Process accounting resumed ====================================================== WARNING: possible circular locking dependency detected 4.19.40 #8 Not tainted ------------------------------------------------------ syz-executor.0/17938 is trying to acquire lock: 000000008d01dd85 (&ovl_i_mutex_key[depth]){+.+.}, at: inode_lock include/linux/fs.h:744 [inline] 000000008d01dd85 (&ovl_i_mutex_key[depth]){+.+.}, at: ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 but task is already holding lock: 000000001480a665 (&acct->lock#2){+.+.}, at: acct_get kernel/acct.c:161 [inline] 000000001480a665 (&acct->lock#2){+.+.}, at: slow_acct_process kernel/acct.c:577 [inline] 000000001480a665 (&acct->lock#2){+.+.}, at: acct_process+0x2e5/0x61e kernel/acct.c:605 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&acct->lock#2){+.+.}: __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 -> #1 (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:1575 [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 do_sys_ftruncate+0x488/0x550 fs/open.c:194 __do_sys_ftruncate fs/open.c:204 [inline] __se_sys_ftruncate fs/open.c:202 [inline] __x64_sys_ftruncate+0x59/0x80 fs/open.c:202 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_key[depth]){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 down_write+0x38/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:744 [inline] ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 call_write_iter include/linux/fs.h:1817 [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 other info that might help us debug this: Chain exists of: &ovl_i_mutex_key[depth] --> sb_writers#4 --> &acct->lock#2 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&acct->lock#2); lock(sb_writers#4); lock(&acct->lock#2); lock(&ovl_i_mutex_key[depth]); *** DEADLOCK *** 2 locks held by syz-executor.0/17938: #0: 000000001480a665 (&acct->lock#2){+.+.}, at: acct_get kernel/acct.c:161 [inline] #0: 000000001480a665 (&acct->lock#2){+.+.}, at: slow_acct_process kernel/acct.c:577 [inline] #0: 000000001480a665 (&acct->lock#2){+.+.}, at: acct_process+0x2e5/0x61e kernel/acct.c:605 #1: 00000000319f88bc (sb_writers#13){.+.+}, at: file_start_write_trylock include/linux/fs.h:2777 [inline] #1: 00000000319f88bc (sb_writers#13){.+.+}, at: do_acct_process+0xf37/0x1150 kernel/acct.c:517 stack backtrace: CPU: 1 PID: 17938 Comm: syz-executor.0 Not tainted 4.19.40 #8 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 down_write+0x38/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:744 [inline] ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 call_write_iter include/linux/fs.h:1817 [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 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:00007f77fb125cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000073bfa8 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073bfa8 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000073bfac R13: 00007ffe49bae5cf R14: 00007f77fb1269c0 R15: 000000000073bfac kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' Process accounting resumed kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' Process accounting resumed kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' Process accounting resumed kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' Process accounting resumed kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'hwsim2' (00000000064be93a): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'hwsim2' (00000000064be93a): kobject_uevent_env kobject: 'hwsim2' (00000000064be93a): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'hwsim2' (00000000064be93a): kobject_uevent_env kobject: 'hwsim2' (00000000064be93a): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2' kobject: 'ieee80211' (0000000016f3e628): kobject_add_internal: parent: 'hwsim2', set: '(null)' kobject: 'тл' (00000000e031ea5d): kobject_add_internal: parent: 'ieee80211', set: 'devices' kobject: 'тл' (00000000e031ea5d): kobject_uevent_env kobject: 'тл' (00000000e031ea5d): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/ieee80211/тл' kobject: 'rfkill12' (0000000098dcd549): kobject_add_internal: parent: 'тл', set: 'devices' kobject: 'rfkill12' (0000000098dcd549): kobject_uevent_env kobject: 'rfkill12' (0000000098dcd549): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/ieee80211/тл/rfkill12' ieee80211 тл: Selected rate control algorithm 'minstrel_ht' kobject: 'net' (00000000e608cf9d): kobject_add_internal: parent: 'hwsim2', set: '(null)' kobject: 'wlan0' (0000000056ad7cff): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'wlan0' (0000000056ad7cff): kobject_uevent_env kobject: 'wlan0' (0000000056ad7cff): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/net/wlan0' kobject: 'queues' (000000007ee004da): kobject_add_internal: parent: 'wlan0', set: '' kobject: 'queues' (000000007ee004da): kobject_uevent_env kobject: 'queues' (000000007ee004da): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000544ee288): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000544ee288): kobject_uevent_env kobject: 'rx-0' (00000000544ee288): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/net/wlan0/queues/rx-0' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (000000004ec3b1d0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000004ec3b1d0): kobject_uevent_env kobject: 'tx-0' (000000004ec3b1d0): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/net/wlan0/queues/tx-0' kobject: 'tx-1' (00000000139b9b68): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-1' (00000000139b9b68): kobject_uevent_env kobject: 'tx-1' (00000000139b9b68): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/net/wlan0/queues/tx-1' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'tx-2' (000000002ddc9f99): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-2' (000000002ddc9f99): kobject_uevent_env kobject: 'tx-2' (000000002ddc9f99): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/net/wlan0/queues/tx-2' kobject: 'tx-3' (0000000033caea82): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-3' (0000000033caea82): kobject_uevent_env