[ 39.068543] ------------[ cut here ]------------ [ 39.069131] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.070475] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.071539] Modules linked in: [ 39.071923] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.073245] Tainted: [W]=WARN [ 39.073598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.074540] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.075120] 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 [ 39.077146] RSP: 0018:ffff88801784fbc0 EFLAGS: 00010286 [ 39.077737] RAX: 0000000000000000 RBX: ffffed1002f09f78 RCX: ffffffff813a4050 [ 39.078546] RDX: ffff88800a3eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.079353] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f09f2f [ 39.080189] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.081013] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801784fdf8 [ 39.081810] FS: 00007f0316ebc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.082727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.083402] CR2: 00007ffc94182ef7 CR3: 000000001655a000 CR4: 0000000000350ef0 [ 39.084228] Call Trace: [ 39.084524] [ 39.084784] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.085368] ? __create_object+0x59/0x80 [ 39.085845] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.086480] __vmalloc_noprof+0x59/0x60 [ 39.086942] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.087502] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.088105] bpf_prog_alloc+0x39/0x200 [ 39.088554] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.089155] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.089709] do_seccomp+0x349/0x25e0 [ 39.090164] ? find_held_lock+0x2b/0x80 [ 39.090629] ? do_prlimit+0x310/0x610 [ 39.091104] ? __pfx_do_seccomp+0x10/0x10 [ 39.091577] ? do_raw_spin_unlock+0x53/0x220 [ 39.092119] ? _raw_spin_unlock+0x1e/0x40 [ 39.092590] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.093214] ? static_key_count+0x60/0x80 [ 39.093704] prctl_set_seccomp+0x4e/0x70 [ 39.094198] __do_sys_prctl+0xe6c/0x1d70 [ 39.094676] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.095224] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.095819] ? irqentry_exit+0xf3/0x650 [ 39.096308] do_syscall_64+0xbf/0x430 [ 39.096753] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.097361] RIP: 0033:0x7f03173ae5cd [ 39.097787] 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 [ 39.099834] RSP: 002b:00007ffc94181330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.100708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f03173ae5cd [ 39.101531] RDX: 00005599af3dbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.102350] RBP: 00007ffc94181390 R08: 0000000000000000 R09: 00007ffc94180a30 [ 39.103175] R10: 0000000000000000 R11: 0000000000000246 R12: 00005599c6405ad0 [ 39.103967] R13: 00007ffc941817c0 R14: 00005599c6406bc0 R15: 00005599c6417780 [ 39.104795] [ 39.105084] irq event stamp: 1845 [ 39.105474] hardirqs last enabled at (1853): [] __up_console_sem+0x78/0x80 [ 39.106449] hardirqs last disabled at (1862): [] __up_console_sem+0x5d/0x80 [ 39.107422] softirqs last enabled at (1404): [] handle_softirqs+0x50c/0x770 [ 39.108427] softirqs last disabled at (1395): [] __irq_exit_rcu+0xc4/0x100 [ 39.109386] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.989073] ------------[ cut here ]------------ [ 41.989943] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.991962] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.993429] Modules linked in: [ 41.994068] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.996100] Tainted: [W]=WARN [ 41.996659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.998114] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.999035] 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 [ 42.002187] RSP: 0018:ffff888016407bc0 EFLAGS: 00010286 [ 42.003150] RAX: 0000000000000000 RBX: ffffed1002c80f78 RCX: ffffffff813a4050 [ 42.004422] RDX: ffff88800a3f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.005706] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c80f2f [ 42.006977] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.008269] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016407df8 [ 42.009555] FS: 00007f5284c06900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.011015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.012065] CR2: 00007f52850f8580 CR3: 0000000020094000 CR4: 0000000000350ef0 [ 42.013334] Call Trace: [ 42.013793] [ 42.014239] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.015137] ? __create_object+0x59/0x80 [ 42.015890] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.016847] __vmalloc_noprof+0x59/0x60 [ 42.017616] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.018490] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.019422] bpf_prog_alloc+0x39/0x200 [ 42.020165] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.021082] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.021933] do_seccomp+0x349/0x25e0 [ 42.022640] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.023522] ? __pfx_do_seccomp+0x10/0x10 [ 42.024322] ? find_held_lock+0x2b/0x80 [ 42.025071] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.026031] ? static_key_count+0x60/0x80 [ 42.026786] prctl_set_seccomp+0x4e/0x70 [ 42.027568] __do_sys_prctl+0xe6c/0x1d70 [ 42.028367] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.029231] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.030182] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.031142] ? irqentry_exit+0xf3/0x650 [ 42.031869] do_syscall_64+0xbf/0x430 [ 42.032595] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.033536] RIP: 0033:0x7f52850f85cd [ 42.034232] 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 [ 42.037390] RSP: 