WARNING in tty_set_termios
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syzbot
Jan 12, 2019, 10:43:04 PM1/12/19
to gre...@linuxfoundation.org, jsl...@suse.com, linux-...@vger.kernel.org, syzkall...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 66c56cfa64d9 Merge tag 'remove-dma_zalloc_coherent-5.0' of..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=167fd6d8c00000
kernel config: https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+a95016...@syzkaller.appspotmail.com
WARNING: CPU: 0 PID: 1171 at drivers/tty/tty_ioctl.c:319
tty_set_termios+0x93a/0xac0 drivers/tty/tty_ioctl.c:319
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 1171 Comm: kworker/u5:0 Not tainted 5.0.0-rc1+ #22
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Workqueue: hci0 hci_power_on
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
panic+0x2cb/0x65c kernel/panic.c:214
__warn.cold+0x20/0x48 kernel/panic.c:571
report_bug+0x263/0x2b0 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:178 [inline]
fixup_bug arch/x86/kernel/traps.c:173 [inline]
do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:tty_set_termios+0x93a/0xac0 drivers/tty/tty_ioctl.c:319
Code: 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ec 00
00 00 41 89 9f d0 03 00 00 e9 f6 fd ff ff e8 d6 18 a8 fd <0f> 0b e9 a9 f7
ff ff e8 4a 04 ec fd e9 48 f9 ff ff 4c 89 ef e8 9d
RSP: 0018:ffff8880a74f7600 EFLAGS: 00010293
RAX: ffff8880a74d4300 RBX: ffff8880a74f76c0 RCX: ffffffff83d9d62d
RDX: 0000000000000000 RSI: ffffffff83d9de8a RDI: 0000000000000005
RBP: ffff8880a74f76e8 R08: ffff8880a74d4300 R09: fffffbfff181d7b5
R10: fffffbfff181d7b4 R11: 0000000000000003 R12: ffff8880a74f7728
R13: 0000000000010004 R14: 000000000001c200 R15: ffff88808e3e60c0
hci_uart_set_baudrate+0x1cc/0x250 drivers/bluetooth/hci_ldisc.c:378
hci_uart_setup+0xa2/0x490 drivers/bluetooth/hci_ldisc.c:401
hci_dev_do_open+0x6b1/0x1920 net/bluetooth/hci_core.c:1423
hci_power_on+0x10d/0x880 net/bluetooth/hci_core.c:2130
process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
kthread+0x357/0x430 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with
syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
syzbot found the following crash on:
HEAD commit: 66c56cfa64d9 Merge tag 'remove-dma_zalloc_coherent-5.0' of..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=167fd6d8c00000
kernel config: https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+a95016...@syzkaller.appspotmail.com
WARNING: CPU: 0 PID: 1171 at drivers/tty/tty_ioctl.c:319
tty_set_termios+0x93a/0xac0 drivers/tty/tty_ioctl.c:319
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 1171 Comm: kworker/u5:0 Not tainted 5.0.0-rc1+ #22
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Workqueue: hci0 hci_power_on
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
panic+0x2cb/0x65c kernel/panic.c:214
__warn.cold+0x20/0x48 kernel/panic.c:571
report_bug+0x263/0x2b0 lib/bug.c:186
fixup_bug arch/x86/kernel/traps.c:178 [inline]
fixup_bug arch/x86/kernel/traps.c:173 [inline]
do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:tty_set_termios+0x93a/0xac0 drivers/tty/tty_ioctl.c:319
Code: 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ec 00
00 00 41 89 9f d0 03 00 00 e9 f6 fd ff ff e8 d6 18 a8 fd <0f> 0b e9 a9 f7
ff ff e8 4a 04 ec fd e9 48 f9 ff ff 4c 89 ef e8 9d
RSP: 0018:ffff8880a74f7600 EFLAGS: 00010293
RAX: ffff8880a74d4300 RBX: ffff8880a74f76c0 RCX: ffffffff83d9d62d
RDX: 0000000000000000 RSI: ffffffff83d9de8a RDI: 0000000000000005
RBP: ffff8880a74f76e8 R08: ffff8880a74d4300 R09: fffffbfff181d7b5
R10: fffffbfff181d7b4 R11: 0000000000000003 R12: ffff8880a74f7728
R13: 0000000000010004 R14: 000000000001c200 R15: ffff88808e3e60c0
hci_uart_set_baudrate+0x1cc/0x250 drivers/bluetooth/hci_ldisc.c:378
hci_uart_setup+0xa2/0x490 drivers/bluetooth/hci_ldisc.c:401
hci_dev_do_open+0x6b1/0x1920 net/bluetooth/hci_core.c:1423
hci_power_on+0x10d/0x880 net/bluetooth/hci_core.c:2130
process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
kthread+0x357/0x430 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with
syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
syzbot
Jan 22, 2019, 3:32:05 AM1/22/19
to mhj...@gmail.com, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch but the reproducer still triggered
crash:
general protection fault in kernfs_add_one
Bluetooth: hci1: Failed to load firmware file mrvl/helper_uart_3000000.bin
kasan: GPF could be caused by NULL-ptr deref or user memory access
Bluetooth: hci1: Unable to download firmware helper
