syzkaller login: [ 35.500738] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:64324' (ECDSA) to the list of known hosts. 2023/05/17 00:26:56 fuzzer started 2023/05/17 00:26:56 dialing manager at localhost:35573 2023/05/17 00:26:56 checking machine... 2023/05/17 00:26:56 checking revisions... [ 37.830687] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:26:56 testing simple program... [ 37.898835] cgroup: Unknown subsys name 'net' [ 37.983780] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.867711] audit: type=1400 audit(1684283229.576:6): 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 [ 51.994289] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.995812] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.998325] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.002166] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.004292] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.005851] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.241214] ------------[ cut here ]------------ [ 52.241871] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.243733] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.244828] Modules linked in: [ 52.245265] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.249930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.250935] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.251612] 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 [ 52.253790] RSP: 0018:ffff888020297c00 EFLAGS: 00010282 [ 52.254472] RAX: 0000000000000000 RBX: ffff8880100a5c40 RCX: 0000000000000000 [ 52.255359] RDX: ffff88801e830000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.256257] RBP: ffff8880100a5c54 R08: 0000000000000001 R09: 0000000000000000 [ 52.257136] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.258030] R13: ffffffff84e223a0 R14: ffff8880100a5c48 R15: ffffffff84d73340 [ 52.258896] FS: 00005555555a9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.259911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.260649] CR2: 00007ffe477dd080 CR3: 000000000c558000 CR4: 0000000000350ef0 [ 52.261554] Call Trace: [ 52.261880] [ 52.262208] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.262826] ipv4_frags_init_net+0x269/0x440 [ 52.263408] ops_init+0xbb/0x6b0 [ 52.263868] setup_net+0x3d9/0x990 [ 52.264352] ? down_read_killable+0x1d7/0x4e0 [ 52.264919] ? __pfx_setup_net+0x10/0x10 [ 52.265458] ? copy_net_ns+0x17c/0x770 [ 52.265990] copy_net_ns+0x321/0x770 [ 52.266477] create_new_namespaces+0x3f6/0xb30 [ 52.267100] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.267719] ksys_unshare+0x44d/0x8e0 [ 52.268269] ? __pfx_ksys_unshare+0x10/0x10 [ 52.268807] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.269552] __x64_sys_unshare+0x31/0x40 [ 52.270092] do_syscall_64+0x3f/0x90 [ 52.270563] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.271233] RIP: 0033:0x7ffbc120c0d7 [ 52.271695] 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 [ 52.273847] RSP: 002b:00007ffc0af826b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.274796] RAX: ffffffffffffffda RBX: 00007ffc0af82cf8 RCX: 00007ffbc120c0d7 [ 52.275677] RDX: 00007ffbc127641f RSI: 00007ffc0af82650 RDI: 0000000040000000 [ 52.276560] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0af82460 [ 52.277443] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffbc131ebf0 [ 52.278317] R13: 00007ffc0af82790 R14: 0000000000000000 R15: 00000000000000f8 [ 52.279214] [ 52.279514] irq event stamp: 8329 [ 52.279986] hardirqs last enabled at (8341): [] __up_console_sem+0x78/0x80 [ 52.281039] hardirqs last disabled at (8352): [] __up_console_sem+0x5d/0x80 [ 52.282097] softirqs last enabled at (8236): [] irq_exit_rcu+0x93/0xc0 [ 52.283109] softirqs last disabled at (8231): [] irq_exit_rcu+0x93/0xc0 [ 52.284136] ---[ end trace 0000000000000000 ]--- [ 52.289769] ------------[ cut here ]------------ [ 52.290414] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.292074] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.293136] Modules linked in: [ 52.293547] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.294707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.295718] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.296394] 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 [ 52.298563] RSP: 0018:ffff888020297c00 EFLAGS: 00010282 [ 52.299252] RAX: 0000000000000000 RBX: ffff88800dd87840 RCX: 0000000000000000 [ 52.300164] RDX: ffff88801e830000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.301055] RBP: ffff88800dd87854 R08: 0000000000000001 R09: 0000000000000000 [ 52.301912] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.302790] R13: ffffffff84e223a0 R14: ffff88800dd87848 R15: ffffffff84da62e0 [ 52.303680] FS: 00005555555a9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.304671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.305407] CR2: 00007ffe477dd080 CR3: 000000000c558000 CR4: 0000000000350ef0 [ 52.306292] Call Trace: [ 52.306615] [ 52.306908] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.307542] ipv6_frags_init_net+0x206/0x3c0 [ 52.308142] ops_init+0xbb/0x6b0 [ 52.308588] setup_net+0x3d9/0x990 [ 52.309073] ? down_read_killable+0x1d7/0x4e0 [ 52.309636] ? __pfx_setup_net+0x10/0x10 [ 52.310173] ? copy_net_ns+0x17c/0x770 [ 52.310680] copy_net_ns+0x321/0x770 [ 52.311193] create_new_namespaces+0x3f6/0xb30 [ 52.311774] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.312448] ksys_unshare+0x44d/0x8e0 [ 