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kernel_samsung_a53x/drivers
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Eric Dumazet 486662ea58 tun: prevent negative ifindex 
commit cbfbfe3aee718dc4c3c837f5d2463170ee59d78c upstream.

After commit 956db0a13b47 ("net: warn about attempts to register
negative ifindex") syzbot is able to trigger the following splat.

Negative ifindex are not supported.

WARNING: CPU: 1 PID: 6003 at net/core/dev.c:9596 dev_index_reserve+0x104/0x210
Modules linked in:
CPU: 1 PID: 6003 Comm: syz-executor926 Not tainted 6.6.0-rc4-syzkaller-g19af4a4ed414 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dev_index_reserve+0x104/0x210
lr : dev_index_reserve+0x100/0x210
sp : ffff800096a878e0
x29: ffff800096a87930 x28: ffff0000d04380d0 x27: ffff0000d04380f8
x26: ffff0000d04380f0 x25: 1ffff00012d50f20 x24: 1ffff00012d50f1c
x23: dfff800000000000 x22: ffff8000929c21c0 x21: 00000000ffffffea
x20: ffff0000d04380e0 x19: ffff800096a87900 x18: ffff800096a874c0
x17: ffff800084df5008 x16: ffff80008051f9c4 x15: 0000000000000001
x14: 1fffe0001a087198 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000d41c9bc0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800091763d88 x4 : 0000000000000000 x3 : ffff800084e04748
x2 : 0000000000000001 x1 : 00000000fead71c7 x0 : 0000000000000000
Call trace:
dev_index_reserve+0x104/0x210
register_netdevice+0x598/0x1074 net/core/dev.c:10084
tun_set_iff+0x630/0xb0c drivers/net/tun.c:2850
__tun_chr_ioctl+0x788/0x2af8 drivers/net/tun.c:3118
tun_chr_ioctl+0x38/0x4c drivers/net/tun.c:3403
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl fs/ioctl.c:857 [inline]
__arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:857
__invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595
irq event stamp: 11348
hardirqs last enabled at (11347): [<ffff80008a716574>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last enabled at (11347): [<ffff80008a716574>] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194
hardirqs last disabled at (11348): [<ffff80008a627820>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436
softirqs last enabled at (11138): [<ffff8000887ca53c>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last enabled at (11138): [<ffff8000887ca53c>] release_sock+0x15c/0x1b0 net/core/sock.c:3531
softirqs last disabled at (11136): [<ffff8000887ca41c>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (11136): [<ffff8000887ca41c>] release_sock+0x3c/0x1b0 net/core/sock.c:3518

