Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:34136' (ECDSA) to the list of known hosts. 2023/05/16 19:39:42 fuzzer started 2023/05/16 19:39:42 dialing manager at localhost:35573 2023/05/16 19:39:42 checking machine... 2023/05/16 19:39:42 checking revisions... syzkaller login: [ 42.816641] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:39:43 testing simple program... [ 42.890480] cgroup: Unknown subsys name 'net' [ 42.978623] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.086162] audit: type=1400 audit(1684265995.340:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 56.225387] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.226893] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.228692] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.233351] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.235069] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.238059] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.602097] ------------[ cut here ]------------ [ 56.602847] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.604927] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.606216] Modules linked in: [ 56.606710] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.611357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.612588] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.613403] 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 [ 56.615679] RSP: 0018:ffff88801f3b7c00 EFLAGS: 00010282 [ 56.616390] RAX: 0000000000000000 RBX: ffff88800e795840 RCX: 0000000000000000 [ 56.617342] RDX: ffff88801871d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.618274] RBP: ffff88800e795854 R08: 0000000000000001 R09: 0000000000000000 [ 56.619219] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.620157] R13: ffffffff84e223a0 R14: ffff88800e795848 R15: ffffffff84d73340 [ 56.621108] FS: 000055555675b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.622171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.622912] CR2: 00007fb90648d6f4 CR3: 0000000020210000 CR4: 0000000000350ee0 [ 56.623837] Call Trace: [ 56.624203] [ 56.624516] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.625195] ipv4_frags_init_net+0x269/0x440 [ 56.625785] ops_init+0xbb/0x6b0 [ 56.626275] setup_net+0x3d9/0x990 [ 56.626738] ? down_read_killable+0x1d7/0x4e0 [ 56.627355] ? __pfx_setup_net+0x10/0x10 [ 56.627884] ? copy_net_ns+0x17c/0x770 [ 56.628433] copy_net_ns+0x321/0x770 [ 56.628948] create_new_namespaces+0x3f6/0xb30 [ 56.629592] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.630265] ksys_unshare+0x44d/0x8e0 [ 56.630789] ? __pfx_ksys_unshare+0x10/0x10 [ 56.631398] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.632183] __x64_sys_unshare+0x31/0x40 [ 56.632733] do_syscall_64+0x3f/0x90 [ 56.633265] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.633937] RIP: 0033:0x7f4e1e0590d7 [ 56.634457] 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 [ 56.636782] RSP: 002b:00007ffe6b253568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.637795] RAX: ffffffffffffffda RBX: 00007ffe6b253ba8 RCX: 00007f4e1e0590d7 [ 56.638728] RDX: 00007f4e1e0c341f RSI: 00007ffe6b253500 RDI: 0000000040000000 [ 56.639654] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6b253310 [ 56.640568] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4e1e16bbf0 [ 56.641496] R13: 00007ffe6b253640 R14: 0000000000000000 R15: 00000000000000f8 [ 56.642437] [ 56.642749] irq event stamp: 7621 [ 56.643236] hardirqs last enabled at (7635): [] __up_console_sem+0x78/0x80 [ 56.644340] hardirqs last disabled at (7646): [] __up_console_sem+0x5d/0x80 [ 56.645448] softirqs last enabled at (7180): [] irq_exit_rcu+0x93/0xc0 [ 56.646521] softirqs last disabled at (7129): [] irq_exit_rcu+0x93/0xc0 [ 56.647591] ---[ end trace 0000000000000000 ]--- [ 56.653130] ------------[ cut here ]------------ [ 56.653760] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.655436] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.656548] Modules linked in: [ 56.656979] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.658222] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.659283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.659955] 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 [ 56.662263] RSP: 0018:ffff88801f3b7c00 EFLAGS: 00010282 [ 56.662942] RAX: 0000000000000000 RBX: ffff888014533e40 RCX: 0000000000000000 [ 56.663872] RDX: ffff88801871d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.664808] RBP: ffff888014533e54 R08: 0000000000000001 R09: 0000000000000000 [ 56.665729] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.666658] R13: ffffffff84e223a0 R14: ffff888014533e48 R15: ffffffff84da62e0 [ 56.667590] FS: 000055555675b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.668647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.669418] CR2: 00007fb90648d6f4 CR3: 0000000020210000 CR4: 0000000000350ee0 [ 56.670343] Call Trace: [ 56.670682] [ 56.671022] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.671652] ipv6_frags_init_net+0x206/0x3c0 [ 56.672264] ops_init+0xbb/0x6b0 [ 56.672728] setup_net+0x3d9/0x990 [ 56.673247] ? down_read_killable+0x1d7/0x4e0 [ 56.673833] ? __pfx_setup_net+0x10/0x10 [ 56.674398] ? copy_net_ns+0x17c/0x770 [ 56.674921] copy_net_ns+0x321/0x770 [ 56.675445] create_new_namespaces+0x3f6/0xb30 [ 