Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:61925' (ECDSA) to the list of known hosts. 2023/05/17 14:48:28 fuzzer started 2023/05/17 14:48:29 dialing manager at localhost:44319 2023/05/17 14:48:29 checking machine... 2023/05/17 14:48:29 checking revisions... syzkaller login: [ 29.358074] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:48:29 testing simple program... [ 29.428795] cgroup: Unknown subsys name 'net' [ 29.510240] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 42.789945] audit: type=1400 audit(1684334922.817:6): 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 [ 43.897850] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.900375] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.901524] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.904710] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.906680] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.907767] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 44.300349] ------------[ cut here ]------------ [ 44.301137] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.303239] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.304494] Modules linked in: [ 44.305014] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.308959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.309978] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.310622] 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 [ 44.312838] RSP: 0018:ffff88800f79fc00 EFLAGS: 00010282 [ 44.313498] RAX: 0000000000000000 RBX: ffff88800ebca840 RCX: 0000000000000000 [ 44.314395] RDX: ffff888016849b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.315278] RBP: ffff88800ebca854 R08: 0000000000000001 R09: 0000000000000000 [ 44.316156] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.317054] R13: ffffffff84e23fe0 R14: ffff88800ebca848 R15: ffffffff84d74dc0 [ 44.317942] FS: 000055555579e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.318928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.319633] CR2: 00007f7e1bea16f4 CR3: 000000000ea28000 CR4: 0000000000350ee0 [ 44.320528] Call Trace: [ 44.320882] [ 44.321176] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 44.321788] ipv4_frags_init_net+0x269/0x440 [ 44.322371] ops_init+0xbb/0x6b0 [ 44.322843] setup_net+0x3d9/0x990 [ 44.323292] ? down_read_killable+0x1d7/0x4e0 [ 44.323887] ? __pfx_setup_net+0x10/0x10 [ 44.324413] ? copy_net_ns+0x17c/0x770 [ 44.324945] copy_net_ns+0x321/0x770 [ 44.325425] create_new_namespaces+0x3f6/0xb30 [ 44.326029] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.326633] ksys_unshare+0x44d/0x8e0 [ 44.327150] ? __pfx_ksys_unshare+0x10/0x10 [ 44.327686] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.328426] __x64_sys_unshare+0x31/0x40 [ 44.328966] do_syscall_64+0x3f/0x90 [ 44.329439] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.330106] RIP: 0033:0x7fe233a320d7 [ 44.330565] 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 [ 44.332707] RSP: 002b:00007ffce7516348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.333637] RAX: ffffffffffffffda RBX: 00007ffce7516988 RCX: 00007fe233a320d7 [ 44.334519] RDX: 00007fe233a9c41f RSI: 00007ffce75162e0 RDI: 0000000040000000 [ 44.335388] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffce75160f0 [ 44.336288] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe233b44bf0 [ 44.337170] R13: 00007ffce7516420 R14: 0000000000000000 R15: 00000000000000f8 [ 44.338075] [ 44.338371] irq event stamp: 10521 [ 44.338796] hardirqs last enabled at (10531): [] __up_console_sem+0x78/0x80 [ 44.339872] hardirqs last disabled at (10544): [] __up_console_sem+0x5d/0x80 [ 44.340938] softirqs last enabled at (10506): [] irq_exit_rcu+0x93/0xc0 [ 44.341967] softirqs last disabled at (10501): [] irq_exit_rcu+0x93/0xc0 [ 44.342996] ---[ end trace 0000000000000000 ]--- [ 44.348260] ------------[ cut here ]------------ [ 44.348901] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 44.350591] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.351702] Modules linked in: [ 44.352154] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.353351] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.354398] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.355098] 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 [ 44.357340] RSP: 0018:ffff88800f79fc00 EFLAGS: 00010282 [ 44.358030] RAX: 0000000000000000 RBX: ffff88800f778240 RCX: 0000000000000000 [ 44.358936] RDX: ffff888016849b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.359847] RBP: ffff88800f778254 R08: 0000000000000001 R09: 0000000000000000 [ 44.360740] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.361659] R13: ffffffff84e23fe0 R14: ffff88800f778248 R15: ffffffff84da7d60 [ 44.362574] FS: 000055555579e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.363606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.364389] CR2: 00007f7e1bea16f4 CR3: 000000000ea28000 CR4: 0000000000350ee0 [ 44.365304] Call Trace: [ 44.365641] [ 44.365973] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 44.366600] ipv6_frags_init_net+0x206/0x3c0 [ 44.367201] ops_init+0xbb/0x6b0 [ 44.367660] setup_net+0x3d9/0x990 [ 44.368158] ? down_read_killable+0x1d7/0x4e0 [ 44.368756] ? __pfx_setup_net+0x10/0x10 [ 44.369300] ? copy_net_ns+0x17c/0x770 [ 44.369847] copy_net_ns+0x321/0x770 [ 44.370352] create_new_namespaces+0x3f6/0xb30 [ 44.370980] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.371615] ksys_unshare+0x44d/0x8e0 [ 44.372152] ? __pfx_ksys_unshare+0x10/0x10 [ 44.372729] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.373480] __x64_sys_unshare+0x31/0x40 [ 44.374031] do_syscall_64+0x3f/0x90 [ 44.374519] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.375205] RIP: 0033:0x7fe233a320d7 [ 44.375679] 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 [ 44.377928] RSP: 002b:00007ffce7516348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.378903] RAX: ffffffffffffffda RBX: 00007ffce7516988 RCX: 00007fe233a320d7 [ 44.379777] RDX: 00007fe233a9c41f RSI: 00007ffce75162e0 RDI: 0000000040000000 [ 44.380690] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffce75160f0 [ 44.381595] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe233b44bf0 [ 44.382514] R13: 00007ffce7516420 R14: 0000000000000000 R15: 00000000000000f8 [ 44.383446] [ 44.383752] irq event stamp: 12049 [ 44.384251] hardirqs last enabled at (12061): [] __up_console_sem+0x78/0x80 [ 44.385346] hardirqs last disabled at (12072): [] __up_console_sem+0x5d/0x80 [ 44.386441] softirqs last enabled at (11068): [] netlink_insert+0x187/0x1820 [ 44.387645] softirqs last disabled at (12093): [] irq_exit_rcu+0x93/0xc0 [ 44.388724] ---[ end trace 0000000000000000 ]--- [ 44.390126] ------------[ cut here ]------------ [ 44.390727] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 44.392716] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.393830] Modules linked in: [ 44.394246] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.395436] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.396499] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.397198] 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 [ 44.399421] RSP: 0018:ffff88800f79fbf0 EFLAGS: 00010286 [ 44.400129] RAX: 0000000000000000 RBX: ffff88800f779240 RCX: 0000000000000000 [ 44.401067] RDX: ffff888016849b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.401987] RBP: ffff88800f779254 R08: 0000000000000001 R09: 0000000000000000 [ 44.402905] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.403774] R13: ffffffff84e23fe0 R14: ffff88800f779248 R15: ffffffff84db0aa0 [ 44.404713] FS: 000055555579e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.405724] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.406479] CR2: 00007f7e1bea16f4 CR3: 000000000ea28000 CR4: 0000000000350ee0 [ 44.407392] Call Trace: [ 44.407724] [ 44.408061] nf_ct_net_init+0x224/0x3d0 [ 44.408606] ? __pfx_nf_ct_net_init+0x10/0x10 [ 44.409229] ops_init+0xbb/0x6b0 [ 44.409686] setup_net+0x3d9/0x990 [ 44.410181] ? down_read_killable+0x1d7/0x4e0 [ 44.410769] ? __pfx_setup_net+0x10/0x10 [ 44.411326] ? copy_net_ns+0x17c/0x770 [ 44.411873] copy_net_ns+0x321/0x770 [ 44.412375] create_new_namespaces+0x3f6/0xb30 [ 44.413003] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.413619] ksys_unshare+0x44d/0x8e0 [ 44.414142] ? __pfx_ksys_unshare+0x10/0x10 [ 44.414682] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.415432] __x64_sys_unshare+0x31/0x40 [ 44.415975] do_syscall_64+0x3f/0x90 [ 44.416480] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.417163] RIP: 0033:0x7fe233a320d7 [ 44.417662] 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 [ 44.419934] RSP: 002b:00007ffce7516348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.420935] RAX: ffffffffffffffda RBX: 00007ffce7516988 RCX: 00007fe233a320d7 [ 44.421858] RDX: 00007fe233a9c41f RSI: 00007ffce75162e0 RDI: 0000000040000000 [ 44.422748] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffce75160f0 [ 44.423670] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe233b44bf0 [ 44.424598] R13: 00007ffce7516420 R14: 0000000000000000 R15: 00000000000000f8 [ 44.425543] [ 44.425884] irq event stamp: 12867 [ 44.426347] hardirqs last enabled at (12877): [] __up_console_sem+0x78/0x80 [ 44.427453] hardirqs last disabled at (12888): [] __up_console_sem+0x5d/0x80 [ 44.428587] softirqs last enabled at (12470): [] irq_exit_rcu+0x93/0xc0 [ 44.429666] softirqs last disabled at (12465): [] irq_exit_rcu+0x93/0xc0 [ 44.430755] ---[ end trace 0000000000000000 ]--- [ 45.923704] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 47.971490] Bluetooth: hci0: command 0x041b tx timeout [ 50.018895] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.066896] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:48:43 Registers: info registers vcpu 0 RAX=000000000001ac95 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007fcd577c4a50 CR3=000000000ec72000 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=fed4d66f444581b2e84fa8857cff7cab XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=1823c63dccee73f5000000000013c0f0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=6e361a63024a01bb00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f79f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 000055555579e400 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=00007f7e1bea16f4 CR3=000000000ea28000 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