Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:30661' (ECDSA) to the list of known hosts. 2023/05/17 22:30:46 fuzzer started 2023/05/17 22:30:47 dialing manager at localhost:44319 2023/05/17 22:30:47 checking machine... 2023/05/17 22:30:47 checking revisions... syzkaller login: [ 40.770856] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:30:47 testing simple program... [ 40.869803] cgroup: Unknown subsys name 'net' [ 40.974069] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.774409] audit: type=1400 audit(1684362660.179:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 54.895312] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.896924] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.899715] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.912935] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.921449] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.922920] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.303155] ------------[ cut here ]------------ [ 55.303769] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.305698] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.306867] Modules linked in: [ 55.307423] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.312378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.313526] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.314238] 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 [ 55.316439] RSP: 0018:ffff88801fc57c00 EFLAGS: 00010282 [ 55.317134] RAX: 0000000000000000 RBX: ffff88800e79bc40 RCX: 0000000000000000 [ 55.317992] RDX: ffff888015b5d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.318902] RBP: ffff88800e79bc54 R08: 0000000000000001 R09: 0000000000000000 [ 55.319798] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.320710] R13: ffffffff84e23fe0 R14: ffff88800e79bc48 R15: ffffffff84d74dc0 [ 55.321617] FS: 0000555555a42400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.322627] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.323364] CR2: 00007fd4d3a606f4 CR3: 000000000e958000 CR4: 0000000000350ef0 [ 55.324292] Call Trace: [ 55.324623] [ 55.324917] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.325563] ipv4_frags_init_net+0x269/0x440 [ 55.326154] ops_init+0xbb/0x6b0 [ 55.326602] setup_net+0x3d9/0x990 [ 55.327055] ? down_read_killable+0x1d7/0x4e0 [ 55.327662] ? __pfx_setup_net+0x10/0x10 [ 55.328216] ? copy_net_ns+0x17c/0x770 [ 55.328726] copy_net_ns+0x321/0x770 [ 55.329248] create_new_namespaces+0x3f6/0xb30 [ 55.329834] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.330481] ksys_unshare+0x44d/0x8e0 [ 55.330972] ? __pfx_ksys_unshare+0x10/0x10 [ 55.331552] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.332309] __x64_sys_unshare+0x31/0x40 [ 55.332823] do_syscall_64+0x3f/0x90 [ 55.333333] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.333981] RIP: 0033:0x7f8e256da0d7 [ 55.334483] 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 [ 55.336664] RSP: 002b:00007ffc13d7f658 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.337609] RAX: ffffffffffffffda RBX: 00007ffc13d7fc98 RCX: 00007f8e256da0d7 [ 55.338503] RDX: 00007f8e2574441f RSI: 00007ffc13d7f5f0 RDI: 0000000040000000 [ 55.339388] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc13d7f400 [ 55.340288] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8e257ecbf0 [ 55.341186] R13: 00007ffc13d7f730 R14: 0000000000000000 R15: 00000000000000f8 [ 55.342070] [ 55.342407] irq event stamp: 8041 [ 55.342832] hardirqs last enabled at (8051): [] __up_console_sem+0x78/0x80 [ 55.343900] hardirqs last disabled at (8062): [] __up_console_sem+0x5d/0x80 [ 55.344975] softirqs last enabled at (7602): [] irq_exit_rcu+0x93/0xc0 [ 55.346007] softirqs last disabled at (7585): [] irq_exit_rcu+0x93/0xc0 [ 55.347038] ---[ end trace 0000000000000000 ]--- [ 55.353377] ------------[ cut here ]------------ [ 55.353969] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.355615] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.356712] Modules linked in: [ 55.357160] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.358323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.359351] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.359994] 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 [ 55.362187] RSP: 0018:ffff88801fc57c00 EFLAGS: 00010282 [ 55.362837] RAX: 0000000000000000 RBX: ffff88800c598440 RCX: 0000000000000000 [ 55.363734] RDX: ffff888015b5d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.364633] RBP: ffff88800c598454 R08: 0000000000000001 R09: 0000000000000000 [ 55.365535] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.366428] R13: ffffffff84e23fe0 R14: ffff88800c598448 R15: ffffffff84da7d60 [ 55.367330] FS: 0000555555a42400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.368366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.369119] CR2: 00007fd4d3a606f4 CR3: 000000000e958000 CR4: 0000000000350ef0 [ 55.369979] Call Trace: [ 55.370339] [ 55.370638] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.371289] ipv6_frags_init_net+0x206/0x3c0 [ 55.371849] ops_init+0xbb/0x6b0 [ 55.372340] setup_net+0x3d9/0x990 [ 55.372801] ? down_read_killable+0x1d7/0x4e0 [ 55.373403] ? __pfx_setup_net+0x10/0x10 [ 55.373908] ? copy_net_ns+0x17c/0x770 [ 55.374446] copy_net_ns+0x321/0x770 [ 55.374929] create_new_namespaces+0x3f6/0xb30 [ 55.375549] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.376221] ksys_unshare+0x44d/0x8e0 [ 55.376719] ? __pfx_ksys_unshare+0x10/0x10 [ 55.377296] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.378012] __x64_sys_unshare+0x31/0x40 [ 55.378564] do_syscall_64+0x3f/0x90 [ 55.379041] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.379715] RIP: 0033:0x7f8e256da0d7 [ 55.380217] 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 [ 55.382401] RSP: 002b:00007ffc13d7f658 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.383363] RAX: ffffffffffffffda RBX: 00007ffc13d7fc98 RCX: 00007f8e256da0d7 [ 55.384276] RDX: 00007f8e2574441f RSI: 00007ffc13d7f5f0 RDI: 0000000040000000 [ 55.385165] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc13d7f400 [ 55.386030] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8e257ecbf0 [ 55.386925] R13: 00007ffc13d7f730 R14: 0000000000000000 R15: 00000000000000f8 [ 55.387838] [ 55.388192] irq event stamp: 9913 [ 55.388623] hardirqs last enabled at (9923): [] __up_console_sem+0x78/0x80 [ 55.389694] hardirqs last disabled at (9934): [] __up_console_sem+0x5d/0x80 [ 55.390752] softirqs last enabled at (9440): [] irq_exit_rcu+0x93/0xc0 [ 55.391783] softirqs last disabled at (9435): [] irq_exit_rcu+0x93/0xc0 [ 55.392819] ---[ end trace 0000000000000000 ]--- [ 55.394188] ------------[ cut here ]------------ [ 55.394762] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.396652] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.397727] Modules linked in: [ 55.398170] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.399317] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.400357] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.400996] 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 [ 55.403175] RSP: 0018:ffff88801fc57bf0 EFLAGS: 00010286 [ 55.403831] RAX: 0000000000000000 RBX: ffff88800c598e40 RCX: 0000000000000000 [ 55.404738] RDX: ffff888015b5d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.405620] RBP: ffff88800c598e54 R08: 0000000000000001 R09: 0000000000000000 [ 55.406512] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.407401] R13: ffffffff84e23fe0 R14: ffff88800c598e48 R15: ffffffff84db0aa0 [ 55.408313] FS: 0000555555a42400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.409311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.410023] CR2: 00007fd4d3a606f4 CR3: 000000000e958000 CR4: 0000000000350ef0 [ 55.410921] Call Trace: [ 55.411280] [ 55.411582] nf_ct_net_init+0x224/0x3d0 [ 55.412134] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.412741] ops_init+0xbb/0x6b0 [ 55.413234] setup_net+0x3d9/0x990 [ 55.413693] ? down_read_killable+0x1d7/0x4e0 [ 55.414295] ? __pfx_setup_net+0x10/0x10 [ 55.414805] ? copy_net_ns+0x17c/0x770 [ 55.415343] copy_net_ns+0x321/0x770 [ 55.415833] create_new_namespaces+0x3f6/0xb30 [ 55.416463] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.417120] ksys_unshare+0x44d/0x8e0 [ 55.417612] ? __pfx_ksys_unshare+0x10/0x10 [ 55.418187] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.418906] __x64_sys_unshare+0x31/0x40 [ 55.419464] do_syscall_64+0x3f/0x90 [ 55.419942] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.420634] RIP: 0033:0x7f8e256da0d7 [ 55.421134] 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 [ 55.423305] RSP: 002b:00007ffc13d7f658 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.424287] RAX: ffffffffffffffda RBX: 00007ffc13d7fc98 RCX: 00007f8e256da0d7 [ 55.425179] RDX: 00007f8e2574441f RSI: 00007ffc13d7f5f0 RDI: 0000000040000000 [ 55.426032] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc13d7f400 [ 55.426919] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8e257ecbf0 [ 55.427801] R13: 00007ffc13d7f730 R14: 0000000000000000 R15: 00000000000000f8 [ 55.428715] [ 55.429015] irq event stamp: 10673 [ 55.429484] hardirqs last enabled at (10685): [] __up_console_sem+0x78/0x80 [ 55.430550] hardirqs last disabled at (10696): [] __up_console_sem+0x5d/0x80 [ 55.431632] softirqs last enabled at (10558): [] irq_exit_rcu+0x93/0xc0 [ 55.432686] softirqs last disabled at (10553): [] irq_exit_rcu+0x93/0xc0 [ 55.433739] ---[ end trace 0000000000000000 ]--- executing program [ 56.978786] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.026174] Bluetooth: hci0: command 0x041b tx timeout [ 61.074159] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.122148] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:30:57 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fc575f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555a42400 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=00007fd4d3a606f4 CR3=000000000e958000 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=000000000001fd37 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=00007fc32d9e7ff0 CR3=000000000c51a000 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=2031303a31333a32322037312079614d XMM01=5d3332343730332e35352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000