Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:50488' (ECDSA) to the list of known hosts. 2023/05/16 22:55:46 fuzzer started 2023/05/16 22:55:47 dialing manager at localhost:35573 2023/05/16 22:55:47 checking machine... 2023/05/16 22:55:47 checking revisions... syzkaller login: [ 40.194414] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:55:47 testing simple program... [ 40.264716] cgroup: Unknown subsys name 'net' [ 40.341085] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.162389] audit: type=1400 audit(1684277760.141:6): 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 [ 54.311071] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.312931] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.315613] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.318357] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.319832] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.321021] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.684339] ------------[ cut here ]------------ [ 54.685092] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.686921] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.688008] Modules linked in: [ 54.688455] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.693329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.694531] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.695180] 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 [ 54.697550] RSP: 0018:ffff88801fd47c00 EFLAGS: 00010282 [ 54.698235] RAX: 0000000000000000 RBX: ffff888010133440 RCX: 0000000000000000 [ 54.699095] RDX: ffff88800ca3b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.699999] RBP: ffff888010133454 R08: 0000000000000001 R09: 0000000000000000 [ 54.700881] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.701774] R13: ffffffff84e223a0 R14: ffff888010133448 R15: ffffffff84d73340 [ 54.702658] FS: 00005555568da400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.703655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.704391] CR2: 00007f2abf5df6f4 CR3: 0000000015a6a000 CR4: 0000000000350ee0 [ 54.705278] Call Trace: [ 54.705627] [ 54.705929] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.706564] ipv4_frags_init_net+0x269/0x440 [ 54.707120] ops_init+0xbb/0x6b0 [ 54.707590] setup_net+0x3d9/0x990 [ 54.708043] ? down_read_killable+0x1d7/0x4e0 [ 54.708633] ? __pfx_setup_net+0x10/0x10 [ 54.709144] ? copy_net_ns+0x17c/0x770 [ 54.709687] copy_net_ns+0x321/0x770 [ 54.710164] create_new_namespaces+0x3f6/0xb30 [ 54.710781] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.711420] ksys_unshare+0x44d/0x8e0 [ 54.711912] ? __pfx_ksys_unshare+0x10/0x10 [ 54.712484] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.713229] __x64_sys_unshare+0x31/0x40 [ 54.713768] do_syscall_64+0x3f/0x90 [ 54.714274] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.714913] RIP: 0033:0x7f0914a020d7 [ 54.715412] 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 [ 54.717612] RSP: 002b:00007fff05e86f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.718568] RAX: ffffffffffffffda RBX: 00007fff05e87588 RCX: 00007f0914a020d7 [ 54.719445] RDX: 00007f0914a6c41f RSI: 00007fff05e86ee0 RDI: 0000000040000000 [ 54.720335] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff05e86cf0 [ 54.721194] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0914b14bf0 [ 54.722089] R13: 00007fff05e87020 R14: 0000000000000000 R15: 00000000000000f8 [ 54.723014] [ 54.723341] irq event stamp: 9023 [ 54.723771] hardirqs last enabled at (9033): [] __up_console_sem+0x78/0x80 [ 54.724825] hardirqs last disabled at (9044): [] __up_console_sem+0x5d/0x80 [ 54.725907] softirqs last enabled at (8596): [] irq_exit_rcu+0x93/0xc0 [ 54.726938] softirqs last disabled at (8581): [] irq_exit_rcu+0x93/0xc0 [ 54.727979] ---[ end trace 0000000000000000 ]--- [ 54.733074] ------------[ cut here ]------------ [ 54.733726] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.735398] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.736492] Modules linked in: [ 54.736910] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.738107] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.739149] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.739852] 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 [ 54.742081] RSP: 0018:ffff88801fd47c00 EFLAGS: 00010282 [ 54.742792] RAX: 0000000000000000 RBX: ffff88800903a640 RCX: 0000000000000000 [ 54.743693] RDX: ffff88800ca3b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.744613] RBP: ffff88800903a654 R08: 0000000000000001 R09: 0000000000000000 [ 54.745544] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.746438] R13: ffffffff84e223a0 R14: ffff88800903a648 R15: ffffffff84da62e0 [ 54.747334] FS: 00005555568da400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.748365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.749089] CR2: 00007f2abf5df6f4 CR3: 0000000015a6a000 CR4: 0000000000350ee0 [ 54.749995] Call Trace: [ 54.750345] [ 54.750646] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.751281] ipv6_frags_init_net+0x206/0x3c0 [ 54.751842] ops_init+0xbb/0x6b0 [ 54.752320] setup_net+0x3d9/0x990 [ 54.752776] ? down_read_killable+0x1d7/0x4e0 [ 54.753388] ? __pfx_setup_net+0x10/0x10 [ 54.753930] ? copy_net_ns+0x17c/0x770 [ 54.754470] copy_net_ns+0x321/0x770 [ 54.754958] create_new_namespaces+0x3f6/0xb30 [ 54.755573] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.756235] ksys_unshare+0x44d/0x8e0 [ 54.756753] ? __pfx_ksys_unshare+0x10/0x10 [ 54.757356] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.758098] __x64_sys_unshare+0x31/0x40 [ 54.758652] do_syscall_64+0x3f/0x90 [ 54.759141] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.759818] RIP: 0033:0x7f0914a020d7 [ 54.760308] 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 [ 54.762547] RSP: 002b:00007fff05e86f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.763522] RAX: ffffffffffffffda RBX: 00007fff05e87588 RCX: 00007f0914a020d7 [ 54.764422] RDX: 00007f0914a6c41f RSI: 00007fff05e86ee0 RDI: 0000000040000000 [ 54.765313] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff05e86cf0 [ 54.766254] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0914b14bf0 [ 54.767148] R13: 00007fff05e87020 R14: 0000000000000000 R15: 00000000000000f8 [ 54.768086] [ 54.768415] irq event stamp: 10747 [ 54.768864] hardirqs last enabled at (10757): [] __up_console_sem+0x78/0x80 [ 54.769984] hardirqs last disabled at (10768): [] __up_console_sem+0x5d/0x80 [ 54.771084] softirqs last enabled at (10306): [] irq_exit_rcu+0x93/0xc0 [ 54.772139] softirqs last disabled at (10301): [] irq_exit_rcu+0x93/0xc0 [ 54.773187] ---[ end trace 0000000000000000 ]--- [ 54.774534] ------------[ cut here ]------------ [ 54.775118] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.777138] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.778230] Modules linked in: [ 54.778642] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.779810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.780835] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.781538] 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 [ 54.783777] RSP: 0018:ffff88801fd47bf0 EFLAGS: 00010286 [ 54.784495] RAX: 0000000000000000 RBX: ffff888010227a40 RCX: 0000000000000000 [ 54.785423] RDX: ffff88800ca3b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.786344] RBP: ffff888010227a54 R08: 0000000000000001 R09: 0000000000000000 [ 54.787243] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.788120] R13: ffffffff84e223a0 R14: ffff888010227a48 R15: ffffffff84daf020 [ 54.789042] FS: 00005555568da400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.790045] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.790784] CR2: 00007f2abf5df6f4 CR3: 0000000015a6a000 CR4: 0000000000350ee0 [ 54.791675] Call Trace: [ 54.791999] [ 54.792334] nf_ct_net_init+0x224/0x3d0 [ 54.792852] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.793472] ops_init+0xbb/0x6b0 [ 54.793914] setup_net+0x3d9/0x990 [ 54.794394] ? down_read_killable+0x1d7/0x4e0 [ 54.794964] ? __pfx_setup_net+0x10/0x10 [ 54.795501] ? copy_net_ns+0x17c/0x770 [ 54.796010] copy_net_ns+0x321/0x770 [ 54.796514] create_new_namespaces+0x3f6/0xb30 [ 54.797104] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.797757] ksys_unshare+0x44d/0x8e0 [ 54.798271] ? __pfx_ksys_unshare+0x10/0x10 [ 54.798816] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.799565] __x64_sys_unshare+0x31/0x40 [ 54.800080] do_syscall_64+0x3f/0x90 [ 54.800579] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.801244] RIP: 0033:0x7f0914a020d7 [ 54.801738] 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 [ 54.803940] RSP: 002b:00007fff05e86f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.804889] RAX: ffffffffffffffda RBX: 00007fff05e87588 RCX: 00007f0914a020d7 [ 54.805798] RDX: 00007f0914a6c41f RSI: 00007fff05e86ee0 RDI: 0000000040000000 [ 54.806686] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff05e86cf0 [ 54.807572] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f0914b14bf0 [ 54.808457] R13: 00007fff05e87020 R14: 0000000000000000 R15: 00000000000000f8 [ 54.809395] [ 54.809696] irq event stamp: 11565 [ 54.810129] hardirqs last enabled at (11575): [] __up_console_sem+0x78/0x80 [ 54.811217] hardirqs last disabled at (11588): [] __up_console_sem+0x5d/0x80 [ 54.812302] softirqs last enabled at (11472): [] irq_exit_rcu+0x93/0xc0 [ 54.813353] softirqs last disabled at (11467): [] irq_exit_rcu+0x93/0xc0 [ 54.814394] ---[ end trace 0000000000000000 ]--- executing program [ 56.385639] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.432327] Bluetooth: hci0: command 0x041b tx timeout [ 60.481113] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.528333] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:55:58 Registers: info registers vcpu 0 RAX=000000000001f905 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=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 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=00007f854d485070 CR3=000000000dc2c000 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=2031303a36353a32322036312079614d XMM01=5d3535343838362e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fd475f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 00005555568da400 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=00007f2abf5df6f4 CR3=0000000015a6a000 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