syzkaller login: [ 37.558269] sshd (223) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:57900' (ECDSA) to the list of known hosts. 2023/05/17 00:51:54 fuzzer started 2023/05/17 00:51:54 dialing manager at localhost:35573 2023/05/17 00:51:54 checking machine... 2023/05/17 00:51:54 checking revisions... [ 38.810036] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:51:55 testing simple program... [ 38.878265] cgroup: Unknown subsys name 'net' [ 38.953447] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.198232] audit: type=1400 audit(1684284727.387:6): avc: denied { execmem } for pid=255 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.334104] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.335608] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.337569] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.341476] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.343510] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.344710] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.780456] ------------[ cut here ]------------ [ 52.781122] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.783095] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.784264] Modules linked in: [ 52.784703] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.791161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.792703] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.793698] 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 [ 52.796523] RSP: 0018:ffff88801a437c00 EFLAGS: 00010282 [ 52.797421] RAX: 0000000000000000 RBX: ffff88800cc70840 RCX: 0000000000000000 [ 52.798642] RDX: ffff8880147a51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.799838] RBP: ffff88800cc70854 R08: 0000000000000001 R09: 0000000000000000 [ 52.801089] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.802275] R13: ffffffff84e223a0 R14: ffff88800cc70848 R15: ffffffff84d73340 [ 52.803452] FS: 0000555557395400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.804806] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.805776] CR2: 00007f76dc75d6f4 CR3: 0000000015b32000 CR4: 0000000000350ef0 [ 52.806992] Call Trace: [ 52.807426] [ 52.807832] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.808677] ipv4_frags_init_net+0x269/0x440 [ 52.809450] ops_init+0xbb/0x6b0 [ 52.810115] setup_net+0x3d9/0x990 [ 52.810718] ? down_read_killable+0x1d7/0x4e0 [ 52.811516] ? __pfx_setup_net+0x10/0x10 [ 52.812238] ? copy_net_ns+0x17c/0x770 [ 52.812966] copy_net_ns+0x321/0x770 [ 52.813585] create_new_namespaces+0x3f6/0xb30 [ 52.814446] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.815357] ksys_unshare+0x44d/0x8e0 [ 52.816079] ? __pfx_ksys_unshare+0x10/0x10 [ 52.816788] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.817798] __x64_sys_unshare+0x31/0x40 [ 52.818628] do_syscall_64+0x3f/0x90 [ 52.819323] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.820228] RIP: 0033:0x7fbc0bf4b0d7 [ 52.820836] 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 [ 52.823722] RSP: 002b:00007ffdab437708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.824986] RAX: ffffffffffffffda RBX: 00007ffdab437d48 RCX: 00007fbc0bf4b0d7 [ 52.826164] RDX: 00007fbc0bfb541f RSI: 00007ffdab4376a0 RDI: 0000000040000000 [ 52.827177] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdab4374b0 [ 52.828083] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbc0c05dbf0 [ 52.828979] R13: 00007ffdab4377e0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.829885] [ 52.830187] irq event stamp: 8479 [ 52.830638] hardirqs last enabled at (8489): [] __up_console_sem+0x78/0x80 [ 52.831720] hardirqs last disabled at (8500): [] __up_console_sem+0x5d/0x80 [ 52.832785] softirqs last enabled at (8304): [] irq_exit_rcu+0x93/0xc0 [ 52.833807] softirqs last disabled at (8299): [] irq_exit_rcu+0x93/0xc0 [ 52.834876] ---[ end trace 0000000000000000 ]--- [ 52.843526] ------------[ cut here ]------------ [ 52.844207] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.845879] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.846966] Modules linked in: [ 52.847380] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.848531] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.849555] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.850233] 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 [ 52.852553] RSP: 0018:ffff88801a437c00 EFLAGS: 00010282 [ 52.853252] RAX: 0000000000000000 RBX: ffff88800e56c240 RCX: 0000000000000000 [ 52.854163] RDX: ffff8880147a51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.855066] RBP: ffff88800e56c254 R08: 0000000000000001 R09: 0000000000000000 [ 52.855988] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.856901] R13: ffffffff84e223a0 R14: ffff88800e56c248 R15: ffffffff84da62e0 [ 52.857788] FS: 0000555557395400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.858822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.859580] CR2: 00007f76dc75d6f4 CR3: 0000000015b32000 CR4: 0000000000350ef0 [ 52.860478] Call Trace: [ 52.860806] [ 52.861141] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.861759] ipv6_frags_init_net+0x206/0x3c0 [ 52.862348] ops_init+0xbb/0x6b0 [ 52.862809] setup_net+0x3d9/0x990 [ 