bluetooth hci2: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
Bluetooth: hci2: Failed to load firmware file mrvl/helper_uart_3000000.bin
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'hci3' (00000000cfa3de3e): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
CPU: 0 PID: 24628 Comm: syz-executor4 Not tainted 5.0.0-rc3+ #1
kobject: 'loop2' (000000005cf6d3fd): kobject_uevent_env
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' (000000005cf6d3fd): fill_kobj_path: path
= '/devices/virtual/block/loop2'
RSP: 0018:ffff8880a12ff4e8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f351d5
RDX: 0000000000000001 RSI: ffffffff81fbb5db RDI: 0000000000000008
RBP: ffff8880a12ff528 R08: 1ffffffff1351190 R09: fffffbfff1351191
R10: fffffbfff1351190 R11: ffffffff89a88c87 R12: ffff88809735d7e0
R13: ffff88809735d7e0 R14: 0000000000000000 R15: 0000000000000000
FS: 00007fc304c1e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
kobject: 'hci4' (00000000e5a98c19): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000009f7fd0 CR3: 000000008cd54000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'hci5' (00000000474c9f72): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
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
kobject: 'hci3' (00000000cfa3de3e): kobject_uevent_env
kobject: 'hci5' (00000000474c9f72): kobject_uevent_env
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: 'hci4' (00000000e5a98c19): kobject_uevent_env
kobject: 'hci3' (00000000cfa3de3e): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci3'
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: 'hci4' (00000000e5a98c19): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci4'
hci_register_dev+0x3b9/0x9d0 net/bluetooth/hci_core.c:3261
kobject: 'hci5' (00000000474c9f72): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci5'
hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:680 [inline]
hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:708 [inline]
hci_uart_tty_ioctl+0x72a/0xa70 drivers/bluetooth/hci_ldisc.c:763
tty_ioctl+0xb53/0x16c0 drivers/tty/tty_io.c:2661
kobject: 'rfkill7510' (00000000330e9fce): kobject_add_internal:
parent: 'hci5', set: 'devices'
kobject: 'rfkill7510' (00000000330e9fce): kobject_uevent_env
kobject: 'rfkill7510' (00000000330e9fce): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci5/rfkill7510'
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:509 [inline]
do_vfs_ioctl+0x107b/0x17d0 fs/ioctl.c:696
kobject: 'rfkill7511' (00000000f4d33c46): kobject_add_internal:
parent: 'hci4', set: 'devices'
bluetooth hci5: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
Bluetooth: hci5: Failed to load firmware file mrvl/helper_uart_3000000.bin
Bluetooth: hci5: Unable to download firmware helper
ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
kobject: 'rfkill7511' (00000000f4d33c46): kobject_uevent_env
__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
kobject: 'hci6' (00000000a9f637dd): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc304c1dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
kobject: 'hci6' (00000000a9f637dd): kobject_uevent_env
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9
RDX: 000000000000000b RSI: 00000000400455c8 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc304c1e6d4
R13: 00000000004c078d R14: 00000000004d2110 R15: 00000000ffffffff
Modules linked in:
Bluetooth: hci2: Unable to download firmware helper
---[ end trace 850d637414898042 ]---
kobject: 'rfkill7511' (00000000f4d33c46): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci4/rfkill7511'
RIP: 0010:kernfs_add_one+0x343/0x4d0 fs/kernfs/dir.c:812
kobject: 'rfkill7512' (00000000f4b4dced): kobject_add_internal:
parent: 'hci3', set: 'devices'
kobject: 'loop5' (00000000c0b2366d): kobject_uevent_env
kobject: 'rfkill7512' (00000000f4b4dced): kobject_uevent_env
kobject: 'rfkill7509' (00000000354a6f64): kobject_uevent_env
kobject: 'rfkill7508' (0000000035d47cae): kobject_uevent_env
kobject: 'hci6' (00000000a9f637dd): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci6'
bluetooth hci4: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'loop5' (00000000c0b2366d): fill_kobj_path: path
= '/devices/virtual/block/loop5'
Bluetooth: hci4: Failed to load firmware file mrvl/helper_uart_3000000.bin
Bluetooth: hci4: Unable to download firmware helper
kobject: 'rfkill7509' (00000000354a6f64): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci2/rfkill7509'
kobject: 'rfkill7508' (0000000035d47cae): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1/rfkill7508'
