Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.7:8495] Modules linked in: irq event stamp: 6902025 hardirqs last enabled at (6902024): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (6902025): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (6882912): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (6882915): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 8495 Comm: syz-executor.7 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x10/0x170 Code: fd ff ff e8 f2 20 08 03 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 53 <48> 89 fb 48 83 c7 10 48 89 fa 48 c1 ea 03 48 83 ec 08 0f b6 04 02 RSP: 0018:ffff88806cf09700 EFLAGS: 00000286 RAX: dffffc0000000000 RBX: ffffffff81383970 RCX: 0000000000000000 RDX: 1ffff1100d9e12ee RSI: ffffffff834bf15a RDI: ffff88806cf097e0 RBP: ffff88806cf097b0 R08: ffffffff860f0cce R09: ffffffff860f0cd2 R10: ffffed100d9e12f0 R11: ffff88806cf09758 R12: ffff88806cf097e0 R13: 0000000000000000 R14: ffff88800db99ac0 R15: 0000000000000a20 FS: 00007f87e2ea5700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d1ab066c30 CR3: 000000001e542000 CR4: 0000000000350ee0 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc_node+0x1f5/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:kmem_cache_free+0xde/0x610 Code: 47 0a 80 75 25 48 89 df e8 df c3 c3 02 eb 1b 41 8b 47 08 89 c2 81 e2 00 00 80 00 49 83 7f 48 00 0f 84 1a 02 00 00 85 d2 74 db <41> 8b 77 1c 48 89 df e8 96 59 ae ff 31 c9 48 8b 55 08 48 89 de 4c RSP: 0018:ffff8880468ffa50 EFLAGS: 00000286 RAX: 00000000005de101 RBX: ffff888009fd3740 RCX: ffffffff812b740f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880468ffa88 R08: 0000000000000001 R09: ffffffff876358cf R10: fffffbfff0ec6b19 R11: 0000000000000001 R12: ffffea000027f4c0 R13: ffffffff81a4c605 R14: ffff88800846b810 R15: ffff8880087828c0 kernfs_put.part.0+0x225/0x460 kernfs_put+0x46/0x50 kernfs_remove_by_name_ns+0xbc/0x130 remove_files+0x96/0x1c0 sysfs_remove_group+0x8b/0x170 sysfs_remove_groups+0x60/0xa0 device_remove_attrs+0x203/0x290 device_del+0x4f1/0xfd0 device_unregister+0x15/0x30 bdi_unregister+0x3ec/0x5b0 del_gendisk+0x856/0xa70 loop_control_ioctl+0x455/0x620 __x64_sys_ioctl+0x19e/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f87e592fb19 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:00007f87e2ea5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f87e5a42f60 RCX: 00007f87e592fb19 RDX: 0000000000000001 RSI: 0000000000004c81 RDI: 0000000000000007 RBP: 00007f87e5989f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe79c39abf R14: 00007f87e2ea5300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8506 Comm: syz-executor.2 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 Code: c0 e9 ed 6a f9 02 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 4d 5b ba 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 00 89 03 00 a9 RSP: 0018:ffff88806ce094f8 EFLAGS: 00000086 RAX: 0000000000010102 RBX: ffff888008de2920 RCX: 0000000000000100 RDX: ffff88801ff20000 RSI: 0000000000000001 RDI: ffff888008de2920 RBP: ffff888008de2920 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001 R13: ffff888008de2d94 R14: ffff888008de2d4c R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055d1ab06a628 CR3: 000000000e622000 CR4: 0000000000350ef0 Call Trace: __perf_event_account_interrupt+0x17/0x2c0 __perf_event_overflow+0xbf/0x760 perf_swevent_hrtimer+0x361/0x3d0 __hrtimer_run_queues+0x17f/0xc70 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ce 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8442783b RDX: fffffbfff0b48541 RSI: 0000000000000004 RDI: ffffffff85a42a00 RBP: ffffffff85a42a00 R08: 0000000000000000 R09: ffffffff85a42a03 R10: fffffbfff0b48540 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48540 R14: 0000000000000001 R15: 1ffff1100d9c1346 do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:unmap_page_range+0x19e8/0x2c10 Code: ed 0f 84 19 f0 ff ff e8 86 11 dc ff 49 8d 45 08 48 89 84 24 98 00 00 00 48 c1 e8 03 80 3c 28 00 0f 85 ff 08 00 00 49 8b 5d 08 <31> ff 49 89 de 41 83 e6 01 4c 89 f6 e8 b7 0d dc ff 4d 85 f6 0f 85 RSP: 0018:ffff8880469ef700 EFLAGS: 00000246 RAX: 1ffffd4000203859 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88801ff20000 RSI: ffffffff816d1c2a RDI: ffff8880469efaf0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88803dc5e448 R13: ffffea000101c2c0 R14: 0000000000000001 R15: ffff8880469efad8 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x226/0x380 exit_mmap+0x158/0x680 mmput+0xd5/0x390 do_exit+0x99b/0x2760 do_group_exit+0xd4/0x2a0 get_signal+0x21b7/0x22f0 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fa68a1cdb19 Code: Unable to access opcode bytes at 0x7fa68a1cdaef. RSP: 002b:00007fa687722188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: fffffffffffffffc RBX: 00007fa68a2e1020 RCX: 00007fa68a1cdb19 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003 RBP: 00007fa68a227f6d R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000005f1 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5da0985f R14: 00007fa687722300 R15: 0000000000022000 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: e8 f2 20 08 03 callq 0x30820f7 5: 66 90 xchg %ax,%ax 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: f3 0f 1e fa endbr64 1b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 22: fc ff df 25: 55 push %rbp 26: 53 push %rbx * 27: 48 89 fb mov %rdi,%rbx <-- trapping instruction 2a: 48 83 c7 10 add $0x10,%rdi 2e: 48 89 fa mov %rdi,%rdx 31: 48 c1 ea 03 shr $0x3,%rdx 35: 48 83 ec 08 sub $0x8,%rsp 39: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax