Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:27583' (ECDSA) to the list of known hosts. 2023/05/17 17:38:15 fuzzer started 2023/05/17 17:38:15 dialing manager at localhost:44319 2023/05/17 17:38:15 checking machine... 2023/05/17 17:38:15 checking revisions... syzkaller login: [ 37.201285] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:38:15 testing simple program... [ 37.279297] cgroup: Unknown subsys name 'net' [ 37.379960] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.379684] audit: type=1400 audit(1684345107.810:6): avc: denied { execmem } for pid=255 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.461144] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.464319] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.466020] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.469357] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.476397] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.477762] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.877531] ------------[ cut here ]------------ [ 50.878740] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.880490] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.881652] Modules linked in: [ 50.882084] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.885378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.887931] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.888655] 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 [ 50.890955] RSP: 0018:ffff88801fd3fc00 EFLAGS: 00010282 [ 50.891675] RAX: 0000000000000000 RBX: ffff88800fb0d040 RCX: 0000000000000000 [ 50.892615] RDX: ffff888016a09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.893521] RBP: ffff88800fb0d054 R08: 0000000000000001 R09: 0000000000000000 [ 50.894464] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.895385] R13: ffffffff84e23fe0 R14: ffff88800fb0d048 R15: ffffffff84d74dc0 [ 50.896344] FS: 00005555557b7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.897408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.898187] CR2: 00007f2a9ff0dec0 CR3: 000000000e722000 CR4: 0000000000350ef0 [ 50.899114] Call Trace: [ 50.899455] [ 50.899796] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.900448] ipv4_frags_init_net+0x269/0x440 [ 50.901059] ops_init+0xbb/0x6b0 [ 50.901545] setup_net+0x3d9/0x990 [ 50.902059] ? down_read_killable+0x1d7/0x4e0 [ 50.902693] ? __pfx_setup_net+0x10/0x10 [ 50.903231] ? copy_net_ns+0x17c/0x770 [ 50.903807] copy_net_ns+0x321/0x770 [ 50.904318] create_new_namespaces+0x3f6/0xb30 [ 50.904957] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.905686] ksys_unshare+0x44d/0x8e0 [ 50.906243] ? __pfx_ksys_unshare+0x10/0x10 [ 50.906894] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.907740] __x64_sys_unshare+0x31/0x40 [ 50.908325] do_syscall_64+0x3f/0x90 [ 50.908903] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.909678] RIP: 0033:0x7f63206fa0d7 [ 50.910205] 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 [ 50.912682] RSP: 002b:00007ffe365bfbb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.913762] RAX: ffffffffffffffda RBX: 00007ffe365c01f8 RCX: 00007f63206fa0d7 [ 50.914888] RDX: 00007f632076441f RSI: 00007ffe365bfb50 RDI: 0000000040000000 [ 50.915854] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe365bf960 [ 50.916829] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f632080cbf0 [ 50.917843] R13: 00007ffe365bfc90 R14: 0000000000000000 R15: 00000000000000f8 [ 50.918851] [ 50.919181] irq event stamp: 7737 [ 50.919679] hardirqs last enabled at (7749): [] __up_console_sem+0x78/0x80 [ 50.920835] hardirqs last disabled at (7760): [] __up_console_sem+0x5d/0x80 [ 50.922008] softirqs last enabled at (7272): [] irq_exit_rcu+0x93/0xc0 [ 50.923141] softirqs last disabled at (7245): [] irq_exit_rcu+0x93/0xc0 [ 50.924272] ---[ end trace 0000000000000000 ]--- [ 50.931269] ------------[ cut here ]------------ [ 50.932019] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.933956] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.935064] Modules linked in: [ 50.935500] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.936720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.937796] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.938487] 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 [ 50.940888] RSP: 0018:ffff88801fd3fc00 EFLAGS: 00010282 [ 50.941659] RAX: 0000000000000000 RBX: ffff88800e4a9440 RCX: 0000000000000000 [ 50.942625] RDX: ffff888016a09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.943551] RBP: ffff88800e4a9454 R08: 0000000000000001 R09: 0000000000000000 [ 50.944523] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.945513] R13: ffffffff84e23fe0 R14: ffff88800e4a9448 R15: ffffffff84da7d60 [ 50.946486] FS: 00005555557b7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.947572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.948357] CR2: 00007f2a9ff0dec0 CR3: 000000000e722000 CR4: 0000000000350ef0 [ 50.949337] Call Trace: [ 50.949719] [ 50.950039] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.950728] ipv6_frags_init_net+0x206/0x3c0 [ 50.951334] ops_init+0xbb/0x6b0 [ 50.951842] setup_net+0x3d9/0x990 [ 50.952330] ? down_read_killable+0x1d7/0x4e0 [ 50.952966] ? __pfx_setup_net+0x10/0x10 [ 50.953517] ? copy_net_ns+0x17c/0x770 [ 50.954090] copy_net_ns+0x321/0x770 [ 50.954657] create_new_namespaces+0x3f6/0xb30 [ 50.955282] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.955978] ksys_unshare+0x44d/0x8e0 [ 50.956509] ? __pfx_ksys_unshare+0x10/0x10 [ 50.957139] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.957935] __x64_sys_unshare+0x31/0x40 [ 50.958485] do_syscall_64+0x3f/0x90 [ 50.959025] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.959757] RIP: 0033:0x7f63206fa0d7 [ 50.960261] 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 [ 50.962614] RSP: 002b:00007ffe365bfbb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.963631] RAX: ffffffffffffffda RBX: 00007ffe365c01f8 RCX: 00007f63206fa0d7 [ 50.964544] RDX: 00007f632076441f RSI: 00007ffe365bfb50 RDI: 0000000040000000 [ 50.965506] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe365bf960 [ 50.966460] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f632080cbf0 [ 50.967406] R13: 00007ffe365bfc90 R14: 0000000000000000 R15: 00000000000000f8 [ 50.968382] [ 50.968732] irq event stamp: 10513 [ 50.969215] hardirqs last enabled at (10523): [] __up_console_sem+0x78/0x80 [ 50.970335] hardirqs last disabled at (10534): [] __up_console_sem+0x5d/0x80 [ 50.971471] softirqs last enabled at (10306): [] irq_exit_rcu+0x93/0xc0 [ 50.972577] softirqs last disabled at (10297): [] irq_exit_rcu+0x93/0xc0 [ 50.973704] ---[ end trace 0000000000000000 ]--- [ 50.975129] ------------[ cut here ]------------ [ 50.975765] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.977824] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.978940] Modules linked in: [ 50.979367] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.980576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.981651] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.982327] 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 [ 50.984713] RSP: 0018:ffff88801fd3fbf0 EFLAGS: 00010286 [ 50.985382] RAX: 0000000000000000 RBX: ffff88800e4a8e40 RCX: 0000000000000000 [ 50.986289] RDX: ffff888016a09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.987201] RBP: ffff88800e4a8e54 R08: 0000000000000001 R09: 0000000000000000 [ 50.988121] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.989030] R13: ffffffff84e23fe0 R14: ffff88800e4a8e48 R15: ffffffff84db0aa0 [ 50.989970] FS: 00005555557b7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.990992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.991749] CR2: 00007f2a9ff0dec0 CR3: 000000000e722000 CR4: 0000000000350ef0 [ 50.992661] Call Trace: [ 50.992995] [ 50.993309] nf_ct_net_init+0x224/0x3d0 [ 50.993871] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.994464] ops_init+0xbb/0x6b0 [ 50.994962] setup_net+0x3d9/0x990 [ 50.995436] ? down_read_killable+0x1d7/0x4e0 [ 50.996036] ? __pfx_setup_net+0x10/0x10 [ 50.996542] ? copy_net_ns+0x17c/0x770 [ 50.997100] copy_net_ns+0x321/0x770 [ 50.997576] create_new_namespaces+0x3f6/0xb30 [ 50.998188] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.998836] ksys_unshare+0x44d/0x8e0 [ 50.999338] ? __pfx_ksys_unshare+0x10/0x10 [ 50.999918] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.000676] __x64_sys_unshare+0x31/0x40 [ 51.001219] do_syscall_64+0x3f/0x90 [ 51.001724] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.002351] RIP: 0033:0x7f63206fa0d7 [ 51.002830] 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 [ 51.004940] RSP: 002b:00007ffe365bfbb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.005872] RAX: ffffffffffffffda RBX: 00007ffe365c01f8 RCX: 00007f63206fa0d7 [ 51.006729] RDX: 00007f632076441f RSI: 00007ffe365bfb50 RDI: 0000000040000000 [ 51.007558] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe365bf960 [ 51.008424] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f632080cbf0 [ 51.009312] R13: 00007ffe365bfc90 R14: 0000000000000000 R15: 00000000000000f8 [ 51.010230] [ 51.010534] irq event stamp: 11271 [ 51.011007] hardirqs last enabled at (11283): [] __up_console_sem+0x78/0x80 [ 51.012096] hardirqs last disabled at (11294): [] __up_console_sem+0x5d/0x80 [ 51.013193] softirqs last enabled at (11012): [] irq_exit_rcu+0x93/0xc0 [ 51.014246] softirqs last disabled at (11007): [] irq_exit_rcu+0x93/0xc0 [ 51.015288] ---[ end trace 0000000000000000 ]--- executing program [ 52.539210] Bluetooth: hci0: command 0x0409 tx timeout [ 54.586662] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.634678] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.682693] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 17:38:29 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801fd3f5f0 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 00005555557b7400 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=00007f2a9ff0dec0 CR3=000000000e722000 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=0000000080000000 RBX=000000000000000a RCX=ffffffff84499f37 RDX=000000000000000a RSI=0000000000000004 RDI=0000000000000006 RBP=0000000000000004 RSP=ffff888016b377a8 R8 =0000000000000006 R9 =0000000000000004 R10=000000000000000a R11=fffffffffffcb440 R12=0000000000000004 R13=0000000000000000 R14=ffff88800f3b48f8 R15=ffff88800f3b40f8 RIP=ffffffff814be030 RFL=00000293 [--S-A-C] 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 00007f2aa0b10900 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=00007f2a9ff97120 CR3=000000000e73e000 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=6e8112d3bce117b7e342cc50746a9cbe XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=f850b09c4f78dcac000000000013bdb8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=a79a8240e9d1221e00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000