Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 34.696750] sshd (216) used greatest stack depth: 24152 bytes left
Warning: Permanently added '[localhost]:39642' (ECDSA) to the list of known hosts.
2023/05/17 00:39:45 fuzzer started
2023/05/17 00:39:46 dialing manager at localhost:35573
2023/05/17 00:39:46 checking machine...
2023/05/17 00:39:46 checking revisions...
[ 36.733036] kmemleak: Automatic memory scanning thread ended
2023/05/17 00:39:46 testing simple program...
[ 36.809175] cgroup: Unknown subsys name 'net'
[ 36.915931] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
[ 48.756955] audit: type=1400 audit(1684283998.271:6): 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
[ 49.892177] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 49.894522] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 49.895776] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 49.898711] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 49.902607] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 49.903820] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 50.278396] ------------[ cut here ]------------
[ 50.278915] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 50.280352] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.281219] Modules linked in:
[ 50.281587] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 50.282572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.288059] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.288641] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 50.290515] RSP: 0018:ffff88801ad77c00 EFLAGS: 00010282
[ 50.291057] RAX: 0000000000000000 RBX: ffff88800dcedc40 RCX: 0000000000000000
[ 50.291837] RDX: ffff888015aa1b40 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 50.292600] RBP: ffff88800dcedc54 R08: 0000000000000001 R09: 0000000000000000
[ 50.293388] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 50.294116] R13: ffffffff84e223a0 R14: ffff88800dcedc48 R15: ffffffff84d73340
[ 50.294885] FS: 00005555555a6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 50.295742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.296391] CR2: 00007f11cd3c56f4 CR3: 00000000180a4000 CR4: 0000000000350ef0
[ 50.297123] Call Trace:
[ 50.297428]
[ 50.297685] ? __pfx_ipv4_frags_init_net+0x10/0x10
[ 50.298192] ipv4_frags_init_net+0x269/0x440
[ 50.298685] ops_init+0xbb/0x6b0
[ 50.299055] setup_net+0x3d9/0x990
[ 50.299452] ? down_read_killable+0x1d7/0x4e0
[ 50.299925] ? __pfx_setup_net+0x10/0x10
[ 50.300366] ? copy_net_ns+0x17c/0x770
[ 50.300808] copy_net_ns+0x321/0x770
[ 50.301206] create_new_namespaces+0x3f6/0xb30
[ 50.301725] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.302237] ksys_unshare+0x44d/0x8e0
[ 50.302676] ? __pfx_ksys_unshare+0x10/0x10
[ 50.303128] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.303745] __x64_sys_unshare+0x31/0x40
[ 50.304174] do_syscall_64+0x3f/0x90
[ 50.304605] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.305146] RIP: 0033:0x7f3ee3c520d7
[ 50.305558] 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
[ 50.307382] RSP: 002b:00007ffdffe5f7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 50.308149] RAX: ffffffffffffffda RBX: 00007ffdffe5fe08 RCX: 00007f3ee3c520d7
[ 50.308897] RDX: 00007f3ee3cbc41f RSI: 00007ffdffe5f760 RDI: 0000000040000000
[ 50.309668] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdffe5f570
[ 50.310410] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3ee3d64bf0
[ 50.311122] R13: 00007ffdffe5f8a0 R14: 0000000000000000 R15: 00000000000000f8
[ 50.311902]
[ 50.312153] irq event stamp: 8019
[ 50.312542] hardirqs last enabled at (8031): [] __up_console_sem+0x78/0x80
[ 50.313459] hardirqs last disabled at (8042): [] __up_console_sem+0x5d/0x80
[ 50.314361] softirqs last enabled at (8004): [] irq_exit_rcu+0x93/0xc0
[ 50.315210] softirqs last disabled at (7999): [] irq_exit_rcu+0x93/0xc0
[ 50.316091] ---[ end trace 0000000000000000 ]---
[ 50.320581] ------------[ cut here ]------------
[ 50.321149] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused
[ 50.322542] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.323425] Modules linked in:
[ 50.323770] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 50.324760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.325622] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.326178] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 50.328038] RSP: 0018:ffff88801ad77c00 EFLAGS: 00010282
[ 50.328610] RAX: 0000000000000000 RBX: ffff8880139fde40 RCX: 0000000000000000
[ 50.329366] RDX: ffff888015aa1b40 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 50.330101] RBP: ffff8880139fde54 R08: 0000000000000001 R09: 0000000000000000
[ 50.330860] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 50.331619] R13: ffffffff84e223a0 R14: ffff8880139fde48 R15: ffffffff84da62e0
[ 50.332371] FS: 00005555555a6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 50.333230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.333881] CR2: 00007f11cd3c56f4 CR3: 00000000180a4000 CR4: 0000000000350ef0
[ 50.334666] Call Trace:
[ 50.334947]
[ 50.335199] ? __pfx_ipv6_frags_init_net+0x10/0x10
[ 50.335756] ipv6_frags_init_net+0x206/0x3c0
[ 50.336237] ops_init+0xbb/0x6b0
[ 50.336638] setup_net+0x3d9/0x990
[ 50.337045] ? down_read_killable+0x1d7/0x4e0
[ 50.337563] ? __pfx_setup_net+0x10/0x10
[ 50.338003] ? copy_net_ns+0x17c/0x770
[ 50.338474] copy_net_ns+0x321/0x770
[ 50.338883] create_new_namespaces+0x3f6/0xb30
[ 50.339409] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.339938] ksys_unshare+0x44d/0x8e0
[ 50.340393] ? __pfx_ksys_unshare+0x10/0x10
