Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:8112' (ECDSA) to the list of known hosts. 2023/05/16 11:13:40 fuzzer started 2023/05/16 11:13:40 dialing manager at localhost:35573 2023/05/16 11:13:40 checking machine... 2023/05/16 11:13:40 checking revisions... syzkaller login: [ 39.403291] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:13:40 testing simple program... [ 39.470131] cgroup: Unknown subsys name 'net' [ 39.570773] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.804315] audit: type=1400 audit(1684235634.107:6): 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 [ 53.992905] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.995564] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.997142] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.000427] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.002167] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.003558] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.450113] ------------[ cut here ]------------ [ 54.450841] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.453095] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.454378] Modules linked in: [ 54.454834] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.457492] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.460268] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.461693] 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 [ 54.464778] RSP: 0018:ffff888006907c00 EFLAGS: 00010282 [ 54.465620] RAX: 0000000000000000 RBX: ffff88800fff1440 RCX: 0000000000000000 [ 54.466619] RDX: ffff88800fecd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.467622] RBP: ffff88800fff1454 R08: 0000000000000001 R09: 0000000000000000 [ 54.468648] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.469650] R13: ffffffff84e223a0 R14: ffff88800fff1448 R15: ffffffff84d73340 [ 54.470660] FS: 0000555557275400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.471796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.472658] CR2: 00007f1a4e1606f4 CR3: 000000000f0f8000 CR4: 0000000000350ef0 [ 54.473661] Call Trace: [ 54.474028] [ 54.474397] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.475098] ipv4_frags_init_net+0x269/0x440 [ 54.475746] ops_init+0xbb/0x6b0 [ 54.476274] setup_net+0x3d9/0x990 [ 54.476782] ? down_read_killable+0x1d7/0x4e0 [ 54.477461] ? __pfx_setup_net+0x10/0x10 [ 54.478023] ? copy_net_ns+0x17c/0x770 [ 54.478623] copy_net_ns+0x321/0x770 [ 54.479153] create_new_namespaces+0x3f6/0xb30 [ 54.479841] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.480566] ksys_unshare+0x44d/0x8e0 [ 54.481108] ? __pfx_ksys_unshare+0x10/0x10 [ 54.481750] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.482574] __x64_sys_unshare+0x31/0x40 [ 54.483143] do_syscall_64+0x3f/0x90 [ 54.483712] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.484444] RIP: 0033:0x7f11db16a0d7 [ 54.484967] 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 [ 54.487367] RSP: 002b:00007ffda9fba3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.488419] RAX: ffffffffffffffda RBX: 00007ffda9fbaa08 RCX: 00007f11db16a0d7 [ 54.489426] RDX: 00007f11db1d441f RSI: 00007ffda9fba360 RDI: 0000000040000000 [ 54.490418] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda9fba170 [ 54.491402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11db27cbf0 [ 54.492364] R13: 00007ffda9fba4a0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.493388] [ 54.493714] irq event stamp: 8423 [ 54.494181] hardirqs last enabled at (8433): [] __up_console_sem+0x78/0x80 [ 54.495363] hardirqs last disabled at (8446): [] __up_console_sem+0x5d/0x80 [ 54.496525] softirqs last enabled at (8348): [] irq_exit_rcu+0x93/0xc0 [ 54.497669] softirqs last disabled at (8343): [] irq_exit_rcu+0x93/0xc0 [ 54.498779] ---[ end trace 0000000000000000 ]--- [ 54.506599] ------------[ cut here ]------------ [ 54.507336] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.509494] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.510637] Modules linked in: [ 54.511072] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.512333] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.513478] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.514161] 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 [ 54.516526] RSP: 0018:ffff888006907c00 EFLAGS: 00010282 [ 54.517273] RAX: 0000000000000000 RBX: ffff88800db44040 RCX: 0000000000000000 [ 54.518177] RDX: ffff88800fecd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.519133] RBP: ffff88800db44054 R08: 0000000000000001 R09: 0000000000000000 [ 54.520110] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.521071] R13: ffffffff84e223a0 R14: ffff88800db44048 R15: ffffffff84da62e0 [ 54.522033] FS: 0000555557275400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.523091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.523889] CR2: 00007f1a4e1606f4 CR3: 000000000f0f8000 CR4: 0000000000350ef0 [ 54.524863] Call Trace: [ 54.525246] [ 54.525567] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.526249] ipv6_frags_init_net+0x206/0x3c0 [ 54.526845] ops_init+0xbb/0x6b0 [ 54.527363] setup_net+0x3d9/0x990 [ 54.527846] ? down_read_killable+0x1d7/0x4e0 [ 54.528488] ? __pfx_setup_net+0x10/0x10 [ 54.529041] ? copy_net_ns+0x17c/0x770 [ 54.529630] copy_net_ns+0x321/0x770 [ 54.530150] create_new_namespaces+0x3f6/0xb30 [ 54.530805] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.531491] ksys_unshare+0x44d/0x8e0 [ 54.532011] ? __pfx_ksys_unshare+0x10/0x10 [ 