syzkaller login: [ 34.719642] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:61628' (ECDSA) to the list of known hosts. 2023/05/16 18:34:49 fuzzer started 2023/05/16 18:34:49 dialing manager at localhost:35573 2023/05/16 18:34:49 checking machine... 2023/05/16 18:34:49 checking revisions... [ 36.943420] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:34:49 testing simple program... [ 37.010127] cgroup: Unknown subsys name 'net' [ 37.092620] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.367268] audit: type=1400 audit(1684262103.111:6): 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 [ 51.469739] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.472361] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.473978] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.477006] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.479081] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.480386] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.855569] ------------[ cut here ]------------ [ 51.856302] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.858149] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.859410] Modules linked in: [ 51.859915] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.864969] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.866163] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.866961] 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 [ 51.869127] RSP: 0018:ffff88801cdbfc00 EFLAGS: 00010282 [ 51.869808] RAX: 0000000000000000 RBX: ffff88800c4c6840 RCX: 0000000000000000 [ 51.870750] RDX: ffff888019ae51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.871636] RBP: ffff88800c4c6854 R08: 0000000000000001 R09: 0000000000000000 [ 51.872545] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.873475] R13: ffffffff84e223a0 R14: ffff88800c4c6848 R15: ffffffff84d73340 [ 51.874353] FS: 00005555560b5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.875300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.875965] CR2: 00007fa1275a36f4 CR3: 000000000d6e8000 CR4: 0000000000350ef0 [ 51.876821] Call Trace: [ 51.877131] [ 51.877448] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.878026] ipv4_frags_init_net+0x269/0x440 [ 51.878638] ops_init+0xbb/0x6b0 [ 51.879061] setup_net+0x3d9/0x990 [ 51.879527] ? down_read_killable+0x1d7/0x4e0 [ 51.880061] ? __pfx_setup_net+0x10/0x10 [ 51.880571] ? copy_net_ns+0x17c/0x770 [ 51.881052] copy_net_ns+0x321/0x770 [ 51.881540] create_new_namespaces+0x3f6/0xb30 [ 51.882096] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.882739] ksys_unshare+0x44d/0x8e0 [ 51.883252] ? __pfx_ksys_unshare+0x10/0x10 [ 51.883788] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.884539] __x64_sys_unshare+0x31/0x40 [ 51.885043] do_syscall_64+0x3f/0x90 [ 51.885543] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.886210] RIP: 0033:0x7fd21749f0d7 [ 51.886704] 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 [ 51.888834] RSP: 002b:00007ffd32647728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.889778] RAX: ffffffffffffffda RBX: 00007ffd32647d68 RCX: 00007fd21749f0d7 [ 51.890694] RDX: 00007fd21750941f RSI: 00007ffd326476c0 RDI: 0000000040000000 [ 51.891581] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd326474d0 [ 51.892466] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd2175b1bf0 [ 51.893352] R13: 00007ffd32647800 R14: 0000000000000000 R15: 00000000000000f8 [ 51.894298] [ 51.894599] irq event stamp: 8731 [ 51.895022] hardirqs last enabled at (8741): [] __up_console_sem+0x78/0x80 [ 51.896074] hardirqs last disabled at (8752): [] __up_console_sem+0x5d/0x80 [ 51.897134] softirqs last enabled at (8368): [] irq_exit_rcu+0x93/0xc0 [ 51.898187] softirqs last disabled at (8357): [] irq_exit_rcu+0x93/0xc0 [ 51.899208] ---[ end trace 0000000000000000 ]--- [ 51.904564] ------------[ cut here ]------------ [ 51.905156] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.906842] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.907901] Modules linked in: [ 51.908316] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.909401] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.910379] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.910992] 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 [ 51.913039] RSP: 0018:ffff88801cdbfc00 EFLAGS: 00010282 [ 51.913691] RAX: 0000000000000000 RBX: ffff88800be6c040 RCX: 0000000000000000 [ 51.914577] RDX: ffff888019ae51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.915409] RBP: ffff88800be6c054 R08: 0000000000000001 R09: 0000000000000000 [ 51.916266] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.917078] R13: ffffffff84e223a0 R14: ffff88800be6c048 R15: ffffffff84da62e0 [ 51.917922] FS: 00005555560b5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.918901] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.919599] CR2: 00007fa1275a36f4 CR3: 000000000d6e8000 CR4: 0000000000350ef0 [ 51.920565] Call Trace: [ 51.920927] [ 51.921273] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.921875] ipv6_frags_init_net+0x206/0x3c0 [ 51.922467] ops_init+0xbb/0x6b0 [ 51.922893] setup_net+0x3d9/0x990 [ 51.923360] ? down_read_killable+0x1d7/0x4e0 [ 51.923902] ? __pfx_setup_net+0x10/0x10 [ 51.924414] ? copy_net_ns+0x17c/0x770 [ 