Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout rcu_tasks_wait_gp: rcu_tasks grace period number 25 (since boot) is 11038 jiffies old. Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:15316] Modules linked in: irq event stamp: 2366073 hardirqs last enabled at (2366072): [<ffffffff8484a78b>] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2366073): [<ffffffff8484914f>] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2357572): [<ffffffff811a977c>] handle_softirqs+0x50c/0x770 softirqs last disabled at (2357575): [<ffffffff811a9b14>] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 15316 Comm: syz-executor.2 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kfree+0x255/0x480 Code: 48 8b 78 08 4c 89 fa e8 69 7a f0 ff 65 ff 0d 0a 16 7f 7e 0f 85 f1 fd ff ff 0f 1f 44 00 00 e9 ee fd ff ff e8 ad bd b4 ff 84 c0 <0f> 85 f4 fd ff ff 80 3d 15 54 b8 04 00 0f 85 e7 fd ff ff c6 05 08 RSP: 0018:ffff88806cf09410 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 000000000003a6cc RCX: ffffffff845061cc RDX: 0000000000000000 RSI: ffffffff845063c6 RDI: ffff88806cf365d0 RBP: ffff88806cf09470 R08: 000000006c604830 R09: ffffed1001dd5a9b R10: 00000000000000ff R11: 00000000000c3893 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88804260f800 FS: 00007f911e9d8700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f22d72bbf48 CR3: 000000003e3aa000 CR4: 0000000000350ef0 Call Trace: <IRQ> ieee80211_inform_bss+0x7f6/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:do_con_write+0x8f6/0x6e60 Code: ae 20 04 00 00 48 89 e8 48 89 ea 48 c1 e8 03 83 e2 07 42 0f b6 0c 38 83 c2 01 38 ca 7c 08 84 c9 0f 85 3f 34 00 00 66 89 5d 00 <4c> 89 f7 e8 82 1b ff ff 31 ff 89 c3 89 c6 e8 37 2f f1 fe 84 db 0f RSP: 0018:ffff888037a37980 EFLAGS: 00000246 RAX: 1ffff110000174dd RBX: 000000000000078d RCX: 0000000000000000 RDX: 0000000000000005 RSI: ffffffff8260d448 RDI: 0000000000000003 RBP: ffff8880000ba6ec R08: 0000000000000001 R09: ffff88801a3e0a38 R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000008d R13: ffffed100119a284 R14: ffff888008cd1000 R15: dffffc0000000000 con_write+0x23/0xb0 n_tty_write+0x4d6/0xff0 file_tty_write.constprop.0+0x45e/0x980 vfs_write+0xbdb/0x10a0 ksys_write+0x122/0x240 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9121462b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f911e9d8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f9121575f60 RCX: 00007f9121462b19 RDX: 0000000000000801 RSI: 0000000020001600 RDI: 0000000000000003 RBP: 00007f91214bcf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffda21d112f R14: 00007f911e9d8300 R15: 0000000000022000 </TASK> Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 48 8b 78 08 mov 0x8(%rax),%rdi 4: 4c 89 fa mov %r15,%rdx 7: e8 69 7a f0 ff callq 0xfff07a75 c: 65 ff 0d 0a 16 7f 7e decl %gs:0x7e7f160a(%rip) # 0x7e7f161d 13: 0f 85 f1 fd ff ff jne 0xfffffe0a 19: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 1e: e9 ee fd ff ff jmpq 0xfffffe11 23: e8 ad bd b4 ff callq 0xffb4bdd5 28: 84 c0 test %al,%al * 2a: 0f 85 f4 fd ff ff jne 0xfffffe24 <-- trapping instruction 30: 80 3d 15 54 b8 04 00 cmpb $0x0,0x4b85415(%rip) # 0x4b8544c 37: 0f 85 e7 fd ff ff jne 0xfffffe24 3d: c6 .byte 0xc6 3e: 05 .byte 0x5 3f: 08 .byte 0x8