====================================================== WARNING: possible circular locking dependency detected 4.19.0-rc2+ #4 Not tainted ------------------------------------------------------ kswapd0/1375 is trying to acquire lock: 0000000038d848cf (sb_internal){.+.+}, at: sb_start_intwrite include/linux/fs.h:1613 [inline] 0000000038d848cf (sb_internal){.+.+}, at: ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 but task is already holding lock: 00000000c984432c (fs_reclaim){+.+.}, at: __fs_reclaim_acquire+0x0/0x30 mm/page_alloc.c:4539 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (fs_reclaim){+.+.}: __fs_reclaim_acquire mm/page_alloc.c:3728 [inline] fs_reclaim_acquire.part.97+0x24/0x30 mm/page_alloc.c:3739 fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3740 slab_pre_alloc_hook mm/slab.h:418 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc_trace+0x2d/0x750 mm/slab.c:3618 kmalloc include/linux/slab.h:513 [inline] kzalloc include/linux/slab.h:707 [inline] smk_fetch.part.24+0x5a/0xf0 security/smack/smack_lsm.c:273 smk_fetch security/smack/smack_lsm.c:3548 [inline] smack_d_instantiate+0x94e/0xea0 security/smack/smack_lsm.c:3502 security_d_instantiate+0x5c/0xf0 security/security.c:1287 d_instantiate+0x5e/0xa0 fs/dcache.c:1870 shmem_mknod+0x189/0x1f0 mm/shmem.c:2812 vfs_mknod+0x445/0x800 fs/namei.c:3719 handle_create+0x1ff/0x730 drivers/base/devtmpfs.c:211 handle drivers/base/devtmpfs.c:374 [inline] devtmpfsd+0x27f/0x4c0 drivers/base/devtmpfs.c:400 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 -> #2 (&isp->smk_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x1710 kernel/locking/mutex.c:1073 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 smack_d_instantiate+0x136/0xea0 security/smack/smack_lsm.c:3369 security_d_instantiate+0x5c/0xf0 security/security.c:1287 d_instantiate_new+0x70/0x160 fs/dcache.c:1889 ext4_add_nondir+0x81/0x90 fs/ext4/namei.c:2415 ext4_symlink+0x752/0x1130 fs/ext4/namei.c:3162 vfs_symlink+0x37a/0x5d0 fs/namei.c:4127 do_symlinkat+0x242/0x2d0 fs/namei.c:4154 __do_sys_symlink fs/namei.c:4173 [inline] __se_sys_symlink fs/namei.c:4171 [inline] __x64_sys_symlink+0x59/0x80 fs/namei.c:4171 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (jbd2_handle){++++}: start_this_handle+0x5b8/0x1250 fs/jbd2/transaction.c:385 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 ext4_sample_last_mounted fs/ext4/file.c:414 [inline] ext4_file_open+0x53e/0x730 fs/ext4/file.c:439 do_dentry_open+0x499/0x1250 fs/open.c:771 vfs_open+0xa0/0xd0 fs/open.c:880 do_last fs/namei.c:3418 [inline] path_openat+0x12bf/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 __do_sys_open fs/open.c:1081 [inline] __se_sys_open fs/open.c:1076 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1076 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (sb_internal){.+.+}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3901 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+0x214/0x370 fs/super.c:1387 sb_start_intwrite include/linux/fs.h:1613 [inline] ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 evict+0x4b9/0x980 fs/inode.c:558 iput_final fs/inode.c:1547 [inline] iput+0x679/0xa90 fs/inode.c:1573 dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 shrink_dentry_list+0x32f/0x800 fs/dcache.c:1079 prune_dcache_sb+0x12f/0x1c0 fs/dcache.c:1171 super_cache_scan+0x270/0x480 fs/super.c:102 do_shrink_slab+0x4cf/0xd00 mm/vmscan.c:536 shrink_slab_memcg mm/vmscan.c:601 [inline] shrink_slab+0x6f9/0x8c0 mm/vmscan.c:674 shrink_node+0x431/0x16b0 mm/vmscan.c:2735 kswapd_shrink_node mm/vmscan.c:3457 [inline] balance_pgdat+0x7ca/0x1000 mm/vmscan.c:3567 kswapd+0x857/0x12d0 mm/vmscan.c:3789 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 other info that might help us debug this: Chain exists of: sb_internal --> &isp->smk_lock --> fs_reclaim Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(fs_reclaim); lock(&isp->smk_lock); lock(fs_reclaim); lock(sb_internal); *** DEADLOCK *** 3 locks held by kswapd0/1375: #0: 00000000c984432c (fs_reclaim){+.+.}, at: __fs_reclaim_acquire+0x0/0x30 mm/page_alloc.c:4539 #1: 00000000c06dff6a (shrinker_rwsem){++++}, at: shrink_slab_memcg mm/vmscan.c:578 [inline] #1: 00000000c06dff6a (shrinker_rwsem){++++}, at: shrink_slab+0x1d1/0x8c0 mm/vmscan.c:674 #2: 00000000974e8452 (&type->s_umount_key#29){++++}, at: trylock_super+0x22/0x110 fs/super.c:412 stack backtrace: CPU: 1 PID: 1375 Comm: kswapd0 Not tainted 4.19.0-rc2+ #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+0x1c4/0x2b4 lib/dump_stack.c:113 print_circular_bug.isra.33.