watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.6:4781] Modules linked in: irq event stamp: 4815665 hardirqs last enabled at (4815664): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4815665): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4807904): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4807907): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 4781 Comm: syz-executor.6 Not tainted 6.1.0-rc5-next-20221118 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:lock_is_held_type+0xfc/0x130 Code: 20 fe 86 84 e8 b5 0e 00 00 b8 ff ff ff ff 65 0f c1 05 f8 19 c4 7b 83 f8 01 75 26 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 36 42 02 00 45 31 ed eb RSP: 0018:ffff88806cf09748 EFLAGS: 00000286 RAX: 0000000000000001 RBX: 0000000000000004 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000101 RDI: 0000000000000000 RBP: ffffffff856083a0 R08: 0000000000000000 R09: ffffffff85d10257 R10: fffffbfff0ba204a R11: 0000000000000001 R12: ffff888040518000 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff8880405189d8 FS: 00007f73155c3700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f73155a2718 CR3: 000000004047a000 CR4: 0000000000350ee0 Call Trace: rcu_read_lock_sched_held+0x42/0x80 lock_release+0x54b/0x750 __is_insn_slot_addr+0x148/0x250 kernel_text_address+0x5b/0xc0 __kernel_text_address+0xd/0x40 unwind_get_return_address+0x59/0xa0 arch_stack_walk+0x9d/0xf0 stack_trace_save+0x90/0xd0 kasan_save_stack+0x22/0x50 kasan_set_track+0x25/0x30 kasan_save_free_info+0x2e/0x50 __kasan_slab_free+0x10a/0x190 kmem_cache_free+0xfb/0x610 kfree_skbmem+0xef/0x1b0 consume_skb+0xd8/0x170 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x566/0xab0 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x74/0x180 mac80211_hwsim_beacon+0x105/0x200 __hrtimer_run_queues+0x541/0xb50 hrtimer_run_softirq+0x176/0x350 __do_softirq+0x1c7/0x8f9 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x9/0x30 sysvec_apic_timer_interrupt+0x92/0xc0 asm_sysvec_apic_timer_interrupt+0x1a/0x20 RIP: 0010:___cache_free+0x27/0xf0 Code: 90 90 90 66 0f 1f 00 b8 00 00 00 80 53 49 89 d1 48 89 f3 48 01 f0 0f 82 c2 00 00 00 48 c7 c2 00 00 00 80 48 2b 15 e9 44 ad 03 <48> 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 c7 44 ad 03 48 8b 50 08 RSP: 0018:ffff88804354f668 EFLAGS: 00000206 RAX: ffff88808ef1cbe0 RBX: ffff88800ef1cbe0 RCX: ffff88800ef1cbe0 RDX: 0000777f80000000 RSI: ffff88800ef1cbe0 RDI: ffff88800844f780 RBP: 0000000000000000 R08: ffff88800ef1cbe0 R09: ffffffff817ce4ef R10: ffffea00003f4900 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88804354f6b8 R14: ffff88800844f780 R15: ffff88800ef1cbe0 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x4c/0x70 kmem_cache_alloc+0x1e0/0x410 __create_object+0x3d/0xc00 kmemleak_alloc_percpu+0xa5/0x140 pcpu_alloc+0x7f4/0x10a0 ipv4_mib_init_net+0x29/0x5d0 ops_init+0xbb/0x680 setup_net+0x40c/0x9d0 copy_net_ns+0x31c/0x760 create_new_namespaces+0x3f6/0xb30 copy_namespaces+0x3b7/0x4a0 copy_process+0x29e3/0x7220 kernel_clone+0xeb/0x950 __do_sys_clone3+0x1d9/0x370 do_syscall_64+0x3f/0x90 entry_SYSCALL_64_after_hwframe+0x72/0xdc RIP: 0033:0x7f731804db19 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:00007f73155c3188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f7318160f60 RCX: 00007f731804db19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f73180a7f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff12c32f5f R14: 00007f73155c3300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess): 0: 20 fe and %bh,%dh 2: 86 84 e8 b5 0e 00 00 xchg %al,0xeb5(%rax,%rbp,8) 9: b8 ff ff ff ff mov $0xffffffff,%eax e: 65 0f c1 05 f8 19 c4 xadd %eax,%gs:0x7bc419f8(%rip) # 0x7bc41a0e 15: 7b 16: 83 f8 01 cmp $0x1,%eax 19: 75 26 jne 0x41 1b: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 22: 00 23: 74 01 je 0x26 25: fb sti 26: 48 83 c4 08 add $0x8,%rsp * 2a: 44 89 e8 mov %r13d,%eax <-- trapping instruction 2d: 5b pop %rbx 2e: 5d pop %rbp 2f: 41 5c pop %r12 31: 41 5d pop %r13 33: 41 5e pop %r14 35: 41 5f pop %r15 37: e9 36 42 02 00 jmpq 0x24272 3c: 45 31 ed xor %r13d,%r13d 3f: eb .byte 0xeb