(unnamed net_device) (uninitialized): read_eprom_word failed
=====================================================
BUG: KMSAN: uninit-value in get_interrupt_interval drivers/net/usb/pegasus.c:746 [inline]
BUG: KMSAN: uninit-value in pegasus_probe+0x10e7/0x4080 drivers/net/usb/pegasus.c:1152
CPU: 1 PID: 10171 Comm: kworker/1:5 Not tainted 5.12.0-rc6-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+0x24c/0x2e0 lib/dump_stack.c:120
 kmsan_report+0xfb/0x1e0 mm/kmsan/kmsan_report.c:118
 __msan_warning+0x5c/0xa0 mm/kmsan/kmsan_instr.c:197
 get_interrupt_interval drivers/net/usb/pegasus.c:746 [inline]
 pegasus_probe+0x10e7/0x4080 drivers/net/usb/pegasus.c:1152
 usb_probe_interface+0xfcc/0x1520 drivers/usb/core/driver.c:396
 really_probe+0xe15/0x24d0 drivers/base/dd.c:561
 driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:743
 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:849
 bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
 __device_attach+0x56a/0x890 drivers/base/dd.c:917
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:964
 bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
 device_add+0x2c15/0x31d0 drivers/base/core.c:3242
 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:561
 driver_probe_device+0x29d/0x3a0 drivers/base/dd.c:743
 __device_attach_driver+0x63f/0x830 drivers/base/dd.c:849
 bus_for_each_drv+0x2c8/0x3f0 drivers/base/bus.c:431
 __device_attach+0x56a/0x890 drivers/base/dd.c:917
 device_initial_probe+0x4a/0x60 drivers/base/dd.c:964
 bus_probe_device+0x17e/0x3d0 drivers/base/bus.c:491
 device_add+0x2c15/0x31d0 drivers/base/core.c:3242
 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:294

Local variable ----data.i@pegasus_probe created at:
 get_interrupt_interval drivers/net/usb/pegasus.c:1151 [inline]
 pegasus_probe+0xe57/0x4080 drivers/net/usb/pegasus.c:1152
 get_interrupt_interval drivers/net/usb/pegasus.c:1151 [inline]
 pegasus_probe+0xe57/0x4080 drivers/net/usb/pegasus.c:1152
=====================================================
pegasus 1-1:0.197: can't reset MAC
pegasus: probe of 1-1:0.197 failed with error -5
usb 1-1: USB disconnect, device number 3
usb 1-1: new full-speed USB device number 4 using dummy_hcd
usb 1-1: New USB device found, idVendor=09c0, idProduct=0206, bcdDevice=11.63
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
dvb-usb: found a 'Genpix SkyWalker-2 DVB-S receiver' in warm state.
gp8psk: usb in 128 operation failed.
gp8psk: usb in 146 operation failed.
gp8psk: failed to get FW version
gp8psk: usb in 149 operation failed.
gp8psk: failed to get FPGA version
gp8psk: usb out operation failed.
dvb-usb: This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)
dvb-usb: Genpix SkyWalker-2 DVB-S receiver error while loading driver (-19)
usb 1-1: USB disconnect, device number 4
usb 1-1: new full-speed USB device number 5 using dummy_hcd
usb 1-1: New USB device found, idVendor=09c0, idProduct=0206, bcdDevice=11.63
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
dvb-usb: found a 'Genpix SkyWalker-2 DVB-S receiver' in warm state.
gp8psk: usb in 128 operation failed.
gp8psk: usb in 137 operation failed.
dvb-usb: This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)
dvb-usb: Genpix SkyWalker-2 DVB-S receiver error while loading driver (-19)
usb 1-1: USB disconnect, device number 5
usb 6-1: new full-speed USB device number 76 using dummy_hcd
usb 6-1: New USB device found, idVendor=09c0, idProduct=0206, bcdDevice=11.63
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
dvb-usb: found a 'Genpix SkyWalker-2 DVB-S receiver' in warm state.
gp8psk: usb in 128 operation failed.
gp8psk: usb in 146 operation failed.
gp8psk: failed to get FW version
gp8psk: usb in 149 operation failed.
gp8psk: failed to get FPGA version
gp8psk: usb out operation failed.
dvb-usb: This USB2.0 device cannot be run on a USB1.1 port. (it lacks a hardware PID filter)
dvb-usb: Genpix SkyWalker-2 DVB-S receiver error while loading driver (-19)
usb 6-1: USB disconnect, device number 76