syzkaller login: [ 39.012395] ------------[ cut here ]------------ [ 39.013352] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.015326] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.016763] Modules linked in: [ 39.017390] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.019374] Tainted: [W]=WARN [ 39.019971] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.021420] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.022358] 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 [ 39.025519] RSP: 0018:ffff8880158c7bc0 EFLAGS: 00010286 [ 39.026496] RAX: 0000000000000000 RBX: ffffed1002b18f78 RCX: ffffffff813a4050 [ 39.027758] RDX: ffff8880177a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.029042] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b18f2f [ 39.030355] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.031620] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880158c7df8 [ 39.032902] FS: 00007f7663467900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.034351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.035425] CR2: 00007ffe4a0d9ef7 CR3: 000000000e39f000 CR4: 0000000000350ef0 [ 39.036702] Call Trace: [ 39.037213] [ 39.037623] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.038539] ? __create_object+0x59/0x80 [ 39.039320] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.040288] __vmalloc_noprof+0x59/0x60 [ 39.041048] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.041934] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.042849] bpf_prog_alloc+0x39/0x200 [ 39.043534] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.044445] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.045340] do_seccomp+0x349/0x25e0 [ 39.046062] ? find_held_lock+0x2b/0x80 [ 39.046788] ? do_prlimit+0x310/0x610 [ 39.047536] ? __pfx_do_seccomp+0x10/0x10 [ 39.048307] ? do_raw_spin_unlock+0x53/0x220 [ 39.049132] ? _raw_spin_unlock+0x1e/0x40 [ 39.049919] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.050889] ? static_key_count+0x60/0x80 [ 39.051632] prctl_set_seccomp+0x4e/0x70 [ 39.052396] __do_sys_prctl+0xe6c/0x1d70 [ 39.053165] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.054046] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.055016] ? irqentry_exit+0xf3/0x650 [ 39.055734] do_syscall_64+0xbf/0x430 [ 39.056475] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.057433] RIP: 0033:0x7f76639595cd [ 39.058159] 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 [ 39.061303] RSP: 002b:00007ffe4a0d8740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.062667] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76639595cd [ 39.063945] RDX: 000055c206b5ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.065221] RBP: 00007ffe4a0d87a0 R08: 0000000000000000 R09: 00007ffe4a0d7e40 [ 39.066515] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c21be22ad0 [ 39.067783] R13: 00007ffe4a0d8bd0 R14: 000055c21be23bc0 R15: 000055c21be34780 [ 39.069141] [ 39.069562] irq event stamp: 1769 [ 39.070226] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 39.071736] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 39.073270] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 39.074848] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 39.076368] ---[ end trace 0000000000000000 ]--- [ 41.861450] ------------[ cut here ]------------ [ 41.861904] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.862780] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.863456] Modules linked in: [ 41.863725] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.864621] Tainted: [W]=WARN [ 41.864897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.865639] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.866185] 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 [ 41.867751] RSP: 0018:ffff888019e27bc0 EFLAGS: 00010286 [ 41.868195] RAX: 0000000000000000 RBX: ffffed10033c4f78 RCX: ffffffff813a4050 [ 41.868761] RDX: ffff88800f4a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.869340] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100d9c4849 [ 41.869938] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.870499] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e27df8 [ 41.871078] FS: 00007f8d4ba42900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.871712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.872189] CR2: 00007f8d4bf34580 CR3: 000000000cd8e000 CR4: 0000000000350ef0 [ 41.872754] Call Trace: [ 41.872981] [ 41.873167] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.873553] ? __create_object+0x59/0x80 [ 41.873915] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.874336] __vmalloc_noprof+0x59/0x60 [ 41.874659] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.875059] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.875461] bpf_prog_alloc+0x39/0x200 [ 41.875774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.876192] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.876584] do_seccomp+0x349/0x25e0 [ 41.876908] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.877296] ? __pfx_do_seccomp+0x10/0x10 [ 41.877632] ? find_held_lock+0x2b/0x80 [ 41.877982] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.878400] ? static_key_count+0x60/0x80 [ 41.878748] prctl_set_seccomp+0x4e/0x70 [ 41.879101] __do_sys_prctl+0xe6c/0x1d70 [ 41.879438] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.879878] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.880386] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.880823] ? irqentry_exit+0xf3/0x650 [ 41.881153] do_syscall_64+0xbf/0x430 [ 