Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:24042' (ECDSA) to the list of known hosts. 2023/05/16 14:18:09 fuzzer started 2023/05/16 14:18:09 dialing manager at localhost:35573 2023/05/16 14:18:09 checking machine... 2023/05/16 14:18:09 checking revisions... syzkaller login: [ 37.094975] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:18:10 testing simple program... [ 37.173941] cgroup: Unknown subsys name 'net' [ 37.256190] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.082301] audit: type=1400 audit(1684246702.987:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.234450] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.236297] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.238668] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.242333] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.244396] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.246922] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.628133] ------------[ cut here ]------------ [ 51.629104] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.631512] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.633168] Modules linked in: [ 51.633815] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.636159] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.638515] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.639675] 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 [ 51.642515] RSP: 0018:ffff888017f37c00 EFLAGS: 00010282 [ 51.643337] RAX: 0000000000000000 RBX: ffff88800f058440 RCX: 0000000000000000 [ 51.644451] RDX: ffff8880162fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.645595] RBP: ffff88800f058454 R08: 0000000000000001 R09: 0000000000000000 [ 51.646708] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.647826] R13: ffffffff84e223a0 R14: ffff88800f058448 R15: ffffffff84d73340 [ 51.648689] FS: 0000555555d5a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.649713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.650418] CR2: 00007f9315beb6f4 CR3: 0000000016922000 CR4: 0000000000350ef0 [ 51.651355] Call Trace: [ 51.651749] [ 51.652067] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.652715] ipv4_frags_init_net+0x269/0x440 [ 51.653305] ops_init+0xbb/0x6b0 [ 51.653803] setup_net+0x3d9/0x990 [ 51.654269] ? down_read_killable+0x1d7/0x4e0 [ 51.654886] ? __pfx_setup_net+0x10/0x10 [ 51.655403] ? copy_net_ns+0x17c/0x770 [ 51.656060] copy_net_ns+0x321/0x770 [ 51.656721] create_new_namespaces+0x3f6/0xb30 [ 51.657536] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.658342] ksys_unshare+0x44d/0x8e0 [ 51.659013] ? __pfx_ksys_unshare+0x10/0x10 [ 51.659765] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.660752] __x64_sys_unshare+0x31/0x40 [ 51.661446] do_syscall_64+0x3f/0x90 [ 51.662094] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.662940] RIP: 0033:0x7fec554910d7 [ 51.663572] 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 [ 51.666379] RSP: 002b:00007ffe1fac4578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.667605] RAX: ffffffffffffffda RBX: 00007ffe1fac4bb8 RCX: 00007fec554910d7 [ 51.668760] RDX: 00007fec554fb41f RSI: 00007ffe1fac4510 RDI: 0000000040000000 [ 51.669914] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe1fac4320 [ 51.671067] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fec555a3bf0 [ 51.672207] R13: 00007ffe1fac4650 R14: 0000000000000000 R15: 00000000000000f8 [ 51.673418] [ 51.673848] irq event stamp: 7747 [ 51.674320] hardirqs last enabled at (7757): [] __up_console_sem+0x78/0x80 [ 51.675503] hardirqs last disabled at (7768): [] __up_console_sem+0x5d/0x80 [ 51.676692] softirqs last enabled at (7786): [] irq_exit_rcu+0x93/0xc0 [ 51.677840] softirqs last disabled at (7777): [] irq_exit_rcu+0x93/0xc0 [ 51.678935] ---[ end trace 0000000000000000 ]--- [ 51.686851] ------------[ cut here ]------------ [ 51.687517] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.689282] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.690464] Modules linked in: [ 51.690957] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.692240] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.693546] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.694350] 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 [ 51.697077] RSP: 0018:ffff888017f37c00 EFLAGS: 00010282 [ 51.698034] RAX: 0000000000000000 RBX: ffff88800dd0a840 RCX: 0000000000000000 [ 51.699287] RDX: ffff8880162fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.700535] RBP: ffff88800dd0a854 R08: 0000000000000001 R09: 0000000000000000 [ 51.701816] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.703082] R13: ffffffff84e223a0 R14: ffff88800dd0a848 R15: ffffffff84da62e0 [ 51.704341] FS: 0000555555d5a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.705754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.706805] CR2: 00007f9315beb6f4 CR3: 0000000016922000 CR4: 0000000000350ef0 [ 51.708057] Call Trace: [ 51.708557] [ 51.708981] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.709882] ipv6_frags_init_net+0x206/0x3c0 [ 51.710690] ops_init+0xbb/0x6b0 [ 51.711302] setup_net+0x3d9/0x990 [ 51.711995] ? down_read_killable+0x1d7/0x4e0 [ 51.712827] ? __pfx_setup_net+0x10/0x10 [ 51.713625] ? copy_net_ns+0x17c/0x770 [ 51.714311] copy_net_ns+0x321/0x770 [ 51.715043] create_new_namespaces+0x3f6/0xb30 [ 51.715900] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.716811] ksys_unshare+0x44d/0x8e0 [ 