Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:31508' (ECDSA) to the list of known hosts. 2023/05/17 20:55:40 fuzzer started 2023/05/17 20:55:41 dialing manager at localhost:44319 2023/05/17 20:55:41 checking machine... 2023/05/17 20:55:41 checking revisions... syzkaller login: [ 38.677169] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:55:41 testing simple program... [ 38.726501] cgroup: Unknown subsys name 'net' [ 38.800016] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.341777] audit: type=1400 audit(1684356954.008:6): 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 [ 52.514776] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.516799] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.518983] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.521793] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.523915] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.525493] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.952548] ------------[ cut here ]------------ [ 52.953349] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.955892] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.957060] Modules linked in: [ 52.957494] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.962194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.963282] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.964031] 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 [ 52.966323] RSP: 0018:ffff88800f5e7c00 EFLAGS: 00010282 [ 52.967050] RAX: 0000000000000000 RBX: ffff88800ca42840 RCX: 0000000000000000 [ 52.967989] RDX: ffff88800fe73680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.968936] RBP: ffff88800ca42854 R08: 0000000000000001 R09: 0000000000000000 [ 52.969870] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.970822] R13: ffffffff84e23fe0 R14: ffff88800ca42848 R15: ffffffff84d74dc0 [ 52.971816] FS: 0000555556afc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.972884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.973645] CR2: 00007fb3e13a9d90 CR3: 000000001643c000 CR4: 0000000000350ef0 [ 52.974602] Call Trace: [ 52.974982] [ 52.975295] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.976008] ipv4_frags_init_net+0x269/0x440 [ 52.976614] ops_init+0xbb/0x6b0 [ 52.977119] setup_net+0x3d9/0x990 [ 52.977612] ? down_read_killable+0x1d7/0x4e0 [ 52.978247] ? __pfx_setup_net+0x10/0x10 [ 52.978830] ? copy_net_ns+0x17c/0x770 [ 52.979375] copy_net_ns+0x321/0x770 [ 52.980021] create_new_namespaces+0x3f6/0xb30 [ 52.980681] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.981404] ksys_unshare+0x44d/0x8e0 [ 52.981986] ? __pfx_ksys_unshare+0x10/0x10 [ 52.982605] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.983473] __x64_sys_unshare+0x31/0x40 [ 52.984089] do_syscall_64+0x3f/0x90 [ 52.984647] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.985406] RIP: 0033:0x7f097de730d7 [ 52.985969] 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 [ 52.988365] RSP: 002b:00007ffe9397fca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.989373] RAX: ffffffffffffffda RBX: 00007ffe939802e8 RCX: 00007f097de730d7 [ 52.990365] RDX: 00007f097dedd41f RSI: 00007ffe9397fc40 RDI: 0000000040000000 [ 52.991370] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9397fa50 [ 52.992389] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f097df85bf0 [ 52.993416] R13: 00007ffe9397fd80 R14: 0000000000000000 R15: 00000000000000f8 [ 52.994450] [ 52.994825] irq event stamp: 8095 [ 52.995313] hardirqs last enabled at (8105): [] __up_console_sem+0x78/0x80 [ 52.996573] hardirqs last disabled at (8116): [] __up_console_sem+0x5d/0x80 [ 52.997780] softirqs last enabled at (7168): [] netlink_insert+0x187/0x1820 [ 52.998994] softirqs last disabled at (7166): [] release_sock+0x1f/0x1b0 [ 53.000090] ---[ end trace 0000000000000000 ]--- [ 53.006610] ------------[ cut here ]------------ [ 53.007261] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.009565] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.010681] Modules linked in: [ 53.011148] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.012376] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.013446] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.014162] 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 [ 53.016479] RSP: 0018:ffff88800f5e7c00 EFLAGS: 00010282 [ 53.017208] RAX: 0000000000000000 RBX: ffff88800e2bd640 RCX: 0000000000000000 [ 53.018139] RDX: ffff88800fe73680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.019074] RBP: ffff88800e2bd654 R08: 0000000000000001 R09: 0000000000000000 [ 53.020009] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.020944] R13: ffffffff84e23fe0 R14: ffff88800e2bd648 R15: ffffffff84da7d60 [ 53.021893] FS: 0000555556afc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.022951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.023753] CR2: 00007fb3e13a9d90 CR3: 000000001643c000 CR4: 0000000000350ef0 [ 53.024742] Call Trace: [ 53.025101] [ 53.025425] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.026129] ipv6_frags_init_net+0x206/0x3c0 [ 53.026775] ops_init+0xbb/0x6b0 [ 53.027270] setup_net+0x3d9/0x990 [ 53.027830] ? down_read_killable+0x1d7/0x4e0 [ 53.028455] ? __pfx_setup_net+0x10/0x10 [ 53.029045] ? copy_net_ns+0x17c/0x770 [ 