overlayfs: './file0' not a directory Process accounting resumed ====================================================== WARNING: possible circular locking dependency detected 4.19.37 #5 Not tainted ------------------------------------------------------ syz-executor.1/26985 is trying to acquire lock: 000000006eaf2e1a (&ovl_i_mutex_key[depth]){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] 000000006eaf2e1a (&ovl_i_mutex_key[depth]){+.+.}, at: ovl_write_iter+0x148/0xc20 fs/overlayfs/file.c:231 but task is already holding lock: 00000000662b7db1 (&acct->lock#2){+.+.}, at: acct_pin_kill+0x27/0x100 kernel/acct.c:173 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){.+.+}: kobject: 'loop5' (000000000775eab2): kobject_uevent_env 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 file_start_write include/linux/fs.h:2764 [inline] ovl_write_iter+0x91b/0xc20 fs/overlayfs/file.c:243 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 kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' vfs_write+0x20c/0x560 fs/read_write.c:549 ksys_write+0xea/0x1f0 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_key[depth]){+.+.}: kobject: 'loop5' (000000000775eab2): kobject_uevent_env lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3900 kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' 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 acct_pin_kill+0x2f/0x100 kernel/acct.c:174 pin_kill+0x18f/0x860 fs/fs_pin.c:50 acct_on+0x574/0x790 kernel/acct.c:254 __do_sys_acct kernel/acct.c:286 [inline] __se_sys_acct kernel/acct.c:273 [inline] __x64_sys_acct+0xae/0x200 kernel/acct.c:273 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Chain exists of: &ovl_i_mutex_key[depth] --> sb_writers#4 --> &acct->lock#2 Possible unsafe locking scenario: kobject: 'loop5' (000000000775eab2): kobject_uevent_env CPU0 CPU1 ---- ---- lock(&acct->lock#2); lock(sb_writers#4); kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' lock(&acct->lock#2); lock(&ovl_i_mutex_key[depth]); *** DEADLOCK *** 4 locks held by syz-executor.1/26985: #0: 0000000051902f30 (acct_on_mutex){+.+.}, at: __do_sys_acct kernel/acct.c:285 [inline] #0: 0000000051902f30 (acct_on_mutex){+.+.}, at: __se_sys_acct kernel/acct.c:273 [inline] #0: 0000000051902f30 (acct_on_mutex){+.+.}, at: __x64_sys_acct+0xa6/0x200 kernel/acct.c:273 kobject: 'loop5' (000000000775eab2): kobject_uevent_env #1: 00000000a0551010 (sb_writers#18){.+.+}, at: sb_start_write include/linux/fs.h:1569 [inline] #1: 00000000a0551010 (sb_writers#18){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:360 #2: 00000000662b7db1 kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' (&acct->lock#2){+.+.}, at: acct_pin_kill+0x27/0x100 kernel/acct.c:173 #3: 00000000a0551010 (sb_writers#18){.+.+}, at: file_start_write_trylock include/linux/fs.h:2771 [inline] #3: 00000000a0551010 (sb_writers#18){.+.+}, at: do_acct_process+0xf37/0x1150 kernel/acct.c:517 stack backtrace: CPU: 0 PID: 26985 Comm: syz-executor.1 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: 'loop5' (000000000775eab2): kobject_uevent_env __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 kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' 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 acct_pin_kill+0x2f/0x100 kernel/acct.c:174 pin_kill+0x18f/0x860 fs/fs_pin.c:50 acct_on+0x574/0x790 kernel/acct.c:254 __do_sys_acct kernel/acct.c:286 [inline] __se_sys_acct kernel/acct.c:273 [inline] __x64_sys_acct+0xae/0x200 kernel/acct.c:273 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8d3754cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000458da9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200000c0 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d3754d6d4 R13: 00000000004becd2 R14: 00000000004cfa50 R15: 00000000ffffffff kobject: 'batman_adv' (00000000832605b4): kobject_uevent_env kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env Process accounting resumed kobject: 'batman_adv' (00000000832605b4): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'batman_adv' (00000000832605b4): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000832605b4): calling ktype release kobject: (00000000832605b4): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000bf9a442d): kobject_cleanup, parent 0000000093fdde0c kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'rx-0' (00000000bf9a442d): auto cleanup 'remove' event kobject: 'rx-0' (00000000bf9a442d): kobject_uevent_env kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000bf9a442d): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'rx-0' (00000000bf9a442d): auto cleanup kobject_del kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000bf9a442d): calling ktype release kobject: 'loop4' (00000000139dcf79): kobject_uevent_env kobject: 'rx-0': free name kobject: 'tx-0' (0000000027837816): kobject_cleanup, parent 0000000093fdde0c kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000027837816): auto cleanup 'remove' event kobject: 'tx-0' (0000000027837816): kobject_uevent_env kobject: 'tx-0' (0000000027837816): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (0000000027837816): auto cleanup kobject_del kobject: 'tx-0' (0000000027837816): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000093fdde0c): kobject_cleanup, parent (null) kobject: 'queues' (0000000093fdde0c): calling ktype release kobject: 'queues' (0000000093fdde0c): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000b959a7a4): kobject_uevent_env kobject: 'nr0' (00000000b959a7a4): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'lo' (00000000fa163469): kobject_cleanup, parent (null) kobject: 'lo' (00000000fa163469): auto cleanup 'remove' event kobject: 'lo' (00000000fa163469): kobject_uevent_env kobject: 'lo' (00000000fa163469): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (00000000fa163469): calling ktype release kobject: 'lo': free name kobject: 'nr0' (00000000b959a7a4): kobject_cleanup, parent (null) kobject: 'nr0' (00000000b959a7a4): calling ktype release kobject: 'nr0': free name kobject: 'nr0' (000000000c6f8053): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (000000000c6f8053): kobject_uevent_env kobject: 'nr0' (000000000c6f8053): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (0000000078a3aaec): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (0000000078a3aaec): kobject_uevent_env kobject: 'queues' (0000000078a3aaec): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000327ed30e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000327ed30e): kobject_uevent_env kobject: 'rx-0' (00000000327ed30e): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000b9e7a323): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000b9e7a323): kobject_uevent_env kobject: 'tx-0' (00000000b9e7a323): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000da6410a6): kobject_add_internal: parent: 'nr0', set: '' kobject: 'batman_adv' (00000000da6410a6): kobject_uevent_env kobject: 'batman_adv' (00000000da6410a6): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000da6410a6): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000da6410a6): calling ktype release kobject: (00000000da6410a6): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000327ed30e): kobject_cleanup, parent 0000000078a3aaec kobject: 'rx-0' (00000000327ed30e): auto cleanup 'remove' event kobject: 