': -2 kobject: 'rx-0' (000000003c68f7fb): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (000000002e8142a0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000002e8142a0): kobject_uevent_env kobject: 'tx-0' (000000002e8142a0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (000000003c68f7fb): kobject_cleanup, parent 000000009f5e7434 kobject: 'rx-0' (000000003c68f7fb): auto cleanup 'remove' event kobject: 'rx-0' (000000003c68f7fb): kobject_uevent_env kobject: 'rx-0' (000000003c68f7fb): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (000000003c68f7fb): auto cleanup kobject_del kobject: 'rx-0' (000000003c68f7fb): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000002e8142a0): kobject_cleanup, parent 000000009f5e7434 kobject: 'tx-0' (000000002e8142a0): auto cleanup 'remove' event kobject: 'tx-0' (000000002e8142a0): kobject_uevent_env kobject: 'tx-0' (000000002e8142a0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (000000002e8142a0): auto cleanup kobject_del kobject: 'tx-0' (000000002e8142a0): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000009f5e7434): kobject_cleanup, parent (null) kobject: 'queues' (000000009f5e7434): calling ktype release kobject: 'queues' (000000009f5e7434): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000e8912372): kobject_uevent_env kobject: 'tun0' (00000000e8912372): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000e8912372): kobject_cleanup, parent (null) kobject: 'tun0' (00000000e8912372): calling ktype release kobject: 'tun0': free name kobject: 'tun0' (000000004c4fac29): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (000000004c4fac29): kobject_uevent_env kobject: 'tun0' (000000004c4fac29): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (00000000891bc30d): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (00000000891bc30d): kobject_uevent_env kobject: 'queues' (00000000891bc30d): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000c10014ef): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000c10014ef): kobject_uevent_env kobject: 'rx-0' (00000000c10014ef): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (00000000e96fb4e0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000e96fb4e0): kobject_uevent_env kobject: 'tx-0' (00000000e96fb4e0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (00000000c10014ef): kobject_cleanup, parent 00000000891bc30d kobject: 'rx-0' (00000000c10014ef): auto cleanup 'remove' event kobject: 'rx-0' (00000000c10014ef): kobject_uevent_env kobject: 'rx-0' (00000000c10014ef): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000c10014ef): auto cleanup kobject_del kobject: 'rx-0' (00000000c10014ef): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000e96fb4e0): kobject_cleanup, parent 00000000891bc30d kobject: 'tx-0' (00000000e96fb4e0): auto cleanup 'remove' event kobject: 'tx-0' (00000000e96fb4e0): kobject_uevent_env kobject: 'tx-0' (00000000e96fb4e0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (00000000e96fb4e0): auto cleanup kobject_del kobject: 'tx-0' (00000000e96fb4e0): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000891bc30d): kobject_cleanup, parent (null) kobject: 'queues' (00000000891bc30d): calling ktype release kobject: 'queues' (00000000891bc30d): kset_release kobject: 'queues': free name kobject: 'tun0' (000000004c4fac29): kobject_uevent_env kobject: 'tun0' (000000004c4fac29): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (000000004c4fac29): kobject_cleanup, parent (null) kobject: 'tun0' (000000004c4fac29): calling ktype release kobject: 'tun0': free name kobject: 'loop5' (000000007adbb39e): kobject_uevent_env kobject: 'loop5' (000000007adbb39e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (0000000066e4adc9): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (0000000066e4adc9): kobject_uevent_env kobject: 'tun0' (0000000066e4adc9): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (000000009bf51f5b): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (000000009bf51f5b): kobject_uevent_env kobject: 'queues' (000000009bf51f5b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000017675ca2): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000017675ca2): kobject_uevent_env