Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:44486' (ECDSA) to the list of known hosts. 2023/05/17 18:23:10 fuzzer started 2023/05/17 18:23:11 dialing manager at localhost:44319 2023/05/17 18:23:11 checking machine... 2023/05/17 18:23:11 checking revisions... syzkaller login: [ 85.819911] kmemleak: Automatic memory scanning thread ended 2023/05/17 18:23:11 testing simple program... [ 85.893356] cgroup: Unknown subsys name 'net' [ 85.972648] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 98.714334] audit: type=1400 audit(1684347804.343:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 99.845326] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 99.848075] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 99.849326] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 99.853301] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 99.855243] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 99.856741] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 100.236951] ------------[ cut here ]------------ [ 100.237594] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 100.239265] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 100.240504] Modules linked in: [ 100.241038] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 100.243212] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 100.245737] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 100.247121] 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 [ 100.249308] RSP: 0018:ffff888019cefc00 EFLAGS: 00010282 [ 100.249965] RAX: 0000000000000000 RBX: ffff88800cadec40 RCX: 0000000000000000 [ 100.250772] RDX: ffff88800f63d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 100.251627] RBP: ffff88800cadec54 R08: 0000000000000001 R09: 0000000000000000 [ 100.252509] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 100.253399] R13: ffffffff84e23fe0 R14: ffff88800cadec48 R15: ffffffff84d74dc0 [ 100.254283] FS: 00005555571ac400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 100.255288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.256046] CR2: 00007fee72b626f4 CR3: 000000000c410000 CR4: 0000000000350ef0 [ 100.256963] Call Trace: [ 100.257310] [ 100.257616] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 100.258304] ipv4_frags_init_net+0x269/0x440 [ 100.258942] ops_init+0xbb/0x6b0 [ 100.259413] setup_net+0x3d9/0x990 [ 100.259944] ? down_read_killable+0x1d7/0x4e0 [ 100.260545] ? __pfx_setup_net+0x10/0x10 [ 100.261115] ? copy_net_ns+0x17c/0x770 [ 100.261640] copy_net_ns+0x321/0x770 [ 100.262185] create_new_namespaces+0x3f6/0xb30 [ 100.262812] unshare_nsproxy_namespaces+0xc1/0x200 [ 100.263501] ksys_unshare+0x44d/0x8e0 [ 100.264055] ? __pfx_ksys_unshare+0x10/0x10 [ 100.264634] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 100.265421] __x64_sys_unshare+0x31/0x40 [ 100.265998] do_syscall_64+0x3f/0x90 [ 100.266504] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 100.267215] RIP: 0033:0x7f710b3910d7 [ 100.267724] 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 [ 100.270049] RSP: 002b:00007fff7f56e378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 100.271041] RAX: ffffffffffffffda RBX: 00007fff7f56e9b8 RCX: 00007f710b3910d7 [ 100.271992] RDX: 00007f710b3fb41f RSI: 00007fff7f56e310 RDI: 0000000040000000 [ 100.272913] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7f56e120 [ 100.273794] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f710b4a3bf0 [ 100.274716] R13: 00007fff7f56e450 R14: 0000000000000000 R15: 00000000000000f8 [ 100.275682] [ 100.276032] irq event stamp: 8491 [ 100.276476] hardirqs last enabled at (8501): [] __up_console_sem+0x78/0x80 [ 100.277595] hardirqs last disabled at (8512): [] __up_console_sem+0x5d/0x80 [ 100.278700] softirqs last enabled at (8064): [] irq_exit_rcu+0x93/0xc0 [ 100.279809] softirqs last disabled at (8021): [] irq_exit_rcu+0x93/0xc0 [ 100.280896] ---[ end trace 0000000000000000 ]--- [ 100.288014] ------------[ cut here ]------------ [ 100.288634] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 100.290307] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 100.291412] Modules linked in: [ 100.291877] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 100.293085] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 100.294149] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 100.294816] 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 [ 100.297136] RSP: 0018:ffff888019cefc00 EFLAGS: 00010282 [ 100.297813] RAX: 0000000000000000 RBX: ffff8880136ca240 RCX: 0000000000000000 [ 100.298743] RDX: ffff88800f63d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 100.299704] RBP: ffff8880136ca254 R08: 0000000000000001 R09: 0000000000000000 [ 100.300641] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 100.301581] R13: ffffffff84e23fe0 R14: ffff8880136ca248 R15: ffffffff84da7d60 [ 100.302515] FS: 00005555571ac400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 100.303570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.304345] CR2: 00007fee72b626f4 CR3: 000000000c410000 CR4: 0000000000350ef0 [ 100.305276] Call Trace: [ 100.305611] [ 100.305953] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 100.306599] ipv6_frags_init_net+0x206/0x3c0 [ 100.307215] ops_init+0xbb/0x6b0 [ 100.307696] setup_net+0x3d9/0x990 [ 100.308208] ? down_read_killable+0x1d7/0x4e0 [ 100.308803] ? __pfx_setup_net+0x10/0x10 [ 100.309368] ? copy_net_ns+0x17c/0x770 [ 100.309931] copy_net_ns+0x321/0x770 [ 100.310439] create_new_namespaces+0x3f6/0xb30 [ 100.311086] unshare_nsproxy_namespaces+0xc1/0x200 [ 100.311746] ksys_unshare+0x44d/0x8e0 [ 100.312305] ? __pfx_ksys_unshare+0x10/0x10 [ 100.312926] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 100.313638] __x64_sys_unshare+0x31/0x40 [ 100.314191] do_syscall_64+0x3f/0x90 [ 100.314670] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 100.315353] RIP: 0033:0x7f710b3910d7 [ 100.315877] 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 [ 100.318077] RSP: 002b:00007fff7f56e378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 100.319101] RAX: ffffffffffffffda RBX: 00007fff7f56e9b8 RCX: 00007f710b3910d7 [ 100.320164] RDX: 00007f710b3fb41f RSI: 00007fff7f56e310 RDI: 0000000040000000 [ 100.321210] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7f56e120 [ 100.322255] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f710b4a3bf0 [ 100.323301] R13: 00007fff7f56e450 R14: 0000000000000000 R15: 00000000000000f8 [ 100.324386] [ 100.324736] irq event stamp: 10781 [ 100.325284] hardirqs last enabled at (10793): [] __up_console_sem+0x78/0x80 [ 100.326536] hardirqs last disabled at (10804): [] __up_console_sem+0x5d/0x80 [ 100.327809] softirqs last enabled at (10620): [] irq_exit_rcu+0x93/0xc0 [ 100.329033] softirqs last disabled at (10611): [] irq_exit_rcu+0x93/0xc0 [ 100.330252] ---[ end trace 0000000000000000 ]--- [ 100.331816] ------------[ cut here ]------------ [ 100.332564] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 100.334816] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 100.336138] Modules linked in: [ 100.336614] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 100.337979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 100.339156] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 100.339986] 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 [ 100.342593] RSP: 0018:ffff888019cefbf0 EFLAGS: 00010286 [ 100.343429] RAX: 0000000000000000 RBX: ffff8880136ca840 RCX: 0000000000000000 [ 100.344524] RDX: ffff88800f63d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 100.345613] RBP: ffff8880136ca854 R08: 0000000000000001 R09: 0000000000000000 [ 100.346688] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 100.347784] R13: ffffffff84e23fe0 R14: ffff8880136ca848 R15: ffffffff84db0aa0 [ 100.348891] FS: 00005555571ac400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 100.350106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.351001] CR2: 00007fee72b626f4 CR3: 000000000c410000 CR4: 0000000000350ef0 [ 100.352129] Call Trace: [ 100.352529] [ 100.352929] nf_ct_net_init+0x224/0x3d0 [ 100.353554] ? __pfx_nf_ct_net_init+0x10/0x10 [ 100.354292] ops_init+0xbb/0x6b0 [ 100.354863] setup_net+0x3d9/0x990 [ 100.355413] ? down_read_killable+0x1d7/0x4e0 [ 100.356154] ? __pfx_setup_net+0x10/0x10 [ 100.356778] ? copy_net_ns+0x17c/0x770 [ 100.357434] copy_net_ns+0x321/0x770 [ 100.358072] create_new_namespaces+0x3f6/0xb30 [ 100.358779] unshare_nsproxy_namespaces+0xc1/0x200 [ 100.359590] ksys_unshare+0x44d/0x8e0 [ 100.360230] ? __pfx_ksys_unshare+0x10/0x10 [ 100.360935] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 100.361799] __x64_sys_unshare+0x31/0x40 [ 100.362471] do_syscall_64+0x3f/0x90 [ 100.363104] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 100.363951] RIP: 0033:0x7f710b3910d7 [ 100.364503] 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 [ 100.367059] RSP: 002b:00007fff7f56e378 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 100.368225] RAX: ffffffffffffffda RBX: 00007fff7f56e9b8 RCX: 00007f710b3910d7 [ 100.369299] RDX: 00007f710b3fb41f RSI: 00007fff7f56e310 RDI: 0000000040000000 [ 100.370376] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7f56e120 [ 100.371438] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f710b4a3bf0 [ 100.372559] R13: 00007fff7f56e450 R14: 0000000000000000 R15: 00000000000000f8 [ 100.373699] [ 100.374112] irq event stamp: 11577 [ 100.374652] hardirqs last enabled at (11587): [] __up_console_sem+0x78/0x80 [ 100.376015] hardirqs last disabled at (11598): [] __up_console_sem+0x5d/0x80 [ 100.377357] softirqs last enabled at (11220): [] irq_exit_rcu+0x93/0xc0 [ 100.378651] softirqs last disabled at (11215): [] irq_exit_rcu+0x93/0xc0 [ 100.379957] ---[ end trace 0000000000000000 ]--- executing program [ 101.929528] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 103.978070] Bluetooth: hci0: command 0x041b tx timeout [ 106.024929] Bluetooth: hci0: command 0x040f tx timeout executing program [ 108.072922] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:22:35 Registers: info registers vcpu 0 RAX=0000000000000043 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019cef618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000043 R11=0000000000000001 R12=0000000000000043 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 00005555571ac400 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=00007fee72b626f4 CR3=000000000c410000 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=ffff88800f684a00 RCX=0000000000000000 RDX=0000000000000039 RSI=0000000000000000 RDI=ffffed1001ed0970 RBP=00000000000001c8 RSP=ffff88800fd2fa08 R8 =0000000000000001 R9 =0000000000000000 R10=ffffed1001ed0940 R11=0000000000000001 R12=ffff88800f684a00 R13=0000000000000dc0 R14=00000000000001c8 R15=0000000000000dc0 RIP=ffffffff844d1945 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 00007f8d6aa04900 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=00007f8d69eba5b8 CR3=000000000ee30000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d35f14e95510c1f600000000000cb580 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4a233e3ee22524cc00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000