syzkaller login: [ 67.402334] sshd (217) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:41862' (ECDSA) to the list of known hosts. 2023/05/17 20:22:55 fuzzer started 2023/05/17 20:22:56 dialing manager at localhost:44319 2023/05/17 20:22:56 checking machine... 2023/05/17 20:22:56 checking revisions... [ 73.740937] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:22:56 testing simple program... [ 73.814058] cgroup: Unknown subsys name 'net' [ 73.906886] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 86.806651] audit: type=1400 audit(1684354989.377:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 87.928093] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.931199] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.932675] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.935446] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.937485] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.938640] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.334317] ------------[ cut here ]------------ [ 88.334976] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 88.336922] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.338005] Modules linked in: [ 88.338413] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 88.343174] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.344180] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.344864] 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 [ 88.347034] RSP: 0018:ffff88801f83fc00 EFLAGS: 00010282 [ 88.347720] RAX: 0000000000000000 RBX: ffff88800f4a6040 RCX: 0000000000000000 [ 88.348584] RDX: ffff888015a69b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 88.349493] RBP: ffff88800f4a6054 R08: 0000000000000001 R09: 0000000000000000 [ 88.350382] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 88.351263] R13: ffffffff84e23fe0 R14: ffff88800f4a6048 R15: ffffffff84d74dc0 [ 88.352147] FS: 0000555555ee4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.353154] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.353896] CR2: 00007f0dfe9356f4 CR3: 000000000e8fa000 CR4: 0000000000350ef0 [ 88.354782] Call Trace: [ 88.355113] [ 88.355406] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 88.356061] ipv4_frags_init_net+0x269/0x440 [ 88.356638] ops_init+0xbb/0x6b0 [ 88.357123] setup_net+0x3d9/0x990 [ 88.357582] ? down_read_killable+0x1d7/0x4e0 [ 88.358184] ? __pfx_setup_net+0x10/0x10 [ 88.358725] ? copy_net_ns+0x17c/0x770 [ 88.359237] copy_net_ns+0x321/0x770 [ 88.359756] create_new_namespaces+0x3f6/0xb30 [ 88.360352] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.361022] ksys_unshare+0x44d/0x8e0 [ 88.361513] ? __pfx_ksys_unshare+0x10/0x10 [ 88.362085] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.362824] __x64_sys_unshare+0x31/0x40 [ 88.363337] do_syscall_64+0x3f/0x90 [ 88.363861] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.364516] RIP: 0033:0x7f21dd32f0d7 [ 88.365026] 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 [ 88.367206] RSP: 002b:00007ffe0e067608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.368165] RAX: ffffffffffffffda RBX: 00007ffe0e067c48 RCX: 00007f21dd32f0d7 [ 88.369210] RDX: 00007f21dd39941f RSI: 00007ffe0e0675a0 RDI: 0000000040000000 [ 88.370298] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0e0673b0 [ 88.371386] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f21dd441bf0 [ 88.372474] R13: 00007ffe0e0676e0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.373605] [ 88.374004] irq event stamp: 9659 [ 88.374512] hardirqs last enabled at (9669): [] __up_console_sem+0x78/0x80 [ 88.375784] hardirqs last disabled at (9680): [] __up_console_sem+0x5d/0x80 [ 88.377075] softirqs last enabled at (9194): [] irq_exit_rcu+0x93/0xc0 [ 88.378337] softirqs last disabled at (9171): [] irq_exit_rcu+0x93/0xc0 [ 88.379594] ---[ end trace 0000000000000000 ]--- [ 88.384941] ------------[ cut here ]------------ [ 88.385549] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 88.387191] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.388267] Modules linked in: [ 88.388680] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 88.389870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.390873] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.391520] 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 [ 88.393722] RSP: 0018:ffff88801f83fc00 EFLAGS: 00010282 [ 88.394380] RAX: 0000000000000000 RBX: ffff88800eee9440 RCX: 0000000000000000 [ 88.395271] RDX: ffff888015a69b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 88.396149] RBP: ffff88800eee9454 R08: 0000000000000001 R09: 0000000000000000 [ 88.397042] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.397913] R13: ffffffff84e23fe0 R14: ffff88800eee9448 R15: ffffffff84da7d60 [ 88.398811] FS: 0000555555ee4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.399803] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.400524] CR2: 00007f0dfe9356f4 CR3: 000000000e8fa000 CR4: 0000000000350ef0 [ 88.401441] Call Trace: [ 88.401792] [ 88.402091] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 88.402733] ipv6_frags_init_net+0x206/0x3c0 [ 88.403296] ops_init+0xbb/0x6b0 [ 88.403773] setup_net+0x3d9/0x990 [ 88.404231] ? down_read_killable+0x1d7/0x4e0 [ 88.404825] ? __pfx_setup_net+0x10/0x10 [ 88.405351] ? copy_net_ns+0x17c/0x770 [ 88.405887] copy_net_ns+0x321/0x770 [ 