Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43528' (ECDSA) to the list of known hosts. 2023/05/16 15:47:21 fuzzer started 2023/05/16 15:47:21 dialing manager at localhost:35573 2023/05/16 15:47:21 checking machine... 2023/05/16 15:47:21 checking revisions... syzkaller login: [ 56.119234] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:47:21 testing simple program... [ 56.190071] cgroup: Unknown subsys name 'net' [ 56.271187] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 68.299592] audit: type=1400 audit(1684252054.123:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 69.458878] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.460443] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.462804] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.466325] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.467997] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.469655] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.859670] ------------[ cut here ]------------ [ 69.860489] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.862762] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.864158] Modules linked in: [ 69.864892] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.867468] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.869850] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.870593] 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 [ 69.872652] RSP: 0018:ffff88802056fc00 EFLAGS: 00010282 [ 69.873287] RAX: 0000000000000000 RBX: ffff8880146b6c40 RCX: 0000000000000000 [ 69.874201] RDX: ffff88801a0a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.875101] RBP: ffff8880146b6c54 R08: 0000000000000001 R09: 0000000000000000 [ 69.876000] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.876886] R13: ffffffff84e223a0 R14: ffff8880146b6c48 R15: ffffffff84d73340 [ 69.877795] FS: 000055555698a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.878823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.879556] CR2: 00007fdebc2c36f4 CR3: 00000000207c4000 CR4: 0000000000350ee0 [ 69.880459] Call Trace: [ 69.880787] [ 69.881089] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.881746] ipv4_frags_init_net+0x269/0x440 [ 69.882331] ops_init+0xbb/0x6b0 [ 69.882813] setup_net+0x3d9/0x990 [ 69.883267] ? down_read_killable+0x1d7/0x4e0 [ 69.883867] ? __pfx_setup_net+0x10/0x10 [ 69.884377] ? copy_net_ns+0x17c/0x770 [ 69.884915] copy_net_ns+0x321/0x770 [ 69.885440] create_new_namespaces+0x3f6/0xb30 [ 69.886067] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.886731] ksys_unshare+0x44d/0x8e0 [ 69.887222] ? __pfx_ksys_unshare+0x10/0x10 [ 69.887816] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.888559] __x64_sys_unshare+0x31/0x40 [ 69.889081] do_syscall_64+0x3f/0x90 [ 69.889590] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.890245] RIP: 0033:0x7f0811e830d7 [ 69.890755] 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 [ 69.892920] RSP: 002b:00007ffffc585368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.893876] RAX: ffffffffffffffda RBX: 00007ffffc5859a8 RCX: 00007f0811e830d7 [ 69.894775] RDX: 00007f0811eed41f RSI: 00007ffffc585300 RDI: 0000000040000000 [ 69.895671] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffc585110 [ 69.896555] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0811f95bf0 [ 69.897457] R13: 00007ffffc585440 R14: 0000000000000000 R15: 00000000000000f8 [ 69.898366] [ 69.898710] irq event stamp: 7691 [ 69.899134] hardirqs last enabled at (7701): [] __up_console_sem+0x78/0x80 [ 69.900193] hardirqs last disabled at (7712): [] __up_console_sem+0x5d/0x80 [ 69.901242] softirqs last enabled at (7252): [] irq_exit_rcu+0x93/0xc0 [ 69.902280] softirqs last disabled at (7247): [] irq_exit_rcu+0x93/0xc0 [ 69.903325] ---[ end trace 0000000000000000 ]--- [ 69.910586] ------------[ cut here ]------------ [ 69.911174] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 69.912867] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.913955] Modules linked in: [ 69.914361] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.915539] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.916556] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.917204] 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 [ 69.919413] RSP: 0018:ffff88802056fc00 EFLAGS: 00010282 [ 69.920199] RAX: 0000000000000000 RBX: ffff88800ff5a240 RCX: 0000000000000000 [ 69.921322] RDX: ffff88801a0a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.922444] RBP: ffff88800ff5a254 R08: 0000000000000001 R09: 0000000000000000 [ 69.923561] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.924664] R13: ffffffff84e223a0 R14: ffff88800ff5a248 R15: ffffffff84da62e0 [ 69.925778] FS: 000055555698a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.927046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.927988] CR2: 00007fdebc2c36f4 CR3: 00000000207c4000 CR4: 0000000000350ee0 [ 69.929080] Call Trace: [ 69.929520] [ 69.929898] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 69.930692] ipv6_frags_init_net+0x206/0x3c0 [ 69.931376] ops_init+0xbb/0x6b0 [ 69.931959] setup_net+0x3d9/0x990 [ 69.932558] ? down_read_killable+0x1d7/0x4e0 [ 69.933260] ? __pfx_setup_net+0x10/0x10 [ 69.933948] ? copy_net_ns+0x17c/0x770 [ 69.934608] copy_net_ns+0x321/0x770 [ 69.935200] create_new_namespaces+0x3f6/0xb30 [ 69.935982] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.936783] ksys_unshare+0x44d/0x8e0 [ 69.937429] ? __pfx_ksys_unshare+0x10/0x10 [ 69.938116] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.939059] __x64_sys_unshare+0x31/0x40 [ 69.939742] do_syscall_64+0x3f/0x90 [ 