Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:57169' (ECDSA) to the list of known hosts. 2023/05/18 10:06:53 fuzzer started 2023/05/18 10:06:54 dialing manager at localhost:44319 2023/05/18 10:06:54 checking machine... 2023/05/18 10:06:54 checking revisions... syzkaller login: [ 38.523452] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:06:54 testing simple program... [ 38.611102] cgroup: Unknown subsys name 'net' [ 38.726624] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.938036] audit: type=1400 audit(1684404427.711:6): 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 [ 53.044228] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.045620] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.046416] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.048162] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.049124] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.049872] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 53.397034] ------------[ cut here ]------------ [ 53.397463] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.399088] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.399767] Modules linked in: [ 53.400151] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.400877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.401622] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.402176] 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 [ 53.403659] RSP: 0018:ffff888010117c00 EFLAGS: 00010282 [ 53.404185] RAX: 0000000000000000 RBX: ffff88800d58e440 RCX: 0000000000000000 [ 53.404728] RDX: ffff888019a99b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.405406] RBP: ffff88800d58e454 R08: 0000000000000001 R09: 0000000000000000 [ 53.407155] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.407701] R13: ffffffff84e23fe0 R14: ffff88800d58e448 R15: ffffffff84d74dc0 [ 53.408383] FS: 00005555561fc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.411687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.412279] CR2: 00007fe2b6bed6f4 CR3: 000000000c998000 CR4: 0000000000350ee0 [ 53.412821] Call Trace: [ 53.413129] [ 53.413325] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.413728] ipv4_frags_init_net+0x269/0x440 [ 53.416615] ops_init+0xbb/0x6b0 [ 53.417004] setup_net+0x3d9/0x990 [ 53.417303] ? down_read_killable+0x1d7/0x4e0 [ 53.417669] ? __pfx_setup_net+0x10/0x10 [ 53.418124] ? copy_net_ns+0x17c/0x770 [ 53.418465] copy_net_ns+0x321/0x770 [ 53.418778] create_new_namespaces+0x3f6/0xb30 [ 53.419266] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.419666] ksys_unshare+0x44d/0x8e0 [ 53.420079] ? __pfx_ksys_unshare+0x10/0x10 [ 53.420438] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.420897] __x64_sys_unshare+0x31/0x40 [ 53.421329] do_syscall_64+0x3f/0x90 [ 53.421637] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.422177] RIP: 0033:0x7f19346660d7 [ 53.422477] 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 [ 53.423964] RSP: 002b:00007ffe61d6ad68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.424556] RAX: ffffffffffffffda RBX: 00007ffe61d6b3a8 RCX: 00007f19346660d7 [ 53.425211] RDX: 00007f19346d041f RSI: 00007ffe61d6ad00 RDI: 0000000040000000 [ 53.425756] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe61d6ab10 [ 53.445987] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1934778bf0 [ 53.446568] R13: 00007ffe61d6ae40 R14: 0000000000000000 R15: 00000000000000f8 [ 53.447235] [ 53.447431] irq event stamp: 8769 [ 53.447701] hardirqs last enabled at (8779): [] __up_console_sem+0x78/0x80 [ 53.448467] hardirqs last disabled at (8822): [] __up_console_sem+0x5d/0x80 [ 53.449225] softirqs last enabled at (8862): [] irq_exit_rcu+0x93/0xc0 [ 53.449889] softirqs last disabled at (8831): [] irq_exit_rcu+0x93/0xc0 [ 53.450641] ---[ end trace 0000000000000000 ]--- [ 53.456070] ------------[ cut here ]------------ [ 53.456464] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.457546] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.458693] Modules linked in: [ 53.458982] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.459697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.460340] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.460752] 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 [ 53.462144] RSP: 0018:ffff888010117c00 EFLAGS: 00010282 [ 53.462565] RAX: 0000000000000000 RBX: ffff88800d96ae40 RCX: 0000000000000000 [ 53.463131] RDX: ffff888019a99b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.463684] RBP: ffff88800d96ae54 R08: 0000000000000001 R09: 0000000000000000 [ 53.464253] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.464799] R13: ffffffff84e23fe0 R14: ffff88800d96ae48 R15: ffffffff84da7d60 [ 53.465366] FS: 00005555561fc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.474211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.474664] CR2: 00007fe2b6bed6f4 CR3: 000000000c998000 CR4: 0000000000350ee0 [ 53.475248] Call Trace: [ 53.475462] [ 53.475658] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.476081] ipv6_frags_init_net+0x206/0x3c0 [ 53.476449] ops_init+0xbb/0x6b0 [ 53.476753] setup_net+0x3d9/0x990 [ 53.477078] ? down_read_killable+0x1d7/0x4e0 [ 53.477455] ? __pfx_setup_net+0x10/0x10 [ 53.477786] ? copy_net_ns+0x17c/0x770 [ 53.486235] copy_net_ns+0x321/0x770 [ 53.486561] create_new_namespaces+0x3f6/0xb30 [ 53.486965] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.487360] ksys_unshare+0x44d/0x8e0 [ 53.487677] ? __pfx_ksys_unshare+0x10/0x10 [ 53.488060] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.488521] __x64_sys_unshare+0x31/0x40 [ 53.488853] do_syscall_64+0x3f/0x90 [ 53.489185] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.489607] RIP: 0033:0x7f19346660d7 [ 53.489947] 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 [ 53.491324] RSP: 002b:00007ffe61d6ad68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.491939] RAX: ffffffffffffffda RBX: 00007ffe61d6b3a8 RCX: 00007f19346660d7 [ 53.492490] RDX: 00007f19346d041f RSI: 00007ffe61d6ad00 RDI: 0000000040000000 [ 53.493055] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe61d6ab10 [ 53.493607] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1934778bf0 [ 53.494196] R13: 00007ffe61d6ae40 R14: 0000000000000000 R15: 00000000000000f8 [ 53.494766] [ 53.494981] irq event stamp: 10785 [ 53.495257] hardirqs last enabled at (10795): [] __up_console_sem+0x78/0x80 [ 53.495939] hardirqs last disabled at (10806): [] __up_console_sem+0x5d/0x80 [ 53.496603] softirqs last enabled at (10630): [] irq_exit_rcu+0x93/0xc0 [ 53.497267] softirqs last disabled at (10625): [] irq_exit_rcu+0x93/0xc0 [ 53.513886] ---[ end trace 0000000000000000 ]--- [ 53.515117] ------------[ cut here ]------------ [ 53.515490] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.516717] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.517402] Modules linked in: [ 53.517668] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.518434] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.519075] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.519485] 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 [ 53.520861] RSP: 0018:ffff888010117bf0 EFLAGS: 00010286 [ 53.521295] RAX: 0000000000000000 RBX: ffff88800d96b440 RCX: 0000000000000000 [ 53.521858] RDX: ffff888019a99b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.522430] RBP: ffff88800d96b454 R08: 0000000000000001 R09: 0000000000000000 [ 53.523004] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.523550] R13: ffffffff84e23fe0 R14: ffff88800d96b448 R15: ffffffff84db0aa0 [ 53.524115] FS: 00005555561fc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.524723] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.525192] CR2: 00007fe2b6bed6f4 CR3: 000000000c998000 CR4: 0000000000350ee0 [ 53.525753] Call Trace: [ 53.536229] [ 53.536429] nf_ct_net_init+0x224/0x3d0 [ 53.536769] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.537160] ops_init+0xbb/0x6b0 [ 53.537452] setup_net+0x3d9/0x990 [ 53.537754] ? down_read_killable+0x1d7/0x4e0 [ 53.538175] ? __pfx_setup_net+0x10/0x10 [ 53.538505] ? copy_net_ns+0x17c/0x770 [ 53.538846] copy_net_ns+0x321/0x770 [ 53.539185] create_new_namespaces+0x3f6/0xb30 [ 53.539591] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.540009] ksys_unshare+0x44d/0x8e0 [ 53.540329] ? __pfx_ksys_unshare+0x10/0x10 [ 53.540728] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.541224] __x64_sys_unshare+0x31/0x40 [ 53.541574] do_syscall_64+0x3f/0x90 [ 53.541950] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.542366] RIP: 0033:0x7f19346660d7 [ 53.542668] 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 [ 53.544044] RSP: 002b:00007ffe61d6ad68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.544632] RAX: ffffffffffffffda RBX: 00007ffe61d6b3a8 RCX: 00007f19346660d7 [ 53.545196] RDX: 00007f19346d041f RSI: 00007ffe61d6ad00 RDI: 0000000040000000 [ 53.545754] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe61d6ab10 [ 53.546369] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1934778bf0 [ 53.546934] R13: 00007ffe61d6ae40 R14: 0000000000000000 R15: 00000000000000f8 [ 53.547496] [ 53.547688] irq event stamp: 11505 [ 53.547987] hardirqs last enabled at (11517): [] __up_console_sem+0x78/0x80 [ 53.548652] hardirqs last disabled at (11526): [] __up_console_sem+0x5d/0x80 [ 53.549332] softirqs last enabled at (10630): [] irq_exit_rcu+0x93/0xc0 [ 53.550045] softirqs last disabled at (10625): [] irq_exit_rcu+0x93/0xc0 [ 53.550685] ---[ end trace 0000000000000000 ]--- [ 55.123727] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.169081] Bluetooth: hci0: command 0x041b tx timeout [ 59.217170] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.266197] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:07:07 Registers: info registers vcpu 0 RAX=000000000002f28f 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=00007fc5c5c217b0 CR3=0000000016246000 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=3eb9f17b4e7efd963c445d9378fc4be8 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=e0530e61b873c189000000000013c918 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ed152a5433e30d1300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888010117568 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 00005555561fc400 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=00007fe2b6bed6f4 CR3=000000000c998000 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