Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci0: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.2:16949] Modules linked in: irq event stamp: 2765051 hardirqs last enabled at (2765050): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2765051): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2714154): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2714167): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 16949 Comm: syz-executor.2 Not tainted 6.13.0-rc2-next-20241213 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_acquire.part.0+0x10e/0x320 Code: b6 c9 e8 35 a7 ff ff b8 ff ff ff ff 48 83 c4 28 65 0f c1 05 cc 4b b2 7e 83 f8 01 0f 85 aa 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff88806ce09528 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff1100d9c12a8 RCX: 1ffff1100d9c128d RDX: 1ffff110057e74c0 RSI: 0000000000000001 RDI: 000000002e1ce1be RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff0fddddc R10: ffffffff87eeeee7 R11: 0000000000000003 R12: ffffffff85c16400 R13: 0000000000000000 R14: ffff88802bf39bc0 R15: 0000000000082820 FS: 00007f051efa9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055c82205b268 CR3: 0000000013938000 CR4: 0000000000350ef0 Call Trace: __is_insn_slot_addr+0x3f/0x290 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node_noprof+0x14c/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __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/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+0x25/0x160 Code: 90 90 90 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 77 f0 ff ff 49 89 RSP: 0018:ffff8880162ef140 EFLAGS: 00000246 RAX: ffff88800dc86140 RBX: ffff88800dc86140 RCX: ffffea0000372180 RDX: 0000000000000000 RSI: ffff888008c41780 RDI: ffff888008c41640 RBP: ffff888008c41780 R08: 0000000000000001 R09: ffffffff81abe78b R10: ffffea000069e180 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880162ef178 R14: ffff88801a786d40 R15: ffff88801a786d40 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 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 alloc_uevent_skb+0x7b/0x210 kobject_uevent_env+0xa8c/0xf90 device_add+0xf98/0x17f0 device_create_groups_vargs+0x207/0x280 device_create+0xe0/0x120 vcs_make_sysfs+0x32/0x80 vc_allocate+0x54e/0x7a0 con_install+0xa0/0x5d0 tty_init_dev.part.0+0xa0/0x670 tty_open+0xb6e/0x1310 chrdev_open+0x235/0x690 do_dentry_open+0x71c/0x1420 vfs_open+0x82/0x3f0 path_openat+0x1cfa/0x2990 do_filp_open+0x1e9/0x450 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f05219e6a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007f051efa8cc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f0521b46f60 RCX: 00007f05219e6a04 RDX: 0000000000000002 RSI: 00007f051efa8d60 RDI: 00000000ffffff9c RBP: 00007f051efa8d60 R08: 0000000000000000 R09: 000000000000000e R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 00007ffe9a0a33bf R14: 00007f051efa9300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list loop0: detected capacity change from 0 to 4 EXT4-fs (loop0): invalid first ino: 0 loop0: detected capacity change from 0 to 4 EXT4-fs (loop0): invalid first ino: 0 loop0: detected capacity change from 0 to 4 EXT4-fs (loop0): invalid first ino: 0 audit: type=1400 audit(1734106873.408:10): avc: denied { block_suspend } for pid=17022 comm="syz-executor.1" capability=36 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop0: detected capacity change from 0 to 4 EXT4-fs (loop0): invalid first ino: 0 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop0: detected capacity change from 0 to 4 EXT4-fs (loop0): invalid first ino: 0 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium random: crng reseeded on system resumption random: crng reseeded on system resumption random: crng reseeded on system resumption mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium random: crng reseeded on system resumption loop6: detected capacity change from 0 to 16 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium EXT4-fs (loop6): couldn't mount as ext2 due to feature incompatibilities loop6: detected capacity change from 0 to 16 EXT4-fs (loop6): couldn't mount as ext2 due to feature incompatibilities random: crng reseeded on system resumption random: crng reseeded on system resumption loop6: detected capacity change from 0 to 16 EXT4-fs (loop6): couldn't mount as ext2 due to feature incompatibilities random: crng reseeded on system resumption loop6: detected capacity change from 0 to 16 EXT4-fs (loop6): couldn't mount as ext2 due to feature incompatibilities random: crng reseeded on system resumption mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium loop6: detected capacity change from 0 to 16 EXT4-fs (loop6): couldn't mount as ext2 due to feature incompatibilities netlink: 'syz-executor.3': attribute type 16 has an invalid length. netlink: 'syz-executor.3': attribute type 16 has an invalid length. netlink: 'syz-executor.3': attribute type 16 has an invalid length. netlink: 'syz-executor.3': attribute type 16 has an invalid length. netlink: 'syz-executor.3': attribute type 16 has an invalid length. syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode ---------------- Code disassembly (best guess): 0: b6 c9 mov $0xc9,%dh 2: e8 35 a7 ff ff callq 0xffffa73c 7: b8 ff ff ff ff mov $0xffffffff,%eax c: 48 83 c4 28 add $0x28,%rsp 10: 65 0f c1 05 cc 4b b2 xadd %eax,%gs:0x7eb24bcc(%rip) # 0x7eb24be4 17: 7e 18: 83 f8 01 cmp $0x1,%eax 1b: 0f 85 aa 01 00 00 jne 0x1cb 21: 48 85 ed test %rbp,%rbp 24: 0f 85 9b 01 00 00 jne 0x1c5 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7