Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:19398' (ECDSA) to the list of known hosts. 2023/05/16 16:59:47 fuzzer started 2023/05/16 16:59:48 dialing manager at localhost:35573 2023/05/16 16:59:48 checking machine... 2023/05/16 16:59:48 checking revisions... syzkaller login: [ 42.419886] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:59:48 testing simple program... [ 42.501001] cgroup: Unknown subsys name 'net' [ 42.581821] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.832971] audit: type=1400 audit(1684256400.755:6): 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 [ 56.004195] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.006391] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.008095] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.010802] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.018632] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.019775] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.397730] ------------[ cut here ]------------ [ 56.398558] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.400384] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.401384] Modules linked in: [ 56.401802] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.403756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.406252] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.407785] 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 [ 56.409967] RSP: 0018:ffff8880147efc00 EFLAGS: 00010282 [ 56.410651] RAX: 0000000000000000 RBX: ffff88800d5a5040 RCX: 0000000000000000 [ 56.411591] RDX: ffff88801672b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.412498] RBP: ffff88800d5a5054 R08: 0000000000000001 R09: 0000000000000000 [ 56.413374] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.414252] R13: ffffffff84e223a0 R14: ffff88800d5a5048 R15: ffffffff84d73340 [ 56.415135] FS: 0000555556ae3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.416164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.416888] CR2: 00007f0ccd3466f4 CR3: 000000001f3a2000 CR4: 0000000000350ee0 [ 56.417792] Call Trace: [ 56.418119] [ 56.418409] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.419056] ipv4_frags_init_net+0x269/0x440 [ 56.419666] ops_init+0xbb/0x6b0 [ 56.420112] setup_net+0x3d9/0x990 [ 56.420592] ? down_read_killable+0x1d7/0x4e0 [ 56.421163] ? __pfx_setup_net+0x10/0x10 [ 56.421698] ? copy_net_ns+0x17c/0x770 [ 56.422203] copy_net_ns+0x321/0x770 [ 56.422711] create_new_namespaces+0x3f6/0xb30 [ 56.423294] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.423968] ksys_unshare+0x44d/0x8e0 [ 56.424484] ? __pfx_ksys_unshare+0x10/0x10 [ 56.425037] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.425779] __x64_sys_unshare+0x31/0x40 [ 56.426295] do_syscall_64+0x3f/0x90 [ 56.426798] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.427474] RIP: 0033:0x7fc9e338b0d7 [ 56.427943] 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 [ 56.430113] RSP: 002b:00007ffcfdb94388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.431061] RAX: ffffffffffffffda RBX: 00007ffcfdb949c8 RCX: 00007fc9e338b0d7 [ 56.431964] RDX: 00007fc9e33f541f RSI: 00007ffcfdb94320 RDI: 0000000040000000 [ 56.432841] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcfdb94130 [ 56.433725] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc9e349dbf0 [ 56.434614] R13: 00007ffcfdb94460 R14: 0000000000000000 R15: 00000000000000f8 [ 56.435531] [ 56.435836] irq event stamp: 9685 [ 56.436251] hardirqs last enabled at (9695): [] __up_console_sem+0x78/0x80 [ 56.437308] hardirqs last disabled at (9706): [] __up_console_sem+0x5d/0x80 [ 56.438358] softirqs last enabled at (9116): [] irq_exit_rcu+0x93/0xc0 [ 56.439376] softirqs last disabled at (9075): [] irq_exit_rcu+0x93/0xc0 [ 56.440408] ---[ end trace 0000000000000000 ]--- [ 56.445605] ------------[ cut here ]------------ [ 56.446206] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.447865] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.448922] Modules linked in: [ 56.449327] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.450456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.451371] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.452029] 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 [ 56.454060] RSP: 0018:ffff8880147efc00 EFLAGS: 00010282 [ 56.454704] RAX: 0000000000000000 RBX: ffff888015bce840 RCX: 0000000000000000 [ 56.455546] RDX: ffff88801672b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.456356] RBP: ffff888015bce854 R08: 0000000000000001 R09: 0000000000000000 [ 56.457186] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.458027] R13: ffffffff84e223a0 R14: ffff888015bce848 R15: ffffffff84da62e0 [ 56.458920] FS: 0000555556ae3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.459940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.460679] CR2: 00007f0ccd3466f4 CR3: 000000001f3a2000 CR4: 0000000000350ee0 [ 56.461551] Call Trace: [ 56.461875] [ 56.462169] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.462811] ipv6_frags_init_net+0x206/0x3c0 [ 56.463371] ops_init+0xbb/0x6b0 [ 56.463843] setup_net+0x3d9/0x990 [ 56.464292] ? down_read_killable+0x1d7/0x4e0 [ 56.464878] ? __pfx_setup_net+0x10/0x10 [ 56.465390] ? copy_net_ns+0x17c/0x770 [ 56.465915] copy_net_ns+0x321/0x770 [ 56.466390] create_new_namespaces+0x3f6/0xb30 [ 56.466995] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.467659] ksys_unshare+0x44d/0x8e0 [ 56.468144] ? __pfx_ksys_unshare+0x10/0x10 [ 56.468720] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.469426] __x64_sys_unshare+0x31/0x40 [ 56.469979] do_syscall_64+0x3f/0x90 [ 56.470473] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.471113] RIP: 0033:0x7fc9e338b0d7 [ 56.471618] 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 [ 56.473783] RSP: 002b:00007ffcfdb94388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.474722] RAX: ffffffffffffffda RBX: 00007ffcfdb949c8 RCX: 00007fc9e338b0d7 [ 56.475625] RDX: 00007fc9e33f541f RSI: 00007ffcfdb94320 RDI: 0000000040000000 [ 56.476520] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcfdb94130 [ 56.477375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc9e349dbf0 [ 56.478249] R13: 00007ffcfdb94460 R14: 0000000000000000 R15: 00000000000000f8 [ 56.479153] [ 56.479493] irq event stamp: 11467 [ 56.479923] hardirqs last enabled at (11477): [] __up_console_sem+0x78/0x80 [ 56.481002] hardirqs last disabled at (11488): [] __up_console_sem+0x5d/0x80 [ 56.482072] softirqs last enabled at (11028): [] irq_exit_rcu+0x93/0xc0 [ 56.483118] softirqs last disabled at (11023): [] irq_exit_rcu+0x93/0xc0 [ 56.484174] ---[ end trace 0000000000000000 ]--- [ 56.485516] ------------[ cut here ]------------ [ 56.486095] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.487963] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.489021] Modules linked in: [ 56.489455] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.490596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.491626] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.492259] 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 [ 56.494410] RSP: 0018:ffff8880147efbf0 EFLAGS: 00010286 [ 56.495089] RAX: 0000000000000000 RBX: ffff888015bcee40 RCX: 0000000000000000 [ 56.495972] RDX: ffff88801672b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.496857] RBP: ffff888015bcee54 R08: 0000000000000001 R09: 0000000000000000 [ 56.497741] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.498628] R13: ffffffff84e223a0 R14: ffff888015bcee48 R15: ffffffff84daf020 [ 56.499536] FS: 0000555556ae3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.500524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.501232] CR2: 00007f0ccd3466f4 CR3: 000000001f3a2000 CR4: 0000000000350ee0 [ 56.502106] Call Trace: [ 56.502456] [ 56.502753] nf_ct_net_init+0x224/0x3d0 [ 56.503257] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.503865] ops_init+0xbb/0x6b0 [ 56.504310] setup_net+0x3d9/0x990 [ 56.504789] ? down_read_killable+0x1d7/0x4e0 [ 56.505347] ? __pfx_setup_net+0x10/0x10 [ 56.505883] ? copy_net_ns+0x17c/0x770 [ 56.506385] copy_net_ns+0x321/0x770 [ 56.506895] create_new_namespaces+0x3f6/0xb30 [ 56.507526] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.508144] ksys_unshare+0x44d/0x8e0 [ 56.508664] ? __pfx_ksys_unshare+0x10/0x10 [ 56.509203] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.509942] __x64_sys_unshare+0x31/0x40 [ 56.510479] do_syscall_64+0x3f/0x90 [ 56.510950] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.511631] RIP: 0033:0x7fc9e338b0d7 [ 56.512097] 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 [ 56.514279] RSP: 002b:00007ffcfdb94388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.515232] RAX: ffffffffffffffda RBX: 00007ffcfdb949c8 RCX: 00007fc9e338b0d7 [ 56.516155] RDX: 00007fc9e33f541f RSI: 00007ffcfdb94320 RDI: 0000000040000000 [ 56.517045] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcfdb94130 [ 56.517926] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc9e349dbf0 [ 56.518812] R13: 00007ffcfdb94460 R14: 0000000000000000 R15: 00000000000000f8 [ 56.519735] [ 56.520038] irq event stamp: 12267 [ 56.520509] hardirqs last enabled at (12279): [] __up_console_sem+0x78/0x80 [ 56.521571] hardirqs last disabled at (12290): [] __up_console_sem+0x5d/0x80 [ 56.522629] softirqs last enabled at (12192): [] irq_exit_rcu+0x93/0xc0 [ 56.523678] softirqs last disabled at (12187): [] irq_exit_rcu+0x93/0xc0 [ 56.524716] ---[ end trace 0000000000000000 ]--- executing program [ 58.082248] Bluetooth: hci0: command 0x0409 tx timeout [ 60.130609] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.177526] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.225535] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:59:56 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff85d35b70 RCX=ffffffff812d7eaa RDX=0000000000000000 RSI=0000000000000008 RDI=ffff888016dcdbac RBP=1ffff11002dc8ed7 RSP=ffff888016e476a8 R8 =0000000000000001 R9 =fffffbfff0ba6942 R10=ffffffff85d34a17 R11=0000000000000000 R12=ffff888016a80748 R13=ffffffff81b422a7 R14=ffff888016dcd1c0 R15=ffff888016e478a8 RIP=ffffffff812d7f2d RFL=00000213 [----A-C] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fccf3f15900 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=00007fccf34130a8 CR3=0000000015f3a000 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=5837fe9dc1c91f3200000000000ae618 XMM01=6cb215c5d2a0ec834c405b3992217050 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000113070 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4d511bacfbe4499000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880147ef5e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 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 0000555556ae3400 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=00007f0ccd3466f4 CR3=000000001f3a2000 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