Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:14803' (ECDSA) to the list of known hosts. 2023/05/16 13:01:24 fuzzer started 2023/05/16 13:01:25 dialing manager at localhost:35573 2023/05/16 13:01:25 checking machine... 2023/05/16 13:01:25 checking revisions... syzkaller login: [ 36.772236] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:01:25 testing simple program... [ 36.826478] cgroup: Unknown subsys name 'net' [ 36.910320] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.329372] audit: type=1400 audit(1684242098.852:6): 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 [ 51.497225] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.498779] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.500260] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.505590] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.508361] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.509768] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.928564] ------------[ cut here ]------------ [ 51.929287] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.931026] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.932157] Modules linked in: [ 51.932568] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.937250] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.938265] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.938950] 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 [ 51.941211] RSP: 0018:ffff88800ea7fc00 EFLAGS: 00010282 [ 51.941862] RAX: 0000000000000000 RBX: ffff88800efb4040 RCX: 0000000000000000 [ 51.942787] RDX: ffff88800fec9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.943682] RBP: ffff88800efb4054 R08: 0000000000000001 R09: 0000000000000000 [ 51.944585] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.945486] R13: ffffffff84e223a0 R14: ffff88800efb4048 R15: ffffffff84d73340 [ 51.946370] FS: 0000555556198400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.947359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.948119] CR2: 00007f5845c2f6f4 CR3: 000000000ef6c000 CR4: 0000000000350ee0 [ 51.949006] Call Trace: [ 51.949334] [ 51.949626] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.950294] ipv4_frags_init_net+0x269/0x440 [ 51.950860] ops_init+0xbb/0x6b0 [ 51.951338] setup_net+0x3d9/0x990 [ 51.951787] ? down_read_killable+0x1d7/0x4e0 [ 51.952421] ? __pfx_setup_net+0x10/0x10 [ 51.952969] ? copy_net_ns+0x17c/0x770 [ 51.953473] copy_net_ns+0x321/0x770 [ 51.953986] create_new_namespaces+0x3f6/0xb30 [ 51.954582] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.955231] ksys_unshare+0x44d/0x8e0 [ 51.955728] ? __pfx_ksys_unshare+0x10/0x10 [ 51.956323] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.957065] __x64_sys_unshare+0x31/0x40 [ 51.957582] do_syscall_64+0x3f/0x90 [ 51.958088] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.958723] RIP: 0033:0x7fd3a2e9c0d7 [ 51.959215] 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 [ 51.961437] RSP: 002b:00007ffc45805298 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.962396] RAX: ffffffffffffffda RBX: 00007ffc458058d8 RCX: 00007fd3a2e9c0d7 [ 51.963284] RDX: 00007fd3a2f0641f RSI: 00007ffc45805230 RDI: 0000000040000000 [ 51.964178] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc45805040 [ 51.965073] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd3a2faebf0 [ 51.965968] R13: 00007ffc45805370 R14: 0000000000000000 R15: 00000000000000f8 [ 51.966859] [ 51.967214] irq event stamp: 9885 [ 51.967656] hardirqs last enabled at (9895): [] __up_console_sem+0x78/0x80 [ 51.968781] hardirqs last disabled at (9906): [] __up_console_sem+0x5d/0x80 [ 51.969904] softirqs last enabled at (9878): [] irq_exit_rcu+0x93/0xc0 [ 51.970976] softirqs last disabled at (9873): [] irq_exit_rcu+0x93/0xc0 [ 51.972064] ---[ end trace 0000000000000000 ]--- [ 51.978534] ------------[ cut here ]------------ [ 51.979230] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.981063] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.982171] Modules linked in: [ 51.982590] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.983794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.984844] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.985533] 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 [ 51.987804] RSP: 0018:ffff88800ea7fc00 EFLAGS: 00010282 [ 51.988508] RAX: 0000000000000000 RBX: ffff88800ef13640 RCX: 0000000000000000 [ 51.989395] RDX: ffff88800fec9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.990282] RBP: ffff88800ef13654 R08: 0000000000000001 R09: 0000000000000000 [ 51.991171] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.992065] R13: ffffffff84e223a0 R14: ffff88800ef13648 R15: ffffffff84da62e0 [ 51.992947] FS: 0000555556198400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.993941] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.994647] CR2: 00007f5845c2f6f4 CR3: 000000000ef6c000 CR4: 0000000000350ee0 [ 51.995529] Call Trace: [ 51.995868] [ 51.996205] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.996811] ipv6_frags_init_net+0x206/0x3c0 [ 51.997408] ops_init+0xbb/0x6b0 [ 51.997851] setup_net+0x3d9/0x990 [ 51.998343] ? down_read_killable+0x1d7/0x4e0 [ 51.998935] ? __pfx_setup_net+0x10/0x10 [ 