Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:23680' (ECDSA) to the list of known hosts. 2023/05/17 07:31:40 fuzzer started 2023/05/17 07:31:41 dialing manager at localhost:35573 2023/05/17 07:31:41 checking machine... 2023/05/17 07:31:41 checking revisions... syzkaller login: [ 37.670717] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:31:41 testing simple program... [ 37.738925] cgroup: Unknown subsys name 'net' [ 37.832882] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.849254] audit: type=1400 audit(1684308713.397:6): 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 [ 50.978770] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.989707] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.993346] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.996078] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.998272] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.999553] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.388638] ------------[ cut here ]------------ [ 51.389312] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.391289] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.392460] Modules linked in: [ 51.392871] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.395976] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.398766] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.399475] 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 [ 51.401673] RSP: 0018:ffff888015997c00 EFLAGS: 00010282 [ 51.402376] RAX: 0000000000000000 RBX: ffff888009aed040 RCX: 0000000000000000 [ 51.403301] RDX: ffff888016c93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.404222] RBP: ffff888009aed054 R08: 0000000000000001 R09: 0000000000000000 [ 51.405179] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.406045] R13: ffffffff84e223a0 R14: ffff888009aed048 R15: ffffffff84d73340 [ 51.406986] FS: 0000555555c03400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.407984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.408734] CR2: 00007fd4036f2010 CR3: 000000000f72a000 CR4: 0000000000350ee0 [ 51.409626] Call Trace: [ 51.409962] [ 51.410294] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.410925] ipv4_frags_init_net+0x269/0x440 [ 51.411524] ops_init+0xbb/0x6b0 [ 51.411979] setup_net+0x3d9/0x990 [ 51.412467] ? down_read_killable+0x1d7/0x4e0 [ 51.413069] ? __pfx_setup_net+0x10/0x10 [ 51.413640] ? copy_net_ns+0x17c/0x770 [ 51.414187] copy_net_ns+0x321/0x770 [ 51.414668] create_new_namespaces+0x3f6/0xb30 [ 51.415322] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.415953] ksys_unshare+0x44d/0x8e0 [ 51.416473] ? __pfx_ksys_unshare+0x10/0x10 [ 51.417029] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.417783] __x64_sys_unshare+0x31/0x40 [ 51.418335] do_syscall_64+0x3f/0x90 [ 51.418818] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.419524] RIP: 0033:0x7f75e75960d7 [ 51.420001] 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 [ 51.422243] RSP: 002b:00007fff7f1ece28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.423225] RAX: ffffffffffffffda RBX: 00007fff7f1ed468 RCX: 00007f75e75960d7 [ 51.424081] RDX: 00007f75e760041f RSI: 00007fff7f1ecdc0 RDI: 0000000040000000 [ 51.424973] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7f1ecbd0 [ 51.425870] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f75e76a8bf0 [ 51.426776] R13: 00007fff7f1ecf00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.427701] [ 51.428004] irq event stamp: 8133 [ 51.428457] hardirqs last enabled at (8145): [] __up_console_sem+0x78/0x80 [ 51.429588] hardirqs last disabled at (8156): [] __up_console_sem+0x5d/0x80 [ 51.430699] softirqs last enabled at (8042): [] irq_exit_rcu+0x93/0xc0 [ 51.431793] softirqs last disabled at (8037): [] irq_exit_rcu+0x93/0xc0 [ 51.432842] ---[ end trace 0000000000000000 ]--- [ 51.438802] ------------[ cut here ]------------ [ 51.439621] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.441345] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.442434] Modules linked in: [ 51.442869] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.444100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.445165] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.445816] 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 [ 51.448078] RSP: 0018:ffff888015997c00 EFLAGS: 00010282 [ 51.448756] RAX: 0000000000000000 RBX: ffff88800d533a40 RCX: 0000000000000000 [ 51.449668] RDX: ffff888016c93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.450588] RBP: ffff88800d533a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.451520] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.452435] R13: ffffffff84e223a0 R14: ffff88800d533a48 R15: ffffffff84da62e0 [ 51.453355] FS: 0000555555c03400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.454386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.455155] CR2: 00007fd4036f2010 CR3: 000000000f72a000 CR4: 0000000000350ee0 [ 51.456022] Call Trace: [ 51.456381] [ 51.456682] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.457347] ipv6_frags_init_net+0x206/0x3c0 [ 51.457924] ops_init+0xbb/0x6b0 [ 51.458406] setup_net+0x3d9/0x990 [ 51.458882] ? down_read_killable+0x1d7/0x4e0 [ 51.459548] ? __pfx_setup_net+0x10/0x10 [ 51.460093] ? copy_net_ns+0x17c/0x770 [ 51.460640] copy_net_ns+0x321/0x770 [ 