52.312934] ? __pfx_ksys_unshare+0x10/0x10 [ 52.313510] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.314248] __x64_sys_unshare+0x31/0x40 [ 52.314763] do_syscall_64+0x3f/0x90 [ 52.315266] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.315910] RIP: 0033:0x7ffbc120c0d7 [ 52.316405] 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 [ 52.318560] RSP: 002b:00007ffc0af826b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.319492] RAX: ffffffffffffffda RBX: 00007ffc0af82cf8 RCX: 00007ffbc120c0d7 [ 52.320403] RDX: 00007ffbc127641f RSI: 00007ffc0af82650 RDI: 0000000040000000 [ 52.321280] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0af82460 [ 52.322157] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffbc131ebf0 [ 52.323039] R13: 00007ffc0af82790 R14: 0000000000000000 R15: 00000000000000f8 [ 52.323922] [ 52.324253] irq event stamp: 10307 [ 52.324685] hardirqs last enabled at (10317): [] __up_console_sem+0x78/0x80 [ 52.325742] hardirqs last disabled at (10328): [] __up_console_sem+0x5d/0x80 [ 52.326804] softirqs last enabled at (9790): [] irq_exit_rcu+0x93/0xc0 [ 52.327846] softirqs last disabled at (9775): [] irq_exit_rcu+0x93/0xc0 [ 52.328877] ---[ end trace 0000000000000000 ]--- [ 52.330228] ------------[ cut here ]------------ [ 52.330805] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.332666] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.333713] Modules linked in: [ 52.334144] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.335285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.336303] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.336933] 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 [ 52.339095] RSP: 0018:ffff888020297bf0 EFLAGS: 00010286 [ 52.339738] RAX: 0000000000000000 RBX: ffff88800dd86a40 RCX: 0000000000000000 [ 52.340638] RDX: ffff88801e830000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.341515] RBP: ffff88800dd86a54 R08: 0000000000000001 R09: 0000000000000000 [ 52.342418] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.343303] R13: ffffffff84e223a0 R14: ffff88800dd86a48 R15: ffffffff84daf020 [ 52.344208] FS: 00005555555a9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.345212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.345922] CR2: 00007ffe477dd080 CR3: 000000000c558000 CR4: 0000000000350ef0 [ 52.346803] Call Trace: [ 52.347157] [ 52.347461] nf_ct_net_init+0x224/0x3d0 [ 52.348030] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.348605] ops_init+0xbb/0x6b0 [ 52.349080] setup_net+0x3d9/0x990 [ 52.349539] ? down_read_killable+0x1d7/0x4e0 [ 52.350136] ? __pfx_setup_net+0x10/0x10 [ 52.350645] ? copy_net_ns+0x17c/0x770 [ 52.351183] copy_net_ns+0x321/0x770 [ 52.351663] create_new_namespaces+0x3f6/0xb30 [ 52.352288] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.352915] ksys_unshare+0x44d/0x8e0 [ 52.353454] ? __pfx_ksys_unshare+0x10/0x10 [ 52.354037] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.354759] __x64_sys_unshare+0x31/0x40 [ 52.355306] do_syscall_64+0x3f/0x90 [ 52.355791] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.356499] RIP: 0033:0x7ffbc120c0d7 [ 52.357009] 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 [ 52.359216] RSP: 002b:00007ffc0af826b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.360179] RAX: ffffffffffffffda RBX: 00007ffc0af82cf8 RCX: 00007ffbc120c0d7 [ 52.361081] RDX: 00007ffbc127641f RSI: 00007ffc0af82650 RDI: 0000000040000000 [ 52.361977] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0af82460 [ 52.362847] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffbc131ebf0 [ 52.363750] R13: 00007ffc0af82790 R14: 0000000000000000 R15: 00000000000000f8 [ 52.364681] [ 52.365021] irq event stamp: 11051 [ 52.365471] hardirqs last enabled at (11061): [] __up_console_sem+0x78/0x80 [ 52.366553] hardirqs last disabled at (11072): [] __up_console_sem+0x5d/0x80 [ 52.367647] softirqs last enabled at (10600): [] irq_exit_rcu+0x93/0xc0 [ 52.368719] softirqs last disabled at (10595): [] irq_exit_rcu+0x93/0xc0 [ 52.369779] ---[ end trace 0000000000000000 ]--- executing program [ 54.078638] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.126224] Bluetooth: hci0: command 0x041b tx timeout [ 58.175023] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.222035] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:27:10 Registers: info registers vcpu 0 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880202975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 00005555555a9400 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=00007ffe477dd080 CR3=000000000c558000 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=00000000000000000000000000000005 XMM01=00000000ff0000000000000000000000 XMM02=ffffffffffffff000000000000ffff00 XMM03=616d2029003a6e616d003b3b385d1b00 XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=000055ae7d3b1470000055ae7d3b1450 XMM06=0000000000000000ffffffff00000000 XMM07=00000000000000000000000000000000 XMM08=45525f4b43000068746f6f7465756c62 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002c475 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=00007f51405d9000 CR3=00000000165e6000 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=8c53cc7dea96b596014eb1bcceb7f025 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=126b30f833502025000000000013bf38 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=877a4dfdb7e144ce00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000