Bluetooth: hci0: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz-executor.5:7276] Modules linked in: irq event stamp: 4621637 hardirqs last enabled at (4621636): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4621637): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4542138): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4542141): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 7276 Comm: syz-executor.5 Not tainted 6.2.0-rc3-next-20230110 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x35f/0x2130 Code: 00 fc ff df 4d 8d 48 04 4c 89 ca 48 c1 ea 03 0f b6 04 02 4c 89 ca 83 e2 07 38 d0 7f 08 84 c0 0f 85 e4 14 00 00 41 0f b6 40 04 0f 0f 85 a2 01 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 78 05 RSP: 0018:ffff88806ce097a0 EFLAGS: 00000246 RAX: 0000000000000015 RBX: 0000000000000002 RCX: ffffffff81398f9a RDX: 0000000000000006 RSI: ffffffff8609a3aa RDI: ffffffff85d878b0 RBP: ffff88806ce09878 R08: ffffffff8609a3aa R09: ffffffff8609a3ae R10: ffffed100d9c1311 R11: 0000000000038001 R12: ffff88806ce09861 R13: ffff88806ce09880 R14: ffff88806ce09820 R15: ffffffff81398f9a FS: 00007f47e91e6700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056113b2012b8 CR3: 000000000dd48000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 kmem_cache_alloc_node+0x215/0x310 __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+0x566/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __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:scsi_normalize_sense+0x7e/0x530 Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 4c 89 e2 83 e2 07 38 d0 7f 08 84 c0 0f 85 87 04 00 00 48 89 da 41 0f b6 2c 24 <48> b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 48 89 da 41 RSP: 0018:ffff8880470b7560 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff8880470b7700 RCX: ffffc900029e4000 RDX: ffff8880470b7700 RSI: ffffffff82d191ff RDI: 0000000000000005 RBP: 00000000000000f0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000012 R11: 0000000000000001 R12: ffff88800b24d280 R13: 0000000000000012 R14: 0000000000000000 R15: 0000000000000006 __scsi_execute+0x437/0x650 scsi_test_unit_ready+0xd7/0x350 sr_check_events+0x450/0xa40 cdrom_check_events+0x68/0x110 sr_block_check_events+0xc3/0x100 disk_check_events+0xc7/0x420 bdev_check_media_change+0x130/0x320 sr_block_open+0x112/0x2b0 blkdev_get_whole+0x9b/0x2d0 blkdev_get_by_dev.part.0+0x5f0/0xb90 blkdev_get_by_dev+0x73/0x90 blkdev_open+0x140/0x2d0 do_dentry_open+0x6ca/0x12b0 path_openat+0x184c/0x2a50 do_filp_open+0x1ba/0x410 do_sys_openat2+0x171/0x4c0 __x64_sys_openat+0x143/0x200 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f47ebc70b19 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:00007f47e91e6188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f47ebd83f60 RCX: 00007f47ebc70b19 RDX: 0000000000105802 RSI: 00000000200001c0 RDI: ffffffffffffff9c RBP: 00007f47ebccaf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0cb62e3f R14: 00007f47e91e6300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc3-next-20230110 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kasan_check_read+0x8/0x20 Code: 02 eb dd 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 0c 24 <89> f6 31 d2 e9 8f f4 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f RSP: 0018:ffff88806cf09a20 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff84446d1b RDX: fffffbfff0b48f51 RSI: 0000000000000004 RDI: ffffffff85a47a80 RBP: ffffffff85a47a80 R08: 0000000000000000 R09: ffffffff85a47a83 R10: fffffbfff0b48f50 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b48f50 R14: 0000000000000001 R15: 1ffff1100d9e1346 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056113b1ed648 CR3: 000000000ea36000 CR4: 0000000000350ee0 Call Trace: queued_spin_lock_slowpath+0xab/0xc90 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+0x566/0xb10 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xcb0 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x913 __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:default_idle+0xf/0x20 Code: e1 fe fd cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 73 38 3e 00 fb f4 90 44 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffff888008df7e58 EFLAGS: 00000206 RAX: ffffffff844448e0 RBX: ffff888008d85040 RCX: ffffffff84425682 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff88806cf34f83 R10: ffffed100d9e69f0 R11: 0000000000000001 R12: ffffed10011b0a08 R13: ffffffff85d0ea90 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x88/0xd0 do_idle+0x3bd/0x530 cpu_startup_entry+0x18/0x20 start_secondary+0x1cc/0x220 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess), 3 bytes skipped: 0: df 4d 8d fisttps -0x73(%rbp) 3: 48 04 4c rex.W add $0x4c,%al 6: 89 ca mov %ecx,%edx 8: 48 c1 ea 03 shr $0x3,%rdx c: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 10: 4c 89 ca mov %r9,%rdx 13: 83 e2 07 and $0x7,%edx 16: 38 d0 cmp %dl,%al 18: 7f 08 jg 0x22 1a: 84 c0 test %al,%al 1c: 0f 85 e4 14 00 00 jne 0x1506 22: 41 0f b6 40 04 movzbl 0x4(%r8),%eax * 27: a8 0f test $0xf,%al <-- trapping instruction 29: 0f 85 a2 01 00 00 jne 0x1d1 2f: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 36: fc ff df 39: 49 8d 78 05 lea 0x5(%r8),%rdi