Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:25457' (ECDSA) to the list of known hosts. 2023/05/18 03:53:06 fuzzer started 2023/05/18 03:53:06 dialing manager at localhost:44319 2023/05/18 03:53:06 checking machine... 2023/05/18 03:53:06 checking revisions... syzkaller login: [ 30.252792] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:53:06 testing simple program... [ 30.322274] cgroup: Unknown subsys name 'net' [ 30.423150] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.719061] audit: type=1400 audit(1684382000.211:6): 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 [ 44.857755] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.860190] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.863661] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.866209] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.868177] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.869740] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 45.249649] ------------[ cut here ]------------ [ 45.250389] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.252204] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.253609] Modules linked in: [ 45.254041] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.259148] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.260405] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.261125] 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 [ 45.263656] RSP: 0018:ffff888016b8fc00 EFLAGS: 00010282 [ 45.264514] RAX: 0000000000000000 RBX: ffff88800e1ed440 RCX: 0000000000000000 [ 45.265627] RDX: ffff888018763680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.266760] RBP: ffff88800e1ed454 R08: 0000000000000001 R09: 0000000000000000 [ 45.267847] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.268849] R13: ffffffff84e23fe0 R14: ffff88800e1ed448 R15: ffffffff84d74dc0 [ 45.269897] FS: 000055555563b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.271013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.271825] CR2: 00007ff51d6116f4 CR3: 000000000994c000 CR4: 0000000000350ef0 [ 45.272807] Call Trace: [ 45.273175] [ 45.273542] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.274218] ipv4_frags_init_net+0x269/0x440 [ 45.274866] ops_init+0xbb/0x6b0 [ 45.275390] setup_net+0x3d9/0x990 [ 45.275889] ? down_read_killable+0x1d7/0x4e0 [ 45.276554] ? __pfx_setup_net+0x10/0x10 [ 45.277116] ? copy_net_ns+0x17c/0x770 [ 45.277716] copy_net_ns+0x321/0x770 [ 45.278273] create_new_namespaces+0x3f6/0xb30 [ 45.278921] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.279627] ksys_unshare+0x44d/0x8e0 [ 45.280164] ? __pfx_ksys_unshare+0x10/0x10 [ 45.280799] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.281629] __x64_sys_unshare+0x31/0x40 [ 45.282197] do_syscall_64+0x3f/0x90 [ 45.282757] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.283501] RIP: 0033:0x7fb4c5a460d7 [ 45.284005] 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 [ 45.286425] RSP: 002b:00007ffd4471a898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.287460] RAX: ffffffffffffffda RBX: 00007ffd4471aed8 RCX: 00007fb4c5a460d7 [ 45.288443] RDX: 00007fb4c5ab041f RSI: 00007ffd4471a830 RDI: 0000000040000000 [ 45.289421] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4471a640 [ 45.290402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb4c5b58bf0 [ 45.291370] R13: 00007ffd4471a970 R14: 0000000000000000 R15: 00000000000000f8 [ 45.292373] [ 45.292704] irq event stamp: 11283 [ 45.293196] hardirqs last enabled at (11293): [] __up_console_sem+0x78/0x80 [ 45.294399] hardirqs last disabled at (11306): [] __up_console_sem+0x5d/0x80 [ 45.295568] softirqs last enabled at (10904): [] irq_exit_rcu+0x93/0xc0 [ 45.296701] softirqs last disabled at (10885): [] irq_exit_rcu+0x93/0xc0 [ 45.297866] ---[ end trace 0000000000000000 ]--- [ 45.303870] ------------[ cut here ]------------ [ 45.305632] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.307634] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.308811] Modules linked in: [ 45.309306] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.310583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.311705] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.312448] 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 [ 45.314851] RSP: 0018:ffff888016b8fc00 EFLAGS: 00010282 [ 45.315598] RAX: 0000000000000000 RBX: ffff88801381f040 RCX: 0000000000000000 [ 45.316574] RDX: ffff888018763680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.317568] RBP: ffff88801381f054 R08: 0000000000000001 R09: 0000000000000000 [ 45.318529] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.319463] R13: ffffffff84e23fe0 R14: ffff88801381f048 R15: ffffffff84da7d60 [ 45.320410] FS: 000055555563b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.321503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.322305] CR2: 00007ff51d6116f4 CR3: 000000000994c000 CR4: 0000000000350ef0 [ 45.323209] Call Trace: [ 45.323597] [ 45.323914] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.324598] ipv6_frags_init_net+0x206/0x3c0 [ 45.325213] ops_init+0xbb/0x6b0 [ 45.325730] setup_net+0x3d9/0x990 [ 45.326214] ? down_read_killable+0x1d7/0x4e0 [ 45.326853] ? __pfx_setup_net+0x10/0x10 [ 45.327434] ? copy_net_ns+0x17c/0x770 [ 45.327970] copy_net_ns+0x321/0x770 [ 45.328521] create_new_namespaces+0x3f6/0xb30 [ 45.329138] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.329840] ksys_unshare+0x44d/0x8e0 [ 45.330396] ? __pfx_ksys_unshare+0x10/0x10 [ 45.330974] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.331768] __x64_sys_unshare+0x31/0x40 [ 45.332373] do_syscall_64+0x3f/0x90 [ 45.332887] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.333678] RIP: 0033:0x7fb4c5a460d7 [ 45.334196] 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 [ 45.336607] RSP: 002b:00007ffd4471a898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.337666] RAX: ffffffffffffffda RBX: 00007ffd4471aed8 RCX: 00007fb4c5a460d7 [ 45.338686] RDX: 00007fb4c5ab041f RSI: 00007ffd4471a830 RDI: 0000000040000000 [ 45.339718] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4471a640 [ 45.340753] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb4c5b58bf0 [ 45.341807] R13: 00007ffd4471a970 R14: 0000000000000000 R15: 00000000000000f8 [ 45.342865] [ 45.343209] irq event stamp: 13647 [ 45.343753] hardirqs last enabled at (13659): [] __up_console_sem+0x78/0x80 [ 45.344982] hardirqs last disabled at (13670): [] __up_console_sem+0x5d/0x80 [ 45.346332] softirqs last enabled at (13692): [] irq_exit_rcu+0x93/0xc0 [ 45.347549] softirqs last disabled at (13679): [] irq_exit_rcu+0x93/0xc0 [ 45.348763] ---[ end trace 0000000000000000 ]--- [ 45.350372] ------------[ cut here ]------------ [ 45.351055] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.353332] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.354571] Modules linked in: [ 45.355040] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.356388] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.357618] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.358417] 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 [ 45.360993] RSP: 0018:ffff888016b8fbf0 EFLAGS: 00010286 [ 45.361811] RAX: 0000000000000000 RBX: ffff88801381ea40 RCX: 0000000000000000 [ 45.362847] RDX: ffff888018763680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.363888] RBP: ffff88801381ea54 R08: 0000000000000001 R09: 0000000000000000 [ 45.364918] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.365969] R13: ffffffff84e23fe0 R14: ffff88801381ea48 R15: ffffffff84db0aa0 [ 45.366999] FS: 000055555563b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.368167] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.369030] CR2: 00007ff51d6116f4 CR3: 000000000994c000 CR4: 0000000000350ef0 [ 45.370107] Call Trace: [ 45.370522] [ 45.370871] nf_ct_net_init+0x224/0x3d0 [ 45.371508] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.372182] ops_init+0xbb/0x6b0 [ 45.372737] setup_net+0x3d9/0x990 [ 45.373323] ? down_read_killable+0x1d7/0x4e0 [ 45.373993] ? __pfx_setup_net+0x10/0x10 [ 45.374640] ? copy_net_ns+0x17c/0x770 [ 45.375215] copy_net_ns+0x321/0x770 [ 45.375803] create_new_namespaces+0x3f6/0xb30 [ 45.376499] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.377198] ksys_unshare+0x44d/0x8e0 [ 45.377805] ? __pfx_ksys_unshare+0x10/0x10 [ 45.378448] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.379285] __x64_sys_unshare+0x31/0x40 [ 45.379854] do_syscall_64+0x3f/0x90 [ 45.380419] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.381133] RIP: 0033:0x7fb4c5a460d7 [ 45.381717] 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 [ 45.384140] RSP: 002b:00007ffd4471a898 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.385208] RAX: ffffffffffffffda RBX: 00007ffd4471aed8 RCX: 00007fb4c5a460d7 [ 45.386189] RDX: 00007fb4c5ab041f RSI: 00007ffd4471a830 RDI: 0000000040000000 [ 45.387178] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4471a640 [ 45.388156] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb4c5b58bf0 [ 45.389151] R13: 00007ffd4471a970 R14: 0000000000000000 R15: 00000000000000f8 [ 45.390216] [ 45.390596] irq event stamp: 14441 [ 45.391094] hardirqs last enabled at (14451): [] __up_console_sem+0x78/0x80 [ 45.392349] hardirqs last disabled at (14468): [] __up_console_sem+0x5d/0x80 [ 45.393599] softirqs last enabled at (14464): [] irq_exit_rcu+0x93/0xc0 [ 45.394793] softirqs last disabled at (14459): [] irq_exit_rcu+0x93/0xc0 [ 45.395992] ---[ end trace 0000000000000000 ]--- [ 46.881843] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 48.929797] Bluetooth: hci0: command 0x041b tx timeout [ 50.977384] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.025349] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:53:20 Registers: info registers vcpu 0 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016b8f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 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 000055555563b400 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=00007ff51d6116f4 CR3=000000000994c000 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=dffffc0000000000 RBX=0000000000000004 RCX=ffffffff812cff36 RDX=0000000000000000 RSI=0000000000000008 RDI=ffffffff8779c9c8 RBP=1ffffffff0ef3939 RSP=ffff888015d87868 R8 =0000000000000000 R9 =1ffffffff0ef3939 R10=ffffffff8779c9cf R11=0000000000000001 R12=ffff888015d88a90 R13=ffff888015d88000 R14=ffffffff8562b848 R15=0000000000000045 RIP=ffffffff8180f411 RFL=00000017 [----APC] 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 00007efe95065900 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=00007efe94565030 CR3=0000000015dfa000 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=620cb3c32d6056908a45c1520f9073a8 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=6f2e12f8285bd53c000000000013c878 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=33dda89f5bdc31fc00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000