watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.3:10232] Modules linked in: irq event stamp: 2380545 hardirqs last enabled at (2380544): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2380545): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2352506): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2352519): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 10232 Comm: syz-executor.3 Not tainted 6.13.0-rc1-next-20241203 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0xe1/0x1d0 Code: c1 ea 03 80 3c 02 00 0f 85 e5 00 00 00 48 8b 73 28 48 89 da 48 89 ef e8 bd 19 f5 ff 85 c0 74 13 31 c0 48 83 c4 08 5b 5d 41 5c <41> 5d 41 5e e9 b6 56 72 03 48 b8 00 00 00 00 00 fc ff df 48 8d 7b RSP: 0018:ffff88806ce09720 EFLAGS: 00000282 RAX: ffff88806ce0a001 RBX: 0000000000000002 RCX: 0000000000000002 RDX: ffff88806ce09901 RSI: ffff88806ce099c8 RDI: ffff88806ce097b8 RBP: ffff88806ce09800 R08: ffffffff86844050 R09: ffff88806ce097e8 R10: 000000000003c001 R11: 0000000000024e65 R12: ffff88806ce09808 R13: ffff88806ce02000 R14: ffff88806ce099d0 R15: ffff88806ce097a8 FS: 00007fc822289700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33428000 CR3: 0000000013c5c000 CR4: 0000000000350ef0 Call Trace: unwind_next_frame+0xa5c/0x2490 arch_stack_walk+0x87/0xf0 stack_trace_save+0x8f/0xc0 set_track_prepare+0x36/0x70 __alloc_object+0xf4/0x270 __create_object+0x1d/0x80 kmem_cache_alloc_node_noprof+0x311/0x3e0 __alloc_skb+0x2ad/0x370 skb_copy+0x1d5/0x3b0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xafb/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/0xa80 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: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:ffff8880164afcc8 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff11002c95f9c RCX: 1ffff11002c95f81 RDX: 1ffff1100197f4b7 RSI: 0000000000000001 RDI: 0000000070c7bc6f RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff0fde1e4 R10: ffffffff87ef0f27 R11: 00000000000007e0 R12: ffff88806ce41558 R13: 0000000000013018 R14: ffffea00004c0600 R15: ffff88806ce41540 _raw_spin_trylock+0x46/0x60 free_frozen_pages+0x3af/0xe40 __put_partials+0xd8/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_kmalloc+0x6f/0x90 fscontext_alloc_log+0x4a/0x1b0 __x64_sys_fsopen+0x157/0x240 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc824d13b19 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:00007fc822289188 EFLAGS: 00000246 ORIG_RAX: 00000000000001ae RAX: ffffffffffffffda RBX: 00007fc824e26f60 RCX: 00007fc824d13b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fc824d6df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffec774925f R14: 00007fc822289300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.13.0-rc1-next-20241203 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:kasan_check_range+0x66/0x1b0 Code: 5b 5d 41 5c e9 6b 33 fb 02 48 b8 ff ff ff ff ff 7f ff ff 48 39 c7 76 dd 4c 8d 54 37 ff 48 89 fd 48 b8 00 00 00 00 00 fc ff df <4d> 89 d1 48 c1 ed 03 49 c1 e9 03 48 01 c5 49 01 c1 48 89 e8 49 8d RSP: 0018:ffff88806cf099c0 EFLAGS: 00000216 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff8486dfff RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff860dc880 RBP: ffffffff860dc880 R08: 0000000000000000 R09: fffffbfff0c1b910 R10: ffffffff860dc883 R11: 0000000000000001 R12: 1ffff1100d9e133d R13: 0000000000000003 R14: fffffbfff0c1b910 R15: ffff88806cf09a18 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055dafc482728 CR3: 0000000013e8e000 CR4: 0000000000350ef0 Call Trace: queued_spin_lock_slowpath+0xaf/0xb60 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/0xa80 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:default_idle+0x1e/0x30 Code: 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 eb 0c 0f 1f 44 00 00 0f 00 2d e9 c5 3d 00 0f 1f 44 00 00 fb f4 e9 7c 2e 02 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffff8880096cfe68 EFLAGS: 00000202 RAX: 000000000012a615 RBX: 0000000000000001 RCX: ffffffff8484b837 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b16da RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863fac90 R13: 1ffff110012d9fd2 R14: 0000000000000000 R15: 0000000000000000 default_idle_call+0x6d/0xb0 do_idle+0x2fa/0x3b0 cpu_startup_entry+0x4f/0x60 start_secondary+0x1c1/0x220 common_startup_64+0x12c/0x138 ---------------- Code disassembly (best guess): 0: c1 ea 03 shr $0x3,%edx 3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 7: 0f 85 e5 00 00 00 jne 0xf2 d: 48 8b 73 28 mov 0x28(%rbx),%rsi 11: 48 89 da mov %rbx,%rdx 14: 48 89 ef mov %rbp,%rdi 17: e8 bd 19 f5 ff callq 0xfff519d9 1c: 85 c0 test %eax,%eax 1e: 74 13 je 0x33 20: 31 c0 xor %eax,%eax 22: 48 83 c4 08 add $0x8,%rsp 26: 5b pop %rbx 27: 5d pop %rbp 28: 41 5c pop %r12 * 2a: 41 5d pop %r13 <-- trapping instruction 2c: 41 5e pop %r14 2e: e9 b6 56 72 03 jmpq 0x37256e9 33: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3a: fc ff df 3d: 48 rex.W 3e: 8d .byte 0x8d 3f: 7b .byte 0x7b