watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [syz-executor.7:15447] Modules linked in: irq event stamp: 2845561 hardirqs last enabled at (2845560): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2845561): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2823926): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2823929): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 15447 Comm: syz-executor.7 Not tainted 6.12.0-next-20241128 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ieee80211_rx_handlers+0x2096/0x9100 Code: ed 74 1d e8 8c 20 f8 fc 48 8d bb 20 1d 00 00 31 c9 ba 32 00 00 00 be 32 00 00 00 e8 04 0f e0 fd e8 6f 20 f8 fc 48 8b 44 24 20 <48> c1 e8 03 42 80 3c 20 00 0f 85 aa 5a 00 00 49 83 7f 28 00 74 3a RSP: 0018:ffff88806cf09898 EFLAGS: 00000246 RAX: ffff88806cf09d98 RBX: ffff88803d8e0e20 RCX: ffffffff8459e2db RDX: ffff888016b79b80 RSI: ffffffff8459e301 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffed1007b1c5b0 R10: 0000000000000000 R11: 00000000000c3a23 R12: dffffc0000000000 R13: ffff88803e8b4830 R14: 0000000000000000 R15: ffff88806cf09d70 FS: 00007f24976c9700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f17907e7018 CR3: 000000003ab08000 CR4: 0000000000350ef0 Call Trace: ieee80211_prepare_and_rx_handle+0x1f7f/0x5d50 ieee80211_rx_for_interface+0x10e/0x200 ieee80211_rx_list+0x1bec/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 cd f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 be cd f1 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:ffff8880096c7b90 EFLAGS: 00000286 RAX: ffff88803ed64378 RBX: ffff88803ed64378 RCX: ffff8880bed64378 RDX: ffffea0000fb5900 RSI: ffff888008c4f780 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88803534c378 R09: 00000000000d0009 R10: ffffea0000d4d300 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880096c7bc8 R14: ffff88803534c378 R15: ffff88803534c378 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_lru_noprof+0x303/0x3c0 __d_alloc+0x31/0x990 d_alloc_pseudo+0x1d/0xc0 alloc_file_pseudo+0xcc/0x200 __anon_inode_getfile+0xe1/0x240 anon_inode_getfd+0x56/0xb0 __x64_sys_fsopen+0x18c/0x240 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f249a153b19 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:00007f24976c9188 EFLAGS: 00000246 ORIG_RAX: 00000000000001ae RAX: ffffffffffffffda RBX: 00007f249a266f60 RCX: 00007f249a153b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f249a1adf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffffb8be57f R14: 00007f24976c9300 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: ed in (%dx),%eax 1: 74 1d je 0x20 3: e8 8c 20 f8 fc callq 0xfcf82094 8: 48 8d bb 20 1d 00 00 lea 0x1d20(%rbx),%rdi f: 31 c9 xor %ecx,%ecx 11: ba 32 00 00 00 mov $0x32,%edx 16: be 32 00 00 00 mov $0x32,%esi 1b: e8 04 0f e0 fd callq 0xfde00f24 20: e8 6f 20 f8 fc callq 0xfcf82094 25: 48 8b 44 24 20 mov 0x20(%rsp),%rax * 2a: 48 c1 e8 03 shr $0x3,%rax <-- trapping instruction 2e: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) 33: 0f 85 aa 5a 00 00 jne 0x5ae3 39: 49 83 7f 28 00 cmpq $0x0,0x28(%r15) 3e: 74 3a je 0x7a