[ 31.600820] sshd (208) used greatest stack depth: 24016 bytes left
Debian GNU/Linux 11 syzkaller ttyS0
Warning: Permanently added '[localhost]:17795' (ECDSA) to the list of known hosts.
2023/05/17 19:42:32 fuzzer started
2023/05/17 19:42:33 dialing manager at localhost:44319
2023/05/17 19:42:33 checking machine...
2023/05/17 19:42:33 checking revisions...
syzkaller login: [ 36.613297] kmemleak: Automatic memory scanning thread ended
2023/05/17 19:42:33 testing simple program...
[ 36.688567] cgroup: Unknown subsys name 'net'
[ 36.793528] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
[ 50.637860] audit: type=1400 audit(1684352567.275:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
[ 51.772655] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 51.775469] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 51.777220] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 51.780109] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 51.782816] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 51.784073] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 52.175237] ------------[ cut here ]------------
[ 52.176457] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 52.178506] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 52.179586] Modules linked in:
[ 52.180001] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 52.184724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 52.185757] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 52.186459] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 52.188669] RSP: 0018:ffff8880159cfc00 EFLAGS: 00010282
[ 52.189356] RAX: 0000000000000000 RBX: ffff88800eb0b440 RCX: 0000000000000000
[ 52.190249] RDX: ffff888016bc8000 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 52.191161] RBP: ffff88800eb0b454 R08: 0000000000000001 R09: 0000000000000000
[ 52.192052] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 52.192951] R13: ffffffff84e23fe0 R14: ffff88800eb0b448 R15: ffffffff84d74dc0
[ 52.193869] FS: 0000555556820400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 52.194873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.195612] CR2: 00007fbc3e7796f4 CR3: 0000000019c18000 CR4: 0000000000350ee0
[ 52.196504] Call Trace:
[ 52.196835]
[ 52.197130] ? __pfx_ipv4_frags_init_net+0x10/0x10
[ 52.197781] ipv4_frags_init_net+0x269/0x440
[ 52.198377] ops_init+0xbb/0x6b0
[ 52.198821] setup_net+0x3d9/0x990
[ 52.199270] ? down_read_killable+0x1d7/0x4e0
[ 52.199878] ? __pfx_setup_net+0x10/0x10
[ 52.200432] ? copy_net_ns+0x17c/0x770
[ 52.200940] copy_net_ns+0x321/0x770
[ 52.201475] create_new_namespaces+0x3f6/0xb30
[ 52.202084] unshare_nsproxy_namespaces+0xc1/0x200
[ 52.202738] ksys_unshare+0x44d/0x8e0
[ 52.203225] ? __pfx_ksys_unshare+0x10/0x10
[ 52.203818] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 52.204565] __x64_sys_unshare+0x31/0x40
[ 52.205079] do_syscall_64+0x3f/0x90
[ 52.205609] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 52.206269] RIP: 0033:0x7f53935dd0d7
[ 52.206776] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 52.208926] RSP: 002b:00007ffffd9255b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 52.209893] RAX: ffffffffffffffda RBX: 00007ffffd925bf8 RCX: 00007f53935dd0d7
[ 52.210810] RDX: 00007f539364741f RSI: 00007ffffd925550 RDI: 0000000040000000
[ 52.211694] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd925360
[ 52.212576] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f53936efbf0
[ 52.213465] R13: 00007ffffd925690 R14: 0000000000000000 R15: 00000000000000f8
[ 52.214394]
[ 52.214696] irq event stamp: 8243
[ 52.215111] hardirqs last enabled at (8253): [] __up_console_sem+0x78/0x80
[ 52.216175] hardirqs last disabled at (8264): [] __up_console_sem+0x5d/0x80
[ 52.217230] softirqs last enabled at (8168): [] irq_exit_rcu+0x93/0xc0
[ 52.218272] softirqs last disabled at (8159): [] irq_exit_rcu+0x93/0xc0
[ 52.219281] ---[ end trace 0000000000000000 ]---
[ 52.224996] ------------[ cut here ]------------
[ 52.225689] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused
