syzkaller login: [ 31.489420] sshd (211) used greatest stack depth: 24168 bytes left
[ 35.129874] sshd (225) used greatest stack depth: 24152 bytes left
Warning: Permanently added '[localhost]:58479' (ECDSA) to the list of known hosts.
2023/05/16 12:21:18 fuzzer started
2023/05/16 12:21:18 dialing manager at localhost:35573
2023/05/16 12:21:18 checking machine...
2023/05/16 12:21:18 checking revisions...
[ 36.311275] kmemleak: Automatic memory scanning thread ended
2023/05/16 12:21:18 testing simple program...
[ 36.370966] cgroup: Unknown subsys name 'net'
[ 36.431050] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
executing program
executing program
[ 48.635279] audit: type=1400 audit(1684239691.206:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 49.710395] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1
[ 49.712008] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9
[ 49.714174] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9
[ 49.717648] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4
[ 49.719453] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3
[ 49.720617] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2
[ 50.135328] ------------[ cut here ]------------
[ 50.136011] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused
[ 50.137986] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.139646] Modules linked in:
[ 50.140408] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 50.145505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.146592] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.147317] 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
[ 50.149651] RSP: 0018:ffff8880185efc00 EFLAGS: 00010282
[ 50.150423] RAX: 0000000000000000 RBX: ffff88800eab6c40 RCX: 0000000000000000
[ 50.151368] RDX: ffff888016e951c0 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 50.152331] RBP: ffff88800eab6c54 R08: 0000000000000001 R09: 0000000000000000
[ 50.153287] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 50.154254] R13: ffffffff84e223a0 R14: ffff88800eab6c48 R15: ffffffff84d73340
[ 50.155201] FS: 0000555556f04400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 50.156271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.157017] CR2: 00007fffba840000 CR3: 000000000fd20000 CR4: 0000000000350ee0
[ 50.157980] Call Trace:
[ 50.158391]
[ 50.158709] ? __pfx_ipv4_frags_init_net+0x10/0x10
[ 50.159406] ipv4_frags_init_net+0x269/0x440
[ 50.160015] ops_init+0xbb/0x6b0
[ 50.160544] setup_net+0x3d9/0x990
[ 50.161033] ? down_read_killable+0x1d7/0x4e0
[ 50.161683] ? __pfx_setup_net+0x10/0x10
[ 50.162279] ? copy_net_ns+0x17c/0x770
[ 50.162826] copy_net_ns+0x321/0x770
[ 50.163373] create_new_namespaces+0x3f6/0xb30
[ 50.163996] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.164691] ksys_unshare+0x44d/0x8e0
[ 50.165254] ? __pfx_ksys_unshare+0x10/0x10
[ 50.165838] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.166666] __x64_sys_unshare+0x31/0x40
[ 50.167276] do_syscall_64+0x3f/0x90
[ 50.167782] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.168502] RIP: 0033:0x7fa624f560d7
[ 50.169008] 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
[ 50.171342] RSP: 002b:00007ffc11f2a388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 50.172363] RAX: ffffffffffffffda RBX: 00007ffc11f2a9c8 RCX: 00007fa624f560d7
[ 50.173325] RDX: 00007fa624fc041f RSI: 00007ffc11f2a320 RDI: 0000000040000000
[ 50.174292] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc11f2a130
[ 50.175249] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa625068bf0
[ 50.176203] R13: 00007ffc11f2a460 R14: 0000000000000000 R15: 00000000000000f8
[ 50.177185]
[ 50.177505] irq event stamp: 8299
[ 50.177958] hardirqs last enabled at (8309): [] __up_console_sem+0x78/0x80