51.924893] copy_net_ns+0x321/0x770 [ 51.925378] create_new_namespaces+0x3f6/0xb30 [ 51.925937] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.926584] ksys_unshare+0x44d/0x8e0 [ 51.927054] ? __pfx_ksys_unshare+0x10/0x10 [ 51.927629] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.928371] __x64_sys_unshare+0x31/0x40 [ 51.928889] do_syscall_64+0x3f/0x90 [ 51.929389] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.930021] RIP: 0033:0x7fd21749f0d7 [ 51.930564] 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 [ 51.932713] RSP: 002b:00007ffd32647728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.933641] RAX: ffffffffffffffda RBX: 00007ffd32647d68 RCX: 00007fd21749f0d7 [ 51.934555] RDX: 00007fd21750941f RSI: 00007ffd326476c0 RDI: 0000000040000000 [ 51.935443] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd326474d0 [ 51.936317] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd2175b1bf0 [ 51.937166] R13: 00007ffd32647800 R14: 0000000000000000 R15: 00000000000000f8 [ 51.938077] [ 51.938438] irq event stamp: 10445 [ 51.938867] hardirqs last enabled at (10455): [] __up_console_sem+0x78/0x80 [ 51.939918] hardirqs last disabled at (10466): [] __up_console_sem+0x5d/0x80 [ 51.940978] softirqs last enabled at (9398): [] netlink_insert+0x187/0x1820 [ 51.942057] softirqs last disabled at (9396): [] release_sock+0x1f/0x1b0 [ 51.943153] ---[ end trace 0000000000000000 ]--- [ 51.944522] ------------[ cut here ]------------ [ 51.945104] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.947085] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.948133] Modules linked in: [ 51.948567] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.949698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.950736] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.951407] 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 [ 51.953552] RSP: 0018:ffff88801cdbfbf0 EFLAGS: 00010286 [ 51.954286] RAX: 0000000000000000 RBX: ffff88800be6c640 RCX: 0000000000000000 [ 51.955138] RDX: ffff888019ae51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.956014] RBP: ffff88800be6c654 R08: 0000000000000001 R09: 0000000000000000 [ 51.956891] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.957776] R13: ffffffff84e223a0 R14: ffff88800be6c648 R15: ffffffff84daf020 [ 51.958693] FS: 00005555560b5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.959678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.960406] CR2: 00007fa1275a36f4 CR3: 000000000d6e8000 CR4: 0000000000350ef0 [ 51.961291] Call Trace: [ 51.961613] [ 51.961916] nf_ct_net_init+0x224/0x3d0 [ 51.962493] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.963052] ops_init+0xbb/0x6b0 [ 51.963523] setup_net+0x3d9/0x990 [ 51.963967] ? down_read_killable+0x1d7/0x4e0 [ 51.964556] ? __pfx_setup_net+0x10/0x10 [ 51.965055] ? copy_net_ns+0x17c/0x770 [ 51.965585] copy_net_ns+0x321/0x770 [ 51.966056] create_new_namespaces+0x3f6/0xb30 [ 51.966715] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.967351] ksys_unshare+0x44d/0x8e0 [ 51.967834] ? __pfx_ksys_unshare+0x10/0x10 [ 51.968401] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.969094] __x64_sys_unshare+0x31/0x40 [ 51.969631] do_syscall_64+0x3f/0x90 [ 51.970095] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.970789] RIP: 0033:0x7fd21749f0d7 [ 51.971273] 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 [ 51.973431] RSP: 002b:00007ffd32647728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.974419] RAX: ffffffffffffffda RBX: 00007ffd32647d68 RCX: 00007fd21749f0d7 [ 51.975298] RDX: 00007fd21750941f RSI: 00007ffd326476c0 RDI: 0000000040000000 [ 51.976135] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd326474d0 [ 51.977005] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd2175b1bf0 [ 51.977887] R13: 00007ffd32647800 R14: 0000000000000000 R15: 00000000000000f8 [ 51.978834] [ 51.979132] irq event stamp: 11227 [ 51.979592] hardirqs last enabled at (11239): [] __up_console_sem+0x78/0x80 [ 51.980638] hardirqs last disabled at (11250): [] __up_console_sem+0x5d/0x80 [ 51.981680] softirqs last enabled at (10968): [] irq_exit_rcu+0x93/0xc0 [ 51.982759] softirqs last disabled at (10963): [] irq_exit_rcu+0x93/0xc0 [ 51.983784] ---[ end trace 0000000000000000 ]--- [ 53.545942] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.593300] Bluetooth: hci0: command 0x041b tx timeout [ 57.641320] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.689400] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:34:57 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801cdbf598 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 00005555560b5400 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=00007fa1275a36f4 CR3=000000000d6e8000 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=000000000003ef5d 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=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 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=00007f575c2fa810 CR3=000000000ece8000 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=2034303a35333a38312036312079614d XMM01=5d3934313835382e31352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3934313835382e31352020205b XMM07=79732034303a35333a38312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000