Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:44475' (ECDSA) to the list of known hosts. 2023/05/16 23:13:30 fuzzer started 2023/05/16 23:13:30 dialing manager at localhost:35573 2023/05/16 23:13:30 checking machine... 2023/05/16 23:13:30 checking revisions... syzkaller login: [ 45.316686] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:13:30 testing simple program... [ 45.390748] cgroup: Unknown subsys name 'net' [ 45.478064] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.256886] audit: type=1400 audit(1684278823.822:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.347851] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.350785] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.352142] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.355400] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.357088] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.359782] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.758128] ------------[ cut here ]------------ [ 59.758806] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.760804] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.761858] Modules linked in: [ 59.762342] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.766865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.767880] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.768561] 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 [ 59.770765] RSP: 0018:ffff888017f3fc00 EFLAGS: 00010282 [ 59.771449] RAX: 0000000000000000 RBX: ffff88800b96ac40 RCX: 0000000000000000 [ 59.772348] RDX: ffff88800df9d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.773257] RBP: ffff88800b96ac54 R08: 0000000000000001 R09: 0000000000000000 [ 59.774117] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.775011] R13: ffffffff84e223a0 R14: ffff88800b96ac48 R15: ffffffff84d73340 [ 59.775891] FS: 0000555555c92400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.776913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.777652] CR2: 00007fe302cff6f4 CR3: 000000000df06000 CR4: 0000000000350ee0 [ 59.778544] Call Trace: [ 59.778865] [ 59.779190] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.779797] ipv4_frags_init_net+0x269/0x440 [ 59.780377] ops_init+0xbb/0x6b0 [ 59.780830] setup_net+0x3d9/0x990 [ 59.781311] ? down_read_killable+0x1d7/0x4e0 [ 59.781869] ? __pfx_setup_net+0x10/0x10 [ 59.782406] ? copy_net_ns+0x17c/0x770 [ 59.782908] copy_net_ns+0x321/0x770 [ 59.783416] create_new_namespaces+0x3f6/0xb30 [ 59.783996] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.784647] ksys_unshare+0x44d/0x8e0 [ 59.785185] ? __pfx_ksys_unshare+0x10/0x10 [ 59.785736] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.786477] __x64_sys_unshare+0x31/0x40 [ 59.786987] do_syscall_64+0x3f/0x90 [ 59.787496] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.788136] RIP: 0033:0x7eff374f90d7 [ 59.788626] 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 [ 59.790794] RSP: 002b:00007ffe9b012318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.791733] RAX: ffffffffffffffda RBX: 00007ffe9b012958 RCX: 00007eff374f90d7 [ 59.792620] RDX: 00007eff3756341f RSI: 00007ffe9b0122b0 RDI: 0000000040000000 [ 59.793510] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9b0120c0 [ 59.794394] R10: 0000000000000000 R11: 0000000000000206 R12: 00007eff3760bbf0 [ 59.795265] R13: 00007ffe9b0123f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.796146] [ 59.796480] irq event stamp: 8449 [ 59.796919] hardirqs last enabled at (8459): [] __up_console_sem+0x78/0x80 [ 59.797971] hardirqs last disabled at (8470): [] __up_console_sem+0x5d/0x80 [ 59.799022] softirqs last enabled at (8022): [] irq_exit_rcu+0x93/0xc0 [ 59.800048] softirqs last disabled at (8017): [] irq_exit_rcu+0x93/0xc0 [ 59.801072] ---[ end trace 0000000000000000 ]--- [ 59.806472] ------------[ cut here ]------------ [ 59.807076] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.808850] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.809950] Modules linked in: [ 59.810392] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.811581] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.812628] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.813342] 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 [ 59.815588] RSP: 0018:ffff888017f3fc00 EFLAGS: 00010282 [ 59.816295] RAX: 0000000000000000 RBX: ffff88800c506040 RCX: 0000000000000000 [ 59.817246] RDX: ffff88800df9d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.818142] RBP: ffff88800c506054 R08: 0000000000000001 R09: 0000000000000000 [ 59.819089] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.820012] R13: ffffffff84e223a0 R14: ffff88800c506048 R15: ffffffff84da62e0 [ 59.820933] FS: 0000555555c92400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.821972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.822733] CR2: 00007fe302cff6f4 CR3: 000000000df06000 CR4: 0000000000350ee0 [ 59.823657] Call Trace: [ 59.823990] [ 59.824326] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.824979] ipv6_frags_init_net+0x206/0x3c0 [ 59.825589] ops_init+0xbb/0x6b0 [ 59.826049] setup_net+0x3d9/0x990 [ 59.826544] ? down_read_killable+0x1d7/0x4e0 [ 59.827126] ? __pfx_setup_net+0x10/0x10 [ 