Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:12345' (ECDSA) to the list of known hosts. 2023/05/17 05:02:45 fuzzer started 2023/05/17 05:02:46 dialing manager at localhost:35573 2023/05/17 05:02:46 checking machine... 2023/05/17 05:02:46 checking revisions... syzkaller login: [ 35.793843] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:02:46 testing simple program... [ 35.860706] cgroup: Unknown subsys name 'net' [ 35.933949] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.950082] audit: type=1400 audit(1684299778.372:6): 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 [ 49.086671] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.089281] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.090801] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.093643] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.094995] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.097471] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.495893] ------------[ cut here ]------------ [ 49.496822] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.498869] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.500167] Modules linked in: [ 49.500788] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.505431] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.506548] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.507267] 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 [ 49.509609] RSP: 0018:ffff888018377c00 EFLAGS: 00010282 [ 49.510358] RAX: 0000000000000000 RBX: ffff88800f4de840 RCX: 0000000000000000 [ 49.511302] RDX: ffff888008d6b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.512269] RBP: ffff88800f4de854 R08: 0000000000000001 R09: 0000000000000000 [ 49.513183] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.514155] R13: ffffffff84e223a0 R14: ffff88800f4de848 R15: ffffffff84d73340 [ 49.515105] FS: 000055555585e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.516163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.516958] CR2: 00007f56045596f4 CR3: 000000000c53c000 CR4: 0000000000350ee0 [ 49.517915] Call Trace: [ 49.518309] [ 49.518628] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.519316] ipv4_frags_init_net+0x269/0x440 [ 49.519934] ops_init+0xbb/0x6b0 [ 49.520517] setup_net+0x3d9/0x990 [ 49.521018] ? down_read_killable+0x1d7/0x4e0 [ 49.521671] ? __pfx_setup_net+0x10/0x10 [ 49.522274] ? copy_net_ns+0x17c/0x770 [ 49.522828] copy_net_ns+0x321/0x770 [ 49.523380] create_new_namespaces+0x3f6/0xb30 [ 49.524018] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.524713] ksys_unshare+0x44d/0x8e0 [ 49.525281] ? __pfx_ksys_unshare+0x10/0x10 [ 49.525880] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.526703] __x64_sys_unshare+0x31/0x40 [ 49.527296] do_syscall_64+0x3f/0x90 [ 49.527813] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.528558] RIP: 0033:0x7f07c0a440d7 [ 49.529061] 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 [ 49.531486] RSP: 002b:00007ffcd48bd488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.532519] RAX: ffffffffffffffda RBX: 00007ffcd48bdac8 RCX: 00007f07c0a440d7 [ 49.533484] RDX: 00007f07c0aae41f RSI: 00007ffcd48bd420 RDI: 0000000040000000 [ 49.534447] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd48bd230 [ 49.535412] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f07c0b56bf0 [ 49.536366] R13: 00007ffcd48bd560 R14: 0000000000000000 R15: 00000000000000f8 [ 49.537363] [ 49.537696] irq event stamp: 11125 [ 49.538180] hardirqs last enabled at (11135): [] __up_console_sem+0x78/0x80 [ 49.539373] hardirqs last disabled at (11148): [] __up_console_sem+0x5d/0x80 [ 49.540547] softirqs last enabled at (10604): [] irq_exit_rcu+0x93/0xc0 [ 49.541708] softirqs last disabled at (10563): [] irq_exit_rcu+0x93/0xc0 [ 49.542891] ---[ end trace 0000000000000000 ]--- [ 49.548527] ------------[ cut here ]------------ [ 49.549185] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.551119] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.552304] Modules linked in: [ 49.552762] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.554279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.555521] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.556407] 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 [ 49.558851] RSP: 0018:ffff888018377c00 EFLAGS: 00010282 [ 49.559615] RAX: 0000000000000000 RBX: ffff88800d6f8440 RCX: 0000000000000000 [ 49.560606] RDX: ffff888008d6b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.561586] RBP: ffff88800d6f8454 R08: 0000000000000001 R09: 0000000000000000 [ 49.562587] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.563585] R13: ffffffff84e223a0 R14: ffff88800d6f8448 R15: ffffffff84da62e0 [ 49.564585] FS: 000055555585e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.565691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.566525] CR2: 00007f56045596f4 CR3: 000000000c53c000 CR4: 0000000000350ee0 [ 49.567524] Call Trace: [ 49.567895] [ 49.568266] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.568951] ipv6_frags_init_net+0x206/0x3c0 [ 49.569611] ops_init+0xbb/0x6b0 [ 49.570130] setup_net+0x3d9/0x990 [ 49.570681] ? down_read_killable+0x1d7/0x4e0 [ 49.571353] ? __pfx_setup_net+0x10/0x10 [ 49.571928] ? copy_net_ns+0x17c/0x770 [ 49.572536] copy_net_ns+0x321/0x770 [ 49.573077] create_new_namespaces+0x3f6/0xb30 [ 49.573768] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.574509] ksys_unshare+0x44d/0x8e0 [ 49.575060] ? __pfx_ksys_unshare+0x10/0x10 [ 49.575712] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.576543] __x64_sys_unshare+0x31/0x40 [ 49.577126] do_syscall_64+0x3f/0x90 [ 49.577700] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.578476] RIP: 0033:0x7f07c0a440d7 [ 49.579002] 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 [ 49.581454] RSP: 002b:00007ffcd48bd488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.582525] RAX: ffffffffffffffda RBX: 00007ffcd48bdac8 RCX: 00007f07c0a440d7 [ 49.583536] RDX: 00007f07c0aae41f RSI: 00007ffcd48bd420 RDI: 0000000040000000 [ 49.584534] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd48bd230 [ 49.585526] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f07c0b56bf0 [ 49.586538] R13: 00007ffcd48bd560 R14: 0000000000000000 R15: 00000000000000f8 [ 49.587562] [ 49.587908] irq event stamp: 12931 [ 49.588441] hardirqs last enabled at (12943): [] __up_console_sem+0x78/0x80 [ 49.589646] hardirqs last disabled at (12954): [] __up_console_sem+0x5d/0x80 [ 49.590854] softirqs last enabled at (12868): [] irq_exit_rcu+0x93/0xc0 [ 49.592010] softirqs last disabled at (12859): [] irq_exit_rcu+0x93/0xc0 [ 49.593165] ---[ end trace 0000000000000000 ]--- [ 49.594666] ------------[ cut here ]------------ [ 49.595353] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.597553] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.598742] Modules linked in: [ 49.599194] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.600477] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.601577] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.602326] 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 [ 49.604683] RSP: 0018:ffff888018377bf0 EFLAGS: 00010286 [ 49.605420] RAX: 0000000000000000 RBX: ffff88800d6f8e40 RCX: 0000000000000000 [ 49.606415] RDX: ffff888008d6b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.607384] RBP: ffff88800d6f8e54 R08: 0000000000000001 R09: 0000000000000000 [ 49.608352] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.609314] R13: ffffffff84e223a0 R14: ffff88800d6f8e48 R15: ffffffff84daf020 [ 49.610290] FS: 000055555585e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.611600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.612594] CR2: 00007f56045596f4 CR3: 000000000c53c000 CR4: 0000000000350ee0 [ 49.613778] Call Trace: [ 49.614275] [ 49.614676] nf_ct_net_init+0x224/0x3d0 [ 49.615411] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.616150] ops_init+0xbb/0x6b0 [ 49.616765] setup_net+0x3d9/0x990 [ 49.617405] ? down_read_killable+0x1d7/0x4e0 [ 49.618176] ? __pfx_setup_net+0x10/0x10 [ 49.618879] ? copy_net_ns+0x17c/0x770 [ 49.619587] copy_net_ns+0x321/0x770 [ 49.620248] create_new_namespaces+0x3f6/0xb30 [ 49.621009] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.621859] ksys_unshare+0x44d/0x8e0 [ 49.622582] ? __pfx_ksys_unshare+0x10/0x10 [ 49.623339] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.624334] __x64_sys_unshare+0x31/0x40 [ 49.625007] do_syscall_64+0x3f/0x90 [ 49.625638] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.626334] RIP: 0033:0x7f07c0a440d7 [ 49.626807] 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 [ 49.628988] RSP: 002b:00007ffcd48bd488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.629956] RAX: ffffffffffffffda RBX: 00007ffcd48bdac8 RCX: 00007f07c0a440d7 [ 49.630869] RDX: 00007f07c0aae41f RSI: 00007ffcd48bd420 RDI: 0000000040000000 [ 49.631761] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd48bd230 [ 49.632658] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f07c0b56bf0 [ 49.633551] R13: 00007ffcd48bd560 R14: 0000000000000000 R15: 00000000000000f8 [ 49.634494] [ 49.634802] irq event stamp: 13723 [ 49.635272] hardirqs last enabled at (13735): [] __up_console_sem+0x78/0x80 [ 49.636476] hardirqs last disabled at (13746): [] __up_console_sem+0x5d/0x80 [ 49.637903] softirqs last enabled at (13436): [] irq_exit_rcu+0x93/0xc0 [ 49.639275] softirqs last disabled at (13431): [] irq_exit_rcu+0x93/0xc0 [ 49.640744] ---[ end trace 0000000000000000 ]--- executing program [ 51.111969] Bluetooth: hci0: command 0x0409 tx timeout [ 53.159906] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.207360] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.255310] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 05:02:59 Registers: info registers vcpu 0 RAX=000000000002b393 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=00007f9b70bd9a80 CR3=000000000e7d4000 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=2039353a32303a35302037312079614d XMM01=5d3838373030352e39342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880183775f0 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 000055555585e400 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=00007f56045596f4 CR3=000000000c53c000 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