51.461163] create_new_namespaces+0x3f6/0xb30 [ 51.461760] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.462418] ksys_unshare+0x44d/0x8e0 [ 51.462937] ? __pfx_ksys_unshare+0x10/0x10 [ 51.463522] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.464287] __x64_sys_unshare+0x31/0x40 [ 51.464814] do_syscall_64+0x3f/0x90 [ 51.465332] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.465998] RIP: 0033:0x7f75e75960d7 [ 51.466502] 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 [ 51.468773] RSP: 002b:00007fff7f1ece28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.469747] RAX: ffffffffffffffda RBX: 00007fff7f1ed468 RCX: 00007f75e75960d7 [ 51.470662] RDX: 00007f75e760041f RSI: 00007fff7f1ecdc0 RDI: 0000000040000000 [ 51.471600] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7f1ecbd0 [ 51.472506] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f75e76a8bf0 [ 51.473415] R13: 00007fff7f1ecf00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.474347] [ 51.474645] irq event stamp: 9969 [ 51.475093] hardirqs last enabled at (9979): [] __up_console_sem+0x78/0x80 [ 51.476240] hardirqs last disabled at (9992): [] __up_console_sem+0x5d/0x80 [ 51.477312] softirqs last enabled at (9450): [] irq_exit_rcu+0x93/0xc0 [ 51.478356] softirqs last disabled at (9397): [] irq_exit_rcu+0x93/0xc0 [ 51.479441] ---[ end trace 0000000000000000 ]--- [ 51.480834] ------------[ cut here ]------------ [ 51.481468] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.483428] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.484541] Modules linked in: [ 51.484958] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.486166] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.487240] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.487891] 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 [ 51.490159] RSP: 0018:ffff888015997bf0 EFLAGS: 00010286 [ 51.490849] RAX: 0000000000000000 RBX: ffff88800d532840 RCX: 0000000000000000 [ 51.491788] RDX: ffff888016c93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.492692] RBP: ffff88800d532854 R08: 0000000000000001 R09: 0000000000000000 [ 51.493603] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.494520] R13: ffffffff84e223a0 R14: ffff88800d532848 R15: ffffffff84daf020 [ 51.495448] FS: 0000555555c03400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.496475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.497235] CR2: 00007fd4036f2010 CR3: 000000000f72a000 CR4: 0000000000350ee0 [ 51.498172] Call Trace: [ 51.498503] [ 51.498801] nf_ct_net_init+0x224/0x3d0 [ 51.499392] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.500009] ops_init+0xbb/0x6b0 [ 51.500514] setup_net+0x3d9/0x990 [ 51.501000] ? down_read_killable+0x1d7/0x4e0 [ 51.501626] ? __pfx_setup_net+0x10/0x10 [ 51.502197] ? copy_net_ns+0x17c/0x770 [ 51.502710] copy_net_ns+0x321/0x770 [ 51.503239] create_new_namespaces+0x3f6/0xb30 [ 51.503848] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.504534] ksys_unshare+0x44d/0x8e0 [ 51.505034] ? __pfx_ksys_unshare+0x10/0x10 [ 51.505620] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.506371] __x64_sys_unshare+0x31/0x40 [ 51.506897] do_syscall_64+0x3f/0x90 [ 51.507420] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.508073] RIP: 0033:0x7f75e75960d7 [ 51.508619] 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 [ 51.510875] RSP: 002b:00007fff7f1ece28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.511866] RAX: ffffffffffffffda RBX: 00007fff7f1ed468 RCX: 00007f75e75960d7 [ 51.512789] RDX: 00007f75e760041f RSI: 00007fff7f1ecdc0 RDI: 0000000040000000 [ 51.513711] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7f1ecbd0 [ 51.514615] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f75e76a8bf0 [ 51.515526] R13: 00007fff7f1ecf00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.516458] [ 51.516767] irq event stamp: 10737 [ 51.517233] hardirqs last enabled at (10749): [] __up_console_sem+0x78/0x80 [ 51.518360] hardirqs last disabled at (10760): [] __up_console_sem+0x5d/0x80 [ 51.519480] softirqs last enabled at (10310): [] irq_exit_rcu+0x93/0xc0 [ 51.520544] softirqs last disabled at (10299): [] irq_exit_rcu+0x93/0xc0 [ 51.521594] ---[ end trace 0000000000000000 ]--- executing program [ 53.057854] Bluetooth: hci0: command 0x0409 tx timeout [ 55.105186] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.153218] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.201201] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 07:31:53 Registers: info registers vcpu 0 RAX=000000000002a3dd 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=00007fd403642a80 CR3=000000000e648000 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=2034353a31333a37302037312079614d XMM01=5d3938323139332e31352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3938323139332e31352020205b XMM07=79732034353a31333a37302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000005b RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015997618 R8 =0000000000000001 R9 =000000000000000a R10=000000000000005b R11=0000000000000001 R12=000000000000005b 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 0000555555c03400 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=00007fd4036f2010 CR3=000000000f72a000 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