Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 39.701164] sshd (223) used greatest stack depth: 24152 bytes left
Warning: Permanently added '[localhost]:3205' (ECDSA) to the list of known hosts.
2023/05/18 10:25:54 fuzzer started
2023/05/18 10:25:55 dialing manager at localhost:44319
2023/05/18 10:25:55 checking machine...
2023/05/18 10:25:55 checking revisions...
[ 40.841661] kmemleak: Automatic memory scanning thread ended
2023/05/18 10:25:55 testing simple program...
[ 40.912819] cgroup: Unknown subsys name 'net'
[ 40.995379] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
[ 53.612954] audit: type=1400 audit(1684405568.040:6): avc: denied { execmem } for pid=255 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 54.710732] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 54.712239] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 54.714717] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 54.717755] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 54.719584] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 54.720913] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 55.123581] ------------[ cut here ]------------
[ 55.124253] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 55.126798] WARNING: CPU: 1 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 55.127928] Modules linked in:
[ 55.128348] CPU: 1 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 55.133012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 55.134126] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 55.134841] 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
[ 55.137199] RSP: 0018:ffff88801f85fc00 EFLAGS: 00010282
[ 55.137965] RAX: 0000000000000000 RBX: ffff88801018a040 RCX: 0000000000000000
[ 55.138921] RDX: ffff888016949b40 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 55.139877] RBP: ffff88801018a054 R08: 0000000000000001 R09: 0000000000000000
[ 55.140826] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 55.141808] R13: ffffffff84e23fe0 R14: ffff88801018a048 R15: ffffffff84d74dc0
[ 55.142753] FS: 00005555574fe400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 55.143816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.144618] CR2: 00007fa8fadb82a0 CR3: 000000001619e000 CR4: 0000000000350ee0
[ 55.145606] Call Trace:
[ 55.145957]
[ 55.146271] ? __pfx_ipv4_frags_init_net+0x10/0x10
[ 55.147001] ipv4_frags_init_net+0x269/0x440
[ 55.147634] ops_init+0xbb/0x6b0
[ 55.148114] setup_net+0x3d9/0x990
[ 55.148628] ? down_read_killable+0x1d7/0x4e0
[ 55.149231] ? __pfx_setup_net+0x10/0x10
[ 55.149821] ? copy_net_ns+0x17c/0x770
[ 55.150350] copy_net_ns+0x321/0x770
[ 55.150890] create_new_namespaces+0x3f6/0xb30
[ 55.151503] unshare_nsproxy_namespaces+0xc1/0x200
[ 55.152179] ksys_unshare+0x44d/0x8e0
[ 55.152731] ? __pfx_ksys_unshare+0x10/0x10
[ 55.153314] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 55.154119] __x64_sys_unshare+0x31/0x40
[ 55.154695] do_syscall_64+0x3f/0x90
[ 55.155211] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 55.155942] RIP: 0033:0x7fd4775470d7
[ 55.156431] 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
[ 55.158769] RSP: 002b:00007ffd4ba708a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 55.159763] RAX: ffffffffffffffda RBX: 00007ffd4ba70ee8 RCX: 00007fd4775470d7
[ 55.160712] RDX: 00007fd4775b141f RSI: 00007ffd4ba70840 RDI: 0000000040000000
[ 55.161652] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4ba70650
[ 55.162599] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd477659bf0
[ 55.163517] R13: 00007ffd4ba70980 R14: 0000000000000000 R15: 00000000000000f8
[ 55.164487]
[ 55.164838] irq event stamp: 8923
[ 55.165288] hardirqs last enabled at (8933): [] __up_console_sem+0x78/0x80
[ 55.166458] hardirqs last disabled at (8944): [] __up_console_sem+0x5d/0x80
[ 55.167552] softirqs last enabled at (8808): [] irq_exit_rcu+0x93/0xc0
[ 55.168579] softirqs last disabled at (8803): [] irq_exit_rcu+0x93/0xc0
[ 55.169627] ---[ end trace 0000000000000000 ]---
[ 55.180729] ------------[ cut here ]------------
[ 55.181387] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused
[ 55.183197] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 55.184404] Modules linked in:
[ 55.184886] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 55.186084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 55.187219] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 55.188022] 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
[ 55.190327] RSP: 0018:ffff88801f85fc00 EFLAGS: 00010282
[ 55.191129] RAX: 0000000000000000 RBX: ffff88800f33ac40 RCX: 0000000000000000
[ 55.192134] RDX: ffff888016949b40 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 55.193143] RBP: ffff88800f33ac54 R08: 0000000000000001 R09: 0000000000000000
[ 55.194287] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 55.195417] R13: ffffffff84e23fe0 R14: ffff88800f33ac48 R15: ffffffff84da7d60
[ 55.196471] FS: 00005555574fe400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 55.197661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.198424] CR2: 00007fa8fae75f68 CR3: 000000001619e000 CR4: 0000000000350ef0
[ 55.199492] Call Trace:
[ 55.200103]
[ 55.200437] ? __pfx_ipv6_frags_init_net+0x10/0x10
[ 55.201265] ipv6_frags_init_net+0x206/0x3c0
[ 55.202039] ops_init+0xbb/0x6b0
[ 55.202659] setup_net+0x3d9/0x990
[ 55.203161] ? down_read_killable+0x1d7/0x4e0
[ 55.203876] ? __pfx_setup_net+0x10/0x10
[ 55.204436] ? copy_net_ns+0x17c/0x770