53.029601] copy_net_ns+0x321/0x770 [ 53.030173] create_new_namespaces+0x3f6/0xb30 [ 53.030848] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.031534] ksys_unshare+0x44d/0x8e0 [ 53.032105] ? __pfx_ksys_unshare+0x10/0x10 [ 53.032739] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.033565] __x64_sys_unshare+0x31/0x40 [ 53.034194] do_syscall_64+0x3f/0x90 [ 53.034763] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.035498] RIP: 0033:0x7f097de730d7 [ 53.036046] 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 [ 53.038447] RSP: 002b:00007ffe9397fca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.039509] RAX: ffffffffffffffda RBX: 00007ffe939802e8 RCX: 00007f097de730d7 [ 53.040477] RDX: 00007f097dedd41f RSI: 00007ffe9397fc40 RDI: 0000000040000000 [ 53.041464] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9397fa50 [ 53.042446] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f097df85bf0 [ 53.043444] R13: 00007ffe9397fd80 R14: 0000000000000000 R15: 00000000000000f8 [ 53.044444] [ 53.044808] irq event stamp: 10025 [ 53.045291] hardirqs last enabled at (10035): [] __up_console_sem+0x78/0x80 [ 53.046471] hardirqs last disabled at (10046): [] __up_console_sem+0x5d/0x80 [ 53.047657] softirqs last enabled at (9036): [] irq_exit_rcu+0x93/0xc0 [ 53.048850] softirqs last disabled at (9017): [] irq_exit_rcu+0x93/0xc0 [ 53.049990] ---[ end trace 0000000000000000 ]--- [ 53.051593] ------------[ cut here ]------------ [ 53.052417] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.054990] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.056179] Modules linked in: [ 53.056624] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.057894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.059014] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.059802] 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 [ 53.062212] RSP: 0018:ffff88800f5e7bf0 EFLAGS: 00010286 [ 53.062981] RAX: 0000000000000000 RBX: ffff88800e2bce40 RCX: 0000000000000000 [ 53.063990] RDX: ffff88800fe73680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.064977] RBP: ffff88800e2bce54 R08: 0000000000000001 R09: 0000000000000000 [ 53.065970] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.066983] R13: ffffffff84e23fe0 R14: ffff88800e2bce48 R15: ffffffff84db0aa0 [ 53.067979] FS: 0000555556afc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.069097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.069927] CR2: 00007fb3e13a9d90 CR3: 000000001643c000 CR4: 0000000000350ef0 [ 53.070922] Call Trace: [ 53.071290] [ 53.071642] nf_ct_net_init+0x224/0x3d0 [ 53.072247] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.072919] ops_init+0xbb/0x6b0 [ 53.073412] setup_net+0x3d9/0x990 [ 53.073949] ? down_read_killable+0x1d7/0x4e0 [ 53.074579] ? __pfx_setup_net+0x10/0x10 [ 53.075183] ? copy_net_ns+0x17c/0x770 [ 53.075805] copy_net_ns+0x321/0x770 [ 53.076348] create_new_namespaces+0x3f6/0xb30 [ 53.077052] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.077766] ksys_unshare+0x44d/0x8e0 [ 53.078312] ? __pfx_ksys_unshare+0x10/0x10 [ 53.078957] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.079785] __x64_sys_unshare+0x31/0x40 [ 53.080362] do_syscall_64+0x3f/0x90 [ 53.080933] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.081651] RIP: 0033:0x7f097de730d7 [ 53.082206] 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 [ 53.084649] RSP: 002b:00007ffe9397fca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.085715] RAX: ffffffffffffffda RBX: 00007ffe939802e8 RCX: 00007f097de730d7 [ 53.086667] RDX: 00007f097dedd41f RSI: 00007ffe9397fc40 RDI: 0000000040000000 [ 53.087672] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9397fa50 [ 53.088667] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f097df85bf0 [ 53.089668] R13: 00007ffe9397fd80 R14: 0000000000000000 R15: 00000000000000f8 [ 53.090684] [ 53.091057] irq event stamp: 10889 [ 53.091547] hardirqs last enabled at (10899): [] __up_console_sem+0x78/0x80 [ 53.092744] hardirqs last disabled at (10910): [] __up_console_sem+0x5d/0x80 [ 53.093937] softirqs last enabled at (10522): [] irq_exit_rcu+0x93/0xc0 [ 53.095097] softirqs last disabled at (10517): [] irq_exit_rcu+0x93/0xc0 [ 53.096281] ---[ end trace 0000000000000000 ]--- executing program [ 54.595366] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.642777] Bluetooth: hci0: command 0x041b tx timeout [ 58.690848] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.738782] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:55:54 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f5e75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 0000555556afc400 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=00007fb3e13a9d90 CR3=000000001643c000 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=0000000000028f4d 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=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 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=00007fb3e131ee10 CR3=0000000009992000 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=2035353a35353a30322037312079614d XMM01=5d3239383535392e32352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3239383535392e32352020205b XMM07=79732035353a35353a30322037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000