Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:65485' (ECDSA) to the list of known hosts. 2023/05/17 06:39:57 fuzzer started 2023/05/17 06:39:58 dialing manager at localhost:35573 2023/05/17 06:39:58 checking machine... 2023/05/17 06:39:58 checking revisions... syzkaller login: [ 79.888853] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:39:58 testing simple program... [ 79.961089] cgroup: Unknown subsys name 'net' [ 80.040942] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 93.358716] audit: type=1400 audit(1684305611.807:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 94.503805] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.505614] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.507981] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.511909] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.521524] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 94.523459] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 94.924656] ------------[ cut here ]------------ [ 94.925516] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 94.927299] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 94.928444] Modules linked in: [ 94.928880] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 94.933834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 94.934928] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 94.935632] 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 [ 94.937953] RSP: 0018:ffff88801cfdfc00 EFLAGS: 00010282 [ 94.938639] RAX: 0000000000000000 RBX: ffff888006bf7840 RCX: 0000000000000000 [ 94.939512] RDX: ffff8880183a1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 94.940385] RBP: ffff888006bf7854 R08: 0000000000000001 R09: 0000000000000000 [ 94.941272] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 94.942116] R13: ffffffff84e223a0 R14: ffff888006bf7848 R15: ffffffff84d73340 [ 94.943000] FS: 00005555565d9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 94.943983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.944719] CR2: 00007f94118616f4 CR3: 0000000016be6000 CR4: 0000000000350ee0 [ 94.945628] Call Trace: [ 94.945953] [ 94.946285] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 94.946929] ipv4_frags_init_net+0x269/0x440 [ 94.947539] ops_init+0xbb/0x6b0 [ 94.948005] setup_net+0x3d9/0x990 [ 94.948513] ? down_read_killable+0x1d7/0x4e0 [ 94.949128] ? __pfx_setup_net+0x10/0x10 [ 94.949689] ? copy_net_ns+0x17c/0x770 [ 94.950252] copy_net_ns+0x321/0x770 [ 94.950751] create_new_namespaces+0x3f6/0xb30 [ 94.951383] unshare_nsproxy_namespaces+0xc1/0x200 [ 94.952011] ksys_unshare+0x44d/0x8e0 [ 94.952549] ? __pfx_ksys_unshare+0x10/0x10 [ 94.953130] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 94.953892] __x64_sys_unshare+0x31/0x40 [ 94.954453] do_syscall_64+0x3f/0x90 [ 94.954932] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 94.955632] RIP: 0033:0x7f13f53da0d7 [ 94.956116] 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 [ 94.958356] RSP: 002b:00007ffdffc0ed28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 94.959372] RAX: ffffffffffffffda RBX: 00007ffdffc0f368 RCX: 00007f13f53da0d7 [ 94.960331] RDX: 00007f13f544441f RSI: 00007ffdffc0ecc0 RDI: 0000000040000000 [ 94.961283] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdffc0ead0 [ 94.962188] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f13f54ecbf0 [ 94.963134] R13: 00007ffdffc0ee00 R14: 0000000000000000 R15: 00000000000000f8 [ 94.964102] [ 94.964441] irq event stamp: 8271 [ 94.964924] hardirqs last enabled at (8281): [] __up_console_sem+0x78/0x80 [ 94.966016] hardirqs last disabled at (8292): [] __up_console_sem+0x5d/0x80 [ 94.967117] softirqs last enabled at (7754): [] irq_exit_rcu+0x93/0xc0 [ 94.968232] softirqs last disabled at (7749): [] irq_exit_rcu+0x93/0xc0 [ 94.969330] ---[ end trace 0000000000000000 ]--- [ 94.975289] ------------[ cut here ]------------ [ 94.975932] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 94.977815] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 94.978949] Modules linked in: [ 94.979399] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 94.980623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 94.981715] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 94.982415] 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 [ 94.984704] RSP: 0018:ffff88801cfdfc00 EFLAGS: 00010282 [ 94.985429] RAX: 0000000000000000 RBX: ffff88800e2af840 RCX: 0000000000000000 [ 94.986345] RDX: ffff8880183a1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 94.987263] RBP: ffff88800e2af854 R08: 0000000000000001 R09: 0000000000000000 [ 94.988141] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 94.989061] R13: ffffffff84e223a0 R14: ffff88800e2af848 R15: ffffffff84da62e0 [ 94.989990] FS: 00005555565d9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 94.991022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.991773] CR2: 00007f94118616f4 CR3: 0000000016be6000 CR4: 0000000000350ee0 [ 94.992679] Call Trace: [ 94.993019] [ 94.993352] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 94.993967] ipv6_frags_init_net+0x206/0x3c0 [ 94.994581] ops_init+0xbb/0x6b0 [ 94.995034] setup_net+0x3d9/0x990 [ 94.995525] ? down_read_killable+0x1d7/0x4e0 [ 94.996100] ? __pfx_setup_net+0x10/0x10 [ 94.996643] ? copy_net_ns+0x17c/0x770 [ 94.997197] copy_net_ns+0x321/0x770 [ 94.997748] create_new_namespaces+0x3f6/0xb30 [ 94.998398] unshare_nsproxy_namespaces+0xc1/0x200 [ 94.999068] ksys_unshare+0x44d/0x8e0 [ 94.999617] ? __pfx_ksys_unshare+0x10/0x10 [ 95.000197] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 95.001002] __x64_sys_unshare+0x31/0x40 [ 95.001576] do_syscall_64+0x3f/0x90 [ 95.002077] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 95.002786] RIP: 0033:0x7f13f53da0d7 [ 95.003307] 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 [ 95.005565] RSP: 002b:00007ffdffc0ed28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 95.006554] RAX: ffffffffffffffda RBX: 00007ffdffc0f368 RCX: 00007f13f53da0d7 [ 95.007469] RDX: 00007f13f544441f RSI: 00007ffdffc0ecc0 RDI: 0000000040000000 [ 95.008393] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdffc0ead0 [ 95.009350] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f13f54ecbf0 [ 95.010274] R13: 00007ffdffc0ee00 R14: 0000000000000000 R15: 00000000000000f8 [ 95.011199] [ 95.011544] irq event stamp: 10075 [ 95.011992] hardirqs last enabled at (10085): [] __up_console_sem+0x78/0x80 [ 95.013133] hardirqs last disabled at (10096): [] __up_console_sem+0x5d/0x80 [ 95.014260] softirqs last enabled at (9802): [] irq_exit_rcu+0x93/0xc0 [ 95.015343] softirqs last disabled at (9793): [] irq_exit_rcu+0x93/0xc0 [ 95.016409] ---[ end trace 0000000000000000 ]--- [ 95.017974] ------------[ cut here ]------------ [ 95.018732] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 95.020914] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 95.022133] Modules linked in: [ 95.022630] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 95.023948] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 95.025125] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 95.025881] 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 [ 95.028405] RSP: 0018:ffff88801cfdfbf0 EFLAGS: 00010286 [ 95.029168] RAX: 0000000000000000 RBX: ffff88800e2afe40 RCX: 0000000000000000 [ 95.030197] RDX: ffff8880183a1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 95.031241] RBP: ffff88800e2afe54 R08: 0000000000000001 R09: 0000000000000000 [ 95.032276] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 95.033327] R13: ffffffff84e223a0 R14: ffff88800e2afe48 R15: ffffffff84daf020 [ 95.034345] FS: 00005555565d9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 95.035470] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.036299] CR2: 00007f94118616f4 CR3: 0000000016be6000 CR4: 0000000000350ee0 [ 95.037306] Call Trace: [ 95.037681] [ 95.038035] nf_ct_net_init+0x224/0x3d0 [ 95.038677] ? __pfx_nf_ct_net_init+0x10/0x10 [ 95.039382] ops_init+0xbb/0x6b0 [ 95.039909] setup_net+0x3d9/0x990 [ 95.040485] ? down_read_killable+0x1d7/0x4e0 [ 95.041174] ? __pfx_setup_net+0x10/0x10 [ 95.041801] ? copy_net_ns+0x17c/0x770 [ 95.042429] copy_net_ns+0x321/0x770 [ 95.042984] create_new_namespaces+0x3f6/0xb30 [ 95.043709] unshare_nsproxy_namespaces+0xc1/0x200 [ 95.044450] ksys_unshare+0x44d/0x8e0 [ 95.045031] ? __pfx_ksys_unshare+0x10/0x10 [ 95.045711] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 95.046590] __x64_sys_unshare+0x31/0x40 [ 95.047181] do_syscall_64+0x3f/0x90 [ 95.047752] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 95.048538] RIP: 0033:0x7f13f53da0d7 [ 95.049094] 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 [ 95.051649] RSP: 002b:00007ffdffc0ed28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 95.052747] RAX: ffffffffffffffda RBX: 00007ffdffc0f368 RCX: 00007f13f53da0d7 [ 95.053800] RDX: 00007f13f544441f RSI: 00007ffdffc0ecc0 RDI: 0000000040000000 [ 95.054817] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdffc0ead0 [ 95.055812] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f13f54ecbf0 [ 95.056806] R13: 00007ffdffc0ee00 R14: 0000000000000000 R15: 00000000000000f8 [ 95.057876] [ 95.058210] irq event stamp: 10865 [ 95.058734] hardirqs last enabled at (10877): [] __up_console_sem+0x78/0x80 [ 95.059921] hardirqs last disabled at (10888): [] __up_console_sem+0x5d/0x80 [ 95.061115] softirqs last enabled at (10772): [] irq_exit_rcu+0x93/0xc0 [ 95.062287] softirqs last disabled at (10767): [] irq_exit_rcu+0x93/0xc0 [ 95.063480] ---[ end trace 0000000000000000 ]--- [ 96.587170] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 98.634328] Bluetooth: hci0: command 0x041b tx timeout [ 100.682343] Bluetooth: hci0: command 0x040f tx timeout executing program [ 102.730303] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:39:30 Registers: info registers vcpu 0 RAX=000000000002c021 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f6dace7d290 CR3=000000000d7de000 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=2033313a30343a36302037312079614d XMM01=5d3939323732392e34392020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3939323732392e34392020205b XMM07=79732033313a30343a36302037312079 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=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801cfdf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555565d9400 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=00007f94118616f4 CR3=0000000016be6000 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