Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:4171] Modules linked in: irq event stamp: 2368975 hardirqs last enabled at (2368974): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (2368975): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (2344352): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (2344367): [] asm_call_irq_on_stack+0x12/0x20 CPU: 0 PID: 4171 Comm: syz-executor.2 Not tainted 5.10.191 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:jhash2 include/linux/jhash.h:139 [inline] RIP: 0010:hash_stack lib/stackdepot.c:157 [inline] RIP: 0010:stack_depot_save+0x1a8/0x400 lib/stackdepot.c:249 Code: 0b 29 d7 89 fa 31 f8 c1 ca 07 29 d0 89 c2 31 c3 c1 c2 10 29 d3 89 da 31 df c1 c2 04 29 d7 31 f8 c1 c7 0e 29 f8 31 c3 c1 c8 08 <29> c3 e9 30 ff ff ff 8b 05 93 37 a0 05 85 c0 0f 84 ad 01 00 00 48 RSP: 0018:ffff88806ce09968 EFLAGS: 00000a82 RAX: 000000004cf9124f RBX: 00000000e3729792 RCX: 0000000000000800 RDX: 00000000a60d8de1 RSI: 0000000000000002 RDI: 000000003b5b9b83 RBP: ffffffff816be767 R08: 000000005aabd68a R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce099b8 R13: 0000000000000010 R14: 0000000000000010 R15: ffff8880483b7000 FS: 00007fa7ef84f700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0095f5840 CR3: 000000004716e000 CR4: 0000000000350ef0 Call Trace: kasan_save_stack+0x32/0x40 mm/kasan/common.c:50 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0x110/0x160 mm/kasan/common.c:422 slab_free_hook mm/slub.c:1542 [inline] slab_free_freelist_hook+0xa9/0x180 mm/slub.c:1576 slab_free mm/slub.c:3149 [inline] kmem_cache_free+0xa7/0x2d0 mm/slub.c:3165 kfree_skbmem+0xef/0x1b0 net/core/skbuff.c:636 __kfree_skb net/core/skbuff.c:693 [inline] consume_skb net/core/skbuff.c:848 [inline] consume_skb+0x11d/0x2b0 net/core/skbuff.c:842 mac80211_hwsim_tx_frame+0x15a/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1717 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1583 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1647 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1664 __do_softirq+0x1b8/0x7c9 kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:lock_release+0x3b4/0x680 kernel/locking/lockdep.c:5573 Code: 44 24 40 45 39 87 40 09 00 00 0f 85 a6 01 00 00 b8 ff ff ff ff 65 0f c1 05 29 64 db 7e 83 f8 01 0f 85 30 01 00 00 ff 34 24 9d <48> b8 00 00 00 00 00 fc ff df 48 01 c5 48 c7 45 00 00 00 00 00 c7 RSP: 0018:ffff88804722f440 EFLAGS: 00000246 RAX: 0000000000000001 RBX: c97c0cc6ecf48341 RCX: ffff88804722f490 RDX: 1ffff11008f2daff RSI: 0000000000000000 RDI: ffff88804796d7f8 RBP: 1ffff11008e45e8a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003 R13: 0000000000000004 R14: ffff88804796d800 R15: ffff88804796cec0 rcu_lock_release include/linux/rcupdate.h:265 [inline] rcu_read_unlock include/linux/rcupdate.h:714 [inline] __is_insn_slot_addr+0x14c/0x290 kernel/kprobes.c:307 is_kprobe_insn_slot include/linux/kprobes.h:309 [inline] kernel_text_address kernel/extable.c:149 [inline] kernel_text_address+0xf2/0x120 kernel/extable.c:120 __kernel_text_address+0x9/0x40 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:323 [inline] unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:318 arch_stack_walk+0x99/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0x110/0x160 mm/kasan/common.c:422 slab_free_hook mm/slub.c:1542 [inline] slab_free_freelist_hook+0xa9/0x180 mm/slub.c:1576 slab_free mm/slub.c:3149 [inline] kfree+0xd7/0x340 mm/slub.c:4125 memcg_free_page_obj_cgroups mm/slab.h:262 [inline] unaccount_slab_page mm/slab.h:452 [inline] __free_slab+0xb0/0x1f0 mm/slub.c:1848 qlink_free mm/kasan/quarantine.c:151 [inline] qlist_free_all+0x59/0xe0 mm/kasan/quarantine.c:170 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x310 mm/slub.c:2909 