'rx-0' (00000000327ed30e): kobject_uevent_env kobject: 'rx-0' (00000000327ed30e): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000327ed30e): auto cleanup kobject_del kobject: 'rx-0' (00000000327ed30e): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000b9e7a323): kobject_cleanup, parent 0000000078a3aaec kobject: 'tx-0' (00000000b9e7a323): auto cleanup 'remove' event kobject: 'tx-0' (00000000b9e7a323): kobject_uevent_env kobject: 'tx-0' (00000000b9e7a323): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000b9e7a323): auto cleanup kobject_del kobject: 'tx-0' (00000000b9e7a323): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000078a3aaec): kobject_cleanup, parent (null) kobject: 'queues' (0000000078a3aaec): calling ktype release kobject: 'queues' (0000000078a3aaec): kset_release kobject: 'queues': free name kobject: 'nr0' (000000000c6f8053): kobject_uevent_env kobject: 'nr0' (000000000c6f8053): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (000000000c6f8053): kobject_cleanup, parent (null) kobject: 'nr0' (000000000c6f8053): calling ktype release kobject: 'nr0': free name kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nr0' (00000000dc8df4b5): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (00000000dc8df4b5): kobject_uevent_env kobject: 'nr0' (00000000dc8df4b5): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (000000007352239a): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (000000007352239a): kobject_uevent_env kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'queues' (000000007352239a): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env kobject: 'rx-0' (0000000044213e05): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'rx-0' (0000000044213e05): kobject_uevent_env kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000000775eab2): kobject_uevent_env kobject: 'rx-0' (0000000044213e05): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (00000000d2c56e91): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000139dcf79): kobject_uevent_env kobject: 'tx-0' (00000000d2c56e91): kobject_uevent_env kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'tx-0' (00000000d2c56e91): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'batman_adv' (0000000011e9acf1): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000000775eab2): kobject_uevent_env kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000139dcf79): kobject_uevent_env kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv' (0000000011e9acf1): kobject_uevent_env kobject: 'batman_adv' (0000000011e9acf1): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000011e9acf1): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000011e9acf1): calling ktype release kobject: (0000000011e9acf1): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (0000000044213e05): kobject_cleanup, parent 000000007352239a kobject: 'rx-0' (0000000044213e05): auto cleanup 'remove' event kobject: 'rx-0' (0000000044213e05): kobject_uevent_env kobject: 'rx-0' (0000000044213e05): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (0000000044213e05): auto cleanup kobject_del kobject: 'rx-0' (0000000044213e05): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000d2c56e91): kobject_cleanup, parent 000000007352239a kobject: 'tx-0' (00000000d2c56e91): auto cleanup 'remove' event kobject: 'tx-0' (00000000d2c56e91): kobject_uevent_env kobject: 'tx-0' (00000000d2c56e91): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000d2c56e91): auto cleanup kobject_del kobject: 'tx-0' (00000000d2c56e91): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000007352239a): kobject_cleanup, parent (null) kobject: 'queues' (000000007352239a): calling ktype release kobject: 'queues' (000000007352239a): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000dc8df4b5): kobject_uevent_env kobject: 'nr0' (00000000dc8df4b5): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (00000000dc8df4b5): kobject_cleanup, parent (null) kobject: 'nr0' (00000000dc8df4b5): calling ktype release kobject: 'nr0': free name kobject: 'nr0' (0000000026c1b857): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (0000000026c1b857): kobject_uevent_env kobject: 'nr0' (0000000026c1b857): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (0000000084666cb6): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (0000000084666cb6): kobject_uevent_env kobject: 'queues' (0000000084666cb6): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000fe96b228): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000fe96b228): kobject_uevent_env kobject: 'rx-0' (00000000fe96b228): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000aad754c7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000aad754c7): kobject_uevent_env kobject: 'tx-0' (00000000aad754c7): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000f4fbf24e): kobject_add_internal: parent: 'nr0', set: '' kobject: 'rx-0' (00000000bf3c37f1): kobject_cleanup, parent 00000000954780c8 kobject: 'rx-0' (00000000bf3c37f1): auto cleanup 'remove' event kobject: 'rx-0' (00000000bf3c37f1): kobject_uevent_env kobject: 'rx-0' (00000000bf3c37f1): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000bf3c37f1): auto cleanup kobject_del kobject: 'rx-0' (00000000bf3c37f1): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000008c921dac): kobject_cleanup, parent 00000000954780c8 kobject: 'tx-0' (000000008c921dac): auto cleanup 'remove' event kobject: 'tx-0' (000000008c921dac): kobject_uevent_env kobject: 'tx-0' (000000008c921dac): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008c921dac): auto cleanup kobject_del kobject: 'tx-0' (000000008c921dac): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000954780c8): kobject_cleanup, parent (null) kobject: 'queues' (00000000954780c8): calling ktype release kobject: 'queues' (00000000954780c8): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (0000000060ee64ea): kobject_uevent_env kobject: 'ip6gre0' (0000000060ee64ea): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'batman_adv' (00000000f4fbf24e): kobject_uevent_env kobject: 'batman_adv' (00000000f4fbf24e): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000f4fbf24e): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000f4fbf24e): calling ktype release kobject: (00000000f4fbf24e): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000fe96b228): kobject_cleanup, parent 0000000084666cb6 kobject: 'rx-0' (00000000fe96b228): auto cleanup 'remove' event kobject: 'rx-0' (00000000fe96b228): kobject_uevent_env kobject: 'rx-0' (00000000fe96b228): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000fe96b228): auto cleanup kobject_del kobject: 'rx-0' (00000000fe96b228): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000aad754c7): kobject_cleanup, parent 0000000084666cb6 kobject: 'tx-0' (00000000aad754c7): auto cleanup 'remove' event kobject: 'tx-0' (00000000aad754c7): kobject_uevent_env kobject: 'tx-0' (00000000aad754c7): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000aad754c7): auto cleanup kobject_del kobject: 'tx-0' (00000000aad754c7): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000084666cb6): kobject_cleanup, parent (null) kobject: 'queues' (0000000084666cb6): calling ktype release kobject: 'queues' (0000000084666cb6): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000026c1b857): kobject_uevent_env kobject: 