loop4: detected capacity change from 0 to 40 watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:5068] Modules linked in: irq event stamp: 4308155 hardirqs last enabled at (4308154): [] asm_sysvec_apic_timer_interrupt+0x1b/0x20 hardirqs last disabled at (4308155): [] sysvec_apic_timer_interrupt+0xb/0xc0 softirqs last enabled at (4296352): [] __irq_exit_rcu+0x113/0x170 softirqs last disabled at (4296355): [] __irq_exit_rcu+0x113/0x170 CPU: 0 PID: 5068 Comm: syz-executor.2 Not tainted 5.19.0-rc5-next-20220706 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:unwind_next_frame+0x1fc/0x20a0 Code: 48 89 54 24 28 48 89 74 24 20 44 89 5c 24 18 e8 ba 4f 66 00 48 8b 54 24 28 48 8b 74 24 20 44 8b 5c 24 18 8b 0c 95 cc d2 03 86 <8d> 56 01 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 95 cc d2 03 86 49 RSP: 0018:ffff88806ce097b0 EFLAGS: 00000246 RAX: 0000000000000007 RBX: 0000000000000002 RCX: 00000000000746e2 RDX: 000000000001ed3e RSI: 000000000001ed3e RDI: ffffffff860b87c4 RBP: ffff88806ce09888 R08: ffffffff850c3480 R09: ffffffff85eb174a R10: ffffed100d9c1313 R11: 000000000003403b R12: ffff88806ce09871 R13: ffff88806ce09890 R14: ffff88806ce09830 R15: ffffffff82ed3e1a FS: 00007f1b73145700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f11b60e1008 CR3: 0000000042dea000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x83/0xf0 stack_trace_save+0x8c/0xc0 kasan_save_stack+0x1e/0x40 __kasan_record_aux_stack+0x97/0xa0 call_rcu+0x6a/0xa20 kfree+0xbb/0x5d0 skb_release_data+0x686/0x7b0 consume_skb+0xc2/0x160 mac80211_hwsim_tx_frame+0x1f6/0x2a0 mac80211_hwsim_beacon_tx+0x53b/0xa10 __iterate_interfaces+0x2d3/0x560 ieee80211_iterate_active_interfaces_atomic+0x70/0x180 mac80211_hwsim_beacon+0xfd/0x200 __hrtimer_run_queues+0x5de/0xbc0 hrtimer_run_softirq+0x172/0x340 __do_softirq+0x1c8/0x8cc __irq_exit_rcu+0x113/0x170 irq_exit_rcu+0x5/0x20 sysvec_apic_timer_interrupt+0x8e/0xc0 asm_sysvec_apic_timer_interrupt+0x1b/0x20 RIP: 0010:qlist_free_all+0x36/0x190 Code: 41 57 41 56 41 55 49 89 fd 41 54 49 bc 00 00 00 00 00 fc ff df 55 48 89 f5 53 48 83 ec 08 eb 4d 49 63 86 c0 00 00 00 49 8b 18 <4c> 89 f7 49 29 c0 4c 89 c6 4d 89 c7 e8 a9 d7 ff ff 48 89 c1 0f 1f RSP: 0018:ffff88804597f518 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff88800fbdaf30 RCX: ffffea00003ef680 RDX: ffffea0000678600 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888019e18a20 R09: ffffffff86a607d7 R10: fffffbfff0d4c0fa R11: 0000000000000001 R12: dffffc0000000000 R13: ffff88804597f558 R14: ffff88800784f780 R15: ffff888019e18360 kasan_quarantine_reduce+0x180/0x200 __kasan_slab_alloc+0x78/0x80 kmem_cache_alloc+0x1b1/0x490 __create_object.isra.0+0x3d/0xc10 kmem_cache_alloc+0x247/0x490 ptlock_alloc+0x1d/0x70 pte_alloc_one+0x68/0x1f0 __pte_alloc+0x69/0x200 copy_page_range+0x1b95/0x4080 dup_mmap+0x9d9/0xf40 dup_mm+0x91/0x370 copy_process+0x6941/0x6d60 kernel_clone+0xe7/0xa60 __do_sys_fork+0x7c/0xb0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f1b75bcfb19 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:00007f1b73145188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039 RAX: ffffffffffffffda RBX: 00007f1b75ce2f60 RCX: 00007f1b75bcfb19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f1b75c29f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0eed358f R14: 00007f1b73145300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xb/0x10 ---------------- Code disassembly (best guess): 0: 48 89 54 24 28 mov %rdx,0x28(%rsp) 5: 48 89 74 24 20 mov %rsi,0x20(%rsp) a: 44 89 5c 24 18 mov %r11d,0x18(%rsp) f: e8 ba 4f 66 00 callq 0x664fce 14: 48 8b 54 24 28 mov 0x28(%rsp),%rdx 19: 48 8b 74 24 20 mov 0x20(%rsp),%rsi 1e: 44 8b 5c 24 18 mov 0x18(%rsp),%r11d 23: 8b 0c 95 cc d2 03 86 mov -0x79fc2d34(,%rdx,4),%ecx * 2a: 8d 56 01 lea 0x1(%rsi),%edx <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8d 3c 95 cc d2 03 lea -0x79fc2d34(,%rdx,4),%rdi 3e: 86 3f: 49 rex.WB