Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:12981' (ECDSA) to the list of known hosts. 2023/05/16 11:14:11 fuzzer started 2023/05/16 11:14:11 dialing manager at localhost:35573 2023/05/16 11:14:11 checking machine... 2023/05/16 11:14:11 checking revisions... syzkaller login: [ 57.007298] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:14:12 testing simple program... [ 57.074612] cgroup: Unknown subsys name 'net' [ 57.145507] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 69.943824] audit: type=1400 audit(1684235665.068:6): avc: denied { execmem } for pid=267 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 71.110831] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.112359] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.114545] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.117398] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.119337] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.120563] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.532021] ------------[ cut here ]------------ [ 71.532832] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 71.534876] WARNING: CPU: 1 PID: 268 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.536144] Modules linked in: [ 71.536622] CPU: 1 PID: 268 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.541725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.543182] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.544152] 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 [ 71.546882] RSP: 0018:ffff88801f30fc00 EFLAGS: 00010282 [ 71.547726] RAX: 0000000000000000 RBX: ffff8880161e8440 RCX: 0000000000000000 [ 71.548821] RDX: ffff888016c90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.549918] RBP: ffff8880161e8454 R08: 0000000000000001 R09: 0000000000000000 [ 71.551023] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 71.552114] R13: ffffffff84e223a0 R14: ffff8880161e8448 R15: ffffffff84d73340 [ 71.553204] FS: 0000555556e7e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.554424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.555317] CR2: 00007f64bd1d76f4 CR3: 0000000006be2000 CR4: 0000000000350ee0 [ 71.556398] Call Trace: [ 71.556827] [ 71.557183] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 71.557951] ipv4_frags_init_net+0x269/0x440 [ 71.558645] ops_init+0xbb/0x6b0 [ 71.559231] setup_net+0x3d9/0x990 [ 71.559806] ? down_read_killable+0x1d7/0x4e0 [ 71.560485] ? __pfx_setup_net+0x10/0x10 [ 71.561135] ? copy_net_ns+0x17c/0x770 [ 71.561788] copy_net_ns+0x321/0x770 [ 71.562383] create_new_namespaces+0x3f6/0xb30 [ 71.563121] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.563900] ksys_unshare+0x44d/0x8e0 [ 71.564497] ? __pfx_ksys_unshare+0x10/0x10 [ 71.565196] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.566115] __x64_sys_unshare+0x31/0x40 [ 71.566787] do_syscall_64+0x3f/0x90 [ 71.567365] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.568180] RIP: 0033:0x7f7de6ec20d7 [ 71.568780] 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 [ 71.571414] RSP: 002b:00007fff861e69b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.572538] RAX: ffffffffffffffda RBX: 00007fff861e6ff8 RCX: 00007f7de6ec20d7 [ 71.573584] RDX: 00007f7de6f2c41f RSI: 00007fff861e6950 RDI: 0000000040000000 [ 71.574620] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff861e6760 [ 71.575647] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7de6fd4bf0 [ 71.576699] R13: 00007fff861e6a90 R14: 0000000000000000 R15: 00000000000000f8 [ 71.577706] [ 71.578039] irq event stamp: 8641 [ 71.578527] hardirqs last enabled at (8651): [] __up_console_sem+0x78/0x80 [ 71.579697] hardirqs last disabled at (8662): [] __up_console_sem+0x5d/0x80 [ 71.580836] softirqs last enabled at (8204): [] irq_exit_rcu+0x93/0xc0 [ 71.581963] softirqs last disabled at (8187): [] irq_exit_rcu+0x93/0xc0 [ 71.583109] ---[ end trace 0000000000000000 ]--- [ 71.588429] ------------[ cut here ]------------ [ 71.589271] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 71.591128] WARNING: CPU: 1 PID: 268 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.592266] Modules linked in: [ 71.592735] CPU: 1 PID: 268 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.594018] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.595300] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.596024] 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 [ 71.598360] RSP: 0018:ffff88801f30fc00 EFLAGS: 00010282 [ 71.599097] RAX: 0000000000000000 RBX: ffff88800dded440 RCX: 0000000000000000 [ 71.600072] RDX: ffff888016c90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.601048] RBP: ffff88800dded454 R08: 0000000000000001 R09: 0000000000000000 [ 71.602032] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.603020] R13: ffffffff84e223a0 R14: ffff88800dded448 R15: ffffffff84da62e0 [ 71.604005] FS: 0000555556e7e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.605083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.605890] CR2: 00007f64bd1d76f4 CR3: 0000000006be2000 CR4: 0000000000350ee0 [ 71.606867] Call Trace: [ 71.607222] [ 71.607544] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 71.608247] ipv6_frags_init_net+0x206/0x3c0 [ 71.608891] ops_init+0xbb/0x6b0 [ 71.609380] setup_net+0x3d9/0x990 [ 71.609923] ? down_read_killable+0x1d7/0x4e0 [ 71.610568] ? __pfx_setup_net+0x10/0x10 [ 71.611160] ? copy_net_ns+0x17c/0x770 [ 71.611742] copy_net_ns+0x321/0x770 [ 