Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.3:4905] Modules linked in: irq event stamp: 2335639 hardirqs last enabled at (2335638): [<ffffffff8484c78b>] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2335639): [<ffffffff8484b14f>] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2312604): [<ffffffff811a97cc>] handle_softirqs+0x50c/0x770 softirqs last disabled at (2312607): [<ffffffff811a9b64>] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 4905 Comm: syz-executor.3 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x6f/0xf0 Code: 77 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 RSP: 0018:ffff88806ce09530 EFLAGS: 00000216 RAX: 1ffffffff0ce7ccf RBX: ffffffff8673e678 RCX: ffffffff8484b1af RDX: 0000000000000000 RSI: ffffffff86bf0d0a RDI: ffffffff8673e64c RBP: ffffffff8673e678 R08: ffffffff86bf0d0a R09: ffff88806ce09628 R10: 000000000003c001 R11: 00000000000c1d3b R12: ffffffff8673e678 R13: ffffffff8673e64c R14: ffffffff8673e674 R15: dffffc0000000000 FS: 00007f91a5a1d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bc2160b0d0 CR3: 000000000de5a000 CR4: 0000000000350ef0 Call Trace: <IRQ> unwind_next_frame+0x2b7/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/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+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:qlist_free_all+0x28/0x160 Code: 90 90 48 8b 07 48 85 c0 0f 84 41 01 00 00 41 57 41 56 41 55 49 89 fd 41 54 49 89 f4 55 53 eb 3e 48 63 95 c0 00 00 00 48 8b 18 <48> 89 ef 48 29 d0 48 89 c6 49 89 c6 e8 e7 f0 ff ff 49 89 c7 66 90 RSP: 0018:ffff88803ef873d0 EFLAGS: 00000246 RAX: ffff888013956a00 RBX: ffff8880190c4140 RCX: ffffea00004e5500 RDX: 0000000000000000 RSI: ffffea00004e5501 RDI: 0000000000080000 RBP: ffff8880096a1500 R08: ffff888015ff9000 R09: 0000000000100005 R10: ffffea000057fe00 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803ef87408 R14: ffff888015ff9000 R15: ffff888015ff9000 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 ext4_mb_new_blocks+0x2345/0x45b0 ext4_ext_map_blocks+0x1b14/0x5ac0 ext4_map_blocks+0x3f1/0x1500 ext4_getblk+0x684/0x8e0 ext4_bread+0x2e/0x1a0 ext4_append+0x225/0x540 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d2/0xb30 vfs_mkdir+0x291/0x4f0 do_mkdirat+0x1a4/0x350 __x64_sys_mkdir+0xf3/0x140 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f91a84a6c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f91a5a1cfa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f91a84a6c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000700 RBP: 00007f91a5a1d040 R08: 0000000000000000 R09: 0000000001000001 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000200006c0 R13: 0000000020000700 R14: 00007f91a5a1d000 R15: 0000000020000040 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: 77 4d ja 0x4f 2: 4c 89 e0 mov %r12,%rax 5: 48 29 e8 sub %rbp,%rax 8: 48 89 c2 mov %rax,%rdx b: 48 c1 e8 3f shr $0x3f,%rax f: 48 c1 fa 02 sar $0x2,%rdx 13: 48 01 d0 add %rdx,%rax 16: 48 d1 f8 sar %rax 19: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx 1e: 48 89 d8 mov %rbx,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx * 2a: 48 89 d8 mov %rbx,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 04 jl 0x3b 37: 84 d2 test %dl,%dl 39: 75 50 jne 0x8b 3b: 48 63 03 movslq (%rbx),%rax 3e: 48 rex.W 3f: 01 .byte 0x1