netlink: 420 bytes leftover after parsing attributes in process `syz-executor.2'. loop4: detected capacity change from 0 to 160255 Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.0:6817] Modules linked in: irq event stamp: 4314569 hardirqs last enabled at (4314568): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4314569): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4252392): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4252395): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 6817 Comm: syz-executor.0 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x1c2/0x2130 Code: 8d 43 ff 39 c6 0f 83 8c 15 00 00 48 b8 00 00 00 00 00 fc ff df 89 f2 48 8d 3c 95 d4 50 49 86 48 89 f9 48 c1 e9 03 0f b6 0c 01 <48> 89 f8 83 e0 07 83 c0 03 38 c8 7c 27 84 c9 74 23 48 89 54 24 28 RSP: 0018:ffff88806ce09820 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 000000000000ab57 RSI: 000000000000ab57 RDI: ffffffff864bfe30 RBP: ffff88806ce098f8 R08: ffffffff860f0e06 R09: ffffffff860f0e0a R10: ffff88806ce09ff8 R11: 0000000000038001 R12: ffff88806ce098e1 R13: ffff88806ce09900 R14: ffff88806ce098a0 R15: ffffffff81ab57a8 FS: 00007f5d4698a700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f827000 CR3: 0000000038126000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 __kasan_record_aux_stack+0x95/0xb0 __call_rcu_common.constprop.0+0x6a/0x9f0 kmem_cache_free+0xc1/0x610 kfree_skbmem+0xef/0x1b0 consume_skb+0xd8/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __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:_raw_spin_unlock_irqrestore+0x32/0x60 Code: 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 f6 a2 e9 fc 48 89 ef e8 0e 1a ea fc 80 e7 02 74 06 e8 04 d4 0d fd fb bf 01 00 00 00 b9 74 df fc 65 8b 05 ca 19 c1 7b 85 c0 74 07 5b 5d e9 3b 29 00 RSP: 0018:ffff8880465df560 EFLAGS: 00000202 RAX: 0000000000201e9b RBX: 0000000000000246 RCX: ffffffff812b740f RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffffffff856d14a0 R08: 0000000000000001 R09: ffffffff8763591f R10: fffffbfff0ec6b23 R11: 0000000000000001 R12: ffff88800b9d0dc0 R13: 0000000000000a20 R14: 0000000000000a20 R15: 0000000000000028 kmem_cache_alloc+0x273/0x410 __es_insert_extent+0x3a9/0x12f0 ext4_es_insert_extent+0x2db/0xc00 ext4_ext_map_blocks+0x1a3b/0x5d40 ext4_map_blocks+0xb15/0x19e0 ext4_append+0x1af/0x530 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d3/0xb20 vfs_mkdir+0x495/0x740 do_mkdirat+0x16e/0x2d0 __x64_sys_mkdir+0xf6/0x150 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f5d49413c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007f5d46989fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d49413c27 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007f5d4698a040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007f5d4698a000 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 6821 Comm: syz-executor.3 Not tainted 6.1.0-next-20221219 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:rcu_read_lock_sched_held+0x13/0x80 Code: 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 54 41 bc 01 00 00 00 e8 1f 36 0d 03 85 c0 <75> 0a 44 89 e0 41 5c e9 d5 6e 0f 03 e8 3c 7a 00 00 84 c0 74 45 e8 RSP: 0018:ffff88806cf09780 EFLAGS: 00000002 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff812c12ac RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff85d09290 RBP: 1ffff1100d9e12f4 R08: 0000000000000000 R09: ffffffff85d09297 R10: fffffbfff0ba1252 R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007fd3ff218700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdc3d580580 