Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:31672' (ECDSA) to the list of known hosts. 2023/05/17 20:02:06 fuzzer started 2023/05/17 20:02:06 dialing manager at localhost:44319 2023/05/17 20:02:06 checking machine... 2023/05/17 20:02:06 checking revisions... syzkaller login: [ 32.500535] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:02:06 testing simple program... [ 32.574752] cgroup: Unknown subsys name 'net' [ 32.663557] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 44.417234] audit: type=1400 audit(1684353738.895:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 45.527627] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.529809] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.531929] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.535825] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.538759] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.539937] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.937411] ------------[ cut here ]------------ [ 45.938566] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.940539] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.941829] Modules linked in: [ 45.942467] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.947791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.948820] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.949504] 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 [ 45.951711] RSP: 0018:ffff888020237c00 EFLAGS: 00010282 [ 45.952445] RAX: 0000000000000000 RBX: ffff88800c776840 RCX: 0000000000000000 [ 45.953379] RDX: ffff88800e67b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.954353] RBP: ffff88800c776854 R08: 0000000000000001 R09: 0000000000000000 [ 45.955314] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.956252] R13: ffffffff84e23fe0 R14: ffff88800c776848 R15: ffffffff84d74dc0 [ 45.957199] FS: 00005555563fd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.958249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.959013] CR2: 00007ff78d1f46f4 CR3: 000000000dcea000 CR4: 0000000000350ef0 [ 45.959949] Call Trace: [ 45.960324] [ 45.960643] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.961320] ipv4_frags_init_net+0x269/0x440 [ 45.961911] ops_init+0xbb/0x6b0 [ 45.962417] setup_net+0x3d9/0x990 [ 45.962917] ? down_read_killable+0x1d7/0x4e0 [ 45.963556] ? __pfx_setup_net+0x10/0x10 [ 45.964128] ? copy_net_ns+0x17c/0x770 [ 45.964662] copy_net_ns+0x321/0x770 [ 45.965198] create_new_namespaces+0x3f6/0xb30 [ 45.965826] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.966505] ksys_unshare+0x44d/0x8e0 [ 45.967032] ? __pfx_ksys_unshare+0x10/0x10 [ 45.967642] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.968422] __x64_sys_unshare+0x31/0x40 [ 45.968971] do_syscall_64+0x3f/0x90 [ 45.969510] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.970221] RIP: 0033:0x7fbb0d24f0d7 [ 45.970714] 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 [ 45.973035] RSP: 002b:00007ffeedc8b718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.974019] RAX: ffffffffffffffda RBX: 00007ffeedc8bd58 RCX: 00007fbb0d24f0d7 [ 45.974978] RDX: 00007fbb0d2b941f RSI: 00007ffeedc8b6b0 RDI: 0000000040000000 [ 45.975914] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeedc8b4c0 [ 45.976855] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbb0d361bf0 [ 45.977781] R13: 00007ffeedc8b7f0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.978753] [ 45.979114] irq event stamp: 8777 [ 45.979562] hardirqs last enabled at (8787): [] __up_console_sem+0x78/0x80 [ 45.980676] hardirqs last disabled at (8798): [] __up_console_sem+0x5d/0x80 [ 45.981792] softirqs last enabled at (8658): [] irq_exit_rcu+0x93/0xc0 [ 45.982889] softirqs last disabled at (8649): [] irq_exit_rcu+0x93/0xc0 [ 45.983975] ---[ end trace 0000000000000000 ]--- [ 45.989906] ------------[ cut here ]------------ [ 45.990553] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.992303] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.993406] Modules linked in: [ 45.993831] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.995007] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.996023] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.996705] 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 [ 45.998887] RSP: 0018:ffff888020237c00 EFLAGS: 00010282 [ 45.999576] RAX: 0000000000000000 RBX: ffff88800db95440 RCX: 0000000000000000 [ 46.000462] RDX: ffff88800e67b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.001356] RBP: ffff88800db95454 R08: 0000000000000001 R09: 0000000000000000 [ 46.002256] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 46.003233] R13: ffffffff84e23fe0 R14: ffff88800db95448 R15: ffffffff84da7d60 [ 46.004175] FS: 00005555563fd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.005233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.005986] CR2: 00007ff78d1f46f4 CR3: 000000000dcea000 CR4: 0000000000350ef0 [ 46.006938] Call Trace: [ 46.007307] [ 46.007621] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 46.008306] ipv6_frags_init_net+0x206/0x3c0 [ 46.008894] ops_init+0xbb/0x6b0 [ 46.009398] setup_net+0x3d9/0x990 [ 46.009877] ? down_read_killable+0x1d7/0x4e0 [ 46.010497] ? __pfx_setup_net+0x10/0x10 [ 46.011044] ? copy_net_ns+0x17c/0x770 [ 46.011609] copy_net_ns+0x321/0x770 [ 