Fixes: fb7589a16216 ("tun: Add ability to create tun device with given index")
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20231016180851.3560092-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-11-08 11:26:10 +01:00
..
accessibility Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
acpi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
amba Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
android Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ata Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
atm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
auxdisplay Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
base regmap: fix NULL deref on lookup 2024-11-08 11:26:08 +01:00
battery Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bcma Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
block zram: Switch back to lz4 2024-10-04 20:09:30 -03:00
bluetooth Bluetooth: vhci: Fix race when opening vhci device 2024-11-08 11:26:08 +01:00
bts Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bus Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
cdrom Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
char Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
clk Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
clocksource Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
connector Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
counter counter: microchip-tcb-capture: Fix the use of internal GCLK logic 2024-11-08 11:25:51 +01:00
cpufreq s5e8825: Tuning 2024-10-17 12:50:20 -03:00
cpuidle Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
crypto drivers: fmp: remove failing command 2024-06-15 16:28:48 -03:00
dax Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dca Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
devfreq Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dio Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
dma dmaengine: mediatek: Fix deadlock caused by synchronize_irq() 2024-11-08 11:25:53 +01:00
dma-buf Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
edac Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
eisa Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
extcon Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fingerprint Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
firewire Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
firmware Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fpga Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fsi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gnss Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gpio Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gpu drm/i915: Retry gtt fault when out of fence registers 2024-11-08 11:26:09 +01:00
greybus Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
gud Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hid HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect 2024-11-08 11:25:43 +01:00
hsi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hv Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hwmon Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hwspinlock Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
hwtracing Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i2c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
i3c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ide Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
idle Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ifconn Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iio iio: pressure: ms5611: ms5611_prom_is_valid false negative bug 2024-11-08 11:25:49 +01:00
infiniband RDMA/srp: Fix srp_abort() 2024-11-08 11:26:06 +01:00
input Input: goodix - ensure int GPIO is in input for gpio_count == 1 && gpio_int_idx == 0 case 2024-11-08 11:25:50 +01:00
interconnect Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
iommu Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipack Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
irqchip Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
isdn Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
kperfmon Kperfmon: add xyunbound version 2024-06-15 16:28:49 -03:00
kq/mesh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
leds Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
lightnvm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
macintosh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mailbox Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mcb mcb: remove is_added flag from mcb_device struct 2024-11-08 11:25:50 +01:00
md Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
media media: mtk-jpeg: Fix use after free bug due to uncanceled work 2024-11-08 11:25:47 +01:00
memory Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
memstick Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
message Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mfd Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
misc Fix clang 16 errors treewide 2024-06-15 16:28:48 -03:00
mmc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
most Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mtd Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
muic Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
mux Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
net tun: prevent negative ifindex 2024-11-08 11:26:10 +01:00
nfc drivers/nfc_logger: Fix implicit int 2024-06-15 16:28:48 -03:00
ntb Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nubus Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nvdimm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
nvme nvmet-tcp: Fix a possible UAF in queue intialization setup 2024-11-08 11:26:09 +01:00
nvmem Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
of Backport mac80211 patches from linux-6.1.y 2024-06-15 16:29:20 -03:00
opp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
oprofile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
parisc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
parport Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pci Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pcmcia Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
perf perf/arm-cmn: Fix the unhandled overflow status of counter 4 to 7 2024-11-08 11:24:52 +01:00
phy Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pinctrl pinctrl: avoid unsafe code pattern in find_pinctrl() 2024-11-08 11:25:51 +01:00
platform Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pnp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
power Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
powercap Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pps Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ps3 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ptp Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
pwm Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rapidio Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ras Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
regulator Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
remoteproc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
reset Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rpmsg Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rtc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
s390 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
samsung Fix clang 16 errors treewide 2024-06-15 16:28:48 -03:00
sbus Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
scsi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sensorhub treewide: fix build errors 2024-06-15 16:21:17 -03:00
sensors Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sfi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
sh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
siox Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
slimbus Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
soc s5e8825: Tuning 2024-10-17 12:50:20 -03:00
soundwire Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
spi Revert "spi: spi-zynqmp-gqspi: Fix runtime PM imbalance in zynqmp_qspi_probe" 2024-11-08 11:25:47 +01:00
spmi Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
spu_verify Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ssb Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
staging Backport mac80211 patches from linux-6.1.y 2024-06-15 16:29:20 -03:00
sti Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
target Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tc Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tee tee: amdtee: fix use-after-free vulnerability in amdtee_close_session 2024-11-08 11:25:50 +01:00
thermal s5e8825: Tuning 2024-10-17 12:50:20 -03:00
thunderbolt thunderbolt: Check that lane 1 is in CL0 before enabling lane bonding 2024-11-08 11:25:50 +01:00
tty Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uh Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
uio Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
usb usb: hub: Guard against accesses to uninitialized BOS descriptors 2024-11-08 11:26:08 +01:00
vdpa Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vfio Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vhost Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vibrator Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
video Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
virt Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
virtio Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vision Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vision3 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
visorbus Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vlynq Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
vme Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
w1 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
watchdog Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
xen Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
zorro Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig drivers: add stub kperfmon 2024-06-15 16:28:49 -03:00
Kconfig.variant1 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile drivers: add stub kperfmon 2024-06-15 16:28:49 -03:00
Makefile.variant1 Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00