Bluetooth: hci0: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.4:13524] Modules linked in: irq event stamp: 2543705 hardirqs last enabled at (2543704): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2543705): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (391768): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (391771): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 13524 Comm: syz-executor.4 Not tainted 6.13.0-rc2-next-20241210 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xb5/0x170 Code: 84 d2 0f 85 98 00 00 00 8b 43 0c 85 c0 75 57 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 80 3c 02 00 0f 85 9a 00 00 00 <8d> 45 01 89 43 10 48 8b 03 48 8d 2c e8 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff88806cf08fe8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88806cf090d0 RCX: 0000000000000001 RDX: 1ffff1100d9e121a RSI: ffffffff84711606 RDI: ffff88806cf090dc RBP: 0000000000000006 R08: 0000000000000001 R09: ffff88806cf09048 R10: 000000000003a7e3 R11: 00000000000b3cfd R12: ffff88806cf090d0 R13: 0000000000000000 R14: ffff88803ff05340 R15: ffffffff84818dac FS: 00007f2df2fa1700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e823000 CR3: 000000003da1e000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 ieee802_11_parse_elems_full+0xec/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c70 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 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 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:stack_access_ok+0x78/0x1d0 Code: c1 ea 03 80 3c 02 00 0f 85 30 01 00 00 48 8d 7b 10 4c 8b 6b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 17 01 00 00 48 8b 43 10 49 39 ed 77 1a 48 39 e8 76 15 4a 8d RSP: 0018:ffff88801abc73f0 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff88801abc7498 RCX: 0000000000000001 RDX: 1ffff11003578e95 RSI: ffff88801abc7f50 RDI: ffff88801abc74a8 RBP: ffff88801abc7f50 R08: ffffffff86bf4936 R09: ffff88801abc74d8 R10: 000000000003a7e3 R11: 00000000000c2123 R12: 0000000000000008 R13: ffff88801abc0000 R14: ffff88801abc7f58 R15: ffff88801abc7498 unwind_next_frame+0xa5c/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_kmalloc+0x7f/0x90 __kmalloc_node_track_caller_noprof+0x1ef/0x490 kstrdup+0x3e/0xc0 kstrdup_const+0x57/0x80 alloc_vfsmnt+0x103/0x720 clone_mnt+0x6c/0xd80 copy_tree+0x3b3/0x8a0 copy_mnt_ns+0x1ae/0xac0 create_new_namespaces+0xd6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x26c0/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2df5a2bb19 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:00007f2df2fa1188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f2df5b3ef60 RCX: 00007f2df5a2bb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000380 RBP: 00007f2df5a85f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd7671199f R14: 00007f2df2fa1300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.13.0-rc2-next-20241210 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:trace_hardirqs_on+0x0/0x40 Code: e8 65 e1 be ff 90 0f 0b 90 90 e9 36 ff ff ff e8 a6 dd 31 00 eb 9c 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 89 6e 89 7e 85 c0 75 0e e8 3c e5 d5 ff 48 8b RSP: 0018:ffff88800960fdc8 EFLAGS: 00000002 RAX: 0000000000000040 RBX: dffffc0000000000 RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88806ce365d0 RBP: ffff88806ce287a0 R08: 0000000000000000 R09: fffffbfff0c7f792 R10: ffffffff863fbc97 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88802ce815f0 R14: 0000000000000006 R15: ffff88802ce815e8 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00068f000 CR3: 000000000701e000 CR4: 0000000000350ef0 Call Trace: tasklet_action_common+0xf5/0x3b0 handle_softirqs+0x1b1/0x770 run_ksoftirqd+0x2e/0x60 smpboot_thread_fn+0x3eb/0x930 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 Bluetooth: hci2: command 0x0406 tx timeout netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. syz-executor.5 uses obsolete (PF_INET,SOCK_PACKET) UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list EXT4-fs warning (device sda): verify_group_input:136: Cannot add at group 0 (only 16 groups) vfat: Unknown parameter 'obj_user' vfat: Unknown parameter 'obj_user' ---------------- Code disassembly (best guess): 0: 84 d2 test %dl,%dl 2: 0f 85 98 00 00 00 jne 0xa0 8: 8b 43 0c mov 0xc(%rbx),%eax b: 85 c0 test %eax,%eax d: 75 57 jne 0x66 f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 16: fc ff df 19: 48 89 da mov %rbx,%rdx 1c: 48 c1 ea 03 shr $0x3,%rdx 20: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 24: 0f 85 9a 00 00 00 jne 0xc4 * 2a: 8d 45 01 lea 0x1(%rbp),%eax <-- trapping instruction 2d: 89 43 10 mov %eax,0x10(%rbx) 30: 48 8b 03 mov (%rbx),%rax 33: 48 8d 2c e8 lea (%rax,%rbp,8),%rbp 37: 48 rex.W 38: b8 00 00 00 00 mov $0x0,%eax 3d: 00 fc add %bh,%ah 3f: ff .byte 0xff