CR3: 000000001f198000 CR4: 0000000000350ee0 Call Trace: lock_release+0x54b/0x750 ktime_get+0x91/0x1f0 clockevents_program_event+0x14f/0x360 tick_program_event+0xb0/0x150 hrtimer_interrupt+0x36a/0x770 __sysvec_apic_timer_interrupt+0x148/0x500 sysvec_apic_timer_interrupt+0x3f/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:__raw_spin_lock_init+0x4/0x110 Code: ff ff 48 c7 c7 c8 a3 d0 85 e8 18 d0 50 00 e9 5b ff ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <41> 55 41 89 cd 41 54 49 89 d4 55 48 89 f5 be 40 00 00 00 53 48 89 RSP: 0018:ffff88806cf09a88 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000200 RCX: 0000000000000002 RDX: ffffffff879e31c0 RSI: ffffffff848fe300 RDI: ffff888019d9b130 RBP: ffff888020180000 R08: 00000000ffffffff R09: ffff88801f0dc1a0 R10: ffff88806c584cc8 R11: 0000000000000001 R12: ffff888019d9b178 R13: 0000000000000000 R14: 0000000000000001 R15: ffff888019d9b130 __create_object+0x121/0xc40 __kmem_cache_alloc_node+0x25b/0x400 __kmalloc_node_track_caller+0x43/0xb0 __alloc_skb+0xe9/0x310 __netdev_alloc_skb+0x76/0x3e0 __ieee80211_beacon_get+0x3d9/0x1310 ieee80211_beacon_get_tim+0x99/0x4f0 mac80211_hwsim_beacon_tx+0x1d2/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x54b/0xc70 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __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:__read_once_word_nocheck+0x3/0x10 Code: e9 8b fd ff ff e8 8d 8c 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 cc d3 2f 03 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff8880477c7330 EFLAGS: 00000202 RAX: ffffffff817d2762 RBX: 0000000000000001 RCX: 0000000000000001 RDX: ffff8880477c7401 RSI: ffff8880477c74e8 RDI: ffff8880477c74e8 RBP: ffff8880477c7410 R08: ffffffff86090854 R09: ffffffff86090858 R10: ffffed1008ef8e84 R11: ffff8880477c73f8 R12: ffff8880477c73f9 R13: ffff8880477c7418 R14: ffff8880477c73b8 R15: ffffffff86090859 unwind_next_frame+0x967/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x5c/0x70 kmem_cache_alloc+0x1e1/0x410 __es_insert_extent+0x3a9/0x12f0 ext4_es_insert_extent+0x2db/0xc00 ext4_map_blocks+0xa0d/0x19e0 ext4_getblk+0x604/0x7b0 ext4_bread+0x2e/0x1a0 ext4_append+0x21d/0x530 ext4_init_new_dir+0x262/0x4c0 ext4_mkdir+0x3d3/0xb20 vfs_mkdir+0x495/0x740 do_mkdirat+0x16e/0x2d0 __x64_sys_mkdir+0xf6/0x150 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7fd401ca1c27 Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 53 00 00 00 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:00007fd3ff217fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd401ca1c27 RDX: 0000000000001000 RSI: 00000000000001ff RDI: 0000000020000100 RBP: 00007fd3ff218040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000100 R14: 00007fd3ff218000 R15: 0000000000000000 Bluetooth: hci0: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout ---------------- Code disassembly (best guess): 0: 8d 43 ff lea -0x1(%rbx),%eax 3: 39 c6 cmp %eax,%esi 5: 0f 83 8c 15 00 00 jae 0x1597 b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 12: fc ff df 15: 89 f2 mov %esi,%edx 17: 48 8d 3c 95 d4 50 49 lea -0x79b6af2c(,%rdx,4),%rdi 1e: 86 1f: 48 89 f9 mov %rdi,%rcx 22: 48 c1 e9 03 shr $0x3,%rcx 26: 0f b6 0c 01 movzbl (%rcx,%rax,1),%ecx * 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction 2d: 83 e0 07 and $0x7,%eax 30: 83 c0 03 add $0x3,%eax 33: 38 c8 cmp %cl,%al 35: 7c 27 jl 0x5e 37: 84 c9 test %cl,%cl 39: 74 23 je 0x5e 3b: 48 89 54 24 28 mov %rdx,0x28(%rsp)