program:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/test\x00', 0x7e6)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x163a42, 0x8) (async)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x163a42, 0x8)
write(r0, &(0x7f0000000180)='10000', 0x5)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu/test/memory.oom_control\x00', 0x20042, 0x0) (async)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./cgroup.cpu/test/memory.oom_control\x00', 0x20042, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='0', 0x1)
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_configfs\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) (async)
mount(0x0, &(0x7f0000000100)='./my_configfs\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000900)='./my_configfs/dlm/cluster1\x00', 0x1ff)
mkdir(&(0x7f0000000d00)='./my_configfs/dlm/cluster1/comms/1\x00', 0x1ff)
mkdir(&(0x7f0000001700)='./my_configfs/dlm/cluster1/spaces/ls1\x00', 0x1ff)
mkdir(&(0x7f0000001900)='./my_configfs/dlm/cluster1/spaces/ls1/nodes/1\x00', 0x1ff) (async)
mkdir(&(0x7f0000001900)='./my_configfs/dlm/cluster1/spaces/ls1/nodes/1\x00', 0x1ff)
unshare(0x20000)
[ 93.818199][ T4640] Bluetooth: hci0: command tx timeout
[ 93.908263][ T5316] oom_control is deprecated and will be removed. Please report your usecase to linux-mm-@kvack.org if you depend on this functionality.
[ 93.977124][ T5317] dlm: closing connection to node 1
[ 93.980278][ T5317] ------------[ cut here ]------------
[ 93.983192][ T5317] !con
[ 93.983203][ T5317] WARNING: fs/dlm/lowcomms.c:1455 at dlm_lowcomms_close+0x12d/0x440, CPU#0: syz.0.0/5317
[ 93.988731][ T5317] Modules linked in:
[ 93.991112][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 93.994877][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 93.999061][ T5317] RIP: 0010:dlm_lowcomms_close+0x12d/0x440
[ 94.001563][ T5317] Code: d9 9c 9e 00 eb a6 44 89 e1 80 e1 07 80 c1 03 38 c1 7c ac 4c 89 e7 e8 82 d1 0d 01 eb a2 e8 bb 9c 9e 00 eb 05 e8 b4 9c 9e 00 90 <0f> 0b 90 44 89 f7 e8 b8 16 56 01 b8 fe ff ff ff 48 83 c4 20 5b 41
[ 94.009705][ T5317] RSP: 0018:ffffc9000f6afba8 EFLAGS: 00010293
[ 94.012250][ T5317] RAX: ffffffff812874f5 RBX: 0000000000000001 RCX: ffff8880342eca80
[ 94.015812][ T5317] RDX: 0000000000000000 RSI: ffffffff8e4b0c12 RDI: ffffffff8c4bce80
[ 94.019235][ T5317] RBP: dffffc0000000000 R08: 0000000000000004 R09: ffffffff9694b960
[ 94.022458][ T5317] R10: 00000000c8dfba20 R11: 000000002caa1268 R12: 1ffff92001ed5f94
[ 94.025882][ T5317] R13: ffffffff81287428 R14: 0000000000000000 R15: 0000000000000000
[ 94.029391][ T5317] FS: 00007fc3f359b6c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000
[ 94.033225][ T5317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.036218][ T5317] CR2: 0000200000001700 CR3: 000000001fbc1000 CR4: 0000000000352ef0
[ 94.039787][ T5317] Call Trace:
[ 94.041303][ T5317]
[ 94.042669][ T5317] ? dlm_midcomms_close+0x3a9/0x4c0
[ 94.044890][ T5317] ? dlm_midcomms_close+0x4b/0x4c0
[ 94.047233][ T5317] drop_comm+0x61/0x190
[ 94.049065][ T5317] ? client_drop_item+0x87/0xc0
[ 94.051181][ T5317] configfs_mkdir+0x7e9/0x9e0
[ 94.053286][ T5317] ? __pfx_configfs_mkdir+0x10/0x10
[ 94.055702][ T5317] ? generic_permission+0x2bf/0x670
[ 94.058011][ T5317] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 94.060239][ T5317] vfs_mkdir+0x406/0x620
[ 94.062090][ T5317] filename_mkdirat+0x285/0x510
[ 94.064206][ T5317] ? __pfx_filename_mkdirat+0x10/0x10
[ 94.066926][ T5317] ? do_getname+0x151/0x250
[ 94.069191][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.071781][ T5317] __se_sys_mkdir+0x34/0x150
[ 94.073727][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.076697][ T5317] do_syscall_64+0x174/0x580
[ 94.078875][ T5317] ? trace_irq_disable+0x3b/0x140
[ 94.081167][ T5317] ? clear_bhb_loop+0x70/0xc0
[ 94.083288][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.085997][ T5317] RIP: 0033:0x7fc3f279e0d9
[ 94.087986][ T5317] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 94.096384][ T5317] RSP: 002b:00007fc3f359afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 94.100006][ T5317] RAX: ffffffffffffffda RBX: 00007fc3f2a26090 RCX: 00007fc3f279e0d9
[ 94.103536][ T5317] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000200000000d00
