syzkaller login: [ 34.656723] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:12251' (ECDSA) to the list of known hosts. 2023/05/17 03:17:19 fuzzer started 2023/05/17 03:17:19 dialing manager at localhost:35573 2023/05/17 03:17:19 checking machine... 2023/05/17 03:17:19 checking revisions... [ 36.731246] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:17:19 testing simple program... [ 36.803010] cgroup: Unknown subsys name 'net' [ 36.896551] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.198249] audit: type=1400 audit(1684293452.189:6): 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 [ 50.308701] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.310481] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.313113] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.316389] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.317898] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.319749] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.693595] ------------[ cut here ]------------ [ 50.694662] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.696392] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.697489] Modules linked in: [ 50.697953] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.703149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.704300] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.704988] 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 [ 50.707200] RSP: 0018:ffff88801a6efc00 EFLAGS: 00010282 [ 50.707903] RAX: 0000000000000000 RBX: ffff88800f147c40 RCX: 0000000000000000 [ 50.708767] RDX: ffff88800e3d0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.709668] RBP: ffff88800f147c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.710579] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.711474] R13: ffffffff84e223a0 R14: ffff88800f147c48 R15: ffffffff84d73340 [ 50.712381] FS: 0000555556847400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.713382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.714177] CR2: 00007f9eee8916f4 CR3: 0000000020270000 CR4: 0000000000350ef0 [ 50.715080] Call Trace: [ 50.715416] [ 50.715715] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.716363] ipv4_frags_init_net+0x269/0x440 [ 50.716960] ops_init+0xbb/0x6b0 [ 50.717411] setup_net+0x3d9/0x990 [ 50.717903] ? down_read_killable+0x1d7/0x4e0 [ 50.718474] ? __pfx_setup_net+0x10/0x10 [ 50.719011] ? copy_net_ns+0x17c/0x770 [ 50.719520] copy_net_ns+0x321/0x770 [ 50.720034] create_new_namespaces+0x3f6/0xb30 [ 50.720617] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.721264] ksys_unshare+0x44d/0x8e0 [ 50.721757] ? __pfx_ksys_unshare+0x10/0x10 [ 50.722368] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.723118] __x64_sys_unshare+0x31/0x40 [ 50.723641] do_syscall_64+0x3f/0x90 [ 50.724151] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.724823] RIP: 0033:0x7f42057cd0d7 [ 50.725295] 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 [ 50.727489] RSP: 002b:00007fff18208148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.728435] RAX: ffffffffffffffda RBX: 00007fff18208788 RCX: 00007f42057cd0d7 [ 50.729331] RDX: 00007f420583741f RSI: 00007fff182080e0 RDI: 0000000040000000 [ 50.730244] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff18207ef0 [ 50.731179] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f42058dfbf0 [ 50.732075] R13: 00007fff18208220 R14: 0000000000000000 R15: 00000000000000f8 [ 50.732995] [ 50.733299] irq event stamp: 8227 [ 50.733726] hardirqs last enabled at (8237): [] __up_console_sem+0x78/0x80 [ 50.734823] hardirqs last disabled at (8250): [] __up_console_sem+0x5d/0x80 [ 50.735894] softirqs last enabled at (8188): [] irq_exit_rcu+0x93/0xc0 [ 50.736937] softirqs last disabled at (8183): [] irq_exit_rcu+0x93/0xc0 [ 50.737988] ---[ end trace 0000000000000000 ]--- [ 50.745055] ------------[ cut here ]------------ [ 50.745646] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.747421] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.748498] Modules linked in: [ 50.748945] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.750118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.751147] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.751823] 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 [ 50.754036] RSP: 0018:ffff88801a6efc00 EFLAGS: 00010282 [ 50.754685] RAX: 0000000000000000 RBX: ffff888014561440 RCX: 0000000000000000 [ 50.755590] RDX: ffff88800e3d0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.756491] RBP: ffff888014561454 R08: 0000000000000001 R09: 0000000000000000 [ 50.757387] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.758288] R13: ffffffff84e223a0 R14: ffff888014561448 R15: ffffffff84da62e0 [ 50.759200] FS: 0000555556847400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.760205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.760952] CR2: 00007f9eee8916f4 CR3: 0000000020270000 CR4: 0000000000350ef0 [ 50.761863] Call Trace: [ 50.762199] [ 50.762506] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.763169] ipv6_frags_init_net+0x206/0x3c0 [ 50.763733] ops_init+0xbb/0x6b0 [ 50.764216] setup_net+0x3d9/0x990 [ 50.764680] ? down_read_killable+0x1d7/0x4e0 [ 50.765294] ? __pfx_setup_net+0x10/0x10 [ 50.765881] ? copy_net_ns+0x17c/0x770 [ 50.766408] copy_net_ns+0x321/0x770 [ 