Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:1270' (ECDSA) to the list of known hosts. 2023/05/18 00:44:17 fuzzer started 2023/05/18 00:44:17 dialing manager at localhost:44319 2023/05/18 00:44:17 checking machine... 2023/05/18 00:44:17 checking revisions... syzkaller login: [ 37.689806] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:44:17 testing simple program... [ 37.752191] cgroup: Unknown subsys name 'net' [ 37.819559] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.167715] audit: type=1400 audit(1684370669.975:6): 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 [ 51.263579] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.265188] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.267953] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.270918] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.273062] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.274324] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.656855] ------------[ cut here ]------------ [ 51.657994] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.660229] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.661646] Modules linked in: [ 51.662225] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.664541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.667276] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.668231] 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 [ 51.671156] RSP: 0018:ffff88801a4dfc00 EFLAGS: 00010282 [ 51.672119] RAX: 0000000000000000 RBX: ffff88800e107840 RCX: 0000000000000000 [ 51.673325] RDX: ffff8880101451c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.674553] RBP: ffff88800e107854 R08: 0000000000000001 R09: 0000000000000000 [ 51.675808] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.677031] R13: ffffffff84e23fe0 R14: ffff88800e107848 R15: ffffffff84d74dc0 [ 51.678254] FS: 0000555556688400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.679648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.680662] CR2: 00007fddad61f6f4 CR3: 000000000d738000 CR4: 0000000000350ee0 [ 51.681874] Call Trace: [ 51.682313] [ 51.682765] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.683643] ipv4_frags_init_net+0x269/0x440 [ 51.684461] ops_init+0xbb/0x6b0 [ 51.685079] setup_net+0x3d9/0x990 [ 51.685769] ? down_read_killable+0x1d7/0x4e0 [ 51.686598] ? __pfx_setup_net+0x10/0x10 [ 51.687313] ? copy_net_ns+0x17c/0x770 [ 51.688100] copy_net_ns+0x321/0x770 [ 51.688819] create_new_namespaces+0x3f6/0xb30 [ 51.689674] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.690585] ksys_unshare+0x44d/0x8e0 [ 51.691265] ? __pfx_ksys_unshare+0x10/0x10 [ 51.692100] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.693132] __x64_sys_unshare+0x31/0x40 [ 51.693886] do_syscall_64+0x3f/0x90 [ 51.694592] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.695544] RIP: 0033:0x7f5215cee0d7 [ 51.696188] 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 [ 51.699148] RSP: 002b:00007ffcde8f3d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.700476] RAX: ffffffffffffffda RBX: 00007ffcde8f4368 RCX: 00007f5215cee0d7 [ 51.701593] RDX: 00007f5215d5841f RSI: 00007ffcde8f3cc0 RDI: 0000000040000000 [ 51.702685] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcde8f3ad0 [ 51.703828] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5215e00bf0 [ 51.704944] R13: 00007ffcde8f3e00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.706057] [ 51.706457] irq event stamp: 7989 [ 51.706978] hardirqs last enabled at (7999): [] __up_console_sem+0x78/0x80 [ 51.708316] hardirqs last disabled at (8010): [] __up_console_sem+0x5d/0x80 [ 51.709640] softirqs last enabled at (7458): [] irq_exit_rcu+0x93/0xc0 [ 51.710933] softirqs last disabled at (7377): [] irq_exit_rcu+0x93/0xc0 [ 51.712261] ---[ end trace 0000000000000000 ]--- [ 51.717795] ------------[ cut here ]------------ [ 51.718390] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.720176] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.721270] Modules linked in: [ 51.721721] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.722886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.723951] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.724651] 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 [ 51.726871] RSP: 0018:ffff88801a4dfc00 EFLAGS: 00010282 [ 51.727571] RAX: 0000000000000000 RBX: ffff88800d6e4c40 RCX: 0000000000000000 [ 51.728476] RDX: ffff8880101451c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.729334] RBP: ffff88800d6e4c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.730218] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.731114] R13: ffffffff84e23fe0 R14: ffff88800d6e4c48 R15: ffffffff84da7d60 [ 51.732037] FS: 0000555556688400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.733038] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.733788] CR2: 00007fddad61f6f4 CR3: 000000000d738000 CR4: 0000000000350ee0 [ 51.734683] Call Trace: [ 51.735009] [ 51.735310] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.735981] ipv6_frags_init_net+0x206/0x3c0 [ 51.736581] ops_init+0xbb/0x6b0 [ 51.737033] setup_net+0x3d9/0x990 [ 51.737520] ? down_read_killable+0x1d7/0x4e0 [ 51.738091] ? __pfx_setup_net+0x10/0x10 [ 51.738640] ? copy_net_ns+0x17c/0x770 [ 51.739155] copy_net_ns+0x321/0x770 [ 51.739683] create_new_namespaces+0x3f6/0xb30 [ 51.740273] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.740918] ksys_unshare+0x44d/0x8e0 [ 51.741438] ? __pfx_ksys_unshare+0x10/0x10 [ 