Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:36563' (ECDSA) to the list of known hosts. 2023/05/17 21:57:04 fuzzer started 2023/05/17 21:57:05 dialing manager at localhost:44319 2023/05/17 21:57:05 checking machine... 2023/05/17 21:57:05 checking revisions... syzkaller login: [ 61.666947] kmemleak: Automatic memory scanning thread ended 2023/05/17 21:57:05 testing simple program... [ 61.739517] cgroup: Unknown subsys name 'net' [ 61.840035] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 74.920352] audit: type=1400 audit(1684360638.520:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 76.047670] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.049254] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.051895] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.055865] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.058049] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.060113] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.474931] ------------[ cut here ]------------ [ 76.475670] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 76.477567] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.478760] Modules linked in: [ 76.479230] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.481347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.483307] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.484180] 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 [ 76.485808] RSP: 0018:ffff88800fb1fc00 EFLAGS: 00010282 [ 76.486265] RAX: 0000000000000000 RBX: ffff88800f099440 RCX: 0000000000000000 [ 76.486955] RDX: ffff888015a7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.487712] RBP: ffff88800f099454 R08: 0000000000000001 R09: 0000000000000000 [ 76.488309] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.488998] R13: ffffffff84e23fe0 R14: ffff88800f099448 R15: ffffffff84d74dc0 [ 76.489631] FS: 00005555573d9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.490298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.490826] CR2: 00007ff4bcb096f4 CR3: 000000000ebe4000 CR4: 0000000000350ee0 [ 76.491427] Call Trace: [ 76.491702] [ 76.491916] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 76.492349] ipv4_frags_init_net+0x269/0x440 [ 76.492779] ops_init+0xbb/0x6b0 [ 76.493107] setup_net+0x3d9/0x990 [ 76.493432] ? down_read_killable+0x1d7/0x4e0 [ 76.493878] ? __pfx_setup_net+0x10/0x10 [ 76.494238] ? copy_net_ns+0x17c/0x770 [ 76.494629] copy_net_ns+0x321/0x770 [ 76.494979] create_new_namespaces+0x3f6/0xb30 [ 76.495387] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.495850] ksys_unshare+0x44d/0x8e0 [ 76.496205] ? __pfx_ksys_unshare+0x10/0x10 [ 76.496615] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.497133] __x64_sys_unshare+0x31/0x40 [ 76.497492] do_syscall_64+0x3f/0x90 [ 76.497866] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.498323] RIP: 0033:0x7f97c85a70d7 [ 76.498680] 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 [ 76.500192] RSP: 002b:00007ffef1b2e228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.500929] RAX: ffffffffffffffda RBX: 00007ffef1b2e868 RCX: 00007f97c85a70d7 [ 76.502195] RDX: 00007f97c861141f RSI: 00007ffef1b2e1c0 RDI: 0000000040000000 [ 76.503441] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef1b2dfd0 [ 76.504691] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f97c86b9bf0 [ 76.505856] R13: 00007ffef1b2e300 R14: 0000000000000000 R15: 00000000000000f8 [ 76.506932] [ 76.507291] irq event stamp: 8769 [ 76.507831] hardirqs last enabled at (8781): [] __up_console_sem+0x78/0x80 [ 76.509091] hardirqs last disabled at (8792): [] __up_console_sem+0x5d/0x80 [ 76.510336] softirqs last enabled at (8414): [] irq_exit_rcu+0x93/0xc0 [ 76.511564] softirqs last disabled at (8389): [] irq_exit_rcu+0x93/0xc0 [ 76.512787] ---[ end trace 0000000000000000 ]--- [ 76.519026] ------------[ cut here ]------------ [ 76.519807] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 76.521802] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.523044] Modules linked in: [ 76.523564] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.524936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.526140] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.526937] 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 [ 76.529550] RSP: 0018:ffff88800fb1fc00 EFLAGS: 00010282 [ 76.530318] RAX: 0000000000000000 RBX: ffff888016414640 RCX: 0000000000000000 executing program [ 76.531370] RDX: ffff888015a7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.532555] RBP: ffff888016414654 R08: 0000000000000001 R09: 0000000000000000 [ 76.533637] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.534677] R13: ffffffff84e23fe0 R14: ffff888016414648 R15: ffffffff84da7d60 [ 76.535729] FS: 00005555573d9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.536945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.537819] CR2: 00007ff4bcb096f4 CR3: 000000000ebe4000 CR4: 0000000000350ee0 [ 76.538883] Call Trace: [ 76.539266] [ 76.539662] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 76.540380] ipv6_frags_init_net+0x206/0x3c0 [ 76.541114] ops_init+0xbb/0x6b0 [ 76.541687] setup_net+0x3d9/0x990 [ 76.542233] ? down_read_killable+0x1d7/0x4e0 [ 76.542957] ? __pfx_setup_net+0x10/0x10 [ 76.543608] ? copy_net_ns+0x17c/0x770 [ 76.544198] copy_net_ns+0x321/0x770 [ 76.544822] create_new_namespaces+0x3f6/0xb30 [ 76.545582] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.546313] ksys_unshare+0x44d/0x8e0 [ 76.546949] ? __pfx_ksys_unshare+0x10/0x10 [ 