'nr0' (0000000026c1b857): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'ip6gre0' (0000000060ee64ea): kobject_cleanup, parent (null) kobject: 'ip6gre0' (0000000060ee64ea): auto cleanup 'remove' event kobject: 'ip6gre0' (0000000060ee64ea): kobject_uevent_env kobject: 'ip6gre0' (0000000060ee64ea): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (0000000026c1b857): kobject_cleanup, parent (null) kobject: 'ip6gre0' (0000000060ee64ea): calling ktype release kobject: 'nr0' (0000000026c1b857): calling ktype release kobject: 'nr0': free name kobject: 'ip6gre0': free name kobject: 'rx-0' (0000000091ab52db): kobject_cleanup, parent 00000000e9563f43 kobject: 'rx-0' (0000000091ab52db): auto cleanup 'remove' event kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (0000000091ab52db): kobject_uevent_env kobject: 'rx-0' (0000000091ab52db): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (0000000091ab52db): auto cleanup kobject_del kobject: 'rx-0' (0000000091ab52db): calling ktype release FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 27099 Comm: syz-executor.2 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __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+0x47/0x700 mm/slab.c:3557 kmem_cache_zalloc include/linux/slab.h:699 [inline] ebitmap_cpy+0xcd/0x270 security/selinux/ss/ebitmap.c:60 mls_context_cpy_low security/selinux/ss/context.h:71 [inline] mls_compute_sid+0x5d0/0xf60 security/selinux/ss/mls.c:566 security_compute_sid.part.0+0xad9/0x15d0 security/selinux/ss/services.c:1785 kobject: 'loop5' (000000000775eab2): kobject_uevent_env security_compute_sid security/selinux/ss/services.c:1825 [inline] security_transition_sid+0x126/0x190 security/selinux/ss/services.c:1825 socket_sockcreate_sid security/selinux/hooks.c:4534 [inline] socket_sockcreate_sid security/selinux/hooks.c:4526 [inline] selinux_socket_create+0x452/0x610 security/selinux/hooks.c:4568 kobject: 'rx-0': free name security_socket_create+0x81/0xc0 security/security.c:1379 __sock_create+0x8e/0x750 net/socket.c:1231 kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 kobject: 'tx-0' (0000000097d65b8e): kobject_cleanup, parent 00000000e9563f43 __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007facfa41fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 kobject: 'loop4' (00000000139dcf79): kobject_uevent_env RAX: ffffffffffffffda RBX: 00007facfa41fc90 RCX: 0000000000458da9 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007facfa4206d4 R13: 00000000004c7484 R14: 00000000004dd1c0 R15: 0000000000000003 kobject: 'tx-0' (0000000097d65b8e): auto cleanup 'remove' event kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (0000000097d65b8e): kobject_uevent_env kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env kobject: 'tx-0' (0000000097d65b8e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (0000000097d65b8e): auto cleanup kobject_del kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'tx-0' (0000000097d65b8e): calling ktype release kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0': free name kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'queues' (00000000e9563f43): kobject_cleanup, parent (null) kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (00000000e9563f43): calling ktype release kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'queues' (00000000e9563f43): kset_release kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues': free name kobject: 'loop4' (00000000139dcf79): kobject_uevent_env kobject: 'ip6tnl0' (00000000f0fea092): kobject_uevent_env kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6tnl0' (00000000f0fea092): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'nr0' (00000000bcea8972): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nr0' (00000000bcea8972): kobject_uevent_env kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env kobject: 'nr0' (00000000bcea8972): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (000000004b362d11): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'queues' (000000004b362d11): kobject_uevent_env kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000004b362d11): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000007495e972): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000007495e972): kobject_uevent_env kobject: 'rx-0' (000000007495e972): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000393c14fc): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000393c14fc): kobject_uevent_env kobject: 'tx-0' (00000000393c14fc): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (0000000004384a2e): kobject_add_internal: parent: 'nr0', set: '' kobject: 'ip6tnl0' (00000000f0fea092): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000f0fea092): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000f0fea092): kobject_uevent_env kobject: 'ip6tnl0' (00000000f0fea092): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000f0fea092): calling ktype release kobject: 'ip6tnl0': free name kobject: 'batman_adv' (0000000004384a2e): kobject_uevent_env kobject: 'batman_adv' (0000000004384a2e): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000004384a2e): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000004384a2e): calling ktype release kobject: (0000000004384a2e): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000007495e972): kobject_cleanup, parent 000000004b362d11 kobject: 'rx-0' (000000007495e972): auto cleanup 'remove' event kobject: 'rx-0' (000000007495e972): kobject_uevent_env kobject: 'rx-0' (000000007495e972): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (000000007495e972): auto cleanup kobject_del kobject: 'rx-0' (000000007495e972): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000393c14fc): kobject_cleanup, parent 000000004b362d11 kobject: 'tx-0' (00000000393c14fc): auto cleanup 'remove' event kobject: 'tx-0' (00000000393c14fc): kobject_uevent_env kobject: 'tx-0' (00000000393c14fc): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000393c14fc): auto cleanup kobject_del kobject: 'tx-0' (00000000393c14fc): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004b362d11): kobject_cleanup, parent (null) kobject: 'queues' (000000004b362d11): calling ktype release kobject: 'queues' (000000004b362d11): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000bcea8972): kobject_uevent_env kobject: 'nr0' (00000000bcea8972): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'rx-0' (000000009980bdd3): kobject_cleanup, parent 00000000ed3470b3 kobject: 'rx-0' (000000009980bdd3): auto cleanup 'remove' event kobject: 'rx-0' (000000009980bdd3): kobject_uevent_env kobject: 'rx-0' (000000009980bdd3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000009980bdd3): auto cleanup kobject_del kobject: 'rx-0' (000000009980bdd3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000396447f6): kobject_cleanup, parent 00000000ed3470b3 kobject: 'tx-0' (00000000396447f6): auto cleanup 'remove' event kobject: 'tx-0' (00000000396447f6): kobject_uevent_env kobject: 'tx-0' (00000000396447f6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000396447f6): auto cleanup kobject_del kobject: 'tx-0' (00000000396447f6): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ed3470b3): kobject_cleanup, parent (null) kobject: 'queues' (00000000ed3470b3): calling ktype release kobject: 'queues' (00000000ed3470b3): kset_release kobject: 