syzkaller login: [ 54.190313] sshd (212) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:24914' (ECDSA) to the list of known hosts. 2023/05/18 04:19:04 fuzzer started 2023/05/18 04:19:04 dialing manager at localhost:44319 2023/05/18 04:19:04 checking machine... 2023/05/18 04:19:04 checking revisions... [ 59.360192] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:19:05 testing simple program... [ 59.436395] cgroup: Unknown subsys name 'net' [ 59.515083] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 71.763712] audit: type=1400 audit(1684383557.462:6): 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 [ 72.874341] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.876135] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.878254] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.882479] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.885345] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.886651] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 73.229264] ------------[ cut here ]------------ [ 73.229697] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 73.230612] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 73.231208] Modules linked in: [ 73.231436] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 73.232076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 73.236039] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 73.236401] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 73.237600] RSP: 0018:ffff888015d7fc00 EFLAGS: 00010282 [ 73.237979] RAX: 0000000000000000 RBX: ffff88800e10f040 RCX: 0000000000000000 [ 73.238492] RDX: ffff888016c88000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 73.239009] RBP: ffff88800e10f054 R08: 0000000000000001 R09: 0000000000000000 [ 73.239503] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 73.240030] R13: ffffffff84e23fe0 R14: ffff88800e10f048 R15: ffffffff84d74dc0 [ 73.240526] FS: 0000555556a2f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 73.241099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.241504] CR2: 00007fa99e0a11f0 CR3: 000000000980e000 CR4: 0000000000350ef0 [ 73.242020] Call Trace: [ 73.242208] [ 73.242375] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 73.242726] ipv4_frags_init_net+0x269/0x440 [ 73.243070] ops_init+0xbb/0x6b0 [ 73.243330] setup_net+0x3d9/0x990 [ 73.243588] ? down_read_killable+0x1d7/0x4e0 [ 73.244235] ? __pfx_setup_net+0x10/0x10 [ 73.244532] ? copy_net_ns+0x17c/0x770 [ 73.244822] copy_net_ns+0x321/0x770 [ 73.245112] create_new_namespaces+0x3f6/0xb30 [ 73.245455] unshare_nsproxy_namespaces+0xc1/0x200 [ 73.245818] ksys_unshare+0x44d/0x8e0 [ 73.246121] ? __pfx_ksys_unshare+0x10/0x10 [ 73.246434] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 73.246844] __x64_sys_unshare+0x31/0x40 [ 73.247159] do_syscall_64+0x3f/0x90 [ 73.247433] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 73.247835] RIP: 0033:0x7f60111670d7 [ 73.248121] 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 [ 73.249389] RSP: 002b:00007ffe55e3afc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 73.249945] RAX: ffffffffffffffda RBX: 00007ffe55e3b608 RCX: 00007f60111670d7 [ 73.250446] RDX: 00007f60111d141f RSI: 00007ffe55e3af60 RDI: 0000000040000000 [ 73.250957] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe55e3ad70 [ 73.251453] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6011279bf0 [ 73.251979] R13: 00007ffe55e3b0a0 R14: 0000000000000000 R15: 00000000000000f8 [ 73.252487] [ 73.252657] irq event stamp: 8833 [ 73.252901] hardirqs last enabled at (8843): [] __up_console_sem+0x78/0x80 [ 73.253513] hardirqs last disabled at (8854): [] __up_console_sem+0x5d/0x80 [ 73.254124] softirqs last enabled at (8350): [] irq_exit_rcu+0x93/0xc0 [ 73.254699] softirqs last disabled at (8345): [] irq_exit_rcu+0x93/0xc0 [ 73.255289] ---[ end trace 0000000000000000 ]--- [ 73.258406] ------------[ cut here ]------------ [ 73.258754] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 73.259688] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 73.260308] Modules linked in: [ 73.260543] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 73.261210] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 73.261778] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 73.262167] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 73.263439] RSP: 0018:ffff888015d7fc00 EFLAGS: 00010282 [ 73.263820] RAX: 0000000000000000 RBX: ffff88800e6e7440 RCX: 0000000000000000 [ 73.264326] RDX: ffff888016c88000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 73.264820] RBP: ffff88800e6e7454 R08: 0000000000000001 R09: 0000000000000000 [ 73.265331] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 73.265825] R13: ffffffff84e23fe0 R14: ffff88800e6e7448 R15: ffffffff84da7d60 [ 73.266334] FS: 0000555556a2f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 73.266894] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.267319] CR2: 00007fa99e0a11f0 CR3: 000000000980e000 CR4: 0000000000350ef0 [ 73.267832] Call Trace: [ 73.268040] [ 73.268210] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 73.268562] ipv6_frags_init_net+0x206/0x3c0 [ 73.268878] ops_init+0xbb/0x6b0 [ 73.269148] setup_net+0x3d9/0x990 [ 