Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:3835' (ECDSA) to the list of known hosts. 2023/05/18 02:37:25 fuzzer started 2023/05/18 02:37:25 dialing manager at localhost:44319 2023/05/18 02:37:25 checking machine... 2023/05/18 02:37:25 checking revisions... syzkaller login: [ 41.302287] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:37:26 testing simple program... [ 41.373388] cgroup: Unknown subsys name 'net' [ 41.472499] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.279198] audit: type=1400 audit(1684377458.976:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 55.377099] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.380063] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.381704] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.386345] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.389464] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.390817] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.751566] ------------[ cut here ]------------ [ 55.752476] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.754712] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.755993] Modules linked in: [ 55.756472] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.761058] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.762063] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.762703] 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 [ 55.764901] RSP: 0018:ffff88801a29fc00 EFLAGS: 00010282 [ 55.765549] RAX: 0000000000000000 RBX: ffff88800ecbec40 RCX: 0000000000000000 [ 55.766440] RDX: ffff888017473680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.767319] RBP: ffff88800ecbec54 R08: 0000000000000001 R09: 0000000000000000 [ 55.768198] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.769099] R13: ffffffff84e23fe0 R14: ffff88800ecbec48 R15: ffffffff84d74dc0 [ 55.769988] FS: 0000555556dea400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.770972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.771675] CR2: 00007fe0d0edc6f4 CR3: 000000001965e000 CR4: 0000000000350ef0 [ 55.772559] Call Trace: [ 55.772914] [ 55.773214] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.773847] ipv4_frags_init_net+0x269/0x440 [ 55.774397] ops_init+0xbb/0x6b0 [ 55.774866] setup_net+0x3d9/0x990 [ 55.775318] ? down_read_killable+0x1d7/0x4e0 [ 55.775912] ? __pfx_setup_net+0x10/0x10 [ 55.776416] ? copy_net_ns+0x17c/0x770 [ 55.776980] copy_net_ns+0x321/0x770 [ 55.777459] create_new_namespaces+0x3f6/0xb30 [ 55.778070] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.778679] ksys_unshare+0x44d/0x8e0 [ 55.779201] ? __pfx_ksys_unshare+0x10/0x10 [ 55.779768] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.780470] __x64_sys_unshare+0x31/0x40 [ 55.781020] do_syscall_64+0x3f/0x90 [ 55.781499] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.782164] RIP: 0033:0x7f5004bca0d7 [ 55.782627] 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 [ 55.784842] RSP: 002b:00007fff1b549ae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.785787] RAX: ffffffffffffffda RBX: 00007fff1b54a128 RCX: 00007f5004bca0d7 [ 55.786653] RDX: 00007f5004c3441f RSI: 00007fff1b549a80 RDI: 0000000040000000 [ 55.787542] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1b549890 [ 55.788437] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5004cdcbf0 [ 55.789340] R13: 00007fff1b549bc0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.790237] [ 55.790534] irq event stamp: 8691 [ 55.790985] hardirqs last enabled at (8703): [] __up_console_sem+0x78/0x80 [ 55.792028] hardirqs last disabled at (8714): [] __up_console_sem+0x5d/0x80 [ 55.793091] softirqs last enabled at (8600): [] irq_exit_rcu+0x93/0xc0 [ 55.794097] softirqs last disabled at (8595): [] irq_exit_rcu+0x93/0xc0 [ 55.795113] ---[ end trace 0000000000000000 ]--- [ 55.800308] ------------[ cut here ]------------ [ 55.800955] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.802574] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.803622] Modules linked in: [ 55.804048] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.805204] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.806204] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.806873] 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 [ 55.809046] RSP: 0018:ffff88801a29fc00 EFLAGS: 00010282 [ 55.809689] RAX: 0000000000000000 RBX: ffff88800dece640 RCX: 0000000000000000 [ 55.810580] RDX: ffff888017473680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.811470] RBP: ffff88800dece654 R08: 0000000000000001 R09: 0000000000000000 [ 55.812353] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.813248] R13: ffffffff84e23fe0 R14: ffff88800dece648 R15: ffffffff84da7d60 [ 55.814123] FS: 0000555556dea400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.815121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.815861] CR2: 00007fe0d0edc6f4 CR3: 000000001965e000 CR4: 0000000000350ef0 [ 55.816760] Call Trace: [ 55.817088] [ 55.817384] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.818021] ipv6_frags_init_net+0x206/0x3c0 [ 55.818575] ops_init+0xbb/0x6b0 [ 55.819043] setup_net+0x3d9/0x990 [ 55.819493] ? down_read_killable+0x1d7/0x4e0 [ 55.820082] ? __pfx_setup_net+0x10/0x10 [ 55.820604] ? copy_net_ns+0x17c/0x770 [ 