Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:15624' (ECDSA) to the list of known hosts. 2023/05/17 00:52:15 fuzzer started 2023/05/17 00:52:15 dialing manager at localhost:35573 2023/05/17 00:52:15 checking machine... 2023/05/17 00:52:15 checking revisions... syzkaller login: [ 30.926323] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:52:15 testing simple program... [ 30.997083] cgroup: Unknown subsys name 'net' [ 31.084591] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.182625] audit: type=1400 audit(1684284748.066:6): 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 [ 44.329402] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.330847] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.333184] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.336202] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.338049] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.340181] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.604114] ------------[ cut here ]------------ [ 44.604887] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.606893] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.608035] Modules linked in: [ 44.608322] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.609115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.613256] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.613709] 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 [ 44.615209] RSP: 0018:ffff88801faf7c00 EFLAGS: 00010282 [ 44.615675] RAX: 0000000000000000 RBX: ffff88800f2dc040 RCX: 0000000000000000 [ 44.616365] RDX: ffff888019849b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.617034] RBP: ffff88800f2dc054 R08: 0000000000000001 R09: 0000000000000000 [ 44.617727] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 44.618413] R13: ffffffff84e223a0 R14: ffff88800f2dc048 R15: ffffffff84d73340 [ 44.619087] FS: 00005555566e7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.619871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.620452] CR2: 00007fbe4cdca470 CR3: 000000000d5cc000 CR4: 0000000000350ee0 [ 44.621120] Call Trace: [ 44.621400] [ 44.621632] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 44.622099] ipv4_frags_init_net+0x269/0x440 [ 44.622559] ops_init+0xbb/0x6b0 [ 44.622904] setup_net+0x3d9/0x990 [ 44.623257] ? down_read_killable+0x1d7/0x4e0 [ 44.623727] ? __pfx_setup_net+0x10/0x10 [ 44.624119] ? copy_net_ns+0x17c/0x770 [ 44.624529] copy_net_ns+0x321/0x770 [ 44.624905] create_new_namespaces+0x3f6/0xb30 [ 44.625377] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.625854] ksys_unshare+0x44d/0x8e0 [ 44.626229] ? __pfx_ksys_unshare+0x10/0x10 [ 44.626686] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.627260] __x64_sys_unshare+0x31/0x40 [ 44.627685] do_syscall_64+0x3f/0x90 [ 44.628017] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.628473] RIP: 0033:0x7f24ceaad0d7 [ 44.628786] 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 [ 44.630246] RSP: 002b:00007ffe318925e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.630886] RAX: ffffffffffffffda RBX: 00007ffe31892c28 RCX: 00007f24ceaad0d7 [ 44.631492] RDX: 00007f24ceb1741f RSI: 00007ffe31892580 RDI: 0000000040000000 [ 44.632084] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe31892390 [ 44.632681] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f24cebbfbf0 [ 44.633256] R13: 00007ffe318926c0 R14: 0000000000000000 R15: 00000000000000f8 [ 44.633860] [ 44.634063] irq event stamp: 12271 [ 44.634370] hardirqs last enabled at (12283): [] __up_console_sem+0x78/0x80 [ 44.635074] hardirqs last disabled at (12292): [] __up_console_sem+0x5d/0x80 [ 44.635794] softirqs last enabled at (11788): [] irq_exit_rcu+0x93/0xc0 [ 44.636496] softirqs last disabled at (11761): [] irq_exit_rcu+0x93/0xc0 [ 44.637170] ---[ end trace 0000000000000000 ]--- [ 44.640484] ------------[ cut here ]------------ [ 44.640879] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 44.641956] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.642684] Modules linked in: [ 44.642961] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.643742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.644425] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.644855] 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 [ 44.646254] RSP: 0018:ffff88801faf7c00 EFLAGS: 00010282 [ 44.646698] RAX: 0000000000000000 RBX: ffff88800c629840 RCX: 0000000000000000 [ 44.647256] RDX: ffff888019849b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.647830] RBP: ffff88800c629854 R08: 0000000000000001 R09: 0000000000000000 [ 44.648403] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.648962] R13: ffffffff84e223a0 R14: ffff88800c629848 R15: ffffffff84da62e0 [ 44.649536] FS: 00005555566e7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.650147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.650626] CR2: 00007fbe4cdca470 CR3: 000000000d5cc000 CR4: 0000000000350ee0 [ 44.651214] Call Trace: [ 44.651449] [ 44.651653] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 44.652057] ipv6_frags_init_net+0x206/0x3c0 [ 44.652453] ops_init+0xbb/0x6b0 [ 44.652756] setup_net+0x3d9/0x990 [ 44.653064] ? down_read_killable+0x1d7/0x4e0 [ 44.653465] ? __pfx_setup_net+0x10/0x10 [ 44.653811] ? copy_net_ns+0x17c/0x770 [ 44.654155] copy_net_ns+0x321/0x770 [ 44.654491] create_new_namespaces+0x3f6/0xb30 [ 44.654880] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.655298] ksys_unshare+0x44d/0x8e0 [ 44.655652] ? __pfx_ksys_unshare+0x10/0x10 [ 44.656027] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.656541] __x64_sys_unshare+0x31/0x40 [ 44.656895] do_syscall_64+0x3f/0x90 [ 44.657218] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.657679] RIP: 0033:0x7f24ceaad0d7 [ 44.657996] 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 [ 44.659484] RSP: 002b:00007ffe318925e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.660110] RAX: ffffffffffffffda RBX: 00007ffe31892c28 RCX: 00007f24ceaad0d7 [ 44.660710] RDX: 00007f24ceb1741f RSI: 00007ffe31892580 RDI: 0000000040000000 [ 44.661298] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe31892390 [ 44.661891] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f24cebbfbf0 [ 44.662502] R13: 00007ffe318926c0 R14: 0000000000000000 R15: 00000000000000f8 [ 44.663097] [ 44.663301] irq event stamp: 13789 [ 44.663617] hardirqs last enabled at (13801): [] __up_console_sem+0x78/0x80 [ 44.664328] hardirqs last disabled at (13810): [] __up_console_sem+0x5d/0x80 [ 44.665052] softirqs last enabled at (13318): [] irq_exit_rcu+0x93/0xc0 [ 44.665750] softirqs last disabled at (13313): [] irq_exit_rcu+0x93/0xc0 [ 44.666442] ---[ end trace 0000000000000000 ]--- [ 44.667319] ------------[ cut here ]------------ [ 44.667743] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 44.668985] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.669706] Modules linked in: [ 44.669980] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.670753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.671440] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.671876] 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 [ 44.673327] RSP: 0018:ffff88801faf7bf0 EFLAGS: 00010286 [ 44.673776] RAX: 0000000000000000 RBX: ffff88800cadfe40 RCX: 0000000000000000 [ 44.674374] RDX: ffff888019849b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.674960] RBP: ffff88800cadfe54 R08: 0000000000000001 R09: 0000000000000000 [ 44.675577] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.676156] R13: ffffffff84e223a0 R14: ffff88800cadfe48 R15: ffffffff84daf020 [ 44.676754] FS: 00005555566e7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.677428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.677908] CR2: 00007fbe4cdca470 CR3: 000000000d5cc000 CR4: 0000000000350ee0 [ 44.678511] Call Trace: [ 44.678731] [ 44.678934] nf_ct_net_init+0x224/0x3d0 [ 44.679291] ? __pfx_nf_ct_net_init+0x10/0x10 [ 44.679697] ops_init+0xbb/0x6b0 [ 44.679997] setup_net+0x3d9/0x990 [ 44.680300] ? down_read_killable+0x1d7/0x4e0 [ 44.680696] ? __pfx_setup_net+0x10/0x10 [ 44.681038] ? copy_net_ns+0x17c/0x770 [ 44.681394] copy_net_ns+0x321/0x770 [ 44.681718] create_new_namespaces+0x3f6/0xb30 [ 44.682109] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.682545] ksys_unshare+0x44d/0x8e0 [ 44.682876] ? __pfx_ksys_unshare+0x10/0x10 [ 44.683253] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.683752] __x64_sys_unshare+0x31/0x40 [ 44.684108] do_syscall_64+0x3f/0x90 [ 44.684454] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.684880] RIP: 0033:0x7f24ceaad0d7 [ 44.685187] 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 [ 44.686633] RSP: 002b:00007ffe318925e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.687262] RAX: ffffffffffffffda RBX: 00007ffe31892c28 RCX: 00007f24ceaad0d7 [ 44.687863] RDX: 00007f24ceb1741f RSI: 00007ffe31892580 RDI: 0000000040000000 [ 44.688459] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe31892390 [ 44.689032] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f24cebbfbf0 [ 44.689636] R13: 00007ffe318926c0 R14: 0000000000000000 R15: 00000000000000f8 [ 44.690223] [ 44.690450] irq event stamp: 14525 [ 44.690740] hardirqs last enabled at (14535): [] __up_console_sem+0x78/0x80 [ 44.691468] hardirqs last disabled at (14546): [] __up_console_sem+0x5d/0x80 [ 44.692158] softirqs last enabled at (13318): [] irq_exit_rcu+0x93/0xc0 [ 44.692851] softirqs last disabled at (13313): [] irq_exit_rcu+0x93/0xc0 [ 44.693536] ---[ end trace 0000000000000000 ]--- executing program [ 46.355026] Bluetooth: hci0: command 0x0409 tx timeout [ 48.402705] Bluetooth: hci0: command 0x041b tx timeout executing program [ 50.450438] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.498419] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:52:27 Registers: info registers vcpu 0 RAX=000000000001ad65 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007fbe4ce46068 CR3=0000000016e38000 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=2039323a32353a30302037312079614d XMM01=5d3232333830362e34342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000051 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801faf7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000051 R11=0000000000000001 R12=0000000000000051 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 00005555566e7400 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=00007fbe4cdca470 CR3=000000000d5cc000 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=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