Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:21660' (ECDSA) to the list of known hosts. 2023/05/18 00:48:37 fuzzer started 2023/05/18 00:48:37 dialing manager at localhost:44319 2023/05/18 00:48:37 checking machine... 2023/05/18 00:48:37 checking revisions... syzkaller login: [ 37.759850] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:48:37 testing simple program... [ 37.827345] cgroup: Unknown subsys name 'net' [ 37.938208] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.741649] audit: type=1400 audit(1684370929.600:6): 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 [ 50.861124] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.862734] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.865763] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.869083] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.870639] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.872056] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.260230] ------------[ cut here ]------------ [ 51.261047] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.263059] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.264351] Modules linked in: [ 51.264912] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.269609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.270635] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.271349] 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 [ 51.273569] RSP: 0018:ffff888015887c00 EFLAGS: 00010282 [ 51.274261] RAX: 0000000000000000 RBX: ffff88800e3ffc40 RCX: 0000000000000000 [ 51.275161] RDX: ffff888010333680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.276062] RBP: ffff88800e3ffc54 R08: 0000000000000001 R09: 0000000000000000 [ 51.276968] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.277870] R13: ffffffff84e23fe0 R14: ffff88800e3ffc48 R15: ffffffff84d74dc0 [ 51.278741] FS: 00005555574c5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.279775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.280506] CR2: 00007fc9c2d7a000 CR3: 0000000008ef8000 CR4: 0000000000350ee0 [ 51.281413] Call Trace: [ 51.281757] [ 51.282090] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.282716] ipv4_frags_init_net+0x269/0x440 [ 51.283313] ops_init+0xbb/0x6b0 [ 51.283760] setup_net+0x3d9/0x990 [ 51.284261] ? down_read_killable+0x1d7/0x4e0 [ 51.284856] ? __pfx_setup_net+0x10/0x10 [ 51.285383] ? copy_net_ns+0x17c/0x770 [ 51.285929] copy_net_ns+0x321/0x770 [ 51.286409] create_new_namespaces+0x3f6/0xb30 [ 51.287023] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.287635] ksys_unshare+0x44d/0x8e0 [ 51.288159] ? __pfx_ksys_unshare+0x10/0x10 [ 51.288707] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.289440] __x64_sys_unshare+0x31/0x40 [ 51.290021] do_syscall_64+0x3f/0x90 [ 51.290500] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.291174] RIP: 0033:0x7f5b73ec50d7 [ 51.291636] 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 [ 51.293857] RSP: 002b:00007ffd50387c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.294784] RAX: ffffffffffffffda RBX: 00007ffd503882d8 RCX: 00007f5b73ec50d7 [ 51.295686] RDX: 00007f5b73f2f41f RSI: 00007ffd50387c30 RDI: 0000000040000000 [ 51.296584] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50387a40 [ 51.297472] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5b73fd7bf0 [ 51.298406] R13: 00007ffd50387d70 R14: 0000000000000000 R15: 00000000000000f8 [ 51.299321] [ 51.299625] irq event stamp: 8093 [ 51.300079] hardirqs last enabled at (8105): [] __up_console_sem+0x78/0x80 [ 51.301125] hardirqs last disabled at (8116): [] __up_console_sem+0x5d/0x80 [ 51.302195] softirqs last enabled at (8002): [] irq_exit_rcu+0x93/0xc0 [ 51.303216] softirqs last disabled at (7997): [] irq_exit_rcu+0x93/0xc0 [ 51.304240] ---[ end trace 0000000000000000 ]--- [ 51.309234] ------------[ cut here ]------------ [ 51.309865] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.311489] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.312549] Modules linked in: [ 51.312980] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.314147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.315163] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.315832] 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 [ 51.318022] RSP: 0018:ffff888015887c00 EFLAGS: 00010282 [ 51.318681] RAX: 0000000000000000 RBX: ffff8880141be240 RCX: 0000000000000000 [ 51.319570] RDX: ffff888010333680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.320455] RBP: ffff8880141be254 R08: 0000000000000001 R09: 0000000000000000 [ 51.321345] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.322244] R13: ffffffff84e23fe0 R14: ffff8880141be248 R15: ffffffff84da7d60 [ 51.323143] FS: 00005555574c5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.324145] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.324884] CR2: 00007fc9c2d7a000 CR3: 0000000008ef8000 CR4: 0000000000350ee0 [ 51.325776] Call Trace: [ 51.326135] [ 51.326440] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.327086] ipv6_frags_init_net+0x206/0x3c0 [ 51.327653] ops_init+0xbb/0x6b0 [ 51.328135] setup_net+0x3d9/0x990 [ 51.328591] ? down_read_killable+0x1d7/0x4e0 [ 51.329189] ? __pfx_setup_net+0x10/0x10 [ 51.329714] ? copy_net_ns+0x17c/0x770 [ 51.330244] copy_net_ns+0x321/0x770 [ 51.330726] create_new_namespaces+0x3f6/0xb30 [ 51.331337] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.331979] ksys_unshare+0x44d/0x8e0 [ 51.332464] ? __pfx_ksys_unshare+0x10/0x10 [ 51.333044] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.333774] __x64_sys_unshare+0x31/0x40 [ 51.334325] do_syscall_64+0x3f/0x90 [ 51.334826] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.335467] RIP: 0033:0x7f5b73ec50d7 [ 51.335954] 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 [ 51.338122] RSP: 002b:00007ffd50387c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.339059] RAX: ffffffffffffffda RBX: 00007ffd503882d8 RCX: 00007f5b73ec50d7 [ 51.339959] RDX: 00007f5b73f2f41f RSI: 00007ffd50387c30 RDI: 0000000040000000 [ 51.340840] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50387a40 [ 51.341706] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5b73fd7bf0 [ 51.342599] R13: 00007ffd50387d70 R14: 0000000000000000 R15: 00000000000000f8 [ 51.343508] [ 51.343840] irq event stamp: 9741 [ 51.344265] hardirqs last enabled at (9751): [] __up_console_sem+0x78/0x80 [ 51.345330] hardirqs last disabled at (9762): [] __up_console_sem+0x5d/0x80 [ 51.346421] softirqs last enabled at (9094): [] irq_exit_rcu+0x93/0xc0 [ 51.347452] softirqs last disabled at (9045): [] irq_exit_rcu+0x93/0xc0 [ 51.348489] ---[ end trace 0000000000000000 ]--- [ 51.349850] ------------[ cut here ]------------ [ 51.350448] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.352334] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.353414] Modules linked in: [ 51.353873] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.355031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.356064] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.356712] 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 [ 51.358891] RSP: 0018:ffff888015887bf0 EFLAGS: 00010286 [ 51.359552] RAX: 0000000000000000 RBX: ffff8880141bec40 RCX: 0000000000000000 [ 51.360459] RDX: ffff888010333680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.361352] RBP: ffff8880141bec54 R08: 0000000000000001 R09: 0000000000000000 [ 51.362254] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.363152] R13: ffffffff84e23fe0 R14: ffff8880141bec48 R15: ffffffff84db0aa0 [ 51.364054] FS: 00005555574c5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.365059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.365834] CR2: 00007fc9c2d7a000 CR3: 0000000008ef8000 CR4: 0000000000350ee0 [ 51.366695] Call Trace: [ 51.367064] [ 51.367367] nf_ct_net_init+0x224/0x3d0 [ 51.367922] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.368490] ops_init+0xbb/0x6b0 [ 51.368974] setup_net+0x3d9/0x990 [ 51.369434] ? down_read_killable+0x1d7/0x4e0 [ 51.370040] ? __pfx_setup_net+0x10/0x10 [ 51.370552] ? copy_net_ns+0x17c/0x770 [ 51.371101] copy_net_ns+0x321/0x770 [ 51.371586] create_new_namespaces+0x3f6/0xb30 [ 51.372206] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.372855] ksys_unshare+0x44d/0x8e0 [ 51.373347] ? __pfx_ksys_unshare+0x10/0x10 [ 51.373940] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.374655] __x64_sys_unshare+0x31/0x40 [ 51.375202] do_syscall_64+0x3f/0x90 [ 51.375680] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.376357] RIP: 0033:0x7f5b73ec50d7 [ 51.376842] 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 [ 51.379026] RSP: 002b:00007ffd50387c98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.379989] RAX: ffffffffffffffda RBX: 00007ffd503882d8 RCX: 00007f5b73ec50d7 [ 51.380902] RDX: 00007f5b73f2f41f RSI: 00007ffd50387c30 RDI: 0000000040000000 [ 51.381762] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd50387a40 [ 51.382651] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5b73fd7bf0 [ 51.383551] R13: 00007ffd50387d70 R14: 0000000000000000 R15: 00000000000000f8 [ 51.384458] [ 51.384756] irq event stamp: 10491 [ 51.385217] hardirqs last enabled at (10503): [] __up_console_sem+0x78/0x80 [ 51.386309] hardirqs last disabled at (10514): [] __up_console_sem+0x5d/0x80 [ 51.387384] softirqs last enabled at (10066): [] irq_exit_rcu+0x93/0xc0 [ 51.388424] softirqs last disabled at (10061): [] irq_exit_rcu+0x93/0xc0 [ 51.389455] ---[ end trace 0000000000000000 ]--- executing program [ 52.884442] Bluetooth: hci0: command 0x0409 tx timeout [ 54.931912] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.979948] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.027882] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:48:49 Registers: info registers vcpu 0 RAX=00000000000291b1 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007fc9c2c76710 CR3=000000000d8cc000 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=2031353a38343a30302038312079614d XMM01=5d3135333436322e31352020205b203a XMM02=646f4d205d3135333436322e31352020 XMM03=6b7a79732031353a38343a3030203831 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3935303336322e31352020205b XMM07=79732031353a38343a30302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880158875f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555574c5400 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=00007fc9c2d7a000 CR3=0000000008ef8000 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