DUID 00:04:ac:03:58:10:d0:76:5c:28:30:a7:8a:8b:4a:a3:06:e2 forked to background, child pid 3172 [ 29.484496][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.503389][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.227771][ T7] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.127' (ECDSA) to the list of known hosts. [ 862.518175][ T3641] cgroup: Unknown subsys name 'net' [ 862.681898][ T3641] cgroup: Unknown subsys name 'rlimit' [ 863.049085][ T1028] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.069601][ T1028] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.084164][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.101772][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.114169][ T3657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 863.127780][ T3657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 863.146184][ T1028] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.154262][ T1028] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.155610][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.162129][ T3659] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.185583][ T3659] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.189357][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.194789][ T3657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 863.229066][ T3659] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.232798][ T3657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 863.244838][ T3659] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.245058][ T3657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program executing program [ 863.286777][ T50] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.301955][ T3657] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 863.308453][ T50] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program executing program executing program executing program [ 863.336727][ T3659] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.336777][ T3659] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.338257][ T50] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.338306][ T50] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.341734][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 863.342307][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 863.343147][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 863.351689][ T1028] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.351738][ T1028] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.353448][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 863.418169][ T3659] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.418205][ T3659] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.419316][ T3655] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 863.420572][ T3659] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 863.420603][ T3659] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 863.421631][ T3655] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 877.622545][ T3661] syz-executor372: vmalloc error: size 4096, page order 0, failed to allocate pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=syz2,mems_allowed=0-1 [ 879.422185][ T3661] CPU: 1 PID: 3661 Comm: syz-executor372 Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 879.432192][ T3661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 879.442251][ T3661] Call Trace: [ 879.445528][ T3661] [ 879.448455][ T3661] dump_stack_lvl+0xcd/0x134 [ 879.453179][ T3661] warn_alloc.cold+0x9b/0x189 [ 879.457882][ T3661] ? zone_watermark_ok_safe+0x290/0x290 [ 879.463496][ T3661] ? __vmalloc_node_range+0x7e8/0x1130 [ 879.468966][ T3661] __vmalloc_node_range+0xeb5/0x1130 [ 879.474262][ T3661] ? vfree_atomic+0xe0/0xe0 [ 879.478761][ T3661] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 879.484647][ T3661] ? __ldsem_down_read_nested+0x850/0x850 [ 879.490403][ T3661] ? __wake_up_common+0x650/0x650 [ 879.495467][ T3661] ? n_tty_open+0x16/0x170 [ 879.499917][ T3661] vzalloc+0x67/0x80 [ 879.503814][ T3661] ? n_tty_open+0x16/0x170 [ 879.508233][ T3661] n_tty_open+0x16/0x170 [ 879.512485][ T3661] ? n_tty_set_termios+0x1010/0x1010 [ 879.517773][ T3661] tty_ldisc_open+0x9b/0x110 [ 879.522372][ T3661] tty_ldisc_setup+0x43/0x100 [ 879.527057][ T3661] tty_init_dev.part.0+0x1f4/0x610 [ 879.532175][ T3661] tty_open+0xb16/0x1000 [ 879.536429][ T3661] ? tty_init_dev+0x80/0x80 [ 879.540935][ T3661] ? rwlock_bug.part.0+0x90/0x90 [ 879.545910][ T3661] ? tty_init_dev+0x80/0x80 [ 879.550419][ T3661] chrdev_open+0x266/0x770 [ 879.554904][ T3661] ? cdev_device_add+0x210/0x210 [ 879.559862][ T3661] ? fsnotify_perm.part.0+0x22d/0x620 [ 879.565310][ T3661] do_dentry_open+0x4b9/0x1240 [ 879.570122][ T3661] ? cdev_device_add+0x210/0x210 [ 879.575075][ T3661] ? may_open+0x1f6/0x420 [ 879.579416][ T3661] path_openat+0x1c9e/0x2940 [ 879.584032][ T3661] ? path_lookupat+0x860/0x860 [ 879.588799][ T3661] ? mark_lock+0xef/0x17b0 [ 879.593223][ T3661] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 879.599224][ T3661] do_filp_open+0x1aa/0x400 [ 879.603733][ T3661] ? may_open_dev+0xf0/0xf0 [ 879.608250][ T3661] ? rwlock_bug.part.0+0x90/0x90 [ 879.613199][ T3661] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 879.619537][ T3661] ? _find_next_bit+0x1e3/0x260 [ 879.624420][ T3661] ? _raw_spin_unlock+0x24/0x40 [ 879.629285][ T3661] ? alloc_fd+0x2f0/0x670 [ 879.633659][ T3661] do_sys_openat2+0x16d/0x4d0 [ 879.638353][ T3661] ? build_open_flags+0x6f0/0x6f0 [ 879.643393][ T3661] ? __context_tracking_exit+0xb8/0xe0 [ 879.648880][ T3661] ? lock_downgrade+0x6e0/0x6e0 [ 879.653737][ T3661] __x64_sys_openat+0x13f/0x1f0 [ 879.658612][ T3661] ? __ia32_sys_open+0x1c0/0x1c0 [ 879.663590][ T3661] ? syscall_enter_from_user_mode+0x21/0x70 [ 879.669496][ T3661] do_syscall_64+0x35/0xb0 [ 879.673911][ T3661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 879.679817][ T3661] RIP: 0033:0x7f5f16eac9d7 [ 879.684231][ T3661] Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25 [ 879.703932][ T3661] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 879.712348][ T3661] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 879.720316][ T3661] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 879.728282][ T3661] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 879.736250][ T3661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 879.744217][ T3661] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 879.752202][ T3661] [ 913.022067][ T3661] Mem-Info: [ 913.025198][ T3661] active_anon:241 inactive_anon:5820 isolated_anon:0 [ 913.025198][ T3661] active_file:3141 inactive_file:8141 isolated_file:0 [ 913.025198][ T3661] unevictable:768 dirty:0 writeback:0 [ 913.025198][ T3661] slab_reclaimable:18036 slab_unreclaimable:84610 [ 913.025198][ T3661] mapped:1915 shmem:1707 pagetables:268 bounce:0 [ 913.025198][ T3661] kernel_misc_reclaimable:0 [ 913.025198][ T3661] free:1515224 free_pcp:4985 free_cma:0 [ 913.422136][ T3661] Node 0 active_anon:952kB inactive_anon:22348kB active_file:12488kB inactive_file:32564kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:7660kB dirty:0kB writeback:0kB shmem:4352kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB kernel_stack:8016kB pagetables:1068kB all_unreclaimable? no [ 916.622152][ T3661] Node 1 active_anon:12kB inactive_anon:932kB active_file:76kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:2480kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:16kB pagetables:4kB all_unreclaimable? no [ 919.522104][ T3661] Node 0 DMA free:15360kB boost:0kB min:200kB low:248kB high:296kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 922.222109][ T3661] lowmem_reserve[]: 0 2645 2645 2645 2645 [ 922.822101][ T3661] Node 0 DMA32 free:2097572kB boost:0kB min:35676kB low:44592kB high:53508kB reserved_highatomic:0KB active_anon:956kB inactive_anon:22348kB active_file:12488kB inactive_file:32564kB unevictable:1536kB writepending:0kB present:3129332kB managed:2716612kB mlocked:0kB bounce:0kB free_pcp:37756kB local_pcp:16164kB free_cma:0kB [ 925.922186][ T3661] lowmem_reserve[]: 0 0 0 0 0 [ 926.522129][ T3661] Node 0 Normal free:0kB boost:0kB min:4kB low:4kB high:4kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:400kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 929.222150][ T3661] lowmem_reserve[]: 0 0 0 0 0 [ 929.722117][ T3661] Node 1 Normal free:3946284kB boost:0kB min:54224kB low:67780kB high:81336kB reserved_highatomic:0KB active_anon:12kB inactive_anon:932kB active_file:76kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4117620kB mlocked:0kB bounce:0kB free_pcp:7652kB local_pcp:816kB free_cma:0kB [ 932.722113][ T3661] lowmem_reserve[]: 0 0 0 0 0 [ 933.222112][ T3661] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB [ 934.522130][ T3661] Node 0 DMA32: 21*4kB (UE) 21*8kB (UME) 6*16kB (UME) 25*32kB (UE) 6*64kB (UE) 1*128kB (M) 2*256kB (UM) 3*512kB (UME) 0*1024kB 1*2048kB (M) 511*4096kB (M) = 2098812kB [ 936.222118][ T3661] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 937.422125][ T3661] Node 1 Normal: 53*4kB (UME) 19*8kB (UME) 24*16kB (UME) 120*32kB (UME) 45*64kB (UE) 18*128kB (UME) 7*256kB (UE) 3*512kB (UE) 1*1024kB (E) 2*2048kB (UE) 959*4096kB (M) = 3946284kB [ 939.222130][ T3661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 940.222107][ T3661] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 941.122113][ T3661] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 942.122152][ T3661] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 943.022121][ T3661] 12991 total pagecache pages [ 943.522116][ T3661] 0 pages in swap cache [ 944.022103][ T3661] Swap cache stats: add 0, delete 0, find 0/0 [ 944.622113][ T3661] Free swap = 0kB [ 945.022114][ T3661] Total swap = 0kB [ 945.422117][ T3661] 2097051 pages RAM [ 945.822100][ T3661] 0 pages HighMem/MovableOnly [ 946.322121][ T3661] 384553 pages reserved [ 946.722131][ T3661] 0 pages cma reserved [ 947.122348][ T3661] tty tty25: ldisc open failed (-12), clearing slot 24 [ 948.122977][ T3662] syz-executor372: vmalloc error: size 4096, page order 0, failed to allocate pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=syz4,mems_allowed=0-1 executing program [ 949.822168][ T3662] CPU: 0 PID: 3662 Comm: syz-executor372 Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 949.832205][ T3662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 949.842381][ T3662] Call Trace: [ 949.845718][ T3662] [ 949.848657][ T3662] dump_stack_lvl+0xcd/0x134 [ 949.853251][ T3662] warn_alloc.cold+0x9b/0x189 [ 949.858052][ T3662] ? zone_watermark_ok_safe+0x290/0x290 [ 949.863593][ T3662] ? __kmalloc_node+0x62/0x390 [ 949.868408][ T3662] ? __vmalloc_node_range+0x7e8/0x1130 [ 949.873871][ T3662] __vmalloc_node_range+0xeb5/0x1130 [ 949.879152][ T3662] ? vfree_atomic+0xe0/0xe0 [ 949.883790][ T3662] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 949.889699][ T3662] ? __ldsem_down_read_nested+0x850/0x850 [ 949.895443][ T3662] ? __wake_up_common+0x650/0x650 [ 949.900473][ T3662] ? n_tty_open+0x16/0x170 [ 949.904907][ T3662] vzalloc+0x67/0x80 [ 949.908819][ T3662] ? n_tty_open+0x16/0x170 [ 949.913246][ T3662] n_tty_open+0x16/0x170 [ 949.917505][ T3662] ? n_tty_set_termios+0x1010/0x1010 [ 949.922815][ T3662] tty_ldisc_open+0x9b/0x110 [ 949.927444][ T3662] tty_ldisc_setup+0x43/0x100 [ 949.932139][ T3662] tty_init_dev.part.0+0x1f4/0x610 [ 949.937264][ T3662] tty_open+0xb16/0x1000 [ 949.941524][ T3662] ? tty_init_dev+0x80/0x80 [ 949.946040][ T3662] ? rwlock_bug.part.0+0x90/0x90 [ 949.951019][ T3662] ? tty_init_dev+0x80/0x80 [ 949.955538][ T3662] chrdev_open+0x266/0x770 [ 949.959973][ T3662] ? cdev_device_add+0x210/0x210 [ 949.965180][ T3662] ? fsnotify_perm.part.0+0x22d/0x620 [ 949.970564][ T3662] do_dentry_open+0x4b9/0x1240 [ 949.975344][ T3662] ? cdev_device_add+0x210/0x210 [ 949.980317][ T3662] ? may_open+0x1f6/0x420 [ 949.984652][ T3662] path_openat+0x1c9e/0x2940 [ 949.989261][ T3662] ? path_lookupat+0x860/0x860 [ 949.994295][ T3662] ? mark_lock+0xef/0x17b0 [ 949.998718][ T3662] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 950.004716][ T3662] do_filp_open+0x1aa/0x400 [ 950.009230][ T3662] ? may_open_dev+0xf0/0xf0 [ 950.013753][ T3662] ? rwlock_bug.part.0+0x90/0x90 [ 950.018701][ T3662] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 950.024966][ T3662] ? _find_next_bit+0x1e3/0x260 [ 950.029822][ T3662] ? _raw_spin_unlock+0x24/0x40 [ 950.034680][ T3662] ? alloc_fd+0x2f0/0x670 [ 950.039028][ T3662] do_sys_openat2+0x16d/0x4d0 [ 950.043731][ T3662] ? build_open_flags+0x6f0/0x6f0 [ 950.048790][ T3662] ? __context_tracking_exit+0xb8/0xe0 [ 950.054277][ T3662] ? lock_downgrade+0x6e0/0x6e0 [ 950.059144][ T3662] __x64_sys_openat+0x13f/0x1f0 [ 950.064008][ T3662] ? __ia32_sys_open+0x1c0/0x1c0 [ 950.068974][ T3662] ? syscall_enter_from_user_mode+0x21/0x70 [ 950.074880][ T3662] do_syscall_64+0x35/0xb0 [ 950.079298][ T3662] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 950.085204][ T3662] RIP: 0033:0x7f5f16eac9d7 [ 950.089625][ T3662] Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25 [ 950.109335][ T3662] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 950.117759][ T3662] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 950.125736][ T3662] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 950.133708][ T3662] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 950.141674][ T3662] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 950.149643][ T3662] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 950.157627][ T3662] [ 983.922095][ T3662] Mem-Info: [ 984.222117][ T3662] active_anon:245 inactive_anon:5823 isolated_anon:0 [ 984.222117][ T3662] active_file:3274 inactive_file:8012 isolated_file:0 [ 984.222117][ T3662] unevictable:768 dirty:7 writeback:0 [ 984.222117][ T3662] slab_reclaimable:18017 slab_unreclaimable:81377 [ 984.222117][ T3662] mapped:1915 shmem:1711 pagetables:268 bounce:0 [ 984.222117][ T3662] kernel_misc_reclaimable:0 [ 984.222117][ T3662] free:1513153 free_pcp:10313 free_cma:0 [ 988.322134][ T3662] Node 0 active_anon:968kB inactive_anon:22340kB active_file:13020kB inactive_file:32048kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:7660kB dirty:24kB writeback:0kB shmem:4364kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB kernel_stack:8016kB pagetables:1068kB all_unreclaimable? no [ 991.522095][ T3662] Node 1 active_anon:12kB inactive_anon:932kB