workqueue: Failed to create a rescuer kthread for wq "ext4-rsv-conversion": -EINTR EXT4-fs: failed to create workqueue EXT4-fs (loop7): mount failed watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.2:9470] Modules linked in: irq event stamp: 2430503 hardirqs last enabled at (2430502): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2430503): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2420522): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2420531): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 9470 Comm: syz-executor.2 Not tainted 6.12.0-next-20241120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x1b/0x1b0 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 85 f6 0f 84 5b 01 00 00 48 89 f8 41 54 44 0f b6 c2 48 01 f0 55 53 <72> 14 eb 26 cc cc cc 48 b8 ff ff ff ff ff ff ff fe 48 39 c7 77 23 RSP: 0018:ffff88806cf09118 EFLAGS: 00000282 RAX: ffff88806cf09208 RBX: 0000000000000001 RCX: ffffffff8460b862 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88806cf09200 RBP: ffff88800bfb1da6 R08: 0000000000000000 R09: ffffed100d9e1240 R10: 0000000000000001 R11: 00000000000c397a R12: 000000000000000a R13: ffff88800bfb1da5 R14: 0000000000000001 R15: dffffc0000000000 FS: 00007fc4b7831700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbbb46beff8 CR3: 000000003d7a8000 CR4: 0000000000350ef0 Call Trace: _ieee802_11_parse_elems_full+0x702/0x3ec0 ieee802_11_parse_elems_full+0x979/0x15a0 ieee80211_inform_bss+0xf7/0x10b0 cfg80211_inform_single_bss_data+0x7fe/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_scan_rx+0x474/0xac0 ieee80211_rx_list+0x1e38/0x2840 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 __irq_exit_rcu+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 66 4e a9 fc 48 89 ef e8 6e c1 a9 fc 80 e7 02 74 06 e8 84 1b d3 fc fb 65 ff 0d 54 bc 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff8880415973f8 EFLAGS: 00000246 RAX: 000000000024ef31 RBX: 0000000000000246 RCX: 1ffffffff0fde0d5 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ea6c RBP: ffffffff85d01a00 R08: 0000000000000001 R09: fffffbfff0fdd9ed R10: ffffffff87eecf6f R11: 00000000000c397a R12: 0000000000000000 R13: 0000000000000246 R14: 0000000000000000 R15: ffff88801d038410 delete_object_full+0x46/0x70 kmem_cache_free+0x2ae/0x470 decay_va_pool_node+0x840/0xe90 __purge_vmap_area_lazy+0x135/0xc30 _vm_unmap_aliases+0x533/0x7c0 change_page_attr_set_clr+0x228/0x470 set_memory_rox+0xbc/0x110 alloc_insn_page+0x34/0x50 __get_insn_slot+0x455/0x930 arch_prepare_optimized_kprobe+0x96/0x5f0 alloc_aggr_kprobe+0x146/0x190 register_kprobe+0xa21/0x1600 register_kretprobe+0x355/0x750 __register_trace_kprobe+0x23a/0x2d0 create_local_trace_kprobe+0x217/0x410 perf_kprobe_init+0x119/0x210 perf_kprobe_event_init+0xfc/0x1d0 perf_try_init_event+0x13a/0xc40 perf_event_alloc.part.0+0x10a6/0x3d80 __do_sys_perf_event_open+0x628/0x2b00 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc4ba2bbb19 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:00007fc4b7831188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fc4ba3cef60 RCX: 00007fc4ba2bbb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007fc4ba315f6d R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff23c17f5f R14: 00007fc4b7831300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-next-20241120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0xe1/0x1d0 Code: c1 ea 03 80 3c 02 00 0f 85 e5 00 00 00 48 8b 73 28 48 89 da 48 89 ef e8 6d 1a f5 ff 85 c0 74 13 31 c0 48 83 c4 08 5b 5d 41 5c <41> 5d 41 5e e9 86 69 72 03 48 b8 00 00 00 00 00 fc ff df 48 8d 7b RSP: 0018:ffff88806ce09790 EFLAGS: 00000286 RAX: ffff88806ce0a001 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806ce09c01 RSI: ffff88806ce09c08 RDI: ffff88806ce09828 RBP: ffff88806ce09870 R08: 0000000000000001 R09: ffff88806ce09858 R10: 000000000003c001 R11: 00000000000b992f R12: ffff88806ce09878 R13: ffff88806ce02000 R14: ffff88806ce09c08 R15: ffff88806ce09818 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e71f328618 CR3: 0000000005a86000 CR4: 0000000000350ef0 DR0: ffffffffffff01dd DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: unwind_next_frame+0xc56/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/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+0xc4/0x100 irq_exit_rcu+0x9/0x20 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d e9 b0 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffffff85a07e10 EFLAGS: 00000202 RAX: 00000000001366f1 RBX: 0000000000000000 RCX: ffffffff8484caf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b10ea RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9c6cba R10: ffff88806ce365d3 R11: 0000000000000000 R12: ffffffff863f9410 R13: 1ffffffff0b40fc7 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 rest_init+0x164/0x290 start_kernel+0x40d/0x530 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xcb/0xe0 common_startup_64+0x12c/0x138 EXT4-fs (loop1): unmounting filesystem 00000000-0000-0000-0000-000000000000. ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: 90 nop 3: 90 nop 4: 90 nop 5: 90 nop 6: 90 nop 7: 90 nop 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 66 0f 1f 00 nopw (%rax) 13: 48 85 f6 test %rsi,%rsi 16: 0f 84 5b 01 00 00 je 0x177 1c: 48 89 f8 mov %rdi,%rax 1f: 41 54 push %r12 21: 44 0f b6 c2 movzbl %dl,%r8d 25: 48 01 f0 add %rsi,%rax 28: 55 push %rbp 29: 53 push %rbx * 2a: 72 14 jb 0x40 <-- trapping instruction 2c: eb 26 jmp 0x54 2e: cc int3 2f: cc int3 30: cc int3 31: 48 b8 ff ff ff ff ff movabs $0xfeffffffffffffff,%rax 38: ff ff fe 3b: 48 39 c7 cmp %rax,%rdi 3e: 77 23 ja 0x63