Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:37230' (ECDSA) to the list of known hosts. 2023/05/18 10:15:10 fuzzer started 2023/05/18 10:15:11 dialing manager at localhost:44319 2023/05/18 10:15:11 checking machine... 2023/05/18 10:15:11 checking revisions... syzkaller login: [ 52.223008] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:15:11 testing simple program... [ 52.284764] cgroup: Unknown subsys name 'net' [ 52.353704] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 65.304764] audit: type=1400 audit(1684404924.309:6): avc: denied { execmem } for pid=266 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 66.423060] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.425847] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.428514] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.433783] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.437497] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.439998] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.803573] ------------[ cut here ]------------ [ 66.804255] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 66.805663] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.806409] Modules linked in: [ 66.806667] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 66.807393] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.808023] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.808426] 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 [ 66.809950] RSP: 0018:ffff88801ea57c00 EFLAGS: 00010282 [ 66.810371] RAX: 0000000000000000 RBX: ffff88800d7b8040 RCX: 0000000000000000 [ 66.810991] RDX: ffff88800e32d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 66.811554] RBP: ffff88800d7b8054 R08: 0000000000000001 R09: 0000000000000000 [ 66.815307] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 66.817179] R13: ffffffff84e23fe0 R14: ffff88800d7b8048 R15: ffffffff84d74dc0 [ 66.818212] FS: 00005555557a6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 66.818850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.819370] CR2: 00007f0dd79cc6f4 CR3: 000000000c984000 CR4: 0000000000350ef0 [ 66.820968] Call Trace: [ 66.821771] [ 66.822336] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 66.823506] ipv4_frags_init_net+0x269/0x440 [ 66.824513] ops_init+0xbb/0x6b0 [ 66.825464] setup_net+0x3d9/0x990 [ 66.826354] ? down_read_killable+0x1d7/0x4e0 [ 66.827448] ? __pfx_setup_net+0x10/0x10 [ 66.828455] ? copy_net_ns+0x17c/0x770 [ 66.829551] copy_net_ns+0x321/0x770 [ 66.830447] create_new_namespaces+0x3f6/0xb30 [ 66.831529] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.832780] ksys_unshare+0x44d/0x8e0 [ 66.833698] ? __pfx_ksys_unshare+0x10/0x10 [ 66.834740] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.836115] __x64_sys_unshare+0x31/0x40 [ 66.837182] do_syscall_64+0x3f/0x90 [ 66.838101] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.839278] RIP: 0033:0x7f0a9f0720d7 [ 66.840174] 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 [ 66.844318] RSP: 002b:00007ffdf9b587e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.846165] RAX: ffffffffffffffda RBX: 00007ffdf9b58e28 RCX: 00007f0a9f0720d7 [ 66.847753] RDX: 00007f0a9f0dc41f RSI: 00007ffdf9b58780 RDI: 0000000040000000 [ 66.849379] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf9b58590 [ 66.850032] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0a9f184bf0 [ 66.850588] R13: 00007ffdf9b588c0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.851213] [ 66.851443] irq event stamp: 7999 [ 66.851742] hardirqs last enabled at (8009): [] __up_console_sem+0x78/0x80 [ 66.852489] hardirqs last disabled at (8020): [] __up_console_sem+0x5d/0x80 [ 66.853168] softirqs last enabled at (7474): [] irq_exit_rcu+0x93/0xc0 [ 66.853867] softirqs last disabled at (7371): [] irq_exit_rcu+0x93/0xc0 [ 66.854543] ---[ end trace 0000000000000000 ]--- [ 66.859285] ------------[ cut here ]------------ [ 66.859673] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 66.860870] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.862032] Modules linked in: [ 66.862611] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 66.864344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.866103] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.867416] 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 [ 66.871795] RSP: 0018:ffff88801ea57c00 EFLAGS: 00010282 [ 66.873112] RAX: 0000000000000000 RBX: ffff88800e61a240 RCX: 0000000000000000 [ 66.874822] RDX: ffff88800e32d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 66.876570] RBP: ffff88800e61a254 R08: 0000000000000001 R09: 0000000000000000 [ 66.878278] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.880024] R13: ffffffff84e23fe0 R14: ffff88800e61a248 R15: ffffffff84da7d60 [ 66.881769] FS: 00005555557a6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 66.883689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.885072] CR2: 00007f0dd79cc6f4 CR3: 000000000c984000 CR4: 0000000000350ef0 [ 66.886801] Call Trace: [ 66.887417] [ 66.887964] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 66.889180] ipv6_frags_init_net+0x206/0x3c0 [ 66.890219] ops_init+0xbb/0x6b0 [ 66.891037] setup_net+0x3d9/0x990 [ 66.891932] ? down_read_killable+0x1d7/0x4e0 [ 66.893023] ? __pfx_setup_net+0x10/0x10 [ 66.893995] ? copy_net_ns+0x17c/0x770 [ 66.894932] copy_net_ns+0x321/0x770 [ 66.895828] create_new_namespaces+0x3f6/0xb30 [ 