kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN kobject: 'rfkill226' (00000000358a96fb): kobject_uevent_env CPU: 0 PID: 5608 Comm: syz-executor035 Not tainted 4.19.0-rc8+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kernfs_add_one+0x342/0x4d0 fs/kernfs/dir.c:812 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6d 70 49 8d 7d 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 16 01 00 00 45 8b 6d 08 31 ff RSP: 0018:ffff8801d14075d0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8801d799ee00 RCX: ffffffff87af5377 RDX: 0000000000000001 RSI: ffffffff81f7b0da RDI: 0000000000000008 RBP: ffff8801d1407618 R08: fffffbfff128fe41 R09: fffffbfff128fe40 R10: fffffbfff128fe40 R11: ffffffff8947f207 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00000000023f4880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8ee42f0000 CR3: 00000001c7bf5000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'hci5' (0000000062e7e8ab): kobject_add_internal: parent: 'bluetooth', set: 'devices' DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kernfs_create_dir_ns+0xf6/0x160 fs/kernfs/dir.c:1031 sysfs_create_dir_ns+0x19b/0x340 fs/sysfs/dir.c:58 kobject: 'rfkill228': free name kobject: 'rfkill226' (00000000358a96fb): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill226' create_dir lib/kobject.c:88 [inline] kobject_add_internal.cold.11+0x116/0x6af lib/kobject.c:247 kobject: 'hci5' (0000000062e7e8ab): kobject_uevent_env kobject_add_varg lib/kobject.c:382 [inline] kobject_add+0x13f/0x1b0 lib/kobject.c:426 kobject: 'rfkill226' (00000000358a96fb): kobject_cleanup, parent (null) device_add+0x3cf/0x17b0 drivers/base/core.c:1879 kobject: 'hci5' (0000000062e7e8ab): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' hci_register_dev+0x3b3/0x9c0 net/bluetooth/hci_core.c:3196 kobject: 'hci4' (000000009e2ea645): kobject_uevent_env __vhci_create_device+0x2c1/0x580 drivers/bluetooth/hci_vhci.c:139 vhci_create_device drivers/bluetooth/hci_vhci.c:163 [inline] vhci_get_user drivers/bluetooth/hci_vhci.c:219 [inline] vhci_write+0x2de/0x470 drivers/bluetooth/hci_vhci.c:299 kobject: 'rfkill229' (00000000215b4191): kobject_add_internal: parent: 'hci5', set: 'devices' call_write_iter include/linux/fs.h:1808 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x6b8/0x9f0 fs/read_write.c:487 kobject: 'rfkill226' (00000000358a96fb): calling ktype release vfs_write+0x1fc/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 fs/read_write.c:598 kobject: 'rfkill226': free name __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+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'hci4' (000000009e2ea645): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' kobject: 'rfkill229' (00000000215b4191): kobject_uevent_env kobject: 'hci0' (0000000026275e74): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x440e49 kobject: 'rfkill229' (00000000215b4191): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill229' Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc59c1df78 EFLAGS: 00000213 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440e49 RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00000000004002c8 R09: 00000000004002c8 R10: 00000000023f4880 R11: 0000000000000213 R12: 000000000000cb97 kobject: 'hci4' (000000009e2ea645): kobject_cleanup, parent (null) R13: 0000000000401d70 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: kobject: 'hci3' (00000000edfbf0b0): kobject_uevent_env kobject: 'hci4' (000000009e2ea645): calling ktype release kobject: 'hci3' (00000000edfbf0b0): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' kobject: 'rfkill229' (00000000215b4191): kobject_uevent_env kobject: 'rfkill227' (000000005cc9d2bd): kobject_cleanup, parent (null) kobject: 'rfkill229' (00000000215b4191): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill229' kobject: 'rfkill227' (000000005cc9d2bd): calling ktype release kobject: 'rfkill229' (00000000215b4191): kobject_cleanup, parent (null) kobject: 'hci0' (0000000026275e74): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0' kobject: 'rfkill229' (00000000215b4191): calling ktype release kobject: 'rfkill227': free name kobject: 'hci4': free name kobject: 'hci0' (0000000026275e74): kobject_cleanup, parent (null) kobject: 'rfkill229': free name kobject: 'hci0' (0000000026275e74): calling ktype release kobject: 'hci5' (0000000062e7e8ab): kobject_uevent_env