Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:8461' (ECDSA) to the list of known hosts. 2023/05/18 00:37:48 fuzzer started 2023/05/18 00:37:48 dialing manager at localhost:44319 2023/05/18 00:37:48 checking machine... 2023/05/18 00:37:48 checking revisions... syzkaller login: [ 44.796966] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:37:48 testing simple program... [ 44.864801] cgroup: Unknown subsys name 'net' [ 44.974976] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.321614] audit: type=1400 audit(1684370281.210:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.464051] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.465566] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.467775] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.473437] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.476377] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.477551] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.883400] ------------[ cut here ]------------ [ 58.884072] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.885680] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.886738] Modules linked in: [ 58.887172] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.889495] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.892107] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.893373] 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 [ 58.895682] RSP: 0018:ffff88801a487c00 EFLAGS: 00010282 [ 58.896408] RAX: 0000000000000000 RBX: ffff88801007c840 RCX: 0000000000000000 [ 58.897463] RDX: ffff888016439b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.898492] RBP: ffff88801007c854 R08: 0000000000000001 R09: 0000000000000000 [ 58.899554] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.900588] R13: ffffffff84e23fe0 R14: ffff88801007c848 R15: ffffffff84d74dc0 [ 58.901624] FS: 000055555627c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.902790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.903640] CR2: 00007f94394136f4 CR3: 0000000019ed4000 CR4: 0000000000350ef0 [ 58.904645] Call Trace: [ 58.905092] [ 58.905422] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.906161] ipv4_frags_init_net+0x269/0x440 [ 58.906817] ops_init+0xbb/0x6b0 [ 58.907376] setup_net+0x3d9/0x990 [ 58.907895] ? down_read_killable+0x1d7/0x4e0 [ 58.908581] ? __pfx_setup_net+0x10/0x10 [ 58.909229] ? copy_net_ns+0x17c/0x770 [ 58.909818] copy_net_ns+0x321/0x770 [ 58.910405] create_new_namespaces+0x3f6/0xb30 [ 58.911096] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.911784] ksys_unshare+0x44d/0x8e0 [ 58.912370] ? __pfx_ksys_unshare+0x10/0x10 [ 58.913049] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.913875] __x64_sys_unshare+0x31/0x40 [ 58.914522] do_syscall_64+0x3f/0x90 [ 58.915121] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.915876] RIP: 0033:0x7f256bfa40d7 [ 58.916452] 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 [ 58.919032] RSP: 002b:00007ffdbdaf1c68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.920113] RAX: ffffffffffffffda RBX: 00007ffdbdaf22a8 RCX: 00007f256bfa40d7 [ 58.921158] RDX: 00007f256c00e41f RSI: 00007ffdbdaf1c00 RDI: 0000000040000000 [ 58.922203] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbdaf1a10 [ 58.923234] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f256c0b6bf0 [ 58.924264] R13: 00007ffdbdaf1d40 R14: 0000000000000000 R15: 00000000000000f8 [ 58.925315] [ 58.925659] irq event stamp: 7507 [ 58.926175] hardirqs last enabled at (7519): [] __up_console_sem+0x78/0x80 [ 58.927393] hardirqs last disabled at (7530): [] __up_console_sem+0x5d/0x80 [ 58.928634] softirqs last enabled at (7060): [] irq_exit_rcu+0x93/0xc0 [ 58.929874] softirqs last disabled at (7055): [] irq_exit_rcu+0x93/0xc0 [ 58.931080] ---[ end trace 0000000000000000 ]--- [ 58.936925] ------------[ cut here ]------------ [ 58.937745] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.939588] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.940821] Modules linked in: [ 58.941322] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.942673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.943833] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.944609] 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 [ 58.947142] RSP: 0018:ffff88801a487c00 EFLAGS: 00010282 [ 58.947884] RAX: 0000000000000000 RBX: ffff88800c4d5040 RCX: 0000000000000000 [ 58.948946] RDX: ffff888016439b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.949988] RBP: ffff88800c4d5054 R08: 0000000000000001 R09: 0000000000000000 [ 58.951042] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.952061] R13: ffffffff84e23fe0 R14: ffff88800c4d5048 R15: ffffffff84da7d60 [ 58.953058] FS: 000055555627c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.954223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.955063] CR2: 00007f94394136f4 CR3: 0000000019ed4000 CR4: 0000000000350ef0 [ 58.956108] Call Trace: [ 58.956475] [ 58.956824] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.957561] ipv6_frags_init_net+0x206/0x3c0 [ 58.958229] ops_init+0xbb/0x6b0 [ 58.958737] setup_net+0x3d9/0x990 [ 58.959286] ? down_read_killable+0x1d7/0x4e0 [ 58.959930] ? __pfx_setup_net+0x10/0x10 [ 58.960547] ? copy_net_ns+0x17c/0x770 [ 58.961176] copy_net_ns+0x321/0x770 [ 58.961745] create_new_namespaces+0x3f6/0xb30 [ 58.962459] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.963212] ksys_unshare+0x44d/0x8e0 [ 58.963781] ? __pfx_ksys_unshare+0x10/0x10 [ 