Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:12855' (ECDSA) to the list of known hosts. 2023/05/18 05:42:29 fuzzer started 2023/05/18 05:42:30 dialing manager at localhost:44319 2023/05/18 05:42:30 checking machine... 2023/05/18 05:42:30 checking revisions... syzkaller login: [ 62.707989] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:42:30 testing simple program... [ 62.779958] cgroup: Unknown subsys name 'net' [ 62.854695] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 74.819931] audit: type=1400 audit(1684388562.308:6): 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 [ 75.957368] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.958841] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.961132] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.964064] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.965866] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.967097] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.285049] ------------[ cut here ]------------ [ 76.285723] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 76.287352] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.288512] Modules linked in: [ 76.288924] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.293810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.294905] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.295665] 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 [ 76.297954] RSP: 0018:ffff88801ffffc00 EFLAGS: 00010282 [ 76.298719] RAX: 0000000000000000 RBX: ffff88800eba4040 RCX: 0000000000000000 [ 76.299693] RDX: ffff88801a4bd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.300660] RBP: ffff88800eba4054 R08: 0000000000000001 R09: 0000000000000000 [ 76.301649] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.302702] R13: ffffffff84e23fe0 R14: ffff88800eba4048 R15: ffffffff84d74dc0 [ 76.303763] FS: 0000555555c45400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.304898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.305835] CR2: 00007f2b309a86f4 CR3: 000000000c97e000 CR4: 0000000000350ef0 [ 76.306814] Call Trace: [ 76.307143] [ 76.307532] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 76.308139] ipv4_frags_init_net+0x269/0x440 [ 76.308734] ops_init+0xbb/0x6b0 [ 76.309205] setup_net+0x3d9/0x990 [ 76.309696] ? down_read_killable+0x1d7/0x4e0 [ 76.310262] ? __pfx_setup_net+0x10/0x10 [ 76.310806] ? copy_net_ns+0x17c/0x770 [ 76.311342] copy_net_ns+0x321/0x770 [ 76.311828] create_new_namespaces+0x3f6/0xb30 [ 76.312445] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.313058] ksys_unshare+0x44d/0x8e0 [ 76.313589] ? __pfx_ksys_unshare+0x10/0x10 [ 76.314136] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.314873] __x64_sys_unshare+0x31/0x40 [ 76.315422] do_syscall_64+0x3f/0x90 [ 76.315898] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.316572] RIP: 0033:0x7fdd36ea80d7 [ 76.317033] 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 [ 76.319226] RSP: 002b:00007fff1334be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.320178] RAX: ffffffffffffffda RBX: 00007fff1334c468 RCX: 00007fdd36ea80d7 [ 76.321089] RDX: 00007fdd36f1241f RSI: 00007fff1334bdc0 RDI: 0000000040000000 [ 76.321982] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1334bbd0 [ 76.322878] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdd36fbabf0 [ 76.323768] R13: 00007fff1334bf00 R14: 0000000000000000 R15: 00000000000000f8 [ 76.324680] [ 76.324977] irq event stamp: 8809 [ 76.325446] hardirqs last enabled at (8821): [] __up_console_sem+0x78/0x80 [ 76.326506] hardirqs last disabled at (8832): [] __up_console_sem+0x5d/0x80 [ 76.327601] softirqs last enabled at (8514): [] irq_exit_rcu+0x93/0xc0 [ 76.328672] softirqs last disabled at (8493): [] irq_exit_rcu+0x93/0xc0 [ 76.329746] ---[ end trace 0000000000000000 ]--- [ 76.335194] ------------[ cut here ]------------ [ 76.335831] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 76.337562] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.338647] Modules linked in: [ 76.339059] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.340231] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.341267] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.341939] 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 [ 76.344145] RSP: 0018:ffff88801ffffc00 EFLAGS: 00010282 [ 76.344845] RAX: 0000000000000000 RBX: ffff88800ec37c40 RCX: 0000000000000000 [ 76.345759] RDX: ffff88801a4bd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.346661] RBP: ffff88800ec37c54 R08: 0000000000000001 R09: 0000000000000000 [ 76.347566] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.348462] R13: ffffffff84e23fe0 R14: ffff88800ec37c48 R15: ffffffff84da7d60 [ 76.349388] FS: 0000555555c45400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.350390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.351112] CR2: 00007f2b309a86f4 CR3: 000000000c97e000 CR4: 0000000000350ef0 [ 76.352009] Call Trace: [ 76.352374] [ 76.352675] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 76.353345] ipv6_frags_init_net+0x206/0x3c0 [ 76.353911] ops_init+0xbb/0x6b0 [ 76.354393] setup_net+0x3d9/0x990 [ 76.354851] ? down_read_killable+0x1d7/0x4e0 [ 76.355459] ? __pfx_setup_net+0x10/0x10 [ 76.355972] ? copy_net_ns+0x17c/0x770 [ 76.356515] copy_net_ns+0x321/0x770 [ 76.357001] create_new_namespaces+0x3f6/0xb30 [ 76.357651] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.358270] ksys_unshare+0x44d/0x8e0 [ 76.358799] ? __pfx_ksys_unshare+0x10/0x10 [ 76.359385] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.360103] __x64_sys_unshare+0x31/0x40 [ 76.360651] do_syscall_64+0x3f/0x90 [ 76.361142] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.361835] RIP: 0033:0x7fdd36ea80d7 [ 76.362333] 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 [ 76.364508] RSP: 002b:00007fff1334be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.365471] RAX: ffffffffffffffda RBX: 00007fff1334c468 RCX: 00007fdd36ea80d7 [ 76.366355] RDX: 00007fdd36f1241f RSI: 00007fff1334bdc0 RDI: 0000000040000000 [ 76.367206] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1334bbd0 [ 76.368097] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdd36fbabf0 [ 76.368976] R13: 00007fff1334bf00 R14: 0000000000000000 R15: 00000000000000f8 [ 76.369914] [ 76.370213] irq event stamp: 10585 [ 76.370676] hardirqs last enabled at (10597): [] __up_console_sem+0x78/0x80 [ 76.371741] hardirqs last disabled at (10608): [] __up_console_sem+0x5d/0x80 [ 76.372817] softirqs last enabled at (10158): [] irq_exit_rcu+0x93/0xc0 [ 76.373871] softirqs last disabled at (10149): [] irq_exit_rcu+0x93/0xc0 [ 76.374912] ---[ end trace 0000000000000000 ]--- [ 76.376269] ------------[ cut here ]------------ [ 76.376889] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 76.378787] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.379867] Modules linked in: [ 76.380277] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.381505] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.382506] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.383143] 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 [ 76.385342] RSP: 0018:ffff88801ffffbf0 EFLAGS: 00010286 [ 76.385995] RAX: 0000000000000000 RBX: ffff88801655e640 RCX: 0000000000000000 [ 76.386899] RDX: ffff88801a4bd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.387785] RBP: ffff88801655e654 R08: 0000000000000001 R09: 0000000000000000 [ 76.388677] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.389579] R13: ffffffff84e23fe0 R14: ffff88801655e648 R15: ffffffff84db0aa0 [ 76.390470] FS: 0000555555c45400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.391491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.392199] CR2: 00007f2b309a86f4 CR3: 000000000c97e000 CR4: 0000000000350ef0 [ 76.393090] Call Trace: [ 76.393459] [ 76.393763] nf_ct_net_init+0x224/0x3d0 [ 76.394274] ? __pfx_nf_ct_net_init+0x10/0x10 [ 76.394902] ops_init+0xbb/0x6b0 [ 76.395386] setup_net+0x3d9/0x990 [ 76.395854] ? down_read_killable+0x1d7/0x4e0 [ 76.396466] ? __pfx_setup_net+0x10/0x10 [ 76.396982] ? copy_net_ns+0x17c/0x770 [ 76.397555] copy_net_ns+0x321/0x770 [ 76.398039] create_new_namespaces+0x3f6/0xb30 [ 76.398660] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.399276] ksys_unshare+0x44d/0x8e0 [ 76.399809] ? __pfx_ksys_unshare+0x10/0x10 [ 76.400385] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.401091] __x64_sys_unshare+0x31/0x40 [ 76.401648] do_syscall_64+0x3f/0x90 [ 76.402134] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.402815] RIP: 0033:0x7fdd36ea80d7 [ 76.403280] 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 [ 76.405472] RSP: 002b:00007fff1334be28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.406433] RAX: ffffffffffffffda RBX: 00007fff1334c468 RCX: 00007fdd36ea80d7 [ 76.407318] RDX: 00007fdd36f1241f RSI: 00007fff1334bdc0 RDI: 0000000040000000 [ 76.408175] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1334bbd0 [ 76.409073] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdd36fbabf0 [ 76.409992] R13: 00007fff1334bf00 R14: 0000000000000000 R15: 00000000000000f8 [ 76.410913] [ 76.411216] irq event stamp: 11353 [ 76.411683] hardirqs last enabled at (11365): [] __up_console_sem+0x78/0x80 [ 76.412753] hardirqs last disabled at (11376): [] __up_console_sem+0x5d/0x80 [ 76.413842] softirqs last enabled at (11078): [] irq_exit_rcu+0x93/0xc0 [ 76.414895] softirqs last disabled at (11073): [] irq_exit_rcu+0x93/0xc0 [ 76.415924] ---[ end trace 0000000000000000 ]--- executing program [ 78.039862] Bluetooth: hci0: command 0x0409 tx timeout [ 80.088400] Bluetooth: hci0: command 0x041b tx timeout executing program [ 82.135399] Bluetooth: hci0: command 0x040f tx timeout executing program [ 84.183378] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 05:42:17 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ffff5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555555c45400 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=00007f2b309a86f4 CR3=000000000c97e000 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=000000000002e709 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=00007f4eaa0d6f18 CR3=000000000e7e0000 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=2033343a32343a35302038312079614d XMM01=5d3432393838322e36372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000