syzkaller login: [ 43.212783] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:36007' (ECDSA) to the list of known hosts. 2023/05/17 15:41:07 fuzzer started 2023/05/17 15:41:07 dialing manager at localhost:44319 2023/05/17 15:41:07 checking machine... 2023/05/17 15:41:07 checking revisions... [ 45.311797] kmemleak: Automatic memory scanning thread ended 2023/05/17 15:41:08 testing simple program... [ 45.383177] cgroup: Unknown subsys name 'net' [ 45.469548] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.148774] audit: type=1400 audit(1684338080.921:6): 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 [ 59.263578] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.265972] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.268005] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.271843] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.274477] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.275746] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.692119] ------------[ cut here ]------------ [ 59.692772] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.694516] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.695764] Modules linked in: [ 59.696230] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.701070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.702096] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.702746] 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 [ 59.704953] RSP: 0018:ffff88800fbbfc00 EFLAGS: 00010282 [ 59.705598] RAX: 0000000000000000 RBX: ffff8880094d1040 RCX: 0000000000000000 [ 59.706500] RDX: ffff888017ac1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.707405] RBP: ffff8880094d1054 R08: 0000000000000001 R09: 0000000000000000 [ 59.708293] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.709172] R13: ffffffff84e23fe0 R14: ffff8880094d1048 R15: ffffffff84d74dc0 [ 59.710059] FS: 00005555573aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.711078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.711818] CR2: 00007fe14e7d26f4 CR3: 0000000009432000 CR4: 0000000000350ee0 [ 59.712710] Call Trace: [ 59.713073] [ 59.713381] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.714028] ipv4_frags_init_net+0x269/0x440 [ 59.714585] ops_init+0xbb/0x6b0 [ 59.715073] setup_net+0x3d9/0x990 [ 59.715539] ? down_read_killable+0x1d7/0x4e0 [ 59.716136] ? __pfx_setup_net+0x10/0x10 [ 59.716652] ? copy_net_ns+0x17c/0x770 [ 59.717191] copy_net_ns+0x321/0x770 [ 59.717676] create_new_namespaces+0x3f6/0xb30 [ 59.718292] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.718939] ksys_unshare+0x44d/0x8e0 [ 59.719450] ? __pfx_ksys_unshare+0x10/0x10 [ 59.720039] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.720740] __x64_sys_unshare+0x31/0x40 [ 59.721295] do_syscall_64+0x3f/0x90 [ 59.721779] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.722458] RIP: 0033:0x7f99bccb20d7 [ 59.722956] 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 [ 59.725166] RSP: 002b:00007ffeafe357e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.726113] RAX: ffffffffffffffda RBX: 00007ffeafe35e28 RCX: 00007f99bccb20d7 [ 59.727005] RDX: 00007f99bcd1c41f RSI: 00007ffeafe35780 RDI: 0000000040000000 [ 59.727904] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeafe35590 [ 59.728744] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f99bcdc4bf0 [ 59.729648] R13: 00007ffeafe358c0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.730558] [ 59.730887] irq event stamp: 8859 [ 59.731318] hardirqs last enabled at (8869): [] __up_console_sem+0x78/0x80 [ 59.732357] hardirqs last disabled at (8880): [] __up_console_sem+0x5d/0x80 [ 59.733419] softirqs last enabled at (8382): [] irq_exit_rcu+0x93/0xc0 [ 59.734449] softirqs last disabled at (8369): [] irq_exit_rcu+0x93/0xc0 [ 59.735491] ---[ end trace 0000000000000000 ]--- [ 59.740715] ------------[ cut here ]------------ [ 59.741342] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.742995] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.744056] Modules linked in: [ 59.744457] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.745624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.746648] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.747354] 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 [ 59.749540] RSP: 0018:ffff88800fbbfc00 EFLAGS: 00010282 [ 59.750238] RAX: 0000000000000000 RBX: ffff88800d76f040 RCX: 0000000000000000 [ 59.751147] RDX: ffff888017ac1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.752043] RBP: ffff88800d76f054 R08: 0000000000000001 R09: 0000000000000000 [ 59.752947] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.753809] R13: ffffffff84e23fe0 R14: ffff88800d76f048 R15: ffffffff84da7d60 [ 59.754719] FS: 00005555573aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.755739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.756490] CR2: 00007fe14e7d26f4 CR3: 0000000009432000 CR4: 0000000000350ee0 [ 59.757380] Call Trace: [ 59.757701] [ 59.758037] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.758647] ipv6_frags_init_net+0x206/0x3c0 [ 59.759254] ops_init+0xbb/0x6b0 [ 59.759701] setup_net+0x3d9/0x990 [ 59.760194] ? down_read_killable+0x1d7/0x4e0 [ 