Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:60774' (ECDSA) to the list of known hosts. 2023/05/17 06:22:28 fuzzer started 2023/05/17 06:22:28 dialing manager at localhost:35573 2023/05/17 06:22:28 checking machine... 2023/05/17 06:22:28 checking revisions... syzkaller login: [ 36.693303] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:22:28 testing simple program... [ 36.764479] cgroup: Unknown subsys name 'net' [ 36.837811] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.863132] audit: type=1400 audit(1684304560.689:6): 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 [ 49.944033] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.946022] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.948815] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.952904] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.956026] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.958423] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.277839] ------------[ cut here ]------------ [ 50.278368] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.280051] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.280914] Modules linked in: [ 50.281235] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.282027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.287535] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.288036] 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 [ 50.289886] RSP: 0018:ffff88801ead7c00 EFLAGS: 00010282 [ 50.290535] RAX: 0000000000000000 RBX: ffff88800d775440 RCX: 0000000000000000 [ 50.291259] RDX: ffff88801601d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.291936] RBP: ffff88800d775454 R08: 0000000000000001 R09: 0000000000000000 [ 50.292656] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.293362] R13: ffffffff84e223a0 R14: ffff88800d775448 R15: ffffffff84d73340 [ 50.294047] FS: 0000555555609400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.294833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.295420] CR2: 00007f15e4f606f4 CR3: 000000000d918000 CR4: 0000000000350ee0 [ 50.296103] Call Trace: [ 50.296406] [ 50.296635] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.297120] ipv4_frags_init_net+0x269/0x440 [ 50.297580] ops_init+0xbb/0x6b0 [ 50.297932] setup_net+0x3d9/0x990 [ 50.298314] ? down_read_killable+0x1d7/0x4e0 [ 50.298758] ? __pfx_setup_net+0x10/0x10 [ 50.299159] ? copy_net_ns+0x17c/0x770 [ 50.299580] copy_net_ns+0x321/0x770 [ 50.299962] create_new_namespaces+0x3f6/0xb30 [ 50.300451] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.300946] ksys_unshare+0x44d/0x8e0 [ 50.301356] ? __pfx_ksys_unshare+0x10/0x10 [ 50.301789] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.302360] __x64_sys_unshare+0x31/0x40 [ 50.302764] do_syscall_64+0x3f/0x90 [ 50.303135] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.303666] RIP: 0033:0x7ff5f1a570d7 [ 50.304036] 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 [ 50.305772] RSP: 002b:00007ffc4e35dc48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.306519] RAX: ffffffffffffffda RBX: 00007ffc4e35e288 RCX: 00007ff5f1a570d7 [ 50.307221] RDX: 00007ff5f1ac141f RSI: 00007ffc4e35dbe0 RDI: 0000000040000000 [ 50.307903] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4e35d9f0 [ 50.308615] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff5f1b69bf0 [ 50.309322] R13: 00007ffc4e35dd20 R14: 0000000000000000 R15: 00000000000000f8 [ 50.310010] [ 50.310278] irq event stamp: 8977 [ 50.310624] hardirqs last enabled at (8987): [] __up_console_sem+0x78/0x80 [ 50.311456] hardirqs last disabled at (8998): [] __up_console_sem+0x5d/0x80 [ 50.312297] softirqs last enabled at (8590): [] irq_exit_rcu+0x93/0xc0 [ 50.313078] softirqs last disabled at (8575): [] irq_exit_rcu+0x93/0xc0 [ 50.313897] ---[ end trace 0000000000000000 ]--- [ 50.317867] ------------[ cut here ]------------ [ 50.318350] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.319633] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.320468] Modules linked in: [ 50.320784] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.321698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.322507] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.323012] 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 [ 50.324726] RSP: 0018:ffff88801ead7c00 EFLAGS: 00010282 [ 50.325282] RAX: 0000000000000000 RBX: ffff88800fa16240 RCX: 0000000000000000 [ 50.325949] RDX: ffff88801601d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.326649] RBP: ffff88800fa16254 R08: 0000000000000001 R09: 0000000000000000 [ 50.327352] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.328036] R13: ffffffff84e223a0 R14: ffff88800fa16248 R15: ffffffff84da62e0 [ 50.328761] FS: 0000555555609400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.329551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.330114] CR2: 00007f15e4f606f4 CR3: 000000000d918000 CR4: 0000000000350ee0 [ 50.330826] Call Trace: [ 50.331086] [ 50.331338] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.331831] ipv6_frags_init_net+0x206/0x3c0 [ 50.332300] ops_init+0xbb/0x6b0 [ 50.332650] setup_net+0x3d9/0x990 [ 50.333010] ? down_read_killable+0x1d7/0x4e0 [ 50.333476] ? __pfx_setup_net+0x10/0x10 [ 50.333880] ? copy_net_ns+0x17c/0x770 [ 50.334301] copy_net_ns+0x321/0x770 [ 50.334683] create_new_namespaces+0x3f6/0xb30 [ 50.335150] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.335669] ksys_unshare+0x44d/0x8e0 [ 50.336057] ? __pfx_ksys_unshare+0x10/0x10 [ 50.336518] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.337079] __x64_sys_unshare+0x31/0x40 [ 50.337513] do_syscall_64+0x3f/0x90 [ 50.337899] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.338426] RIP: 0033:0x7ff5f1a570d7 [ 50.338785] 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 [ 50.340503] RSP: 002b:00007ffc4e35dc48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.341223] RAX: ffffffffffffffda RBX: 00007ffc4e35e288 RCX: 00007ff5f1a570d7 [ 50.341881] RDX: 00007ff5f1ac141f RSI: 00007ffc4e35dbe0 RDI: 0000000040000000 [ 50.342557] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4e35d9f0 [ 50.343236] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff5f1b69bf0 [ 50.343898] R13: 00007ffc4e35dd20 R14: 0000000000000000 R15: 00000000000000f8 [ 50.344612] [ 50.344847] irq event stamp: 10677 [ 50.345179] hardirqs last enabled at (10687): [] __up_console_sem+0x78/0x80 [ 50.346007] hardirqs last disabled at (10698): [] __up_console_sem+0x5d/0x80 [ 50.346831] softirqs last enabled at (10500): [] irq_exit_rcu+0x93/0xc0 [ 50.347626] softirqs last disabled at (10495): [] irq_exit_rcu+0x93/0xc0 [ 50.348440] ---[ end trace 0000000000000000 ]--- [ 50.349473] ------------[ cut here ]------------ [ 50.349919] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.351366] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.352164] Modules linked in: [ 50.352507] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.353407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.354169] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.354694] 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 [ 50.356392] RSP: 0018:ffff88801ead7bf0 EFLAGS: 00010286 [ 50.356898] RAX: 0000000000000000 RBX: ffff888014587a40 RCX: 0000000000000000 [ 50.357595] RDX: ffff88801601d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.358281] RBP: ffff888014587a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.358942] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.359643] R13: ffffffff84e223a0 R14: ffff888014587a48 R15: ffffffff84daf020 [ 50.360421] FS: 0000555555609400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.361178] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.361765] CR2: 00007f15e4f606f4 CR3: 000000000d918000 CR4: 0000000000350ee0 [ 50.362453] Call Trace: [ 50.362705] [ 50.362938] nf_ct_net_init+0x224/0x3d0 [ 50.363363] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.363809] ops_init+0xbb/0x6b0 [ 50.364155] setup_net+0x3d9/0x990 [ 50.364535] ? down_read_killable+0x1d7/0x4e0 [ 50.364978] ? __pfx_setup_net+0x10/0x10 [ 50.365395] ? copy_net_ns+0x17c/0x770 [ 50.365794] copy_net_ns+0x321/0x770 [ 50.366166] create_new_namespaces+0x3f6/0xb30 [ 50.366650] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.367129] ksys_unshare+0x44d/0x8e0 [ 50.367535] ? __pfx_ksys_unshare+0x10/0x10 [ 50.367962] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.368549] __x64_sys_unshare+0x31/0x40 [ 50.368957] do_syscall_64+0x3f/0x90 [ 50.369345] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.369848] RIP: 0033:0x7ff5f1a570d7 [ 50.370231] 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 [ 50.371930] RSP: 002b:00007ffc4e35dc48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.372687] RAX: ffffffffffffffda RBX: 00007ffc4e35e288 RCX: 00007ff5f1a570d7 [ 50.373384] RDX: 00007ff5f1ac141f RSI: 00007ffc4e35dbe0 RDI: 0000000040000000 [ 50.374049] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4e35d9f0 [ 50.374743] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff5f1b69bf0 [ 50.375447] R13: 00007ffc4e35dd20 R14: 0000000000000000 R15: 00000000000000f8 [ 50.376135] [ 50.376396] irq event stamp: 11399 [ 50.376741] hardirqs last enabled at (11409): [] __up_console_sem+0x78/0x80 [ 50.377571] hardirqs last disabled at (11420): [] __up_console_sem+0x5d/0x80 [ 50.378413] softirqs last enabled at (10500): [] irq_exit_rcu+0x93/0xc0 [ 50.379232] softirqs last disabled at (10495): [] irq_exit_rcu+0x93/0xc0 [ 50.380021] ---[ end trace 0000000000000000 ]--- executing program [ 52.025936] Bluetooth: hci0: command 0x0409 tx timeout [ 54.073291] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.121298] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.169308] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 06:22:42 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000000 RDX=ffffffff8542a780 RSI=ffffffff83470fbb RDI=0000000000000005 RBP=0000000000000000 RSP=ffffffff85407df8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000001 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff83470fbb RFL=00000093 [--S-A-C] 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=00007f9c8b0a0070 CR3=000000000f036000 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=2032343a32323a36302037312079614d XMM01=5d3732303238322e30352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3732303238322e30352020205b20 XMM07=732032343a32323a3630203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ead7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 0000555555609400 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=00007f15e4f606f4 CR3=000000000d918000 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