FAT-fs (loop7): Unrecognized mount option "nnonumtail=1" or missing value EXT4-fs (loop4): VFS: Can't find ext4 filesystem netlink: 20 bytes leftover after parsing attributes in process `syz-executor.4'. Bluetooth: hci2: command 0x0405 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.6:4057] Modules linked in: irq event stamp: 4545195 hardirqs last enabled at (4545194): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (4545195): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (4511372): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (4511375): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 4057 Comm: syz-executor.6 Not tainted 5.10.227 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0xd0a/0x1a90 arch/x86/kernel/unwind_orc.c:582 Code: 00 00 41 83 e0 07 44 38 c0 0f 9e c2 84 c0 0f 95 c0 84 c2 0f 85 68 08 00 00 0f b6 41 04 c0 e8 04 3c 01 0f 84 0c 05 00 00 3c 04 <74> 1d 84 c0 0f 84 b1 00 00 00 80 3d 4b b3 54 04 00 0f b6 f0 0f 85 RSP: 0018:ffff88806cf09760 EFLAGS: 00000297 RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffff859b9ea0 RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff88806cf09890 RBP: ffff88806cf0986d R08: 0000000000000005 R09: ffff88806cf09960 R10: 0000000000032042 R11: 1ffff1100d9e12f4 R12: ffff88806cf09960 R13: ffff88806cf09838 R14: 1ffff1100d9e12f4 R15: ffffffff859b9ea4 FS: 00007fdbfe5de700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc0a5c4e4f0 CR3: 000000001cb50000 CR4: 0000000000350ee0 Call Trace: arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0x110/0x160 mm/kasan/common.c:422 slab_free_hook mm/slub.c:1542 [inline] slab_free_freelist_hook+0xa9/0x180 mm/slub.c:1576 slab_free mm/slub.c:3149 [inline] kfree+0xd7/0x340 mm/slub.c:4125 skb_free_head net/core/skbuff.c:605 [inline] skb_release_data+0x604/0x820 net/core/skbuff.c:625 skb_release_all net/core/skbuff.c:679 [inline] __kfree_skb net/core/skbuff.c:693 [inline] consume_skb net/core/skbuff.c:849 [inline] consume_skb+0x110/0x2b0 net/core/skbuff.c:843 mac80211_hwsim_tx_frame+0x15a/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1717 mac80211_hwsim_beacon_tx+0x494/0x940 drivers/net/wireless/mac80211_hwsim.c:1770 __iterate_interfaces+0x1f0/0x550 net/mac80211/util.c:792 ieee80211_iterate_active_interfaces_atomic+0x71/0x1c0 net/mac80211/util.c:828 mac80211_hwsim_beacon+0xd1/0x1d0 drivers/net/wireless/mac80211_hwsim.c:1793 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x632/0xb40 kernel/time/hrtimer.c:1650 hrtimer_run_softirq+0x148/0x310 kernel/time/hrtimer.c:1667 __do_softirq+0x1b8/0x7c9 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:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:___might_sleep+0x84/0x2f0 kernel/sched/core.c:7300 Code: c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 38 d0 7c 08 84 d2 0f 85 33 02 00 00 8b 05 19 04 49 04 83 e8 01 83 f8 01 76 09 5b <5d> 41 5c e9 04 01 02 03 48 c7 c0 e0 79 bf 86 48 ba 00 00 00 00 00 RSP: 0018:ffff88800c887af0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000010 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880208fa318 RBP: ffffffff84becabe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000201 R13: 0000000000000000 R14: 0000000000092cc0 R15: 0000000000092cc0 slab_pre_alloc_hook mm/slab.h:513 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x297/0x310 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+0x159/0x310 mm/slub.c:2909 kmem_cache_zalloc include/linux/slab.h:654 [inline] lsm_file_alloc security/security.c:571 [inline] security_file_alloc+0x34/0x170 security/security.c:1472 __alloc_file+0xb7/0x320 fs/file_table.c:106 alloc_empty_file+0x6d/0x170 fs/file_table.c:151 alloc_file+0x5e/0x5a0 fs/file_table.c:193 alloc_file_pseudo+0x16a/0x250 fs/file_table.c:233 anon_inode_getfile fs/anon_inodes.c:91 [inline] anon_inode_getfile+0xc8/0x1f0 fs/anon_inodes.c:74 __do_sys_perf_event_open+0xf59/0x2e60 kernel/events/core.c:12106 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fdc01068b19 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:00007fdbfe5de188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007fdc0117bf60 RCX: 00007fdc01068b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007fdc010c2f6d R08: 0000000000000002 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9d5dd16f R14: 00007fdbfe5de300 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:706 Process accounting resumed ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 41 83 e0 07 and $0x7,%r8d 6: 44 38 c0 cmp %r8b,%al 9: 0f 9e c2 setle %dl c: 84 c0 test %al,%al e: 0f 95 c0 setne %al 11: 84 c2 test %al,%dl 13: 0f 85 68 08 00 00 jne 0x881 19: 0f b6 41 04 movzbl 0x4(%rcx),%eax 1d: c0 e8 04 shr $0x4,%al 20: 3c 01 cmp $0x1,%al 22: 0f 84 0c 05 00 00 je 0x534 28: 3c 04 cmp $0x4,%al * 2a: 74 1d je 0x49 <-- trapping instruction 2c: 84 c0 test %al,%al 2e: 0f 84 b1 00 00 00 je 0xe5 34: 80 3d 4b b3 54 04 00 cmpb $0x0,0x454b34b(%rip) # 0x454b386 3b: 0f b6 f0 movzbl %al,%esi 3e: 0f .byte 0xf 3f: 85 .byte 0x85