46.012159] create_new_namespaces+0x3f6/0xb30 [ 46.012775] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.013457] ksys_unshare+0x44d/0x8e0 [ 46.013972] ? __pfx_ksys_unshare+0x10/0x10 [ 46.014572] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.015371] __x64_sys_unshare+0x31/0x40 [ 46.015913] do_syscall_64+0x3f/0x90 [ 46.016464] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.017172] RIP: 0033:0x7fbb0d24f0d7 [ 46.017660] 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 [ 46.019989] RSP: 002b:00007ffeedc8b718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 46.020990] RAX: ffffffffffffffda RBX: 00007ffeedc8bd58 RCX: 00007fbb0d24f0d7 [ 46.021935] RDX: 00007fbb0d2b941f RSI: 00007ffeedc8b6b0 RDI: 0000000040000000 [ 46.022880] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeedc8b4c0 [ 46.023826] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbb0d361bf0 [ 46.024764] R13: 00007ffeedc8b7f0 R14: 0000000000000000 R15: 00000000000000f8 [ 46.025721] [ 46.026038] irq event stamp: 10363 [ 46.026524] hardirqs last enabled at (10375): [] __up_console_sem+0x78/0x80 [ 46.027690] hardirqs last disabled at (10386): [] __up_console_sem+0x5d/0x80 [ 46.028829] softirqs last enabled at (10270): [] irq_exit_rcu+0x93/0xc0 [ 46.029922] softirqs last disabled at (10265): [] irq_exit_rcu+0x93/0xc0 [ 46.031026] ---[ end trace 0000000000000000 ]--- [ 46.032448] ------------[ cut here ]------------ [ 46.033175] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 46.035180] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.036288] Modules linked in: [ 46.036713] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 46.037937] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.039022] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.039740] 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 [ 46.042036] RSP: 0018:ffff888020237bf0 EFLAGS: 00010286 [ 46.042754] RAX: 0000000000000000 RBX: ffff88800e47c240 RCX: 0000000000000000 [ 46.043713] RDX: ffff88800e67b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.044641] RBP: ffff88800e47c254 R08: 0000000000000001 R09: 0000000000000000 [ 46.045581] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 46.046515] R13: ffffffff84e23fe0 R14: ffff88800e47c248 R15: ffffffff84db0aa0 [ 46.047493] FS: 00005555563fd400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.048547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.049323] CR2: 00007ff78d1f46f4 CR3: 000000000dcea000 CR4: 0000000000350ef0 [ 46.050261] Call Trace: [ 46.050603] [ 46.050929] nf_ct_net_init+0x224/0x3d0 [ 46.051505] ? __pfx_nf_ct_net_init+0x10/0x10 [ 46.052141] ops_init+0xbb/0x6b0 [ 46.052609] setup_net+0x3d9/0x990 [ 46.053125] ? down_read_killable+0x1d7/0x4e0 [ 46.053724] ? __pfx_setup_net+0x10/0x10 [ 46.054293] ? copy_net_ns+0x17c/0x770 [ 46.054847] copy_net_ns+0x321/0x770 [ 46.055387] create_new_namespaces+0x3f6/0xb30 [ 46.056001] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.056677] ksys_unshare+0x44d/0x8e0 [ 46.057220] ? __pfx_ksys_unshare+0x10/0x10 [ 46.057798] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.058573] __x64_sys_unshare+0x31/0x40 [ 46.059152] do_syscall_64+0x3f/0x90 [ 46.059659] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.060379] RIP: 0033:0x7fbb0d24f0d7 [ 46.060867] 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 [ 46.063156] RSP: 002b:00007ffeedc8b718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 46.064155] RAX: ffffffffffffffda RBX: 00007ffeedc8bd58 RCX: 00007fbb0d24f0d7 [ 46.065055] RDX: 00007fbb0d2b941f RSI: 00007ffeedc8b6b0 RDI: 0000000040000000 [ 46.065998] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeedc8b4c0 [ 46.066954] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbb0d361bf0 [ 46.067886] R13: 00007ffeedc8b7f0 R14: 0000000000000000 R15: 00000000000000f8 [ 46.068840] [ 46.069179] irq event stamp: 11149 [ 46.069641] hardirqs last enabled at (11159): [] __up_console_sem+0x78/0x80 [ 46.070759] hardirqs last disabled at (11170): [] __up_console_sem+0x5d/0x80 [ 46.071882] softirqs last enabled at (10798): [] irq_exit_rcu+0x93/0xc0 [ 46.072973] softirqs last disabled at (10793): [] irq_exit_rcu+0x93/0xc0 [ 46.074068] ---[ end trace 0000000000000000 ]--- executing program [ 47.554756] Bluetooth: hci0: command 0x0409 tx timeout [ 49.602859] Bluetooth: hci0: command 0x041b tx timeout executing program [ 51.650206] Bluetooth: hci0: command 0x040f tx timeout executing program [ 53.698156] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 20:02:18 Registers: info registers vcpu 0 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880202375f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 00005555563fd400 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=00007ff78d1f46f4 CR3=000000000dcea000 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=00000000000319d5 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=00000202 [-------] 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=00007f0e2e6c34c0 CR3=000000001601e000 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=9059b718124ac0b0e743e9af3d8a8613 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a309b4137247880c000000000013b0e8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=808cff88945a2acc00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000