Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:41903' (ECDSA) to the list of known hosts. 2023/05/16 14:55:48 fuzzer started 2023/05/16 14:55:49 dialing manager at localhost:35573 2023/05/16 14:55:49 checking machine... 2023/05/16 14:55:49 checking revisions... syzkaller login: [ 37.547904] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:55:49 testing simple program... [ 37.609638] cgroup: Unknown subsys name 'net' [ 37.710607] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.666623] audit: type=1400 audit(1684248961.353:6): 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 [ 50.764901] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.767895] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.769179] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.773546] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.776696] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.778098] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.191720] ------------[ cut here ]------------ [ 51.192517] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.194670] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.195634] Modules linked in: [ 51.195956] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.196979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.200778] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.201311] 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 [ 51.203020] RSP: 0018:ffff888019e7fc00 EFLAGS: 00010282 [ 51.203557] RAX: 0000000000000000 RBX: ffff88800c54e840 RCX: 0000000000000000 [ 51.204230] RDX: ffff888019de3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.204914] RBP: ffff88800c54e854 R08: 0000000000000001 R09: 0000000000000000 [ 51.205614] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.206300] R13: ffffffff84e223a0 R14: ffff88800c54e848 R15: ffffffff84d73340 [ 51.206969] FS: 0000555556c8b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.207743] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.208318] CR2: 00007efea763f6f4 CR3: 000000001eb48000 CR4: 0000000000350ee0 [ 51.208986] Call Trace: [ 51.209237] [ 51.209497] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.209972] ipv4_frags_init_net+0x269/0x440 [ 51.210429] ops_init+0xbb/0x6b0 [ 51.210780] setup_net+0x3d9/0x990 [ 51.211142] ? down_read_killable+0x1d7/0x4e0 [ 51.211649] ? __pfx_setup_net+0x10/0x10 [ 51.212070] ? copy_net_ns+0x17c/0x770 [ 51.212507] copy_net_ns+0x321/0x770 [ 51.212896] create_new_namespaces+0x3f6/0xb30 [ 51.213397] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.213914] ksys_unshare+0x44d/0x8e0 [ 51.214339] ? __pfx_ksys_unshare+0x10/0x10 [ 51.214785] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.215402] __x64_sys_unshare+0x31/0x40 [ 51.215827] do_syscall_64+0x3f/0x90 [ 51.216213] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.216753] RIP: 0033:0x7f1d612190d7 [ 51.217137] 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 [ 51.218848] RSP: 002b:00007ffd3c6e40c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.219579] RAX: ffffffffffffffda RBX: 00007ffd3c6e4708 RCX: 00007f1d612190d7 [ 51.220233] RDX: 00007f1d6128341f RSI: 00007ffd3c6e4060 RDI: 0000000040000000 [ 51.220904] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3c6e3e70 [ 51.221592] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1d6132bbf0 [ 51.222245] R13: 00007ffd3c6e41a0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.222945] [ 51.223179] irq event stamp: 7629 [ 51.223534] hardirqs last enabled at (7641): [] __up_console_sem+0x78/0x80 [ 51.224359] hardirqs last disabled at (7652): [] __up_console_sem+0x5d/0x80 [ 51.225143] softirqs last enabled at (7190): [] irq_exit_rcu+0x93/0xc0 [ 51.225968] softirqs last disabled at (7135): [] irq_exit_rcu+0x93/0xc0 [ 51.226807] ---[ end trace 0000000000000000 ]--- [ 51.230967] ------------[ cut here ]------------ [ 51.231559] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.232859] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.233736] Modules linked in: [ 51.234049] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.234942] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.235723] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.236219] 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 [ 51.237915] RSP: 0018:ffff888019e7fc00 EFLAGS: 00010282 [ 51.238442] RAX: 0000000000000000 RBX: ffff8880096d5640 RCX: 0000000000000000 [ 51.239109] RDX: ffff888019de3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.239799] RBP: ffff8880096d5654 R08: 0000000000000001 R09: 0000000000000000 [ 51.240488] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.241148] R13: ffffffff84e223a0 R14: ffff8880096d5648 R15: ffffffff84da62e0 [ 51.241856] FS: 0000555556c8b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.242675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.243251] CR2: 00007efea763f6f4 CR3: 000000001eb48000 CR4: 0000000000350ee0 [ 51.243979] Call Trace: [ 51.244247] [ 51.244502] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.245005] ipv6_frags_init_net+0x206/0x3c0 [ 51.245501] ops_init+0xbb/0x6b0 [ 51.245866] setup_net+0x3d9/0x990 [ 51.246237] ? down_read_killable+0x1d7/0x4e0 [ 51.246734] ? __pfx_setup_net+0x10/0x10 [ 51.247148] ? copy_net_ns+0x17c/0x770 [ 51.247582] copy_net_ns+0x321/0x770 [ 51.247982] create_new_namespaces+0x3f6/0xb30 [ 