syzkaller login: [ 57.335058] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:17156' (ECDSA) to the list of known hosts. 2023/05/18 03:40:58 fuzzer started 2023/05/18 03:40:58 dialing manager at localhost:44319 2023/05/18 03:40:58 checking machine... 2023/05/18 03:40:58 checking revisions... [ 58.530638] kmemleak: Automatic memory scanning thread ended 2023/05/18 03:40:59 testing simple program... [ 58.605856] cgroup: Unknown subsys name 'net' [ 58.713809] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 71.178526] audit: type=1400 audit(1684381271.660:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 72.294812] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.296905] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.298811] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.302400] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.304794] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.306361] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.709744] ------------[ cut here ]------------ [ 72.710955] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 72.712886] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.714135] Modules linked in: [ 72.714643] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 72.719760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.720773] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.721447] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 72.723619] RSP: 0018:ffff88801a7d7c00 EFLAGS: 00010282 [ 72.724290] RAX: 0000000000000000 RBX: ffff88800e2c5c40 RCX: 0000000000000000 [ 72.725174] RDX: ffff8880167351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 72.726014] RBP: ffff88800e2c5c54 R08: 0000000000000001 R09: 0000000000000000 [ 72.726903] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 72.727778] R13: ffffffff84e23fe0 R14: ffff88800e2c5c48 R15: ffffffff84d74dc0 [ 72.728654] FS: 000055555689d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 72.729625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.730356] CR2: 00007f36f1d9a6f4 CR3: 00000000159a4000 CR4: 0000000000350ee0 [ 72.731236] Call Trace: [ 72.731567] [ 72.731856] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 72.732490] ipv4_frags_init_net+0x269/0x440 [ 72.733042] ops_init+0xbb/0x6b0 [ 72.733513] setup_net+0x3d9/0x990 [ 72.733958] ? down_read_killable+0x1d7/0x4e0 [ 72.734550] ? __pfx_setup_net+0x10/0x10 [ 72.735051] ? copy_net_ns+0x17c/0x770 [ 72.735604] copy_net_ns+0x321/0x770 [ 72.736119] create_new_namespaces+0x3f6/0xb30 [ 72.736697] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.737330] ksys_unshare+0x44d/0x8e0 [ 72.737812] ? __pfx_ksys_unshare+0x10/0x10 [ 72.738377] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.739109] __x64_sys_unshare+0x31/0x40 [ 72.739621] do_syscall_64+0x3f/0x90 [ 72.740119] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.740757] RIP: 0033:0x7fc77f0790d7 [ 72.741241] 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 [ 72.743381] RSP: 002b:00007ffdcd8b9778 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 72.744341] RAX: ffffffffffffffda RBX: 00007ffdcd8b9db8 RCX: 00007fc77f0790d7 [ 72.745213] RDX: 00007fc77f0e341f RSI: 00007ffdcd8b9710 RDI: 0000000040000000 [ 72.746061] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcd8b9520 [ 72.746935] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc77f18bbf0 [ 72.747812] R13: 00007ffdcd8b9850 R14: 0000000000000000 R15: 00000000000000f8 [ 72.748709] [ 72.749009] irq event stamp: 8911 [ 72.749464] hardirqs last enabled at (8923): [] __up_console_sem+0x78/0x80 [ 72.750500] hardirqs last disabled at (8934): [] __up_console_sem+0x5d/0x80 [ 72.751551] softirqs last enabled at (8538): [] irq_exit_rcu+0x93/0xc0 [ 72.752565] softirqs last disabled at (8533): [] irq_exit_rcu+0x93/0xc0 [ 72.753571] ---[ end trace 0000000000000000 ]--- [ 72.758479] ------------[ cut here ]------------ [ 72.759050] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 72.760783] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.761834] Modules linked in: [ 72.762264] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 72.763394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.764411] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.765044] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 72.767189] RSP: 0018:ffff88801a7d7c00 EFLAGS: 00010282 [ 72.767844] RAX: 0000000000000000 RBX: ffff88800d5b6e40 RCX: 0000000000000000 [ 72.768728] RDX: ffff8880167351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 72.769601] RBP: ffff88800d5b6e54 R08: 0000000000000001 R09: 0000000000000000 [ 72.770472] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 72.771344] R13: ffffffff84e23fe0 R14: ffff88800d5b6e48 R15: ffffffff84da7d60 [ 72.772299] FS: 000055555689d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 72.773291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.773989] CR2: 00007f36f1d9a6f4 CR3: 00000000159a4000 CR4: 0000000000350ee0 [ 72.774865] Call Trace: [ 72.775216] [ 72.775518] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 72.776161] ipv6_frags_init_net+0x206/0x3c0 [ 72.776720] ops_init+0xbb/0x6b0 [ 72.777197] setup_net+0x3d9/0x990 [ 72.777651] ? down_read_killable+0x1d7/0x4e0 [ 72.778244] ? __pfx_setup_net+0x10/0x10 [ 72.778746] ? copy_net_ns+0x17c/0x770 [ 72.779283] copy_net_ns+0x321/0x770 [ 72.779773] create_new_namespaces+0x3f6/0xb30 [ 72.780384] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.780993] ksys_unshare+0x44d/0x8e0 [ 72.781512] ? __pfx_ksys_unshare+0x10/0x10 [ 72.782055] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.782790] __x64_sys_unshare+0x31/0x40 [ 72.783328] do_syscall_64+0x3f/0x90 [ 72.783830] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.784495] RIP: 0033:0x7fc77f0790d7 [ 72.784952] 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 [ 72.787098] RSP: 002b:00007ffdcd8b9778 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 72.788017] RAX: ffffffffffffffda RBX: 00007ffdcd8b9db8 RCX: 00007fc77f0790d7 [ 72.788886] RDX: 00007fc77f0e341f RSI: 00007ffdcd8b9710 RDI: 0000000040000000 [ 72.789758] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcd8b9520 [ 72.790654] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc77f18bbf0 [ 72.791543] R13: 00007ffdcd8b9850 R14: 0000000000000000 R15: 00000000000000f8 [ 72.792445] [ 72.792742] irq event stamp: 10515 [ 72.793240] hardirqs last enabled at (10527): [] __up_console_sem+0x78/0x80 [ 72.794332] hardirqs last disabled at (10538): [] __up_console_sem+0x5d/0x80 [ 72.795403] softirqs last enabled at (10464): [] irq_exit_rcu+0x93/0xc0 [ 72.796470] softirqs last disabled at (10459): [] irq_exit_rcu+0x93/0xc0 [ 72.797512] ---[ end trace 0000000000000000 ]--- [ 72.798828] ------------[ cut here ]------------ [ 72.799462] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 72.801394] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.802456] Modules linked in: [ 72.802867] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 72.804045] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.805052] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.805726] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 72.807889] RSP: 0018:ffff88801a7d7bf0 EFLAGS: 00010286 [ 72.808579] RAX: 0000000000000000 RBX: ffff88800d5b7440 RCX: 0000000000000000 [ 72.809475] RDX: ffff8880167351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 72.810374] RBP: ffff88800d5b7454 R08: 0000000000000001 R09: 0000000000000000 [ 72.811274] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 72.812196] R13: ffffffff84e23fe0 R14: ffff88800d5b7448 R15: ffffffff84db0aa0 [ 72.813061] FS: 000055555689d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 72.814058] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.814797] CR2: 00007f36f1d9a6f4 CR3: 00000000159a4000 CR4: 0000000000350ee0 [ 72.815734] Call Trace: [ 72.816066] [ 72.816404] nf_ct_net_init+0x224/0x3d0 [ 72.816918] ? __pfx_nf_ct_net_init+0x10/0x10 [ 72.817534] ops_init+0xbb/0x6b0 [ 72.818002] setup_net+0x3d9/0x990 [ 72.818490] ? down_read_killable+0x1d7/0x4e0 [ 72.819068] ? __pfx_setup_net+0x10/0x10 [ 72.819642] ? copy_net_ns+0x17c/0x770 [ 72.820192] copy_net_ns+0x321/0x770 [ 72.820689] create_new_namespaces+0x3f6/0xb30 [ 72.821318] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.821929] ksys_unshare+0x44d/0x8e0 [ 72.822431] ? __pfx_ksys_unshare+0x10/0x10 [ 72.822966] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.823704] __x64_sys_unshare+0x31/0x40 [ 72.824243] do_syscall_64+0x3f/0x90 [ 72.824711] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.825377] RIP: 0033:0x7fc77f0790d7 [ 72.825837] 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 [ 72.827984] RSP: 002b:00007ffdcd8b9778 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 72.828921] RAX: ffffffffffffffda RBX: 00007ffdcd8b9db8 RCX: 00007fc77f0790d7 [ 72.829803] RDX: 00007fc77f0e341f RSI: 00007ffdcd8b9710 RDI: 0000000040000000 [ 72.830691] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcd8b9520 [ 72.831592] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fc77f18bbf0 [ 72.832462] R13: 00007ffdcd8b9850 R14: 0000000000000000 R15: 00000000000000f8 [ 72.833368] [ 72.833663] irq event stamp: 11253 [ 72.834118] hardirqs last enabled at (11265): [] __up_console_sem+0x78/0x80 [ 72.835167] hardirqs last disabled at (11276): [] __up_console_sem+0x5d/0x80 [ 72.836240] softirqs last enabled at (10464): [] irq_exit_rcu+0x93/0xc0 [ 72.837273] softirqs last disabled at (10459): [] irq_exit_rcu+0x93/0xc0 [ 72.838290] ---[ end trace 0000000000000000 ]--- executing program [ 74.368733] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 76.416228] Bluetooth: hci0: command 0x041b tx timeout [ 78.465193] Bluetooth: hci0: command 0x040f tx timeout executing program [ 80.512144] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:40:59 Registers: info registers vcpu 0 RAX=00000000000222cb RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007f74caece1f0 CR3=00000000159aa000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=34386666666666666666203a33315200 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a7d75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 000055555689d400 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=00007f36f1d9a6f4 CR3=00000000159a4000 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