loop5: detected capacity change from 0 to 2048 EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback. EXT4-fs (loop5): unmounting filesystem. watchdog: BUG: soft lockup - CPU#1 stuck for 25s! [syz-executor.2:11151] Modules linked in: irq event stamp: 4861361 hardirqs last enabled at (4861360): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4861361): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4824124): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4824127): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 11151 Comm: syz-executor.2 Not tainted 6.1.0-rc6-next-20221125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:stack_access_ok+0x38/0x1d0 Code: 41 54 49 89 d4 48 89 fa 55 48 c1 ea 03 48 89 f5 53 48 89 fb 48 83 ec 08 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 4b 01 00 00 8b 0b <85> c9 74 65 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48 RSP: 0018:ffff88806cf09858 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff88806cf09910 RCX: 0000000000000001 RDX: 1ffff1100d9e1322 RSI: ffff888048507698 RDI: ffff88806cf09910 RBP: ffff888048507698 R08: ffffffff86463db0 R09: ffffffff86463db4 R10: ffff88806cf09ff8 R11: 0000000000038001 R12: 00000000000000a8 R13: ffff88806cf09970 R14: ffff88806cf09910 R15: ffffffff86463db5 FS: 00007f3e616cd700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33622000 CR3: 000000003ea42000 CR4: 0000000000350ee0 Call Trace: unwind_next_frame+0xe5d/0x2130 arch_stack_walk+0x87/0xf0 stack_trace_save+0x90/0xd0 __create_object+0x389/0xc10 kmem_cache_alloc_node+0x282/0x420 __alloc_skb+0x21a/0x310 skb_copy+0x13d/0x3d0 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb6d/0x1360 mac80211_hwsim_tx_frame+0x1ee/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+0x54b/0xba0 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:put_cpu_partial+0x115/0x1c0 Code: 39 43 28 75 61 48 c7 43 28 00 00 00 00 48 c7 c6 50 72 7c 81 48 89 df e8 09 97 af ff 48 85 ed 74 06 e8 7f a5 d3 ff fb 4d 85 ed <74> 21 5b 4c 89 ee 5d 4c 89 e7 41 5c 41 5d 41 5e 41 5f e9 54 fa ff RSP: 0018:ffff888048507748 EFLAGS: 00000246 RAX: 000000000033c053 RBX: ffff88806cf416f0 RCX: ffffffff812b6b6f RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff8762784f R10: fffffbfff0ec4f09 R11: 0000000000000001 R12: ffff888008c5cdc0 R13: 0000000000000000 R14: ffffea000084ff80 R15: 0000000000000006 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_slab_alloc+0x4c/0x70 __kmem_cache_alloc_node+0x1e8/0x400 kmalloc_trace+0x26/0x60 netdev_create_hash+0x3c/0xc0 netdev_init+0x72/0x1b0 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: 0033:0x7f3e64157b19 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:00007f3e616cd188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f3e6426af60 RCX: 00007f3e64157b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f3e641b1f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe1f084c9f R14: 00007f3e616cd300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rc6-next-20221125 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:queued_spin_lock_slowpath+0x128/0xc80 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 cd 0a 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 ee 1f 00 00 f3 90 71 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e5 00 00 RSP: 0018:ffff88806ce09a28 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8440e25b RDX: fffffbfff0b480d9 RSI: 0000000000000004 RDI: ffffffff85a406c0 RBP: ffffffff85a406c0 R08: 0000000000000000 R09: ffffffff85a406c3 R10: fffffbfff0b480d8 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0b480d8 R14: 0000000000000001 R15: 1ffff1100d9c1346 FS: 0000000000000000(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000618000 CR3: 000000001c33a000 CR4: 0000000000350ef0 Call Trace: do_raw_spin_lock+0x1e0/0x270 mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f1/0x1360 mac80211_hwsim_tx_frame+0x1ee/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+0x54b/0xba0 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:default_idle+0xf/0x20 Code: 6c 01 fe cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d 53 bf 41 00 fb f4 90 44 00 00 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 RSP: 0018:ffffffff85407e20 EFLAGS: 00000202 RAX: ffffffff8440be20 RBX: ffffffff854328c0 RCX: ffffffff843ec812 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88806ce34f03 R10: ffffed100d9c69e0 R11: 0000000000000001 R12: fffffbfff0a86518 R13: ffffffff85d05c10 R14: 0000000000000000 R15: dffffc0000000000 default_idle_call+0x88/0xd0 do_idle+0x3bd/0x530 cpu_startup_entry+0x18/0x20 rest_init+0x166/0x260 arch_call_rest_init+0x13/0x2c start_kernel+0x4a2/0x4c7 secondary_startup_64_no_verify+0xe0/0xeb ---------------- Code disassembly (best guess): 0: 41 54 push %r12 2: 49 89 d4 mov %rdx,%r12 5: 48 89 fa mov %rdi,%rdx 8: 55 push %rbp 9: 48 c1 ea 03 shr $0x3,%rdx d: 48 89 f5 mov %rsi,%rbp 10: 53 push %rbx 11: 48 89 fb mov %rdi,%rbx 14: 48 83 ec 08 sub $0x8,%rsp 18: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax 1c: 84 c0 test %al,%al 1e: 74 08 je 0x28 20: 3c 03 cmp $0x3,%al 22: 0f 8e 4b 01 00 00 jle 0x173 28: 8b 0b mov (%rbx),%ecx * 2a: 85 c9 test %ecx,%ecx <-- trapping instruction 2c: 74 65 je 0x93 2e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 35: fc ff df 38: 48 8d 7b 08 lea 0x8(%rbx),%rdi 3c: 48 89 fa mov %rdi,%rdx 3f: 48 rex.W