51.248480] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.248989] ksys_unshare+0x44d/0x8e0 [ 51.249410] ? __pfx_ksys_unshare+0x10/0x10 [ 51.250092] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.250681] __x64_sys_unshare+0x31/0x40 [ 51.251084] do_syscall_64+0x3f/0x90 [ 51.251472] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.251963] RIP: 0033:0x7f1d612190d7 [ 51.252341] 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 [ 51.254034] RSP: 002b:00007ffd3c6e40c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.254765] RAX: ffffffffffffffda RBX: 00007ffd3c6e4708 RCX: 00007f1d612190d7 [ 51.255442] RDX: 00007f1d6128341f RSI: 00007ffd3c6e4060 RDI: 0000000040000000 [ 51.256100] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3c6e3e70 [ 51.256785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1d6132bbf0 [ 51.257481] R13: 00007ffd3c6e41a0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.258167] [ 51.258427] irq event stamp: 9295 [ 51.258757] hardirqs last enabled at (9305): [] __up_console_sem+0x78/0x80 [ 51.259576] hardirqs last disabled at (9316): [] __up_console_sem+0x5d/0x80 [ 51.260396] softirqs last enabled at (9268): [] irq_exit_rcu+0x93/0xc0 [ 51.261158] softirqs last disabled at (9259): [] irq_exit_rcu+0x93/0xc0 [ 51.261961] ---[ end trace 0000000000000000 ]--- [ 51.262957] ------------[ cut here ]------------ [ 51.263430] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.264863] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.265702] Modules linked in: [ 51.266024] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.266915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.267698] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.268193] 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 [ 51.269876] RSP: 0018:ffff888019e7fbf0 EFLAGS: 00010286 [ 51.270405] RAX: 0000000000000000 RBX: ffff8880096d5040 RCX: 0000000000000000 [ 51.271062] RDX: ffff888019de3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.271748] RBP: ffff8880096d5054 R08: 0000000000000001 R09: 0000000000000000 [ 51.272433] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.273095] R13: ffffffff84e223a0 R14: ffff8880096d5048 R15: ffffffff84daf020 [ 51.273801] FS: 0000555556c8b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.274567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.275115] CR2: 00007efea763f6f4 CR3: 000000001eb48000 CR4: 0000000000350ee0 [ 51.275793] Call Trace: [ 51.276044] [ 51.276295] nf_ct_net_init+0x224/0x3d0 [ 51.276696] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.277137] ops_init+0xbb/0x6b0 [ 51.277511] setup_net+0x3d9/0x990 [ 51.277865] ? down_read_killable+0x1d7/0x4e0 [ 51.278327] ? __pfx_setup_net+0x10/0x10 [ 51.278720] ? copy_net_ns+0x17c/0x770 [ 51.279107] copy_net_ns+0x321/0x770 [ 51.279494] create_new_namespaces+0x3f6/0xb30 [ 51.279945] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.280442] ksys_unshare+0x44d/0x8e0 [ 51.280839] ? __pfx_ksys_unshare+0x10/0x10 [ 51.281262] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.281855] __x64_sys_unshare+0x31/0x40 [ 51.282253] do_syscall_64+0x3f/0x90 [ 51.282648] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.283144] RIP: 0033:0x7f1d612190d7 [ 51.283517] 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 [ 51.285223] RSP: 002b:00007ffd3c6e40c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.285995] RAX: ffffffffffffffda RBX: 00007ffd3c6e4708 RCX: 00007f1d612190d7 [ 51.286722] RDX: 00007f1d6128341f RSI: 00007ffd3c6e4060 RDI: 0000000040000000 [ 51.287436] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3c6e3e70 [ 51.288139] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1d6132bbf0 [ 51.288854] R13: 00007ffd3c6e41a0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.289608] [ 51.289849] irq event stamp: 10009 [ 51.290211] hardirqs last enabled at (10019): [] __up_console_sem+0x78/0x80 [ 51.291080] hardirqs last disabled at (10030): [] __up_console_sem+0x5d/0x80 [ 51.291953] softirqs last enabled at (9268): [] irq_exit_rcu+0x93/0xc0 [ 51.292793] softirqs last disabled at (9259): [] irq_exit_rcu+0x93/0xc0 [ 51.293600] ---[ end trace 0000000000000000 ]--- executing program [ 52.850041] Bluetooth: hci0: command 0x0409 tx timeout [ 54.897350] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.945350] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.993359] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 14:56:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=1ffff11001e72e7d RSI=ffffffff818492b2 RDI=ffff88800f3973a8 RBP=ffff88800f397400 RSP=ffff88800f397338 R8 =ffffffff861342b6 R9 =ffffffff861342ba R10=0000000000038001 R11=ffff88800f3973e8 R12=ffff88800f397408 R13=ffff88800f3973f0 R14=ffff88800f3973e9 R15=ffff88800f3973a8 RIP=ffffffff811313ca RFL=00000216 [----AP-] 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 00007fcf3937b900 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=00007fcf3876fbf0 CR3=000000000da5c000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=7e58ff0567c833fe000000000013c240 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=dadb2e713e6dfe4000000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019e7f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 0000555556c8b400 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=00007efea763f6f4 CR3=000000001eb48000 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