kobject: 'hci8' (00000000a94b67fb): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'rfkill7512' (00000000f4b4dced): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci3/rfkill7512'
kobject: 'hci7' (0000000055ff7454): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
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: 'hci8' (00000000a94b67fb): kobject_uevent_env
kobject: 'rfkill7510' (00000000330e9fce): kobject_uevent_env
kobject: 'hci7' (0000000055ff7454): kobject_uevent_env
kobject: 'rfkill7510' (00000000330e9fce): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci5/rfkill7510'
bluetooth hci3: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7508' (0000000035d47cae): kobject_cleanup, parent
(null)
Bluetooth: hci3: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'rfkill7509' (00000000354a6f64): kobject_cleanup, parent
(null)
Bluetooth: hci3: Unable to download firmware helper
kobject: 'hci8' (00000000a94b67fb): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci8'
RSP: 0018:ffff8880a12ff4e8 EFLAGS: 00010202
kobject: 'rfkill7508' (0000000035d47cae): calling ktype release
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f351d5
kobject: 'hci7' (0000000055ff7454): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci7'
RDX: 0000000000000001 RSI: ffffffff81fbb5db RDI: 0000000000000008
kobject: 'rfkill7513' (00000000673d8dff): kobject_add_internal:
parent: 'hci8', set: 'devices'
kobject: 'rfkill7509' (00000000354a6f64): calling ktype release
kobject: 'rfkill7508': free name
RBP: ffff8880a12ff528 R08: 1ffffffff1351190 R09: fffffbfff1351191
kobject: 'rfkill7511' (00000000f4d33c46): kobject_uevent_env
R10: fffffbfff1351190 R11: ffffffff89a88c87 R12: ffff88809735d7e0
kobject: 'rfkill7511' (00000000f4d33c46): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci4/rfkill7511'
kobject: 'rfkill7513' (00000000673d8dff): kobject_uevent_env
kobject: 'hci1' (000000009db96ff4): kobject_uevent_env
kobject: 'rfkill7509': free name
kobject: 'hci1' (000000009db96ff4): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1'
R13: ffff88809735d7e0 R14: 0000000000000000 R15: 0000000000000000
kobject: 'hci1' (000000009db96ff4): kobject_cleanup, parent (null)
kobject: 'hci2' (000000008cf13029): kobject_uevent_env
kobject: 'hci1' (000000009db96ff4): calling ktype release
FS: 00007fc304c1e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
kobject: 'hci1': free name
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'rfkill7513' (00000000673d8dff): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci8/rfkill7513'
CR2: 00007ffcd6812e1c CR3: 000000008cd54000 CR4: 00000000001406f0
kobject: 'rfkill7514' (000000002988f9eb): kobject_add_internal:
parent: 'hci6', set: 'devices'
kobject: 'hci2' (000000008cf13029): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci2'
kobject: 'rfkill7514' (000000002988f9eb): kobject_uevent_env
bluetooth hci8: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7514' (000000002988f9eb): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci6/rfkill7514'
Bluetooth: hci8: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'rfkill7515' (00000000716467e4): kobject_add_internal:
parent: 'hci7', set: 'devices'
Bluetooth: hci8: Unable to download firmware helper
bluetooth hci6: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'loop1' (00000000bbc6d38a): kobject_uevent_env
Bluetooth: hci6: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'hci2' (000000008cf13029): kobject_cleanup, parent (null)
Bluetooth: hci6: Unable to download firmware helper
kobject: 'rfkill7515' (00000000716467e4): kobject_uevent_env
kobject: 'hci1' (0000000015807452): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'rfkill7515' (00000000716467e4): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci7/rfkill7515'
kobject: 'hci2' (000000008cf13029): calling ktype release
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'hci1' (0000000015807452): kobject_uevent_env
kobject: 'hci2' (00000000cc3fa355): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'loop1' (00000000bbc6d38a): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'hci2' (00000000cc3fa355): kobject_uevent_env
kobject: 'hci2': free name
kobject: 'rfkill7510' (00000000330e9fce): kobject_cleanup, parent
(null)
kobject: 'hci1' (0000000015807452): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1'
kobject: 'rfkill7511' (00000000f4d33c46): kobject_cleanup, parent
(null)
kobject: 'rfkill7516' (000000007582c824): kobject_add_internal:
