Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:58256' (ECDSA) to the list of known hosts. 2023/05/17 08:22:42 fuzzer started 2023/05/17 08:22:43 dialing manager at localhost:35573 2023/05/17 08:22:43 checking machine... 2023/05/17 08:22:43 checking revisions... syzkaller login: [ 50.999935] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:22:43 testing simple program... [ 51.054315] cgroup: Unknown subsys name 'net' [ 51.148152] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 62.517977] audit: type=1400 audit(1684311774.786:6): 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 executing program [ 63.619192] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.620284] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.621692] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.624845] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.625998] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.628018] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 63.944733] ------------[ cut here ]------------ [ 63.945215] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 63.946499] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.947232] Modules linked in: [ 63.947578] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.948424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.951841] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.952322] 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 [ 63.954226] RSP: 0018:ffff88800fd5fc00 EFLAGS: 00010282 [ 63.954833] RAX: 0000000000000000 RBX: ffff88800dc69840 RCX: 0000000000000000 [ 63.955604] RDX: ffff888015ab0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.956251] RBP: ffff88800dc69854 R08: 0000000000000001 R09: 0000000000000000 [ 63.957048] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.957902] R13: ffffffff84e223a0 R14: ffff88800dc69848 R15: ffffffff84d73340 [ 63.958648] FS: 00005555568a4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.959482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.960002] CR2: 00007f31eb9d06f4 CR3: 000000000ece0000 CR4: 0000000000350ef0 [ 63.960815] Call Trace: [ 63.961069] [ 63.961291] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 63.961945] ipv4_frags_init_net+0x269/0x440 [ 63.962457] ops_init+0xbb/0x6b0 [ 63.962803] setup_net+0x3d9/0x990 [ 63.963153] ? down_read_killable+0x1d7/0x4e0 [ 63.963612] ? __pfx_setup_net+0x10/0x10 [ 63.963983] ? copy_net_ns+0x17c/0x770 [ 63.964401] copy_net_ns+0x321/0x770 [ 63.964757] create_new_namespaces+0x3f6/0xb30 [ 63.965197] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.965727] ksys_unshare+0x44d/0x8e0 [ 63.966096] ? __pfx_ksys_unshare+0x10/0x10 [ 63.966533] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.967086] __x64_sys_unshare+0x31/0x40 [ 63.967501] do_syscall_64+0x3f/0x90 [ 63.967854] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.968400] RIP: 0033:0x7f1efbfa80d7 [ 63.968748] 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 [ 63.970355] RSP: 002b:00007ffcb5836be8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.971094] RAX: ffffffffffffffda RBX: 00007ffcb5837228 RCX: 00007f1efbfa80d7 [ 63.971781] RDX: 00007f1efc01241f RSI: 00007ffcb5836b80 RDI: 0000000040000000 [ 63.972441] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb5836990 [ 63.973087] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1efc0babf0 [ 63.973765] R13: 00007ffcb5836cc0 R14: 0000000000000000 R15: 00000000000000f8 [ 63.974457] [ 63.974693] irq event stamp: 8755 [ 63.975024] hardirqs last enabled at (8765): [] __up_console_sem+0x78/0x80 [ 63.975846] hardirqs last disabled at (8776): [] __up_console_sem+0x5d/0x80 [ 63.976698] softirqs last enabled at (8492): [] irq_exit_rcu+0x93/0xc0 [ 63.977500] softirqs last disabled at (8465): [] irq_exit_rcu+0x93/0xc0 [ 63.978248] ---[ end trace 0000000000000000 ]--- [ 63.982799] ------------[ cut here ]------------ [ 63.983277] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 63.984567] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.985366] Modules linked in: [ 63.985672] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.986540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.987281] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.987799] 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 [ 63.989451] RSP: 0018:ffff88800fd5fc00 EFLAGS: 00010282 [ 63.989940] RAX: 0000000000000000 RBX: ffff888008d53640 RCX: 0000000000000000 [ 63.990555] RDX: ffff888015ab0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.991217] RBP: ffff888008d53654 R08: 0000000000000001 R09: 0000000000000000 [ 63.991865] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.992544] R13: ffffffff84e223a0 R14: ffff888008d53648 R15: ffffffff84da62e0 [ 63.993197] FS: 00005555568a4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.993961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.994526] CR2: 00007f31eb9d06f4 CR3: 000000000ece0000 CR4: 0000000000350ef0 [ 63.995159] Call Trace: [ 63.995449] [ 63.995680] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 63.996148] ipv6_frags_init_net+0x206/0x3c0 [ 63.996603] ops_init+0xbb/0x6b0 [ 63.996935] setup_net+0x3d9/0x990 [ 63.997286] ? down_read_killable+0x1d7/0x4e0 [ 63.997736] ? __pfx_setup_net+0x10/0x10 [ 63.998129] ? copy_net_ns+0x17c/0x770 [ 63.998539] copy_net_ns+0x321/0x770 [ 63.998913] create_new_namespaces+0x3f6/0xb30 [ 63.999380] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.999892] ksys_unshare+0x44d/0x8e0 [ 64.000267] ? __pfx_ksys_unshare+0x10/0x10 [ 64.000736] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.001270] __x64_sys_unshare+0x31/0x40 [ 64.001687] do_syscall_64+0x3f/0x90 [ 64.002045] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.002561] RIP: 0033:0x7f1efbfa80d7 [ 64.002929] 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 [ 64.004560] RSP: 002b:00007ffcb5836be8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.005247] RAX: ffffffffffffffda RBX: 00007ffcb5837228 RCX: 00007f1efbfa80d7 [ 64.005915] RDX: 00007f1efc01241f RSI: 00007ffcb5836b80 RDI: 0000000040000000 [ 64.006590] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb5836990 [ 64.007248] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1efc0babf0 [ 64.007908] R13: 00007ffcb5836cc0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.008580] [ 64.008812] irq event stamp: 10567 [ 64.009139] hardirqs last enabled at (10577): [] __up_console_sem+0x78/0x80 [ 64.009946] hardirqs last disabled at (10588): [] __up_console_sem+0x5d/0x80 [ 64.010754] softirqs last enabled at (10478): [] irq_exit_rcu+0x93/0xc0 [ 64.011550] softirqs last disabled at (10473): [] irq_exit_rcu+0x93/0xc0 [ 64.012316] ---[ end trace 0000000000000000 ]--- [ 64.013553] ------------[ cut here ]------------ [ 64.013981] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.015738] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.016555] Modules linked in: [ 64.016874] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.017733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.018492] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.018991] 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 [ 64.020603] RSP: 0018:ffff88800fd5fbf0 EFLAGS: 00010286 [ 64.021089] RAX: 0000000000000000 RBX: ffff888008d52640 RCX: 0000000000000000 [ 64.021755] RDX: ffff888015ab0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.022407] RBP: ffff888008d52654 R08: 0000000000000001 R09: 0000000000000000 [ 64.023054] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.023737] R13: ffffffff84e223a0 R14: ffff888008d52648 R15: ffffffff84daf020 [ 64.024383] FS: 00005555568a4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.025103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.025668] CR2: 00007f31eb9d06f4 CR3: 000000000ece0000 CR4: 0000000000350ef0 [ 64.026301] Call Trace: [ 64.026579] [ 64.026808] nf_ct_net_init+0x224/0x3d0 [ 64.027212] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.027677] ops_init+0xbb/0x6b0 [ 64.028011] setup_net+0x3d9/0x990 [ 64.028382] ? down_read_killable+0x1d7/0x4e0 [ 64.028818] ? __pfx_setup_net+0x10/0x10 [ 64.029193] ? copy_net_ns+0x17c/0x770 [ 64.029604] copy_net_ns+0x321/0x770 [ 64.029967] create_new_namespaces+0x3f6/0xb30 [ 64.030437] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.030918] ksys_unshare+0x44d/0x8e0 [ 64.031295] ? __pfx_ksys_unshare+0x10/0x10 [ 64.031777] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.032312] __x64_sys_unshare+0x31/0x40 [ 64.032738] do_syscall_64+0x3f/0x90 [ 64.033095] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.033601] RIP: 0033:0x7f1efbfa80d7 [ 64.033947] 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 [ 64.035548] RSP: 002b:00007ffcb5836be8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.036238] RAX: ffffffffffffffda RBX: 00007ffcb5837228 RCX: 00007f1efbfa80d7 [ 64.036911] RDX: 00007f1efc01241f RSI: 00007ffcb5836b80 RDI: 0000000040000000 [ 64.037612] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcb5836990 [ 64.038273] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1efc0babf0 [ 64.038963] R13: 00007ffcb5836cc0 R14: 0000000000000000 R15: 00000000000000f8 [ 64.039681] [ 64.039913] irq event stamp: 11437 [ 64.040230] hardirqs last enabled at (11447): [] __up_console_sem+0x78/0x80 [ 64.041027] hardirqs last disabled at (11458): [] __up_console_sem+0x5d/0x80 [ 64.041840] softirqs last enabled at (11472): [] irq_exit_rcu+0x93/0xc0 [ 64.042618] softirqs last disabled at (11467): [] irq_exit_rcu+0x93/0xc0 [ 64.043390] ---[ end trace 0000000000000000 ]--- [ 65.705825] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 67.753440] Bluetooth: hci0: command 0x041b tx timeout executing program [ 69.801396] Bluetooth: hci0: command 0x040f tx timeout [ 71.849419] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:22:48 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fd5f618 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 00005555568a4400 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=00007f31eb9d06f4 CR3=000000000ece0000 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=0000000000021f1f RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f2500065740 CR3=000000000eaa8000 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=2036353a32323a38302037312079614d XMM01=5d3432343834392e33362020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3432343834392e33362020205b20 XMM07=732036353a32323a3830203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000