tmpfs: Unknown parameter 'ÿÿ00000000000000000000004ÿÿÿÿ18446744073709551615' watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.6:4049] Modules linked in: irq event stamp: 6576989 hardirqs last enabled at (6576988): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (6576989): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (6531550): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (6531553): [] asm_call_irq_on_stack+0x12/0x20 CPU: 1 PID: 4049 Comm: syz-executor.6 Not tainted 5.10.226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__orc_find+0x4a/0xf0 arch/x86/kernel/unwind_orc.c:50 Code: 4c 39 e7 0f 87 a2 00 00 00 49 bf 00 00 00 00 00 fc ff df 49 89 fe 48 89 fd eb 0c 48 8d 6b 04 49 89 de 49 39 ec 72 4d 4c 89 e0 <48> 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d RSP: 0018:ffff88806cf09828 EFLAGS: 00000246 RAX: ffffffff856e80e0 RBX: 0000000000000002 RCX: ffffffff81312a61 RDX: 0000000000000001 RSI: ffffffff859ba8e8 RDI: ffffffff856e80e0 RBP: ffffffff856e80e0 R08: ffffffff859ba8e8 R09: ffffffff859ba8ee R10: 0000000000032042 R11: 1ffff1100d9e1316 R12: ffffffff856e80e0 R13: ffffffff856e80e0 R14: ffffffff856e80e0 R15: dffffc0000000000 FS: 00007fa238f23700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555aa004de60 CR3: 000000001cec6000 CR4: 0000000000350ee0 Call Trace: orc_find arch/x86/kernel/unwind_orc.c:178 [inline] unwind_next_frame+0x2b3/0x1a90 arch/x86/kernel/unwind_orc.c:448 arch_stack_walk+0x83/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 __save_stack_trace mm/kmemleak.c:563 [inline] create_object.isra.0+0x372/0xa20 mm/kmemleak.c:618 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] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __kmalloc_reserve net/core/skbuff.c:143 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:211 skb_copy+0x183/0x350 net/core/skbuff.c:1529 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb1d/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1499 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 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:compound_head include/linux/page-flags.h:188 [inline] RIP: 0010:virt_to_head_page include/linux/mm.h:862 [inline] RIP: 0010:qlink_to_cache mm/kasan/quarantine.c:130 [inline] RIP: 0010:qlist_free_all+0x91/0xe0 mm/kasan/quarantine.c:167 Code: 75 cc 48 89 f0 4c 01 e8 72 5a 4c 89 f2 48 2b 15 35 1f 5c 03 48 01 d0 48 c1 e8 0c 48 c1 e0 06 48 03 05 13 1f 5c 03 48 8b 50 08 <48> 8d 4a ff 83 e2 01 48 0f 45 c1 48 8b 78 18 eb 93 49 c7 44 24 08 RSP: 0018:ffff888047d0f790 EFLAGS: 00000286 RAX: ffffea0000269900 RBX: 0000000000000000 RCX: ffffea0000367f00 RDX: 0000000000000000 RSI: ffff888009a64000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: 0000000000000011 R09: ffffffff816c9401 R10: ffff88800d0a1cb0 R11: 0000000000000001 R12: ffff888047d0f7c8 R13: 0000000080000000 R14: ffffffff80000000 R15: ffff888009a64000 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/0x310 mm/slub.c:2909 kmem_cache_zalloc include/linux/slab.h:654 [inline] __kernfs_iattrs+0xbc/0x470 fs/kernfs/inode.c:43 kernfs_iattrs fs/kernfs/inode.c:66 [inline] kernfs_xattr_set+0x2b/0x80 fs/kernfs/inode.c:304 selinux_kernfs_init_security+0x26d/0x4c0 security/selinux/hooks.c:3522 security_kernfs_init_security+0x4e/0xb0 