parent: 'hci1', set: 'devices'
bluetooth hci7: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7516' (000000007582c824): kobject_uevent_env
Bluetooth: hci7: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'rfkill7512' (00000000f4b4dced): kobject_uevent_env
Bluetooth: hci7: Unable to download firmware helper
kobject: 'rfkill7516' (000000007582c824): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1/rfkill7516'
kobject: 'hci2' (00000000cc3fa355): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci2'
kobject: 'rfkill7512' (00000000f4b4dced): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci3/rfkill7512'
kobject: 'rfkill7510' (00000000330e9fce): calling ktype release
kobject: 'hci9' (00000000b25cc2a7): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'rfkill7511' (00000000f4d33c46): calling ktype release
bluetooth hci1: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7510': free name
Bluetooth: hci1: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'hci9' (00000000b25cc2a7): kobject_uevent_env
Bluetooth: hci1: Unable to download firmware helper
kobject: 'rfkill7512' (00000000f4b4dced): kobject_cleanup, parent
(null)
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'rfkill7517' (00000000d8575753): kobject_add_internal:
parent: 'hci2', set: 'devices'
Tested on:
commit: 48b161983ae5 Merge tag 'xarray-5.0-rc3' of git://git.infra..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10ba3707400000
kernel config: https://syzkaller.appspot.com/x/.config?x=505743eba4e4f68
syzbot has tested the proposed patch but the reproducer still triggered
crash:
general protection fault in kernfs_add_one
Bluetooth: hci1: Failed to load firmware file mrvl/helper_uart_3000000.bin
kasan: GPF could be caused by NULL-ptr deref or user memory access
Bluetooth: hci1: Unable to download firmware helper
bluetooth hci2: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
Bluetooth: hci2: Failed to load firmware file mrvl/helper_uart_3000000.bin
general protection fault: 0000 [#1] PREEMPT SMP KASAN
kobject: 'hci3' (00000000cfa3de3e): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
CPU: 0 PID: 24628 Comm: syz-executor4 Not tainted 5.0.0-rc3+ #1
kobject: 'loop2' (000000005cf6d3fd): kobject_uevent_env
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
Google 01/01/2011
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' (000000005cf6d3fd): fill_kobj_path: path
= '/devices/virtual/block/loop2'
RSP: 0018:ffff8880a12ff4e8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f351d5
RDX: 0000000000000001 RSI: ffffffff81fbb5db RDI: 0000000000000008
RBP: ffff8880a12ff528 R08: 1ffffffff1351190 R09: fffffbfff1351191
R10: fffffbfff1351190 R11: ffffffff89a88c87 R12: ffff88809735d7e0
R13: ffff88809735d7e0 R14: 0000000000000000 R15: 0000000000000000
FS: 00007fc304c1e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
kobject: 'hci4' (00000000e5a98c19): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000009f7fd0 CR3: 000000008cd54000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'hci5' (00000000474c9f72): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
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
kobject: 'hci3' (00000000cfa3de3e): kobject_uevent_env
kobject: 'hci5' (00000000474c9f72): kobject_uevent_env
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: 'hci4' (00000000e5a98c19): kobject_uevent_env
kobject: 'hci3' (00000000cfa3de3e): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci3'
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: 'hci4' (00000000e5a98c19): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci4'
hci_register_dev+0x3b9/0x9d0 net/bluetooth/hci_core.c:3261
kobject: 'hci5' (00000000474c9f72): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci5'
hci_uart_register_dev drivers/bluetooth/hci_ldisc.c:680 [inline]
hci_uart_set_proto drivers/bluetooth/hci_ldisc.c:708 [inline]
hci_uart_tty_ioctl+0x72a/0xa70 drivers/bluetooth/hci_ldisc.c:763
tty_ioctl+0xb53/0x16c0 drivers/tty/tty_io.c:2661
kobject: 'rfkill7510' (00000000330e9fce): kobject_add_internal:
parent: 'hci5', set: 'devices'
kobject: 'rfkill7510' (00000000330e9fce): kobject_uevent_env
kobject: 'rfkill7510' (00000000330e9fce): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci5/rfkill7510'
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:509 [inline]
do_vfs_ioctl+0x107b/0x17d0 fs/ioctl.c:696
kobject: 'rfkill7511' (00000000f4d33c46): kobject_add_internal:
parent: 'hci4', set: 'devices'
