syzkaller login: [ 38.547973] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:47609' (ECDSA) to the list of known hosts. 2023/05/16 13:12:33 fuzzer started 2023/05/16 13:12:33 dialing manager at localhost:35573 2023/05/16 13:12:33 checking machine... 2023/05/16 13:12:33 checking revisions... [ 44.068434] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:12:33 testing simple program... [ 44.141592] cgroup: Unknown subsys name 'net' [ 44.199730] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.284997] audit: type=1400 audit(1684242766.950:6): 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 [ 58.430310] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.438356] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.439903] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.443896] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.445601] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.447052] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.853924] ------------[ cut here ]------------ [ 58.854654] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.856453] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.857580] Modules linked in: [ 58.858003] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.862837] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.863877] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.864578] 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 [ 58.866843] RSP: 0018:ffff888016eb7c00 EFLAGS: 00010282 [ 58.867554] RAX: 0000000000000000 RBX: ffff88800e2d0c40 RCX: 0000000000000000 [ 58.868448] RDX: ffff88800ebc3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.869358] RBP: ffff88800e2d0c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.870300] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.871230] R13: ffffffff84e223a0 R14: ffff88800e2d0c48 R15: ffffffff84d73340 [ 58.872135] FS: 0000555556778400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.873151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.873878] CR2: 00007f48a07956f4 CR3: 00000000090ec000 CR4: 0000000000350ee0 [ 58.874827] Call Trace: [ 58.875193] [ 58.875508] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.876174] ipv4_frags_init_net+0x269/0x440 [ 58.876748] ops_init+0xbb/0x6b0 [ 58.877234] setup_net+0x3d9/0x990 [ 58.877719] ? down_read_killable+0x1d7/0x4e0 [ 58.878364] ? __pfx_setup_net+0x10/0x10 [ 58.878918] ? copy_net_ns+0x17c/0x770 [ 58.879467] copy_net_ns+0x321/0x770 [ 58.879977] create_new_namespaces+0x3f6/0xb30 [ 58.880621] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.881276] ksys_unshare+0x44d/0x8e0 [ 58.881788] ? __pfx_ksys_unshare+0x10/0x10 [ 58.882386] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.883161] __x64_sys_unshare+0x31/0x40 [ 58.883697] do_syscall_64+0x3f/0x90 [ 58.884210] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.884867] RIP: 0033:0x7fa51d3ae0d7 [ 58.885366] 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 [ 58.887610] RSP: 002b:00007ffef70a30f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.888599] RAX: ffffffffffffffda RBX: 00007ffef70a3738 RCX: 00007fa51d3ae0d7 [ 58.889504] RDX: 00007fa51d41841f RSI: 00007ffef70a3090 RDI: 0000000040000000 [ 58.890447] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef70a2ea0 [ 58.891363] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa51d4c0bf0 [ 58.892273] R13: 00007ffef70a31d0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.893198] [ 58.893511] irq event stamp: 8109 [ 58.893949] hardirqs last enabled at (8119): [] __up_console_sem+0x78/0x80 [ 58.895106] hardirqs last disabled at (8132): [] __up_console_sem+0x5d/0x80 [ 58.896245] softirqs last enabled at (7242): [] netlink_insert+0x187/0x1820 [ 58.897382] softirqs last disabled at (7240): [] release_sock+0x1f/0x1b0 [ 58.898506] ---[ end trace 0000000000000000 ]--- [ 58.905353] ------------[ cut here ]------------ [ 58.905965] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.907655] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.908865] Modules linked in: [ 58.909460] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.910696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.911737] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.912424] 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 [ 58.914690] RSP: 0018:ffff888016eb7c00 EFLAGS: 00010282 [ 58.915397] RAX: 0000000000000000 RBX: ffff88800cb9ca40 RCX: 0000000000000000 [ 58.916331] RDX: ffff88800ebc3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.917253] RBP: ffff88800cb9ca54 R08: 0000000000000001 R09: 0000000000000000 [ 58.918195] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.919140] R13: ffffffff84e223a0 R14: ffff88800cb9ca48 R15: ffffffff84da62e0 [ 58.920021] FS: 0000555556778400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.921060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.921828] CR2: 00007f48a07956f4 CR3: 00000000090ec000 CR4: 0000000000350ee0 [ 58.922786] Call Trace: [ 58.923157] [ 58.923462] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.924131] ipv6_frags_init_net+0x206/0x3c0 [ 58.924721] ops_init+0xbb/0x6b0 [ 58.925212] setup_net+0x3d9/0x990 [ 58.925695] ? down_read_killable+0x1d7/0x4e0 [ 58.926333] ? __pfx_setup_net+0x10/0x10 [ 58.926897] ? copy_net_ns+0x17c/0x770 [ 58.927446] copy_net_ns+0x321/0x770 [ 58.927983] create_new_namespaces+0x3f6/0xb30 [ 