Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:28624' (ECDSA) to the list of known hosts. 2023/05/17 14:56:23 fuzzer started 2023/05/17 14:56:23 dialing manager at localhost:44319 2023/05/17 14:56:24 checking machine... 2023/05/17 14:56:24 checking revisions... syzkaller login: [ 31.782238] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:56:24 testing simple program... [ 31.858725] cgroup: Unknown subsys name 'net' [ 31.953826] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 45.349186] audit: type=1400 audit(1684335397.688:6): 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 [ 46.449409] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 46.451757] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 46.453833] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 46.457807] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 46.459582] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 46.461533] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 46.831483] ------------[ cut here ]------------ [ 46.832582] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 46.834418] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.835535] Modules linked in: [ 46.835974] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 46.840371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.841480] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.842152] 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 [ 46.844382] RSP: 0018:ffff8880209dfc00 EFLAGS: 00010282 [ 46.845094] RAX: 0000000000000000 RBX: ffff88800eb59c40 RCX: 0000000000000000 [ 46.846010] RDX: ffff88800fd71b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.846926] RBP: ffff88800eb59c54 R08: 0000000000000001 R09: 0000000000000000 [ 46.847807] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 46.848732] R13: ffffffff84e23fe0 R14: ffff88800eb59c48 R15: ffffffff84d74dc0 [ 46.849646] FS: 00005555562e0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.850689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.851446] CR2: 00007f4971b21000 CR3: 00000000181de000 CR4: 0000000000350ef0 [ 46.852366] Call Trace: [ 46.852718] [ 46.853050] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 46.853681] ipv4_frags_init_net+0x269/0x440 [ 46.854319] ops_init+0xbb/0x6b0 [ 46.854774] setup_net+0x3d9/0x990 [ 46.855285] ? down_read_killable+0x1d7/0x4e0 [ 46.855861] ? __pfx_setup_net+0x10/0x10 [ 46.856414] ? copy_net_ns+0x17c/0x770 [ 46.856968] copy_net_ns+0x321/0x770 [ 46.857479] create_new_namespaces+0x3f6/0xb30 [ 46.858108] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.858751] ksys_unshare+0x44d/0x8e0 [ 46.859294] ? __pfx_ksys_unshare+0x10/0x10 [ 46.859842] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.860621] __x64_sys_unshare+0x31/0x40 [ 46.861175] do_syscall_64+0x3f/0x90 [ 46.861669] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.862381] RIP: 0033:0x7f4a6fb7d0d7 [ 46.862844] 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 [ 46.865103] RSP: 002b:00007ffe3dfdf058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 46.866076] RAX: ffffffffffffffda RBX: 00007ffe3dfdf698 RCX: 00007f4a6fb7d0d7 [ 46.867001] RDX: 00007f4a6fbe741f RSI: 00007ffe3dfdeff0 RDI: 0000000040000000 [ 46.867870] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3dfdee00 [ 46.868796] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4a6fc8fbf0 [ 46.869719] R13: 00007ffe3dfdf130 R14: 0000000000000000 R15: 00000000000000f8 [ 46.870677] [ 46.871014] irq event stamp: 7995 [ 46.871458] hardirqs last enabled at (8005): [] __up_console_sem+0x78/0x80 [ 46.872581] hardirqs last disabled at (8024): [] __up_console_sem+0x5d/0x80 [ 46.873667] softirqs last enabled at (8020): [] irq_exit_rcu+0x93/0xc0 [ 46.874755] softirqs last disabled at (8013): [] irq_exit_rcu+0x93/0xc0 [ 46.875805] ---[ end trace 0000000000000000 ]--- [ 46.881601] ------------[ cut here ]------------ [ 46.882249] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 46.884042] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.885192] Modules linked in: [ 46.885615] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 46.886813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.887837] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.888575] 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 [ 46.890781] RSP: 0018:ffff8880209dfc00 EFLAGS: 00010282 [ 46.891506] RAX: 0000000000000000 RBX: ffff888015bd3240 RCX: 0000000000000000 [ 46.892420] RDX: ffff88800fd71b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.893350] RBP: ffff888015bd3254 R08: 0000000000000001 R09: 0000000000000000 [ 46.894273] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 46.895180] R13: ffffffff84e23fe0 R14: ffff888015bd3248 R15: ffffffff84da7d60 [ 46.896097] FS: 00005555562e0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.897129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.897868] CR2: 00007f4971b21000 CR3: 00000000181de000 CR4: 0000000000350ef0 [ 46.898834] Call Trace: [ 46.899222] [ 46.899537] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 46.900186] ipv6_frags_init_net+0x206/0x3c0 [ 46.900794] ops_init+0xbb/0x6b0 [ 46.901294] setup_net+0x3d9/0x990 [ 46.901757] ? down_read_killable+0x1d7/0x4e0 [ 46.902394] ? __pfx_setup_net+0x10/0x10 [ 46.902959] ? copy_net_ns+0x17c/0x770 [ 46.903487] copy_net_ns+0x321/0x770 [ 46.904008] create_new_namespaces+0x3f6/0xb30 [ 