Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:33453' (ECDSA) to the list of known hosts. 2023/05/16 13:13:59 fuzzer started 2023/05/16 13:13:59 dialing manager at localhost:35573 2023/05/16 13:13:59 checking machine... 2023/05/16 13:13:59 checking revisions... syzkaller login: [ 42.399239] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:13:59 testing simple program... [ 42.464874] cgroup: Unknown subsys name 'net' [ 42.553911] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.581983] audit: type=1400 audit(1684242851.912:6): 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 [ 55.746772] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.748257] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.751867] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.755629] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.766732] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.768881] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.154219] ------------[ cut here ]------------ [ 56.155016] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.157205] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.158469] Modules linked in: [ 56.159006] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.163813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.164844] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.165533] 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 [ 56.167722] RSP: 0018:ffff88800f6e7c00 EFLAGS: 00010282 [ 56.168378] RAX: 0000000000000000 RBX: ffff88800f2eb840 RCX: 0000000000000000 [ 56.169299] RDX: ffff88800fc1d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.170187] RBP: ffff88800f2eb854 R08: 0000000000000001 R09: 0000000000000000 [ 56.171075] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.171972] R13: ffffffff84e223a0 R14: ffff88800f2eb848 R15: ffffffff84d73340 [ 56.172886] FS: 0000555556e31400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.173895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.174644] CR2: 00007f0ecde986f4 CR3: 000000000e922000 CR4: 0000000000350ee0 [ 56.175531] Call Trace: [ 56.175867] [ 56.176169] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.176821] ipv4_frags_init_net+0x269/0x440 [ 56.177411] ops_init+0xbb/0x6b0 [ 56.177889] setup_net+0x3d9/0x990 [ 56.178353] ? down_read_killable+0x1d7/0x4e0 [ 56.178956] ? __pfx_setup_net+0x10/0x10 [ 56.179509] ? copy_net_ns+0x17c/0x770 [ 56.180020] copy_net_ns+0x321/0x770 [ 56.180532] create_new_namespaces+0x3f6/0xb30 [ 56.181137] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.181791] ksys_unshare+0x44d/0x8e0 [ 56.182289] ? __pfx_ksys_unshare+0x10/0x10 [ 56.182866] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.183607] __x64_sys_unshare+0x31/0x40 [ 56.184135] do_syscall_64+0x3f/0x90 [ 56.184646] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.185316] RIP: 0033:0x7f16736370d7 [ 56.185817] 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 [ 56.187973] RSP: 002b:00007ffdacffa268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.188917] RAX: ffffffffffffffda RBX: 00007ffdacffa8a8 RCX: 00007f16736370d7 [ 56.189813] RDX: 00007f16736a141f RSI: 00007ffdacffa200 RDI: 0000000040000000 [ 56.190695] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdacffa010 [ 56.191583] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1673749bf0 [ 56.192441] R13: 00007ffdacffa340 R14: 0000000000000000 R15: 00000000000000f8 [ 56.193362] [ 56.193710] irq event stamp: 7967 [ 56.194139] hardirqs last enabled at (7977): [] __up_console_sem+0x78/0x80 [ 56.195198] hardirqs last disabled at (7988): [] __up_console_sem+0x5d/0x80 [ 56.196258] softirqs last enabled at (7962): [] irq_exit_rcu+0x93/0xc0 [ 56.197348] softirqs last disabled at (7953): [] irq_exit_rcu+0x93/0xc0 [ 56.198403] ---[ end trace 0000000000000000 ]--- [ 56.203897] ------------[ cut here ]------------ [ 56.204527] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.206171] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.207220] Modules linked in: [ 56.207654] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.208801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.209836] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.210474] 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 [ 56.212665] RSP: 0018:ffff88800f6e7c00 EFLAGS: 00010282 [ 56.213326] RAX: 0000000000000000 RBX: ffff888008d58240 RCX: 0000000000000000 [ 56.214224] RDX: ffff88800fc1d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.215122] RBP: ffff888008d58254 R08: 0000000000000001 R09: 0000000000000000 [ 56.216015] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.216911] R13: ffffffff84e223a0 R14: ffff888008d58248 R15: ffffffff84da62e0 [ 56.217836] FS: 0000555556e31400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.218862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.219604] CR2: 00007f0ecde986f4 CR3: 000000000e922000 CR4: 0000000000350ee0 [ 56.220459] Call Trace: [ 56.220812] [ 56.221125] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.221779] ipv6_frags_init_net+0x206/0x3c0 [ 56.222345] ops_init+0xbb/0x6b0 [ 56.222824] setup_net+0x3d9/0x990 [ 56.223283] ? down_read_killable+0x1d7/0x4e0 [ 56.223881] ? __pfx_setup_net+0x10/0x10 [ 56.224389] ? copy_net_ns+0x17c/0x770 [ 56.224926] copy_net_ns+0x321/0x770 [ 56.225429] create_new_namespaces+0x3f6/0xb30 [ 56.226044] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.226701] ksys_unshare+0x44d/0x8e0 [ 56.227198] ? __pfx_ksys_unshare+0x10/0x10 [ 56.227778] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.228558] __x64_sys_unshare+0x31/0x40 [ 56.229100] do_syscall_64+0x3f/0x90 [ 56.229628] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.230306] RIP: 0033:0x7f16736370d7 [ 56.230827] 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 [ 56.233143] RSP: 002b:00007ffdacffa268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.234146] RAX: ffffffffffffffda RBX: 00007ffdacffa8a8 RCX: 00007f16736370d7 [ 56.235079] RDX: 00007f16736a141f RSI: 00007ffdacffa200 RDI: 0000000040000000 [ 56.236024] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdacffa010 [ 56.236969] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1673749bf0 [ 56.237928] R13: 00007ffdacffa340 R14: 0000000000000000 R15: 00000000000000f8 [ 56.238862] [ 56.239173] irq event stamp: 9895 [ 56.239653] hardirqs last enabled at (9907): [] __up_console_sem+0x78/0x80 [ 56.240766] hardirqs last disabled at (9918): [] __up_console_sem+0x5d/0x80 [ 56.241879] softirqs last enabled at (9444): [] irq_exit_rcu+0x93/0xc0 [ 56.242939] softirqs last disabled at (9439): [] irq_exit_rcu+0x93/0xc0 [ 56.244028] ---[ end trace 0000000000000000 ]--- [ 56.245382] ------------[ cut here ]------------ [ 56.246020] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.247929] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.249049] Modules linked in: [ 56.249476] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.250695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.251755] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.252425] 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 [ 56.254695] RSP: 0018:ffff88800f6e7bf0 EFLAGS: 00010286 [ 56.255371] RAX: 0000000000000000 RBX: ffff888008d58a40 RCX: 0000000000000000 [ 56.256307] RDX: ffff88800fc1d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.257262] RBP: ffff888008d58a54 R08: 0000000000000001 R09: 0000000000000000 [ 56.258193] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.259110] R13: ffffffff84e223a0 R14: ffff888008d58a48 R15: ffffffff84daf020 [ 56.260044] FS: 0000555556e31400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.261083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.261867] CR2: 00007f0ecde986f4 CR3: 000000000e922000 CR4: 0000000000350ee0 [ 56.262798] Call Trace: [ 56.263139] [ 56.263449] nf_ct_net_init+0x224/0x3d0 [ 56.264025] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.264646] ops_init+0xbb/0x6b0 [ 56.265139] setup_net+0x3d9/0x990 [ 56.265641] ? down_read_killable+0x1d7/0x4e0 [ 56.266232] ? __pfx_setup_net+0x10/0x10 [ 56.266796] ? copy_net_ns+0x17c/0x770 [ 56.267314] copy_net_ns+0x321/0x770 [ 56.267835] create_new_namespaces+0x3f6/0xb30 [ 56.268442] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.269117] ksys_unshare+0x44d/0x8e0 [ 56.269658] ? __pfx_ksys_unshare+0x10/0x10 [ 56.270229] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.270993] __x64_sys_unshare+0x31/0x40 [ 56.271558] do_syscall_64+0x3f/0x90 [ 56.272057] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.272757] RIP: 0033:0x7f16736370d7 [ 56.273269] 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 [ 56.275530] RSP: 002b:00007ffdacffa268 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.276520] RAX: ffffffffffffffda RBX: 00007ffdacffa8a8 RCX: 00007f16736370d7 [ 56.277415] RDX: 00007f16736a141f RSI: 00007ffdacffa200 RDI: 0000000040000000 [ 56.278333] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdacffa010 [ 56.279254] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1673749bf0 [ 56.280176] R13: 00007ffdacffa340 R14: 0000000000000000 R15: 00000000000000f8 [ 56.281143] [ 56.281459] irq event stamp: 10665 [ 56.281946] hardirqs last enabled at (10677): [] __up_console_sem+0x78/0x80 [ 56.283060] hardirqs last disabled at (10688): [] __up_console_sem+0x5d/0x80 [ 56.284172] softirqs last enabled at (10552): [] irq_exit_rcu+0x93/0xc0 [ 56.285256] softirqs last disabled at (10547): [] irq_exit_rcu+0x93/0xc0 [ 56.286341] ---[ end trace 0000000000000000 ]--- executing program [ 57.834260] Bluetooth: hci0: command 0x0409 tx timeout [ 59.881579] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.929555] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.977555] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:14:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000002 RCX=ffffffff8542b190 RDX=1ffffffff0ef368b RSI=0000000000000008 RDI=ffffffff8779b458 RBP=0000000000000001 RSP=ffff88806ce09b60 R8 =0000000000000000 R9 =fffffbfff0ef2d39 R10=ffffffff877969cf R11=0000000000000001 R12=ffffffff8542b170 R13=ffffffff8542a780 R14=ffffffff8540f298 R15=ffffffff8779b3a0 RIP=ffffffff812d1196 RFL=00000046 [---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 0000000000000000 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=00007f37491bd070 CR3=000000000de94000 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=0f787690b43af4b0cd4297f835369bd4 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=7beeb23630ec510c000000000013bf70 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f3a4cd4a7f1fdaca00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800f6e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556e31400 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=00007f0ecde986f4 CR3=000000000e922000 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