syzkaller login: [ 38.858800] ------------[ cut here ]------------ [ 38.859606] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.861624] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.862844] Modules linked in: [ 38.863377] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.865023] Tainted: [W]=WARN [ 38.865544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.866777] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.867545] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 38.870234] RSP: 0018:ffff888017417bc0 EFLAGS: 00010286 [ 38.871017] RAX: 0000000000000000 RBX: ffffed1002e82f78 RCX: ffffffff813a4050 [ 38.872096] RDX: ffff888016713780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.873186] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e82f2f [ 38.874276] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.875355] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017417df8 [ 38.876437] FS: 00007fdf473a3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.877654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.878548] CR2: 00007fdf47895580 CR3: 0000000009e7e000 CR4: 0000000000350ef0 [ 38.879628] Call Trace: [ 38.880019] [ 38.880390] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.881105] ? __create_object+0x59/0x80 [ 38.881775] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.882587] __vmalloc_noprof+0x59/0x60 [ 38.883220] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.883916] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.884702] bpf_prog_alloc+0x39/0x200 [ 38.885331] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.886073] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.886832] do_seccomp+0x349/0x25e0 [ 38.887429] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.888152] ? __pfx_do_seccomp+0x10/0x10 [ 38.888823] ? find_held_lock+0x2b/0x80 [ 38.889469] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.890286] ? static_key_count+0x60/0x80 [ 38.890920] prctl_set_seccomp+0x4e/0x70 [ 38.891577] __do_sys_prctl+0xe6c/0x1d70 [ 38.892226] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.892903] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.893716] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.894531] ? irqentry_exit+0xf3/0x650 [ 38.895136] do_syscall_64+0xbf/0x430 [ 38.895757] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.896556] RIP: 0033:0x7fdf478955cd [ 38.897112] 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 [ 38.899777] RSP: 002b:00007ffe5dc4ef70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.900924] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdf478955cd [ 38.902153] RDX: 0000560b0290ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.903298] RBP: 00007ffe5dc4efd0 R08: 0000000000000000 R09: 00007ffe5dc4e670 [ 38.904404] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b1f4d72b0 [ 38.905525] R13: 00007ffe5dc4f400 R14: 0000560b1f4d9d20 R15: 0000560b1f4eb8d0 [ 38.906654] [ 38.907022] irq event stamp: 1761 [ 38.907589] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 38.908915] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 38.910266] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 38.911619] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 38.912937] ---[ end trace 0000000000000000 ]--- [ 41.856758] ------------[ cut here ]------------ [ 41.857767] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.859835] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.861344] Modules linked in: [ 41.861981] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.864283] Tainted: [W]=WARN [ 41.864865] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.866499] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.867439] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 41.870744] RSP: 0018:ffff888017547bc0 EFLAGS: 00010286 [ 41.871775] RAX: 0000000000000000 RBX: ffffed1002ea8f78 RCX: ffffffff813a4050 [ 41.873104] RDX: ffff88800f40b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.874462] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea8f2f [ 41.875789] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.877127] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017547df8 [ 41.878496] FS: 00007f89ea969900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.879982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.881091] CR2: 00007fff9a230ef7 CR3: 0000000020c32000 CR4: 0000000000350ef0 [ 41.882464] Call Trace: [ 41.882961] [ 41.883421] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.884372] ? __create_object+0x59/0x80 [ 41.885140] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.886153] __vmalloc_noprof+0x59/0x60 [ 41.886979] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.887893] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.888875] bpf_prog_alloc+0x39/0x200 [ 41.889653] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.890647] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.891594] do_seccomp+0x349/0x25e0 [ 41.892307] ? find_held_lock+0x2b/0x80 [ 41.893033] ? do_prlimit+0x310/0x610 [ 41.893820] ? __pfx_do_seccomp+0x10/0x10 [ 41.894655] ? do_raw_spin_unlock+0x53/0x220 [ 41.895523] ? _raw_spin_unlock+0x1e/0x40 [ 41.896321] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.897350] ? static_key_count+0x60/0x80 [ 41.898148] prctl_set_seccomp+0x4e/0x70 [ 41.898959] __do_sys_prctl+0xe6c/0x1d70 [ 41.899787] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.900699] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.901732] ? irqentry_exit+0xf3/0x650 [ 41.902538] do_syscall_64+0xbf/0x430 [ 41.903288] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.904314] RIP: 0033:0x7f89eae5b5cd [ 41.905011] 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 [ 41.908558] RSP: 002b:00007fff9a22fda0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.910326] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89eae5b5cd [ 41.911951] RDX: 