Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:1760' (ECDSA) to the list of known hosts. 2023/05/17 23:43:49 fuzzer started 2023/05/17 23:43:50 dialing manager at localhost:44319 2023/05/17 23:43:50 checking machine... 2023/05/17 23:43:50 checking revisions... syzkaller login: [ 36.095949] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:43:50 testing simple program... [ 36.141978] cgroup: Unknown subsys name 'net' [ 36.191482] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.663325] audit: type=1400 audit(1684367042.972:6): 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 [ 49.785753] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.787984] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.790046] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.802347] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.804168] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.805694] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.198286] ------------[ cut here ]------------ [ 50.199250] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.201980] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.203550] Modules linked in: [ 50.204078] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.206318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.208564] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.209915] 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 [ 50.212652] RSP: 0018:ffff88801edb7c00 EFLAGS: 00010282 [ 50.213491] RAX: 0000000000000000 RBX: ffff8880101c4840 RCX: 0000000000000000 [ 50.214613] RDX: ffff88801eda8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.215728] RBP: ffff8880101c4854 R08: 0000000000000001 R09: 0000000000000000 [ 50.216829] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.217917] R13: ffffffff84e23fe0 R14: ffff8880101c4848 R15: ffffffff84d74dc0 [ 50.219028] FS: 0000555556b01400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.220282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.221222] CR2: 00007f8adfc73008 CR3: 0000000016fee000 CR4: 0000000000350ef0 [ 50.222330] Call Trace: [ 50.222783] [ 50.223167] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.223960] ipv4_frags_init_net+0x269/0x440 [ 50.224698] ops_init+0xbb/0x6b0 [ 50.225255] setup_net+0x3d9/0x990 [ 50.225879] ? down_read_killable+0x1d7/0x4e0 [ 50.226627] ? __pfx_setup_net+0x10/0x10 [ 50.227251] ? copy_net_ns+0x17c/0x770 [ 50.227914] copy_net_ns+0x321/0x770 [ 50.228566] create_new_namespaces+0x3f6/0xb30 [ 50.229280] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.230084] ksys_unshare+0x44d/0x8e0 [ 50.230745] ? __pfx_ksys_unshare+0x10/0x10 [ 50.231476] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.232364] __x64_sys_unshare+0x31/0x40 [ 50.233055] do_syscall_64+0x3f/0x90 [ 50.233698] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.234538] RIP: 0033:0x7fb9c01ba0d7 [ 50.235114] 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 [ 50.237831] RSP: 002b:00007ffc981a5ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.239007] RAX: ffffffffffffffda RBX: 00007ffc981a64e8 RCX: 00007fb9c01ba0d7 [ 50.240150] RDX: 00007fb9c022441f RSI: 00007ffc981a5e40 RDI: 0000000040000000 [ 50.241270] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc981a5c50 [ 50.242380] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb9c02ccbf0 [ 50.243476] R13: 00007ffc981a5f80 R14: 0000000000000000 R15: 00000000000000f8 [ 50.244615] [ 50.244983] irq event stamp: 9641 [ 50.245555] hardirqs last enabled at (9653): [] __up_console_sem+0x78/0x80 [ 50.246891] hardirqs last disabled at (9664): [] __up_console_sem+0x5d/0x80 [ 50.248211] softirqs last enabled at (9514): [] irq_exit_rcu+0x93/0xc0 [ 50.249510] softirqs last disabled at (9509): [] irq_exit_rcu+0x93/0xc0 [ 50.250793] ---[ end trace 0000000000000000 ]--- [ 50.256496] ------------[ cut here ]------------ [ 50.257217] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.259159] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.260490] Modules linked in: [ 50.260994] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.262452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.263740] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.264588] 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 [ 50.267312] RSP: 0018:ffff88801edb7c00 EFLAGS: 00010282 [ 50.268168] RAX: 0000000000000000 RBX: ffff88800e566c40 RCX: 0000000000000000 [ 50.269296] RDX: ffff88801eda8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.270442] RBP: ffff88800e566c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.271567] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.272686] R13: ffffffff84e23fe0 R14: ffff88800e566c48 R15: ffffffff84da7d60 [ 50.273765] FS: 0000555556b01400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.274745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.275489] CR2: 00007f8adfc73008 CR3: 0000000016fee000 CR4: 0000000000350ef0 [ 50.276295] Call Trace: [ 50.276644] [ 50.276930] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.277624] ipv6_frags_init_net+0x206/0x3c0 [ 50.278165] ops_init+0xbb/0x6b0 [ 50.278621] setup_net+0x3d9/0x990 [ 50.279059] ? down_read_killable+0x1d7/0x4e0 [ 50.279752] ? __pfx_setup_net+0x10/0x10 [ 50.280239] ? copy_net_ns+0x17c/0x770 [ 50.280754] copy_net_ns+0x321/0x770 [ 50.281216] create_new_namespaces+0x3f6/0xb30 [ 50.281820] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.282476] ksys_unshare+0x44d/0x8e0 [ 50.282960] ? __pfx_ksys_unshare+0x10/0x10 [ 50.283625] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.284330] __x64_sys_unshare+0x31/0x40 [ 50.284876] do_syscall_64+0x3f/0x90 [ 50.285358] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.286041] RIP: 0033:0x7fb9c01ba0d7 [ 50.286541] 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 [ 50.288759] RSP: 002b:00007ffc981a5ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.289723] RAX: ffffffffffffffda RBX: 00007ffc981a64e8 RCX: 00007fb9c01ba0d7 [ 50.290637] RDX: 00007fb9c022441f RSI: 00007ffc981a5e40 RDI: 0000000040000000 [ 50.291579] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc981a5c50 [ 50.292486] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb9c02ccbf0 [ 50.293357] R13: 00007ffc981a5f80 R14: 0000000000000000 R15: 00000000000000f8 [ 50.294309] [ 50.294646] irq event stamp: 11327 [ 50.295080] hardirqs last enabled at (11337): [] __up_console_sem+0x78/0x80 [ 50.296239] hardirqs last disabled at (11348): [] __up_console_sem+0x5d/0x80 [ 50.297412] softirqs last enabled at (11362): [] irq_exit_rcu+0x93/0xc0 [ 50.298539] softirqs last disabled at (11377): [] irq_exit_rcu+0x93/0xc0 [ 50.299634] ---[ end trace 0000000000000000 ]--- [ 50.301015] ------------[ cut here ]------------ [ 50.301709] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.303631] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.304698] Modules linked in: [ 50.305101] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.306264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.307325] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.308018] 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 [ 50.310246] RSP: 0018:ffff88801edb7bf0 EFLAGS: 00010286 [ 50.310924] RAX: 0000000000000000 RBX: ffff88800e567a40 RCX: 0000000000000000 [ 50.311846] RDX: ffff88801eda8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.312749] RBP: ffff88800e567a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.313699] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.314614] R13: ffffffff84e23fe0 R14: ffff88800e567a48 R15: ffffffff84db0aa0 [ 50.315619] FS: 0000555556b01400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.316617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.317331] CR2: 00007f8adfc73008 CR3: 0000000016fee000 CR4: 0000000000350ef0 [ 50.318230] Call Trace: [ 50.318592] [ 50.318904] nf_ct_net_init+0x224/0x3d0 [ 50.319456] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.320039] ops_init+0xbb/0x6b0 [ 50.320519] setup_net+0x3d9/0x990 [ 50.320982] ? down_read_killable+0x1d7/0x4e0 [ 50.321595] ? __pfx_setup_net+0x10/0x10 [ 50.322106] ? copy_net_ns+0x17c/0x770 [ 50.322653] copy_net_ns+0x321/0x770 [ 50.323168] create_new_namespaces+0x3f6/0xb30 [ 50.323788] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.324405] ksys_unshare+0x44d/0x8e0 [ 50.324942] ? __pfx_ksys_unshare+0x10/0x10 [ 50.325529] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.326250] __x64_sys_unshare+0x31/0x40 [ 50.326811] do_syscall_64+0x3f/0x90 [ 50.327309] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.328002] RIP: 0033:0x7fb9c01ba0d7 [ 50.328502] 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 [ 50.330686] RSP: 002b:00007ffc981a5ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.331624] RAX: ffffffffffffffda RBX: 00007ffc981a64e8 RCX: 00007fb9c01ba0d7 [ 50.332470] RDX: 00007fb9c022441f RSI: 00007ffc981a5e40 RDI: 0000000040000000 [ 50.333278] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc981a5c50 [ 50.334131] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb9c02ccbf0 [ 50.334992] R13: 00007ffc981a5f80 R14: 0000000000000000 R15: 00000000000000f8 [ 50.335900] [ 50.336205] irq event stamp: 12123 [ 50.336673] hardirqs last enabled at (12135): [] __up_console_sem+0x78/0x80 [ 50.337705] hardirqs last disabled at (12146): [] __up_console_sem+0x5d/0x80 [ 50.338747] softirqs last enabled at (11606): [] irq_exit_rcu+0x93/0xc0 [ 50.339816] softirqs last disabled at (11589): [] irq_exit_rcu+0x93/0xc0 [ 50.340853] ---[ end trace 0000000000000000 ]--- executing program [ 51.875177] Bluetooth: hci0: command 0x0409 tx timeout [ 53.922528] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.970496] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.018590] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:44:04 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801edb7618 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 0000555556b01400 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=00007f8adfc73008 CR3=0000000016fee000 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=00007f198666dfef RCX=ffffffff8139de7d RDX=ffff888016c4b680 RSI=0000000000000000 RDI=0000000000000006 RBP=ffffffffffffffff RSP=ffff8880178f7568 R8 =0000000000000006 R9 =00007f198666dfef R10=ffffffffffffffff R11=00000000000b6250 R12=0000000000000000 R13=0000000000000000 R14=ffff888016c4b680 R15=0000000000000000 RIP=ffffffff814be640 RFL=00000246 [---Z-P-] 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 00007f198582a700 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=00007f8adfbddc90 CR3=000000000df06000 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=2034303a34343a33322037312079614d XMM01=5d3436353830322e30352020205b203a XMM02=7379735f74656e5f7265747369676572 XMM03=30322e30352020205b203a6c656e7265 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3831333630322e30352020205b20 XMM07=732034303a34343a3332203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000