Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:15722' (ECDSA) to the list of known hosts. 2023/05/16 10:55:21 fuzzer started 2023/05/16 10:55:21 dialing manager at localhost:35573 2023/05/16 10:55:21 checking machine... 2023/05/16 10:55:21 checking revisions... syzkaller login: [ 36.871938] kmemleak: Automatic memory scanning thread ended 2023/05/16 10:55:21 testing simple program... [ 36.939027] cgroup: Unknown subsys name 'net' [ 37.016929] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.885279] audit: type=1400 audit(1684234533.546:6): 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 [ 50.001170] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.002958] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.005726] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.009268] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.011282] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.012368] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.383648] ------------[ cut here ]------------ [ 50.384450] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.386462] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.387744] Modules linked in: [ 50.388239] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.392992] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.394029] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.394710] 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 [ 50.396949] RSP: 0018:ffff88800e3bfc00 EFLAGS: 00010282 [ 50.397642] RAX: 0000000000000000 RBX: ffff88800ee09c40 RCX: 0000000000000000 [ 50.398545] RDX: ffff8880159751c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.399408] RBP: ffff88800ee09c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.400332] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.401270] R13: ffffffff84e223a0 R14: ffff88800ee09c48 R15: ffffffff84d73340 [ 50.402180] FS: 0000555556d15400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.403193] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.403952] CR2: 00007f1d6798a6f4 CR3: 000000000948e000 CR4: 0000000000350ef0 [ 50.404888] Call Trace: [ 50.405229] [ 50.405567] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.406195] ipv4_frags_init_net+0x269/0x440 [ 50.406796] ops_init+0xbb/0x6b0 [ 50.407276] setup_net+0x3d9/0x990 [ 50.407777] ? down_read_killable+0x1d7/0x4e0 [ 50.408374] ? __pfx_setup_net+0x10/0x10 [ 50.408959] ? copy_net_ns+0x17c/0x770 [ 50.409504] copy_net_ns+0x321/0x770 [ 50.409987] create_new_namespaces+0x3f6/0xb30 [ 50.410605] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.411238] ksys_unshare+0x44d/0x8e0 [ 50.411773] ? __pfx_ksys_unshare+0x10/0x10 [ 50.412330] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.413099] __x64_sys_unshare+0x31/0x40 [ 50.413657] do_syscall_64+0x3f/0x90 [ 50.414142] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.414823] RIP: 0033:0x7fa7809b60d7 [ 50.415288] 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 [ 50.417526] RSP: 002b:00007ffd18cc75f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.418507] RAX: ffffffffffffffda RBX: 00007ffd18cc7c38 RCX: 00007fa7809b60d7 [ 50.419386] RDX: 00007fa780a2041f RSI: 00007ffd18cc7590 RDI: 0000000040000000 [ 50.420291] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd18cc73a0 [ 50.421224] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa780ac8bf0 [ 50.422133] R13: 00007ffd18cc76d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.423046] [ 50.423348] irq event stamp: 10295 [ 50.423817] hardirqs last enabled at (10307): [] __up_console_sem+0x78/0x80 [ 50.424926] hardirqs last disabled at (10318): [] __up_console_sem+0x5d/0x80 [ 50.426019] softirqs last enabled at (10222): [] irq_exit_rcu+0x93/0xc0 [ 50.427086] softirqs last disabled at (10217): [] irq_exit_rcu+0x93/0xc0 [ 50.428142] ---[ end trace 0000000000000000 ]--- [ 50.433328] ------------[ cut here ]------------ [ 50.433961] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.435668] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.436766] Modules linked in: [ 50.437185] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.438345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.439361] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.440048] 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 [ 50.442260] RSP: 0018:ffff88800e3bfc00 EFLAGS: 00010282 [ 50.442950] RAX: 0000000000000000 RBX: ffff88800959ac40 RCX: 0000000000000000 [ 50.443865] RDX: ffff8880159751c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.444795] RBP: ffff88800959ac54 R08: 0000000000000001 R09: 0000000000000000 [ 50.445700] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.446616] R13: ffffffff84e223a0 R14: ffff88800959ac48 R15: ffffffff84da62e0 [ 50.447532] FS: 0000555556d15400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.448562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.449295] CR2: 00007f1d6798a6f4 CR3: 000000000948e000 CR4: 0000000000350ef0 [ 50.450209] Call Trace: [ 50.450574] [ 50.450881] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.451534] ipv6_frags_init_net+0x206/0x3c0 [ 50.452107] ops_init+0xbb/0x6b0 [ 50.452609] setup_net+0x3d9/0x990 [ 50.453076] ? down_read_killable+0x1d7/0x4e0 [ 50.453682] ? __pfx_setup_net+0x10/0x10 [ 50.454204] ? copy_net_ns+0x17c/0x770 [ 50.454751] copy_net_ns+0x321/0x770 [ 50.455248] create_new_namespaces+0x3f6/0xb30 [ 50.455880] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.456549] ksys_unshare+0x44d/0x8e0 [ 50.457057] ? __pfx_ksys_unshare+0x10/0x10 [ 50.457650] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.458384] __x64_sys_unshare+0x31/0x40 [ 50.458948] do_syscall_64+0x3f/0x90 [ 50.459471] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.460129] RIP: 0033:0x7fa7809b60d7 [ 50.460644] 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 [ 50.462874] RSP: 002b:00007ffd18cc75f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.463843] RAX: ffffffffffffffda RBX: 00007ffd18cc7c38 RCX: 00007fa7809b60d7 [ 50.464783] RDX: 00007fa780a2041f RSI: 00007ffd18cc7590 RDI: 0000000040000000 [ 50.465700] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd18cc73a0 [ 50.466627] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa780ac8bf0 [ 50.467540] R13: 00007ffd18cc76d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.468464] [ 50.468785] irq event stamp: 11921 [ 50.469222] hardirqs last enabled at (11931): [] __up_console_sem+0x78/0x80 [ 50.470324] hardirqs last disabled at (11942): [] __up_console_sem+0x5d/0x80 [ 50.471435] softirqs last enabled at (11232): [] irq_exit_rcu+0x93/0xc0 [ 50.472527] softirqs last disabled at (11227): [] irq_exit_rcu+0x93/0xc0 [ 50.473602] ---[ end trace 0000000000000000 ]--- [ 50.474943] ------------[ cut here ]------------ [ 50.475690] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.477649] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.478728] Modules linked in: [ 50.479131] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.480281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.481337] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.482037] 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 [ 50.484245] RSP: 0018:ffff88800e3bfbf0 EFLAGS: 00010286 [ 50.484973] RAX: 0000000000000000 RBX: ffff88800959a640 RCX: 0000000000000000 [ 50.485890] RDX: ffff8880159751c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.486801] RBP: ffff88800959a654 R08: 0000000000000001 R09: 0000000000000000 [ 50.487748] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.488675] R13: ffffffff84e223a0 R14: ffff88800959a648 R15: ffffffff84daf020 [ 50.489590] FS: 0000555556d15400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.490610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.491342] CR2: 00007f1d6798a6f4 CR3: 000000000948e000 CR4: 0000000000350ef0 [ 50.492266] Call Trace: [ 50.492657] [ 50.492966] nf_ct_net_init+0x224/0x3d0 [ 50.493519] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.494104] ops_init+0xbb/0x6b0 [ 50.494586] setup_net+0x3d9/0x990 [ 50.495049] ? down_read_killable+0x1d7/0x4e0 [ 50.495660] ? __pfx_setup_net+0x10/0x10 [ 50.496181] ? copy_net_ns+0x17c/0x770 [ 50.496743] copy_net_ns+0x321/0x770 [ 50.497246] create_new_namespaces+0x3f6/0xb30 [ 50.497874] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.498532] ksys_unshare+0x44d/0x8e0 [ 50.499035] ? __pfx_ksys_unshare+0x10/0x10 [ 50.499627] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.500349] __x64_sys_unshare+0x31/0x40 [ 50.500937] do_syscall_64+0x3f/0x90 [ 50.501453] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.502106] RIP: 0033:0x7fa7809b60d7 [ 50.502616] 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 [ 50.504859] RSP: 002b:00007ffd18cc75f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.505839] RAX: ffffffffffffffda RBX: 00007ffd18cc7c38 RCX: 00007fa7809b60d7 [ 50.506748] RDX: 00007fa780a2041f RSI: 00007ffd18cc7590 RDI: 0000000040000000 [ 50.507672] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd18cc73a0 [ 50.508596] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa780ac8bf0 [ 50.509513] R13: 00007ffd18cc76d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.510443] [ 50.510749] irq event stamp: 12755 [ 50.511194] hardirqs last enabled at (12765): [] __up_console_sem+0x78/0x80 [ 50.512282] hardirqs last disabled at (12776): [] __up_console_sem+0x5d/0x80 [ 50.513404] softirqs last enabled at (12380): [] irq_exit_rcu+0x93/0xc0 [ 50.514492] softirqs last disabled at (12375): [] irq_exit_rcu+0x93/0xc0 [ 50.515547] ---[ end trace 0000000000000000 ]--- executing program [ 52.024104] Bluetooth: hci0: command 0x0409 tx timeout [ 54.072507] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.119543] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.167513] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 10:55:34 Registers: info registers vcpu 0 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800e3bf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 0000555556d15400 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=00007f1d6798a6f4 CR3=000000000948e000 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=0000000000022cd3 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=00000202 [-------] 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=00007fb6159a1780 CR3=0000000016436000 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=89fd63c92edbedadc845499a1b27c740 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=84ae8050c9be6c68000000000013bc08 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f5586526eaded30700000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000