security/security.c:1456 __kernfs_new_node+0x531/0x860 fs/kernfs/dir.c:674 kernfs_new_node+0x18d/0x250 fs/kernfs/dir.c:711 __kernfs_create_file+0x51/0x350 fs/kernfs/file.c:985 cgroup_add_file kernel/cgroup/cgroup.c:3943 [inline] cgroup_addrm_files+0x3c8/0x9b0 kernel/cgroup/cgroup.c:4003 css_populate_dir+0x304/0x460 kernel/cgroup/cgroup.c:1687 cgroup_mkdir+0xa13/0xf50 kernel/cgroup/cgroup.c:5493 kernfs_iop_mkdir+0x14d/0x1e0 fs/kernfs/dir.c:1148 vfs_mkdir+0x493/0x750 fs/namei.c:3706 do_mkdirat+0x150/0x2b0 fs/namei.c:3728 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fa23b9adb19 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:00007fa238f23188 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fa23bac0f60 RCX: 00007fa23b9adb19 RDX: 0000000000000086 RSI: 0000000020000200 RDI: 0000000000000004 RBP: 00007fa23ba07f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff6a6127ef R14: 00007fa238f23300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4019 Comm: syz-executor.4 Not tainted 5.10.226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:193 Code: ff ff b9 ff ff ff ff b8 08 00 00 00 4d 8b 17 49 8b 16 48 0f bd c8 48 63 c9 e9 5e ff ff ff 4c 01 d2 49 89 17 e9 cd fd ff ff 90 <48> 8b 34 24 65 48 8b 14 25 80 6f 02 00 65 8b 05 ec cf c1 7e a9 00 RSP: 0018:ffff88806ce09358 EFLAGS: 00000002 RAX: ffffffff8151a900 RBX: ffff88804042a000 RCX: ffffffff8151a9c2 RDX: 0000000000000001 RSI: ffff888047fccec0 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff868686e7 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88806ce09600 R13: ffff88804042a000 R14: ffff88806ce09988 R15: 0000000000000008 FS: 00007f504df78700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555aa0038678 CR3: 000000000e0a4000 CR4: 0000000000350ef0 Call Trace: rcu_read_lock include/linux/rcupdate.h:718 [inline] __perf_output_begin kernel/events/ring_buffer.c:163 [inline] perf_output_begin_forward+0x78c/0xb60 kernel/events/ring_buffer.c:271 __perf_event_output kernel/events/core.c:7416 [inline] perf_event_output_forward+0xf3/0x2c0 kernel/events/core.c:7434 __perf_event_overflow+0x213/0x5e0 kernel/events/core.c:9090 perf_swevent_hrtimer+0x37e/0x3f0 kernel/events/core.c:10493 __run_hrtimer kernel/time/hrtimer.c:1586 [inline] __hrtimer_run_queues+0x1ca/0xb40 kernel/time/hrtimer.c:1650 hrtimer_interrupt+0x2fd/0x9b0 kernel/time/hrtimer.c:1712 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline] __sysvec_apic_timer_interrupt+0xfb/0x310 arch/x86/kernel/apic/apic.c:1100 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline] sysvec_apic_timer_interrupt+0x3e/0xa0 arch/x86/kernel/apic/apic.c:1094 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:19 [inline] RIP: 0010:virt_spin_lock arch/x86/include/asm/qspinlock.h:100 [inline] RIP: 0010:queued_spin_lock_slowpath+0x122/0x8c0 kernel/locking/qspinlock.c:326 Code: 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 09 07 00 00 48 81 c4 88 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f e9 00 a4 f8 02 f3 90 73 ff ff ff 44 8b 74 24 48 41 81 fe 00 01 00 00 0f 84 e1 00 00 RSP: 0018:ffff88806ce09a38 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff87a04080 RCX: ffffffff81279b47 RDX: fffffbfff0f40811 RSI: 0000000000000004 RDI: ffffffff87a04080 