Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:58164' (ECDSA) to the list of known hosts. 2023/05/18 05:07:50 fuzzer started 2023/05/18 05:07:50 dialing manager at localhost:44319 2023/05/18 05:07:50 checking machine... 2023/05/18 05:07:50 checking revisions... syzkaller login: [ 38.808430] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:07:50 testing simple program... [ 38.871422] cgroup: Unknown subsys name 'net' [ 38.943505] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.764135] audit: type=1400 audit(1684386483.563:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.915514] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.917806] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.919984] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.923147] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.924534] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.934277] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.304031] ------------[ cut here ]------------ [ 53.304678] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.306683] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.307772] Modules linked in: [ 53.308180] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.312871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.314041] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.314682] 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 [ 53.317081] RSP: 0018:ffff88801ffd7c00 EFLAGS: 00010282 [ 53.317936] RAX: 0000000000000000 RBX: ffff88800ea26840 RCX: 0000000000000000 [ 53.318906] RDX: ffff888016208000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.319894] RBP: ffff88800ea26854 R08: 0000000000000001 R09: 0000000000000000 [ 53.320788] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.321643] R13: ffffffff84e23fe0 R14: ffff88800ea26848 R15: ffffffff84d74dc0 [ 53.322540] FS: 0000555557044400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.323529] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.324300] CR2: 00007f8886ee36f4 CR3: 000000000da7c000 CR4: 0000000000350ef0 [ 53.325186] Call Trace: [ 53.325508] [ 53.325832] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.326443] ipv4_frags_init_net+0x269/0x440 [ 53.327029] ops_init+0xbb/0x6b0 [ 53.327472] setup_net+0x3d9/0x990 [ 53.327968] ? down_read_killable+0x1d7/0x4e0 [ 53.328531] ? __pfx_setup_net+0x10/0x10 [ 53.329069] ? copy_net_ns+0x17c/0x770 [ 53.329568] copy_net_ns+0x321/0x770 [ 53.330085] create_new_namespaces+0x3f6/0xb30 [ 53.330672] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.331321] ksys_unshare+0x44d/0x8e0 [ 53.331869] ? __pfx_ksys_unshare+0x10/0x10 [ 53.332421] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.333168] __x64_sys_unshare+0x31/0x40 [ 53.333678] do_syscall_64+0x3f/0x90 [ 53.334185] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.334851] RIP: 0033:0x7f4544afb0d7 [ 53.335310] 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 [ 53.337458] RSP: 002b:00007ffc286d9f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.338401] RAX: ffffffffffffffda RBX: 00007ffc286da548 RCX: 00007f4544afb0d7 [ 53.339274] RDX: 00007f4544b6541f RSI: 00007ffc286d9ea0 RDI: 0000000040000000 [ 53.340162] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc286d9cb0 [ 53.341047] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4544c0dbf0 [ 53.341927] R13: 00007ffc286d9fe0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.342843] [ 53.343139] irq event stamp: 8959 [ 53.343556] hardirqs last enabled at (8969): [] __up_console_sem+0x78/0x80 [ 53.344631] hardirqs last disabled at (8980): [] __up_console_sem+0x5d/0x80 [ 53.345683] softirqs last enabled at (8606): [] irq_exit_rcu+0x93/0xc0 [ 53.346702] softirqs last disabled at (8601): [] irq_exit_rcu+0x93/0xc0 [ 53.347744] ---[ end trace 0000000000000000 ]--- [ 53.353468] ------------[ cut here ]------------ [ 53.355187] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.357161] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.358358] Modules linked in: [ 53.358959] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.360261] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.361411] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.362206] 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 [ 53.364486] RSP: 0018:ffff88801ffd7c00 EFLAGS: 00010282 [ 53.365292] RAX: 0000000000000000 RBX: ffff88800e40a240 RCX: 0000000000000000 [ 53.366289] RDX: ffff888016208000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.367352] RBP: ffff88800e40a254 R08: 0000000000000001 R09: 0000000000000000 [ 53.368345] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.369382] R13: ffffffff84e23fe0 R14: ffff88800e40a248 R15: ffffffff84da7d60 [ 53.370385] FS: 0000555557044400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.371471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.372376] CR2: 00007f659e486dc0 CR3: 000000000da7c000 CR4: 0000000000350ee0 [ 53.373387] Call Trace: [ 53.373924] [ 53.374222] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.374996] ipv6_frags_init_net+0x206/0x3c0 [ 53.375556] ops_init+0xbb/0x6b0 [ 53.376191] setup_net+0x3d9/0x990 [ 53.376651] ? down_read_killable+0x1d7/0x4e0 [ 53.377425] ? __pfx_setup_net+0x10/0x10 [ 53.378083] ? copy_net_ns+0x17c/0x770 [ 53.378591] copy_net_ns+0x321/0x770 [ 53.379237] create_new_namespaces+0x3f6/0xb30 [ 53.379992] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.380610] ksys_unshare+0x44d/0x8e0 [ 53.381246] ? __pfx_ksys_unshare+0x10/0x10 [ 53.381988] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.382698] __x64_sys_unshare+0x31/0x40 [ 53.383376] do_syscall_64+0x3f/0x90 [ 53.384011] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.384657] RIP: 0033:0x7f4544afb0d7 [ 53.385278] 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 [ 53.387573] RSP: 002b:00007ffc286d9f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.388621] RAX: ffffffffffffffda RBX: 00007ffc286da548 RCX: 00007f4544afb0d7 [ 53.389593] RDX: 00007f4544b6541f RSI: 00007ffc286d9ea0 RDI: 0000000040000000 [ 53.390561] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc286d9cb0 [ 53.391451] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4544c0dbf0 [ 53.392357] R13: 00007ffc286d9fe0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.393267] [ 53.393563] irq event stamp: 13715 [ 53.394022] hardirqs last enabled at (13727): [] __up_console_sem+0x78/0x80 [ 53.395076] hardirqs last disabled at (13738): [] __up_console_sem+0x5d/0x80 [ 53.396147] softirqs last enabled at (13664): [] irq_exit_rcu+0x93/0xc0 [ 53.397183] softirqs last disabled at (13637): [] irq_exit_rcu+0x93/0xc0 [ 53.398212] ---[ end trace 0000000000000000 ]--- [ 53.399525] ------------[ cut here ]------------ [ 53.400168] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.402165] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.403218] Modules linked in: [ 53.403622] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.404795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.405799] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.406447] 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 [ 53.408626] RSP: 0018:ffff88801ffd7bf0 EFLAGS: 00010286 [ 53.409309] RAX: 0000000000000000 RBX: ffff88800e40aa40 RCX: 0000000000000000 [ 53.410198] RDX: ffff888016208000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.411083] RBP: ffff88800e40aa54 R08: 0000000000000001 R09: 0000000000000000 [ 53.411990] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.412873] R13: ffffffff84e23fe0 R14: ffff88800e40aa48 R15: ffffffff84db0aa0 [ 53.413753] FS: 0000555557044400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.414747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.415444] CR2: 00007f659e486dc0 CR3: 000000000da7c000 CR4: 0000000000350ee0 [ 53.416356] Call Trace: [ 53.416682] [ 53.417003] nf_ct_net_init+0x224/0x3d0 [ 53.417521] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.418121] ops_init+0xbb/0x6b0 [ 53.418564] setup_net+0x3d9/0x990 [ 53.419052] ? down_read_killable+0x1d7/0x4e0 [ 53.419625] ? __pfx_setup_net+0x10/0x10 [ 53.420173] ? copy_net_ns+0x17c/0x770 [ 53.420675] copy_net_ns+0x321/0x770 [ 53.421189] create_new_namespaces+0x3f6/0xb30 [ 53.421795] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.422414] ksys_unshare+0x44d/0x8e0 [ 53.422934] ? __pfx_ksys_unshare+0x10/0x10 [ 53.423472] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.424232] __x64_sys_unshare+0x31/0x40 [ 53.424780] do_syscall_64+0x3f/0x90 [ 53.425257] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.425916] RIP: 0033:0x7f4544afb0d7 [ 53.426382] 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 [ 53.428556] RSP: 002b:00007ffc286d9f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.429504] RAX: ffffffffffffffda RBX: 00007ffc286da548 RCX: 00007f4544afb0d7 [ 53.430385] RDX: 00007f4544b6541f RSI: 00007ffc286d9ea0 RDI: 0000000040000000 [ 53.431274] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc286d9cb0 [ 53.432161] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4544c0dbf0 [ 53.433034] R13: 00007ffc286d9fe0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.433941] [ 53.434239] irq event stamp: 14541 [ 53.434685] hardirqs last enabled at (14551): [] __up_console_sem+0x78/0x80 [ 53.435801] hardirqs last disabled at (14564): [] __up_console_sem+0x5d/0x80 [ 53.436925] softirqs last enabled at (14448): [] irq_exit_rcu+0x93/0xc0 [ 53.437990] softirqs last disabled at (14439): [] irq_exit_rcu+0x93/0xc0 [ 53.439054] ---[ end trace 0000000000000000 ]--- executing program [ 54.995262] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.042764] Bluetooth: hci0: command 0x041b tx timeout [ 59.090770] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.138796] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:08:02 Registers: info registers vcpu 0 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ffd75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 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 0000555557044400 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=00007f8886ee36f4 CR3=000000000da7c000 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=000000000002b9fb 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=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 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=00007f659e4185e0 CR3=000000000e49c000 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=863bcf43ba135abfbe408d6edaeda8c7 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=7548cfa03a6194e7000000000013d4d8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=997bbcb4cf5538cf00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000