Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:37781' (ECDSA) to the list of known hosts. 2023/05/16 16:53:34 fuzzer started 2023/05/16 16:53:34 dialing manager at localhost:35573 2023/05/16 16:53:34 checking machine... 2023/05/16 16:53:34 checking revisions... syzkaller login: [ 51.639135] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:53:35 testing simple program... [ 51.711989] cgroup: Unknown subsys name 'net' [ 51.783194] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 63.813749] audit: type=1400 audit(1684256027.225:6): 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 [ 64.916725] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.920416] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.935108] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.939568] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.941800] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.943463] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 65.342246] ------------[ cut here ]------------ [ 65.343056] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 65.345033] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.346288] Modules linked in: [ 65.346784] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.349265] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.351801] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.353053] 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 [ 65.355760] RSP: 0018:ffff88802027fc00 EFLAGS: 00010282 [ 65.356611] RAX: 0000000000000000 RBX: ffff88800e1ddc40 RCX: 0000000000000000 [ 65.357731] RDX: ffff88800e750000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.358860] RBP: ffff88800e1ddc54 R08: 0000000000000001 R09: 0000000000000000 [ 65.359957] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.361056] R13: ffffffff84e223a0 R14: ffff88800e1ddc48 R15: ffffffff84d73340 [ 65.362143] FS: 0000555556e63400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 65.363390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.364307] CR2: 00007ff07af4c6f4 CR3: 000000001f438000 CR4: 0000000000350ef0 [ 65.365424] Call Trace: [ 65.365861] [ 65.366231] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 65.367032] ipv4_frags_init_net+0x269/0x440 [ 65.367727] ops_init+0xbb/0x6b0 [ 65.368319] setup_net+0x3d9/0x990 [ 65.368923] ? down_read_killable+0x1d7/0x4e0 [ 65.369621] ? __pfx_setup_net+0x10/0x10 [ 65.370297] ? copy_net_ns+0x17c/0x770 [ 65.370956] copy_net_ns+0x321/0x770 [ 65.371540] create_new_namespaces+0x3f6/0xb30 [ 65.372311] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.373108] ksys_unshare+0x44d/0x8e0 [ 65.373711] ? __pfx_ksys_unshare+0x10/0x10 [ 65.374415] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.375355] __x64_sys_unshare+0x31/0x40 [ 65.376019] do_syscall_64+0x3f/0x90 [ 65.376594] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.377422] RIP: 0033:0x7fef387a90d7 [ 65.378023] 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 [ 65.380721] RSP: 002b:00007ffd52d70428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.381898] RAX: ffffffffffffffda RBX: 00007ffd52d70a68 RCX: 00007fef387a90d7 [ 65.382986] RDX: 00007fef3881341f RSI: 00007ffd52d703c0 RDI: 0000000040000000 [ 65.384099] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd52d701d0 [ 65.385190] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fef388bbbf0 [ 65.386299] R13: 00007ffd52d70500 R14: 0000000000000000 R15: 00000000000000f8 [ 65.387429] [ 65.387804] irq event stamp: 6873 [ 65.388369] hardirqs last enabled at (6885): [] __up_console_sem+0x78/0x80 [ 65.389682] hardirqs last disabled at (6896): [] __up_console_sem+0x5d/0x80 [ 65.391025] softirqs last enabled at (6344): [] irq_exit_rcu+0x93/0xc0 [ 65.392286] softirqs last disabled at (6339): [] irq_exit_rcu+0x93/0xc0 [ 65.393571] ---[ end trace 0000000000000000 ]--- [ 65.399113] ------------[ cut here ]------------ [ 65.400051] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 65.401856] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.402954] Modules linked in: [ 65.403362] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.404517] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.405513] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.406189] 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 [ 65.408371] RSP: 0018:ffff88802027fc00 EFLAGS: 00010282 [ 65.409052] RAX: 0000000000000000 RBX: ffff88800e96b640 RCX: 0000000000000000 [ 65.409946] RDX: ffff88800e750000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.410800] RBP: ffff88800e96b654 R08: 0000000000000001 R09: 0000000000000000 [ 65.411726] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.412623] R13: ffffffff84e223a0 R14: ffff88800e96b648 R15: ffffffff84da62e0 [ 65.413516] FS: 0000555556e63400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 65.414496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.415250] CR2: 00007ff07af4c6f4 CR3: 000000001f438000 CR4: 0000000000350ef0 [ 65.416128] Call Trace: [ 65.416452] [ 65.416750] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 65.417390] ipv6_frags_init_net+0x206/0x3c0 [ 65.417970] ops_init+0xbb/0x6b0 [ 65.418415] setup_net+0x3d9/0x990 [ 65.418908] ? down_read_killable+0x1d7/0x4e0 [ 65.419474] ? __pfx_setup_net+0x10/0x10 [ 65.420017] ? copy_net_ns+0x17c/0x770 [ 65.420532] copy_net_ns+0x321/0x770 [ 65.421038] create_new_namespaces+0x3f6/0xb30 [ 65.421620] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.422259] ksys_unshare+0x44d/0x8e0 [ 65.422751] ? __pfx_ksys_unshare+0x10/0x10 [ 65.423348] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.424091] __x64_sys_unshare+0x31/0x40 [ 65.424608] do_syscall_64+0x3f/0x90 [ 65.425110] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.425745] RIP: 0033:0x7fef387a90d7 [ 65.426239] 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 [ 65.428400] RSP: 002b:00007ffd52d70428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.429342] RAX: ffffffffffffffda RBX: 00007ffd52d70a68 RCX: 00007fef387a90d7 [ 65.430220] RDX: 00007fef3881341f RSI: 00007ffd52d703c0 RDI: 0000000040000000 [ 65.431129] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd52d701d0 [ 65.432011] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fef388bbbf0 [ 65.432898] R13: 00007ffd52d70500 R14: 0000000000000000 R15: 00000000000000f8 [ 65.433770] [ 65.434106] irq event stamp: 8601 [ 65.434524] hardirqs last enabled at (8611): [] __up_console_sem+0x78/0x80 [ 65.435592] hardirqs last disabled at (8622): [] __up_console_sem+0x5d/0x80 [ 65.436634] softirqs last enabled at (8222): [] irq_exit_rcu+0x93/0xc0 [ 65.437652] softirqs last disabled at (8213): [] irq_exit_rcu+0x93/0xc0 [ 65.438684] ---[ end trace 0000000000000000 ]--- [ 65.440052] ------------[ cut here ]------------ [ 65.440632] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 65.442603] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.443676] Modules linked in: [ 65.444116] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.445254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.446257] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.446947] 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 [ 65.449089] RSP: 0018:ffff88802027fbf0 EFLAGS: 00010286 [ 65.449736] RAX: 0000000000000000 RBX: ffff888013eee240 RCX: 0000000000000000 [ 65.450630] RDX: ffff88800e750000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.451545] RBP: ffff888013eee254 R08: 0000000000000001 R09: 0000000000000000 [ 65.452437] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.453308] R13: ffffffff84e223a0 R14: ffff888013eee248 R15: ffffffff84daf020 [ 65.454192] FS: 0000555556e63400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 65.455217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.455945] CR2: 00007ff07af4c6f4 CR3: 000000001f438000 CR4: 0000000000350ef0 [ 65.456794] Call Trace: [ 65.457157] [ 65.457461] nf_ct_net_init+0x224/0x3d0 [ 65.458001] ? __pfx_nf_ct_net_init+0x10/0x10 [ 65.458575] ops_init+0xbb/0x6b0 [ 65.459062] setup_net+0x3d9/0x990 [ 65.459518] ? down_read_killable+0x1d7/0x4e0 [ 65.460118] ? __pfx_setup_net+0x10/0x10 [ 65.460614] ? copy_net_ns+0x17c/0x770 [ 65.461133] copy_net_ns+0x321/0x770 [ 65.461612] create_new_namespaces+0x3f6/0xb30 [ 65.462227] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.462891] ksys_unshare+0x44d/0x8e0 [ 65.463375] ? __pfx_ksys_unshare+0x10/0x10 [ 65.463941] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.464646] __x64_sys_unshare+0x31/0x40 [ 65.465185] do_syscall_64+0x3f/0x90 [ 65.465652] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.466317] RIP: 0033:0x7fef387a90d7 [ 65.466771] 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 [ 65.468945] RSP: 002b:00007ffd52d70428 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.469879] RAX: ffffffffffffffda RBX: 00007ffd52d70a68 RCX: 00007fef387a90d7 [ 65.470729] RDX: 00007fef3881341f RSI: 00007ffd52d703c0 RDI: 0000000040000000 [ 65.471650] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd52d701d0 [ 65.472532] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fef388bbbf0 [ 65.473418] R13: 00007ffd52d70500 R14: 0000000000000000 R15: 00000000000000f8 [ 65.474324] [ 65.474623] irq event stamp: 9401 [ 65.475103] hardirqs last enabled at (9413): [] __up_console_sem+0x78/0x80 [ 65.476163] hardirqs last disabled at (9424): [] __up_console_sem+0x5d/0x80 [ 65.477216] softirqs last enabled at (9210): [] irq_exit_rcu+0x93/0xc0 [ 65.478226] softirqs last disabled at (9205): [] irq_exit_rcu+0x93/0xc0 [ 65.479275] ---[ end trace 0000000000000000 ]--- executing program [ 67.003408] Bluetooth: hci0: command 0x0409 tx timeout [ 69.051964] Bluetooth: hci0: command 0x041b tx timeout executing program [ 71.098954] Bluetooth: hci0: command 0x040f tx timeout executing program [ 73.147010] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 16:53:33 Registers: info registers vcpu 0 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88802027f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000064 R11=0000000000000001 R12=0000000000000064 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 0000555556e63400 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=00007ff07af4c6f4 CR3=000000001f438000 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=ffffffff86170bf1 RBX=0000000000000001 RCX=0000000000000001 RDX=0000000000000002 RSI=ffffffff86170bec RDI=ffffffff85e22468 RBP=ffff8880194d76a0 RSP=ffff8880194d75d8 R8 =ffffffff86170bec R9 =ffffffff86170aee R10=0000000000038001 R11=000000000002c19a R12=ffff8880194d76a8 R13=ffff8880194d7690 R14=ffff8880194d7689 R15=ffff8880194d7648 RIP=ffffffff8113174d RFL=00000202 [-------] 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 00007f2135c12700 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=00007fa4e5b31000 CR3=000000000b9ec000 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=2038343a33353a36312036312079614d XMM01=5d3130383135332e35362020205b203a XMM02=7379735f74656e5f7265747369676572 XMM03=35332e35362020205b203a6c656e7265 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3536323934332e35362020205b20 XMM07=732038343a33353a3631203631207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000