syzkaller login: [ 38.037953] sshd (226) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:24344' (ECDSA) to the list of known hosts. 2023/05/16 18:43:00 fuzzer started 2023/05/16 18:43:01 dialing manager at localhost:35573 2023/05/16 18:43:01 checking machine... 2023/05/16 18:43:01 checking revisions... [ 39.333911] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:43:01 testing simple program... [ 39.403826] cgroup: Unknown subsys name 'net' [ 39.494414] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.112816] audit: type=1400 audit(1684262594.308:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.239671] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.241221] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.244053] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.247291] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.250088] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.251211] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.656125] ------------[ cut here ]------------ [ 53.657389] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.659657] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.660857] Modules linked in: [ 53.661309] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.665764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.666945] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.667721] 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 [ 53.670152] RSP: 0018:ffff888016bffc00 EFLAGS: 00010282 [ 53.670926] RAX: 0000000000000000 RBX: ffff88800e8a4440 RCX: 0000000000000000 [ 53.671942] RDX: ffff8880168951c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.672950] RBP: ffff88800e8a4454 R08: 0000000000000001 R09: 0000000000000000 [ 53.673985] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.674985] R13: ffffffff84e223a0 R14: ffff88800e8a4448 R15: ffffffff84d73340 [ 53.676014] FS: 0000555555ad9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.677133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.677993] CR2: 00005559ee6e4080 CR3: 0000000015ee4000 CR4: 0000000000350ee0 [ 53.678905] Call Trace: [ 53.679247] [ 53.679574] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.680186] ipv4_frags_init_net+0x269/0x440 [ 53.680765] ops_init+0xbb/0x6b0 [ 53.681206] setup_net+0x3d9/0x990 [ 53.681698] ? down_read_killable+0x1d7/0x4e0 [ 53.682286] ? __pfx_setup_net+0x10/0x10 [ 53.682817] ? copy_net_ns+0x17c/0x770 [ 53.683355] copy_net_ns+0x321/0x770 [ 53.683885] create_new_namespaces+0x3f6/0xb30 [ 53.684493] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.685165] ksys_unshare+0x44d/0x8e0 [ 53.685681] ? __pfx_ksys_unshare+0x10/0x10 [ 53.686303] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.687148] __x64_sys_unshare+0x31/0x40 [ 53.687755] do_syscall_64+0x3f/0x90 [ 53.688285] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.689024] RIP: 0033:0x7fa7dd33d0d7 [ 53.689574] 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 [ 53.692060] RSP: 002b:00007ffd4e29aba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.693125] RAX: ffffffffffffffda RBX: 00007ffd4e29b1e8 RCX: 00007fa7dd33d0d7 [ 53.694155] RDX: 00007fa7dd3a741f RSI: 00007ffd4e29ab40 RDI: 0000000040000000 [ 53.695154] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4e29a950 [ 53.696162] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa7dd44fbf0 [ 53.697176] R13: 00007ffd4e29ac80 R14: 0000000000000000 R15: 00000000000000f8 [ 53.698230] [ 53.698602] irq event stamp: 9569 [ 53.699083] hardirqs last enabled at (9579): [] __up_console_sem+0x78/0x80 [ 53.700280] hardirqs last disabled at (9590): [] __up_console_sem+0x5d/0x80 [ 53.701473] softirqs last enabled at (9316): [] irq_exit_rcu+0x93/0xc0 [ 53.702675] softirqs last disabled at (9311): [] irq_exit_rcu+0x93/0xc0 [ 53.703841] ---[ end trace 0000000000000000 ]--- [ 53.709979] ------------[ cut here ]------------ [ 53.710683] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.712652] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.713866] Modules linked in: [ 53.714325] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.715634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.716787] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.717514] 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 [ 53.720027] RSP: 0018:ffff888016bffc00 EFLAGS: 00010282 [ 53.720800] RAX: 0000000000000000 RBX: ffff888015c2d240 RCX: 0000000000000000 [ 53.721824] RDX: ffff8880168951c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.722845] RBP: ffff888015c2d254 R08: 0000000000000001 R09: 0000000000000000 [ 53.723851] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.724856] R13: ffffffff84e223a0 R14: ffff888015c2d248 R15: ffffffff84da62e0 [ 53.725876] FS: 0000555555ad9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.727006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.727835] CR2: 00005559ee6e4080 CR3: 0000000015ee4000 CR4: 0000000000350ee0 [ 53.728841] Call Trace: [ 53.729207] [ 53.729577] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.730268] ipv6_frags_init_net+0x206/0x3c0 [ 53.730930] ops_init+0xbb/0x6b0 [ 53.731431] setup_net+0x3d9/0x990 [ 53.731971] ? down_read_killable+0x1d7/0x4e0 [ 53.732647] ? __pfx_setup_net+0x10/0x10 [ 53.733214] ? copy_net_ns+0x17c/0x770 [ 53.733837] copy_net_ns+0x321/0x770 [ 53.734372] create_new_namespaces+0x3f6/0xb30 [ 53.735067] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.735789] ksys_unshare+0x44d/0x8e0 [ 53.736341] ? __pfx_ksys_unshare+0x10/0x10 [ 53.736986] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.737827] __x64_sys_unshare+0x31/0x40 [ 53.738406] do_syscall_64+0x3f/0x90 [ 53.738971] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.739720] RIP: 0033:0x7fa7dd33d0d7 [ 53.740251] 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 [ 53.742699] RSP: 002b:00007ffd4e29aba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.743797] RAX: ffffffffffffffda RBX: 00007ffd4e29b1e8 RCX: 00007fa7dd33d0d7 [ 53.744876] RDX: 00007fa7dd3a741f RSI: 00007ffd4e29ab40 RDI: 0000000040000000 [ 53.745954] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4e29a950 [ 53.747019] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa7dd44fbf0 [ 53.748075] R13: 00007ffd4e29ac80 R14: 0000000000000000 R15: 00000000000000f8 [ 53.749165] [ 53.749525] irq event stamp: 11515 [ 53.750096] hardirqs last enabled at (11527): [] __up_console_sem+0x78/0x80 [ 53.751369] hardirqs last disabled at (11538): [] __up_console_sem+0x5d/0x80 [ 53.752638] softirqs last enabled at (11452): [] irq_exit_rcu+0x93/0xc0 [ 53.753889] softirqs last disabled at (11447): [] irq_exit_rcu+0x93/0xc0 [ 53.755123] ---[ end trace 0000000000000000 ]--- [ 53.756760] ------------[ cut here ]------------ [ 53.757451] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.759910] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.761164] Modules linked in: [ 53.761680] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.763064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.764274] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.765067] 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 [ 53.767959] RSP: 0018:ffff888016bffbf0 EFLAGS: 00010286 [ 53.768774] RAX: 0000000000000000 RBX: ffff88800f5a4440 RCX: 0000000000000000 [ 53.769904] RDX: ffff8880168951c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.770977] RBP: ffff88800f5a4454 R08: 0000000000000001 R09: 0000000000000000 [ 53.772037] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.773093] R13: ffffffff84e223a0 R14: ffff88800f5a4448 R15: ffffffff84daf020 [ 53.774172] FS: 0000555555ad9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.775361] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.776250] CR2: 00005559ee6e4080 CR3: 0000000015ee4000 CR4: 0000000000350ee0 [ 53.777308] Call Trace: [ 53.777726] [ 53.778114] nf_ct_net_init+0x224/0x3d0 [ 53.778761] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.779444] ops_init+0xbb/0x6b0 [ 53.779999] setup_net+0x3d9/0x990 [ 53.780570] ? down_read_killable+0x1d7/0x4e0 [ 53.781244] ? __pfx_setup_net+0x10/0x10 [ 53.781894] ? copy_net_ns+0x17c/0x770 [ 53.782498] copy_net_ns+0x321/0x770 [ 53.783101] create_new_namespaces+0x3f6/0xb30 [ 53.783837] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.784603] ksys_unshare+0x44d/0x8e0 [ 53.785195] ? __pfx_ksys_unshare+0x10/0x10 [ 53.785907] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.786788] __x64_sys_unshare+0x31/0x40 [ 53.787386] do_syscall_64+0x3f/0x90 [ 53.787920] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.788637] RIP: 0033:0x7fa7dd33d0d7 [ 53.789138] 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 [ 53.791524] RSP: 002b:00007ffd4e29aba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.792531] RAX: ffffffffffffffda RBX: 00007ffd4e29b1e8 RCX: 00007fa7dd33d0d7 [ 53.793494] RDX: 00007fa7dd3a741f RSI: 00007ffd4e29ab40 RDI: 0000000040000000 [ 53.794479] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd4e29a950 [ 53.795439] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa7dd44fbf0 [ 53.796427] R13: 00007ffd4e29ac80 R14: 0000000000000000 R15: 00000000000000f8 [ 53.797522] [ 53.797937] irq event stamp: 12333 [ 53.798459] hardirqs last enabled at (12343): [] __up_console_sem+0x78/0x80 [ 53.799745] hardirqs last disabled at (12354): [] __up_console_sem+0x5d/0x80 [ 53.801024] softirqs last enabled at (11818): [] irq_exit_rcu+0x93/0xc0 [ 53.802283] softirqs last disabled at (11797): [] irq_exit_rcu+0x93/0xc0 [ 53.803529] ---[ end trace 0000000000000000 ]--- executing program [ 55.264289] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.312342] Bluetooth: hci0: command 0x041b tx timeout [ 59.360860] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.407943] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:43:13 Registers: info registers vcpu 0 RAX=000000000001ff8f RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007f7f2d9d4020 CR3=000000000da1a000 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=0000000000000000000000ff000000ff XMM02=0000000000000000000000ff000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=302e38322020205b3e343c0030653200 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=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016bff5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555ad9400 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=00005559ee6e4080 CR3=0000000015ee4000 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