kobject: 'rx-0' (0000000017675ca2): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (000000003db48f97): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000003db48f97): kobject_uevent_env kobject: 'tx-0' (000000003db48f97): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (0000000017675ca2): kobject_cleanup, parent 000000009bf51f5b kobject: 'rx-0' (0000000017675ca2): auto cleanup 'remove' event kobject: 'rx-0' (0000000017675ca2): kobject_uevent_env kobject: 'rx-0' (0000000017675ca2): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (0000000017675ca2): auto cleanup kobject_del kobject: 'rx-0' (0000000017675ca2): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000003db48f97): kobject_cleanup, parent 000000009bf51f5b kobject: 'tx-0' (000000003db48f97): auto cleanup 'remove' event kobject: 'tx-0' (000000003db48f97): kobject_uevent_env kobject: 'loop2' (00000000b8890cc1): kobject_uevent_env kobject: 'loop2' (00000000b8890cc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (000000003db48f97): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (000000003db48f97): auto cleanup kobject_del kobject: 'tx-0' (000000003db48f97): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000009bf51f5b): kobject_cleanup, parent (null) kobject: 'loop2' (00000000b8890cc1): kobject_uevent_env kobject: 'loop2' (00000000b8890cc1): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000009bf51f5b): calling ktype release kobject: 'queues' (000000009bf51f5b): kset_release kobject: 'queues': free name kobject: 'tun0' (0000000066e4adc9): kobject_uevent_env kobject: 'tun0' (0000000066e4adc9): fill_kobj_path: path = '/devices/virtual/net/tun0' kauditd_printk_skb: 79 callbacks suppressed audit: type=1400 audit(2754.312:3904): avc: denied { map } for pid=19576 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: 'tun0' (0000000066e4adc9): kobject_cleanup, parent (null) kobject: 'tun0' (0000000066e4adc9): calling ktype release audit: type=1400 audit(2754.352:3905): avc: denied { map } for pid=19576 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: 'tun0': free name audit: type=1400 audit(2754.352:3906): avc: denied { map } for pid=19576 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tun0' (00000000d85adc60): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (00000000d85adc60): kobject_uevent_env kobject: 'tun0' (00000000d85adc60): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (00000000f3e36bc1): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (00000000f3e36bc1): kobject_uevent_env audit: type=1400 audit(2754.352:3907): avc: denied { map } for pid=19576 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'queues' (00000000f3e36bc1): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000001fa132ba): kobject_add_internal: parent: 'queues', set: 'queues' audit: type=1400 audit(2754.382:3908): avc: denied { map } for pid=19576 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: 'rx-0' (000000001fa132ba): kobject_uevent_env audit: type=1400 audit(2754.382:3909): avc: denied { map } for pid=19576 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 audit: type=1400 audit(2754.382:3910): avc: denied { map } for pid=19576 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' (000000001fa132ba): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' audit: type=1400 audit(2754.442:3911): avc: denied { map } for pid=19576 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' (00000000aa777189): kobject_add_internal: parent: 'queues', set: 'queues' audit: type=1400 audit(2754.442:3912): avc: denied { map } for pid=19576 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' (00000000aa777189): kobject_uevent_env audit: type=1400 audit(2754.452:3913): avc: denied { map } for pid=19576 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: 'tx-0' (00000000aa777189): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (000000001fa132ba): kobject_cleanup, parent 00000000f3e36bc1 kobject: 'rx-0' (000000001fa132ba): auto cleanup 'remove' event kobject: 'rx-0' (000000001fa132ba): kobject_uevent_env