54.532662] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.533442] __x64_sys_unshare+0x31/0x40 [ 54.533989] do_syscall_64+0x3f/0x90 [ 54.534531] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.535247] RIP: 0033:0x7f11db16a0d7 [ 54.535742] 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 [ 54.538046] RSP: 002b:00007ffda9fba3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.539063] RAX: ffffffffffffffda RBX: 00007ffda9fbaa08 RCX: 00007f11db16a0d7 [ 54.540002] RDX: 00007f11db1d441f RSI: 00007ffda9fba360 RDI: 0000000040000000 [ 54.540945] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda9fba170 [ 54.541889] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11db27cbf0 [ 54.542830] R13: 00007ffda9fba4a0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.543793] [ 54.544126] irq event stamp: 10377 [ 54.544636] hardirqs last enabled at (10389): [] __up_console_sem+0x78/0x80 [ 54.545767] hardirqs last disabled at (10400): [] __up_console_sem+0x5d/0x80 [ 54.546893] softirqs last enabled at (10000): [] irq_exit_rcu+0x93/0xc0 [ 54.547997] softirqs last disabled at (9995): [] irq_exit_rcu+0x93/0xc0 [ 54.549093] ---[ end trace 0000000000000000 ]--- [ 54.550566] ------------[ cut here ]------------ [ 54.551173] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.553474] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.554578] Modules linked in: [ 54.555001] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.556228] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.557300] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.557960] 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 [ 54.560247] RSP: 0018:ffff888006907bf0 EFLAGS: 00010286 [ 54.560937] RAX: 0000000000000000 RBX: ffff8880139a0640 RCX: 0000000000000000 [ 54.561872] RDX: ffff88800fecd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.562806] RBP: ffff8880139a0654 R08: 0000000000000001 R09: 0000000000000000 [ 54.563741] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.564664] R13: ffffffff84e223a0 R14: ffff8880139a0648 R15: ffffffff84daf020 [ 54.565609] FS: 0000555557275400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.566657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.567424] CR2: 00007f1a4e1606f4 CR3: 000000000f0f8000 CR4: 0000000000350ef0 [ 54.568353] Call Trace: [ 54.568696] [ 54.569003] nf_ct_net_init+0x224/0x3d0 [ 54.569580] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.570170] ops_init+0xbb/0x6b0 [ 54.570661] setup_net+0x3d9/0x990 [ 54.571128] ? down_read_killable+0x1d7/0x4e0 [ 54.571754] ? __pfx_setup_net+0x10/0x10 [ 54.572308] ? copy_net_ns+0x17c/0x770 [ 54.572849] copy_net_ns+0x321/0x770 [ 54.573380] create_new_namespaces+0x3f6/0xb30 [ 54.573989] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.574659] ksys_unshare+0x44d/0x8e0 [ 54.575157] ? __pfx_ksys_unshare+0x10/0x10 [ 54.575746] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.576511] __x64_sys_unshare+0x31/0x40 [ 54.577062] do_syscall_64+0x3f/0x90 [ 54.577576] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.578275] RIP: 0033:0x7f11db16a0d7 [ 54.578755] 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 [ 54.581004] RSP: 002b:00007ffda9fba3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.581995] RAX: ffffffffffffffda RBX: 00007ffda9fbaa08 RCX: 00007f11db16a0d7 [ 54.582935] RDX: 00007f11db1d441f RSI: 00007ffda9fba360 RDI: 0000000040000000 [ 54.583861] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda9fba170 [ 54.584822] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f11db27cbf0 [ 54.585736] R13: 00007ffda9fba4a0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.586687] [ 54.586999] irq event stamp: 11177 [ 54.587480] hardirqs last enabled at (11189): [] __up_console_sem+0x78/0x80 [ 54.588578] hardirqs last disabled at (11200): [] __up_console_sem+0x5d/0x80 [ 54.589741] softirqs last enabled at (11114): [] irq_exit_rcu+0x93/0xc0 [ 54.590865] softirqs last disabled at (11109): [] irq_exit_rcu+0x93/0xc0 [ 54.591985] ---[ end trace 0000000000000000 ]--- [ 56.069791] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.117374] Bluetooth: hci0: command 0x041b tx timeout [ 60.165278] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.214282] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:13:52 Registers: info registers vcpu 0 RAX=0000000000000051 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888006907618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000051 R11=0000000000000001 R12=0000000000000051 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 0000555557275400 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=00007f1a4e1606f4 CR3=000000000f0f8000 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=000000000078756e RBX=000000005daf0e7b RCX=ffffffff849f1d94 RDX=ffff8880186751c0 RSI=000000006d1c3023 RDI=0000000000000000 RBP=00000000d4585852 RSP=ffff8880195a7568 R8 =000000004e823af8 R9 =00000000697997b4 R10=00000000bbc0dbf4 R11=0000000000000000 R12=dffffc0000000000 R13=ffffffff849f13c0 R14=0000000000000006 R15=ffff888017e6f1b8 RIP=ffffffff821a209f 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 00007facd4a72700 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=00007fda0b5ca118 CR3=000000000e880000 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=2035353a33313a31312036312079614d XMM01=5d3239343735342e34352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3239343735342e34352020205b20 XMM07=732035353a33313a3131203631207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000