watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.4:6116] Modules linked in: irq event stamp: 1919729 hardirqs last enabled at (1919728): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (1919729): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (1907200): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1907215): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 6116 Comm: syz-executor.4 Not tainted 6.12.0-next-20241126 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_is_held_type+0x57/0x120 Code: 41 54 55 53 65 4c 8b 25 37 a7 7e 7b 48 83 ec 08 41 8b 94 24 3c 0a 00 00 85 d2 0f 85 92 00 00 00 48 89 fd 41 89 f6 9c 8f 04 24 65 ff 05 59 8a 7d 7b 41 8b 84 24 38 0a 00 00 4d 8d ac 24 40 0a RSP: 0018:ffff88806ce09988 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 000000000000000a RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffffffff85c16140 RBP: ffffffff85c16140 R08: 00000000ffffffff R09: ffffed1006bf1270 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88800d57d280 R13: ffff888035f8a5f8 R14: 00000000ffffffff R15: 0000000000000001 FS: 00007fa050f3d700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30e23000 CR3: 000000003981a000 CR4: 0000000000350ef0 Call Trace: mac80211_hwsim_addr_iter+0xf1/0x1e0 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_addr_match+0x128/0x180 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb21/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 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 70 cc f1 03 48 01 ca 48 c1 ea 0c 48 c1 e2 06 48 03 15 4e cc 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:ffff888035f07450 EFLAGS: 00000286 RAX: ffff8880386e4758 RBX: ffff8880386e4758 RCX: ffff8880b86e4758 RDX: ffffea0000e1b900 RSI: ffff8880094043c0 RDI: 0000000000080000 RBP: 0000000000000000 R08: ffff88800df28000 R09: 0000000000120009 R10: ffffea000037ca00 R11: 00000000000007e0 R12: 0000000000000000 R13: ffff888035f07488 R14: ffff88800df28000 R15: ffff88800df28178 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_noprof+0x300/0x3d0 security_inode_alloc+0x3e/0x130 inode_init_always_gfp+0xc94/0xff0 alloc_inode+0x89/0x240 sock_alloc+0x40/0x270 __sock_create+0xc1/0x810 inet_ctl_sock_create+0x8c/0x230 igmp6_net_init+0x35/0x420 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa0539c7b19 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:00007fa050f3d188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fa053adaf60 RCX: 00007fa0539c7b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fa053a21f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd6196bef R14: 00007fa050f3d300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6114 Comm: syz-executor.1 Not tainted 6.12.0-next-20241126 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:srso_safe_ret+0x0/0x20 Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 b8 <48> 8d 64 24 08 c3 cc cc 0f ae e8 e8 f0 ff ff ff 0f 0b 66 66 2e 0f RSP: 0018:ffff88806cf097b0 EFLAGS: 00000006 RAX: 0000000000010102 RBX: 0000000000000000 RCX: ffffffff8140f3a4 RDX: ffff88801ade8000 RSI: ffffffff8140f3ad RDI: 0000000000000005 RBP: 00000000000cb5e6 R08: 0000000000000001 R09: ffff88801ade8a38 R10: 0000000000000000 R11: 0000000000000000 R12: 0000006d1ec9d482 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88806cf2ce40 FS: 00007f7536af3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005581da1b4c20 CR3: 00000000361ca000 CR4: 0000000000350ef0 Call Trace: srso_return_thunk+0x5/0x5f ktime_get+0xbd/0x270 clockevents_program_event+0x14f/0x360 tick_program_event+0xa4/0x140 hrtimer_interrupt+0x3ba/0x830 __sysvec_apic_timer_interrupt+0xc2/0x330 sysvec_apic_timer_interrupt+0x34/0x80 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:queued_spin_lock_slowpath+0x242/0xb60 Code: 02 48 89 e8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 85 08 00 00 b8 01 00 00 00 66 89 45 00 e9 bf fe ff ff 89 44 24 38 f3 90 5b fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 RSP: 0018:ffff88806cf099e0 EFLAGS: 00000202 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff848732bf RDX: fffffbfff0c1b779 RSI: 0000000000000004 RDI: ffffffff860dbbc0 RBP: ffffffff860dbbc0 R08: 0000000000000000 R09: fffffbfff0c1b778 R10: ffffffff860dbbc3 R11: 5050505000000011 R12: 1ffff1100d9e133d R13: 0000000000000003 R14: fffffbfff0c1b778 R15: ffff88806cf09a18 do_raw_spin_lock+0x1de/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6d1/0x1320 mac80211_hwsim_tx_frame+0x1ee/0x2a0 mac80211_hwsim_beacon_tx+0x546/0x950 __iterate_interfaces+0x2e0/0x650 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x1ab/0xa70 hrtimer_run_softirq+0x14c/0x310 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:unwind_next_frame+0x19a/0x2490 Code: 8b 15 ea be 69 04 48 89 ce 48 81 ee 00 00 00 81 48 c1 ee 08 41 8d 42 ff 39 c6 0f 83 bb 16 00 00 48 b8 00 00 00 00 00 fc ff df <89> f2 48 8d 3c 95 68 cd c2 86 49 89 f8 49 c1 e8 03 45 0f b6 04 00 RSP: 0018:ffff888037d0f268 EFLAGS: 00000283 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff81183b93 RDX: dffffc0000000000 RSI: 000000000000183b RDI: ffff888037d0f2d8 RBP: ffff888037d0f330 R08: 0000000000000001 R09: ffff888037d0f318 R10: 000000000003c001 R11: 000000000000a67d R12: ffff888037d0f338 R13: ffff888037d0f320 R14: ffff888037d0f319 R15: ffff888037d0f2d8 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 kasan_save_stack+0x24/0x50 kasan_save_track+0x14/0x30 __kasan_slab_alloc+0x59/0x70 kmem_cache_alloc_noprof+0x13d/0x3d0 __alloc_object+0x2f/0x270 __create_object+0x1d/0x80 __kmalloc_node_track_caller_noprof+0x36a/0x490 kmemdup_noprof+0x2c/0x60 ipv4_sysctl_init_net+0x3e/0x400 ops_init+0x1e1/0x650 setup_net+0x1d7/0x7a0 copy_net_ns+0x2e3/0x6f0 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x2704/0x8e90 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f753957db19 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:00007f7536af3188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f7539690f60 RCX: 00007f753957db19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f75395d7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd63af24bf R14: 00007f7536af3300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 41 54 push %r12 2: 55 push %rbp 3: 53 push %rbx 4: 65 4c 8b 25 37 a7 7e mov %gs:0x7b7ea737(%rip),%r12 # 0x7b7ea743 b: 7b c: 48 83 ec 08 sub $0x8,%rsp 10: 41 8b 94 24 3c 0a 00 mov 0xa3c(%r12),%edx 17: 00 18: 85 d2 test %edx,%edx 1a: 0f 85 92 00 00 00 jne 0xb2 20: 48 89 fd mov %rdi,%rbp 23: 41 89 f6 mov %esi,%r14d 26: 9c pushfq 27: 8f 04 24 popq (%rsp) * 2a: fa cli <-- trapping instruction 2b: 65 ff 05 59 8a 7d 7b incl %gs:0x7b7d8a59(%rip) # 0x7b7d8a8b 32: 41 8b 84 24 38 0a 00 mov 0xa38(%r12),%eax 39: 00 3a: 4d rex.WRB 3b: 8d .byte 0x8d 3c: ac lods %ds:(%rsi),%al 3d: 24 40 and $0x40,%al 3f: 0a .byte 0xa