syzkaller login: [ 40.660005] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:24321' (ECDSA) to the list of known hosts. 2023/05/17 00:23:00 fuzzer started 2023/05/17 00:23:00 dialing manager at localhost:35573 2023/05/17 00:23:00 checking machine... 2023/05/17 00:23:00 checking revisions... [ 41.890606] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:23:00 testing simple program... [ 41.968203] cgroup: Unknown subsys name 'net' [ 42.074844] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.012858] audit: type=1400 audit(1684282992.895:6): 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 [ 55.116809] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.120099] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.122134] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.124891] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.126500] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.127825] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.503562] ------------[ cut here ]------------ [ 55.504368] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.506441] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.507723] Modules linked in: [ 55.508238] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.511085] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.512799] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.513491] 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 [ 55.515718] RSP: 0018:ffff88801fa97c00 EFLAGS: 00010282 [ 55.516453] RAX: 0000000000000000 RBX: ffff8880164b8c40 RCX: 0000000000000000 [ 55.517399] RDX: ffff88801c6ab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.518393] RBP: ffff8880164b8c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.519262] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.520169] R13: ffffffff84e223a0 R14: ffff8880164b8c48 R15: ffffffff84d73340 [ 55.521092] FS: 0000555556b84400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.522155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.522974] CR2: 00007efc137b1580 CR3: 000000001ba2c000 CR4: 0000000000350ef0 [ 55.523918] Call Trace: [ 55.524261] [ 55.524596] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.525262] ipv4_frags_init_net+0x269/0x440 [ 55.525878] ops_init+0xbb/0x6b0 [ 55.526360] setup_net+0x3d9/0x990 [ 55.526832] ? down_read_killable+0x1d7/0x4e0 [ 55.527429] ? __pfx_setup_net+0x10/0x10 [ 55.527951] ? copy_net_ns+0x17c/0x770 [ 55.528487] copy_net_ns+0x321/0x770 [ 55.529009] create_new_namespaces+0x3f6/0xb30 [ 55.529661] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.530375] ksys_unshare+0x44d/0x8e0 [ 55.530901] ? __pfx_ksys_unshare+0x10/0x10 [ 55.531500] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.532256] __x64_sys_unshare+0x31/0x40 [ 55.532874] do_syscall_64+0x3f/0x90 [ 55.533409] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.534106] RIP: 0033:0x7f7d2893e0d7 [ 55.534644] 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 [ 55.536994] RSP: 002b:00007ffc3f151848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.538008] RAX: ffffffffffffffda RBX: 00007ffc3f151e88 RCX: 00007f7d2893e0d7 [ 55.538961] RDX: 00007f7d289a841f RSI: 00007ffc3f1517e0 RDI: 0000000040000000 [ 55.539916] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3f1515f0 [ 55.540869] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7d28a50bf0 [ 55.541810] R13: 00007ffc3f151920 R14: 0000000000000000 R15: 00000000000000f8 [ 55.542788] [ 55.543110] irq event stamp: 8075 [ 55.543590] hardirqs last enabled at (8087): [] __up_console_sem+0x78/0x80 [ 55.544712] hardirqs last disabled at (8098): [] __up_console_sem+0x5d/0x80 [ 55.545858] softirqs last enabled at (7880): [] irq_exit_rcu+0x93/0xc0 [ 55.546963] softirqs last disabled at (7875): [] irq_exit_rcu+0x93/0xc0 [ 55.548066] ---[ end trace 0000000000000000 ]--- [ 55.553931] ------------[ cut here ]------------ [ 55.554584] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.556283] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.557489] Modules linked in: [ 55.557928] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.559170] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.560255] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.560985] 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 [ 55.563336] RSP: 0018:ffff88801fa97c00 EFLAGS: 00010282 [ 55.564023] RAX: 0000000000000000 RBX: ffff88800e7e6c40 RCX: 0000000000000000 [ 55.564984] RDX: ffff88801c6ab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.565961] RBP: ffff88800e7e6c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.566938] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.567884] R13: ffffffff84e223a0 R14: ffff88800e7e6c48 R15: ffffffff84da62e0 [ 55.568846] FS: 0000555556b84400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.569909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.570707] CR2: 00007efc137b1580 CR3: 000000001ba2c000 CR4: 0000000000350ef0 [ 55.571654] Call Trace: [ 55.572003] [ 55.572338] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.573002] ipv6_frags_init_net+0x206/0x3c0 [ 55.573627] ops_init+0xbb/0x6b0 [ 55.574114] setup_net+0x3d9/0x990 [ 55.574637] ? down_read_killable+0x1d7/0x4e0 [ 55.575243] ? __pfx_setup_net+0x10/0x10 [ 55.575813] ? copy_net_ns+0x17c/0x770 [ 55.576379] copy_net_ns+0x321/0x770 [ 55.576905] create_new_namespaces+0x3f6/0xb30 [ 55.577545] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.578229] ksys_unshare+0x44d/0x8e0 [ 