66.896922] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.898087] ksys_unshare+0x44d/0x8e0 [ 66.899001] ? __pfx_ksys_unshare+0x10/0x10 [ 66.900054] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.901429] __x64_sys_unshare+0x31/0x40 [ 66.902402] do_syscall_64+0x3f/0x90 [ 66.903299] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.904562] RIP: 0033:0x7f0a9f0720d7 [ 66.905488] 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 [ 66.909731] RSP: 002b:00007ffdf9b587e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.911543] RAX: ffffffffffffffda RBX: 00007ffdf9b58e28 RCX: 00007f0a9f0720d7 [ 66.913255] RDX: 00007f0a9f0dc41f RSI: 00007ffdf9b58780 RDI: 0000000040000000 [ 66.914917] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf9b58590 [ 66.916553] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0a9f184bf0 [ 66.918245] R13: 00007ffdf9b588c0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.919945] [ 66.920485] irq event stamp: 9789 [ 66.921329] hardirqs last enabled at (9801): [] __up_console_sem+0x78/0x80 [ 66.923328] hardirqs last disabled at (9818): [] __up_console_sem+0x5d/0x80 [ 66.925354] softirqs last enabled at (9814): [] irq_exit_rcu+0x93/0xc0 [ 66.927253] softirqs last disabled at (9809): [] irq_exit_rcu+0x93/0xc0 [ 66.929176] ---[ end trace 0000000000000000 ]--- [ 66.931079] ------------[ cut here ]------------ [ 66.932250] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 66.935344] WARNING: CPU: 0 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.937365] Modules linked in: [ 66.938154] CPU: 0 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 66.940321] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.941729] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.942195] 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 [ 66.943661] RSP: 0018:ffff88801ea57bf0 EFLAGS: 00010286 [ 66.944135] RAX: 0000000000000000 RBX: ffff88800e61bc40 RCX: 0000000000000000 [ 66.944710] RDX: ffff88800e32d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 66.945329] RBP: ffff88800e61bc54 R08: 0000000000000001 R09: 0000000000000000 [ 66.945935] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.946521] R13: ffffffff84e23fe0 R14: ffff88800e61bc48 R15: ffffffff84db0aa0 [ 66.947124] FS: 00005555557a6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 66.953841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.954316] CR2: 00007f0dd79cc6f4 CR3: 000000000c984000 CR4: 0000000000350ef0 [ 66.954912] Call Trace: [ 66.955132] [ 66.955333] nf_ct_net_init+0x224/0x3d0 [ 66.955722] ? __pfx_nf_ct_net_init+0x10/0x10 [ 66.956137] ops_init+0xbb/0x6b0 [ 66.956442] setup_net+0x3d9/0x990 [ 66.956747] ? down_read_killable+0x1d7/0x4e0 [ 66.957156] ? __pfx_setup_net+0x10/0x10 [ 66.957728] ? copy_net_ns+0x17c/0x770 [ 66.958532] copy_net_ns+0x321/0x770 [ 66.959248] create_new_namespaces+0x3f6/0xb30 [ 66.960186] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.961281] ksys_unshare+0x44d/0x8e0 [ 66.962208] ? __pfx_ksys_unshare+0x10/0x10 [ 66.963210] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.964566] __x64_sys_unshare+0x31/0x40 [ 66.965516] do_syscall_64+0x3f/0x90 [ 66.966449] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.967652] RIP: 0033:0x7f0a9f0720d7 [ 66.968532] 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 [ 66.972653] RSP: 002b:00007ffdf9b587e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.974403] RAX: ffffffffffffffda RBX: 00007ffdf9b58e28 RCX: 00007f0a9f0720d7 [ 66.976037] RDX: 00007f0a9f0dc41f RSI: 00007ffdf9b58780 RDI: 0000000040000000 [ 66.977682] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf9b58590 [ 66.978991] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0a9f184bf0 [ 66.980291] R13: 00007ffdf9b588c0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.981726] [ 66.982180] irq event stamp: 10721 [ 66.982783] hardirqs last enabled at (10731): [] __up_console_sem+0x78/0x80 [ 66.984340] hardirqs last disabled at (10744): [] __up_console_sem+0x5d/0x80 [ 66.986116] softirqs last enabled at (10758): [] irq_exit_rcu+0x93/0xc0 [ 66.987768] softirqs last disabled at (10753): [] irq_exit_rcu+0x93/0xc0 [ 66.989447] ---[ end trace 0000000000000000 ]--- executing program [ 68.507004] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 70.556911] Bluetooth: hci0: command 0x041b tx timeout [ 72.600911] Bluetooth: hci0: command 0x040f tx timeout executing program [ 74.649394] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:15:19 Registers: info registers vcpu 0 RAX=0000000000000038 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ea575f8 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000038 R11=0000000000000001 R12=0000000000000038 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 00005555557a6400 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=00007f0dd79cc6f4 CR3=000000000c984000 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=0000000000034651 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f2b18f1f4c0 CR3=000000000f328000 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=2035323a35313a30312038312079614d XMM01=5d3137333031382e36362020205b203a XMM02=30203a58435220303430386237643030 XMM03=30303030303030303030303030203a58 XMM04=38652039382038342030322034312036 XMM05=20383420386520393820383420623020 XMM06=20386520343820326520303420303620 XMM07=34203965203938206334203331206238 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000