Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:39174' (ECDSA) to the list of known hosts. 2023/05/17 01:34:42 fuzzer started 2023/05/17 01:34:42 dialing manager at localhost:35573 2023/05/17 01:34:42 checking machine... 2023/05/17 01:34:42 checking revisions... syzkaller login: [ 37.214217] kmemleak: Automatic memory scanning thread ended 2023/05/17 01:34:42 testing simple program... [ 37.288828] cgroup: Unknown subsys name 'net' [ 37.353714] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.327351] audit: type=1400 audit(1684287295.884:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.434677] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.436318] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.437812] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.440162] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.441727] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.442940] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.840663] ------------[ cut here ]------------ [ 51.841443] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.843698] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.845453] Modules linked in: [ 51.846011] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.847671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.853286] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.853984] 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 [ 51.856537] RSP: 0018:ffff88800f6e7c00 EFLAGS: 00010282 [ 51.857531] RAX: 0000000000000000 RBX: ffff888009804840 RCX: 0000000000000000 [ 51.858560] RDX: ffff888015930000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.859579] RBP: ffff888009804854 R08: 0000000000000001 R09: 0000000000000000 [ 51.860577] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.861627] R13: ffffffff84e223a0 R14: ffff888009804848 R15: ffffffff84d73340 [ 51.862516] FS: 00005555559e1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.863507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.864248] CR2: 00007fc8b20286f4 CR3: 0000000015b56000 CR4: 0000000000350ee0 [ 51.865102] Call Trace: [ 51.865477] [ 51.865775] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.866406] ipv4_frags_init_net+0x269/0x440 [ 51.866960] ops_init+0xbb/0x6b0 [ 51.867436] setup_net+0x3d9/0x990 [ 51.867886] ? down_read_killable+0x1d7/0x4e0 [ 51.868475] ? __pfx_setup_net+0x10/0x10 [ 51.868979] ? copy_net_ns+0x17c/0x770 [ 51.869540] copy_net_ns+0x321/0x770 [ 51.870022] create_new_namespaces+0x3f6/0xb30 [ 51.870637] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.871277] ksys_unshare+0x44d/0x8e0 [ 51.871769] ? __pfx_ksys_unshare+0x10/0x10 [ 51.872340] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.873046] __x64_sys_unshare+0x31/0x40 [ 51.873631] do_syscall_64+0x3f/0x90 [ 51.874115] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.874783] RIP: 0033:0x7fbdde1280d7 [ 51.875278] 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 [ 51.877429] RSP: 002b:00007ffd8a1349e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.878355] RAX: ffffffffffffffda RBX: 00007ffd8a135028 RCX: 00007fbdde1280d7 [ 51.879224] RDX: 00007fbdde19241f RSI: 00007ffd8a134980 RDI: 0000000040000000 [ 51.880062] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8a134790 [ 51.880937] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbdde23abf0 [ 51.881824] R13: 00007ffd8a134ac0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.882726] [ 51.883024] irq event stamp: 7979 [ 51.883464] hardirqs last enabled at (7991): [] __up_console_sem+0x78/0x80 [ 51.884504] hardirqs last disabled at (8002): [] __up_console_sem+0x5d/0x80 [ 51.885566] softirqs last enabled at (7570): [] irq_exit_rcu+0x93/0xc0 [ 51.886583] softirqs last disabled at (7519): [] irq_exit_rcu+0x93/0xc0 [ 51.887603] ---[ end trace 0000000000000000 ]--- [ 51.892875] ------------[ cut here ]------------ [ 51.893517] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.895259] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.896310] Modules linked in: [ 51.896712] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.897861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.898863] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.899525] 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 [ 51.901689] RSP: 0018:ffff88800f6e7c00 EFLAGS: 00010282 [ 51.902371] RAX: 0000000000000000 RBX: ffff88800d547640 RCX: 0000000000000000 [ 51.903240] RDX: ffff888015930000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.904089] RBP: ffff88800d547654 R08: 0000000000000001 R09: 0000000000000000 [ 51.904968] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.905860] R13: ffffffff84e223a0 R14: ffff88800d547648 R15: ffffffff84da62e0 [ 51.906741] FS: 00005555559e1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.907723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.908465] CR2: 00007fc8b20286f4 CR3: 0000000015b56000 CR4: 0000000000350ee0 [ 51.909339] Call Trace: [ 51.909690] [ 51.909982] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.910626] ipv6_frags_init_net+0x206/0x3c0 [ 51.911210] ops_init+0xbb/0x6b0 [ 51.911654] setup_net+0x3d9/0x990 [ 51.912101] ? down_read_killable+0x1d7/0x4e0 [ 51.912690] ? __pfx_setup_net+0x10/0x10 [ 51.913221] ? copy_net_ns+0x17c/0x770 [ 51.913742] copy_net_ns+0x321/0x770 [ 51.914246] create_new_namespaces+0x3f6/0xb30 [ 51.914824] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.915462] ksys_unshare+0x44d/0x8e0 [ 51.915947] ? __pfx_ksys_unshare+0x10/0x10 [ 51.916517] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.917249] __x64_sys_unshare+0x31/0x40 [ 51.917792] do_syscall_64+0x3f/0x90 [ 51.918300] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.918943] RIP: 0033:0x7fbdde1280d7 [ 51.919431] 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 [ 51.921613] RSP: 002b:00007ffd8a1349e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.922573] RAX: ffffffffffffffda RBX: 00007ffd8a135028 RCX: 00007fbdde1280d7 [ 51.923468] RDX: 00007fbdde19241f RSI: 00007ffd8a134980 RDI: 0000000040000000 [ 51.924362] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8a134790 [ 51.925256] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbdde23abf0 [ 51.926142] R13: 00007ffd8a134ac0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.927090] [ 51.927420] irq event stamp: 9573 [ 51.927857] hardirqs last enabled at (9583): [] __up_console_sem+0x78/0x80 [ 51.928948] hardirqs last disabled at (9594): [] __up_console_sem+0x5d/0x80 [ 51.930052] softirqs last enabled at (9082): [] irq_exit_rcu+0x93/0xc0 [ 51.931121] softirqs last disabled at (9077): [] irq_exit_rcu+0x93/0xc0 [ 51.932214] ---[ end trace 0000000000000000 ]--- [ 51.933596] ------------[ cut here ]------------ [ 51.934274] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.936308] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.937409] Modules linked in: [ 51.937828] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.939021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.940057] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.940753] 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 [ 51.943013] RSP: 0018:ffff88800f6e7bf0 EFLAGS: 00010286 [ 51.943734] RAX: 0000000000000000 RBX: ffff88800d547e40 RCX: 0000000000000000 [ 51.944652] RDX: ffff888015930000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.945600] RBP: ffff88800d547e54 R08: 0000000000000001 R09: 0000000000000000 [ 51.946522] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.947448] R13: ffffffff84e223a0 R14: ffff88800d547e48 R15: ffffffff84daf020 [ 51.948372] FS: 00005555559e1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.949417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.950149] CR2: 00007fc8b20286f4 CR3: 0000000015b56000 CR4: 0000000000350ee0 [ 51.951068] Call Trace: [ 51.951442] [ 51.951756] nf_ct_net_init+0x224/0x3d0 [ 51.952317] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.952916] ops_init+0xbb/0x6b0 [ 51.953430] setup_net+0x3d9/0x990 [ 51.953901] ? down_read_killable+0x1d7/0x4e0 [ 51.954520] ? __pfx_setup_net+0x10/0x10 [ 51.955040] ? copy_net_ns+0x17c/0x770 [ 51.955588] copy_net_ns+0x321/0x770 [ 51.956085] create_new_namespaces+0x3f6/0xb30 [ 51.956716] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.957387] ksys_unshare+0x44d/0x8e0 [ 51.957898] ? __pfx_ksys_unshare+0x10/0x10 [ 51.958498] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.959267] __x64_sys_unshare+0x31/0x40 [ 51.959803] do_syscall_64+0x3f/0x90 [ 51.960323] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.960978] RIP: 0033:0x7fbdde1280d7 [ 51.961527] 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 [ 51.963791] RSP: 002b:00007ffd8a1349e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.964770] RAX: ffffffffffffffda RBX: 00007ffd8a135028 RCX: 00007fbdde1280d7 [ 51.965693] RDX: 00007fbdde19241f RSI: 00007ffd8a134980 RDI: 0000000040000000 [ 51.966614] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd8a134790 [ 51.967534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbdde23abf0 [ 51.968457] R13: 00007ffd8a134ac0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.969405] [ 51.969721] irq event stamp: 10355 [ 51.970213] hardirqs last enabled at (10367): [] __up_console_sem+0x78/0x80 [ 51.971321] hardirqs last disabled at (10378): [] __up_console_sem+0x5d/0x80 [ 51.972425] softirqs last enabled at (10206): [] irq_exit_rcu+0x93/0xc0 [ 51.973530] softirqs last disabled at (10201): [] irq_exit_rcu+0x93/0xc0 [ 51.974615] ---[ end trace 0000000000000000 ]--- executing program [ 53.515873] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.563240] Bluetooth: hci0: command 0x041b tx timeout [ 57.611240] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.659275] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:34:57 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff877970e0 RCX=ffffffff812d1969 RDX=1ffffffff0ef2e24 RSI=0000000000000008 RDI=ffffffff87797120 RBP=0000000000000000 RSP=ffff88800de672e0 R8 =0000000000000000 R9 =fffffbfff0ef2d38 R10=ffffffff877969c7 R11=0000000000000001 R12=ffff888015a3a5a8 R13=ffff888015a39b40 R14=ffffffff85d35b6c R15=0000000000000000 RIP=ffffffff812d199f 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 00007f741d63a700 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=00007ff8fb088df0 CR3=000000000e1e8000 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=2037353a34333a31302037312079614d XMM01=5d3137363734382e31352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3137363734382e31352020205b20 XMM07=732037353a34333a3130203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800f6e7618 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d 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 00005555559e1400 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=00007fc8b20286f4 CR3=0000000015b56000 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