active_file:76kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:2480kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:16kB pagetables:4kB all_unreclaimable? no [ 994.422082][ T3662] Node 0 DMA free:15360kB boost:0kB min:200kB low:248kB high:296kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 997.122094][ T3662] lowmem_reserve[]: 0 2645 2645 2645 2645 [ 997.722073][ T3662] Node 0 DMA32 free:2095720kB boost:0kB min:35676kB low:44592kB high:53508kB reserved_highatomic:0KB active_anon:968kB inactive_anon:22360kB active_file:13020kB inactive_file:32048kB unevictable:1536kB writepending:0kB present:3129332kB managed:2716612kB mlocked:0kB bounce:0kB free_pcp:39596kB local_pcp:18800kB free_cma:0kB [ 1000.822114][ T3662] lowmem_reserve[]: 0 0 0 0 0 [ 1001.322076][ T3662] Node 0 Normal free:0kB boost:0kB min:4kB low:4kB high:4kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:400kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1003.922076][ T3662] lowmem_reserve[]: 0 0 0 0 0 [ 1004.422086][ T3662] Node 1 Normal free:3947100kB boost:0kB min:54224kB low:67780kB high:81336kB reserved_highatomic:0KB active_anon:12kB inactive_anon:932kB active_file:76kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4117620kB mlocked:0kB bounce:0kB free_pcp:6868kB local_pcp:6868kB free_cma:0kB [ 1007.422081][ T3662] lowmem_reserve[]: 0 0 0 0 0 [ 1007.822042][ T3662] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB [ 1009.122060][ T3662] Node 0 DMA32: 123*4kB (UME) 84*8kB (UME) 12*16kB (UME) 110*32kB (UME) 39*64kB (UE) 10*128kB (UME) 3*256kB (UME) 2*512kB (UM) 0*1024kB 3*2048kB (UM) 508*4096kB (M) = 2097356kB [ 1010.922082][ T3662] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1012.122089][ T3662] Node 1 Normal: 97*4kB (UME) 25*8kB (UME) 29*16kB (UME) 130*32kB (UME) 48*64kB (UE) 18*128kB (UME) 7*256kB (UE) 3*512kB (UE) 1*1024kB (E) 2*2048kB (UE) 959*4096kB (M) = 3947100kB [ 1013.922032][ T3662] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1014.822085][ T3662] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 1015.822101][ T3662] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1016.822077][ T3662] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 1017.722043][ T3662] 12998 total pagecache pages [ 1018.222063][ T3662] 0 pages in swap cache [ 1018.622084][ T3662] Swap cache stats: add 0, delete 0, find 0/0 [ 1019.222062][ T3662] Free swap = 0kB [ 1019.622040][ T3662] Total swap = 0kB [ 1020.022093][ T3662] 2097051 pages RAM [ 1020.422081][ T3662] 0 pages HighMem/MovableOnly [ 1020.822077][ T3662] 384553 pages reserved [ 1021.322069][ T3662] 0 pages cma reserved [ 1021.722221][ T3662] tty tty29: ldisc open failed (-12), clearing slot 28 [ 1022.522570][ T3663] syz-executor372: vmalloc error: size 4096, page order 0, failed to allocate pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=syz0,mems_allowed=0-1 executing program [ 1024.222135][ T3663] CPU: 1 PID: 3663 Comm: syz-executor372 Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1024.232364][ T3663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1024.242420][ T3663] Call Trace: [ 1024.245714][ T3663] [ 1024.248638][ T3663] dump_stack_lvl+0xcd/0x134 [ 1024.253245][ T3663] warn_alloc.cold+0x9b/0x189 [ 1024.258060][ T3663] ? zone_watermark_ok_safe+0x290/0x290 [ 1024.263605][ T3663] ? __kmalloc_node+0x62/0x390 [ 1024.268371][ T3663] ? __vmalloc_node_range+0x7e8/0x1130 [ 1024.273823][ T3663] __vmalloc_node_range+0xeb5/0x1130 [ 1024.279108][ T3663] ? vfree_atomic+0xe0/0xe0 [ 1024.283598][ T3663] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 1024.289420][ T3663] ? __ldsem_down_read_nested+0x850/0x850 [ 1024.295134][ T3663] ? __wake_up_common+0x650/0x650 [ 1024.300156][ T3663] ? n_tty_open+0x16/0x170 [ 1024.304572][ T3663] vzalloc+0x67/0x80 [ 1024.308463][ T3663] ? n_tty_open+0x16/0x170 [ 1024.312876][ T3663] n_tty_open+0x16/0x170 [ 1024.317147][ T3663] ? n_tty_set_termios+0x1010/0x1010 [ 1024.322427][ T3663] tty_ldisc_open+0x9b/0x110 [ 1024.327019][ T3663] tty_ldisc_setup+0x43/0x100 [ 1024.331705][ T3663] tty_init_dev.part.0+0x1f4/0x610 [ 1024.336823][ T3663] tty_open+0xb16/0x1000 [ 1024.341065][ T3663] ? tty_init_dev+0x80/0x80 [ 1024.345581][ T3663] ? rwlock_bug.part.0+0x90/0x90 [ 1024.350526][ T3663] ? tty_init_dev+0x80/0x80 [ 1024.355067][ T3663] chrdev_open+0x266/0x770 [ 1024.359497][ T3663] ? cdev_device_add+0x210/0x210 [ 1024.364448][ T3663] ? fsnotify_perm.part.0+0x22d/0x620 [ 1024.369829][ T3663] do_dentry_open+0x4b9/0x1240 [ 1024.374598][ T3663] ? cdev_device_add+0x210/0x210 [ 1024.379535][ T3663] ? may_open+0x1f6/0x420 [ 1024.383861][ T3663] path_openat+0x1c9e/0x2940 [ 1024.388459][ T3663] ? path_lookupat+0x860/0x860 [ 1024.393216][ T3663] ? mark_lock+0xef/0x17b0 [ 1024.397626][ T3663] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1024.403609][ T3663] do_filp_open+0x1aa/0x400 [ 1024.408107][ T3663] ? may_open_dev+0xf0/0xf0 [ 1024.412610][ T3663] ? rwlock_bug.part.0+0x90/0x90 [ 1024.417545][ T3663] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1024.423784][ T3663] ? _find_next_bit+0x1e3/0x260 [ 1024.428629][ T3663] ? _raw_spin_unlock+0x24/0x40 [ 1024.433478][ T3663] ? alloc_fd+0x2f0/0x670 [ 1024.437907][ T3663] do_sys_openat2+0x16d/0x4d0 [ 1024.442585][ T3663] ? build_open_flags+0x6f0/0x6f0 [ 1024.447607][ T3663] ? __context_tracking_exit+0xb8/0xe0 [ 1024.453065][ T3663] ? lock_downgrade+0x6e0/0x6e0 [ 1024.457937][ T3663] __x64_sys_openat+0x13f/0x1f0 [ 1024.462791][ T3663] ? __ia32_sys_open+0x1c0/0x1c0 [ 1024.467740][ T3663] ? syscall_enter_from_user_mode+0x21/0x70 [ 1024.473655][ T3663] do_syscall_64+0x35/0xb0 [ 1024.478093][ T3663] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1024.483990][ T3663] RIP: 0033:0x7f5f16eac9d7 [ 1024.488415][ T3663] Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25 [ 1024.508034][ T3663] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1024.516459][ T3663] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1024.524421][ T3663] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1024.532382][ T3663] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1024.540344][ T3663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1024.548322][ T3663] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 1024.556304][ T3663] [ 1058.322070][ T3663] Mem-Info: [ 1058.622092][ T3663] active_anon:248 inactive_anon:5826 isolated_anon:0 [ 1058.622092][ T3663] active_file:3278 inactive_file:8012 isolated_file:0 [ 1058.622092][ T3663] unevictable:768 dirty:8 writeback:0 [ 1058.622092][ T3663] slab_reclaimable:17886 slab_unreclaimable:79945 [ 1058.622092][ T3663] mapped:1915 shmem:1714 pagetables:268 bounce:0 [ 1058.622092][ T3663] kernel_misc_reclaimable:0 [ 1058.622092][ T3663] free:1514010 free_pcp:10978 free_cma:0 [ 1062.822067][ T3663] Node 0 active_anon:980kB inactive_anon:22372kB active_file:13036kB inactive_file:32048kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:7660kB dirty:28kB writeback:0kB shmem:4376kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB kernel_stack:8016kB pagetables:1068kB all_unreclaimable? no [ 1066.022085][ T3663] Node 1 active_anon:12kB inactive_anon:932kB