Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:21238' (ECDSA) to the list of known hosts. 2023/05/17 16:37:51 fuzzer started 2023/05/17 16:37:51 dialing manager at localhost:44319 2023/05/17 16:37:51 checking machine... 2023/05/17 16:37:51 checking revisions... syzkaller login: [ 30.638091] kmemleak: Automatic memory scanning thread ended 2023/05/17 16:37:51 testing simple program... [ 30.713593] cgroup: Unknown subsys name 'net' [ 30.790497] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.495643] audit: type=1400 audit(1684341484.596:6): 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 [ 44.598981] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.600794] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.601753] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.604808] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.607202] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.608891] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.993043] ------------[ cut here ]------------ [ 44.993795] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.995900] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.997254] Modules linked in: [ 44.997742] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.002291] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.003069] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.003566] 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 [ 45.005236] RSP: 0018:ffff88801eebfc00 EFLAGS: 00010282 [ 45.005732] RAX: 0000000000000000 RBX: ffff888018566440 RCX: 0000000000000000 [ 45.006408] RDX: ffff8880175ab680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.007094] RBP: ffff888018566454 R08: 0000000000000001 R09: 0000000000000000 [ 45.007754] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.008470] R13: ffffffff84e23fe0 R14: ffff888018566448 R15: ffffffff84d74dc0 [ 45.009161] FS: 00005555557d1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.009904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.010473] CR2: 00007f863bda36f4 CR3: 00000000164f0000 CR4: 0000000000350ee0 [ 45.011144] Call Trace: [ 45.011393] [ 45.011613] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.012110] ipv4_frags_init_net+0x269/0x440 [ 45.012540] ops_init+0xbb/0x6b0 [ 45.012880] setup_net+0x3d9/0x990 [ 45.013249] ? down_read_killable+0x1d7/0x4e0 [ 45.013688] ? __pfx_setup_net+0x10/0x10 [ 45.014097] ? copy_net_ns+0x17c/0x770 [ 45.014485] copy_net_ns+0x321/0x770 [ 45.014849] create_new_namespaces+0x3f6/0xb30 [ 45.015317] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.015784] ksys_unshare+0x44d/0x8e0 [ 45.016188] ? __pfx_ksys_unshare+0x10/0x10 [ 45.016599] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.017161] __x64_sys_unshare+0x31/0x40 [ 45.017556] do_syscall_64+0x3f/0x90 [ 45.017918] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.018433] RIP: 0033:0x7f1a6f99d0d7 [ 45.018784] 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 [ 45.020472] RSP: 002b:00007ffdc82cb068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.021197] RAX: ffffffffffffffda RBX: 00007ffdc82cb6a8 RCX: 00007f1a6f99d0d7 [ 45.021847] RDX: 00007f1a6fa0741f RSI: 00007ffdc82cb000 RDI: 0000000040000000 [ 45.022517] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc82cae10 [ 45.023184] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a6faafbf0 [ 45.023836] R13: 00007ffdc82cb140 R14: 0000000000000000 R15: 00000000000000f8 [ 45.024532] [ 45.024763] irq event stamp: 7331 [ 45.025109] hardirqs last enabled at (7343): [] __up_console_sem+0x78/0x80 [ 45.025887] hardirqs last disabled at (7352): [] __up_console_sem+0x5d/0x80 [ 45.026681] softirqs last enabled at (6848): [] irq_exit_rcu+0x93/0xc0 [ 45.027461] softirqs last disabled at (6819): [] irq_exit_rcu+0x93/0xc0 [ 45.028251] ---[ end trace 0000000000000000 ]--- [ 45.032244] ------------[ cut here ]------------ [ 45.032698] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.033954] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.034747] Modules linked in: [ 45.035078] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.035971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.036722] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.037233] 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 [ 45.038899] RSP: 0018:ffff88801eebfc00 EFLAGS: 00010282 [ 45.039416] RAX: 0000000000000000 RBX: ffff88800f3ed840 RCX: 0000000000000000 [ 45.040116] RDX: ffff8880175ab680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.040780] RBP: ffff88800f3ed854 R08: 0000000000000001 R09: 0000000000000000 [ 45.041463] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.042145] R13: ffffffff84e23fe0 R14: ffff88800f3ed848 R15: ffffffff84da7d60 [ 45.042821] FS: 00005555557d1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.043592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.044178] CR2: 00007f863bda36f4 CR3: 00000000164f0000 CR4: 0000000000350ee0 [ 45.044848] Call Trace: [ 45.045130] [ 45.045364] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.045845] ipv6_frags_init_net+0x206/0x3c0 [ 45.046305] ops_init+0xbb/0x6b0 [ 45.046658] setup_net+0x3d9/0x990 [ 45.047041] ? down_read_killable+0x1d7/0x4e0 [ 45.047489] ? __pfx_setup_net+0x10/0x10 [ 45.047895] ? copy_net_ns+0x17c/0x770 [ 