Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5979' (ECDSA) to the list of known hosts. 2023/05/16 15:56:45 fuzzer started 2023/05/16 15:56:46 dialing manager at localhost:35573 2023/05/16 15:56:46 checking machine... 2023/05/16 15:56:46 checking revisions... syzkaller login: [ 55.683806] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:56:46 testing simple program... [ 55.757989] cgroup: Unknown subsys name 'net' [ 55.845430] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 67.510619] audit: type=1400 audit(1684252618.085:6): avc: denied { execmem } for pid=262 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 [ 68.659281] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.660951] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.662727] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.666860] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.668649] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.669872] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.062423] ------------[ cut here ]------------ [ 69.063055] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.065220] WARNING: CPU: 0 PID: 263 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.066572] Modules linked in: [ 69.066996] CPU: 0 PID: 263 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.071633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.072628] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.073291] 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 [ 69.075434] RSP: 0018:ffff88801a497c00 EFLAGS: 00010282 [ 69.076080] RAX: 0000000000000000 RBX: ffff88800e37b040 RCX: 0000000000000000 [ 69.076964] RDX: ffff888009ed8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.077844] RBP: ffff88800e37b054 R08: 0000000000000001 R09: 0000000000000000 [ 69.078715] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.079586] R13: ffffffff84e223a0 R14: ffff88800e37b048 R15: ffffffff84d73340 [ 69.080468] FS: 00005555573cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.081449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.082140] CR2: 00007f5997f976f4 CR3: 00000000168a0000 CR4: 0000000000350ef0 [ 69.083009] Call Trace: [ 69.083356] [ 69.083676] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.084305] ipv4_frags_init_net+0x269/0x440 [ 69.084852] ops_init+0xbb/0x6b0 [ 69.085321] setup_net+0x3d9/0x990 [ 69.085763] ? down_read_killable+0x1d7/0x4e0 [ 69.086356] ? __pfx_setup_net+0x10/0x10 [ 69.086860] ? copy_net_ns+0x17c/0x770 [ 69.087402] copy_net_ns+0x321/0x770 [ 69.087886] create_new_namespaces+0x3f6/0xb30 [ 69.088501] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.089111] ksys_unshare+0x44d/0x8e0 [ 69.089625] ? __pfx_ksys_unshare+0x10/0x10 [ 69.090163] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.090907] __x64_sys_unshare+0x31/0x40 [ 69.091466] do_syscall_64+0x3f/0x90 [ 69.091936] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.092592] RIP: 0033:0x7f4433e520d7 [ 69.093045] 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 [ 69.095177] RSP: 002b:00007fffaa23e758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.096127] RAX: ffffffffffffffda RBX: 00007fffaa23ed98 RCX: 00007f4433e520d7 [ 69.097000] RDX: 00007f4433ebc41f RSI: 00007fffaa23e6f0 RDI: 0000000040000000 [ 69.097863] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaa23e500 [ 69.098721] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4433f64bf0 [ 69.099599] R13: 00007fffaa23e830 R14: 0000000000000000 R15: 00000000000000f8 [ 69.100492] [ 69.100788] irq event stamp: 8447 [ 69.101201] hardirqs last enabled at (8457): [] __up_console_sem+0x78/0x80 [ 69.102235] hardirqs last disabled at (8468): [] __up_console_sem+0x5d/0x80 [ 69.103291] softirqs last enabled at (8432): [] irq_exit_rcu+0x93/0xc0 [ 69.104327] softirqs last disabled at (8427): [] irq_exit_rcu+0x93/0xc0 [ 69.105329] ---[ end trace 0000000000000000 ]--- [ 69.110925] ------------[ cut here ]------------ [ 69.111553] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 69.113314] WARNING: CPU: 0 PID: 263 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.114352] Modules linked in: [ 69.114754] CPU: 0 PID: 263 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.115923] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.116929] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.117603] 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 [ 69.119790] RSP: 0018:ffff88801a497c00 EFLAGS: 00010282 [ 69.120477] RAX: 0000000000000000 RBX: ffff88800f386040 RCX: 0000000000000000 [ 69.121359] RDX: ffff888009ed8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.122199] RBP: ffff88800f386054 R08: 0000000000000001 R09: 0000000000000000 [ 69.123063] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.123963] R13: ffffffff84e223a0 R14: ffff88800f386048 R15: ffffffff84da62e0 [ 69.124841] FS: 00005555573cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.125817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.126547] CR2: 00007f5997f976f4 CR3: 00000000168a0000 CR4: 0000000000350ef0 [ 69.127436] Call Trace: [ 69.127759] [ 69.128049] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 69.128682] ipv6_frags_init_net+0x206/0x3c0 [ 69.129228] ops_init+0xbb/0x6b0 [ 69.129690] setup_net+0x3d9/0x990 [ 69.130138] ? down_read_killable+0x1d7/0x4e0 [ 69.130730] ? __pfx_setup_net+0x10/0x10 [ 69.131228] ? copy_net_ns+0x17c/0x770 [ 69.131766] copy_net_ns+0x321/0x770 [ 69.132234] create_new_namespaces+0x3f6/0xb30 [ 69.132843] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.133482] ksys_unshare+0x44d/0x8e0 [ 69.133968] ? __pfx_ksys_unshare+0x10/0x10 [ 69.134533] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.135226] __x64_sys_unshare+0x31/0x40 [ 69.135780] do_syscall_64+0x3f/0x90 [ 69.136277] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.136910] RIP: 0033:0x7f4433e520d7 [ 69.137394] 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 [ 69.139519] RSP: 002b:00007fffaa23e758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.140461] RAX: ffffffffffffffda RBX: 00007fffaa23ed98 RCX: 00007f4433e520d7 [ 69.141329] RDX: 00007f4433ebc41f RSI: 00007fffaa23e6f0 RDI: 0000000040000000 [ 69.142161] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaa23e500 [ 69.143038] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4433f64bf0 [ 69.143906] R13: 00007fffaa23e830 R14: 0000000000000000 R15: 00000000000000f8 [ 69.144801] [ 69.145094] irq event stamp: 10283 [ 69.145561] hardirqs last enabled at (10295): [] __up_console_sem+0x78/0x80 [ 69.146606] hardirqs last disabled at (10306): [] __up_console_sem+0x5d/0x80 [ 69.147682] softirqs last enabled at (9858): [] irq_exit_rcu+0x93/0xc0 [ 69.148697] softirqs last disabled at (9849): [] irq_exit_rcu+0x93/0xc0 [ 69.149702] ---[ end trace 0000000000000000 ]--- [ 69.151013] ------------[ cut here ]------------ [ 69.151654] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 69.153686] WARNING: CPU: 0 PID: 263 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.154705] Modules linked in: [ 69.155098] CPU: 0 PID: 263 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.156262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.157220] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.157880] 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 [ 69.160012] RSP: 0018:ffff88801a497bf0 EFLAGS: 00010286 [ 69.160674] RAX: 0000000000000000 RBX: ffff888014559840 RCX: 0000000000000000 [ 69.161544] RDX: ffff888009ed8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.162436] RBP: ffff888014559854 R08: 0000000000000001 R09: 0000000000000000 [ 69.163315] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.164161] R13: ffffffff84e223a0 R14: ffff888014559848 R15: ffffffff84daf020 [ 69.165032] FS: 00005555573cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.166012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.166742] CR2: 00007f5997f976f4 CR3: 00000000168a0000 CR4: 0000000000350ef0 [ 69.167634] Call Trace: [ 69.167953] [ 69.168278] nf_ct_net_init+0x224/0x3d0 [ 69.168786] ? __pfx_nf_ct_net_init+0x10/0x10 [ 69.169382] ops_init+0xbb/0x6b0 [ 69.169818] setup_net+0x3d9/0x990 [ 69.170286] ? down_read_killable+0x1d7/0x4e0 [ 69.170839] ? __pfx_setup_net+0x10/0x10 [ 69.171359] ? copy_net_ns+0x17c/0x770 [ 69.171866] copy_net_ns+0x321/0x770 [ 69.172375] create_new_namespaces+0x3f6/0xb30 [ 69.172946] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.173581] ksys_unshare+0x44d/0x8e0 [ 69.174065] ? __pfx_ksys_unshare+0x10/0x10 [ 69.174625] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.175357] __x64_sys_unshare+0x31/0x40 [ 69.175888] do_syscall_64+0x3f/0x90 [ 69.176387] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.177009] RIP: 0033:0x7f4433e520d7 [ 69.177492] 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 [ 69.179632] RSP: 002b:00007fffaa23e758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.180560] RAX: ffffffffffffffda RBX: 00007fffaa23ed98 RCX: 00007f4433e520d7 [ 69.181425] RDX: 00007f4433ebc41f RSI: 00007fffaa23e6f0 RDI: 0000000040000000 [ 69.182286] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaa23e500 [ 69.183122] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4433f64bf0 [ 69.184018] R13: 00007fffaa23e830 R14: 0000000000000000 R15: 00000000000000f8 [ 69.184899] [ 69.185195] irq event stamp: 11065 [ 69.185645] hardirqs last enabled at (11077): [] __up_console_sem+0x78/0x80 [ 69.186698] hardirqs last disabled at (11088): [] __up_console_sem+0x5d/0x80 [ 69.187797] softirqs last enabled at (10694): [] irq_exit_rcu+0x93/0xc0 [ 69.188842] softirqs last disabled at (10689): [] irq_exit_rcu+0x93/0xc0 [ 69.189886] ---[ end trace 0000000000000000 ]--- executing program [ 70.742901] Bluetooth: hci0: command 0x0409 tx timeout [ 72.791316] Bluetooth: hci0: command 0x041b tx timeout executing program [ 74.838404] Bluetooth: hci0: command 0x040f tx timeout executing program [ 76.886330] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:56:39 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a4975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555573cd400 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=00007f5997f976f4 CR3=00000000168a0000 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=0000000000057a83 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=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 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=00007f30e7f6fd30 CR3=0000000015be4000 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=e1fcfc4adc7aa294ac499cd9e6b9738d XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=bbcfe3977711c46a000000000013b840 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=a4bb6e3946018c2600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000