Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:40966' (ECDSA) to the list of known hosts. 2023/05/17 03:10:58 fuzzer started 2023/05/17 03:10:59 dialing manager at localhost:35573 2023/05/17 03:10:59 checking machine... 2023/05/17 03:10:59 checking revisions... syzkaller login: [ 36.652941] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:10:59 testing simple program... [ 36.719319] cgroup: Unknown subsys name 'net' [ 36.800135] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.604463] audit: type=1400 audit(1684293073.225:6): 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 executing program [ 51.736494] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.738148] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.739861] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.742292] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.743904] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.745260] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.130702] ------------[ cut here ]------------ [ 52.131389] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.133184] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.134256] Modules linked in: [ 52.134691] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.139317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.140348] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.140981] 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 [ 52.143245] RSP: 0018:ffff88801a237c00 EFLAGS: 00010282 [ 52.143997] RAX: 0000000000000000 RBX: ffff88800c6cac40 RCX: 0000000000000000 [ 52.144987] RDX: ffff8880166e51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.145992] RBP: ffff88800c6cac54 R08: 0000000000000001 R09: 0000000000000000 [ 52.146996] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.147976] R13: ffffffff84e223a0 R14: ffff88800c6cac48 R15: ffffffff84d73340 [ 52.149003] FS: 0000555557067400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.150168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.151042] CR2: 00007fe864de66f4 CR3: 00000000192b2000 CR4: 0000000000350ef0 [ 52.152073] Call Trace: [ 52.152491] [ 52.152841] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.153580] ipv4_frags_init_net+0x269/0x440 [ 52.154242] ops_init+0xbb/0x6b0 [ 52.154814] setup_net+0x3d9/0x990 [ 52.155395] ? down_read_killable+0x1d7/0x4e0 [ 52.156042] ? __pfx_setup_net+0x10/0x10 [ 52.156652] ? copy_net_ns+0x17c/0x770 [ 52.157230] copy_net_ns+0x321/0x770 [ 52.157831] create_new_namespaces+0x3f6/0xb30 [ 52.158549] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.159272] ksys_unshare+0x44d/0x8e0 [ 52.159883] ? __pfx_ksys_unshare+0x10/0x10 [ 52.160551] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.161407] __x64_sys_unshare+0x31/0x40 [ 52.162019] do_syscall_64+0x3f/0x90 [ 52.162603] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.163374] RIP: 0033:0x7fc5e48940d7 [ 52.163912] 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 [ 52.166382] RSP: 002b:00007ffe7661b2f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.167434] RAX: ffffffffffffffda RBX: 00007ffe7661b938 RCX: 00007fc5e48940d7 [ 52.168424] RDX: 00007fc5e48fe41f RSI: 00007ffe7661b290 RDI: 0000000040000000 [ 52.169399] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7661b0a0 [ 52.170416] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc5e49a6bf0 [ 52.171404] R13: 00007ffe7661b3d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.172418] [ 52.172753] irq event stamp: 8401 [ 52.173225] hardirqs last enabled at (8411): [] __up_console_sem+0x78/0x80 [ 52.174405] hardirqs last disabled at (8422): [] __up_console_sem+0x5d/0x80 [ 52.175563] softirqs last enabled at (7878): [] irq_exit_rcu+0x93/0xc0 [ 52.176709] softirqs last disabled at (7873): [] irq_exit_rcu+0x93/0xc0 [ 52.177857] ---[ end trace 0000000000000000 ]--- [ 52.183729] ------------[ cut here ]------------ [ 52.184452] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.186494] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.187694] Modules linked in: [ 52.188161] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.189491] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.190654] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.191421] 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 [ 52.193958] RSP: 0018:ffff88801a237c00 EFLAGS: 00010282 [ 52.194787] RAX: 0000000000000000 RBX: ffff88801022a440 RCX: 0000000000000000 [ 52.195802] RDX: ffff8880166e51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.196822] RBP: ffff88801022a454 R08: 0000000000000001 R09: 0000000000000000 [ 52.197841] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.198854] R13: ffffffff84e223a0 R14: ffff88801022a448 R15: ffffffff84da62e0 [ 52.199861] FS: 0000555557067400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.200995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.201847] CR2: 00007fe864de66f4 CR3: 00000000192b2000 CR4: 0000000000350ef0 [ 52.202864] Call Trace: [ 52.203236] [ 52.203615] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.204305] ipv6_frags_init_net+0x206/0x3c0 [ 52.204973] ops_init+0xbb/0x6b0 [ 52.205513] setup_net+0x3d9/0x990 [ 