Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:62102' (ECDSA) to the list of known hosts. 2023/05/17 15:45:58 fuzzer started 2023/05/17 15:45:58 dialing manager at localhost:44319 2023/05/17 15:45:58 checking machine... 2023/05/17 15:45:58 checking revisions... syzkaller login: [ 37.364503] kmemleak: Automatic memory scanning thread ended 2023/05/17 15:45:59 testing simple program... [ 37.430203] cgroup: Unknown subsys name 'net' [ 37.534257] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.350909] audit: type=1400 audit(1684338372.004:6): 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 [ 51.514833] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.516432] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.519098] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.523027] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.525966] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.527132] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.948377] ------------[ cut here ]------------ [ 51.949195] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.950964] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.952003] Modules linked in: [ 51.952414] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.954458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.957118] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.958785] 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 [ 51.961205] RSP: 0018:ffff88801eb8fc00 EFLAGS: 00010282 [ 51.961859] RAX: 0000000000000000 RBX: ffff88801616ec40 RCX: 0000000000000000 [ 51.962693] RDX: ffff888016008000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.963499] RBP: ffff88801616ec54 R08: 0000000000000001 R09: 0000000000000000 [ 51.964340] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.965184] R13: ffffffff84e23fe0 R14: ffff88801616ec48 R15: ffffffff84d74dc0 [ 51.966016] FS: 00005555560ec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.966945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.967670] CR2: 00007fbcc97186f4 CR3: 00000000201c8000 CR4: 0000000000350ee0 [ 51.968608] Call Trace: [ 51.968958] [ 51.969274] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.969955] ipv4_frags_init_net+0x269/0x440 [ 51.970545] ops_init+0xbb/0x6b0 [ 51.971056] setup_net+0x3d9/0x990 [ 51.971535] ? down_read_killable+0x1d7/0x4e0 [ 51.972188] ? __pfx_setup_net+0x10/0x10 [ 51.972755] ? copy_net_ns+0x17c/0x770 [ 51.973289] copy_net_ns+0x321/0x770 [ 51.973848] create_new_namespaces+0x3f6/0xb30 [ 51.974528] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.975277] ksys_unshare+0x44d/0x8e0 [ 51.975901] ? __pfx_ksys_unshare+0x10/0x10 [ 51.976597] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.977310] __x64_sys_unshare+0x31/0x40 [ 51.977857] do_syscall_64+0x3f/0x90 [ 51.978339] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.979021] RIP: 0033:0x7f038b8f80d7 [ 51.979631] 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 [ 51.981666] RSP: 002b:00007fffdc874ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.982515] RAX: ffffffffffffffda RBX: 00007fffdc875528 RCX: 00007f038b8f80d7 [ 51.983359] RDX: 00007f038b96241f RSI: 00007fffdc874e80 RDI: 0000000040000000 [ 51.984204] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdc874c90 [ 51.985043] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f038ba0abf0 [ 51.985969] R13: 00007fffdc874fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.986827] [ 51.987115] irq event stamp: 10119 [ 51.987519] hardirqs last enabled at (10129): [] __up_console_sem+0x78/0x80 [ 51.988595] hardirqs last disabled at (10142): [] __up_console_sem+0x5d/0x80 [ 51.989934] softirqs last enabled at (9914): [] irq_exit_rcu+0x93/0xc0 [ 51.991234] softirqs last disabled at (9909): [] irq_exit_rcu+0x93/0xc0 [ 51.992531] ---[ end trace 0000000000000000 ]--- [ 51.997894] ------------[ cut here ]------------ [ 51.998633] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.000612] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.001935] Modules linked in: [ 52.002424] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.003876] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.005152] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.005985] 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 [ 52.008734] RSP: 0018:ffff88801eb8fc00 EFLAGS: 00010282 [ 52.009548] RAX: 0000000000000000 RBX: ffff88801449ac40 RCX: 0000000000000000 [ 52.010707] RDX: ffff888016008000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.011853] RBP: ffff88801449ac54 R08: 0000000000000001 R09: 0000000000000000 [ 52.012975] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.014093] R13: ffffffff84e23fe0 R14: ffff88801449ac48 R15: ffffffff84da7d60 [ 52.015217] FS: 00005555560ec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.016482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.017418] CR2: 00007fbcc97186f4 CR3: 00000000201c8000 CR4: 0000000000350ee0 [ 52.018551] Call Trace: [ 52.018990] [ 52.019351] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.020163] ipv6_frags_init_net+0x206/0x3c0 [ 52.020888] ops_init+0xbb/0x6b0 [ 52.021446] setup_net+0x3d9/0x990 [ 52.022058] ? down_read_killable+0x1d7/0x4e0 [ 52.022811] ? __pfx_setup_net+0x10/0x10 [ 52.023453] ? copy_net_ns+0x17c/0x770 [ 52.024118] copy_net_ns+0x321/0x770 [ 52.024760] create_new_namespaces+0x3f6/0xb30 [ 52.025435] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.026062] ksys_unshare+0x44d/0x8e0 [ 52.026531] ? __pfx_ksys_unshare+0x10/0x10 [ 52.027085] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.027810] __x64_sys_unshare+0x31/0x40 [ 52.028303] do_syscall_64+0x3f/0x90 [ 52.028784] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.029388] RIP: 0033:0x7f038b8f80d7 [ 52.029859] 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 [ 52.031904] RSP: 002b:00007fffdc874ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.032793] RAX: ffffffffffffffda RBX: 00007fffdc875528 RCX: 00007f038b8f80d7 [ 52.033679] RDX: 00007f038b96241f RSI: 00007fffdc874e80 RDI: 0000000040000000 [ 52.034547] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdc874c90 [ 52.035426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f038ba0abf0 [ 52.036329] R13: 00007fffdc874fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.037412] [ 52.037800] irq event stamp: 11833 [ 52.038312] hardirqs last enabled at (11843): [] __up_console_sem+0x78/0x80 [ 52.039560] hardirqs last disabled at (11854): [] __up_console_sem+0x5d/0x80 [ 52.040865] softirqs last enabled at (11816): [] irq_exit_rcu+0x93/0xc0 [ 52.042083] softirqs last disabled at (11811): [] irq_exit_rcu+0x93/0xc0 [ 52.043283] ---[ end trace 0000000000000000 ]--- [ 52.044805] ------------[ cut here ]------------ [ 52.045461] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.047679] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.048874] Modules linked in: [ 52.049325] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.050625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.051785] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.052524] 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 [ 52.054622] RSP: 0018:ffff88801eb8fbf0 EFLAGS: 00010286 [ 52.055286] RAX: 0000000000000000 RBX: ffff88801449b440 RCX: 0000000000000000 [ 52.056190] RDX: ffff888016008000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.057064] RBP: ffff88801449b454 R08: 0000000000000001 R09: 0000000000000000 [ 52.057938] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.058821] R13: ffffffff84e23fe0 R14: ffff88801449b448 R15: ffffffff84db0aa0 [ 52.059747] FS: 00005555560ec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.060735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.061430] CR2: 00007fbcc97186f4 CR3: 00000000201c8000 CR4: 0000000000350ee0 [ 52.062313] Call Trace: [ 52.062664] [ 52.062959] nf_ct_net_init+0x224/0x3d0 [ 52.063465] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.064099] ops_init+0xbb/0x6b0 [ 52.064550] setup_net+0x3d9/0x990 [ 52.065032] ? down_read_killable+0x1d7/0x4e0 [ 52.065603] ? __pfx_setup_net+0x10/0x10 [ 52.066093] ? copy_net_ns+0x17c/0x770 [ 52.066605] copy_net_ns+0x321/0x770 [ 52.067069] create_new_namespaces+0x3f6/0xb30 [ 52.067682] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.068267] ksys_unshare+0x44d/0x8e0 [ 52.068778] ? __pfx_ksys_unshare+0x10/0x10 [ 52.069416] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.070274] __x64_sys_unshare+0x31/0x40 [ 52.070909] do_syscall_64+0x3f/0x90 [ 52.071467] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.072262] RIP: 0033:0x7f038b8f80d7 [ 52.072805] 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 [ 52.075274] RSP: 002b:00007fffdc874ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.076387] RAX: ffffffffffffffda RBX: 00007fffdc875528 RCX: 00007f038b8f80d7 [ 52.077429] RDX: 00007f038b96241f RSI: 00007fffdc874e80 RDI: 0000000040000000 [ 52.078439] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffdc874c90 [ 52.079466] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f038ba0abf0 [ 52.080529] R13: 00007fffdc874fc0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.081553] [ 52.081914] irq event stamp: 12629 [ 52.082408] hardirqs last enabled at (12639): [] __up_console_sem+0x78/0x80 [ 52.083612] hardirqs last disabled at (12650): [] __up_console_sem+0x5d/0x80 [ 52.084839] softirqs last enabled at (12120): [] irq_exit_rcu+0x93/0xc0 [ 52.086005] softirqs last disabled at (12099): [] irq_exit_rcu+0x93/0xc0 [ 52.087193] ---[ end trace 0000000000000000 ]--- executing program [ 53.601101] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.648940] Bluetooth: hci0: command 0x041b tx timeout [ 57.696682] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.744657] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:46:13 Registers: info registers vcpu 0 RAX=000000000002335f RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007ff2327f5288 CR3=00000000160ea000 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=5dd4d910ec966ca43d4a7a4e8b653bb1 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000114250 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d596800098ca626300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002b RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801eb8f5e0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002b R11=0000000000000001 R12=000000000000002b 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 00005555560ec400 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=00007fbcc97186f4 CR3=00000000201c8000 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=00007fbcc972747000007fbcc9726f20 XMM02=00000000000000000000000000000000 XMM03=756e20796d6d756420736e6f6974706f XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=73253d656d616e6c6165722073253d73 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000