56.676074] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.676724] ksys_unshare+0x44d/0x8e0 [ 56.677256] ? __pfx_ksys_unshare+0x10/0x10 [ 56.677824] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.678600] __x64_sys_unshare+0x31/0x40 [ 56.679174] do_syscall_64+0x3f/0x90 [ 56.679665] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.680364] RIP: 0033:0x7f4e1e0590d7 [ 56.680866] 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 [ 56.683129] RSP: 002b:00007ffe6b253568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.684116] RAX: ffffffffffffffda RBX: 00007ffe6b253ba8 RCX: 00007f4e1e0590d7 [ 56.685043] RDX: 00007f4e1e0c341f RSI: 00007ffe6b253500 RDI: 0000000040000000 [ 56.685931] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6b253310 [ 56.686857] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4e1e16bbf0 [ 56.687776] R13: 00007ffe6b253640 R14: 0000000000000000 R15: 00000000000000f8 [ 56.688760] [ 56.689231] irq event stamp: 9337 [ 56.689819] hardirqs last enabled at (9347): [] __up_console_sem+0x78/0x80 [ 56.691306] hardirqs last disabled at (9358): [] __up_console_sem+0x5d/0x80 [ 56.692782] softirqs last enabled at (8874): [] irq_exit_rcu+0x93/0xc0 [ 56.694222] softirqs last disabled at (8869): [] irq_exit_rcu+0x93/0xc0 [ 56.695681] ---[ end trace 0000000000000000 ]--- [ 56.697780] ------------[ cut here ]------------ [ 56.698704] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.701332] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.702805] Modules linked in: [ 56.703427] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.705059] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.706482] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.707562] 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 [ 56.710622] RSP: 0018:ffff88801f3b7bf0 EFLAGS: 00010286 [ 56.711584] RAX: 0000000000000000 RBX: ffff888008d49c40 RCX: 0000000000000000 [ 56.712847] RDX: ffff88801871d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.714122] RBP: ffff888008d49c54 R08: 0000000000000001 R09: 0000000000000000 [ 56.715408] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.716750] R13: ffffffff84e223a0 R14: ffff888008d49c48 R15: ffffffff84daf020 [ 56.717926] FS: 000055555675b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.719214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.720177] CR2: 00007fb90648d6f4 CR3: 0000000020210000 CR4: 0000000000350ee0 [ 56.721382] Call Trace: [ 56.721799] [ 56.722233] nf_ct_net_init+0x224/0x3d0 [ 56.722888] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.723666] ops_init+0xbb/0x6b0 [ 56.724266] setup_net+0x3d9/0x990 [ 56.724853] ? down_read_killable+0x1d7/0x4e0 [ 56.725628] ? __pfx_setup_net+0x10/0x10 [ 56.726324] ? copy_net_ns+0x17c/0x770 [ 56.726968] copy_net_ns+0x321/0x770 [ 56.727621] create_new_namespaces+0x3f6/0xb30 [ 56.728426] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.729258] ksys_unshare+0x44d/0x8e0 [ 56.729897] ? __pfx_ksys_unshare+0x10/0x10 [ 56.730639] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.731586] __x64_sys_unshare+0x31/0x40 [ 56.732281] do_syscall_64+0x3f/0x90 [ 56.732929] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.733796] RIP: 0033:0x7f4e1e0590d7 [ 56.734314] 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 [ 56.736600] RSP: 002b:00007ffe6b253568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.737605] RAX: ffffffffffffffda RBX: 00007ffe6b253ba8 RCX: 00007f4e1e0590d7 [ 56.738549] RDX: 00007f4e1e0c341f RSI: 00007ffe6b253500 RDI: 0000000040000000 [ 56.739497] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6b253310 [ 56.740430] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4e1e16bbf0 [ 56.741387] R13: 00007ffe6b253640 R14: 0000000000000000 R15: 00000000000000f8 [ 56.742340] [ 56.742651] irq event stamp: 10185 [ 56.743142] hardirqs last enabled at (10197): [] __up_console_sem+0x78/0x80 [ 56.744276] hardirqs last disabled at (10208): [] __up_console_sem+0x5d/0x80 [ 56.745429] softirqs last enabled at (9864): [] irq_exit_rcu+0x93/0xc0 [ 56.746522] softirqs last disabled at (9859): [] irq_exit_rcu+0x93/0xc0 [ 56.747608] ---[ end trace 0000000000000000 ]--- executing program [ 58.307711] Bluetooth: hci0: command 0x0409 tx timeout [ 60.355067] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.403056] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.451088] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 19:39:51 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce09b68 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff844e98c7 RDI=ffff88806ce09b74 RBP=0000000000000006 RSP=ffff88806ce09a80 R8 =ffffffff860c72ba R9 =ffffffff860c72be R10=0000000000038001 R11=ffff88806ce09ae0 R12=ffff88806ce09b68 R13=0000000000000000 R14=ffffffff8542a780 R15=ffff888016b172e0 RIP=ffffffff813abe9e 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 =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=00007eff04c1ab80 CR3=000000000e83e000 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=2036353a39333a39312036312079614d XMM01=5d3031373630362e36352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f3b75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 000055555675b400 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=00007fb90648d6f4 CR3=0000000020210000 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