Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45745' (ECDSA) to the list of known hosts. 2023/05/16 19:19:18 fuzzer started 2023/05/16 19:19:19 dialing manager at localhost:35573 2023/05/16 19:19:19 checking machine... 2023/05/16 19:19:19 checking revisions... syzkaller login: [ 36.465133] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:19:19 testing simple program... [ 36.537439] cgroup: Unknown subsys name 'net' [ 36.621877] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.178422] audit: type=1400 audit(1684264772.964:6): 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 [ 51.314056] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.315469] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.319559] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 executing program [ 51.329726] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.332387] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.333523] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.705340] ------------[ cut here ]------------ [ 51.706445] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.708360] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.709407] Modules linked in: [ 51.709817] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.714567] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.715565] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.716232] 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 [ 51.718378] RSP: 0018:ffff88801b49fc00 EFLAGS: 00010282 [ 51.719069] RAX: 0000000000000000 RBX: ffff88800fb72440 RCX: 0000000000000000 [ 51.719912] RDX: ffff88800d881b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.720780] RBP: ffff88800fb72454 R08: 0000000000000001 R09: 0000000000000000 [ 51.721656] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.722538] R13: ffffffff84e223a0 R14: ffff88800fb72448 R15: ffffffff84d73340 [ 51.723423] FS: 0000555556c8e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.724398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.725132] CR2: 00007f90675376f4 CR3: 000000000f13e000 CR4: 0000000000350ef0 [ 51.726002] Call Trace: [ 51.726370] [ 51.726683] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.727333] ipv4_frags_init_net+0x269/0x440 [ 51.727891] ops_init+0xbb/0x6b0 [ 51.728358] setup_net+0x3d9/0x990 [ 51.728807] ? down_read_killable+0x1d7/0x4e0 [ 51.729443] ? __pfx_setup_net+0x10/0x10 [ 51.729975] ? copy_net_ns+0x17c/0x770 [ 51.730480] copy_net_ns+0x321/0x770 [ 51.730981] create_new_namespaces+0x3f6/0xb30 [ 51.731564] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.732200] ksys_unshare+0x44d/0x8e0 [ 51.732684] ? __pfx_ksys_unshare+0x10/0x10 [ 51.733239] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.733960] __x64_sys_unshare+0x31/0x40 [ 51.734480] do_syscall_64+0x3f/0x90 [ 51.734979] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.735606] RIP: 0033:0x7fbaacd8b0d7 [ 51.736084] 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 [ 51.738221] RSP: 002b:00007ffe37b0ca28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.739185] RAX: ffffffffffffffda RBX: 00007ffe37b0d068 RCX: 00007fbaacd8b0d7 [ 51.740064] RDX: 00007fbaacdf541f RSI: 00007ffe37b0c9c0 RDI: 0000000040000000 [ 51.740905] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe37b0c7d0 [ 51.741783] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbaace9dbf0 [ 51.742670] R13: 00007ffe37b0cb00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.743570] [ 51.743864] irq event stamp: 9953 [ 51.744310] hardirqs last enabled at (9965): [] __up_console_sem+0x78/0x80 [ 51.745351] hardirqs last disabled at (9976): [] __up_console_sem+0x5d/0x80 [ 51.746409] softirqs last enabled at (9716): [] irq_exit_rcu+0x93/0xc0 [ 51.747421] softirqs last disabled at (9705): [] irq_exit_rcu+0x93/0xc0 [ 51.748425] ---[ end trace 0000000000000000 ]--- [ 51.753314] ------------[ cut here ]------------ [ 51.753890] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.755556] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.756685] Modules linked in: [ 51.757124] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.758309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.759352] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.760030] 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 [ 51.762190] RSP: 0018:ffff88801b49fc00 EFLAGS: 00010282 [ 51.762859] RAX: 0000000000000000 RBX: ffff88800df69e40 RCX: 0000000000000000 [ 51.763754] RDX: ffff88800d881b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.764634] RBP: ffff88800df69e54 R08: 0000000000000001 R09: 0000000000000000 [ 51.765508] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.766398] R13: ffffffff84e223a0 R14: ffff88800df69e48 R15: ffffffff84da62e0 [ 51.767324] FS: 0000555556c8e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.768315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.769053] CR2: 00007f90675376f4 CR3: 000000000f13e000 CR4: 0000000000350ef0 [ 51.769917] Call Trace: [ 51.770272] [ 51.770586] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.771220] ipv6_frags_init_net+0x206/0x3c0 [ 51.771773] ops_init+0xbb/0x6b0 [ 51.772242] setup_net+0x3d9/0x990 [ 51.772690] ? down_read_killable+0x1d7/0x4e0 [ 51.773310] ? __pfx_setup_net+0x10/0x10 [ 51.773827] ? copy_net_ns+0x17c/0x770 [ 