[ 52.227531] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 52.228685] Modules linked in:
[ 52.229095] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 52.230412] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 52.231527] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 52.232176] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 52.234599] RSP: 0018:ffff8880159cfc00 EFLAGS: 00010282
[ 52.235286] RAX: 0000000000000000 RBX: ffff88800db36240 RCX: 0000000000000000
[ 52.236306] RDX: ffff888016bc8000 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 52.237464] RBP: ffff88800db36254 R08: 0000000000000001 R09: 0000000000000000
[ 52.238574] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 52.239601] R13: ffffffff84e23fe0 R14: ffff88800db36248 R15: ffffffff84da7d60
[ 52.240653] FS: 0000555556820400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 52.241863] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.242743] CR2: 00007fbc3e7796f4 CR3: 0000000019c18000 CR4: 0000000000350ee0
[ 52.243751] Call Trace:
[ 52.244079]
[ 52.244465] ? __pfx_ipv6_frags_init_net+0x10/0x10
[ 52.245089] ipv6_frags_init_net+0x206/0x3c0
[ 52.245696] ops_init+0xbb/0x6b0
[ 52.246164] setup_net+0x3d9/0x990
[ 52.246666] ? down_read_killable+0x1d7/0x4e0
[ 52.247241] ? __pfx_setup_net+0x10/0x10
[ 52.247795] ? copy_net_ns+0x17c/0x770
[ 52.248357] copy_net_ns+0x321/0x770
[ 52.248851] create_new_namespaces+0x3f6/0xb30
[ 52.249471] unshare_nsproxy_namespaces+0xc1/0x200
[ 52.250103] ksys_unshare+0x44d/0x8e0
[ 52.250642] ? __pfx_ksys_unshare+0x10/0x10
[ 52.251201] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 52.251948] __x64_sys_unshare+0x31/0x40
[ 52.252506] do_syscall_64+0x3f/0x90
[ 52.252993] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 52.253679] RIP: 0033:0x7f53935dd0d7
[ 52.254161] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 52.256338] RSP: 002b:00007ffffd9255b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 52.257248] RAX: ffffffffffffffda RBX: 00007ffffd925bf8 RCX: 00007f53935dd0d7
[ 52.258176] RDX: 00007f539364741f RSI: 00007ffffd925550 RDI: 0000000040000000
[ 52.259060] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd925360
[ 52.259974] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f53936efbf0
[ 52.260885] R13: 00007ffffd925690 R14: 0000000000000000 R15: 00000000000000f8
[ 52.261799]
[ 52.262124] irq event stamp: 10839
[ 52.262597] hardirqs last enabled at (10851): [] __up_console_sem+0x78/0x80
[ 52.263661] hardirqs last disabled at (10862): [] __up_console_sem+0x5d/0x80
[ 52.264742] softirqs last enabled at (10614): [] irq_exit_rcu+0x93/0xc0
[ 52.265810] softirqs last disabled at (10883): [] irq_exit_rcu+0x93/0xc0
[ 52.266893] ---[ end trace 0000000000000000 ]---
[ 52.268236] ------------[ cut here ]------------
[ 52.268884] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused
[ 52.270869] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 52.271952] Modules linked in:
[ 52.272388] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 52.273563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 52.274607] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 52.275249] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 52.277434] RSP: 0018:ffff8880159cfbf0 EFLAGS: 00010286
[ 52.278108] RAX: 0000000000000000 RBX: ffff88800ea90a40 RCX: 0000000000000000
[ 52.279006] RDX: ffff888016bc8000 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 52.279902] RBP: ffff88800ea90a54 R08: 0000000000000001 R09: 0000000000000000
[ 52.280802] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 52.281693] R13: ffffffff84e23fe0 R14: ffff88800ea90a48 R15: ffffffff84db0aa0
[ 52.282618] FS: 0000555556820400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 52.283625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 52.284397] CR2: 00007fbc3e7796f4 CR3: 0000000019c18000 CR4: 0000000000350ee0
[ 52.285256] Call Trace:
[ 52.285619]
[ 52.285940] nf_ct_net_init+0x224/0x3d0
[ 52.286497] ? __pfx_nf_ct_net_init+0x10/0x10
