Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:10633' (ECDSA) to the list of known hosts. 2023/05/17 10:17:46 fuzzer started 2023/05/17 10:17:46 dialing manager at localhost:35573 2023/05/17 10:17:46 checking machine... 2023/05/17 10:17:46 checking revisions... syzkaller login: [ 42.465019] kmemleak: Automatic memory scanning thread ended 2023/05/17 10:17:46 testing simple program... [ 42.531958] cgroup: Unknown subsys name 'net' [ 42.618388] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.735785] audit: type=1400 audit(1684318680.136:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 56.924509] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.934953] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.942842] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.944628] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.945937] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.946888] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.280038] ------------[ cut here ]------------ [ 57.280474] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.281536] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.282262] Modules linked in: [ 57.282532] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.283287] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.299196] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.300431] 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 [ 57.304620] RSP: 0018:ffff888016adfc00 EFLAGS: 00010282 [ 57.305850] RAX: 0000000000000000 RBX: ffff88800e19bc40 RCX: 0000000000000000 [ 57.315546] RDX: ffff8880178ad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.317262] RBP: ffff88800e19bc54 R08: 0000000000000001 R09: 0000000000000000 [ 57.318595] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 57.320226] R13: ffffffff84e223a0 R14: ffff88800e19bc48 R15: ffffffff84d73340 [ 57.321495] FS: 0000555555ac4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.323112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.324203] CR2: 00007f914049e6f4 CR3: 0000000015d0a000 CR4: 0000000000350ee0 [ 57.325498] Call Trace: [ 57.326048] [ 57.326436] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.327618] ipv4_frags_init_net+0x269/0x440 [ 57.328449] ops_init+0xbb/0x6b0 [ 57.329123] setup_net+0x3d9/0x990 [ 57.329786] ? down_read_killable+0x1d7/0x4e0 [ 57.330588] ? __pfx_setup_net+0x10/0x10 [ 57.331414] ? copy_net_ns+0x17c/0x770 [ 57.332193] copy_net_ns+0x321/0x770 [ 57.332875] create_new_namespaces+0x3f6/0xb30 [ 57.333658] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.334561] ksys_unshare+0x44d/0x8e0 [ 57.335237] ? __pfx_ksys_unshare+0x10/0x10 [ 57.336008] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.337017] __x64_sys_unshare+0x31/0x40 [ 57.337736] do_syscall_64+0x3f/0x90 [ 57.338425] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.339632] RIP: 0033:0x7fec64ceb0d7 executing program [ 57.340317] 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 [ 57.342630] RSP: 002b:00007ffdc2e5caf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 57.343279] RAX: ffffffffffffffda RBX: 00007ffdc2e5d138 RCX: 00007fec64ceb0d7 [ 57.343852] RDX: 00007fec64d5541f RSI: 00007ffdc2e5ca90 RDI: 0000000040000000 [ 57.344396] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc2e5c8a0 [ 57.344995] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fec64dfdbf0 [ 57.345536] R13: 00007ffdc2e5cbd0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.346170] [ 57.346367] irq event stamp: 10933 [ 57.346697] hardirqs last enabled at (10943): [] __up_console_sem+0x78/0x80 [ 57.347387] hardirqs last disabled at (10954): [] __up_console_sem+0x5d/0x80 [ 57.348114] softirqs last enabled at (10728): [] irq_exit_rcu+0x93/0xc0 [ 57.348784] softirqs last disabled at (10715): [] irq_exit_rcu+0x93/0xc0 [ 57.349446] ---[ end trace 0000000000000000 ]--- [ 57.356451] ------------[ cut here ]------------ [ 57.356895] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.358033] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.358763] Modules linked in: [ 57.359059] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.359794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.360464] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.360928] 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 [ 57.362365] RSP: 0018:ffff888016adfc00 EFLAGS: 00010282 [ 57.366868] RAX: 0000000000000000 RBX: ffff88801428c840 RCX: 0000000000000000 [ 57.367455] RDX: ffff8880178ad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.368033] RBP: ffff88801428c854 R08: 0000000000000001 R09: 0000000000000000 [ 57.368575] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.369185] R13: ffffffff84e223a0 R14: ffff88801428c848 R15: ffffffff84da62e0 [ 57.369750] FS: 0000555555ac4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.370407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.370913] CR2: 00007f914049e6f4 CR3: 0000000015d0a000 CR4: 0000000000350ee0 [ 57.371436] Call Trace: [ 57.371633] [ 57.371836] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.372264] ipv6_frags_init_net+0x206/0x3c0 [ 57.372614] ops_init+0xbb/0x6b0 [ 57.372911] setup_net+0x3d9/0x990 [ 57.373192] ? down_read_killable+0x1d7/0x4e0 [ 57.373544] ? __pfx_setup_net+0x10/0x10 [ 57.373892] ? copy_net_ns+0x17c/0x770 [ 57.374231] copy_net_ns+0x321/0x770 [ 57.374546] create_new_namespaces+0x3f6/0xb30 [ 57.374962] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.375387] ksys_unshare+0x44d/0x8e0 [ 57.375738] ? __pfx_ksys_unshare+0x10/0x10 [ 57.376085] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.376537] __x64_sys_unshare+0x31/0x40 [ 57.376883] do_syscall_64+0x3f/0x90 [ 57.377229] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.377628] RIP: 0033:0x7fec64ceb0d7 [ 57.377941] 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 [ 57.379326] RSP: 002b:00007ffdc2e5caf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 57.379916] RAX: ffffffffffffffda RBX: 00007ffdc2e5d138 RCX: 00007fec64ceb0d7 [ 57.380493] RDX: 00007fec64d5541f RSI: 00007ffdc2e5ca90 RDI: 0000000040000000 [ 57.381083] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc2e5c8a0 [ 57.381611] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fec64dfdbf0 [ 57.382218] R13: 00007ffdc2e5cbd0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.386877] [ 57.387080] irq event stamp: 12859 [ 57.387362] hardirqs last enabled at (12869): [] __up_console_sem+0x78/0x80 [ 57.388082] hardirqs last disabled at (12880): [] __up_console_sem+0x5d/0x80 [ 57.388755] softirqs last enabled at (12466): [] irq_exit_rcu+0x93/0xc0 [ 57.389443] softirqs last disabled at (12461): [] irq_exit_rcu+0x93/0xc0 [ 57.390106] ---[ end trace 0000000000000000 ]--- [ 57.391261] ------------[ cut here ]------------ [ 57.391624] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.392879] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.393552] Modules linked in: [ 57.393836] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.394617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.395268] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.395669] 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 [ 57.397067] RSP: 0018:ffff888016adfbf0 EFLAGS: 00010286 [ 57.397502] RAX: 0000000000000000 RBX: ffff88801428ce40 RCX: 0000000000000000 [ 57.398080] RDX: ffff8880178ad1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.398627] RBP: ffff88801428ce54 R08: 0000000000000001 R09: 0000000000000000 [ 57.399233] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.399799] R13: ffffffff84e223a0 R14: ffff88801428ce48 R15: ffffffff84daf020 [ 57.400350] FS: 0000555555ac4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.400983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.401438] CR2: 00007f914049e6f4 CR3: 0000000015d0a000 CR4: 0000000000350ee0 [ 57.402003] Call Trace: [ 57.402225] [ 57.402420] nf_ct_net_init+0x224/0x3d0 [ 57.402810] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.403202] ops_init+0xbb/0x6b0 [ 57.403488] setup_net+0x3d9/0x990 [ 57.403813] ? down_read_killable+0x1d7/0x4e0 [ 57.404226] ? __pfx_setup_net+0x10/0x10 [ 57.404548] ? copy_net_ns+0x17c/0x770 [ 57.404901] copy_net_ns+0x321/0x770 [ 57.405214] create_new_namespaces+0x3f6/0xb30 [ 57.405587] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.406012] ksys_unshare+0x44d/0x8e0 [ 57.406369] ? __pfx_ksys_unshare+0x10/0x10 [ 57.406769] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.407223] __x64_sys_unshare+0x31/0x40 [ 57.407558] do_syscall_64+0x3f/0x90 [ 57.407891] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.408329] RIP: 0033:0x7fec64ceb0d7 [ 57.408623] 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 [ 57.410054] RSP: 002b:00007ffdc2e5caf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 57.410654] RAX: ffffffffffffffda RBX: 00007ffdc2e5d138 RCX: 00007fec64ceb0d7 [ 57.411261] RDX: 00007fec64d5541f RSI: 00007ffdc2e5ca90 RDI: 0000000040000000 [ 57.411842] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc2e5c8a0 [ 57.412404] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fec64dfdbf0 [ 57.412995] R13: 00007ffdc2e5cbd0 R14: 0000000000000000 R15: 00000000000000f8 [ 57.413575] [ 57.413805] irq event stamp: 13607 [ 57.414093] hardirqs last enabled at (13617): [] __up_console_sem+0x78/0x80 [ 57.414854] hardirqs last disabled at (13628): [] __up_console_sem+0x5d/0x80 [ 57.415567] softirqs last enabled at (12466): [] irq_exit_rcu+0x93/0xc0 [ 57.416293] softirqs last disabled at (12461): [] irq_exit_rcu+0x93/0xc0 [ 57.416995] ---[ end trace 0000000000000000 ]--- [ 58.974715] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.018827] Bluetooth: hci0: command 0x041b tx timeout [ 63.063415] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.110820] Bluetooth: hci0: command 0x0419 tx timeout executing program [ 66.901647] hrtimer: interrupt took 2230103 ns VM DIAGNOSIS: 10:17:57 Registers: info registers vcpu 0 RAX=0000000000023fe7 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=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=00007fd0af3d1128 CR3=000000000f0c2000 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=2031303a38313a30312037312079614d XMM01=5d3738323338322e37352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3738323338322e37352020205b20 XMM07=732031303a38313a3031203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016adf5f8 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555555ac4400 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=00007f914049e6f4 CR3=0000000015d0a000 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