syzkaller login: [ 39.035152] ------------[ cut here ]------------ [ 39.035935] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.037607] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.038826] Modules linked in: [ 39.039322] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.040978] Tainted: [W]=WARN [ 39.041487] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.042701] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.043472] 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 [ 39.046102] RSP: 0018:ffff888015cc7bc0 EFLAGS: 00010286 [ 39.046924] RAX: 0000000000000000 RBX: ffffed1002b98f78 RCX: ffffffff813a4050 [ 39.047992] RDX: ffff88800987b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.049046] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b98f2f [ 39.050111] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.051172] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015cc7df8 [ 39.052238] FS: 00007f2a2ad80900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.053445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.054276] CR2: 00007ffd062a0ef7 CR3: 000000000fdac000 CR4: 0000000000350ef0 [ 39.055332] Call Trace: [ 39.055758] [ 39.056094] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.056844] ? __create_object+0x59/0x80 [ 39.057501] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.058264] __vmalloc_noprof+0x59/0x60 [ 39.058903] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.059627] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.060395] bpf_prog_alloc+0x39/0x200 [ 39.060968] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.061749] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.062499] do_seccomp+0x349/0x25e0 [ 39.063061] ? find_held_lock+0x2b/0x80 [ 39.063696] ? do_prlimit+0x310/0x610 [ 39.064272] ? __pfx_do_seccomp+0x10/0x10 [ 39.064926] ? do_raw_spin_unlock+0x53/0x220 [ 39.065629] ? _raw_spin_unlock+0x1e/0x40 [ 39.066233] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.067025] ? static_key_count+0x60/0x80 [ 39.067699] prctl_set_seccomp+0x4e/0x70 [ 39.068305] __do_sys_prctl+0xe6c/0x1d70 [ 39.068965] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.069697] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.070491] ? irqentry_exit+0xf3/0x650 [ 39.071078] do_syscall_64+0xbf/0x430 [ 39.071695] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.072488] RIP: 0033:0x7f2a2b2725cd [ 39.073031] 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 [ 39.075663] RSP: 002b:00007ffd0629f520 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.076807] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a2b2725cd [ 39.077889] RDX: 000055e769cf2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.078959] RBP: 00007ffd0629f580 R08: 0000000000000000 R09: 00007ffd0629ec20 [ 39.080029] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e7827f4ad0 [ 39.081105] R13: 00007ffd0629f9b0 R14: 000055e7827f5bc0 R15: 000055e782806780 [ 39.082185] [ 39.082566] irq event stamp: 1793 [ 39.083066] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 39.084325] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 39.085624] softirqs last enabled at (1460): [] handle_softirqs+0x50c/0x770 [ 39.086919] softirqs last disabled at (1455): [] __irq_exit_rcu+0xc4/0x100 [ 39.088187] ---[ end trace 0000000000000000 ]--- [ 42.563514] ------------[ cut here ]------------ [ 42.564431] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.566502] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.568168] Modules linked in: [ 42.568871] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.570881] Tainted: [W]=WARN [ 42.571483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.572974] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.573925] 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 [ 42.577123] RSP: 0018:ffff88801c5afbc0 EFLAGS: 00010286 [ 42.578152] RAX: 0000000000000000 RBX: ffffed10038b5f78 RCX: ffffffff813a4050 [ 42.579461] RDX: ffff888009879bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.580769] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038b5f2f [ 42.582081] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.583386] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c5afdf8 [ 42.584690] FS: 00007f8fddb4e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.586155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.587234] CR2: 00007ffff4710ef7 CR3: 000000001f612000 CR4: 0000000000350ef0 [ 42.588540] Call Trace: [ 42.589011] [ 42.589476] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.590390] ? __create_object+0x59/0x80 [ 42.591137] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.592119] __vmalloc_noprof+0x59/0x60 [ 42.592876] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.593771] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.594718] bpf_prog_alloc+0x39/0x200 [ 42.595474] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.596422] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.597298] do_seccomp+0x349/0x25e0 [ 42.598029] ? find_held_lock+0x2b/0x80 [ 42.598796] ? do_prlimit+0x310/0x610 [ 42.599545] ? __pfx_do_seccomp+0x10/0x10 [ 42.600294] ? do_raw_spin_unlock+0x53/0x220 [ 42.601147] ? _raw_spin_unlock+0x1e/0x40 [ 42.601938] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.602914] ? static_key_count+0x60/0x80 [ 42.603722] prctl_set_seccomp+0x4e/0x70 [ 42.604512] __do_sys_prctl+0xe6c/0x1d70 [ 42.605264] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.606136] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.607119] ? irqentry_exit+0xf3/0x650 [ 42.607898] do_syscall_64+0xbf/0x430 [ 42.608648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.609608] RIP: 0033:0x7f8fde0405cd [ 42.610283] 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 [ 42.613452] RSP: 002b:00007ffff470e980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.614840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fde0405cd [ 42.616146] RDX: 000055ad7d55fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.617464] RBP: 00007ffff470e9e0 