tmpfs: Bad value for 'mpol' watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.1:107849] Modules linked in: irq event stamp: 6182257 hardirqs last enabled at (6182256): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (6182257): [] sysvec_apic_timer_interrupt+0xf/0x90 softirqs last enabled at (6178474): [] irq_exit_rcu+0x93/0xc0 softirqs last disabled at (6178477): [] irq_exit_rcu+0x93/0xc0 CPU: 0 PID: 107849 Comm: syz-executor.1 Not tainted 6.5.0-rc3-next-20230726 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_trace_consume_entry+0xf/0x170 Code: df e8 d5 9d 46 00 e9 3e fd ff ff 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 48 c1 ea 03 48 83 ec 08 0f b6 04 RSP: 0018:ffff88806ce09698 EFLAGS: 00000286 RAX: dffffc0000000000 RBX: ffffffff813b57a0 RCX: 0000000000000001 RDX: 1ffff1100d9c12e0 RSI: ffffffff811650a5 RDI: ffff88806ce09770 RBP: ffff88806ce09740 R08: 0000000000000001 R09: ffff88806ce096e8 R10: 0000000000038001 R11: 000000000001eabb R12: ffff88806ce09770 R13: 0000000000000000 R14: ffff88803e1d8000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c321000 CR3: 0000000017fe2000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: arch_stack_walk+0x77/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_node+0x199/0x3b0 __alloc_skb+0x28c/0x330 skb_copy+0x13d/0x3f0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb11/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:do_memsw_account+0x2/0x20 Code: 02 b8 01 00 00 00 e9 8d 8e d8 02 66 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 66 90 <31> c0 e9 67 8e d8 02 b8 01 00 00 00 e9 5d 8e d8 02 66 66 2e 0f 1f RSP: 0018:ffff888049bf7488 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff888049bf74e8 RCX: 0000000000000000 RDX: ffff88803e1d8000 RSI: ffffffff81841213 RDI: ffff888008c421e0 RBP: ffff888049bf74f0 R08: 0000000000000007 R09: 0000000000000000 R10: 000000000001c048 R11: 0000000000000001 R12: dffffc0000000000 R13: 1ffff1100937ee97 R14: 0000000000000001 R15: ffffea0001116e80 uncharge_batch+0x2c8/0x530 __mem_cgroup_uncharge_list+0xe9/0x150 release_pages+0x9c1/0x1040 tlb_batch_pages_flush+0xa8/0x1b0 unmap_page_range+0x15b5/0x3080 unmap_single_vma+0x19a/0x2b0 unmap_vmas+0x1b2/0x300 exit_mmap+0x16a/0x9b0 mmput+0xd5/0x390 do_exit+0x99f/0x2740 do_group_exit+0xd4/0x2a0 get_signal+0x2693/0x2720 arch_do_signal_or_restart+0x79/0x590 exit_to_user_mode_prepare+0xeb/0x180 irqentry_exit_to_user_mode+0x9/0x30 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0033:0x7f2734fa469f Code: Unable to access opcode bytes at 0x7f2734fa4675. RSP: 002b:00007f2732573190 EFLAGS: 00000207 RAX: 0000000000000007 RBX: 00007f2735110f60 RCX: 00007f2734ffdb19 RDX: 0000000000101042 RSI: 0000000020000100 RDI: ffffffffffffff9c RBP: 00007f2735057f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec9dcc69f R14: 00007f2732573300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.5.0-rc3-next-20230726 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xb20 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 5c 09 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 5a 21 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e4 00 00 RSP: 0018:ffff88806cf09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff845b6f2b RDX: fffffbfff0b4ddd9 RSI: 0000000000000004 RDI: ffffffff85a6eec0 RBP: ffffffff85a6eec0 R08: 0000000000000000 R09: fffffbfff0b4ddd8 R10: ffffffff85a6eec3 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b4ddd8 R14: 0000000000000001 R15: 1ffff1100d9e1348 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555731ac58 CR3: 000000000cb8e000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6e7/0x1330 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x427/0x730 __iterate_interfaces+0x2d3/0x580 ieee80211_iterate_active_interfaces_atomic+0x73/0x1c0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x59d/0xb60 hrtimer_run_softirq+0x14c/0x310 __do_softirq+0x1b7/0x7d4 irq_exit_rcu+0x93/0xc0 sysvec_apic_timer_interrupt+0x6e/0x90 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:default_idle+0xf/0x20 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 63 69 29 00 fb f4 e9 fb 7a 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff888008e0fe70 EFLAGS: 00000206 RAX: 0000000000c62341 RBX: 0000000000000001 RCX: ffffffff8459066e RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8128e0f5 RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6a00 R10: ffff88806cf35003 R11: 0000000000000001 R12: ffffffff85d4a350 R13: 1ffff110011c1fd3 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x67/0xa0 do_idle+0x305/0x3c0 cpu_startup_entry+0x18/0x20 start_secondary+0x1ba/0x210 secondary_startup_64_no_verify+0x179/0x17b ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e8 d5 9d 46 00 callq 0x469dda 5: e9 3e fd ff ff jmpq 0xfffffd48 a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: f3 0f 1e fa endbr64 1e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 25: fc ff df 28: 55 push %rbp * 29: 53 push %rbx <-- trapping instruction 2a: 48 89 fb mov %rdi,%rbx 2d: 48 83 c7 10 add $0x10,%rdi 31: 48 89 fa mov %rdi,%rdx 34: 48 c1 ea 03 shr $0x3,%rdx 38: 48 83 ec 08 sub $0x8,%rsp 3c: 0f .byte 0xf 3d: b6 04 mov $0x4,%dh