'queues': free name kobject: 'sit0' (00000000f0818572): kobject_uevent_env kobject: 'sit0' (00000000f0818572): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (00000000bcea8972): kobject_cleanup, parent (null) kobject: 'nr0' (00000000bcea8972): calling ktype release kobject: 'nr0': free name kobject: 'sit0' (00000000f0818572): kobject_cleanup, parent (null) kobject: 'nr0' (0000000064910825): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'sit0' (00000000f0818572): auto cleanup 'remove' event kobject: 'sit0' (00000000f0818572): kobject_uevent_env kobject: 'sit0' (00000000f0818572): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (00000000f0818572): calling ktype release kobject: 'nr0' (0000000064910825): kobject_uevent_env kobject: 'sit0': free name kobject: 'nr0' (0000000064910825): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (00000000dd2b47a5): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (00000000dd2b47a5): kobject_uevent_env kobject: 'queues' (00000000dd2b47a5): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000295caae5): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000295caae5): kobject_uevent_env kobject: 'rx-0' (00000000295caae5): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000aaafc8fe): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000aaafc8fe): kobject_uevent_env kobject: 'tx-0' (00000000aaafc8fe): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (000000009470e787): kobject_add_internal: parent: 'nr0', set: '' kobject: 'rx-0' (000000006322144b): kobject_cleanup, parent 00000000790ee677 kobject: 'rx-0' (000000006322144b): auto cleanup 'remove' event kobject: 'rx-0' (000000006322144b): kobject_uevent_env kobject: 'rx-0' (000000006322144b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006322144b): auto cleanup kobject_del kobject: 'rx-0' (000000006322144b): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000fece1080): kobject_cleanup, parent 00000000790ee677 kobject: 'tx-0' (00000000fece1080): auto cleanup 'remove' event kobject: 'tx-0' (00000000fece1080): kobject_uevent_env kobject: 'tx-0' (00000000fece1080): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000fece1080): auto cleanup kobject_del kobject: 'tx-0' (00000000fece1080): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000790ee677): kobject_cleanup, parent (null) kobject: 'queues' (00000000790ee677): calling ktype release kobject: 'queues' (00000000790ee677): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (0000000026b2ac61): kobject_uevent_env kobject: 'ip6_vti0' (0000000026b2ac61): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'batman_adv' (000000009470e787): kobject_uevent_env kobject: 'batman_adv' (000000009470e787): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (000000009470e787): kobject_cleanup, parent (null) kobject: 'batman_adv' (000000009470e787): calling ktype release kobject: (000000009470e787): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000295caae5): kobject_cleanup, parent 00000000dd2b47a5 kobject: 'rx-0' (00000000295caae5): auto cleanup 'remove' event kobject: 'rx-0' (00000000295caae5): kobject_uevent_env kobject: 'rx-0' (00000000295caae5): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000295caae5): auto cleanup kobject_del kobject: 'rx-0' (00000000295caae5): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000aaafc8fe): kobject_cleanup, parent 00000000dd2b47a5 kobject: 'tx-0' (00000000aaafc8fe): auto cleanup 'remove' event kobject: 'tx-0' (00000000aaafc8fe): kobject_uevent_env kobject: 'tx-0' (00000000aaafc8fe): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000aaafc8fe): auto cleanup kobject_del kobject: 'tx-0' (00000000aaafc8fe): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000dd2b47a5): kobject_cleanup, parent (null) kobject: 'queues' (00000000dd2b47a5): calling ktype release kobject: 'queues' (00000000dd2b47a5): kset_release kobject: 'queues': free name kobject: 'nr0' (0000000064910825): kobject_uevent_env kobject: 'nr0' (0000000064910825): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'ip6_vti0' (0000000026b2ac61): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (0000000026b2ac61): auto cleanup 'remove' event kobject: 'ip6_vti0' (0000000026b2ac61): kobject_uevent_env kobject: 'ip6_vti0' (0000000026b2ac61): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (0000000026b2ac61): calling ktype release kobject: 'ip6_vti0': free name kobject: 'nr0' (0000000064910825): kobject_cleanup, parent (null) kobject: 'nr0' (0000000064910825): calling ktype release kobject: 'nr0': free name kobject: 'rx-0' (000000000a6fbfe1): kobject_cleanup, parent 0000000025512f52 kobject: 'rx-0' (000000000a6fbfe1): auto cleanup 'remove' event kobject: 'rx-0' (000000000a6fbfe1): kobject_uevent_env kobject: 'loop0' (000000003282694c): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 27128 Comm: syz-executor.2 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __should_failslab+0x121/0x190 mm/failslab.c:32 kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' 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+0x47/0x700 mm/slab.c:3557 kobject: 'rx-0' (000000000a6fbfe1): kobject_uevent_env: uevent_suppress caused the event to drop! kmem_cache_zalloc include/linux/slab.h:699 [inline] ebitmap_cpy+0xcd/0x270 security/selinux/ss/ebitmap.c:60 mls_context_cpy_low security/selinux/ss/context.h:71 [inline] mls_compute_sid+0x5d0/0xf60 security/selinux/ss/mls.c:566 kobject: 'rx-0' (000000000a6fbfe1): auto cleanup kobject_del security_compute_sid.part.0+0xad9/0x15d0 security/selinux/ss/services.c:1785 security_compute_sid security/selinux/ss/services.c:1825 [inline] security_transition_sid+0x126/0x190 security/selinux/ss/services.c:1825 kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env socket_sockcreate_sid security/selinux/hooks.c:4534 [inline] socket_sockcreate_sid security/selinux/hooks.c:4526 [inline] selinux_socket_create+0x452/0x610 security/selinux/hooks.c:4568 security_socket_create+0x81/0xc0 security/security.c:1379 __sock_create+0x8e/0x750 net/socket.c:1231 kobject: 'rx-0' (000000000a6fbfe1): calling ktype release sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 kobject: 'rx-0': free name __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 kobject: 'tx-0' (0000000027a7d6e4): kobject_cleanup, parent 0000000025512f52 RSP: 002b:00007facfa41fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007facfa41fc90 RCX: 0000000000458da9 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007facfa4206d4 R13: 00000000004c7484 R14: 00000000004dd1c0 R15: 0000000000000003 kobject: 'loop4' (00000000139dcf79): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 27149 Comm: syz-executor.2 Not tainted 4.19.37 #5 kobject: 'tx-0' (0000000027a7d6e4): auto cleanup 'remove' event Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: kobject: 'tx-0' (0000000027a7d6e4): kobject_uevent_env __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'tx-0' (0000000027a7d6e4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000027a7d6e4): auto cleanup kobject_del __should_failslab+0x121/0x190 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 kobject: 'tx-0' (0000000027a7d6e4): calling ktype release slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x47/0x700 mm/slab.c:3557 kobject: 'tx-0': free name kmem_cache_zalloc include/linux/slab.h:699 [inline] ebitmap_cpy+0xcd/0x270 security/selinux/ss/ebitmap.c:60 kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000139dcf79): kobject_uevent_env mls_context_cpy_low security/selinux/ss/context.h:71 [inline] mls_compute_sid+0x5d0/0xf60 security/selinux/ss/mls.c:566 kobject: 'queues' (0000000025512f52): kobject_cleanup, parent (null) security_compute_sid.part.0+0xad9/0x15d0 security/selinux/ss/services.c:1785 kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (0000000025512f52): calling ktype release security_compute_sid security/selinux/ss/services.c:1825 [inline] security_transition_sid+0x126/0x190 security/selinux/ss/services.c:1825 socket_sockcreate_sid security/selinux/hooks.c:4534 [inline] socket_sockcreate_sid security/selinux/hooks.c:4526 [inline] selinux_socket_create+0x452/0x610 security/selinux/hooks.c:4568 kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'queues' (0000000025512f52): kset_release kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' security_socket_create+0x81/0xc0 security/security.c:1379 __sock_create+0x8e/0x750 net/socket.c:1231 kobject: 'queues': free name sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 kobject: 'ip_vti0' (0000000074a5f921): kobject_uevent_env __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 kobject: 'loop2' (0000000062212ce3): kobject_uevent_env do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' 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:00007facfa41fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 kobject: 'ip_vti0' (0000000074a5f921): kobject_uevent_env: uevent_suppress caused the event to drop! RAX: ffffffffffffffda RBX: 00007facfa41fc90 RCX: 0000000000458da9 kobject: 'loop4' (00000000139dcf79): kobject_uevent_env RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007facfa4206d4 R13: 00000000004c7484 R14: 00000000004dd1c0 R15: 0000000000000003 kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'nr0' (00000000c58afe3d): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'nr0' (00000000c58afe3d): kobject_uevent_env kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'nr0' (00000000c58afe3d): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'loop5' (000000000775eab2): kobject_uevent_env kobject: 'queues' (000000003c0d46bb): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (000000003c0d46bb): kobject_uevent_env kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'queues' (000000003c0d46bb): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (0000000019c972e9): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000139dcf79): kobject_uevent_env kobject: 'rx-0' (0000000019c972e9): kobject_uevent_env kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (0000000019c972e9): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'tx-0' (00000000499d0797): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000499d0797): kobject_uevent_env kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'tx-0' (00000000499d0797): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'batman_adv' (0000000066df25de): kobject_add_internal: parent: 'nr0', set: '' kobject: 'batman_adv' (0000000066df25de): kobject_uevent_env kobject: 'batman_adv' (0000000066df25de): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000066df25de): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000066df25de): calling ktype release kobject: (0000000066df25de): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (0000000019c972e9): kobject_cleanup, parent 000000003c0d46bb kobject: 'rx-0' (0000000019c972e9): auto cleanup 'remove' event kobject: 'rx-0' (0000000019c972e9): kobject_uevent_env kobject: 'rx-0' (0000000019c972e9): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (0000000019c972e9): auto cleanup kobject_del kobject: 'rx-0' (0000000019c972e9): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000499d0797): kobject_cleanup, parent 000000003c0d46bb kobject: 'tx-0' (00000000499d0797): auto cleanup 'remove' event kobject: 'tx-0' (00000000499d0797): kobject_uevent_env kobject: 'tx-0' (00000000499d0797): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000499d0797): auto cleanup kobject_del kobject: 'tx-0' (00000000499d0797): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000003c0d46bb): kobject_cleanup, parent (null) kobject: 'queues' (000000003c0d46bb): calling ktype release kobject: 'queues' (000000003c0d46bb): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000c58afe3d): kobject_uevent_env kobject: 'nr0' (00000000c58afe3d): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'ip_vti0' (0000000074a5f921): kobject_cleanup, parent (null) kobject: 'nr0' (00000000e73fb4fb): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ip_vti0' (0000000074a5f921): auto cleanup 'remove' event kobject: 'nr0' (00000000e73fb4fb): kobject_uevent_env kobject: 'ip_vti0' (0000000074a5f921): kobject_uevent_env kobject: 'nr0' (00000000e73fb4fb): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'ip_vti0' (0000000074a5f921): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'queues' (000000006cfcac10): kobject_add_internal: parent: 'nr0', set: '' kobject: 'ip_vti0' (0000000074a5f921): calling ktype release kobject: 'queues' (000000006cfcac10): kobject_uevent_env kobject: 'ip_vti0': free name kobject: 'queues' (000000006cfcac10): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000003f043c36): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000003f043c36): kobject_uevent_env kobject: 'rx-0' (000000003f043c36): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (0000000090336ded): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (0000000090336ded): kobject_uevent_env kobject: 'tx-0' (0000000090336ded): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000f12d0ee8): kobject_add_internal: parent: 'nr0', set: '' kobject: 'batman_adv' (00000000f12d0ee8): kobject_uevent_env kobject: 'batman_adv' (00000000f12d0ee8): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000f12d0ee8): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000f12d0ee8): calling ktype release kobject: (00000000f12d0ee8): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000003f043c36): kobject_cleanup, parent 000000006cfcac10 kobject: 'rx-0' (000000003f043c36): auto cleanup 'remove' event kobject: 'rx-0' (000000003f043c36): kobject_uevent_env kobject: 'rx-0' (000000003f043c36): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (000000003f043c36): auto cleanup kobject_del kobject: 'rx-0' (000000003f043c36): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000090336ded): kobject_cleanup, parent 000000006cfcac10 kobject: 'tx-0' (0000000090336ded): auto cleanup 'remove' event kobject: 'tx-0' (0000000090336ded): kobject_uevent_env kobject: 'tx-0' (0000000090336ded): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (0000000090336ded): auto cleanup kobject_del kobject: 'tx-0' (0000000090336ded): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000006cfcac10): kobject_cleanup, parent (null) kobject: 'queues' (000000006cfcac10): calling ktype release kobject: 'queues' (000000006cfcac10): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000e73fb4fb): kobject_uevent_env kobject: 'nr0' (00000000e73fb4fb): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (00000000c58afe3d): kobject_cleanup, parent (null) kobject: 'nr0' (00000000c58afe3d): calling ktype release kobject: 