Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43366' (ECDSA) to the list of known hosts. 2023/05/18 10:38:01 fuzzer started 2023/05/18 10:38:02 dialing manager at localhost:44319 2023/05/18 10:38:02 checking machine... 2023/05/18 10:38:02 checking revisions... syzkaller login: [ 60.159031] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:38:02 testing simple program... [ 60.234241] cgroup: Unknown subsys name 'net' [ 60.343901] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 73.665137] audit: type=1400 audit(1684406295.906:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 74.792457] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.796014] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.798470] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.803645] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.807063] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.810499] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 75.201157] ------------[ cut here ]------------ [ 75.202373] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 75.204335] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.205615] Modules linked in: [ 75.206033] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 75.207439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.210870] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.211560] 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 [ 75.213776] RSP: 0018:ffff88801a34fc00 EFLAGS: 00010282 [ 75.214455] RAX: 0000000000000000 RBX: ffff88800f004440 RCX: 0000000000000000 [ 75.215382] RDX: ffff8880187751c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 75.216269] RBP: ffff88800f004454 R08: 0000000000000001 R09: 0000000000000000 [ 75.217140] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 75.218049] R13: ffffffff84e23fe0 R14: ffff88800f004448 R15: ffffffff84d74dc0 [ 75.218948] FS: 0000555555e0f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 75.219948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.220687] CR2: 00007f2d23be76f4 CR3: 000000000d410000 CR4: 0000000000350ee0 [ 75.221625] Call Trace: [ 75.221956] [ 75.222289] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 75.222910] ipv4_frags_init_net+0x269/0x440 [ 75.223507] ops_init+0xbb/0x6b0 [ 75.223968] setup_net+0x3d9/0x990 [ 75.224464] ? down_read_killable+0x1d7/0x4e0 [ 75.225046] ? __pfx_setup_net+0x10/0x10 [ 75.225617] ? copy_net_ns+0x17c/0x770 [ 75.226139] copy_net_ns+0x321/0x770 [ 75.226656] create_new_namespaces+0x3f6/0xb30 [ 75.227286] unshare_nsproxy_namespaces+0xc1/0x200 [ 75.227916] ksys_unshare+0x44d/0x8e0 [ 75.228449] ? __pfx_ksys_unshare+0x10/0x10 [ 75.228997] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 75.229756] __x64_sys_unshare+0x31/0x40 [ 75.230310] do_syscall_64+0x3f/0x90 [ 75.230793] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 75.231470] RIP: 0033:0x7f72971be0d7 [ 75.231939] 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 [ 75.234008] RSP: 002b:00007fff2eadc018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 75.234898] RAX: ffffffffffffffda RBX: 00007fff2eadc658 RCX: 00007f72971be0d7 [ 75.235750] RDX: 00007f729722841f RSI: 00007fff2eadbfb0 RDI: 0000000040000000 [ 75.236594] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff2eadbdc0 [ 75.237457] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f72972d0bf0 [ 75.238304] R13: 00007fff2eadc0f0 R14: 0000000000000000 R15: 00000000000000f8 [ 75.239132] [ 75.239460] irq event stamp: 8223 [ 75.239870] hardirqs last enabled at (8233): [] __up_console_sem+0x78/0x80 [ 75.240864] hardirqs last disabled at (8244): [] __up_console_sem+0x5d/0x80 [ 75.241862] softirqs last enabled at (8218): [] irq_exit_rcu+0x93/0xc0 [ 75.242837] softirqs last disabled at (8213): [] irq_exit_rcu+0x93/0xc0 [ 75.243812] ---[ end trace 0000000000000000 ]--- [ 75.250600] ------------[ cut here ]------------ [ 75.251223] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 75.252906] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.253972] Modules linked in: [ 75.254410] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 75.255539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.256527] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.257170] 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 [ 75.259250] RSP: 0018:ffff88801a34fc00 EFLAGS: 00010282 [ 75.259863] RAX: 0000000000000000 RBX: ffff88800f673a40 RCX: 0000000000000000 [ 75.260716] RDX: ffff8880187751c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 75.261586] RBP: ffff88800f673a54 R08: 0000000000000001 R09: 0000000000000000 [ 75.262472] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 75.263348] R13: ffffffff84e23fe0 R14: ffff88800f673a48 R15: ffffffff84da7d60 [ 75.264231] FS: 0000555555e0f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 75.265207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.265941] CR2: 00007f2d23be76f4 CR3: 000000000d410000 CR4: 0000000000350ee0 [ 75.266781] Call Trace: [ 75.267092] [ 75.267407] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 75.267987] ipv6_frags_init_net+0x206/0x3c0 [ 75.268543] ops_init+0xbb/0x6b0 [ 75.268968] setup_net+0x3d9/0x990 [ 75.269434] ? down_read_killable+0x1d7/0x4e0 [ 75.269967] ? __pfx_setup_net+0x10/0x10 [ 75.270479] ? copy_net_ns+0x17c/0x770 [ 75.270966] copy_net_ns+0x321/0x770 [ 75.271447] create_new_namespaces+0x3f6/0xb30 [ 75.272001] unshare_nsproxy_namespaces+0xc1/0x200 [ 75.272610] ksys_unshare+0x44d/0x8e0 [ 75.273069] ? __pfx_ksys_unshare+0x10/0x10 [ 75.273620] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 75.274326] __x64_sys_unshare+0x31/0x40 [ 75.274836] do_syscall_64+0x3f/0x90 [ 75.275318] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 75.275920] RIP: 0033:0x7f72971be0d7 [ 75.276386] 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 [ 75.278430] RSP: 002b:00007fff2eadc018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 75.279321] RAX: ffffffffffffffda RBX: 00007fff2eadc658 RCX: 00007f72971be0d7 [ 75.280120] RDX: 00007f729722841f RSI: 00007fff2eadbfb0 RDI: 0000000040000000 [ 75.280946] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff2eadbdc0 [ 75.281795] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f72972d0bf0 [ 75.282621] R13: 00007fff2eadc0f0 R14: 0000000000000000 R15: 00000000000000f8 [ 75.283476] [ 75.283764] irq event stamp: 12117 [ 75.284203] hardirqs last enabled at (12129): [] __up_console_sem+0x78/0x80 [ 75.285166] hardirqs last disabled at (12138): [] __up_console_sem+0x5d/0x80 [ 75.286207] softirqs last enabled at (11616): [] irq_exit_rcu+0x93/0xc0 [ 75.287146] softirqs last disabled at (11593): [] irq_exit_rcu+0x93/0xc0 [ 75.288113] ---[ end trace 0000000000000000 ]--- [ 75.289453] ------------[ cut here ]------------ [ 75.290002] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 75.291777] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.292769] Modules linked in: [ 75.293155] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 75.294264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.295169] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.295805] 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 [ 75.297845] RSP: 0018:ffff88801a34fbf0 EFLAGS: 00010286 [ 75.298493] RAX: 0000000000000000 RBX: ffff88800f673440 RCX: 0000000000000000 [ 75.299325] RDX: ffff8880187751c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 75.300132] RBP: ffff88800f673454 R08: 0000000000000001 R09: 0000000000000000 [ 75.300967] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 75.301803] R13: ffffffff84e23fe0 R14: ffff88800f673448 R15: ffffffff84db0aa0 [ 75.302655] FS: 0000555555e0f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 75.303580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.304272] CR2: 00007f2d23be76f4 CR3: 000000000d410000 CR4: 0000000000350ee0 [ 75.305070] Call Trace: [ 75.305425] [ 75.305713] nf_ct_net_init+0x224/0x3d0 [ 75.306235] ? __pfx_nf_ct_net_init+0x10/0x10 [ 75.306777] ops_init+0xbb/0x6b0 [ 75.307226] setup_net+0x3d9/0x990 [ 75.307653] ? down_read_killable+0x1d7/0x4e0 [ 75.308220] ? __pfx_setup_net+0x10/0x10 [ 75.308702] ? copy_net_ns+0x17c/0x770 [ 75.309211] copy_net_ns+0x321/0x770 [ 75.309681] create_new_namespaces+0x3f6/0xb30 [ 75.310263] unshare_nsproxy_namespaces+0xc1/0x200 [ 75.310840] ksys_unshare+0x44d/0x8e0 [ 75.311332] ? __pfx_ksys_unshare+0x10/0x10 [ 75.311847] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 75.312537] __x64_sys_unshare+0x31/0x40 [ 75.313029] do_syscall_64+0x3f/0x90 [ 75.313534] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 75.314140] RIP: 0033:0x7f72971be0d7 [ 75.314603] 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 [ 75.316635] RSP: 002b:00007fff2eadc018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 75.317535] RAX: ffffffffffffffda RBX: 00007fff2eadc658 RCX: 00007f72971be0d7 [ 75.318372] RDX: 00007f729722841f RSI: 00007fff2eadbfb0 RDI: 0000000040000000 [ 75.319204] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff2eadbdc0 [ 75.320000] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f72972d0bf0 [ 75.320825] R13: 00007fff2eadc0f0 R14: 0000000000000000 R15: 00000000000000f8 [ 75.321683] [ 75.321970] irq event stamp: 12901 [ 75.322406] hardirqs last enabled at (12913): [] __up_console_sem+0x78/0x80 [ 75.323402] hardirqs last disabled at (12924): [] __up_console_sem+0x5d/0x80 [ 75.324396] softirqs last enabled at (12554): [] irq_exit_rcu+0x93/0xc0 [ 75.325380] softirqs last disabled at (12549): [] irq_exit_rcu+0x93/0xc0 [ 75.326359] ---[ end trace 0000000000000000 ]--- [ 76.863648] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 78.911429] Bluetooth: hci0: command 0x041b tx timeout [ 80.960249] Bluetooth: hci0: command 0x040f tx timeout executing program [ 83.007292] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:38:01 Registers: info registers vcpu 0 RAX=0000000000023c73 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=00007f413e8cbbf0 CR3=00000000161ac000 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=2037313a38333a30312038312079614d XMM01=5d3333303630322e35372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000051 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a34f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000051 R11=0000000000000001 R12=0000000000000051 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 0000555555e0f400 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=00007f2d23be76f4 CR3=000000000d410000 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