syzkaller login: [ 31.146646] sshd (211) used greatest stack depth: 23680 bytes left Warning: Permanently added '[localhost]:53884' (ECDSA) to the list of known hosts. 2023/05/17 20:36:07 fuzzer started 2023/05/17 20:36:07 dialing manager at localhost:44319 2023/05/17 20:36:08 checking machine... 2023/05/17 20:36:08 checking revisions... [ 35.580057] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:36:08 testing simple program... [ 35.650933] cgroup: Unknown subsys name 'net' [ 35.738272] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.837634] audit: type=1400 audit(1684355781.403:6): 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 [ 49.968673] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.971263] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.973977] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.978409] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.980837] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.982475] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.369658] ------------[ cut here ]------------ [ 50.370693] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.372697] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.373796] Modules linked in: [ 50.374226] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.379526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.380556] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.381229] 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 [ 50.383441] RSP: 0018:ffff88800dc17c00 EFLAGS: 00010282 [ 50.384142] RAX: 0000000000000000 RBX: ffff88800f809c40 RCX: 0000000000000000 [ 50.385082] RDX: ffff88800dd58000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.386039] RBP: ffff88800f809c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.387142] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.388042] R13: ffffffff84e23fe0 R14: ffff88800f809c48 R15: ffffffff84d74dc0 [ 50.388942] FS: 00005555555e0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.389959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.390689] CR2: 00007f8eaf9f5c70 CR3: 0000000008d74000 CR4: 0000000000350ee0 [ 50.391587] Call Trace: [ 50.391937] [ 50.392243] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.392848] ipv4_frags_init_net+0x269/0x440 [ 50.393434] ops_init+0xbb/0x6b0 [ 50.393912] setup_net+0x3d9/0x990 [ 50.394389] ? down_read_killable+0x1d7/0x4e0 [ 50.394981] ? __pfx_setup_net+0x10/0x10 [ 50.395500] ? copy_net_ns+0x17c/0x770 [ 50.396063] copy_net_ns+0x321/0x770 [ 50.396571] create_new_namespaces+0x3f6/0xb30 [ 50.397211] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.397882] ksys_unshare+0x44d/0x8e0 [ 50.398413] ? __pfx_ksys_unshare+0x10/0x10 [ 50.399003] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.399745] __x64_sys_unshare+0x31/0x40 [ 50.400309] do_syscall_64+0x3f/0x90 [ 50.400807] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.401514] RIP: 0033:0x7f9ec0ce10d7 [ 50.402022] 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 [ 50.404343] RSP: 002b:00007ffdeb8662f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.405340] RAX: ffffffffffffffda RBX: 00007ffdeb866938 RCX: 00007f9ec0ce10d7 [ 50.406293] RDX: 00007f9ec0d4b41f RSI: 00007ffdeb866290 RDI: 0000000040000000 [ 50.407233] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeb8660a0 [ 50.408162] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9ec0df3bf0 [ 50.409086] R13: 00007ffdeb8663d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.410028] [ 50.410353] irq event stamp: 10711 [ 50.410809] hardirqs last enabled at (10721): [] __up_console_sem+0x78/0x80 [ 50.411946] hardirqs last disabled at (10734): [] __up_console_sem+0x5d/0x80 [ 50.413075] softirqs last enabled at (10618): [] irq_exit_rcu+0x93/0xc0 [ 50.414182] softirqs last disabled at (10613): [] irq_exit_rcu+0x93/0xc0 [ 50.415297] ---[ end trace 0000000000000000 ]--- [ 50.420128] ------------[ cut here ]------------ [ 50.420749] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.422465] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.423588] Modules linked in: [ 50.424040] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.425260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.426337] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.427048] 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 [ 50.429359] RSP: 0018:ffff88800dc17c00 EFLAGS: 00010282 [ 50.430081] RAX: 0000000000000000 RBX: ffff88800b32da40 RCX: 0000000000000000 [ 50.431048] RDX: ffff88800dd58000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.432011] RBP: ffff88800b32da54 R08: 0000000000000001 R09: 0000000000000000 [ 50.432962] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.433834] R13: ffffffff84e23fe0 R14: ffff88800b32da48 R15: ffffffff84da7d60 [ 50.434738] FS: 00005555555e0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.435738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.436485] CR2: 00007f8eaf9f5c70 CR3: 0000000008d74000 CR4: 0000000000350ee0 [ 50.437427] Call Trace: [ 50.437766] [ 50.438108] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.438767] ipv6_frags_init_net+0x206/0x3c0 [ 50.439381] ops_init+0xbb/0x6b0 [ 50.439879] setup_net+0x3d9/0x990 [ 50.440355] ? down_read_killable+0x1d7/0x4e0 [ 50.440975] ? __pfx_setup_net+0x10/0x10 [ 50.441505] ? copy_net_ns+0x17c/0x770 [ 50.442060] copy_net_ns+0x321/0x770 [ 50.442595] create_new_namespaces+0x3f6/0xb30 [ 50.443224] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.443903] ksys_unshare+0x44d/0x8e0 [ 50.444418] ? __pfx_ksys_unshare+0x10/0x10 [ 50.445019] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.445770] __x64_sys_unshare+0x31/0x40 [ 50.446350] do_syscall_64+0x3f/0x90 [ 50.446881] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.447552] RIP: 0033:0x7f9ec0ce10d7 [ 50.448068] 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 [ 50.450374] RSP: 002b:00007ffdeb8662f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.451359] RAX: ffffffffffffffda RBX: 00007ffdeb866938 RCX: 00007f9ec0ce10d7 [ 50.452300] RDX: 00007f9ec0d4b41f RSI: 00007ffdeb866290 RDI: 0000000040000000 [ 50.453235] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeb8660a0 [ 50.454159] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9ec0df3bf0 [ 50.455107] R13: 00007ffdeb8663d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.456061] [ 50.456375] irq event stamp: 12227 [ 50.456834] hardirqs last enabled at (12237): [] __up_console_sem+0x78/0x80 executing program [ 50.457977] hardirqs last disabled at (12250): [] __up_console_sem+0x5d/0x80 [ 50.459381] softirqs last enabled at (11280): [] netlink_insert+0x187/0x1820 [ 50.460597] softirqs last disabled at (11278): [] release_sock+0x1f/0x1b0 [ 50.461736] ---[ end trace 0000000000000000 ]--- [ 50.463206] ------------[ cut here ]------------ [ 50.463795] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.465763] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.466894] Modules linked in: [ 50.467301] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.468470] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.469482] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.470223] 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 [ 50.472440] RSP: 0018:ffff88800dc17bf0 EFLAGS: 00010286 [ 50.473122] RAX: 0000000000000000 RBX: ffff8880160a4c40 RCX: 0000000000000000 [ 50.474019] RDX: ffff88800dd58000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.474915] RBP: ffff8880160a4c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.475774] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.476674] R13: ffffffff84e23fe0 R14: ffff8880160a4c48 R15: ffffffff84db0aa0 [ 50.477565] FS: 00005555555e0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.478573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.479316] CR2: 00007f8eaf9f5c70 CR3: 0000000008d74000 CR4: 0000000000350ee0 [ 50.480215] Call Trace: [ 50.480544] [ 50.480843] nf_ct_net_init+0x224/0x3d0 [ 50.481395] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.482004] ops_init+0xbb/0x6b0 [ 50.482473] setup_net+0x3d9/0x990 [ 50.482963] ? down_read_killable+0x1d7/0x4e0 [ 50.483542] ? __pfx_setup_net+0x10/0x10 [ 50.484078] ? copy_net_ns+0x17c/0x770 [ 50.484591] copy_net_ns+0x321/0x770 [ 50.485110] create_new_namespaces+0x3f6/0xb30 [ 50.485699] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.486357] ksys_unshare+0x44d/0x8e0 [ 50.486887] ? __pfx_ksys_unshare+0x10/0x10 [ 50.487435] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.488176] __x64_sys_unshare+0x31/0x40 [ 50.488699] do_syscall_64+0x3f/0x90 [ 50.489201] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.489896] RIP: 0033:0x7f9ec0ce10d7 [ 50.490401] 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 [ 50.492703] RSP: 002b:00007ffdeb8662f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.493709] RAX: ffffffffffffffda RBX: 00007ffdeb866938 RCX: 00007f9ec0ce10d7 [ 50.494660] RDX: 00007f9ec0d4b41f RSI: 00007ffdeb866290 RDI: 0000000040000000 [ 50.495585] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeb8660a0 [ 50.496523] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9ec0df3bf0 [ 50.497466] R13: 00007ffdeb8663d0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.498428] [ 50.498745] irq event stamp: 13073 [ 50.499232] hardirqs last enabled at (13085): [] __up_console_sem+0x78/0x80 [ 50.500364] hardirqs last disabled at (13096): [] __up_console_sem+0x5d/0x80 [ 50.501487] softirqs last enabled at (12634): [] irq_exit_rcu+0x93/0xc0 [ 50.502607] softirqs last disabled at (12611): [] irq_exit_rcu+0x93/0xc0 [ 50.503704] ---[ end trace 0000000000000000 ]--- [ 52.050691] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.098090] Bluetooth: hci0: command 0x041b tx timeout [ 56.145968] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.193988] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:36:22 Registers: info registers vcpu 0 RAX=000000000001d1ef RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f8eaf9bcbe0 CR3=000000000969e000 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=2032323a36333a30322037312079614d XMM01=5d3632323437332e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800dc175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 00005555555e0400 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=00007f8eaf9f5c70 CR3=0000000008d74000 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