'nr0': free name kobject: 'batman_adv' (00000000d3be9547): kobject_uevent_env kobject: 'batman_adv' (00000000d3be9547): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000d3be9547): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000d3be9547): calling ktype release kobject: (00000000d3be9547): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (0000000096934937): kobject_cleanup, parent 000000000ca093d5 kobject: 'rx-0' (0000000096934937): auto cleanup 'remove' event kobject: 'rx-0' (0000000096934937): kobject_uevent_env kobject: 'rx-0' (0000000096934937): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000096934937): auto cleanup kobject_del kobject: 'rx-0' (0000000096934937): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000cda86001): kobject_cleanup, parent 000000000ca093d5 kobject: 'tx-0' (00000000cda86001): auto cleanup 'remove' event kobject: 'tx-0' (00000000cda86001): kobject_uevent_env kobject: 'tx-0' (00000000cda86001): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000cda86001): auto cleanup kobject_del kobject: 'tx-0' (00000000cda86001): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000000ca093d5): kobject_cleanup, parent (null) kobject: 'queues' (000000000ca093d5): calling ktype release kobject: 'queues' (000000000ca093d5): kset_release kobject: 'queues': free name kobject: 'erspan0' (0000000000946ae9): kobject_uevent_env kobject: 'erspan0' (0000000000946ae9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (00000000e73fb4fb): kobject_cleanup, parent (null) kobject: 'nr0' (00000000e73fb4fb): calling ktype release kobject: 'erspan0' (0000000000946ae9): kobject_cleanup, parent (null) kobject: 'erspan0' (0000000000946ae9): auto cleanup 'remove' event kobject: 'erspan0' (0000000000946ae9): kobject_uevent_env kobject: 'erspan0' (0000000000946ae9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0': free name kobject: 'erspan0' (0000000000946ae9): calling ktype release kobject: 'loop0' (000000003282694c): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000000775eab2): kobject_uevent_env kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'nr0' (00000000e88758b3): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'erspan0': free name CPU: 1 PID: 27175 Comm: syz-executor.2 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'nr0' (00000000e88758b3): kobject_uevent_env __should_failslab+0x121/0x190 mm/failslab.c:32 kobject: 'nr0' (00000000e88758b3): fill_kobj_path: path = '/devices/virtual/net/nr0' should_failslab+0x9/0x14 mm/slab_common.c:1557 kobject: 'queues' (00000000de371260): kobject_add_internal: parent: 'nr0', set: '' slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x2b1/0x700 mm/slab.c:3557 sock_alloc_inode+0x1d/0x260 net/socket.c:244 alloc_inode+0x66/0x190 fs/inode.c:210 new_inode_pseudo+0x19/0xf0 fs/inode.c:903 sock_alloc+0x41/0x270 net/socket.c:547 kobject: 'queues' (00000000de371260): kobject_uevent_env __sock_create+0xc0/0x750 net/socket.c:1240 sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 kobject: 'queues' (00000000de371260): kobject_uevent_env: filter function caused the event to drop! do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007facfa41fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007facfa41fc90 RCX: 0000000000458da9 kobject: 'rx-0' (000000009ae056f0): kobject_add_internal: parent: 'queues', set: 'queues' RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007facfa4206d4 R13: 00000000004c7484 R14: 00000000004dd1c0 R15: 0000000000000003 socket: no more sockets kobject: 'rx-0' (000000009ae056f0): kobject_uevent_env kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'rx-0' (000000009ae056f0): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000af794e6e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'tx-0' (00000000af794e6e): kobject_uevent_env kobject: 'tx-0' (00000000af794e6e): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'batman_adv' (0000000070440ad6): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env kobject: 'batman_adv' (000000003b286232): kobject_uevent_env kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'batman_adv' (000000003b286232): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (000000003b286232): kobject_cleanup, parent (null) kobject: 'loop4' (00000000139dcf79): kobject_uevent_env kobject: 'batman_adv' (000000003b286232): calling ktype release kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: (000000003b286232): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'rx-0' (000000000ef0d064): kobject_cleanup, parent 00000000d9e47bc2 kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (000000000ef0d064): auto cleanup 'remove' event kobject: 'rx-0' (000000000ef0d064): kobject_uevent_env kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'rx-0' (000000000ef0d064): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000000ef0d064): auto cleanup kobject_del kobject: 'rx-0' (000000000ef0d064): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000df13e477): kobject_cleanup, parent 00000000d9e47bc2 kobject: 'tx-0' (00000000df13e477): auto cleanup 'remove' event kobject: 'tx-0' (00000000df13e477): kobject_uevent_env kobject: 'tx-0' (00000000df13e477): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000df13e477): auto cleanup kobject_del kobject: 'tx-0' (00000000df13e477): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000d9e47bc2): kobject_cleanup, parent (null) kobject: 'queues' (00000000d9e47bc2): calling ktype release kobject: 'queues' (00000000d9e47bc2): kset_release kobject: 'queues': free name kobject: 'gretap0' (0000000068adf304): kobject_uevent_env kobject: 'gretap0' (0000000068adf304): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'batman_adv' (0000000070440ad6): kobject_uevent_env kobject: 'batman_adv' (0000000070440ad6): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000070440ad6): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000070440ad6): calling ktype release kobject: (0000000070440ad6): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000009ae056f0): kobject_cleanup, parent 00000000de371260 kobject: 'rx-0' (000000009ae056f0): auto cleanup 'remove' event kobject: 'rx-0' (000000009ae056f0): kobject_uevent_env kobject: 'rx-0' (000000009ae056f0): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (000000009ae056f0): auto cleanup kobject_del kobject: 'rx-0' (000000009ae056f0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000af794e6e): kobject_cleanup, parent 00000000de371260 kobject: 'tx-0' (00000000af794e6e): auto cleanup 'remove' event kobject: 'tx-0' (00000000af794e6e): kobject_uevent_env kobject: 'tx-0' (00000000af794e6e): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000af794e6e): auto cleanup kobject_del kobject: 'tx-0' (00000000af794e6e): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000de371260): kobject_cleanup, parent (null) kobject: 'queues' (00000000de371260): calling ktype release kobject: 'queues' (00000000de371260): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000e88758b3): kobject_uevent_env kobject: 'nr0' (00000000e88758b3): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'gretap0' (0000000068adf304): kobject_cleanup, parent (null) kobject: 'gretap0' (0000000068adf304): auto cleanup 'remove' event kobject: 'gretap0' (0000000068adf304): kobject_uevent_env kobject: 