program:
r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000180), 0x129341, 0x0)
syz_kvm_setup_syzos_vm$x86(r0, &(0x7f0000bff000/0x400000)=nil) (async)
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f00000007c0)='./file0\x00', 0x400c84, &(0x7f0000000340), 0x1, 0x786, &(0x7f0000001900)="$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") (async)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt(r1, 0x0, 0x40, &(0x7f0000000000)="6e617400000000000000000000000000000000000000000000000000000000001b000000050000002003000000000000980000000000000030010000c801000000000000980000000000000030010000880200000500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007000980000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007000980000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007000980000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007000c00000000000000000000000000000000000000000005000534e4154000000000000000000000000000000000000000000000000000201000000c0a80101000000000000000000000000c0a801010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007000980000000000000000000000000000000000000000002800000000000000000000000000000000000000000000000000000000000000feffffff00000000", 0x380)
getsockopt(r1, 0x0, 0x40, &(0x7f0000000500)=""/84, &(0x7f0000000600)=0x54) (async)
syz_kvm_setup_syzos_vm$x86(r0, &(0x7f0000c00000/0x400000)=nil) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) (async)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/dlm\x00', 0x1ff) (async)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/dlm/cluster1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster1/comms/1\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster1/comms/1\x00', 0x1, 0x0)
write(r2, &(0x7f0000000200)='0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', 0x80) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./debug\x00', 0x1ff) (async)
mount(0x0, &(0x7f0000000300)='./debug\x00', &(0x7f0000000340)='debugfs\x00', 0x0, 0x0) (async)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./debug/dlm/comms/1/rawmsg\x00', 0x1, 0x0)
write(r3, &(0x7f0000000400)='\x00'/16, 0x10) (async)
rmdir(&(0x7f0000000140)='./config/dlm/cluster1/comms/1\x00') (async)
lchown(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) (async)
truncate(&(0x7f0000000080)='./file0\x00', 0x8000)
[ 94.178887][ T4641] Bluetooth: hci0: command tx timeout
[ 94.445262][ T5319] loop0: detected capacity change from 0 to 2048
[ 94.478320][ T5323] dlm: closing connection to node 1
[ 94.503462][ T5323] ------------[ cut here ]------------
[ 94.503478][ T5323] !con
[ 94.503501][ T5323] WARNING: fs/dlm/lowcomms.c:1455 at dlm_lowcomms_close+0x12d/0x440, CPU#0: syz.0.0/5323
[ 94.513157][ T5323] Modules linked in:
[ 94.515986][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.520040][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.524477][ T5323] RIP: 0010:dlm_lowcomms_close+0x12d/0x440
[ 94.526750][ T5323] Code: 69 66 9f 00 eb a6 44 89 e1 80 e1 07 80 c1 03 38 c1 7c ac 4c 89 e7 e8 62 0c 11 01 eb a2 e8 4b 66 9f 00 eb 05 e8 44 66 9f 00 90 <0f> 0b 90 44 89 f7 e8 f8 71 5a 01 b8 fe ff ff ff 48 83 c4 20 5b 41