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff87a04083 R10: fffffbfff0f40810 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff0f40810 R14: 0000000000000001 R15: 1ffff1100d9c1348 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x1dc/0x260 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x695/0x13d0 drivers/net/wireless/mac80211_hwsim.c:1450 mac80211_hwsim_tx_frame+0x152/0x1e0 drivers/net/wireless/mac80211_hwsim.c:1716 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:__kasan_check_read+0x0/0x10 mm/kasan/common.c:71 Code: 31 ed eb c5 66 0f 1f 44 00 00 e9 3b d4 b3 02 66 66 2e 0f 1f 84 00 00 00 00 00 48 c7 c0 fb ff ff ff e9 24 d4 b3 02 cc cc cc cc <48> 8b 0c 24 89 f6 31 d2 e9 83 22 00 00 0f 1f 00 48 8b 0c 24 89 f6 RSP: 0018:ffff888048767980 EFLAGS: 00000206 RAX: 00000000f0000200 RBX: 0000000000000001 RCX: ffffffff8166114b RDX: 1ffffd40001c5346 RSI: 0000000000000004 RDI: ffffea0000e29a30 RBP: ffffea0000e29a00 R08: 0000000000000000 R09: ffffea0000e29bf7 R10: fffff940001c537e R11: 0000000000000001 R12: 0000000000000003 R13: dffffc0000000000 R14: ffffea0000e29a18 R15: ffffea0000e29a30 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_read include/asm-generic/atomic-instrumented.h:27 [inline] page_expected_state mm/page_alloc.c:1091 [inline] check_free_page mm/page_alloc.c:1136 [inline] free_pages_prepare mm/page_alloc.c:1252 [inline] __free_pages_ok+0x12c/0xd00 mm/page_alloc.c:1521 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/0x310 mm/slub.c:2909 sock_alloc_inode+0x18/0x1c0 net/socket.c:253 alloc_inode+0x63/0x240 fs/inode.c:233 new_inode_pseudo+0x14/0xe0 fs/inode.c:964 sock_alloc+0x3c/0x270 net/socket.c:573 __sock_create+0xbd/0x7f0 net/socket.c:1399 inet_ctl_sock_create+0x89/0x1e0 net/ipv4/af_inet.c:1666 igmp_net_init+0xcc/0x160 net/ipv4/igmp.c:3033 ops_init+0xbb/0x6b0 net/core/net_namespace.c:156 setup_net+0x2d8/0x810 net/core/net_namespace.c:354 copy_net_ns+0x2c0/0x5d0 net/core/net_namespace.c:495 create_new_namespaces+0x3f6/0xb20 kernel/nsproxy.c:110 unshare_nsproxy_namespaces+0xbd/0x1f0 kernel/nsproxy.c:231 ksys_unshare+0x449/0x8a0 kernel/fork.c:3003 __do_sys_unshare kernel/fork.c:3071 [inline] __se_sys_unshare kernel/fork.c:3069 [inline] __x64_sys_unshare+0x2d/0x40 kernel/fork.c:3069 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5050a02b19 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:00007f504df78188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f5050b15f60 RCX: 00007f5050a02b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000048020200 RBP: 00007f5050a5cf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe730968af R14: 00007f504df78300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 4c 39 e7 cmp %r12,%rdi 3: 0f 87 a2 00 00 00 ja 0xab 9: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 10: fc ff df 13: 49 89 fe mov %rdi,%r14 16: 48 89 fd mov %rdi,%rbp 19: eb 0c jmp 0x27 1b: 48 8d 6b 04 lea 0x4(%rbx),%rbp 1f: 49 89 de mov %rbx,%r14 22: 49 39 ec cmp %rbp,%r12 25: 72 4d jb 0x74 27: 4c 89 e0 mov %r12,%rax * 2a: 48 29 e8 sub %rbp,%rax <-- trapping instruction 2d: 48 89 c2 mov %rax,%rdx 30: 48 c1 e8 3f shr $0x3f,%rax 34: 48 c1 fa 02 sar $0x2,%rdx 38: 48 01 d0 add %rdx,%rax 3b: 48 d1 f8 sar %rax 3e: 48 rex.W 3f: 8d .byte 0x8d