alloc_inode+0x171/0x240 fs/inode.c:235 new_inode_pseudo fs/inode.c:929 [inline] new_inode+0x23/0x250 fs/inode.c:958 debugfs_get_inode+0x1a/0x130 fs/debugfs/inode.c:68 __debugfs_create_file+0x14e/0x530 fs/debugfs/inode.c:403 do_blk_trace_setup+0x3fb/0xc10 kernel/trace/blktrace.c:552 __blk_trace_setup+0xca/0x180 kernel/trace/blktrace.c:597 blk_trace_ioctl+0x155/0x290 kernel/trace/blktrace.c:738 blkdev_ioctl+0xc1/0x710 block/ioctl.c:625 block_ioctl+0xf9/0x140 fs/block_dev.c:1893 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xcc RIP: 0033:0x7fa7f22d9b19 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:00007fa7ef84f188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fa7f23ecf60 RCX: 00007fa7f22d9b19 RDX: 0000000020000000 RSI: 00000000c0481273 RDI: 0000000000000003 RBP: 00007fa7f2333f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd9888397f R14: 00007fa7ef84f300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 257 Comm: syz-fuzzer Not tainted 5.10.191 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x20 kernel/kcov.c:284 Code: 66 2e 0f 1f 84 00 00 00 00 00 48 8b 0c 24 0f b7 d6 0f b7 f7 bf 03 00 00 00 e9 cc fe ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 90 <48> 8b 0c 24 89 f2 89 fe bf 05 00 00 00 e9 ae fe ff ff 66 66 2e 0f RSP: 0018:ffff8880182ef7c0 EFLAGS: 00000082 RAX: 0000000040000000 RBX: ffff88800ce84708 RCX: ffffffff814fb7dd RDX: ffff88800ce83480 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 0000000000000001 R08: 0000000000000000 R09: ffff88806cf37cf7 R10: ffffed100d9e6f9e R11: 0000000000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: 1ffff1100305df01 R15: ffff88800ce83480 FS: 000000c000030b10(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000611000 CR3: 000000000f076000 CR4: 0000000000350ee0 Call Trace: __perf_event_task_sched_in+0x104/0x750 kernel/events/core.c:3937 perf_event_task_sched_in include/linux/perf_event.h:1201 [inline] finish_task_switch+0x326/0x5d0 kernel/sched/core.c:3637 context_switch kernel/sched/core.c:3803 [inline] __schedule+0x82c/0x1ea0 kernel/sched/core.c:4548 schedule+0xcb/0x270 kernel/sched/core.c:4626 freezable_schedule include/linux/freezer.h:172 [inline] futex_wait_queue_me+0x2a7/0x580 kernel/futex/core.c:2607 futex_wait+0x1db/0x5f0 kernel/futex/core.c:2709 do_futex+0xf8a/0x1a60 kernel/futex/core.c:3743 __do_sys_futex+0x2bb/0x480 kernel/futex/core.c:3806 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xcc RIP: 0033:0x466533 Code: 24 20 c3 cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 4c 8b 54 24 18 4c 8b 44 24 20 44 8b 4c 24 28 b8 ca 00 00 00 0f 05 <89> 44 24 30 c3 cc cc cc cc cc cc cc cc 8b 7c 24 08 48 8b 74 24 10 RSP: 002b:000000c00003dd98 EFLAGS: 00000286 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 000000c000030a80 RCX: 0000000000466533 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000c000030bc8 RBP: 000000c00003dde0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 00000043d2cb0cf2 R13: 0000000000000001 R14: 00000043d2cb0cf2 R15: ffffffffffffffff ---------------- Code disassembly (best guess): 0: 0b 29 or (%rcx),%ebp 2: d7 xlat %ds:(%rbx) 3: 89 fa mov %edi,%edx 5: 31 f8 xor %edi,%eax 7: c1 ca 07 ror $0x7,%edx a: 29 d0 sub %edx,%eax c: 89 c2 mov %eax,%edx e: 31 c3 xor %eax,%ebx 10: c1 c2 10 rol $0x10,%edx 13: 29 d3 sub %edx,%ebx 15: 89 da mov %ebx,%edx 17: 31 df xor %ebx,%edi 19: c1 c2 04 rol $0x4,%edx 1c: 29 d7 sub %edx,%edi 1e: 31 f8 xor %edi,%eax 20: c1 c7 0e rol $0xe,%edi 23: 29 f8 sub %edi,%eax 25: 31 c3 xor %eax,%ebx 27: c1 c8 08 ror $0x8,%eax * 2a: 29 c3 sub %eax,%ebx <-- trapping instruction 2c: e9 30 ff ff ff jmpq 0xffffff61 31: 8b 05 93 37 a0 05 mov 0x5a03793(%rip),%eax # 0x5a037ca 37: 85 c0 test %eax,%eax 39: 0f 84 ad 01 00 00 je 0x1ec 3f: 48 rex.W