syzkaller login: [ 56.707805] sshd (220) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:29148' (ECDSA) to the list of known hosts. 2023/05/17 14:40:01 fuzzer started 2023/05/17 14:40:01 dialing manager at localhost:44319 2023/05/17 14:40:01 checking machine... 2023/05/17 14:40:01 checking revisions... [ 58.835779] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:40:01 testing simple program... [ 58.904516] cgroup: Unknown subsys name 'net' [ 58.963608] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 71.075269] audit: type=1400 audit(1684334414.080:6): 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 [ 72.167820] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.171088] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.172725] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.175718] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.177267] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.179202] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 72.563772] ------------[ cut here ]------------ [ 72.564458] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 72.566304] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.567490] Modules linked in: [ 72.567895] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 72.571668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.573116] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.574082] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 72.576485] RSP: 0018:ffff88801ecffc00 EFLAGS: 00010282 [ 72.577283] RAX: 0000000000000000 RBX: ffff88800eeb7440 RCX: 0000000000000000 [ 72.578204] RDX: ffff888016b99b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 72.579087] RBP: ffff88800eeb7454 R08: 0000000000000001 R09: 0000000000000000 [ 72.580066] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 72.581000] R13: ffffffff84e23fe0 R14: ffff88800eeb7448 R15: ffffffff84d74dc0 [ 72.581918] FS: 0000555555f5f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 72.582912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.583657] CR2: 00007f2d6b7de6f4 CR3: 000000000faa8000 CR4: 0000000000350ef0 [ 72.584556] Call Trace: [ 72.584879] [ 72.585207] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 72.585814] ipv4_frags_init_net+0x269/0x440 [ 72.586406] ops_init+0xbb/0x6b0 [ 72.586854] setup_net+0x3d9/0x990 [ 72.587349] ? down_read_killable+0x1d7/0x4e0 [ 72.587918] ? __pfx_setup_net+0x10/0x10 [ 72.588495] ? copy_net_ns+0x17c/0x770 [ 72.588998] copy_net_ns+0x321/0x770 [ 72.589515] create_new_namespaces+0x3f6/0xb30 [ 72.590099] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.590739] ksys_unshare+0x44d/0x8e0 [ 72.591255] ? __pfx_ksys_unshare+0x10/0x10 [ 72.591795] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.592553] __x64_sys_unshare+0x31/0x40 [ 72.593067] do_syscall_64+0x3f/0x90 [ 72.593575] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.594240] RIP: 0033:0x7f92501af0d7 [ 72.594700] 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 [ 72.596853] RSP: 002b:00007fffcc310948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 72.597790] RAX: ffffffffffffffda RBX: 00007fffcc310f88 RCX: 00007f92501af0d7 [ 72.598687] RDX: 00007f925021941f RSI: 00007fffcc3108e0 RDI: 0000000040000000 [ 72.599565] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffcc3106f0 [ 72.600478] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f92502c1bf0 [ 72.601371] R13: 00007fffcc310a20 R14: 0000000000000000 R15: 00000000000000f8 [ 72.602275] [ 72.602572] irq event stamp: 7939 [ 72.602997] hardirqs last enabled at (7949): [] __up_console_sem+0x78/0x80 [ 72.604071] hardirqs last disabled at (7960): [] __up_console_sem+0x5d/0x80 [ 72.605129] softirqs last enabled at (7712): [] irq_exit_rcu+0x93/0xc0 [ 72.606187] softirqs last disabled at (7703): [] irq_exit_rcu+0x93/0xc0 [ 72.607213] ---[ end trace 0000000000000000 ]--- [ 72.614402] ------------[ cut here ]------------ [ 72.615003] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 72.616654] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.617717] Modules linked in: [ 72.618118] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 72.619280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.620409] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.621062] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 72.623217] RSP: 0018:ffff88801ecffc00 EFLAGS: 00010282 [ 72.623854] RAX: 0000000000000000 RBX: ffff88800eb59640 RCX: 0000000000000000 [ 72.624747] RDX: ffff888016b99b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 72.625628] RBP: ffff88800eb59654 R08: 0000000000000001 R09: 0000000000000000 [ 72.626515] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 72.627408] R13: ffffffff84e23fe0 R14: ffff88800eb59648 R15: ffffffff84da7d60 [ 72.628328] FS: 0000555555f5f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 72.629321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.630022] CR2: 00007f2d6b7de6f4 CR3: 000000000faa8000 CR4: 0000000000350ef0 [ 72.630912] Call Trace: [ 72.631266] [ 72.631560] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 72.632213] ipv6_frags_init_net+0x206/0x3c0 [ 72.632779] ops_init+0xbb/0x6b0 [ 72.633254] setup_net+0x3d9/0x990 [ 72.633720] ? down_read_killable+0x1d7/0x4e0 [ 72.634330] ? __pfx_setup_net+0x10/0x10 [ 72.634846] ? copy_net_ns+0x17c/0x770 [ 72.635383] copy_net_ns+0x321/0x770 [ 72.635859] create_new_namespaces+0x3f6/0xb30 [ 72.636480] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.637088] ksys_unshare+0x44d/0x8e0 [ 72.637611] ? __pfx_ksys_unshare+0x10/0x10 [ 72.638183] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.638884] __x64_sys_unshare+0x31/0x40 [ 72.639433] do_syscall_64+0x3f/0x90 [ 72.639904] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.640587] RIP: 0033:0x7f92501af0d7 [ 72.641058] 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 [ 72.643193] RSP: 002b:00007fffcc310948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 72.644113] RAX: ffffffffffffffda RBX: 00007fffcc310f88 RCX: 00007f92501af0d7 [ 72.644999] RDX: 00007f925021941f RSI: 00007fffcc3108e0 RDI: 0000000040000000 [ 72.645888] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffcc3106f0 [ 72.646767] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f92502c1bf0 [ 72.647645] R13: 00007fffcc310a20 R14: 0000000000000000 R15: 00000000000000f8 [ 72.648556] [ 72.648852] irq event stamp: 10291 [ 72.649322] hardirqs last enabled at (10303): [] __up_console_sem+0x78/0x80 [ 72.650390] hardirqs last disabled at (10314): [] __up_console_sem+0x5d/0x80 [ 72.651463] softirqs last enabled at (9792): [] irq_exit_rcu+0x93/0xc0 [ 72.652516] softirqs last disabled at (9787): [] irq_exit_rcu+0x93/0xc0 [ 72.653576] ---[ end trace 0000000000000000 ]--- [ 72.654944] ------------[ cut here ]------------ [ 72.655591] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 72.657547] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.658662] Modules linked in: [ 72.659083] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 72.660301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.661360] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.662022] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 72.664294] RSP: 0018:ffff88801ecffbf0 EFLAGS: 00010286 [ 72.664967] RAX: 0000000000000000 RBX: ffff88800eb59e40 RCX: 0000000000000000 [ 72.665887] RDX: ffff888016b99b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 72.666812] RBP: ffff88800eb59e54 R08: 0000000000000001 R09: 0000000000000000 [ 72.667734] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 72.668687] R13: ffffffff84e23fe0 R14: ffff88800eb59e48 R15: ffffffff84db0aa0 [ 72.669620] FS: 0000555555f5f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 72.670684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.671470] CR2: 00007f2d6b7de6f4 CR3: 000000000faa8000 CR4: 0000000000350ef0 [ 72.672418] Call Trace: [ 72.672759] [ 72.673073] nf_ct_net_init+0x224/0x3d0 [ 72.673650] ? __pfx_nf_ct_net_init+0x10/0x10 [ 72.674301] ops_init+0xbb/0x6b0 [ 72.674772] setup_net+0x3d9/0x990 [ 72.675285] ? down_read_killable+0x1d7/0x4e0 [ 72.675890] ? __pfx_setup_net+0x10/0x10 [ 72.676474] ? copy_net_ns+0x17c/0x770 [ 72.677010] copy_net_ns+0x321/0x770 [ 72.677555] create_new_namespaces+0x3f6/0xb30 [ 72.678205] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.678866] ksys_unshare+0x44d/0x8e0 [ 72.679424] ? __pfx_ksys_unshare+0x10/0x10 [ 72.680009] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.680758] __x64_sys_unshare+0x31/0x40 [ 72.681302] do_syscall_64+0x3f/0x90 [ 72.681789] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.682465] RIP: 0033:0x7f92501af0d7 [ 72.682947] 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 [ 72.685189] RSP: 002b:00007fffcc310948 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 72.686120] RAX: ffffffffffffffda RBX: 00007fffcc310f88 RCX: 00007f92501af0d7 [ 72.687018] RDX: 00007f925021941f RSI: 00007fffcc3108e0 RDI: 0000000040000000 [ 72.687927] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffcc3106f0 [ 72.688862] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f92502c1bf0 [ 72.689771] R13: 00007fffcc310a20 R14: 0000000000000000 R15: 00000000000000f8 [ 72.690700] [ 72.691009] irq event stamp: 11077 [ 72.691481] hardirqs last enabled at (11089): [] __up_console_sem+0x78/0x80 [ 72.692573] hardirqs last disabled at (11110): [] __up_console_sem+0x5d/0x80 [ 72.693637] softirqs last enabled at (11106): [] irq_exit_rcu+0x93/0xc0 [ 72.694677] softirqs last disabled at (11097): [] irq_exit_rcu+0x93/0xc0 [ 72.695719] ---[ end trace 0000000000000000 ]--- executing program [ 74.244841] Bluetooth: hci0: command 0x0409 tx timeout [ 76.293227] Bluetooth: hci0: command 0x041b tx timeout executing program [ 78.340298] Bluetooth: hci0: command 0x040f tx timeout executing program [ 80.388205] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 14:39:52 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ecff598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555555f5f400 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=00007f2d6b7de6f4 CR3=000000000faa8000 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=0000000000000000 RBX=000000002a39cc5f RCX=ffffffff849f2100 RDX=ffff88800ffc8000 RSI=1ffffffff093e420 RDI=0000000000000000 RBP=000000006a3d45e8 RSP=ffff88800ffd7a18 R8 =0000000000000006 R9 =0000000004c63e60 R10=00000000c18abefd R11=0000000000000000 R12=dffffc0000000000 R13=ffffffff849f1500 R14=00000000000001fa R15=ffff888019e60fd4 RIP=ffffffff821a2265 RFL=00000212 [----A--] 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 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=00007f1689e93550 CR3=000000000f254000 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=2035313a30343a34312037312079614d XMM01=5d3430333636352e32372020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3430333636352e32372020205b XMM07=79732035313a30343a34312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000