Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:1777' (ECDSA) to the list of known hosts. 2023/05/16 14:36:14 fuzzer started 2023/05/16 14:36:14 dialing manager at localhost:35573 2023/05/16 14:36:14 checking machine... 2023/05/16 14:36:14 checking revisions... syzkaller login: [ 31.034217] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:36:14 testing simple program... [ 31.102067] cgroup: Unknown subsys name 'net' [ 31.193899] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.547208] audit: type=1400 audit(1684247787.242:6): 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 [ 44.642235] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.645896] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.647176] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.650595] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.652777] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.653884] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.023178] ------------[ cut here ]------------ [ 45.024348] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.026320] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.027403] Modules linked in: [ 45.027835] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.032344] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.033346] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.034127] 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 [ 45.036304] RSP: 0018:ffff88800e62fc00 EFLAGS: 00010282 [ 45.036998] RAX: 0000000000000000 RBX: ffff88800dd9ec40 RCX: 0000000000000000 [ 45.037888] RDX: ffff888016b51b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.038774] RBP: ffff88800dd9ec54 R08: 0000000000000001 R09: 0000000000000000 [ 45.039670] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.040546] R13: ffffffff84e223a0 R14: ffff88800dd9ec48 R15: ffffffff84d73340 [ 45.041400] FS: 000055555714e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.042459] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.043198] CR2: 00007fa1d81f66f4 CR3: 0000000018ea2000 CR4: 0000000000350ee0 [ 45.044156] Call Trace: [ 45.044520] [ 45.044827] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.045489] ipv4_frags_init_net+0x269/0x440 [ 45.046069] ops_init+0xbb/0x6b0 [ 45.046549] setup_net+0x3d9/0x990 [ 45.047019] ? down_read_killable+0x1d7/0x4e0 [ 45.047648] ? __pfx_setup_net+0x10/0x10 [ 45.048173] ? copy_net_ns+0x17c/0x770 [ 45.048730] copy_net_ns+0x321/0x770 [ 45.049229] create_new_namespaces+0x3f6/0xb30 [ 45.049862] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.050529] ksys_unshare+0x44d/0x8e0 [ 45.051047] ? __pfx_ksys_unshare+0x10/0x10 [ 45.051650] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.052406] __x64_sys_unshare+0x31/0x40 [ 45.052971] do_syscall_64+0x3f/0x90 [ 45.053491] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.054162] RIP: 0033:0x7f317c9760d7 [ 45.054674] 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 [ 45.056965] RSP: 002b:00007ffdbb8d3cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.057959] RAX: ffffffffffffffda RBX: 00007ffdbb8d4338 RCX: 00007f317c9760d7 [ 45.058875] RDX: 00007f317c9e041f RSI: 00007ffdbb8d3c90 RDI: 0000000040000000 [ 45.059806] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbb8d3aa0 [ 45.060733] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f317ca88bf0 [ 45.061650] R13: 00007ffdbb8d3dd0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.062598] [ 45.062910] irq event stamp: 8661 [ 45.063352] hardirqs last enabled at (8671): [] __up_console_sem+0x78/0x80 [ 45.064484] hardirqs last disabled at (8682): [] __up_console_sem+0x5d/0x80 [ 45.065573] softirqs last enabled at (8230): [] irq_exit_rcu+0x93/0xc0 [ 45.066644] softirqs last disabled at (8219): [] irq_exit_rcu+0x93/0xc0 [ 45.067725] ---[ end trace 0000000000000000 ]--- [ 45.076618] ------------[ cut here ]------------ [ 45.077232] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.079053] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.080230] Modules linked in: [ 45.080756] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.082003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.083109] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.083883] 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 [ 45.086144] RSP: 0018:ffff88800e62fc00 EFLAGS: 00010282 [ 45.086909] RAX: 0000000000000000 RBX: ffff88801659ea40 RCX: 0000000000000000 [ 45.087873] RDX: ffff888016b51b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.088826] RBP: ffff88801659ea54 R08: 0000000000000001 R09: 0000000000000000 [ 45.089779] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.090736] R13: ffffffff84e223a0 R14: ffff88801659ea48 R15: ffffffff84da62e0 [ 45.091724] FS: 000055555714e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.092791] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.093604] CR2: 00007f35e6036000 CR3: 0000000018ea2000 CR4: 0000000000350ef0 [ 45.094568] Call Trace: [ 45.094889] [ 45.095181] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.095903] ipv6_frags_init_net+0x206/0x3c0 [ 45.096481] ops_init+0xbb/0x6b0 [ 45.096921] setup_net+0x3d9/0x990 [ 45.097366] ? down_read_killable+0x1d7/0x4e0 [ 45.097955] ? __pfx_setup_net+0x10/0x10 [ 45.098485] ? copy_net_ns+0x17c/0x770 [ 45.098988] copy_net_ns+0x321/0x770 [ 45.099519] create_new_namespaces+0x3f6/0xb30 [ 