Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:20960' (ECDSA) to the list of known hosts. 2023/05/17 22:13:50 fuzzer started 2023/05/17 22:13:50 dialing manager at localhost:44319 2023/05/17 22:13:50 checking machine... 2023/05/17 22:13:50 checking revisions... syzkaller login: [ 29.964027] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:13:50 testing simple program... [ 30.021982] cgroup: Unknown subsys name 'net' [ 30.069323] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 42.318522] audit: type=1400 audit(1684361643.225:6): 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 [ 43.490012] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.491934] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.493565] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.496161] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.498482] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.499706] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.891146] ------------[ cut here ]------------ [ 43.891952] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 43.894148] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.895467] Modules linked in: [ 43.895955] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.901174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.902197] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.902877] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.905089] RSP: 0018:ffff8880133afc00 EFLAGS: 00010282 [ 43.905770] RAX: 0000000000000000 RBX: ffff88800e893440 RCX: 0000000000000000 [ 43.906674] RDX: ffff88800fc8d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.907560] RBP: ffff88800e893454 R08: 0000000000000001 R09: 0000000000000000 [ 43.908461] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 43.909348] R13: ffffffff84e23fe0 R14: ffff88800e893448 R15: ffffffff84d74dc0 [ 43.910247] FS: 00005555569cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.911241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.911955] CR2: 00007f5dd7f47008 CR3: 00000000200e4000 CR4: 0000000000350ef0 [ 43.912853] Call Trace: [ 43.913178] [ 43.913506] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 43.914117] ipv4_frags_init_net+0x269/0x440 [ 43.914711] ops_init+0xbb/0x6b0 [ 43.915160] setup_net+0x3d9/0x990 [ 43.915644] ? down_read_killable+0x1d7/0x4e0 [ 43.916270] ? __pfx_setup_net+0x10/0x10 [ 43.916782] ? copy_net_ns+0x17c/0x770 [ 43.917324] copy_net_ns+0x321/0x770 [ 43.917806] create_new_namespaces+0x3f6/0xb30 [ 43.918398] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.918980] ksys_unshare+0x44d/0x8e0 [ 43.919478] ? __pfx_ksys_unshare+0x10/0x10 [ 43.920000] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.920704] __x64_sys_unshare+0x31/0x40 [ 43.921194] do_syscall_64+0x3f/0x90 [ 43.921678] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.922320] RIP: 0033:0x7ff9b64360d7 [ 43.922760] 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 [ 43.924796] RSP: 002b:00007ffee0b33a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 43.925681] RAX: ffffffffffffffda RBX: 00007ffee0b34098 RCX: 00007ff9b64360d7 [ 43.926513] RDX: 00007ff9b64a041f RSI: 00007ffee0b339f0 RDI: 0000000040000000 [ 43.927342] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee0b33800 [ 43.928163] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff9b6548bf0 [ 43.929021] R13: 00007ffee0b33b30 R14: 0000000000000000 R15: 00000000000000f8 [ 43.929911] [ 43.930234] irq event stamp: 8939 [ 43.930663] hardirqs last enabled at (8949): [] __up_console_sem+0x78/0x80 [ 43.931698] hardirqs last disabled at (8960): [] __up_console_sem+0x5d/0x80 [ 43.932752] softirqs last enabled at (8044): [] netlink_insert+0x187/0x1820 [ 43.933810] softirqs last disabled at (8042): [] release_sock+0x1f/0x1b0 [ 43.934808] ---[ end trace 0000000000000000 ]--- [ 43.940707] ------------[ cut here ]------------ [ 43.941316] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 43.942929] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.944011] Modules linked in: [ 43.944449] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.945586] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.946586] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.947264] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.949445] RSP: 0018:ffff8880133afc00 EFLAGS: 00010282 [ 43.950091] RAX: 0000000000000000 RBX: ffff8880166f1640 RCX: 0000000000000000 [ 43.950979] RDX: ffff88800fc8d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.951862] RBP: ffff8880166f1654 R08: 0000000000000001 R09: 0000000000000000 [ 43.952755] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.953624] R13: ffffffff84e23fe0 R14: ffff8880166f1648 R15: ffffffff84da7d60 [ 43.954514] FS: 00005555569cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.955507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.956253] CR2: 00007f5dd7f47008 CR3: 00000000200e4000 CR4: 0000000000350ef0 [ 43.957097] Call Trace: [ 43.957444] [ 43.957736] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 43.958380] ipv6_frags_init_net+0x206/0x3c0 [ 43.958927] ops_init+0xbb/0x6b0 [ 43.959394] setup_net+0x3d9/0x990 [ 43.959846] ? down_read_killable+0x1d7/0x4e0 [ 