Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:57562' (ECDSA) to the list of known hosts. 2023/05/18 05:56:24 fuzzer started 2023/05/18 05:56:24 dialing manager at localhost:44319 2023/05/18 05:56:24 checking machine... 2023/05/18 05:56:24 checking revisions... syzkaller login: [ 37.288424] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:56:24 testing simple program... [ 37.360848] cgroup: Unknown subsys name 'net' [ 37.441691] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.791057] audit: type=1400 audit(1684389397.143:6): 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 [ 50.912068] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.913686] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.915491] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.919038] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.920539] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.922125] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.310684] ------------[ cut here ]------------ [ 51.311518] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.313511] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.314865] Modules linked in: [ 51.315387] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.320055] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.321084] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.321731] 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 [ 51.323920] RSP: 0018:ffff88801f637c00 EFLAGS: 00010282 [ 51.324583] RAX: 0000000000000000 RBX: ffff88800692b840 RCX: 0000000000000000 [ 51.325490] RDX: ffff888017bc1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.326392] RBP: ffff88800692b854 R08: 0000000000000001 R09: 0000000000000000 [ 51.327311] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.328211] R13: ffffffff84e23fe0 R14: ffff88800692b848 R15: ffffffff84d74dc0 [ 51.329109] FS: 0000555556d9f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.330121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.330892] CR2: 00007f7bcd29f6f4 CR3: 000000000e1b8000 CR4: 0000000000350ef0 [ 51.331764] Call Trace: [ 51.332134] [ 51.332469] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.333130] ipv4_frags_init_net+0x269/0x440 [ 51.333692] ops_init+0xbb/0x6b0 [ 51.334216] setup_net+0x3d9/0x990 [ 51.334938] ? down_read_killable+0x1d7/0x4e0 [ 51.335528] ? __pfx_setup_net+0x10/0x10 [ 51.336077] ? copy_net_ns+0x17c/0x770 [ 51.336590] copy_net_ns+0x321/0x770 [ 51.337106] create_new_namespaces+0x3f6/0xb30 [ 51.337698] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.338350] ksys_unshare+0x44d/0x8e0 [ 51.338870] ? __pfx_ksys_unshare+0x10/0x10 [ 51.339436] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.340179] __x64_sys_unshare+0x31/0x40 [ 51.340695] do_syscall_64+0x3f/0x90 [ 51.341207] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.341889] RIP: 0033:0x7fdbc28680d7 [ 51.342357] 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 [ 51.344525] RSP: 002b:00007ffd72283078 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.345475] RAX: ffffffffffffffda RBX: 00007ffd722836b8 RCX: 00007fdbc28680d7 [ 51.346377] RDX: 00007fdbc28d241f RSI: 00007ffd72283010 RDI: 0000000040000000 [ 51.347285] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd72282e20 [ 51.348173] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdbc297abf0 [ 51.349053] R13: 00007ffd72283150 R14: 0000000000000000 R15: 00000000000000f8 [ 51.349963] [ 51.350267] irq event stamp: 9007 [ 51.350688] hardirqs last enabled at (9017): [] __up_console_sem+0x78/0x80 [ 51.351758] hardirqs last disabled at (9028): [] __up_console_sem+0x5d/0x80 [ 51.352835] softirqs last enabled at (8758): [] irq_exit_rcu+0x93/0xc0 [ 51.353869] softirqs last disabled at (8751): [] irq_exit_rcu+0x93/0xc0 [ 51.354890] ---[ end trace 0000000000000000 ]--- [ 51.360610] ------------[ cut here ]------------ [ 51.361238] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.363005] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.364127] Modules linked in: [ 51.364586] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.365866] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.366977] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.367680] 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 [ 51.370010] RSP: 0018:ffff88801f637c00 EFLAGS: 00010282 [ 51.370711] RAX: 0000000000000000 RBX: ffff888008d57840 RCX: 0000000000000000 [ 51.371697] RDX: ffff888017bc1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.372679] RBP: ffff888008d57854 R08: 0000000000000001 R09: 0000000000000000 [ 51.373649] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.374603] R13: ffffffff84e23fe0 R14: ffff888008d57848 R15: ffffffff84da7d60 [ 51.375579] FS: 0000555556d9f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.376660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.377472] CR2: 00007f7bcd29f6f4 CR3: 000000000e1b8000 CR4: 0000000000350ef0 [ 51.378423] Call Trace: [ 51.378780] [ 51.379158] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.379874] ipv6_frags_init_net+0x206/0x3c0 [ 51.380476] ops_init+0xbb/0x6b0 [ 51.381021] setup_net+0x3d9/0x990 [ 51.381508] ? down_read_killable+0x1d7/0x4e0 [ 51.382174] ? __pfx_setup_net+0x10/0x10 [ 51.382726] ? copy_net_ns+0x17c/0x770 [ 