71.612271] create_new_namespaces+0x3f6/0xb30 [ 71.612953] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.613622] ksys_unshare+0x44d/0x8e0 [ 71.614193] ? __pfx_ksys_unshare+0x10/0x10 [ 71.614821] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.615601] __x64_sys_unshare+0x31/0x40 [ 71.616192] do_syscall_64+0x3f/0x90 [ 71.616737] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.617415] RIP: 0033:0x7f7de6ec20d7 [ 71.617944] 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 [ 71.620290] RSP: 002b:00007fff861e69b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.621304] RAX: ffffffffffffffda RBX: 00007fff861e6ff8 RCX: 00007f7de6ec20d7 [ 71.622290] RDX: 00007f7de6f2c41f RSI: 00007fff861e6950 RDI: 0000000040000000 [ 71.623245] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff861e6760 [ 71.624191] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7de6fd4bf0 [ 71.625146] R13: 00007fff861e6a90 R14: 0000000000000000 R15: 00000000000000f8 [ 71.626123] [ 71.626449] irq event stamp: 10131 [ 71.626948] hardirqs last enabled at (10143): [] __up_console_sem+0x78/0x80 [ 71.628096] hardirqs last disabled at (10154): [] __up_console_sem+0x5d/0x80 [ 71.629240] softirqs last enabled at (9880): [] irq_exit_rcu+0x93/0xc0 [ 71.630353] softirqs last disabled at (9871): [] irq_exit_rcu+0x93/0xc0 [ 71.631464] ---[ end trace 0000000000000000 ]--- [ 71.632970] ------------[ cut here ]------------ [ 71.633597] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 71.635796] WARNING: CPU: 1 PID: 268 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.636918] Modules linked in: [ 71.637342] CPU: 1 PID: 268 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.638576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.639676] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.640349] 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 [ 71.642623] RSP: 0018:ffff88801f30fbf0 EFLAGS: 00010286 [ 71.643327] RAX: 0000000000000000 RBX: ffff88801606b240 RCX: 0000000000000000 [ 71.644265] RDX: ffff888016c90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.645196] RBP: ffff88801606b254 R08: 0000000000000001 R09: 0000000000000000 [ 71.646160] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.647093] R13: ffffffff84e223a0 R14: ffff88801606b248 R15: ffffffff84daf020 [ 71.648040] FS: 0000555556e7e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.649082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.649867] CR2: 00007f64bd1d76f4 CR3: 0000000006be2000 CR4: 0000000000350ee0 [ 71.650807] Call Trace: [ 71.651152] [ 71.651461] nf_ct_net_init+0x224/0x3d0 [ 71.652052] ? __pfx_nf_ct_net_init+0x10/0x10 [ 71.652690] ops_init+0xbb/0x6b0 [ 71.653157] setup_net+0x3d9/0x990 [ 71.653622] ? down_read_killable+0x1d7/0x4e0 [ 71.654260] ? __pfx_setup_net+0x10/0x10 [ 71.654819] ? copy_net_ns+0x17c/0x770 [ 71.655344] copy_net_ns+0x321/0x770 [ 71.655875] create_new_namespaces+0x3f6/0xb30 [ 71.656484] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.657151] ksys_unshare+0x44d/0x8e0 [ 71.657688] ? __pfx_ksys_unshare+0x10/0x10 [ 71.658261] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.659027] __x64_sys_unshare+0x31/0x40 [ 71.659563] do_syscall_64+0x3f/0x90 [ 71.660088] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.660785] RIP: 0033:0x7f7de6ec20d7 [ 71.661271] 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 [ 71.663516] RSP: 002b:00007fff861e69b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.664513] RAX: ffffffffffffffda RBX: 00007fff861e6ff8 RCX: 00007f7de6ec20d7 [ 71.665436] RDX: 00007f7de6f2c41f RSI: 00007fff861e6950 RDI: 0000000040000000 [ 71.666374] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff861e6760 [ 71.667294] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7de6fd4bf0 [ 71.668208] R13: 00007fff861e6a90 R14: 0000000000000000 R15: 00000000000000f8 [ 71.669157] [ 71.669468] irq event stamp: 10935 [ 71.669944] hardirqs last enabled at (10947): [] __up_console_sem+0x78/0x80 [ 71.671051] hardirqs last disabled at (10958): [] __up_console_sem+0x5d/0x80 [ 71.672148] softirqs last enabled at (10652): [] irq_exit_rcu+0x93/0xc0 [ 71.673240] softirqs last disabled at (10647): [] irq_exit_rcu+0x93/0xc0 [ 71.674373] ---[ end trace 0000000000000000 ]--- executing program [ 73.194485] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 75.242732] Bluetooth: hci0: command 0x041b tx timeout [ 77.289725] Bluetooth: hci0: command 0x040f tx timeout executing program [ 79.337762] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:14:06 Registers: info registers vcpu 0 RAX=000000005db49a71 RBX=000000006f420451 RCX=0000000010228b7a RDX=0000000000000007 RSI=0000000000000002 RDI=00000000726acf0b RBP=ffffffff81376748 RSP=ffff88806ce09b70 R8 =000000004da67dfc R9 =ffffffff864af6f8 R10=0000000000038001 R11=0000000000000000 R12=0000000000000001 R13=0000000000000800 R14=ffff88806ce09bd8 R15=0000000000000007 RIP=ffffffff8227512f RFL=00000202 [-------] 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 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=00007fc0a9d13340 CR3=000000000c5ec000 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=2036323a34313a31312036312079614d XMM01=5d3232363633352e31372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f30f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556e7e400 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=00007f64bd1d76f4 CR3=0000000006be2000 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