From: syzbot <syzbot+6610740013f861b6e829@syzkaller.appspotmail.com>
To: Larry.Finger@lwfinger.net, devel@driverdev.osuosl.org,
florian.c.schilhabel@googlemail.com, glider@google.com,
gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] KMSAN: uninit-value in efuse_one_byte_read
Date: Mon, 29 Mar 2021 12:44:23 -0700 [thread overview]
Message-ID: <000000000000d2b42905beb21b3f@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 29ad81a1 arch/x86: add missing include to sparsemem.h
git tree: https://github.com/google/kmsan.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=12d4e126d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=b573c14b733efb1c
dashboard link: https://syzkaller.appspot.com/bug?extid=6610740013f861b6e829
compiler: Debian clang version 11.0.1-2
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6610740013f861b6e829@syzkaller.appspotmail.com
r8712u: register rtl8712_netdev_ops to netdev_ops
usb 2-1: r8712u: USB_SPEED_HIGH with 0 endpoints
usb 2-1: r8712u: Boot from EEPROM: Autoload OK
=====================================================
BUG: KMSAN: uninit-value in efuse_one_byte_read+0x206/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:76
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
efuse_one_byte_read+0x206/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:76
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
=====================================================
BUG: KMSAN: uninit-value in r8712_efuse_pg_packet_read+0x77c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:246
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G B W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
r8712_efuse_pg_packet_read+0x77c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:246
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
efuse_one_byte_read+0x2cd/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:86
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
=====================================================
BUG: KMSAN: uninit-value in r8712_efuse_pg_packet_read+0x79b/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:251
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G B W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
r8712_efuse_pg_packet_read+0x79b/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:251
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
efuse_one_byte_read+0x2cd/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:86
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
=====================================================
BUG: KMSAN: uninit-value in r8712_efuse_pg_packet_read+0xb56/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:244
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G B W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
r8712_efuse_pg_packet_read+0xb56/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:244
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
efuse_one_byte_read+0x2cd/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:86
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
---
This report 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 syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
WARNING: multiple messages have this Message-ID (diff)
From: syzbot <syzbot+6610740013f861b6e829@syzkaller.appspotmail.com>
To: Larry.Finger@lwfinger.net, devel@driverdev.osuosl.org,
florian.c.schilhabel@googlemail.com, glider@google.com,
gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] KMSAN: uninit-value in efuse_one_byte_read
Date: Mon, 29 Mar 2021 12:44:23 -0700 [thread overview]
Message-ID: <000000000000d2b42905beb21b3f@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 29ad81a1 arch/x86: add missing include to sparsemem.h
git tree: https://github.com/google/kmsan.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=12d4e126d00000
kernel config: https://syzkaller.appspot.com/x/.config?x=b573c14b733efb1c
dashboard link: https://syzkaller.appspot.com/bug?extid=6610740013f861b6e829
compiler: Debian clang version 11.0.1-2
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+6610740013f861b6e829@syzkaller.appspotmail.com
r8712u: register rtl8712_netdev_ops to netdev_ops
usb 2-1: r8712u: USB_SPEED_HIGH with 0 endpoints
usb 2-1: r8712u: Boot from EEPROM: Autoload OK
=====================================================
BUG: KMSAN: uninit-value in efuse_one_byte_read+0x206/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:76
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
efuse_one_byte_read+0x206/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:76
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
=====================================================
BUG: KMSAN: uninit-value in r8712_efuse_pg_packet_read+0x77c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:246
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G B W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
r8712_efuse_pg_packet_read+0x77c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:246
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
efuse_one_byte_read+0x2cd/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:86
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
=====================================================
BUG: KMSAN: uninit-value in r8712_efuse_pg_packet_read+0x79b/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:251
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G B W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
r8712_efuse_pg_packet_read+0x79b/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:251
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
efuse_one_byte_read+0x2cd/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:86
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
=====================================================
BUG: KMSAN: uninit-value in r8712_efuse_pg_packet_read+0xb56/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:244
CPU: 1 PID: 4662 Comm: kworker/1:3 Tainted: G B W 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x21c/0x280 lib/dump_stack.c:120
kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
__msan_warning+0x5f/0xa0 mm/kmsan/kmsan_instr.c:197
r8712_efuse_pg_packet_read+0xb56/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:244
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Uninit was stored to memory at:
kmsan_save_stack_with_flags mm/kmsan/kmsan.c:121 [inline]
kmsan_internal_chain_origin+0xad/0x130 mm/kmsan/kmsan.c:289
__msan_chain_origin+0x57/0xa0 mm/kmsan/kmsan_instr.c:147
efuse_one_byte_read+0x2cd/0x2e0 drivers/staging/rtl8712/rtl8712_efuse.c:86
r8712_efuse_pg_packet_read+0x29c/0xcd0 drivers/staging/rtl8712/rtl8712_efuse.c:245
r871xu_drv_init+0x1cfb/0x2fe0 drivers/staging/rtl8712/usb_intf.c:443
usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_set_configuration+0x3872/0x3eb0 drivers/usb/core/message.c:2164
usb_generic_driver_probe+0x138/0x300 drivers/usb/core/generic.c:238
usb_probe_device+0x317/0x570 drivers/usb/core/driver.c:293
really_probe+0xe15/0x24d0 drivers/base/dd.c:558
driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:740
__device_attach_driver+0x63f/0x830 drivers/base/dd.c:846
bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
__device_attach+0x56a/0x890 drivers/base/dd.c:914
device_initial_probe+0x4a/0x60 drivers/base/dd.c:961
bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
device_add+0x2c15/0x31d0 drivers/base/core.c:3109
usb_new_device+0x1bd4/0x2a30 drivers/usb/core/hub.c:2555
hub_port_connect drivers/usb/core/hub.c:5223 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5363 [inline]
port_event drivers/usb/core/hub.c:5509 [inline]
hub_event+0x5b99/0x8870 drivers/usb/core/hub.c:5591
process_one_work+0x1219/0x1fe0 kernel/workqueue.c:2275
worker_thread+0x10ec/0x2340 kernel/workqueue.c:2421
kthread+0x521/0x560 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
Local variable ----data@usb_read8 created at:
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
usb_read8+0x5d/0x130 drivers/staging/rtl8712/usb_ops.c:33
=====================================================
---
This report 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 syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
next reply other threads:[~2021-03-29 19:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-29 19:44 syzbot [this message]
2021-03-29 19:44 ` [syzbot] KMSAN: uninit-value in efuse_one_byte_read syzbot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=000000000000d2b42905beb21b3f@google.com \
--to=syzbot+6610740013f861b6e829@syzkaller.appspotmail.com \
--cc=Larry.Finger@lwfinger.net \
--cc=devel@driverdev.osuosl.org \
--cc=florian.c.schilhabel@googlemail.com \
--cc=glider@google.com \
--cc=gregkh@linuxfoundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=syzkaller-bugs@googlegroups.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.