Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:32613' (ECDSA) to the list of known hosts. 2023/05/17 08:27:13 fuzzer started 2023/05/17 08:27:13 dialing manager at localhost:35573 2023/05/17 08:27:13 checking machine... 2023/05/17 08:27:13 checking revisions... syzkaller login: [ 40.984595] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:27:14 testing simple program... [ 41.053684] cgroup: Unknown subsys name 'net' [ 41.141543] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.723111] audit: type=1400 audit(1684312047.873:6): avc: denied { execmem } for pid=265 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 [ 55.866156] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.867942] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.870241] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.873017] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.875696] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.877059] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.302436] ------------[ cut here ]------------ [ 56.303655] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.305686] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.306963] Modules linked in: [ 56.307473] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.312838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.313841] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.314551] 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 [ 56.316693] RSP: 0018:ffff888019d4fc00 EFLAGS: 00010282 [ 56.317382] RAX: 0000000000000000 RBX: ffff88800df21440 RCX: 0000000000000000 [ 56.318267] RDX: ffff888016f70000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.319115] RBP: ffff88800df21454 R08: 0000000000000001 R09: 0000000000000000 [ 56.319980] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.320859] R13: ffffffff84e223a0 R14: ffff88800df21448 R15: ffffffff84d73340 [ 56.321744] FS: 0000555556cfd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.322749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.323482] CR2: 00007f83161866f4 CR3: 0000000015806000 CR4: 0000000000350ee0 [ 56.324364] Call Trace: [ 56.324687] [ 56.324980] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.325611] ipv4_frags_init_net+0x269/0x440 [ 56.326169] ops_init+0xbb/0x6b0 [ 56.326667] setup_net+0x3d9/0x990 [ 56.327113] ? down_read_killable+0x1d7/0x4e0 [ 56.327705] ? __pfx_setup_net+0x10/0x10 [ 56.328238] ? copy_net_ns+0x17c/0x770 [ 56.328742] copy_net_ns+0x321/0x770 [ 56.329249] create_new_namespaces+0x3f6/0xb30 [ 56.329832] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.330477] ksys_unshare+0x44d/0x8e0 [ 56.330960] ? __pfx_ksys_unshare+0x10/0x10 [ 56.331531] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.332260] __x64_sys_unshare+0x31/0x40 [ 56.332772] do_syscall_64+0x3f/0x90 [ 56.333269] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.333904] RIP: 0033:0x7f47eea600d7 [ 56.334394] 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 [ 56.336548] RSP: 002b:00007ffe6eb18518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.337490] RAX: ffffffffffffffda RBX: 00007ffe6eb18b58 RCX: 00007f47eea600d7 [ 56.338368] RDX: 00007f47eeaca41f RSI: 00007ffe6eb184b0 RDI: 0000000040000000 [ 56.339255] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6eb182c0 [ 56.340095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f47eeb72bf0 [ 56.340974] R13: 00007ffe6eb185f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.341867] [ 56.342164] irq event stamp: 8659 [ 56.342613] hardirqs last enabled at (8671): [] __up_console_sem+0x78/0x80 [ 56.343658] hardirqs last disabled at (8682): [] __up_console_sem+0x5d/0x80 [ 56.344691] softirqs last enabled at (8142): [] irq_exit_rcu+0x93/0xc0 [ 56.345703] softirqs last disabled at (7957): [] irq_exit_rcu+0x93/0xc0 [ 56.346732] ---[ end trace 0000000000000000 ]--- [ 56.352485] ------------[ cut here ]------------ [ 56.353153] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.355128] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.356353] Modules linked in: [ 56.356816] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.358122] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.359283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.360015] 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 [ 56.362479] RSP: 0018:ffff888019d4fc00 EFLAGS: 00010282 [ 56.363255] RAX: 0000000000000000 RBX: ffff88800e81f040 RCX: 0000000000000000 [ 56.364272] RDX: ffff888016f70000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.365278] RBP: ffff88800e81f054 R08: 0000000000000001 R09: 0000000000000000 [ 56.366298] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.367335] R13: ffffffff84e223a0 R14: ffff88800e81f048 R15: ffffffff84da62e0 [ 56.368351] FS: 0000555556cfd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.369482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.370328] CR2: 00007f83161866f4 CR3: 0000000015806000 CR4: 0000000000350ee0 [ 56.371368] Call Trace: [ 56.371744] [ 56.372084] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.372825] ipv6_frags_init_net+0x206/0x3c0 [ 56.373505] ops_init+0xbb/0x6b0 [ 56.374012] setup_net+0x3d9/0x990 [ 56.374587] ? down_read_killable+0x1d7/0x4e0 [ 56.375272] ? __pfx_setup_net+0x10/0x10 [ 56.375853] ? copy_net_ns+0x17c/0x770 [ 56.376470] copy_net_ns+0x321/0x770 [ 