46.904631] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.905323] ksys_unshare+0x44d/0x8e0 [ 46.905821] ? __pfx_ksys_unshare+0x10/0x10 [ 46.906413] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.907167] __x64_sys_unshare+0x31/0x40 [ 46.907718] do_syscall_64+0x3f/0x90 [ 46.908255] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.908971] RIP: 0033:0x7f4a6fb7d0d7 [ 46.909451] 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 [ 46.911681] RSP: 002b:00007ffe3dfdf058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 46.912682] RAX: ffffffffffffffda RBX: 00007ffe3dfdf698 RCX: 00007f4a6fb7d0d7 [ 46.913590] RDX: 00007f4a6fbe741f RSI: 00007ffe3dfdeff0 RDI: 0000000040000000 [ 46.914482] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3dfdee00 [ 46.915407] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4a6fc8fbf0 [ 46.916336] R13: 00007ffe3dfdf130 R14: 0000000000000000 R15: 00000000000000f8 [ 46.917303] [ 46.917606] irq event stamp: 9741 [ 46.918062] hardirqs last enabled at (9753): [] __up_console_sem+0x78/0x80 [ 46.919141] hardirqs last disabled at (9764): [] __up_console_sem+0x5d/0x80 [ 46.920248] softirqs last enabled at (9234): [] irq_exit_rcu+0x93/0xc0 [ 46.921306] softirqs last disabled at (9211): [] irq_exit_rcu+0x93/0xc0 [ 46.922359] ---[ end trace 0000000000000000 ]--- [ 46.923723] ------------[ cut here ]------------ [ 46.924380] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 46.926311] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.927436] Modules linked in: [ 46.927844] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 46.929059] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.930101] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.930759] 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 [ 46.933025] RSP: 0018:ffff8880209dfbf0 EFLAGS: 00010286 [ 46.933713] RAX: 0000000000000000 RBX: ffff888015bd3640 RCX: 0000000000000000 [ 46.934640] RDX: ffff88800fd71b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.935571] RBP: ffff888015bd3654 R08: 0000000000000001 R09: 0000000000000000 [ 46.936594] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 46.937546] R13: ffffffff84e23fe0 R14: ffff888015bd3648 R15: ffffffff84db0aa0 [ 46.938478] FS: 00005555562e0400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.939525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.940309] CR2: 00007f4971b21000 CR3: 00000000181de000 CR4: 0000000000350ef0 [ 46.941234] Call Trace: [ 46.941576] [ 46.941908] nf_ct_net_init+0x224/0x3d0 [ 46.942459] ? __pfx_nf_ct_net_init+0x10/0x10 [ 46.943081] ops_init+0xbb/0x6b0 [ 46.943571] setup_net+0x3d9/0x990 [ 46.944078] ? down_read_killable+0x1d7/0x4e0 [ 46.944697] ? __pfx_setup_net+0x10/0x10 [ 46.945252] ? copy_net_ns+0x17c/0x770 [ 46.945770] copy_net_ns+0x321/0x770 [ 46.946301] create_new_namespaces+0x3f6/0xb30 [ 46.946936] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.947589] ksys_unshare+0x44d/0x8e0 [ 46.948119] ? __pfx_ksys_unshare+0x10/0x10 [ 46.948721] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.949497] __x64_sys_unshare+0x31/0x40 [ 46.950062] do_syscall_64+0x3f/0x90 [ 46.950563] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.951297] RIP: 0033:0x7f4a6fb7d0d7 [ 46.951820] 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 [ 46.954089] RSP: 002b:00007ffe3dfdf058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 46.955066] RAX: ffffffffffffffda RBX: 00007ffe3dfdf698 RCX: 00007f4a6fb7d0d7 [ 46.956022] RDX: 00007f4a6fbe741f RSI: 00007ffe3dfdeff0 RDI: 0000000040000000 [ 46.956956] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3dfdee00 [ 46.957834] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4a6fc8fbf0 [ 46.958757] R13: 00007ffe3dfdf130 R14: 0000000000000000 R15: 00000000000000f8 [ 46.959723] [ 46.960076] irq event stamp: 10511 [ 46.960568] hardirqs last enabled at (10521): [] __up_console_sem+0x78/0x80 [ 46.961690] hardirqs last disabled at (10532): [] __up_console_sem+0x5d/0x80 [ 46.962798] softirqs last enabled at (10418): [] irq_exit_rcu+0x93/0xc0 [ 46.963906] softirqs last disabled at (10409): [] irq_exit_rcu+0x93/0xc0 [ 46.964992] ---[ end trace 0000000000000000 ]--- [ 48.473541] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 50.520810] Bluetooth: hci0: command 0x041b tx timeout [ 52.567954] Bluetooth: hci0: command 0x040f tx timeout executing program [ 54.616062] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:56:37 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880209df5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 00005555562e0400 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=00007f4971b21000 CR3=00000000181de000 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=dffffc0000000000 RBX=ffff88806cf09fe8 RCX=0000000000000002 RDX=1ffff1100d9e1355 RSI=ffff88806cf09fb8 RDI=ffff88806cf09aa8 RBP=ffff888008dcfdc8 RSP=ffff88806cf09a30 R8 =ffffffff864a9d40 R9 =ffffffff864a9d44 R10=0000000000038001 R11=ffff88806cf09ae0 R12=ffff88806cf09b00 R13=ffff88806cf09ae8 R14=ffff88806cf09fb8 R15=ffff88806cf09aa0 RIP=ffffffff811319b6 RFL=00000246 [---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 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=00007f4971a7b4d0 CR3=000000000e750000 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=2039333a36353a34312037312079614d XMM01=5d3437393533382e36342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000