FAT-fs (loop6): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.3:13058] Modules linked in: irq event stamp: 2941407 hardirqs last enabled at (2941406): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2941407): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2911894): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2911903): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 13058 Comm: syz-executor.3 Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0x4/0x170 Code: ff ff ff eb c7 e8 1c 96 44 03 66 2e 0f 1f 84 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 <48> b8 00 00 00 00 00 fc ff df 55 53 48 89 fb 48 83 c7 10 48 89 fa RSP: 0018:ffff88806ce09830 EFLAGS: 00000282 RAX: ffffffff845df3d0 RBX: ffffffff813ef450 RCX: 0000000000000001 RDX: 1ffff1100d9c1312 RSI: ffffffff845df3d0 RDI: ffff88806ce09900 RBP: ffff88806ce098d0 R08: 0000000000000001 R09: ffff88806ce09878 R10: 000000000003c001 R11: 0000000000082191 R12: ffff88806ce09900 R13: 0000000000000000 R14: ffff88803979d280 R15: ffff88803e92adc0 FS: 00007f7ffe139700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6f053f7998 CR3: 000000003e77a000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 __kasan_record_aux_stack+0x8c/0xa0 __call_rcu_common.constprop.0+0x6a/0xaa0 kmem_cache_free+0x2ae/0x470 kfree_skbmem+0x18a/0x1f0 consume_skb+0xdd/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 28 bf f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 06 bf f1 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff888040d57810 EFLAGS: 00000282 RAX: ffff888018fad638 RBX: ffff888018fad638 RCX: ffff888098fad638 RDX: ffffea000063eb40 RSI: ffff888008ff0280 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88800e6ba300 R09: 0000000000400015 R10: ffffea000039ae00 R11: 00000000000007e0 R12: 0000000000000000 R13: ffff888040d57848 R14: ffff88800e6ba300 R15: ffff88800e6ba300 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_cache_noprof+0x149/0x3e0 tty_alloc_file+0x41/0xa0 ptmx_open+0x58/0x360 chrdev_open+0x235/0x690 do_dentry_open+0x71c/0x1420 vfs_open+0x82/0x3f0 path_openat+0x1cf3/0x2980 do_filp_open+0x1b8/0x410 do_sys_openat2+0x164/0x1d0 __x64_sys_openat+0x143/0x200 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8000bc3b19 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:00007f7ffe139188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f8000cd6f60 RCX: 00007f8000bc3b19 RDX: 0000000000000000 RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007f8000c1df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffbb21b92f R14: 00007f7ffe139300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 16 Comm: rcu_preempt Not tainted 6.12.0-rc5-next-20241104 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__lock_acquire+0x7e6/0x4430 Code: 20 66 81 e3 ff 1f 0f b7 db be 08 00 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 20 2f ee 87 e8 c2 fb 5b 00 48 0f a3 1d ca 6c be 06 <0f> 82 00 ff ff ff 48 c7 c0 80 ea 27 88 48 c1 e8 03 42 0f b6 34 28 RSP: 0018:ffff888009617730 EFLAGS: 00000047 RAX: 0000000000000001 RBX: 0000000000000033 RCX: ffffffff812fc24e RDX: fffffbfff0fdc5e5 RSI: 0000000000000008 RDI: ffffffff87ee2f20 RBP: ffff8880095edcc0 R08: 0000000000000000 R09: fffffbfff0fdc5e4 R10: ffffffff87ee2f27 R11: 0000000000000000 R12: 0000000000000005 R13: dffffc0000000000 R14: ffff8880095ed280 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a90dbc57c0 CR3: 000000001aef2000 CR4: 0000000000350ef0 Call Trace: lock_acquire.part.0+0xeb/0x320 _raw_spin_lock_irqsave+0x3a/0x60 hrtimer_try_to_cancel.part.0+0x6e/0x250 hrtimer_try_to_cancel+0x37/0x50 dl_server_stop+0x49/0x90 dequeue_entities+0x12b3/0x1b90 dequeue_task_fair+0x16d/0x450 __schedule+0x4db/0x2fa0 schedule+0xdb/0x340 schedule_timeout+0x11b/0x270 rcu_gp_fqs_loop+0x1c4/0xf10 rcu_gp_kthread+0x4b7/0x6b0 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 loop5: detected capacity change from 0 to 10 loop5: detected capacity change from 0 to 10 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: eb c7 jmp 0xffffffc9 2: e8 1c 96 44 03 callq 0x3449623 7: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1) e: 00 00 00 11: 66 90 xchg %ax,%ax 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: f3 0f 1e fa endbr64 * 27: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 2e: fc ff df 31: 55 push %rbp 32: 53 push %rbx 33: 48 89 fb mov %rdi,%rbx 36: 48 83 c7 10 add $0x10,%rdi 3a: 48 89 fa mov %rdi,%rdx