Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:21046' (ECDSA) to the list of known hosts. 2023/05/18 00:30:59 fuzzer started 2023/05/18 00:30:59 dialing manager at localhost:44319 2023/05/18 00:30:59 checking machine... 2023/05/18 00:30:59 checking revisions... syzkaller login: [ 49.435803] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:30:59 testing simple program... [ 49.519697] cgroup: Unknown subsys name 'net' [ 49.612268] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 62.449163] audit: type=1400 audit(1684369872.754:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 63.569290] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.572445] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.574144] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.577943] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.580064] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.581659] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.007480] ------------[ cut here ]------------ [ 64.008720] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 64.011090] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.012354] Modules linked in: [ 64.012818] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 64.017494] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.018515] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.019206] 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 [ 64.021420] RSP: 0018:ffff88801f787c00 EFLAGS: 00010282 [ 64.022119] RAX: 0000000000000000 RBX: ffff8880165d9040 RCX: 0000000000000000 [ 64.023009] RDX: ffff88801a4d9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 64.023917] RBP: ffff8880165d9054 R08: 0000000000000001 R09: 0000000000000000 [ 64.024812] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 64.025736] R13: ffffffff84e23fe0 R14: ffff8880165d9048 R15: ffffffff84d74dc0 [ 64.026685] FS: 0000555556826400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.027764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.028524] CR2: 00007f24a9a676f4 CR3: 000000000e666000 CR4: 0000000000350ef0 [ 64.029472] Call Trace: [ 64.029845] [ 64.030154] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 64.030838] ipv4_frags_init_net+0x269/0x440 [ 64.031433] ops_init+0xbb/0x6b0 [ 64.031981] setup_net+0x3d9/0x990 [ 64.032464] ? down_read_killable+0x1d7/0x4e0 [ 64.033098] ? __pfx_setup_net+0x10/0x10 [ 64.033645] ? copy_net_ns+0x17c/0x770 [ 64.034209] copy_net_ns+0x321/0x770 [ 64.034713] create_new_namespaces+0x3f6/0xb30 [ 64.035360] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.036055] ksys_unshare+0x44d/0x8e0 [ 64.036568] ? __pfx_ksys_unshare+0x10/0x10 [ 64.037175] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.037957] __x64_sys_unshare+0x31/0x40 [ 64.038498] do_syscall_64+0x3f/0x90 [ 64.039043] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.039723] RIP: 0033:0x7f6fa4fe20d7 [ 64.040258] 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 [ 64.042511] RSP: 002b:00007ffeff1ac9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.043490] RAX: ffffffffffffffda RBX: 00007ffeff1ad018 RCX: 00007f6fa4fe20d7 [ 64.044435] RDX: 00007f6fa504c41f RSI: 00007ffeff1ac970 RDI: 0000000040000000 [ 64.045356] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeff1ac780 [ 64.046273] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6fa50f4bf0 [ 64.047202] R13: 00007ffeff1acab0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.048158] [ 64.048471] irq event stamp: 8803 [ 64.048945] hardirqs last enabled at (8815): [] __up_console_sem+0x78/0x80 [ 64.050051] hardirqs last disabled at (8826): [] __up_console_sem+0x5d/0x80 [ 64.051153] softirqs last enabled at (8676): [] irq_exit_rcu+0x93/0xc0 [ 64.052249] softirqs last disabled at (8671): [] irq_exit_rcu+0x93/0xc0 [ 64.053320] ---[ end trace 0000000000000000 ]--- [ 64.058982] ------------[ cut here ]------------ [ 64.059622] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 64.061337] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.062452] Modules linked in: [ 64.062904] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 64.064120] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.065182] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.065881] 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 [ 64.068173] RSP: 0018:ffff88801f787c00 EFLAGS: 00010282 [ 64.068890] RAX: 0000000000000000 RBX: ffff888016434a40 RCX: 0000000000000000 [ 64.069828] RDX: ffff88801a4d9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 64.070720] RBP: ffff888016434a54 R08: 0000000000000001 R09: 0000000000000000 [ 64.071646] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.072600] R13: ffffffff84e23fe0 R14: ffff888016434a48 R15: ffffffff84da7d60 [ 64.073532] FS: 0000555556826400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.074579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.075344] CR2: 00007f24a9a676f4 CR3: 000000000e666000 CR4: 0000000000350ef0 [ 64.076289] Call Trace: [ 64.076630] [ 64.076968] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 64.077606] ipv6_frags_init_net+0x206/0x3c0 [ 64.078214] ops_init+0xbb/0x6b0 [ 64.078690] setup_net+0x3d9/0x990 [ 64.079199] ? down_read_killable+0x1d7/0x4e0 [ 64.079821] ? __pfx_setup_net+0x10/0x10 [ 64.080380] ? copy_net_ns+0x17c/0x770 [ 64.080939] copy_net_ns+0x321/0x770 [ 64.081444] create_new_namespaces+0x3f6/0xb30 [ 64.082086] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.082733] ksys_unshare+0x44d/0x8e0 [ 64.083273] ? __pfx_ksys_unshare+0x10/0x10 [ 64.083880] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.084628] __x64_sys_unshare+0x31/0x40 [ 64.085206] do_syscall_64+0x3f/0x90 [ 64.085703] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.086403] RIP: 0033:0x7f6fa4fe20d7 [ 64.086913] 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 [ 64.089189] RSP: 002b:00007ffeff1ac9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.090173] RAX: ffffffffffffffda RBX: 00007ffeff1ad018 RCX: 00007f6fa4fe20d7 [ 64.091089] RDX: 00007f6fa504c41f RSI: 00007ffeff1ac970 RDI: 0000000040000000 [ 64.092030] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeff1ac780 [ 64.092952] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6fa50f4bf0 [ 64.093870] R13: 00007ffeff1acab0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.094816] [ 64.095133] irq event stamp: 10695 [ 64.095582] hardirqs last enabled at (10705): [] __up_console_sem+0x78/0x80 [ 64.096709] hardirqs last disabled at (10716): [] __up_console_sem+0x5d/0x80 [ 64.097850] softirqs last enabled at (9848): [] irq_exit_rcu+0x93/0xc0 [ 64.098931] softirqs last disabled at (9807): [] irq_exit_rcu+0x93/0xc0 [ 64.100025] ---[ end trace 0000000000000000 ]--- [ 64.101396] ------------[ cut here ]------------ [ 64.102109] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.104160] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.105278] Modules linked in: [ 64.105702] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 64.106926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.108003] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.108687] 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 [ 64.110968] RSP: 0018:ffff88801f787bf0 EFLAGS: 00010286 [ 64.111645] RAX: 0000000000000000 RBX: ffff888016435040 RCX: 0000000000000000 [ 64.112590] RDX: ffff88801a4d9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 64.113515] RBP: ffff888016435054 R08: 0000000000000001 R09: 0000000000000000 [ 64.114442] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.115393] R13: ffffffff84e23fe0 R14: ffff888016435048 R15: ffffffff84db0aa0 [ 64.116350] FS: 0000555556826400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.117387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.118165] CR2: 00007f24a9a676f4 CR3: 000000000e666000 CR4: 0000000000350ef0 [ 64.119085] Call Trace: [ 64.119427] [ 64.119734] nf_ct_net_init+0x224/0x3d0 [ 64.120323] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.120950] ops_init+0xbb/0x6b0 [ 64.121414] setup_net+0x3d9/0x990 [ 64.121922] ? down_read_killable+0x1d7/0x4e0 [ 64.122522] ? __pfx_setup_net+0x10/0x10 [ 64.123094] ? copy_net_ns+0x17c/0x770 [ 64.123630] copy_net_ns+0x321/0x770 [ 64.124184] create_new_namespaces+0x3f6/0xb30 [ 64.124818] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.125466] ksys_unshare+0x44d/0x8e0 [ 64.126002] ? __pfx_ksys_unshare+0x10/0x10 [ 64.126582] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.127359] __x64_sys_unshare+0x31/0x40 [ 64.127941] do_syscall_64+0x3f/0x90 [ 64.128444] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.129140] RIP: 0033:0x7f6fa4fe20d7 [ 64.129626] 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 [ 64.131892] RSP: 002b:00007ffeff1ac9d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.132879] RAX: ffffffffffffffda RBX: 00007ffeff1ad018 RCX: 00007f6fa4fe20d7 [ 64.133801] RDX: 00007f6fa504c41f RSI: 00007ffeff1ac970 RDI: 0000000040000000 [ 64.134696] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeff1ac780 [ 64.135622] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6fa50f4bf0 [ 64.136570] R13: 00007ffeff1acab0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.137528] [ 64.137877] irq event stamp: 11523 [ 64.138328] hardirqs last enabled at (11533): [] __up_console_sem+0x78/0x80 [ 64.139436] hardirqs last disabled at (11544): [] __up_console_sem+0x5d/0x80 [ 64.140545] softirqs last enabled at (11296): [] irq_exit_rcu+0x93/0xc0 [ 64.141632] softirqs last disabled at (11287): [] irq_exit_rcu+0x93/0xc0 [ 64.142725] ---[ end trace 0000000000000000 ]--- executing program [ 65.652556] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 67.698842] Bluetooth: hci0: command 0x041b tx timeout [ 69.746827] Bluetooth: hci0: command 0x040f tx timeout executing program [ 71.794801] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:31:01 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f7875f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556826400 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=00007f24a9a676f4 CR3=000000000e666000 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=0000000000000000 RBX=00000000000d000c RCX=00000000000d000d RDX=ffff88800c9c45f0 RSI=ffffea0000327100 RDI=0000000048800000 RBP=ffffea0000327100 RSP=ffff888016e5f760 R8 =0000000000000001 R9 =00000000800d000c R10=ffffea0000327100 R11=0000000000000001 R12=0000000000000000 R13=ffff88800844f780 R14=ffff88800c9c45f0 R15=ffff88800c9c45f0 RIP=ffffffff81809ae7 RFL=00000282 [--S----] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f8edd1ea900 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=00007f8edc5fee20 CR3=000000000eb66000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d8f928da5fab84ed0000000000111248 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=269223ba29531d5800000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000