76.547633] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.548473] __x64_sys_unshare+0x31/0x40 [ 76.549138] do_syscall_64+0x3f/0x90 [ 76.549754] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.550510] RIP: 0033:0x7f97c85a70d7 [ 76.551112] 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 [ 76.553725] RSP: 002b:00007ffef1b2e228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.554847] RAX: ffffffffffffffda RBX: 00007ffef1b2e868 RCX: 00007f97c85a70d7 [ 76.555902] RDX: 00007f97c861141f RSI: 00007ffef1b2e1c0 RDI: 0000000040000000 [ 76.556985] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef1b2dfd0 [ 76.558039] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f97c86b9bf0 [ 76.559103] R13: 00007ffef1b2e300 R14: 0000000000000000 R15: 00000000000000f8 [ 76.560186] [ 76.560570] irq event stamp: 10429 [ 76.561100] hardirqs last enabled at (10439): [] __up_console_sem+0x78/0x80 [ 76.562374] hardirqs last disabled at (10450): [] __up_console_sem+0x5d/0x80 [ 76.563641] softirqs last enabled at (9902): [] irq_exit_rcu+0x93/0xc0 [ 76.564885] softirqs last disabled at (9883): [] irq_exit_rcu+0x93/0xc0 [ 76.566120] ---[ end trace 0000000000000000 ]--- [ 76.567698] ------------[ cut here ]------------ [ 76.568388] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 76.570640] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.571887] Modules linked in: [ 76.572373] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.573769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.574971] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.575785] 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 [ 76.578396] RSP: 0018:ffff88800fb1fbf0 EFLAGS: 00010286 [ 76.579216] RAX: 0000000000000000 RBX: ffff888016414040 RCX: 0000000000000000 [ 76.580271] RDX: ffff888015a7d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.581352] RBP: ffff888016414054 R08: 0000000000000001 R09: 0000000000000000 [ 76.582412] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.583477] R13: ffffffff84e23fe0 R14: ffff888016414048 R15: ffffffff84db0aa0 [ 76.584560] FS: 00005555573d9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.585777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.586639] CR2: 00007ff4bcb096f4 CR3: 000000000ebe4000 CR4: 0000000000350ee0 [ 76.587690] Call Trace: [ 76.588083] [ 76.588431] nf_ct_net_init+0x224/0x3d0 [ 76.589111] ? __pfx_nf_ct_net_init+0x10/0x10 [ 76.589826] ops_init+0xbb/0x6b0 [ 76.590348] setup_net+0x3d9/0x990 [ 76.590926] ? down_read_killable+0x1d7/0x4e0 [ 76.591646] ? __pfx_setup_net+0x10/0x10 [ 76.592239] ? copy_net_ns+0x17c/0x770 [ 76.592899] copy_net_ns+0x321/0x770 [ 76.593489] create_new_namespaces+0x3f6/0xb30 [ 76.594224] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.594978] ksys_unshare+0x44d/0x8e0 [ 76.595593] ? __pfx_ksys_unshare+0x10/0x10 [ 76.596226] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.597139] __x64_sys_unshare+0x31/0x40 [ 76.597792] do_syscall_64+0x3f/0x90 [ 76.598349] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.599151] RIP: 0033:0x7f97c85a70d7 [ 76.599744] 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 [ 76.602338] RSP: 002b:00007ffef1b2e228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.603469] RAX: ffffffffffffffda RBX: 00007ffef1b2e868 RCX: 00007f97c85a70d7 [ 76.604543] RDX: 00007f97c861141f RSI: 00007ffef1b2e1c0 RDI: 0000000040000000 [ 76.605628] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef1b2dfd0 [ 76.606677] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f97c86b9bf0 [ 76.607725] R13: 00007ffef1b2e300 R14: 0000000000000000 R15: 00000000000000f8 [ 76.608830] [ 76.609205] irq event stamp: 11197 [ 76.609758] hardirqs last enabled at (11209): [] __up_console_sem+0x78/0x80 [ 76.611027] hardirqs last disabled at (11220): [] __up_console_sem+0x5d/0x80 [ 76.612291] softirqs last enabled at (11182): [] irq_exit_rcu+0x93/0xc0 [ 76.613560] softirqs last disabled at (11173): [] irq_exit_rcu+0x93/0xc0 [ 76.614803] ---[ end trace 0000000000000000 ]--- [ 78.129202] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 80.176598] Bluetooth: hci0: command 0x041b tx timeout [ 82.224604] Bluetooth: hci0: command 0x040f tx timeout executing program [ 84.272590] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 21:56:47 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff813aac10 RCX=0000000000000001 RDX=1ffff11002ea3e66 RSI=ffffffff81865a7b RDI=ffff88801751f330 RBP=ffff88801751f3c8 RSP=ffff88801751f308 R8 =ffffffff86138eb6 R9 =ffffffff86138eba R10=0000000000038001 R11=ffff88801751f370 R12=ffff88801751f3f8 R13=0000000000000000 R14=ffff888018ddd1c0 R15=ffff88801751f330 RIP=ffffffff811302e0 RFL=00000216 [----AP-] 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 00007f39effff700 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=00007f7e8866a000 CR3=000000000ee34000 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=2030323a37353a31322037312079614d XMM01=5d3033323937342e36372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=4021725ab2462c24 RCX=0000000000000001 RDX=1ffff11002b4fb7a RSI=0000000000000000 RDI=ffff888015a7dbd0 RBP=0000000000000000 RSP=ffff88800fb1f628 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8779c9c7 R11=0000000000000001 R12=ffff888015a7dbd8 R13=ffff888015a7d1c0 R14=ffffffff85d36b6c R15=0000000000000000 RIP=ffffffff812d11ab RFL=00000012 [----A--] 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 00005555573d9400 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=00007ff4bcb096f4 CR3=000000000ebe4000 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