active_file:76kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:2480kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:16kB pagetables:4kB all_unreclaimable? no [ 1068.922061][ T3663] Node 0 DMA free:15360kB boost:0kB min:200kB low:248kB high:296kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1071.722068][ T3663] lowmem_reserve[]: 0 2645 2645 2645 2645 [ 1072.322056][ T3663] Node 0 DMA32 free:2093992kB boost:0kB min:35676kB low:44592kB high:53508kB reserved_highatomic:0KB active_anon:980kB inactive_anon:22372kB active_file:13036kB inactive_file:32048kB unevictable:1536kB writepending:0kB present:3129332kB managed:2716612kB mlocked:0kB bounce:0kB free_pcp:39856kB local_pcp:17924kB free_cma:0kB [ 1075.322065][ T3663] lowmem_reserve[]: 0 0 0 0 0 [ 1075.922089][ T3663] Node 0 Normal free:0kB boost:0kB min:4kB low:4kB high:4kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:400kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1078.622058][ T3663] lowmem_reserve[]: 0 0 0 0 0 [ 1079.122045][ T3663] Node 1 Normal free:3947164kB boost:0kB min:54224kB low:67780kB high:81336kB reserved_highatomic:0KB active_anon:12kB inactive_anon:932kB active_file:76kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4117620kB mlocked:0kB bounce:0kB free_pcp:7028kB local_pcp:0kB free_cma:0kB [ 1082.022055][ T3663] lowmem_reserve[]: 0 0 0 0 0 [ 1082.522054][ T3663] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15360kB [ 1083.722275][ T3663] Node 0 DMA32: 188*4kB (UME) 43*8kB (UME) 20*16kB (UME) 97*32kB (UME) 25*64kB (UME) 9*128kB (UME) 3*256kB (UME) 2*512kB (UM) 0*1024kB 3*2048kB (UM) 508*4096kB (M) = 2095976kB [ 1085.522056][ T3663] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 1086.622078][ T3663] Node 1 Normal: 97*4kB (UME) 25*8kB (UME) 29*16kB (UME) 130*32kB (UME) 49*64kB (UE) 18*128kB (UME) 7*256kB (UE) 3*512kB (UE) 1*1024kB (E) 2*2048kB (UE) 959*4096kB (M) = 3947164kB [ 1088.422116][ T3663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1089.422080][ T3663] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 1090.322064][ T3663] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 1091.322101][ T3663] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 1092.222024][ T3663] 13005 total pagecache pages [ 1092.722086][ T3663] 0 pages in swap cache [ 1093.122109][ T3663] Swap cache stats: add 0, delete 0, find 0/0 [ 1093.822084][ T3663] Free swap = 0kB [ 1094.122091][ T3663] Total swap = 0kB [ 1094.522104][ T3663] 2097051 pages RAM [ 1094.922062][ T3663] 0 pages HighMem/MovableOnly [ 1095.422114][ T3663] 384553 pages reserved [ 1095.822067][ T3663] 0 pages cma reserved [ 1096.322094][ T3663] tty tty21: ldisc open failed (-12), clearing slot 20 [ 1097.122424][ T3664] syz-executor372: vmalloc error: size 4096, page order 0, failed to allocate pages, mode:0xdc0(GFP_KERNEL|__GFP_ZERO), nodemask=(null),cpuset=syz3,mems_allowed=0-1 executing program [ 1098.822142][ T3664] CPU: 0 PID: 3664 Comm: syz-executor372 Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1098.832144][ T3664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1098.842228][ T3664] Call Trace: [ 1098.845504][ T3664] [ 1098.848423][ T3664] dump_stack_lvl+0xcd/0x134 [ 1098.853032][ T3664] warn_alloc.cold+0x9b/0x189 [ 1098.857714][ T3664] ? zone_watermark_ok_safe+0x290/0x290 [ 1098.863361][ T3664] ? __kmalloc_node+0x62/0x390 [ 1098.868133][ T3664] ? __vmalloc_node_range+0x7e8/0x1130 [ 1098.873585][ T3664] __vmalloc_node_range+0xeb5/0x1130 [ 1098.878883][ T3664] ? vfree_atomic+0xe0/0xe0 [ 1098.883394][ T3664] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 1098.889218][ T3664] ? __ldsem_down_read_nested+0x850/0x850 [ 1098.894944][ T3664] ? __wake_up_common+0x650/0x650 [ 1098.899974][ T3664] ? n_tty_open+0x16/0x170 [ 1098.904399][ T3664] vzalloc+0x67/0x80 [ 1098.908296][ T3664] ? n_tty_open+0x16/0x170 [ 1098.912721][ T3664] n_tty_open+0x16/0x170 [ 1098.916975][ T3664] ? n_tty_set_termios+0x1010/0x1010 [ 1098.922269][ T3664] tty_ldisc_open+0x9b/0x110 [ 1098.926871][ T3664] tty_ldisc_setup+0x43/0x100 [ 1098.931559][ T3664] tty_init_dev.part.0+0x1f4/0x610 [ 1098.936679][ T3664] tty_open+0xb16/0x1000 [ 1098.940942][ T3664] ? tty_init_dev+0x80/0x80 [ 1098.945464][ T3664] ? rwlock_bug.part.0+0x90/0x90 [ 1098.950420][ T3664] ? tty_init_dev+0x80/0x80 [ 1098.954932][ T3664] chrdev_open+0x266/0x770 [ 1098.959354][ T3664] ? cdev_device_add+0x210/0x210 [ 1098.964295][ T3664] ? fsnotify_perm.part.0+0x22d/0x620 [ 1098.969681][ T3664] do_dentry_open+0x4b9/0x1240 [ 1098.974463][ T3664] ? cdev_device_add+0x210/0x210 [ 1098.979412][ T3664] ? may_open+0x1f6/0x420 [ 1098.983747][ T3664] path_openat+0x1c9e/0x2940 [ 1098.988442][ T3664] ? path_lookupat+0x860/0x860 [ 1098.993213][ T3664] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1098.999212][ T3664] do_filp_open+0x1aa/0x400 [ 1099.003724][ T3664] ? may_open_dev+0xf0/0xf0 [ 1099.008255][ T3664] ? rwlock_bug.part.0+0x90/0x90 [ 1099.013233][ T3664] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1099.019486][ T3664] ? _find_next_bit+0x1e3/0x260 [ 1099.024340][ T3664] ? _raw_spin_unlock+0x24/0x40 [ 1099.029208][ T3664] ? alloc_fd+0x2f0/0x670 [ 1099.033558][ T3664] do_sys_openat2+0x16d/0x4d0 [ 1099.038250][ T3664] ? build_open_flags+0x6f0/0x6f0 [ 1099.043283][ T3664] ? __context_tracking_exit+0xb8/0xe0 [ 1099.048747][ T3664] ? lock_downgrade+0x6e0/0x6e0 [ 1099.053605][ T3664] __x64_sys_openat+0x13f/0x1f0 [ 1099.058465][ T3664] ? __ia32_sys_open+0x1c0/0x1c0 [ 1099.063416][ T3664] ? syscall_enter_from_user_mode+0x21/0x70 [ 1099.069319][ T3664] do_syscall_64+0x35/0xb0 [ 1099.073734][ T3664] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1099.079639][ T3664] RIP: 0033:0x7f5f16eac9d7 [ 1099.084054][ T3664] Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25 [ 1099.103666][ T3664] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1099.112090][ T3664] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1099.120055][ T3664] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1099.128022][ T3664] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1099.135992][ T3664] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1099.143957][ T3664] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 1099.151940][ T3664] [ 1132.422010][ T3664] Mem-Info: [ 1132.722023][ T3664] active_anon:251 inactive_anon:5829 isolated_anon:0 [ 1132.722023][ T3664] active_file:3281 inactive_file:8012 isolated_file:0 [ 1132.722023][ T3664] unevictable:768 dirty:8 writeback:0 [ 1132.722023][ T3664] slab_reclaimable:17755 slab_unreclaimable:83270 [ 1132.722023][ T3664] mapped:1915 shmem:1717 pagetables:268 bounce:0 [ 1132.722023][ T3664] kernel_misc_reclaimable:0 [ 1132.722023][ T3664] free:1511657 free_pcp:10147 free_cma:0 [ 1136.922031][ T3664] Node 0 active_anon:992kB inactive_anon:22384kB active_file:13048kB inactive_file:32048kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:7660kB dirty:28kB writeback:0kB shmem:4388kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB kernel_stack:8016kB pagetables:1068kB all_unreclaimable? no [ 1140.022038][ T3664] Node 1 active_anon:12kB inactive_anon:932kB active_file:76kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:2480kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:16kB