55.821138] copy_net_ns+0x321/0x770 [ 55.821616] create_new_namespaces+0x3f6/0xb30 [ 55.822222] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.822859] ksys_unshare+0x44d/0x8e0 [ 55.823348] ? __pfx_ksys_unshare+0x10/0x10 [ 55.823913] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.824640] __x64_sys_unshare+0x31/0x40 [ 55.825178] do_syscall_64+0x3f/0x90 [ 55.825651] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.826339] RIP: 0033:0x7f5004bca0d7 [ 55.826830] 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 [ 55.828991] RSP: 002b:00007fff1b549ae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.829929] RAX: ffffffffffffffda RBX: 00007fff1b54a128 RCX: 00007f5004bca0d7 [ 55.830807] RDX: 00007f5004c3441f RSI: 00007fff1b549a80 RDI: 0000000040000000 [ 55.831654] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1b549890 [ 55.832538] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5004cdcbf0 [ 55.833425] R13: 00007fff1b549bc0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.834334] [ 55.834635] irq event stamp: 10511 [ 55.835107] hardirqs last enabled at (10523): [] __up_console_sem+0x78/0x80 [ 55.836158] hardirqs last disabled at (10534): [] __up_console_sem+0x5d/0x80 [ 55.837240] softirqs last enabled at (9994): [] irq_exit_rcu+0x93/0xc0 [ 55.838278] softirqs last disabled at (9989): [] irq_exit_rcu+0x93/0xc0 [ 55.839300] ---[ end trace 0000000000000000 ]--- [ 55.840611] ------------[ cut here ]------------ [ 55.841242] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.843234] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.844301] Modules linked in: [ 55.844744] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.845935] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.846950] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.847586] 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 [ 55.849762] RSP: 0018:ffff88801a29fbf0 EFLAGS: 00010286 [ 55.850405] RAX: 0000000000000000 RBX: ffff88800f66de40 RCX: 0000000000000000 [ 55.851288] RDX: ffff888017473680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.852165] RBP: ffff88800f66de54 R08: 0000000000000001 R09: 0000000000000000 [ 55.853051] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.853926] R13: ffffffff84e23fe0 R14: ffff88800f66de48 R15: ffffffff84db0aa0 [ 55.854809] FS: 0000555556dea400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.855798] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.856516] CR2: 00007fe0d0edc6f4 CR3: 000000001965e000 CR4: 0000000000350ef0 [ 55.857404] Call Trace: [ 55.857753] [ 55.858056] nf_ct_net_init+0x224/0x3d0 [ 55.858576] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.859181] ops_init+0xbb/0x6b0 [ 55.859635] setup_net+0x3d9/0x990 [ 55.860121] ? down_read_killable+0x1d7/0x4e0 [ 55.860700] ? __pfx_setup_net+0x10/0x10 [ 55.861246] ? copy_net_ns+0x17c/0x770 [ 55.861779] copy_net_ns+0x321/0x770 [ 55.862266] create_new_namespaces+0x3f6/0xb30 [ 55.862872] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.863478] ksys_unshare+0x44d/0x8e0 [ 55.863987] ? __pfx_ksys_unshare+0x10/0x10 [ 55.864532] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.865267] __x64_sys_unshare+0x31/0x40 [ 55.865806] do_syscall_64+0x3f/0x90 [ 55.866276] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.866942] RIP: 0033:0x7f5004bca0d7 [ 55.867406] 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 [ 55.869582] RSP: 002b:00007fff1b549ae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.870515] RAX: ffffffffffffffda RBX: 00007fff1b54a128 RCX: 00007f5004bca0d7 [ 55.871397] RDX: 00007f5004c3441f RSI: 00007fff1b549a80 RDI: 0000000040000000 [ 55.872283] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1b549890 [ 55.873183] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5004cdcbf0 [ 55.874064] R13: 00007fff1b549bc0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.874970] [ 55.875268] irq event stamp: 11373 [ 55.875692] hardirqs last enabled at (11383): [] __up_console_sem+0x78/0x80 [ 55.876791] hardirqs last disabled at (11396): [] __up_console_sem+0x5d/0x80 [ 55.877852] softirqs last enabled at (11346): [] irq_exit_rcu+0x93/0xc0 [ 55.878883] softirqs last disabled at (11337): [] irq_exit_rcu+0x93/0xc0 [ 55.879904] ---[ end trace 0000000000000000 ]--- executing program [ 57.458328] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.505868] Bluetooth: hci0: command 0x041b tx timeout [ 61.554783] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.602834] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:37:28 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a29f5f0 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 0000555556dea400 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=00007fe0d0edc6f4 CR3=000000001965e000 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=0000000000044feb 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=00000206 [-----P-] 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=00007f7bdc037058 CR3=000000000e528000 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=2030343a37333a32302038312079614d XMM01=5d3231373435372e35352020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3231373435372e35352020205b XMM07=79732030343a37333a32302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000