0000555926d8fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.913292] RBP: 00007fff9a22fe00 R08: 0000000000000000 R09: 00007fff9a22f4a0 [ 41.914676] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555960c782b0 [ 41.915988] R13: 00007fff9a230230 R14: 0000555960c7ad20 R15: 0000555960c8c8d0 [ 41.917349] [ 41.917800] irq event stamp: 1827 [ 41.918469] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 41.920039] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 41.921659] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 41.923088] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 41.924385] ---[ end trace 0000000000000000 ]--- [ 42.719890] ------------[ cut here ]------------ [ 42.720826] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.722858] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.724574] Modules linked in: [ 42.725341] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.727364] Tainted: [W]=WARN [ 42.727927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.729432] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.730354] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.733549] RSP: 0018:ffff88801848fbc0 EFLAGS: 00010286 [ 42.734558] RAX: 0000000000000000 RBX: ffffed1003091f78 RCX: ffffffff813a4050 [ 42.735847] RDX: ffff888017038000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.737158] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003091f2f [ 42.738493] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.739793] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801848fdf8 [ 42.741112] FS: 00007fabb5ba2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.742585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.743666] CR2: 00007fabb6094580 CR3: 00000000206c4000 CR4: 0000000000350ef0 [ 42.744952] Call Trace: [ 42.745474] [ 42.745892] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.746811] ? __create_object+0x59/0x80 [ 42.747598] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.748576] __vmalloc_noprof+0x59/0x60 [ 42.749372] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.750253] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.751156] bpf_prog_alloc+0x39/0x200 [ 42.751907] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.752824] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.753748] do_seccomp+0x349/0x25e0 [ 42.754489] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.755401] ? __pfx_do_seccomp+0x10/0x10 [ 42.756163] ? find_held_lock+0x2b/0x80 [ 42.756936] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.757918] ? static_key_count+0x60/0x80 [ 42.758739] prctl_set_seccomp+0x4e/0x70 [ 42.759516] __do_sys_prctl+0xe6c/0x1d70 [ 42.760317] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.761146] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.762135] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.763127] ? irqentry_exit+0xf3/0x650 [ 42.763891] do_syscall_64+0xbf/0x430 [ 42.764662] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.765647] RIP: 0033:0x7fabb60945cd [ 42.766361] 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 [ 42.769562] RSP: 002b:00007fffba68a960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.770941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabb60945cd [ 42.772240] RDX: 000055f100a00e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.773586] RBP: 00007fffba68a9c0 R08: 0000000000000000 R09: 00007fffba68a060 [ 42.774881] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1214caad0 [ 42.776190] R13: 00007fffba68adf0 R14: 000055f1214cbbc0 R15: 000055f1214dc780 [ 42.777518] [ 42.777947] irq event stamp: 1813 [ 42.778611] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 42.780162] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 42.781734] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.783041] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 42.784308] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20547' (ECDSA) to the list of known hosts. 2025/11/18 13:54:07 fuzzer started 2025/11/18 13:54:07 dialing manager at localhost:34383 2025/11/18 13:54:07 checking machine... 2025/11/18 13:54:07 checking revisions... [ 43.679464] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:54:07 testing simple program... [ 43.759745] cgroup: Unknown subsys name 'net' [ 43.837697] cgroup: Unknown subsys name 'cpuset' [ 43.856415] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:54:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=000000000000001e RCX=000000000285d76f RDX=0000000002ca7f00 RSI=0000000000000000 RDI=0000000000000000 RBP=000055d9bfc68030 RSP=00007ffd5e5c8430 R8 =00135eda6249c632 R9 =00007fdd2efc4000 R10=00007fdd2efc4010 R11=0000000000014012 R12=00007ffd5e5c8ae0 R13=00007ffd5e5c8880 R14=00007ffd5e5c88a0 R15=0000000000000000 RIP=000055d9882d705c RFL=00000246 [---Z-P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fdd2e36f900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd03872428 CR3=000000000e2b0000 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=6818b9c1105619979946f5ea9c9ef2be XMM02=eff9b2d0a8fce9cb0000000000302890 XMM03=2c67c8bc2e329bc300000000003029b8 XMM04=b30ea217ab1e322600000000000ae988 XMM05=abbcba3a1878524e0000000000320050 XMM06=f679e25e25c6dd5e000000000031f0f8 XMM07=fb795ef6d6577056000000000030e810 XMM08=2c67c8bc2e329bc300000000003029b8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000126d9 RBX=0000000000000000 RCX=0000000000000040 RDX=0000000000000000 RSI=ffffffff8100147f RDI=ffffffff84c98873 RBP=ffffffff8649b740 RSP=ffff888017477c30 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=0000000000000009 R13=ffff8880171b1400 R14=ffff88801751d720 R15=ffff88801751d000 RIP=ffffffff81001924 RFL=00000086 [--S--P-] 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 00007f89ea969900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff9a229000 CR3=000000000d616000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000