Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:36179' (ECDSA) to the list of known hosts. 2023/05/16 17:12:36 fuzzer started 2023/05/16 17:12:36 dialing manager at localhost:35573 2023/05/16 17:12:36 checking machine... 2023/05/16 17:12:36 checking revisions... syzkaller login: [ 36.140421] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:12:37 testing simple program... [ 36.211632] cgroup: Unknown subsys name 'net' [ 36.305014] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.551440] audit: type=1400 audit(1684257170.538:6): 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 [ 50.673826] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.677248] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.679680] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.683202] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.686545] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.688711] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.084602] ------------[ cut here ]------------ [ 51.085324] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.087654] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.088994] Modules linked in: [ 51.089535] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.094423] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.095592] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.096233] 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 [ 51.098484] RSP: 0018:ffff88800fdbfc00 EFLAGS: 00010282 [ 51.099124] RAX: 0000000000000000 RBX: ffff88800f9d9440 RCX: 0000000000000000 [ 51.099994] RDX: ffff888016e61b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.100879] RBP: ffff88800f9d9454 R08: 0000000000000001 R09: 0000000000000000 [ 51.101789] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.102667] R13: ffffffff84e223a0 R14: ffff88800f9d9448 R15: ffffffff84d73340 [ 51.103560] FS: 0000555556f49400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.104536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.105234] CR2: 00007f27b0209c20 CR3: 000000001a112000 CR4: 0000000000350ef0 [ 51.106118] Call Trace: [ 51.106471] [ 51.106767] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.107405] ipv4_frags_init_net+0x269/0x440 [ 51.107952] ops_init+0xbb/0x6b0 [ 51.108419] setup_net+0x3d9/0x990 [ 51.108870] ? down_read_killable+0x1d7/0x4e0 [ 51.109482] ? __pfx_setup_net+0x10/0x10 [ 51.109985] ? copy_net_ns+0x17c/0x770 [ 51.110507] copy_net_ns+0x321/0x770 [ 51.110979] create_new_namespaces+0x3f6/0xb30 [ 51.111590] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.112193] ksys_unshare+0x44d/0x8e0 [ 51.112710] ? __pfx_ksys_unshare+0x10/0x10 [ 51.113245] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.113985] __x64_sys_unshare+0x31/0x40 [ 51.114525] do_syscall_64+0x3f/0x90 [ 51.114994] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.115671] RIP: 0033:0x7f4c403260d7 [ 51.116127] 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 [ 51.118303] RSP: 002b:00007ffc76c015e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.119246] RAX: ffffffffffffffda RBX: 00007ffc76c01c28 RCX: 00007f4c403260d7 [ 51.120133] RDX: 00007f4c4039041f RSI: 00007ffc76c01580 RDI: 0000000040000000 [ 51.121027] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc76c01390 [ 51.121943] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4c40438bf0 [ 51.122860] R13: 00007ffc76c016c0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.123818] [ 51.124132] irq event stamp: 7609 [ 51.124607] hardirqs last enabled at (7621): [] __up_console_sem+0x78/0x80 [ 51.125713] hardirqs last disabled at (7632): [] __up_console_sem+0x5d/0x80 [ 51.126814] softirqs last enabled at (7184): [] irq_exit_rcu+0x93/0xc0 [ 51.127886] softirqs last disabled at (7153): [] irq_exit_rcu+0x93/0xc0 [ 51.128930] ---[ end trace 0000000000000000 ]--- [ 51.134308] ------------[ cut here ]------------ [ 51.134954] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.136678] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.137783] Modules linked in: [ 51.138206] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.139441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.140499] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.141177] 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 [ 51.143506] RSP: 0018:ffff88800fdbfc00 EFLAGS: 00010282 [ 51.144196] RAX: 0000000000000000 RBX: ffff888016623240 RCX: 0000000000000000 [ 51.145147] RDX: ffff888016e61b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.146096] RBP: ffff888016623254 R08: 0000000000000001 R09: 0000000000000000 [ 51.147022] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.147956] R13: ffffffff84e223a0 R14: ffff888016623248 R15: ffffffff84da62e0 [ 51.148899] FS: 0000555556f49400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.149974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.150758] CR2: 00007f27b0209c20 CR3: 000000001a112000 CR4: 0000000000350ef0 [ 51.151710] Call Trace: [ 51.152043] [ 51.152350] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.153029] ipv6_frags_init_net+0x206/0x3c0 [ 51.153651] ops_init+0xbb/0x6b0 [ 51.154120] setup_net+0x3d9/0x990 [ 51.154631] ? down_read_killable+0x1d7/0x4e0 [ 51.155241] ? __pfx_setup_net+0x10/0x10 [ 