Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:41461' (ECDSA) to the list of known hosts. 2023/05/17 10:53:21 fuzzer started 2023/05/17 10:53:21 dialing manager at localhost:44319 2023/05/17 10:53:21 checking machine... 2023/05/17 10:53:21 checking revisions... syzkaller login: [ 29.350933] kmemleak: Automatic memory scanning thread ended 2023/05/17 10:53:22 testing simple program... [ 29.422138] cgroup: Unknown subsys name 'net' [ 29.502439] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.191116] audit: type=1400 audit(1684320815.973:6): 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 executing program [ 44.328845] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.332542] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.333761] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.338849] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.340501] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.341833] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.735826] ------------[ cut here ]------------ [ 44.736634] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.738875] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.739988] Modules linked in: [ 44.740417] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.745097] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.746119] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.746791] 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 [ 44.749047] RSP: 0018:ffff888017c47c00 EFLAGS: 00010282 [ 44.749695] RAX: 0000000000000000 RBX: ffff88800caa7440 RCX: 0000000000000000 [ 44.750620] RDX: ffff888019633680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.751505] RBP: ffff88800caa7454 R08: 0000000000000001 R09: 0000000000000000 [ 44.752407] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 44.753295] R13: ffffffff84e23fe0 R14: ffff88800caa7448 R15: ffffffff84d74dc0 [ 44.754197] FS: 000055555733a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.755205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.755909] CR2: 00007f1b2b4656f4 CR3: 00000000185d8000 CR4: 0000000000350ee0 [ 44.756792] Call Trace: [ 44.757149] [ 44.757450] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 44.758089] ipv4_frags_init_net+0x269/0x440 [ 44.758671] ops_init+0xbb/0x6b0 [ 44.759154] setup_net+0x3d9/0x990 [ 44.759613] ? down_read_killable+0x1d7/0x4e0 [ 44.760211] ? __pfx_setup_net+0x10/0x10 [ 44.760714] ? copy_net_ns+0x17c/0x770 [ 44.761255] copy_net_ns+0x321/0x770 [ 44.761737] create_new_namespaces+0x3f6/0xb30 [ 44.762358] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.762968] ksys_unshare+0x44d/0x8e0 [ 44.763485] ? __pfx_ksys_unshare+0x10/0x10 [ 44.764065] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.764772] __x64_sys_unshare+0x31/0x40 [ 44.765315] do_syscall_64+0x3f/0x90 [ 44.765788] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.766489] RIP: 0033:0x7fc90e4410d7 [ 44.766951] 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 [ 44.769100] RSP: 002b:00007ffe785ad4b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.769999] RAX: ffffffffffffffda RBX: 00007ffe785adaf8 RCX: 00007fc90e4410d7 [ 44.770892] RDX: 00007fc90e4ab41f RSI: 00007ffe785ad450 RDI: 0000000040000000 [ 44.771772] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe785ad260 [ 44.772649] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc90e553bf0 [ 44.773522] R13: 00007ffe785ad590 R14: 0000000000000000 R15: 00000000000000f8 [ 44.774430] [ 44.774731] irq event stamp: 10903 [ 44.775195] hardirqs last enabled at (10915): [] __up_console_sem+0x78/0x80 [ 44.776255] hardirqs last disabled at (10926): [] __up_console_sem+0x5d/0x80 [ 44.777322] softirqs last enabled at (10746): [] irq_exit_rcu+0x93/0xc0 [ 44.778371] softirqs last disabled at (10741): [] irq_exit_rcu+0x93/0xc0 [ 44.779403] ---[ end trace 0000000000000000 ]--- [ 44.784485] ------------[ cut here ]------------ [ 44.785121] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 44.786983] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.788100] Modules linked in: [ 44.788507] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.789668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.790709] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.791403] 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 [ 44.793648] RSP: 0018:ffff888017c47c00 EFLAGS: 00010282 [ 44.794364] RAX: 0000000000000000 RBX: ffff88800d722040 RCX: 0000000000000000 [ 44.795259] RDX: ffff888019633680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.796160] RBP: ffff88800d722054 R08: 0000000000000001 R09: 0000000000000000 [ 44.797063] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.797918] R13: ffffffff84e23fe0 R14: ffff88800d722048 R15: ffffffff84da7d60 [ 44.798845] FS: 000055555733a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.799838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.800623] CR2: 00007f1b2b4656f4 CR3: 00000000185d8000 CR4: 0000000000350ee0 [ 44.801759] Call Trace: [ 44.802123] [ 44.802432] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 44.803086] ipv6_frags_init_net+0x206/0x3c0 [ 44.803652] ops_init+0xbb/0x6b0 [ 44.804142] setup_net+0x3d9/0x990 [ 44.804603] ? down_read_killable+0x1d7/0x4e0 [ 44.805214] ? __pfx_setup_net+0x10/0x10 [ 