syzkaller login: [ 48.079267] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:34852' (ECDSA) to the list of known hosts. 2023/05/16 12:50:33 fuzzer started 2023/05/16 12:50:33 dialing manager at localhost:35573 2023/05/16 12:50:33 checking machine... 2023/05/16 12:50:33 checking revisions... [ 50.199775] kmemleak: Automatic memory scanning thread ended 2023/05/16 12:50:33 testing simple program... [ 50.282801] cgroup: Unknown subsys name 'net' [ 50.393503] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 62.664268] audit: type=1400 audit(1684241446.297:6): 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 [ 63.780659] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.783120] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.784738] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.790507] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.793725] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.796621] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.197672] ------------[ cut here ]------------ [ 64.198550] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 64.200687] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.202078] Modules linked in: [ 64.202649] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.207522] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.208673] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.209415] 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 [ 64.211905] RSP: 0018:ffff888016af7c00 EFLAGS: 00010282 [ 64.212630] RAX: 0000000000000000 RBX: ffff88800dacf440 RCX: 0000000000000000 [ 64.213608] RDX: ffff8880159951c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.214631] RBP: ffff88800dacf454 R08: 0000000000000001 R09: 0000000000000000 [ 64.215639] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 64.216608] R13: ffffffff84e223a0 R14: ffff88800dacf448 R15: ffffffff84d73340 [ 64.217588] FS: 0000555555b0f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.218742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.219556] CR2: 00007f6a7c696000 CR3: 000000000e744000 CR4: 0000000000350ef0 [ 64.220524] Call Trace: [ 64.220905] [ 64.221232] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 64.221929] ipv4_frags_init_net+0x269/0x440 [ 64.222590] ops_init+0xbb/0x6b0 [ 64.223110] setup_net+0x3d9/0x990 [ 64.223597] ? down_read_killable+0x1d7/0x4e0 [ 64.224245] ? __pfx_setup_net+0x10/0x10 [ 64.224796] ? copy_net_ns+0x17c/0x770 [ 64.225382] copy_net_ns+0x321/0x770 [ 64.225940] create_new_namespaces+0x3f6/0xb30 [ 64.226618] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.227327] ksys_unshare+0x44d/0x8e0 [ 64.227854] ? __pfx_ksys_unshare+0x10/0x10 [ 64.228477] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.229278] __x64_sys_unshare+0x31/0x40 [ 64.229842] do_syscall_64+0x3f/0x90 [ 64.230436] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.231173] RIP: 0033:0x7f0cca4c20d7 [ 64.231677] 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 [ 64.234042] RSP: 002b:00007ffdcc2ad838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.235120] RAX: ffffffffffffffda RBX: 00007ffdcc2ade78 RCX: 00007f0cca4c20d7 [ 64.236081] RDX: 00007f0cca52c41f RSI: 00007ffdcc2ad7d0 RDI: 0000000040000000 [ 64.237044] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcc2ad5e0 [ 64.237994] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0cca5d4bf0 [ 64.239012] R13: 00007ffdcc2ad910 R14: 0000000000000000 R15: 00000000000000f8 [ 64.239979] [ 64.240299] irq event stamp: 7819 [ 64.240749] hardirqs last enabled at (7829): [] __up_console_sem+0x78/0x80 [ 64.241909] hardirqs last disabled at (7840): [] __up_console_sem+0x5d/0x80 [ 64.243099] softirqs last enabled at (7704): [] irq_exit_rcu+0x93/0xc0 [ 64.244199] softirqs last disabled at (7699): [] irq_exit_rcu+0x93/0xc0 [ 64.245294] ---[ end trace 0000000000000000 ]--- [ 64.251532] ------------[ cut here ]------------ [ 64.252195] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 64.253954] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.255133] Modules linked in: [ 64.255558] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.256770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.257852] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.258620] 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 [ 64.260919] RSP: 0018:ffff888016af7c00 EFLAGS: 00010282 [ 64.261603] RAX: 0000000000000000 RBX: ffff888008d5ca40 RCX: 0000000000000000 [ 64.262594] RDX: ffff8880159951c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.263541] RBP: ffff888008d5ca54 R08: 0000000000000001 R09: 0000000000000000 [ 64.264473] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.265407] R13: ffffffff84e223a0 R14: ffff888008d5ca48 R15: ffffffff84da62e0 [ 64.266401] FS: 0000555555b0f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.267462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.268240] CR2: 00007f6a7c696000 CR3: 000000000e744000 CR4: 0000000000350ef0 [ 64.269168] Call Trace: [ 64.269515] [ 64.269816] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 64.270529] ipv6_frags_init_net+0x206/0x3c0 [ 64.271138] ops_init+0xbb/0x6b0 [ 64.271596] setup_net+0x3d9/0x990 [ 64.272107] ? down_read_killable+0x1d7/0x4e0 [ 64.272697] ? __pfx_setup_net+0x10/0x10 [ 64.273256] ? copy_net_ns+0x17c/0x770 [ 64.273780] copy_net_ns+0x321/0x770 [ 64.274367] create_new_namespaces+0x3f6/0xb30 [ 64.275014] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.275663] ksys_unshare+0x44d/0x8e0 [ 64.276196] ? __pfx_ksys_unshare+0x10/0x10 [ 64.276763] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.277540] __x64_sys_unshare+0x31/0x40 [ 64.278140] do_syscall_64+0x3f/0x90 [ 64.278638] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.279329] RIP: 0033:0x7f0cca4c20d7 [ 64.279801] 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 [ 64.282021] RSP: 002b:00007ffdcc2ad838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.283049] RAX: ffffffffffffffda RBX: 00007ffdcc2ade78 RCX: 00007f0cca4c20d7 [ 64.283960] RDX: 00007f0cca52c41f RSI: 00007ffdcc2ad7d0 RDI: 0000000040000000 [ 64.284831] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcc2ad5e0 [ 64.285739] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0cca5d4bf0 [ 64.286720] R13: 00007ffdcc2ad910 R14: 0000000000000000 R15: 00000000000000f8 [ 64.287656] [ 64.287996] irq event stamp: 9709 [ 64.288426] hardirqs last enabled at (9719): [] __up_console_sem+0x78/0x80 [ 64.289503] hardirqs last disabled at (9730): [] __up_console_sem+0x5d/0x80 [ 64.290632] softirqs last enabled at (9192): [] irq_exit_rcu+0x93/0xc0 [ 64.291680] softirqs last disabled at (9187): [] irq_exit_rcu+0x93/0xc0 [ 64.292717] ---[ end trace 0000000000000000 ]--- [ 64.294134] ------------[ cut here ]------------ [ 64.294745] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.296602] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.297650] Modules linked in: [ 64.298123] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.299287] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.300300] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.300968] 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 [ 64.303174] RSP: 0018:ffff888016af7bf0 EFLAGS: 00010286 [ 64.303811] RAX: 0000000000000000 RBX: ffff88800e30ac40 RCX: 0000000000000000 [ 64.304697] RDX: ffff8880159951c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.305570] RBP: ffff88800e30ac54 R08: 0000000000000001 R09: 0000000000000000 [ 64.306509] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.307383] R13: ffffffff84e223a0 R14: ffff88800e30ac48 R15: ffffffff84daf020 [ 64.308269] FS: 0000555555b0f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.309289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.310041] CR2: 00007f6a7c696000 CR3: 000000000e744000 CR4: 0000000000350ef0 [ 64.310968] Call Trace: [ 64.311295] [ 64.311594] nf_ct_net_init+0x224/0x3d0 [ 64.312133] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.312702] ops_init+0xbb/0x6b0 [ 64.313170] setup_net+0x3d9/0x990 [ 64.313624] ? down_read_killable+0x1d7/0x4e0 [ 64.314235] ? __pfx_setup_net+0x10/0x10 [ 64.314738] ? copy_net_ns+0x17c/0x770 [ 64.315292] copy_net_ns+0x321/0x770 [ 64.315816] create_new_namespaces+0x3f6/0xb30 [ 64.316489] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.317194] ksys_unshare+0x44d/0x8e0 [ 64.317732] ? __pfx_ksys_unshare+0x10/0x10 [ 64.318436] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.319251] __x64_sys_unshare+0x31/0x40 [ 64.319812] do_syscall_64+0x3f/0x90 [ 64.320358] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.321084] RIP: 0033:0x7f0cca4c20d7 [ 64.321587] 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 [ 64.324026] RSP: 002b:00007ffdcc2ad838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.325102] RAX: ffffffffffffffda RBX: 00007ffdcc2ade78 RCX: 00007f0cca4c20d7 [ 64.326155] RDX: 00007f0cca52c41f RSI: 00007ffdcc2ad7d0 RDI: 0000000040000000 [ 64.327183] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcc2ad5e0 [ 64.328198] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0cca5d4bf0 [ 64.329186] R13: 00007ffdcc2ad910 R14: 0000000000000000 R15: 00000000000000f8 [ 64.330273] [ 64.330630] irq event stamp: 10443 [ 64.331142] hardirqs last enabled at (10455): [] __up_console_sem+0x78/0x80 [ 64.332328] hardirqs last disabled at (10466): [] __up_console_sem+0x5d/0x80 [ 64.333537] softirqs last enabled at (9890): [] irq_exit_rcu+0x93/0xc0 [ 64.334758] softirqs last disabled at (9885): [] irq_exit_rcu+0x93/0xc0 [ 64.335913] ---[ end trace 0000000000000000 ]--- executing program [ 65.859524] Bluetooth: hci0: command 0x0409 tx timeout [ 67.906960] Bluetooth: hci0: command 0x041b tx timeout executing program [ 69.955077] Bluetooth: hci0: command 0x040f tx timeout executing program [ 72.002961] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:50:41 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016af75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 0000555555b0f400 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=00007f6a7c696000 CR3=000000000e744000 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=00000000000401b3 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f6a7c66d440 CR3=00000000144ea000 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=2037343a30353a32312036312079614d XMM01=5d3738363030322e34362020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3738363030322e34362020205b XMM07=79732037343a30353a32312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000