program:
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) (async)
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f0000000140)={0x1, &(0x7f0000000180)=[{0x6, 0x0, 0x0, 0x7fff7ffc}]}) (async)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
getdents64(0xffffffffffffffff, &(0x7f00000001c0)=""/48, 0x30) (async)
bind$inet6(r0, &(0x7f0000000200)={0xa, 0x4e22, 0xfffffffc, @loopback, 0x6}, 0x1c)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f00000006c0)='./proc\x00', 0x1ff) (async)
mount(0x0, &(0x7f0000000700)='./proc\x00', &(0x7f0000000740)='proc\x00', 0x0, 0x0) (async)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000780)='./proc/net/afs/sysname\x00', 0x2, 0x0) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000840)='./sys\x00', 0x1ff) (async)
mount(0x0, &(0x7f0000000880)='./sys\x00', &(0x7f00000008c0)='sysfs\x00', 0x0, 0x0) (async)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000900)='./sys/kernel/mm/ksm/pages_to_scan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000940)='1G', 0x2) (async)
write(r1, &(0x7f00000007c0)="1528b8616b642e302e202e31", 0xc)
write$P9_RREADLINK(r1, &(0x7f0000000800)={0x10, 0x17, 0x1, {0x7, './file0'}}, 0x10) (async)
mount(0x0, &(0x7f0000000040)='./config\x00', &(0x7f0000000080)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/dlm\x00', 0x1ff) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config/dlm/cluster1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/dlm/cluster1/comms/1\x00', 0x1ff)
r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster1/comms/1/addr\x00', 0x1, 0x0)
write(r3, &(0x7f0000000440)='0200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000', 0x80) (async)
mkdirat(0xffffffffffffff9c, &(0x7f0000000540)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f0000000580)='./debug\x00', &(0x7f00000005c0)='debugfs\x00', 0x0, 0x0) (async)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./debug/dlm/comms/1/rawmsg\x00', 0x1, 0x0)
write(r4, &(0x7f0000000640)='\x00'/16, 0x10)
rmdir(&(0x7f0000000680)='./config/dlm/cluster1/comms/1\x00')
connect$inet6(r0, &(0x7f0000000240)={0xa, 0x4e22, 0x56202325, @empty, 0x4000005}, 0x1c) (async)
setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000300)=0x20a, 0x4) (async)
sendmmsg$inet6(r0, &(0x7f0000000340)=[{{0x0, 0x0, &(0x7f0000000380)=[{&(0x7f00000003c0)="b3", 0x1}], 0x1}}], 0x1, 0x4000001)
dup(r0)
[ 93.584447][ T4660] Bluetooth: hci0: command tx timeout
[ 93.604447][ T811] cfg80211: failed to load regulatory.db
[ 93.725970][ T5337] dlm: closing connection to node 1
[ 93.726416][ T5337] ------------[ cut here ]------------
[ 93.726424][ T5337] !con
[ 93.726429][ T5337] WARNING: fs/dlm/lowcomms.c:1453 at dlm_lowcomms_close+0x12d/0x440, CPU#0: syz.0.0/5337
[ 93.737455][ T5337] Modules linked in:
[ 93.739216][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 93.743700][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 93.748581][ T5337] RIP: 0010:dlm_lowcomms_close+0x12d/0x440
