Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:40377' (ECDSA) to the list of known hosts. 2023/05/16 11:46:55 fuzzer started 2023/05/16 11:46:56 dialing manager at localhost:35573 2023/05/16 11:46:56 checking machine... 2023/05/16 11:46:56 checking revisions... syzkaller login: [ 47.407013] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:46:56 testing simple program... [ 47.479788] cgroup: Unknown subsys name 'net' [ 47.570704] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.353777] audit: type=1400 audit(1684237629.177:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 61.447506] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.449307] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.450969] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.455100] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.458428] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.459789] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.908501] ------------[ cut here ]------------ [ 61.910063] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.912058] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.913269] Modules linked in: [ 61.913692] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.919378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.920528] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.921476] 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 [ 61.923969] RSP: 0018:ffff888016b4fc00 EFLAGS: 00010282 [ 61.924652] RAX: 0000000000000000 RBX: ffff888016604c40 RCX: 0000000000000000 [ 61.925598] RDX: ffff88800fe90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.926531] RBP: ffff888016604c54 R08: 0000000000000001 R09: 0000000000000000 [ 61.927485] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.928405] R13: ffffffff84e223a0 R14: ffff888016604c48 R15: ffffffff84d73340 [ 61.929324] FS: 000055555607f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.930343] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.931123] CR2: 00007f0f0b23a6f4 CR3: 000000000c636000 CR4: 0000000000350ee0 [ 61.932033] Call Trace: [ 61.932368] [ 61.932673] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.933331] ipv4_frags_init_net+0x269/0x440 [ 61.933928] ops_init+0xbb/0x6b0 [ 61.934381] setup_net+0x3d9/0x990 [ 61.934908] ? down_read_killable+0x1d7/0x4e0 [ 61.935499] ? __pfx_setup_net+0x10/0x10 [ 61.936039] ? copy_net_ns+0x17c/0x770 [ 61.936554] copy_net_ns+0x321/0x770 [ 61.937082] create_new_namespaces+0x3f6/0xb30 [ 61.937680] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.938345] ksys_unshare+0x44d/0x8e0 [ 61.938901] ? __pfx_ksys_unshare+0x10/0x10 [ 61.939462] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.940216] __x64_sys_unshare+0x31/0x40 [ 61.940744] do_syscall_64+0x3f/0x90 [ 61.941282] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.941967] RIP: 0033:0x7f2fc9cbb0d7 [ 61.942445] 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 [ 61.944648] RSP: 002b:00007ffd4511f5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.945604] RAX: ffffffffffffffda RBX: 00007ffd4511fc18 RCX: 00007f2fc9cbb0d7 [ 61.946540] RDX: 00007f2fc9d2541f RSI: 00007ffd4511f570 RDI: 0000000040000000 [ 61.947453] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4511f380 [ 61.948351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2fc9dcdbf0 [ 61.949238] R13: 00007ffd4511f6b0 R14: 0000000000000000 R15: 00000000000000f8 [ 61.950150] [ 61.950459] irq event stamp: 8919 [ 61.950929] hardirqs last enabled at (8931): [] __up_console_sem+0x78/0x80 [ 61.952007] hardirqs last disabled at (8948): [] __up_console_sem+0x5d/0x80 [ 61.953065] softirqs last enabled at (8944): [] irq_exit_rcu+0x93/0xc0 [ 61.954087] softirqs last disabled at (8939): [] irq_exit_rcu+0x93/0xc0 [ 61.955142] ---[ end trace 0000000000000000 ]--- [ 61.962256] ------------[ cut here ]------------ [ 61.963018] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.965431] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.966758] Modules linked in: [ 61.967274] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.968637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.969864] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.970638] 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 [ 61.973255] RSP: 0018:ffff888016b4fc00 EFLAGS: 00010282 [ 61.974053] RAX: 0000000000000000 RBX: ffff888008efe040 RCX: 0000000000000000 [ 61.975111] RDX: ffff88800fe90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.976156] RBP: ffff888008efe054 R08: 0000000000000001 R09: 0000000000000000 [ 61.977196] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.978250] R13: ffffffff84e223a0 R14: ffff888008efe048 R15: ffffffff84da62e0 [ 61.979333] FS: 000055555607f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.980513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.981400] CR2: 00007f0f0b23a6f4 CR3: 000000000c636000 CR4: 0000000000350ee0 [ 61.982456] Call Trace: [ 61.982889] [ 61.983232] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.983964] ipv6_frags_init_net+0x206/0x3c0 [ 61.984606] ops_init+0xbb/0x6b0 [ 61.985154] setup_net+0x3d9/0x990 [ 61.985680] ? down_read_killable+0x1d7/0x4e0 [ 61.986376] ? __pfx_setup_net+0x10/0x10 [ 61.987004] ? copy_net_ns+0x17c/0x770 [ 61.987594] copy_net_ns+0x321/0x770 [ 61.988201] create_new_namespaces+0x3f6/0xb30 [ 61.988917] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.989638] ksys_unshare+0x44d/0x8e0 [ 