[ 50.340877] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.341510] __x64_sys_unshare+0x31/0x40
[ 50.341945] do_syscall_64+0x3f/0x90
[ 50.342374] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.342928] RIP: 0033:0x7f3ee3c520d7
[ 50.343365] 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
[ 50.345254] RSP: 002b:00007ffdffe5f7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 50.346076] RAX: ffffffffffffffda RBX: 00007ffdffe5fe08 RCX: 00007f3ee3c520d7
[ 50.346845] RDX: 00007f3ee3cbc41f RSI: 00007ffdffe5f760 RDI: 0000000040000000
[ 50.347609] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdffe5f570
[ 50.348388] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3ee3d64bf0
[ 50.349169] R13: 00007ffdffe5f8a0 R14: 0000000000000000 R15: 00000000000000f8
[ 50.349951]
[ 50.350209] irq event stamp: 9909
[ 50.350608] hardirqs last enabled at (9921): [] __up_console_sem+0x78/0x80
[ 50.351509] hardirqs last disabled at (9932): [] __up_console_sem+0x5d/0x80
[ 50.352436] softirqs last enabled at (9412): [] irq_exit_rcu+0x93/0xc0
[ 50.353347] softirqs last disabled at (9399): [] irq_exit_rcu+0x93/0xc0
[ 50.354205] ---[ end trace 0000000000000000 ]---
[ 50.355368] ------------[ cut here ]------------
[ 50.355848] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused
[ 50.357467] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.358339] Modules linked in:
[ 50.358678] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 50.359651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.360504] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.361053] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0
[ 50.362917] RSP: 0018:ffff88801ad77bf0 EFLAGS: 00010286
[ 50.363501] RAX: 0000000000000000 RBX: ffff8880139fd840 RCX: 0000000000000000
[ 50.364233] RDX: ffff888015aa1b40 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 50.365029] RBP: ffff8880139fd854 R08: 0000000000000001 R09: 0000000000000000
[ 50.365789] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 50.366578] R13: ffffffff84e223a0 R14: ffff8880139fd848 R15: ffffffff84daf020
[ 50.367352] FS: 00005555555a6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
[ 50.368180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.368828] CR2: 00007f11cd3c56f4 CR3: 00000000180a4000 CR4: 0000000000350ef0
[ 50.369584] Call Trace:
[ 50.369863]
[ 50.370120] nf_ct_net_init+0x224/0x3d0
[ 50.370591] ? __pfx_nf_ct_net_init+0x10/0x10
[ 50.371088] ops_init+0xbb/0x6b0
[ 50.371486] setup_net+0x3d9/0x990
[ 50.371877] ? down_read_killable+0x1d7/0x4e0
[ 50.372387] ? __pfx_setup_net+0x10/0x10
[ 50.372826] ? copy_net_ns+0x17c/0x770
[ 50.373260] copy_net_ns+0x321/0x770
[ 50.373700] create_new_namespaces+0x3f6/0xb30
[ 50.374215] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.374786] ksys_unshare+0x44d/0x8e0
[ 50.375221] ? __pfx_ksys_unshare+0x10/0x10
[ 50.375720] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.376366] __x64_sys_unshare+0x31/0x40
[ 50.376833] do_syscall_64+0x3f/0x90
[ 50.377248] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.377839] RIP: 0033:0x7f3ee3c520d7
[ 50.378253] 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
[ 50.380144] RSP: 002b:00007ffdffe5f7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[ 50.380975] RAX: ffffffffffffffda RBX: 00007ffdffe5fe08 RCX: 00007f3ee3c520d7
[ 50.381757] RDX: 00007f3ee3cbc41f RSI: 00007ffdffe5f760 RDI: 0000000040000000
[ 50.382518] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdffe5f570
[ 50.383277] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3ee3d64bf0
[ 50.384037] R13: 00007ffdffe5f8a0 R14: 0000000000000000 R15: 00000000000000f8
[ 50.384854]
[ 50.385115] irq event stamp: 10675
[ 50.385514] hardirqs last enabled at (10687): [] __up_console_sem+0x78/0x80
[ 50.386449] hardirqs last disabled at (10698): [] __up_console_sem+0x5d/0x80
[ 50.387374] softirqs last enabled at (10496): [] irq_exit_rcu+0x93/0xc0
[ 50.388257] softirqs last disabled at (10491): [] irq_exit_rcu+0x93/0xc0
[ 50.389170] ---[ end trace 0000000000000000 ]---
executing program
[ 51.970215] Bluetooth: hci0: command 0x0409 tx timeout
[ 54.016513] Bluetooth: hci0: command 0x041b tx timeout
executing program
[ 56.065604] Bluetooth: hci0: command 0x040f tx timeout
executing program
[ 58.112653] Bluetooth: hci0: command 0x0419 tx timeout
VM DIAGNOSIS:
00:39:59 Registers:
info registers vcpu 0
RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ad77618
R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001
R12=0000000000000030 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670
RIP=ffffffff825076dd 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 00005555555a6400 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=00007f11cd3c56f4 CR3=00000000180a4000 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=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
info registers vcpu 1
RAX=0000000000039b3b RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68
R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001
R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff844c599f 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 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=00007f83fd762180 CR3=00000000097c6000 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=2039353a39333a30302037312079614d XMM01=5d3237353238322e30352020205b203a
XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120
XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45
XMM06=205d3237353238322e30352020205b20 XMM07=732039353a39333a3030203731207961
XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000