51.999440] ? copy_net_ns+0x17c/0x770 [ 52.000001] copy_net_ns+0x321/0x770 [ 52.000486] create_new_namespaces+0x3f6/0xb30 [ 52.001104] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.001715] ksys_unshare+0x44d/0x8e0 [ 52.002240] ? __pfx_ksys_unshare+0x10/0x10 [ 52.002788] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.003519] __x64_sys_unshare+0x31/0x40 [ 52.004077] do_syscall_64+0x3f/0x90 [ 52.004557] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.005233] RIP: 0033:0x7fd3a2e9c0d7 [ 52.005702] 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 [ 52.007904] RSP: 002b:00007ffc45805298 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.008827] RAX: ffffffffffffffda RBX: 00007ffc458058d8 RCX: 00007fd3a2e9c0d7 [ 52.009724] RDX: 00007fd3a2f0641f RSI: 00007ffc45805230 RDI: 0000000040000000 [ 52.010621] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc45805040 [ 52.011545] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd3a2faebf0 [ 52.012474] R13: 00007ffc45805370 R14: 0000000000000000 R15: 00000000000000f8 [ 52.013431] [ 52.013737] irq event stamp: 11975 [ 52.014215] hardirqs last enabled at (11987): [] __up_console_sem+0x78/0x80 [ 52.015337] hardirqs last disabled at (11998): [] __up_console_sem+0x5d/0x80 [ 52.016474] softirqs last enabled at (11722): [] irq_exit_rcu+0x93/0xc0 [ 52.017559] softirqs last disabled at (11717): [] irq_exit_rcu+0x93/0xc0 [ 52.018651] ---[ end trace 0000000000000000 ]--- [ 52.020081] ------------[ cut here ]------------ [ 52.020699] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.022731] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.023892] Modules linked in: [ 52.024327] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.025541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.026607] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.027316] 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 [ 52.029594] RSP: 0018:ffff88800ea7fbf0 EFLAGS: 00010286 [ 52.030309] RAX: 0000000000000000 RBX: ffff88800ef12040 RCX: 0000000000000000 [ 52.031239] RDX: ffff88800fec9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.032201] RBP: ffff88800ef12054 R08: 0000000000000001 R09: 0000000000000000 [ 52.033139] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.034072] R13: ffffffff84e223a0 R14: ffff88800ef12048 R15: ffffffff84daf020 [ 52.035001] FS: 0000555556198400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.036065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.036818] CR2: 00007f5845c2f6f4 CR3: 000000000ef6c000 CR4: 0000000000350ee0 [ 52.037754] Call Trace: [ 52.038126] [ 52.038438] nf_ct_net_init+0x224/0x3d0 [ 52.039010] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.039605] ops_init+0xbb/0x6b0 [ 52.040124] setup_net+0x3d9/0x990 [ 52.040589] ? down_read_killable+0x1d7/0x4e0 [ 52.041211] ? __pfx_setup_net+0x10/0x10 [ 52.041740] ? copy_net_ns+0x17c/0x770 [ 52.042307] copy_net_ns+0x321/0x770 [ 52.042802] create_new_namespaces+0x3f6/0xb30 [ 52.043433] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.044225] ksys_unshare+0x44d/0x8e0 [ 52.044735] ? __pfx_ksys_unshare+0x10/0x10 [ 52.045347] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.046128] __x64_sys_unshare+0x31/0x40 [ 52.046667] do_syscall_64+0x3f/0x90 [ 52.047191] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.047913] RIP: 0033:0x7fd3a2e9c0d7 [ 52.048398] 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 [ 52.050662] RSP: 002b:00007ffc45805298 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.051661] RAX: ffffffffffffffda RBX: 00007ffc458058d8 RCX: 00007fd3a2e9c0d7 [ 52.052583] RDX: 00007fd3a2f0641f RSI: 00007ffc45805230 RDI: 0000000040000000 [ 52.053505] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc45805040 [ 52.054398] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd3a2faebf0 [ 52.055282] R13: 00007ffc45805370 R14: 0000000000000000 R15: 00000000000000f8 [ 52.056221] [ 52.056522] irq event stamp: 12739 [ 52.056997] hardirqs last enabled at (12751): [] __up_console_sem+0x78/0x80 [ 52.058080] hardirqs last disabled at (12762): [] __up_console_sem+0x5d/0x80 [ 52.059158] softirqs last enabled at (12556): [] irq_exit_rcu+0x93/0xc0 [ 52.060226] softirqs last disabled at (12551): [] irq_exit_rcu+0x93/0xc0 [ 52.061283] ---[ end trace 0000000000000000 ]--- [ 53.580951] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.628074] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.676032] Bluetooth: hci0: command 0x040f tx timeout [ 59.724012] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:01:40 Registers: info registers vcpu 0 RAX=000000000001e685 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f214aacb010 CR3=0000000016f0c000 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=2030343a31303a33312036312079614d XMM01=5d3632303133392e31352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3632303133392e31352020205b XMM07=79732030343a31303a33312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 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=ffff88800ea7f5f0 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 0000555556198400 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=00007f5845c2f6f4 CR3=000000000ef6c000 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