bluetooth hci5: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
Bluetooth: hci5: Failed to load firmware file mrvl/helper_uart_3000000.bin
Bluetooth: hci5: Unable to download firmware helper
ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
kobject: 'rfkill7511' (00000000f4d33c46): kobject_uevent_env
__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
kobject: 'hci6' (00000000a9f637dd): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fc304c1dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
kobject: 'hci6' (00000000a9f637dd): kobject_uevent_env
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9
RDX: 000000000000000b RSI: 00000000400455c8 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc304c1e6d4
R13: 00000000004c078d R14: 00000000004d2110 R15: 00000000ffffffff
Modules linked in:
Bluetooth: hci2: Unable to download firmware helper
---[ end trace 850d637414898042 ]---
kobject: 'rfkill7511' (00000000f4d33c46): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci4/rfkill7511'
RIP: 0010:kernfs_add_one+0x343/0x4d0 fs/kernfs/dir.c:812
kobject: 'rfkill7512' (00000000f4b4dced): kobject_add_internal:
parent: 'hci3', set: 'devices'
kobject: 'loop5' (00000000c0b2366d): kobject_uevent_env
kobject: 'rfkill7512' (00000000f4b4dced): kobject_uevent_env
kobject: 'rfkill7509' (00000000354a6f64): kobject_uevent_env
kobject: 'rfkill7508' (0000000035d47cae): kobject_uevent_env
kobject: 'hci6' (00000000a9f637dd): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci6'
bluetooth hci4: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'loop5' (00000000c0b2366d): fill_kobj_path: path
= '/devices/virtual/block/loop5'
Bluetooth: hci4: Failed to load firmware file mrvl/helper_uart_3000000.bin
Bluetooth: hci4: Unable to download firmware helper
kobject: 'rfkill7509' (00000000354a6f64): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci2/rfkill7509'
kobject: 'rfkill7508' (0000000035d47cae): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1/rfkill7508'
kobject: 'hci8' (00000000a94b67fb): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'rfkill7512' (00000000f4b4dced): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci3/rfkill7512'
kobject: 'hci7' (0000000055ff7454): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
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: 'hci8' (00000000a94b67fb): kobject_uevent_env
kobject: 'rfkill7510' (00000000330e9fce): kobject_uevent_env
kobject: 'hci7' (0000000055ff7454): kobject_uevent_env
kobject: 'rfkill7510' (00000000330e9fce): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci5/rfkill7510'
bluetooth hci3: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7508' (0000000035d47cae): kobject_cleanup, parent
(null)
Bluetooth: hci3: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'rfkill7509' (00000000354a6f64): kobject_cleanup, parent
(null)
Bluetooth: hci3: Unable to download firmware helper
kobject: 'hci8' (00000000a94b67fb): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci8'
RSP: 0018:ffff8880a12ff4e8 EFLAGS: 00010202
kobject: 'rfkill7508' (0000000035d47cae): calling ktype release
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f351d5
kobject: 'hci7' (0000000055ff7454): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci7'
RDX: 0000000000000001 RSI: ffffffff81fbb5db RDI: 0000000000000008
kobject: 'rfkill7513' (00000000673d8dff): kobject_add_internal:
parent: 'hci8', set: 'devices'
kobject: 'rfkill7509' (00000000354a6f64): calling ktype release
kobject: 'rfkill7508': free name
RBP: ffff8880a12ff528 R08: 1ffffffff1351190 R09: fffffbfff1351191
kobject: 'rfkill7511' (00000000f4d33c46): kobject_uevent_env
R10: fffffbfff1351190 R11: ffffffff89a88c87 R12: ffff88809735d7e0
kobject: 'rfkill7511' (00000000f4d33c46): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci4/rfkill7511'
kobject: 'rfkill7513' (00000000673d8dff): kobject_uevent_env
kobject: 'hci1' (000000009db96ff4): kobject_uevent_env
kobject: 'rfkill7509': free name
kobject: 'hci1' (000000009db96ff4): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1'
R13: ffff88809735d7e0 R14: 0000000000000000 R15: 0000000000000000
kobject: 'hci1' (000000009db96ff4): kobject_cleanup, parent (null)
kobject: 'hci2' (000000008cf13029): kobject_uevent_env
kobject: 'hci1' (000000009db96ff4): calling ktype release
FS: 00007fc304c1e700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
kobject: 'hci1': free name
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'rfkill7513' (00000000673d8dff): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci8/rfkill7513'
