Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:61516' (ECDSA) to the list of known hosts. 2023/05/16 13:08:36 fuzzer started 2023/05/16 13:08:36 dialing manager at localhost:35573 2023/05/16 13:08:36 checking machine... 2023/05/16 13:08:36 checking revisions... syzkaller login: [ 37.449061] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:08:37 testing simple program... [ 37.520586] cgroup: Unknown subsys name 'net' [ 37.603454] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.582694] audit: type=1400 audit(1684242531.218:6): 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 executing program [ 52.759017] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.760488] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.762441] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.764961] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.766690] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.767827] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.161444] ------------[ cut here ]------------ [ 53.162246] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.164614] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.165947] Modules linked in: [ 53.166448] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.171311] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.172382] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.173072] 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 [ 53.175324] RSP: 0018:ffff888018a97c00 EFLAGS: 00010282 [ 53.176031] RAX: 0000000000000000 RBX: ffff88800e614c40 RCX: 0000000000000000 [ 53.176913] RDX: ffff88800e6f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.177816] RBP: ffff88800e614c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.178729] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.179703] R13: ffffffff84e223a0 R14: ffff88800e614c48 R15: ffffffff84d73340 [ 53.180632] FS: 00005555556b1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.181649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.182402] CR2: 00007f1af466d6f4 CR3: 00000000166b4000 CR4: 0000000000350ef0 [ 53.183333] Call Trace: [ 53.183674] [ 53.184014] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.184647] ipv4_frags_init_net+0x269/0x440 [ 53.185238] ops_init+0xbb/0x6b0 [ 53.185695] setup_net+0x3d9/0x990 [ 53.186197] ? down_read_killable+0x1d7/0x4e0 [ 53.186789] ? __pfx_setup_net+0x10/0x10 [ 53.187368] ? copy_net_ns+0x17c/0x770 [ 53.187888] copy_net_ns+0x321/0x770 [ 53.188418] create_new_namespaces+0x3f6/0xb30 [ 53.189043] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.189686] ksys_unshare+0x44d/0x8e0 [ 53.190218] ? __pfx_ksys_unshare+0x10/0x10 [ 53.190781] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.191554] __x64_sys_unshare+0x31/0x40 [ 53.192112] do_syscall_64+0x3f/0x90 [ 53.192603] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.193292] RIP: 0033:0x7f1e2b47f0d7 [ 53.193772] 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 [ 53.195990] RSP: 002b:00007ffdde092f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.196903] RAX: ffffffffffffffda RBX: 00007ffdde0935c8 RCX: 00007f1e2b47f0d7 [ 53.197794] RDX: 00007f1e2b4e941f RSI: 00007ffdde092f20 RDI: 0000000040000000 [ 53.198686] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdde092d30 [ 53.199592] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1e2b591bf0 [ 53.200494] R13: 00007ffdde093060 R14: 0000000000000000 R15: 00000000000000f8 [ 53.201393] [ 53.201697] irq event stamp: 8161 [ 53.202157] hardirqs last enabled at (8173): [] __up_console_sem+0x78/0x80 [ 53.203248] hardirqs last disabled at (8184): [] __up_console_sem+0x5d/0x80 [ 53.204318] softirqs last enabled at (7800): [] irq_exit_rcu+0x93/0xc0 [ 53.205356] softirqs last disabled at (7795): [] irq_exit_rcu+0x93/0xc0 [ 53.206369] ---[ end trace 0000000000000000 ]--- [ 53.212307] ------------[ cut here ]------------ [ 53.212912] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.214711] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.215793] Modules linked in: [ 53.216236] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.217412] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.218441] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.219145] 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 [ 53.221340] RSP: 0018:ffff888018a97c00 EFLAGS: 00010282 [ 53.222025] RAX: 0000000000000000 RBX: ffff8880164bd040 RCX: 0000000000000000 [ 53.222878] RDX: ffff88800e6f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.223772] RBP: ffff8880164bd054 R08: 0000000000000001 R09: 0000000000000000 [ 53.224659] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.225544] R13: ffffffff84e223a0 R14: ffff8880164bd048 R15: ffffffff84da62e0 [ 53.226438] FS: 00005555556b1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.227428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.228173] CR2: 00007f1af466d6f4 CR3: 00000000166b4000 CR4: 0000000000350ef0 [ 53.229065] Call Trace: [ 53.229389] [ 53.229683] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.230322] ipv6_frags_init_net+0x206/0x3c0 [ 53.230876] ops_init+0xbb/0x6b0 [ 53.231366] setup_net+0x3d9/0x990 [ 53.231816] ? down_read_killable+0x1d7/0x4e0 [ 53.232411] ? __pfx_setup_net+0x10/0x10 [ 53.232912] ? copy_net_ns+0x17c/0x770 [ 53.233442] copy_net_ns+0x321/0x770 [ 53.233914] create_new_namespaces+0x3f6/0xb30 [ 53.234524] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.235184] ksys_unshare+0x44d/0x8e0 [ 53.235674] ? __pfx_ksys_unshare+0x10/0x10 [ 53.236244] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.236976] __x64_sys_unshare+0x31/0x40 [ 53.237492] do_syscall_64+0x3f/0x90 [ 53.237992] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.238627] RIP: 0033:0x7f1e2b47f0d7 [ 53.239138] 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 [ 53.241289] RSP: 002b:00007ffdde092f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.242223] RAX: ffffffffffffffda RBX: 00007ffdde0935c8 RCX: 00007f1e2b47f0d7 [ 53.243111] RDX: 00007f1e2b4e941f RSI: 00007ffdde092f20 RDI: 0000000040000000 [ 53.243992] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdde092d30 [ 53.244847] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1e2b591bf0 [ 53.245734] R13: 00007ffdde093060 R14: 0000000000000000 R15: 00000000000000f8 [ 53.246650] [ 53.246985] irq event stamp: 9707 [ 53.247450] hardirqs last enabled at (9717): [] __up_console_sem+0x78/0x80 [ 53.248511] hardirqs last disabled at (9728): [] __up_console_sem+0x5d/0x80 [ 53.249554] softirqs last enabled at (9524): [] irq_exit_rcu+0x93/0xc0 [ 53.250588] softirqs last disabled at (9519): [] irq_exit_rcu+0x93/0xc0 [ 53.251620] ---[ end trace 0000000000000000 ]--- [ 53.253108] ------------[ cut here ]------------ [ 53.253687] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.255869] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.256997] Modules linked in: [ 53.257424] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.258622] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.259696] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.260396] 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 [ 53.262666] RSP: 0018:ffff888018a97bf0 EFLAGS: 00010286 [ 53.263380] RAX: 0000000000000000 RBX: ffff8880164bc840 RCX: 0000000000000000 [ 53.264301] RDX: ffff88800e6f0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.265241] RBP: ffff8880164bc854 R08: 0000000000000001 R09: 0000000000000000 [ 53.266190] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.267113] R13: ffffffff84e223a0 R14: ffff8880164bc848 R15: ffffffff84daf020 [ 53.268051] FS: 00005555556b1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.269098] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.269843] CR2: 00007f1af466d6f4 CR3: 00000000166b4000 CR4: 0000000000350ef0 [ 53.270780] Call Trace: [ 53.271172] [ 53.271488] nf_ct_net_init+0x224/0x3d0 [ 53.272059] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.272654] ops_init+0xbb/0x6b0 [ 53.273145] setup_net+0x3d9/0x990 [ 53.273617] ? down_read_killable+0x1d7/0x4e0 [ 53.274231] ? __pfx_setup_net+0x10/0x10 [ 53.274764] ? copy_net_ns+0x17c/0x770 [ 53.275327] copy_net_ns+0x321/0x770 [ 53.275832] create_new_namespaces+0x3f6/0xb30 [ 53.276464] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.277143] ksys_unshare+0x44d/0x8e0 [ 53.277653] ? __pfx_ksys_unshare+0x10/0x10 [ 53.278249] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.279015] __x64_sys_unshare+0x31/0x40 [ 53.279581] do_syscall_64+0x3f/0x90 [ 53.280114] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.280776] RIP: 0033:0x7f1e2b47f0d7 [ 53.281298] 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 [ 53.283577] RSP: 002b:00007ffdde092f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.284578] RAX: ffffffffffffffda RBX: 00007ffdde0935c8 RCX: 00007f1e2b47f0d7 [ 53.285501] RDX: 00007f1e2b4e941f RSI: 00007ffdde092f20 RDI: 0000000040000000 [ 53.286430] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdde092d30 [ 53.287362] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1e2b591bf0 [ 53.288294] R13: 00007ffdde093060 R14: 0000000000000000 R15: 00000000000000f8 [ 53.289253] [ 53.289568] irq event stamp: 10483 [ 53.290048] hardirqs last enabled at (10495): [] __up_console_sem+0x78/0x80 [ 53.291170] hardirqs last disabled at (10506): [] __up_console_sem+0x5d/0x80 [ 53.292286] softirqs last enabled at (9976): [] irq_exit_rcu+0x93/0xc0 [ 53.293363] softirqs last disabled at (9951): [] irq_exit_rcu+0x93/0xc0 [ 53.294444] ---[ end trace 0000000000000000 ]--- [ 54.779615] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.827616] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.875002] Bluetooth: hci0: command 0x040f tx timeout [ 60.923088] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:08:52 Registers: info registers vcpu 0 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018a975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 00005555556b1400 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=00007f1af466d6f4 CR3=00000000166b4000 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=000000000002dce7 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007fa63c5e01a8 CR3=000000000f614000 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=2032353a38303a33312036312079614d XMM01=5d3431363436312e33352020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3431363436312e33352020205b XMM07=79732032353a38303a33312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000