45.048317] copy_net_ns+0x321/0x770 [ 45.048695] create_new_namespaces+0x3f6/0xb30 [ 45.049176] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.049656] ksys_unshare+0x44d/0x8e0 [ 45.050057] ? __pfx_ksys_unshare+0x10/0x10 [ 45.050483] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.051051] __x64_sys_unshare+0x31/0x40 [ 45.051451] do_syscall_64+0x3f/0x90 [ 45.051813] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.052351] RIP: 0033:0x7f1a6f99d0d7 [ 45.052710] 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 [ 45.054377] RSP: 002b:00007ffdc82cb068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.055104] RAX: ffffffffffffffda RBX: 00007ffdc82cb6a8 RCX: 00007f1a6f99d0d7 [ 45.055769] RDX: 00007f1a6fa0741f RSI: 00007ffdc82cb000 RDI: 0000000040000000 [ 45.056454] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc82cae10 [ 45.057135] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a6faafbf0 [ 45.057797] R13: 00007ffdc82cb140 R14: 0000000000000000 R15: 00000000000000f8 [ 45.058494] [ 45.058723] irq event stamp: 9303 [ 45.059075] hardirqs last enabled at (9315): [] __up_console_sem+0x78/0x80 [ 45.059874] hardirqs last disabled at (9324): [] __up_console_sem+0x5d/0x80 [ 45.060698] softirqs last enabled at (9062): [] irq_exit_rcu+0x93/0xc0 [ 45.061495] softirqs last disabled at (9057): [] irq_exit_rcu+0x93/0xc0 [ 45.062283] ---[ end trace 0000000000000000 ]--- [ 45.063313] ------------[ cut here ]------------ [ 45.063764] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.065259] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.066119] Modules linked in: [ 45.066439] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.067325] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.068116] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.068619] 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 [ 45.070312] RSP: 0018:ffff88801eebfbf0 EFLAGS: 00010286 [ 45.070820] RAX: 0000000000000000 RBX: ffff88801644c040 RCX: 0000000000000000 [ 45.071535] RDX: ffff8880175ab680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.072254] RBP: ffff88801644c054 R08: 0000000000000001 R09: 0000000000000000 [ 45.072961] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.073639] R13: ffffffff84e23fe0 R14: ffff88801644c048 R15: ffffffff84db0aa0 [ 45.074349] FS: 00005555557d1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.075133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.075684] CR2: 00007f863bda36f4 CR3: 00000000164f0000 CR4: 0000000000350ee0 [ 45.076388] Call Trace: [ 45.076640] [ 45.076869] nf_ct_net_init+0x224/0x3d0 [ 45.077287] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.077734] ops_init+0xbb/0x6b0 [ 45.078102] setup_net+0x3d9/0x990 [ 45.078452] ? down_read_killable+0x1d7/0x4e0 [ 45.078888] ? __pfx_setup_net+0x10/0x10 [ 45.079299] ? copy_net_ns+0x17c/0x770 [ 45.079691] copy_net_ns+0x321/0x770 [ 45.080099] create_new_namespaces+0x3f6/0xb30 [ 45.080554] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.081045] ksys_unshare+0x44d/0x8e0 [ 45.081418] ? __pfx_ksys_unshare+0x10/0x10 [ 45.081834] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.082404] __x64_sys_unshare+0x31/0x40 [ 45.082809] do_syscall_64+0x3f/0x90 [ 45.083202] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.083696] RIP: 0033:0x7f1a6f99d0d7 [ 45.084098] 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 [ 45.085783] RSP: 002b:00007ffdc82cb068 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.086507] RAX: ffffffffffffffda RBX: 00007ffdc82cb6a8 RCX: 00007f1a6f99d0d7 [ 45.087179] RDX: 00007f1a6fa0741f RSI: 00007ffdc82cb000 RDI: 0000000040000000 [ 45.087839] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc82cae10 [ 45.088522] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a6faafbf0 [ 45.089196] R13: 00007ffdc82cb140 R14: 0000000000000000 R15: 00000000000000f8 [ 45.089865] [ 45.090115] irq event stamp: 10083 [ 45.090452] hardirqs last enabled at (10093): [] __up_console_sem+0x78/0x80 [ 45.091277] hardirqs last disabled at (10110): [] __up_console_sem+0x5d/0x80 [ 45.092103] softirqs last enabled at (10106): [] irq_exit_rcu+0x93/0xc0 [ 45.092874] softirqs last disabled at (10101): [] irq_exit_rcu+0x93/0xc0 [ 45.093667] ---[ end trace 0000000000000000 ]--- executing program [ 46.627599] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 48.675613] Bluetooth: hci0: command 0x041b tx timeout [ 50.723014] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.771021] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:38:04 Registers: info registers vcpu 0 RAX=000000000002d6e3 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=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 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=00007ff13c036048 CR3=000000000e580000 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=2036303a38333a36312037312079614d XMM01=5d3030393539392e34342020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3030393539392e34342020205b XMM07=79732036303a38333a36312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801eebf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 00005555557d1400 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=00007f863bda36f4 CR3=00000000164f0000 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