Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:2976' (ECDSA) to the list of known hosts. 2023/05/17 05:54:09 fuzzer started 2023/05/17 05:54:09 dialing manager at localhost:35573 2023/05/17 05:54:09 checking machine... 2023/05/17 05:54:09 checking revisions... syzkaller login: [ 40.498926] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:54:09 testing simple program... [ 40.564541] cgroup: Unknown subsys name 'net' [ 40.640309] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.086933] audit: type=1400 audit(1684302863.223:6): 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 [ 55.260423] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.262109] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.264308] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.266861] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.268710] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.270229] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 55.673212] ------------[ cut here ]------------ [ 55.674440] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.676440] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.677783] Modules linked in: [ 55.678271] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.683180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.684303] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.685014] 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 [ 55.687397] RSP: 0018:ffff88801a1efc00 EFLAGS: 00010282 [ 55.688124] RAX: 0000000000000000 RBX: ffff88800f074c40 RCX: 0000000000000000 [ 55.689088] RDX: ffff88801a620000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.690051] RBP: ffff88800f074c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.691041] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.692057] R13: ffffffff84e223a0 R14: ffff88800f074c48 R15: ffffffff84d73340 [ 55.693052] FS: 00005555558fb400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.694132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.694946] CR2: 00007fe07db1d6f4 CR3: 0000000015bfa000 CR4: 0000000000350ee0 [ 55.695930] Call Trace: [ 55.696291] [ 55.696662] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.697349] ipv4_frags_init_net+0x269/0x440 [ 55.698007] ops_init+0xbb/0x6b0 [ 55.698533] setup_net+0x3d9/0x990 [ 55.699037] ? down_read_killable+0x1d7/0x4e0 [ 55.699703] ? __pfx_setup_net+0x10/0x10 [ 55.700265] ? copy_net_ns+0x17c/0x770 [ 55.700857] copy_net_ns+0x321/0x770 [ 55.701419] create_new_namespaces+0x3f6/0xb30 [ 55.702078] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.702791] ksys_unshare+0x44d/0x8e0 [ 55.703335] ? __pfx_ksys_unshare+0x10/0x10 [ 55.703998] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.704838] __x64_sys_unshare+0x31/0x40 [ 55.705481] do_syscall_64+0x3f/0x90 [ 55.706038] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.706820] RIP: 0033:0x7fb96fc620d7 [ 55.707372] 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 [ 55.709931] RSP: 002b:00007fff164908e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.711051] RAX: ffffffffffffffda RBX: 00007fff16490f28 RCX: 00007fb96fc620d7 [ 55.712135] RDX: 00007fb96fccc41f RSI: 00007fff16490880 RDI: 0000000040000000 [ 55.713126] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff16490690 [ 55.714031] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb96fd74bf0 [ 55.714925] R13: 00007fff164909c0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.715857] [ 55.716159] irq event stamp: 8687 [ 55.716617] hardirqs last enabled at (8699): [] __up_console_sem+0x78/0x80 [ 55.717691] hardirqs last disabled at (8710): [] __up_console_sem+0x5d/0x80 [ 55.718757] softirqs last enabled at (8624): [] irq_exit_rcu+0x93/0xc0 [ 55.719804] softirqs last disabled at (8619): [] irq_exit_rcu+0x93/0xc0 [ 55.720853] ---[ end trace 0000000000000000 ]--- [ 55.727010] ------------[ cut here ]------------ [ 55.727703] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.729532] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.730706] Modules linked in: [ 55.731158] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.732446] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.733572] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.734277] 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 [ 55.736694] RSP: 0018:ffff88801a1efc00 EFLAGS: 00010282 [ 55.737440] RAX: 0000000000000000 RBX: ffff88801627c240 RCX: 0000000000000000 [ 55.738423] RDX: ffff88801a620000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.739369] RBP: ffff88801627c254 R08: 0000000000000001 R09: 0000000000000000 [ 55.740370] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.741333] R13: ffffffff84e223a0 R14: ffff88801627c248 R15: ffffffff84da62e0 [ 55.742318] FS: 00005555558fb400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.743496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.744301] CR2: 00007fe07db1d6f4 CR3: 0000000015bfa000 CR4: 0000000000350ee0 [ 55.745258] Call Trace: [ 55.745636] [ 55.745953] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.746636] ipv6_frags_init_net+0x206/0x3c0 [ 55.747260] ops_init+0xbb/0x6b0 [ 55.747787] setup_net+0x3d9/0x990 [ 55.748288] ? down_read_killable+0x1d7/0x4e0 [ 55.748950] ? __pfx_setup_net+0x10/0x10 [ 55.749547] ? copy_net_ns+0x17c/0x770 [ 55.750106] copy_net_ns+0x321/0x770 [ 55.750680] create_new_namespaces+0x3f6/0xb30 [ 55.751332] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.752048] ksys_unshare+0x44d/0x8e0 [ 55.752630] ? __pfx_ksys_unshare+0x10/0x10 [ 55.753249] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.754066] __x64_sys_unshare+0x31/0x40 [ 55.754675] do_syscall_64+0x3f/0x90 [ 55.755201] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.755957] RIP: 0033:0x7fb96fc620d7 [ 55.756501] 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 [ 55.758904] RSP: 002b:00007fff164908e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.759961] RAX: ffffffffffffffda RBX: 00007fff16490f28 RCX: 00007fb96fc620d7 [ 55.760911] RDX: 00007fb96fccc41f RSI: 00007fff16490880 RDI: 0000000040000000 [ 55.761860] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff16490690 [ 55.762833] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb96fd74bf0 [ 55.763821] R13: 00007fff164909c0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.764834] [ 55.765162] irq event stamp: 10489 [ 55.765670] hardirqs last enabled at (10501): [] __up_console_sem+0x78/0x80 [ 55.766849] hardirqs last disabled at (10512): [] __up_console_sem+0x5d/0x80 [ 55.768047] softirqs last enabled at (10282): [] irq_exit_rcu+0x93/0xc0 [ 55.769200] softirqs last disabled at (10273): [] irq_exit_rcu+0x93/0xc0 [ 55.770361] ---[ end trace 0000000000000000 ]--- [ 55.772621] ------------[ cut here ]------------ [ 55.773267] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.775469] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.776627] Modules linked in: [ 55.777063] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.778324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.779424] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.780099] 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 [ 55.782468] RSP: 0018:ffff88801a1efbf0 EFLAGS: 00010286 [ 55.783129] RAX: 0000000000000000 RBX: ffff88801627ca40 RCX: 0000000000000000 [ 55.784078] RDX: ffff88801a620000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.785037] RBP: ffff88801627ca54 R08: 0000000000000001 R09: 0000000000000000 [ 55.785989] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.786930] R13: ffffffff84e223a0 R14: ffff88801627ca48 R15: ffffffff84daf020 [ 55.787969] FS: 00005555558fb400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.789099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.789957] CR2: 00007fe07db1d6f4 CR3: 0000000015bfa000 CR4: 0000000000350ee0 [ 55.790945] Call Trace: [ 55.791306] [ 55.791684] nf_ct_net_init+0x224/0x3d0 [ 55.792250] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.792885] ops_init+0xbb/0x6b0 [ 55.793366] setup_net+0x3d9/0x990 [ 55.793893] ? down_read_killable+0x1d7/0x4e0 [ 55.794535] ? __pfx_setup_net+0x10/0x10 [ 55.795076] ? copy_net_ns+0x17c/0x770 [ 55.795680] copy_net_ns+0x321/0x770 [ 55.796214] create_new_namespaces+0x3f6/0xb30 [ 55.796884] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.797601] ksys_unshare+0x44d/0x8e0 [ 55.798144] ? __pfx_ksys_unshare+0x10/0x10 [ 55.798787] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.799635] __x64_sys_unshare+0x31/0x40 [ 55.800215] do_syscall_64+0x3f/0x90 [ 55.800781] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.801529] RIP: 0033:0x7fb96fc620d7 [ 55.802050] 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 [ 55.804513] RSP: 002b:00007fff164908e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.805591] RAX: ffffffffffffffda RBX: 00007fff16490f28 RCX: 00007fb96fc620d7 [ 55.806591] RDX: 00007fb96fccc41f RSI: 00007fff16490880 RDI: 0000000040000000 [ 55.807562] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff16490690 [ 55.808583] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb96fd74bf0 [ 55.809545] R13: 00007fff164909c0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.810515] [ 55.810835] irq event stamp: 11279 [ 55.811296] hardirqs last enabled at (11289): [] __up_console_sem+0x78/0x80 [ 55.812466] hardirqs last disabled at (11300): [] __up_console_sem+0x5d/0x80 [ 55.813631] softirqs last enabled at (10774): [] irq_exit_rcu+0x93/0xc0 [ 55.814747] softirqs last disabled at (11321): [] irq_exit_rcu+0x93/0xc0 [ 55.815899] ---[ end trace 0000000000000000 ]--- [ 57.344141] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.390450] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.438435] Bluetooth: hci0: command 0x040f tx timeout [ 63.486461] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:54:21 Registers: info registers vcpu 0 RAX=0000000000023767 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f63c1f33bf0 CR3=0000000016f66000 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=2034323a34353a35302037312079614d XMM01=5d3034343637362e35352020205b203a XMM02=74656e20746120363632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120363632203a4449 XMM06=57205d3034343637362e35352020205b XMM07=79732034323a34353a35302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1ef5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e 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 00005555558fb400 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=00007fe07db1d6f4 CR3=0000000015bfa000 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