51.742002] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.742752] __x64_sys_unshare+0x31/0x40 [ 51.743271] do_syscall_64+0x3f/0x90 [ 51.743809] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.744487] RIP: 0033:0x7f5215cee0d7 [ 51.744957] 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 [ 51.747124] RSP: 002b:00007ffcde8f3d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.748092] RAX: ffffffffffffffda RBX: 00007ffcde8f4368 RCX: 00007f5215cee0d7 [ 51.748981] RDX: 00007f5215d5841f RSI: 00007ffcde8f3cc0 RDI: 0000000040000000 [ 51.749890] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcde8f3ad0 [ 51.750790] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5215e00bf0 [ 51.751696] R13: 00007ffcde8f3e00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.752605] [ 51.752906] irq event stamp: 9925 [ 51.753325] hardirqs last enabled at (9935): [] __up_console_sem+0x78/0x80 [ 51.754383] hardirqs last disabled at (9946): [] __up_console_sem+0x5d/0x80 [ 51.755450] softirqs last enabled at (9420): [] irq_exit_rcu+0x93/0xc0 [ 51.756508] softirqs last disabled at (9377): [] irq_exit_rcu+0x93/0xc0 [ 51.757535] ---[ end trace 0000000000000000 ]--- [ 51.758896] ------------[ cut here ]------------ [ 51.759537] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.761396] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.762479] Modules linked in: [ 51.762885] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.764053] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.765066] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.765770] 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 [ 51.768004] RSP: 0018:ffff88801a4dfbf0 EFLAGS: 00010286 [ 51.768709] RAX: 0000000000000000 RBX: ffff88800d6e4240 RCX: 0000000000000000 [ 51.769610] RDX: ffff8880101451c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.770520] RBP: ffff88800d6e4254 R08: 0000000000000001 R09: 0000000000000000 [ 51.771388] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.772303] R13: ffffffff84e23fe0 R14: ffff88800d6e4248 R15: ffffffff84db0aa0 [ 51.773199] FS: 0000555556688400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.774204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.774958] CR2: 00007fddad61f6f4 CR3: 000000000d738000 CR4: 0000000000350ee0 [ 51.775874] Call Trace: [ 51.776200] [ 51.776531] nf_ct_net_init+0x224/0x3d0 [ 51.777049] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.777659] ops_init+0xbb/0x6b0 [ 51.778106] setup_net+0x3d9/0x990 [ 51.778599] ? down_read_killable+0x1d7/0x4e0 [ 51.779181] ? __pfx_setup_net+0x10/0x10 [ 51.779741] ? copy_net_ns+0x17c/0x770 [ 51.780259] copy_net_ns+0x321/0x770 [ 51.780780] create_new_namespaces+0x3f6/0xb30 [ 51.781371] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.782030] ksys_unshare+0x44d/0x8e0 [ 51.782559] ? __pfx_ksys_unshare+0x10/0x10 [ 51.783108] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.783875] __x64_sys_unshare+0x31/0x40 [ 51.784434] do_syscall_64+0x3f/0x90 [ 51.784914] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.785599] RIP: 0033:0x7f5215cee0d7 [ 51.786066] 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 [ 51.788267] RSP: 002b:00007ffcde8f3d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.789210] RAX: ffffffffffffffda RBX: 00007ffcde8f4368 RCX: 00007f5215cee0d7 [ 51.790105] RDX: 00007f5215d5841f RSI: 00007ffcde8f3cc0 RDI: 0000000040000000 [ 51.791008] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcde8f3ad0 [ 51.791916] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5215e00bf0 [ 51.792819] R13: 00007ffcde8f3e00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.793738] [ 51.794040] irq event stamp: 10725 [ 51.794508] hardirqs last enabled at (10737): [] __up_console_sem+0x78/0x80 [ 51.795572] hardirqs last disabled at (10748): [] __up_console_sem+0x5d/0x80 [ 51.796653] softirqs last enabled at (10398): [] irq_exit_rcu+0x93/0xc0 [ 51.797691] softirqs last disabled at (10393): [] irq_exit_rcu+0x93/0xc0 [ 51.798730] ---[ end trace 0000000000000000 ]--- executing program [ 53.352169] Bluetooth: hci0: command 0x0409 tx timeout [ 55.399475] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.447493] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.495515] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:44:28 Registers: info registers vcpu 0 RAX=0000000000000014 RBX=0000000000000004 RCX=ffffffff812cc7ef RDX=1ffffffff0ef811e RSI=0000000000000008 RDI=ffffffff877c08f0 RBP=ffff888019c4d1c0 RSP=ffff888016d073e8 R8 =0000000000000000 R9 =fffffbfff0ef3943 R10=ffffffff8779ca1f R11=0000000000000001 R12=0000000000000006 R13=dffffc0000000000 R14=ffff888019c4dbb0 R15=0000000000000000 RIP=ffffffff812cf69e 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 00007f1ffa131700 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=00007f226643e1d8 CR3=000000000e6a6000 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=2031333a34343a30302038312079614d XMM01=5d3532323236362e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000010002 RBX=0000000000000000 RCX=ffffffff815d8026 RDX=ffff8880101451c0 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88806cf34b20 RSP=ffff88806cf09d60 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff88806cf396c0 R13=ffff8880101451c0 R14=0000000000000001 R15=ffff88806cf396d8 RIP=ffffffff814be64b 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 0000555556688400 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=00007fddad61f6f4 CR3=000000000d738000 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