Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:7913' (ECDSA) to the list of known hosts. 2023/05/18 02:12:52 fuzzer started 2023/05/18 02:12:52 dialing manager at localhost:44319 2023/05/18 02:12:52 checking machine... 2023/05/18 02:12:52 checking revisions... syzkaller login: [ 54.748209] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:12:52 testing simple program... [ 54.824084] cgroup: Unknown subsys name 'net' [ 54.877225] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 66.672826] audit: type=1400 audit(1684375984.879:6): 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 [ 67.790608] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.792406] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.798699] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.806207] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.808338] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.809619] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.190873] ------------[ cut here ]------------ [ 68.192039] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 68.193893] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.194995] Modules linked in: [ 68.195403] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.200592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.201615] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.202266] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 68.204474] RSP: 0018:ffff88801f80fc00 EFLAGS: 00010282 [ 68.205128] RAX: 0000000000000000 RBX: ffff8880165a4040 RCX: 0000000000000000 [ 68.206033] RDX: ffff888019c751c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.206922] RBP: ffff8880165a4054 R08: 0000000000000001 R09: 0000000000000000 [ 68.207809] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 68.208709] R13: ffffffff84e23fe0 R14: ffff8880165a4048 R15: ffffffff84d74dc0 [ 68.209597] FS: 0000555556787400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.210598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.211305] CR2: 00007f4590d2d6f4 CR3: 000000000eeb6000 CR4: 0000000000350ee0 [ 68.212189] Call Trace: [ 68.212573] [ 68.212875] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 68.213519] ipv4_frags_init_net+0x269/0x440 [ 68.214079] ops_init+0xbb/0x6b0 [ 68.214556] setup_net+0x3d9/0x990 [ 68.215008] ? down_read_killable+0x1d7/0x4e0 [ 68.215607] ? __pfx_setup_net+0x10/0x10 [ 68.216122] ? copy_net_ns+0x17c/0x770 [ 68.216679] copy_net_ns+0x321/0x770 [ 68.217167] create_new_namespaces+0x3f6/0xb30 [ 68.217776] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.218389] ksys_unshare+0x44d/0x8e0 [ 68.218914] ? __pfx_ksys_unshare+0x10/0x10 [ 68.219502] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.220215] __x64_sys_unshare+0x31/0x40 [ 68.220770] do_syscall_64+0x3f/0x90 [ 68.221250] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.221918] RIP: 0033:0x7f7fe10db0d7 [ 68.222377] 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 [ 68.224582] RSP: 002b:00007ffe6e859de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.225511] RAX: ffffffffffffffda RBX: 00007ffe6e85a428 RCX: 00007f7fe10db0d7 [ 68.226356] RDX: 00007f7fe114541f RSI: 00007ffe6e859d80 RDI: 0000000040000000 [ 68.227236] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6e859b90 [ 68.228111] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7fe11edbf0 [ 68.229010] R13: 00007ffe6e859ec0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.229906] [ 68.230205] irq event stamp: 8371 [ 68.230655] hardirqs last enabled at (8383): [] __up_console_sem+0x78/0x80 [ 68.231703] hardirqs last disabled at (8394): [] __up_console_sem+0x5d/0x80 [ 68.232768] softirqs last enabled at (7914): [] irq_exit_rcu+0x93/0xc0 [ 68.233780] softirqs last disabled at (7887): [] irq_exit_rcu+0x93/0xc0 [ 68.234797] ---[ end trace 0000000000000000 ]--- [ 68.239798] ------------[ cut here ]------------ [ 68.240414] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 68.242140] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.243218] Modules linked in: [ 68.243658] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.244831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.245862] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.246549] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 68.248739] RSP: 0018:ffff88801f80fc00 EFLAGS: 00010282 [ 68.249400] RAX: 0000000000000000 RBX: ffff88800d5e9c40 RCX: 0000000000000000 [ 68.250288] RDX: ffff888019c751c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.251172] RBP: ffff88800d5e9c54 R08: 0000000000000001 R09: 0000000000000000 [ 68.252059] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.252961] R13: ffffffff84e23fe0 R14: ffff88800d5e9c48 R15: ffffffff84da7d60 [ 68.253859] FS: 0000555556787400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.254874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.255626] CR2: 00007f4590d2d6f4 CR3: 000000000eeb6000 CR4: 0000000000350ee0 [ 68.256526] Call Trace: [ 68.256852] [ 68.257151] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 68.257800] ipv6_frags_init_net+0x206/0x3c0 [ 68.258369] ops_init+0xbb/0x6b0 [ 68.258843] setup_net+0x3d9/0x990 [ 68.259300] ? down_read_killable+0x1d7/0x4e0 [ 68.259893] ? __pfx_setup_net+0x10/0x10 [ 68.260412] ? copy_net_ns+0x17c/0x770 [ 