syzkaller login: [ 46.176573] ------------[ cut here ]------------ [ 46.177516] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.179615] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 46.181139] Modules linked in: [ 46.181734] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.183738] Tainted: [W]=WARN [ 46.184342] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.185820] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.186763] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 46.189977] RSP: 0018:ffff888015f8fbc0 EFLAGS: 00010286 [ 46.190947] RAX: 0000000000000000 RBX: ffffed1002bf1f78 RCX: ffffffff813a4050 [ 46.192248] RDX: ffff88800b723780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.193540] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bf1f2f [ 46.194841] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.196134] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f8fdf8 [ 46.197424] FS: 00007febd3f60900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.198884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.199967] CR2: 00007ffe1fed7ef7 CR3: 000000001bb75000 CR4: 0000000000350ef0 [ 46.201263] Call Trace: [ 46.201730] [ 46.202190] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.203099] ? __create_object+0x59/0x80 [ 46.203840] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.204827] __vmalloc_noprof+0x59/0x60 [ 46.205600] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.206498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.207445] bpf_prog_alloc+0x39/0x200 [ 46.208191] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.209135] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.210011] do_seccomp+0x349/0x25e0 [ 46.210743] ? find_held_lock+0x2b/0x80 [ 46.211516] ? do_prlimit+0x310/0x610 [ 46.212264] ? __pfx_do_seccomp+0x10/0x10 [ 46.213011] ? do_raw_spin_unlock+0x53/0x220 [ 46.213862] ? _raw_spin_unlock+0x1e/0x40 [ 46.214677] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.215648] ? static_key_count+0x60/0x80 [ 46.216458] prctl_set_seccomp+0x4e/0x70 [ 46.217250] __do_sys_prctl+0xe6c/0x1d70 [ 46.218003] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.218880] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.219862] ? irqentry_exit+0xf3/0x650 [ 46.220634] do_syscall_64+0xbf/0x430 [ 46.221389] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.222373] RIP: 0033:0x7febd44525cd [ 46.223088] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 46.226298] RSP: 002b:00007ffe1fed5c80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.227678] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007febd44525cd [ 46.228991] RDX: 000055c591d35e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.230307] RBP: 00007ffe1fed5ce0 R08: 0000000000000000 R09: 00007ffe1fed5380 [ 46.231613] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c5b5688bf0 [ 46.232911] R13: 00007ffe1fed6110 R14: 000055c5b5692380 R15: 000055c5b569d460 [ 46.234275] [ 46.234659] irq event stamp: 1761 [ 46.235220] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 46.236496] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 46.237791] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 46.239110] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 46.240397] ---[ end trace 0000000000000000 ]--- [ 49.318304] ------------[ cut here ]------------ [ 49.319228] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.321254] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 49.322694] Modules linked in: [ 49.323339] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.325332] Tainted: [W]=WARN [ 49.325877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.327331] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.328236] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 49.331365] RSP: 0018:ffff888016cffbc0 EFLAGS: 00010286 [ 49.332331] RAX: 0000000000000000 RBX: ffffed1002d9ff78 RCX: ffffffff813a4050 [ 49.333583] RDX: ffff888009d0b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.334865] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9ff2f [ 49.336128] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.337405] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cffdf8 [ 49.338671] FS: 00007f9209a36900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.340111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.341156] CR2: 00007f9209f28580 CR3: 000000000dbf9000 CR4: 0000000000350ef0 [ 49.342432] Call Trace: [ 49.342889] [ 49.343336] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.344223] ? __create_object+0x59/0x80 [ 49.344954] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.345908] __vmalloc_noprof+0x59/0x60 [ 49.346672] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.347534] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.348458] bpf_prog_alloc+0x39/0x200 [ 49.349189] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.350124] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.350990] do_seccomp+0x349/0x25e0 [ 49.351700] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.352591] ? __pfx_do_seccomp+0x10/0x10 [ 49.353381] ? find_held_lock+0x2b/0x80 [ 49.354148] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.355110] ? static_key_count+0x60/0x80 [ 49.355867] prctl_set_seccomp+0x4e/0x70 [ 49.356639] __do_sys_prctl+0xe6c/0x1d70 [ 49.357425] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.358284] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.359254] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.360214] ? irqentry_exit+0xf3/0x650 [ 49.360925] do_syscall_64+0xbf/0x430 [ 49.361664] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.362624] RIP: 0033:0x7f9209f285cd [ 49.363319] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 