pagetables:4kB all_unreclaimable? no [ 1142.922017][ T3664] Node 0 DMA free:15360kB boost:0kB min:200kB low:248kB high:296kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 1145.622023][ T3664] lowmem_reserve[]: 0 2645 2645 2645 2645 [ 1146.222039][ T3664] Node 0 DMA32 free:2089960kB boost:0kB min:35676kB low:44592kB high:53508kB reserved_highatomic:0KB active_anon:992kB inactive_anon:22384kB active_file:13048kB inactive_file:32048kB unevictable:1536kB writepending:0kB present:3129332kB managed:2716612kB mlocked:0kB bounce:0kB free_pcp:39840kB local_pcp:17764kB free_cma:0kB [ 1146.305407][ T27] INFO: task syz-executor372:3664 can't die for more than 143 seconds. [ 1146.313839][ T27] task:syz-executor372 state:R running task stack:26120 pid: 3664 ppid: 3651 flags:0x00004004 [ 1146.325086][ T27] Call Trace: [ 1146.328516][ T27] [ 1146.331623][ T27] __schedule+0xab2/0x4db0 [ 1146.336093][ T27] ? lockdep_hardirqs_on+0x79/0x100 [ 1146.341311][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1146.347631][ T27] ? io_schedule_timeout+0x180/0x180 [ 1146.352936][ T27] ? lock_release+0x720/0x720 [ 1146.357675][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 1146.363145][ T27] preempt_schedule_common+0x45/0xc0 [ 1146.368492][ T27] preempt_schedule_thunk+0x16/0x18 [ 1146.373707][ T27] ? vprintk_emit+0x1b7/0x4f0 [ 1146.378482][ T27] ? vprintk_emit+0x1c4/0x4f0 [ 1146.383180][ T27] vprintk_emit+0x1c9/0x4f0 [ 1146.387750][ T27] vprintk+0x80/0x90 [ 1146.391833][ T27] _printk+0xba/0xed [ 1146.395845][ T27] ? record_print_text.cold+0x16/0x16 [ 1146.401237][ T27] ? vprintk+0x88/0x90 [ 1146.405365][ T27] ? _printk+0xba/0xed [ 1146.409456][ T27] show_free_areas.cold+0x4aa/0x961 [ 1146.414718][ T27] ? si_meminfo_node+0x220/0x220 [ 1146.419732][ T27] ? vprintk+0x88/0x90 [ 1146.423843][ T27] ? _printk+0xba/0xed [ 1146.428005][ T27] ? record_print_text.cold+0x16/0x16 [ 1146.433416][ T27] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 1146.439223][ T27] ? show_mem+0x1b/0x191 [ 1146.443524][ T27] show_mem+0x31/0x191 [ 1146.447696][ T27] warn_alloc.cold+0x121/0x189 [ 1146.452507][ T27] ? zone_watermark_ok_safe+0x290/0x290 [ 1146.458234][ T27] ? __kmalloc_node+0x62/0x390 [ 1146.463039][ T27] ? __vmalloc_node_range+0x7e8/0x1130 [ 1146.468608][ T27] __vmalloc_node_range+0xeb5/0x1130 [ 1146.473916][ T27] ? vfree_atomic+0xe0/0xe0 [ 1146.478460][ T27] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 1146.484291][ T27] ? __ldsem_down_read_nested+0x850/0x850 [ 1146.490071][ T27] ? __wake_up_common+0x650/0x650 [ 1146.495383][ T27] ? n_tty_open+0x16/0x170 [ 1146.499891][ T27] vzalloc+0x67/0x80 [ 1146.503783][ T27] ? n_tty_open+0x16/0x170 [ 1146.508269][ T27] n_tty_open+0x16/0x170 [ 1146.512531][ T27] ? n_tty_set_termios+0x1010/0x1010 [ 1146.517874][ T27] tty_ldisc_open+0x9b/0x110 [ 1146.522515][ T27] tty_ldisc_setup+0x43/0x100 [ 1146.527273][ T27] tty_init_dev.part.0+0x1f4/0x610 [ 1146.532429][ T27] tty_open+0xb16/0x1000 [ 1146.536722][ T27] ? tty_init_dev+0x80/0x80 [ 1146.541239][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1146.546257][ T27] ? tty_init_dev+0x80/0x80 [ 1146.550851][ T27] chrdev_open+0x266/0x770 [ 1146.555332][ T27] ? cdev_device_add+0x210/0x210 [ 1146.560295][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 1146.565751][ T27] do_dentry_open+0x4b9/0x1240 [ 1146.570547][ T27] ? cdev_device_add+0x210/0x210 [ 1146.575584][ T27] ? may_open+0x1f6/0x420 [ 1146.579938][ T27] path_openat+0x1c9e/0x2940 [ 1146.584533][ T27] ? path_lookupat+0x860/0x860 [ 1146.589356][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1146.595641][ T27] do_filp_open+0x1aa/0x400 [ 1146.600171][ T27] ? may_open_dev+0xf0/0xf0 [ 1146.604680][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1146.609684][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1146.615968][ T27] ? _find_next_bit+0x1e3/0x260 [ 1146.620813][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1146.625884][ T27] ? alloc_fd+0x2f0/0x670 [ 1146.630254][ T27] do_sys_openat2+0x16d/0x4d0 [ 1146.634937][ T27] ? build_open_flags+0x6f0/0x6f0 [ 1146.640034][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 1146.645561][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1146.650423][ T27] __x64_sys_openat+0x13f/0x1f0 [ 1146.655316][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 1146.660279][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1146.666862][ T27] do_syscall_64+0x35/0xb0 [ 1146.671296][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.677270][ T27] RIP: 0033:0x7f5f16eac9d7 [ 1146.681694][ T27] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1146.690195][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1146.698407][ T27] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1146.706465][ T27] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1146.714450][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1146.722496][ T27] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 1146.730660][ T27] [ 1146.733713][ T27] INFO: task syz-executor372:3665 can't die for more than 143 seconds. [ 1146.742169][ T27] task:syz-executor372 state:D stack:28112 pid: 3665 ppid: 3654 flags:0x00000004 [ 1146.751435][ T27] Call Trace: [ 1146.754710][ T27] [ 1146.757686][ T27] __schedule+0xab2/0x4db0 [ 1146.762140][ T27] ? io_schedule_timeout+0x180/0x180 [ 1146.767495][ T27] schedule+0xd2/0x260 [ 1146.771579][ T27] schedule_preempt_disabled+0xf/0x20 [ 1146.776987][ T27] __mutex_lock+0xa32/0x12f0 [ 1146.781602][ T27] ? tty_open+0x55e/0x1000 [ 1146.786135][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 1146.791712][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1146.797379][ T27] tty_open+0x55e/0x1000 [ 1146.801873][ T27] ? chrdev_open+0x58c/0x770 [ 1146.806563][ T27] ? tty_init_dev+0x80/0x80 [ 1146.811128][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1146.816131][ T27] ? tty_init_dev+0x80/0x80 [ 1146.820649][ T27] chrdev_open+0x266/0x770 [ 1146.825091][ T27] ? cdev_device_add+0x210/0x210 [ 1146.830115][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 1146.835546][ T27] do_dentry_open+0x4b9/0x1240 [ 1146.840349][ T27] ? cdev_device_add+0x210/0x210 [ 1146.845365][ T27] ? may_open+0x1f6/0x420 [ 1146.849712][ T27] path_openat+0x1c9e/0x2940 [ 1146.854308][ T27] ? path_lookupat+0x860/0x860 [ 1146.859115][ T27] ? mark_lock+0xef/0x17b0 [ 1146.863986][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1146.870127][ T27] do_filp_open+0x1aa/0x400 [ 1146.874657][ T27] ? may_open_dev+0xf0/0xf0 [ 1146.879325][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1146.884293][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1146.890627][ T27] ? _find_next_bit+0x1e3/0x260 [ 1146.895531][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1146.900391][ T27] ? alloc_fd+0x2f0/0x670 [ 1146.904912][ T27] do_sys_openat2+0x16d/0x4d0 [ 1146.909705][ T27] ? build_open_flags+0x6f0/0x6f0 [ 1146.914758][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 1146.920424][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1146.925359][ T27] __x64_sys_openat+0x13f/0x1f0 [ 1146.930230][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 1146.935247][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1146.941173][ T27] do_syscall_64+0x35/0xb0 [ 1146.945677][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1146.951598][ T27] RIP: 0033:0x7f5f16eac9d7 [ 1146.956083][ T27] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1146.964517][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1146.972578][ T27] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1146.980677][ T27] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1146.988712][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1146.996725][ T27] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 1147.004914][ T27] [ 1147.008022][ T27] INFO: task syz-executor372:3665 blocked for more than 144 seconds. [ 1147.016129][ T27] Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1147.023337][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1147.032235][ T27] task:syz-executor372 state:D stack:28112 pid: 3665 ppid: 3654 flags:0x00000004 [ 1147.041497][ T27] Call Trace: [ 1147.044797][ T27] [ 1147.047788][ T27] __schedule+0xab2/0x4db0 [ 1147.052274][ T27] ? io_schedule_timeout+0x180/0x180 [ 1147.057639][ T27] schedule+0xd2/0x260 [ 1147.061725][ T27] schedule_preempt_disabled+0xf/0x20 [ 1147.067294][ T27] __mutex_lock+0xa32/0x12f0 [ 1147.072531][ T27] ? tty_open+0x55e/0x1000 [ 1147.077045][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 1147.082757][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1147.088515][ T27] tty_open+0x55e/0x1000 [ 1147.092793][ T27] ? chrdev_open+0x58c/0x770 [ 1147.097443][ T27] ? tty_init_dev+0x80/0x80 [ 1147.101994][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1147.107267][ T27] ? tty_init_dev+0x80/0x80 [ 1147.112046][ T27] chrdev_open+0x266/0x770 [ 1147.116614][ T27] ? cdev_device_add+0x210/0x210 [ 1147.121709][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 1147.127234][ T27] do_dentry_open+0x4b9/0x1240 [ 1147.132132][ T27] ? cdev_device_add+0x210/0x210 [ 1147.137148][ T27] ? may_open+0x1f6/0x420 [ 1147.141556][ T27] path_openat+0x1c9e/0x2940 [ 1147.146256][ T27] ? path_lookupat+0x860/0x860 [ 1147.151113][ T27] ? mark_lock+0xef/0x17b0 [ 1147.155585][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1147.161593][ T27] do_filp_open+0x1aa/0x400 [ 1147.166189][ T27] ? may_open_dev+0xf0/0xf0 [ 1147.170728][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1147.175726][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1147.181987][ T27] ? _find_next_bit+0x1e3/0x260 [ 1147.186975][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1147.191860][ T27] ? alloc_fd+0x2f0/0x670 [ 1147.196280][ T27] do_sys_openat2+0x16d/0x4d0 [ 1147.200987][ T27] ? build_open_flags+0x6f0/0x6f0 [ 1147.206095][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 1147.211833][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1147.216759][ T27] __x64_sys_openat+0x13f/0x1f0 [ 1147.221853][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 1147.226871][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1147.232792][ T27] do_syscall_64+0x35/0xb0 [ 1147.237294][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.243209][ T27] RIP: 0033:0x7f5f16eac9d7 [ 1147.247678][ T27] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1147.256172][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1147.264225][ T27] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1147.272257][ T27] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1147.280284][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1147.288298][ T27] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 1147.296478][ T27] [ 1147.299533][ T27] INFO: task syz-executor372:3666 can't die for more than 144 seconds. [ 1147.308022][ T27] task:syz-executor372 state:D stack:27696 pid: 3666 ppid: 3653 flags:0x00000004 [ 1147.317565][ T27] Call Trace: [ 1147.320861][ T27] [ 1147.323844][ T27] __schedule+0xab2/0x4db0 [ 1147.328357][ T27] ? io_schedule_timeout+0x180/0x180 [ 1147.333666][ T27] schedule+0xd2/0x260 [ 1147.337776][ T27] schedule_preempt_disabled+0xf/0x20 [ 1147.343159][ T27] __mutex_lock+0xa32/0x12f0 [ 1147.347827][ T27] ? tty_open+0x55e/0x1000 [ 1147.352285][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 1147.357938][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1147.363502][ T27] tty_open+0x55e/0x1000 [ 1147.367815][ T27] ? chrdev_open+0x58c/0x770 [ 1147.372437][ T27] ? tty_init_dev+0x80/0x80 [ 1147.377020][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1147.381991][ T27] ? tty_init_dev+0x80/0x80 [ 1147.386576][ T27] chrdev_open+0x266/0x770 [ 1147.391126][ T27] ? cdev_device_add+0x210/0x210 [ 1147.396113][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 1147.401530][ T27] do_dentry_open+0x4b9/0x1240 [ 1147.406467][ T27] ? cdev_device_add+0x210/0x210 [ 1147.411431][ T27] ? may_open+0x1f6/0x420 [ 1147.416037][ T27] path_openat+0x1c9e/0x2940 [ 1147.420660][ T27] ? path_lookupat+0x860/0x860 [ 1147.425587][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1147.431611][ T27] do_filp_open+0x1aa/0x400 [ 1147.436179][ T27] ? may_open_dev+0xf0/0xf0 [ 1147.440716][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1147.445740][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1147.452000][ T27] ? _find_next_bit+0x1e3/0x260 [ 1147.456901][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1147.461771][ T27] ? alloc_fd+0x2f0/0x670 [ 1147.466172][ T27] do_sys_openat2+0x16d/0x4d0 [ 1147.470873][ T27] ? build_open_flags+0x6f0/0x6f0 [ 1147.475956][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 1147.481438][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1147.486361][ T27] __x64_sys_openat+0x13f/0x1f0 [ 1147.491233][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 1147.496220][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1147.502141][ T27] do_syscall_64+0x35/0xb0 [ 1147.506721][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.512646][ T27] RIP: 0033:0x7f5f16eac9d7 [ 1147.517310][ T27] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1147.525791][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1147.533765][ T27] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1147.541789][ T27] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1147.549921][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1147.557954][ T27] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 1147.566029][ T27] [ 1147.569056][ T27] INFO: task syz-executor372:3666 blocked for more than 144 seconds. [ 1147.577151][ T27] Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1147.584381][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1147.593306][ T27] task:syz-executor372 state:D stack:27696 pid: 3666 ppid: 3653 flags:0x00000004 [ 1147.602563][ T27] Call Trace: [ 1147.605895][ T27] [ 1147.608835][ T27] __schedule+0xab2/0x4db0 [ 1147.613258][ T27] ? io_schedule_timeout+0x180/0x180 [ 1147.618780][ T27] schedule+0xd2/0x260 [ 1147.622899][ T27] schedule_preempt_disabled+0xf/0x20 [ 1147.628337][ T27] __mutex_lock+0xa32/0x12f0 [ 1147.632945][ T27] ? tty_open+0x55e/0x1000 [ 1147.637407][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 1147.642980][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1147.648601][ T27] tty_open+0x55e/0x1000 [ 1147.652860][ T27] ? chrdev_open+0x58c/0x770 [ 1147.659272][ T27] ? tty_init_dev+0x80/0x80 [ 1147.664138][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1147.669171][ T27] ? tty_init_dev+0x80/0x80 [ 1147.674087][ T27] chrdev_open+0x266/0x770 [ 1147.678597][ T27] ? cdev_device_add+0x210/0x210 [ 1147.683563][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 1147.689044][ T27] do_dentry_open+0x4b9/0x1240 [ 1147.693842][ T27] ? cdev_device_add+0x210/0x210 [ 1147.698843][ T27] ? may_open+0x1f6/0x420 [ 1147.703195][ T27] path_openat+0x1c9e/0x2940 [ 1147.707989][ T27] ? path_lookupat+0x860/0x860 [ 1147.712812][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1147.718976][ T27] do_filp_open+0x1aa/0x400 [ 1147.723725][ T27] ? may_open_dev+0xf0/0xf0 [ 1147.728335][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1147.733300][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1147.739755][ T27] ? _find_next_bit+0x1e3/0x260 [ 1147.744655][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1147.749602][ T27] ? alloc_fd+0x2f0/0x670 [ 1147.753965][ T27] do_sys_openat2+0x16d/0x4d0 [ 1147.758687][ T27] ? build_open_flags+0x6f0/0x6f0 [ 1147.763732][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 1147.769258][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1147.774131][ T27] __x64_sys_openat+0x13f/0x1f0 [ 1147.779328][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 1147.784297][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1147.790292][ T27] do_syscall_64+0x35/0xb0 [ 1147.794725][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1147.800691][ T27] RIP: 0033:0x7f5f16eac9d7 [ 1147.805127][ T27] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1147.813680][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1147.821715][ T27] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1147.829969][ T27] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1147.838218][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1147.846438][ T27] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000000 [ 1147.854535][ T27] [ 1147.857811][ T27] INFO: task syz-executor372:3671 can't die for more than 144 seconds. [ 1147.866256][ T27] task:syz-executor372 state:D stack:28112 pid: 3671 ppid: 3652 flags:0x00000004 [ 1147.875685][ T27] Call Trace: [ 1147.878962][ T27] [ 1147.881890][ T27] __schedule+0xab2/0x4db0 [ 1147.886823][ T27] ? io_schedule_timeout+0x180/0x180 [ 1147.892133][ T27] schedule+0xd2/0x260 [ 1147.896503][ T27] schedule_preempt_disabled+0xf/0x20 [ 1147.901877][ T27] __mutex_lock+0xa32/0x12f0 [ 1147.906861][ T27] ? tty_open+0x55e/0x1000 [ 1147.911342][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 1147.917228][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1147.922821][ T27] tty_open+0x55e/0x1000 [ 1147.927833][ T27] ? chrdev_open+0x114/0x770 [ 1147.932464][ T27] ? tty_init_dev+0x80/0x80 [ 1147.937120][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1147.942110][ T27] ? tty_init_dev+0x80/0x80 [ 1147.946701][ T27] chrdev_open+0x266/0x770 [ 1147.951136][ T27] ? cdev_device_add+0x210/0x210 [ 1147.956229][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 1147.961635][ T27] do_dentry_open+0x4b9/0x1240 [ 1147.966461][ T27] ? cdev_device_add+0x210/0x210 [ 1147.971541][ T27] ? may_open+0x1f6/0x420 [ 1147.975979][ T27] path_openat+0x1c9e/0x2940 [ 1147.980602][ T27] ? path_lookupat+0x860/0x860 [ 1147.985477][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1147.991484][ T27] do_filp_open+0x1aa/0x400 [ 1147.996098][ T27] ? may_open_dev+0xf0/0xf0 [ 1148.000628][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1148.005625][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1148.011892][ T27] ? _find_next_bit+0x1e3/0x260 [ 1148.017028][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1148.021909][ T27] ? alloc_fd+0x2f0/0x670 [ 1148.026330][ T27] do_sys_openat2+0x16d/0x4d0 [ 1148.031706][ T27] ? build_open_flags+0x6f0/0x6f0 [ 1148.036870][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 1148.042365][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1148.047504][ T27] __x64_sys_openat+0x13f/0x1f0 [ 1148.052400][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 1148.057483][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1148.063419][ T27] do_syscall_64+0x35/0xb0 [ 1148.068051][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.073976][ T27] RIP: 0033:0x7f5f16eac9d7 [ 1148.078552][ T27] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1148.087017][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1148.094986][ T27] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1148.103060][ T27] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1148.111158][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1148.119392][ T27] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000001 [ 1148.127562][ T27] [ 1148.131854][ T27] INFO: task syz-executor372:3671 blocked for more than 145 seconds. [ 1148.140097][ T27] Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1148.147342][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1148.156247][ T27] task:syz-executor372 state:D stack:28112 pid: 3671 ppid: 3652 flags:0x00000004 [ 1148.165632][ T27] Call Trace: [ 1148.168931][ T27] [ 1148.171856][ T27] __schedule+0xab2/0x4db0 [ 1148.176395][ T27] ? io_schedule_timeout+0x180/0x180 [ 1148.181706][ T27] schedule+0xd2/0x260 [ 1148.185849][ T27] schedule_preempt_disabled+0xf/0x20 [ 1148.191342][ T27] __mutex_lock+0xa32/0x12f0 [ 1148.196131][ T27] ? tty_open+0x55e/0x1000 [ 1148.200581][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 1148.206213][ T27] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1148.211782][ T27] tty_open+0x55e/0x1000 [ 1148.216137][ T27] ? chrdev_open+0x114/0x770 [ 1148.220753][ T27] ? tty_init_dev+0x80/0x80 [ 1148.225573][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1148.230553][ T27] ? tty_init_dev+0x80/0x80 [ 1148.236513][ T27] chrdev_open+0x266/0x770 [ 1148.240961][ T27] ? cdev_device_add+0x210/0x210 [ 1148.245961][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 1148.251480][ T27] do_dentry_open+0x4b9/0x1240 [ 1148.256423][ T27] ? cdev_device_add+0x210/0x210 [ 1148.261388][ T27] ? may_open+0x1f6/0x420 [ 1148.265782][ T27] path_openat+0x1c9e/0x2940 [ 1148.270393][ T27] ? path_lookupat+0x860/0x860 [ 1148.275275][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 1148.281284][ T27] do_filp_open+0x1aa/0x400 [ 1148.285926][ T27] ? may_open_dev+0xf0/0xf0 [ 1148.290458][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 1148.295514][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 1148.301781][ T27] ? _find_next_bit+0x1e3/0x260 [ 1148.306850][ T27] ? _raw_spin_unlock+0x24/0x40 [ 1148.311733][ T27] ? alloc_fd+0x2f0/0x670 [ 1148.316282][ T27] do_sys_openat2+0x16d/0x4d0 [ 1148.320992][ T27] ? build_open_flags+0x6f0/0x6f0 [ 1148.326109][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 1148.331595][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 1148.337333][ T27] __x64_sys_openat+0x13f/0x1f0 [ 1148.342244][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 1148.347299][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 1148.353222][ T27] do_syscall_64+0x35/0xb0 [ 