Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:62632' (ECDSA) to the list of known hosts. 2023/05/16 19:40:32 fuzzer started 2023/05/16 19:40:33 dialing manager at localhost:35573 2023/05/16 19:40:33 checking machine... 2023/05/16 19:40:33 checking revisions... syzkaller login: [ 43.221682] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:40:33 testing simple program... [ 43.288619] cgroup: Unknown subsys name 'net' [ 43.375478] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.052241] audit: type=1400 audit(1684266046.224:6): 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 [ 57.279286] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.281345] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.283146] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.287317] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.291098] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.293285] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.735707] ------------[ cut here ]------------ [ 57.736591] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.738815] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.740185] Modules linked in: [ 57.740737] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.745843] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.747167] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.747884] 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 [ 57.750438] RSP: 0018:ffff888015897c00 EFLAGS: 00010282 [ 57.751227] RAX: 0000000000000000 RBX: ffff88800dd7fc40 RCX: 0000000000000000 [ 57.752212] RDX: ffff88800967d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.753208] RBP: ffff88800dd7fc54 R08: 0000000000000001 R09: 0000000000000000 [ 57.754186] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 57.755167] R13: ffffffff84e223a0 R14: ffff88800dd7fc48 R15: ffffffff84d73340 [ 57.756150] FS: 0000555556a86400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.757261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.758078] CR2: 00007fff077dc000 CR3: 000000001635a000 CR4: 0000000000350ee0 [ 57.759061] Call Trace: [ 57.759423] [ 57.759754] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.760493] ipv4_frags_init_net+0x269/0x440 [ 57.761145] ops_init+0xbb/0x6b0 [ 57.761638] setup_net+0x3d9/0x990 [ 57.762177] ? down_read_killable+0x1d7/0x4e0 [ 57.762804] ? __pfx_setup_net+0x10/0x10 [ 57.763404] ? copy_net_ns+0x17c/0x770 [ 57.763996] copy_net_ns+0x321/0x770 [ 57.764533] create_new_namespaces+0x3f6/0xb30 [ 57.765202] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.765878] ksys_unshare+0x44d/0x8e0 [ 57.766520] ? __pfx_ksys_unshare+0x10/0x10 [ 57.767145] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.767920] __x64_sys_unshare+0x31/0x40 [ 57.768538] do_syscall_64+0x3f/0x90 [ 57.769092] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.769786] RIP: 0033:0x7fdb723e80d7 [ 57.770347] 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 [ 57.772749] RSP: 002b:00007ffd92d53248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.773791] RAX: ffffffffffffffda RBX: 00007ffd92d53888 RCX: 00007fdb723e80d7 [ 57.774769] RDX: 00007fdb7245241f RSI: 00007ffd92d531e0 RDI: 0000000040000000 [ 57.775748] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd92d52ff0 [ 57.776763] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdb724fabf0 [ 57.777771] R13: 00007ffd92d53320 R14: 0000000000000000 R15: 00000000000000f8 [ 57.778794] [ 57.779165] irq event stamp: 8797 [ 57.779634] hardirqs last enabled at (8807): [] __up_console_sem+0x78/0x80 [ 57.780817] hardirqs last disabled at (8818): [] __up_console_sem+0x5d/0x80 [ 57.781982] softirqs last enabled at (8380): [] irq_exit_rcu+0x93/0xc0 [ 57.783122] softirqs last disabled at (8369): [] irq_exit_rcu+0x93/0xc0 [ 57.784252] ---[ end trace 0000000000000000 ]--- [ 57.794773] ------------[ cut here ]------------ [ 57.795580] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.797990] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.799564] Modules linked in: [ 57.800386] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.802153] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.803510] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.804449] 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 [ 57.807244] RSP: 0018:ffff888015897c00 EFLAGS: 00010282 [ 57.808189] RAX: 0000000000000000 RBX: ffff88800edd6440 RCX: 0000000000000000 [ 57.809398] RDX: ffff88800967d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.810606] RBP: ffff88800edd6454 R08: 0000000000000001 R09: 0000000000000000 [ 57.811803] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 57.813043] R13: ffffffff84e223a0 R14: ffff88800edd6448 R15: ffffffff84da62e0 [ 57.814261] FS: 0000555556a86400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.815596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.816624] CR2: 00007f476daf2a60 CR3: 000000001635a000 CR4: 0000000000350ef0 [ 57.817814] Call Trace: [ 57.818268] [ 57.818636] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.819464] ipv6_frags_init_net+0x206/0x3c0 [ 57.820199] ops_init+0xbb/0x6b0 [ 57.820806] setup_net+0x3d9/0x990 [ 57.821435] ? down_read_killable+0x1d7/0x4e0 [ 57.822191] ? __pfx_setup_net+0x10/0x10 [ 57.822810] ? copy_net_ns+0x17c/0x770 [ 57.823479] copy_net_ns+0x321/0x770 [ 57.824080] create_new_namespaces+0x3f6/0xb30 [ 57.824664] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.825292] ksys_unshare+0x44d/0x8e0 [ 57.825765] ? __pfx_ksys_unshare+0x10/0x10 [ 