R08: 0000000000000000 R09: 00007ffff470e080 [ 42.618770] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ad93ed7240 [ 42.620065] R13: 00007ffff470ee10 R14: 000055ad93ed6bf0 R15: 000055ad93eeb4d0 [ 42.621404] [ 42.621835] irq event stamp: 1807 [ 42.622491] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.624033] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.625584] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.627149] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 42.628685] ---[ end trace 0000000000000000 ]--- [ 43.500860] ------------[ cut here ]------------ [ 43.501861] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.503932] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.505482] Modules linked in: [ 43.506096] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.508171] Tainted: [W]=WARN [ 43.508800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.510364] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.511271] 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 [ 43.514592] RSP: 0018:ffff88800f2cfbc0 EFLAGS: 00010286 [ 43.515615] RAX: 0000000000000000 RBX: ffffed1001e59f78 RCX: ffffffff813a4050 [ 43.516962] RDX: ffff888016eb1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.518584] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e59f2f [ 43.520040] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.521392] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2cfdf8 [ 43.522704] FS: 00007f7d8e7d6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.524177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.525289] CR2: 00007f7d8ecc8580 CR3: 000000001f4b3000 CR4: 0000000000350ef0 [ 43.526741] Call Trace: [ 43.527249] [ 43.527748] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.528715] ? __create_object+0x59/0x80 [ 43.529570] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.530631] __vmalloc_noprof+0x59/0x60 [ 43.531455] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.532408] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.533446] bpf_prog_alloc+0x39/0x200 [ 43.534198] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.535211] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.536198] do_seccomp+0x349/0x25e0 [ 43.536983] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.537980] ? __pfx_do_seccomp+0x10/0x10 [ 43.538840] ? find_held_lock+0x2b/0x80 [ 43.539654] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.540710] ? static_key_count+0x60/0x80 [ 43.541600] prctl_set_seccomp+0x4e/0x70 [ 43.542465] __do_sys_prctl+0xe6c/0x1d70 [ 43.543270] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.544206] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.545282] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.546367] ? irqentry_exit+0xf3/0x650 [ 43.547143] do_syscall_64+0xbf/0x430 [ 43.547957] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.548999] RIP: 0033:0x7f7d8ecc85cd [ 43.549776] 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 [ 43.553236] RSP: 002b:00007fff749372e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.554727] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d8ecc85cd [ 43.556136] RDX: 000055990d720e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.557591] RBP: 00007fff74937340 R08: 0000000000000000 R09: 00007fff749369e0 [ 43.559090] R10: 0000000000000000 R11: 0000000000000246 R12: 000055994a7c9ad0 [ 43.560541] R13: 00007fff74937770 R14: 000055994a7cabc0 R15: 000055994a7db780 [ 43.562025] [ 43.562557] irq event stamp: 1725 [ 43.563243] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 43.564961] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 43.566691] softirqs last enabled at (1558): [] handle_softirqs+0x50c/0x770 [ 43.568462] softirqs last disabled at (1553): [] __irq_exit_rcu+0xc4/0x100 [ 43.570084] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25896' (ECDSA) to the list of known hosts. 2025/11/18 13:37:34 fuzzer started 2025/11/18 13:37:34 dialing manager at localhost:34383 2025/11/18 13:37:34 checking machine... 2025/11/18 13:37:34 checking revisions... [ 44.289552] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:37:34 testing simple program... [ 44.365655] cgroup: Unknown subsys name 'net' [ 44.443128] cgroup: Unknown subsys name 'cpuset' [ 44.455166] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:37:34 Registers: info registers vcpu 0 RAX=00000000c59bb32f RBX=000000007dff1cd4 RCX=000000001c9b47ed RDX=000000000000000b RSI=ffff88806ce08c1c RDI=0000000000000001 RBP=0000000000000001 RSP=ffff88806ce08b60 R8 =00000000ff94be56 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffff88806ce08bc8 R15=000000000000000b RIP=ffffffff82642b38 RFL=00000a16 [-O--AP-] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f8776d43900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8777530008 CR3=000000001f4a7000 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=00ff00000000000000000000000000ff XMM01=ff00ffffffffffffffffffffffffff00 XMM02=2e322e325f4342494c4700352e322e32 XMM03=0000000000000000004700352e322e32 XMM04=4342494c4700362e322e325f4342494c XMM05=00007f87772fcf6000007f87774b6950 XMM06=00007f87774b644000007f87774b5f20 XMM07=00007f8776e0012000007f8776dffb10 XMM08=00007f8776dff5f000007f8776dff060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000b8c59dc2 RBX=ffff8880096fb780 RCX=0000000044d0e429 RDX=0000000024a3f9d4 RSI=0000000008cd3ea4 RDI=0000000081125d94 RBP=ffff8880096fc1d8 RSP=ffff8880097576b8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff8880096fc200 R13=0000000008cd3ea4 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815275cc RFL=00000082 [--S----] 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 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=00007f8fde1060b0 CR3=0000000017681000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=01db8f1d1756738700000000000ae988 XMM05=c29183131380be72000000000031f1c8 XMM06=474038aa6c007e1f000000000031dfb8 XMM07=fb795ef6d6577056000000000030d6a8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000