syzkaller login: [ 75.981104] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:46816' (ECDSA) to the list of known hosts. 2023/05/17 19:56:55 fuzzer started 2023/05/17 19:56:56 dialing manager at localhost:44319 2023/05/17 19:56:56 checking machine... 2023/05/17 19:56:56 checking revisions... [ 80.658285] kmemleak: Automatic memory scanning thread ended 2023/05/17 19:56:56 testing simple program... [ 80.724748] cgroup: Unknown subsys name 'net' [ 80.818463] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 93.780165] audit: type=1400 audit(1684353429.303:6): 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 [ 94.919894] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 94.922104] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 94.923868] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 94.928252] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 94.931289] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 94.940088] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.332089] ------------[ cut here ]------------ [ 95.332771] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 95.334427] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 95.335524] Modules linked in: [ 95.335938] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 95.340101] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 95.341145] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 95.341860] 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 [ 95.344158] RSP: 0018:ffff88801e83fc00 EFLAGS: 00010282 [ 95.344882] RAX: 0000000000000000 RBX: ffff88800eaf5440 RCX: 0000000000000000 [ 95.345809] RDX: ffff88800e36d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 95.346751] RBP: ffff88800eaf5454 R08: 0000000000000001 R09: 0000000000000000 [ 95.347681] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 95.348594] R13: ffffffff84e23fe0 R14: ffff88800eaf5448 R15: ffffffff84d74dc0 [ 95.349524] FS: 0000555555c29400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 95.350564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.351324] CR2: 00007f288873e6f4 CR3: 000000001859a000 CR4: 0000000000350ef0 [ 95.352292] Call Trace: [ 95.352660] [ 95.352969] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 95.353646] ipv4_frags_init_net+0x269/0x440 [ 95.354236] ops_init+0xbb/0x6b0 [ 95.354744] setup_net+0x3d9/0x990 [ 95.355235] ? down_read_killable+0x1d7/0x4e0 [ 95.355867] ? __pfx_setup_net+0x10/0x10 [ 95.356430] ? copy_net_ns+0x17c/0x770 [ 95.356965] copy_net_ns+0x321/0x770 [ 95.357503] create_new_namespaces+0x3f6/0xb30 [ 95.358119] unshare_nsproxy_namespaces+0xc1/0x200 [ 95.358826] ksys_unshare+0x44d/0x8e0 [ 95.359391] ? __pfx_ksys_unshare+0x10/0x10 [ 95.359966] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 95.360745] __x64_sys_unshare+0x31/0x40 [ 95.361286] do_syscall_64+0x3f/0x90 [ 95.361821] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 95.362525] RIP: 0033:0x7fba0b09a0d7 [ 95.363027] 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 [ 95.365360] RSP: 002b:00007ffffd6e73b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 95.366362] RAX: ffffffffffffffda RBX: 00007ffffd6e79f8 RCX: 00007fba0b09a0d7 [ 95.367284] RDX: 00007fba0b10441f RSI: 00007ffffd6e7350 RDI: 0000000040000000 [ 95.368217] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd6e7160 [ 95.369151] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fba0b1acbf0 [ 95.370088] R13: 00007ffffd6e7490 R14: 0000000000000000 R15: 00000000000000f8 [ 95.371047] [ 95.371390] irq event stamp: 8579 [ 95.371843] hardirqs last enabled at (8589): [] __up_console_sem+0x78/0x80 [ 95.372960] hardirqs last disabled at (8600): [] __up_console_sem+0x5d/0x80 [ 95.374073] softirqs last enabled at (8058): [] irq_exit_rcu+0x93/0xc0 [ 95.375179] softirqs last disabled at (8053): [] irq_exit_rcu+0x93/0xc0 [ 95.376268] ---[ end trace 0000000000000000 ]--- [ 95.382626] ------------[ cut here ]------------ [ 95.383267] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 95.385002] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 95.386100] Modules linked in: [ 95.386537] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 95.387708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 95.388718] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 95.389401] 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 [ 95.391634] RSP: 0018:ffff88801e83fc00 EFLAGS: 00010282 [ 95.392286] RAX: 0000000000000000 RBX: ffff8880161a5a40 RCX: 0000000000000000 [ 95.393183] RDX: ffff88800e36d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 95.394077] RBP: ffff8880161a5a54 R08: 0000000000000001 R09: 0000000000000000 [ 95.395008] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 95.395888] R13: ffffffff84e23fe0 R14: ffff8880161a5a48 R15: ffffffff84da7d60 [ 95.396786] FS: 0000555555c29400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 95.397789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.398534] CR2: 00007f288873e6f4 CR3: 000000001859a000 CR4: 0000000000350ef0 [ 95.399472] Call Trace: [ 95.399809] [ 95.400106] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 95.400768] ipv6_frags_init_net+0x206/0x3c0 [ 95.401370] ops_init+0xbb/0x6b0 [ 95.401831] setup_net+0x3d9/0x990 [ 95.402294] ? down_read_killable+0x1d7/0x4e0 [ 