'gretap0' (0000000068adf304): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gretap0' (0000000068adf304): calling ktype release kobject: 'gretap0': free name kobject: 'rx-0' (000000006702d7c7): kobject_cleanup, parent 00000000490c064a kobject: 'rx-0' (000000006702d7c7): auto cleanup 'remove' event kobject: 'rx-0' (000000006702d7c7): kobject_uevent_env kobject: 'rx-0' (000000006702d7c7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006702d7c7): auto cleanup kobject_del kobject: 'rx-0' (000000006702d7c7): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a645b2fc): kobject_cleanup, parent 00000000490c064a kobject: 'tx-0' (00000000a645b2fc): auto cleanup 'remove' event kobject: 'tx-0' (00000000a645b2fc): kobject_uevent_env kobject: 'tx-0' (00000000a645b2fc): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000a645b2fc): auto cleanup kobject_del kobject: 'tx-0' (00000000a645b2fc): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000490c064a): kobject_cleanup, parent (null) kobject: 'queues' (00000000490c064a): calling ktype release kobject: 'queues' (00000000490c064a): kset_release kobject: 'queues': free name kobject: 'gre0' (0000000099142ae3): kobject_uevent_env kobject: 'gre0' (0000000099142ae3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (00000000e88758b3): kobject_cleanup, parent (null) kobject: 'nr0' (00000000e88758b3): calling ktype release kobject: 'nr0': free name kobject: 'gre0' (0000000099142ae3): kobject_cleanup, parent (null) kobject: 'nr0' (000000009e923a6f): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'gre0' (0000000099142ae3): auto cleanup 'remove' event kobject: 'gre0' (0000000099142ae3): kobject_uevent_env kobject: 'nr0' (000000009e923a6f): kobject_uevent_env kobject: 'gre0' (0000000099142ae3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (000000009e923a6f): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'gre0' (0000000099142ae3): calling ktype release kobject: 'queues' (00000000b5203fef): kobject_add_internal: parent: 'nr0', set: '' kobject: 'gre0': free name kobject: 'queues' (00000000b5203fef): kobject_uevent_env kobject: 'queues' (00000000b5203fef): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000e5b2cd9e): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000e5b2cd9e): kobject_uevent_env kobject: 'rx-0' (00000000e5b2cd9e): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000b269b862): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000b269b862): kobject_uevent_env kobject: 'tx-0' (00000000b269b862): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000750dc148): kobject_add_internal: parent: 'nr0', set: '' kobject: 'rx-0' (000000003da5a8f3): kobject_cleanup, parent 000000009bacb56c kobject: 'rx-0' (000000003da5a8f3): auto cleanup 'remove' event kobject: 'rx-0' (000000003da5a8f3): kobject_uevent_env kobject: 'rx-0' (000000003da5a8f3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000003da5a8f3): auto cleanup kobject_del kobject: 'rx-0' (000000003da5a8f3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004c778253): kobject_cleanup, parent 000000009bacb56c kobject: 'tx-0' (000000004c778253): auto cleanup 'remove' event kobject: 'tx-0' (000000004c778253): kobject_uevent_env kobject: 'tx-0' (000000004c778253): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004c778253): auto cleanup kobject_del kobject: 'tx-0' (000000004c778253): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000009bacb56c): kobject_cleanup, parent (null) kobject: 'queues' (000000009bacb56c): calling ktype release kobject: 'queues' (000000009bacb56c): kset_release kobject: 'queues': free name kobject: 'tunl0' (00000000cb822a86): kobject_uevent_env kobject: 'tunl0' (00000000cb822a86): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'batman_adv' (00000000750dc148): kobject_uevent_env kobject: 'batman_adv' (00000000750dc148): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000750dc148): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000750dc148): calling ktype release kobject: (00000000750dc148): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000e5b2cd9e): kobject_cleanup, parent 00000000b5203fef kobject: 'rx-0' (00000000e5b2cd9e): auto cleanup 'remove' event kobject: 'rx-0' (00000000e5b2cd9e): kobject_uevent_env kobject: 'rx-0' (00000000e5b2cd9e): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000e5b2cd9e): auto cleanup kobject_del kobject: 'rx-0' (00000000e5b2cd9e): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000b269b862): kobject_cleanup, parent 00000000b5203fef kobject: 'tx-0' (00000000b269b862): auto cleanup 'remove' event kobject: 'tx-0' (00000000b269b862): kobject_uevent_env kobject: 'tx-0' (00000000b269b862): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000b269b862): auto cleanup kobject_del kobject: 'tx-0' (00000000b269b862): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b5203fef): kobject_cleanup, parent (null) kobject: 'queues' (00000000b5203fef): calling ktype release kobject: 'queues' (00000000b5203fef): kset_release kobject: 'queues': free name kobject: 'nr0' (000000009e923a6f): kobject_uevent_env kobject: 'nr0' (000000009e923a6f): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'tunl0' (00000000cb822a86): kobject_cleanup, parent (null) kobject: 'tunl0' (00000000cb822a86): auto cleanup 'remove' event kobject: 'tunl0' (00000000cb822a86): kobject_uevent_env kobject: 'tunl0' (00000000cb822a86): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'nr0' (000000009e923a6f): kobject_cleanup, parent (null) kobject: 'tunl0' (00000000cb822a86): calling ktype release kobject: 'nr0' (000000009e923a6f): calling ktype release kobject: 'tunl0': free name kobject: 'nr0': free name kobject: 'rx-0' (000000006d3e22af): kobject_cleanup, parent 000000000db39600 kobject: 'rx-0' (000000006d3e22af): auto cleanup 'remove' event kobject: 'rx-0' (000000006d3e22af): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (000000006d3e22af): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000006d3e22af): auto cleanup kobject_del CPU: 0 PID: 27212 Comm: syz-executor.2 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 __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] sock_alloc_inode+0x63/0x260 net/socket.c:247 alloc_inode+0x66/0x190 fs/inode.c:210 new_inode_pseudo+0x19/0xf0 fs/inode.c:903 sock_alloc+0x41/0x270 net/socket.c:547 __sock_create+0xc0/0x750 net/socket.c:1240 sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007facfa41fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007facfa41fc90 RCX: 0000000000458da9 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007facfa4206d4 R13: 00000000004c7484 R14: 00000000004dd1c0 R15: 0000000000000003 kobject: 'rx-0' (000000006d3e22af): calling ktype release kobject: 'loop4' (00000000139dcf79): kobject_uevent_env kobject: 'rx-0': free name kobject: 'loop4' (00000000139dcf79): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000f9a62ce4): kobject_cleanup, parent 000000000db39600 kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'tx-0' (00000000f9a62ce4): auto cleanup 'remove' event kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000000775eab2): kobject_uevent_env kobject: 'tx-0' (00000000f9a62ce4): kobject_uevent_env kobject: 'tx-0' (00000000f9a62ce4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000f9a62ce4): auto cleanup kobject_del kobject: 