syzkaller login: [ 50.989790] sshd (226) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:26809' (ECDSA) to the list of known hosts. 2023/05/16 13:26:25 fuzzer started 2023/05/16 13:26:25 dialing manager at localhost:35573 2023/05/16 13:26:25 checking machine... 2023/05/16 13:26:25 checking revisions... [ 52.169257] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:26:25 testing simple program... [ 52.238048] cgroup: Unknown subsys name 'net' [ 52.296988] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 64.286476] audit: type=1400 audit(1684243597.816:6): 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 [ 65.371535] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.373243] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 65.374400] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 65.377038] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.378513] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 65.379889] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 65.786666] ------------[ cut here ]------------ [ 65.787318] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 65.789018] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.790128] Modules linked in: [ 65.790593] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.796126] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.797286] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.798077] 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 [ 65.800346] RSP: 0018:ffff88801f22fc00 EFLAGS: 00010282 [ 65.801157] RAX: 0000000000000000 RBX: ffff888016626840 RCX: 0000000000000000 [ 65.802219] RDX: ffff888015969b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.803186] RBP: ffff888016626854 R08: 0000000000000001 R09: 0000000000000000 [ 65.804162] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.805053] R13: ffffffff84e223a0 R14: ffff888016626848 R15: ffffffff84d73340 [ 65.805974] FS: 000055555568f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 65.806973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.807701] CR2: 00007f65742ef6f4 CR3: 000000000ef32000 CR4: 0000000000350ee0 [ 65.808586] Call Trace: [ 65.808920] [ 65.809235] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 65.809896] ipv4_frags_init_net+0x269/0x440 [ 65.810477] ops_init+0xbb/0x6b0 [ 65.810961] setup_net+0x3d9/0x990 [ 65.811432] ? down_read_killable+0x1d7/0x4e0 [ 65.812049] ? __pfx_setup_net+0x10/0x10 [ 65.812594] ? copy_net_ns+0x17c/0x770 [ 65.813149] copy_net_ns+0x321/0x770 [ 65.813676] create_new_namespaces+0x3f6/0xb30 [ 65.814278] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.814941] ksys_unshare+0x44d/0x8e0 [ 65.815456] ? __pfx_ksys_unshare+0x10/0x10 [ 65.816049] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.816827] __x64_sys_unshare+0x31/0x40 [ 65.817377] do_syscall_64+0x3f/0x90 [ 65.817897] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.818586] RIP: 0033:0x7f9f060be0d7 [ 65.819074] 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 [ 65.821359] RSP: 002b:00007ffc7dae77b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.822309] RAX: ffffffffffffffda RBX: 00007ffc7dae7df8 RCX: 00007f9f060be0d7 [ 65.823194] RDX: 00007f9f0612841f RSI: 00007ffc7dae7750 RDI: 0000000040000000 [ 65.824075] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7dae7560 [ 65.824990] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9f061d0bf0 [ 65.825912] R13: 00007ffc7dae7890 R14: 0000000000000000 R15: 00000000000000f8 [ 65.826820] [ 65.827118] irq event stamp: 9749 [ 65.827543] hardirqs last enabled at (9759): [] __up_console_sem+0x78/0x80 [ 65.828625] hardirqs last disabled at (9772): [] __up_console_sem+0x5d/0x80 [ 65.829749] softirqs last enabled at (9386): [] irq_exit_rcu+0x93/0xc0 [ 65.830813] softirqs last disabled at (9381): [] irq_exit_rcu+0x93/0xc0 [ 65.831870] ---[ end trace 0000000000000000 ]--- [ 65.836931] ------------[ cut here ]------------ [ 65.837529] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 65.839394] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.840447] Modules linked in: [ 65.840880] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.842044] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.843070] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.843751] 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 [ 65.845970] RSP: 0018:ffff88801f22fc00 EFLAGS: 00010282 [ 65.846644] RAX: 0000000000000000 RBX: ffff888013a5aa40 RCX: 0000000000000000 [ 65.847516] RDX: ffff888015969b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.848415] RBP: ffff888013a5aa54 R08: 0000000000000001 R09: 0000000000000000 [ 65.849323] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.850219] R13: ffffffff84e223a0 R14: ffff888013a5aa48 R15: ffffffff84da62e0 [ 65.851108] FS: 000055555568f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 65.852099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.852830] CR2: 00007f65742ef6f4 CR3: 000000000ef32000 CR4: 0000000000350ee0 [ 65.853740] Call Trace: [ 65.854064] [ 65.854361] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 65.854995] ipv6_frags_init_net+0x206/0x3c0 [ 65.855588] ops_init+0xbb/0x6b0 [ 65.856030] setup_net+0x3d9/0x990 [ 65.856478] ? down_read_killable+0x1d7/0x4e0 [ 65.857066] ? __pfx_setup_net+0x10/0x10 [ 65.857629] ? copy_net_ns+0x17c/0x770 [ 65.858136] copy_net_ns+0x321/0x770 [ 65.858644] create_new_namespaces+0x3f6/0xb30 [ 65.859241] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.859882] ksys_unshare+0x44d/0x8e0 [ 65.860369] ? __pfx_ksys_unshare+0x10/0x10 [ 65.860942] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.861707] __x64_sys_unshare+0x31/0x40 [ 65.862231] do_syscall_64+0x3f/0x90 [ 65.862733] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.863364] RIP: 0033:0x7f9f060be0d7 [ 65.863861] 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 [ 65.866050] RSP: 002b:00007ffc7dae77b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.866991] RAX: ffffffffffffffda RBX: 00007ffc7dae7df8 RCX: 00007f9f060be0d7 [ 65.867903] RDX: 00007f9f0612841f RSI: 00007ffc7dae7750 RDI: 0000000040000000 [ 65.868792] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7dae7560 [ 65.869738] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9f061d0bf0 [ 65.870647] R13: 00007ffc7dae7890 R14: 0000000000000000 R15: 00000000000000f8 [ 65.871517] [ 65.871843] irq event stamp: 11411 [ 65.872269] hardirqs last enabled at (11421): [] __up_console_sem+0x78/0x80 [ 65.873336] hardirqs last disabled at (11432): [] __up_console_sem+0x5d/0x80 [ 65.874397] softirqs last enabled at (11348): [] irq_exit_rcu+0x93/0xc0 [ 65.875433] softirqs last disabled at (11337): [] irq_exit_rcu+0x93/0xc0 [ 65.876493] ---[ end trace 0000000000000000 ]--- [ 65.877866] ------------[ cut here ]------------ [ 65.878444] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 65.880304] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 65.881365] Modules linked in: [ 65.881796] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 65.882939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 65.883939] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 65.884603] 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 [ 65.886759] RSP: 0018:ffff88801f22fbf0 EFLAGS: 00010286 [ 65.887399] RAX: 0000000000000000 RBX: ffff88800d7fce40 RCX: 0000000000000000 [ 65.888276] RDX: ffff888015969b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 65.889199] RBP: ffff88800d7fce54 R08: 0000000000000001 R09: 0000000000000000 [ 65.890104] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 65.890983] R13: ffffffff84e223a0 R14: ffff88800d7fce48 R15: ffffffff84daf020 [ 65.891871] FS: 000055555568f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 65.892859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.893605] CR2: 00007f65742ef6f4 CR3: 000000000ef32000 CR4: 0000000000350ee0 [ 65.894454] Call Trace: [ 65.894801] [ 65.895103] nf_ct_net_init+0x224/0x3d0 [ 65.895639] ? __pfx_nf_ct_net_init+0x10/0x10 [ 65.896210] ops_init+0xbb/0x6b0 [ 65.896675] setup_net+0x3d9/0x990 [ 65.897148] ? down_read_killable+0x1d7/0x4e0 [ 65.897750] ? __pfx_setup_net+0x10/0x10 [ 65.898253] ? copy_net_ns+0x17c/0x770 [ 65.898784] copy_net_ns+0x321/0x770 [ 65.899264] create_new_namespaces+0x3f6/0xb30 [ 65.899889] unshare_nsproxy_namespaces+0xc1/0x200 [ 65.900529] ksys_unshare+0x44d/0x8e0 [ 65.901048] ? __pfx_ksys_unshare+0x10/0x10 [ 65.901626] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 65.902337] __x64_sys_unshare+0x31/0x40 [ 65.902883] do_syscall_64+0x3f/0x90 [ 65.903354] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 65.904028] RIP: 0033:0x7f9f060be0d7 [ 65.904495] 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 [ 65.906676] RSP: 002b:00007ffc7dae77b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 65.907636] RAX: ffffffffffffffda RBX: 00007ffc7dae7df8 RCX: 00007f9f060be0d7 [ 65.908486] RDX: 00007f9f0612841f RSI: 00007ffc7dae7750 RDI: 0000000040000000 [ 65.909387] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7dae7560 [ 65.910262] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9f061d0bf0 [ 65.911143] R13: 00007ffc7dae7890 R14: 0000000000000000 R15: 00000000000000f8 [ 65.912048] [ 65.912353] irq event stamp: 12173 [ 65.912816] hardirqs last enabled at (12185): [] __up_console_sem+0x78/0x80 [ 65.913898] hardirqs last disabled at (12196): [] __up_console_sem+0x5d/0x80 [ 65.914960] softirqs last enabled at (11348): [] irq_exit_rcu+0x93/0xc0 [ 65.916005] softirqs last disabled at (11337): [] irq_exit_rcu+0x93/0xc0 [ 65.917043] ---[ end trace 0000000000000000 ]--- executing program [ 67.452364] Bluetooth: hci0: command 0x0409 tx timeout [ 69.499623] Bluetooth: hci0: command 0x041b tx timeout executing program [ 71.547695] Bluetooth: hci0: command 0x040f tx timeout executing program [ 73.595643] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:26:24 Registers: info registers vcpu 0 RAX=0000000000023fbf 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=00007f0d3e5d8020 CR3=000000000e6b6000 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=31d22cf1ce9ea2930243bfd53f027946 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a4ee2813f1e2fdd0000000000013bed0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=12595ce4dbbe271a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 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=ffff88801f22f5f0 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 000055555568f400 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=00007f65742ef6f4 CR3=000000000ef32000 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