Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:49122' (ECDSA) to the list of known hosts. 2023/05/16 17:47:48 fuzzer started 2023/05/16 17:47:49 dialing manager at localhost:35573 2023/05/16 17:47:49 checking machine... 2023/05/16 17:47:49 checking revisions... syzkaller login: [ 36.685182] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:47:49 testing simple program... [ 36.751460] cgroup: Unknown subsys name 'net' [ 36.833455] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.358161] audit: type=1400 audit(1684259282.118:6): avc: denied { execmem } for pid=255 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.470250] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.472476] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.474921] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.482912] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.490428] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.491942] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.916564] ------------[ cut here ]------------ [ 50.917416] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.919869] WARNING: CPU: 1 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.921252] Modules linked in: [ 50.921841] CPU: 1 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.926777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.927941] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.928650] 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 [ 50.931106] RSP: 0018:ffff88800fe07c00 EFLAGS: 00010282 [ 50.931871] RAX: 0000000000000000 RBX: ffff88800c62c840 RCX: 0000000000000000 [ 50.932844] RDX: ffff888017ab1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.933875] RBP: ffff88800c62c854 R08: 0000000000000001 R09: 0000000000000000 [ 50.934931] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.935956] R13: ffffffff84e223a0 R14: ffff88800c62c848 R15: ffffffff84d73340 [ 50.936874] FS: 0000555557547400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.937875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.938600] CR2: 00007fef203ff6f4 CR3: 000000001018a000 CR4: 0000000000350ee0 [ 50.939487] Call Trace: [ 50.939842] [ 50.940146] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.940779] ipv4_frags_init_net+0x269/0x440 [ 50.941343] ops_init+0xbb/0x6b0 [ 50.941832] setup_net+0x3d9/0x990 [ 50.942309] ? down_read_killable+0x1d7/0x4e0 [ 50.942901] ? __pfx_setup_net+0x10/0x10 [ 50.943417] ? copy_net_ns+0x17c/0x770 [ 50.943953] copy_net_ns+0x321/0x770 [ 50.944433] create_new_namespaces+0x3f6/0xb30 [ 50.945060] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.945710] ksys_unshare+0x44d/0x8e0 [ 50.946230] ? __pfx_ksys_unshare+0x10/0x10 [ 50.946805] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.947598] __x64_sys_unshare+0x31/0x40 [ 50.948229] do_syscall_64+0x3f/0x90 [ 50.948801] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.949544] RIP: 0033:0x7f656abfd0d7 [ 50.950109] 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 [ 50.952655] RSP: 002b:00007fffce4d4158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.953792] RAX: ffffffffffffffda RBX: 00007fffce4d4798 RCX: 00007f656abfd0d7 [ 50.954828] RDX: 00007f656ac6741f RSI: 00007fffce4d40f0 RDI: 0000000040000000 [ 50.955862] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffce4d3f00 [ 50.956891] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f656ad0fbf0 [ 50.957918] R13: 00007fffce4d4230 R14: 0000000000000000 R15: 00000000000000f8 [ 50.958976] [ 50.959324] irq event stamp: 7913 [ 50.959848] hardirqs last enabled at (7925): [] __up_console_sem+0x78/0x80 [ 50.961064] hardirqs last disabled at (7936): [] __up_console_sem+0x5d/0x80 [ 50.962301] softirqs last enabled at (7388): [] irq_exit_rcu+0x93/0xc0 [ 50.963508] softirqs last disabled at (7383): [] irq_exit_rcu+0x93/0xc0 [ 50.964622] ---[ end trace 0000000000000000 ]--- [ 50.970869] ------------[ cut here ]------------ [ 50.971473] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.973440] WARNING: CPU: 1 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.974511] Modules linked in: [ 50.974949] CPU: 1 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.976112] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.977127] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.977807] 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 [ 50.980071] RSP: 0018:ffff88800fe07c00 EFLAGS: 00010282 [ 50.980857] RAX: 0000000000000000 RBX: ffff88800d88dc40 RCX: 0000000000000000 [ 50.981972] RDX: ffff888017ab1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.983132] RBP: ffff88800d88dc54 R08: 0000000000000001 R09: 0000000000000000 [ 50.984239] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.985329] R13: ffffffff84e223a0 R14: ffff88800d88dc48 R15: ffffffff84da62e0 [ 50.986444] FS: 0000555557547400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.987711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.988569] CR2: 00007fef203ff6f4 CR3: 000000001018a000 CR4: 0000000000350ee0 [ 50.989720] Call Trace: [ 50.990194] [ 50.990580] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.991414] ipv6_frags_init_net+0x206/0x3c0 [ 50.992157] ops_init+0xbb/0x6b0 [ 50.992832] setup_net+0x3d9/0x990 [ 50.993433] ? down_read_killable+0x1d7/0x4e0 [ 50.994376] ? __pfx_setup_net+0x10/0x10 [ 50.995259] ? copy_net_ns+0x17c/0x770 [ 50.996156] copy_net_ns+0x321/0x770 [ 