61.990234] ? __pfx_ksys_unshare+0x10/0x10 [ 61.990916] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.991717] __x64_sys_unshare+0x31/0x40 [ 61.992355] do_syscall_64+0x3f/0x90 [ 61.992948] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.993702] RIP: 0033:0x7f2fc9cbb0d7 [ 61.994291] 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 [ 61.996820] RSP: 002b:00007ffd4511f5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.997943] RAX: ffffffffffffffda RBX: 00007ffd4511fc18 RCX: 00007f2fc9cbb0d7 [ 61.998985] RDX: 00007f2fc9d2541f RSI: 00007ffd4511f570 RDI: 0000000040000000 [ 62.000020] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4511f380 [ 62.001057] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2fc9dcdbf0 [ 62.002083] R13: 00007ffd4511f6b0 R14: 0000000000000000 R15: 00000000000000f8 [ 62.003133] [ 62.003486] irq event stamp: 11241 [ 62.004027] hardirqs last enabled at (11253): [] __up_console_sem+0x78/0x80 [ 62.005284] hardirqs last disabled at (11264): [] __up_console_sem+0x5d/0x80 [ 62.006561] softirqs last enabled at (10738): [] irq_exit_rcu+0x93/0xc0 [ 62.007766] softirqs last disabled at (10715): [] irq_exit_rcu+0x93/0xc0 [ 62.008970] ---[ end trace 0000000000000000 ]--- [ 62.011014] ------------[ cut here ]------------ [ 62.011684] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 62.013800] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.015057] Modules linked in: [ 62.015521] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.016863] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.018015] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.018741] 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 [ 62.021125] RSP: 0018:ffff888016b4fbf0 EFLAGS: 00010286 [ 62.021878] RAX: 0000000000000000 RBX: ffff888008effa40 RCX: 0000000000000000 [ 62.022825] RDX: ffff88800fe90000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.023798] RBP: ffff888008effa54 R08: 0000000000000001 R09: 0000000000000000 [ 62.024776] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.025760] R13: ffffffff84e223a0 R14: ffff888008effa48 R15: ffffffff84daf020 [ 62.026757] FS: 000055555607f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 62.027872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.028660] CR2: 00007f0f0b23a6f4 CR3: 000000000c636000 CR4: 0000000000350ee0 [ 62.029640] Call Trace: [ 62.030040] [ 62.030369] nf_ct_net_init+0x224/0x3d0 [ 62.030975] ? __pfx_nf_ct_net_init+0x10/0x10 [ 62.031603] ops_init+0xbb/0x6b0 [ 62.032124] setup_net+0x3d9/0x990 [ 62.032624] ? down_read_killable+0x1d7/0x4e0 [ 62.033277] ? __pfx_setup_net+0x10/0x10 [ 62.033830] ? copy_net_ns+0x17c/0x770 [ 62.034417] copy_net_ns+0x321/0x770 [ 62.035007] create_new_namespaces+0x3f6/0xb30 [ 62.035646] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.036352] ksys_unshare+0x44d/0x8e0 [ 62.036927] ? __pfx_ksys_unshare+0x10/0x10 [ 62.037524] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.038344] __x64_sys_unshare+0x31/0x40 [ 62.038965] do_syscall_64+0x3f/0x90 [ 62.039483] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.040222] RIP: 0033:0x7f2fc9cbb0d7 [ 62.040726] 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 [ 62.043094] RSP: 002b:00007ffd4511f5d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.044125] RAX: ffffffffffffffda RBX: 00007ffd4511fc18 RCX: 00007f2fc9cbb0d7 [ 62.045093] RDX: 00007f2fc9d2541f RSI: 00007ffd4511f570 RDI: 0000000040000000 [ 62.046052] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4511f380 [ 62.047040] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2fc9dcdbf0 [ 62.047998] R13: 00007ffd4511f6b0 R14: 0000000000000000 R15: 00000000000000f8 [ 62.048991] [ 62.049317] irq event stamp: 12111 [ 62.049785] hardirqs last enabled at (12121): [] __up_console_sem+0x78/0x80 [ 62.050949] hardirqs last disabled at (12132): [] __up_console_sem+0x5d/0x80 [ 62.052112] softirqs last enabled at (11974): [] irq_exit_rcu+0x93/0xc0 [ 62.053238] softirqs last disabled at (11965): [] irq_exit_rcu+0x93/0xc0 [ 62.054355] ---[ end trace 0000000000000000 ]--- executing program [ 63.527647] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.574911] Bluetooth: hci0: command 0x041b tx timeout [ 67.622920] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.671915] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:47:09 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800cc52280 RCX=ffffffff82039231 RDX=ffff888010008000 RSI=0000000000000000 RDI=0000000000000004 RBP=0000000000002000 RSP=ffff8880100572a8 R8 =0000000000000004 R9 =0000000000002000 R10=0000000000010000 R11=0000000000000001 R12=0000000000010000 R13=dffffc0000000000 R14=ffff88800e44d600 R15=0000000000001000 RIP=ffffffff814bf870 RFL=00000287 [--S--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 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=00007f1a1bb16000 CR3=000000000ee32000 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=d53e6578ac8aafbea8430c511afce18f XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=26be704268dbdf8c000000000013ce88 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=e8ae2abdee00b87c00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 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=ffff888016b4f5f0 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 000055555607f400 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=00007f0f0b23a6f4 CR3=000000000c636000 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