'tx-0' (00000000f9a62ce4): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000000db39600): kobject_cleanup, parent (null) kobject: 'queues' (000000000db39600): calling ktype release kobject: 'queues' (000000000db39600): kset_release kobject: 'queues': free name kobject: 'lo' (00000000216acf67): kobject_uevent_env kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'lo' (00000000216acf67): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (000000003282694c): kobject_uevent_env socket: no more sockets kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'nr0' (00000000a5cbd31f): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env kobject: 'nr0' (00000000a5cbd31f): kobject_uevent_env kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'nr0' (00000000a5cbd31f): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (000000009a74139b): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop1' (0000000054db71a2): kobject_uevent_env kobject: 'queues' (000000009a74139b): kobject_uevent_env kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (000000009a74139b): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (000000000775eab2): kobject_uevent_env kobject: 'rx-0' (00000000e4e40f6c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (000000000775eab2): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000e4e40f6c): kobject_uevent_env kobject: 'rx-0' (00000000e4e40f6c): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'loop0' (000000003282694c): kobject_uevent_env kobject: 'tx-0' (00000000bda4441c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (00000000bda4441c): kobject_uevent_env kobject: 'tx-0' (00000000bda4441c): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'loop3' (00000000e4b6a8d0): kobject_uevent_env kobject: 'batman_adv' (0000000052934cc5): kobject_add_internal: parent: 'nr0', set: '' kobject: 'loop3' (00000000e4b6a8d0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000062212ce3): kobject_uevent_env kobject: 'lo' (00000000216acf67): kobject_cleanup, parent (null) kobject: 'loop2' (0000000062212ce3): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'lo' (00000000216acf67): auto cleanup 'remove' event kobject: 'lo' (00000000216acf67): kobject_uevent_env kobject: 'lo' (00000000216acf67): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (00000000216acf67): calling ktype release kobject: 'lo': free name kobject: 'batman_adv' (0000000052934cc5): kobject_uevent_env kobject: 'batman_adv' (0000000052934cc5): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000052934cc5): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000052934cc5): calling ktype release kobject: (0000000052934cc5): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000e4e40f6c): kobject_cleanup, parent 000000009a74139b kobject: 'rx-0' (00000000e4e40f6c): auto cleanup 'remove' event kobject: 'rx-0' (00000000e4e40f6c): kobject_uevent_env kobject: 'rx-0' (00000000e4e40f6c): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (00000000e4e40f6c): auto cleanup kobject_del kobject: 'rx-0' (00000000e4e40f6c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000bda4441c): kobject_cleanup, parent 000000009a74139b kobject: 'tx-0' (00000000bda4441c): auto cleanup 'remove' event kobject: 'tx-0' (00000000bda4441c): kobject_uevent_env kobject: 'tx-0' (00000000bda4441c): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000bda4441c): auto cleanup kobject_del kobject: 'tx-0' (00000000bda4441c): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000009a74139b): kobject_cleanup, parent (null) kobject: 'queues' (000000009a74139b): calling ktype release kobject: 'queues' (000000009a74139b): kset_release kobject: 'queues': free name kobject: 'nr0' (00000000a5cbd31f): kobject_uevent_env kobject: 'nr0' (00000000a5cbd31f): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (00000000a5cbd31f): kobject_cleanup, parent (null) kobject: 'nr0' (00000000a5cbd31f): calling ktype release kobject: 'nr0': free name kobject: 'nr0' (000000006e8affc0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'nr0' (000000006e8affc0): kobject_uevent_env kobject: 'nr0' (000000006e8affc0): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'queues' (00000000bcf228ae): kobject_add_internal: parent: 'nr0', set: '' kobject: 'queues' (00000000bcf228ae): kobject_uevent_env kobject: 'queues' (00000000bcf228ae): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (0000000016083d2c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (0000000016083d2c): kobject_uevent_env kobject: 'rx-0' (0000000016083d2c): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'tx-0' (00000000431c8607): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000431c8607): kobject_uevent_env kobject: 'tx-0' (00000000431c8607): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'batman_adv' (00000000db2c703c): kobject_add_internal: parent: 'nr0', set: '' kobject: 'batman_adv' (00000000db2c703c): kobject_uevent_env kobject: 'batman_adv' (00000000db2c703c): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000db2c703c): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000db2c703c): calling ktype release kobject: (00000000db2c703c): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (0000000016083d2c): kobject_cleanup, parent 00000000bcf228ae kobject: 'rx-0' (0000000016083d2c): auto cleanup 'remove' event kobject: 'rx-0' (0000000016083d2c): kobject_uevent_env kobject: 'rx-0' (0000000016083d2c): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/rx-0' kobject: 'rx-0' (0000000016083d2c): auto cleanup kobject_del kobject: 'rx-0' (0000000016083d2c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000431c8607): kobject_cleanup, parent 00000000bcf228ae kobject: 'tx-0' (00000000431c8607): auto cleanup 'remove' event kobject: 'tx-0' (00000000431c8607): kobject_uevent_env kobject: 'tx-0' (00000000431c8607): fill_kobj_path: path = '/devices/virtual/net/nr0/queues/tx-0' kobject: 'tx-0' (00000000431c8607): auto cleanup kobject_del kobject: 'tx-0' (00000000431c8607): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000bcf228ae): kobject_cleanup, parent (null) kobject: 'queues' (00000000bcf228ae): calling ktype release kobject: 'queues' (00000000bcf228ae): kset_release kobject: 'queues': free name kobject: 'nr0' (000000006e8affc0): kobject_uevent_env kobject: 'nr0' (000000006e8affc0): fill_kobj_path: path = '/devices/virtual/net/nr0' kobject: 'nr0' (000000006e8affc0): kobject_cleanup, parent (null) kobject: 'nr0' (000000006e8affc0): calling ktype release kobject: 'nr0': free name kobject: 'loop0' (000000003282694c): kobject_uevent_env FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop0' (000000003282694c): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000054db71a2): kobject_uevent_env CPU: 0 PID: 27258 Comm: syz-executor.2 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0xa/0x1b lib/fault-inject.c:149 kobject: 'loop1' (0000000054db71a2): fill_kobj_path: path = '/devices/virtual/block/loop1' __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+0x2b1/0x700 mm/slab.c:3557 kmem_cache_zalloc include/linux/slab.h:699 [inline] inode_alloc_security security/selinux/hooks.c:255 [inline] selinux_inode_alloc_security+0xb6/0x2a0 security/selinux/hooks.c:2985 security_inode_alloc+0x90/0xe0 security/security.c:448 inode_init_always+0x56e/0xb40 fs/inode.c:168 alloc_inode+0x83/0x190 fs/inode.c:217 new_inode_pseudo+0x19/0xf0 fs/inode.c:903