syzkaller login: [ 43.585055] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:17103' (ECDSA) to the list of known hosts. 2023/05/17 15:11:21 fuzzer started 2023/05/17 15:11:21 dialing manager at localhost:44319 2023/05/17 15:11:21 checking machine... 2023/05/17 15:11:21 checking revisions... [ 44.718157] kmemleak: Automatic memory scanning thread ended 2023/05/17 15:11:22 testing simple program... [ 44.775014] cgroup: Unknown subsys name 'net' [ 44.857348] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.946736] audit: type=1400 audit(1684336294.357:6): 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 [ 58.064053] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.066010] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.067296] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.069950] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.073090] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.075353] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.490058] ------------[ cut here ]------------ [ 58.490770] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.492409] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.493461] Modules linked in: [ 58.493870] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.497702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.498805] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.499506] 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 [ 58.501743] RSP: 0018:ffff888016c97c00 EFLAGS: 00010282 [ 58.502446] RAX: 0000000000000000 RBX: ffff888016076840 RCX: 0000000000000000 [ 58.503359] RDX: ffff888016c5b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.504249] RBP: ffff888016076854 R08: 0000000000000001 R09: 0000000000000000 [ 58.505113] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.505992] R13: ffffffff84e23fe0 R14: ffff888016076848 R15: ffffffff84d74dc0 [ 58.506884] FS: 0000555555664400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.507873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.508604] CR2: 00007f19845eb6f4 CR3: 0000000017644000 CR4: 0000000000350ee0 [ 58.509490] Call Trace: [ 58.509815] [ 58.510134] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.510780] ipv4_frags_init_net+0x269/0x440 [ 58.511366] ops_init+0xbb/0x6b0 [ 58.511812] setup_net+0x3d9/0x990 [ 58.512298] ? down_read_killable+0x1d7/0x4e0 [ 58.512870] ? __pfx_setup_net+0x10/0x10 [ 58.513404] ? copy_net_ns+0x17c/0x770 [ 58.513909] copy_net_ns+0x321/0x770 [ 58.514424] create_new_namespaces+0x3f6/0xb30 [ 58.515009] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.515648] ksys_unshare+0x44d/0x8e0 [ 58.516139] ? __pfx_ksys_unshare+0x10/0x10 [ 58.516703] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.517431] __x64_sys_unshare+0x31/0x40 [ 58.517939] do_syscall_64+0x3f/0x90 [ 58.518450] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.519087] RIP: 0033:0x7fc9464f80d7 [ 58.519581] 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 [ 58.521756] RSP: 002b:00007ffc65366bc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.522706] RAX: ffffffffffffffda RBX: 00007ffc65367208 RCX: 00007fc9464f80d7 [ 58.523594] RDX: 00007fc94656241f RSI: 00007ffc65366b60 RDI: 0000000040000000 [ 58.524471] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc65366970 [ 58.525357] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc94660abf0 [ 58.526242] R13: 00007ffc65366ca0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.527108] [ 58.527434] irq event stamp: 8023 [ 58.527859] hardirqs last enabled at (8033): [] __up_console_sem+0x78/0x80 [ 58.528911] hardirqs last disabled at (8044): [] __up_console_sem+0x5d/0x80 [ 58.529952] softirqs last enabled at (7044): [] netlink_insert+0x187/0x1820 [ 58.531054] softirqs last disabled at (7042): [] release_sock+0x1f/0x1b0 [ 58.532094] ---[ end trace 0000000000000000 ]--- [ 58.537391] ------------[ cut here ]------------ [ 58.537978] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.539655] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.540746] Modules linked in: [ 58.541196] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.542401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.543408] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.544045] 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 [ 58.546217] RSP: 0018:ffff888016c97c00 EFLAGS: 00010282 [ 58.546865] RAX: 0000000000000000 RBX: ffff88800d83f640 RCX: 0000000000000000 [ 58.547750] RDX: ffff888016c5b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.548643] RBP: ffff88800d83f654 R08: 0000000000000001 R09: 0000000000000000 [ 58.549529] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.550430] R13: ffffffff84e23fe0 R14: ffff88800d83f648 R15: ffffffff84da7d60 [ 58.551322] FS: 0000555555664400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.552317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.553016] CR2: 00007f19845eb6f4 CR3: 0000000017644000 CR4: 0000000000350ee0 [ 58.553907] Call Trace: [ 58.554269] [ 58.554567] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.555208] ipv6_frags_init_net+0x206/0x3c0 [ 58.555766] ops_init+0xbb/0x6b0 [ 58.556239] setup_net+0x3d9/0x990 [ 58.556697] ? down_read_killable+0x1d7/0x4e0 [ 58.557288] ? __pfx_setup_net+0x10/0x10 [ 58.557799] ? copy_net_ns+0x17c/0x770 [ 58.558359] copy_net_ns+0x321/0x770 [ 58.558835] create_new_namespaces+0x3f6/0xb30 [ 58.559445] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.560057] ksys_unshare+0x44d/0x8e0 [ 58.560572] ? __pfx_ksys_unshare+0x10/0x10 [ 58.561114] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.561847] __x64_sys_unshare+0x31/0x40 [ 58.562396] do_syscall_64+0x3f/0x90 [ 58.562870] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.563539] RIP: 0033:0x7fc9464f80d7 [ 58.563995] 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 [ 58.566161] RSP: 002b:00007ffc65366bc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.567104] RAX: ffffffffffffffda RBX: 00007ffc65367208 RCX: 00007fc9464f80d7 [ 58.567987] RDX: 00007fc94656241f RSI: 00007ffc65366b60 RDI: 0000000040000000 [ 58.568875] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc65366970 [ 58.569758] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc94660abf0 [ 58.570656] R13: 00007ffc65366ca0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.571570] [ 58.571876] irq event stamp: 9819 [ 58.572327] hardirqs last enabled at (9831): [] __up_console_sem+0x78/0x80 [ 58.573382] hardirqs last disabled at (9842): [] __up_console_sem+0x5d/0x80 [ 58.574453] softirqs last enabled at (9318): [] irq_exit_rcu+0x93/0xc0 [ 58.575475] softirqs last disabled at (9313): [] irq_exit_rcu+0x93/0xc0 [ 58.576500] ---[ end trace 0000000000000000 ]--- [ 58.577810] ------------[ cut here ]------------ [ 58.578442] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.580357] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.581405] Modules linked in: [ 58.581883] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.583300] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.584321] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.584962] 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 [ 58.587155] RSP: 0018:ffff888016c97bf0 EFLAGS: 00010286 [ 58.587822] RAX: 0000000000000000 RBX: ffff88800d83ec40 RCX: 0000000000000000 [ 58.588699] RDX: ffff888016c5b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.589579] RBP: ffff88800d83ec54 R08: 0000000000000001 R09: 0000000000000000 [ 58.590494] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.591383] R13: ffffffff84e23fe0 R14: ffff88800d83ec48 R15: ffffffff84db0aa0 [ 58.592272] FS: 0000555555664400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.593260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.593968] CR2: 00007f19845eb6f4 CR3: 0000000017644000 CR4: 0000000000350ee0 [ 58.594865] Call Trace: [ 58.595217] [ 58.595513] nf_ct_net_init+0x224/0x3d0 [ 58.596025] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.596621] ops_init+0xbb/0x6b0 [ 58.597065] setup_net+0x3d9/0x990 [ 58.597558] ? down_read_killable+0x1d7/0x4e0 [ 58.598146] ? __pfx_setup_net+0x10/0x10 [ 58.598683] ? copy_net_ns+0x17c/0x770 [ 58.599219] copy_net_ns+0x321/0x770 [ 58.599704] create_new_namespaces+0x3f6/0xb30 [ 58.600317] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.600928] ksys_unshare+0x44d/0x8e0 [ 58.601439] ? __pfx_ksys_unshare+0x10/0x10 [ 58.601978] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.602729] __x64_sys_unshare+0x31/0x40 [ 58.603279] do_syscall_64+0x3f/0x90 [ 58.603756] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.604426] RIP: 0033:0x7fc9464f80d7 [ 58.604884] 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 [ 58.607055] RSP: 002b:00007ffc65366bc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.607999] RAX: ffffffffffffffda RBX: 00007ffc65367208 RCX: 00007fc9464f80d7 [ 58.608892] RDX: 00007fc94656241f RSI: 00007ffc65366b60 RDI: 0000000040000000 [ 58.609766] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc65366970 [ 58.610669] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc94660abf0 [ 58.611558] R13: 00007ffc65366ca0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.612467] [ 58.612764] irq event stamp: 10553 [ 58.613218] hardirqs last enabled at (10565): [] __up_console_sem+0x78/0x80 [ 58.614285] hardirqs last disabled at (10576): [] __up_console_sem+0x5d/0x80 [ 58.615350] softirqs last enabled at (10404): [] irq_exit_rcu+0x93/0xc0 [ 58.616374] softirqs last disabled at (10399): [] irq_exit_rcu+0x93/0xc0 [ 58.617398] ---[ end trace 0000000000000000 ]--- executing program [ 60.149886] Bluetooth: hci0: command 0x0409 tx timeout [ 62.197343] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.245228] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.293263] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:11:26 Registers: info registers vcpu 0 RAX=0000000000028f1f RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007fa0a75f96c0 CR3=00000000161f4000 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=2035333a31313a35312037312079614d XMM01=5d3037373039342e38352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016c975f0 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000005 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000006 [-----P-] 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 0000555555664400 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=00007f19845eb6f4 CR3=0000000017644000 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