Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:55367' (ECDSA) to the list of known hosts. 2023/05/16 15:35:42 fuzzer started 2023/05/16 15:35:42 dialing manager at localhost:35573 2023/05/16 15:35:42 checking machine... 2023/05/16 15:35:42 checking revisions... syzkaller login: [ 47.228320] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:35:43 testing simple program... [ 47.301013] cgroup: Unknown subsys name 'net' [ 47.374484] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.095264] audit: type=1400 audit(1684251354.981:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 60.221860] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.224766] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.227098] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.229939] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.232282] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.233312] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.548100] ------------[ cut here ]------------ [ 60.548861] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.551350] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.552398] Modules linked in: [ 60.552658] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.553455] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.557205] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.557608] 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 [ 60.558969] RSP: 0018:ffff888018327c00 EFLAGS: 00010282 [ 60.559375] RAX: 0000000000000000 RBX: ffff888009b2a440 RCX: 0000000000000000 [ 60.559983] RDX: ffff88800f0051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.560657] RBP: ffff888009b2a454 R08: 0000000000000001 R09: 0000000000000000 [ 60.561360] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.562058] R13: ffffffff84e223a0 R14: ffff888009b2a448 R15: ffffffff84d73340 [ 60.562740] FS: 0000555556414400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.563518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.564124] CR2: 00007f80f4aaa6f4 CR3: 0000000018140000 CR4: 0000000000350ee0 [ 60.564799] Call Trace: [ 60.565072] [ 60.565303] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.565787] ipv4_frags_init_net+0x269/0x440 [ 60.566247] ops_init+0xbb/0x6b0 [ 60.566600] setup_net+0x3d9/0x990 [ 60.566974] ? down_read_killable+0x1d7/0x4e0 [ 60.567426] ? __pfx_setup_net+0x10/0x10 [ 60.567828] ? copy_net_ns+0x17c/0x770 [ 60.568246] copy_net_ns+0x321/0x770 [ 60.568628] create_new_namespaces+0x3f6/0xb30 [ 60.569115] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.569597] ksys_unshare+0x44d/0x8e0 [ 60.570003] ? __pfx_ksys_unshare+0x10/0x10 [ 60.570426] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.571009] __x64_sys_unshare+0x31/0x40 [ 60.571414] do_syscall_64+0x3f/0x90 [ 60.571809] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.572249] RIP: 0033:0x7fb3ce04c0d7 [ 60.572538] 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 [ 60.573895] RSP: 002b:00007ffe718e1f58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.574468] RAX: ffffffffffffffda RBX: 00007ffe718e2598 RCX: 00007fb3ce04c0d7 [ 60.575026] RDX: 00007fb3ce0b641f RSI: 00007ffe718e1ef0 RDI: 0000000040000000 [ 60.575558] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe718e1d00 [ 60.576127] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3ce15ebf0 [ 60.576665] R13: 00007ffe718e2030 R14: 0000000000000000 R15: 00000000000000f8 [ 60.577235] [ 60.577423] irq event stamp: 10487 [ 60.577693] hardirqs last enabled at (10497): [] __up_console_sem+0x78/0x80 [ 60.578367] hardirqs last disabled at (10508): [] __up_console_sem+0x5d/0x80 [ 60.579033] softirqs last enabled at (10052): [] irq_exit_rcu+0x93/0xc0 [ 60.579665] softirqs last disabled at (10037): [] irq_exit_rcu+0x93/0xc0 [ 60.580310] ---[ end trace 0000000000000000 ]--- [ 60.583499] ------------[ cut here ]------------ [ 60.583946] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.584971] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.585604] Modules linked in: [ 60.585856] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.586568] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.587192] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.587593] 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 [ 60.588943] RSP: 0018:ffff888018327c00 EFLAGS: 00010282 [ 60.589355] RAX: 0000000000000000 RBX: ffff88801458f440 RCX: 0000000000000000 [ 60.589905] RDX: ffff88800f0051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.590436] RBP: ffff88801458f454 R08: 0000000000000001 R09: 0000000000000000 [ 60.590997] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.591529] R13: ffffffff84e223a0 R14: ffff88801458f448 R15: ffffffff84da62e0 [ 60.592119] FS: 0000555556414400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.592768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.593258] CR2: 00007f80f4aaa6f4 CR3: 0000000018140000 CR4: 0000000000350ee0 [ 60.593818] Call Trace: [ 60.594051] [ 60.594247] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.594645] ipv6_frags_init_net+0x206/0x3c0 [ 60.595027] ops_init+0xbb/0x6b0 [ 60.595307] setup_net+0x3d9/0x990 [ 60.595595] ? down_read_killable+0x1d7/0x4e0 [ 60.595985] ? __pfx_setup_net+0x10/0x10 [ 60.596310] ? copy_net_ns+0x17c/0x770 [ 60.596631] copy_net_ns+0x321/0x770 [ 