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1862 [inline] check_prevs_add kernel/locking/lockdep.c:1975 [inline] validate_chain kernel/locking/lockdep.c:2416 [inline] __lock_acquire+0x33e4/0x4ec0 kernel/locking/lockdep.c:3412 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3901 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+0x214/0x370 fs/super.c:1387 sb_start_intwrite include/linux/fs.h:1613 [inline] ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 evict+0x4b9/0x980 fs/inode.c:558 iput_final fs/inode.c:1547 [inline] iput+0x679/0xa90 fs/inode.c:1573 dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 shrink_dentry_list+0x32f/0x800 fs/dcache.c:1079 prune_dcache_sb+0x12f/0x1c0 fs/dcache.c:1171 super_cache_scan+0x270/0x480 fs/super.c:102 do_shrink_slab+0x4cf/0xd00 mm/vmscan.c:536 shrink_slab_memcg mm/vmscan.c:601 [inline] shrink_slab+0x6f9/0x8c0 mm/vmscan.c:674 shrink_node+0x431/0x16b0 mm/vmscan.c:2735 kswapd_shrink_node mm/vmscan.c:3457 [inline] balance_pgdat+0x7ca/0x1000 mm/vmscan.c:3567 kswapd+0x857/0x12d0 mm/vmscan.c:3789 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' sctp: [Deprecated]: syz-executor7 (pid 15970) Use of int in maxseg socket option. Use struct sctp_assoc_value instead Unknown ioctl -2144293252 kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env Unknown ioctl 35077 Unknown ioctl -2144293252 sctp: [Deprecated]: syz-executor7 (pid 15972) Use of int in maxseg socket option. Use struct sctp_assoc_value instead kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' Unknown ioctl 35077 kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'input10' (00000000b7d72840): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'input10' (00000000b7d72840): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'input10' (00000000b7d72840): fill_kobj_path: path = '/devices/virtual/input/input10' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'input10' (00000000b7d72840): fill_kobj_path: path = '/devices/virtual/input/input10' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' input: syz1 as /devices/virtual/input/input10 kobject: 'event4' (00000000065942e1): kobject_add_internal: parent: 'input10', set: 'devices' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'event4' (00000000065942e1): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'event4' (00000000065942e1): fill_kobj_path: path = '/devices/virtual/input/input10/event4' kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'event4' (00000000065942e1): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'event4' (00000000065942e1): fill_kobj_path: path = '/devices/virtual/input/input10/event4' kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '(null)' (000000008150fe8d): kobject_cleanup, parent 00000000065942e1 kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: '(null)' (000000008150fe8d): calling ktype release kobject: 'event4' (00000000065942e1): kobject_cleanup, parent (null) kobject: 'event4' (00000000065942e1): calling ktype release kobject: 'event4': free name kobject: 'input10' (00000000b7d72840): kobject_uevent_env kobject: 'input10' (00000000b7d72840): fill_kobj_path: path = '/devices/virtual/input/input10' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'input10' (00000000b7d72840): kobject_cleanup, parent (null) kobject: 'input10' (00000000b7d72840): calling ktype release kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'input10': free name kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' uinput: write device info first kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'input11' (00000000e8b7fefc): kobject_cleanup, parent (null) kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'input11' (00000000e8b7fefc): calling ktype release kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'input11': free name kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'input12' (00000000625c10fd): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'input12' (00000000625c10fd): kobject_uevent_env kobject: 'input12' (00000000625c10fd): fill_kobj_path: path = '/devices/virtual/input/input12' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'input12' (00000000625c10fd): fill_kobj_path: path = '/devices/virtual/input/input12' kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' input: syz1 as /devices/virtual/input/input12 kobject: 'event4' (000000001583be9c): kobject_add_internal: parent: 'input12', set: 'devices' kobject: 'event4' (000000001583be9c): kobject_uevent_env kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'event4' (000000001583be9c): fill_kobj_path: path = '/devices/virtual/input/input12/event4' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'event4' (000000001583be9c): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'event4' (000000001583be9c): fill_kobj_path: path = '/devices/virtual/input/input12/event4' kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '(null)' (00000000c75c215e): kobject_cleanup, parent 000000001583be9c kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '(null)' (00000000c75c215e): calling ktype release kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'event4' (000000001583be9c): kobject_cleanup, parent (null) kobject: 'event4' (000000001583be9c): calling ktype release kobject: 'event4': free name kobject: 'input12' (00000000625c10fd): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'input12' (00000000625c10fd): fill_kobj_path: path = '/devices/virtual/input/input12' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'input12' (00000000625c10fd): kobject_cleanup, parent (null) kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'input12' (00000000625c10fd): calling