[ 50.179142] hardirqs last disabled at (8322): [] __up_console_sem+0x5d/0x80
[ 50.180280] softirqs last enabled at (7834): [] irq_exit_rcu+0x93/0xc0
[ 50.181378] softirqs last disabled at (7797): [] irq_exit_rcu+0x93/0xc0
[ 50.182475] ---[ end trace 0000000000000000 ]---
[ 50.187473] ------------[ cut here ]------------
[ 50.188105] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused
[ 50.190081] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.191227] Modules linked in:
[ 50.191665] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 50.192932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.194012] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.194746] 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
[ 50.197061] RSP: 0018:ffff8880185efc00 EFLAGS: 00010282
[ 50.197803] RAX: 0000000000000000 RBX: ffff88800c66b240 RCX: 0000000000000000
[ 50.198733] RDX: ffff888016e951c0 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 50.199637] RBP: ffff88800c66b254 R08: 0000000000000001 R09: 0000000000000000
[ 50.200541] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 50.201429] R13: ffffffff84e223a0 R14: ffff88800c66b248 R15: ffffffff84da62e0
[ 50.202348] FS: 0000555556f04400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 50.203368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.204079] CR2: 00007fffba840000 CR3: 000000000fd20000 CR4: 0000000000350ee0
[ 50.204971] Call Trace:
[ 50.205346]
[ 50.205648] ? __pfx_ipv6_frags_init_net+0x10/0x10
[ 50.206313] ipv6_frags_init_net+0x206/0x3c0
[ 50.206872] ops_init+0xbb/0x6b0
[ 50.207402] setup_net+0x3d9/0x990
[ 50.207894] ? down_read_killable+0x1d7/0x4e0
[ 50.208548] ? __pfx_setup_net+0x10/0x10
[ 50.209102] ? copy_net_ns+0x17c/0x770
[ 50.209695] copy_net_ns+0x321/0x770
[ 50.210287] create_new_namespaces+0x3f6/0xb30
[ 50.210931] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.211647] ksys_unshare+0x44d/0x8e0
[ 50.212234] ? __pfx_ksys_unshare+0x10/0x10
[ 50.212833] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.213653] __x64_sys_unshare+0x31/0x40
[ 50.214268] do_syscall_64+0x3f/0x90
[ 50.214784] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.215527] RIP: 0033:0x7fa624f560d7
[ 50.216046] 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
[ 50.218473] RSP: 002b:00007ffc11f2a388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 50.219532] RAX: ffffffffffffffda RBX: 00007ffc11f2a9c8 RCX: 00007fa624f560d7
[ 50.220521] RDX: 00007fa624fc041f RSI: 00007ffc11f2a320 RDI: 0000000040000000
[ 50.221505] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc11f2a130
[ 50.222503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa625068bf0
[ 50.223488] R13: 00007ffc11f2a460 R14: 0000000000000000 R15: 00000000000000f8
[ 50.224498]
[ 50.224825] irq event stamp: 10005
[ 50.225354] hardirqs last enabled at (10017): [] __up_console_sem+0x78/0x80
[ 50.226541] hardirqs last disabled at (10028): [] __up_console_sem+0x5d/0x80
[ 50.227740] softirqs last enabled at (9834): [] irq_exit_rcu+0x93/0xc0
[ 50.228894] softirqs last disabled at (9825): [] irq_exit_rcu+0x93/0xc0
[ 50.230048] ---[ end trace 0000000000000000 ]---
[ 50.231470] ------------[ cut here ]------------
[ 50.232135] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused
[ 50.234253] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0
[ 50.235397] Modules linked in:
[ 50.235840] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1
[ 50.237133] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 50.238249] RIP: 0010:register_net_sysctl+0x1e6/0x2c0
[ 50.238957] 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
[ 50.241353] RSP: 0018:ffff8880185efbf0 EFLAGS: 00010286
[ 50.242080] RAX: 0000000000000000 RBX: ffff88800c66ac40 RCX: 0000000000000000
[ 50.243061] RDX: ffff888016e951c0 RSI: ffffffff81172af2 RDI: 0000000000000001