43.960451] ? __pfx_setup_net+0x10/0x10 [ 43.960959] ? copy_net_ns+0x17c/0x770 [ 43.961495] copy_net_ns+0x321/0x770 [ 43.961968] create_new_namespaces+0x3f6/0xb30 [ 43.962574] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.963187] ksys_unshare+0x44d/0x8e0 [ 43.963702] ? __pfx_ksys_unshare+0x10/0x10 [ 43.964297] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.965001] __x64_sys_unshare+0x31/0x40 [ 43.965542] do_syscall_64+0x3f/0x90 [ 43.966014] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.966674] RIP: 0033:0x7ff9b64360d7 [ 43.967130] 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 [ 43.969280] RSP: 002b:00007ffee0b33a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 43.970228] RAX: ffffffffffffffda RBX: 00007ffee0b34098 RCX: 00007ff9b64360d7 [ 43.971065] RDX: 00007ff9b64a041f RSI: 00007ffee0b339f0 RDI: 0000000040000000 [ 43.971938] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee0b33800 [ 43.972833] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff9b6548bf0 [ 43.973704] R13: 00007ffee0b33b30 R14: 0000000000000000 R15: 00000000000000f8 [ 43.974629] [ 43.974927] irq event stamp: 10865 [ 43.975393] hardirqs last enabled at (10877): [] __up_console_sem+0x78/0x80 [ 43.976464] hardirqs last disabled at (10888): [] __up_console_sem+0x5d/0x80 [ 43.977533] softirqs last enabled at (10850): [] irq_exit_rcu+0x93/0xc0 [ 43.978565] softirqs last disabled at (10845): [] irq_exit_rcu+0x93/0xc0 [ 43.979602] ---[ end trace 0000000000000000 ]--- [ 43.981508] ------------[ cut here ]------------ [ 43.982082] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 43.983940] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.985027] Modules linked in: [ 43.985459] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.986582] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.987602] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.988285] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 43.990425] RSP: 0018:ffff8880133afbf0 EFLAGS: 00010286 [ 43.991078] RAX: 0000000000000000 RBX: ffff8880166f0440 RCX: 0000000000000000 [ 43.991965] RDX: ffff88800fc8d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.992856] RBP: ffff8880166f0454 R08: 0000000000000001 R09: 0000000000000000 [ 43.993744] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.994629] R13: ffffffff84e23fe0 R14: ffff8880166f0448 R15: ffffffff84db0aa0 [ 43.995529] FS: 00005555569cd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.996534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.997275] CR2: 00007f5dd7f47008 CR3: 00000000200e4000 CR4: 0000000000350ef0 [ 43.998117] Call Trace: [ 43.998489] [ 43.998789] nf_ct_net_init+0x224/0x3d0 [ 43.999328] ? __pfx_nf_ct_net_init+0x10/0x10 [ 43.999896] ops_init+0xbb/0x6b0 [ 44.000385] setup_net+0x3d9/0x990 [ 44.000841] ? down_read_killable+0x1d7/0x4e0 [ 44.001434] ? __pfx_setup_net+0x10/0x10 [ 44.001937] ? copy_net_ns+0x17c/0x770 [ 44.002472] copy_net_ns+0x321/0x770 [ 44.002952] create_new_namespaces+0x3f6/0xb30 [ 44.003565] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.004186] ksys_unshare+0x44d/0x8e0 [ 44.004716] ? __pfx_ksys_unshare+0x10/0x10 [ 44.005289] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.005980] __x64_sys_unshare+0x31/0x40 [ 44.006532] do_syscall_64+0x3f/0x90 [ 44.007014] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.007671] RIP: 0033:0x7ff9b64360d7 [ 44.008136] 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 [ 44.010267] RSP: 002b:00007ffee0b33a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 44.011171] RAX: ffffffffffffffda RBX: 00007ffee0b34098 RCX: 00007ff9b64360d7 [ 44.012046] RDX: 00007ff9b64a041f RSI: 00007ffee0b339f0 RDI: 0000000040000000 [ 44.012934] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffee0b33800 [ 44.013813] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff9b6548bf0 [ 44.014708] R13: 00007ffee0b33b30 R14: 0000000000000000 R15: 00000000000000f8 [ 44.015603] [ 44.015906] irq event stamp: 11701 [ 44.016379] hardirqs last enabled at (11713): [] __up_console_sem+0x78/0x80 [ 44.017427] hardirqs last disabled at (11724): [] __up_console_sem+0x5d/0x80 [ 44.018489] softirqs last enabled at (11674): [] irq_exit_rcu+0x93/0xc0 [ 44.019509] softirqs last disabled at (11665): [] irq_exit_rcu+0x93/0xc0 [ 44.020555] ---[ end trace 0000000000000000 ]--- executing program [ 45.510857] Bluetooth: hci0: command 0x0409 tx timeout [ 47.558710] Bluetooth: hci0: command 0x041b tx timeout executing program [ 49.606299] Bluetooth: hci0: command 0x040f tx timeout executing program [ 51.654349] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:14:04 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880133af598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 00005555569cd400 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=00007f5dd7f47008 CR3=00000000200e4000 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=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 info registers vcpu 1 RAX=00000000000328ed RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007f1f8ebfde10 CR3=000000000ecda000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=3230322d7478656e2d3263722d302e00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000