CR2: 00007ffcd6812e1c CR3: 000000008cd54000 CR4: 00000000001406f0
kobject: 'rfkill7514' (000000002988f9eb): kobject_add_internal:
parent: 'hci6', set: 'devices'
kobject: 'hci2' (000000008cf13029): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci2'
kobject: 'rfkill7514' (000000002988f9eb): kobject_uevent_env
bluetooth hci8: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7514' (000000002988f9eb): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci6/rfkill7514'
Bluetooth: hci8: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'rfkill7515' (00000000716467e4): kobject_add_internal:
parent: 'hci7', set: 'devices'
Bluetooth: hci8: Unable to download firmware helper
bluetooth hci6: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'loop1' (00000000bbc6d38a): kobject_uevent_env
Bluetooth: hci6: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'hci2' (000000008cf13029): kobject_cleanup, parent (null)
Bluetooth: hci6: Unable to download firmware helper
kobject: 'rfkill7515' (00000000716467e4): kobject_uevent_env
kobject: 'hci1' (0000000015807452): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'rfkill7515' (00000000716467e4): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci7/rfkill7515'
kobject: 'hci2' (000000008cf13029): calling ktype release
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'hci1' (0000000015807452): kobject_uevent_env
kobject: 'hci2' (00000000cc3fa355): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'loop1' (00000000bbc6d38a): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kobject: 'hci2' (00000000cc3fa355): kobject_uevent_env
kobject: 'hci2': free name
kobject: 'rfkill7510' (00000000330e9fce): kobject_cleanup, parent
(null)
kobject: 'hci1' (0000000015807452): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1'
kobject: 'rfkill7511' (00000000f4d33c46): kobject_cleanup, parent
(null)
kobject: 'rfkill7516' (000000007582c824): kobject_add_internal:
parent: 'hci1', set: 'devices'
bluetooth hci7: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7516' (000000007582c824): kobject_uevent_env
Bluetooth: hci7: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'rfkill7512' (00000000f4b4dced): kobject_uevent_env
Bluetooth: hci7: Unable to download firmware helper
kobject: 'rfkill7516' (000000007582c824): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci1/rfkill7516'
kobject: 'hci2' (00000000cc3fa355): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci2'
kobject: 'rfkill7512' (00000000f4b4dced): fill_kobj_path: path
= '/devices/virtual/bluetooth/hci3/rfkill7512'
kobject: 'rfkill7510' (00000000330e9fce): calling ktype release
kobject: 'hci9' (00000000b25cc2a7): kobject_add_internal:
parent: 'bluetooth', set: 'devices'
kobject: 'rfkill7511' (00000000f4d33c46): calling ktype release
bluetooth hci1: Direct firmware load for mrvl/helper_uart_3000000.bin
failed with error -2
kobject: 'rfkill7510': free name
Bluetooth: hci1: Failed to load firmware file mrvl/helper_uart_3000000.bin
kobject: 'hci9' (00000000b25cc2a7): kobject_uevent_env
Bluetooth: hci1: Unable to download firmware helper
kobject: 'rfkill7512' (00000000f4b4dced): kobject_cleanup, parent
(null)
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'rfkill7517' (00000000d8575753): kobject_add_internal:
parent: 'hci2', set: 'devices'
Tested on:
commit: 48b161983ae5 Merge tag 'xarray-5.0-rc3' of git://git.infra..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10ba3707400000
kernel config: https://syzkaller.appspot.com/x/.config?x=505743eba4e4f68
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
patch: https://syzkaller.appspot.com/x/patch.diff?x=173a3707400000
syzbot
Jan 28, 2019, 1:07:04 AM1/28/19
to mhj...@gmail.com, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch but the reproducer still triggered
crash:
BUG: unable to handle kernel NULL pointer dereference in mrvl_setup
syzbot has tested the proposed patch but the reproducer still triggered
crash:
hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully
working HSR network
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully
working HSR network
hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully
working HSR network
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
#PF error: [INSTR]
PGD 0 P4D 0
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 1171 Comm: kworker/u5:0 Not tainted 5.0.0-rc4+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Workqueue: hci0 hci_power_on
Google 01/01/2011
RIP: 0010: (null)
Code: Bad RIP value.
