Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:55028' (ECDSA) to the list of known hosts. 2023/05/17 00:43:14 fuzzer started 2023/05/17 00:43:15 dialing manager at localhost:35573 2023/05/17 00:43:15 checking machine... 2023/05/17 00:43:15 checking revisions... syzkaller login: [ 53.920558] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:43:15 testing simple program... [ 53.992648] cgroup: Unknown subsys name 'net' [ 54.044762] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 67.039751] audit: type=1400 audit(1684284208.510:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 68.162249] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.163794] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.165589] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.169753] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.171628] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.172768] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.554747] ------------[ cut here ]------------ [ 68.555417] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 68.557161] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.558269] Modules linked in: [ 68.558699] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 68.560644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.564194] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.564853] 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 [ 68.567248] RSP: 0018:ffff88801f59fc00 EFLAGS: 00010282 [ 68.567913] RAX: 0000000000000000 RBX: ffff88800e79f840 RCX: 0000000000000000 [ 68.568957] RDX: ffff88800fccb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 68.569913] RBP: ffff88800e79f854 R08: 0000000000000001 R09: 0000000000000000 [ 68.570838] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 68.571727] R13: ffffffff84e223a0 R14: ffff88800e79f848 R15: ffffffff84d73340 [ 68.572637] FS: 00005555556b9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.573647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.574420] CR2: 00007f0b15f1bb70 CR3: 000000000f672000 CR4: 0000000000350ef0 [ 68.575311] Call Trace: [ 68.575639] [ 68.575941] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 68.576591] ipv4_frags_init_net+0x269/0x440 [ 68.577181] ops_init+0xbb/0x6b0 [ 68.577635] setup_net+0x3d9/0x990 [ 68.578138] ? down_read_killable+0x1d7/0x4e0 [ 68.578714] ? __pfx_setup_net+0x10/0x10 [ 68.579257] ? copy_net_ns+0x17c/0x770 [ 68.579766] copy_net_ns+0x321/0x770 [ 68.580278] create_new_namespaces+0x3f6/0xb30 [ 68.580885] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.581538] ksys_unshare+0x44d/0x8e0 [ 68.582059] ? __pfx_ksys_unshare+0x10/0x10 [ 68.582641] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.583394] __x64_sys_unshare+0x31/0x40 [ 68.583930] do_syscall_64+0x3f/0x90 [ 68.584431] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.585119] RIP: 0033:0x7f698a9280d7 [ 68.585584] 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 [ 68.587752] RSP: 002b:00007ffd2630c2d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.588712] RAX: ffffffffffffffda RBX: 00007ffd2630c918 RCX: 00007f698a9280d7 [ 68.589607] RDX: 00007f698a99241f RSI: 00007ffd2630c270 RDI: 0000000040000000 [ 68.590498] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2630c080 [ 68.591392] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f698aa3abf0 [ 68.592280] R13: 00007ffd2630c3b0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.593217] [ 68.593521] irq event stamp: 8545 [ 68.593944] hardirqs last enabled at (8555): [] __up_console_sem+0x78/0x80 [ 68.595052] hardirqs last disabled at (8568): [] __up_console_sem+0x5d/0x80 [ 68.596113] softirqs last enabled at (8156): [] irq_exit_rcu+0x93/0xc0 [ 68.597152] softirqs last disabled at (8139): [] irq_exit_rcu+0x93/0xc0 [ 68.598198] ---[ end trace 0000000000000000 ]--- [ 68.603758] ------------[ cut here ]------------ [ 68.604433] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 68.606130] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.607189] Modules linked in: [ 68.607598] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 68.608763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.609778] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.610498] 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 [ 68.612662] RSP: 0018:ffff88801f59fc00 EFLAGS: 00010282 [ 68.613404] RAX: 0000000000000000 RBX: ffff888013df7640 RCX: 0000000000000000 [ 68.614352] RDX: ffff88800fccb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 68.615248] RBP: ffff888013df7654 R08: 0000000000000001 R09: 0000000000000000 [ 68.616141] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.616995] R13: ffffffff84e223a0 R14: ffff888013df7648 R15: ffffffff84da62e0 [ 68.617883] FS: 00005555556b9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.618898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.619644] CR2: 00007f0b15f1bb70 CR3: 000000000f672000 CR4: 0000000000350ef0 [ 68.620534] Call Trace: [ 68.620862] [ 68.621198] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 68.621821] ipv6_frags_init_net+0x206/0x3c0 [ 68.622417] ops_init+0xbb/0x6b0 [ 68.622864] setup_net+0x3d9/0x990 [ 68.623357] ? down_read_killable+0x1d7/0x4e0 [ 68.623926] ? __pfx_setup_net+0x10/0x10 [ 