59.760760] ? __pfx_setup_net+0x10/0x10 [ 59.761300] ? copy_net_ns+0x17c/0x770 [ 59.761805] copy_net_ns+0x321/0x770 [ 59.762330] create_new_namespaces+0x3f6/0xb30 [ 59.762940] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.763561] ksys_unshare+0x44d/0x8e0 [ 59.764088] ? __pfx_ksys_unshare+0x10/0x10 [ 59.764633] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.765368] __x64_sys_unshare+0x31/0x40 [ 59.765923] do_syscall_64+0x3f/0x90 [ 59.766396] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.767072] RIP: 0033:0x7f99bccb20d7 [ 59.767568] 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 [ 59.769733] RSP: 002b:00007ffeafe357e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.770681] RAX: ffffffffffffffda RBX: 00007ffeafe35e28 RCX: 00007f99bccb20d7 [ 59.771583] RDX: 00007f99bcd1c41f RSI: 00007ffeafe35780 RDI: 0000000040000000 [ 59.772470] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeafe35590 [ 59.773370] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f99bcdc4bf0 [ 59.774254] R13: 00007ffeafe358c0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.775176] [ 59.775474] irq event stamp: 10569 [ 59.775942] hardirqs last enabled at (10581): [] __up_console_sem+0x78/0x80 [ 59.777010] hardirqs last disabled at (10592): [] __up_console_sem+0x5d/0x80 [ 59.778080] softirqs last enabled at (10218): [] irq_exit_rcu+0x93/0xc0 [ 59.779124] softirqs last disabled at (10209): [] irq_exit_rcu+0x93/0xc0 [ 59.780183] ---[ end trace 0000000000000000 ]--- [ 59.781518] ------------[ cut here ]------------ [ 59.782189] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.784139] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.785208] Modules linked in: [ 59.785611] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.786779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.787828] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.788521] 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 [ 59.790685] RSP: 0018:ffff88800fbbfbf0 EFLAGS: 00010286 [ 59.791380] RAX: 0000000000000000 RBX: ffff88800d76f840 RCX: 0000000000000000 [ 59.792256] RDX: ffff888017ac1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.793138] RBP: ffff88800d76f854 R08: 0000000000000001 R09: 0000000000000000 [ 59.794027] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.794904] R13: ffffffff84e23fe0 R14: ffff88800d76f848 R15: ffffffff84db0aa0 [ 59.795779] FS: 00005555573aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.796769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.797505] CR2: 00007fe14e7d26f4 CR3: 0000000009432000 CR4: 0000000000350ee0 [ 59.798394] Call Trace: [ 59.798720] [ 59.799053] nf_ct_net_init+0x224/0x3d0 [ 59.799585] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.800200] ops_init+0xbb/0x6b0 [ 59.800645] setup_net+0x3d9/0x990 [ 59.801153] ? down_read_killable+0x1d7/0x4e0 [ 59.801712] ? __pfx_setup_net+0x10/0x10 [ 59.802254] ? copy_net_ns+0x17c/0x770 [ 59.802773] copy_net_ns+0x321/0x770 [ 59.803312] create_new_namespaces+0x3f6/0xb30 [ 59.803923] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.804527] ksys_unshare+0x44d/0x8e0 [ 59.805064] ? __pfx_ksys_unshare+0x10/0x10 [ 59.805604] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.806352] __x64_sys_unshare+0x31/0x40 [ 59.806909] do_syscall_64+0x3f/0x90 [ 59.807390] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.808063] RIP: 0033:0x7f99bccb20d7 [ 59.808529] 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 [ 59.810691] RSP: 002b:00007ffeafe357e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.811679] RAX: ffffffffffffffda RBX: 00007ffeafe35e28 RCX: 00007f99bccb20d7 [ 59.812566] RDX: 00007f99bcd1c41f RSI: 00007ffeafe35780 RDI: 0000000040000000 [ 59.813451] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeafe35590 [ 59.814354] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f99bcdc4bf0 [ 59.815245] R13: 00007ffeafe358c0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.816163] [ 59.816464] irq event stamp: 11373 [ 59.816925] hardirqs last enabled at (11385): [] __up_console_sem+0x78/0x80 [ 59.817979] hardirqs last disabled at (11396): [] __up_console_sem+0x5d/0x80 [ 59.819051] softirqs last enabled at (11102): [] irq_exit_rcu+0x93/0xc0 [ 59.820109] softirqs last disabled at (11097): [] irq_exit_rcu+0x93/0xc0 [ 59.821147] ---[ end trace 0000000000000000 ]--- executing program [ 61.346386] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.394269] Bluetooth: hci0: command 0x041b tx timeout [ 65.441927] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.490016] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:41:13 Registers: info registers vcpu 0 RAX=0000000000037551 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=00007f6649d1e458 CR3=000000000cc16000 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=0000000000000000000000ff000000ff XMM02=0000000000000000000000ff000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=352e35332020205b3e343c0030366400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800fbbf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 00005555573aa400 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=00007fe14e7d26f4 CR3=0000000009432000 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