41.881481] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.882102] RIP: 0033:0x7f8d4bf345cd [ 41.882404] 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 [ 41.883862] RSP: 002b:00007ffd1e18e540 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.884576] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d4bf345cd [ 41.885164] RDX: 000055c896e79e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.885738] RBP: 00007ffd1e18e5a0 R08: 0000000000000000 R09: 00007ffd1e18dc40 [ 41.886507] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c8bb312ad0 [ 41.887126] R13: 00007ffd1e18e9d0 R14: 000055c8bb313bc0 R15: 000055c8bb324780 [ 41.887786] [ 41.888010] irq event stamp: 1941 [ 41.888287] hardirqs last enabled at (1949): [] __up_console_sem+0x78/0x80 [ 41.888981] hardirqs last disabled at (1958): [] __up_console_sem+0x5d/0x80 [ 41.889651] softirqs last enabled at (1506): [] handle_softirqs+0x50c/0x770 [ 41.890383] softirqs last disabled at (1975): [] __irq_exit_rcu+0xc4/0x100 [ 41.891078] ---[ end trace 0000000000000000 ]--- [ 42.689577] ------------[ cut here ]------------ [ 42.690353] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.692023] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.693218] Modules linked in: [ 42.693715] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.695362] Tainted: [W]=WARN [ 42.695852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.697064] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.697788] 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 [ 42.700420] RSP: 0018:ffff88801677fbc0 EFLAGS: 00010286 [ 42.701225] RAX: 0000000000000000 RBX: ffffed1002ceff78 RCX: ffffffff813a4050 [ 42.702296] RDX: ffff888013d05340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.703361] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ceff2f [ 42.704422] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.705471] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801677fdf8 [ 42.706557] FS: 00007ff76d2a1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.707763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.708636] CR2: 00007ff76d793580 CR3: 000000001f825000 CR4: 0000000000350ef0 [ 42.709713] Call Trace: [ 42.710133] [ 42.710473] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.711212] ? __create_object+0x59/0x80 [ 42.711867] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.712630] __vmalloc_noprof+0x59/0x60 [ 42.713254] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.713977] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.714704] bpf_prog_alloc+0x39/0x200 [ 42.715316] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.716077] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.716840] do_seccomp+0x349/0x25e0 [ 42.717399] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.718143] ? __pfx_do_seccomp+0x10/0x10 [ 42.718752] ? find_held_lock+0x2b/0x80 [ 42.719378] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.720164] ? static_key_count+0x60/0x80 [ 42.720783] prctl_set_seccomp+0x4e/0x70 [ 42.721434] __do_sys_prctl+0xe6c/0x1d70 [ 42.722081] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.722758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.723542] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.724332] ? irqentry_exit+0xf3/0x650 [ 42.724956] do_syscall_64+0xbf/0x430 [ 42.725534] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.726318] RIP: 0033:0x7ff76d7935cd [ 42.726888] 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 [ 42.729513] RSP: 002b:00007ffe005c80e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.730652] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff76d7935cd [ 42.731721] RDX: 000055bea1ccae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.732766] RBP: 00007ffe005c8140 R08: 0000000000000000 R09: 00007ffe005c77e0 [ 42.733830] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bed1d9fad0 [ 42.734889] R13: 00007ffe005c8570 R14: 000055bed1da0bc0 R15: 000055bed1db1780 [ 42.735973] [ 42.736324] irq event stamp: 1997 [ 42.736851] hardirqs last enabled at (2007): [] __up_console_sem+0x78/0x80 [ 42.738132] hardirqs last disabled at (2016): [] __up_console_sem+0x5d/0x80 [ 42.739406] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 42.740686] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 42.741963] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9269' (ECDSA) to the list of known hosts. 2025/11/18 13:32:14 fuzzer started 2025/11/18 13:32:14 dialing manager at localhost:34383 2025/11/18 13:32:14 checking machine... 2025/11/18 13:32:14 checking revisions... [ 43.676127] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:32:15 testing simple program... [ 43.753043] cgroup: Unknown subsys name 'net' [ 43.804285] cgroup: Unknown subsys name 'cpuset' [ 43.818209] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:32:14 Registers: info registers vcpu 0 RAX=00000000475e76a4 RBX=ffff888009611bc0 RCX=00000000dfb8078e RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff888009612618 RSP=ffff888009627648 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888009612640 R13=0000000008cd3ea4 R14=0000000000000000 R15=0000000000000001 RIP=ffffffff815275e3 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8d4bff9618 CR3=000000001f25c000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000020d2d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdcee92728 CR3=000000000dfa4000 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=2033313a32333a333120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033313a32333a3331203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000