Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:25654' (ECDSA) to the list of known hosts. 2023/05/16 10:50:15 fuzzer started 2023/05/16 10:50:16 dialing manager at localhost:35573 2023/05/16 10:50:16 checking machine... 2023/05/16 10:50:16 checking revisions... syzkaller login: [ 37.754960] kmemleak: Automatic memory scanning thread ended 2023/05/16 10:50:16 testing simple program... [ 37.821687] cgroup: Unknown subsys name 'net' [ 37.895369] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.932634] audit: type=1400 audit(1684234228.561:6): 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 [ 51.019202] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.021101] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.023812] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.027224] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.030146] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.031336] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.377023] ------------[ cut here ]------------ [ 51.377783] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.379748] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.381040] Modules linked in: [ 51.381570] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.386343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.387382] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.388051] 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 [ 51.390268] RSP: 0018:ffff88801ee07c00 EFLAGS: 00010282 [ 51.390972] RAX: 0000000000000000 RBX: ffff88801615e440 RCX: 0000000000000000 [ 51.391873] RDX: ffff88800cc7b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.392804] RBP: ffff88801615e454 R08: 0000000000000001 R09: 0000000000000000 [ 51.393710] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.394605] R13: ffffffff84e223a0 R14: ffff88801615e448 R15: ffffffff84d73340 [ 51.395508] FS: 0000555555df2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.396498] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.397235] CR2: 00007fd09b8656f4 CR3: 000000000d6a2000 CR4: 0000000000350ee0 [ 51.398145] Call Trace: [ 51.398515] [ 51.398821] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.399446] ipv4_frags_init_net+0x269/0x440 [ 51.400062] ops_init+0xbb/0x6b0 [ 51.400537] setup_net+0x3d9/0x990 [ 51.401026] ? down_read_killable+0x1d7/0x4e0 [ 51.401629] ? __pfx_setup_net+0x10/0x10 [ 51.402140] ? copy_net_ns+0x17c/0x770 [ 51.402679] copy_net_ns+0x321/0x770 [ 51.403163] create_new_namespaces+0x3f6/0xb30 [ 51.403787] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.404419] ksys_unshare+0x44d/0x8e0 [ 51.404968] ? __pfx_ksys_unshare+0x10/0x10 [ 51.405559] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.406295] __x64_sys_unshare+0x31/0x40 [ 51.406851] do_syscall_64+0x3f/0x90 [ 51.407332] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.408012] RIP: 0033:0x7fb8c946f0d7 [ 51.408508] 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 [ 51.410767] RSP: 002b:00007ffe5c86ff18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.411754] RAX: ffffffffffffffda RBX: 00007ffe5c870558 RCX: 00007fb8c946f0d7 [ 51.412700] RDX: 00007fb8c94d941f RSI: 00007ffe5c86feb0 RDI: 0000000040000000 [ 51.413634] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5c86fcc0 [ 51.414570] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb8c9581bf0 [ 51.415491] R13: 00007ffe5c86fff0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.416418] [ 51.416782] irq event stamp: 7677 [ 51.417230] hardirqs last enabled at (7687): [] __up_console_sem+0x78/0x80 [ 51.418339] hardirqs last disabled at (7698): [] __up_console_sem+0x5d/0x80 [ 51.419442] softirqs last enabled at (7154): [] irq_exit_rcu+0x93/0xc0 [ 51.420529] softirqs last disabled at (7149): [] irq_exit_rcu+0x93/0xc0 [ 51.421600] ---[ end trace 0000000000000000 ]--- [ 51.427669] ------------[ cut here ]------------ [ 51.428291] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.430186] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.431315] Modules linked in: [ 51.431782] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.433022] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.434108] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.434833] 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 [ 51.437170] RSP: 0018:ffff88801ee07c00 EFLAGS: 00010282 [ 51.437900] RAX: 0000000000000000 RBX: ffff888015bd3440 RCX: 0000000000000000 [ 51.438854] RDX: ffff88800cc7b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.439817] RBP: ffff888015bd3454 R08: 0000000000000001 R09: 0000000000000000 [ 51.440784] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.441748] R13: ffffffff84e223a0 R14: ffff888015bd3448 R15: ffffffff84da62e0 [ 51.442702] FS: 0000555555df2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.443774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.444576] CR2: 00007fd09b8656f4 CR3: 000000000d6a2000 CR4: 0000000000350ee0 [ 51.445557] Call Trace: [ 51.445910] [ 51.446230] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.446933] ipv6_frags_init_net+0x206/0x3c0 [ 51.447563] ops_init+0xbb/0x6b0 [ 51.448044] setup_net+0x3d9/0x990 [ 51.448568] ? down_read_killable+0x1d7/0x4e0 [ 