[ 93.751552][ T5337] Code: 59 9c a0 00 eb a6 44 89 e1 80 e1 07 80 c1 03 38 c1 7c ac 4c 89 e7 e8 42 34 19 01 eb a2 e8 3b 9c a0 00 eb 05 e8 34 9c a0 00 90 <0f> 0b 90 44 89 f7 e8 58 ad 63 01 b8 fe ff ff ff 48 83 c4 20 5b 41
[ 93.761766][ T5337] RSP: 0018:ffffc9000df0fc40 EFLAGS: 00010293
[ 93.764508][ T5337] RAX: ffffffff812888b5 RBX: 0000000000000001 RCX: ffff888013ec2580
[ 93.768126][ T5337] RDX: 0000000000000000 RSI: ffffffff8e93313f RDI: ffffffff8c8eac80
[ 93.772046][ T5337] RBP: dffffc0000000000 R08: 0000000000000004 R09: ffffffff9805c7c0
[ 93.775924][ T5337] R10: 000000000bcc271a R11: 0000000056b14cd3 R12: 0000000000000000
[ 93.780010][ T5337] R13: ffffffff812887e8 R14: 0000000000000000 R15: 0000000000000000
[ 93.783415][ T5337] FS: 00007f80457226c0(0000) GS:ffff88808aa10000(0000) knlGS:0000000000000000
[ 93.787249][ T5337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.790248][ T5337] CR2: 00007f9347365708 CR3: 0000000041afe000 CR4: 0000000000352ef0
[ 93.793532][ T5337] Call Trace:
[ 93.795130][ T5337]
[ 93.796470][ T5337] ? dlm_midcomms_close+0x3a9/0x4c0
[ 93.800912][ T5337] ? dlm_midcomms_close+0x4b/0x4c0
[ 93.803071][ T5337] drop_comm+0x61/0x190
[ 93.804928][ T5337] ? configfs_rmdir+0x850/0x950
[ 93.807093][ T5337] ? __pfx_drop_comm+0x10/0x10
[ 93.809158][ T5337] configfs_rmdir+0x85f/0x950
[ 93.811356][ T5337] vfs_rmdir+0x3e6/0x6a0
[ 93.813121][ T5337] ? bpf_lsm_path_rmdir+0x9/0x20
[ 93.815272][ T5337] filename_rmdir+0x292/0x520
[ 93.817436][ T5337] ? __pfx_filename_rmdir+0x10/0x10
[ 93.819747][ T5337] ? do_getname+0x151/0x250
[ 93.821662][ T5337] __se_sys_rmdir+0x2e/0x140
[ 93.823686][ T5337] do_syscall_64+0x166/0x520
[ 93.825790][ T5337] ? trace_irq_disable+0x3b/0x140
[ 93.827955][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.830705][ T5337] ? clear_bhb_loop+0x70/0xc0
[ 93.832749][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.835281][ T5337] RIP: 0033:0x7f804479f559
[ 93.837092][ T5337] 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
[ 93.845734][ T5337] RSP: 002b:00007f8045721fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[ 93.849308][ T5337] RAX: ffffffffffffffda RBX: 00007f8044a26090 RCX: 00007f804479f559
[ 93.853071][ T5337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000680
[ 93.856959][ T5337] RBP: 00007f8044836b20 R08: 0000000000000000 R09: 0000000000000000
[ 93.860653][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 93.864153][ T5337] R13: 00007f8044a26128 R14: 00007f8044a26090 R15: 00007fff21fd87b8
[ 93.867734][ T5337]
[ 93.869163][ T5337] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 93.872376][ T5337] CPU: 0 UID: 0 PID: 5337 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 93.876047][ T5337] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 93.880306][ T5337] Call Trace:
[ 93.881768][ T5337]
[ 93.883103][ T5337] vpanic+0x26f/0x710
[ 93.884878][ T5337] panic+0xc5/0xd0
[ 93.886568][ T5337] ? __pfx_panic+0x10/0x10
[ 93.888591][ T5337] __warn+0x315/0x4c0
[ 93.890376][ T5337] ? dlm_lowcomms_close+0x12d/0x440
[ 93.892662][ T5337] ? dlm_lowcomms_close+0x12d/0x440
[ 93.894940][ T5337] __report_bug+0x276/0x570
[ 93.896955][ T5337] ? check_path+0x21/0x40