[ 52.287080] ops_init+0xbb/0x6b0
[ 52.287566] setup_net+0x3d9/0x990
[ 52.288027] ? down_read_killable+0x1d7/0x4e0
[ 52.288629] ? __pfx_setup_net+0x10/0x10
[ 52.289145] ? copy_net_ns+0x17c/0x770
[ 52.289690] copy_net_ns+0x321/0x770
[ 52.290195] create_new_namespaces+0x3f6/0xb30
[ 52.290821] unshare_nsproxy_namespaces+0xc1/0x200
[ 52.291466] ksys_unshare+0x44d/0x8e0
[ 52.291962] ? __pfx_ksys_unshare+0x10/0x10
[ 52.292541] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 52.293252] __x64_sys_unshare+0x31/0x40
[ 52.293805] do_syscall_64+0x3f/0x90
[ 52.294297] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 52.294975] RIP: 0033:0x7f53935dd0d7
[ 52.295472] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 52.297642] RSP: 002b:00007ffffd9255b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 52.298617] RAX: ffffffffffffffda RBX: 00007ffffd925bf8 RCX: 00007f53935dd0d7
[ 52.299506] RDX: 00007f539364741f RSI: 00007ffffd925550 RDI: 0000000040000000
[ 52.300404] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd925360
[ 52.301261] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f53936efbf0
[ 52.302170] R13: 00007ffffd925690 R14: 0000000000000000 R15: 00000000000000f8
[ 52.303097]
[ 52.303439] irq event stamp: 11633
[ 52.303883] hardirqs last enabled at (11643): [] __up_console_sem+0x78/0x80
[ 52.304959] hardirqs last disabled at (11654): [] __up_console_sem+0x5d/0x80
[ 52.306062] softirqs last enabled at (11130): [] irq_exit_rcu+0x93/0xc0
[ 52.307130] softirqs last disabled at (11101): [] irq_exit_rcu+0x93/0xc0
[ 52.308181] ---[ end trace 0000000000000000 ]---
[ 53.857966] Bluetooth: hci0: command 0x0409 tx timeout
executing program
[ 55.905369] Bluetooth: hci0: command 0x041b tx timeout
executing program
[ 57.953395] Bluetooth: hci0: command 0x040f tx timeout
[ 60.001411] Bluetooth: hci0: command 0x0419 tx timeout
executing program
VM DIAGNOSIS:
19:42:48 Registers:
info registers vcpu 0
RAX=00000000000336e5 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10
R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001
R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff844d199f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000000000000000 00000000 00000000
GS =0000 ffff88806ce00000 00000000 00000000
LDT=0000 fffffe0000000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fcc23d09830 CR3=000000000ddf8000 CR4=00350ef0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=2038343a32343a39312037312079614d XMM01=5d3130303038312e32352020205b203a
XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020
XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563
XMM06=32203a4449502031203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732038
XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880159cf5f0
R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001
R12=0000000000000034 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70
RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0
ES =0000 0000000000000000 00000000 00000000
CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA]
SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA]
DS =0000 0000000000000000 00000000 00000000
FS =0000 0000555556820400 00000000 00000000
GS =0000 ffff88806cf00000 00000000 00000000
LDT=0000 fffffe0000000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007fbc3e7796f4 CR3=0000000019c18000 CR4=00350ee0
DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000
DR6=00000000ffff0ff0 DR7=0000000000000400
EFER=0000000000000d01
FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80
FPR0=0000000000000000 0000 FPR1=0000000000000000 0000
FPR2=0000000000000000 0000 FPR3=0000000000000000 0000
FPR4=0000000000000000 0000 FPR5=0000000000000000 0000
FPR6=0000000000000000 0000 FPR7=0000000000000000 0000
XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000
XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000
XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000
XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000
XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000