syzkaller login: [ 42.817243] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:34927' (ECDSA) to the list of known hosts. 2023/05/17 02:55:39 fuzzer started 2023/05/17 02:55:40 dialing manager at localhost:35573 2023/05/17 02:55:40 checking machine... 2023/05/17 02:55:40 checking revisions... [ 44.076968] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:55:40 testing simple program... [ 44.148385] cgroup: Unknown subsys name 'net' [ 44.236468] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.719064] audit: type=1400 audit(1684292152.893:6): 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 [ 57.839236] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.842025] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.846567] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.850393] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.852547] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.853811] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.293911] ------------[ cut here ]------------ [ 58.294732] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.296608] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.297915] Modules linked in: [ 58.301054] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.304464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.305682] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.306530] 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 [ 58.309068] RSP: 0018:ffff88801674fc00 EFLAGS: 00010282 [ 58.309835] RAX: 0000000000000000 RBX: ffff88800948bc40 RCX: 0000000000000000 [ 58.310910] RDX: ffff888015c91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.311952] RBP: ffff88800948bc54 R08: 0000000000000001 R09: 0000000000000000 [ 58.312982] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.314066] R13: ffffffff84e223a0 R14: ffff88800948bc48 R15: ffffffff84d73340 [ 58.315176] FS: 0000555555960400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.316205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.316896] CR2: 00007f6f164486f4 CR3: 000000000c5fc000 CR4: 0000000000350ee0 [ 58.317766] Call Trace: [ 58.318115] [ 58.318429] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.319064] ipv4_frags_init_net+0x269/0x440 [ 58.319619] ops_init+0xbb/0x6b0 [ 58.320089] setup_net+0x3d9/0x990 [ 58.320543] ? down_read_killable+0x1d7/0x4e0 [ 58.321136] ? __pfx_setup_net+0x10/0x10 [ 58.321639] ? copy_net_ns+0x17c/0x770 [ 58.322168] copy_net_ns+0x321/0x770 [ 58.322652] create_new_namespaces+0x3f6/0xb30 [ 58.323250] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.323851] ksys_unshare+0x44d/0x8e0 [ 58.324368] ? __pfx_ksys_unshare+0x10/0x10 [ 58.324904] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.325628] __x64_sys_unshare+0x31/0x40 [ 58.326163] do_syscall_64+0x3f/0x90 [ 58.326642] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.327297] RIP: 0033:0x7f28378b50d7 [ 58.327758] 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 [ 58.329865] RSP: 002b:00007fff798e1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.330801] RAX: ffffffffffffffda RBX: 00007fff798e2088 RCX: 00007f28378b50d7 [ 58.331683] RDX: 00007f283791f41f RSI: 00007fff798e19e0 RDI: 0000000040000000 [ 58.332557] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff798e17f0 [ 58.333424] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f28379c7bf0 [ 58.334316] R13: 00007fff798e1b20 R14: 0000000000000000 R15: 00000000000000f8 [ 58.335216] [ 58.335513] irq event stamp: 9527 [ 58.335962] hardirqs last enabled at (9539): [] __up_console_sem+0x78/0x80 [ 58.337017] hardirqs last disabled at (9550): [] __up_console_sem+0x5d/0x80 [ 58.338055] softirqs last enabled at (9434): [] irq_exit_rcu+0x93/0xc0 [ 58.339078] softirqs last disabled at (9425): [] irq_exit_rcu+0x93/0xc0 [ 58.340077] ---[ end trace 0000000000000000 ]--- [ 58.345105] ------------[ cut here ]------------ [ 58.345677] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.347340] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.348394] Modules linked in: [ 58.348796] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.349949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.350968] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.351610] 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 [ 58.353759] RSP: 0018:ffff88801674fc00 EFLAGS: 00010282 [ 58.354443] RAX: 0000000000000000 RBX: ffff88800d855a40 RCX: 0000000000000000 [ 58.355319] RDX: ffff888015c91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.356192] RBP: ffff88800d855a54 R08: 0000000000000001 R09: 0000000000000000 [ 58.357067] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.357910] R13: ffffffff84e223a0 R14: ffff88800d855a48 R15: ffffffff84da62e0 [ 58.358785] FS: 0000555555960400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.359752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.360481] CR2: 00007f6f164486f4 CR3: 000000000c5fc000 CR4: 0000000000350ee0 [ 58.361367] Call Trace: [ 58.361689] [ 58.362019] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.362636] ipv6_frags_init_net+0x206/0x3c0 [ 58.363221] ops_init+0xbb/0x6b0 [ 58.363671] setup_net+0x3d9/0x990 [ 58.364146] ? down_read_killable+0x1d7/0x4e0 [ 58.364706] ? __pfx_setup_net+0x10/0x10 [ 58.365233] ? copy_net_ns+0x17c/0x770 [ 58.365730] copy_net_ns+0x321/0x770 [ 58.366232] create_new_namespaces+0x3f6/0xb30 [ 58.366829] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.367467] ksys_unshare+0x44d/0x8e0 [ 58.368002] ? __pfx_ksys_unshare+0x10/0x10 [ 58.368541] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.369268] __x64_sys_unshare+0x31/0x40 [ 58.369773] do_syscall_64+0x3f/0x90 [ 58.370267] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.370952] RIP: 0033:0x7f28378b50d7 [ 58.371415] 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 [ 58.373532] RSP: 002b:00007fff798e1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.374469] RAX: ffffffffffffffda RBX: 00007fff798e2088 RCX: 00007f28378b50d7 [ 58.375339] RDX: 00007f283791f41f RSI: 00007fff798e19e0 RDI: 0000000040000000 [ 58.376214] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff798e17f0 [ 58.377085] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f28379c7bf0 [ 58.377954] R13: 00007fff798e1b20 R14: 0000000000000000 R15: 00000000000000f8 [ 58.378828] [ 58.379153] irq event stamp: 11203 [ 58.379581] hardirqs last enabled at (11213): [] __up_console_sem+0x78/0x80 [ 58.380766] hardirqs last disabled at (11224): [] __up_console_sem+0x5d/0x80 [ 58.381845] softirqs last enabled at (10754): [] irq_exit_rcu+0x93/0xc0 [ 58.382908] softirqs last disabled at (10749): [] irq_exit_rcu+0x93/0xc0 [ 58.383958] ---[ end trace 0000000000000000 ]--- [ 58.385336] ------------[ cut here ]------------ [ 58.386010] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.387879] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.388986] Modules linked in: [ 58.389397] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.390587] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.391608] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.392285] 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 [ 58.394466] RSP: 0018:ffff88801674fbf0 EFLAGS: 00010286 [ 58.395164] RAX: 0000000000000000 RBX: ffff8880139f3840 RCX: 0000000000000000 [ 58.396055] RDX: ffff888015c91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.396956] RBP: ffff8880139f3854 R08: 0000000000000001 R09: 0000000000000000 [ 58.397827] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.398759] R13: ffffffff84e223a0 R14: ffff8880139f3848 R15: ffffffff84daf020 [ 58.399674] FS: 0000555555960400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.400679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.401442] CR2: 00007f6f164486f4 CR3: 000000000c5fc000 CR4: 0000000000350ee0 [ 58.402372] Call Trace: [ 58.402707] [ 58.403036] nf_ct_net_init+0x224/0x3d0 [ 58.403569] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.404168] ops_init+0xbb/0x6b0 [ 58.404625] setup_net+0x3d9/0x990 [ 58.405117] ? down_read_killable+0x1d7/0x4e0 [ 58.405704] ? __pfx_setup_net+0x10/0x10 [ 58.406243] ? copy_net_ns+0x17c/0x770 [ 58.406763] copy_net_ns+0x321/0x770 [ 58.407283] create_new_namespaces+0x3f6/0xb30 [ 58.407875] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.408526] ksys_unshare+0x44d/0x8e0 [ 58.409046] ? __pfx_ksys_unshare+0x10/0x10 [ 58.409603] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.410373] __x64_sys_unshare+0x31/0x40 [ 58.410897] do_syscall_64+0x3f/0x90 [ 58.411406] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.412081] RIP: 0033:0x7f28378b50d7 [ 58.412548] 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 [ 58.414780] RSP: 002b:00007fff798e1a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.415738] RAX: ffffffffffffffda RBX: 00007fff798e2088 RCX: 00007f28378b50d7 [ 58.416641] RDX: 00007f283791f41f RSI: 00007fff798e19e0 RDI: 0000000040000000 [ 58.417529] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff798e17f0 [ 58.418466] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f28379c7bf0 [ 58.419357] R13: 00007fff798e1b20 R14: 0000000000000000 R15: 00000000000000f8 [ 58.420276] [ 58.420593] irq event stamp: 12007 [ 58.421063] hardirqs last enabled at (12019): [] __up_console_sem+0x78/0x80 [ 58.422129] hardirqs last disabled at (12030): [] __up_console_sem+0x5d/0x80 [ 58.423213] softirqs last enabled at (11914): [] irq_exit_rcu+0x93/0xc0 [ 58.424253] softirqs last disabled at (11909): [] irq_exit_rcu+0x93/0xc0 [ 58.425294] ---[ end trace 0000000000000000 ]--- executing program [ 59.920675] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.968014] Bluetooth: hci0: command 0x041b tx timeout [ 64.016994] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.064008] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:55:54 Registers: info registers vcpu 0 RAX=0000000000027ff7 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=00007ff10153c880 CR3=000000000e91a000 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=5106698769771f879f43fef3488f05d1 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d8f928da5fab84ed000000000010ed80 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=bde11553b2e7c08f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801674f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555555960400 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=00007f6f164486f4 CR3=000000000c5fc000 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