kobject: 'tx-3' (0000000033caea82): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim2/net/wlan0/queues/tx-3' kobject: 'batman_adv' (0000000076196984): kobject_add_internal: parent: 'wlan0', set: '' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'hwsim3' (0000000073c9ee53): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'hwsim3' (0000000073c9ee53): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'hwsim3' (0000000073c9ee53): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'hwsim3' (0000000073c9ee53): kobject_uevent_env kobject: 'hwsim3' (0000000073c9ee53): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'ieee80211' (000000005049dba2): kobject_add_internal: parent: 'hwsim3', set: '(null)' kobject: 'phy3' (000000000535d357): kobject_add_internal: parent: 'ieee80211', set: 'devices' kobject: 'phy3' (000000000535d357): kobject_uevent_env kobject: 'phy3' (000000000535d357): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/ieee80211/phy3' kobject: 'rfkill13' (0000000019fc8eca): kobject_add_internal: parent: 'phy3', set: 'devices' kobject: 'rfkill13' (0000000019fc8eca): kobject_uevent_env kobject: 'rfkill13' (0000000019fc8eca): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/ieee80211/phy3/rfkill13' ieee80211 phy3: Selected rate control algorithm 'minstrel_ht' kobject: 'net' (00000000fef6e259): kobject_add_internal: parent: 'hwsim3', set: '(null)' kobject: 'wlan1' (00000000a9aa4fe2): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'wlan1' (00000000a9aa4fe2): kobject_uevent_env kobject: 'wlan1' (00000000a9aa4fe2): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan1' kobject: 'queues' (00000000e0295b11): kobject_add_internal: parent: 'wlan1', set: '' kobject: 'queues' (00000000e0295b11): kobject_uevent_env kobject: 'queues' (00000000e0295b11): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000ee3f5748): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000ee3f5748): kobject_uevent_env kobject: 'rx-0' (00000000ee3f5748): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan1/queues/rx-0' kobject: 'tx-0' (000000001c06f353): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000001c06f353): kobject_uevent_env kobject: 'tx-0' (000000001c06f353): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan1/queues/tx-0' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'tx-1' (0000000084de6d66): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-1' (0000000084de6d66): kobject_uevent_env kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'tx-1' (0000000084de6d66): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan1/queues/tx-1' kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-2' (00000000560dc15b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-2' (00000000560dc15b): kobject_uevent_env kobject: 'tx-2' (00000000560dc15b): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan1/queues/tx-2' kobject: 'tx-3' (00000000ba8d611d): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'tx-3' (00000000ba8d611d): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-3' (00000000ba8d611d): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan1/queues/tx-3' kobject: 'batman_adv' (000000009fa4e45c): kobject_add_internal: parent: 'wlan1', set: '' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'hwsim4' (00000000c885ea60): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'hwsim4' (00000000c885ea60): kobject_uevent_env kobject: 'hwsim4' (00000000c885ea60): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4' kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'hwsim4' (00000000c885ea60): kobject_uevent_env kobject: 'hwsim4' (00000000c885ea60): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4' kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'ieee80211' (000000008ba441d2): kobject_add_internal: parent: 'hwsim4', set: '(null)' kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'phy4' (00000000b3c56d91): kobject_add_internal: parent: 'ieee80211', set: 'devices' kobject: 'phy4' (00000000b3c56d91): kobject_uevent_env kobject: 'phy4' (00000000b3c56d91): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/ieee80211/phy4' kobject: 'rfkill14' (0000000044000114): kobject_add_internal: parent: 'phy4', set: 'devices' kobject: 'rfkill14' (0000000044000114): kobject_uevent_env kobject: 'rfkill14' (0000000044000114): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/ieee80211/phy4/rfkill14' ieee80211 phy4: Selected rate control algorithm 'minstrel_ht' kobject: 'net' (00000000b08cb0b6): kobject_add_internal: parent: 'hwsim4', set: '(null)' kobject: 'wlan2' (0000000098de8133): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'wlan2' (0000000098de8133): kobject_uevent_env kobject: 'wlan2' (0000000098de8133): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan2' kobject: 'queues' (00000000fc1bd389): kobject_add_internal: parent: 'wlan2', set: '' kobject: 'queues' (00000000fc1bd389): kobject_uevent_env kobject: 'queues' (00000000fc1bd389): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000701daa06): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000701daa06): kobject_uevent_env kobject: 'rx-0' (00000000701daa06): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan2/queues/rx-0' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000d58c531b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'tx-0' (00000000d58c531b): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000d58c531b): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan2/queues/tx-0' kobject: 'tx-1' (000000008bc9cfba): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-1' (000000008bc9cfba): kobject_uevent_env kobject: 'tx-1' (000000008bc9cfba): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan2/queues/tx-1' kobject: 'tx-2' (00000000cfdb2731): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'tx-2' (00000000cfdb2731): kobject_uevent_env kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-2' (00000000cfdb2731): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan2/queues/tx-2' kobject: 