Comment 14 for bug 1968631

Revision history for this message
Peter Langner (posten11) wrote :

Similar/same issue for mt76 - causing unstable wifi hostapd connection:

[ 28.086284] UBSAN: invalid-load in /build/linux-WD899k/linux-5.15.0/net/mac80211/status.c:1164:21
[ 28.086294] load of value 255 is not a valid value for type '_Bool'
[ 28.086301] CPU: 0 PID: 114 Comm: kworker/u8:2 Not tainted 5.15.0-30-generic #31-Ubuntu
[ 28.086309] Hardware name: Intel(R) Client Systems NUC11ATKC4/NUC11ATBC4, BIOS ATJSLCPX.0029.2021.1117.2104 11/17/2021
[ 28.086314] Workqueue: mt76 mt76u_tx_status_data [mt76_usb]
[ 28.086335] Call Trace:
[ 28.086340] <TASK>
[ 28.086346] show_stack+0x52/0x58
[ 28.086360] dump_stack_lvl+0x4a/0x5f
[ 28.086372] dump_stack+0x10/0x12
[ 28.086378] ubsan_epilogue+0x9/0x45
[ 28.086385] __ubsan_handle_load_invalid_value.cold+0x44/0x49
[ 28.086392] ? usb_control_msg+0xfe/0x140
[ 28.086401] ieee80211_tx_status_ext.cold+0x4e/0x5f [mac80211]
[ 28.086568] mt76_tx_status_unlock+0x10c/0x160 [mt76]
[ 28.086590] mt76x02_send_tx_status+0x168/0x3f0 [mt76x02_lib]
[ 28.086611] mt76x02_tx_status_data+0x47/0x70 [mt76x02_lib]
[ 28.086628] mt76u_tx_status_data+0x64/0xc0 [mt76_usb]
[ 28.086639] process_one_work+0x228/0x3d0
[ 28.086650] worker_thread+0x53/0x410
[ 28.086659] ? process_one_work+0x3d0/0x3d0
[ 28.086667] kthread+0x127/0x150
[ 28.086675] ? set_kthread_struct+0x50/0x50
[ 28.086683] ret_from_fork+0x1f/0x30
[ 28.086694] </TASK>
[ 28.086697] ================================================================================