[ 94.107073][ T5317] RBP: 00007fc3f2835024 R08: 0000000000000000 R09: 0000000000000000
[ 94.110456][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.113963][ T5317] R13: 00007fc3f2a26128 R14: 00007fc3f2a26090 R15: 00007ffd9d98e018
[ 94.117456][ T5317]
[ 94.118928][ T5317] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 94.122019][ T5317] CPU: 0 UID: 0 PID: 5317 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.125837][ T5317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.130323][ T5317] Call Trace:
[ 94.131844][ T5317]
[ 94.133191][ T5317] vpanic+0x56c/0xa60
[ 94.135000][ T5317] ? __pfx__printk+0x10/0x10
[ 94.137036][ T5317] ? __pfx_vpanic+0x10/0x10
[ 94.139058][ T5317] ? is_bpf_text_address+0x292/0x2b0
[ 94.141394][ T5317] ? is_bpf_text_address+0x26/0x2b0
[ 94.143728][ T5317] panic+0xc5/0xd0
[ 94.145397][ T5317] ? __pfx_panic+0x10/0x10
[ 94.147372][ T5317] __warn+0x315/0x4c0
[ 94.149119][ T5317] ? dlm_lowcomms_close+0x12d/0x440
[ 94.151411][ T5317] ? dlm_lowcomms_close+0x12d/0x440
[ 94.153773][ T5317] __report_bug+0x276/0x570
[ 94.155835][ T5317] ? dlm_lowcomms_close+0x12d/0x440
[ 94.158131][ T5317] ? __pfx___report_bug+0x10/0x10
[ 94.160311][ T5317] ? lockdep_unlock+0x5d/0xd0
[ 94.162330][ T5317] ? __lock_acquire+0x13e8/0x2cf0
[ 94.164538][ T5317] ? dlm_lowcomms_close+0x12d/0x440
[ 94.166854][ T5317] report_bug+0x16a/0x220
[ 94.168817][ T5317] ? dlm_lowcomms_close+0x12d/0x440
[ 94.171050][ T5317] ? dlm_lowcomms_close+0x12f/0x440
[ 94.173285][ T5317] handle_bug+0x9c/0x200
[ 94.175220][ T5317] exc_invalid_op+0x1a/0x50
[ 94.177239][ T5317] asm_exc_invalid_op+0x1a/0x20
[ 94.179385][ T5317] RIP: 0010:dlm_lowcomms_close+0x12d/0x440
[ 94.181993][ T5317] Code: d9 9c 9e 00 eb a6 44 89 e1 80 e1 07 80 c1 03 38 c1 7c ac 4c 89 e7 e8 82 d1 0d 01 eb a2 e8 bb 9c 9e 00 eb 05 e8 b4 9c 9e 00 90 <0f> 0b 90 44 89 f7 e8 b8 16 56 01 b8 fe ff ff ff 48 83 c4 20 5b 41
[ 94.190206][ T5317] RSP: 0018:ffffc9000f6afba8 EFLAGS: 00010293
[ 94.192909][ T5317] RAX: ffffffff812874f5 RBX: 0000000000000001 RCX: ffff8880342eca80
[ 94.196393][ T5317] RDX: 0000000000000000 RSI: ffffffff8e4b0c12 RDI: ffffffff8c4bce80
[ 94.199910][ T5317] RBP: dffffc0000000000 R08: 0000000000000004 R09: ffffffff9694b960
[ 94.203411][ T5317] R10: 00000000c8dfba20 R11: 000000002caa1268 R12: 1ffff92001ed5f94
[ 94.206886][ T5317] R13: ffffffff81287428 R14: 0000000000000000 R15: 0000000000000000
[ 94.210338][ T5317] ? dlm_lowcomms_close+0x58/0x440
[ 94.212594][ T5317] ? dlm_lowcomms_close+0x125/0x440
[ 94.214855][ T5317] ? dlm_lowcomms_close+0x125/0x440
[ 94.217158][ T5317] ? dlm_midcomms_close+0x3a9/0x4c0
[ 94.219398][ T5317] ? dlm_midcomms_close+0x4b/0x4c0
[ 94.221558][ T5317] drop_comm+0x61/0x190
[ 94.223378][ T5317] ? client_drop_item+0x87/0xc0
[ 94.225532][ T5317] configfs_mkdir+0x7e9/0x9e0
[ 94.227645][ T5317] ? __pfx_configfs_mkdir+0x10/0x10
[ 94.229942][ T5317] ? generic_permission+0x2bf/0x670
[ 94.232283][ T5317] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 94.234567][ T5317] vfs_mkdir+0x406/0x620
[ 94.236482][ T5317] filename_mkdirat+0x285/0x510
[ 94.238683][ T5317] ? __pfx_filename_mkdirat+0x10/0x10
[ 94.240984][ T5317] ? do_getname+0x151/0x250
[ 94.243057][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.245718][ T5317] __se_sys_mkdir+0x34/0x150
[ 94.247738][ T5317] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.250413][ T5317] do_syscall_64+0x174/0x580
[ 94.252491][ T5317] ? trace_irq_disable+0x3b/0x140
[ 94.254848][ T5317] ? clear_bhb_loop+0x70/0xc0
[ 94.256949][ T5317] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.259583][ T5317] RIP: 0033:0x7fc3f279e0d9
[ 94.261585][ T5317] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
[ 94.269894][ T5317] RSP: 002b:00007fc3f359afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 94.273603][ T5317] RAX: ffffffffffffffda RBX: 00007fc3f2a26090 RCX: 00007fc3f279e0d9
[ 94.277052][ T5317] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000200000000d00
[ 94.280494][ T5317] RBP: 00007fc3f2835024 R08: 0000000000000000 R09: 0000000000000000
[ 94.283989][ T5317] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.287472][ T5317] R13: 00007fc3f2a26128 R14: 00007fc3f2a26090 R15: 00007ffd9d98e018
[ 94.290930][ T5317]
[ 94.292743][ T5317] Kernel Offset: disabled
[ 94.294658][ T5317] Rebooting in 86400 seconds..