Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.2:18452] Modules linked in: irq event stamp: 2378717 hardirqs last enabled at (2378716): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2378717): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2353832): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2353857): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 18452 Comm: syz-executor.2 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x767/0x1320 Code: 83 ac 3e 00 00 31 ff 89 c6 88 04 24 e8 42 2f 17 fe 0f b6 04 24 84 c0 0f 85 e9 04 00 00 e8 61 2c 17 fe e8 5c 2c 17 fe 48 89 d8 <48> c1 e8 03 80 3c 28 00 0f 85 c6 08 00 00 48 8b 1b 48 81 fb 60 a6 RSP: 0018:ffff88806ce09b40 EFLAGS: 00000246 RAX: ffff88802ea03080 RBX: ffff88802ea03080 RCX: ffffffff833aaeca RDX: ffff88803d6fb700 RSI: ffffffff833aacf4 RDI: 0000000000000004 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c135a R10: 0000000000000005 R11: 5050505001000011 R12: ffff88803ea53080 R13: ffff88803e3c1640 R14: ffff88803ea53318 R15: 0000000000000005 FS: 00007faa1f1d4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faa1f150718 CR3: 00000000390be000 CR4: 0000000000350ef0 Call Trace: mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__slab_free+0x7f/0x310 Code: c1 e8 1f 4d 85 ed 66 89 5c 24 58 41 89 c6 41 0f 94 c2 66 85 db 74 05 45 84 d2 74 05 45 84 f6 74 42 41 8b 7f 08 4c 8b 4c 24 58 <4c> 89 ea 4c 89 e6 4c 8b 44 24 20 e8 91 a0 ff ff 84 c0 74 9d 4c 89 RSP: 0018:ffff88803f9477c0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000070002 RCX: 0000000000070003 RDX: ffff88803d674400 RSI: ffffea0000f59c00 RDI: 0000000000089110 RBP: ffff88803f947860 R08: 0000000000000001 R09: 0000000000070002 R10: ffffea0000f59c00 R11: 00000000000007e0 R12: ffffea0000f59c00 R13: ffff88803d671100 R14: 0000000000000000 R15: ffff888009406280 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_node_track_caller_noprof+0x18f/0x490 kstrdup+0x3e/0xc0 kstrdup_const+0x57/0x80 __kernfs_new_node+0x9d/0x850 kernfs_new_node+0x18b/0x250 __kernfs_create_file+0x55/0x360 cgroup_addrm_files+0x51d/0xbe0 css_populate_dir+0x30a/0x490 cgroup_mkdir+0x350/0xfd0 kernfs_iop_mkdir+0x151/0x1e0 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x320 __x64_sys_mkdirat+0x84/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faa21c5eb19 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:00007faa1f1d4188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007faa21d71f60 RCX: 00007faa21c5eb19 RDX: 00000000000001ff RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007faa21cb8f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd5ed4c1bf R14: 00007faa1f1d4300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x242/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 bf fe ff ff 89 44 24 38 f3 90 5b fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806cf099e8 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8485c27f RDX: fffffbfff0c1b4d5 RSI: 0000000000000004 RDI: ffffffff860da6a0 RBP: ffffffff860da6a0 R08: 0000000000000000 R09: fffffbfff0c1b4d4 R10: ffffffff860da6a3 R11: 5050505001000011 R12: 1ffff1100d9e133e R13: 0000000000000003 R14: fffffbfff0c1b4d4 R15: ffff88806cf09a20 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056149564ab80 CR3: 0000000013cfc000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d a9 df 3e 00 0f 1f 44 00 00 fb f4 e9 1c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096c7e68 EFLAGS: 00000202 RAX: 00000000000d6b97 RBX: 0000000000000001 RCX: ffffffff84839b17 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812ae2ca RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863f7790 R13: 1ffff110012d8fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: ac lods %ds:(%rsi),%al 1: 3e 00 00 add %al,%ds:(%rax) 4: 31 ff xor %edi,%edi 6: 89 c6 mov %eax,%esi 8: 88 04 24 mov %al,(%rsp) b: e8 42 2f 17 fe callq 0xfe172f52 10: 0f b6 04 24 movzbl (%rsp),%eax 14: 84 c0 test %al,%al 16: 0f 85 e9 04 00 00 jne 0x505 1c: e8 61 2c 17 fe callq 0xfe172c82 21: e8 5c 2c 17 fe callq 0xfe172c82 26: 48 89 d8 mov %rbx,%rax * 29: 48 c1 e8 03 shr $0x3,%rax <-- trapping instruction 2d: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) 31: 0f 85 c6 08 00 00 jne 0x8fd 37: 48 8b 1b mov (%rbx),%rbx 3a: 48 rex.W 3b: 81 .byte 0x81 3c: fb sti 3d: 60 (bad) 3e: a6 cmpsb %es:(%rdi),%ds:(%rsi)