Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:19336' (ECDSA) to the list of known hosts. 2023/05/18 10:38:18 fuzzer started 2023/05/18 10:38:18 dialing manager at localhost:44319 2023/05/18 10:38:18 checking machine... 2023/05/18 10:38:18 checking revisions... syzkaller login: [ 44.383531] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:38:18 testing simple program... [ 44.452960] cgroup: Unknown subsys name 'net' [ 44.543126] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.338259] audit: type=1400 audit(1684406312.793:6): 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 [ 59.457688] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.459332] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.461074] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.463649] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.465023] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.466909] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.844188] ------------[ cut here ]------------ [ 59.844971] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.847071] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.848368] Modules linked in: [ 59.848851] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.854115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.855129] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.855809] 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 [ 59.858005] RSP: 0018:ffff88802016fc00 EFLAGS: 00010282 [ 59.858697] RAX: 0000000000000000 RBX: ffff88800e13cc40 RCX: 0000000000000000 [ 59.859601] RDX: ffff88800dae3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.860496] RBP: ffff88800e13cc54 R08: 0000000000000001 R09: 0000000000000000 [ 59.861365] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.862214] R13: ffffffff84e23fe0 R14: ffff88800e13cc48 R15: ffffffff84d74dc0 [ 59.863109] FS: 0000555557369400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.864100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.864841] CR2: 00007ff13fcfe6f4 CR3: 000000000f0b0000 CR4: 0000000000350ef0 [ 59.865724] Call Trace: [ 59.866050] [ 59.866402] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.867023] ipv4_frags_init_net+0x269/0x440 [ 59.867615] ops_init+0xbb/0x6b0 [ 59.868060] setup_net+0x3d9/0x990 [ 59.868545] ? down_read_killable+0x1d7/0x4e0 [ 59.869109] ? __pfx_setup_net+0x10/0x10 [ 59.869657] ? copy_net_ns+0x17c/0x770 [ 59.870164] copy_net_ns+0x321/0x770 [ 59.870687] create_new_namespaces+0x3f6/0xb30 [ 59.871301] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.871955] ksys_unshare+0x44d/0x8e0 [ 59.872483] ? __pfx_ksys_unshare+0x10/0x10 [ 59.873028] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.873777] __x64_sys_unshare+0x31/0x40 [ 59.874286] do_syscall_64+0x3f/0x90 [ 59.874793] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.875468] RIP: 0033:0x7f124f5640d7 [ 59.875934] 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 [ 59.878110] RSP: 002b:00007ffee48abb48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.879124] RAX: ffffffffffffffda RBX: 00007ffee48ac188 RCX: 00007f124f5640d7 [ 59.880018] RDX: 00007f124f5ce41f RSI: 00007ffee48abae0 RDI: 0000000040000000 [ 59.880894] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee48ab8f0 [ 59.882045] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f124f676bf0 [ 59.883135] R13: 00007ffee48abc20 R14: 0000000000000000 R15: 00000000000000f8 [ 59.884032] [ 59.884361] irq event stamp: 8253 [ 59.884788] hardirqs last enabled at (8263): [] __up_console_sem+0x78/0x80 [ 59.885825] hardirqs last disabled at (8274): [] __up_console_sem+0x5d/0x80 [ 59.886871] softirqs last enabled at (8292): [] irq_exit_rcu+0x93/0xc0 [ 59.887906] softirqs last disabled at (8283): [] irq_exit_rcu+0x93/0xc0 [ 59.888919] ---[ end trace 0000000000000000 ]--- [ 59.894929] ------------[ cut here ]------------ [ 59.895553] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.897162] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.898204] Modules linked in: [ 59.898626] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.899778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.900776] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.901441] 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 [ 59.903609] RSP: 0018:ffff88802016fc00 EFLAGS: 00010282 [ 59.904255] RAX: 0000000000000000 RBX: ffff88800d60f040 RCX: 0000000000000000 [ 59.905141] RDX: ffff88800dae3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.906022] RBP: ffff88800d60f054 R08: 0000000000000001 R09: 0000000000000000 [ 59.906898] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.907796] R13: ffffffff84e23fe0 R14: ffff88800d60f048 R15: ffffffff84da7d60 [ 59.908681] FS: 0000555557369400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.909660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.910391] CR2: 00007ff13fcfe6f4 CR3: 000000000f0b0000 CR4: 0000000000350ef0 [ 59.911252] Call Trace: [ 59.911606] [ 59.911900] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.912539] ipv6_frags_init_net+0x206/0x3c0 [ 59.913088] ops_init+0xbb/0x6b0 [ 59.913561] setup_net+0x3d9/0x990 [ 59.914008] ? down_read_killable+0x1d7/0x4e0 [ 59.914594] ? __pfx_setup_net+0x10/0x10 [ 59.915116] ? copy_net_ns+0x17c/0x770 [ 59.915647] copy_net_ns+0x321/0x770 [ 59.916124] create_new_namespaces+0x3f6/0xb30 [ 59.916725] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.917326] ksys_unshare+0x44d/0x8e0 [ 59.917842] ? __pfx_ksys_unshare+0x10/0x10 [ 59.918408] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.919119] __x64_sys_unshare+0x31/0x40 [ 59.919656] do_syscall_64+0x3f/0x90 [ 59.920130] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.920799] RIP: 0033:0x7f124f5640d7 [ 59.921271] 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 [ 59.923440] RSP: 002b:00007ffee48abb48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.924361] RAX: ffffffffffffffda RBX: 00007ffee48ac188 RCX: 00007f124f5640d7 [ 59.925207] RDX: 00007f124f5ce41f RSI: 00007ffee48abae0 RDI: 0000000040000000 [ 59.926088] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee48ab8f0 [ 59.926984] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f124f676bf0 [ 59.927869] R13: 00007ffee48abc20 R14: 0000000000000000 R15: 00000000000000f8 [ 59.928765] [ 59.929059] irq event stamp: 10605 [ 59.929519] hardirqs last enabled at (10617): [] __up_console_sem+0x78/0x80 [ 59.930569] hardirqs last disabled at (10628): [] __up_console_sem+0x5d/0x80 [ 59.931641] softirqs last enabled at (9884): [] irq_exit_rcu+0x93/0xc0 [ 59.932666] softirqs last disabled at (9873): [] irq_exit_rcu+0x93/0xc0 [ 59.933690] ---[ end trace 0000000000000000 ]--- [ 59.935006] ------------[ cut here ]------------ [ 59.935730] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.937647] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.938684] Modules linked in: [ 59.939097] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.940245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.941246] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.941922] 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 [ 59.944064] RSP: 0018:ffff88802016fbf0 EFLAGS: 00010286 [ 59.944746] RAX: 0000000000000000 RBX: ffff88800d60e840 RCX: 0000000000000000 [ 59.945625] RDX: ffff88800dae3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.946509] RBP: ffff88800d60e854 R08: 0000000000000001 R09: 0000000000000000 [ 59.947415] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.948255] R13: ffffffff84e23fe0 R14: ffff88800d60e848 R15: ffffffff84db0aa0 [ 59.949139] FS: 0000555557369400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.950117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.950839] CR2: 00007ff13fcfe6f4 CR3: 000000000f0b0000 CR4: 0000000000350ef0 [ 59.951714] Call Trace: [ 59.952036] [ 59.952365] nf_ct_net_init+0x224/0x3d0 [ 59.952885] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.953476] ops_init+0xbb/0x6b0 [ 59.953917] setup_net+0x3d9/0x990 [ 59.954393] ? down_read_killable+0x1d7/0x4e0 [ 59.954957] ? __pfx_setup_net+0x10/0x10 [ 59.955519] ? copy_net_ns+0x17c/0x770 [ 59.956025] copy_net_ns+0x321/0x770 [ 59.956528] create_new_namespaces+0x3f6/0xb30 [ 59.957101] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.957740] ksys_unshare+0x44d/0x8e0 [ 59.958228] ? __pfx_ksys_unshare+0x10/0x10 [ 59.958799] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.959546] __x64_sys_unshare+0x31/0x40 [ 59.960052] do_syscall_64+0x3f/0x90 [ 59.960553] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.961184] RIP: 0033:0x7f124f5640d7 [ 59.961663] 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 [ 59.963814] RSP: 002b:00007ffee48abb48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.964740] RAX: ffffffffffffffda RBX: 00007ffee48ac188 RCX: 00007f124f5640d7 [ 59.965613] RDX: 00007f124f5ce41f RSI: 00007ffee48abae0 RDI: 0000000040000000 [ 59.966478] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee48ab8f0 [ 59.967362] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f124f676bf0 [ 59.968209] R13: 00007ffee48abc20 R14: 0000000000000000 R15: 00000000000000f8 [ 59.969116] [ 59.969440] irq event stamp: 11405 [ 59.969865] hardirqs last enabled at (11415): [] __up_console_sem+0x78/0x80 [ 59.970913] hardirqs last disabled at (11426): [] __up_console_sem+0x5d/0x80 [ 59.971977] softirqs last enabled at (10966): [] irq_exit_rcu+0x93/0xc0 [ 59.973000] softirqs last disabled at (10961): [] irq_exit_rcu+0x93/0xc0 [ 59.974025] ---[ end trace 0000000000000000 ]--- [ 61.479068] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.527781] Bluetooth: hci0: command 0x041b tx timeout executing program [ 65.575529] Bluetooth: hci0: command 0x040f tx timeout [ 67.622413] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:38:26 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802016f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555557369400 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=00007ff13fcfe6f4 CR3=000000000f0b0000 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=00000000000532b5 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007ff272dbc550 CR3=000000000e5b4000 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=ee785f5e1506f480014842888f26ae30 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=cd662dead2a2fe38000000000013c9a0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=5472213ad8c8fbb300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000002000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000