RSP: 0018:ffff8880a75376b0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff888c6900 RCX: dffffc0000000000
RDX: 1ffffffff1118d39 RSI: 1ffff11014e8f96e RDI: ffff88809458d300
RBP: ffff8880a7537798 R08: ffff8880a747c300 R09: 0000000000000004
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
R10: 0000000000000000 R11: ffff88809458caaf R12: ffff8880a7537700
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
R13: ffff88809458d300 R14: 1ffff11014ea6eda R15: ffff88809458ca80
FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000962ae000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
Call Trace:
IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
mrvl_setup+0x22/0x110 drivers/bluetooth/hci_mrvl.c:348
hci_uart_setup+0x1c4/0x490 drivers/bluetooth/hci_ldisc.c:428
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
hci_dev_do_open+0x6b1/0x1920 net/bluetooth/hci_core.c:1423
IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
hci_power_on+0x10d/0x880 net/bluetooth/hci_core.c:2130
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
8021q: adding VLAN 0 to HW filter on device team0
hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully
working HSR network
worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully
working HSR network
8021q: adding VLAN 0 to HW filter on device batadv0
kobject: 'vlan0' (000000009e5b016e): kobject_add_internal: parent: 'mesh',
set: '<NULL>'
kobject: 'loop1' (00000000f6eed71d): kobject_uevent_env
kobject: 'loop1' (00000000f6eed71d): fill_kobj_path: path
= '/devices/virtual/block/loop1'
kthread+0x357/0x430 kernel/kthread.c:246
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
CR2: 0000000000000000
---[ end trace deca46092c736303 ]---
RIP: 0010: (null)
Code: Bad RIP value.
RSP: 0018:ffff8880a75376b0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffffffff888c6900 RCX: dffffc0000000000
RDX: 1ffffffff1118d39 RSI: 1ffff11014e8f96e RDI: ffff88809458d300
RBP: ffff8880a7537798 R08: ffff8880a747c300 R09: 0000000000000004
R10: 0000000000000000 R11: ffff88809458caaf R12: ffff8880a7537700
R13: ffff88809458d300 R14: 1ffff11014ea6eda R15: ffff88809458ca80
FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 00000000962ae000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Tested on:
commit: f17b5f06cb92 Linux 5.0-rc4
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=112806c4c00000
kernel config: https://syzkaller.appspot.com/x/.config?x=4fceea9e2d99ac20
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
patch: https://syzkaller.appspot.com/x/patch.diff?x=130a6ac4c00000
syzbot
Feb 2, 2019, 11:15:04 PM2/2/19
to mhj...@gmail.com, syzkall...@googlegroups.com
Hello,
syzbot has tested the proposed patch and the reproducer did not trigger
crash:
Reported-and-tested-by:
syzbot+a95016...@syzkaller.appspotmail.com
Tested on:
commit: 12491ed354d2 Merge tag 'devicetree-fixes-for-5.0-3' of git..
git tree: upstream
Note: testing is done by a robot and is best-effort only.
