Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:29787' (ECDSA) to the list of known hosts. 2023/05/17 05:10:11 fuzzer started 2023/05/17 05:10:12 dialing manager at localhost:35573 2023/05/17 05:10:12 checking machine... 2023/05/17 05:10:12 checking revisions... syzkaller login: [ 49.474811] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:10:12 testing simple program... [ 49.525344] cgroup: Unknown subsys name 'net' [ 49.567638] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.642967] audit: type=1400 audit(1684300224.631:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 62.769028] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.771050] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.773468] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.777322] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.780743] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.781995] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 63.229856] ------------[ cut here ]------------ [ 63.231159] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 63.233014] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.234154] Modules linked in: [ 63.234629] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.239555] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.240689] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.241413] 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 [ 63.243766] RSP: 0018:ffff88801a627c00 EFLAGS: 00010282 [ 63.244465] RAX: 0000000000000000 RBX: ffff88801615b840 RCX: 0000000000000000 [ 63.245453] RDX: ffff88800f613680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.246424] RBP: ffff88801615b854 R08: 0000000000000001 R09: 0000000000000000 [ 63.247391] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.248343] R13: ffffffff84e223a0 R14: ffff88801615b848 R15: ffffffff84d73340 [ 63.249343] FS: 0000555557116400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.250435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.251250] CR2: 00007f874593d6f4 CR3: 0000000019ff2000 CR4: 0000000000350ef0 [ 63.252211] Call Trace: [ 63.252608] [ 63.252958] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 63.253653] ipv4_frags_init_net+0x269/0x440 [ 63.254254] ops_init+0xbb/0x6b0 [ 63.254770] setup_net+0x3d9/0x990 [ 63.255256] ? down_read_killable+0x1d7/0x4e0 [ 63.255912] ? __pfx_setup_net+0x10/0x10 [ 63.256458] ? copy_net_ns+0x17c/0x770 [ 63.257057] copy_net_ns+0x321/0x770 [ 63.257615] create_new_namespaces+0x3f6/0xb30 [ 63.258252] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.258954] ksys_unshare+0x44d/0x8e0 [ 63.259477] ? __pfx_ksys_unshare+0x10/0x10 [ 63.260109] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.260934] __x64_sys_unshare+0x31/0x40 [ 63.261497] do_syscall_64+0x3f/0x90 [ 63.262058] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.262787] RIP: 0033:0x7fc718d850d7 [ 63.263286] 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 [ 63.265592] RSP: 002b:00007ffcbc283b08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.266613] RAX: ffffffffffffffda RBX: 00007ffcbc284148 RCX: 00007fc718d850d7 [ 63.267570] RDX: 00007fc718def41f RSI: 00007ffcbc283aa0 RDI: 0000000040000000 [ 63.268484] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbc2838b0 [ 63.269463] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc718e97bf0 [ 63.270420] R13: 00007ffcbc283be0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.271408] [ 63.271769] irq event stamp: 9473 [ 63.272219] hardirqs last enabled at (9483): [] __up_console_sem+0x78/0x80 [ 63.273373] hardirqs last disabled at (9494): [] __up_console_sem+0x5d/0x80 [ 63.274511] softirqs last enabled at (9120): [] irq_exit_rcu+0x93/0xc0 [ 63.275631] softirqs last disabled at (9115): [] irq_exit_rcu+0x93/0xc0 [ 63.276749] ---[ end trace 0000000000000000 ]--- [ 63.283071] ------------[ cut here ]------------ [ 63.283734] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 63.285467] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.286626] Modules linked in: [ 63.287069] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.288335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.289442] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.290192] 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 [ 63.292508] RSP: 0018:ffff88801a627c00 EFLAGS: 00010282 [ 63.293283] RAX: 0000000000000000 RBX: ffff8880142da240 RCX: 0000000000000000 [ 63.294233] RDX: ffff88800f613680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.295189] RBP: ffff8880142da254 R08: 0000000000000001 R09: 0000000000000000 [ 63.296139] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.297117] R13: ffffffff84e223a0 R14: ffff8880142da248 R15: ffffffff84da62e0 [ 63.298089] FS: 0000555557116400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.299162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.299967] CR2: 00007f874593d6f4 CR3: 0000000019ff2000 CR4: 0000000000350ef0 [ 63.300962] Call Trace: [ 63.301317] [ 63.301687] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 63.302354] ipv6_frags_init_net+0x206/0x3c0 [ 63.302999] ops_init+0xbb/0x6b0 [ 63.303475] setup_net+0x3d9/0x990 [ 63.304001] ? down_read_killable+0x1d7/0x4e0 [ 