51.774380] copy_net_ns+0x321/0x770 [ 51.774882] create_new_namespaces+0x3f6/0xb30 [ 51.775504] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.776163] ksys_unshare+0x44d/0x8e0 [ 51.776664] ? __pfx_ksys_unshare+0x10/0x10 [ 51.777252] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.778014] __x64_sys_unshare+0x31/0x40 [ 51.778572] do_syscall_64+0x3f/0x90 [ 51.779088] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.779735] RIP: 0033:0x7fbaacd8b0d7 [ 51.780233] 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 [ 51.782483] RSP: 002b:00007ffe37b0ca28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.783463] RAX: ffffffffffffffda RBX: 00007ffe37b0d068 RCX: 00007fbaacd8b0d7 [ 51.784378] RDX: 00007fbaacdf541f RSI: 00007ffe37b0c9c0 RDI: 0000000040000000 [ 51.785288] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe37b0c7d0 [ 51.786203] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbaace9dbf0 [ 51.787128] R13: 00007ffe37b0cb00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.788063] [ 51.788371] irq event stamp: 11525 [ 51.788821] hardirqs last enabled at (11535): [] __up_console_sem+0x78/0x80 [ 51.789919] hardirqs last disabled at (11546): [] __up_console_sem+0x5d/0x80 [ 51.791049] softirqs last enabled at (11086): [] irq_exit_rcu+0x93/0xc0 [ 51.792117] softirqs last disabled at (11081): [] irq_exit_rcu+0x93/0xc0 [ 51.793174] ---[ end trace 0000000000000000 ]--- [ 51.794498] ------------[ cut here ]------------ [ 51.795119] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.797067] WARNING: CPU: 0 PID: 256 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.798142] Modules linked in: [ 51.798584] CPU: 0 PID: 256 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.799776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.800820] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.801506] 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 [ 51.803746] RSP: 0018:ffff88801b49fbf0 EFLAGS: 00010286 [ 51.804446] RAX: 0000000000000000 RBX: ffff88800df68840 RCX: 0000000000000000 [ 51.805348] RDX: ffff88800d881b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.806263] RBP: ffff88800df68854 R08: 0000000000000001 R09: 0000000000000000 [ 51.807171] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.808048] R13: ffffffff84e223a0 R14: ffff88800df68848 R15: ffffffff84daf020 [ 51.808892] FS: 0000555556c8e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.809870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.810606] CR2: 00007f90675376f4 CR3: 000000000f13e000 CR4: 0000000000350ef0 [ 51.811480] Call Trace: [ 51.811800] [ 51.812124] nf_ct_net_init+0x224/0x3d0 [ 51.812631] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.813221] ops_init+0xbb/0x6b0 [ 51.813665] setup_net+0x3d9/0x990 [ 51.814136] ? down_read_killable+0x1d7/0x4e0 [ 51.814727] ? __pfx_setup_net+0x10/0x10 [ 51.815285] ? copy_net_ns+0x17c/0x770 [ 51.815827] copy_net_ns+0x321/0x770 [ 51.816360] create_new_namespaces+0x3f6/0xb30 [ 51.816978] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.817627] ksys_unshare+0x44d/0x8e0 [ 51.818142] ? __pfx_ksys_unshare+0x10/0x10 [ 51.818697] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.819433] __x64_sys_unshare+0x31/0x40 [ 51.819979] do_syscall_64+0x3f/0x90 [ 51.820452] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.821150] RIP: 0033:0x7fbaacd8b0d7 [ 51.821630] 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 [ 51.823897] RSP: 002b:00007ffe37b0ca28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.824859] RAX: ffffffffffffffda RBX: 00007ffe37b0d068 RCX: 00007fbaacd8b0d7 [ 51.825737] RDX: 00007fbaacdf541f RSI: 00007ffe37b0c9c0 RDI: 0000000040000000 [ 51.826622] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe37b0c7d0 [ 51.827564] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbaace9dbf0 [ 51.828479] R13: 00007ffe37b0cb00 R14: 0000000000000000 R15: 00000000000000f8 [ 51.829416] [ 51.829721] irq event stamp: 12263 [ 51.830181] hardirqs last enabled at (12275): [] __up_console_sem+0x78/0x80 [ 51.831291] hardirqs last disabled at (12286): [] __up_console_sem+0x5d/0x80 [ 51.832336] softirqs last enabled at (12170): [] irq_exit_rcu+0x93/0xc0 [ 51.833423] softirqs last disabled at (12165): [] irq_exit_rcu+0x93/0xc0 [ 51.834517] ---[ end trace 0000000000000000 ]--- [ 53.393622] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.441000] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.489017] Bluetooth: hci0: command 0x040f tx timeout [ 59.537093] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:19:34 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801b49f5f0 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 0000555556c8e400 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=00007f90675376f4 CR3=000000000f13e000 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=00000000000262db 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=00007f64990948c0 CR3=000000000e1d8000 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=2034333a39313a39312036312079614d XMM01=5d3036333830372e31352020205b203a XMM02=74656e20746120363532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120363532203a4449 XMM06=57205d3036333830372e31352020205b XMM07=79732034333a39313a39312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000