58.928674] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.929404] ksys_unshare+0x44d/0x8e0 [ 58.929945] ? __pfx_ksys_unshare+0x10/0x10 [ 58.930621] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.931404] __x64_sys_unshare+0x31/0x40 [ 58.931967] do_syscall_64+0x3f/0x90 [ 58.932527] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.933248] RIP: 0033:0x7fa51d3ae0d7 [ 58.933750] 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 executing program [ 58.936456] RSP: 002b:00007ffef70a30f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.937834] RAX: ffffffffffffffda RBX: 00007ffef70a3738 RCX: 00007fa51d3ae0d7 [ 58.939113] RDX: 00007fa51d41841f RSI: 00007ffef70a3090 RDI: 0000000040000000 [ 58.940335] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef70a2ea0 [ 58.941566] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa51d4c0bf0 [ 58.942828] R13: 00007ffef70a31d0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.944151] [ 58.944579] irq event stamp: 10153 [ 58.945254] hardirqs last enabled at (10165): [] __up_console_sem+0x78/0x80 [ 58.946434] hardirqs last disabled at (10176): [] __up_console_sem+0x5d/0x80 [ 58.947609] softirqs last enabled at (9748): [] irq_exit_rcu+0x93/0xc0 [ 58.948756] softirqs last disabled at (9739): [] irq_exit_rcu+0x93/0xc0 [ 58.949851] ---[ end trace 0000000000000000 ]--- [ 58.951292] ------------[ cut here ]------------ [ 58.951943] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.953926] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.955102] Modules linked in: [ 58.955542] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.956811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.957902] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.958662] 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 [ 58.960984] RSP: 0018:ffff888016eb7bf0 EFLAGS: 00010286 [ 58.961730] RAX: 0000000000000000 RBX: ffff88800cb9c440 RCX: 0000000000000000 [ 58.962688] RDX: ffff88800ebc3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.963638] RBP: ffff88800cb9c454 R08: 0000000000000001 R09: 0000000000000000 [ 58.964596] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.965571] R13: ffffffff84e223a0 R14: ffff88800cb9c448 R15: ffffffff84daf020 [ 58.966559] FS: 0000555556778400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.967629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.968402] CR2: 00007f48a07956f4 CR3: 00000000090ec000 CR4: 0000000000350ee0 [ 58.969359] Call Trace: [ 58.969733] [ 58.970044] nf_ct_net_init+0x224/0x3d0 [ 58.970650] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.971279] ops_init+0xbb/0x6b0 [ 58.971749] setup_net+0x3d9/0x990 [ 58.972268] ? down_read_killable+0x1d7/0x4e0 [ 58.972865] ? __pfx_setup_net+0x10/0x10 [ 58.973435] ? copy_net_ns+0x17c/0x770 [ 58.973988] copy_net_ns+0x321/0x770 [ 58.974586] create_new_namespaces+0x3f6/0xb30 [ 58.975227] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.975892] ksys_unshare+0x44d/0x8e0 [ 58.976441] ? __pfx_ksys_unshare+0x10/0x10 [ 58.977024] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.977832] __x64_sys_unshare+0x31/0x40 [ 58.978426] do_syscall_64+0x3f/0x90 [ 58.978939] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.979669] RIP: 0033:0x7fa51d3ae0d7 [ 58.980195] 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 [ 58.982531] RSP: 002b:00007ffef70a30f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.983552] RAX: ffffffffffffffda RBX: 00007ffef70a3738 RCX: 00007fa51d3ae0d7 [ 58.984506] RDX: 00007fa51d41841f RSI: 00007ffef70a3090 RDI: 0000000040000000 [ 58.985438] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef70a2ea0 [ 58.986421] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa51d4c0bf0 [ 58.987361] R13: 00007ffef70a31d0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.988345] [ 58.988678] irq event stamp: 10913 [ 58.989167] hardirqs last enabled at (10925): [] __up_console_sem+0x78/0x80 [ 58.990347] hardirqs last disabled at (10936): [] __up_console_sem+0x5d/0x80 [ 58.991509] softirqs last enabled at (10524): [] irq_exit_rcu+0x93/0xc0 [ 58.992617] softirqs last disabled at (10519): [] irq_exit_rcu+0x93/0xc0 [ 58.993745] ---[ end trace 0000000000000000 ]--- [ 60.510709] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.556257] Bluetooth: hci0: command 0x041b tx timeout [ 64.605045] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.652191] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:12:42 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffea00005c1440 RCX=ffffffff816a87bd RDX=ffff888015d651c0 RSI=0000000000000008 RDI=ffffea00005c1440 RBP=ffffea00005c1440 RSP=ffff88800fb6fb60 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffffffff84937ba0 R13=ffff88800fb6fdb8 R14=ffff88800c6cc570 R15=0000000000000001 RIP=ffffffff818112d8 RFL=00000293 [--S-A-C] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f211ae5a900 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=00007f211a2c0a20 CR3=0000000015e30000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=ce0960b6720c8d9a000000000013b468 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4da15e37f44015df00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016eb75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556778400 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=00007f48a07956f4 CR3=00000000090ec000 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