syzkaller login: [ 31.315676] sshd (214) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:65326' (ECDSA) to the list of known hosts. 2023/05/17 07:20:12 fuzzer started 2023/05/17 07:20:12 dialing manager at localhost:35573 2023/05/17 07:20:12 checking machine... 2023/05/17 07:20:12 checking revisions... [ 36.320021] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:20:12 testing simple program... [ 36.385949] cgroup: Unknown subsys name 'net' [ 36.447768] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.804745] audit: type=1400 audit(1684308025.135:6): 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 [ 49.942099] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.943888] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.945450] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.948162] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.950043] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.951572] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.308913] ------------[ cut here ]------------ [ 50.309940] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.312229] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.313834] Modules linked in: [ 50.314464] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.316638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.318117] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.318783] 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 [ 50.320945] RSP: 0018:ffff88801d957c00 EFLAGS: 00010282 [ 50.321611] RAX: 0000000000000000 RBX: ffff888016372440 RCX: 0000000000000000 [ 50.322478] RDX: ffff888016c83680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.323366] RBP: ffff888016372454 R08: 0000000000000001 R09: 0000000000000000 [ 50.324251] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.325196] R13: ffffffff84e223a0 R14: ffff888016372448 R15: ffffffff84d73340 [ 50.326180] FS: 0000555556618400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.327282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.328074] CR2: 00007f7eb5d7b6f4 CR3: 000000000f0e2000 CR4: 0000000000350ef0 [ 50.329059] Call Trace: [ 50.329448] [ 50.329776] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.330474] ipv4_frags_init_net+0x269/0x440 [ 50.331078] ops_init+0xbb/0x6b0 [ 50.331631] setup_net+0x3d9/0x990 [ 50.332131] ? down_read_killable+0x1d7/0x4e0 [ 50.332791] ? __pfx_setup_net+0x10/0x10 [ 50.333371] ? copy_net_ns+0x17c/0x770 [ 50.333930] copy_net_ns+0x321/0x770 [ 50.334497] create_new_namespaces+0x3f6/0xb30 [ 50.335146] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.335868] ksys_unshare+0x44d/0x8e0 [ 50.336437] ? __pfx_ksys_unshare+0x10/0x10 [ 50.337042] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.337862] __x64_sys_unshare+0x31/0x40 [ 50.338462] do_syscall_64+0x3f/0x90 [ 50.338984] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.339768] RIP: 0033:0x7f2e64bf50d7 [ 50.340324] 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 [ 50.342730] RSP: 002b:00007ffe7e012dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.343808] RAX: ffffffffffffffda RBX: 00007ffe7e013418 RCX: 00007f2e64bf50d7 [ 50.344801] RDX: 00007f2e64c5f41f RSI: 00007ffe7e012d70 RDI: 0000000040000000 [ 50.345793] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e012b80 [ 50.346803] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2e64d07bf0 [ 50.347813] R13: 00007ffe7e012eb0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.348823] [ 50.349161] irq event stamp: 7799 [ 50.349657] hardirqs last enabled at (7811): [] __up_console_sem+0x78/0x80 [ 50.350833] hardirqs last disabled at (7822): [] __up_console_sem+0x5d/0x80 [ 50.352046] softirqs last enabled at (7536): [] irq_exit_rcu+0x93/0xc0 [ 50.353236] softirqs last disabled at (7527): [] irq_exit_rcu+0x93/0xc0 [ 50.354427] ---[ end trace 0000000000000000 ]--- [ 50.359830] ------------[ cut here ]------------ [ 50.360528] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.362466] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.363703] Modules linked in: [ 50.364178] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.365497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.366515] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.367163] 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 [ 50.369361] RSP: 0018:ffff88801d957c00 EFLAGS: 00010282 [ 50.370007] RAX: 0000000000000000 RBX: ffff88800eb0d040 RCX: 0000000000000000 [ 50.370897] RDX: ffff888016c83680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.371792] RBP: ffff88800eb0d054 R08: 0000000000000001 R09: 0000000000000000 [ 50.372672] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.373565] R13: ffffffff84e223a0 R14: ffff88800eb0d048 R15: ffffffff84da62e0 [ 50.374446] FS: 0000555556618400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.375576] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.376426] CR2: 00007f7eb5d7b6f4 CR3: 000000000f0e2000 CR4: 0000000000350ef0 [ 50.377462] Call Trace: [ 50.377839] [ 50.378180] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.378913] ipv6_frags_init_net+0x206/0x3c0 [ 50.379622] ops_init+0xbb/0x6b0 [ 50.380139] setup_net+0x3d9/0x990 [ 50.380686] ? down_read_killable+0x1d7/0x4e0 [ 50.381359] ? __pfx_setup_net+0x10/0x10 [ 50.381941] ? copy_net_ns+0x17c/0x770 [ 50.382550] copy_net_ns+0x321/0x770 [ 50.383115] create_new_namespaces+0x3f6/0xb30 [ 50.383815] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.384529] ksys_unshare+0x44d/0x8e0 [ 50.385085] ? __pfx_ksys_unshare+0x10/0x10 [ 50.385720] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.386547] __x64_sys_unshare+0x31/0x40 [ 50.387132] do_syscall_64+0x3f/0x90 [ 50.387711] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.388454] RIP: 0033:0x7f2e64bf50d7 [ 50.388971] 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 [ 50.391389] RSP: 002b:00007ffe7e012dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.392454] RAX: ffffffffffffffda RBX: 00007ffe7e013418 RCX: 00007f2e64bf50d7 [ 50.393450] RDX: 00007f2e64c5f41f RSI: 00007ffe7e012d70 RDI: 0000000040000000 [ 50.394425] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e012b80 [ 50.395414] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2e64d07bf0 [ 50.396423] R13: 00007ffe7e012eb0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.397440] [ 50.397777] irq event stamp: 9439 [ 50.398246] hardirqs last enabled at (9449): [] __up_console_sem+0x78/0x80 [ 50.399442] hardirqs last disabled at (9462): [] __up_console_sem+0x5d/0x80 [ 50.400637] softirqs last enabled at (8948): [] irq_exit_rcu+0x93/0xc0 [ 50.401788] softirqs last disabled at (8943): [] irq_exit_rcu+0x93/0xc0 [ 50.402932] ---[ end trace 0000000000000000 ]--- [ 50.404449] ------------[ cut here ]------------ [ 50.405094] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.407290] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.408473] Modules linked in: [ 50.408929] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.410218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.411338] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.412060] 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 [ 50.414490] RSP: 0018:ffff88801d957bf0 EFLAGS: 00010286 [ 50.415214] RAX: 0000000000000000 RBX: ffff888015af4040 RCX: 0000000000000000 [ 50.416216] RDX: ffff888016c83680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.417198] RBP: ffff888015af4054 R08: 0000000000000001 R09: 0000000000000000 [ 50.418187] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.419183] R13: ffffffff84e223a0 R14: ffff888015af4048 R15: ffffffff84daf020 [ 50.420208] FS: 0000555556618400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.421325] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.422117] CR2: 00007f7eb5d7b6f4 CR3: 000000000f0e2000 CR4: 0000000000350ef0 [ 50.423128] Call Trace: [ 50.423546] [ 50.423892] nf_ct_net_init+0x224/0x3d0 [ 50.424503] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.425142] ops_init+0xbb/0x6b0 [ 50.425666] setup_net+0x3d9/0x990 [ 50.426183] ? down_read_killable+0x1d7/0x4e0 [ 50.426860] ? __pfx_setup_net+0x10/0x10 [ 50.427468] ? copy_net_ns+0x17c/0x770 [ 50.428058] copy_net_ns+0x321/0x770 [ 50.428633] create_new_namespaces+0x3f6/0xb30 [ 50.429324] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.430047] ksys_unshare+0x44d/0x8e0 [ 50.430654] ? __pfx_ksys_unshare+0x10/0x10 [ 50.431335] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.432203] __x64_sys_unshare+0x31/0x40 [ 50.432851] do_syscall_64+0x3f/0x90 [ 50.433442] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.434202] RIP: 0033:0x7f2e64bf50d7 [ 50.434790] 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 [ 50.437406] RSP: 002b:00007ffe7e012dd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.438509] RAX: ffffffffffffffda RBX: 00007ffe7e013418 RCX: 00007f2e64bf50d7 [ 50.439557] RDX: 00007f2e64c5f41f RSI: 00007ffe7e012d70 RDI: 0000000040000000 [ 50.440612] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e012b80 [ 50.441649] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2e64d07bf0 [ 50.442694] R13: 00007ffe7e012eb0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.443803] [ 50.444156] irq event stamp: 10281 [ 50.444710] hardirqs last enabled at (10293): [] __up_console_sem+0x78/0x80 [ 50.445964] hardirqs last disabled at (10304): [] __up_console_sem+0x5d/0x80 [ 50.447236] softirqs last enabled at (10188): [] irq_exit_rcu+0x93/0xc0 [ 50.448488] softirqs last disabled at (10179): [] irq_exit_rcu+0x93/0xc0 [ 50.449717] ---[ end trace 0000000000000000 ]--- executing program [ 52.020414] Bluetooth: hci0: command 0x0409 tx timeout [ 54.067743] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.115353] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.163358] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:20:24 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801d957558 R8 =0000000000000004 R9 =0000000000000010 R10=000000000000000d R11=0000000000000001 R12=0000000000002710 R13=0000000000000060 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 0000555556618400 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=00007f7eb5d7b6f4 CR3=000000000f0e2000 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=000000000002fbd7 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007faab3f501c8 CR3=000000000e5e6000 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=42ea8a29d3f7d9b03748c8c57416f10e XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=b81dd3eaec0b2003000000000013b900 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b8a7b45b779a20ae00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000