Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:51998' (ECDSA) to the list of known hosts. 2023/05/17 17:00:51 fuzzer started 2023/05/17 17:00:51 dialing manager at localhost:44319 2023/05/17 17:00:51 checking machine... 2023/05/17 17:00:51 checking revisions... syzkaller login: [ 74.634637] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:00:52 testing simple program... [ 74.696311] cgroup: Unknown subsys name 'net' [ 74.749659] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 86.360985] audit: type=1400 audit(1684342863.831:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 87.504642] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.506104] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.507282] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.509984] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.511411] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.516805] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 87.900642] ------------[ cut here ]------------ [ 87.901412] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 87.903726] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 87.905110] Modules linked in: [ 87.905754] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 87.907959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 87.909984] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 87.911250] 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 [ 87.913286] RSP: 0018:ffff88801583fc00 EFLAGS: 00010282 [ 87.913938] RAX: 0000000000000000 RBX: ffff88800c566840 RCX: 0000000000000000 [ 87.914801] RDX: ffff8880166fd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 87.915686] RBP: ffff88800c566854 R08: 0000000000000001 R09: 0000000000000000 [ 87.916572] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 87.917436] R13: ffffffff84e23fe0 R14: ffff88800c566848 R15: ffffffff84d74dc0 [ 87.918338] FS: 000055555741a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 87.919321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.920064] CR2: 00007f72b619e6f4 CR3: 000000000e578000 CR4: 0000000000350ee0 [ 87.920959] Call Trace: [ 87.921292] [ 87.921617] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 87.922230] ipv4_frags_init_net+0x269/0x440 [ 87.922824] ops_init+0xbb/0x6b0 [ 87.923272] setup_net+0x3d9/0x990 [ 87.923759] ? down_read_killable+0x1d7/0x4e0 [ 87.924326] ? __pfx_setup_net+0x10/0x10 [ 87.924866] ? copy_net_ns+0x17c/0x770 [ 87.925377] copy_net_ns+0x321/0x770 [ 87.925890] create_new_namespaces+0x3f6/0xb30 [ 87.926538] unshare_nsproxy_namespaces+0xc1/0x200 [ 87.927155] ksys_unshare+0x44d/0x8e0 [ 87.927671] ? __pfx_ksys_unshare+0x10/0x10 [ 87.928212] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 87.928944] __x64_sys_unshare+0x31/0x40 [ 87.929456] do_syscall_64+0x3f/0x90 [ 87.929961] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 87.930646] RIP: 0033:0x7f88d4a4a0d7 [ 87.931108] 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 [ 87.933255] RSP: 002b:00007ffd14ca51e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 87.934189] RAX: ffffffffffffffda RBX: 00007ffd14ca5828 RCX: 00007f88d4a4a0d7 [ 87.935084] RDX: 00007f88d4ab441f RSI: 00007ffd14ca5180 RDI: 0000000040000000 [ 87.935973] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd14ca4f90 [ 87.936855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f88d4b5cbf0 [ 87.937734] R13: 00007ffd14ca52c0 R14: 0000000000000000 R15: 00000000000000f8 [ 87.938665] [ 87.938974] irq event stamp: 9281 [ 87.939390] hardirqs last enabled at (9291): [] __up_console_sem+0x78/0x80 [ 87.940438] hardirqs last disabled at (9302): [] __up_console_sem+0x5d/0x80 [ 87.941487] softirqs last enabled at (8806): [] irq_exit_rcu+0x93/0xc0 [ 87.942535] softirqs last disabled at (8779): [] irq_exit_rcu+0x93/0xc0 [ 87.943555] ---[ end trace 0000000000000000 ]--- [ 87.949182] ------------[ cut here ]------------ [ 87.949794] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 87.951429] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 87.952531] Modules linked in: [ 87.952946] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 87.954092] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 87.955109] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 87.955813] 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 [ 87.957981] RSP: 0018:ffff88801583fc00 EFLAGS: 00010282 [ 87.958723] RAX: 0000000000000000 RBX: ffff88800da15240 RCX: 0000000000000000 [ 87.959616] RDX: ffff8880166fd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 87.960485] RBP: ffff88800da15254 R08: 0000000000000001 R09: 0000000000000000 [ 87.961386] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 87.962279] R13: ffffffff84e23fe0 R14: ffff88800da15248 R15: ffffffff84da7d60 [ 87.963184] FS: 000055555741a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 87.964180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.964915] CR2: 00007f72b619e6f4 CR3: 000000000e578000 CR4: 0000000000350ee0 [ 87.965808] Call Trace: [ 87.966135] [ 87.966457] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 87.967109] ipv6_frags_init_net+0x206/0x3c0 [ 87.967705] ops_init+0xbb/0x6b0 [ 87.968150] setup_net+0x3d9/0x990 [ 87.968634] ? down_read_killable+0x1d7/0x4e0 [ 87.969199] ? __pfx_setup_net+0x10/0x10 [ 87.969732] ? copy_net_ns+0x17c/0x770 [ 87.970237] copy_net_ns+0x321/0x770 [ 87.970756] create_new_namespaces+0x3f6/0xb30 [ 87.971343] unshare_nsproxy_namespaces+0xc1/0x200 [ 87.971990] ksys_unshare+0x44d/0x8e0 [ 87.972483] ? __pfx_ksys_unshare+0x10/0x10 [ 87.973055] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 87.973783] __x64_sys_unshare+0x31/0x40 [ 87.974318] do_syscall_64+0x3f/0x90 [ 87.974830] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 87.975467] RIP: 0033:0x7f88d4a4a0d7 [ 87.975963] 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 [ 87.978120] RSP: 002b:00007ffd14ca51e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 87.979081] RAX: ffffffffffffffda RBX: 00007ffd14ca5828 RCX: 00007f88d4a4a0d7 [ 87.979981] RDX: 00007f88d4ab441f RSI: 00007ffd14ca5180 RDI: 0000000040000000 [ 87.980871] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd14ca4f90 [ 87.981759] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f88d4b5cbf0 [ 87.982669] R13: 00007ffd14ca52c0 R14: 0000000000000000 R15: 00000000000000f8 [ 87.983571] [ 87.983871] irq event stamp: 11529 [ 87.984303] hardirqs last enabled at (11539): [] __up_console_sem+0x78/0x80 [ 87.985363] hardirqs last disabled at (11550): [] __up_console_sem+0x5d/0x80 [ 87.986439] softirqs last enabled at (11090): [] irq_exit_rcu+0x93/0xc0 [ 87.987476] softirqs last disabled at (11085): [] irq_exit_rcu+0x93/0xc0 [ 87.988522] ---[ end trace 0000000000000000 ]--- [ 87.989820] ------------[ cut here ]------------ [ 87.990425] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 87.992263] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 87.993344] Modules linked in: [ 87.993782] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 87.994959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 87.995988] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 87.996676] 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 [ 87.998839] RSP: 0018:ffff88801583fbf0 EFLAGS: 00010286 [ 87.999490] RAX: 0000000000000000 RBX: ffff88800da15840 RCX: 0000000000000000 [ 88.000373] RDX: ffff8880166fd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 88.001259] RBP: ffff88800da15854 R08: 0000000000000001 R09: 0000000000000000 [ 88.002148] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.003039] R13: ffffffff84e23fe0 R14: ffff88800da15848 R15: ffffffff84db0aa0 [ 88.003930] FS: 000055555741a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 88.004948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.005684] CR2: 00007f72b619e6f4 CR3: 000000000e578000 CR4: 0000000000350ee0 [ 88.006615] Call Trace: [ 88.006945] [ 88.007256] nf_ct_net_init+0x224/0x3d0 [ 88.007798] ? __pfx_nf_ct_net_init+0x10/0x10 [ 88.008371] ops_init+0xbb/0x6b0 [ 88.008847] setup_net+0x3d9/0x990 [ 88.009317] ? down_read_killable+0x1d7/0x4e0 [ 88.009913] ? __pfx_setup_net+0x10/0x10 [ 88.010430] ? copy_net_ns+0x17c/0x770 [ 88.010972] copy_net_ns+0x321/0x770 [ 88.011455] create_new_namespaces+0x3f6/0xb30 [ 88.012059] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.012712] ksys_unshare+0x44d/0x8e0 [ 88.013211] ? __pfx_ksys_unshare+0x10/0x10 [ 88.013780] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.014552] __x64_sys_unshare+0x31/0x40 [ 88.015069] do_syscall_64+0x3f/0x90 [ 88.015579] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.016223] RIP: 0033:0x7f88d4a4a0d7 [ 88.016710] 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 [ 88.018924] RSP: 002b:00007ffd14ca51e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 88.019878] RAX: ffffffffffffffda RBX: 00007ffd14ca5828 RCX: 00007f88d4a4a0d7 [ 88.020756] RDX: 00007f88d4ab441f RSI: 00007ffd14ca5180 RDI: 0000000040000000 [ 88.021656] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd14ca4f90 [ 88.022573] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f88d4b5cbf0 [ 88.023434] R13: 00007ffd14ca52c0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.024350] [ 88.024683] irq event stamp: 12253 [ 88.025114] hardirqs last enabled at (12263): [] __up_console_sem+0x78/0x80 [ 88.026182] hardirqs last disabled at (12274): [] __up_console_sem+0x5d/0x80 [ 88.027269] softirqs last enabled at (12160): [] irq_exit_rcu+0x93/0xc0 [ 88.028301] softirqs last disabled at (12155): [] irq_exit_rcu+0x93/0xc0 [ 88.029356] ---[ end trace 0000000000000000 ]--- executing program [ 89.592143] Bluetooth: hci0: command 0x0409 tx timeout [ 91.639686] Bluetooth: hci0: command 0x041b tx timeout executing program [ 93.687571] Bluetooth: hci0: command 0x040f tx timeout executing program [ 95.735580] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 17:00:26 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=1ffff1100d9c1353 RCX=ffffffff812cc7ef RDX=fffffbfff0ef393a RSI=0000000000000008 RDI=ffffffff8779c9c8 RBP=ffff888016d92530 RSP=ffff88806ce09a60 R8 =0000000000000000 R9 =fffffbfff0ef3939 R10=ffffffff8779c9cf R11=0000000000000001 R12=0000000000000000 R13=ffff888016d92550 R14=000000000000005f R15=0000000000000001 RIP=ffffffff812cc7f7 RFL=00000047 [---Z-PC] 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 00007f9f14275900 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=00007f9f1368be40 CR3=000000000e8a8000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=582f1db816fde3e7000000000013ea48 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=8dfede2101137e6c00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000202000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801583f5e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 000055555741a400 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=00007f72b619e6f4 CR3=000000000e578000 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