57.826366] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.827165] __x64_sys_unshare+0x31/0x40 [ 57.827696] do_syscall_64+0x3f/0x90 [ 57.828240] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.828931] RIP: 0033:0x7fdb723e80d7 [ 57.829458] 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 [ 57.831770] RSP: 002b:00007ffd92d53248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.832759] RAX: ffffffffffffffda RBX: 00007ffd92d53888 RCX: 00007fdb723e80d7 [ 57.833681] RDX: 00007fdb7245241f RSI: 00007ffd92d531e0 RDI: 0000000040000000 [ 57.834640] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd92d52ff0 [ 57.835611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdb724fabf0 [ 57.836485] R13: 00007ffd92d53320 R14: 0000000000000000 R15: 00000000000000f8 [ 57.837610] [ 57.837922] irq event stamp: 12351 [ 57.838394] hardirqs last enabled at (12363): [] __up_console_sem+0x78/0x80 [ 57.839476] hardirqs last disabled at (12374): [] __up_console_sem+0x5d/0x80 [ 57.840593] softirqs last enabled at (12190): [] irq_exit_rcu+0x93/0xc0 [ 57.841645] softirqs last disabled at (12183): [] irq_exit_rcu+0x93/0xc0 [ 57.842694] ---[ end trace 0000000000000000 ]--- [ 57.844139] ------------[ cut here ]------------ [ 57.844741] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.846626] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.847708] Modules linked in: [ 57.848152] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.849356] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.850377] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.851048] 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 [ 57.853239] RSP: 0018:ffff888015897bf0 EFLAGS: 00010286 [ 57.853903] RAX: 0000000000000000 RBX: ffff888008d58040 RCX: 0000000000000000 [ 57.854792] RDX: ffff88800967d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.855685] RBP: ffff888008d58054 R08: 0000000000000001 R09: 0000000000000000 [ 57.856606] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.857497] R13: ffffffff84e223a0 R14: ffff888008d58048 R15: ffffffff84daf020 [ 57.858396] FS: 0000555556a86400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 57.859412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.860164] CR2: 00007f476daf2a60 CR3: 000000001635a000 CR4: 0000000000350ef0 [ 57.861071] Call Trace: [ 57.861397] [ 57.861692] nf_ct_net_init+0x224/0x3d0 [ 57.862238] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.862805] ops_init+0xbb/0x6b0 [ 57.863282] setup_net+0x3d9/0x990 [ 57.863738] ? down_read_killable+0x1d7/0x4e0 [ 57.864331] ? __pfx_setup_net+0x10/0x10 [ 57.864858] ? copy_net_ns+0x17c/0x770 [ 57.865396] copy_net_ns+0x321/0x770 [ 57.865881] create_new_namespaces+0x3f6/0xb30 [ 57.866504] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.867154] ksys_unshare+0x44d/0x8e0 [ 57.867645] ? __pfx_ksys_unshare+0x10/0x10 [ 57.868237] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.869002] __x64_sys_unshare+0x31/0x40 [ 57.869525] do_syscall_64+0x3f/0x90 [ 57.870034] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.870679] RIP: 0033:0x7fdb723e80d7 [ 57.871175] 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 [ 57.873379] RSP: 002b:00007ffd92d53248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.874337] RAX: ffffffffffffffda RBX: 00007ffd92d53888 RCX: 00007fdb723e80d7 [ 57.875227] RDX: 00007fdb7245241f RSI: 00007ffd92d531e0 RDI: 0000000040000000 [ 57.876118] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd92d52ff0 [ 57.877034] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fdb724fabf0 [ 57.877887] R13: 00007ffd92d53320 R14: 0000000000000000 R15: 00000000000000f8 [ 57.878800] [ 57.879134] irq event stamp: 13159 [ 57.879568] hardirqs last enabled at (13169): [] __up_console_sem+0x78/0x80 [ 57.880658] hardirqs last disabled at (13180): [] __up_console_sem+0x5d/0x80 [ 57.881726] softirqs last enabled at (13120): [] irq_exit_rcu+0x93/0xc0 [ 57.882778] softirqs last disabled at (13115): [] irq_exit_rcu+0x93/0xc0 [ 57.883815] ---[ end trace 0000000000000000 ]--- executing program [ 59.362724] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.410205] Bluetooth: hci0: command 0x041b tx timeout [ 63.458071] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.506073] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:40:41 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000080 RDX=0000000000000006 RSI=00007fff8c485720 RDI=00007fff8c488050 RBP=00007fff8c488050 RSP=00007fff8c485600 R8 =0000000000000000 R9 =0000000000000000 R10=00007fff8c485437 R11=0000000000000000 R12=00007fff8c485720 R13=0000000000000006 R14=0000000000000004 R15=0000000000000000 RIP=0000563fd8c4bd4c RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f476e642900 00000000 00000000 GS =0000 0000000000000000 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=00007f5bda8106f4 CR3=000000000ee12000 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=ffffffffffffff00ffff000000000000 XMM02=000000000000000000ff000000000000 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=117864066a3bf7200000000000112678 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=aebd693a25a7e23600000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880158975f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000064 R11=0000000000000001 R12=0000000000000064 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 0000555556a86400 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=00007fff077dc000 CR3=000000001635a000 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