kobject: 'hci1' (000000005b3b3e25): kobject_uevent_env kobject: 'hci0' (0000000011c3a720): kobject_add_internal: parent: 'bluetooth', set: 'devices' kobject: 'hci1' (000000005b3b3e25): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' kobject: 'hci5' (0000000062e7e8ab): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' kobject: 'hci0': free name kobject: 'hci0' (0000000011c3a720): kobject_uevent_env kobject: 'hci1' (000000005b3b3e25): kobject_cleanup, parent (null) kobject: 'hci0' (0000000011c3a720): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0' kobject: 'hci3' (00000000edfbf0b0): kobject_cleanup, parent (null) kobject: 'hci5' (0000000062e7e8ab): kobject_cleanup, parent (null) kobject: 'hci3' (00000000edfbf0b0): calling ktype release kobject: 'hci1' (00000000569f1b85): kobject_add_internal: parent: 'bluetooth', set: 'devices' kobject: 'hci1' (000000005b3b3e25): calling ktype release kobject: 'hci5' (0000000062e7e8ab): calling ktype release kobject: 'hci3': free name kobject: 'rfkill230' (00000000c0f23d95): kobject_add_internal: parent: 'hci0', set: 'devices' kobject: 'hci1': free name kobject: 'hci5': free name kobject: 'hci3' (00000000ec9006ae): kobject_add_internal: parent: 'bluetooth', set: 'devices' kobject: 'hci1' (00000000569f1b85): kobject_uevent_env kobject: 'hci4' (00000000c163bcb1): kobject_add_internal: parent: 'bluetooth', set: 'devices' kobject: 'rfkill230' (00000000c0f23d95): kobject_uevent_env kobject: 'hci3' (00000000ec9006ae): kobject_uevent_env kobject: 'hci1' (00000000569f1b85): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' kobject: 'hci4' (00000000c163bcb1): kobject_uevent_env kobject: 'rfkill230' (00000000c0f23d95): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill230' kobject: 'hci4' (00000000c163bcb1): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' kobject: 'rfkill231' (000000009cca3c15): kobject_add_internal: parent: 'hci1', set: 'devices' kobject: 'hci3' (00000000ec9006ae): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' kobject: 'rfkill230' (00000000c0f23d95): kobject_uevent_env kobject: 'hci5' (00000000620a8fbd): kobject_add_internal: parent: 'bluetooth', set: 'devices' kobject: 'rfkill230' (00000000c0f23d95): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill230' kobject: 'hci5' (00000000620a8fbd): kobject_uevent_env ---[ end trace bcd908b15151e270 ]--- kobject: 'rfkill231' (000000009cca3c15): kobject_uevent_env RIP: 0010:kernfs_add_one+0x342/0x4d0 fs/kernfs/dir.c:812 kobject: 'rfkill231' (000000009cca3c15): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill231' Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6d 70 49 8d 7d 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 16 01 00 00 45 8b 6d 08 31 ff kobject: 'hci5' (00000000620a8fbd): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' RSP: 0018:ffff8801d14075d0 EFLAGS: 00010202 kobject: 'rfkill232' (0000000038dfd55a): kobject_add_internal: parent: 'hci4', set: 'devices' kobject: 'rfkill231' (000000009cca3c15): kobject_uevent_env RAX: dffffc0000000000 RBX: ffff8801d799ee00 RCX: ffffffff87af5377 kobject: 'rfkill232' (0000000038dfd55a): kobject_uevent_env RDX: 0000000000000001 RSI: ffffffff81f7b0da RDI: 0000000000000008 kobject: 'rfkill231' (000000009cca3c15): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill231' RBP: ffff8801d1407618 R08: fffffbfff128fe41 R09: fffffbfff128fe40 kobject: 'rfkill232' (0000000038dfd55a): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill232' R10: fffffbfff128fe40 R11: ffffffff8947f207 R12: 0000000000000000 kobject: 'rfkill233' (000000005cdad430): kobject_add_internal: parent: 'hci3', set: 'devices' R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 kobject: 'rfkill233' (000000005cdad430): kobject_uevent_env FS: 00000000023f4880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 kobject: 'rfkill232' (0000000038dfd55a): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'rfkill232' (0000000038dfd55a): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill232' CR2: 0000000000414ac0 CR3: 00000001c7bf5000 CR4: 00000000001406e0 kobject: 'rfkill233' (000000005cdad430): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill233' DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'rfkill233' (000000005cdad430): kobject_uevent_env DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400