[ 38.996447] ------------[ cut here ]------------ [ 38.997532] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.999843] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.001559] Modules linked in: [ 39.002304] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.004620] Tainted: [W]=WARN [ 39.005323] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.007032] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.008109] 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 [ 39.011781] RSP: 0018:ffff88801704fbc0 EFLAGS: 00010286 [ 39.012918] RAX: 0000000000000000 RBX: ffffed1002e09f78 RCX: ffffffff813a4050 [ 39.014404] RDX: ffff8880162c1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.015907] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e09f2f [ 39.017401] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.018878] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801704fdf8 [ 39.020378] FS: 00007fe13807b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.022036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.023289] CR2: 00007ffd86ed4ef7 CR3: 000000000dfc4000 CR4: 0000000000350ef0 [ 39.024774] Call Trace: [ 39.025365] [ 39.025836] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.026879] ? __create_object+0x59/0x80 [ 39.027719] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.028699] __vmalloc_noprof+0x59/0x60 [ 39.029465] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.030325] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.031265] bpf_prog_alloc+0x39/0x200 [ 39.031941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.032855] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.033762] do_seccomp+0x349/0x25e0 [ 39.034477] ? find_held_lock+0x2b/0x80 [ 39.035241] ? do_prlimit+0x310/0x610 [ 39.035915] ? __pfx_do_seccomp+0x10/0x10 [ 39.036681] ? do_raw_spin_unlock+0x53/0x220 [ 39.037519] ? _raw_spin_unlock+0x1e/0x40 [ 39.038310] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.039270] ? static_key_count+0x60/0x80 [ 39.040048] prctl_set_seccomp+0x4e/0x70 [ 39.040765] __do_sys_prctl+0xe6c/0x1d70 [ 39.041555] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.042403] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.043369] ? irqentry_exit+0xf3/0x650 [ 39.044124] do_syscall_64+0xbf/0x430 [ 39.044812] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.045739] RIP: 0033:0x7fe13856d5cd [ 39.046442] 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 [ 39.049560] RSP: 002b:00007ffd86ed3730 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.050905] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe13856d5cd [ 39.052170] RDX: 000056479d5dce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.053433] RBP: 00007ffd86ed3790 R08: 0000000000000000 R09: 00007ffd86ed2e30 [ 39.054703] R10: 0000000000000000 R11: 0000000000000246 R12: 00005647d741cad0 [ 39.055928] R13: 00007ffd86ed3bc0 R14: 00005647d741dbc0 R15: 00005647d742e780 [ 39.056975] [ 39.057351] irq event stamp: 1731 [ 39.057839] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 39.059070] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.060309] softirqs last enabled at (1332): [] handle_softirqs+0x50c/0x770 [ 39.061554] softirqs last disabled at (1327): [] __irq_exit_rcu+0xc4/0x100 [ 39.062777] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.429178] ------------[ cut here ]------------ [ 42.430120] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.432159] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.433620] Modules linked in: [ 42.434263] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.436287] Tainted: [W]=WARN [ 42.436847] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.438348] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.439277] 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 [ 42.442477] RSP: 0018:ffff88800f2cfbc0 EFLAGS: 00010286 [ 42.443501] RAX: 0000000000000000 RBX: ffffed1001e59f78 RCX: ffffffff813a4050 [ 42.444800] RDX: ffff888016678000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.446094] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e59f2f [ 42.447388] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.448690] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f2cfdf8 [ 42.450012] FS: 00007fb1c0593900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.451476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.452561] CR2: 00007fb1c0a85580 CR3: 0000000017548000 CR4: 0000000000350ef0 [ 42.453866] Call Trace: [ 42.454395] [ 42.454821] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.455729] ? __create_object+0x59/0x80 [ 42.456517] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.457506] __vmalloc_noprof+0x59/0x60 [ 42.458273] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.459157] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.460107] bpf_prog_alloc+0x39/0x200 [ 42.460804] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.461753] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.462663] do_seccomp+0x349/0x25e0 [ 42.463390] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.464305] ? __pfx_do_seccomp+0x10/0x10 [ 42.465101] ? find_held_lock+0x2b/0x80 [ 42.465823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.466789] ? static_key_count+0x60/0x80 [ 42.467612] prctl_set_seccomp+0x4e/0x70 [ 42.468400] __do_sys_prctl+0xe6c/0x1d70 [ 42.469182] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.470053] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.471037] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.472032] ? irqentry_exit+0xf3/0x650 [ 42.472757] do_syscall_64+0xbf/0x430 [ 42.473510] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.474475] RIP: 0033:0x7fb1c0a855cd [ 42.475188] 