syzkaller login: [ 33.114436] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:1379' (ECDSA) to the list of known hosts. 2023/05/17 14:39:58 fuzzer started 2023/05/17 14:39:58 dialing manager at localhost:44319 2023/05/17 14:39:58 checking machine... 2023/05/17 14:39:58 checking revisions... [ 38.764340] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:39:58 testing simple program... [ 38.835836] cgroup: Unknown subsys name 'net' [ 38.923129] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 50.364490] audit: type=1400 audit(1684334410.245:6): 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 executing program [ 51.464033] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.466374] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.468191] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.475136] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.476584] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.477918] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.888418] ------------[ cut here ]------------ [ 51.889261] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.891172] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.892471] Modules linked in: [ 51.892906] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.897844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.898890] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.899540] 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 [ 51.901774] RSP: 0018:ffff88800fc47c00 EFLAGS: 00010282 [ 51.902440] RAX: 0000000000000000 RBX: ffff8880160ce040 RCX: 0000000000000000 [ 51.903353] RDX: ffff8880183e51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.904253] RBP: ffff8880160ce054 R08: 0000000000000001 R09: 0000000000000000 [ 51.905172] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.906054] R13: ffffffff84e23fe0 R14: ffff8880160ce048 R15: ffffffff84d74dc0 [ 51.906957] FS: 0000555555a3e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.907956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.908709] CR2: 00007f5fb5b0c6f4 CR3: 0000000016054000 CR4: 0000000000350ee0 [ 51.909567] Call Trace: [ 51.909923] [ 51.910219] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.910863] ipv4_frags_init_net+0x269/0x440 [ 51.911415] ops_init+0xbb/0x6b0 [ 51.911885] setup_net+0x3d9/0x990 [ 51.912360] ? down_read_killable+0x1d7/0x4e0 [ 51.912965] ? __pfx_setup_net+0x10/0x10 [ 51.913474] ? copy_net_ns+0x17c/0x770 [ 51.914003] copy_net_ns+0x321/0x770 [ 51.914482] create_new_namespaces+0x3f6/0xb30 [ 51.915094] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.915726] ksys_unshare+0x44d/0x8e0 [ 51.916211] ? __pfx_ksys_unshare+0x10/0x10 [ 51.916800] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.917519] __x64_sys_unshare+0x31/0x40 [ 51.918057] do_syscall_64+0x3f/0x90 [ 51.918536] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.919210] RIP: 0033:0x7f3f6b53a0d7 [ 51.919708] 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 [ 51.921901] RSP: 002b:00007ffe58197038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.922846] RAX: ffffffffffffffda RBX: 00007ffe58197678 RCX: 00007f3f6b53a0d7 [ 51.923727] RDX: 00007f3f6b5a441f RSI: 00007ffe58196fd0 RDI: 0000000040000000 [ 51.924584] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58196de0 [ 51.925471] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3f6b64cbf0 [ 51.926341] R13: 00007ffe58197110 R14: 0000000000000000 R15: 00000000000000f8 [ 51.927244] [ 51.927542] irq event stamp: 9395 [ 51.927994] hardirqs last enabled at (9407): [] __up_console_sem+0x78/0x80 [ 51.929073] hardirqs last disabled at (9418): [] __up_console_sem+0x5d/0x80 [ 51.930136] softirqs last enabled at (9236): [] irq_exit_rcu+0x93/0xc0 [ 51.931148] softirqs last disabled at (9231): [] irq_exit_rcu+0x93/0xc0 [ 51.932170] ---[ end trace 0000000000000000 ]--- [ 51.937117] ------------[ cut here ]------------ [ 51.937775] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.939396] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.940454] Modules linked in: [ 51.940879] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.942020] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.943020] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.943688] 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 [ 51.945883] RSP: 0018:ffff88800fc47c00 EFLAGS: 00010282 [ 51.946542] RAX: 0000000000000000 RBX: ffff88801454da40 RCX: 0000000000000000 [ 51.947432] RDX: ffff8880183e51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.948336] RBP: ffff88801454da54 R08: 0000000000000001 R09: 0000000000000000 [ 51.949229] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.950112] R13: ffffffff84e23fe0 R14: ffff88801454da48 R15: ffffffff84da7d60 [ 51.951008] FS: 0000555555a3e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.951992] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.952746] CR2: 00007f5fb5b0c6f4 CR3: 0000000016054000 CR4: 0000000000350ee0 [ 51.953602] Call Trace: [ 51.953951] [ 51.954250] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.954890] ipv6_frags_init_net+0x206/0x3c0 [ 51.955456] ops_init+0xbb/0x6b0 [ 51.955933] setup_net+0x3d9/0x990 [ 51.956410] ? down_read_killable+0x1d7/0x4e0 [ 51.957008] ? __pfx_setup_net+0x10/0x10 [ 51.957517] ? copy_net_ns+0x17c/0x770 [ 51.958057] copy_net_ns+0x321/0x770 [ 51.958541] create_new_namespaces+0x3f6/0xb30 [ 51.959157] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.959793] ksys_unshare+0x44d/0x8e0 [ 51.960287] ? __pfx_ksys_unshare+0x10/0x10 [ 51.960863] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.961565] __x64_sys_unshare+0x31/0x40 [ 51.962115] do_syscall_64+0x3f/0x90 [ 51.962591] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.963267] RIP: 0033:0x7f3f6b53a0d7 [ 51.963757] 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 [ 51.965946] RSP: 002b:00007ffe58197038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.966920] RAX: ffffffffffffffda RBX: 00007ffe58197678 RCX: 00007f3f6b53a0d7 [ 51.967807] RDX: 00007f3f6b5a441f RSI: 00007ffe58196fd0 RDI: 0000000040000000 [ 51.968711] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58196de0 [ 51.969558] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3f6b64cbf0 [ 51.970444] R13: 00007ffe58197110 R14: 0000000000000000 R15: 00000000000000f8 [ 51.971348] [ 51.971672] irq event stamp: 10955 [ 51.972116] hardirqs last enabled at (10965): [] __up_console_sem+0x78/0x80 [ 51.973192] hardirqs last disabled at (10976): [] __up_console_sem+0x5d/0x80 [ 51.974257] softirqs last enabled at (10438): [] irq_exit_rcu+0x93/0xc0 [ 51.975293] softirqs last disabled at (10421): [] irq_exit_rcu+0x93/0xc0 [ 51.976340] ---[ end trace 0000000000000000 ]--- [ 51.977668] ------------[ cut here ]------------ [ 51.978248] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.980105] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.981173] Modules linked in: [ 51.981577] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.982732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.983732] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.984379] 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 [ 51.986542] RSP: 0018:ffff88800fc47bf0 EFLAGS: 00010286 [ 51.987225] RAX: 0000000000000000 RBX: ffff888013e93040 RCX: 0000000000000000 [ 51.988120] RDX: ffff8880183e51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.989033] RBP: ffff888013e93054 R08: 0000000000000001 R09: 0000000000000000 [ 51.989929] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.990819] R13: ffffffff84e23fe0 R14: ffff888013e93048 R15: ffffffff84db0aa0 [ 51.991709] FS: 0000555555a3e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.992698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.993403] CR2: 00007f5fb5b0c6f4 CR3: 0000000016054000 CR4: 0000000000350ee0 [ 51.994300] Call Trace: [ 51.994624] [ 51.994959] nf_ct_net_init+0x224/0x3d0 [ 51.995480] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.996083] ops_init+0xbb/0x6b0 [ 51.996550] setup_net+0x3d9/0x990 [ 51.997038] ? down_read_killable+0x1d7/0x4e0 [ 51.997609] ? __pfx_setup_net+0x10/0x10 [ 51.998146] ? copy_net_ns+0x17c/0x770 [ 51.998688] copy_net_ns+0x321/0x770 [ 51.999165] create_new_namespaces+0x3f6/0xb30 [ 51.999775] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.000396] ksys_unshare+0x44d/0x8e0 [ 52.000928] ? __pfx_ksys_unshare+0x10/0x10 [ 52.001492] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.002258] __x64_sys_unshare+0x31/0x40 [ 52.002813] do_syscall_64+0x3f/0x90 [ 52.003309] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.004007] RIP: 0033:0x7f3f6b53a0d7 [ 52.004495] 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 [ 52.006784] RSP: 002b:00007ffe58197038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.007767] RAX: ffffffffffffffda RBX: 00007ffe58197678 RCX: 00007f3f6b53a0d7 [ 52.008700] RDX: 00007f3f6b5a441f RSI: 00007ffe58196fd0 RDI: 0000000040000000 [ 52.009583] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58196de0 [ 52.010498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3f6b64cbf0 [ 52.011407] R13: 00007ffe58197110 R14: 0000000000000000 R15: 00000000000000f8 [ 52.012380] [ 52.012714] irq event stamp: 11729 [ 52.013162] hardirqs last enabled at (11739): [] __up_console_sem+0x78/0x80 [ 52.014271] hardirqs last disabled at (11750): [] __up_console_sem+0x5d/0x80 [ 52.015387] softirqs last enabled at (11228): [] irq_exit_rcu+0x93/0xc0 [ 52.016477] softirqs last disabled at (11223): [] irq_exit_rcu+0x93/0xc0 [ 52.017568] ---[ end trace 0000000000000000 ]--- [ 53.545155] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.592754] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.640706] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.688699] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 14:40:10 Registers: info registers vcpu 0 RAX=1ffff110031fde81 RBX=ffffffff813aac10 RCX=ffff888018fef460 RDX=ffff888018ff0000 RSI=ffff888018fef458 RDI=ffff888018fef3d0 RBP=ffff888018fef458 RSP=ffff888018fef3c0 R8 =ffffffff860805f0 R9 =ffffffff860805f4 R10=0000000000038001 R11=ffff888018fef400 R12=ffff888018fef488 R13=0000000000000000 R14=ffff888016ccd1c0 R15=ffffea0000665780 RIP=ffffffff810bd6e3 RFL=00000286 [--S--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 00007fea89220700 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=00007f736654ade0 CR3=0000000018158000 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=2031313a30343a34312037312079614d XMM01=5d3630393239382e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800fc47598 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 0000555555a3e400 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=00007f5fb5b0c6f4 CR3=0000000016054000 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=00007f5fb5b1b47000007f5fb5b1af20 XMM02=00000000000000000000000000000000 XMM03=756e20796d6d756420736e6f6974706f XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=73253d656d616e6c6165722073253d73 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000