syzkaller login: [ 33.527375] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:39257' (ECDSA) to the list of known hosts. 2023/05/17 23:12:51 fuzzer started 2023/05/17 23:12:51 dialing manager at localhost:44319 2023/05/17 23:12:51 checking machine... 2023/05/17 23:12:51 checking revisions... [ 35.488450] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:12:51 testing simple program... [ 35.559906] cgroup: Unknown subsys name 'net' [ 35.634209] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.986204] audit: type=1400 audit(1684365184.354:6): 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 [ 49.125614] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.128843] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.130692] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.134605] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.136172] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.138220] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.568003] ------------[ cut here ]------------ [ 49.569071] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.571136] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.572206] Modules linked in: [ 49.572678] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.577648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.578739] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.579424] 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 [ 49.581610] RSP: 0018:ffff88801cfbfc00 EFLAGS: 00010282 [ 49.582296] RAX: 0000000000000000 RBX: ffff88800c639040 RCX: 0000000000000000 [ 49.583159] RDX: ffff888015bf3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.584050] RBP: ffff88800c639054 R08: 0000000000000001 R09: 0000000000000000 [ 49.584973] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.585866] R13: ffffffff84e23fe0 R14: ffff88800c639048 R15: ffffffff84d74dc0 [ 49.586765] FS: 00005555569c6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.587766] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.588511] CR2: 00007f10871086f4 CR3: 0000000015b6a000 CR4: 0000000000350ee0 [ 49.589430] Call Trace: [ 49.589765] [ 49.590066] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.590720] ipv4_frags_init_net+0x269/0x440 [ 49.591311] ops_init+0xbb/0x6b0 [ 49.591768] setup_net+0x3d9/0x990 [ 49.592223] ? down_read_killable+0x1d7/0x4e0 [ 49.592854] ? __pfx_setup_net+0x10/0x10 [ 49.593407] ? copy_net_ns+0x17c/0x770 [ 49.593920] copy_net_ns+0x321/0x770 [ 49.594431] create_new_namespaces+0x3f6/0xb30 [ 49.595012] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.595660] ksys_unshare+0x44d/0x8e0 [ 49.596150] ? __pfx_ksys_unshare+0x10/0x10 [ 49.596735] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.597467] __x64_sys_unshare+0x31/0x40 [ 49.597980] do_syscall_64+0x3f/0x90 [ 49.598489] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.599130] RIP: 0033:0x7f429104b0d7 [ 49.599619] 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 [ 49.601827] RSP: 002b:00007fff0d4cb8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.602782] RAX: ffffffffffffffda RBX: 00007fff0d4cbf38 RCX: 00007f429104b0d7 [ 49.603666] RDX: 00007f42910b541f RSI: 00007fff0d4cb890 RDI: 0000000040000000 [ 49.604585] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d4cb6a0 [ 49.605480] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f429115dbf0 [ 49.606391] R13: 00007fff0d4cb9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.607309] [ 49.607621] irq event stamp: 9821 [ 49.608052] hardirqs last enabled at (9831): [] __up_console_sem+0x78/0x80 [ 49.609135] hardirqs last disabled at (9842): [] __up_console_sem+0x5d/0x80 [ 49.610197] softirqs last enabled at (9368): [] irq_exit_rcu+0x93/0xc0 [ 49.611246] softirqs last disabled at (9345): [] irq_exit_rcu+0x93/0xc0 [ 49.612307] ---[ end trace 0000000000000000 ]--- [ 49.617468] ------------[ cut here ]------------ [ 49.618069] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.619817] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.620901] Modules linked in: [ 49.621339] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.622487] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.623510] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.624161] 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 [ 49.626329] RSP: 0018:ffff88801cfbfc00 EFLAGS: 00010282 [ 49.626980] RAX: 0000000000000000 RBX: ffff888014599a40 RCX: 0000000000000000 [ 49.627879] RDX: ffff888015bf3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.628794] RBP: ffff888014599a54 R08: 0000000000000001 R09: 0000000000000000 [ 49.629687] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.630593] R13: ffffffff84e23fe0 R14: ffff888014599a48 R15: ffffffff84da7d60 [ 49.631485] FS: 00005555569c6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.632475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.633204] CR2: 00007f10871086f4 CR3: 0000000015b6a000 CR4: 0000000000350ee0 [ 49.634221] Call Trace: [ 49.634708] [ 49.635114] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.635992] ipv6_frags_init_net+0x206/0x3c0 [ 49.636770] ops_init+0xbb/0x6b0 [ 49.637232] setup_net+0x3d9/0x990 [ 49.637725] ? down_read_killable+0x1d7/0x4e0 [ 49.638356] ? __pfx_setup_net+0x10/0x10 [ 49.638886] ? copy_net_ns+0x17c/0x770 [ 49.639431] copy_net_ns+0x321/0x770 [ 49.639949] create_new_namespaces+0x3f6/0xb30 [ 49.640580] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.641332] ksys_unshare+0x44d/0x8e0 [ 49.641822] ? __pfx_ksys_unshare+0x10/0x10 [ 49.642402] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.643112] __x64_sys_unshare+0x31/0x40 [ 49.643663] do_syscall_64+0x3f/0x90 [ 49.644138] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.644821] RIP: 0033:0x7f429104b0d7 [ 49.645317] 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 [ 49.647505] RSP: 002b:00007fff0d4cb8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.648451] RAX: ffffffffffffffda RBX: 00007fff0d4cbf38 RCX: 00007f429104b0d7 [ 49.649382] RDX: 00007f42910b541f RSI: 00007fff0d4cb890 RDI: 0000000040000000 [ 49.650243] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d4cb6a0 [ 49.651137] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f429115dbf0 [ 49.652026] R13: 00007fff0d4cb9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.652938] [ 49.653243] irq event stamp: 11455 [ 49.653707] hardirqs last enabled at (11467): [] __up_console_sem+0x78/0x80 [ 49.654765] hardirqs last disabled at (11478): [] __up_console_sem+0x5d/0x80 [ 49.655860] softirqs last enabled at (10952): [] irq_exit_rcu+0x93/0xc0 [ 49.656989] softirqs last disabled at (10929): [] irq_exit_rcu+0x93/0xc0 [ 49.658071] ---[ end trace 0000000000000000 ]--- [ 49.661249] ------------[ cut here ]------------ [ 49.661904] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.663807] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.664934] Modules linked in: [ 49.665375] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.666546] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.667578] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.668245] 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 [ 49.670475] RSP: 0018:ffff88801cfbfbf0 EFLAGS: 00010286 [ 49.671124] RAX: 0000000000000000 RBX: ffff88800efb8640 RCX: 0000000000000000 [ 49.672032] RDX: ffff888015bf3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.672928] RBP: ffff88800efb8654 R08: 0000000000000001 R09: 0000000000000000 [ 49.673831] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.674778] R13: ffffffff84e23fe0 R14: ffff88800efb8648 R15: ffffffff84db0aa0 [ 49.675696] FS: 00005555569c6400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.676701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.677455] CR2: 00007f10871086f4 CR3: 0000000015b6a000 CR4: 0000000000350ee0 [ 49.678341] Call Trace: [ 49.678669] [ 49.678970] nf_ct_net_init+0x224/0x3d0 [ 49.679531] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.680111] ops_init+0xbb/0x6b0 [ 49.680612] setup_net+0x3d9/0x990 [ 49.681069] ? down_read_killable+0x1d7/0x4e0 [ 49.681677] ? __pfx_setup_net+0x10/0x10 [ 49.682185] ? copy_net_ns+0x17c/0x770 [ 49.682729] copy_net_ns+0x321/0x770 [ 49.683221] create_new_namespaces+0x3f6/0xb30 [ 49.683840] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.684495] ksys_unshare+0x44d/0x8e0 [ 49.684991] ? __pfx_ksys_unshare+0x10/0x10 [ 49.685562] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.686296] __x64_sys_unshare+0x31/0x40 [ 49.686838] do_syscall_64+0x3f/0x90 [ 49.687359] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.688012] RIP: 0033:0x7f429104b0d7 [ 49.688514] 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 [ 49.690736] RSP: 002b:00007fff0d4cb8f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.691694] RAX: ffffffffffffffda RBX: 00007fff0d4cbf38 RCX: 00007f429104b0d7 [ 49.692601] RDX: 00007f42910b541f RSI: 00007fff0d4cb890 RDI: 0000000040000000 [ 49.693495] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d4cb6a0 [ 49.694388] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f429115dbf0 [ 49.695247] R13: 00007fff0d4cb9d0 R14: 0000000000000000 R15: 00000000000000f8 [ 49.696178] [ 49.696512] irq event stamp: 13877 [ 49.696970] hardirqs last enabled at (13887): [] __up_console_sem+0x78/0x80 [ 49.698036] hardirqs last disabled at (13898): [] __up_console_sem+0x5d/0x80 [ 49.699098] softirqs last enabled at (13538): [] irq_exit_rcu+0x93/0xc0 [ 49.700134] softirqs last disabled at (13533): [] irq_exit_rcu+0x93/0xc0 [ 49.701180] ---[ end trace 0000000000000000 ]--- executing program [ 51.203945] Bluetooth: hci0: command 0x0409 tx timeout [ 53.251373] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.299380] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.347371] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:13:05 Registers: info registers vcpu 0 RAX=000000000002732b 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=00000206 [-----P-] 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=00007f1908447100 CR3=000000000f674000 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=203a4944522032646131373131386600 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801cfbf5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 00005555569c6400 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=00007f10871086f4 CR3=0000000015b6a000 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