Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:20242' (ECDSA) to the list of known hosts. 2023/05/17 10:03:42 fuzzer started 2023/05/17 10:03:43 dialing manager at localhost:35573 2023/05/17 10:03:43 checking machine... 2023/05/17 10:03:43 checking revisions... syzkaller login: [ 38.834535] kmemleak: Automatic memory scanning thread ended 2023/05/17 10:03:43 testing simple program... [ 38.898895] cgroup: Unknown subsys name 'net' [ 39.014443] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.021615] audit: type=1400 audit(1684317836.488:6): 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 [ 53.152520] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.155982] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.157714] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.159941] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.160939] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.162151] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.477433] ------------[ cut here ]------------ [ 53.477889] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.479067] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.479761] Modules linked in: [ 53.480065] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.480772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.481431] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.481834] 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 [ 53.486900] RSP: 0018:ffff888016e67c00 EFLAGS: 00010282 [ 53.487359] RAX: 0000000000000000 RBX: ffff88800daf9040 RCX: 0000000000000000 [ 53.487993] RDX: ffff888015a18000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.488547] RBP: ffff88800daf9054 R08: 0000000000000001 R09: 0000000000000000 [ 53.489131] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.489679] R13: ffffffff84e223a0 R14: ffff88800daf9048 R15: ffffffff84d73340 [ 53.490262] FS: 00005555571e3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.490960] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.491415] CR2: 00007f47398d36f4 CR3: 000000000e906000 CR4: 0000000000350ef0 [ 53.495173] Call Trace: [ 53.495385] [ 53.495566] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.495986] ipv4_frags_init_net+0x269/0x440 [ 53.496344] ops_init+0xbb/0x6b0 [ 53.501067] setup_net+0x3d9/0x990 [ 53.501365] ? down_read_killable+0x1d7/0x4e0 [ 53.501729] ? __pfx_setup_net+0x10/0x10 [ 53.502076] ? copy_net_ns+0x17c/0x770 [ 53.502397] copy_net_ns+0x321/0x770 [ 53.502726] create_new_namespaces+0x3f6/0xb30 [ 53.503735] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.504148] ksys_unshare+0x44d/0x8e0 [ 53.504460] ? __pfx_ksys_unshare+0x10/0x10 [ 53.504804] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.505290] __x64_sys_unshare+0x31/0x40 [ 53.505620] do_syscall_64+0x3f/0x90 [ 53.505949] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.506354] RIP: 0033:0x7f1a2ca910d7 [ 53.506951] 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 [ 53.508329] RSP: 002b:00007ffc3ab7c308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.508937] RAX: ffffffffffffffda RBX: 00007ffc3ab7c948 RCX: 00007f1a2ca910d7 [ 53.509483] RDX: 00007f1a2cafb41f RSI: 00007ffc3ab7c2a0 RDI: 0000000040000000 [ 53.510146] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3ab7c0b0 [ 53.510761] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a2cba3bf0 [ 53.511342] R13: 00007ffc3ab7c3e0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.511928] [ 53.512121] irq event stamp: 10049 [ 53.512395] hardirqs last enabled at (10059): [] __up_console_sem+0x78/0x80 [ 53.513081] hardirqs last disabled at (10070): [] __up_console_sem+0x5d/0x80 [ 53.513728] softirqs last enabled at (9588): [] irq_exit_rcu+0x93/0xc0 [ 53.514395] softirqs last disabled at (9577): [] irq_exit_rcu+0x93/0xc0 [ 53.515093] ---[ end trace 0000000000000000 ]--- [ 53.519268] ------------[ cut here ]------------ [ 53.519641] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.520744] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.521412] Modules linked in: [ 53.521668] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.522394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.523044] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.523438] 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 [ 53.524790] RSP: 0018:ffff888016e67c00 EFLAGS: 00010282 [ 53.525210] RAX: 0000000000000000 RBX: ffff88800ab9e040 RCX: 0000000000000000 [ 53.525736] RDX: ffff888015a18000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.526281] RBP: ffff88800ab9e054 R08: 0000000000000001 R09: 0000000000000000 [ 53.526833] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.527463] R13: ffffffff84e223a0 R14: ffff88800ab9e048 R15: ffffffff84da62e0 [ 53.528167] FS: 00005555571e3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.528969] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.529549] CR2: 00007f47398d36f4 CR3: 000000000e906000 CR4: 0000000000350ef0 [ 53.530286] Call Trace: [ 53.530526] [ 53.530774] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.531288] ipv6_frags_init_net+0x206/0x3c0 [ 53.531742] ops_init+0xbb/0x6b0 [ 53.532142] setup_net+0x3d9/0x990 [ 53.532512] ? down_read_killable+0x1d7/0x4e0 [ 53.533020] ? __pfx_setup_net+0x10/0x10 [ 53.533430] ? copy_net_ns+0x17c/0x770 [ 53.533833] copy_net_ns+0x321/0x770 [ 53.534257] create_new_namespaces+0x3f6/0xb30 [ 53.534740] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.535290] ksys_unshare+0x44d/0x8e0 [ 53.535686] ? __pfx_ksys_unshare+0x10/0x10 [ 53.536176] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.536756] __x64_sys_unshare+0x31/0x40 [ 53.537243] do_syscall_64+0x3f/0x90 [ 53.537633] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.538197] RIP: 0033:0x7f1a2ca910d7 [ 53.538644] 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 [ 53.540275] RSP: 002b:00007ffc3ab7c308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.540873] RAX: ffffffffffffffda RBX: 00007ffc3ab7c948 RCX: 00007f1a2ca910d7 [ 53.541403] RDX: 00007f1a2cafb41f RSI: 00007ffc3ab7c2a0 RDI: 0000000040000000 [ 53.541955] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3ab7c0b0 [ 53.542493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a2cba3bf0 [ 53.543068] R13: 00007ffc3ab7c3e0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.543610] [ 53.543796] irq event stamp: 11805 [ 53.544149] hardirqs last enabled at (11817): [] __up_console_sem+0x78/0x80 [ 53.544791] hardirqs last disabled at (11826): [] __up_console_sem+0x5d/0x80 [ 53.545450] softirqs last enabled at (11576): [] irq_exit_rcu+0x93/0xc0 [ 53.546121] softirqs last disabled at (11571): [] irq_exit_rcu+0x93/0xc0 [ 53.546760] ---[ end trace 0000000000000000 ]--- [ 53.547830] ------------[ cut here ]------------ [ 53.548214] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.549483] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.550173] Modules linked in: [ 53.550427] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.551273] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.551927] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.552332] 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 [ 53.553715] RSP: 0018:ffff888016e67bf0 EFLAGS: 00010286 [ 53.554173] RAX: 0000000000000000 RBX: ffff88800ab9e840 RCX: 0000000000000000 [ 53.554723] RDX: ffff888015a18000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.555290] RBP: ffff88800ab9e854 R08: 0000000000000001 R09: 0000000000000000 [ 53.555822] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.556379] R13: ffffffff84e223a0 R14: ffff88800ab9e848 R15: ffffffff84daf020 [ 53.556940] FS: 00005555571e3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.557534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.558000] CR2: 00007f47398d36f4 CR3: 000000000e906000 CR4: 0000000000350ef0 [ 53.558539] Call Trace: [ 53.559109] [ 53.559486] nf_ct_net_init+0x224/0x3d0 [ 53.560181] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.560966] ops_init+0xbb/0x6b0 [ 53.561528] setup_net+0x3d9/0x990 [ 53.562134] ? down_read_killable+0x1d7/0x4e0 [ 53.563034] ? __pfx_setup_net+0x10/0x10 [ 53.563901] ? copy_net_ns+0x17c/0x770 [ 53.564726] copy_net_ns+0x321/0x770 [ 53.565531] create_new_namespaces+0x3f6/0xb30 [ 53.566510] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.567357] ksys_unshare+0x44d/0x8e0 [ 53.568000] ? __pfx_ksys_unshare+0x10/0x10 [ 53.568711] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.569654] __x64_sys_unshare+0x31/0x40 [ 53.570348] do_syscall_64+0x3f/0x90 [ 53.571132] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.572246] RIP: 0033:0x7f1a2ca910d7 [ 53.573085] 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 [ 53.577210] RSP: 002b:00007ffc3ab7c308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.578823] RAX: ffffffffffffffda RBX: 00007ffc3ab7c948 RCX: 00007f1a2ca910d7 [ 53.580018] RDX: 00007f1a2cafb41f RSI: 00007ffc3ab7c2a0 RDI: 0000000040000000 [ 53.581185] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3ab7c0b0 [ 53.582352] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1a2cba3bf0 [ 53.583822] R13: 00007ffc3ab7c3e0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.585364] [ 53.585745] irq event stamp: 12557 [ 53.586483] hardirqs last enabled at (12569): [] __up_console_sem+0x78/0x80 [ 53.587905] hardirqs last disabled at (12580): [] __up_console_sem+0x5d/0x80 [ 53.589322] softirqs last enabled at (11576): [] irq_exit_rcu+0x93/0xc0 [ 53.590755] softirqs last disabled at (11571): [] irq_exit_rcu+0x93/0xc0 [ 53.592527] ---[ end trace 0000000000000000 ]--- executing program [ 55.218604] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.266702] Bluetooth: hci0: command 0x041b tx timeout [ 59.312909] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.362912] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:03:58 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016e67568 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 00005555571e3400 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=00007f47398d36f4 CR3=000000000e906000 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=00000000000256f7 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] 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 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=00007f80916fe248 CR3=000000000eb20000 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=b70456bd2e2676a9ff4551780c89cb33 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=b247f77ae006f281000000000010fd40 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=c4ead8091ef2aa3e00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000