60.596963] create_new_namespaces+0x3f6/0xb30 [ 60.597338] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.597734] ksys_unshare+0x44d/0x8e0 [ 60.598073] ? __pfx_ksys_unshare+0x10/0x10 [ 60.598434] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.598917] __x64_sys_unshare+0x31/0x40 [ 60.599250] do_syscall_64+0x3f/0x90 [ 60.599563] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.600001] RIP: 0033:0x7fb3ce04c0d7 [ 60.600301] 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 [ 60.601711] RSP: 002b:00007ffe718e1f58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.602331] RAX: ffffffffffffffda RBX: 00007ffe718e2598 RCX: 00007fb3ce04c0d7 [ 60.602914] RDX: 00007fb3ce0b641f RSI: 00007ffe718e1ef0 RDI: 0000000040000000 [ 60.603469] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe718e1d00 [ 60.604064] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3ce15ebf0 [ 60.604624] R13: 00007ffe718e2030 R14: 0000000000000000 R15: 00000000000000f8 [ 60.605218] [ 60.605412] irq event stamp: 12103 [ 60.605696] hardirqs last enabled at (12113): [] __up_console_sem+0x78/0x80 [ 60.606404] hardirqs last disabled at (12130): [] __up_console_sem+0x5d/0x80 [ 60.607092] softirqs last enabled at (12126): [] irq_exit_rcu+0x93/0xc0 [ 60.607760] softirqs last disabled at (12121): [] irq_exit_rcu+0x93/0xc0 [ 60.608441] ---[ end trace 0000000000000000 ]--- [ 60.609315] ------------[ cut here ]------------ [ 60.609693] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.610970] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.611630] Modules linked in: [ 60.611926] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.612663] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.613313] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.613730] 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 [ 60.615138] RSP: 0018:ffff888018327bf0 EFLAGS: 00010286 [ 60.615556] RAX: 0000000000000000 RBX: ffff88801458ee40 RCX: 0000000000000000 [ 60.616147] RDX: ffff88800f0051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.616703] RBP: ffff88801458ee54 R08: 0000000000000001 R09: 0000000000000000 [ 60.617285] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.617845] R13: ffffffff84e223a0 R14: ffff88801458ee48 R15: ffffffff84daf020 [ 60.618423] FS: 0000555556414400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.619083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.619544] CR2: 00007f80f4aaa6f4 CR3: 0000000018140000 CR4: 0000000000350ee0 [ 60.620140] Call Trace: [ 60.620350] [ 60.620544] nf_ct_net_init+0x224/0x3d0 [ 60.620896] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.621269] ops_init+0xbb/0x6b0 [ 60.621558] setup_net+0x3d9/0x990 [ 60.621849] ? down_read_killable+0x1d7/0x4e0 [ 60.622241] ? __pfx_setup_net+0x10/0x10 [ 60.622570] ? copy_net_ns+0x17c/0x770 [ 60.622914] copy_net_ns+0x321/0x770 [ 60.623227] create_new_namespaces+0x3f6/0xb30 [ 60.623605] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.624045] ksys_unshare+0x44d/0x8e0 [ 60.624366] ? __pfx_ksys_unshare+0x10/0x10 [ 60.624721] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.625202] __x64_sys_unshare+0x31/0x40 [ 60.625541] do_syscall_64+0x3f/0x90 [ 60.625842] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.626283] RIP: 0033:0x7fb3ce04c0d7 [ 60.626591] 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 [ 60.628023] RSP: 002b:00007ffe718e1f58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.628625] RAX: ffffffffffffffda RBX: 00007ffe718e2598 RCX: 00007fb3ce04c0d7 [ 60.629198] RDX: 00007fb3ce0b641f RSI: 00007ffe718e1ef0 RDI: 0000000040000000 [ 60.629759] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe718e1d00 [ 60.630339] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3ce15ebf0 [ 60.630914] R13: 00007ffe718e2030 R14: 0000000000000000 R15: 00000000000000f8 [ 60.631487] [ 60.631687] irq event stamp: 12863 [ 60.631997] hardirqs last enabled at (12875): [] __up_console_sem+0x78/0x80 [ 60.632679] hardirqs last disabled at (12884): [] __up_console_sem+0x5d/0x80 [ 60.633376] softirqs last enabled at (12382): [] irq_exit_rcu+0x93/0xc0 [ 60.634051] softirqs last disabled at (12359): [] irq_exit_rcu+0x93/0xc0 [ 60.634701] ---[ end trace 0000000000000000 ]--- executing program [ 62.295578] Bluetooth: hci0: command 0x0409 tx timeout [ 64.342966] Bluetooth: hci0: command 0x041b tx timeout executing program [ 66.390960] Bluetooth: hci0: command 0x040f tx timeout executing program [ 68.438982] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:35:45 Registers: info registers vcpu 0 RAX=000000000001d271 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=00007fdaebe80240 CR3=000000000e1da000 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=37a75ce003505dbbbb4ebca8ad45c704 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000115620 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=69ad1df3499f7a0800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000028 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018327618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000028 R11=0000000000000001 R12=0000000000000028 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 0000555556414400 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=00007f80f4aaa6f4 CR3=0000000018140000 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