in 5.18 and up
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1978297
Title:
[SRU][Jammy/OEM-5.17][PATCH 0/1] Fix calltrace in mac80211
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.17 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Fix Released
Status in linux-oem-5.17 source package in Jammy:
Fix Released
Bug description:
[Impact]
When bootup Jammy kernel, it shows callrace:
kernel:
================================================================================
kernel: UBSAN: invalid-load in
/home/u/aaron/bionic/net/mac80211/status.c:1164:21
kernel: load of value 216 is not a valid value for type '_Bool'
kernel: CPU: 9 PID: 0 Comm: swapper/9 Not tainted 5.15.36+ #12
kernel: Hardware name: LENOVO 21D2SIT061/21D2SIT061, BIOS N3GET30W (1.11 )
05/27/2022
kernel: Call Trace:
kernel: <IRQ>
kernel: dump_stack_lvl+0x4a/0x5f
kernel: dump_stack+0x10/0x12
kernel: ubsan_epilogue+0x9/0x45
kernel: __ubsan_handle_load_invalid_value.cold+0x44/0x49
kernel: ieee80211_tx_status_ext.cold+0x1e/0xb0 [mac80211]
kernel: ? percpu_ref_kill_and_confirm+0xd0/0xd0
kernel: ? rht_key_get_hash.isra.0+0x19/0x20 [mac80211]
kernel: ? sta_info_hash_lookup+0xac/0x100 [mac80211]
kernel: ieee80211_tx_status+0x72/0xa0 [mac80211]
kernel: ieee80211_tasklet_handler+0xa2/0xd0 [mac80211]
kernel: tasklet_action_common.constprop.0+0xc0/0xf0
kernel: tasklet_action+0x22/0x30
kernel: __do_softirq+0xd9/0x2e3
kernel: irq_exit_rcu+0x8c/0xb0
kernel: common_interrupt+0x8a/0xa0
kernel: </IRQ>
kernel: <TASK>
kernel: asm_common_interrupt+0x1e/0x40
kernel: RIP: 0010:cpuidle_enter_state+0xd9/0x620
kernel: Code: 3d b4 85 3d 5c e8 57 a7 6b ff 49 89 c7 0f 1f 44 00 00 31 ff e8
a8 b3 6b ff 80 7d d0>
kernel: RSP: 0018:ffff9e2dc01f7e38 EFLAGS: 00000246
kernel: RAX: ffff8dfdb6870b00 RBX: ffff8df6c3ab6c00 RCX: 000000023cd33784
kernel: RDX: 000000023d103fa8 RSI: 000000023cd33784 RDI: 0000000000000000
kernel: RBP: ffff9e2dc01f7e88 R08: 000000023cd33d63 R09: 00000000000aae60
kernel: R10: 0000000000000004 R11: 071c71c71c71c71c R12: ffffffffa4ce65a0
kernel: R13: 0000000000000003 R14: 0000000000000003 R15: 000000023cd33d63
kernel: ? cpuidle_enter_state+0xc8/0x620
kernel: ? sched_clock_local+0x13/0x90
kernel: cpuidle_enter+0x2e/0x40
kernel: do_idle+0x203/0x2a0
kernel: cpu_startup_entry+0x20/0x30
kernel: start_secondary+0x12a/0x180
kernel: secondary_startup_64_no_verify+0xc2/0xcb
kernel: </TASK>
kernel:
================================================================================
[Fix]
The size of the status_driver_data field was not adjusted
when the is_valid_ack_signal field was added.
Adjust the struct size accordingly.
[Test]
Verified on hardware, no error.
[Where problems could occur]
Low risk, It may break wifi driver.
Minor changes in title of "Copyright" when backport.
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