Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:14516' (ECDSA) to the list of known hosts. 2023/05/16 17:51:52 fuzzer started 2023/05/16 17:51:52 dialing manager at localhost:35573 2023/05/16 17:51:52 checking machine... 2023/05/16 17:51:52 checking revisions... syzkaller login: [ 39.460682] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:51:52 testing simple program... [ 39.532110] cgroup: Unknown subsys name 'net' [ 39.626211] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.870301] audit: type=1400 audit(1684259526.093:6): 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 [ 53.954748] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.957134] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.958345] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.961200] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.962640] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.964013] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.367549] ------------[ cut here ]------------ [ 54.368329] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.370555] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.371845] Modules linked in: [ 54.372329] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.377071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.378087] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.378727] 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 [ 54.380927] RSP: 0018:ffff888020097c00 EFLAGS: 00010282 [ 54.381588] RAX: 0000000000000000 RBX: ffff88800e404840 RCX: 0000000000000000 [ 54.382475] RDX: ffff88801374d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.383384] RBP: ffff88800e404854 R08: 0000000000000001 R09: 0000000000000000 [ 54.384271] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.385156] R13: ffffffff84e223a0 R14: ffff88800e404848 R15: ffffffff84d73340 [ 54.386041] FS: 0000555557547400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.387047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.387771] CR2: 00007f8ca718d310 CR3: 000000000ee6c000 CR4: 0000000000350ef0 [ 54.388656] Call Trace: [ 54.389018] [ 54.389316] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.389954] ipv4_frags_init_net+0x269/0x440 [ 54.390509] ops_init+0xbb/0x6b0 [ 54.390995] setup_net+0x3d9/0x990 [ 54.391472] ? down_read_killable+0x1d7/0x4e0 [ 54.392083] ? __pfx_setup_net+0x10/0x10 [ 54.392608] ? copy_net_ns+0x17c/0x770 [ 54.393150] copy_net_ns+0x321/0x770 [ 54.393652] create_new_namespaces+0x3f6/0xb30 [ 54.394277] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.394940] ksys_unshare+0x44d/0x8e0 [ 54.395452] ? __pfx_ksys_unshare+0x10/0x10 [ 54.396041] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.396760] __x64_sys_unshare+0x31/0x40 [ 54.397329] do_syscall_64+0x3f/0x90 [ 54.397844] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.398496] RIP: 0033:0x7f69f9cc70d7 [ 54.399004] 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 [ 54.401207] RSP: 002b:00007ffe7916b738 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.402168] RAX: ffffffffffffffda RBX: 00007ffe7916bd78 RCX: 00007f69f9cc70d7 [ 54.403053] RDX: 00007f69f9d3141f RSI: 00007ffe7916b6d0 RDI: 0000000040000000 [ 54.403990] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7916b4e0 [ 54.404885] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f69f9dd9bf0 [ 54.405740] R13: 00007ffe7916b810 R14: 0000000000000000 R15: 00000000000000f8 [ 54.406654] [ 54.407002] irq event stamp: 10097 [ 54.407454] hardirqs last enabled at (10107): [] __up_console_sem+0x78/0x80 [ 54.408529] hardirqs last disabled at (10118): [] __up_console_sem+0x5d/0x80 [ 54.409601] softirqs last enabled at (10092): [] irq_exit_rcu+0x93/0xc0 [ 54.410659] softirqs last disabled at (10087): [] irq_exit_rcu+0x93/0xc0 [ 54.411733] ---[ end trace 0000000000000000 ]--- [ 54.416828] ------------[ cut here ]------------ [ 54.417433] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.419254] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.420335] Modules linked in: [ 54.420742] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.421906] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.422934] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.423596] 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 [ 54.425814] RSP: 0018:ffff888020097c00 EFLAGS: 00010282 [ 54.426501] RAX: 0000000000000000 RBX: ffff88800eb4a440 RCX: 0000000000000000 [ 54.427413] RDX: ffff88801374d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.428303] RBP: ffff88800eb4a454 R08: 0000000000000001 R09: 0000000000000000 [ 54.429203] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.430093] R13: ffffffff84e223a0 R14: ffff88800eb4a448 R15: ffffffff84da62e0 [ 54.430999] FS: 0000555557547400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.432022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.432732] CR2: 00007f8ca718d310 CR3: 000000000ee6c000 CR4: 0000000000350ef0 [ 54.433644] Call Trace: [ 54.434002] [ 54.434301] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.434950] ipv6_frags_init_net+0x206/0x3c0 [ 54.435517] ops_init+0xbb/0x6b0 [ 54.435994] setup_net+0x3d9/0x990 [ 54.436457] ? down_read_killable+0x1d7/0x4e0 [ 