watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.5:20268] Modules linked in: irq event stamp: 2560325 hardirqs last enabled at (2560324): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2560325): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2549644): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2549667): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 20268 Comm: syz-executor.5 Not tainted 6.13.0-rc1-next-20241204 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_acquire.part.0+0x10e/0x320 Code: b6 c9 e8 35 a7 ff ff b8 ff ff ff ff 48 83 c4 28 65 0f c1 05 fc 5c d2 7e 83 f8 01 0f 85 aa 01 00 00 48 85 ed 0f 85 9b 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 RSP: 0018:ffff88806cf09b38 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff1100d9e136a RCX: 1ffff1100d9e134f RDX: 1ffff11006ea6827 RSI: 0000000000000001 RDI: ffffffff878ff4d8 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff0fde1f9 R10: ffffffff87ef0fcf R11: 0000000000000001 R12: ffff88803c1c8168 R13: ffff88803c1cb318 R14: ffff88802a5287f0 R15: 0000000000000000 FS: 00007fb634704700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e24000 CR3: 0000000038ae2000 CR4: 0000000000350ef0 Call Trace: _raw_spin_lock_bh+0x33/0x40 cfg80211_put_bss+0x40/0x280 ieee80211_scan_rx+0x4ae/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: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 d4 b5 ab ff 4d 85 ed 74 06 e8 3a 76 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:ffff88803ecffc70 EFLAGS: 00000286 RAX: 000000000026e7a1 RBX: ffffea0000a0bb40 RCX: 1ffffffff0fe02c7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff81846dc6 RBP: ffff888008c4f780 R08: 0000000000000001 R09: fffffbfff0fde1e9 R10: ffffffff87ef0f4f R11: 0000000000000000 R12: ffff88806cf40390 R13: 0000000000000200 R14: ffffea0000ec0bc0 R15: ffff8880282ed000 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_cache_noprof+0x149/0x3e0 percpu_ref_init+0xe1/0x400 ioctx_alloc+0x282/0x1df0 __x64_sys_io_setup+0xc8/0x1f0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb63718eb19 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:00007fb634704188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce RAX: ffffffffffffffda RBX: 00007fb6372a1f60 RCX: 00007fb63718eb19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 00000000000003ff RBP: 00007fb6371e8f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff083a144f R14: 00007fb634704300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0x1e/0x30 ---------------- Code disassembly (best guess): 0: b6 c9 mov $0xc9,%dh 2: e8 35 a7 ff ff callq 0xffffa73c 7: b8 ff ff ff ff mov $0xffffffff,%eax c: 48 83 c4 28 add $0x28,%rsp 10: 65 0f c1 05 fc 5c d2 xadd %eax,%gs:0x7ed25cfc(%rip) # 0x7ed25d14 17: 7e 18: 83 f8 01 cmp $0x1,%eax 1b: 0f 85 aa 01 00 00 jne 0x1cb 21: 48 85 ed test %rbp,%rbp 24: 0f 85 9b 01 00 00 jne 0x1c5 * 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 31: fc ff df 34: 48 01 c3 add %rax,%rbx 37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 3e: 48 rex.W 3f: c7 .byte 0xc7