'tx-3' (000000003a676f30): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-3' (000000003a676f30): kobject_uevent_env kobject: 'tx-3' (000000003a676f30): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan2/queues/tx-3' kobject: 'batman_adv' (00000000382e257e): kobject_add_internal: parent: 'wlan2', set: '' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kauditd_printk_skb: 19 callbacks suppressed audit: type=1800 audit(1557162965.698:134): pid=18137 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16583 res=0 kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'hwsim5' (00000000209b009e): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'hwsim5' (00000000209b009e): kobject_uevent_env kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'hwsim5' (00000000209b009e): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5' kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'hwsim5' (00000000209b009e): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'hwsim5' (00000000209b009e): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'ieee80211' (0000000016110b9d): kobject_add_internal: parent: 'hwsim5', set: '(null)' kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'phy5' (000000002d0906b3): kobject_add_internal: parent: 'ieee80211', set: 'devices' audit: type=1800 audit(1557162965.978:135): pid=18137 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16583 res=0 kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'phy5' (000000002d0906b3): kobject_uevent_env kobject: 'phy5' (000000002d0906b3): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/ieee80211/phy5' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env audit: type=1800 audit(1557162966.048:136): pid=18154 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16583 res=0 kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rfkill15' (000000002c2334a8): kobject_add_internal: parent: 'phy5', set: 'devices' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'rfkill15' (000000002c2334a8): kobject_uevent_env kobject: 'rfkill15' (000000002c2334a8): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/ieee80211/phy5/rfkill15' kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env ieee80211 phy5: Selected rate control algorithm 'minstrel_ht' kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'net' (0000000040ad5861): kobject_add_internal: parent: 'hwsim5', set: '(null)' audit: type=1800 audit(1557162966.308:137): pid=18160 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=16630 res=0 kobject: 'wlan3' (000000006d69f77c): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'wlan3' (000000006d69f77c): kobject_uevent_env kobject: 'wlan3' (000000006d69f77c): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan3' kobject: 'queues' (00000000eb24edcd): kobject_add_internal: parent: 'wlan3', set: '' kobject: 'queues' (00000000eb24edcd): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'queues' (00000000eb24edcd): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1800 audit(1557162966.628:138): pid=18171 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16583 res=0 kobject: 'rx-0' (00000000baac740a): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000baac740a): kobject_uevent_env kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000baac740a): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan3/queues/rx-0' kobject: 'tx-0' (00000000d8324e93): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'tx-0' (00000000d8324e93): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1800 audit(1557162966.838:139): pid=18178 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=16630 res=0 kobject: 'tx-0' (00000000d8324e93): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan3/queues/tx-0' kobject: 'tx-1' (000000008ed0a80c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-1' (000000008ed0a80c): kobject_uevent_env kobject: 'tx-1' (000000008ed0a80c): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan3/queues/tx-1' kobject: 'tx-2' (0000000085d7a8ce): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'tx-2' (0000000085d7a8ce): kobject_uevent_env kobject: 'tx-2' (0000000085d7a8ce): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan3/queues/tx-2' kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-3' (000000000259d5f8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-3' (000000000259d5f8): kobject_uevent_env kobject: 'tx-3' (000000000259d5f8): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim5/net/wlan3/queues/tx-3' kobject: 'batman_adv' (00000000fdabec3a): kobject_add_internal: parent: 'wlan3', set: '' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1800 audit(1557162967.128:140): pid=18183 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.2" name="file0" dev="sda1" ino=16584 res=0 kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env audit: type=1800 audit(1557162967.208:141): pid=18191 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16638 res=0 kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' audit: type=1800 audit(1557162967.308:142): pid=18197 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=16630 res=0 kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env audit: type=1800 audit(1557162967.828:143): pid=18205 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.5" name="file0" dev="sda1" ino=16625 res=0 kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000050eac79a): kobject_uevent_env kobject: 'loop4' (0000000050eac79a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000dc69efee): kobject_uevent_env kobject: 'loop1' (00000000dc69efee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000f3bd2724): kobject_uevent_env kobject: 'loop0' (00000000f3bd2724): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000002d277812): kobject_uevent_env kobject: 'loop3' (000000002d277812): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000cb1573ef): kobject_uevent_env kobject: 'loop5' (00000000cb1573ef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000556f75c4): kobject_uevent_env kobject: 'loop2' (00000000556f75c4): fill_kobj_path: path = '/devices/virtual/block/loop2'