watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:9591] Modules linked in: irq event stamp: 2524025 hardirqs last enabled at (2524024): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2524025): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2519148): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2519157): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 9591 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:ieee80211_handle_queued_frames+0x10c/0x130 Code: fd 4c 89 e6 4c 89 ef 41 80 a4 24 80 00 00 00 f8 e8 49 81 00 00 e9 32 ff ff ff e8 cf 5c 05 fd 4c 89 f7 e8 47 ea 41 ff 49 89 c4 <48> 85 c0 0f 85 32 ff ff ff 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ac 5c RSP: 0018:ffff88806ce09ee8 EFLAGS: 00000206 RAX: 0000000000000000 RBX: ffff888032549610 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ea6c RBP: dffffc0000000000 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: ffffffff81520e27 R12: 0000000000000000 R13: ffff888032548e20 R14: ffff888032549668 R15: 0000000000000001 FS: 00007f275d953700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f275d932718 CR3: 000000003b8f6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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:put_cpu_partial+0x10a/0x1b0 Code: 24 28 75 5b 49 c7 44 24 28 00 00 00 00 4c 89 e7 48 8d 35 00 00 00 00 e8 44 92 ab ff 4d 85 ed 74 06 e8 6a 5f d5 ff fb 4d 85 f6 <74> 1c 5b 4c 89 f6 48 89 ef 5d 41 5c 41 5d 41 5e e9 c1 fa ff ff 44 RSP: 0018:ffff8880408dfc00 EFLAGS: 00000246 RAX: 0000000000267073 RBX: ffffea0000558700 RCX: 1ffffffff0fdfacf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8184a686 RBP: ffff8880096a1500 R08: 0000000000000001 R09: fffffbfff0fdd9f1 R10: ffffffff87eecf8f R11: 00000000000007e0 R12: ffff88806ce434f0 R13: 0000000000000200 R14: 0000000000000000 R15: ffff88801561c300 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_lru_noprof+0x14c/0x3c0 __d_alloc+0x31/0x990 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xcc/0x200 __shmem_file_setup+0x214/0x310 __do_sys_memfd_create+0x4d7/0x980 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f27603ddb19 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:00007f275d952f48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f27603ddb19 RDX: 0000000000005080 RSI: 0000000000000000 RDI: 00007f27604370fb RBP: 0000000000000002 R08: 0000000000002840 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000100 R14: 0000000008100000 R15: 0000000020000140 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 578 Comm: kworker/u10:8 Not tainted 6.12.0-next-20241120 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:unwind_get_return_address+0x5b/0xa0 Code: eb 6a 72 03 48 b8 00 00 00 00 00 fc ff df 48 8d 6b 58 48 89 ea 48 c1 ea 03 80 3c 02 00 75 36 48 8b 7b 58 e8 07 7f 0d 00 85 c0 <74> cf 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 RSP: 0018:ffff888013a770a0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffff888013a770b8 RCX: 0000000000000001 RDX: 1ffff1100274ee22 RSI: ffff888013a77338 RDI: ffffffff843602a1 RBP: ffff888013a77110 R08: 0000000000000001 R09: ffff888013a770f8 R10: 000000000003c001 R11: 0000000000022667 R12: ffff888013a77180 R13: 0000000000000000 R14: ffff888015a78000 R15: ffffffff843602a1 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055b2e24fd7a8 CR3: 000000000c1d2000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x9d/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c50 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x690 ieee80211_bss_info_update+0x2f6/0xa90 ieee80211_ibss_rx_queued_mgmt+0x18ba/0x2f90 ieee80211_iface_work+0xb5f/0xe40 cfg80211_wiphy_work+0x38d/0x610 process_one_work+0x8ee/0x1a00 worker_thread+0x674/0xe70 kthread+0x2c2/0x3a0 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 ---------------- Code disassembly (best guess): 0: fd std 1: 4c 89 e6 mov %r12,%rsi 4: 4c 89 ef mov %r13,%rdi 7: 41 80 a4 24 80 00 00 andb $0xf8,0x80(%r12) e: 00 f8 10: e8 49 81 00 00 callq 0x815e 15: e9 32 ff ff ff jmpq 0xffffff4c 1a: e8 cf 5c 05 fd callq 0xfd055cee 1f: 4c 89 f7 mov %r14,%rdi 22: e8 47 ea 41 ff callq 0xff41ea6e 27: 49 89 c4 mov %rax,%r12 * 2a: 48 85 c0 test %rax,%rax <-- trapping instruction 2d: 0f 85 32 ff ff ff jne 0xffffff65 33: 5b pop %rbx 34: 5d pop %rbp 35: 41 5c pop %r12 37: 41 5d pop %r13 39: 41 5e pop %r14 3b: 41 5f pop %r15 3d: e9 .byte 0xe9 3e: ac lods %ds:(%rsi),%al 3f: 5c pop %rsp