Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:36141' (ECDSA) to the list of known hosts. 2023/05/17 02:04:50 fuzzer started 2023/05/17 02:04:50 dialing manager at localhost:35573 2023/05/17 02:04:50 checking machine... 2023/05/17 02:04:50 checking revisions... syzkaller login: [ 74.390220] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:04:50 testing simple program... [ 74.463339] cgroup: Unknown subsys name 'net' [ 74.562092] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 87.361071] audit: type=1400 audit(1684289103.689:6): 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 [ 88.473716] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 88.476233] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 88.477594] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 88.481610] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 88.483499] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 88.485018] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.884504] ------------[ cut here ]------------ [ 88.885183] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 88.886830] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.887902] Modules linked in: [ 88.888315] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 88.893051] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.894097] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.894808] 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 [ 88.896995] RSP: 0018:ffff888015a17c00 EFLAGS: 00010282 [ 88.897694] RAX: 0000000000000000 RBX: ffff88800e990040 RCX: 0000000000000000 [ 88.898598] RDX: ffff88800ff3d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 88.899525] RBP: ffff88800e990054 R08: 0000000000000001 R09: 0000000000000000 [ 88.900429] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 88.901289] R13: ffffffff84e223a0 R14: ffff88800e990048 R15: ffffffff84d73340 [ 88.902178] FS: 0000555555ee1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.903181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.903946] CR2: 00007f6074b776f4 CR3: 0000000019352000 CR4: 0000000000350ef0 [ 88.904839] Call Trace: [ 88.905167] [ 88.905506] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 88.906123] ipv4_frags_init_net+0x269/0x440 [ 88.906708] ops_init+0xbb/0x6b0 [ 88.907155] setup_net+0x3d9/0x990 [ 88.907638] ? down_read_killable+0x1d7/0x4e0 [ 88.908234] ? __pfx_setup_net+0x10/0x10 [ 88.908785] ? copy_net_ns+0x17c/0x770 [ 88.909315] copy_net_ns+0x321/0x770 [ 88.909851] create_new_namespaces+0x3f6/0xb30 [ 88.910490] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.911129] ksys_unshare+0x44d/0x8e0 [ 88.911664] ? __pfx_ksys_unshare+0x10/0x10 [ 88.912257] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.913029] __x64_sys_unshare+0x31/0x40 [ 88.913592] do_syscall_64+0x3f/0x90 [ 88.914077] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.914764] RIP: 0033:0x7fdc0b1e80d7 [ 88.915250] 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 [ 88.917531] RSP: 002b:00007ffcbea6e8a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.918522] RAX: ffffffffffffffda RBX: 00007ffcbea6eee8 RCX: 00007fdc0b1e80d7 [ 88.919439] RDX: 00007fdc0b25241f RSI: 00007ffcbea6e840 RDI: 0000000040000000 [ 88.920354] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbea6e650 [ 88.921273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdc0b2fabf0 [ 88.922194] R13: 00007ffcbea6e980 R14: 0000000000000000 R15: 00000000000000f8 [ 88.923141] [ 88.923484] irq event stamp: 8813 [ 88.923941] hardirqs last enabled at (8823): [] __up_console_sem+0x78/0x80 [ 88.925038] hardirqs last disabled at (8834): [] __up_console_sem+0x5d/0x80 [ 88.926128] softirqs last enabled at (8372): [] irq_exit_rcu+0x93/0xc0 [ 88.927204] softirqs last disabled at (8359): [] irq_exit_rcu+0x93/0xc0 [ 88.928271] ---[ end trace 0000000000000000 ]--- [ 88.934416] ------------[ cut here ]------------ [ 88.935041] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 88.936946] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.938059] Modules linked in: [ 88.938508] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 88.939705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.940754] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.941457] 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 [ 88.943742] RSP: 0018:ffff888015a17c00 EFLAGS: 00010282 [ 88.944454] RAX: 0000000000000000 RBX: ffff88800dc4a040 RCX: 0000000000000000 [ 88.945343] RDX: ffff88800ff3d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 88.946263] RBP: ffff88800dc4a054 R08: 0000000000000001 R09: 0000000000000000 [ 88.947190] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.948125] R13: ffffffff84e223a0 R14: ffff88800dc4a048 R15: ffffffff84da62e0 [ 88.949046] FS: 0000555555ee1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.950083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.950839] CR2: 00007f6074b776f4 CR3: 0000000019352000 CR4: 0000000000350ef0 [ 88.951782] Call Trace: [ 88.952118] [ 88.952458] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 88.953093] ipv6_frags_init_net+0x206/0x3c0 [ 88.953693] ops_init+0xbb/0x6b0 [ 88.954154] setup_net+0x3d9/0x990 [ 88.954651] ? down_read_killable+0x1d7/0x4e0 [ 