Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:63789' (ECDSA) to the list of known hosts. 2023/05/16 15:49:28 fuzzer started 2023/05/16 15:49:28 dialing manager at localhost:35573 2023/05/16 15:49:28 checking machine... 2023/05/16 15:49:28 checking revisions... syzkaller login: [ 41.128269] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:49:28 testing simple program... [ 41.201375] cgroup: Unknown subsys name 'net' [ 41.293036] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.995468] audit: type=1400 audit(1684252181.746:6): 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 [ 55.136754] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.138671] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.140286] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.143829] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.146301] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.148259] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.578576] ------------[ cut here ]------------ [ 55.579437] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.581205] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.582296] Modules linked in: [ 55.582745] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.587632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.588822] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.589639] 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 [ 55.591893] RSP: 0018:ffff88801a15fc00 EFLAGS: 00010282 [ 55.592596] RAX: 0000000000000000 RBX: ffff88800e128040 RCX: 0000000000000000 [ 55.593489] RDX: ffff88801a1e1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.594365] RBP: ffff88800e128054 R08: 0000000000000001 R09: 0000000000000000 [ 55.595262] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.596160] R13: ffffffff84e223a0 R14: ffff88800e128048 R15: ffffffff84d73340 [ 55.597062] FS: 0000555555627400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.598068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.598818] CR2: 00007f8a53a666f4 CR3: 0000000015850000 CR4: 0000000000350ee0 [ 55.599724] Call Trace: [ 55.600050] [ 55.600345] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.600984] ipv4_frags_init_net+0x269/0x440 [ 55.601569] ops_init+0xbb/0x6b0 [ 55.602013] setup_net+0x3d9/0x990 [ 55.602494] ? down_read_killable+0x1d7/0x4e0 [ 55.603057] ? __pfx_setup_net+0x10/0x10 [ 55.603597] ? copy_net_ns+0x17c/0x770 [ 55.604105] copy_net_ns+0x321/0x770 [ 55.604611] create_new_namespaces+0x3f6/0xb30 [ 55.605197] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.605835] ksys_unshare+0x44d/0x8e0 [ 55.606327] ? __pfx_ksys_unshare+0x10/0x10 [ 55.606902] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.607649] __x64_sys_unshare+0x31/0x40 [ 55.608165] do_syscall_64+0x3f/0x90 [ 55.608676] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.609313] RIP: 0033:0x7f592a86c0d7 [ 55.609807] 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 [ 55.611994] RSP: 002b:00007ffc0f0150b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.612948] RAX: ffffffffffffffda RBX: 00007ffc0f0156f8 RCX: 00007f592a86c0d7 [ 55.613827] RDX: 00007f592a8d641f RSI: 00007ffc0f015050 RDI: 0000000040000000 [ 55.614707] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0f014e60 [ 55.615590] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f592a97ebf0 [ 55.616474] R13: 00007ffc0f015190 R14: 0000000000000000 R15: 00000000000000f8 [ 55.617348] [ 55.617684] irq event stamp: 8779 [ 55.618106] hardirqs last enabled at (8789): [] __up_console_sem+0x78/0x80 [ 55.619160] hardirqs last disabled at (8800): [] __up_console_sem+0x5d/0x80 [ 55.620308] softirqs last enabled at (8652): [] irq_exit_rcu+0x93/0xc0 [ 55.621536] softirqs last disabled at (8643): [] irq_exit_rcu+0x93/0xc0 [ 55.622745] ---[ end trace 0000000000000000 ]--- [ 55.628776] ------------[ cut here ]------------ [ 55.629559] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.631580] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.632800] Modules linked in: [ 55.633263] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.634583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.635741] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.636509] 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 [ 55.639004] RSP: 0018:ffff88801a15fc00 EFLAGS: 00010282 [ 55.639811] RAX: 0000000000000000 RBX: ffff88800e556840 RCX: 0000000000000000 [ 55.640823] RDX: ffff88801a1e1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.641841] RBP: ffff88800e556854 R08: 0000000000000001 R09: 0000000000000000 [ 55.642896] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.644132] R13: ffffffff84e223a0 R14: ffff88800e556848 R15: ffffffff84da62e0 [ 55.645344] FS: 0000555555627400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.646676] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.647751] CR2: 00007f8a53a666f4 CR3: 0000000015850000 CR4: 0000000000350ee0 [ 55.648973] Call Trace: [ 55.649421] [ 55.649876] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.650766] ipv6_frags_init_net+0x206/0x3c0 [ 55.651583] ops_init+0xbb/0x6b0 [ 55.652109] setup_net+0x3d9/0x990 [ 55.652655] ? down_read_killable+0x1d7/0x4e0 [ 55.653304] ? __pfx_setup_net+0x10/0x10 [ 55.653906] ? copy_net_ns+0x17c/0x770 [ 55.654516] copy_net_ns+0x321/0x770 [ 55.655059] create_new_namespaces+0x3f6/0xb30 [ 55.655777] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.656508] ksys_unshare+0x44d/0x8e0 [ 55.657062] ? __pfx_ksys_unshare+0x10/0x10 [ 55.657739] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.658600] __x64_sys_unshare+0x31/0x40 [ 55.659200] do_syscall_64+0x3f/0x90 [ 55.659813] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.660585] RIP: 0033:0x7f592a86c0d7 [ 55.661130] 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 [ 55.663642] RSP: 002b:00007ffc0f0150b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.664740] RAX: ffffffffffffffda RBX: 00007ffc0f0156f8 RCX: 00007f592a86c0d7 [ 55.665770] RDX: 00007f592a8d641f RSI: 00007ffc0f015050 RDI: 0000000040000000 [ 55.666800] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0f014e60 [ 55.667849] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f592a97ebf0 [ 55.668885] R13: 00007ffc0f015190 R14: 0000000000000000 R15: 00000000000000f8 [ 55.669956] [ 55.670307] irq event stamp: 10493 [ 55.670845] hardirqs last enabled at (10505): [] __up_console_sem+0x78/0x80 [ 55.672098] hardirqs last disabled at (10516): [] __up_console_sem+0x5d/0x80 [ 55.673351] softirqs last enabled at (9996): [] irq_exit_rcu+0x93/0xc0 [ 55.674564] softirqs last disabled at (9991): [] irq_exit_rcu+0x93/0xc0 [ 55.675775] ---[ end trace 0000000000000000 ]--- [ 55.677303] ------------[ cut here ]------------ [ 55.678016] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.680273] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.681497] Modules linked in: [ 55.681962] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.683295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.684479] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.685210] 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 [ 55.687699] RSP: 0018:ffff88801a15fbf0 EFLAGS: 00010286 [ 55.688483] RAX: 0000000000000000 RBX: ffff88800e557a40 RCX: 0000000000000000 [ 55.689496] RDX: ffff88801a1e1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.690521] RBP: ffff88800e557a54 R08: 0000000000000001 R09: 0000000000000000 [ 55.691560] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.692585] R13: ffffffff84e223a0 R14: ffff88800e557a48 R15: ffffffff84daf020 [ 55.693609] FS: 0000555555627400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.694736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.695588] CR2: 00007f8a53a666f4 CR3: 0000000015850000 CR4: 0000000000350ee0 [ 55.696598] Call Trace: [ 55.696974] [ 55.697312] nf_ct_net_init+0x224/0x3d0 [ 55.697933] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.698616] ops_init+0xbb/0x6b0 [ 55.699122] setup_net+0x3d9/0x990 [ 55.699680] ? down_read_killable+0x1d7/0x4e0 [ 55.700328] ? __pfx_setup_net+0x10/0x10 [ 55.700941] ? copy_net_ns+0x17c/0x770 [ 55.701548] copy_net_ns+0x321/0x770 [ 55.702093] create_new_namespaces+0x3f6/0xb30 [ 55.702786] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.703526] ksys_unshare+0x44d/0x8e0 [ 55.704087] ? __pfx_ksys_unshare+0x10/0x10 [ 55.704741] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.705584] __x64_sys_unshare+0x31/0x40 [ 55.706177] do_syscall_64+0x3f/0x90 [ 55.706754] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.707515] RIP: 0033:0x7f592a86c0d7 [ 55.708045] 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 [ 55.710515] RSP: 002b:00007ffc0f0150b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.711630] RAX: ffffffffffffffda RBX: 00007ffc0f0156f8 RCX: 00007f592a86c0d7 [ 55.712621] RDX: 00007f592a8d641f RSI: 00007ffc0f015050 RDI: 0000000040000000 [ 55.713615] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0f014e60 [ 55.714616] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f592a97ebf0 [ 55.715625] R13: 00007ffc0f015190 R14: 0000000000000000 R15: 00000000000000f8 [ 55.716663] [ 55.717007] irq event stamp: 11261 [ 55.717526] hardirqs last enabled at (11273): [] __up_console_sem+0x78/0x80 [ 55.718731] hardirqs last disabled at (11284): [] __up_console_sem+0x5d/0x80 [ 55.719947] softirqs last enabled at (10932): [] irq_exit_rcu+0x93/0xc0 [ 55.721115] softirqs last disabled at (10927): [] irq_exit_rcu+0x93/0xc0 [ 55.722290] ---[ end trace 0000000000000000 ]--- executing program [ 57.217114] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.265618] Bluetooth: hci0: command 0x041b tx timeout [ 61.312518] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.360528] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:49:38 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000000 RCX=0000000000000000 RDX=ffff888016c5d1c0 RSI=ffffffff811f8781 RDI=0000000000000001 RBP=0000000000000000 RSP=ffff888016d97f08 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888016c5d1c0 R13=0000000000000001 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff814bf87b RFL=00000246 [---Z-P-] 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 00007f983aec3900 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=00007f983a3ea000 CR3=0000000015aac000 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=ffa0000b369c698d294bdf5a83338597 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=3ec84e8114378e9d000000000013be30 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2b9d41d95987ba9400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a15f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 0000555555627400 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=00007f8a53a666f4 CR3=0000000015850000 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