51.155823] ? copy_net_ns+0x17c/0x770 [ 51.156351] copy_net_ns+0x321/0x770 [ 51.156891] create_new_namespaces+0x3f6/0xb30 [ 51.157543] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.158190] ksys_unshare+0x44d/0x8e0 [ 51.158729] ? __pfx_ksys_unshare+0x10/0x10 [ 51.159300] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.160067] __x64_sys_unshare+0x31/0x40 [ 51.160637] do_syscall_64+0x3f/0x90 [ 51.161137] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.161872] RIP: 0033:0x7f4c403260d7 [ 51.162353] 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 [ 51.164648] RSP: 002b:00007ffc76c015e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.165662] RAX: ffffffffffffffda RBX: 00007ffc76c01c28 RCX: 00007f4c403260d7 [ 51.166537] RDX: 00007f4c4039041f RSI: 00007ffc76c01580 RDI: 0000000040000000 [ 51.167416] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc76c01390 [ 51.168269] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4c40438bf0 [ 51.169180] R13: 00007ffc76c016c0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.170124] [ 51.170462] irq event stamp: 9225 [ 51.170888] hardirqs last enabled at (9235): [] __up_console_sem+0x78/0x80 [ 51.171948] hardirqs last disabled at (9246): [] __up_console_sem+0x5d/0x80 [ 51.173008] softirqs last enabled at (8774): [] irq_exit_rcu+0x93/0xc0 [ 51.174053] softirqs last disabled at (8769): [] irq_exit_rcu+0x93/0xc0 [ 51.175078] ---[ end trace 0000000000000000 ]--- [ 51.176468] ------------[ cut here ]------------ [ 51.177055] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.178994] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.180044] Modules linked in: [ 51.180482] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.181636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.182653] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.183289] 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 [ 51.185478] RSP: 0018:ffff88800fdbfbf0 EFLAGS: 00010286 [ 51.186125] RAX: 0000000000000000 RBX: ffff888016623840 RCX: 0000000000000000 [ 51.187007] RDX: ffff888016e61b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.187895] RBP: ffff888016623854 R08: 0000000000000001 R09: 0000000000000000 [ 51.188781] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.189674] R13: ffffffff84e223a0 R14: ffff888016623848 R15: ffffffff84daf020 [ 51.190569] FS: 0000555556f49400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.191557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.192266] CR2: 00007f27b0209c20 CR3: 000000001a112000 CR4: 0000000000350ef0 [ 51.193163] Call Trace: [ 51.193525] [ 51.193825] nf_ct_net_init+0x224/0x3d0 [ 51.194336] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.194929] ops_init+0xbb/0x6b0 [ 51.195396] setup_net+0x3d9/0x990 [ 51.195847] ? down_read_killable+0x1d7/0x4e0 [ 51.196429] ? __pfx_setup_net+0x10/0x10 [ 51.196930] ? copy_net_ns+0x17c/0x770 [ 51.197479] copy_net_ns+0x321/0x770 [ 51.197958] create_new_namespaces+0x3f6/0xb30 [ 51.198570] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.199180] ksys_unshare+0x44d/0x8e0 [ 51.199703] ? __pfx_ksys_unshare+0x10/0x10 [ 51.200246] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.200980] __x64_sys_unshare+0x31/0x40 [ 51.201540] do_syscall_64+0x3f/0x90 [ 51.202012] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.202669] RIP: 0033:0x7f4c403260d7 [ 51.203129] 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 [ 51.205274] RSP: 002b:00007ffc76c015e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.206221] RAX: ffffffffffffffda RBX: 00007ffc76c01c28 RCX: 00007f4c403260d7 [ 51.207113] RDX: 00007f4c4039041f RSI: 00007ffc76c01580 RDI: 0000000040000000 [ 51.208004] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc76c01390 [ 51.208895] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4c40438bf0 [ 51.209799] R13: 00007ffc76c016c0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.210709] [ 51.211007] irq event stamp: 9995 [ 51.211460] hardirqs last enabled at (10007): [] __up_console_sem+0x78/0x80 [ 51.212523] hardirqs last disabled at (10018): [] __up_console_sem+0x5d/0x80 [ 51.213596] softirqs last enabled at (9902): [] irq_exit_rcu+0x93/0xc0 [ 51.214618] softirqs last disabled at (9897): [] irq_exit_rcu+0x93/0xc0 [ 51.215641] ---[ end trace 0000000000000000 ]--- [ 52.752100] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.799451] Bluetooth: hci0: command 0x041b tx timeout [ 56.847462] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.896460] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:12:51 Registers: info registers vcpu 0 RAX=000000000000007a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fdbf5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000007a R11=0000000000000001 R12=000000000000007a 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 0000555556f49400 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=00007f27b0209c20 CR3=000000001a112000 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=00000000000283df RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f07b8039038 CR3=000000000d0de000 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=2032353a32313a37312036312079614d XMM01=5d3533353938302e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000