52.863302] ? down_read_killable+0x1d7/0x4e0 [ 52.863932] ? __pfx_setup_net+0x10/0x10 [ 52.864451] ? copy_net_ns+0x17c/0x770 [ 52.864989] copy_net_ns+0x321/0x770 [ 52.865475] create_new_namespaces+0x3f6/0xb30 [ 52.866093] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.866721] ksys_unshare+0x44d/0x8e0 [ 52.867251] ? __pfx_ksys_unshare+0x10/0x10 [ 52.867809] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.868561] __x64_sys_unshare+0x31/0x40 [ 52.869109] do_syscall_64+0x3f/0x90 [ 52.869642] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.870344] RIP: 0033:0x7fbc0bf4b0d7 [ 52.870881] 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 [ 52.873120] RSP: 002b:00007ffdab437708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.874072] RAX: ffffffffffffffda RBX: 00007ffdab437d48 RCX: 00007fbc0bf4b0d7 [ 52.875006] RDX: 00007fbc0bfb541f RSI: 00007ffdab4376a0 RDI: 0000000040000000 [ 52.875905] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdab4374b0 [ 52.876769] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbc0c05dbf0 [ 52.877663] R13: 00007ffdab4377e0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.878614] [ 52.878958] irq event stamp: 11267 [ 52.879397] hardirqs last enabled at (11277): [] __up_console_sem+0x78/0x80 [ 52.880505] hardirqs last disabled at (11288): [] __up_console_sem+0x5d/0x80 [ 52.881622] softirqs last enabled at (10774): [] irq_exit_rcu+0x93/0xc0 [ 52.882714] softirqs last disabled at (10763): [] irq_exit_rcu+0x93/0xc0 [ 52.883765] ---[ end trace 0000000000000000 ]--- [ 52.885224] ------------[ cut here ]------------ [ 52.885812] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.887769] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.888868] Modules linked in: [ 52.889282] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.890463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.891506] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.892182] 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 [ 52.894428] RSP: 0018:ffff88801a437bf0 EFLAGS: 00010286 [ 52.895139] RAX: 0000000000000000 RBX: ffff888008d5e440 RCX: 0000000000000000 [ 52.896055] RDX: ffff8880147a51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.896962] RBP: ffff888008d5e454 R08: 0000000000000001 R09: 0000000000000000 [ 52.897834] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.898779] R13: ffffffff84e223a0 R14: ffff888008d5e448 R15: ffffffff84daf020 [ 52.899684] FS: 0000555557395400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.900685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.901426] CR2: 00007f76dc75d6f4 CR3: 0000000015b32000 CR4: 0000000000350ef0 [ 52.902319] Call Trace: [ 52.902661] [ 52.902998] nf_ct_net_init+0x224/0x3d0 [ 52.903515] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.904114] ops_init+0xbb/0x6b0 [ 52.904562] setup_net+0x3d9/0x990 [ 52.905049] ? down_read_killable+0x1d7/0x4e0 [ 52.905618] ? __pfx_setup_net+0x10/0x10 [ 52.906155] ? copy_net_ns+0x17c/0x770 [ 52.906669] copy_net_ns+0x321/0x770 [ 52.907182] create_new_namespaces+0x3f6/0xb30 [ 52.907767] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.908414] ksys_unshare+0x44d/0x8e0 [ 52.908945] ? __pfx_ksys_unshare+0x10/0x10 [ 52.909495] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.910256] __x64_sys_unshare+0x31/0x40 [ 52.910794] do_syscall_64+0x3f/0x90 [ 52.911308] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.911980] RIP: 0033:0x7fbc0bf4b0d7 [ 52.912447] 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 [ 52.914658] RSP: 002b:00007ffdab437708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.915614] RAX: ffffffffffffffda RBX: 00007ffdab437d48 RCX: 00007fbc0bf4b0d7 [ 52.916511] RDX: 00007fbc0bfb541f RSI: 00007ffdab4376a0 RDI: 0000000040000000 [ 52.917411] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdab4374b0 [ 52.918305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fbc0c05dbf0 [ 52.919211] R13: 00007ffdab4377e0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.920132] [ 52.920434] irq event stamp: 12045 [ 52.920903] hardirqs last enabled at (12057): [] __up_console_sem+0x78/0x80 [ 52.921966] hardirqs last disabled at (12068): [] __up_console_sem+0x5d/0x80 [ 52.923077] softirqs last enabled at (11896): [] irq_exit_rcu+0x93/0xc0 [ 52.924120] softirqs last disabled at (11891): [] irq_exit_rcu+0x93/0xc0 [ 52.925168] ---[ end trace 0000000000000000 ]--- executing program [ 54.416024] Bluetooth: hci0: command 0x0409 tx timeout [ 56.462929] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.510950] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.558932] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:52:06 Registers: info registers vcpu 0 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a4375f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 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 0000555557395400 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=00007f76dc75d6f4 CR3=0000000015b32000 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=00000000000339d7 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007fe4eee6d720 CR3=00000000164e6000 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=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