50.766937] create_new_namespaces+0x3f6/0xb30 [ 50.767531] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.768175] ksys_unshare+0x44d/0x8e0 [ 50.768673] ? __pfx_ksys_unshare+0x10/0x10 [ 50.769252] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.770011] __x64_sys_unshare+0x31/0x40 [ 50.770536] do_syscall_64+0x3f/0x90 [ 50.771047] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.771698] RIP: 0033:0x7f42057cd0d7 [ 50.772194] 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 [ 50.774398] RSP: 002b:00007fff18208148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.775362] RAX: ffffffffffffffda RBX: 00007fff18208788 RCX: 00007f42057cd0d7 [ 50.776265] RDX: 00007f420583741f RSI: 00007fff182080e0 RDI: 0000000040000000 [ 50.777172] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff18207ef0 [ 50.778090] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f42058dfbf0 [ 50.778996] R13: 00007fff18208220 R14: 0000000000000000 R15: 00000000000000f8 [ 50.779919] [ 50.780227] irq event stamp: 11021 [ 50.780670] hardirqs last enabled at (11031): [] __up_console_sem+0x78/0x80 [ 50.781754] hardirqs last disabled at (11042): [] __up_console_sem+0x5d/0x80 [ 50.782859] softirqs last enabled at (10622): [] irq_exit_rcu+0x93/0xc0 [ 50.783919] softirqs last disabled at (10613): [] irq_exit_rcu+0x93/0xc0 [ 50.784976] ---[ end trace 0000000000000000 ]--- [ 50.786362] ------------[ cut here ]------------ [ 50.786972] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.788901] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.789986] Modules linked in: [ 50.790393] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.791561] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.792579] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.793258] 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 [ 50.795459] RSP: 0018:ffff88801a6efbf0 EFLAGS: 00010286 [ 50.796154] RAX: 0000000000000000 RBX: ffff88800d5f9240 RCX: 0000000000000000 [ 50.797043] RDX: ffff88800e3d0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.797962] RBP: ffff88800d5f9254 R08: 0000000000000001 R09: 0000000000000000 [ 50.798857] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.799725] R13: ffffffff84e223a0 R14: ffff88800d5f9248 R15: ffffffff84daf020 [ 50.800626] FS: 0000555556847400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.801626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.802380] CR2: 00007f9eee8916f4 CR3: 0000000020270000 CR4: 0000000000350ef0 [ 50.803288] Call Trace: [ 50.803618] [ 50.803950] nf_ct_net_init+0x224/0x3d0 [ 50.804470] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.805077] ops_init+0xbb/0x6b0 [ 50.805524] setup_net+0x3d9/0x990 [ 50.806030] ? down_read_killable+0x1d7/0x4e0 [ 50.806603] ? __pfx_setup_net+0x10/0x10 [ 50.807142] ? copy_net_ns+0x17c/0x770 [ 50.807652] copy_net_ns+0x321/0x770 [ 50.808160] create_new_namespaces+0x3f6/0xb30 [ 50.808744] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.809388] ksys_unshare+0x44d/0x8e0 [ 50.809930] ? __pfx_ksys_unshare+0x10/0x10 [ 50.810509] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.811291] __x64_sys_unshare+0x31/0x40 [ 50.811850] do_syscall_64+0x3f/0x90 [ 50.812342] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.813038] RIP: 0033:0x7f42057cd0d7 [ 50.813536] 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 [ 50.815822] RSP: 002b:00007fff18208148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.816766] RAX: ffffffffffffffda RBX: 00007fff18208788 RCX: 00007f42057cd0d7 [ 50.817681] RDX: 00007f420583741f RSI: 00007fff182080e0 RDI: 0000000040000000 [ 50.818588] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff18207ef0 [ 50.819494] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f42058dfbf0 [ 50.820392] R13: 00007fff18208220 R14: 0000000000000000 R15: 00000000000000f8 [ 50.821325] [ 50.821631] irq event stamp: 11829 [ 50.822111] hardirqs last enabled at (11841): [] __up_console_sem+0x78/0x80 [ 50.823196] hardirqs last disabled at (11852): [] __up_console_sem+0x5d/0x80 [ 50.824277] softirqs last enabled at (11714): [] irq_exit_rcu+0x93/0xc0 [ 50.825319] softirqs last disabled at (11709): [] irq_exit_rcu+0x93/0xc0 [ 50.826400] ---[ end trace 0000000000000000 ]--- executing program [ 52.395462] Bluetooth: hci0: command 0x0409 tx timeout [ 54.442863] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.490893] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.539870] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:17:32 Registers: info registers vcpu 0 RAX=0000000000000033 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a6ef5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000033 R11=0000000000000001 R12=0000000000000033 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 0000555556847400 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=00007f9eee8916f4 CR3=0000000020270000 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=0000000000027fad 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=00007f060df2a520 CR3=000000000e8a8000 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=d146f0f3502c9785a249b87b954e4065 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=6834b29984b8b86b000000000013b9a0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=eb77062247be556a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000