59.827674] ? copy_net_ns+0x17c/0x770 [ 59.828222] copy_net_ns+0x321/0x770 [ 59.828730] create_new_namespaces+0x3f6/0xb30 [ 59.829355] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.829971] ksys_unshare+0x44d/0x8e0 [ 59.830495] ? __pfx_ksys_unshare+0x10/0x10 [ 59.831034] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.831773] __x64_sys_unshare+0x31/0x40 [ 59.832318] do_syscall_64+0x3f/0x90 [ 59.832797] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.833462] RIP: 0033:0x7eff374f90d7 [ 59.833923] 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 [ 59.836084] RSP: 002b:00007ffe9b012318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.837060] RAX: ffffffffffffffda RBX: 00007ffe9b012958 RCX: 00007eff374f90d7 [ 59.837954] RDX: 00007eff3756341f RSI: 00007ffe9b0122b0 RDI: 0000000040000000 [ 59.838838] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9b0120c0 [ 59.839722] R10: 0000000000000000 R11: 0000000000000206 R12: 00007eff3760bbf0 [ 59.840617] R13: 00007ffe9b0123f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.841550] [ 59.841847] irq event stamp: 10179 [ 59.842309] hardirqs last enabled at (10191): [] __up_console_sem+0x78/0x80 [ 59.843368] hardirqs last disabled at (10202): [] __up_console_sem+0x5d/0x80 [ 59.844431] softirqs last enabled at (9740): [] irq_exit_rcu+0x93/0xc0 [ 59.845472] softirqs last disabled at (9735): [] irq_exit_rcu+0x93/0xc0 [ 59.846505] ---[ end trace 0000000000000000 ]--- [ 59.847835] ------------[ cut here ]------------ [ 59.848497] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.850471] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.851523] Modules linked in: [ 59.851926] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.853083] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.854101] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.854777] 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 [ 59.856958] RSP: 0018:ffff888017f3fbf0 EFLAGS: 00010286 [ 59.857645] RAX: 0000000000000000 RBX: ffff88800c506640 RCX: 0000000000000000 [ 59.858535] RDX: ffff88800df9d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.859421] RBP: ffff88800c506654 R08: 0000000000000001 R09: 0000000000000000 [ 59.860310] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.861205] R13: ffffffff84e223a0 R14: ffff88800c506648 R15: ffffffff84daf020 [ 59.862058] FS: 0000555555c92400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.863075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.863812] CR2: 00007fe302cff6f4 CR3: 000000000df06000 CR4: 0000000000350ee0 [ 59.864735] Call Trace: [ 59.865070] [ 59.865405] nf_ct_net_init+0x224/0x3d0 [ 59.865935] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.866537] ops_init+0xbb/0x6b0 [ 59.866990] setup_net+0x3d9/0x990 [ 59.867476] ? down_read_killable+0x1d7/0x4e0 [ 59.868045] ? __pfx_setup_net+0x10/0x10 [ 59.868583] ? copy_net_ns+0x17c/0x770 [ 59.869114] copy_net_ns+0x321/0x770 [ 59.869629] create_new_namespaces+0x3f6/0xb30 [ 59.870253] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.870870] ksys_unshare+0x44d/0x8e0 [ 59.871397] ? __pfx_ksys_unshare+0x10/0x10 [ 59.871949] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.872708] __x64_sys_unshare+0x31/0x40 [ 59.873261] do_syscall_64+0x3f/0x90 [ 59.873741] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.874421] RIP: 0033:0x7eff374f90d7 [ 59.874893] 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 [ 59.877113] RSP: 002b:00007ffe9b012318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.878064] RAX: ffffffffffffffda RBX: 00007ffe9b012958 RCX: 00007eff374f90d7 [ 59.878961] RDX: 00007eff3756341f RSI: 00007ffe9b0122b0 RDI: 0000000040000000 [ 59.879856] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe9b0120c0 [ 59.880770] R10: 0000000000000000 R11: 0000000000000206 R12: 00007eff3760bbf0 [ 59.881661] R13: 00007ffe9b0123f0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.882586] [ 59.882893] irq event stamp: 10983 [ 59.883359] hardirqs last enabled at (10995): [] __up_console_sem+0x78/0x80 [ 59.884446] hardirqs last disabled at (11006): [] __up_console_sem+0x5d/0x80 [ 59.885550] softirqs last enabled at (10890): [] irq_exit_rcu+0x93/0xc0 [ 59.886607] softirqs last disabled at (10885): [] irq_exit_rcu+0x93/0xc0 [ 59.887655] ---[ end trace 0000000000000000 ]--- executing program [ 61.434864] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.482225] Bluetooth: hci0: command 0x041b tx timeout [ 65.530255] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.578321] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:13:36 Registers: info registers vcpu 0 RAX=0000000000023263 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=00007f3bd4f2fd40 CR3=0000000015d78000 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=2683e23195342d87574fd3daea1f772c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=5400f1da4a4f9c54000000000013c790 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=354e4911f4481e4f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888017f3f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555c92400 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=00007fe302cff6f4 CR3=000000000df06000 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