[ 93.898975][ T5337] ? dlm_lowcomms_close+0x12d/0x440
[ 93.901298][ T5337] ? __pfx___report_bug+0x10/0x10
[ 93.903518][ T5337] ? lockdep_unlock+0x5c/0xd0
[ 93.905663][ T5337] ? __lock_acquire+0x1511/0x2de0
[ 93.907977][ T5337] ? dlm_lowcomms_close+0x12d/0x440
[ 93.910169][ T5337] report_bug+0x16b/0x220
[ 93.912138][ T5337] ? dlm_lowcomms_close+0x12d/0x440
[ 93.914425][ T5337] ? dlm_lowcomms_close+0x12f/0x440
[ 93.916799][ T5337] handle_bug+0x9c/0x200
[ 93.918607][ T5337] exc_invalid_op+0x1a/0x50
[ 93.920639][ T5337] asm_exc_invalid_op+0x1a/0x20
[ 93.922790][ T5337] RIP: 0010:dlm_lowcomms_close+0x12d/0x440
[ 93.925288][ T5337] Code: 59 9c a0 00 eb a6 44 89 e1 80 e1 07 80 c1 03 38 c1 7c ac 4c 89 e7 e8 42 34 19 01 eb a2 e8 3b 9c a0 00 eb 05 e8 34 9c a0 00 90 <0f> 0b 90 44 89 f7 e8 58 ad 63 01 b8 fe ff ff ff 48 83 c4 20 5b 41
[ 93.933786][ T5337] RSP: 0018:ffffc9000df0fc40 EFLAGS: 00010293
[ 93.936420][ T5337] RAX: ffffffff812888b5 RBX: 0000000000000001 RCX: ffff888013ec2580
[ 93.939992][ T5337] RDX: 0000000000000000 RSI: ffffffff8e93313f RDI: ffffffff8c8eac80
[ 93.943438][ T5337] RBP: dffffc0000000000 R08: 0000000000000004 R09: ffffffff9805c7c0
[ 93.946920][ T5337] R10: 000000000bcc271a R11: 0000000056b14cd3 R12: 0000000000000000
[ 93.950411][ T5337] R13: ffffffff812887e8 R14: 0000000000000000 R15: 0000000000000000
[ 93.953819][ T5337] ? dlm_lowcomms_close+0x58/0x440
[ 93.956086][ T5337] ? dlm_lowcomms_close+0x125/0x440
[ 93.958406][ T5337] ? dlm_midcomms_close+0x3a9/0x4c0
[ 93.960687][ T5337] ? dlm_midcomms_close+0x4b/0x4c0
[ 93.962808][ T5337] drop_comm+0x61/0x190
[ 93.964663][ T5337] ? configfs_rmdir+0x850/0x950
[ 93.966785][ T5337] ? __pfx_drop_comm+0x10/0x10
[ 93.968913][ T5337] configfs_rmdir+0x85f/0x950
[ 93.970940][ T5337] vfs_rmdir+0x3e6/0x6a0
[ 93.972875][ T5337] ? bpf_lsm_path_rmdir+0x9/0x20
[ 93.975346][ T5337] filename_rmdir+0x292/0x520
[ 93.978203][ T5337] ? __pfx_filename_rmdir+0x10/0x10
[ 93.980834][ T5337] ? do_getname+0x151/0x250
[ 93.982809][ T5337] __se_sys_rmdir+0x2e/0x140
[ 93.984825][ T5337] do_syscall_64+0x166/0x520
[ 93.987159][ T5337] ? trace_irq_disable+0x3b/0x140
[ 93.989327][ T5337] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.991781][ T5337] ? clear_bhb_loop+0x70/0xc0
[ 93.993731][ T5337] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 93.996087][ T5337] RIP: 0033:0x7f804479f559
[ 93.997945][ T5337] 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
[ 94.006021][ T5337] RSP: 002b:00007f8045721fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[ 94.009627][ T5337] RAX: ffffffffffffffda RBX: 00007f8044a26090 RCX: 00007f804479f559
[ 94.013040][ T5337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000680
[ 94.016214][ T5337] RBP: 00007f8044836b20 R08: 0000000000000000 R09: 0000000000000000
[ 94.019440][ T5337] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 94.022912][ T5337] R13: 00007f8044a26128 R14: 00007f8044a26090 R15: 00007fff21fd87b8
[ 94.026363][ T5337]
[ 94.028375][ T5337] Kernel Offset: disabled
[ 94.030407][ T5337] Rebooting in 86400 seconds..