1148.357686][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 1148.364066][ T27] RIP: 0033:0x7f5f16eac9d7 [ 1148.368530][ T27] RSP: 002b:00007ffe798c0ac0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1148.377038][ T27] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5f16eac9d7 [ 1148.385003][ T27] RDX: 0000000000000002 RSI: 00007ffe798c0b50 RDI: 00000000ffffff9c [ 1148.393049][ T27] RBP: 00007ffe798c0b50 R08: 0000000000000000 R09: 000000000000000e [ 1148.401101][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 1148.409177][ T27] R13: 00007ffe798c0c10 R14: 00007ffe798c0c50 R15: 0000000000000001 [ 1148.417200][ T27] [ 1148.420238][ T27] [ 1148.420238][ T27] Showing all locks held in the system: [ 1148.428469][ T27] 1 lock held by khungtaskd/27: [ 1148.433338][ T27] #0: ffffffff8bb83a60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 1148.443972][ T27] 2 locks held by getty/3274: [ 1148.448778][ T27] #0: ffff88814abb0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 1148.458615][ T27] #1: ffffc90002b562e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 [ 1148.468780][ T27] 3 locks held by syz-executor372/3664: [ 1148.474367][ T27] 1 lock held by syz-executor372/3665: [ 1148.479876][ T27] #0: ffffffff8c5b60c8 (tty_mutex){+.+.}-{3:3}, at: tty_open+0x55e/0x1000 [ 1148.488557][ T27] 1 lock held by syz-executor372/3666: [ 1148.494001][ T27] #0: ffffffff8c5b60c8 (tty_mutex){+.+.}-{3:3}, at: tty_open+0x55e/0x1000 [ 1148.502728][ T27] 1 lock held by syz-executor372/3671: [ 1148.508442][ T27] #0: ffffffff8c5b60c8 (tty_mutex){+.+.}-{3:3}, at: tty_open+0x55e/0x1000 [ 1148.517156][ T27] 1 lock held by syz-executor372/3680: [ 1148.522649][ T27] #0: ffffffff8c5b60c8 (tty_mutex){+.+.}-{3:3}, at: tty_open+0x55e/0x1000 [ 1148.531313][ T27] 1 lock held by syz-executor372/3683: [ 1148.536806][ T27] #0: ffffffff8c5b60c8 (tty_mutex){+.+.}-{3:3}, at: tty_open+0x55e/0x1000 [ 1148.545826][ T27] [ 1148.548168][ T27] ============================================= [ 1148.548168][ T27] [ 1148.556858][ T27] NMI backtrace for cpu 0 [ 1148.561187][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1148.570556][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1148.580608][ T27] Call Trace: [ 1148.583885][ T27] [ 1148.586815][ T27] dump_stack_lvl+0xcd/0x134 [ 1148.591417][ T27] nmi_cpu_backtrace.cold+0x47/0x144 [ 1148.596712][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 1148.601983][ T27] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 1148.608013][ T27] watchdog+0xcb7/0xed0 [ 1148.612188][ T27] ? trace_sched_process_hang+0x280/0x280 [ 1148.617922][ T27] kthread+0x2e9/0x3a0 [ 1148.622088][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 1148.627738][ T27] ret_from_fork+0x1f/0x30 [ 1148.632175][ T27] [ 1148.635418][ T27] Sending NMI from CPU 0 to CPUs 1: [ 1148.640647][ C1] NMI backtrace for cpu 1 [ 1148.640658][ C1] CPU: 1 PID: 3668 Comm: kworker/u4:6 Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1148.640680][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1148.640694][ C1] Workqueue: events_unbound toggle_allocation_gate [ 1148.640728][ C1] RIP: 0010:lock_release+0x217/0x720 [ 1148.640757][ C1] Code: e8 6e 08 ff ff 48 85 c0 48 89 c3 0f 84 85 03 00 00 48 8d 78 24 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 94 04 00 00 8b [ 1148.640775][ C1] RSP: 0018:ffffc900028bf920 EFLAGS: 00000807 [ 1148.640790][ C1] RAX: dffffc0000000000 RBX: ffff88801f760b30 RCX: ffffc900028bf970 [ 1148.640804][ C1] RDX: 0000000000000000 RSI: ffff888010db6138 RDI: ffff88801f760b54 [ 1148.640818][ C1] RBP: 1ffff92000517f26 R08: 0000000000000000 R09: 0000000000000000 [ 1148.640830][ C1] R10: 0000000000000001 R11: 000000000000003f R12: ffff888010db6138 [ 1148.640843][ C1] R13: 0000000000000006 R14: ffff88801f760a60 R15: ffff88801f760000 [ 1148.640856][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 1148.640873][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1148.640886][ C1] CR2: 00007f80cab3f680 CR3: 000000000b88e000 CR4: 00000000003506e0 [ 1148.640899][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1148.640911][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1148.640924][ C1] Call Trace: [ 1148.640929][ C1] [ 1148.640935][ C1] ? __text_poke+0x5d4/0x8c0 [ 1148.641022][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 1148.641049][ C1] ? mark_held_locks+0x9f/0xe0 [ 1148.641075][ C1] ? __kmalloc_node_track_caller+0xcd/0x360 [ 1148.641097][ C1] ? __kmalloc_node_track_caller+0xcd/0x360 [ 1148.641119][ C1] _raw_spin_unlock+0x12/0x40 [ 1148.641150][ C1] __text_poke+0x5d4/0x8c0 [ 1148.641178][ C1] ? text_poke_loc_init+0x450/0x450 [ 1148.641207][ C1] ? __kmalloc_node_track_caller+0xcd/0x360 [ 1148.641230][ C1] text_poke_bp_batch+0x2c3/0x4e0 [ 1148.641257][ C1] ? __kmalloc_node_track_caller+0xcd/0x360 [ 1148.641297][ C1] ? alternatives_enable_smp+0xf0/0xf0 [ 1148.641325][ C1] ? __jump_label_patch+0xdf/0x1b0 [ 1148.641352][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 1148.641385][ C1] ? __jump_label_update+0x351/0x400 [ 1148.641440][ C1] text_poke_finish+0x16/0x30 [ 1148.641467][ C1] arch_jump_label_transform_apply+0x13/0x20 [ 1148.641492][ C1] jump_label_update+0x1da/0x400 [ 1148.641516][ C1] static_key_disable_cpuslocked+0x152/0x1b0 [ 1148.641542][ C1] static_key_disable+0x16/0x20 [ 1148.641564][ C1] toggle_allocation_gate+0x183/0x390 [ 1148.641592][ C1] ? lock_release+0x720/0x720 [ 1148.641618][ C1] ? wake_up_kfence_timer+0x20/0x20 [ 1148.641645][ C1] ? preempt_schedule_common+0x59/0xc0 [ 1148.641673][ C1] process_one_work+0x996/0x1610 [ 1148.641699][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 1148.641723][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 1148.641750][ C1] ? _raw_spin_lock_irq+0x41/0x50 [ 1148.641781][ C1] worker_thread+0x665/0x1080 [ 1148.641805][ C1] ? __kthread_parkme+0x15f/0x220 [ 1148.641834][ C1] ? process_one_work+0x1610/0x1610 [ 1148.641855][ C1] kthread+0x2e9/0x3a0 [ 1148.641883][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 1148.641915][ C1] ret_from_fork+0x1f/0x30 [ 1148.641948][ C1] [ 1148.641955][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.308 msecs [ 1148.642764][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 1148.983955][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc2-next-20220202-syzkaller #0 [ 1148.993325][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1149.003374][ T27] Call Trace: [ 1149.006653][ T27] [ 1149.009577][ T27] dump_stack_lvl+0xcd/0x134 [ 1149.014178][ T27] panic+0x2b0/0x605 [ 1149.018118][ T27] ? __warn_printk+0xf3/0xf3 [ 1149.022719][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 1149.027917][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 1149.033299][ T27] ? nmi_trigger_cpumask_backtrace+0x1c9/0x230 [ 1149.039468][ T27] ? watchdog.cold+0x1b9/0x1de [ 1149.044243][ T27] watchdog.cold+0x1ca/0x1de [ 1149.048845][ T27] ? trace_sched_process_hang+0x280/0x280 [ 1149.054595][ T27] kthread+0x2e9/0x3a0 [ 1149.058677][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 1149.064343][ T27] ret_from_fork+0x1f/0x30 [ 1149.068776][ T27] [ 1149.071982][ T27] Kernel Offset: disabled [ 1149.076311][ T27] Rebooting in 86400 seconds..