Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:59911' (ECDSA) to the list of known hosts. 2023/05/18 09:36:34 fuzzer started 2023/05/18 09:36:35 dialing manager at localhost:44319 2023/05/18 09:36:35 checking machine... 2023/05/18 09:36:35 checking revisions... syzkaller login: [ 35.986013] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:36:35 testing simple program... [ 36.042422] cgroup: Unknown subsys name 'net' [ 36.124077] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.199547] audit: type=1400 audit(1684402607.557:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 49.304209] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.306158] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.307013] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.308592] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.309789] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.310489] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.574180] ------------[ cut here ]------------ [ 49.574646] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.575771] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.576468] Modules linked in: [ 49.576814] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.580070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.580733] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.581186] 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 [ 49.582589] RSP: 0018:ffff88802099fc00 EFLAGS: 00010282 [ 49.583017] RAX: 0000000000000000 RBX: ffff88800e1f5c40 RCX: 0000000000000000 [ 49.583601] RDX: ffff888017938000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.584173] RBP: ffff88800e1f5c54 R08: 0000000000000001 R09: 0000000000000000 [ 49.584800] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.585353] R13: ffffffff84e23fe0 R14: ffff88800e1f5c48 R15: ffffffff84d74dc0 [ 49.585932] FS: 00005555555ae400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.586595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.587044] CR2: 00007f5ab08356f4 CR3: 0000000015bc2000 CR4: 0000000000350ef0 [ 49.587640] Call Trace: [ 49.587862] [ 49.588062] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.588482] ipv4_frags_init_net+0x269/0x440 [ 49.588908] ops_init+0xbb/0x6b0 [ 49.589207] setup_net+0x3d9/0x990 [ 49.589506] ? down_read_killable+0x1d7/0x4e0 [ 49.589927] ? __pfx_setup_net+0x10/0x10 [ 49.590273] ? copy_net_ns+0x17c/0x770 [ 49.590651] copy_net_ns+0x321/0x770 [ 49.590953] create_new_namespaces+0x3f6/0xb30 [ 49.591355] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.591809] ksys_unshare+0x44d/0x8e0 [ 49.592145] ? __pfx_ksys_unshare+0x10/0x10 [ 49.592494] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.593005] __x64_sys_unshare+0x31/0x40 [ 49.593329] do_syscall_64+0x3f/0x90 [ 49.593680] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.594126] RIP: 0033:0x7fe1a1e660d7 [ 49.594444] 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 [ 49.595911] RSP: 002b:00007fff9c8dbd28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.596571] RAX: ffffffffffffffda RBX: 00007fff9c8dc368 RCX: 00007fe1a1e660d7 [ 49.597202] RDX: 00007fe1a1ed041f RSI: 00007fff9c8dbcc0 RDI: 0000000040000000 [ 49.597830] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9c8dbad0 [ 49.598412] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1a1f78bf0 [ 49.599029] R13: 00007fff9c8dbe00 R14: 0000000000000000 R15: 00000000000000f8 [ 49.599639] [ 49.599829] irq event stamp: 8223 [ 49.600095] hardirqs last enabled at (8233): [] __up_console_sem+0x78/0x80 [ 49.600842] hardirqs last disabled at (8244): [] __up_console_sem+0x5d/0x80 [ 49.601566] softirqs last enabled at (8174): [] irq_exit_rcu+0x93/0xc0 [ 49.602247] softirqs last disabled at (8165): [] irq_exit_rcu+0x93/0xc0 [ 49.602946] ---[ end trace 0000000000000000 ]--- [ 49.606829] ------------[ cut here ]------------ [ 49.607239] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.608369] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.609158] Modules linked in: [ 49.609454] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.610281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.610975] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.611423] 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 [ 49.612907] RSP: 0018:ffff88802099fc00 EFLAGS: 00010282 [ 49.613333] RAX: 0000000000000000 RBX: ffff88800cd5b640 RCX: 0000000000000000 [ 49.613936] RDX: ffff888017938000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.614504] RBP: ffff88800cd5b654 R08: 0000000000000001 R09: 0000000000000000 [ 49.615118] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.615719] R13: ffffffff84e23fe0 R14: ffff88800cd5b648 R15: ffffffff84da7d60 [ 49.616292] FS: 00005555555ae400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.616988] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.617468] CR2: 00007f5ab08356f4 CR3: 0000000015bc2000 CR4: 0000000000350ef0 [ 49.618067] Call Trace: [ 49.618288] [ 49.618486] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.618921] ipv6_frags_init_net+0x206/0x3c0 [ 49.619296] ops_init+0xbb/0x6b0 [ 49.619618] setup_net+0x3d9/0x990 [ 49.619924] ? down_read_killable+0x1d7/0x4e0 [ 49.620319] ? __pfx_setup_net+0x10/0x10 [ 49.620690] ? copy_net_ns+0x17c/0x770 [ 49.621041] copy_net_ns+0x321/0x770 [ 49.621368] create_new_namespaces+0x3f6/0xb30 [ 49.621794] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.622209] ksys_unshare+0x44d/0x8e0 [ 49.622563] ? __pfx_ksys_unshare+0x10/0x10 [ 49.622934] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.623415] __x64_sys_unshare+0x31/0x40 [ 49.623793] do_syscall_64+0x3f/0x90 [ 49.624117] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.624557] RIP: 0033:0x7fe1a1e660d7 [ 49.624883] 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 [ 49.626377] RSP: 002b:00007fff9c8dbd28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.627056] RAX: ffffffffffffffda RBX: 00007fff9c8dc368 RCX: 00007fe1a1e660d7 [ 49.627648] RDX: 00007fe1a1ed041f RSI: 00007fff9c8dbcc0 RDI: 0000000040000000 [ 49.628225] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9c8dbad0 [ 49.628841] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1a1f78bf0 [ 49.629407] R13: 00007fff9c8dbe00 R14: 0000000000000000 R15: 00000000000000f8 [ 49.630015] [ 49.630228] irq event stamp: 9757 [ 49.630555] hardirqs last enabled at (9769): [] __up_console_sem+0x78/0x80 [ 49.631266] hardirqs last disabled at (9778): [] __up_console_sem+0x5d/0x80 [ 49.632028] softirqs last enabled at (9792): [] irq_exit_rcu+0x93/0xc0 [ 49.632746] softirqs last disabled at (9787): [] irq_exit_rcu+0x93/0xc0 [ 49.633465] ---[ end trace 0000000000000000 ]--- [ 49.634583] ------------[ cut here ]------------ [ 49.634980] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.636588] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.637339] Modules linked in: [ 49.637673] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.638431] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.639113] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.639570] 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 [ 49.641084] RSP: 0018:ffff88802099fbf0 EFLAGS: 00010286 [ 49.641531] RAX: 0000000000000000 RBX: ffff88800e40c240 RCX: 0000000000000000 [ 49.642107] RDX: ffff888017938000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.642736] RBP: ffff88800e40c254 R08: 0000000000000001 R09: 0000000000000000 [ 49.643319] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.643965] R13: ffffffff84e23fe0 R14: ffff88800e40c248 R15: ffffffff84db0aa0 [ 49.644558] FS: 00005555555ae400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.645253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.645779] CR2: 00007f5ab08356f4 CR3: 0000000015bc2000 CR4: 0000000000350ef0 [ 49.646389] Call Trace: [ 49.646652] [ 49.646868] nf_ct_net_init+0x224/0x3d0 [ 49.647234] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.647671] ops_init+0xbb/0x6b0 [ 49.648002] setup_net+0x3d9/0x990 [ 49.648327] ? down_read_killable+0x1d7/0x4e0 [ 49.648754] ? __pfx_setup_net+0x10/0x10 [ 49.649134] ? copy_net_ns+0x17c/0x770 [ 49.649488] copy_net_ns+0x321/0x770 [ 49.649869] create_new_namespaces+0x3f6/0xb30 [ 49.650287] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.650766] ksys_unshare+0x44d/0x8e0 [ 49.651113] ? __pfx_ksys_unshare+0x10/0x10 [ 49.651503] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.652039] __x64_sys_unshare+0x31/0x40 [ 49.652388] do_syscall_64+0x3f/0x90 [ 49.652745] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.653212] RIP: 0033:0x7fe1a1e660d7 [ 49.653545] 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 [ 49.655074] RSP: 002b:00007fff9c8dbd28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.655751] RAX: ffffffffffffffda RBX: 00007fff9c8dc368 RCX: 00007fe1a1e660d7 [ 49.656355] RDX: 00007fe1a1ed041f RSI: 00007fff9c8dbcc0 RDI: 0000000040000000 [ 49.657016] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9c8dbad0 [ 49.657658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1a1f78bf0 [ 49.658255] R13: 00007fff9c8dbe00 R14: 0000000000000000 R15: 00000000000000f8 [ 49.658889] [ 49.659098] irq event stamp: 10737 [ 49.659393] hardirqs last enabled at (10747): [] __up_console_sem+0x78/0x80 [ 49.660147] hardirqs last disabled at (10758): [] __up_console_sem+0x5d/0x80 [ 49.660939] softirqs last enabled at (10248): [] irq_exit_rcu+0x93/0xc0 [ 49.661658] softirqs last disabled at (10049): [] irq_exit_rcu+0x93/0xc0 [ 49.662351] ---[ end trace 0000000000000000 ]--- executing program [ 51.334011] Bluetooth: hci0: command 0x0409 tx timeout [ 53.382145] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.429693] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.478596] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 09:36:48 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802099f5f0 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 00005555555ae400 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=00007f5ab08356f4 CR3=0000000015bc2000 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=0000000000032af9 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f67f753de70 CR3=000000000f67c000 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=2038343a36333a39302038312079614d XMM01=5d3431383637352e39342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000