68.624463] ? copy_net_ns+0x17c/0x770 [ 68.624973] copy_net_ns+0x321/0x770 [ 68.625490] create_new_namespaces+0x3f6/0xb30 [ 68.626135] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.626773] ksys_unshare+0x44d/0x8e0 [ 68.627306] ? __pfx_ksys_unshare+0x10/0x10 [ 68.627854] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.628605] __x64_sys_unshare+0x31/0x40 [ 68.629164] do_syscall_64+0x3f/0x90 [ 68.629644] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.630335] RIP: 0033:0x7f698a9280d7 [ 68.630803] 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 [ 68.632985] RSP: 002b:00007ffd2630c2d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.633921] RAX: ffffffffffffffda RBX: 00007ffd2630c918 RCX: 00007f698a9280d7 [ 68.634821] RDX: 00007f698a99241f RSI: 00007ffd2630c270 RDI: 0000000040000000 [ 68.635720] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2630c080 [ 68.636610] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f698aa3abf0 [ 68.637503] R13: 00007ffd2630c3b0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.638441] [ 68.638743] irq event stamp: 10223 [ 68.639209] hardirqs last enabled at (10235): [] __up_console_sem+0x78/0x80 [ 68.640272] hardirqs last disabled at (10246): [] __up_console_sem+0x5d/0x80 [ 68.641339] softirqs last enabled at (9706): [] irq_exit_rcu+0x93/0xc0 [ 68.642387] softirqs last disabled at (9685): [] irq_exit_rcu+0x93/0xc0 [ 68.643428] ---[ end trace 0000000000000000 ]--- [ 68.644758] ------------[ cut here ]------------ [ 68.645412] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.647376] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.648451] Modules linked in: [ 68.648857] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 68.650048] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.651115] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.651765] 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 [ 68.653959] RSP: 0018:ffff88801f59fbf0 EFLAGS: 00010286 [ 68.654672] RAX: 0000000000000000 RBX: ffff888013df7c40 RCX: 0000000000000000 [ 68.655566] RDX: ffff88800fccb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 68.656489] RBP: ffff888013df7c54 R08: 0000000000000001 R09: 0000000000000000 [ 68.657380] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.658265] R13: ffffffff84e223a0 R14: ffff888013df7c48 R15: ffffffff84daf020 [ 68.659151] FS: 00005555556b9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.660149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.660858] CR2: 00007f0b15f1bb70 CR3: 000000000f672000 CR4: 0000000000350ef0 [ 68.661753] Call Trace: [ 68.662139] [ 68.662457] nf_ct_net_init+0x224/0x3d0 [ 68.662971] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.663568] ops_init+0xbb/0x6b0 [ 68.664015] setup_net+0x3d9/0x990 [ 68.664500] ? down_read_killable+0x1d7/0x4e0 [ 68.665093] ? __pfx_setup_net+0x10/0x10 [ 68.665604] ? copy_net_ns+0x17c/0x770 [ 68.666150] copy_net_ns+0x321/0x770 [ 68.666645] create_new_namespaces+0x3f6/0xb30 [ 68.667270] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.667886] ksys_unshare+0x44d/0x8e0 [ 68.668412] ? __pfx_ksys_unshare+0x10/0x10 [ 68.668957] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.669699] __x64_sys_unshare+0x31/0x40 [ 68.670257] do_syscall_64+0x3f/0x90 [ 68.670734] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.671417] RIP: 0033:0x7f698a9280d7 [ 68.671881] 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 [ 68.674065] RSP: 002b:00007ffd2630c2d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 68.675062] RAX: ffffffffffffffda RBX: 00007ffd2630c918 RCX: 00007f698a9280d7 [ 68.676098] RDX: 00007f698a99241f RSI: 00007ffd2630c270 RDI: 0000000040000000 [ 68.677147] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2630c080 [ 68.678199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f698aa3abf0 [ 68.679223] R13: 00007ffd2630c3b0 R14: 0000000000000000 R15: 00000000000000f8 [ 68.680294] [ 68.680637] irq event stamp: 10999 [ 68.681174] hardirqs last enabled at (11011): [] __up_console_sem+0x78/0x80 [ 68.682435] hardirqs last disabled at (11022): [] __up_console_sem+0x5d/0x80 [ 68.683679] softirqs last enabled at (10696): [] irq_exit_rcu+0x93/0xc0 [ 68.684879] softirqs last disabled at (10691): [] irq_exit_rcu+0x93/0xc0 [ 68.686084] ---[ end trace 0000000000000000 ]--- executing program [ 70.246718] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 72.294095] Bluetooth: hci0: command 0x041b tx timeout [ 74.342126] Bluetooth: hci0: command 0x040f tx timeout executing program [ 76.390108] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:43:13 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f59f5c0 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 00005555556b9400 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=00007f0b15f1bb70 CR3=000000000f672000 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=0000000000051127 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=00007f75c02ef000 CR3=0000000016b08000 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=2030333a33343a30302037312079614d XMM01=5d3434363036352e38362020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3434363036352e38362020205b20 XMM07=732030333a33343a3030203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000