88.955244] ? __pfx_setup_net+0x10/0x10 [ 88.955820] ? copy_net_ns+0x17c/0x770 [ 88.956346] copy_net_ns+0x321/0x770 [ 88.956874] create_new_namespaces+0x3f6/0xb30 [ 88.957498] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.958138] ksys_unshare+0x44d/0x8e0 [ 88.958683] ? __pfx_ksys_unshare+0x10/0x10 [ 88.959257] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.960038] __x64_sys_unshare+0x31/0x40 [ 88.960607] do_syscall_64+0x3f/0x90 [ 88.961097] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.961794] RIP: 0033:0x7fdc0b1e80d7 [ 88.962275] 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 [ 88.964521] RSP: 002b:00007ffcbea6e8a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.965513] RAX: ffffffffffffffda RBX: 00007ffcbea6eee8 RCX: 00007fdc0b1e80d7 [ 88.966449] RDX: 00007fdc0b25241f RSI: 00007ffcbea6e840 RDI: 0000000040000000 [ 88.967327] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbea6e650 [ 88.968268] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdc0b2fabf0 [ 88.969190] R13: 00007ffcbea6e980 R14: 0000000000000000 R15: 00000000000000f8 [ 88.970141] [ 88.970481] irq event stamp: 11147 [ 88.970928] hardirqs last enabled at (11157): [] __up_console_sem+0x78/0x80 [ 88.972036] hardirqs last disabled at (11168): [] __up_console_sem+0x5d/0x80 [ 88.973133] softirqs last enabled at (11084): [] irq_exit_rcu+0x93/0xc0 [ 88.974199] softirqs last disabled at (11075): [] irq_exit_rcu+0x93/0xc0 [ 88.975270] ---[ end trace 0000000000000000 ]--- [ 88.976676] ------------[ cut here ]------------ [ 88.977290] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 88.979291] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.980418] Modules linked in: [ 88.980834] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 88.982020] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.983060] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.983761] 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 [ 88.986019] RSP: 0018:ffff888015a17bf0 EFLAGS: 00010286 [ 88.986728] RAX: 0000000000000000 RBX: ffff88800dc4a640 RCX: 0000000000000000 [ 88.987648] RDX: ffff88800ff3d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 88.988593] RBP: ffff88800dc4a654 R08: 0000000000000001 R09: 0000000000000000 [ 88.989520] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.990430] R13: ffffffff84e223a0 R14: ffff88800dc4a648 R15: ffffffff84daf020 [ 88.991313] FS: 0000555555ee1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.992350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.993111] CR2: 00007f6074b776f4 CR3: 0000000019352000 CR4: 0000000000350ef0 [ 88.994038] Call Trace: [ 88.994407] [ 88.994718] nf_ct_net_init+0x224/0x3d0 [ 88.995247] ? __pfx_nf_ct_net_init+0x10/0x10 [ 88.995895] ops_init+0xbb/0x6b0 [ 88.996338] setup_net+0x3d9/0x990 [ 88.996817] ? down_read_killable+0x1d7/0x4e0 [ 88.997413] ? __pfx_setup_net+0x10/0x10 [ 88.997933] ? copy_net_ns+0x17c/0x770 [ 88.998470] copy_net_ns+0x321/0x770 [ 88.998953] create_new_namespaces+0x3f6/0xb30 [ 88.999562] unshare_nsproxy_namespaces+0xc1/0x200 [ 89.000190] ksys_unshare+0x44d/0x8e0 [ 89.000712] ? __pfx_ksys_unshare+0x10/0x10 [ 89.001257] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 89.001990] __x64_sys_unshare+0x31/0x40 [ 89.002544] do_syscall_64+0x3f/0x90 [ 89.003027] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 89.003722] RIP: 0033:0x7fdc0b1e80d7 [ 89.004186] 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 [ 89.006400] RSP: 002b:00007ffcbea6e8a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 89.007306] RAX: ffffffffffffffda RBX: 00007ffcbea6eee8 RCX: 00007fdc0b1e80d7 [ 89.008206] RDX: 00007fdc0b25241f RSI: 00007ffcbea6e840 RDI: 0000000040000000 [ 89.009085] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbea6e650 [ 89.009964] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fdc0b2fabf0 [ 89.010852] R13: 00007ffcbea6e980 R14: 0000000000000000 R15: 00000000000000f8 [ 89.011772] [ 89.012071] irq event stamp: 11917 [ 89.012528] hardirqs last enabled at (11929): [] __up_console_sem+0x78/0x80 [ 89.013590] hardirqs last disabled at (11940): [] __up_console_sem+0x5d/0x80 [ 89.014659] softirqs last enabled at (11824): [] irq_exit_rcu+0x93/0xc0 [ 89.015706] softirqs last disabled at (11819): [] irq_exit_rcu+0x93/0xc0 [ 89.016740] ---[ end trace 0000000000000000 ]--- executing program [ 90.559139] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 92.606449] Bluetooth: hci0: command 0x041b tx timeout [ 94.655644] Bluetooth: hci0: command 0x040f tx timeout executing program [ 96.702542] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:04:26 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015a175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555555ee1400 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=00007f6074b776f4 CR3=0000000019352000 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=0000000000071aa9 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=00000206 [-----P-] 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=00007f343a55ad80 CR3=000000000c572000 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=2035303a35303a32302037312079614d XMM01=5d3531333838382e38382020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000