syzkaller login: [ 43.267281] sshd (223) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:28384' (ECDSA) to the list of known hosts. 2023/05/16 14:12:41 fuzzer started 2023/05/16 14:12:41 dialing manager at localhost:35573 2023/05/16 14:12:41 checking machine... 2023/05/16 14:12:41 checking revisions... [ 44.474398] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:12:41 testing simple program... [ 44.541867] cgroup: Unknown subsys name 'net' [ 44.660736] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.949135] audit: type=1400 audit(1684246375.318:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.068637] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.071440] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.072765] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.076187] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.077891] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.079247] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 59.390779] ------------[ cut here ]------------ [ 59.391187] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.392130] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.392702] Modules linked in: [ 59.392930] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.393566] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.394121] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.398262] 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 [ 59.399572] RSP: 0018:ffff888019347c00 EFLAGS: 00010282 [ 59.399943] RAX: 0000000000000000 RBX: ffff88800e4e5440 RCX: 0000000000000000 [ 59.400487] RDX: ffff8880198b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.400963] RBP: ffff88800e4e5454 R08: 0000000000000001 R09: 0000000000000000 [ 59.401518] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.402002] R13: ffffffff84e223a0 R14: ffff88800e4e5448 R15: ffffffff84d73340 [ 59.402538] FS: 00005555560e2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.403175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.403573] CR2: 00007f032605a6f4 CR3: 00000000100fe000 CR4: 0000000000350ef0 [ 59.404057] Call Trace: [ 59.404304] [ 59.404468] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.404802] ipv4_frags_init_net+0x269/0x440 [ 59.405196] ops_init+0xbb/0x6b0 [ 59.405444] setup_net+0x3d9/0x990 [ 59.405691] ? down_read_killable+0x1d7/0x4e0 [ 59.405998] ? __pfx_setup_net+0x10/0x10 [ 59.406364] ? copy_net_ns+0x17c/0x770 [ 59.406669] copy_net_ns+0x321/0x770 [ 59.406938] create_new_namespaces+0x3f6/0xb30 [ 59.407350] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.407692] ksys_unshare+0x44d/0x8e0 [ 59.407962] ? __pfx_ksys_unshare+0x10/0x10 [ 59.408336] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.408740] __x64_sys_unshare+0x31/0x40 [ 59.409029] do_syscall_64+0x3f/0x90 [ 59.409359] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.409714] RIP: 0033:0x7fdc6f9310d7 [ 59.409972] 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 [ 59.411274] RSP: 002b:00007ffe7355af98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.411783] RAX: ffffffffffffffda RBX: 00007ffe7355b5d8 RCX: 00007fdc6f9310d7 [ 59.412324] RDX: 00007fdc6f99b41f RSI: 00007ffe7355af30 RDI: 0000000040000000 [ 59.412801] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7355ad40 [ 59.413347] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdc6fa43bf0 [ 59.413823] R13: 00007ffe7355b070 R14: 0000000000000000 R15: 00000000000000f8 [ 59.414367] [ 59.414535] irq event stamp: 12395 [ 59.414789] hardirqs last enabled at (12405): [] __up_console_sem+0x78/0x80 [ 59.415434] hardirqs last disabled at (12448): [] __up_console_sem+0x5d/0x80 [ 59.416010] softirqs last enabled at (12444): [] irq_exit_rcu+0x93/0xc0 [ 59.416634] softirqs last disabled at (12467): [] irq_exit_rcu+0x93/0xc0 [ 59.417213] ---[ end trace 0000000000000000 ]--- [ 59.421349] ------------[ cut here ]------------ [ 59.421672] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.422576] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.423180] Modules linked in: [ 59.423407] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.424030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.424607] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.424966] 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 [ 59.426164] RSP: 0018:ffff888019347c00 EFLAGS: 00010282 [ 59.426534] RAX: 0000000000000000 RBX: ffff888008f02240 RCX: 0000000000000000 [ 59.427007] RDX: ffff8880198b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.427500] RBP: ffff888008f02254 R08: 0000000000000001 R09: 0000000000000000 [ 59.427968] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.428460] R13: ffffffff84e223a0 R14: ffff888008f02248 R15: ffffffff84da62e0 [ 59.428933] FS: 00005555560e2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.429489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.429874] CR2: 00007f032605a6f4 CR3: 00000000100fe000 CR4: 0000000000350ef0 [ 59.430374] Call Trace: [ 59.430555] [ 59.430726] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.431058] ipv6_frags_init_net+0x206/0x3c0 [ 59.431382] ops_init+0xbb/0x6b0 [ 59.431626] setup_net+0x3d9/0x990 [ 59.431871] ? down_read_killable+0x1d7/0x4e0 [ 59.432202] ? __pfx_setup_net+0x10/0x10 [ 59.432484] ? copy_net_ns+0x17c/0x770 [ 59.432777] copy_net_ns+0x321/0x770 [ 59.433058] create_new_namespaces+0x3f6/0xb30 [ 59.433421] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.433783] ksys_unshare+0x44d/0x8e0 [ 59.434065] ? __pfx_ksys_unshare+0x10/0x10 [ 59.434407] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.434839] __x64_sys_unshare+0x31/0x40 [ 59.435161] do_syscall_64+0x3f/0x90 [ 59.435442] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.435814] RIP: 0033:0x7fdc6f9310d7 [ 59.436104] 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 [ 59.437390] RSP: 002b:00007ffe7355af98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.437921] RAX: ffffffffffffffda RBX: 00007ffe7355b5d8 RCX: 00007fdc6f9310d7 [ 59.438445] RDX: 00007fdc6f99b41f RSI: 00007ffe7355af30 RDI: 0000000040000000 [ 59.438949] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7355ad40 [ 59.439469] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdc6fa43bf0 [ 59.439966] R13: 00007ffe7355b070 R14: 0000000000000000 R15: 00000000000000f8 [ 59.440493] [ 59.440667] irq event stamp: 14783 [ 59.440920] hardirqs last enabled at (14793): [] __up_console_sem+0x78/0x80 [ 59.441551] hardirqs last disabled at (14804): [] __up_console_sem+0x5d/0x80 [ 59.442182] softirqs last enabled at (13840): [] irq_exit_rcu+0x93/0xc0 [ 59.442786] softirqs last disabled at (13623): [] irq_exit_rcu+0x93/0xc0 [ 59.443399] ---[ end trace 0000000000000000 ]--- [ 59.444202] ------------[ cut here ]------------ [ 59.444543] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.445728] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.446347] Modules linked in: [ 59.446588] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.447271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.447838] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.448228] 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 [ 59.449488] RSP: 0018:ffff888019347bf0 EFLAGS: 00010286 [ 59.449877] RAX: 0000000000000000 RBX: ffff8880164f5e40 RCX: 0000000000000000 [ 59.450398] RDX: ffff8880198b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.450905] RBP: ffff8880164f5e54 R08: 0000000000000001 R09: 0000000000000000 [ 59.451420] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.451905] R13: ffffffff84e223a0 R14: ffff8880164f5e48 R15: ffffffff84daf020 [ 59.452423] FS: 00005555560e2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.452982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.453415] CR2: 00007f032605a6f4 CR3: 00000000100fe000 CR4: 0000000000350ef0 [ 59.453911] Call Trace: [ 59.454115] [ 59.454289] nf_ct_net_init+0x224/0x3d0 [ 59.454593] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.454936] ops_init+0xbb/0x6b0 [ 59.455210] setup_net+0x3d9/0x990 [ 59.455471] ? down_read_killable+0x1d7/0x4e0 [ 59.455801] ? __pfx_setup_net+0x10/0x10 [ 59.456109] ? copy_net_ns+0x17c/0x770 [ 59.456405] copy_net_ns+0x321/0x770 [ 59.456679] create_new_namespaces+0x3f6/0xb30 [ 59.457014] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.457390] ksys_unshare+0x44d/0x8e0 [ 59.457672] ? __pfx_ksys_unshare+0x10/0x10 [ 59.457983] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.458417] __x64_sys_unshare+0x31/0x40 [ 59.458719] do_syscall_64+0x3f/0x90 [ 59.458995] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.459385] RIP: 0033:0x7fdc6f9310d7 [ 59.459651] 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 [ 59.460912] RSP: 002b:00007ffe7355af98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.461475] RAX: ffffffffffffffda RBX: 00007ffe7355b5d8 RCX: 00007fdc6f9310d7 [ 59.461969] RDX: 00007fdc6f99b41f RSI: 00007ffe7355af30 RDI: 0000000040000000 [ 59.462485] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7355ad40 [ 59.462996] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdc6fa43bf0 [ 59.463515] R13: 00007ffe7355b070 R14: 0000000000000000 R15: 00000000000000f8 [ 59.464027] [ 59.464222] irq event stamp: 15621 [ 59.464482] hardirqs last enabled at (15631): [] __up_console_sem+0x78/0x80 [ 59.465106] hardirqs last disabled at (15642): [] __up_console_sem+0x5d/0x80 [ 59.465704] softirqs last enabled at (15550): [] irq_exit_rcu+0x93/0xc0 [ 59.466301] softirqs last disabled at (15543): [] irq_exit_rcu+0x93/0xc0 [ 59.466891] ---[ end trace 0000000000000000 ]--- [ 61.093789] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.141750] Bluetooth: hci0: command 0x041b tx timeout [ 65.189162] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.237190] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:12:56 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880193475e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 00005555560e2400 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=00007f032605a6f4 CR3=00000000100fe000 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=000000000001d6f9 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=00007f664085d190 CR3=000000000ed06000 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=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=6c74637379735f74656e5f7265747369 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000