Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:31699' (ECDSA) to the list of known hosts. 2023/05/18 03:19:20 fuzzer started 2023/05/18 03:19:20 dialing manager at localhost:44319 2023/05/18 03:19:20 checking machine... 2023/05/18 03:19:20 checking revisions... syzkaller login: [ 39.709618] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:19:20 testing simple program... [ 39.774746] cgroup: Unknown subsys name 'net' [ 39.848500] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.937487] audit: type=1400 audit(1684379973.110:6): 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 [ 53.055674] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.058410] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.059563] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.063315] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.064859] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.066835] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.450681] ------------[ cut here ]------------ [ 53.451782] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.453693] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.454939] Modules linked in: [ 53.455435] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.460033] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.461034] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.461667] 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 [ 53.463775] RSP: 0018:ffff888019a8fc00 EFLAGS: 00010282 [ 53.464434] RAX: 0000000000000000 RBX: ffff88800e406840 RCX: 0000000000000000 [ 53.465305] RDX: ffff88801a148000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.466169] RBP: ffff88800e406854 R08: 0000000000000001 R09: 0000000000000000 [ 53.467037] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.467862] R13: ffffffff84e23fe0 R14: ffff88800e406848 R15: ffffffff84d74dc0 [ 53.468719] FS: 000055555580a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.469696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.470417] CR2: 0000563d48a27080 CR3: 000000001a142000 CR4: 0000000000350ee0 [ 53.471271] Call Trace: [ 53.471586] [ 53.471875] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.472499] ipv4_frags_init_net+0x269/0x440 [ 53.473075] ops_init+0xbb/0x6b0 [ 53.473515] setup_net+0x3d9/0x990 [ 53.474123] ? down_read_killable+0x1d7/0x4e0 [ 53.474695] ? __pfx_setup_net+0x10/0x10 [ 53.475241] ? copy_net_ns+0x17c/0x770 [ 53.475746] copy_net_ns+0x321/0x770 [ 53.476264] create_new_namespaces+0x3f6/0xb30 [ 53.476860] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.477519] ksys_unshare+0x44d/0x8e0 [ 53.478037] ? __pfx_ksys_unshare+0x10/0x10 [ 53.478587] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.479328] __x64_sys_unshare+0x31/0x40 [ 53.479864] do_syscall_64+0x3f/0x90 [ 53.480361] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.481045] RIP: 0033:0x7f4978df40d7 [ 53.481511] 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 [ 53.483703] RSP: 002b:00007ffc7b39e088 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.484648] RAX: ffffffffffffffda RBX: 00007ffc7b39e6c8 RCX: 00007f4978df40d7 [ 53.485541] RDX: 00007f4978e5e41f RSI: 00007ffc7b39e020 RDI: 0000000040000000 [ 53.486526] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7b39de30 [ 53.487374] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4978f06bf0 [ 53.488222] R13: 00007ffc7b39e160 R14: 0000000000000000 R15: 00000000000000f8 [ 53.489133] [ 53.489426] irq event stamp: 7673 [ 53.489835] hardirqs last enabled at (7683): [] __up_console_sem+0x78/0x80 [ 53.490855] hardirqs last disabled at (7694): [] __up_console_sem+0x5d/0x80 [ 53.491862] softirqs last enabled at (7622): [] irq_exit_rcu+0x93/0xc0 [ 53.492863] softirqs last disabled at (7617): [] irq_exit_rcu+0x93/0xc0 [ 53.493853] ---[ end trace 0000000000000000 ]--- [ 53.499522] ------------[ cut here ]------------ [ 53.500137] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.501753] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.502803] Modules linked in: [ 53.503236] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.504347] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.505349] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.506004] 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 [ 53.508105] RSP: 0018:ffff888019a8fc00 EFLAGS: 00010282 [ 53.508735] RAX: 0000000000000000 RBX: ffff88800ef80a40 RCX: 0000000000000000 [ 53.509608] RDX: ffff88801a148000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.510469] RBP: ffff88800ef80a54 R08: 0000000000000001 R09: 0000000000000000 [ 53.511335] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.512189] R13: ffffffff84e23fe0 R14: ffff88800ef80a48 R15: ffffffff84da7d60 [ 53.513079] FS: 000055555580a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.514053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.514747] CR2: 00007f0ced77f390 CR3: 000000001a142000 CR4: 0000000000350ef0 [ 53.515607] Call Trace: [ 53.515925] [ 53.516243] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.516842] ipv6_frags_init_net+0x206/0x3c0 [ 53.517437] ops_init+0xbb/0x6b0 [ 53.517874] setup_net+0x3d9/0x990 [ 53.518347] ? down_read_killable+0x1d7/0x4e0 [ 53.518900] ? __pfx_setup_net+0x10/0x10 [ 53.519421] ? copy_net_ns+0x17c/0x770 [ 53.519913] copy_net_ns+0x321/0x770 [ 53.520408] create_new_namespaces+0x3f6/0xb30 [ 53.521028] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.521626] ksys_unshare+0x44d/0x8e0 [ 53.522129] ? __pfx_ksys_unshare+0x10/0x10 [ 53.522702] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.523498] __x64_sys_unshare+0x31/0x40 [ 53.524063] do_syscall_64+0x3f/0x90 [ 53.524561] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.525296] RIP: 0033:0x7f4978df40d7 [ 53.525783] 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 [ 53.528121] RSP: 002b:00007ffc7b39e088 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.529144] RAX: ffffffffffffffda RBX: 00007ffc7b39e6c8 RCX: 00007f4978df40d7 [ 53.530093] RDX: 00007f4978e5e41f RSI: 00007ffc7b39e020 RDI: 0000000040000000 [ 53.531036] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7b39de30 [ 53.531943] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4978f06bf0 [ 53.532893] R13: 00007ffc7b39e160 R14: 0000000000000000 R15: 00000000000000f8 [ 53.533870] [ 53.534218] irq event stamp: 9415 [ 53.534668] hardirqs last enabled at (9425): [] __up_console_sem+0x78/0x80 [ 53.535806] hardirqs last disabled at (9436): [] __up_console_sem+0x5d/0x80 [ 53.536943] softirqs last enabled at (9300): [] irq_exit_rcu+0x93/0xc0 [ 53.537997] softirqs last disabled at (9295): [] irq_exit_rcu+0x93/0xc0 [ 53.539035] ---[ end trace 0000000000000000 ]--- [ 53.540337] ------------[ cut here ]------------ [ 53.540942] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.544150] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.545336] Modules linked in: [ 53.545753] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.547099] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.548217] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.548878] 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 [ 53.551186] RSP: 0018:ffff888019a8fbf0 EFLAGS: 00010286 [ 53.551841] RAX: 0000000000000000 RBX: ffff88800ef80240 RCX: 0000000000000000 [ 53.552885] RDX: ffff88801a148000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.553909] RBP: ffff88800ef80254 R08: 0000000000000001 R09: 0000000000000000 [ 53.554929] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.556132] R13: ffffffff84e23fe0 R14: ffff88800ef80248 R15: ffffffff84db0aa0 [ 53.557169] FS: 000055555580a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.558293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.559181] CR2: 00007f0ced77f390 CR3: 000000001a142000 CR4: 0000000000350ef0 [ 53.560243] Call Trace: [ 53.560575] [ 53.560882] nf_ct_net_init+0x224/0x3d0 [ 53.561530] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.562310] ops_init+0xbb/0x6b0 [ 53.562765] setup_net+0x3d9/0x990 [ 53.563423] ? down_read_killable+0x1d7/0x4e0 [ 53.564150] ? __pfx_setup_net+0x10/0x10 [ 53.564666] ? copy_net_ns+0x17c/0x770 [ 53.565376] copy_net_ns+0x321/0x770 [ 53.565867] create_new_namespaces+0x3f6/0xb30 [ 53.566646] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.567474] ksys_unshare+0x44d/0x8e0 [ 53.568116] ? __pfx_ksys_unshare+0x10/0x10 [ 53.568664] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.569545] __x64_sys_unshare+0x31/0x40 [ 53.570208] do_syscall_64+0x3f/0x90 [ 53.570692] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.571542] RIP: 0033:0x7f4978df40d7 [ 53.572138] 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 [ 53.574500] RSP: 002b:00007ffc7b39e088 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.575579] RAX: ffffffffffffffda RBX: 00007ffc7b39e6c8 RCX: 00007f4978df40d7 [ 53.576654] RDX: 00007f4978e5e41f RSI: 00007ffc7b39e020 RDI: 0000000040000000 [ 53.577684] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7b39de30 [ 53.578721] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4978f06bf0 [ 53.579744] R13: 00007ffc7b39e160 R14: 0000000000000000 R15: 00000000000000f8 [ 53.580744] [ 53.581128] irq event stamp: 13227 [ 53.581562] hardirqs last enabled at (13237): [] __up_console_sem+0x78/0x80 [ 53.582634] hardirqs last disabled at (13248): [] __up_console_sem+0x5d/0x80 [ 53.583705] softirqs last enabled at (13222): [] irq_exit_rcu+0x93/0xc0 [ 53.584749] softirqs last disabled at (13203): [] irq_exit_rcu+0x93/0xc0 [ 53.585816] ---[ end trace 0000000000000000 ]--- executing program [ 55.081629] Bluetooth: hci0: command 0x0409 tx timeout [ 57.129047] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.177042] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.225100] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 03:19:31 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff844f436b RDX=0000000000000000 RSI=0000000000000004 RDI=ffffffff87f2dbc0 RBP=ffffffff87f2dbc0 RSP=ffff88806ce09b40 R8 =0000000000000000 R9 =fffffbfff0fe5b78 R10=ffffffff87f2dbc3 R11=0000000000000001 R12=0000000000000003 R13=fffffbfff0fe5b78 R14=0000000000000001 R15=1ffff1100d9c136d RIP=ffffffff8180f406 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 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=00007f3170038048 CR3=0000000018f62000 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=2034333a39313a33302038312079614d XMM01=5d3533343535342e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019a8f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 000055555580a400 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=0000563d48a27080 CR3=000000001a142000 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