ktype release kobject: 'input12': free name kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' syz-executor7 (16384) used greatest stack depth: 9312 bytes left kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'input13' (0000000002481142): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'input13' (0000000002481142): kobject_uevent_env kobject: 'input13' (0000000002481142): fill_kobj_path: path = '/devices/virtual/input/input13' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'input13' (0000000002481142): fill_kobj_path: path = '/devices/virtual/input/input13' kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' input: syz1 as /devices/virtual/input/input13 kobject: 'event4' (00000000368fea1b): kobject_add_internal: parent: 'input13', set: 'devices' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'event4' (00000000368fea1b): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'event4' (00000000368fea1b): fill_kobj_path: path = '/devices/virtual/input/input13/event4' kobject: 'event4' (00000000368fea1b): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'event4' (00000000368fea1b): fill_kobj_path: path = '/devices/virtual/input/input13/event4' kobject: '(null)' (00000000e1161461): kobject_cleanup, parent 00000000368fea1b kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: '(null)' (00000000e1161461): calling ktype release kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'event4' (00000000368fea1b): kobject_cleanup, parent (null) kobject: 'event4' (00000000368fea1b): calling ktype release kobject: 'event4': free name kobject: 'input13' (0000000002481142): kobject_uevent_env kobject: 'input13' (0000000002481142): fill_kobj_path: path = '/devices/virtual/input/input13' kobject: 'input13' (0000000002481142): kobject_cleanup, parent (null) kobject: 'input13' (0000000002481142): calling ktype release kobject: 'input13': free name kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'input14' (00000000cf45f35e): kobject_add_internal: parent: 'input', set: 'devices' kobject: 'input14' (00000000cf45f35e): kobject_uevent_env kobject: 'input14' (00000000cf45f35e): fill_kobj_path: path = '/devices/virtual/input/input14' kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' IPVS: set_ctl: invalid protocol: 255 224.0.0.2:20002 kobject: 'input14' (00000000cf45f35e): fill_kobj_path: path = '/devices/virtual/input/input14' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env IPVS: set_ctl: invalid protocol: 255 224.0.0.2:20002 kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' input: syz1 as /devices/virtual/input/input14 kobject: 'event4' (00000000d31ad506): kobject_add_internal: parent: 'input14', set: 'devices' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'event4' (00000000d31ad506): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'event4' (00000000d31ad506): fill_kobj_path: path = '/devices/virtual/input/input14/event4' kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'event4' (00000000d31ad506): kobject_uevent_env kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'event4' (00000000d31ad506): fill_kobj_path: path = '/devices/virtual/input/input14/event4' kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: '(null)' (00000000799d0544): kobject_cleanup, parent 00000000d31ad506 kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: '(null)' (00000000799d0544): calling ktype release kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'event4' (00000000d31ad506): kobject_cleanup, parent (null) kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'event4' (00000000d31ad506): calling ktype release kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'event4': free name kobject: 'loop0' (000000002b41cb61): kobject_uevent_env kobject: 'loop0' (000000002b41cb61): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'input14' (00000000cf45f35e): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop6' (0000000073965b6f): kobject_uevent_env kobject: 'input14' (00000000cf45f35e): fill_kobj_path: path = '/devices/virtual/input/input14' kobject: 'loop6' (0000000073965b6f): fill_kobj_path: path = '/devices/virtual/block/loop6' kobject: 'loop7' (00000000d0904ec5): kobject_uevent_env kobject: 'input14' (00000000cf45f35e): kobject_cleanup, parent (null) kobject: 'loop7' (00000000d0904ec5): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'input14' (00000000cf45f35e): calling ktype release kobject: 'loop4' (00000000e1c03f99): kobject_uevent_env kobject: 'loop4' (00000000e1c03f99): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'input14': free name kobject: 'loop2' (000000009d0179bf): kobject_uevent_env kobject: 'loop2' (000000009d0179bf): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000103f025e): kobject_uevent_env kobject: 'loop1' (00000000103f025e): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000727ca0ae): kobject_uevent_env kobject: 'loop3' (00000000727ca0ae): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000454ba78c): kobject_uevent_env kobject: 'loop5' (00000000454ba78c): fill_kobj_path: path = '/devices/virtual/block/loop5'