syzkaller login: [ 34.951008] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:35375' (ECDSA) to the list of known hosts. 2023/05/16 22:15:49 fuzzer started 2023/05/16 22:15:50 dialing manager at localhost:35573 2023/05/16 22:15:50 checking machine... 2023/05/16 22:15:50 checking revisions... [ 39.752720] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:15:50 testing simple program... [ 39.826780] cgroup: Unknown subsys name 'net' [ 39.905597] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.110319] audit: type=1400 audit(1684275363.662:6): 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 [ 54.239999] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.241960] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.244589] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.248105] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.250751] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.252238] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.627083] ------------[ cut here ]------------ [ 54.627794] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.629765] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.630990] Modules linked in: [ 54.631525] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.636644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.637844] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.638724] 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 [ 54.641316] RSP: 0018:ffff88801fabfc00 EFLAGS: 00010282 [ 54.642019] RAX: 0000000000000000 RBX: ffff888010139c40 RCX: 0000000000000000 [ 54.643083] RDX: ffff888019e50000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.644363] RBP: ffff888010139c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.645391] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.646348] R13: ffffffff84e223a0 R14: ffff888010139c48 R15: ffffffff84d73340 [ 54.647324] FS: 0000555556493400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.648416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.649203] CR2: 00007fd83ee3b6f4 CR3: 000000000fdce000 CR4: 0000000000350ee0 [ 54.650159] Call Trace: [ 54.650491] [ 54.650794] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.651451] ipv4_frags_init_net+0x269/0x440 [ 54.652018] ops_init+0xbb/0x6b0 [ 54.652507] setup_net+0x3d9/0x990 [ 54.652966] ? down_read_killable+0x1d7/0x4e0 [ 54.653573] ? __pfx_setup_net+0x10/0x10 [ 54.654126] ? copy_net_ns+0x17c/0x770 [ 54.654647] copy_net_ns+0x321/0x770 [ 54.655174] create_new_namespaces+0x3f6/0xb30 [ 54.655769] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.656449] ksys_unshare+0x44d/0x8e0 [ 54.656971] ? __pfx_ksys_unshare+0x10/0x10 [ 54.657581] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.658372] __x64_sys_unshare+0x31/0x40 [ 54.658908] do_syscall_64+0x3f/0x90 [ 54.659451] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.660184] RIP: 0033:0x7f67ab8440d7 [ 54.660674] 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 [ 54.662976] RSP: 002b:00007ffd128c8d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.663985] RAX: ffffffffffffffda RBX: 00007ffd128c93a8 RCX: 00007f67ab8440d7 [ 54.664959] RDX: 00007f67ab8ae41f RSI: 00007ffd128c8d00 RDI: 0000000040000000 [ 54.665929] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd128c8b10 [ 54.666895] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f67ab956bf0 [ 54.667842] R13: 00007ffd128c8e40 R14: 0000000000000000 R15: 00000000000000f8 [ 54.668844] [ 54.669196] irq event stamp: 8555 [ 54.669644] hardirqs last enabled at (8565): [] __up_console_sem+0x78/0x80 [ 54.670785] hardirqs last disabled at (8576): [] __up_console_sem+0x5d/0x80 [ 54.671910] softirqs last enabled at (8176): [] irq_exit_rcu+0x93/0xc0 [ 54.672990] softirqs last disabled at (8151): [] irq_exit_rcu+0x93/0xc0 [ 54.674121] ---[ end trace 0000000000000000 ]--- [ 54.680413] ------------[ cut here ]------------ [ 54.681045] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.682743] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.683822] Modules linked in: [ 54.684279] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.685433] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.686453] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.687137] 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 [ 54.689327] RSP: 0018:ffff88801fabfc00 EFLAGS: 00010282 [ 54.689984] RAX: 0000000000000000 RBX: ffff88800f227840 RCX: 0000000000000000 [ 54.690887] RDX: ffff888019e50000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.691785] RBP: ffff88800f227854 R08: 0000000000000001 R09: 0000000000000000 [ 54.692758] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.693712] R13: ffffffff84e223a0 R14: ffff88800f227848 R15: ffffffff84da62e0 [ 54.694682] FS: 0000555556493400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.695752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.696555] CR2: 00007fd83ee3b6f4 CR3: 000000000fdce000 CR4: 0000000000350ee0 [ 54.697499] Call Trace: [ 54.697847] [ 54.698194] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.698845] ipv6_frags_init_net+0x206/0x3c0 [ 54.699470] ops_init+0xbb/0x6b0 [ 54.699944] setup_net+0x3d9/0x990 [ 54.700486] ? down_read_killable+0x1d7/0x4e0 [ 54.701086] ? __pfx_setup_net+0x10/0x10 [ 54.701661] ? copy_net_ns+0x17c/0x770 [ 54.702234] copy_net_ns+0x321/0x770 [ 54.702736] create_new_namespaces+0x3f6/0xb30 [ 54.703387] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.704039] ksys_unshare+0x44d/0x8e0 [ 54.704604] ? __pfx_ksys_unshare+0x10/0x10 [ 54.705223] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.705971] __x64_sys_unshare+0x31/0x40 [ 54.706553] do_syscall_64+0x3f/0x90 [ 54.707050] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.707770] RIP: 0033:0x7f67ab8440d7 [ 54.708312] 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 [ 54.710610] RSP: 002b:00007ffd128c8d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.711631] RAX: ffffffffffffffda RBX: 00007ffd128c93a8 RCX: 00007f67ab8440d7 [ 54.712587] RDX: 00007f67ab8ae41f RSI: 00007ffd128c8d00 RDI: 0000000040000000 [ 54.713546] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd128c8b10 [ 54.714493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f67ab956bf0 [ 54.715450] R13: 00007ffd128c8e40 R14: 0000000000000000 R15: 00000000000000f8 [ 54.716432] [ 54.716752] irq event stamp: 10271 [ 54.717251] hardirqs last enabled at (10283): [] __up_console_sem+0x78/0x80 [ 54.718391] hardirqs last disabled at (10294): [] __up_console_sem+0x5d/0x80 [ 54.719524] softirqs last enabled at (9504): [] irq_exit_rcu+0x93/0xc0 [ 54.720648] softirqs last disabled at (9417): [] irq_exit_rcu+0x93/0xc0 [ 54.721730] ---[ end trace 0000000000000000 ]--- [ 54.723380] ------------[ cut here ]------------ [ 54.724005] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.726046] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.727204] Modules linked in: [ 54.727636] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.728870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.729953] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.730672] 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 [ 54.733000] RSP: 0018:ffff88801fabfbf0 EFLAGS: 00010286 [ 54.733730] RAX: 0000000000000000 RBX: ffff88800f226640 RCX: 0000000000000000 [ 54.734679] RDX: ffff888019e50000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.735632] RBP: ffff88800f226654 R08: 0000000000000001 R09: 0000000000000000 [ 54.736604] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.737549] R13: ffffffff84e223a0 R14: ffff88800f226648 R15: ffffffff84daf020 [ 54.738508] FS: 0000555556493400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.739569] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.740370] CR2: 00007fd83ee3b6f4 CR3: 000000000fdce000 CR4: 0000000000350ee0 [ 54.741324] Call Trace: [ 54.741668] [ 54.741980] nf_ct_net_init+0x224/0x3d0 [ 54.742564] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.743208] ops_init+0xbb/0x6b0 [ 54.743680] setup_net+0x3d9/0x990 [ 54.744207] ? down_read_killable+0x1d7/0x4e0 [ 54.744799] ? __pfx_setup_net+0x10/0x10 [ 54.745376] ? copy_net_ns+0x17c/0x770 [ 54.745909] copy_net_ns+0x321/0x770 [ 54.746451] create_new_namespaces+0x3f6/0xb30 [ 54.747066] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.747754] ksys_unshare+0x44d/0x8e0 [ 54.748366] ? __pfx_ksys_unshare+0x10/0x10 [ 54.748973] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.749783] __x64_sys_unshare+0x31/0x40 [ 54.750399] do_syscall_64+0x3f/0x90 [ 54.750925] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.751670] RIP: 0033:0x7f67ab8440d7 [ 54.752233] 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 [ 54.754650] RSP: 002b:00007ffd128c8d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.755709] RAX: ffffffffffffffda RBX: 00007ffd128c93a8 RCX: 00007f67ab8440d7 [ 54.756707] RDX: 00007f67ab8ae41f RSI: 00007ffd128c8d00 RDI: 0000000040000000 [ 54.757704] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd128c8b10 [ 54.758697] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f67ab956bf0 [ 54.759693] R13: 00007ffd128c8e40 R14: 0000000000000000 R15: 00000000000000f8 [ 54.760737] [ 54.761073] irq event stamp: 11031 [ 54.761597] hardirqs last enabled at (11043): [] __up_console_sem+0x78/0x80 [ 54.762797] hardirqs last disabled at (11054): [] __up_console_sem+0x5d/0x80 [ 54.763994] softirqs last enabled at (10678): [] irq_exit_rcu+0x93/0xc0 [ 54.765167] softirqs last disabled at (10673): [] irq_exit_rcu+0x93/0xc0 [ 54.766337] ---[ end trace 0000000000000000 ]--- [ 56.325685] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.374209] Bluetooth: hci0: command 0x041b tx timeout [ 60.421167] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.469179] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:16:01 Registers: info registers vcpu 0 RAX=ffffed1002b67fa8 RBX=1ffff11002b67fa8 RCX=0000000000000000 RDX=dffffc0000000000 RSI=ffffffff814d30e6 RDI=ffffffff852b0208 RBP=ffff88800f933680 RSP=ffff888015b3fd40 R8 =0000000000000006 R9 =00000000c000003e R10=0000000040000003 R11=0000000000000000 R12=ffff88800f933a70 R13=ffff88800f933a60 R14=ffff888015b3fe30 R15=000000007fff0000 RIP=ffffffff81249b28 RFL=00000212 [----A--] 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 00007f4f36105900 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=00007f4f355fe628 CR3=000000000e93e000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d8f928da5fab84ed000000000010e5f0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3b6d4950dbb5086900000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fabf598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555556493400 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=00007fd83ee3b6f4 CR3=000000000fdce000 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=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