overlayfs: './file0' not a directory Process accounting resumed ====================================================== WARNING: possible circular locking dependency detected 4.19.37 #5 Not tainted ------------------------------------------------------ syz-executor.0/19018 is trying to acquire lock: 0000000002952135 (&ovl_i_mutex_key[depth]#2){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] 0000000002952135 (&ovl_i_mutex_key[depth]#2){+.+.}, at: ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 but task is already holding lock: 00000000175fe5ce (&acct->lock#2){+.+.}, at: acct_get kernel/acct.c:161 [inline] 00000000175fe5ce (&acct->lock#2){+.+.}, at: slow_acct_process kernel/acct.c:577 [inline] 00000000175fe5ce (&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:1569 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:360 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_link+0x7c/0x2d5 fs/overlayfs/dir.c:674 vfs_link+0x7a4/0xb60 fs/namei.c:4240 do_linkat+0x550/0x770 fs/namei.c:4308 __do_sys_link fs/namei.c:4337 [inline] __se_sys_link fs/namei.c:4335 [inline] __x64_sys_link+0x61/0x80 fs/namei.c:4335 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_key[depth]#2){+.+.}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 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 other info that might help us debug this: Chain exists of: &ovl_i_mutex_key[depth]#2 --> 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]#2); *** DEADLOCK *** 2 locks held by syz-executor.0/19018: #0: 00000000175fe5ce (&acct->lock#2){+.+.}, at: acct_get kernel/acct.c:161 [inline] #0: 00000000175fe5ce (&acct->lock#2){+.+.}, at: slow_acct_process kernel/acct.c:577 [inline] #0: 00000000175fe5ce (&acct->lock#2){+.+.}, at: acct_process+0x2e5/0x61e kernel/acct.c:605 #1: 00000000d534d1f9 (sb_writers#17){.+.+}, at: file_start_write_trylock include/linux/fs.h:2771 [inline] #1: 00000000d534d1f9 (sb_writers#17){.+.+}, at: do_acct_process+0xf37/0x1150 kernel/acct.c:517 stack backtrace: CPU: 1 PID: 19018 Comm: syz-executor.0 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 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 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:00007fcdba256cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000073c048 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073c048 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000073c04c R13: 00007ffca76eee7f R14: 00007fcdba2579c0 R15: 000000000073c04c kobject: 'wlan0' (00000000109aeebf): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'wlan0' (00000000109aeebf): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan0' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (000000005261dc47): kobject_add_internal: parent: 'wlan0', set: '' kobject: 'queues' (000000005261dc47): kobject_uevent_env kobject: 'queues' (000000005261dc47): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000165e41d3): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000165e41d3): kobject_uevent_env kobject: 'rx-0' (00000000165e41d3): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan0/queues/rx-0' kobject: 'tx-0' (00000000bc4cca7f): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000bc4cca7f): kobject_uevent_env kobject: 'tx-0' (00000000bc4cca7f): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan0/queues/tx-0' kobject: 'tx-1' (0000000071b3e5ba): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-1' (0000000071b3e5ba): kobject_uevent_env kobject: 'tx-1' (0000000071b3e5ba): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan0/queues/tx-1' kobject: 'tx-2' (000000007cab24cc): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-2' (000000007cab24cc): kobject_uevent_env kobject: 'tx-2' (000000007cab24cc): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan0/queues/tx-2' kobject: 'tx-3' (000000000b921bf9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-3' (000000000b921bf9): kobject_uevent_env kobject: 'tx-3' (000000000b921bf9): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim3/net/wlan0/queues/tx-3' kobject: 'batman_adv' (00000000b2ca49b9): kobject_add_internal: parent: 'wlan0', set: '' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'. kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'hwsim4' (00000000ec45f5cf): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'hwsim4' (00000000ec45f5cf): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'hwsim4' (00000000ec45f5cf): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'hwsim4' (00000000ec45f5cf): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'hwsim4' (00000000ec45f5cf): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4' kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ieee80211' (00000000e494792e): kobject_add_internal: parent: 'hwsim4', set: '(null)' kobject: 'phy4' (000000008bb69139): kobject_add_internal: parent: 'ieee80211', set: 'devices' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'phy4' (000000008bb69139): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'phy4' (000000008bb69139): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/ieee80211/phy4' kobject: 