syzkaller login: [ 34.048330] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:11398' (ECDSA) to the list of known hosts. 2023/05/16 13:22:06 fuzzer started 2023/05/16 13:22:06 dialing manager at localhost:35573 2023/05/16 13:22:06 checking machine... 2023/05/16 13:22:06 checking revisions... [ 36.183332] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:22:06 testing simple program... [ 36.251710] cgroup: Unknown subsys name 'net' [ 36.350554] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.682346] audit: type=1400 audit(1684243339.131:6): 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 [ 49.870781] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.872669] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.875616] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.880782] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.882609] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.883901] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.286471] ------------[ cut here ]------------ [ 50.287133] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.288865] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.289924] Modules linked in: [ 50.290327] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.294769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.295782] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.296420] 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 [ 50.298595] RSP: 0018:ffff8880199afc00 EFLAGS: 00010282 [ 50.299273] RAX: 0000000000000000 RBX: ffff88800cb29840 RCX: 0000000000000000 [ 50.300186] RDX: ffff8880131551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.301072] RBP: ffff88800cb29854 R08: 0000000000000001 R09: 0000000000000000 [ 50.301949] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.302822] R13: ffffffff84e223a0 R14: ffff88800cb29848 R15: ffffffff84d73340 [ 50.303671] FS: 0000555556fdd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.304680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.305407] CR2: 00007fff661c7000 CR3: 000000001868a000 CR4: 0000000000350ee0 [ 50.306303] Call Trace: [ 50.306627] [ 50.306948] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.307555] ipv4_frags_init_net+0x269/0x440 [ 50.308135] ops_init+0xbb/0x6b0 [ 50.308597] setup_net+0x3d9/0x990 [ 50.309078] ? down_read_killable+0x1d7/0x4e0 [ 50.309636] ? __pfx_setup_net+0x10/0x10 [ 50.310166] ? copy_net_ns+0x17c/0x770 [ 50.310667] copy_net_ns+0x321/0x770 [ 50.311167] create_new_namespaces+0x3f6/0xb30 [ 50.311784] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.312391] ksys_unshare+0x44d/0x8e0 [ 50.312942] ? __pfx_ksys_unshare+0x10/0x10 [ 50.313488] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.314230] __x64_sys_unshare+0x31/0x40 [ 50.314775] do_syscall_64+0x3f/0x90 [ 50.315246] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.315916] RIP: 0033:0x7f5146cd30d7 [ 50.316381] 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 [ 50.318534] RSP: 002b:00007ffe825e4d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.319464] RAX: ffffffffffffffda RBX: 00007ffe825e53a8 RCX: 00007f5146cd30d7 [ 50.320351] RDX: 00007f5146d3d41f RSI: 00007ffe825e4d00 RDI: 0000000040000000 [ 50.321235] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe825e4b10 [ 50.322119] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5146de5bf0 [ 50.323004] R13: 00007ffe825e4e40 R14: 0000000000000000 R15: 00000000000000f8 [ 50.323907] [ 50.324204] irq event stamp: 8099 [ 50.324646] hardirqs last enabled at (8109): [] __up_console_sem+0x78/0x80 [ 50.325701] hardirqs last disabled at (8120): [] __up_console_sem+0x5d/0x80 [ 50.326745] softirqs last enabled at (7582): [] irq_exit_rcu+0x93/0xc0 [ 50.327763] softirqs last disabled at (7577): [] irq_exit_rcu+0x93/0xc0 [ 50.328790] ---[ end trace 0000000000000000 ]--- [ 50.334182] ------------[ cut here ]------------ [ 50.334793] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.336416] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.337466] Modules linked in: [ 50.337900] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.339038] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.340030] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.340682] 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 [ 50.342840] RSP: 0018:ffff8880199afc00 EFLAGS: 00010282 [ 50.343486] RAX: 0000000000000000 RBX: ffff888008edbc40 RCX: 0000000000000000 [ 50.344388] RDX: ffff8880131551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.345296] RBP: ffff888008edbc54 R08: 0000000000000001 R09: 0000000000000000 [ 50.346181] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.347054] R13: ffffffff84e223a0 R14: ffff888008edbc48 R15: ffffffff84da62e0 [ 50.347931] FS: 0000555556fdd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.348929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.349627] CR2: 00007fff661c7000 CR3: 000000001868a000 CR4: 0000000000350ee0 [ 50.350508] Call Trace: [ 50.350861] [ 50.351155] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.351793] ipv6_frags_init_net+0x206/0x3c0 [ 50.352345] ops_init+0xbb/0x6b0 [ 50.352831] setup_net+0x3d9/0x990 [ 50.353277] ? down_read_killable+0x1d7/0x4e0 [ 50.353872] ? __pfx_setup_net+0x10/0x10 [ 50.354370] ? copy_net_ns+0x17c/0x770 [ 50.354895] copy_net_ns+0x321/0x770 [ 50.355366] create_new_namespaces+0x3f6/0xb30 [ 50.355982] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.356612] ksys_unshare+0x44d/0x8e0 [ 50.357148] ? __pfx_ksys_unshare+0x10/0x10 [ 50.357691] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.358435] __x64_sys_unshare+0x31/0x40 [ 50.358982] do_syscall_64+0x3f/0x90 [ 50.359458] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.360119] RIP: 0033:0x7f5146cd30d7 [ 50.360585] 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 [ 50.362745] RSP: 002b:00007ffe825e4d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.363655] RAX: ffffffffffffffda RBX: 00007ffe825e53a8 RCX: 00007f5146cd30d7 [ 50.364548] RDX: 00007f5146d3d41f RSI: 00007ffe825e4d00 RDI: 0000000040000000 [ 50.365419] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe825e4b10 [ 50.366299] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5146de5bf0 [ 50.367173] R13: 00007ffe825e4e40 R14: 0000000000000000 R15: 00000000000000f8 [ 50.368071] [ 50.368368] irq event stamp: 10007 [ 50.368857] hardirqs last enabled at (10019): [] __up_console_sem+0x78/0x80 [ 50.369905] hardirqs last disabled at (10030): [] __up_console_sem+0x5d/0x80 [ 50.370970] softirqs last enabled at (9610): [] irq_exit_rcu+0x93/0xc0 [ 50.371999] softirqs last disabled at (9605): [] irq_exit_rcu+0x93/0xc0 [ 50.373054] ---[ end trace 0000000000000000 ]--- [ 50.374382] ------------[ cut here ]------------ [ 50.374989] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.376916] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.377963] Modules linked in: [ 50.378364] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.379512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.380509] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.381173] 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 [ 50.383315] RSP: 0018:ffff8880199afbf0 EFLAGS: 00010286 [ 50.383991] RAX: 0000000000000000 RBX: ffff888006859c40 RCX: 0000000000000000 [ 50.384890] RDX: ffff8880131551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.385762] RBP: ffff888006859c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.386611] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.387490] R13: ffffffff84e223a0 R14: ffff888006859c48 R15: ffffffff84daf020 [ 50.388373] FS: 0000555556fdd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.389372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.390103] CR2: 00007fff661c7000 CR3: 000000001868a000 CR4: 0000000000350ee0 [ 50.390973] Call Trace: [ 50.391293] [ 50.391590] nf_ct_net_init+0x224/0x3d0 [ 50.392126] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.392703] ops_init+0xbb/0x6b0 [ 50.393175] setup_net+0x3d9/0x990 [ 50.393622] ? down_read_killable+0x1d7/0x4e0 [ 50.394219] ? __pfx_setup_net+0x10/0x10 [ 50.394751] ? copy_net_ns+0x17c/0x770 [ 50.395256] copy_net_ns+0x321/0x770 [ 50.395760] create_new_namespaces+0x3f6/0xb30 [ 50.396343] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.397004] ksys_unshare+0x44d/0x8e0 [ 50.397490] ? __pfx_ksys_unshare+0x10/0x10 [ 50.398056] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.398795] __x64_sys_unshare+0x31/0x40 [ 50.399311] do_syscall_64+0x3f/0x90 [ 50.399805] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.400438] RIP: 0033:0x7f5146cd30d7 [ 50.400942] 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 [ 50.403087] RSP: 002b:00007ffe825e4d68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.404024] RAX: ffffffffffffffda RBX: 00007ffe825e53a8 RCX: 00007f5146cd30d7 [ 50.404910] RDX: 00007f5146d3d41f RSI: 00007ffe825e4d00 RDI: 0000000040000000 [ 50.405791] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe825e4b10 [ 50.406633] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5146de5bf0 [ 50.407519] R13: 00007ffe825e4e40 R14: 0000000000000000 R15: 00000000000000f8 [ 50.408421] [ 50.408772] irq event stamp: 10755 [ 50.409198] hardirqs last enabled at (10765): [] __up_console_sem+0x78/0x80 [ 50.410255] hardirqs last disabled at (10776): [] __up_console_sem+0x5d/0x80 [ 50.411319] softirqs last enabled at (10726): [] irq_exit_rcu+0x93/0xc0 [ 50.412359] softirqs last disabled at (10721): [] irq_exit_rcu+0x93/0xc0 [ 50.413396] ---[ end trace 0000000000000000 ]--- executing program [ 51.941557] Bluetooth: hci0: command 0x0409 tx timeout [ 53.988792] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.037799] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.084905] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:22:20 Registers: info registers vcpu 0 RAX=000000000001a899 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=00007efd5806d070 CR3=000000000d114000 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=2030323a32323a33312036312079614d XMM01=5d3536383838322e30352020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3536383838322e30352020205b XMM07=79732030323a32323a33312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880199af5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555556fdd400 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=00007fff661c7000 CR3=000000001868a000 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