55.578800] ? __pfx_ksys_unshare+0x10/0x10 [ 55.579401] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.580160] __x64_sys_unshare+0x31/0x40 [ 55.580732] do_syscall_64+0x3f/0x90 [ 55.581248] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.581963] RIP: 0033:0x7f7d2893e0d7 [ 55.582510] 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 [ 55.584854] RSP: 002b:00007ffc3f151848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.585870] RAX: ffffffffffffffda RBX: 00007ffc3f151e88 RCX: 00007f7d2893e0d7 [ 55.586830] RDX: 00007f7d289a841f RSI: 00007ffc3f1517e0 RDI: 0000000040000000 [ 55.587777] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3f1515f0 [ 55.588713] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7d28a50bf0 [ 55.589670] R13: 00007ffc3f151920 R14: 0000000000000000 R15: 00000000000000f8 [ 55.590645] [ 55.590973] irq event stamp: 10121 [ 55.591455] hardirqs last enabled at (10133): [] __up_console_sem+0x78/0x80 [ 55.592621] hardirqs last disabled at (10150): [] __up_console_sem+0x5d/0x80 [ 55.593778] softirqs last enabled at (10146): [] irq_exit_rcu+0x93/0xc0 [ 55.594927] softirqs last disabled at (10141): [] irq_exit_rcu+0x93/0xc0 [ 55.596378] ---[ end trace 0000000000000000 ]--- [ 55.598613] ------------[ cut here ]------------ [ 55.599454] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.601968] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.603446] Modules linked in: [ 55.604014] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.605608] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.607031] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.607975] 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 [ 55.611035] RSP: 0018:ffff88801fa97bf0 EFLAGS: 00010286 [ 55.612010] RAX: 0000000000000000 RBX: ffff88800e7e7040 RCX: 0000000000000000 [ 55.613125] RDX: ffff88801c6ab680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.614089] RBP: ffff88800e7e7054 R08: 0000000000000001 R09: 0000000000000000 [ 55.615057] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.616001] R13: ffffffff84e223a0 R14: ffff88800e7e7048 R15: ffffffff84daf020 [ 55.616945] FS: 0000555556b84400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.618013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.618855] CR2: 00007efc137b1580 CR3: 000000001ba2c000 CR4: 0000000000350ef0 [ 55.619826] Call Trace: [ 55.620205] [ 55.620543] nf_ct_net_init+0x224/0x3d0 [ 55.621098] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.621725] ops_init+0xbb/0x6b0 [ 55.622214] setup_net+0x3d9/0x990 [ 55.622727] ? down_read_killable+0x1d7/0x4e0 [ 55.623372] ? __pfx_setup_net+0x10/0x10 [ 55.623921] ? copy_net_ns+0x17c/0x770 [ 55.624480] copy_net_ns+0x321/0x770 [ 55.624997] create_new_namespaces+0x3f6/0xb30 [ 55.625632] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.626343] ksys_unshare+0x44d/0x8e0 [ 55.626879] ? __pfx_ksys_unshare+0x10/0x10 [ 55.627482] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.628248] __x64_sys_unshare+0x31/0x40 [ 55.628843] do_syscall_64+0x3f/0x90 [ 55.629370] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.630047] RIP: 0033:0x7f7d2893e0d7 [ 55.630580] 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 [ 55.632920] RSP: 002b:00007ffc3f151848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.633929] RAX: ffffffffffffffda RBX: 00007ffc3f151e88 RCX: 00007f7d2893e0d7 [ 55.634906] RDX: 00007f7d289a841f RSI: 00007ffc3f1517e0 RDI: 0000000040000000 [ 55.635852] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3f1515f0 [ 55.636796] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7d28a50bf0 [ 55.637752] R13: 00007ffc3f151920 R14: 0000000000000000 R15: 00000000000000f8 [ 55.638736] [ 55.639076] irq event stamp: 10987 [ 55.639574] hardirqs last enabled at (10999): [] __up_console_sem+0x78/0x80 [ 55.640711] hardirqs last disabled at (11010): [] __up_console_sem+0x5d/0x80 [ 55.641863] softirqs last enabled at (10520): [] irq_exit_rcu+0x93/0xc0 [ 55.643016] softirqs last disabled at (10511): [] irq_exit_rcu+0x93/0xc0 [ 55.644133] ---[ end trace 0000000000000000 ]--- executing program [ 57.188919] Bluetooth: hci0: command 0x0409 tx timeout [ 59.236577] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.284445] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.332464] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:23:10 Registers: info registers vcpu 0 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fa975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 0000555556b84400 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=00007efc137b1580 CR3=000000001ba2c000 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=0000000000000000 RBX=0000000000000002 RCX=0000000000000000 RDX=ffff888016b43680 RSI=ffffffff814d36e5 RDI=ffff888016bbfe30 RBP=0000000000000000 RSP=ffff888016bbfdc8 R8 =0000000000000005 R9 =0000000000000003 R10=0000000000000002 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff814cebd6 RFL=00000293 [--S-A-C] 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 00007f48e6519900 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=00007f48e599e0f0 CR3=000000000ece4000 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=f4b5a998a039cfb4cd4c33f7d5b54301 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=9ed6f955a14ca673000000000013b6a8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0597649c1f83a8b500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020202000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000