52.206040] ? down_read_killable+0x1d7/0x4e0 [ 52.206729] ? __pfx_setup_net+0x10/0x10 [ 52.207308] ? copy_net_ns+0x17c/0x770 [ 52.207923] copy_net_ns+0x321/0x770 [ 52.208511] create_new_namespaces+0x3f6/0xb30 [ 52.209185] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.209947] ksys_unshare+0x44d/0x8e0 [ 52.210546] ? __pfx_ksys_unshare+0x10/0x10 [ 52.211171] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.212030] __x64_sys_unshare+0x31/0x40 [ 52.212659] do_syscall_64+0x3f/0x90 [ 52.213202] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.213974] RIP: 0033:0x7fc5e48940d7 [ 52.214542] 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 [ 52.217079] RSP: 002b:00007ffe7661b2f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.218255] RAX: ffffffffffffffda RBX: 00007ffe7661b938 RCX: 00007fc5e48940d7 [ 52.219275] RDX: 00007fc5e48fe41f RSI: 00007ffe7661b290 RDI: 0000000040000000 [ 52.220298] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7661b0a0 [ 52.221306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc5e49a6bf0 [ 52.222356] R13: 00007ffe7661b3d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.223407] [ 52.223752] irq event stamp: 10265 [ 52.224249] hardirqs last enabled at (10275): [] __up_console_sem+0x78/0x80 [ 52.225462] hardirqs last disabled at (10286): [] __up_console_sem+0x5d/0x80 [ 52.226688] softirqs last enabled at (9848): [] irq_exit_rcu+0x93/0xc0 [ 52.227858] softirqs last disabled at (9843): [] irq_exit_rcu+0x93/0xc0 [ 52.229043] ---[ end trace 0000000000000000 ]--- [ 52.230589] ------------[ cut here ]------------ [ 52.231253] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.233542] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.234759] Modules linked in: [ 52.235222] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.236549] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.237728] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.238505] 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 [ 52.241002] RSP: 0018:ffff88801a237bf0 EFLAGS: 00010286 [ 52.241792] RAX: 0000000000000000 RBX: ffff88801022b640 RCX: 0000000000000000 [ 52.242815] RDX: ffff8880166e51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.243835] RBP: ffff88801022b654 R08: 0000000000000001 R09: 0000000000000000 [ 52.244847] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.245876] R13: ffffffff84e223a0 R14: ffff88801022b648 R15: ffffffff84daf020 [ 52.246893] FS: 0000555557067400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.248037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.248870] CR2: 00007fe864de66f4 CR3: 00000000192b2000 CR4: 0000000000350ef0 [ 52.249876] Call Trace: [ 52.250233] [ 52.250599] nf_ct_net_init+0x224/0x3d0 [ 52.251165] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.251832] ops_init+0xbb/0x6b0 [ 52.252356] setup_net+0x3d9/0x990 [ 52.252855] ? down_read_killable+0x1d7/0x4e0 [ 52.253518] ? __pfx_setup_net+0x10/0x10 [ 52.254149] ? copy_net_ns+0x17c/0x770 [ 52.254794] copy_net_ns+0x321/0x770 [ 52.255416] create_new_namespaces+0x3f6/0xb30 [ 52.256134] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.256925] ksys_unshare+0x44d/0x8e0 [ 52.257560] ? __pfx_ksys_unshare+0x10/0x10 [ 52.258251] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.259149] __x64_sys_unshare+0x31/0x40 [ 52.259800] do_syscall_64+0x3f/0x90 [ 52.260405] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.261186] RIP: 0033:0x7fc5e48940d7 [ 52.261805] 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 [ 52.264450] RSP: 002b:00007ffe7661b2f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.265599] RAX: ffffffffffffffda RBX: 00007ffe7661b938 RCX: 00007fc5e48940d7 [ 52.266715] RDX: 00007fc5e48fe41f RSI: 00007ffe7661b290 RDI: 0000000040000000 [ 52.267788] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7661b0a0 [ 52.268854] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc5e49a6bf0 [ 52.269916] R13: 00007ffe7661b3d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.270935] [ 52.271251] irq event stamp: 11065 [ 52.271729] hardirqs last enabled at (11077): [] __up_console_sem+0x78/0x80 [ 52.272847] hardirqs last disabled at (11088): [] __up_console_sem+0x5d/0x80 [ 52.273975] softirqs last enabled at (10892): [] irq_exit_rcu+0x93/0xc0 [ 52.275055] softirqs last disabled at (10887): [] irq_exit_rcu+0x93/0xc0 [ 52.276153] ---[ end trace 0000000000000000 ]--- [ 53.818846] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.865427] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.913429] Bluetooth: hci0: command 0x040f tx timeout [ 59.961471] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:11:14 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a237598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555557067400 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=00007fe864de66f4 CR3=00000000192b2000 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=000000000002bc09 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007fdd897b9610 CR3=000000000e2ba000 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=2034313a31313a33302037312079614d XMM01=5d3139363433312e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000