watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:14340] Modules linked in: irq event stamp: 3523363 hardirqs last enabled at (3523362): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (3523363): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (3500310): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3500313): [] __irq_exit_rcu+0xc4/0x100 CPU: 1 UID: 0 PID: 14340 Comm: syz-executor.3 Not tainted 6.12.0-rc7-next-20241115 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ieee80211_rx_handlers+0x4669/0x9100 Code: 0f 85 ce dc ff ff e9 1a c5 ff ff e8 b1 46 f8 fc be ff ff ff ff 4c 89 ff e8 34 c5 fe ff 48 89 c5 e8 9c 46 f8 fc 48 8b 44 24 08 <48> c1 e8 03 42 80 3c 20 00 0f 85 4d 3e 00 00 49 8b 47 08 48 89 44 RSP: 0018:ffff88806cf09898 EFLAGS: 00000246 RAX: ffff88806cf09d78 RBX: 0000000000000001 RCX: ffffffff84588303 RDX: ffff888036eed280 RSI: ffffffff8459ba64 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1002b941cf R10: 0000000000000001 R11: 00000000000c3893 R12: dffffc0000000000 R13: ffff888033ceb140 R14: 00000000ffffffff R15: ffff88806cf09d70 FS: 00007f2a154ff700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561c7a72fed8 CR3: 000000002cc50000 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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 46 6d a9 fc 48 89 ef e8 4e e0 a9 fc 80 e7 02 74 06 e8 b4 35 d3 fc fb 65 ff 0d 54 dc 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f RSP: 0018:ffff888040e1faa0 EFLAGS: 00000246 RAX: 0000000000337209 RBX: 0000000000000286 RCX: 1ffffffff0c7ed29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ca6c RBP: ffffffff85d01a00 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff863fa397 R11: 00000000000c3893 R12: ffff88800c4c6100 R13: 0000000000000020 R14: 0000000000000001 R15: 0000000000000286 __create_object+0x59/0x80 __kmalloc_cache_noprof+0x316/0x3e0 kmem_cache_free+0x2cd/0x470 __fput+0x674/0xb40 task_work_run+0x173/0x280 get_signal+0x1cf/0x2320 arch_do_signal_or_restart+0x81/0x780 syscall_exit_to_user_mode+0x123/0x1e0 do_syscall_64+0xcc/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2a17faab19 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:00007f2a154ff188 EFLAGS: 00000246 ORIG_RAX: 0000000000000132 RAX: 0000000000000000 RBX: 00007f2a180be020 RCX: 00007f2a17faab19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f2a18004f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdac98622f R14: 00007f2a154ff300 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: 0f 85 ce dc ff ff jne 0xffffdcd4 6: e9 1a c5 ff ff jmpq 0xffffc525 b: e8 b1 46 f8 fc callq 0xfcf846c1 10: be ff ff ff ff mov $0xffffffff,%esi 15: 4c 89 ff mov %r15,%rdi 18: e8 34 c5 fe ff callq 0xfffec551 1d: 48 89 c5 mov %rax,%rbp 20: e8 9c 46 f8 fc callq 0xfcf846c1 25: 48 8b 44 24 08 mov 0x8(%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 4d 3e 00 00 jne 0x3e86 39: 49 8b 47 08 mov 0x8(%r15),%rax 3d: 48 rex.W 3e: 89 .byte 0x89 3f: 44 rex.R