syzkaller login: [ 39.656676] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:25644' (ECDSA) to the list of known hosts. 2023/05/18 07:10:18 fuzzer started 2023/05/18 07:10:18 dialing manager at localhost:44319 2023/05/18 07:10:18 checking machine... 2023/05/18 07:10:18 checking revisions... [ 41.556281] kmemleak: Automatic memory scanning thread ended 2023/05/18 07:10:18 testing simple program... [ 41.625594] cgroup: Unknown subsys name 'net' [ 41.694801] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.321142] audit: type=1400 audit(1684393832.551:6): 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 [ 56.415001] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 executing program [ 56.419043] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.420271] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.423867] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.425432] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.427481] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.817436] ------------[ cut here ]------------ [ 56.818098] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.820086] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.821166] Modules linked in: [ 56.821620] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.826459] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.827537] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.828202] 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 [ 56.830453] RSP: 0018:ffff88800efafc00 EFLAGS: 00010282 [ 56.831126] RAX: 0000000000000000 RBX: ffff88800dd54840 RCX: 0000000000000000 [ 56.832049] RDX: ffff888016e21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.832964] RBP: ffff88800dd54854 R08: 0000000000000001 R09: 0000000000000000 [ 56.833893] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.834802] R13: ffffffff84e23fe0 R14: ffff88800dd54848 R15: ffffffff84d74dc0 [ 56.835798] FS: 0000555556720400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.836838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.837617] CR2: 00007f8986d02c10 CR3: 0000000019260000 CR4: 0000000000350ef0 [ 56.838543] Call Trace: [ 56.838884] [ 56.839186] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.839854] ipv4_frags_init_net+0x269/0x440 [ 56.840460] ops_init+0xbb/0x6b0 [ 56.840916] setup_net+0x3d9/0x990 [ 56.841452] ? down_read_killable+0x1d7/0x4e0 [ 56.842042] ? __pfx_setup_net+0x10/0x10 [ 56.842596] ? copy_net_ns+0x17c/0x770 [ 56.843120] copy_net_ns+0x321/0x770 [ 56.843649] create_new_namespaces+0x3f6/0xb30 [ 56.844256] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.844917] ksys_unshare+0x44d/0x8e0 [ 56.845463] ? __pfx_ksys_unshare+0x10/0x10 [ 56.846026] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.846787] __x64_sys_unshare+0x31/0x40 [ 56.847348] do_syscall_64+0x3f/0x90 [ 56.847840] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.848514] RIP: 0033:0x7f54156ac0d7 [ 56.848984] 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 [ 56.851156] RSP: 002b:00007fffef89e178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.852110] RAX: ffffffffffffffda RBX: 00007fffef89e7b8 RCX: 00007f54156ac0d7 [ 56.853015] RDX: 00007f541571641f RSI: 00007fffef89e110 RDI: 0000000040000000 [ 56.853925] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffef89df20 [ 56.854822] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f54157bebf0 [ 56.855705] R13: 00007fffef89e250 R14: 0000000000000000 R15: 00000000000000f8 [ 56.856641] [ 56.856944] irq event stamp: 10351 [ 56.857433] hardirqs last enabled at (10363): [] __up_console_sem+0x78/0x80 [ 56.858493] hardirqs last disabled at (10374): [] __up_console_sem+0x5d/0x80 [ 56.859548] softirqs last enabled at (9998): [] irq_exit_rcu+0x93/0xc0 [ 56.860571] softirqs last disabled at (9993): [] irq_exit_rcu+0x93/0xc0 [ 56.861596] ---[ end trace 0000000000000000 ]--- [ 56.867520] ------------[ cut here ]------------ [ 56.868108] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.869854] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.870908] Modules linked in: [ 56.871352] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.872496] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.873515] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.874164] 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 [ 56.876336] RSP: 0018:ffff88800efafc00 EFLAGS: 00010282 [ 56.876983] RAX: 0000000000000000 RBX: ffff88800d761e40 RCX: 0000000000000000 [ 56.877895] RDX: ffff888016e21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.878768] RBP: ffff88800d761e54 R08: 0000000000000001 R09: 0000000000000000 [ 56.879657] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.880536] R13: ffffffff84e23fe0 R14: ffff88800d761e48 R15: ffffffff84da7d60 [ 56.881435] FS: 0000555556720400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.882418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.883129] CR2: 00007f8986d02c10 CR3: 0000000019260000 CR4: 0000000000350ef0 [ 56.884036] Call Trace: [ 56.884390] [ 56.884695] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.885361] ipv6_frags_init_net+0x206/0x3c0 [ 56.885917] ops_init+0xbb/0x6b0 [ 56.886409] setup_net+0x3d9/0x990 [ 56.886875] ? down_read_killable+0x1d7/0x4e0 [ 56.887486] ? __pfx_setup_net+0x10/0x10 [ 56.888013] ? copy_net_ns+0x17c/0x770 [ 56.888575] copy_net_ns+0x321/0x770 [ 56.889072] create_new_namespaces+0x3f6/0xb30 [ 56.889706] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.890374] ksys_unshare+0x44d/0x8e0 [ 56.890877] ? __pfx_ksys_unshare+0x10/0x10 [ 56.891471] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.892199] __x64_sys_unshare+0x31/0x40 [ 56.892760] do_syscall_64+0x3f/0x90 [ 56.893278] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.893981] RIP: 0033:0x7f54156ac0d7 [ 56.894487] 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 [ 56.896740] RSP: 002b:00007fffef89e178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.897729] RAX: ffffffffffffffda RBX: 00007fffef89e7b8 RCX: 00007f54156ac0d7 [ 56.898639] RDX: 00007f541571641f RSI: 00007fffef89e110 RDI: 0000000040000000 [ 56.899567] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffef89df20 [ 56.900488] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f54157bebf0 [ 56.901417] R13: 00007fffef89e250 R14: 0000000000000000 R15: 00000000000000f8 [ 56.902305] [ 56.902639] irq event stamp: 12083 [ 56.903068] hardirqs last enabled at (12093): [] __up_console_sem+0x78/0x80 [ 56.904143] hardirqs last disabled at (12104): [] __up_console_sem+0x5d/0x80 [ 56.905229] softirqs last enabled at (11578): [] irq_exit_rcu+0x93/0xc0 [ 56.906276] softirqs last disabled at (11537): [] irq_exit_rcu+0x93/0xc0 [ 56.907290] ---[ end trace 0000000000000000 ]--- [ 56.908658] ------------[ cut here ]------------ [ 56.909247] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.911144] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.912196] Modules linked in: [ 56.912624] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.913783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.914793] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.915469] 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 [ 56.917615] RSP: 0018:ffff88800efafbf0 EFLAGS: 00010286 [ 56.918257] RAX: 0000000000000000 RBX: ffff88800d760640 RCX: 0000000000000000 [ 56.919135] RDX: ffff888016e21b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.920008] RBP: ffff88800d760654 R08: 0000000000000001 R09: 0000000000000000 [ 56.920885] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.921774] R13: ffffffff84e23fe0 R14: ffff88800d760648 R15: ffffffff84db0aa0 [ 56.922648] FS: 0000555556720400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.923626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.924355] CR2: 00007f8986d02c10 CR3: 0000000019260000 CR4: 0000000000350ef0 [ 56.925222] Call Trace: [ 56.925593] [ 56.925892] nf_ct_net_init+0x224/0x3d0 [ 56.926432] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.927007] ops_init+0xbb/0x6b0 [ 56.927482] setup_net+0x3d9/0x990 [ 56.927936] ? down_read_killable+0x1d7/0x4e0 [ 56.928530] ? __pfx_setup_net+0x10/0x10 [ 56.929037] ? copy_net_ns+0x17c/0x770 [ 56.929583] copy_net_ns+0x321/0x770 [ 56.930068] create_new_namespaces+0x3f6/0xb30 [ 56.930687] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.931295] ksys_unshare+0x44d/0x8e0 [ 56.931810] ? __pfx_ksys_unshare+0x10/0x10 [ 56.932375] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.933078] __x64_sys_unshare+0x31/0x40 [ 56.933622] do_syscall_64+0x3f/0x90 [ 56.934099] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.934773] RIP: 0033:0x7f54156ac0d7 [ 56.935230] 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 [ 56.937419] RSP: 002b:00007fffef89e178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.938367] RAX: ffffffffffffffda RBX: 00007fffef89e7b8 RCX: 00007f54156ac0d7 [ 56.939234] RDX: 00007f541571641f RSI: 00007fffef89e110 RDI: 0000000040000000 [ 56.940118] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffef89df20 [ 56.941002] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f54157bebf0 [ 56.941892] R13: 00007fffef89e250 R14: 0000000000000000 R15: 00000000000000f8 [ 56.942793] [ 56.943090] irq event stamp: 12873 [ 56.943554] hardirqs last enabled at (12885): [] __up_console_sem+0x78/0x80 [ 56.944614] hardirqs last disabled at (12896): [] __up_console_sem+0x5d/0x80 [ 56.945678] softirqs last enabled at (12572): [] irq_exit_rcu+0x93/0xc0 [ 56.946714] softirqs last disabled at (12567): [] irq_exit_rcu+0x93/0xc0 [ 56.947779] ---[ end trace 0000000000000000 ]--- [ 58.500070] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 60.547386] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.595408] Bluetooth: hci0: command 0x040f tx timeout [ 64.643406] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:10:28 Registers: info registers vcpu 0 RAX=0000000000000054 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800efaf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000054 R11=0000000000000001 R12=0000000000000054 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 0000555556720400 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=00007f8986d02c10 CR3=0000000019260000 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=dffffc0000000000 RBX=ffff888016fa4600 RCX=ffffffff844dad63 RDX=1ffff110011b2acd RSI=ffff888008d91b40 RDI=ffff888008d91ff0 RBP=ffff888008dcfe58 RSP=ffff888008dcfd28 R8 =ffff888008d95668 R9 =ffffed10011b2cb6 R10=ffff888008d965b7 R11=0000000000000001 R12=ffff88806cf396c0 R13=ffff888008d951c0 R14=ffff888008d91fe8 R15=ffff888008d91b40 RIP=ffffffff844dc051 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 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=00007f8986d1ee10 CR3=000000000d824000 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=2034333a30313a37302038312079614d XMM01=5d3032363132382e36352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000