R13: 0000000020000100 R14: 0000000008100000 R15: 0000000020011200 watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [syz-executor.7:12233] Modules linked in: irq event stamp: 2245255 hardirqs last enabled at (2245254): [] irqentry_exit+0x3b/0x90 hardirqs last disabled at (2245255): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (2225534): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2225537): [] __irq_exit_rcu+0xc4/0x100 CPU: 0 UID: 0 PID: 12233 Comm: syz-executor.7 Not tainted 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xae3/0x2490 Code: 48 89 ee 48 c1 ee 03 80 3c 16 00 0f 85 53 15 00 00 4c 89 ea 49 89 47 58 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 <0f> 85 bb 14 00 00 4c 89 e2 4d 89 77 48 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff88806ce09538 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffffff86bbf6ea RDX: 1ffff1100d9c12be RSI: 1ffff1100d9c12c0 RDI: 1ffff1100d9c12c0 RBP: ffff88806ce09600 R08: ffffffff86bbf6ee R09: ffff88806ce095e8 R10: 000000000003c001 R11: 00000000000b9983 R12: ffff88806ce09608 R13: ffff88806ce095f0 R14: ffff88806ce09ce0 R15: ffff88806ce095a8 FS: 00007f67eec61700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdede70c68 CR3: 000000002bc42000 CR4: 0000000000350ef0 Call Trace: 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 kmem_cache_alloc_node_noprof+0x311/0x3e0 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 __netdev_alloc_skb+0x7a/0x7c0 __ieee80211_beacon_get+0x3f4/0xfc0 ieee80211_beacon_get_tim+0xa6/0x280 mac80211_hwsim_beacon_tx+0x49b/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:_raw_spin_unlock_irqrestore+0x34/0x50 Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 66 4e a9 fc 48 89 ef e8 6e c1 a9 fc 80 e7 02 74 06 e8 e4 1a d3 fc fb 65 ff 0d 54 bc 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:ffff8880393cf990 EFLAGS: 00000246 RAX: 000000000021877f RBX: 0000000000000246 RCX: 1ffffffff0fdfecf RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ea6c RBP: ffff888008c40180 R08: 0000000000000001 R09: fffffbfff0fdddf1 R10: ffffffff87eeef8f R11: 0000000000000000 R12: 0000000000000000 R13: ffffea000026c600 R14: ffff888008c41280 R15: 0000000000000246 __put_partials+0xc4/0x110 qlist_free_all+0x50/0x160 kasan_quarantine_reduce+0x19f/0x240 __kasan_slab_alloc+0x49/0x70 __kmalloc_node_noprof+0x191/0x4a0 alloc_slab_obj_exts+0x35/0x90 new_slab+0xbe/0x210 ___slab_alloc+0x8a8/0x1200 kmem_cache_alloc_lru_noprof+0x230/0x3c0 alloc_inode+0x63/0x240 new_inode+0x1c/0x190 rpc_fill_super+0x1ec/0x8b0 get_tree_keyed+0x10d/0x1c0 vfs_get_tree+0x97/0x380 vfs_cmd_create+0xd7/0x2a0 __do_sys_fsconfig+0xa35/0xb50 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f67f16ebb19 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:00007f67eec61188 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f67f17fef60 RCX: 00007f67f16ebb19 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 RBP: 00007f67f1745f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9dea15af R14: 00007f67eec61300 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 6.12.0-next-20241122 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__kernel_text_address+0xf/0x40 Code: 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 53 48 89 fb e8 23 ff ff ff 85 c0 <75> 1b 48 81 fb 00 b0 d5 86 72 0c 31 c0 48 81 fb 6a ac eb 86 0f 92 RSP: 0018:ffff88806cf09740 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff833a6ca5 RCX: 0000000000000001 RDX: 1ffff1100d9e12f8 RSI: ffff88806cf09de0 RDI: ffffffff833a6ca5 RBP: ffff88806cf097c0 R08: 0000000000000001 R09: ffff88806cf097a8 R10: 000000000003c001 R11: 00000000000ba00e R12: ffff88806cf09830 R13: 0000000000000000 R14: ffff88800961d280 R15: 0000000000082820 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005639e3eb0618 CR3: 0000000013980000 CR4: 0000000000350ef0 Call Trace: unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/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 kmalloc_reserve+0x189/0x2b0 __alloc_skb+0x162/0x370 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/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: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 b0 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: 00000000003b557f RBX: 0000000000000001 RCX: ffffffff8484caf7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812b10ea RBP: dffffc0000000000 R08: 0000000000000001 R09: ffffed100d9e6cba R10: ffff88806cf365d3 R11: 0000000000000000 R12: ffffffff863f9410 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: 48 89 ee mov %rbp,%rsi 3: 48 c1 ee 03 shr $0x3,%rsi 7: 80 3c 16 00 cmpb $0x0,(%rsi,%rdx,1) b: 0f 85 53 15 00 00 jne 0x1564 11: 4c 89 ea mov %r13,%rdx 14: 49 89 47 58 mov %rax,0x58(%r15) 18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 1f: fc ff df 22: 48 c1 ea 03 shr $0x3,%rdx 26: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) * 2a: 0f 85 bb 14 00 00 jne 0x14eb <-- trapping instruction 30: 4c 89 e2 mov %r12,%rdx 33: 4d 89 77 48 mov %r14,0x48(%r15) 37: 48 rex.W 38: b8 00 00 00 00 mov $0x0,%eax 3d: 00 fc add %bh,%ah 3f: ff .byte 0xff