watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.1:11102] Modules linked in: irq event stamp: 3883235 hardirqs last enabled at (3883234): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3883235): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3862380): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3862383): [] irq_exit_rcu+0x94/0xc0 CPU: 0 UID: 0 PID: 11102 Comm: syz-executor.1 Not tainted 6.12.0-rc3-next-20241016 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:fs_reclaim_release+0x4/0x100 Code: c2 22 09 00 48 8b 14 24 e9 eb fd ff ff 66 0f 1f 84 00 00 00 00 00 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 65 48 8b 2d 99 91 81 7e 53 89 fb RSP: 0018:ffff88806ce09508 EFLAGS: 00000246 RAX: 0000000000400140 RBX: 0000000000000920 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000920 RDI: 0000000000000920 RBP: ffff88806ce09570 R08: 0000000000000000 R09: ffffed100d9c12da R10: 0000000000000000 R11: ffffffff81518787 R12: ffff888008c41280 R13: 0000000000000920 R14: 0000000000000048 R15: ffffffff8433b711 FS: 00007f732f73b700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fe25000 CR3: 000000003aafe000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __kmalloc_noprof+0xa2/0x4b0 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_scan_rx+0x474/0xac0 ieee80211_rx_list+0x21ec/0x2cf0 ieee80211_rx_napi+0xdc/0x3b0 ieee80211_handle_queued_frames+0xd9/0x130 tasklet_action_common+0x235/0x3b0 handle_softirqs+0x1b1/0x770 irq_exit_rcu+0x94/0xc0 sysvec_apic_timer_interrupt+0x70/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:free_unref_page+0x2e8/0xc40 Code: 07 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 1f 48 89 dd 48 c1 ed 3a 48 8d 3c ed 60 dd 61 88 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 76 07 00 00 48 c1 eb 38 48 8b 0c ed 60 dd 61 88 83 e3 03 48 RSP: 0018:ffff88802e2e7b28 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0100000000000000 RCX: 0000000000000008 RDX: 1ffffffff10c3bac RSI: 1ffff1100fffae96 RDI: ffffffff8861dd60 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffed1007895c00 R11: 0000000000000000 R12: 0000000000000000 R13: 000000000003c4ae R14: 0000000000000000 R15: ffffea0000f12b80 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19c/0x230 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_noprof+0x300/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc27/0xf60 alloc_inode+0x89/0x240 sock_alloc+0x40/0x270 __sock_create+0xc1/0x840 __sys_socket+0x147/0x260 __x64_sys_socket+0x73/0xb0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f73321c5b19 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:00007f732f73b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f73322d8f60 RCX: 00007f73321c5b19 RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 00007f733221ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff0535d09f R14: 00007f732f73b300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: c2 22 09 retq $0x922 3: 00 48 8b add %cl,-0x75(%rax) 6: 14 24 adc $0x24,%al 8: e9 eb fd ff ff jmpq 0xfffffdf8 d: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 14: 00 00 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: 90 nop 24: 90 nop 25: 90 nop 26: f3 0f 1e fa endbr64 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 55 push %rbp 35: 65 48 8b 2d 99 91 81 mov %gs:0x7e819199(%rip),%rbp # 0x7e8191d6 3c: 7e 3d: 53 push %rbx 3e: 89 fb mov %edi,%ebx