Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:59554' (ECDSA) to the list of known hosts. 2023/05/17 00:30:26 fuzzer started 2023/05/17 00:30:26 dialing manager at localhost:35573 2023/05/17 00:30:27 checking machine... 2023/05/17 00:30:27 checking revisions... syzkaller login: [ 45.224462] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:30:27 testing simple program... [ 45.298544] cgroup: Unknown subsys name 'net' [ 45.374700] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.653738] audit: type=1400 audit(1684283440.588:6): 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 [ 59.755849] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.757754] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.759438] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.762091] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.763784] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.764985] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 60.153389] ------------[ cut here ]------------ [ 60.154067] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.155769] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.156884] Modules linked in: [ 60.157416] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.159878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.162181] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.163447] 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 [ 60.166258] RSP: 0018:ffff888019c2fc00 EFLAGS: 00010282 [ 60.167074] RAX: 0000000000000000 RBX: ffff888015a95c40 RCX: 0000000000000000 [ 60.168278] RDX: ffff8880159d8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.169463] RBP: ffff888015a95c54 R08: 0000000000000001 R09: 0000000000000000 [ 60.170672] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.171903] R13: ffffffff84e223a0 R14: ffff888015a95c48 R15: ffffffff84d73340 [ 60.173111] FS: 000055555633e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.174588] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.175718] CR2: 00007fb7000036f4 CR3: 000000000c5fc000 CR4: 0000000000350ee0 [ 60.176926] Call Trace: [ 60.177502] [ 60.177863] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.178817] ipv4_frags_init_net+0x269/0x440 [ 60.179653] ops_init+0xbb/0x6b0 [ 60.180082] setup_net+0x3d9/0x990 [ 60.180627] ? down_read_killable+0x1d7/0x4e0 [ 60.181202] ? __pfx_setup_net+0x10/0x10 [ 60.181685] ? copy_net_ns+0x17c/0x770 [ 60.182195] copy_net_ns+0x321/0x770 [ 60.182655] create_new_namespaces+0x3f6/0xb30 [ 60.183270] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.183857] ksys_unshare+0x44d/0x8e0 [ 60.184354] ? __pfx_ksys_unshare+0x10/0x10 [ 60.184871] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.185575] __x64_sys_unshare+0x31/0x40 [ 60.186075] do_syscall_64+0x3f/0x90 [ 60.186560] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.187209] RIP: 0033:0x7fdcc860a0d7 [ 60.187649] 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 [ 60.189749] RSP: 002b:00007ffe35a485f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.190708] RAX: ffffffffffffffda RBX: 00007ffe35a48c38 RCX: 00007fdcc860a0d7 [ 60.191634] RDX: 00007fdcc867441f RSI: 00007ffe35a48590 RDI: 0000000040000000 [ 60.192520] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe35a483a0 [ 60.193389] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdcc871cbf0 [ 60.194285] R13: 00007ffe35a486d0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.195192] [ 60.195496] irq event stamp: 10645 [ 60.195931] hardirqs last enabled at (10655): [] __up_console_sem+0x78/0x80 [ 60.197018] hardirqs last disabled at (10666): [] __up_console_sem+0x5d/0x80 [ 60.198105] softirqs last enabled at (10396): [] irq_exit_rcu+0x93/0xc0 [ 60.199191] softirqs last disabled at (10683): [] irq_exit_rcu+0x93/0xc0 [ 60.200247] ---[ end trace 0000000000000000 ]--- [ 60.205464] ------------[ cut here ]------------ [ 60.206048] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.207848] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.208923] Modules linked in: [ 60.209371] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.210531] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.211577] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.212249] 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 [ 60.214433] RSP: 0018:ffff888019c2fc00 EFLAGS: 00010282 [ 60.215097] RAX: 0000000000000000 RBX: ffff88800f378440 RCX: 0000000000000000 [ 60.216009] RDX: ffff8880159d8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.216898] RBP: ffff88800f378454 R08: 0000000000000001 R09: 0000000000000000 [ 60.217786] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.218692] R13: ffffffff84e223a0 R14: ffff88800f378448 R15: ffffffff84da62e0 [ 60.219597] FS: 000055555633e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.220587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.221331] CR2: 00007fb7000036f4 CR3: 000000000c5fc000 CR4: 0000000000350ee0 [ 60.222243] Call Trace: [ 60.222576] [ 60.222884] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.223535] ipv6_frags_init_net+0x206/0x3c0 [ 60.224093] ops_init+0xbb/0x6b0 [ 60.224576] setup_net+0x3d9/0x990 [ 60.225024] ? down_read_killable+0x1d7/0x4e0 [ 60.225623] ? __pfx_setup_net+0x10/0x10 [ 60.226161] ? copy_net_ns+0x17c/0x770 [ 60.226662] copy_net_ns+0x321/0x770 [ 60.227178] create_new_namespaces+0x3f6/0xb30 [ 60.227770] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.228425] ksys_unshare+0x44d/0x8e0 [ 60.228924] ? __pfx_ksys_unshare+0x10/0x10 [ 60.229493] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.230230] __x64_sys_unshare+0x31/0x40 [ 60.230749] do_syscall_64+0x3f/0x90 [ 60.231283] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.231927] RIP: 0033:0x7fdcc860a0d7 [ 60.232429] 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 [ 60.234648] RSP: 002b:00007ffe35a485f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.235609] RAX: ffffffffffffffda RBX: 00007ffe35a48c38 RCX: 00007fdcc860a0d7 [ 60.236509] RDX: 00007fdcc867441f RSI: 00007ffe35a48590 RDI: 0000000040000000 [ 60.237413] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe35a483a0 [ 60.238308] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdcc871cbf0 [ 60.239217] R13: 00007ffe35a486d0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.240091] [ 60.240425] irq event stamp: 12547 [ 60.240851] hardirqs last enabled at (12557): [] __up_console_sem+0x78/0x80 [ 60.241921] hardirqs last disabled at (12568): [] __up_console_sem+0x5d/0x80 [ 60.242980] softirqs last enabled at (12454): [] irq_exit_rcu+0x93/0xc0 [ 60.244019] softirqs last disabled at (12445): [] irq_exit_rcu+0x93/0xc0 [ 60.245067] ---[ end trace 0000000000000000 ]--- [ 60.246445] ------------[ cut here ]------------ [ 60.247031] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.249037] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.250090] Modules linked in: [ 60.250524] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.251699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.252698] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.253378] 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 [ 60.255573] RSP: 0018:ffff888019c2fbf0 EFLAGS: 00010286 [ 60.256252] RAX: 0000000000000000 RBX: ffff88800f378a40 RCX: 0000000000000000 [ 60.257098] RDX: ffff8880159d8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.257992] RBP: ffff88800f378a54 R08: 0000000000000001 R09: 0000000000000000 [ 60.258885] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.259770] R13: ffffffff84e223a0 R14: ffff88800f378a48 R15: ffffffff84daf020 [ 60.260656] FS: 000055555633e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.261658] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.262382] CR2: 00007fb7000036f4 CR3: 000000000c5fc000 CR4: 0000000000350ee0 [ 60.263313] Call Trace: [ 60.263636] [ 60.263934] nf_ct_net_init+0x224/0x3d0 [ 60.264485] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.265058] ops_init+0xbb/0x6b0 [ 60.265536] setup_net+0x3d9/0x990 [ 60.265985] ? down_read_killable+0x1d7/0x4e0 [ 60.266584] ? __pfx_setup_net+0x10/0x10 [ 60.267101] ? copy_net_ns+0x17c/0x770 [ 60.267629] copy_net_ns+0x321/0x770 [ 60.268101] create_new_namespaces+0x3f6/0xb30 [ 60.268725] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.269374] ksys_unshare+0x44d/0x8e0 [ 60.269859] ? __pfx_ksys_unshare+0x10/0x10 [ 60.270432] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.271200] __x64_sys_unshare+0x31/0x40 [ 60.271720] do_syscall_64+0x3f/0x90 [ 60.272233] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.272860] RIP: 0033:0x7fdcc860a0d7 [ 60.273367] 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 [ 60.275535] RSP: 002b:00007ffe35a485f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.276492] RAX: ffffffffffffffda RBX: 00007ffe35a48c38 RCX: 00007fdcc860a0d7 [ 60.277394] RDX: 00007fdcc867441f RSI: 00007ffe35a48590 RDI: 0000000040000000 [ 60.278294] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe35a483a0 [ 60.279175] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdcc871cbf0 [ 60.280024] R13: 00007ffe35a486d0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.280952] [ 60.281283] irq event stamp: 13333 [ 60.281719] hardirqs last enabled at (13343): [] __up_console_sem+0x78/0x80 [ 60.282789] hardirqs last disabled at (13354): [] __up_console_sem+0x5d/0x80 [ 60.283897] softirqs last enabled at (12994): [] irq_exit_rcu+0x93/0xc0 [ 60.284940] softirqs last disabled at (12989): [] irq_exit_rcu+0x93/0xc0 [ 60.285971] ---[ end trace 0000000000000000 ]--- [ 61.834793] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.882220] Bluetooth: hci0: command 0x041b tx timeout [ 65.930219] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.978204] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:30:26 Registers: info registers vcpu 0 RAX=ffffffff8542a780 RBX=ffff88806ce3a0c8 RCX=ffffffff844ced63 RDX=1ffff1100d9c7414 RSI=0000000000000008 RDI=ffff8880069513f0 RBP=ffff888018b47b88 RSP=ffff888018b47a50 R8 =1ffff1100d9c7465 R9 =fffffbfff0ba6942 R10=ffffffff85d34a17 R11=0000000000000001 R12=ffff88806ce396c0 R13=ffff888006950000 R14=ffff88806ce3a0a0 R15=ffffffff8542a780 RIP=ffffffff81811308 RFL=00000046 [---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 00007f4e14f42700 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=00007f8b1143aa80 CR3=000000000f114000 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=2032343a30333a30302037312079614d XMM01=5d3631343735312e30362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019c2f5e8 R8 =0000000000000001 R9 =ffffed1003385eae R10=0000000000000003 R11=0000000000000001 R12=0000000000000039 R13=ffffffff87f27bc0 R14=ffffffff87f27c10 R15=ffffffff87f27e78 RIP=ffffffff82507645 RFL=00000006 [-----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 000055555633e400 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=00007fb7000036f4 CR3=000000000c5fc000 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