[ 55.205038] copy_net_ns+0x321/0x770
[ 55.205626] create_new_namespaces+0x3f6/0xb30
[ 55.206263] unshare_nsproxy_namespaces+0xc1/0x200
[ 55.206982] ksys_unshare+0x44d/0x8e0
[ 55.207573] ? __pfx_ksys_unshare+0x10/0x10
[ 55.208315] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 55.209327] __x64_sys_unshare+0x31/0x40
[ 55.210077] do_syscall_64+0x3f/0x90
[ 55.210764] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 55.211697] RIP: 0033:0x7fd4775470d7
[ 55.212328] 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
[ 55.215317] RSP: 002b:00007ffd4ba708a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 55.216604] RAX: ffffffffffffffda RBX: 00007ffd4ba70ee8 RCX: 00007fd4775470d7
[ 55.217844] RDX: 00007fd4775b141f RSI: 00007ffd4ba70840 RDI: 0000000040000000
[ 55.219058] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4ba70650
[ 55.220270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd477659bf0
[ 55.221492] R13: 00007ffd4ba70980 R14: 0000000000000000 R15: 00000000000000f8
[ 55.222775]
[ 55.223166] irq event stamp: 14025
[ 55.223812] hardirqs last enabled at (14037): [] __up_console_sem+0x78/0x80
[ 55.225290] hardirqs last disabled at (14054): [] __up_console_sem+0x5d/0x80
[ 55.226786] softirqs last enabled at (14050): [] irq_exit_rcu+0x93/0xc0
[ 55.228209] softirqs last disabled at (14045): [] irq_exit_rcu+0x93/0xc0
[ 55.229644] ---[ end trace 0000000000000000 ]---
[ 55.231302] ------------[ cut here ]------------
[ 55.232135] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused
[ 55.234635] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 55.236081] Modules linked in:
[ 55.236667] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1
[ 55.238248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 55.239619] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 55.240489] 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
[ 55.243514] RSP: 0018:ffff88801f85fbf0 EFLAGS: 00010286
[ 55.244424] RAX: 0000000000000000 RBX: ffff88800f33a240 RCX: 0000000000000000
[ 55.245676] RDX: ffff888016949b40 RSI: ffffffff81171ad2 RDI: 0000000000000001
[ 55.246895] RBP: ffff88800f33a254 R08: 0000000000000001 R09: 0000000000000000
[ 55.248140] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 55.249377] R13: ffffffff84e23fe0 R14: ffff88800f33a248 R15: ffffffff84db0aa0
[ 55.250377] FS: 00005555574fe400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 55.251442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 55.252265] CR2: 00007fa8fae75f68 CR3: 000000001619e000 CR4: 0000000000350ef0
[ 55.253235] Call Trace:
[ 55.253658]
[ 55.253994] nf_ct_net_init+0x224/0x3d0
[ 55.254614] ? __pfx_nf_ct_net_init+0x10/0x10
[ 55.255254] ops_init+0xbb/0x6b0
[ 55.255783] setup_net+0x3d9/0x990
[ 55.256290] ? down_read_killable+0x1d7/0x4e0
[ 55.256946] ? __pfx_setup_net+0x10/0x10
[ 55.257514] ? copy_net_ns+0x17c/0x770
[ 55.258166] copy_net_ns+0x321/0x770
[ 55.258742] create_new_namespaces+0x3f6/0xb30
[ 55.259383] unshare_nsproxy_namespaces+0xc1/0x200
[ 55.260088] ksys_unshare+0x44d/0x8e0
[ 55.260679] ? __pfx_ksys_unshare+0x10/0x10
[ 55.261265] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 55.262113] __x64_sys_unshare+0x31/0x40
[ 55.262720] do_syscall_64+0x3f/0x90
[ 55.263245] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 55.263990] RIP: 0033:0x7fd4775470d7
[ 55.264504] 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
[ 55.266901] RSP: 002b:00007ffd4ba708a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 55.267943] RAX: ffffffffffffffda RBX: 00007ffd4ba70ee8 RCX: 00007fd4775470d7
[ 55.268923] RDX: 00007fd4775b141f RSI: 00007ffd4ba70840 RDI: 0000000040000000
[ 55.269918] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4ba70650
[ 55.270907] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd477659bf0
[ 55.271889] R13: 00007ffd4ba70980 R14: 0000000000000000 R15: 00000000000000f8
[ 55.272901]
[ 55.273229] irq event stamp: 14807
[ 55.273761] hardirqs last enabled at (14819): [] __up_console_sem+0x78/0x80
[ 55.274942] hardirqs last disabled at (14830): [] __up_console_sem+0x5d/0x80
[ 55.276108] softirqs last enabled at (14428): [] irq_exit_rcu+0x93/0xc0
[ 55.277243] softirqs last disabled at (14419): [] irq_exit_rcu+0x93/0xc0
[ 55.278389] ---[ end trace 0000000000000000 ]---
executing program
[ 56.736034] Bluetooth: hci0: command 0x0409 tx timeout
executing program
[ 58.785223] Bluetooth: hci0: command 0x041b tx timeout
[ 60.832612] Bluetooth: hci0: command 0x040f tx timeout
executing program
[ 62.879607] Bluetooth: hci0: command 0x0419 tx timeout
executing program
VM DIAGNOSIS:
10:26:05 Registers:
info registers vcpu 0
RAX=0000000000026913 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=00007fa8fae71090 CR3=000000001a328000 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=2039303a36323a30312038312079614d XMM01=5d3839373632312e35352020205b203a
XMM02=74656e20746120363532203a44495020 XMM03=735f74656e5f72657473696765722035
XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120363532203a4449
XMM06=57205d3839373632312e35352020205b XMM07=79732039303a36323a30312038312079
XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f85f5f0
R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001
R12=0000000000000032 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 00005555574fe400 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=00007fa8fadb82a0 CR3=000000001619e000 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