51.449192] ? __pfx_setup_net+0x10/0x10 [ 51.449779] ? copy_net_ns+0x17c/0x770 [ 51.450330] copy_net_ns+0x321/0x770 [ 51.450879] create_new_namespaces+0x3f6/0xb30 [ 51.451543] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.452213] ksys_unshare+0x44d/0x8e0 [ 51.452798] ? __pfx_ksys_unshare+0x10/0x10 [ 51.453369] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.454153] __x64_sys_unshare+0x31/0x40 [ 51.454722] do_syscall_64+0x3f/0x90 [ 51.455211] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.455922] RIP: 0033:0x7fb8c946f0d7 [ 51.456409] 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 [ 51.458686] RSP: 002b:00007ffe5c86ff18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.459683] RAX: ffffffffffffffda RBX: 00007ffe5c870558 RCX: 00007fb8c946f0d7 [ 51.460623] RDX: 00007fb8c94d941f RSI: 00007ffe5c86feb0 RDI: 0000000040000000 [ 51.461599] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5c86fcc0 [ 51.462542] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb8c9581bf0 [ 51.463506] R13: 00007ffe5c86fff0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.464500] [ 51.464841] irq event stamp: 10249 [ 51.465309] hardirqs last enabled at (10259): [] __up_console_sem+0x78/0x80 [ 51.466483] hardirqs last disabled at (10272): [] __up_console_sem+0x5d/0x80 [ 51.467639] softirqs last enabled at (9796): [] irq_exit_rcu+0x93/0xc0 [ 51.468759] softirqs last disabled at (9791): [] irq_exit_rcu+0x93/0xc0 [ 51.469868] ---[ end trace 0000000000000000 ]--- [ 51.471240] ------------[ cut here ]------------ [ 51.471920] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.474071] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.475248] Modules linked in: [ 51.475728] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.477001] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.478116] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.478849] 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 [ 51.481238] RSP: 0018:ffff88801ee07bf0 EFLAGS: 00010286 [ 51.482001] RAX: 0000000000000000 RBX: ffff888008eef240 RCX: 0000000000000000 [ 51.482970] RDX: ffff88800cc7b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.483942] RBP: ffff888008eef254 R08: 0000000000000001 R09: 0000000000000000 [ 51.484942] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.485919] R13: ffffffff84e223a0 R14: ffff888008eef248 R15: ffffffff84daf020 [ 51.486905] FS: 0000555555df2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.488014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.488835] CR2: 00007fd09b8656f4 CR3: 000000000d6a2000 CR4: 0000000000350ee0 [ 51.489829] Call Trace: [ 51.490187] [ 51.490547] nf_ct_net_init+0x224/0x3d0 [ 51.491116] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.491777] ops_init+0xbb/0x6b0 [ 51.492269] setup_net+0x3d9/0x990 [ 51.492806] ? down_read_killable+0x1d7/0x4e0 [ 51.493431] ? __pfx_setup_net+0x10/0x10 [ 51.494026] ? copy_net_ns+0x17c/0x770 [ 51.494620] copy_net_ns+0x321/0x770 [ 51.495148] create_new_namespaces+0x3f6/0xb30 [ 51.495831] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.496552] ksys_unshare+0x44d/0x8e0 [ 51.497113] ? __pfx_ksys_unshare+0x10/0x10 [ 51.497756] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.498578] __x64_sys_unshare+0x31/0x40 [ 51.499152] do_syscall_64+0x3f/0x90 [ 51.499718] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.500423] RIP: 0033:0x7fb8c946f0d7 [ 51.500973] 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 [ 51.503375] RSP: 002b:00007ffe5c86ff18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.504421] RAX: ffffffffffffffda RBX: 00007ffe5c870558 RCX: 00007fb8c946f0d7 [ 51.505410] RDX: 00007fb8c94d941f RSI: 00007ffe5c86feb0 RDI: 0000000040000000 [ 51.506408] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5c86fcc0 [ 51.507393] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb8c9581bf0 [ 51.508340] R13: 00007ffe5c86fff0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.509371] [ 51.509735] irq event stamp: 11017 [ 51.510211] hardirqs last enabled at (11027): [] __up_console_sem+0x78/0x80 [ 51.511355] hardirqs last disabled at (11038): [] __up_console_sem+0x5d/0x80 [ 51.512559] softirqs last enabled at (10832): [] irq_exit_rcu+0x93/0xc0 [ 51.513737] softirqs last disabled at (10827): [] irq_exit_rcu+0x93/0xc0 [ 51.514895] ---[ end trace 0000000000000000 ]--- executing program [ 53.094097] Bluetooth: hci0: command 0x0409 tx timeout [ 55.141556] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.190565] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.237553] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 10:50:29 Registers: info registers vcpu 0 RAX=0000000000024eeb 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=00000206 [-----P-] 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=00007ff19cc02000 CR3=0000000015838000 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=2030333a30353a30312036312079614d XMM01=5d3037353138332e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ee075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555555df2400 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=00007fd09b8656f4 CR3=000000000d6a2000 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