Bluetooth: hci7: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.2:32157] Modules linked in: irq event stamp: 4779367 hardirqs last enabled at (4779366): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4779367): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4677118): [] irq_exit_rcu+0x11f/0x190 softirqs last disabled at (4677121): [] irq_exit_rcu+0x11f/0x190 CPU: 0 PID: 32157 Comm: syz-executor.2 Not tainted 6.2.0-rc5-next-20230123 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x50d/0x2130 Code: c0 48 85 c0 0f 85 42 fe ff ff 4c 89 ff e8 1b 2f 00 00 84 c0 0f 84 03 fe ff ff 49 c7 c0 00 72 4c 85 e9 26 fe ff ff 4d 8d 79 01 <4c> 89 c9 48 ba 00 00 00 00 00 fc ff df 4c 89 fe 48 c1 e9 03 48 c1 RSP: 0018:ffff88806ce09680 EFLAGS: 00000206 RAX: 0000000000000005 RBX: 0000000000000001 RCX: ffffffff84601449 RDX: 0000000000000000 RSI: ffffffff8647ce4e RDI: ffffffff8601e654 RBP: ffff88806ce09758 R08: ffffffff8647ce84 R09: ffffffff8647ce88 R10: ffff88806ce09ff8 R11: 0000000000038001 R12: ffff88806ce09741 R13: ffff88806ce09760 R14: ffff88806ce09700 R15: ffffffff8647ce89 FS: 00007f219610b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d523000 CR3: 000000003b106000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x13c0 ieee80211_beacon_get_tim+0x99/0x540 mac80211_hwsim_beacon_tx+0x1d3/0xb10 __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+0x274/0x8ff irq_exit_rcu+0x11f/0x190 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__read_once_word_nocheck+0x3/0x10 Code: e9 8b fd ff ff e8 9d 9f 6a 00 e9 43 fd ff ff 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 07 7c 42 32 03 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff888034e9f3b8 EFLAGS: 00000202 RAX: ffffffff81873666 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff888034e9ff01 RSI: ffff888034e9ff10 RDI: ffff888034e9ff10 RBP: ffff888034e9f498 R08: ffffffff8610d920 R09: ffffffff8610d924 R10: ffffed1006f76aaa R11: ffff888034e9f480 R12: ffff888034e9f481 R13: ffff888034e9f4a0 R14: ffff888034e9f440 R15: ffffffff8610d925 unwind_next_frame+0x967/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 set_track_prepare+0x74/0xd0 __create_object+0x3b4/0xc40 __kmem_cache_alloc_node+0x1ed/0x2f0 __kmalloc+0x46/0xc0 ext4_find_extent+0xa41/0xd30 ext4_ext_map_blocks+0x1c7/0x5dd0 ext4_map_blocks+0xb15/0x19e0 ext4_append+0x1af/0x530 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d3/0xb20 vfs_mkdir+0x24b/0x470 do_mkdirat+0x163/0x2d0 __x64_sys_mkdir+0xf6/0x150 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f2198b95b19 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:00007f219610b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f2198ca8f60 RCX: 00007f2198b95b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007f2198beff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd1388874f R14: 00007f219610b300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 program syz-executor.1 is using a deprecated SCSI ioctl, please convert it to SG_IO random: crng reseeded on system resumption SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32212 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32212 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32230 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32248 comm=syz-executor.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32256 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32261 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32264 comm=syz-executor.0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32273 comm=syz-executor.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32276 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=773 sclass=netlink_route_socket pid=32277 comm=syz-executor.3 ---------------- Code disassembly (best guess): 0: c0 48 85 c0 rorb $0xc0,-0x7b(%rax) 4: 0f 85 42 fe ff ff jne 0xfffffe4c a: 4c 89 ff mov %r15,%rdi d: e8 1b 2f 00 00 callq 0x2f2d 12: 84 c0 test %al,%al 14: 0f 84 03 fe ff ff je 0xfffffe1d 1a: 49 c7 c0 00 72 4c 85 mov $0xffffffff854c7200,%r8 21: e9 26 fe ff ff jmpq 0xfffffe4c 26: 4d 8d 79 01 lea 0x1(%r9),%r15 * 2a: 4c 89 c9 mov %r9,%rcx <-- trapping instruction 2d: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 34: fc ff df 37: 4c 89 fe mov %r15,%rsi 3a: 48 c1 e9 03 shr $0x3,%rcx 3e: 48 rex.W 3f: c1 .byte 0xc1