EXT4-fs (loop7): unsupported inode size: 0 EXT4-fs (loop7): blocksize: 1024 watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.3:5724] Modules linked in: irq event stamp: 4194813 hardirqs last enabled at (4194812): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (4194812): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (4194813): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1095 softirqs last enabled at (4193542): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4193545): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 5724 Comm: syz-executor.3 Not tainted 5.10.147 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191 Code: 3e 00 0f 1f 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 ca 37 45 fd 48 89 ef e8 a2 f1 45 fd f6 c7 02 75 10 53 9d <65> ff 0d b4 b2 20 7c 5b 5d e9 6d 83 3e 00 e8 a8 b6 64 fd eb e9 66 RSP: 0018:ffff88806cf09900 EFLAGS: 00000246 RAX: 00000000004001fc RBX: 0000000000000246 RCX: 1ffffffff0cfb50a RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff83e1bc98 RBP: ffff8880461113a0 R08: 0000000000000001 R09: ffffffff86797717 R10: fffffbfff0cf2ee2 R11: 0000000000000001 R12: 0000000000000080 R13: dffffc0000000000 R14: ffff88806cf09d98 R15: ffff88804918ec50 FS: 00007f7385156700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d124000 CR3: 000000000d70a000 CR4: 0000000000350ee0 Call Trace: ieee80211_rx_h_mgmt net/mac80211/rx.c:3718 [inline] ieee80211_rx_handlers+0x5d65/0xa230 net/mac80211/rx.c:3885 ieee80211_invoke_rx_handlers net/mac80211/rx.c:3915 [inline] ieee80211_prepare_and_rx_handle+0x17d4/0x5850 net/mac80211/rx.c:4602 __ieee80211_rx_handle_packet net/mac80211/rx.c:4663 [inline] ieee80211_rx_list+0xdd0/0x2350 net/mac80211/rx.c:4843 ieee80211_rx_napi+0xdd/0x380 net/mac80211/rx.c:4864 ieee80211_rx include/net/mac80211.h:4502 [inline] ieee80211_tasklet_handler+0xd3/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x244/0x2f0 kernel/softirq.c:560 __do_softirq+0x1b8/0x86b kernel/softirq.c:298 asm_call_irq_on_stack+0x12/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x114/0x1b0 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1095 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:compound_head include/linux/page-flags.h:188 [inline] RIP: 0010:virt_to_head_page include/linux/mm.h:862 [inline] RIP: 0010:___cache_free+0x4f/0x340 mm/slub.c:3156 Code: 00 00 48 c7 c2 00 00 00 80 48 2b 15 fb de 5c 03 48 01 d0 48 8b 35 e1 de 5c 03 48 c1 e8 0c 48 c1 e0 06 4c 8d 2c 30 49 8b 55 08 <48> 8d 42 ff 83 e2 01 49 0f 44 c5 48 89 04 24 0f 1f 44 00 00 48 85 RSP: 0018:ffff888049167b80 EFLAGS: 00000212 RAX: 000000000068f280 RBX: ffff88801a3caa20 RCX: ffffffffffffffff RDX: 0000000000000000 RSI: ffffea0000000000 RDI: ffff888007c4d640 RBP: dffffc0000000000 R08: 0000000000000000 R09: ffffffff816bc700 R10: ffff88800eb56000 R11: 0000000000000001 R12: ffff888007c4d640 R13: ffffea000068f280 R14: ffffffff80000000 R15: ffff88801a3cad80 qlink_free mm/kasan/quarantine.c:151 [inline] qlist_free_all+0x59/0xe0 mm/kasan/quarantine.c:170 quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:267 __kasan_kmalloc.constprop.0+0xa2/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:532 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x13b/0x360 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x360 mm/slub.c:2909 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138 getname_flags include/linux/audit.h:320 [inline] getname+0x8e/0xd0 fs/namei.c:209 do_sys_openat2+0xf9/0x420 fs/open.c:1174 do_sys_open fs/open.c:1196 [inline] __do_sys_openat fs/open.c:1212 [inline] __se_sys_openat fs/open.c:1207 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1207 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f7387be0b19 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:00007f7385156188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f7387cf3f60 RCX: 00007f7387be0b19 RDX: 0000000000000000 RSI: 0000000020000280 RDI: ffffffffffffff9c RBP: 00007f7387c3af6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffded56caf R14: 00007f7385156300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline] NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline] NMI backtrace for cpu 0 skipped: idling at default_idle+0xe/0x20 arch/x86/kernel/process.c:689 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 0f 1f 00 nopl (%rax) 3: 55 push %rbp 4: 48 89 fd mov %rdi,%rbp 7: 48 83 c7 18 add $0x18,%rdi b: 53 push %rbx c: 48 89 f3 mov %rsi,%rbx f: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 14: e8 ca 37 45 fd callq 0xfd4537e3 19: 48 89 ef mov %rbp,%rdi 1c: e8 a2 f1 45 fd callq 0xfd45f1c3 21: f6 c7 02 test $0x2,%bh 24: 75 10 jne 0x36 26: 53 push %rbx 27: 9d popfq * 28: 65 ff 0d b4 b2 20 7c decl %gs:0x7c20b2b4(%rip) # 0x7c20b2e3 <-- trapping instruction 2f: 5b pop %rbx 30: 5d pop %rbp 31: e9 6d 83 3e 00 jmpq 0x3e83a3 36: e8 a8 b6 64 fd callq 0xfd64b6e3 3b: eb e9 jmp 0x26 3d: 66 data16