73.269410] ? down_read_killable+0x1d7/0x4e0 [ 73.269738] ? __pfx_setup_net+0x10/0x10 [ 73.270046] ? copy_net_ns+0x17c/0x770 [ 73.270340] copy_net_ns+0x321/0x770 [ 73.270617] create_new_namespaces+0x3f6/0xb30 [ 73.270969] unshare_nsproxy_namespaces+0xc1/0x200 [ 73.271325] ksys_unshare+0x44d/0x8e0 [ 73.271605] ? __pfx_ksys_unshare+0x10/0x10 [ 73.271920] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 73.272349] __x64_sys_unshare+0x31/0x40 [ 73.272644] do_syscall_64+0x3f/0x90 [ 73.272912] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 73.273309] RIP: 0033:0x7f60111670d7 [ 73.273573] 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 [ 73.274834] RSP: 002b:00007ffe55e3afc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 73.275373] RAX: ffffffffffffffda RBX: 00007ffe55e3b608 RCX: 00007f60111670d7 [ 73.275884] RDX: 00007f60111d141f RSI: 00007ffe55e3af60 RDI: 0000000040000000 [ 73.276396] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe55e3ad70 [ 73.276881] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6011279bf0 [ 73.277397] R13: 00007ffe55e3b0a0 R14: 0000000000000000 R15: 00000000000000f8 [ 73.277906] [ 73.278094] irq event stamp: 10655 [ 73.278344] hardirqs last enabled at (10665): [] __up_console_sem+0x78/0x80 [ 73.278951] hardirqs last disabled at (10676): [] __up_console_sem+0x5d/0x80 [ 73.279532] softirqs last enabled at (10628): [] irq_exit_rcu+0x93/0xc0 [ 73.280129] softirqs last disabled at (10623): [] irq_exit_rcu+0x93/0xc0 [ 73.280705] ---[ end trace 0000000000000000 ]--- [ 73.281440] ------------[ cut here ]------------ [ 73.281758] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 73.282761] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 73.283334] Modules linked in: [ 73.283557] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 73.284198] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 73.284731] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 73.285099] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 73.286276] RSP: 0018:ffff888015d7fbf0 EFLAGS: 00010286 [ 73.286630] RAX: 0000000000000000 RBX: ffff88800e1bba40 RCX: 0000000000000000 [ 73.287116] RDX: ffff888016c88000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 73.287584] RBP: ffff88800e1bba54 R08: 0000000000000001 R09: 0000000000000000 [ 73.288073] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 73.288539] R13: ffffffff84e23fe0 R14: ffff88800e1bba48 R15: ffffffff84db0aa0 [ 73.289024] FS: 0000555556a2f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 73.289544] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.289962] CR2: 00007fa99e0a11f0 CR3: 000000000980e000 CR4: 0000000000350ef0 [ 73.290448] Call Trace: [ 73.290632] [ 73.290801] nf_ct_net_init+0x224/0x3d0 [ 73.291110] ? __pfx_nf_ct_net_init+0x10/0x10 [ 73.291432] ops_init+0xbb/0x6b0 [ 73.291688] setup_net+0x3d9/0x990 [ 73.291962] ? down_read_killable+0x1d7/0x4e0 [ 73.292278] ? __pfx_setup_net+0x10/0x10 [ 73.292558] ? copy_net_ns+0x17c/0x770 [ 73.292839] copy_net_ns+0x321/0x770 [ 73.293127] create_new_namespaces+0x3f6/0xb30 [ 73.293457] unshare_nsproxy_namespaces+0xc1/0x200 [ 73.293801] ksys_unshare+0x44d/0x8e0 [ 73.294093] ? __pfx_ksys_unshare+0x10/0x10 [ 73.294396] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 73.294792] __x64_sys_unshare+0x31/0x40 [ 73.295101] do_syscall_64+0x3f/0x90 [ 73.295368] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 73.295731] RIP: 0033:0x7f60111670d7 [ 73.296011] 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 [ 73.297220] RSP: 002b:00007ffe55e3afc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 73.297728] RAX: ffffffffffffffda RBX: 00007ffe55e3b608 RCX: 00007f60111670d7 [ 73.298222] RDX: 00007f60111d141f RSI: 00007ffe55e3af60 RDI: 0000000040000000 [ 73.298700] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe55e3ad70 [ 73.299204] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6011279bf0 [ 73.299693] R13: 00007ffe55e3b0a0 R14: 0000000000000000 R15: 00000000000000f8 [ 73.300208] [ 73.300376] irq event stamp: 11359 [ 73.300615] hardirqs last enabled at (11369): [] __up_console_sem+0x78/0x80 [ 73.301201] hardirqs last disabled at (11380): [] __up_console_sem+0x5d/0x80 [ 73.301785] softirqs last enabled at (10628): [] irq_exit_rcu+0x93/0xc0 [ 73.302354] softirqs last disabled at (10623): [] irq_exit_rcu+0x93/0xc0 [ 73.302909] ---[ end trace 0000000000000000 ]--- executing program [ 74.956724] Bluetooth: hci0: command 0x0409 tx timeout [ 77.003996] Bluetooth: hci0: command 0x041b tx timeout executing program [ 79.052064] Bluetooth: hci0: command 0x040f tx timeout executing program [ 81.100000] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:18:56 Registers: info registers vcpu 0 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888015d7f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556a2f400 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=00007fa99e0a11f0 CR3=000000000980e000 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=000000000005de0b RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f38908752a8 CR3=000000000d5a4000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=3533353939382e38342020205b3e3400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000