49.366476] RSP: 002b:00007fffe194fa20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.367817] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9209f285cd [ 49.369085] RDX: 0000557dd77c7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.370380] RBP: 00007fffe194fa80 R08: 0000000000000000 R09: 00007fffe194f120 [ 49.371642] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557df264cbf0 [ 49.372906] R13: 00007fffe194feb0 R14: 0000557df2656380 R15: 0000557df2661460 [ 49.374218] [ 49.374603] irq event stamp: 1717 [ 49.375141] hardirqs last enabled at (1727): [] __up_console_sem+0x78/0x80 [ 49.376401] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 49.377663] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 49.378971] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 49.380228] ---[ end trace 0000000000000000 ]--- [ 50.029445] ------------[ cut here ]------------ [ 50.030353] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.032383] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 50.033817] Modules linked in: [ 50.034676] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.036705] Tainted: [W]=WARN [ 50.037307] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.038789] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.039705] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 50.042870] RSP: 0018:ffff888016297bc0 EFLAGS: 00010286 [ 50.043835] RAX: 0000000000000000 RBX: ffffed1002c52f78 RCX: ffffffff813a4050 [ 50.045112] RDX: ffff888016b80000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.046396] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c52f2f [ 50.047685] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.048962] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016297df8 [ 50.050264] FS: 00007f5f5c6d2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.051702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.052767] CR2: 00007f5f5cbc4580 CR3: 000000001b96e000 CR4: 0000000000350ef0 [ 50.054056] Call Trace: [ 50.054522] [ 50.054932] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.055822] ? __create_object+0x59/0x80 [ 50.056611] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.057588] __vmalloc_noprof+0x59/0x60 [ 50.058367] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.059256] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.060180] bpf_prog_alloc+0x39/0x200 [ 50.060874] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.061807] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.062726] do_seccomp+0x349/0x25e0 [ 50.063452] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.064363] ? __pfx_do_seccomp+0x10/0x10 [ 50.065155] ? find_held_lock+0x2b/0x80 [ 50.065867] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.066841] ? static_key_count+0x60/0x80 [ 50.067648] prctl_set_seccomp+0x4e/0x70 [ 50.068435] __do_sys_prctl+0xe6c/0x1d70 [ 50.069224] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.070105] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.071024] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.071996] ? irqentry_exit+0xf3/0x650 [ 50.072762] do_syscall_64+0xbf/0x430 [ 50.073490] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.074457] RIP: 0033:0x7f5f5cbc45cd [ 50.075161] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 50.078338] RSP: 002b:00007ffddc72e0d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.079700] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5f5cbc45cd [ 50.080972] RDX: 0000560abbcf5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.082257] RBP: 00007ffddc72e130 R08: 0000000000000000 R09: 00007ffddc72d7d0 [ 50.083535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560afb574ad0 [ 50.084792] R13: 00007ffddc72e560 R14: 0000560afb575bc0 R15: 0000560afb586780 [ 50.086111] [ 50.086527] irq event stamp: 1775 [ 50.087095] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 50.088353] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 50.089610] softirqs last enabled at (1552): [] handle_softirqs+0x50c/0x770 [ 50.090899] softirqs last disabled at (1543): [] __irq_exit_rcu+0xc4/0x100 [ 50.092160] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11104' (ECDSA) to the list of known hosts. 2025/11/18 00:36:57 fuzzer started 2025/11/18 00:36:57 dialing manager at localhost:37895 2025/11/18 00:36:57 checking machine... 2025/11/18 00:36:57 checking revisions... [ 50.942808] kmemleak: Automatic memory scanning thread ended 2025/11/18 00:36:58 testing simple program... [ 51.035612] cgroup: Unknown subsys name 'net' [ 51.107746] cgroup: Unknown subsys name 'cpuset' [ 51.127512] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:36:57 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff86ab843e RDX=0000000000000008 RSI=ffff88801ad5f5f0 RDI=ffff88801ad5f288 RBP=ffff88801ad5f2e0 RSP=ffff88801ad5f208 R8 =0000000000000001 R9 =ffff88801ad5f2c8 R10=000000000003c9ed R11=000000000002560c R12=ffff88801ad5f2e8 R13=ffff88801ad5f2d0 R14=ffff88801ad5f5f0 R15=ffff88801ad5f288 RIP=ffffffff8135e21c RFL=00000287 [--S--PC] 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 00007f9209a36900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f92099fb008 CR3=000000000bf7b000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000296f5 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe7ed495000 CR3=000000000d958000 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=34210fe6779df3955541f222ebdb9cbc XMM02=0000000000305380eff9b2d0a8fce9cb XMM03=00000000003054502c67c8bc2e329bc3 XMM04=298a08cdb9b3a06e00000000000ae988 XMM05=0394861f14684e590000000000321a20 XMM06=8002e45fd0150db4000000000031b250 XMM07=e042d86d42eb936e0000000000312c98 XMM08=eec92ddfb71bebee0000000000305450 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000