51.383349] copy_net_ns+0x321/0x770 [ 51.383906] create_new_namespaces+0x3f6/0xb30 [ 51.384536] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.385257] ksys_unshare+0x44d/0x8e0 [ 51.385793] ? __pfx_ksys_unshare+0x10/0x10 [ 51.386424] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.387248] __x64_sys_unshare+0x31/0x40 [ 51.387845] do_syscall_64+0x3f/0x90 [ 51.388367] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.389122] RIP: 0033:0x7fdbc28680d7 [ 51.389614] 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 [ 51.391979] RSP: 002b:00007ffd72283078 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.392999] RAX: ffffffffffffffda RBX: 00007ffd722836b8 RCX: 00007fdbc28680d7 [ 51.393972] RDX: 00007fdbc28d241f RSI: 00007ffd72283010 RDI: 0000000040000000 [ 51.394925] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd72282e20 [ 51.395897] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdbc297abf0 [ 51.396852] R13: 00007ffd72283150 R14: 0000000000000000 R15: 00000000000000f8 [ 51.397775] [ 51.398163] irq event stamp: 10779 [ 51.398599] hardirqs last enabled at (10789): [] __up_console_sem+0x78/0x80 [ 51.399716] hardirqs last disabled at (10800): [] __up_console_sem+0x5d/0x80 [ 51.400819] softirqs last enabled at (10328): [] irq_exit_rcu+0x93/0xc0 [ 51.401857] softirqs last disabled at (10323): [] irq_exit_rcu+0x93/0xc0 [ 51.402885] ---[ end trace 0000000000000000 ]--- [ 51.406014] ------------[ cut here ]------------ [ 51.406598] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.408547] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.409621] Modules linked in: [ 51.410065] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.411247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.412265] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.412950] 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 [ 51.415159] RSP: 0018:ffff88801f637bf0 EFLAGS: 00010286 [ 51.415849] RAX: 0000000000000000 RBX: ffff88801614b840 RCX: 0000000000000000 [ 51.416714] RDX: ffff888017bc1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.417620] RBP: ffff88801614b854 R08: 0000000000000001 R09: 0000000000000000 [ 51.418539] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.419476] R13: ffffffff84e23fe0 R14: ffff88801614b848 R15: ffffffff84db0aa0 [ 51.420384] FS: 0000555556d9f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.421394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.422131] CR2: 00007f7bcd29f6f4 CR3: 000000000e1b8000 CR4: 0000000000350ef0 [ 51.423025] Call Trace: [ 51.423362] [ 51.423661] nf_ct_net_init+0x224/0x3d0 [ 51.424214] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.424831] ops_init+0xbb/0x6b0 [ 51.425282] setup_net+0x3d9/0x990 [ 51.425741] ? down_read_killable+0x1d7/0x4e0 [ 51.426348] ? __pfx_setup_net+0x10/0x10 [ 51.426893] ? copy_net_ns+0x17c/0x770 [ 51.427427] copy_net_ns+0x321/0x770 [ 51.427951] create_new_namespaces+0x3f6/0xb30 [ 51.428544] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.429207] ksys_unshare+0x44d/0x8e0 [ 51.429704] ? __pfx_ksys_unshare+0x10/0x10 [ 51.430295] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.431039] __x64_sys_unshare+0x31/0x40 [ 51.431561] do_syscall_64+0x3f/0x90 [ 51.432080] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.432720] RIP: 0033:0x7fdbc28680d7 [ 51.433214] 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 [ 51.435392] RSP: 002b:00007ffd72283078 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.436348] RAX: ffffffffffffffda RBX: 00007ffd722836b8 RCX: 00007fdbc28680d7 [ 51.437239] RDX: 00007fdbc28d241f RSI: 00007ffd72283010 RDI: 0000000040000000 [ 51.438139] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd72282e20 [ 51.439026] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdbc297abf0 [ 51.439959] R13: 00007ffd72283150 R14: 0000000000000000 R15: 00000000000000f8 [ 51.440882] [ 51.441183] irq event stamp: 13479 [ 51.441610] hardirqs last enabled at (13489): [] __up_console_sem+0x78/0x80 [ 51.442697] hardirqs last disabled at (13500): [] __up_console_sem+0x5d/0x80 [ 51.443781] softirqs last enabled at (13318): [] irq_exit_rcu+0x93/0xc0 [ 51.444844] softirqs last disabled at (13313): [] irq_exit_rcu+0x93/0xc0 [ 51.445904] ---[ end trace 0000000000000000 ]--- executing program [ 52.997915] Bluetooth: hci0: command 0x0409 tx timeout [ 55.045226] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.093924] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.140936] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:56:38 Registers: info registers vcpu 0 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f6375f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d 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 0000555556d9f400 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=00007f7bcd29f6f4 CR3=000000000e1b8000 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=0000000000030435 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=00007f44f62f9960 CR3=0000000016150000 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=2038333a36353a35302038312079614d XMM01=5d3131353331332e31352020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3131353331332e31352020205b XMM07=79732038333a36353a35302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000