51.717553] ? __pfx_ksys_unshare+0x10/0x10 [ 51.718323] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.719191] __x64_sys_unshare+0x31/0x40 [ 51.719833] do_syscall_64+0x3f/0x90 [ 51.720385] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.721164] RIP: 0033:0x7fec554910d7 [ 51.721741] 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 [ 51.724099] RSP: 002b:00007ffe1fac4578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.725180] RAX: ffffffffffffffda RBX: 00007ffe1fac4bb8 RCX: 00007fec554910d7 [ 51.726203] RDX: 00007fec554fb41f RSI: 00007ffe1fac4510 RDI: 0000000040000000 [ 51.727208] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe1fac4320 [ 51.728323] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fec555a3bf0 [ 51.729506] R13: 00007ffe1fac4650 R14: 0000000000000000 R15: 00000000000000f8 [ 51.730693] [ 51.731085] irq event stamp: 11583 [ 51.731691] hardirqs last enabled at (11595): [] __up_console_sem+0x78/0x80 [ 51.733073] hardirqs last disabled at (11606): [] __up_console_sem+0x5d/0x80 [ 51.734455] softirqs last enabled at (10956): [] irq_exit_rcu+0x93/0xc0 [ 51.735814] softirqs last disabled at (10935): [] irq_exit_rcu+0x93/0xc0 [ 51.736826] ---[ end trace 0000000000000000 ]--- [ 51.738160] ------------[ cut here ]------------ [ 51.738761] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.740738] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.742005] Modules linked in: [ 51.742520] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.743867] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.745100] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.745939] 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 [ 51.748768] RSP: 0018:ffff888017f37bf0 EFLAGS: 00010286 [ 51.749665] RAX: 0000000000000000 RBX: ffff88800dd0ae40 RCX: 0000000000000000 [ 51.750799] RDX: ffff8880162fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.751957] RBP: ffff88800dd0ae54 R08: 0000000000000001 R09: 0000000000000000 [ 51.753128] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.754292] R13: ffffffff84e223a0 R14: ffff88800dd0ae48 R15: ffffffff84daf020 [ 51.755430] FS: 0000555555d5a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.756750] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.757732] CR2: 00007f9315beb6f4 CR3: 0000000016922000 CR4: 0000000000350ef0 [ 51.758867] Call Trace: [ 51.759294] [ 51.759725] nf_ct_net_init+0x224/0x3d0 [ 51.760389] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.761167] ops_init+0xbb/0x6b0 [ 51.761780] setup_net+0x3d9/0x990 [ 51.762371] ? down_read_killable+0x1d7/0x4e0 [ 51.763137] ? __pfx_setup_net+0x10/0x10 [ 51.763836] ? copy_net_ns+0x17c/0x770 [ 51.764448] copy_net_ns+0x321/0x770 [ 51.765137] create_new_namespaces+0x3f6/0xb30 [ 51.765940] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.766770] ksys_unshare+0x44d/0x8e0 [ 51.767412] ? __pfx_ksys_unshare+0x10/0x10 [ 51.768160] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.769132] __x64_sys_unshare+0x31/0x40 [ 51.769848] do_syscall_64+0x3f/0x90 [ 51.770464] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.771329] RIP: 0033:0x7fec554910d7 [ 51.771963] 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 [ 51.774809] RSP: 002b:00007ffe1fac4578 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.776025] RAX: ffffffffffffffda RBX: 00007ffe1fac4bb8 RCX: 00007fec554910d7 [ 51.777195] RDX: 00007fec554fb41f RSI: 00007ffe1fac4510 RDI: 0000000040000000 [ 51.778339] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe1fac4320 [ 51.779509] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fec555a3bf0 [ 51.780661] R13: 00007ffe1fac4650 R14: 0000000000000000 R15: 00000000000000f8 [ 51.781871] [ 51.782261] irq event stamp: 12421 [ 51.782869] hardirqs last enabled at (12433): [] __up_console_sem+0x78/0x80 [ 51.784245] hardirqs last disabled at (12444): [] __up_console_sem+0x5d/0x80 [ 51.785639] softirqs last enabled at (12394): [] irq_exit_rcu+0x93/0xc0 [ 51.786976] softirqs last disabled at (12385): [] irq_exit_rcu+0x93/0xc0 [ 51.788292] ---[ end trace 0000000000000000 ]--- executing program [ 53.309102] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.356569] Bluetooth: hci0: command 0x041b tx timeout [ 57.405319] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.452550] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:18:16 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888017f375c0 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 0000555555d5a400 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=00007f9315beb6f4 CR3=0000000016922000 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=0000000000000000 RBX=dffffc0000000000 RCX=ffffffff812d4779 RDX=0000000000000024 RSI=0000000000000008 RDI=ffffffff877969c0 RBP=ffff888016e6a558 RSP=ffff888015977608 R8 =0000000000000000 R9 =fffffbfff0ef2d3d R10=ffffffff877969ef R11=1ffffffff0e644ed R12=ffff888016e6a580 R13=ffff888016e6a578 R14=ffffffff85d35b6c R15=ffffffff8792ea98 RIP=ffffffff818112d0 RFL=00000057 [---ZAPC] 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 00007ff729f72700 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=00007f0ecd693780 CR3=000000000e200000 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=00000000000000000000000000ffff00 XMM02=00000000000000000000000000ffff00 XMM03=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=2057202020202020202047203a000034 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000