56.377031] create_new_namespaces+0x3f6/0xb30 [ 56.377732] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.378501] ksys_unshare+0x44d/0x8e0 [ 56.379064] ? __pfx_ksys_unshare+0x10/0x10 [ 56.379734] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.380588] __x64_sys_unshare+0x31/0x40 [ 56.381184] do_syscall_64+0x3f/0x90 [ 56.381767] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.382544] RIP: 0033:0x7f47eea600d7 [ 56.383078] 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 [ 56.385637] RSP: 002b:00007ffe6eb18518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.386748] RAX: ffffffffffffffda RBX: 00007ffe6eb18b58 RCX: 00007f47eea600d7 [ 56.387778] RDX: 00007f47eeaca41f RSI: 00007ffe6eb184b0 RDI: 0000000040000000 [ 56.388799] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6eb182c0 [ 56.389830] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f47eeb72bf0 [ 56.390889] R13: 00007ffe6eb185f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.391935] [ 56.392315] irq event stamp: 10541 [ 56.392822] hardirqs last enabled at (10551): [] __up_console_sem+0x78/0x80 [ 56.394062] hardirqs last disabled at (10562): [] __up_console_sem+0x5d/0x80 [ 56.395338] softirqs last enabled at (10032): [] irq_exit_rcu+0x93/0xc0 [ 56.396569] softirqs last disabled at (10009): [] irq_exit_rcu+0x93/0xc0 [ 56.397808] ---[ end trace 0000000000000000 ]--- [ 56.399435] ------------[ cut here ]------------ [ 56.400104] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.402312] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.403547] Modules linked in: [ 56.404017] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.405354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.406536] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.407311] 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 [ 56.409821] RSP: 0018:ffff888019d4fbf0 EFLAGS: 00010286 [ 56.410631] RAX: 0000000000000000 RBX: ffff88800e81f640 RCX: 0000000000000000 [ 56.411665] RDX: ffff888016f70000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.412715] RBP: ffff88800e81f654 R08: 0000000000000001 R09: 0000000000000000 [ 56.413750] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.414808] R13: ffffffff84e223a0 R14: ffff88800e81f648 R15: ffffffff84daf020 [ 56.415840] FS: 0000555556cfd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.416992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.417843] CR2: 00007f83161866f4 CR3: 0000000015806000 CR4: 0000000000350ee0 [ 56.418889] Call Trace: [ 56.419302] [ 56.419649] nf_ct_net_init+0x224/0x3d0 [ 56.420277] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.420939] ops_init+0xbb/0x6b0 [ 56.421491] setup_net+0x3d9/0x990 [ 56.422026] ? down_read_killable+0x1d7/0x4e0 [ 56.422736] ? __pfx_setup_net+0x10/0x10 [ 56.423364] ? copy_net_ns+0x17c/0x770 [ 56.423952] copy_net_ns+0x321/0x770 [ 56.424552] create_new_namespaces+0x3f6/0xb30 [ 56.425266] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.425923] ksys_unshare+0x44d/0x8e0 [ 56.426463] ? __pfx_ksys_unshare+0x10/0x10 [ 56.427008] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.427761] __x64_sys_unshare+0x31/0x40 [ 56.428306] do_syscall_64+0x3f/0x90 [ 56.428793] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.429460] RIP: 0033:0x7f47eea600d7 [ 56.429929] 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 [ 56.432140] RSP: 002b:00007ffe6eb18518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.433087] RAX: ffffffffffffffda RBX: 00007ffe6eb18b58 RCX: 00007f47eea600d7 [ 56.433979] RDX: 00007f47eeaca41f RSI: 00007ffe6eb184b0 RDI: 0000000040000000 [ 56.434875] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6eb182c0 [ 56.435770] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f47eeb72bf0 [ 56.436660] R13: 00007ffe6eb185f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.437587] [ 56.437889] irq event stamp: 11347 [ 56.438348] hardirqs last enabled at (11359): [] __up_console_sem+0x78/0x80 [ 56.439424] hardirqs last disabled at (11370): [] __up_console_sem+0x5d/0x80 [ 56.440492] softirqs last enabled at (10958): [] irq_exit_rcu+0x93/0xc0 [ 56.441534] softirqs last disabled at (10953): [] irq_exit_rcu+0x93/0xc0 [ 56.442581] ---[ end trace 0000000000000000 ]--- [ 57.946953] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.994264] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.043278] Bluetooth: hci0: command 0x040f tx timeout [ 64.090431] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:27:25 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888008da7c98 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff888008da7cc0 RBP=ffff888008da7c60 RSP=ffff888008da7ba8 R8 =0000000000000001 R9 =0000000000000000 R10=ffffffff85d34a17 R11=0000000000000001 R12=ffff888008da7cc0 R13=0000000000000000 R14=0000000000000200 R15=0000000000000200 RIP=ffffffff812d862e RFL=00000046 [---Z-P-] 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=00007f71d57f6730 CR3=000000000fd4c000 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=2039323a37323a38302037312079614d XMM01=5d3337343730332e36352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019d4f5f0 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 0000555556cfd400 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=00007f83161866f4 CR3=0000000015806000 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