Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:46073' (ECDSA) to the list of known hosts. 2023/05/17 18:42:15 fuzzer started 2023/05/17 18:42:15 dialing manager at localhost:44319 2023/05/17 18:42:15 checking machine... 2023/05/17 18:42:15 checking revisions... syzkaller login: [ 39.943584] kmemleak: Automatic memory scanning thread ended 2023/05/17 18:42:15 testing simple program... [ 40.005549] cgroup: Unknown subsys name 'net' [ 40.083763] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.759201] audit: type=1400 audit(1684348948.295:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.849296] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.853012] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.854645] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.857775] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.860678] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.862296] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.296574] ------------[ cut here ]------------ [ 54.297421] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.299242] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.300451] Modules linked in: [ 54.300923] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.305934] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.307248] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.308146] 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 [ 54.310664] RSP: 0018:ffff888016e7fc00 EFLAGS: 00010282 [ 54.311433] RAX: 0000000000000000 RBX: ffff88800c5d7440 RCX: 0000000000000000 [ 54.312441] RDX: ffff888017301b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.313446] RBP: ffff88800c5d7454 R08: 0000000000000001 R09: 0000000000000000 [ 54.314428] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.315409] R13: ffffffff84e23fe0 R14: ffff88800c5d7448 R15: ffffffff84d74dc0 [ 54.316374] FS: 0000555555d62400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.317488] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.318298] CR2: 00007f2fa6655430 CR3: 0000000016dee000 CR4: 0000000000350ee0 [ 54.319281] Call Trace: [ 54.319637] [ 54.319996] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.320699] ipv4_frags_init_net+0x269/0x440 [ 54.321350] ops_init+0xbb/0x6b0 [ 54.321877] setup_net+0x3d9/0x990 [ 54.322385] ? down_read_killable+0x1d7/0x4e0 [ 54.323050] ? __pfx_setup_net+0x10/0x10 [ 54.323620] ? copy_net_ns+0x17c/0x770 [ 54.324210] copy_net_ns+0x321/0x770 [ 54.324759] create_new_namespaces+0x3f6/0xb30 [ 54.325439] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.326121] ksys_unshare+0x44d/0x8e0 [ 54.326649] ? __pfx_ksys_unshare+0x10/0x10 [ 54.327249] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.328029] __x64_sys_unshare+0x31/0x40 [ 54.328583] do_syscall_64+0x3f/0x90 [ 54.329129] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.329841] RIP: 0033:0x7f6e8105f0d7 [ 54.330337] 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 [ 54.332629] RSP: 002b:00007fff38f4aa18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.333658] RAX: ffffffffffffffda RBX: 00007fff38f4b058 RCX: 00007f6e8105f0d7 [ 54.334611] RDX: 00007f6e810c941f RSI: 00007fff38f4a9b0 RDI: 0000000040000000 [ 54.335569] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff38f4a7c0 [ 54.336537] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6e81171bf0 [ 54.337499] R13: 00007fff38f4aaf0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.338499] [ 54.338850] irq event stamp: 8949 [ 54.339315] hardirqs last enabled at (8959): [] __up_console_sem+0x78/0x80 [ 54.340443] hardirqs last disabled at (8970): [] __up_console_sem+0x5d/0x80 [ 54.341574] softirqs last enabled at (8516): [] irq_exit_rcu+0x93/0xc0 [ 54.342696] softirqs last disabled at (8499): [] irq_exit_rcu+0x93/0xc0 [ 54.343826] ---[ end trace 0000000000000000 ]--- [ 54.349982] ------------[ cut here ]------------ [ 54.350617] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.352418] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.353577] Modules linked in: [ 54.354051] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.355269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.356338] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.357071] 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 [ 54.359370] RSP: 0018:ffff888016e7fc00 EFLAGS: 00010282 [ 54.360108] RAX: 0000000000000000 RBX: ffff8880100f9240 RCX: 0000000000000000 [ 54.361047] RDX: ffff888017301b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.361992] RBP: ffff8880100f9254 R08: 0000000000000001 R09: 0000000000000000 [ 54.362928] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.363867] R13: ffffffff84e23fe0 R14: ffff8880100f9248 R15: ffffffff84da7d60 [ 54.364834] FS: 0000555555d62400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.365887] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.366637] CR2: 00007f2fa6655430 CR3: 0000000016dee000 CR4: 0000000000350ee0 [ 54.367607] Call Trace: [ 54.367991] [ 54.368313] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.369024] ipv6_frags_init_net+0x206/0x3c0 [ 54.369628] ops_init+0xbb/0x6b0 [ 54.370132] setup_net+0x3d9/0x990 [ 54.370615] ? down_read_killable+0x1d7/0x4e0 [ 54.371250] ? __pfx_setup_net+0x10/0x10 [ 54.371792] ? copy_net_ns+0x17c/0x770 [ 54.372370] copy_net_ns+0x321/0x770 [ 54.372922] create_new_namespaces+0x3f6/0xb30 [ 54.373549] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.374231] ksys_unshare+0x44d/0x8e0 [ 54.374756] ? __pfx_ksys_unshare+0x10/0x10 [ 54.375363] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.376156] __x64_sys_unshare+0x31/0x40 [ 54.376710] do_syscall_64+0x3f/0x90 [ 54.377253] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.377988] RIP: 0033:0x7f6e8105f0d7 [ 54.378484] 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 [ 54.380835] RSP: 002b:00007fff38f4aa18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.381852] RAX: ffffffffffffffda RBX: 00007fff38f4b058 RCX: 00007f6e8105f0d7 [ 54.382775] RDX: 00007f6e810c941f RSI: 00007fff38f4a9b0 RDI: 0000000040000000 [ 54.383735] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff38f4a7c0 [ 54.384705] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6e81171bf0 [ 54.385662] R13: 00007fff38f4aaf0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.386649] [ 54.387007] irq event stamp: 10693 [ 54.387482] hardirqs last enabled at (10703): [] __up_console_sem+0x78/0x80 [ 54.388627] hardirqs last disabled at (10714): [] __up_console_sem+0x5d/0x80 [ 54.389819] softirqs last enabled at (10216): [] irq_exit_rcu+0x93/0xc0 [ 54.390927] softirqs last disabled at (10211): [] irq_exit_rcu+0x93/0xc0 [ 54.392042] ---[ end trace 0000000000000000 ]--- [ 54.393543] ------------[ cut here ]------------ [ 54.394242] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.396245] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.397405] Modules linked in: [ 54.397871] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.399113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.400190] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.400944] 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 [ 54.403278] RSP: 0018:ffff888016e7fbf0 EFLAGS: 00010286 [ 54.404020] RAX: 0000000000000000 RBX: ffff888008ef4e40 RCX: 0000000000000000 [ 54.405002] RDX: ffff888017301b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.405965] RBP: ffff888008ef4e54 R08: 0000000000000001 R09: 0000000000000000 [ 54.406926] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.407895] R13: ffffffff84e23fe0 R14: ffff888008ef4e48 R15: ffffffff84db0aa0 [ 54.408863] FS: 0000555555d62400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.409937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.410707] CR2: 00007f2fa6655430 CR3: 0000000016dee000 CR4: 0000000000350ee0 [ 54.411669] Call Trace: [ 54.412054] [ 54.412384] nf_ct_net_init+0x224/0x3d0 [ 54.412996] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.413617] ops_init+0xbb/0x6b0 [ 54.414130] setup_net+0x3d9/0x990 [ 54.414627] ? down_read_killable+0x1d7/0x4e0 [ 54.415279] ? __pfx_setup_net+0x10/0x10 [ 54.415866] ? copy_net_ns+0x17c/0x770 [ 54.416417] copy_net_ns+0x321/0x770 [ 54.416996] create_new_namespaces+0x3f6/0xb30 [ 54.417642] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.418345] ksys_unshare+0x44d/0x8e0 [ 54.418907] ? __pfx_ksys_unshare+0x10/0x10 [ 54.419501] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.420300] __x64_sys_unshare+0x31/0x40 [ 54.420916] do_syscall_64+0x3f/0x90 [ 54.421426] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.422155] RIP: 0033:0x7f6e8105f0d7 [ 54.422657] 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 [ 54.425020] RSP: 002b:00007fff38f4aa18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.426066] RAX: ffffffffffffffda RBX: 00007fff38f4b058 RCX: 00007f6e8105f0d7 [ 54.427032] RDX: 00007f6e810c941f RSI: 00007fff38f4a9b0 RDI: 0000000040000000 [ 54.427991] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff38f4a7c0 [ 54.428962] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6e81171bf0 [ 54.429901] R13: 00007fff38f4aaf0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.430891] [ 54.431217] irq event stamp: 11483 [ 54.431684] hardirqs last enabled at (11493): [] __up_console_sem+0x78/0x80 [ 54.432851] hardirqs last disabled at (11504): [] __up_console_sem+0x5d/0x80 [ 54.434001] softirqs last enabled at (11278): [] irq_exit_rcu+0x93/0xc0 [ 54.435123] softirqs last disabled at (11273): [] irq_exit_rcu+0x93/0xc0 [ 54.436237] ---[ end trace 0000000000000000 ]--- executing program [ 55.932494] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.979875] Bluetooth: hci0: command 0x041b tx timeout [ 60.027867] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.075893] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:42:27 Registers: info registers vcpu 0 RAX=00000000ca7a78d4 RBX=ffff888019753438 RCX=0000000000000000 RDX=ffff8880171051c0 RSI=ffffffff81b2e14a RDI=0000000000000005 RBP=0000000000000400 RSP=ffff88800c6ef718 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=ffff88801aa4f200 R13=ffff888010078000 R14=0000000000000000 R15=ffff888019753460 RIP=ffffffff81b2e7ed 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f61dc88d700 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=00007f2fa6686830 CR3=000000000db8e000 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=2039323a32343a38312037312079614d XMM01=5d3332393030332e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016e7f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555555d62400 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=00007f2fa6655430 CR3=0000000016dee000 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