'rfkill8' (000000002a9483be): kobject_add_internal: parent: 'phy4', set: 'devices' kobject: 'rfkill8' (000000002a9483be): kobject_uevent_env kobject: 'rfkill8' (000000002a9483be): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/ieee80211/phy4/rfkill8' kobject: 'rfkill8' (000000002a9483be): kobject_uevent_env kobject: 'rfkill8' (000000002a9483be): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/ieee80211/phy4/rfkill8' ieee80211 phy4: Selected rate control algorithm 'minstrel_ht' kobject: 'net' (00000000085d142b): kobject_add_internal: parent: 'hwsim4', set: '(null)' kobject: 'wlan1' (00000000a6e8d553): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'wlan1' (00000000a6e8d553): kobject_uevent_env kobject: 'wlan1' (00000000a6e8d553): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan1' kobject: 'queues' (00000000ba043214): kobject_add_internal: parent: 'wlan1', set: '' kobject: 'queues' (00000000ba043214): kobject_uevent_env kobject: 'queues' (00000000ba043214): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000e813180b): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000e813180b): kobject_uevent_env kobject: 'rx-0' (00000000e813180b): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan1/queues/rx-0' kobject: 'tx-0' (000000002d67b310): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (000000002d67b310): kobject_uevent_env kobject: 'tx-0' (000000002d67b310): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan1/queues/tx-0' kobject: 'tx-1' (00000000a8df31a2): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-1' (00000000a8df31a2): kobject_uevent_env kobject: 'tx-1' (00000000a8df31a2): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan1/queues/tx-1' kobject: 'tx-2' (0000000042da5270): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-2' (0000000042da5270): kobject_uevent_env kobject: 'tx-2' (0000000042da5270): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan1/queues/tx-2' kobject: 'tx-3' (0000000045618bfc): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-3' (0000000045618bfc): kobject_uevent_env kobject: 'tx-3' (0000000045618bfc): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim4/net/wlan1/queues/tx-3' kobject: 'batman_adv' (0000000015d2017b): kobject_add_internal: parent: 'wlan1', set: '' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): kobject_uevent_env validate_nla: 14 callbacks suppressed netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'loop2' (00000000b88fd369): kobject_uevent_env netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000e0123658): kobject_uevent_env nla_parse: 4 callbacks suppressed netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 'syz-executor.5': attribute type 15 has an invalid length. netlink: 'syz-executor.5': attribute type 21 has an invalid length. kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'loop2' (00000000b88fd369): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 'syz-executor.5': attribute type 15 has an invalid length. netlink: 'syz-executor.5': attribute type 21 has an invalid length. kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.5'. kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env validate_nla: 52 callbacks suppressed netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env nla_parse: 21 callbacks suppressed netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000041659db9): kobject_uevent_env netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor.4': attribute type 15 has an invalid length. kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env netlink: 'syz-executor.4': attribute type 21 has an invalid length. kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000b88fd369): kobject_uevent_env kobject: 'loop2' (00000000b88fd369): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop1' (00000000e0123658): kobject_uevent_env kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (0000000041659db9): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000094ad8a37): kobject_uevent_env kobject: 'loop4' (0000000094ad8a37): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000e0123658): kobject_uevent_env netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop1' (00000000e0123658): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop3' (0000000041659db9): kobject_uevent_env kobject: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (0000000041659db9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000086c6ab41): kobject_uevent_env kobject: 'loop5' (000000009aeb67b9): kobject_uevent_env CPU: 1 PID: 19752 Comm: syz-executor.2 Not tainted 4.19.37 #5 netlink: 13 bytes leftover after parsing attributes in process `syz-executor.4'. 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: 'kvm' (0000000086c6ab41): fill_kobj_path: path = '/devices/virtual/misc/kvm' __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc_trace+0x2cf/0x760 mm/slab.c:3623 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] htab_map_alloc+0xdc/0x11a0 kernel/bpf/hashtab.c:315 find_and_alloc_map kernel/bpf/syscall.c:130 [inline] map_create+0x376/0xe90 kernel/bpf/syscall.c:510