Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:64162' (ECDSA) to the list of known hosts. 2023/05/18 00:55:37 fuzzer started 2023/05/18 00:55:38 dialing manager at localhost:44319 2023/05/18 00:55:38 checking machine... 2023/05/18 00:55:38 checking revisions... syzkaller login: [ 43.027493] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:55:38 testing simple program... [ 43.096979] cgroup: Unknown subsys name 'net' [ 43.176520] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.538798] audit: type=1400 audit(1684371351.865:6): 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 [ 57.695653] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.698200] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.699430] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.705054] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.707453] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.708602] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 58.107037] ------------[ cut here ]------------ [ 58.107794] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.109777] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.111036] Modules linked in: [ 58.111448] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.112598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.117130] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.117787] 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 [ 58.120007] RSP: 0018:ffff888020007c00 EFLAGS: 00010282 [ 58.120661] RAX: 0000000000000000 RBX: ffff88800d8e4840 RCX: 0000000000000000 [ 58.121560] RDX: ffff88800fd79b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.122461] RBP: ffff88800d8e4854 R08: 0000000000000001 R09: 0000000000000000 [ 58.123361] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.124257] R13: ffffffff84e23fe0 R14: ffff88800d8e4848 R15: ffffffff84d74dc0 [ 58.125173] FS: 0000555555669400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.126194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.126948] CR2: 00007fa5e2bbed70 CR3: 0000000018570000 CR4: 0000000000350ef0 [ 58.127818] Call Trace: [ 58.128176] [ 58.128476] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.129130] ipv4_frags_init_net+0x269/0x440 [ 58.129698] ops_init+0xbb/0x6b0 [ 58.130206] setup_net+0x3d9/0x990 [ 58.130672] ? down_read_killable+0x1d7/0x4e0 [ 58.131276] ? __pfx_setup_net+0x10/0x10 [ 58.131793] ? copy_net_ns+0x17c/0x770 [ 58.132329] copy_net_ns+0x321/0x770 [ 58.132816] create_new_namespaces+0x3f6/0xb30 [ 58.133437] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.134095] ksys_unshare+0x44d/0x8e0 [ 58.134590] ? __pfx_ksys_unshare+0x10/0x10 [ 58.135169] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.135918] __x64_sys_unshare+0x31/0x40 [ 58.136441] do_syscall_64+0x3f/0x90 [ 58.136954] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.137605] RIP: 0033:0x7fe2ec6ac0d7 [ 58.138125] 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 [ 58.140319] RSP: 002b:00007ffe44604018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.141271] RAX: ffffffffffffffda RBX: 00007ffe44604658 RCX: 00007fe2ec6ac0d7 [ 58.142174] RDX: 00007fe2ec71641f RSI: 00007ffe44603fb0 RDI: 0000000040000000 [ 58.143076] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe44603dc0 [ 58.143966] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe2ec7bebf0 [ 58.144833] R13: 00007ffe446040f0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.145756] [ 58.146099] irq event stamp: 7889 [ 58.146530] hardirqs last enabled at (7899): [] __up_console_sem+0x78/0x80 [ 58.147592] hardirqs last disabled at (7910): [] __up_console_sem+0x5d/0x80 [ 58.148653] softirqs last enabled at (7796): [] irq_exit_rcu+0x93/0xc0 [ 58.149693] softirqs last disabled at (7791): [] irq_exit_rcu+0x93/0xc0 [ 58.150762] ---[ end trace 0000000000000000 ]--- [ 58.155820] ------------[ cut here ]------------ [ 58.156465] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.158221] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.159293] Modules linked in: [ 58.159703] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.160889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.161918] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.162573] 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 [ 58.164756] RSP: 0018:ffff888020007c00 EFLAGS: 00010282 [ 58.165451] RAX: 0000000000000000 RBX: ffff88800b3de040 RCX: 0000000000000000 [ 58.166364] RDX: ffff88800fd79b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.167266] RBP: ffff88800b3de054 R08: 0000000000000001 R09: 0000000000000000 [ 58.168161] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.169055] R13: ffffffff84e23fe0 R14: ffff88800b3de048 R15: ffffffff84da7d60 [ 58.169976] FS: 0000555555669400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.170999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.171718] CR2: 00007fa5e2bbed70 CR3: 0000000018570000 CR4: 0000000000350ef0 [ 58.172631] Call Trace: [ 58.173009] [ 58.173323] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.173985] ipv6_frags_init_net+0x206/0x3c0 [ 58.174568] ops_init+0xbb/0x6b0 [ 58.175060] setup_net+0x3d9/0x990 [ 