syzkaller login: [ 43.824671] sshd (232) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:30629' (ECDSA) to the list of known hosts. 2023/05/16 19:34:55 fuzzer started 2023/05/16 19:34:55 dialing manager at localhost:35573 2023/05/16 19:34:56 checking machine... 2023/05/16 19:34:56 checking revisions... [ 45.032261] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:34:56 testing simple program... [ 45.099892] cgroup: Unknown subsys name 'net' [ 45.185586] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.241500] audit: type=1400 audit(1684265709.371:6): 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 [ 59.362025] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.364171] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.365983] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.368468] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.369900] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.372028] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.757473] ------------[ cut here ]------------ [ 59.758168] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.759976] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.761193] Modules linked in: [ 59.761623] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.767383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.768574] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.769412] 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 [ 59.771857] RSP: 0018:ffff888020087c00 EFLAGS: 00010282 [ 59.772681] RAX: 0000000000000000 RBX: ffff8880098e9440 RCX: 0000000000000000 [ 59.773632] RDX: ffff88800e0b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.774572] RBP: ffff8880098e9454 R08: 0000000000000001 R09: 0000000000000000 [ 59.775522] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.776485] R13: ffffffff84e223a0 R14: ffff8880098e9448 R15: ffffffff84d73340 [ 59.777446] FS: 00005555558f5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.778514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.779309] CR2: 00007f525a55a6f4 CR3: 000000000f118000 CR4: 0000000000350ee0 [ 59.780254] Call Trace: [ 59.780600] [ 59.780913] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.781584] ipv4_frags_init_net+0x269/0x440 [ 59.782202] ops_init+0xbb/0x6b0 [ 59.782681] setup_net+0x3d9/0x990 [ 59.783185] ? down_read_killable+0x1d7/0x4e0 [ 59.783807] ? __pfx_setup_net+0x10/0x10 [ 59.784378] ? copy_net_ns+0x17c/0x770 [ 59.784911] copy_net_ns+0x321/0x770 [ 59.785448] create_new_namespaces+0x3f6/0xb30 [ 59.786097] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.786751] ksys_unshare+0x44d/0x8e0 [ 59.787322] ? __pfx_ksys_unshare+0x10/0x10 [ 59.787923] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.788731] __x64_sys_unshare+0x31/0x40 [ 59.789304] do_syscall_64+0x3f/0x90 [ 59.789810] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.790548] RIP: 0033:0x7fc3411e20d7 [ 59.791043] 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 [ 59.793377] RSP: 002b:00007fff7302b9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.794384] RAX: ffffffffffffffda RBX: 00007fff7302c008 RCX: 00007fc3411e20d7 [ 59.795319] RDX: 00007fc34124c41f RSI: 00007fff7302b960 RDI: 0000000040000000 [ 59.796274] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7302b770 [ 59.797216] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc3412f4bf0 [ 59.798162] R13: 00007fff7302baa0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.799118] [ 59.799429] irq event stamp: 8045 [ 59.799897] hardirqs last enabled at (8055): [] __up_console_sem+0x78/0x80 [ 59.801015] hardirqs last disabled at (8066): [] __up_console_sem+0x5d/0x80 [ 59.802123] softirqs last enabled at (7690): [] irq_exit_rcu+0x93/0xc0 [ 59.803236] softirqs last disabled at (7685): [] irq_exit_rcu+0x93/0xc0 [ 59.804371] ---[ end trace 0000000000000000 ]--- [ 59.810052] ------------[ cut here ]------------ [ 59.810736] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.812580] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.813785] Modules linked in: [ 59.814413] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.815857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.817015] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.817908] 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 [ 59.820381] RSP: 0018:ffff888020087c00 EFLAGS: 00010282 [ 59.821235] RAX: 0000000000000000 RBX: ffff888015ace640 RCX: 0000000000000000 [ 59.822322] RDX: ffff88800e0b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.823393] RBP: ffff888015ace654 R08: 0000000000000001 R09: 0000000000000000 [ 59.824441] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.825499] R13: ffffffff84e223a0 R14: ffff888015ace648 R15: ffffffff84da62e0 [ 59.826572] FS: 00005555558f5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.827781] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.828731] CR2: 00007fa9dd7fd770 CR3: 000000000f118000 CR4: 0000000000350ef0 [ 59.829795] Call Trace: [ 59.830263] [ 59.830578] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.831419] ipv6_frags_init_net+0x206/0x3c0 [ 59.832026] ops_init+0xbb/0x6b0 [ 59.832733] setup_net+0x3d9/0x990 [ 59.833351] ? down_read_killable+0x1d7/0x4e0 [ 59.833955] ? __pfx_setup_net+0x10/0x10 [ 59.834683] ? copy_net_ns+0x17c/0x770 [ 59.835341] copy_net_ns+0x321/0x770 [ 59.835856] create_new_namespaces+0x3f6/0xb30 [ 59.836651] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.837453] ksys_unshare+0x44d/0x8e0 [ 59.837973] ? __pfx_ksys_unshare+0x10/0x10 [ 59.838699] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.839624] __x64_sys_unshare+0x31/0x40 [ 59.840367] do_syscall_64+0x3f/0x90 [ 59.840845] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.841610] RIP: 0033:0x7fc3411e20d7 [ 59.842269] 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 [ 59.844580] RSP: 002b:00007fff7302b9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.845710] RAX: ffffffffffffffda RBX: 00007fff7302c008 RCX: 00007fc3411e20d7 [ 59.846709] RDX: 00007fc34124c41f RSI: 00007fff7302b960 RDI: 0000000040000000 [ 59.847775] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7302b770 [ 59.848759] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc3412f4bf0 [ 59.849802] R13: 00007fff7302baa0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.850851] [ 59.851302] irq event stamp: 12267 [ 59.851758] hardirqs last enabled at (12277): [] __up_console_sem+0x78/0x80 [ 59.852953] hardirqs last disabled at (12352): [] __up_console_sem+0x5d/0x80 [ 59.854160] softirqs last enabled at (12416): [] irq_exit_rcu+0x93/0xc0 [ 59.855333] softirqs last disabled at (12429): [] irq_exit_rcu+0x93/0xc0 [ 59.856521] ---[ end trace 0000000000000000 ]--- [ 59.858172] ------------[ cut here ]------------ [ 59.858760] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.861591] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.862736] Modules linked in: [ 59.863273] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.864547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.865660] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.866370] 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 [ 59.868585] RSP: 0018:ffff888020087bf0 EFLAGS: 00010286 [ 59.869276] RAX: 0000000000000000 RBX: ffff888015acfe40 RCX: 0000000000000000 [ 59.870186] RDX: ffff88800e0b1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.871038] RBP: ffff888015acfe54 R08: 0000000000000001 R09: 0000000000000000 [ 59.871986] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.872883] R13: ffffffff84e223a0 R14: ffff888015acfe48 R15: ffffffff84daf020 [ 59.873799] FS: 00005555558f5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.874803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.875535] CR2: 00007fa9dd7fd770 CR3: 000000000f118000 CR4: 0000000000350ef0 [ 59.876423] Call Trace: [ 59.876751] [ 59.877051] nf_ct_net_init+0x224/0x3d0 [ 59.877603] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.878201] ops_init+0xbb/0x6b0 [ 59.878658] setup_net+0x3d9/0x990 [ 59.879134] ? down_read_killable+0x1d7/0x4e0 [ 59.879731] ? __pfx_setup_net+0x10/0x10 [ 59.880276] ? copy_net_ns+0x17c/0x770 [ 59.880789] copy_net_ns+0x321/0x770 [ 59.881308] create_new_namespaces+0x3f6/0xb30 [ 59.881909] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.882544] ksys_unshare+0x44d/0x8e0 [ 59.883038] ? __pfx_ksys_unshare+0x10/0x10 [ 59.883618] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.884359] __x64_sys_unshare+0x31/0x40 [ 59.884875] do_syscall_64+0x3f/0x90 [ 59.885374] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.886024] RIP: 0033:0x7fc3411e20d7 [ 59.886517] 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 [ 59.888737] RSP: 002b:00007fff7302b9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.889688] RAX: ffffffffffffffda RBX: 00007fff7302c008 RCX: 00007fc3411e20d7 [ 59.890582] RDX: 00007fc34124c41f RSI: 00007fff7302b960 RDI: 0000000040000000 [ 59.891469] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff7302b770 executing program [ 59.892389] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc3412f4bf0 [ 59.893802] R13: 00007fff7302baa0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.894744] [ 59.895049] irq event stamp: 13979 [ 59.895518] hardirqs last enabled at (13991): [] __up_console_sem+0x78/0x80 [ 59.896604] hardirqs last disabled at (14002): [] __up_console_sem+0x5d/0x80 [ 59.897707] softirqs last enabled at (13952): [] irq_exit_rcu+0x93/0xc0 [ 59.898827] softirqs last disabled at (13901): [] irq_exit_rcu+0x93/0xc0 [ 59.899965] ---[ end trace 0000000000000000 ]--- [ 61.445718] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.493135] Bluetooth: hci0: command 0x041b tx timeout [ 65.541186] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.589167] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:35:10 Registers: info registers vcpu 0 RAX=000000000002cf35 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=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=00007fa9dd7c8070 CR3=000000000eb50000 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=b4df39efc1bd82afb2471922857b784c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=f271401cf630224f000000000013c8f8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3c738c6070e8f5f500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880200875f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 00005555558f5400 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=00007f525a55a6f4 CR3=000000000f118000 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