95.402924] ? __pfx_setup_net+0x10/0x10 [ 95.403479] ? copy_net_ns+0x17c/0x770 [ 95.403996] copy_net_ns+0x321/0x770 [ 95.404522] create_new_namespaces+0x3f6/0xb30 [ 95.405119] unshare_nsproxy_namespaces+0xc1/0x200 [ 95.405776] ksys_unshare+0x44d/0x8e0 [ 95.406278] ? __pfx_ksys_unshare+0x10/0x10 [ 95.406897] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 95.407647] __x64_sys_unshare+0x31/0x40 [ 95.408168] do_syscall_64+0x3f/0x90 [ 95.408696] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 95.409384] RIP: 0033:0x7fba0b09a0d7 [ 95.409855] 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 [ 95.412036] RSP: 002b:00007ffffd6e73b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 95.412993] RAX: ffffffffffffffda RBX: 00007ffffd6e79f8 RCX: 00007fba0b09a0d7 [ 95.413890] RDX: 00007fba0b10441f RSI: 00007ffffd6e7350 RDI: 0000000040000000 [ 95.414778] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd6e7160 [ 95.415678] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fba0b1acbf0 [ 95.416565] R13: 00007ffffd6e7490 R14: 0000000000000000 R15: 00000000000000f8 [ 95.417473] [ 95.417774] irq event stamp: 11155 [ 95.418211] hardirqs last enabled at (11165): [] __up_console_sem+0x78/0x80 [ 95.419311] hardirqs last disabled at (11176): [] __up_console_sem+0x5d/0x80 [ 95.420400] softirqs last enabled at (11080): [] irq_exit_rcu+0x93/0xc0 [ 95.421452] softirqs last disabled at (11071): [] irq_exit_rcu+0x93/0xc0 [ 95.422490] ---[ end trace 0000000000000000 ]--- [ 95.423833] ------------[ cut here ]------------ [ 95.424440] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 95.426312] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 95.427412] Modules linked in: [ 95.427829] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 95.429002] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 95.430020] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 95.430706] 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 [ 95.432929] RSP: 0018:ffff88801e83fbf0 EFLAGS: 00010286 [ 95.433620] RAX: 0000000000000000 RBX: ffff8880161a5440 RCX: 0000000000000000 [ 95.434520] RDX: ffff88800e36d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 95.435430] RBP: ffff8880161a5454 R08: 0000000000000001 R09: 0000000000000000 [ 95.436291] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 95.437174] R13: ffffffff84e23fe0 R14: ffff8880161a5448 R15: ffffffff84db0aa0 [ 95.438069] FS: 0000555555c29400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 95.439097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.439850] CR2: 00007f288873e6f4 CR3: 000000001859a000 CR4: 0000000000350ef0 [ 95.440748] Call Trace: [ 95.441080] [ 95.441406] nf_ct_net_init+0x224/0x3d0 [ 95.441936] ? __pfx_nf_ct_net_init+0x10/0x10 [ 95.442542] ops_init+0xbb/0x6b0 [ 95.442998] setup_net+0x3d9/0x990 [ 95.443494] ? down_read_killable+0x1d7/0x4e0 [ 95.444067] ? __pfx_setup_net+0x10/0x10 [ 95.444621] ? copy_net_ns+0x17c/0x770 [ 95.445136] copy_net_ns+0x321/0x770 [ 95.445654] create_new_namespaces+0x3f6/0xb30 [ 95.446245] unshare_nsproxy_namespaces+0xc1/0x200 [ 95.446927] ksys_unshare+0x44d/0x8e0 [ 95.447447] ? __pfx_ksys_unshare+0x10/0x10 [ 95.448000] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 95.448744] __x64_sys_unshare+0x31/0x40 [ 95.449265] do_syscall_64+0x3f/0x90 [ 95.449775] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 95.450450] RIP: 0033:0x7fba0b09a0d7 [ 95.450924] 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 [ 95.453101] RSP: 002b:00007ffffd6e73b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 95.454049] RAX: ffffffffffffffda RBX: 00007ffffd6e79f8 RCX: 00007fba0b09a0d7 [ 95.454958] RDX: 00007fba0b10441f RSI: 00007ffffd6e7350 RDI: 0000000040000000 [ 95.455844] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd6e7160 [ 95.456761] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fba0b1acbf0 [ 95.457657] R13: 00007ffffd6e7490 R14: 0000000000000000 R15: 00000000000000f8 [ 95.458571] [ 95.458891] irq event stamp: 11903 [ 95.459325] hardirqs last enabled at (11913): [] __up_console_sem+0x78/0x80 [ 95.460417] hardirqs last disabled at (11926): [] __up_console_sem+0x5d/0x80 [ 95.461492] softirqs last enabled at (11810): [] irq_exit_rcu+0x93/0xc0 [ 95.462530] softirqs last disabled at (11805): [] irq_exit_rcu+0x93/0xc0 [ 95.463596] ---[ end trace 0000000000000000 ]--- executing program [ 97.004953] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 99.053437] Bluetooth: hci0: command 0x041b tx timeout [ 101.100452] Bluetooth: hci0: command 0x040f tx timeout executing program [ 103.148402] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:56:30 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e83f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555c29400 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=00007f288873e6f4 CR3=000000001859a000 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=000000000007fa35 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f1a24babb30 CR3=000000000ee04000 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=4d6d601b5f7298bea64636659ff0cbc0 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0b2a5222aefc2a7f000000000013f0d0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f0dac3ea2803583800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000