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 [ 42.478372] RSP: 002b:00007ffe1bdaaf30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.479824] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1c0a855cd [ 42.480959] RDX: 000055ee9a040e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.482035] RBP: 00007ffe1bdaaf90 R08: 0000000000000000 R09: 00007ffe1bdaa630 [ 42.483113] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eec8f272b0 [ 42.484185] R13: 00007ffe1bdab3c0 R14: 000055eec8f29d20 R15: 000055eec8f3b8d0 [ 42.485285] [ 42.485643] irq event stamp: 1755 [ 42.486181] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 42.487458] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 42.488733] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.490021] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 42.491315] ---[ end trace 0000000000000000 ]--- [ 43.363078] ------------[ cut here ]------------ [ 43.363959] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.366135] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.367830] Modules linked in: [ 43.368854] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.370848] Tainted: [W]=WARN [ 43.371461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.372938] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.373854] 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 [ 43.377062] RSP: 0018:ffff88801b427bc0 EFLAGS: 00010286 [ 43.378061] RAX: 0000000000000000 RBX: ffffed1003684f78 RCX: ffffffff813a4050 [ 43.379381] RDX: ffff888016173780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.380681] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003684f2f [ 43.381963] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.383296] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b427df8 [ 43.384592] FS: 00007f00649ff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.386042] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.387122] CR2: 00007ffef49e8ef7 CR3: 000000000fa01000 CR4: 0000000000350ef0 [ 43.388419] Call Trace: [ 43.388884] [ 43.389335] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.390219] ? __create_object+0x59/0x80 [ 43.390958] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.391937] __vmalloc_noprof+0x59/0x60 [ 43.392705] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.393574] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.394501] bpf_prog_alloc+0x39/0x200 [ 43.395250] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.396175] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.397085] do_seccomp+0x349/0x25e0 [ 43.397759] ? find_held_lock+0x2b/0x80 [ 43.398528] ? do_prlimit+0x310/0x610 [ 43.399296] ? __pfx_do_seccomp+0x10/0x10 [ 43.400096] ? do_raw_spin_unlock+0x53/0x220 [ 43.400888] ? _raw_spin_unlock+0x1e/0x40 [ 43.401664] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.402620] ? static_key_count+0x60/0x80 [ 43.403434] prctl_set_seccomp+0x4e/0x70 [ 43.404212] __do_sys_prctl+0xe6c/0x1d70 [ 43.404962] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.405828] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.406799] ? irqentry_exit+0xf3/0x650 [ 43.407576] do_syscall_64+0xbf/0x430 [ 43.408324] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.409269] RIP: 0033:0x7f0064ef15cd [ 43.409936] 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 [ 43.413115] RSP: 002b:00007ffef49e6db0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.414478] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0064ef15cd [ 43.415769] RDX: 0000555f21a5fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.417053] RBP: 00007ffef49e6e10 R08: 0000000000000000 R09: 00007ffef49e64b0 [ 43.418356] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555f40c75bf0 [ 43.419661] R13: 00007ffef49e7240 R14: 0000555f40c7f380 R15: 0000555f40c8a460 [ 43.420955] [ 43.421419] irq event stamp: 1913 [ 43.422073] hardirqs last enabled at (1923): [] __up_console_sem+0x78/0x80 [ 43.423601] hardirqs last disabled at (1932): [] __up_console_sem+0x5d/0x80 [ 43.425122] softirqs last enabled at (1880): [] handle_softirqs+0x50c/0x770 [ 43.426673] softirqs last disabled at (1875): [] __irq_exit_rcu+0xc4/0x100 [ 43.428150] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46813' (ECDSA) to the list of known hosts. 2025/11/18 20:39:00 fuzzer started 2025/11/18 20:39:01 dialing manager at localhost:34383 2025/11/18 20:39:01 checking machine... 2025/11/18 20:39:01 checking revisions... [ 44.293874] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:39:01 testing simple program... [ 44.386945] cgroup: Unknown subsys name 'net' [ 44.455805] cgroup: Unknown subsys name 'cpuset' [ 44.471355] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:39:00 Registers: info registers vcpu 0 RAX=0000000000040125 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055eec8f4e818 CR3=000000000d4f3000 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=9b8aed1279adaaaae14a2843ba393ba2 XMM02=0000000000304210eff9b2d0a8fce9cb XMM03=00000000003042e02c67c8bc2e329bc3 XMM04=472bee9f826c7ddf00000000000ae988 XMM05=5f3540378ef786f60000000000322590 XMM06=474038aa6c007e1f0000000000321080 XMM07=e042d86d42eb936e0000000000311928 XMM08=96a220da8a0c46c800000000003042e0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff85f10a38 RBX=ffff888014148000 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85f10a38 RBP=ffffffff85f10a38 RSP=ffff88801429fb58 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81526f24 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 00007fb1c0593900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe1bda5000 CR3=000000001bd80000 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=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