kobject: 'rx-0' (000000001fa132ba): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (000000001fa132ba): auto cleanup kobject_del kobject: 'rx-0' (000000001fa132ba): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000aa777189): kobject_cleanup, parent 00000000f3e36bc1 kobject: 'tx-0' (00000000aa777189): auto cleanup 'remove' event kobject: 'tx-0' (00000000aa777189): kobject_uevent_env kobject: 'tx-0' (00000000aa777189): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (00000000aa777189): auto cleanup kobject_del kobject: 'tx-0' (00000000aa777189): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f3e36bc1): kobject_cleanup, parent (null) kobject: 'queues' (00000000f3e36bc1): calling ktype release kobject: 'queues' (00000000f3e36bc1): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000d85adc60): kobject_uevent_env kobject: 'tun0' (00000000d85adc60): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000d85adc60): kobject_cleanup, parent (null) kobject: 'tun0' (00000000d85adc60): calling ktype release kobject: 'tun0': free name kobject: 'loop5' (000000007adbb39e): kobject_uevent_env kobject: 'loop5' (000000007adbb39e): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tun0' (00000000efbed3e7): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (00000000efbed3e7): kobject_uevent_env kobject: 'tun0' (00000000efbed3e7): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (00000000f77bbc02): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (00000000f77bbc02): kobject_uevent_env kobject: 'queues' (00000000f77bbc02): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000007bef8f09): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000007bef8f09): kobject_uevent_env kobject: 'rx-0' (000000007bef8f09): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (00000000ede98179): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000ede98179): kobject_uevent_env kobject: 'tx-0' (00000000ede98179): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (000000007bef8f09): kobject_cleanup, parent 00000000f77bbc02 kobject: 'rx-0' (000000007bef8f09): auto cleanup 'remove' event kobject: 'rx-0' (000000007bef8f09): kobject_uevent_env kobject: 'rx-0' (000000007bef8f09): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (000000007bef8f09): auto cleanup kobject_del kobject: 'rx-0' (000000007bef8f09): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000ede98179): kobject_cleanup, parent 00000000f77bbc02 kobject: 'tx-0' (00000000ede98179): auto cleanup 'remove' event kobject: 'tx-0' (00000000ede98179): kobject_uevent_env kobject: 'tx-0' (00000000ede98179): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (00000000ede98179): auto cleanup kobject_del kobject: 'tx-0' (00000000ede98179): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f77bbc02): kobject_cleanup, parent (null) kobject: 'queues' (00000000f77bbc02): calling ktype release kobject: 'queues' (00000000f77bbc02): kset_release kobject: 'queues': free name kobject: 'tun0' (00000000efbed3e7): kobject_uevent_env kobject: 'tun0' (00000000efbed3e7): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (00000000efbed3e7): kobject_cleanup, parent (null) kobject: 'tun0' (00000000efbed3e7): calling ktype release kobject: 'tun0': free name kobject: 'tun0' (000000003772b104): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'tun0' (000000003772b104): kobject_uevent_env kobject: 'tun0' (000000003772b104): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'queues' (00000000db755248): kobject_add_internal: parent: 'tun0', set: '' kobject: 'queues' (00000000db755248): kobject_uevent_env kobject: 'queues' (00000000db755248): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000f2cbb2b0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f2cbb2b0): kobject_uevent_env kobject: 'rx-0' (00000000f2cbb2b0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'tx-0' (00000000ba1d2e63): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000ba1d2e63): kobject_uevent_env kobject: 'tx-0' (00000000ba1d2e63): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'rx-0' (00000000f2cbb2b0): kobject_cleanup, parent 