mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.7:13103] Modules linked in: irq event stamp: 2695189 hardirqs last enabled at (2695188): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2695189): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2646616): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2646619): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 13103 Comm: syz-executor.7 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_poison+0x28/0x50 Code: 90 90 f3 0f 1e fa 48 89 f0 89 d6 40 f6 c7 07 75 2d a8 07 75 32 48 8d 14 07 48 89 f9 40 0f b6 f6 48 b8 00 00 00 00 00 fc ff df <48> c1 e9 03 48 c1 ea 03 48 8d 3c 01 48 29 ca e9 f4 57 fc 02 90 0f RSP: 0018:ffff88806ce09418 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffff8880301deb90 RCX: ffff8880301deb90 RDX: ffff8880301dec78 RSI: 0000000000000000 RDI: ffff8880301deb90 RBP: 00000000000000e8 R08: ffff8880301deb90 R09: 0000000000000000 R10: 0000000000000000 R11: 00000000ffffffff R12: ffff8880301deb90 R13: 0000000000092820 R14: 00000000000000e8 R15: 0000000000092820 FS: 00007efc36ebd700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f868b9e4600 CR3: 000000002f5a8000 CR4: 0000000000350ef0 Call Trace: kasan_unpoison+0x27/0x60 __kasan_slab_alloc+0x30/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_noprof+0x37e/0x4b0 cfg80211_inform_single_bss_data+0x4f1/0x1c70 cfg80211_inform_bss_data+0x20f/0x3510 cfg80211_inform_bss_frame_data+0x250/0x6a0 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:qlist_free_all+0x96/0x160 Code: 0f 82 e0 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 e0 6d d2 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 be 6d d2 03 48 8b 72 08 <48> 89 d1 40 f6 c6 01 0f 85 a1 00 00 00 66 90 80 79 33 f5 ba 00 00 RSP: 0018:ffff88803afc7930 EFLAGS: 00000286 RAX: ffff888012b44250 RBX: ffff888012b44250 RCX: ffff888092b44250 RDX: ffffea00004ad100 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88800a3a56f0 R09: 00000000000d000b R10: ffffea000028e900 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88803afc7968 R14: ffff88800a3a56f0 R15: ffff88800a3a56f0 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 vm_area_dup+0x20/0x160 dup_mm+0x9ee/0x1ee0 copy_process+0x704e/0x70e0 kernel_clone+0xeb/0x850 __do_sys_fork+0x80/0xc0 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efc39947b19 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:00007efc36ebd188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007efc39a5af60 RCX: 00007efc39947b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007efc399a1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd66bb505f R14: 00007efc36ebd300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.13.0-rc3-next-20241220 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:trace_hardirqs_on+0x3a/0x40 Code: bc 26 d6 ff 48 8b 3c 24 e9 53 57 2e 03 48 8b 3c 24 e8 ba fe ff ff 65 c7 05 73 96 89 7e 00 00 00 00 e8 9a 26 d6 ff 48 8b 3c 24 31 57 2e 03 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffff888009737d68 EFLAGS: 00000046 RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 1ffffffff0c7f249 RDX: 1ffff110012e2bad RSI: 0000000000000002 RDI: ffffffff813aa975 RBP: ffff88806cf287a0 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff863fcc97 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88803c3995f0 R14: 0000000000000006 R15: ffff88803c3995e8 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e7d1405d6c CR3: 0000000015552000 CR4: 0000000000350ef0 Call Trace: tasklet_action_common+0xf5/0x3b0 handle_softirqs+0x1b1/0x770 run_ksoftirqd+0x2e/0x60 smpboot_thread_fn+0x3eb/0x930 kthread+0x3ab/0x720 ret_from_fork+0x48/0x80 ret_from_fork_asm+0x1a/0x30 ---------------- Code disassembly (best guess): 0: 90 nop 1: 90 nop 2: f3 0f 1e fa endbr64 6: 48 89 f0 mov %rsi,%rax 9: 89 d6 mov %edx,%esi b: 40 f6 c7 07 test $0x7,%dil f: 75 2d jne 0x3e 11: a8 07 test $0x7,%al 13: 75 32 jne 0x47 15: 48 8d 14 07 lea (%rdi,%rax,1),%rdx 19: 48 89 f9 mov %rdi,%rcx 1c: 40 0f b6 f6 movzbl %sil,%esi 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 c1 e9 03 shr $0x3,%rcx <-- trapping instruction 2e: 48 c1 ea 03 shr $0x3,%rdx 32: 48 8d 3c 01 lea (%rcx,%rax,1),%rdi 36: 48 29 ca sub %rcx,%rdx 39: e9 f4 57 fc 02 jmpq 0x2fc5832 3e: 90 nop 3f: 0f .byte 0xf