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
CPU: 0 PID: 16674 Comm: syz-executor4 Not tainted 5.0.0-rc4+ #54
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kernfs_add_one+0x343/0x4d0 fs/kernfs/dir.c:812
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 52 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 70 48 8d 7b 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 1f 01 00 00 8b 5b 08 31 ff 83
RSP: 0018:ffff888059c1f670 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000e66f000
RDX: 0000000000000001 RSI: ffffffff81fbc87b RDI: 0000000000000008
RBP: ffff888059c1f6b0 R08: 1ffffffff13511e0 R09: fffffbfff13511e1
R10: fffffbfff13511e0 R11: ffffffff89a88f07 R12: ffff8880a4e5bc40
R13: ffff8880a4e5bc40 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fa8a6f54700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5589dc8d90 CR3: 000000008ff13000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kernfs_create_dir_ns+0xff/0x160 fs/kernfs/dir.c:1031
 sysfs_create_dir_ns+0x192/0x340 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:88 [inline]
 kobject_add_internal lib/kobject.c:247 [inline]
 kobject_add_internal.cold+0x129/0x6d8 lib/kobject.c:217
kobject: 'loop2' (00000000de0b7297): kobject_uevent_env
 kobject_add_varg lib/kobject.c:382 [inline]
 kobject_add+0x150/0x1c0 lib/kobject.c:426
 device_add+0x3d9/0x1800 drivers/base/core.c:1912
kobject: 'loop2' (00000000de0b7297): fill_kobj_path: path = '/devices/virtual/block/loop2'
 hci_register_dev+0x3b9/0x9d0 net/bluetooth/hci_core.c:3261
 __vhci_create_device+0x2d0/0x5a0 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+0x2d0/0x470 drivers/bluetooth/hci_vhci.c:299
 call_write_iter include/linux/fs.h:1863 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x764/0xb40 fs/read_write.c:487
 vfs_write+0x20c/0x580 fs/read_write.c:549
 ksys_write+0x105/0x260 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+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
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:00007fa8a6f53c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e39
RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000008
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa8a6f546d4
R13: 00000000004c6e18 R14: 00000000004dc5a8 R15: 00000000ffffffff
Modules linked in:
kobject: 'loop1' (00000000863fc7e0): kobject_uevent_env
kobject: 'loop1' (00000000863fc7e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop5' (00000000a96b729b): kobject_uevent_env
kobject: 'loop5' (00000000a96b729b): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000863fc7e0): kobject_uevent_env
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
kobject: 'loop1' (00000000863fc7e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
CPU: 0 PID: 16695 Comm: syz-executor2 Tainted: G      D           5.0.0-rc4+ #54
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+0x1db/0x2d0 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x15 lib/fault-inject.c:149
 __should_fail_alloc_page mm/page_alloc.c:3152 [inline]
 should_fail_alloc_page+0x50/0x60 mm/page_alloc.c:3199
 prepare_alloc_pages mm/page_alloc.c:4476 [inline]
 __alloc_pages_nodemask+0x323/0xdc0 mm/page_alloc.c:4523
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 sg_build_indirect.isra.0+0x3cd/0xa00 drivers/scsi/sg.c:1918
 sg_start_req drivers/scsi/sg.c:1782 [inline]
 sg_common_write.isra.0+0xacc/0x2480 drivers/scsi/sg.c:814
 sg_new_write.isra.0+0x700/0xa70 drivers/scsi/sg.c:783
 sg_ioctl+0x1c4c/0x2f40 drivers/scsi/sg.c:927
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0x107b/0x17d0 fs/ioctl.c:696
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e39
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:00007fc5bc58fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc5bc58fc90 RCX: 0000000000457e39
RDX: 00000000200003c0 RSI: 0000000000002285 RDI: 0000000000000004
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5bc5906d4
R13: 00000000004c1a46 R14: 00000000004d3a10 R15: 0000000000000005
---[ end trace 4818f95edcaaf2ce ]---
kobject: 'loop5' (00000000a96b729b): kobject_uevent_env
kobject: 'loop5' (00000000a96b729b): fill_kobj_path: path = '/devices/virtual/block/loop5'
RIP: 0010:kernfs_add_one+0x343/0x4d0 fs/kernfs/dir.c:812
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 52 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 70 48 8d 7b 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 1f 01 00 00 8b 5b 08 31 ff 83
kobject: 'loop2' (00000000de0b7297): kobject_uevent_env
RSP: 0018:ffff888059c1f670 EFLAGS: 00010202
kobject: 'loop2' (00000000de0b7297): fill_kobj_path: path = '/devices/virtual/block/loop2'
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc9000e66f000
kobject: 'loop3' (00000000b14f9e07): kobject_uevent_env
kobject: 'loop3' (00000000b14f9e07): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop1' (00000000863fc7e0): kobject_uevent_env
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
kobject: 'loop1' (00000000863fc7e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
CPU: 1 PID: 16710 Comm: syz-executor2 Tainted: G      D           5.0.0-rc4+ #54
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop0' (0000000049d01564): kobject_uevent_env
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0xa/0x15 lib/fault-inject.c:149
kobject: 'loop0' (0000000049d01564): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000a96b729b): kobject_uevent_env
RDX: 0000000000000001 RSI: ffffffff81fbc87b RDI: 0000000000000008
kobject: 'loop5' (00000000a96b729b): fill_kobj_path: path = '/devices/virtual/block/loop5'
 __should_fail_alloc_page mm/page_alloc.c:3152 [inline]
 should_fail_alloc_page+0x50/0x60 mm/page_alloc.c:3199
 prepare_alloc_pages mm/page_alloc.c:4476 [inline]
 __alloc_pages_nodemask+0x323/0xdc0 mm/page_alloc.c:4523
RBP: ffff888059c1f6b0 R08: 1ffffffff13511e0 R09: fffffbfff13511e1
R10: fffffbfff13511e0 R11: ffffffff89a88f07 R12: ffff8880a4e5bc40
R13: ffff8880a4e5bc40 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fa8a6f54700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
 alloc_pages_current+0x107/0x210 mm/mempolicy.c:2106
 alloc_pages include/linux/gfp.h:509 [inline]
 sg_build_indirect.isra.0+0x3cd/0xa00 drivers/scsi/sg.c:1918
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 sg_start_req drivers/scsi/sg.c:1782 [inline]
 sg_common_write.isra.0+0xacc/0x2480 drivers/scsi/sg.c:814
CR2: 0000000000a4fd98 CR3: 000000008ff13000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
 sg_new_write.isra.0+0x700/0xa70 drivers/scsi/sg.c:783
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400