00000000db755248 kobject: 'rx-0' (00000000f2cbb2b0): auto cleanup 'remove' event kobject: 'rx-0' (00000000f2cbb2b0): kobject_uevent_env kobject: 'rx-0' (00000000f2cbb2b0): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' kobject: 'rx-0' (00000000f2cbb2b0): auto cleanup kobject_del kobject: 'rx-0' (00000000f2cbb2b0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000ba1d2e63): kobject_cleanup, parent 00000000db755248 kobject: 'tx-0' (00000000ba1d2e63): auto cleanup 'remove' event kobject: 'tx-0' (00000000ba1d2e63): kobject_uevent_env kobject: 'tx-0' (00000000ba1d2e63): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/tx-0' kobject: 'tx-0' (00000000ba1d2e63): auto cleanup kobject_del kobject: 'tx-0' (00000000ba1d2e63): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000db755248): kobject_cleanup, parent (null) kobject: 'queues' (00000000db755248): calling ktype release kobject: 'queues' (00000000db755248): kset_release kobject: 'queues': free name kobject: 'tun0' (000000003772b104): kobject_uevent_env kobject: 'tun0' (000000003772b104): fill_kobj_path: path = '/devices/virtual/net/tun0' kobject: 'tun0' (000000003772b104): kobject_cleanup, parent (null) kobject: 'tun0' (000000003772b104): calling ktype release kobject: 'tun0': free name kobject: 'loop5' (000000007adbb39e): kobject_uevent_env kobject: 'loop5' (000000007adbb39e): fill_kobj_path: path = '/devices/virtual/block/loop5' syz-executor.2 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 kobject: 'tun0' (00000000cf5678aa): kobject_add_internal: parent: 'net', set: 'devices' syz-executor.2 cpuset=syz2 mems_allowed=0-1 kobject: 'tun0' (00000000cf5678aa): kobject_uevent_env CPU: 1 PID: 19639 Comm: syz-executor.2 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'tun0' (00000000cf5678aa): fill_kobj_path: path = '/devices/virtual/net/tun0' Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 dump_header+0x15e/0x929 mm/oom_kill.c:441 oom_kill_process.cold+0x10/0x6f5 mm/oom_kill.c:954 out_of_memory mm/oom_kill.c:1129 [inline] out_of_memory+0x936/0x12d0 mm/oom_kill.c:1062 kobject: 'queues' (000000003cc9e8ff): kobject_add_internal: parent: 'tun0', set: '' mem_cgroup_out_of_memory+0x1d2/0x240 mm/memcontrol.c:1397 mem_cgroup_oom mm/memcontrol.c:1723 [inline] try_charge+0x1028/0x15b0 mm/memcontrol.c:2285 kobject: 'queues' (000000003cc9e8ff): kobject_uevent_env memcg_kmem_charge_memcg+0x7c/0x130 mm/memcontrol.c:2615 memcg_kmem_charge+0x136/0x300 mm/memcontrol.c:2648 __alloc_pages_nodemask+0x3c6/0x760 mm/page_alloc.c:4413 kobject: 'queues' (000000003cc9e8ff): kobject_uevent_env: filter function caused the event to drop! __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+0x3e0/0x7970 kernel/fork.c:1707 kobject: 'rx-0' (00000000fd5ddb91): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000fd5ddb91): kobject_uevent_env copy_process kernel/fork.c:1664 [inline] _do_fork+0x257/0xfe0 kernel/fork.c:2175 kobject: 'rx-0' (00000000fd5ddb91): fill_kobj_path: path = '/devices/virtual/net/tun0/queues/rx-0' __do_sys_clone kernel/fork.c:2282 [inline] __se_sys_clone kernel/fork.c:2276 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2276 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 kobject: 'tx-0' (0000000063d17c6c): kobject_add_internal: parent: 'queues', set: 'queues' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b779 Code: ff 48 85 f6 0f 84 d7 8e fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8e fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 kobject: 'tx-0' (0000000063d17c6c): kobject_uevent_env RSP: 002b:00007ffcd3707e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f714eb30700 RCX: 000000000045b779 RDX: 00007f714eb309d0 RSI: 00007f714eb2fdb0 RDI: 00000000003d0f00 RBP: 00007ffcd3708020 R08: 00007f714eb30700 R09: 00007f714eb30700 R10: 00007f714eb309d0 R11: 0000000000000202 R12: 0000000000000000 R13: 00007ffcd3707ebf R14: 00007f714eb309c0 R15: 000000000073bfac Task in /syz2 killed as a result of limit of /syz2 memory: usage 307188kB, limit 307200kB, failcnt 410 memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 kmem: usage 0kB, limit 9007199254740988kB, failcnt 0