002b:00007ffce8073960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.038745] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52850f85cd [ 42.040029] RDX: 000056429b073e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.041305] RBP: 00007ffce80739c0 R08: 0000000000000000 R09: 00007ffce8073060 [ 42.042577] R10: 0000000000000000 R11: 0000000000000246 R12: 00005642c88a42b0 [ 42.043853] R13: 00007ffce8073df0 R14: 00005642c88a6d20 R15: 00005642c88b88d0 [ 42.045074] [ 42.045423] irq event stamp: 1733 [ 42.045924] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 42.047190] hardirqs last disabled at (1750): [] __up_console_sem+0x5d/0x80 [ 42.048468] softirqs last enabled at (1260): [] handle_softirqs+0x50c/0x770 [ 42.049756] softirqs last disabled at (1247): [] __irq_exit_rcu+0xc4/0x100 [ 42.051032] ---[ end trace 0000000000000000 ]--- [ 42.686464] ------------[ cut here ]------------ [ 42.687383] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.689422] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.691128] Modules linked in: [ 42.691738] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.693833] Tainted: [W]=WARN [ 42.694438] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.695925] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.696864] 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 [ 42.700074] RSP: 0018:ffff888017f47bc0 EFLAGS: 00010286 [ 42.701054] RAX: 0000000000000000 RBX: ffffed1002fe8f78 RCX: ffffffff813a4050 [ 42.702325] RDX: ffff88801a13b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.703611] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fe8f2f [ 42.704901] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.706194] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f47df8 [ 42.707469] FS: 00007fb29489e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.708913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.709980] CR2: 00007ffe52c2def7 CR3: 000000000c7b6000 CR4: 0000000000350ef0 [ 42.711284] Call Trace: [ 42.711755] [ 42.712208] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.713086] ? __create_object+0x59/0x80 [ 42.713813] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.714766] __vmalloc_noprof+0x59/0x60 [ 42.715521] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.716399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.717332] bpf_prog_alloc+0x39/0x200 [ 42.718062] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.718956] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.719867] do_seccomp+0x349/0x25e0 [ 42.720583] ? find_held_lock+0x2b/0x80 [ 42.721356] ? do_prlimit+0x310/0x610 [ 42.722104] ? __pfx_do_seccomp+0x10/0x10 [ 42.722849] ? do_raw_spin_unlock+0x53/0x220 [ 42.723706] ? _raw_spin_unlock+0x1e/0x40 [ 42.724524] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.725507] ? static_key_count+0x60/0x80 [ 42.726347] prctl_set_seccomp+0x4e/0x70 [ 42.727126] __do_sys_prctl+0xe6c/0x1d70 [ 42.727894] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.728757] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.729728] ? irqentry_exit+0xf3/0x650 [ 42.730491] do_syscall_64+0xbf/0x430 [ 42.731246] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.732224] RIP: 0033:0x7fb294d905cd [ 42.732887] 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 [ 42.736128] RSP: 002b:00007ffe52c2ce00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.737496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb294d905cd [ 42.738789] RDX: 000055a177772e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.740172] RBP: 00007ffe52c2ce60 R08: 0000000000000000 R09: 00007ffe52c2c500 [ 42.741467] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a1a41d1bf0 [ 42.742753] R13: 00007ffe52c2d290 R14: 000055a1a41db380 R15: 000055a1a41e6460 [ 42.744116] [ 42.744487] irq event stamp: 1893 [ 42.744984] hardirqs last enabled at (1901): [] __up_console_sem+0x78/0x80 [ 42.746268] hardirqs last disabled at (1912): [] __up_console_sem+0x5d/0x80 [ 42.747581] softirqs last enabled at (1466): [] handle_softirqs+0x50c/0x770 [ 42.748919] softirqs last disabled at (1461): [] __irq_exit_rcu+0xc4/0x100 [ 42.750177] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13623' (ECDSA) to the list of known hosts. 2025/11/18 06:17:35 fuzzer started 2025/11/18 06:17:36 dialing manager at localhost:37895 2025/11/18 06:17:36 checking machine... 2025/11/18 06:17:36 checking revisions... [ 43.648149] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:17:36 testing simple program... [ 43.748883] cgroup: Unknown subsys name 'net' [ 43.810495] cgroup: Unknown subsys name 'cpuset' [ 43.828579] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:17:35 Registers: info registers vcpu 0 RAX=000000000004ed2d RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc13d0b8020 CR3=000000000c61f000 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=e5111c21f2810bbcd44d20ffef38f223 XMM02=2c67c8bc2e329bc30000000000303720 XMM03=fb795ef6d657705600000000003104f0 XMM04=3303870fd913ae0e00000000000ae988 XMM05=e2b5a34b4c7dc53c0000000000321a18 XMM06=474038aa6c007e1f000000000031fda0 XMM07=e042d86d42eb936e00000000003107c8 XMM08=987efe2e1fa171ce0000000000303780 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=00007f5284be6000 RCX=ffffffff819f3bfa RDX=0000000000000000 RSI=00000000000007b7 RDI=ffffffff84f0d0a0 RBP=0000000000000004 RSP=ffff88800f72f5d8 R8 =0000000000000000 R9 =ffffed1001c7fa6c R10=00007f5284be6000 R11=0000000000000001 R12=ffff88801acfe5c8 R13=0000000000000000 R14=00007f5284be6000 R15=dffffc0000000000 RIP=ffffffff81471cfa RFL=00000246 [---Z-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 00007f5284c06900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5284be5020 CR3=000000002012c000 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