88.406368] create_new_namespaces+0x3f6/0xb30 [ 88.406983] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.407590] ksys_unshare+0x44d/0x8e0 [ 88.408104] ? __pfx_ksys_unshare+0x10/0x10 [ 88.408645] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.409383] __x64_sys_unshare+0x31/0x40 [ 88.409928] do_syscall_64+0x3f/0x90 [ 88.410404] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.411069] RIP: 0033:0x7f21dd32f0d7 [ 88.411536] 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 [ 88.413723] RSP: 002b:00007ffe0e067608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.414647] RAX: ffffffffffffffda RBX: 00007ffe0e067c48 RCX: 00007f21dd32f0d7 [ 88.415542] RDX: 00007f21dd39941f RSI: 00007ffe0e0675a0 RDI: 0000000040000000 [ 88.416442] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0e0673b0 [ 88.417345] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f21dd441bf0 [ 88.418224] R13: 00007ffe0e0676e0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.419131] [ 88.419430] irq event stamp: 11525 [ 88.419898] hardirqs last enabled at (11547): [] __up_console_sem+0x78/0x80 [ 88.420973] hardirqs last disabled at (11558): [] __up_console_sem+0x5d/0x80 [ 88.422035] softirqs last enabled at (11542): [] irq_exit_rcu+0x93/0xc0 [ 88.423066] softirqs last disabled at (11533): [] irq_exit_rcu+0x93/0xc0 [ 88.424103] ---[ end trace 0000000000000000 ]--- [ 88.425399] ------------[ cut here ]------------ [ 88.426012] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 88.427942] WARNING: CPU: 0 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.429035] Modules linked in: [ 88.429440] CPU: 0 PID: 266 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 88.430594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.431601] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.432273] 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 [ 88.434474] RSP: 0018:ffff88801f83fbf0 EFLAGS: 00010286 [ 88.435148] RAX: 0000000000000000 RBX: ffff88800eee9c40 RCX: 0000000000000000 [ 88.436024] RDX: ffff888015a69b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 88.436917] RBP: ffff88800eee9c54 R08: 0000000000000001 R09: 0000000000000000 [ 88.437804] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.438652] R13: ffffffff84e23fe0 R14: ffff88800eee9c48 R15: ffffffff84db0aa0 [ 88.439544] FS: 0000555555ee4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.440526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.441275] CR2: 00007f0dfe9356f4 CR3: 000000000e8fa000 CR4: 0000000000350ef0 [ 88.442161] Call Trace: [ 88.442486] [ 88.442814] nf_ct_net_init+0x224/0x3d0 [ 88.443331] ? __pfx_nf_ct_net_init+0x10/0x10 [ 88.443955] ops_init+0xbb/0x6b0 [ 88.444410] setup_net+0x3d9/0x990 [ 88.444899] ? down_read_killable+0x1d7/0x4e0 [ 88.445467] ? __pfx_setup_net+0x10/0x10 [ 88.446003] ? copy_net_ns+0x17c/0x770 [ 88.446515] copy_net_ns+0x321/0x770 [ 88.447033] create_new_namespaces+0x3f6/0xb30 [ 88.447627] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.448274] ksys_unshare+0x44d/0x8e0 [ 88.448799] ? __pfx_ksys_unshare+0x10/0x10 [ 88.449386] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.450140] __x64_sys_unshare+0x31/0x40 [ 88.450651] do_syscall_64+0x3f/0x90 [ 88.451155] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.451824] RIP: 0033:0x7f21dd32f0d7 [ 88.452290] 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 [ 88.454459] RSP: 002b:00007ffe0e067608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.455399] RAX: ffffffffffffffda RBX: 00007ffe0e067c48 RCX: 00007f21dd32f0d7 [ 88.456275] RDX: 00007f21dd39941f RSI: 00007ffe0e0675a0 RDI: 0000000040000000 [ 88.457174] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0e0673b0 [ 88.458062] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f21dd441bf0 [ 88.458952] R13: 00007ffe0e0676e0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.459847] [ 88.460150] irq event stamp: 12305 [ 88.460580] hardirqs last enabled at (12315): [] __up_console_sem+0x78/0x80 [ 88.461666] hardirqs last disabled at (12326): [] __up_console_sem+0x5d/0x80 [ 88.462737] softirqs last enabled at (12212): [] irq_exit_rcu+0x93/0xc0 [ 88.463776] softirqs last disabled at (12207): [] irq_exit_rcu+0x93/0xc0 [ 88.464805] ---[ end trace 0000000000000000 ]--- executing program [ 90.012426] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 92.059766] Bluetooth: hci0: command 0x041b tx timeout [ 94.107745] Bluetooth: hci0: command 0x040f tx timeout executing program [ 96.155767] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:22:42 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f83f598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555555ee4400 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=00007f0dfe9356f4 CR3=000000000e8fa000 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=000000000006a569 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=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 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=00007fc6a43b4000 CR3=000000000d79a000 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=2030313a33323a30322037312079614d XMM01=5d3232393633332e38382020205b203a XMM02=74656e20746120363632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120363632203a4449 XMM06=57205d3232393633332e38382020205b XMM07=79732030313a33323a30322037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000