loop4: detected capacity change from 0 to 16 EXT4-fs (loop4): failed to parse options in superblock: * @iMla ?ȤhɤV]~^I EXT4-fs (loop4): bad geometry: block count 64 exceeds size of device (2 blocks) watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:12464] Modules linked in: irq event stamp: 4081163 hardirqs last enabled at (4081162): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 hardirqs last disabled at (4081163): [] sysvec_apic_timer_interrupt+0xf/0xc0 softirqs last enabled at (4079514): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (4079517): [] __irq_exit_rcu+0x11b/0x180 CPU: 0 PID: 12464 Comm: syz-executor.0 Not tainted 6.1.0-rc5-next-20221121 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:prepare_alloc_pages+0x228/0x500 Code: 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 0f b6 14 02 48 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c3 01 00 00 83 0e 40 27 ff ff ff 48 8d 7b 20 c1 ed 0c 48 b8 00 00 00 00 00 fc ff df RSP: 0018:ffff88806ce097d0 EFLAGS: 00000206 RAX: 0000000000000003 RBX: ffff88806ce09880 RCX: 1ffff1100d9c1313 RDX: 0000000000000004 RSI: ffff88806ce09860 RDI: ffff88806ce09898 RBP: 0000000000012820 R08: ffff88806ce09880 R09: ffff88806ce09870 R10: 0000000000000004 R11: 0000000000000001 R12: ffff88806ce0989c R13: ffff88806ce09888 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f374ead9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff316b8a9d0 CR3: 000000001ff36000 CR4: 0000000000350ef0 Call Trace: __alloc_pages+0x149/0x500 alloc_pages+0x1a0/0x260 allocate_slab+0x23c/0x2f0 ___slab_alloc+0x8f5/0x1080 __slab_alloc.constprop.0+0x4d/0x90 kmem_cache_alloc_node+0x360/0x420 __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+0x11/0x1c0 Code: 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 41 57 41 89 d7 41 56 49 89 f6 41 55 41 54 49 89 fc <55> 53 9c 5d fa 81 e5 00 02 00 00 0f 85 25 01 00 00 49 8b 04 24 48 RSP: 0018:ffff8880351af6f8 EFLAGS: 00000286 RAX: 0000000000000001 RBX: ffff88801a951cb0 RCX: 0000000080120011 RDX: 0000000000000001 RSI: ffffea0001117b00 RDI: ffff88800844f780 RBP: 0000000000000000 R08: ffff8880445edcb0 R09: 0000000080120011 R10: ffffea0001117b00 R11: 0000000000000001 R12: ffff88800844f780 R13: ffff8880351af760 R14: ffffea0001117b00 R15: 0000000000000001 qlist_free_all+0x6d/0x1a0 kasan_quarantine_reduce+0x196/0x230 __kasan_kmalloc+0x72/0x90 __kmalloc+0x56/0xc0 kobject_get_path+0xc8/0x1d0 kobject_uevent_env+0x260/0xfa0 nfs_netns_sysfs_setup+0x10d/0x160 nfs_net_init+0x15/0x20 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: 0033:0x7f3751563b19 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:00007f374ead9188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f3751676f60 RCX: 00007f3751563b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f37515bdf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe838340ef R14: 00007f374ead9300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at default_idle+0xf/0x20 ---------------- Code disassembly (best guess), 6 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: f2 48 c1 ea 03 repnz shr $0x3,%rdx 8: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx c: 48 89 f0 mov %rsi,%rax f: 83 e0 07 and $0x7,%eax 12: 83 c0 03 add $0x3,%eax 15: 38 d0 cmp %dl,%al 17: 7c 08 jl 0x21 19: 84 d2 test %dl,%dl 1b: 0f 85 c3 01 00 00 jne 0x1e4 21: 83 0e 40 orl $0x40,(%rsi) * 24: e9 27 ff ff ff jmpq 0xffffff50 <-- trapping instruction 29: 48 8d 7b 20 lea 0x20(%rbx),%rdi 2d: c1 ed 0c shr $0xc,%ebp 30: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 37: fc ff df