63.304647] ? __pfx_setup_net+0x10/0x10 [ 63.305210] ? copy_net_ns+0x17c/0x770 [ 63.305808] copy_net_ns+0x321/0x770 [ 63.306337] create_new_namespaces+0x3f6/0xb30 [ 63.307016] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.307717] ksys_unshare+0x44d/0x8e0 [ 63.308239] ? __pfx_ksys_unshare+0x10/0x10 [ 63.308886] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.309718] __x64_sys_unshare+0x31/0x40 [ 63.310276] do_syscall_64+0x3f/0x90 [ 63.310832] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.311566] RIP: 0033:0x7fc718d850d7 [ 63.312062] 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 [ 63.314426] RSP: 002b:00007ffcbc283b08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.315448] RAX: ffffffffffffffda RBX: 00007ffcbc284148 RCX: 00007fc718d850d7 [ 63.316412] RDX: 00007fc718def41f RSI: 00007ffcbc283aa0 RDI: 0000000040000000 [ 63.317485] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbc2838b0 [ 63.318461] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc718e97bf0 [ 63.319411] R13: 00007ffcbc283be0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.320411] [ 63.320772] irq event stamp: 11381 [ 63.321268] hardirqs last enabled at (11391): [] __up_console_sem+0x78/0x80 [ 63.322432] hardirqs last disabled at (11402): [] __up_console_sem+0x5d/0x80 [ 63.323594] softirqs last enabled at (11328): [] irq_exit_rcu+0x93/0xc0 [ 63.324727] softirqs last disabled at (11313): [] irq_exit_rcu+0x93/0xc0 [ 63.325857] ---[ end trace 0000000000000000 ]--- [ 63.327844] ------------[ cut here ]------------ [ 63.328468] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 63.330650] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.331782] Modules linked in: [ 63.332217] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.333482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.334571] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.335254] 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 [ 63.337596] RSP: 0018:ffff88801a627bf0 EFLAGS: 00010286 [ 63.338300] RAX: 0000000000000000 RBX: ffff888016104040 RCX: 0000000000000000 [ 63.339257] RDX: ffff88800f613680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.340238] RBP: ffff888016104054 R08: 0000000000000001 R09: 0000000000000000 [ 63.341227] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.342194] R13: ffffffff84e223a0 R14: ffff888016104048 R15: ffffffff84daf020 [ 63.343176] FS: 0000555557116400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.344275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.345103] CR2: 00007f874593d6f4 CR3: 0000000019ff2000 CR4: 0000000000350ef0 [ 63.346066] Call Trace: [ 63.346418] [ 63.346786] nf_ct_net_init+0x224/0x3d0 [ 63.347342] ? __pfx_nf_ct_net_init+0x10/0x10 [ 63.348000] ops_init+0xbb/0x6b0 [ 63.348481] setup_net+0x3d9/0x990 [ 63.349015] ? down_read_killable+0x1d7/0x4e0 [ 63.349668] ? __pfx_setup_net+0x10/0x10 [ 63.350213] ? copy_net_ns+0x17c/0x770 [ 63.350805] copy_net_ns+0x321/0x770 [ 63.351324] create_new_namespaces+0x3f6/0xb30 [ 63.351999] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.352702] ksys_unshare+0x44d/0x8e0 [ 63.353261] ? __pfx_ksys_unshare+0x10/0x10 [ 63.353889] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.354699] __x64_sys_unshare+0x31/0x40 [ 63.355264] do_syscall_64+0x3f/0x90 [ 63.355817] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.356552] RIP: 0033:0x7fc718d850d7 [ 63.357074] 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 [ 63.359395] RSP: 002b:00007ffcbc283b08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 63.360435] RAX: ffffffffffffffda RBX: 00007ffcbc284148 RCX: 00007fc718d850d7 [ 63.361406] RDX: 00007fc718def41f RSI: 00007ffcbc283aa0 RDI: 0000000040000000 [ 63.362364] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbc2838b0 [ 63.363330] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc718e97bf0 [ 63.364296] R13: 00007ffcbc283be0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.365315] [ 63.365680] irq event stamp: 12235 [ 63.366149] hardirqs last enabled at (12245): [] __up_console_sem+0x78/0x80 [ 63.367290] hardirqs last disabled at (12256): [] __up_console_sem+0x5d/0x80 [ 63.368449] softirqs last enabled at (11666): [] irq_exit_rcu+0x93/0xc0 [ 63.369576] softirqs last disabled at (11595): [] irq_exit_rcu+0x93/0xc0 [ 63.370711] ---[ end trace 0000000000000000 ]--- executing program [ 64.853237] Bluetooth: hci0: command 0x0409 tx timeout [ 66.900705] Bluetooth: hci0: command 0x041b tx timeout executing program [ 68.948650] Bluetooth: hci0: command 0x040f tx timeout executing program [ 70.996706] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 05:10:20 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a627598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555557116400 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=00007f874593d6f4 CR3=0000000019ff2000 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=0000000000031eab RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 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=00007f569a8df610 CR3=000000000e33c000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203f3d72646461203f3d656d616e7400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000