syzbot has tested the proposed patch and the reproducer did not trigger
crash:
Reported-and-tested-by:
syzbot+a95016...@syzkaller.appspotmail.com
Tested on:
commit: 12491ed354d2 Merge tag 'devicetree-fixes-for-5.0-3' of git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=4fceea9e2d99ac20
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
patch: https://syzkaller.appspot.com/x/patch.diff?x=1337e5f8c00000
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Note: testing is done by a robot and is best-effort only.
syzbot
Mar 17, 2019, 11:15:01 AM3/17/19
to gre...@linuxfoundation.org, gus...@padovan.org, johan....@gmail.com, jsl...@suse.com, linux-b...@vger.kernel.org, linux-...@vger.kernel.org, loic.p...@intel.com, mar...@holtmann.org, mhj...@gmail.com, syzkall...@googlegroups.com
syzbot has bisected this bug to:
commit 162f812f23bab583f5d514ca0e4df67797ac9cdf
Author: Loic Poulain <loic.p...@intel.com>
Date: Mon Sep 19 14:29:27 2016 +0000
Bluetooth: hci_uart: Add Marvell support
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12cd5c2b200000
start commit: 162f812f Bluetooth: hci_uart: Add Marvell support
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=11cd5c2b200000
console output: https://syzkaller.appspot.com/x/log.txt?x=16cd5c2b200000
Fixes: 162f812f ("Bluetooth: hci_uart: Add Marvell support")
commit 162f812f23bab583f5d514ca0e4df67797ac9cdf
Author: Loic Poulain <loic.p...@intel.com>
Date: Mon Sep 19 14:29:27 2016 +0000
Bluetooth: hci_uart: Add Marvell support
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12cd5c2b200000
start commit: 162f812f Bluetooth: hci_uart: Add Marvell support
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=11cd5c2b200000
console output: https://syzkaller.appspot.com/x/log.txt?x=16cd5c2b200000
kernel config: https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000
Reported-by: syzbot+a95016...@syzkaller.appspotmail.com
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000
Fixes: 162f812f ("Bluetooth: hci_uart: Add Marvell support")
syzbot
Dec 9, 2019, 1:20:02 AM12/9/19
to gre...@linuxfoundation.org, gus...@padovan.org, johan....@gmail.com, jsl...@suse.com, linux-b...@vger.kernel.org, linux-...@vger.kernel.org, loic.p...@intel.com, mar...@holtmann.org, mhj...@gmail.com, syzkall...@googlegroups.com, torv...@linux-foundation.org, vdr...@redhat.com
syzbot suspects this bug was fixed by commit:
commit b36a1552d7319bbfd5cf7f08726c23c5c66d4f73
Author: Vladis Dronov <vdr...@redhat.com>
Date: Tue Jul 30 09:33:45 2019 +0000
Bluetooth: hci_uart: check for missing tty operations
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10b20aeae00000
start commit: 66c56cfa Merge tag 'remove-dma_zalloc_coherent-5.0' of git..
git tree: upstream
#syz fix: Bluetooth: hci_uart: check for missing tty operations
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
commit b36a1552d7319bbfd5cf7f08726c23c5c66d4f73
Author: Vladis Dronov <vdr...@redhat.com>
Date: Tue Jul 30 09:33:45 2019 +0000
Bluetooth: hci_uart: check for missing tty operations
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10b20aeae00000
start commit: 66c56cfa Merge tag 'remove-dma_zalloc_coherent-5.0' of git..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=b05cfdb4ee8ab9b2
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
dashboard link: https://syzkaller.appspot.com/bug?extid=a950165cbb86bdd023a4
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=121cee07400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000
If the result looks correct, please mark the bug fixed by replying with:
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16fdaed8c00000
#syz fix: Bluetooth: hci_uart: check for missing tty operations
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
Vladis Dronov
Dec 12, 2019, 10:57:34 AM12/12/19
to syzbot, gre...@linuxfoundation.org, gus...@padovan.org, johan hedberg, jsl...@suse.com, linux-b...@vger.kernel.org, linux-...@vger.kernel.org, loic poulain, mar...@holtmann.org, mhj...@gmail.com, syzkall...@googlegroups.com, torv...@linux-foundation.org
#syz fix: Bluetooth: hci_uart: check for missing tty operations
Best regards,
Vladis Dronov
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