Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:32862' (ECDSA) to the list of known hosts. 2023/05/17 03:13:39 fuzzer started 2023/05/17 03:13:39 dialing manager at localhost:35573 2023/05/17 03:13:39 checking machine... 2023/05/17 03:13:39 checking revisions... syzkaller login: [ 31.727135] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:13:39 testing simple program... [ 31.804202] cgroup: Unknown subsys name 'net' [ 31.877570] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 44.280982] audit: type=1400 audit(1684293232.508:6): 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 [ 45.402541] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.404411] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.406125] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.408760] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.410290] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.412225] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.790220] ------------[ cut here ]------------ [ 45.791065] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.793122] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.794484] Modules linked in: [ 45.795015] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.798178] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.801075] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.801853] 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 [ 45.804365] RSP: 0018:ffff88801ffbfc00 EFLAGS: 00010282 [ 45.805110] RAX: 0000000000000000 RBX: ffff88800cafe440 RCX: 0000000000000000 [ 45.806118] RDX: ffff88801698b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.807118] RBP: ffff88800cafe454 R08: 0000000000000001 R09: 0000000000000000 [ 45.808147] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.809158] R13: ffffffff84e223a0 R14: ffff88800cafe448 R15: ffffffff84d73340 [ 45.810172] FS: 00005555560fe400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.811302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.812164] CR2: 00007ffa509d06f4 CR3: 000000000e522000 CR4: 0000000000350ee0 [ 45.813201] Call Trace: [ 45.813617] [ 45.813962] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.814702] ipv4_frags_init_net+0x269/0x440 [ 45.815376] ops_init+0xbb/0x6b0 [ 45.815920] setup_net+0x3d9/0x990 [ 45.816476] ? down_read_killable+0x1d7/0x4e0 [ 45.817136] ? __pfx_setup_net+0x10/0x10 [ 45.817758] ? copy_net_ns+0x17c/0x770 [ 45.818375] copy_net_ns+0x321/0x770 [ 45.818931] create_new_namespaces+0x3f6/0xb30 [ 45.819652] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.820399] ksys_unshare+0x44d/0x8e0 [ 45.820966] ? __pfx_ksys_unshare+0x10/0x10 [ 45.821640] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.822500] __x64_sys_unshare+0x31/0x40 [ 45.823100] do_syscall_64+0x3f/0x90 [ 45.823694] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.824474] RIP: 0033:0x7f8bf444c0d7 [ 45.825012] 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 [ 45.827542] RSP: 002b:00007ffd93485ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.828682] RAX: ffffffffffffffda RBX: 00007ffd93486538 RCX: 00007f8bf444c0d7 [ 45.829717] RDX: 00007f8bf44b641f RSI: 00007ffd93485e90 RDI: 0000000040000000 [ 45.830747] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd93485ca0 [ 45.831786] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8bf455ebf0 [ 45.832817] R13: 00007ffd93485fd0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.833878] [ 45.834226] irq event stamp: 8741 [ 45.834750] hardirqs last enabled at (8753): [] __up_console_sem+0x78/0x80 [ 45.835981] hardirqs last disabled at (8764): [] __up_console_sem+0x5d/0x80 [ 45.837209] softirqs last enabled at (8220): [] irq_exit_rcu+0x93/0xc0 [ 45.838416] softirqs last disabled at (8215): [] irq_exit_rcu+0x93/0xc0 [ 45.839630] ---[ end trace 0000000000000000 ]--- [ 45.845542] ------------[ cut here ]------------ [ 45.846239] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.848084] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.849101] Modules linked in: [ 45.849519] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.850604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.851556] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.852175] 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 [ 45.854211] RSP: 0018:ffff88801ffbfc00 EFLAGS: 00010282 [ 45.854850] RAX: 0000000000000000 RBX: ffff888015b2c040 RCX: 0000000000000000 [ 45.855700] RDX: ffff88801698b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.856532] RBP: ffff888015b2c054 R08: 0000000000000001 R09: 0000000000000000 [ 45.857459] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.858395] R13: ffffffff84e223a0 R14: ffff888015b2c048 R15: ffffffff84da62e0 [ 45.859296] FS: 00005555560fe400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.860386] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.861138] CR2: 00007ffa509d06f4 CR3: 000000000e522000 CR4: 0000000000350ee0 [ 45.862175] Call Trace: [ 45.862584] [ 45.862931] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.863673] ipv6_frags_init_net+0x206/0x3c0 [ 45.864318] ops_init+0xbb/0x6b0 [ 45.864859] setup_net+0x3d9/0x990 [ 45.865415] ? down_read_killable+0x1d7/0x4e0 [ 45.866065] ? __pfx_setup_net+0x10/0x10 [ 45.866680] ? copy_net_ns+0x17c/0x770 [ 45.867261] copy_net_ns+0x321/0x770 [ 45.867870] create_new_namespaces+0x3f6/0xb30 [ 45.868589] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.869302] ksys_unshare+0x44d/0x8e0 [ 45.869901] ? __pfx_ksys_unshare+0x10/0x10 [ 45.870564] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.871418] __x64_sys_unshare+0x31/0x40 [ 45.872023] do_syscall_64+0x3f/0x90 [ 45.872579] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.873255] RIP: 0033:0x7f8bf444c0d7 [ 45.873801] 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 [ 45.876241] RSP: 002b:00007ffd93485ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.877279] RAX: ffffffffffffffda RBX: 00007ffd93486538 RCX: 00007f8bf444c0d7 [ 45.878252] RDX: 00007f8bf44b641f RSI: 00007ffd93485e90 RDI: 0000000040000000 [ 45.879263] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd93485ca0 [ 45.880280] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8bf455ebf0 [ 45.881260] R13: 00007ffd93485fd0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.882259] [ 45.882619] irq event stamp: 10437 [ 45.883105] hardirqs last enabled at (10447): [] __up_console_sem+0x78/0x80 [ 45.884372] hardirqs last disabled at (10458): [] __up_console_sem+0x5d/0x80 [ 45.885667] softirqs last enabled at (10396): [] irq_exit_rcu+0x93/0xc0 [ 45.886937] softirqs last disabled at (10383): [] irq_exit_rcu+0x93/0xc0 [ 45.888204] ---[ end trace 0000000000000000 ]--- [ 45.889865] ------------[ cut here ]------------ [ 45.890595] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.892840] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.894128] Modules linked in: [ 45.894647] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.896061] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.897299] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.898099] 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 [ 45.900716] RSP: 0018:ffff88801ffbfbf0 EFLAGS: 00010286 [ 45.901526] RAX: 0000000000000000 RBX: ffff88800d9fcc40 RCX: 0000000000000000 [ 45.902604] RDX: ffff88801698b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.903703] RBP: ffff88800d9fcc54 R08: 0000000000000001 R09: 0000000000000000 [ 45.904789] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.905814] R13: ffffffff84e223a0 R14: ffff88800d9fcc48 R15: ffffffff84daf020 [ 45.906836] FS: 00005555560fe400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.907979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.908845] CR2: 00007ffa509d06f4 CR3: 000000000e522000 CR4: 0000000000350ee0 [ 45.909864] Call Trace: [ 45.910241] [ 45.910620] nf_ct_net_init+0x224/0x3d0 [ 45.911205] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.911921] ops_init+0xbb/0x6b0 [ 45.912463] setup_net+0x3d9/0x990 [ 45.912986] ? down_read_killable+0x1d7/0x4e0 [ 45.913672] ? __pfx_setup_net+0x10/0x10 [ 45.914258] ? copy_net_ns+0x17c/0x770 [ 45.914882] copy_net_ns+0x321/0x770 [ 45.915469] create_new_namespaces+0x3f6/0xb30 [ 45.916155] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.916906] ksys_unshare+0x44d/0x8e0 [ 45.917499] ? __pfx_ksys_unshare+0x10/0x10 [ 45.918078] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.918871] __x64_sys_unshare+0x31/0x40 [ 45.919470] do_syscall_64+0x3f/0x90 [ 45.920001] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.920762] RIP: 0033:0x7f8bf444c0d7 [ 45.921292] 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 [ 45.923791] RSP: 002b:00007ffd93485ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.924885] RAX: ffffffffffffffda RBX: 00007ffd93486538 RCX: 00007f8bf444c0d7 [ 45.925895] RDX: 00007f8bf44b641f RSI: 00007ffd93485e90 RDI: 0000000040000000 [ 45.926919] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd93485ca0 [ 45.927955] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8bf455ebf0 [ 45.928974] R13: 00007ffd93485fd0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.929998] [ 45.930374] irq event stamp: 11279 [ 45.930875] hardirqs last enabled at (11289): [] __up_console_sem+0x78/0x80 [ 45.932124] hardirqs last disabled at (11300): [] __up_console_sem+0x5d/0x80 [ 45.933362] softirqs last enabled at (11138): [] irq_exit_rcu+0x93/0xc0 [ 45.934556] softirqs last disabled at (11129): [] irq_exit_rcu+0x93/0xc0 [ 45.935763] ---[ end trace 0000000000000000 ]--- executing program [ 47.480271] Bluetooth: hci0: command 0x0409 tx timeout [ 49.527647] Bluetooth: hci0: command 0x041b tx timeout executing program [ 51.575432] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.623479] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:13:50 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801a393680 RCX=ffffffff812cd9ff RDX=1ffffffff0ef8cd6 RSI=0000000000000000 RDI=ffffffff844e7b1c RBP=ffffffff844e7b1c RSP=ffff8880166b77b8 R8 =0000000000000001 R9 =fffffbfff0ef2d47 R10=ffffffff87796a3f R11=0000000000000001 R12=ffff888016838000 R13=ffff888008442000 R14=ffff888008440900 R15=ffff8880190a0000 RIP=ffffffff844c3ded RFL=00000046 [---Z-P-] 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 00007f6f28124700 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=00007fd0830043e8 CR3=000000000ea4e000 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=ffff0000000000000000000000000000 XMM02=ffff0000000000000000000000000000 XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=000031232036313530333230322d7478 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ffbf618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000031 R11=0000000000000001 R12=0000000000000031 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 00005555560fe400 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=00007ffa509d06f4 CR3=000000000e522000 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