50.996977] create_new_namespaces+0x3f6/0xb30 [ 50.997918] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.998976] ksys_unshare+0x44d/0x8e0 [ 50.999818] ? __pfx_ksys_unshare+0x10/0x10 [ 51.000753] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.001863] __x64_sys_unshare+0x31/0x40 [ 51.002655] do_syscall_64+0x3f/0x90 [ 51.003412] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.004400] RIP: 0033:0x7f656abfd0d7 [ 51.005132] 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 [ 51.007867] RSP: 002b:00007fffce4d4158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.008939] RAX: ffffffffffffffda RBX: 00007fffce4d4798 RCX: 00007f656abfd0d7 [ 51.009936] RDX: 00007f656ac6741f RSI: 00007fffce4d40f0 RDI: 0000000040000000 [ 51.010926] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffce4d3f00 [ 51.011908] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f656ad0fbf0 [ 51.012902] R13: 00007fffce4d4230 R14: 0000000000000000 R15: 00000000000000f8 [ 51.013918] [ 51.014276] irq event stamp: 9871 [ 51.014786] hardirqs last enabled at (9883): [] __up_console_sem+0x78/0x80 [ 51.015957] hardirqs last disabled at (9894): [] __up_console_sem+0x5d/0x80 [ 51.017030] softirqs last enabled at (9778): [] irq_exit_rcu+0x93/0xc0 [ 51.018064] softirqs last disabled at (9773): [] irq_exit_rcu+0x93/0xc0 [ 51.019107] ---[ end trace 0000000000000000 ]--- [ 51.020484] ------------[ cut here ]------------ [ 51.021133] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.023273] WARNING: CPU: 1 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.024328] Modules linked in: [ 51.024760] CPU: 1 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.025896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.026921] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.027556] 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 [ 51.029730] RSP: 0018:ffff88800fe07bf0 EFLAGS: 00010286 [ 51.030404] RAX: 0000000000000000 RBX: ffff88800efe7c40 RCX: 0000000000000000 [ 51.031278] RDX: ffff888017ab1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.032141] RBP: ffff88800efe7c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.033025] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.033893] R13: ffffffff84e223a0 R14: ffff88800efe7c48 R15: ffffffff84daf020 [ 51.034795] FS: 0000555557547400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.035888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.036743] CR2: 00007fef203ff6f4 CR3: 000000001018a000 CR4: 0000000000350ee0 [ 51.037770] Call Trace: [ 51.038150] [ 51.038517] nf_ct_net_init+0x224/0x3d0 [ 51.039155] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.039844] ops_init+0xbb/0x6b0 [ 51.040349] setup_net+0x3d9/0x990 [ 51.040902] ? down_read_killable+0x1d7/0x4e0 [ 51.041558] ? __pfx_setup_net+0x10/0x10 [ 51.042197] ? copy_net_ns+0x17c/0x770 [ 51.042822] copy_net_ns+0x321/0x770 [ 51.043373] create_new_namespaces+0x3f6/0xb30 [ 51.044087] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.044835] ksys_unshare+0x44d/0x8e0 [ 51.045401] ? __pfx_ksys_unshare+0x10/0x10 [ 51.046066] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.046930] __x64_sys_unshare+0x31/0x40 [ 51.047534] do_syscall_64+0x3f/0x90 [ 51.048124] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.048899] RIP: 0033:0x7f656abfd0d7 [ 51.049436] 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 [ 51.051962] RSP: 002b:00007fffce4d4158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.053057] RAX: ffffffffffffffda RBX: 00007fffce4d4798 RCX: 00007f656abfd0d7 [ 51.054075] RDX: 00007f656ac6741f RSI: 00007fffce4d40f0 RDI: 0000000040000000 [ 51.055116] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffce4d3f00 [ 51.056143] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f656ad0fbf0 [ 51.057174] R13: 00007fffce4d4230 R14: 0000000000000000 R15: 00000000000000f8 [ 51.058237] [ 51.058592] irq event stamp: 10741 [ 51.059119] hardirqs last enabled at (10753): [] __up_console_sem+0x78/0x80 [ 51.060342] hardirqs last disabled at (10764): [] __up_console_sem+0x5d/0x80 [ 51.061575] softirqs last enabled at (10400): [] irq_exit_rcu+0x93/0xc0 [ 51.062786] softirqs last disabled at (10395): [] irq_exit_rcu+0x93/0xc0 [ 51.063997] ---[ end trace 0000000000000000 ]--- executing program [ 52.543328] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.590844] Bluetooth: hci0: command 0x041b tx timeout [ 56.638763] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.687815] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:48:03 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=ffff88800f434000 RCX=ffffffff8164f345 RDX=ffff88800bbf8000 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff888016cb7a90 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffff888019b55bd8 R15=ffffffff8493b800 RIP=ffffffff814bf87b RFL=00000202 [-------] 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 00007f2367322700 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=00007f235c02b0e8 CR3=000000000ed36000 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=2033303a38343a37312036312079614d XMM01=5d3134383132392e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fe075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 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 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=00007fef203ff6f4 CR3=000000001018a000 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