Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:33365' (ECDSA) to the list of known hosts. 2023/05/17 06:01:31 fuzzer started 2023/05/17 06:01:32 dialing manager at localhost:35573 2023/05/17 06:01:32 checking machine... 2023/05/17 06:01:32 checking revisions... syzkaller login: [ 42.172034] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:01:32 testing simple program... [ 42.239260] cgroup: Unknown subsys name 'net' [ 42.294049] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.254868] audit: type=1400 audit(1684303305.329:6): 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 [ 56.413995] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.415409] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.417107] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.420409] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.423043] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.424459] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.830202] ------------[ cut here ]------------ [ 56.831014] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.833123] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.834471] Modules linked in: [ 56.835134] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.839911] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.841068] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.841752] 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 [ 56.843951] RSP: 0018:ffff888016fc7c00 EFLAGS: 00010282 [ 56.844595] RAX: 0000000000000000 RBX: ffff88800dbf4840 RCX: 0000000000000000 [ 56.845489] RDX: ffff888018600000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.846399] RBP: ffff88800dbf4854 R08: 0000000000000001 R09: 0000000000000000 [ 56.847277] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.848164] R13: ffffffff84e223a0 R14: ffff88800dbf4848 R15: ffffffff84d73340 [ 56.849054] FS: 0000555557127400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.850046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.850807] CR2: 00007f4febb0a6f4 CR3: 000000000d97c000 CR4: 0000000000350ee0 [ 56.851681] Call Trace: [ 56.852004] [ 56.852306] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.852951] ipv4_frags_init_net+0x269/0x440 [ 56.853500] ops_init+0xbb/0x6b0 [ 56.853978] setup_net+0x3d9/0x990 [ 56.854432] ? down_read_killable+0x1d7/0x4e0 [ 56.855026] ? __pfx_setup_net+0x10/0x10 [ 56.855539] ? copy_net_ns+0x17c/0x770 [ 56.856069] copy_net_ns+0x321/0x770 [ 56.856555] create_new_namespaces+0x3f6/0xb30 [ 56.857167] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.857808] ksys_unshare+0x44d/0x8e0 [ 56.858303] ? __pfx_ksys_unshare+0x10/0x10 [ 56.858909] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.859626] __x64_sys_unshare+0x31/0x40 [ 56.860167] do_syscall_64+0x3f/0x90 [ 56.860641] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.861310] RIP: 0033:0x7f11068130d7 [ 56.861803] 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 [ 56.863969] RSP: 002b:00007fffaf5956b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.864929] RAX: ffffffffffffffda RBX: 00007fffaf595cf8 RCX: 00007f11068130d7 [ 56.865846] RDX: 00007f110687d41f RSI: 00007fffaf595650 RDI: 0000000040000000 [ 56.866772] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaf595460 [ 56.867677] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1106925bf0 [ 56.868565] R13: 00007fffaf595790 R14: 0000000000000000 R15: 00000000000000f8 [ 56.869510] [ 56.869841] irq event stamp: 8557 [ 56.870279] hardirqs last enabled at (8567): [] __up_console_sem+0x78/0x80 [ 56.871405] hardirqs last disabled at (8578): [] __up_console_sem+0x5d/0x80 [ 56.872505] softirqs last enabled at (8118): [] irq_exit_rcu+0x93/0xc0 [ 56.873574] softirqs last disabled at (8113): [] irq_exit_rcu+0x93/0xc0 [ 56.874660] ---[ end trace 0000000000000000 ]--- [ 56.885637] ------------[ cut here ]------------ [ 56.886270] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.888056] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.889172] Modules linked in: [ 56.889560] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.890772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.892029] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.892917] 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 [ 56.895596] RSP: 0018:ffff888016fc7c00 EFLAGS: 00010282 [ 56.896500] RAX: 0000000000000000 RBX: ffff8880135eda40 RCX: 0000000000000000 [ 56.897759] RDX: ffff888018600000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.898921] RBP: ffff8880135eda54 R08: 0000000000000001 R09: 0000000000000000 [ 56.900062] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.901200] R13: ffffffff84e223a0 R14: ffff8880135eda48 R15: ffffffff84da62e0 [ 56.902374] FS: 0000555557127400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.903755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.904594] CR2: 00007fae7ade4000 CR3: 000000000d97c000 CR4: 0000000000350ef0 [ 56.905707] Call Trace: [ 56.906096] [ 56.906452] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.907207] ipv6_frags_init_net+0x206/0x3c0 [ 56.907899] ops_init+0xbb/0x6b0 [ 56.908419] setup_net+0x3d9/0x990 [ 56.908997] ? down_read_killable+0x1d7/0x4e0 [ 56.909704] ? __pfx_setup_net+0x10/0x10 [ 56.910304] ? copy_net_ns+0x17c/0x770 [ 56.910947] copy_net_ns+0x321/0x770 [ 56.911510] create_new_namespaces+0x3f6/0xb30 [ 56.912231] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.912991] ksys_unshare+0x44d/0x8e0 [ 56.913568] ? __pfx_ksys_unshare+0x10/0x10 [ 56.914244] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.915145] __x64_sys_unshare+0x31/0x40 [ 56.915798] do_syscall_64+0x3f/0x90 [ 56.916355] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.917150] RIP: 0033:0x7f11068130d7 [ 56.917732] 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 [ 56.920289] RSP: 002b:00007fffaf5956b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.921404] RAX: ffffffffffffffda RBX: 00007fffaf595cf8 RCX: 00007f11068130d7 [ 56.922467] RDX: 00007f110687d41f RSI: 00007fffaf595650 RDI: 0000000040000000 [ 56.923518] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaf595460 [ 56.924572] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1106925bf0 [ 56.925617] R13: 00007fffaf595790 R14: 0000000000000000 R15: 00000000000000f8 [ 56.926730] [ 56.927083] irq event stamp: 11797 [ 56.927590] hardirqs last enabled at (11807): [] __up_console_sem+0x78/0x80 [ 56.928855] hardirqs last disabled at (11818): [] __up_console_sem+0x5d/0x80 [ 56.930112] softirqs last enabled at (11508): [] irq_exit_rcu+0x93/0xc0 [ 56.931351] softirqs last disabled at (11503): [] irq_exit_rcu+0x93/0xc0 [ 56.932587] ---[ end trace 0000000000000000 ]--- [ 56.934642] ------------[ cut here ]------------ [ 56.935514] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.937716] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.938927] Modules linked in: [ 56.939350] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.940755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.941993] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.942825] 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 [ 56.945217] RSP: 0018:ffff888016fc7bf0 EFLAGS: 00010286 [ 56.946097] RAX: 0000000000000000 RBX: ffff88800df3aa40 RCX: 0000000000000000 [ 56.947158] RDX: ffff888018600000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.948205] RBP: ffff88800df3aa54 R08: 0000000000000001 R09: 0000000000000000 [ 56.949219] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.950337] R13: ffffffff84e223a0 R14: ffff88800df3aa48 R15: ffffffff84daf020 [ 56.951388] FS: 0000555557127400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.952530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.953426] CR2: 00007fae7ad2d628 CR3: 000000000d97c000 CR4: 0000000000350ee0 [ 56.954814] Call Trace: [ 56.955255] [ 56.955636] nf_ct_net_init+0x224/0x3d0 [ 56.956584] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.957524] ops_init+0xbb/0x6b0 [ 56.958309] setup_net+0x3d9/0x990 [ 56.959055] ? down_read_killable+0x1d7/0x4e0 [ 56.960059] ? __pfx_setup_net+0x10/0x10 [ 56.960869] ? copy_net_ns+0x17c/0x770 [ 56.961508] copy_net_ns+0x321/0x770 [ 56.962243] create_new_namespaces+0x3f6/0xb30 [ 56.963188] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.964023] ksys_unshare+0x44d/0x8e0 [ 56.964539] ? __pfx_ksys_unshare+0x10/0x10 [ 56.965314] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.966206] __x64_sys_unshare+0x31/0x40 [ 56.966917] do_syscall_64+0x3f/0x90 [ 56.967403] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.968247] RIP: 0033:0x7f11068130d7 [ 56.968861] 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 [ 56.971274] RSP: 002b:00007fffaf5956b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.972435] RAX: ffffffffffffffda RBX: 00007fffaf595cf8 RCX: 00007f11068130d7 [ 56.973440] RDX: 00007f110687d41f RSI: 00007fffaf595650 RDI: 0000000040000000 [ 56.974512] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaf595460 [ 56.975593] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1106925bf0 [ 56.976732] R13: 00007fffaf595790 R14: 0000000000000000 R15: 00000000000000f8 [ 56.977787] [ 56.978105] irq event stamp: 15305 [ 56.978560] hardirqs last enabled at (15315): [] __up_console_sem+0x78/0x80 [ 56.979824] hardirqs last disabled at (15404): [] __up_console_sem+0x5d/0x80 [ 56.981062] softirqs last enabled at (15466): [] irq_exit_rcu+0x93/0xc0 [ 56.982271] softirqs last disabled at (15479): [] irq_exit_rcu+0x93/0xc0 [ 56.983398] ---[ end trace 0000000000000000 ]--- executing program [ 58.498286] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.545780] Bluetooth: hci0: command 0x041b tx timeout [ 62.593710] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.641721] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:01:41 Registers: info registers vcpu 0 RAX=00000000000294ad 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=00000202 [-------] 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=00007fae7acba370 CR3=0000000015f00000 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=8fc68a1e7f568f8fa849f29bc1bffd67 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=c5112ad4deb49908000000000013c1b0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=401e028705b9d0b000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000002000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016fc75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555557127400 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=00007f4febb0a6f4 CR3=000000000d97c000 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