[ 94.533923][ T5323] RSP: 0000:ffffc9000ee4fc40 EFLAGS: 00010293
[ 94.536215][ T5323] RAX: ffffffff81287d45 RBX: 0000000000000001 RCX: ffff8880002ba580
[ 94.539495][ T5323] RDX: 0000000000000000 RSI: ffffffff8e6a1454 RDI: ffffffff8c6dc780
[ 94.542389][ T5323] RBP: dffffc0000000000 R08: 0000000000000004 R09: ffffffff96bb61c0
[ 94.545460][ T5323] R10: 00000000f1b736fd R11: 00000000e5229959 R12: 0000000000000000
[ 94.548621][ T5323] R13: ffffffff81287c78 R14: 0000000000000000 R15: 0000000000000000
[ 94.551422][ T5323] FS: 00007f1bca7d46c0(0000) GS:ffff88808c2c2000(0000) knlGS:0000000000000000
[ 94.554834][ T5323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 94.557605][ T5323] CR2: 00007f1aeba1c000 CR3: 00000000126b4000 CR4: 0000000000352ef0
[ 94.561125][ T5323] Call Trace:
[ 94.562621][ T5323]
[ 94.563929][ T5323] ? dlm_midcomms_close+0x3a9/0x4c0
[ 94.566218][ T5323] ? dlm_midcomms_close+0x4b/0x4c0
[ 94.568596][ T5323] drop_comm+0x61/0x190
[ 94.570421][ T5323] ? configfs_rmdir+0x850/0x950
[ 94.572625][ T5323] ? __pfx_drop_comm+0x10/0x10
[ 94.574594][ T5323] configfs_rmdir+0x85f/0x950
[ 94.576551][ T5323] vfs_rmdir+0x3e6/0x6a0
[ 94.578503][ T5323] ? bpf_lsm_path_rmdir+0x9/0x20
[ 94.580708][ T5323] filename_rmdir+0x292/0x520
[ 94.583215][ T5323] ? __pfx_filename_rmdir+0x10/0x10
[ 94.585668][ T5323] ? do_getname+0x151/0x250
[ 94.587391][ T5323] __se_sys_rmdir+0x2e/0x140
[ 94.589679][ T5323] do_syscall_64+0x166/0x520
[ 94.591906][ T5323] ? trace_irq_disable+0x3b/0x140
[ 94.594112][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.596707][ T5323] ? clear_bhb_loop+0x70/0xc0
[ 94.598824][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.601101][ T5323] RIP: 0033:0x7f1bce39e159
[ 94.602750][ T5323] 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
[ 94.610630][ T5323] RSP: 002b:00007f1bca7d3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[ 94.613662][ T5323] RAX: ffffffffffffffda RBX: 00007f1bce626180 RCX: 00007f1bce39e159
[ 94.616448][ T5323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140
[ 94.619425][ T5323] RBP: 00007f1bce43506b R08: 0000000000000000 R09: 0000000000000000
[ 94.622434][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.626084][ T5323] R13: 00007f1bce626218 R14: 00007f1bce626180 R15: 00007ffe263d7288
[ 94.629740][ T5323]
[ 94.631177][ T5323] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 94.634394][ T5323] CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 94.638333][ T5323] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 94.642689][ T5323] Call Trace:
[ 94.644141][ T5323]
[ 94.645361][ T5323] vpanic+0x56d/0xa60
[ 94.647243][ T5323] ? __pfx__printk+0x10/0x10
[ 94.649350][ T5323] ? __pfx_vpanic+0x10/0x10
[ 94.651469][ T5323] ? is_bpf_text_address+0x292/0x2b0
[ 94.653783][ T5323] ? is_bpf_text_address+0x26/0x2b0
[ 94.656102][ T5323] panic+0xc5/0xd0
[ 94.657807][ T5323] ? __pfx_panic+0x10/0x10
[ 94.659883][ T5323] __warn+0x315/0x4c0
[ 94.661757][ T5323] ? dlm_lowcomms_close+0x12d/0x440
[ 94.664094][ T5323] ? dlm_lowcomms_close+0x12d/0x440
[ 94.666696][ T5323] __report_bug+0x276/0x570
