syz-executor.0 (13027) used greatest stack depth: 22912 bytes left Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.6:13049] Modules linked in: irq event stamp: 2990933 hardirqs last enabled at (2990932): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2990933): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2959330): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2959333): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 13049 Comm: syz-executor.6 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xc6e/0x2490 Code: 08 00 00 00 4c 89 ff 49 01 c6 4c 89 f6 e8 ca f1 ff ff 4d 8d 4f 40 84 c0 0f 84 a4 f6 ff ff 4c 89 f7 e8 b6 e9 ff ff 49 8d 7f 50 <48> 89 fa 48 89 c5 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c RSP: 0018:ffff88806ce094c8 EFLAGS: 00000202 RAX: ffff88806ce099f0 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806ce09901 RSI: ffff88806ce09960 RDI: ffff88806ce09588 RBP: ffff88806ce09590 R08: 0000000000000001 R09: ffff88806ce09578 R10: 000000000003c001 R11: 0000000000024e80 R12: ffff88806ce09598 R13: ffff88806ce09580 R14: ffff88806ce09960 R15: ffff88806ce09538 FS: 00007fbe4aa53700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5bd9ff5030 CR3: 000000003ea8e000 CR4: 0000000000350ef0 Call Trace: 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 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/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/0xa80 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 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:ffff88804194fc60 EFLAGS: 00000246 RAX: ffff88801334dde0 RBX: ffff88800b450a68 RCX: ffffea00004cd340 RDX: 0000000000000000 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: ffff888008c4f780 R08: ffff88800e832818 R09: 00000000000d000a R10: ffffea00003a0c00 R11: 00000000000007e0 R12: 0000000000000000 R13: ffff88804194fc98 R14: ffff88800e832818 R15: ffff88800e832818 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 alloc_empty_file+0x76/0x1e0 alloc_file_pseudo+0x139/0x200 sock_alloc_file+0x53/0x1d0 __sys_socket+0x1bc/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbe4d4feb19 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:00007fbe4aa53188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007fbe4d612020 RCX: 00007fbe4d4feb19 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 000000000000000a RBP: 00007fbe4d558f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea2ecd67f R14: 00007fbe4aa53300 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-next-20241128 #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:ffff88806cf099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff848722cf RDX: fffffbfff0c1b789 RSI: 0000000000000004 RDI: ffffffff860dbc40 RBP: ffffffff860dbc40 R08: 0000000000000000 R09: fffffbfff0c1b788 R10: ffffffff860dbc43 R11: 5050505001000011 R12: 1ffff1100d9e133d R13: 0000000000000003 R14: fffffbfff0c1b788 R15: ffff88806cf09a18 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c002fff000 CR3: 0000000016aa2000 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/0xa80 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 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 d9 80 3d 00 0f 1f 44 00 00 fb f4 e9 6c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096cfe68 EFLAGS: 00000206 RAX: 00000000000c2a7d RBX: 0000000000000001 RCX: ffffffff8484fb07 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b110a RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863f9f10 R13: 1ffff110012d9fd2 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): 0: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 4c 89 ff mov %r15,%rdi 7: 49 01 c6 add %rax,%r14 a: 4c 89 f6 mov %r14,%rsi d: e8 ca f1 ff ff callq 0xfffff1dc 12: 4d 8d 4f 40 lea 0x40(%r15),%r9 16: 84 c0 test %al,%al 18: 0f 84 a4 f6 ff ff je 0xfffff6c2 1e: 4c 89 f7 mov %r14,%rdi 21: e8 b6 e9 ff ff callq 0xffffe9dc 26: 49 8d 7f 50 lea 0x50(%r15),%rdi * 2a: 48 89 fa mov %rdi,%rdx <-- trapping instruction 2d: 48 89 c5 mov %rax,%rbp 30: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 37: fc ff df 3a: 48 c1 ea 03 shr $0x3,%rdx 3e: 80 .byte 0x80 3f: 3c .byte 0x3c