58.964450] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.965293] __x64_sys_unshare+0x31/0x40 [ 58.965881] do_syscall_64+0x3f/0x90 [ 58.966484] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.967257] RIP: 0033:0x7f256bfa40d7 [ 58.967808] 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 [ 58.970315] RSP: 002b:00007ffdbdaf1c68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.971420] RAX: ffffffffffffffda RBX: 00007ffdbdaf22a8 RCX: 00007f256bfa40d7 [ 58.972424] RDX: 00007f256c00e41f RSI: 00007ffdbdaf1c00 RDI: 0000000040000000 [ 58.973471] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbdaf1a10 [ 58.974509] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f256c0b6bf0 [ 58.975516] R13: 00007ffdbdaf1d40 R14: 0000000000000000 R15: 00000000000000f8 [ 58.976568] [ 58.976924] irq event stamp: 9277 [ 58.977452] hardirqs last enabled at (9289): [] __up_console_sem+0x78/0x80 [ 58.978680] hardirqs last disabled at (9300): [] __up_console_sem+0x5d/0x80 [ 58.979903] softirqs last enabled at (8810): [] irq_exit_rcu+0x93/0xc0 [ 58.981094] softirqs last disabled at (8805): [] irq_exit_rcu+0x93/0xc0 [ 58.982279] ---[ end trace 0000000000000000 ]--- [ 58.983709] ------------[ cut here ]------------ [ 58.984427] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.986527] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.987766] Modules linked in: [ 58.988268] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.989619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.990751] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.991523] 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 [ 58.994066] RSP: 0018:ffff88801a487bf0 EFLAGS: 00010286 [ 58.994833] RAX: 0000000000000000 RBX: ffff88800c4d4840 RCX: 0000000000000000 [ 58.995842] RDX: ffff888016439b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.996875] RBP: ffff88800c4d4854 R08: 0000000000000001 R09: 0000000000000000 [ 58.997906] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.998914] R13: ffffffff84e23fe0 R14: ffff88800c4d4848 R15: ffffffff84db0aa0 [ 58.999934] FS: 000055555627c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.001082] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.001862] CR2: 00007f94394136f4 CR3: 0000000019ed4000 CR4: 0000000000350ef0 [ 59.002870] Call Trace: [ 59.003277] [ 59.003627] nf_ct_net_init+0x224/0x3d0 [ 59.004245] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.004921] ops_init+0xbb/0x6b0 [ 59.005449] setup_net+0x3d9/0x990 [ 59.005967] ? down_read_killable+0x1d7/0x4e0 [ 59.006623] ? __pfx_setup_net+0x10/0x10 [ 59.007246] ? copy_net_ns+0x17c/0x770 [ 59.007832] copy_net_ns+0x321/0x770 [ 59.008412] create_new_namespaces+0x3f6/0xb30 [ 59.009134] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.009836] ksys_unshare+0x44d/0x8e0 [ 59.010435] ? __pfx_ksys_unshare+0x10/0x10 [ 59.011095] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.011895] __x64_sys_unshare+0x31/0x40 [ 59.012502] do_syscall_64+0x3f/0x90 [ 59.013114] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.013858] RIP: 0033:0x7f256bfa40d7 [ 59.014427] 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 [ 59.016932] RSP: 002b:00007ffdbdaf1c68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.018033] RAX: ffffffffffffffda RBX: 00007ffdbdaf22a8 RCX: 00007f256bfa40d7 [ 59.019067] RDX: 00007f256c00e41f RSI: 00007ffdbdaf1c00 RDI: 0000000040000000 [ 59.020077] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdbdaf1a10 [ 59.021117] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f256c0b6bf0 [ 59.022119] R13: 00007ffdbdaf1d40 R14: 0000000000000000 R15: 00000000000000f8 [ 59.023175] [ 59.023524] irq event stamp: 10057 [ 59.024068] hardirqs last enabled at (10069): [] __up_console_sem+0x78/0x80 [ 59.025313] hardirqs last disabled at (10080): [] __up_console_sem+0x5d/0x80 [ 59.026531] softirqs last enabled at (9792): [] irq_exit_rcu+0x93/0xc0 [ 59.027719] softirqs last disabled at (9787): [] irq_exit_rcu+0x93/0xc0 [ 59.028914] ---[ end trace 0000000000000000 ]--- executing program [ 60.541718] Bluetooth: hci0: command 0x0409 tx timeout [ 62.589092] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.637078] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.685082] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:38:02 Registers: info registers vcpu 0 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a487618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000064 R11=0000000000000001 R12=0000000000000064 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 000055555627c400 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=00007f94394136f4 CR3=0000000019ed4000 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=0000000080000000 RBX=0000000000000029 RCX=0000000080000000 RDX=ffff88800f2851c0 RSI=ffffffff812fb6e7 RDI=0000000000000001 RBP=0000000000000029 RSP=ffff88800fe178c8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=fffffffffffcb440 R12=ffff888016fff000 R13=0000000000000012 R14=0000000000000800 R15=ffff88800fe17aa8 RIP=ffffffff814be651 RFL=00000246 [---Z-P-] 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 00007f69112e3700 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=00007fc42700a148 CR3=000000000ee52000 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=2032303a38333a30302038312079614d XMM01=5d3539343938382e38352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3539343938382e38352020205b20 XMM07=732032303a38333a3030203831207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000