45.100106] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.100744] ksys_unshare+0x44d/0x8e0 [ 45.101233] ? __pfx_ksys_unshare+0x10/0x10 [ 45.101802] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.102538] __x64_sys_unshare+0x31/0x40 [ 45.103055] do_syscall_64+0x3f/0x90 [ 45.103575] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.104213] RIP: 0033:0x7f317c9760d7 [ 45.104700] 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 [ 45.106864] RSP: 002b:00007ffdbb8d3cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.107811] RAX: ffffffffffffffda RBX: 00007ffdbb8d4338 RCX: 00007f317c9760d7 [ 45.108689] RDX: 00007f317c9e041f RSI: 00007ffdbb8d3c90 RDI: 0000000040000000 [ 45.109577] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbb8d3aa0 [ 45.110434] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f317ca88bf0 [ 45.111331] R13: 00007ffdbb8d3dd0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.112264] [ 45.112587] irq event stamp: 12085 [ 45.113016] hardirqs last enabled at (12095): [] __up_console_sem+0x78/0x80 [ 45.114067] hardirqs last disabled at (12106): [] __up_console_sem+0x5d/0x80 [ 45.115120] softirqs last enabled at (11802): [] irq_exit_rcu+0x93/0xc0 [ 45.116166] softirqs last disabled at (11775): [] irq_exit_rcu+0x93/0xc0 [ 45.117196] ---[ end trace 0000000000000000 ]--- [ 45.118577] ------------[ cut here ]------------ [ 45.119156] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.121042] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.122101] Modules linked in: [ 45.122530] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.123691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.124704] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.125333] 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 [ 45.127485] RSP: 0018:ffff88800e62fbf0 EFLAGS: 00010286 [ 45.128134] RAX: 0000000000000000 RBX: ffff88801659ec40 RCX: 0000000000000000 [ 45.129019] RDX: ffff888016b51b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.129898] RBP: ffff88801659ec54 R08: 0000000000000001 R09: 0000000000000000 [ 45.130784] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.131692] R13: ffffffff84e223a0 R14: ffff88801659ec48 R15: ffffffff84daf020 [ 45.132582] FS: 000055555714e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.133570] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.134266] CR2: 00007f35e6036000 CR3: 0000000018ea2000 CR4: 0000000000350ef0 [ 45.135145] Call Trace: [ 45.135501] [ 45.135799] nf_ct_net_init+0x224/0x3d0 [ 45.136311] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.136913] ops_init+0xbb/0x6b0 [ 45.137347] setup_net+0x3d9/0x990 [ 45.137829] ? down_read_killable+0x1d7/0x4e0 [ 45.138387] ? __pfx_setup_net+0x10/0x10 [ 45.138927] ? copy_net_ns+0x17c/0x770 [ 45.139477] copy_net_ns+0x321/0x770 [ 45.139953] create_new_namespaces+0x3f6/0xb30 [ 45.140560] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.141167] ksys_unshare+0x44d/0x8e0 [ 45.141679] ? __pfx_ksys_unshare+0x10/0x10 [ 45.142217] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.142953] __x64_sys_unshare+0x31/0x40 [ 45.143509] do_syscall_64+0x3f/0x90 [ 45.143979] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.144639] RIP: 0033:0x7f317c9760d7 [ 45.145101] 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 [ 45.147242] RSP: 002b:00007ffdbb8d3cf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.148195] RAX: ffffffffffffffda RBX: 00007ffdbb8d4338 RCX: 00007f317c9760d7 [ 45.149091] RDX: 00007f317c9e041f RSI: 00007ffdbb8d3c90 RDI: 0000000040000000 [ 45.149965] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbb8d3aa0 [ 45.150843] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f317ca88bf0 [ 45.151752] R13: 00007ffdbb8d3dd0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.152665] [ 45.152964] irq event stamp: 12851 [ 45.153398] hardirqs last enabled at (12861): [] __up_console_sem+0x78/0x80 [ 45.154472] hardirqs last disabled at (12874): [] __up_console_sem+0x5d/0x80 [ 45.155542] softirqs last enabled at (12350): [] irq_exit_rcu+0x93/0xc0 [ 45.156565] softirqs last disabled at (12337): [] irq_exit_rcu+0x93/0xc0 [ 45.157590] ---[ end trace 0000000000000000 ]--- executing program [ 46.661095] Bluetooth: hci0: command 0x0409 tx timeout [ 48.708590] Bluetooth: hci0: command 0x041b tx timeout executing program [ 50.756584] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.804540] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:36:26 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff844e836b RDX=fffffbfff0fe4f79 RSI=0000000000000004 RDI=ffffffff87f27bc0 RBP=ffffffff87f27bc0 RSP=ffff88806ce09b60 R8 =0000000000000000 R9 =fffffbfff0fe4f78 R10=ffffffff87f27bc3 R11=0000000000000001 R12=0000000000000003 R13=fffffbfff0fe4f78 R14=0000000000000001 R15=1ffff1100d9c136d RIP=ffffffff844e83e8 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 00007f61c7fff700 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=00007f35e5f6c070 CR3=00000000164ba000 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=2038323a36333a34312036312079614d XMM01=5d3533383732302e35342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800e62f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e 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 000055555714e400 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=00007fa1d81f66f4 CR3=0000000018ea2000 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