[ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 32.933241] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:29277' (ECDSA) to the list of known hosts. 2023/05/17 02:02:44 fuzzer started 2023/05/17 02:02:45 dialing manager at localhost:35573 2023/05/17 02:02:45 checking machine... 2023/05/17 02:02:45 checking revisions... [ 34.305539] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:02:45 testing simple program... [ 34.376225] cgroup: Unknown subsys name 'net' [ 34.437598] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 47.905049] audit: type=1400 audit(1684288978.772:6): 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 [ 48.993525] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 48.995334] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 48.997647] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.000799] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.002904] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.004105] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 49.375358] ------------[ cut here ]------------ [ 49.375997] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.377678] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.378745] Modules linked in: [ 49.379193] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.382617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.384953] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.385772] 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 [ 49.387988] RSP: 0018:ffff88802016fc00 EFLAGS: 00010282 [ 49.388668] RAX: 0000000000000000 RBX: ffff88800efcd040 RCX: 0000000000000000 [ 49.389566] RDX: ffff888020160000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.390491] RBP: ffff88800efcd054 R08: 0000000000000001 R09: 0000000000000000 [ 49.391422] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.392340] R13: ffffffff84e223a0 R14: ffff88800efcd048 R15: ffffffff84d73340 [ 49.393283] FS: 00005555574dc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.394356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.395128] CR2: 00007ff49a1e56f4 CR3: 000000000e5f0000 CR4: 0000000000350ef0 [ 49.396062] Call Trace: [ 49.396395] [ 49.396693] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.397344] ipv4_frags_init_net+0x269/0x440 [ 49.397921] ops_init+0xbb/0x6b0 [ 49.398396] setup_net+0x3d9/0x990 [ 49.398843] ? down_read_killable+0x1d7/0x4e0 [ 49.399445] ? __pfx_setup_net+0x10/0x10 [ 49.399949] ? copy_net_ns+0x17c/0x770 [ 49.400493] copy_net_ns+0x321/0x770 [ 49.400965] create_new_namespaces+0x3f6/0xb30 [ 49.401615] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.402286] ksys_unshare+0x44d/0x8e0 [ 49.402801] ? __pfx_ksys_unshare+0x10/0x10 [ 49.403408] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.404186] __x64_sys_unshare+0x31/0x40 [ 49.404723] do_syscall_64+0x3f/0x90 [ 49.405243] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.405920] RIP: 0033:0x7f55be61c0d7 [ 49.406456] 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 [ 49.408749] RSP: 002b:00007ffde5e8de98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.409765] RAX: ffffffffffffffda RBX: 00007ffde5e8e4d8 RCX: 00007f55be61c0d7 [ 49.410697] RDX: 00007f55be68641f RSI: 00007ffde5e8de30 RDI: 0000000040000000 [ 49.411619] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde5e8dc40 [ 49.412544] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f55be72ebf0 [ 49.413474] R13: 00007ffde5e8df70 R14: 0000000000000000 R15: 00000000000000f8 [ 49.414429] [ 49.414740] irq event stamp: 8089 [ 49.415212] hardirqs last enabled at (8101): [] __up_console_sem+0x78/0x80 [ 49.416308] hardirqs last disabled at (8112): [] __up_console_sem+0x5d/0x80 [ 49.417415] softirqs last enabled at (7748): [] irq_exit_rcu+0x93/0xc0 [ 49.418522] softirqs last disabled at (7739): [] irq_exit_rcu+0x93/0xc0 [ 49.419600] ---[ end trace 0000000000000000 ]--- [ 49.424698] ------------[ cut here ]------------ [ 49.425342] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.427065] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.428162] Modules linked in: [ 49.428587] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.429815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.430878] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.431578] 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 [ 49.433838] RSP: 0018:ffff88802016fc00 EFLAGS: 00010282 [ 49.434556] RAX: 0000000000000000 RBX: ffff888013db9c40 RCX: 0000000000000000 [ 49.435481] RDX: ffff888020160000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.436408] RBP: ffff888013db9c54 R08: 0000000000000001 R09: 0000000000000000 [ 49.437329] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.438288] R13: ffffffff84e223a0 R14: ffff888013db9c48 R15: ffffffff84da62e0 [ 49.439221] FS: 00005555574dc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.440256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.440987] CR2: 00007ff49a1e56f4 CR3: 000000000e5f0000 CR4: 0000000000350ef0 [ 49.441921] Call Trace: [ 49.442293] [ 49.442599] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.443257] ipv6_frags_init_net+0x206/0x3c0 [ 49.443830] ops_init+0xbb/0x6b0 [ 49.444313] setup_net+0x3d9/0x990 [ 49.444784] ? down_read_killable+0x1d7/0x4e0 [ 49.445400] ? __pfx_setup_net+0x10/0x10 [ 49.445958] ? copy_net_ns+0x17c/0x770 [ 49.446507] copy_net_ns+0x321/0x770 [ 49.447003] create_new_namespaces+0x3f6/0xb30 [ 49.447647] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.448324] ksys_unshare+0x44d/0x8e0 [ 49.448833] ? __pfx_ksys_unshare+0x10/0x10 [ 49.449433] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.450226] __x64_sys_unshare+0x31/0x40 [ 49.450768] do_syscall_64+0x3f/0x90 [ 49.451287] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.451956] RIP: 0033:0x7f55be61c0d7 [ 49.452468] 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 [ 49.454763] RSP: 002b:00007ffde5e8de98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.455750] RAX: ffffffffffffffda RBX: 00007ffde5e8e4d8 RCX: 00007f55be61c0d7 [ 49.456676] RDX: 00007f55be68641f RSI: 00007ffde5e8de30 RDI: 0000000040000000 [ 49.457633] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde5e8dc40 [ 49.458561] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f55be72ebf0 [ 49.459485] R13: 00007ffde5e8df70 R14: 0000000000000000 R15: 00000000000000f8 [ 49.460435] [ 49.460743] irq event stamp: 9619 [ 49.461212] hardirqs last enabled at (9631): [] __up_console_sem+0x78/0x80 [ 49.462336] hardirqs last disabled at (9642): [] __up_console_sem+0x5d/0x80 [ 49.463453] softirqs last enabled at (8634): [] netlink_insert+0x187/0x1820 [ 49.464567] softirqs last disabled at (8632): [] release_sock+0x1f/0x1b0 [ 49.465670] ---[ end trace 0000000000000000 ]--- [ 49.467081] ------------[ cut here ]------------ [ 49.467689] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.469742] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.470860] Modules linked in: [ 49.471308] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.472511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.473576] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.474268] 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 [ 49.476564] RSP: 0018:ffff88802016fbf0 EFLAGS: 00010286 [ 49.477272] RAX: 0000000000000000 RBX: ffff888013db9a40 RCX: 0000000000000000 [ 49.478226] RDX: ffff888020160000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.479150] RBP: ffff888013db9a54 R08: 0000000000000001 R09: 0000000000000000 [ 49.480073] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.480971] R13: ffffffff84e223a0 R14: ffff888013db9a48 R15: ffffffff84daf020 [ 49.481925] FS: 00005555574dc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.482975] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.483752] CR2: 00007ff49a1e56f4 CR3: 000000000e5f0000 CR4: 0000000000350ef0 [ 49.484693] Call Trace: [ 49.485072] [ 49.485383] nf_ct_net_init+0x224/0x3d0 [ 49.485929] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.486560] ops_init+0xbb/0x6b0 [ 49.487058] setup_net+0x3d9/0x990 [ 49.487534] ? down_read_killable+0x1d7/0x4e0 [ 49.488149] ? __pfx_setup_net+0x10/0x10 [ 49.488679] ? copy_net_ns+0x17c/0x770 [ 49.489233] copy_net_ns+0x321/0x770 [ 49.489730] create_new_namespaces+0x3f6/0xb30 [ 49.490366] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.490978] ksys_unshare+0x44d/0x8e0 [ 49.491499] ? __pfx_ksys_unshare+0x10/0x10 [ 49.492071] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.492776] __x64_sys_unshare+0x31/0x40 [ 49.493317] do_syscall_64+0x3f/0x90 [ 49.493793] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.494452] RIP: 0033:0x7f55be61c0d7 [ 49.494913] 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 [ 49.497069] RSP: 002b:00007ffde5e8de98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.497993] RAX: ffffffffffffffda RBX: 00007ffde5e8e4d8 RCX: 00007f55be61c0d7 [ 49.498892] RDX: 00007f55be68641f RSI: 00007ffde5e8de30 RDI: 0000000040000000 [ 49.499802] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde5e8dc40 [ 49.500695] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f55be72ebf0 [ 49.501593] R13: 00007ffde5e8df70 R14: 0000000000000000 R15: 00000000000000f8 [ 49.502506] [ 49.502806] irq event stamp: 10455 [ 49.503266] hardirqs last enabled at (10467): [] __up_console_sem+0x78/0x80 [ 49.504334] hardirqs last disabled at (10478): [] __up_console_sem+0x5d/0x80 [ 49.505395] softirqs last enabled at (10404): [] irq_exit_rcu+0x93/0xc0 [ 49.506445] softirqs last disabled at (10395): [] irq_exit_rcu+0x93/0xc0 [ 49.507484] ---[ end trace 0000000000000000 ]--- [ 51.082686] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.130501] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.179145] Bluetooth: hci0: command 0x040f tx timeout [ 57.226149] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:02:54 Registers: info registers vcpu 0 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88802016f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 00005555574dc400 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=00007ff49a1e56f4 CR3=000000000e5f0000 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=00000000000384ad 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=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=00007f8f484f2370 CR3=000000000e716000 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=2030303a33303a32302037312079614d XMM01=5d3339313937332e39342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000