syzkaller login: [ 35.023798] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:52784' (ECDSA) to the list of known hosts. 2023/05/17 11:16:31 fuzzer started 2023/05/17 11:16:31 dialing manager at localhost:44319 2023/05/17 11:16:31 checking machine... 2023/05/17 11:16:31 checking revisions... [ 37.188222] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:16:31 testing simple program... [ 37.266571] cgroup: Unknown subsys name 'net' [ 37.350605] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.708922] audit: type=1400 audit(1684322205.366:6): 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 [ 51.838943] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.842351] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.844016] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.847356] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.849196] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.850931] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.290810] ------------[ cut here ]------------ [ 52.291453] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.293266] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.294516] Modules linked in: [ 52.295036] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.299660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.300696] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.301382] 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 [ 52.303587] RSP: 0018:ffff88801b6a7c00 EFLAGS: 00010282 [ 52.304282] RAX: 0000000000000000 RBX: ffff88800efc9c40 RCX: 0000000000000000 [ 52.305195] RDX: ffff8880178d1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.306105] RBP: ffff88800efc9c54 R08: 0000000000000001 R09: 0000000000000000 [ 52.307006] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.307896] R13: ffffffff84e23fe0 R14: ffff88800efc9c48 R15: ffffffff84d74dc0 [ 52.308795] FS: 0000555556ba8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.309789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.310518] CR2: 00007efcd90bb0c0 CR3: 0000000019e8a000 CR4: 0000000000350ee0 [ 52.311431] Call Trace: [ 52.311793] [ 52.312095] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.312717] ipv4_frags_init_net+0x269/0x440 [ 52.313309] ops_init+0xbb/0x6b0 [ 52.313788] setup_net+0x3d9/0x990 [ 52.314259] ? down_read_killable+0x1d7/0x4e0 [ 52.314878] ? __pfx_setup_net+0x10/0x10 [ 52.315390] ? copy_net_ns+0x17c/0x770 [ 52.315931] copy_net_ns+0x321/0x770 [ 52.316415] create_new_namespaces+0x3f6/0xb30 [ 52.317031] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.317650] ksys_unshare+0x44d/0x8e0 [ 52.318188] ? __pfx_ksys_unshare+0x10/0x10 [ 52.318740] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.319484] __x64_sys_unshare+0x31/0x40 [ 52.320027] do_syscall_64+0x3f/0x90 [ 52.320504] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.321184] RIP: 0033:0x7f0ae0df30d7 [ 52.321646] 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 [ 52.323815] RSP: 002b:00007ffc7282fbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.324755] RAX: ffffffffffffffda RBX: 00007ffc72830208 RCX: 00007f0ae0df30d7 [ 52.325640] RDX: 00007f0ae0e5d41f RSI: 00007ffc7282fb60 RDI: 0000000040000000 [ 52.326550] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7282f970 [ 52.327439] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0ae0f05bf0 [ 52.328331] R13: 00007ffc7282fca0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.329250] [ 52.329550] irq event stamp: 7429 [ 52.330014] hardirqs last enabled at (7441): [] __up_console_sem+0x78/0x80 [ 52.331079] hardirqs last disabled at (7452): [] __up_console_sem+0x5d/0x80 [ 52.332129] softirqs last enabled at (7194): [] irq_exit_rcu+0x93/0xc0 [ 52.333162] softirqs last disabled at (7189): [] irq_exit_rcu+0x93/0xc0 [ 52.334234] ---[ end trace 0000000000000000 ]--- [ 52.339917] ------------[ cut here ]------------ [ 52.340527] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.342252] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.343333] Modules linked in: [ 52.343745] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.344921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.345932] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.346588] 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 [ 52.348782] RSP: 0018:ffff88801b6a7c00 EFLAGS: 00010282 [ 52.349441] RAX: 0000000000000000 RBX: ffff88800d660840 RCX: 0000000000000000 [ 52.350378] RDX: ffff8880178d1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.351300] RBP: ffff88800d660854 R08: 0000000000000001 R09: 0000000000000000 [ 52.352219] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.353134] R13: ffffffff84e23fe0 R14: ffff88800d660848 R15: ffffffff84da7d60 [ 52.354068] FS: 0000555556ba8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.355096] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.355866] CR2: 00007efcd90bb0c0 CR3: 0000000019e8a000 CR4: 0000000000350ee0 [ 52.356757] Call Trace: [ 52.357125] [ 52.357432] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.358106] ipv6_frags_init_net+0x206/0x3c0 [ 52.358708] ops_init+0xbb/0x6b0 [ 52.359201] setup_net+0x3d9/0x990 [ 52.359676] ? down_read_killable+0x1d7/0x4e0 [ 52.360297] ? __pfx_setup_net+0x10/0x10 [ 52.360864] ? copy_net_ns+0x17c/0x770 [ 52.361390] copy_net_ns+0x321/0x770 [ 52.361914] create_new_namespaces+0x3f6/0xb30 [ 52.362545] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.363211] ksys_unshare+0x44d/0x8e0 [ 52.363717] ? __pfx_ksys_unshare+0x10/0x10 [ 52.364306] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.365081] __x64_sys_unshare+0x31/0x40 [ 52.365618] do_syscall_64+0x3f/0x90 [ 52.366146] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.366852] RIP: 0033:0x7f0ae0df30d7 [ 52.367330] 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 [ 52.369592] RSP: 002b:00007ffc7282fbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.370576] RAX: ffffffffffffffda RBX: 00007ffc72830208 RCX: 00007f0ae0df30d7 [ 52.371497] RDX: 00007f0ae0e5d41f RSI: 00007ffc7282fb60 RDI: 0000000040000000 [ 52.372411] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7282f970 [ 52.373332] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0ae0f05bf0 [ 52.374271] R13: 00007ffc7282fca0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.375211] [ 52.375521] irq event stamp: 9045 [ 52.375983] hardirqs last enabled at (9057): [] __up_console_sem+0x78/0x80 [ 52.377071] hardirqs last disabled at (9068): [] __up_console_sem+0x5d/0x80 [ 52.378178] softirqs last enabled at (9082): [] irq_exit_rcu+0x93/0xc0 [ 52.379241] softirqs last disabled at (9077): [] irq_exit_rcu+0x93/0xc0 [ 52.380306] ---[ end trace 0000000000000000 ]--- [ 52.381664] ------------[ cut here ]------------ [ 52.382325] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.384253] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.385350] Modules linked in: [ 52.385799] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.387019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.388069] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.388741] 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 [ 52.391073] RSP: 0018:ffff88801b6a7bf0 EFLAGS: 00010286 [ 52.391749] RAX: 0000000000000000 RBX: ffff88800d660640 RCX: 0000000000000000 [ 52.392690] RDX: ffff8880178d1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.393615] RBP: ffff88800d660654 R08: 0000000000000001 R09: 0000000000000000 [ 52.394555] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.395478] R13: ffffffff84e23fe0 R14: ffff88800d660648 R15: ffffffff84db0aa0 [ 52.396392] FS: 0000555556ba8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.397428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.398193] CR2: 00007efcd90bb0c0 CR3: 0000000019e8a000 CR4: 0000000000350ee0 [ 52.399120] Call Trace: [ 52.399458] [ 52.399797] nf_ct_net_init+0x224/0x3d0 [ 52.400336] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.400957] ops_init+0xbb/0x6b0 [ 52.401417] setup_net+0x3d9/0x990 [ 52.401912] ? down_read_killable+0x1d7/0x4e0 [ 52.402526] ? __pfx_setup_net+0x10/0x10 [ 52.403081] ? copy_net_ns+0x17c/0x770 [ 52.403609] copy_net_ns+0x321/0x770 [ 52.404134] create_new_namespaces+0x3f6/0xb30 [ 52.404739] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.405405] ksys_unshare+0x44d/0x8e0 [ 52.405917] ? __pfx_ksys_unshare+0x10/0x10 [ 52.406469] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.407194] __x64_sys_unshare+0x31/0x40 [ 52.407711] do_syscall_64+0x3f/0x90 [ 52.408209] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.408879] RIP: 0033:0x7f0ae0df30d7 [ 52.409337] 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 [ 52.411492] RSP: 002b:00007ffc7282fbc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.412422] RAX: ffffffffffffffda RBX: 00007ffc72830208 RCX: 00007f0ae0df30d7 [ 52.413303] RDX: 00007f0ae0e5d41f RSI: 00007ffc7282fb60 RDI: 0000000040000000 [ 52.414192] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7282f970 [ 52.415096] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0ae0f05bf0 [ 52.415979] R13: 00007ffc7282fca0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.416883] [ 52.417185] irq event stamp: 9821 [ 52.417605] hardirqs last enabled at (9831): [] __up_console_sem+0x78/0x80 [ 52.418672] hardirqs last disabled at (9842): [] __up_console_sem+0x5d/0x80 [ 52.419725] softirqs last enabled at (9782): [] irq_exit_rcu+0x93/0xc0 [ 52.420750] softirqs last disabled at (9773): [] irq_exit_rcu+0x93/0xc0 [ 52.421793] ---[ end trace 0000000000000000 ]--- [ 53.903408] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.950849] Bluetooth: hci0: command 0x041b tx timeout [ 57.998936] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.046861] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:16:46 Registers: info registers vcpu 0 RAX=0000000000022727 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007efcd90cba50 CR3=000000000cf44000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=3938343635342e34322020205b3e3400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801b6a75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 0000555556ba8400 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=00007efcd90bb0c0 CR3=0000000019e8a000 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