54.437061] ? __pfx_setup_net+0x10/0x10 [ 54.437568] ? copy_net_ns+0x17c/0x770 [ 54.438109] copy_net_ns+0x321/0x770 [ 54.438589] create_new_namespaces+0x3f6/0xb30 [ 54.439235] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.439896] ksys_unshare+0x44d/0x8e0 [ 54.440388] ? __pfx_ksys_unshare+0x10/0x10 [ 54.440972] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.441694] __x64_sys_unshare+0x31/0x40 [ 54.442252] do_syscall_64+0x3f/0x90 [ 54.442736] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.443417] RIP: 0033:0x7f69f9cc70d7 [ 54.443917] 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 [ 54.446111] RSP: 002b:00007ffe7916b738 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.447068] RAX: ffffffffffffffda RBX: 00007ffe7916bd78 RCX: 00007f69f9cc70d7 [ 54.447977] RDX: 00007f69f9d3141f RSI: 00007ffe7916b6d0 RDI: 0000000040000000 [ 54.448866] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7916b4e0 [ 54.449730] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f69f9dd9bf0 [ 54.450628] R13: 00007ffe7916b810 R14: 0000000000000000 R15: 00000000000000f8 [ 54.451564] [ 54.451897] irq event stamp: 11811 [ 54.452333] hardirqs last enabled at (11821): [] __up_console_sem+0x78/0x80 [ 54.453415] hardirqs last disabled at (11832): [] __up_console_sem+0x5d/0x80 [ 54.454500] softirqs last enabled at (11306): [] irq_exit_rcu+0x93/0xc0 [ 54.455556] softirqs last disabled at (11279): [] irq_exit_rcu+0x93/0xc0 [ 54.456612] ---[ end trace 0000000000000000 ]--- [ 54.458021] ------------[ cut here ]------------ [ 54.458609] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.460488] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.461575] Modules linked in: [ 54.462018] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.463183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.464227] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.464903] 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 [ 54.467078] RSP: 0018:ffff888020097bf0 EFLAGS: 00010286 [ 54.467757] RAX: 0000000000000000 RBX: ffff88800eb4b640 RCX: 0000000000000000 [ 54.468652] RDX: ffff88801374d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.469541] RBP: ffff88800eb4b654 R08: 0000000000000001 R09: 0000000000000000 [ 54.470442] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.471340] R13: ffffffff84e223a0 R14: ffff88800eb4b648 R15: ffffffff84daf020 [ 54.472243] FS: 0000555557547400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.473242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.473991] CR2: 00007f8ca718d310 CR3: 000000000ee6c000 CR4: 0000000000350ef0 [ 54.474888] Call Trace: [ 54.475236] [ 54.475535] nf_ct_net_init+0x224/0x3d0 [ 54.476089] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.476680] ops_init+0xbb/0x6b0 [ 54.477168] setup_net+0x3d9/0x990 [ 54.477633] ? down_read_killable+0x1d7/0x4e0 [ 54.478240] ? __pfx_setup_net+0x10/0x10 [ 54.478756] ? copy_net_ns+0x17c/0x770 [ 54.479317] copy_net_ns+0x321/0x770 [ 54.479847] create_new_namespaces+0x3f6/0xb30 [ 54.480441] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.481093] ksys_unshare+0x44d/0x8e0 [ 54.481602] ? __pfx_ksys_unshare+0x10/0x10 [ 54.482188] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.482962] __x64_sys_unshare+0x31/0x40 [ 54.483502] do_syscall_64+0x3f/0x90 [ 54.484010] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.484651] RIP: 0033:0x7f69f9cc70d7 [ 54.485151] 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 [ 54.487356] RSP: 002b:00007ffe7916b738 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.488311] RAX: ffffffffffffffda RBX: 00007ffe7916bd78 RCX: 00007f69f9cc70d7 [ 54.489212] RDX: 00007f69f9d3141f RSI: 00007ffe7916b6d0 RDI: 0000000040000000 [ 54.490111] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7916b4e0 [ 54.491001] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f69f9dd9bf0 [ 54.491916] R13: 00007ffe7916b810 R14: 0000000000000000 R15: 00000000000000f8 [ 54.492830] [ 54.493137] irq event stamp: 12609 [ 54.493569] hardirqs last enabled at (12619): [] __up_console_sem+0x78/0x80 [ 54.494636] hardirqs last disabled at (12630): [] __up_console_sem+0x5d/0x80 [ 54.495747] softirqs last enabled at (12234): [] irq_exit_rcu+0x93/0xc0 [ 54.496810] softirqs last disabled at (12229): [] irq_exit_rcu+0x93/0xc0 [ 54.497852] ---[ end trace 0000000000000000 ]--- [ 56.034477] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.082156] Bluetooth: hci0: command 0x041b tx timeout [ 60.130880] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.177880] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:51:57 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880200975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555557547400 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=00007f8ca718d310 CR3=000000000ee6c000 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=000000000003cde5 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=00000202 [-------] 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=00007f8ec5d013c8 CR3=000000000e936000 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=2037303a32353a37312036312079614d XMM01=5d3932333836332e34352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000