68.260959] copy_net_ns+0x321/0x770 [ 68.261470] create_new_namespaces+0x3f6/0xb30 [ 68.262055] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.262699] ksys_unshare+0x44d/0x8e0 [ 68.263184] ? __pfx_ksys_unshare+0x10/0x10 [ 68.263757] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.264524] __x64_sys_unshare+0x31/0x40 [ 68.265035] do_syscall_64+0x3f/0x90 [ 68.265540] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.266178] RIP: 0033:0x7f7fe10db0d7 [ 68.266680] 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 [ 68.268835] RSP: 002b:00007ffe6e859de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.269785] RAX: ffffffffffffffda RBX: 00007ffe6e85a428 RCX: 00007f7fe10db0d7 [ 68.270688] RDX: 00007f7fe114541f RSI: 00007ffe6e859d80 RDI: 0000000040000000 [ 68.271583] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6e859b90 [ 68.272495] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7fe11edbf0 [ 68.273344] R13: 00007ffe6e859ec0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.274256] [ 68.274581] irq event stamp: 10133 [ 68.275013] hardirqs last enabled at (10143): [] __up_console_sem+0x78/0x80 [ 68.276115] hardirqs last disabled at (10162): [] __up_console_sem+0x5d/0x80 [ 68.277179] softirqs last enabled at (10158): [] irq_exit_rcu+0x93/0xc0 [ 68.278203] softirqs last disabled at (10151): [] irq_exit_rcu+0x93/0xc0 [ 68.279269] ---[ end trace 0000000000000000 ]--- [ 68.281257] ------------[ cut here ]------------ [ 68.281883] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.283837] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.284908] Modules linked in: [ 68.285322] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 68.286482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.287504] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.288146] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 68.290339] RSP: 0018:ffff88801f80fbf0 EFLAGS: 00010286 [ 68.291017] RAX: 0000000000000000 RBX: ffff88800d667c40 RCX: 0000000000000000 [ 68.291900] RDX: ffff888019c751c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 68.292804] RBP: ffff88800d667c54 R08: 0000000000000001 R09: 0000000000000000 [ 68.293703] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.294592] R13: ffffffff84e23fe0 R14: ffff88800d667c48 R15: ffffffff84db0aa0 [ 68.295485] FS: 0000555556787400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 68.296511] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.297221] CR2: 00007f4590d2d6f4 CR3: 000000000eeb6000 CR4: 0000000000350ee0 [ 68.298120] Call Trace: [ 68.298476] [ 68.298785] nf_ct_net_init+0x224/0x3d0 [ 68.299301] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.299903] ops_init+0xbb/0x6b0 [ 68.300367] setup_net+0x3d9/0x990 [ 68.300852] ? down_read_killable+0x1d7/0x4e0 [ 68.301426] ? __pfx_setup_net+0x10/0x10 [ 68.301976] ? copy_net_ns+0x17c/0x770 [ 68.302518] copy_net_ns+0x321/0x770 [ 68.303003] create_new_namespaces+0x3f6/0xb30 [ 68.303614] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.304245] ksys_unshare+0x44d/0x8e0 [ 68.304776] ? __pfx_ksys_unshare+0x10/0x10 [ 68.305322] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.306067] __x64_sys_unshare+0x31/0x40 [ 68.306610] do_syscall_64+0x3f/0x90 [ 68.307088] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.307767] RIP: 0033:0x7f7fe10db0d7 [ 68.308236] 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 [ 68.310381] RSP: 002b:00007ffe6e859de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.311338] RAX: ffffffffffffffda RBX: 00007ffe6e85a428 RCX: 00007f7fe10db0d7 [ 68.312253] RDX: 00007f7fe114541f RSI: 00007ffe6e859d80 RDI: 0000000040000000 [ 68.313134] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6e859b90 [ 68.314023] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7fe11edbf0 [ 68.314920] R13: 00007ffe6e859ec0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.315830] [ 68.316135] irq event stamp: 10929 [ 68.316619] hardirqs last enabled at (10941): [] __up_console_sem+0x78/0x80 [ 68.317669] hardirqs last disabled at (10952): [] __up_console_sem+0x5d/0x80 [ 68.318737] softirqs last enabled at (10836): [] irq_exit_rcu+0x93/0xc0 [ 68.319778] softirqs last disabled at (10831): [] irq_exit_rcu+0x93/0xc0 [ 68.320817] ---[ end trace 0000000000000000 ]--- executing program [ 69.876047] Bluetooth: hci0: command 0x0409 tx timeout [ 71.923536] Bluetooth: hci0: command 0x041b tx timeout executing program [ 73.971512] Bluetooth: hci0: command 0x040f tx timeout executing program [ 76.020522] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 02:12:48 Registers: info registers vcpu 0 RAX=000000000001e891 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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=00007f202ed23a50 CR3=00000000165d8000 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=2036303a33313a32302038312079614d XMM01=5d3330343539312e38362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000035 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f80f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000035 R11=0000000000000001 R12=0000000000000035 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556787400 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=00007f4590d2d6f4 CR3=000000000eeb6000 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