Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:8073' (ECDSA) to the list of known hosts. 2023/05/17 13:09:10 fuzzer started 2023/05/17 13:09:10 dialing manager at localhost:44319 2023/05/17 13:09:10 checking machine... 2023/05/17 13:09:10 checking revisions... syzkaller login: [ 143.606306] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:09:11 testing simple program... [ 143.676718] cgroup: Unknown subsys name 'net' [ 143.778306] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 155.871012] audit: type=1400 audit(1684328963.337:6): 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 [ 157.041511] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 157.044687] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 157.046507] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 157.049481] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 157.051473] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 157.052732] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 157.445587] ------------[ cut here ]------------ [ 157.446360] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 157.448414] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 157.449711] Modules linked in: [ 157.450156] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 157.454060] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 157.456139] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 157.456814] 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 [ 157.459003] RSP: 0018:ffff88800d9e7c00 EFLAGS: 00010282 [ 157.459664] RAX: 0000000000000000 RBX: ffff88800e6ba040 RCX: 0000000000000000 [ 157.460557] RDX: ffff888016a51b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 157.461450] RBP: ffff88800e6ba054 R08: 0000000000000001 R09: 0000000000000000 [ 157.462334] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 157.463226] R13: ffffffff84e23fe0 R14: ffff88800e6ba048 R15: ffffffff84d74dc0 [ 157.464117] FS: 0000555556bee400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 157.465125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.465864] CR2: 00007f3f429346f4 CR3: 000000000cbcc000 CR4: 0000000000350ef0 [ 157.466716] Call Trace: [ 157.467060] [ 157.467360] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 157.468004] ipv4_frags_init_net+0x269/0x440 [ 157.468566] ops_init+0xbb/0x6b0 [ 157.469060] setup_net+0x3d9/0x990 [ 157.469509] ? down_read_killable+0x1d7/0x4e0 [ 157.470098] ? __pfx_setup_net+0x10/0x10 [ 157.470614] ? copy_net_ns+0x17c/0x770 [ 157.471159] copy_net_ns+0x321/0x770 [ 157.471642] create_new_namespaces+0x3f6/0xb30 [ 157.472264] unshare_nsproxy_namespaces+0xc1/0x200 [ 157.472920] ksys_unshare+0x44d/0x8e0 [ 157.473416] ? __pfx_ksys_unshare+0x10/0x10 [ 157.473986] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 157.474700] __x64_sys_unshare+0x31/0x40 [ 157.475255] do_syscall_64+0x3f/0x90 [ 157.475737] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 157.476392] RIP: 0033:0x7f4dd65120d7 [ 157.476901] 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 [ 157.479068] RSP: 002b:00007ffe665da3a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 157.480026] RAX: ffffffffffffffda RBX: 00007ffe665da9e8 RCX: 00007f4dd65120d7 [ 157.480928] RDX: 00007f4dd657c41f RSI: 00007ffe665da340 RDI: 0000000040000000 [ 157.481785] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe665da150 [ 157.482685] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4dd6624bf0 [ 157.483582] R13: 00007ffe665da480 R14: 0000000000000000 R15: 00000000000000f8 [ 157.484509] [ 157.484845] irq event stamp: 9771 [ 157.485274] hardirqs last enabled at (9781): [] __up_console_sem+0x78/0x80 [ 157.486342] hardirqs last disabled at (9792): [] __up_console_sem+0x5d/0x80 [ 157.487414] softirqs last enabled at (9632): [] irq_exit_rcu+0x93/0xc0 [ 157.488459] softirqs last disabled at (9627): [] irq_exit_rcu+0x93/0xc0 [ 157.489522] ---[ end trace 0000000000000000 ]--- [ 157.494577] ------------[ cut here ]------------ [ 157.495195] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 157.496860] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 157.497914] Modules linked in: [ 157.498306] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 157.499479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 157.500491] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 157.501189] 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 [ 157.503404] RSP: 0018:ffff88800d9e7c00 EFLAGS: 00010282 [ 157.504090] RAX: 0000000000000000 RBX: ffff88800ecec640 RCX: 0000000000000000 [ 157.504982] RDX: ffff888016a51b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 157.505878] RBP: ffff88800ecec654 R08: 0000000000000001 R09: 0000000000000000 [ 157.506738] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 157.507624] R13: ffffffff84e23fe0 R14: ffff88800ecec648 R15: ffffffff84da7d60 [ 157.508510] FS: 0000555556bee400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 157.509524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.510266] CR2: 00007f3f429346f4 CR3: 000000000cbcc000 CR4: 0000000000350ef0 [ 157.511166] Call Trace: [ 157.511503] [ 157.511803] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 157.512449] ipv6_frags_init_net+0x206/0x3c0 [ 157.513050] ops_init+0xbb/0x6b0 [ 157.513503] setup_net+0x3d9/0x990 [ 157.514040] ? down_read_killable+0x1d7/0x4e0 [ 157.514615] ? __pfx_setup_net+0x10/0x10 [ 157.515172] ? copy_net_ns+0x17c/0x770 [ 157.515679] copy_net_ns+0x321/0x770 [ 157.516188] create_new_namespaces+0x3f6/0xb30 [ 157.516789] unshare_nsproxy_namespaces+0xc1/0x200 [ 157.517434] ksys_unshare+0x44d/0x8e0 [ 157.517956] ? __pfx_ksys_unshare+0x10/0x10 [ 157.518506] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 157.519243] __x64_sys_unshare+0x31/0x40 [ 157.519760] do_syscall_64+0x3f/0x90 [ 157.520265] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 157.520944] RIP: 0033:0x7f4dd65120d7 [ 157.521409] 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 [ 157.523620] RSP: 002b:00007ffe665da3a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 157.524581] RAX: ffffffffffffffda RBX: 00007ffe665da9e8 RCX: 00007f4dd65120d7 [ 157.525494] RDX: 00007f4dd657c41f RSI: 00007ffe665da340 RDI: 0000000040000000 [ 157.526390] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe665da150 [ 157.527274] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4dd6624bf0 [ 157.528189] R13: 00007ffe665da480 R14: 0000000000000000 R15: 00000000000000f8 [ 157.529098] [ 157.529398] irq event stamp: 11467 [ 157.529859] hardirqs last enabled at (11479): [] __up_console_sem+0x78/0x80 [ 157.530916] hardirqs last disabled at (11490): [] __up_console_sem+0x5d/0x80 [ 157.531975] softirqs last enabled at (11218): [] irq_exit_rcu+0x93/0xc0 [ 157.533037] softirqs last disabled at (11207): [] irq_exit_rcu+0x93/0xc0 [ 157.534217] ---[ end trace 0000000000000000 ]--- [ 157.535618] ------------[ cut here ]------------ [ 157.536232] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 157.538366] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 157.539415] Modules linked in: [ 157.539855] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 157.541005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 157.542024] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 157.542662] 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 [ 157.544845] RSP: 0018:ffff88800d9e7bf0 EFLAGS: 00010286 [ 157.545495] RAX: 0000000000000000 RBX: ffff88800ecede40 RCX: 0000000000000000 [ 157.546379] RDX: ffff888016a51b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 157.547272] RBP: ffff88800ecede54 R08: 0000000000000001 R09: 0000000000000000 [ 157.548178] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 157.549082] R13: ffffffff84e23fe0 R14: ffff88800ecede48 R15: ffffffff84db0aa0 [ 157.549990] FS: 0000555556bee400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 157.550987] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 157.551703] CR2: 00007f3f429346f4 CR3: 000000000cbcc000 CR4: 0000000000350ef0 [ 157.552605] Call Trace: [ 157.552993] [ 157.553295] nf_ct_net_init+0x224/0x3d0 [ 157.553848] ? __pfx_nf_ct_net_init+0x10/0x10 [ 157.554424] ops_init+0xbb/0x6b0 [ 157.554914] setup_net+0x3d9/0x990 [ 157.555375] ? down_read_killable+0x1d7/0x4e0 [ 157.555982] ? __pfx_setup_net+0x10/0x10 [ 157.556497] ? copy_net_ns+0x17c/0x770 [ 157.557044] copy_net_ns+0x321/0x770 [ 157.557521] create_new_namespaces+0x3f6/0xb30 [ 157.558130] unshare_nsproxy_namespaces+0xc1/0x200 [ 157.558736] ksys_unshare+0x44d/0x8e0 [ 157.559256] ? __pfx_ksys_unshare+0x10/0x10 [ 157.559806] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 157.560550] __x64_sys_unshare+0x31/0x40 [ 157.561126] do_syscall_64+0x3f/0x90 [ 157.561604] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 157.562291] RIP: 0033:0x7f4dd65120d7 [ 157.562762] 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 [ 157.564944] RSP: 002b:00007ffe665da3a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 157.565884] RAX: ffffffffffffffda RBX: 00007ffe665da9e8 RCX: 00007f4dd65120d7 [ 157.566747] RDX: 00007f4dd657c41f RSI: 00007ffe665da340 RDI: 0000000040000000 [ 157.567653] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe665da150 [ 157.568547] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4dd6624bf0 [ 157.569452] R13: 00007ffe665da480 R14: 0000000000000000 R15: 00000000000000f8 [ 157.570374] [ 157.570675] irq event stamp: 12209 [ 157.571141] hardirqs last enabled at (12221): [] __up_console_sem+0x78/0x80 [ 157.572208] hardirqs last disabled at (12232): [] __up_console_sem+0x5d/0x80 [ 157.573284] softirqs last enabled at (11712): [] irq_exit_rcu+0x93/0xc0 [ 157.574313] softirqs last disabled at (11707): [] irq_exit_rcu+0x93/0xc0 [ 157.575355] ---[ end trace 0000000000000000 ]--- executing program [ 159.123454] Bluetooth: hci0: command 0x0409 tx timeout [ 161.171781] Bluetooth: hci0: command 0x041b tx timeout executing program [ 163.217967] Bluetooth: hci0: command 0x040f tx timeout executing program [ 165.266011] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:07:37 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800d9e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555556bee400 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=00007f3f429346f4 CR3=000000000cbcc000 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=000000000001fb0b RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007fbe8f786f48 CR3=000000000e8ce000 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=328a81b7269510b6054045e2b7b5cf78 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=63908a8eb8756ea6000000000014c968 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=a38663e3aa2c08a300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000