69.940325] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.941171] RIP: 0033:0x7f0811e830d7 [ 69.941771] 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 [ 69.944495] RSP: 002b:00007ffffc585368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.945376] RAX: ffffffffffffffda RBX: 00007ffffc5859a8 RCX: 00007f0811e830d7 [ 69.946248] RDX: 00007f0811eed41f RSI: 00007ffffc585300 RDI: 0000000040000000 [ 69.947104] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffc585110 [ 69.947948] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0811f95bf0 [ 69.948801] R13: 00007ffffc585440 R14: 0000000000000000 R15: 00000000000000f8 [ 69.949664] [ 69.949956] irq event stamp: 9771 [ 69.950364] hardirqs last enabled at (9781): [] __up_console_sem+0x78/0x80 [ 69.951410] hardirqs last disabled at (9794): [] __up_console_sem+0x5d/0x80 [ 69.952374] softirqs last enabled at (9680): [] irq_exit_rcu+0x93/0xc0 [ 69.953357] softirqs last disabled at (9675): [] irq_exit_rcu+0x93/0xc0 [ 69.954360] ---[ end trace 0000000000000000 ]--- [ 69.955775] ------------[ cut here ]------------ [ 69.956347] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 69.958230] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.959292] Modules linked in: [ 69.959730] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.960866] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.961895] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.962562] 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 [ 69.964774] RSP: 0018:ffff88802056fbf0 EFLAGS: 00010286 [ 69.965479] RAX: 0000000000000000 RBX: ffff88800ff5aa40 RCX: 0000000000000000 [ 69.966355] RDX: ffff88801a0a3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.967271] RBP: ffff88800ff5aa54 R08: 0000000000000001 R09: 0000000000000000 [ 69.968180] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.969084] R13: ffffffff84e223a0 R14: ffff88800ff5aa48 R15: ffffffff84daf020 [ 69.970039] FS: 000055555698a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.971014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.971729] CR2: 00007fdebc2c36f4 CR3: 00000000207c4000 CR4: 0000000000350ee0 [ 69.972615] Call Trace: [ 69.972936] [ 69.973228] nf_ct_net_init+0x224/0x3d0 [ 69.973770] ? __pfx_nf_ct_net_init+0x10/0x10 [ 69.974338] ops_init+0xbb/0x6b0 [ 69.974813] setup_net+0x3d9/0x990 [ 69.975257] ? down_read_killable+0x1d7/0x4e0 [ 69.975855] ? __pfx_setup_net+0x10/0x10 [ 69.976345] ? copy_net_ns+0x17c/0x770 [ 69.976873] copy_net_ns+0x321/0x770 [ 69.977335] create_new_namespaces+0x3f6/0xb30 [ 69.977981] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.978618] ksys_unshare+0x44d/0x8e0 [ 69.979110] ? __pfx_ksys_unshare+0x10/0x10 [ 69.979686] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.980362] __x64_sys_unshare+0x31/0x40 [ 69.980887] do_syscall_64+0x3f/0x90 [ 69.981332] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.981995] RIP: 0033:0x7f0811e830d7 [ 69.982466] 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 [ 69.984495] RSP: 002b:00007ffffc585368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.985348] RAX: ffffffffffffffda RBX: 00007ffffc5859a8 RCX: 00007f0811e830d7 [ 69.986196] RDX: 00007f0811eed41f RSI: 00007ffffc585300 RDI: 0000000040000000 [ 69.987039] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffc585110 [ 69.987878] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0811f95bf0 [ 69.988719] R13: 00007ffffc585440 R14: 0000000000000000 R15: 00000000000000f8 [ 69.989588] [ 69.989891] irq event stamp: 10541 [ 69.990299] hardirqs last enabled at (10551): [] __up_console_sem+0x78/0x80 [ 69.991308] hardirqs last disabled at (10562): [] __up_console_sem+0x5d/0x80 [ 69.992312] softirqs last enabled at (10192): [] irq_exit_rcu+0x93/0xc0 [ 69.993323] softirqs last disabled at (10187): [] irq_exit_rcu+0x93/0xc0 [ 69.994324] ---[ end trace 0000000000000000 ]--- executing program [ 71.542893] Bluetooth: hci0: command 0x0409 tx timeout [ 73.590450] Bluetooth: hci0: command 0x041b tx timeout executing program [ 75.638525] Bluetooth: hci0: command 0x040f tx timeout executing program [ 77.686536] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:47:17 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=000000000000004a RCX=0000000080000000 RDX=ffff8880162f0154 RSI=ffffffff812fc43d RDI=0000000000000001 RBP=000000000000002f RSP=ffff888016d9fa48 R8 =0000000000000001 R9 =000000000000005c R10=000000000000002f R11=fffffffffffcb290 R12=ffff8880162f0154 R13=000000000000004f R14=ffff8880162f08f8 R15=000000000000000f RIP=ffffffff814bf881 RFL=00000246 [---Z-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 00007ff08d822900 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=00007ff08cca62e0 CR3=000000000eb7e000 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=c3494675ef8af0a24b475ff9ee114a3d XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=abb1175ba486cfe7000000000013c880 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ca1d6d844dd4fd3600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000020000000000000002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88802056ff58 RCX=0000000000000001 RDX=1ffff1100d9e1356 RSI=ffff88802056ff48 RDI=ffff88806cf09ab0 RBP=ffff888020568000 RSP=ffff88806cf09a30 R8 =ffffffff864a25e4 R9 =ffffffff864a25e8 R10=0000000000038001 R11=ffff88806cf09ae0 R12=ffff88806cf09b00 R13=ffff88806cf09ae8 R14=ffff88802056ff48 R15=ffff88806cf09aa0 RIP=ffffffff811329df RFL=00000246 [---Z-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 000055555698a400 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=00007fdebc2c36f4 CR3=00000000207c4000 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