44.805731] ? copy_net_ns+0x17c/0x770 [ 44.806283] copy_net_ns+0x321/0x770 [ 44.806798] create_new_namespaces+0x3f6/0xb30 [ 44.807441] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.808113] ksys_unshare+0x44d/0x8e0 [ 44.808597] ? __pfx_ksys_unshare+0x10/0x10 [ 44.809186] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.809891] __x64_sys_unshare+0x31/0x40 [ 44.810454] do_syscall_64+0x3f/0x90 [ 44.810927] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.811771] RIP: 0033:0x7fc90e4410d7 [ 44.812324] 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 [ 44.814589] RSP: 002b:00007ffe785ad4b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.815558] RAX: ffffffffffffffda RBX: 00007ffe785adaf8 RCX: 00007fc90e4410d7 [ 44.816457] RDX: 00007fc90e4ab41f RSI: 00007ffe785ad450 RDI: 0000000040000000 [ 44.817358] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe785ad260 [ 44.818244] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc90e553bf0 [ 44.819173] R13: 00007ffe785ad590 R14: 0000000000000000 R15: 00000000000000f8 [ 44.820101] [ 44.820399] irq event stamp: 12603 [ 44.820829] hardirqs last enabled at (12613): [] __up_console_sem+0x78/0x80 [ 44.821909] hardirqs last disabled at (12624): [] __up_console_sem+0x5d/0x80 [ 44.823006] softirqs last enabled at (12484): [] irq_exit_rcu+0x93/0xc0 [ 44.824080] softirqs last disabled at (12477): [] irq_exit_rcu+0x93/0xc0 [ 44.825114] ---[ end trace 0000000000000000 ]--- [ 44.826636] ------------[ cut here ]------------ [ 44.827328] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 44.829301] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.830367] Modules linked in: [ 44.830770] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.831956] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.832971] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.833639] 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 [ 44.835938] RSP: 0018:ffff888017c47bf0 EFLAGS: 00010286 [ 44.836633] RAX: 0000000000000000 RBX: ffff88800d722640 RCX: 0000000000000000 [ 44.837543] RDX: ffff888019633680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.838478] RBP: ffff88800d722654 R08: 0000000000000001 R09: 0000000000000000 [ 44.839363] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.840290] R13: ffffffff84e23fe0 R14: ffff88800d722648 R15: ffffffff84db0aa0 [ 44.841197] FS: 000055555733a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.842211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.842959] CR2: 00007f1b2b4656f4 CR3: 00000000185d8000 CR4: 0000000000350ee0 [ 44.843863] Call Trace: [ 44.844220] [ 44.844517] nf_ct_net_init+0x224/0x3d0 [ 44.845065] ? __pfx_nf_ct_net_init+0x10/0x10 [ 44.845656] ops_init+0xbb/0x6b0 [ 44.846138] setup_net+0x3d9/0x990 [ 44.846613] ? down_read_killable+0x1d7/0x4e0 [ 44.847209] ? __pfx_setup_net+0x10/0x10 [ 44.847722] ? copy_net_ns+0x17c/0x770 [ 44.848267] copy_net_ns+0x321/0x770 [ 44.848752] create_new_namespaces+0x3f6/0xb30 [ 44.849370] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.849984] ksys_unshare+0x44d/0x8e0 [ 44.850516] ? __pfx_ksys_unshare+0x10/0x10 [ 44.851100] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.851808] __x64_sys_unshare+0x31/0x40 [ 44.852387] do_syscall_64+0x3f/0x90 [ 44.852868] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.853575] RIP: 0033:0x7fc90e4410d7 [ 44.854080] 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 [ 44.856346] RSP: 002b:00007ffe785ad4b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.857325] RAX: ffffffffffffffda RBX: 00007ffe785adaf8 RCX: 00007fc90e4410d7 [ 44.858247] RDX: 00007fc90e4ab41f RSI: 00007ffe785ad450 RDI: 0000000040000000 [ 44.859175] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe785ad260 [ 44.860085] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc90e553bf0 [ 44.860968] R13: 00007ffe785ad590 R14: 0000000000000000 R15: 00000000000000f8 [ 44.861883] [ 44.862217] irq event stamp: 13399 [ 44.862688] hardirqs last enabled at (13409): [] __up_console_sem+0x78/0x80 [ 44.863797] hardirqs last disabled at (13420): [] __up_console_sem+0x5d/0x80 [ 44.864906] softirqs last enabled at (12880): [] irq_exit_rcu+0x93/0xc0 [ 44.865975] softirqs last disabled at (12855): [] irq_exit_rcu+0x93/0xc0 [ 44.867079] ---[ end trace 0000000000000000 ]--- [ 46.411730] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 48.459118] Bluetooth: hci0: command 0x041b tx timeout executing program [ 50.507188] Bluetooth: hci0: command 0x040f tx timeout [ 52.555094] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:53:37 Registers: info registers vcpu 0 RAX=000000000001aa3b 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=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=00007fa1ebdfaa50 CR3=000000000e54c000 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=9ff964d6898e1883274e2e12589cb364 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=1ef66fb27dbd5179000000000013ba30 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=8669ea58556deea000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888017c475f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 000055555733a400 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=00007f1b2b4656f4 CR3=00000000185d8000 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