[ 50.244053] RBP: ffff88800c66ac54 R08: 0000000000000001 R09: 0000000000000000
[ 50.245025] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000
[ 50.246026] R13: ffffffff84e223a0 R14: ffff88800c66ac48 R15: ffffffff84daf020
[ 50.247006] FS: 0000555556f04400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000
[ 50.248097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.248892] CR2: 00007fffba840000 CR3: 000000000fd20000 CR4: 0000000000350ee0
[ 50.249873] Call Trace:
[ 50.250298]
[ 50.250625] nf_ct_net_init+0x224/0x3d0
[ 50.251225] ? __pfx_nf_ct_net_init+0x10/0x10
[ 50.251862] ops_init+0xbb/0x6b0
[ 50.252383] setup_net+0x3d9/0x990
[ 50.252883] ? down_read_killable+0x1d7/0x4e0
[ 50.253549] ? __pfx_setup_net+0x10/0x10
[ 50.254153] ? copy_net_ns+0x17c/0x770
[ 50.254709] copy_net_ns+0x321/0x770
[ 50.255283] create_new_namespaces+0x3f6/0xb30
[ 50.255924] unshare_nsproxy_namespaces+0xc1/0x200
[ 50.256640] ksys_unshare+0x44d/0x8e0
[ 50.257198] ? __pfx_ksys_unshare+0x10/0x10
[ 50.257786] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10
[ 50.258622] __x64_sys_unshare+0x31/0x40
[ 50.259219] do_syscall_64+0x3f/0x90
[ 50.259735] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 50.260479] RIP: 0033:0x7fa624f560d7
[ 50.260986] 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
[ 50.263348] RSP: 002b:00007ffc11f2a388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[ 50.264368] RAX: ffffffffffffffda RBX: 00007ffc11f2a9c8 RCX: 00007fa624f560d7
[ 50.265324] RDX: 00007fa624fc041f RSI: 00007ffc11f2a320 RDI: 0000000040000000
[ 50.266291] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc11f2a130
[ 50.267261] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa625068bf0
[ 50.268232] R13: 00007ffc11f2a460 R14: 0000000000000000 R15: 00000000000000f8
[ 50.269223]
[ 50.269530] irq event stamp: 10753
[ 50.269964] hardirqs last enabled at (10763): [] __up_console_sem+0x78/0x80
[ 50.271053] hardirqs last disabled at (10774): [] __up_console_sem+0x5d/0x80
[ 50.272142] softirqs last enabled at (10548): [] irq_exit_rcu+0x93/0xc0
[ 50.273179] softirqs last disabled at (10543): [] irq_exit_rcu+0x93/0xc0
[ 50.274235] ---[ end trace 0000000000000000 ]---
executing program
[ 51.733733] Bluetooth: hci0: command 0x0409 tx timeout
[ 53.780851] Bluetooth: hci0: command 0x041b tx timeout
executing program
[ 55.828247] Bluetooth: hci0: command 0x040f tx timeout
executing program
[ 57.876213] Bluetooth: hci0: command 0x0419 tx timeout
VM DIAGNOSIS:
12:21:32 Registers:
info registers vcpu 0
RAX=0000000000023c7b RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000
RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10
R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001
R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000
RIP=ffffffff844c599f RFL=00000206 [-----P-] 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=00007fd47f047108 CR3=000000000d616000 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=2032333a31323a32312036312079614d XMM01=5d3634363933312e30352020205b203a
XMM02=646f4d205d3634363933312e30352020 XMM03=6b7a79732032333a31323a3231203631
XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449
XMM06=57205d3638393733312e30352020205b XMM07=79732032333a31323a32312036312079
XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000
info registers vcpu 1
RAX=0000000000000050 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8
RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880185ef5f0
R8 =0000000000000001 R9 =000000000000000a R10=0000000000000050 R11=0000000000000001
R12=0000000000000050 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 0000555556f04400 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=00007fffba840000 CR3=000000000fd20000 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