Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:4300] Modules linked in: irq event stamp: 200922 hardirqs last enabled at (200921): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (200922): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (200872): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (200867): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 4300 Comm: syz-executor.1 Not tainted 6.4.0-rc6-next-20230613 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__ip6_append_data.isra.0+0xb5f/0x4560 Code: 0f b6 00 38 44 24 5c 7c 08 84 c0 0f 85 a5 2f 00 00 48 8b 6c 24 10 8b 74 24 08 44 8b 65 14 44 89 e7 e8 35 c9 88 fd 8b 5c 24 18 <44> 3b 64 24 08 77 41 e8 45 ce 88 fd 48 89 e8 48 c1 e8 03 42 0f b6 RSP: 0018:ffff888043a5f328 EFLAGS: 00000297 RAX: 0000000000000002 RBX: 000000000000fff8 RCX: ffffffff83c33b0b RDX: ffff888045030000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: ffff888010326370 R08: 0000000000000004 R09: 0000000000000001 R10: 0000000000010000 R11: 0000000000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: ffff88800e2fdb40 R15: 0000000000000001 FS: 00007ff3bac82700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff3bac82718 CR3: 00000000181be000 CR4: 0000000000350ef0 Call Trace: ip6_append_data+0x1d4/0x530 rawv6_sendmsg+0x156e/0x3dc0 inet_sendmsg+0x121/0x150 sock_sendmsg+0x19b/0x200 splice_to_socket+0x949/0xe10 direct_splice_actor+0x119/0x180 splice_direct_to_actor+0x349/0x9d0 do_splice_direct+0x1bb/0x290 do_sendfile+0xb4b/0x12f0 __x64_sys_sendfile64+0x1d5/0x210 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7ff3bd72db19 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:00007ff3bac82188 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007ff3bd841020 RCX: 00007ff3bd72db19 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007 RBP: 00007ff3bd787f6d R08: 0000000000000000 R09: 0000000000000000 R10: 000000000001a000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffdd6a7c2f R14: 00007ff3bac82300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 Bluetooth: hci5: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 0f b6 00 movzbl (%rax),%eax 3: 38 44 24 5c cmp %al,0x5c(%rsp) 7: 7c 08 jl 0x11 9: 84 c0 test %al,%al b: 0f 85 a5 2f 00 00 jne 0x2fb6 11: 48 8b 6c 24 10 mov 0x10(%rsp),%rbp 16: 8b 74 24 08 mov 0x8(%rsp),%esi 1a: 44 8b 65 14 mov 0x14(%rbp),%r12d 1e: 44 89 e7 mov %r12d,%edi 21: e8 35 c9 88 fd callq 0xfd88c95b 26: 8b 5c 24 18 mov 0x18(%rsp),%ebx * 2a: 44 3b 64 24 08 cmp 0x8(%rsp),%r12d <-- trapping instruction 2f: 77 41 ja 0x72 31: e8 45 ce 88 fd callq 0xfd88ce7b 36: 48 89 e8 mov %rbp,%rax 39: 48 c1 e8 03 shr $0x3,%rax 3d: 42 rex.X 3e: 0f .byte 0xf 3f: b6 .byte 0xb6