[ 94.668720][ T5323] ? dlm_lowcomms_close+0x12d/0x440
[ 94.670907][ T5323] ? __pfx___report_bug+0x10/0x10
[ 94.672970][ T5323] ? lockdep_hardirqs_on+0x7b/0x110
[ 94.675160][ T5323] ? irqentry_exit+0x218/0x910
[ 94.677156][ T5323] ? trace_irq_disable+0x3b/0x140
[ 94.679301][ T5323] ? dlm_lowcomms_close+0x12f/0x440
[ 94.681489][ T5323] ? dlm_lowcomms_close+0x12d/0x440
[ 94.683765][ T5323] report_bug+0x16b/0x220
[ 94.685772][ T5323] ? dlm_lowcomms_close+0x12d/0x440
[ 94.688156][ T5323] ? dlm_lowcomms_close+0x12f/0x440
[ 94.690521][ T5323] handle_bug+0x9c/0x200
[ 94.692500][ T5323] exc_invalid_op+0x1a/0x50
[ 94.694595][ T5323] asm_exc_invalid_op+0x1a/0x20
[ 94.696896][ T5323] RIP: 0010:dlm_lowcomms_close+0x12d/0x440
[ 94.699706][ T5323] Code: 69 66 9f 00 eb a6 44 89 e1 80 e1 07 80 c1 03 38 c1 7c ac 4c 89 e7 e8 62 0c 11 01 eb a2 e8 4b 66 9f 00 eb 05 e8 44 66 9f 00 90 <0f> 0b 90 44 89 f7 e8 f8 71 5a 01 b8 fe ff ff ff 48 83 c4 20 5b 41
[ 94.707719][ T5323] RSP: 0000:ffffc9000ee4fc40 EFLAGS: 00010293
[ 94.710399][ T5323] RAX: ffffffff81287d45 RBX: 0000000000000001 RCX: ffff8880002ba580
[ 94.713632][ T5323] RDX: 0000000000000000 RSI: ffffffff8e6a1454 RDI: ffffffff8c6dc780
[ 94.716868][ T5323] RBP: dffffc0000000000 R08: 0000000000000004 R09: ffffffff96bb61c0
[ 94.720555][ T5323] R10: 00000000f1b736fd R11: 00000000e5229959 R12: 0000000000000000
[ 94.724166][ T5323] R13: ffffffff81287c78 R14: 0000000000000000 R15: 0000000000000000
[ 94.727732][ T5323] ? dlm_lowcomms_close+0x58/0x440
[ 94.730168][ T5323] ? dlm_lowcomms_close+0x125/0x440
[ 94.733115][ T5323] ? dlm_midcomms_close+0x3a9/0x4c0
[ 94.735893][ T5323] ? dlm_midcomms_close+0x4b/0x4c0
[ 94.738444][ T5323] drop_comm+0x61/0x190
[ 94.740336][ T5323] ? configfs_rmdir+0x850/0x950
[ 94.742591][ T5323] ? __pfx_drop_comm+0x10/0x10
[ 94.744860][ T5323] configfs_rmdir+0x85f/0x950
[ 94.747074][ T5323] vfs_rmdir+0x3e6/0x6a0
[ 94.749070][ T5323] ? bpf_lsm_path_rmdir+0x9/0x20
[ 94.751234][ T5323] filename_rmdir+0x292/0x520
[ 94.753233][ T5323] ? __pfx_filename_rmdir+0x10/0x10
[ 94.755447][ T5323] ? do_getname+0x151/0x250
[ 94.757350][ T5323] __se_sys_rmdir+0x2e/0x140
[ 94.759419][ T5323] do_syscall_64+0x166/0x520
[ 94.761601][ T5323] ? trace_irq_disable+0x3b/0x140
[ 94.763917][ T5323] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.766897][ T5323] ? clear_bhb_loop+0x70/0xc0
[ 94.769077][ T5323] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 94.771730][ T5323] RIP: 0033:0x7f1bce39e159
[ 94.773792][ T5323] 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
[ 94.782421][ T5323] RSP: 002b:00007f1bca7d3fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[ 94.786218][ T5323] RAX: ffffffffffffffda RBX: 00007f1bce626180 RCX: 00007f1bce39e159
[ 94.789751][ T5323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140
[ 94.793993][ T5323] RBP: 00007f1bce43506b R08: 0000000000000000 R09: 0000000000000000
[ 94.797615][ T5323] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.801242][ T5323] R13: 00007f1bce626218 R14: 00007f1bce626180 R15: 00007ffe263d7288
[ 94.804922][ T5323]
[ 94.806812][ T5323] Kernel Offset: disabled
[ 94.808785][ T5323] Rebooting in 86400 seconds..