58.175527] ? down_read_killable+0x1d7/0x4e0 [ 58.176137] ? __pfx_setup_net+0x10/0x10 [ 58.176670] ? copy_net_ns+0x17c/0x770 [ 58.177224] copy_net_ns+0x321/0x770 [ 58.177708] create_new_namespaces+0x3f6/0xb30 [ 58.178356] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.179022] ksys_unshare+0x44d/0x8e0 [ 58.179518] ? __pfx_ksys_unshare+0x10/0x10 [ 58.180100] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.180824] __x64_sys_unshare+0x31/0x40 [ 58.181376] do_syscall_64+0x3f/0x90 [ 58.181862] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.182560] RIP: 0033:0x7fe2ec6ac0d7 [ 58.183060] 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 [ 58.185253] RSP: 002b:00007ffe44604018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.186222] RAX: ffffffffffffffda RBX: 00007ffe44604658 RCX: 00007fe2ec6ac0d7 [ 58.187126] RDX: 00007fe2ec71641f RSI: 00007ffe44603fb0 RDI: 0000000040000000 [ 58.188033] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe44603dc0 [ 58.188936] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe2ec7bebf0 [ 58.189832] R13: 00007ffe446040f0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.190767] [ 58.191106] irq event stamp: 9627 [ 58.191534] hardirqs last enabled at (9637): [] __up_console_sem+0x78/0x80 [ 58.192598] hardirqs last disabled at (9648): [] __up_console_sem+0x5d/0x80 [ 58.193665] softirqs last enabled at (8914): [] irq_exit_rcu+0x93/0xc0 [ 58.194705] softirqs last disabled at (8891): [] irq_exit_rcu+0x93/0xc0 [ 58.195737] ---[ end trace 0000000000000000 ]--- [ 58.197112] ------------[ cut here ]------------ [ 58.197697] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.199576] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.200658] Modules linked in: [ 58.201103] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.202289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.203344] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.204028] 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 [ 58.206243] RSP: 0018:ffff888020007bf0 EFLAGS: 00010286 [ 58.206945] RAX: 0000000000000000 RBX: ffff888010048240 RCX: 0000000000000000 [ 58.207810] RDX: ffff88800fd79b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.208708] RBP: ffff888010048254 R08: 0000000000000001 R09: 0000000000000000 [ 58.209613] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.210540] R13: ffffffff84e23fe0 R14: ffff888010048248 R15: ffffffff84db0aa0 [ 58.211458] FS: 0000555555669400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.212471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.213224] CR2: 00007fa5e2bbed70 CR3: 0000000018570000 CR4: 0000000000350ef0 [ 58.214130] Call Trace: [ 58.214463] [ 58.214764] nf_ct_net_init+0x224/0x3d0 [ 58.215323] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.215940] ops_init+0xbb/0x6b0 [ 58.216393] setup_net+0x3d9/0x990 [ 58.216853] ? down_read_killable+0x1d7/0x4e0 [ 58.217461] ? __pfx_setup_net+0x10/0x10 [ 58.218041] ? copy_net_ns+0x17c/0x770 [ 58.218553] copy_net_ns+0x321/0x770 [ 58.219068] create_new_namespaces+0x3f6/0xb30 [ 58.219657] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.220304] ksys_unshare+0x44d/0x8e0 [ 58.220795] ? __pfx_ksys_unshare+0x10/0x10 [ 58.221394] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.222154] __x64_sys_unshare+0x31/0x40 [ 58.222674] do_syscall_64+0x3f/0x90 [ 58.223181] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.223831] RIP: 0033:0x7fe2ec6ac0d7 [ 58.224325] 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 [ 58.226534] RSP: 002b:00007ffe44604018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.227483] RAX: ffffffffffffffda RBX: 00007ffe44604658 RCX: 00007fe2ec6ac0d7 [ 58.228384] RDX: 00007fe2ec71641f RSI: 00007ffe44603fb0 RDI: 0000000040000000 [ 58.229282] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe44603dc0 [ 58.230188] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe2ec7bebf0 [ 58.231079] R13: 00007ffe446040f0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.231997] [ 58.232297] irq event stamp: 10403 [ 58.232730] hardirqs last enabled at (10413): [] __up_console_sem+0x78/0x80 [ 58.233809] hardirqs last disabled at (10424): [] __up_console_sem+0x5d/0x80 [ 58.234913] softirqs last enabled at (9994): [] irq_exit_rcu+0x93/0xc0 [ 58.235946] softirqs last disabled at (9985): [] irq_exit_rcu+0x93/0xc0 [ 58.236997] ---[ end trace 0000000000000000 ]--- [ 59.775604] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.822971] Bluetooth: hci0: command 0x041b tx timeout [ 63.871924] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.919023] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:55:46 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888020007618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555669400 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=00007fa5e2bbed70 CR3=0000000018570000 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=0000000000044b33 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007fa5e2bbc9e0 CR3=000000000e0a8000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=302b736e5f74656e5f79706f63203f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000