Bluetooth: hci7: command 0x0406 tx timeout kworker/u4:6: attempt to access beyond end of device loop3: rw=1048577, sector=124, nr_sectors = 4 limit=40 Buffer I/O error on dev loop3, logical block 31, lost async page write watchdog: BUG: soft lockup - CPU#0 stuck for 24s! [syz-executor.5:12479] Modules linked in: irq event stamp: 5839561 hardirqs last enabled at (5839560): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (5839561): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (5676714): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (5676717): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 12479 Comm: syz-executor.5 Not tainted 6.2.0-rc3-next-20230112 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x6f/0xf0 Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 50 48 63 03 48 01 RSP: 0018:ffff88806ce095a8 EFLAGS: 00000213 RAX: 1ffffffff0bb8368 RBX: ffffffff85dc1b44 RCX: ffffffff8175fc1a RDX: 0000000000000000 RSI: ffffffff860f13ba RDI: ffffffff85dc1b34 RBP: ffffffff85dc1b34 R08: ffffffff860f13ba R09: ffffffff860f1184 R10: ffff88806ce09ff8 R11: 0000000000038001 R12: ffffffff85dc1b54 R13: ffffffff85dc1b34 R14: ffffffff85dc1b34 R15: dffffc0000000000 FS: 00007fd2b5141700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd70a4cc718 CR3: 000000001c2d2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: unwind_next_frame+0x2b1/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc+0x172/0x300 __create_object+0x3d/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:clear_page_rep+0xb/0x20 Code: 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 b9 00 02 00 00 31 c0 48 ab e9 11 d9 13 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 RSP: 0018:ffff888045aafb20 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888045f33000 RCX: 00000000000001f8 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888045f33040 RBP: fffffbfff0a5603b R08: 0000000000000001 R09: ffffed1008be0000 R10: fffff9400022f806 R11: 0000000000000001 R12: fffffbfff0a56039 R13: ffffea000117ccc0 R14: ffff88807ffdc500 R15: ffffea0001180000 get_page_from_freelist+0x1cd4/0x2d50 __alloc_pages+0x1cb/0x510 alloc_pages+0x1a0/0x260 __get_free_pages+0x10/0xb0 io_uring_setup.cold+0x13c1/0x1d16 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd2b7bcbb19 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:00007fd2b5141108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007fd2b7cdef60 RCX: 00007fd2b7bcbb19 RDX: 0000000020ff9000 RSI: 0000000020000180 RDI: 000000000000293f RBP: 0000000020000180 R08: 0000000020000300 R09: 0000000020000300 R10: 0000000020000200 R11: 0000000000000202 R12: 0000000020000300 R13: 0000000020ff9000 R14: 0000000020000200 R15: 0000000020ffb000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 12482 Comm: syz-executor.0 Not tainted 6.2.0-rc3-next-20230112 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:match_held_lock+0x7b/0xd0 Code: ff 1f 00 00 48 39 d0 0f 94 c0 48 83 c4 08 0f b6 c0 5b e9 6c 40 02 00 31 f6 e8 51 fe ff ff 48 85 c0 75 ae 31 c0 48 83 c4 08 5b 54 40 02 00 48 83 c4 08 b8 01 00 00 00 5b e9 45 40 02 00 e8 dc RSP: 0018:ffff88806cf09730 EFLAGS: 00000086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffffff8560abe0 RDI: ffff88803579da18 RBP: ffffffff8560abe0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88803579d040 R13: ffff88803579d9a0 R14: 00000000ffffffff R15: ffff88803579da18 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd75cbe000 CR3: 000000000fec2000 CR4: 0000000000350ee0 Call Trace: lock_is_held_type+0xab/0x130 rcu_read_lock_sched_held+0x42/0x80 trace_hrtimer_start+0x1b4/0x250 __hrtimer_run_queues+0x937/0xcb0 hrtimer_interrupt+0x319/0x770 __sysvec_apic_timer_interrupt+0x148/0x510 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:kasan_check_range+0x15e/0x1d0 Code: d0 49 39 c2 0f 85 f3 fe ff ff 4c 89 c8 49 0f be 12 83 e0 07 48 39 d0 0f 8d e0 fe ff ff 41 bb 01 00 00 00 5b 5d 44 89 d8 41 5c 71 25 c7 02 48 85 d2 74 e9 48 01 ea eb 09 48 83 c0 01 48 39 d0 RSP: 0018:ffff88806cf09a20 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff844475bb RDX: fffffbfff0b49105 RSI: 0000000000000004 RDI: ffffffff85a48820 RBP: ffffffff85a48820 R08: 0000000000000000 R09: ffffffff85a48823 R10: fffffbfff0b49104 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b49104 R14: 0000000000000001 R15: 1ffff1100d9e1346 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:do_raw_spin_unlock+0x24/0x220 Code: 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 41 54 55 53 48 89 fb 48 83 c7 04 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 b9 01 00 00 81 RSP: 0018:ffff888045b376c8 EFLAGS: 00000217 RAX: dffffc0000000000 RBX: ffff88801c227480 RCX: ffff888045b37670 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88801c227484 RBP: ffff88801c227480 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880160e1760 R13: 0000000000000000 R14: ffffffff85d113d0 R15: dffffc0000000000 _raw_spin_unlock+0x1e/0x50 unmap_page_range+0x112a/0x2ef0 unmap_single_vma+0x190/0x2a0 unmap_vmas+0x225/0x370 exit_mmap+0x158/0x6a0 mmput+0xd5/0x390 do_exit+0x99b/0x2780 do_group_exit+0xd4/0x2a0 get_signal+0x2255/0x2390 arch_do_signal_or_restart+0x79/0x5a0 exit_to_user_mode_prepare+0xf5/0x190 syscall_exit_to_user_mode+0x1d/0x50 do_syscall_64+0x4c/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f70d8850b19 Code: Unable to access opcode bytes at 0x7f70d8850aef. RSP: 002b:00007f70d5dc6218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f70d8963f68 RCX: 00007f70d8850b19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f70d8963f68 RBP: 00007f70d8963f60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f70d8963f6c R13: 00007ffd31d1eebf R14: 00007f70d5dc6300 R15: 0000000000022000 Bluetooth: hci6: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 72 4d jb 0x4f 2: 4c 89 e0 mov %r12,%rax 5: 48 29 e8 sub %rbp,%rax 8: 48 89 c2 mov %rax,%rdx b: 48 c1 e8 3f shr $0x3f,%rax f: 48 c1 fa 02 sar $0x2,%rdx 13: 48 01 d0 add %rdx,%rax 16: 48 d1 f8 sar %rax 19: 48 8d 5c 85 00 lea 0x0(%rbp,%rax,4),%rbx 1e: 48 89 d8 mov %rbx,%rax 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 0f b6 14 38 movzbl (%rax,%r15,1),%edx * 2a: 48 89 d8 mov %rbx,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 d0 cmp %dl,%al 35: 7c 04 jl 0x3b 37: 84 d2 test %dl,%dl 39: 75 50 jne 0x8b 3b: 48 63 03 movslq (%rbx),%rax 3e: 48 rex.W 3f: 01 .byte 0x1