[ 39.063078] ------------[ cut here ]------------ [ 39.063904] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.065582] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.066852] Modules linked in: [ 39.067355] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.069213] Tainted: [W]=WARN [ 39.069930] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.071195] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.071959] 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 [ 39.074647] RSP: 0018:ffff88801638fbc0 EFLAGS: 00010286 [ 39.075456] RAX: 0000000000000000 RBX: ffffed1002c71f78 RCX: ffffffff813a4050 [ 39.076556] RDX: ffff88800f479bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.077642] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c71f2f [ 39.078728] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.079822] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801638fdf8 [ 39.080908] FS: 00007f9a725d0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.082134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.083059] CR2: 00007ffd1686aef8 CR3: 000000000b66d000 CR4: 0000000000350ef0 [ 39.084164] Call Trace: [ 39.084563] [ 39.084946] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.085710] ? __create_object+0x59/0x80 [ 39.086339] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.087170] __vmalloc_noprof+0x59/0x60 [ 39.087806] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.088516] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.089311] bpf_prog_alloc+0x39/0x200 [ 39.089941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.090736] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.091482] do_seccomp+0x349/0x25e0 [ 39.092092] ? find_held_lock+0x2b/0x80 [ 39.092737] ? do_prlimit+0x310/0x610 [ 39.093332] ? __pfx_do_seccomp+0x10/0x10 [ 39.094000] ? do_raw_spin_unlock+0x53/0x220 [ 39.094718] ? _raw_spin_unlock+0x1e/0x40 [ 39.095362] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.096183] ? static_key_count+0x60/0x80 [ 39.096861] prctl_set_seccomp+0x4e/0x70 [ 39.097484] __do_sys_prctl+0xe6c/0x1d70 [ 39.098150] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.098893] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.099718] ? irqentry_exit+0xf3/0x650 [ 39.100337] do_syscall_64+0xbf/0x430 [ 39.100966] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.101771] RIP: 0033:0x7f9a72ac25cd [ 39.102338] 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 [ 39.105138] RSP: 002b:00007ffd16869270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.106319] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a72ac25cd [ 39.107481] RDX: 0000558229588e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.108614] RBP: 00007ffd168692d0 R08: 0000000000000000 R09: 00007ffd16868970 [ 39.109731] R10: 0000000000000000 R11: 0000000000000246 R12: 000055822a45fad0 [ 39.110859] R13: 00007ffd16869700 R14: 000055822a460bc0 R15: 000055822a471780 [ 39.111989] [ 39.112365] irq event stamp: 1887 [ 39.112925] hardirqs last enabled at (1897): [] __up_console_sem+0x78/0x80 [ 39.114249] hardirqs last disabled at (1906): [] __up_console_sem+0x5d/0x80 [ 39.115586] softirqs last enabled at (1422): [] handle_softirqs+0x50c/0x770 [ 39.116996] softirqs last disabled at (1921): [] __irq_exit_rcu+0xc4/0x100 [ 39.118318] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.022167] ------------[ cut here ]------------ [ 42.022943] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.024617] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 42.025805] Modules linked in: [ 42.026289] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.027941] Tainted: [W]=WARN [ 42.028394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.029609] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.030327] 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 [ 42.032944] RSP: 0018:ffff888017047bc0 EFLAGS: 00010286 [ 42.033752] RAX: 0000000000000000 RBX: ffffed1002e08f78 RCX: ffffffff813a4050 [ 42.034808] RDX: ffff888018f3b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.035871] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e08f2f [ 42.036930] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.037982] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017047df8 [ 42.039049] FS: 00007fa57398e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.040233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.041103] CR2: 00007ffcc6eafef8 CR3: 000000000e7ba000 CR4: 0000000000350ef0 [ 42.042159] Call Trace: [ 42.042541] [ 42.042921] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.043660] ? __create_object+0x59/0x80 [ 42.044266] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.045052] __vmalloc_noprof+0x59/0x60 [ 42.045667] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.046351] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.047128] bpf_prog_alloc+0x39/0x200 [ 42.047736] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.048462] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.049204] do_seccomp+0x349/0x25e0 [ 42.049796] ? find_held_lock+0x2b/0x80 [ 42.050383] ? do_prlimit+0x310/0x610 [ 42.051002] ? __pfx_do_seccomp+0x10/0x10 [ 42.051648] ? do_raw_spin_unlock+0x53/0x220 [ 42.052297] ? _raw_spin_unlock+0x1e/0x40 [ 42.052938] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.053728] ? static_key_count+0x60/0x80 [ 42.054347] prctl_set_seccomp+0x4e/0x70 [ 42.054996] __do_sys_prctl+0xe6c/0x1d70 [ 42.055641] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.056306] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.057098] ? irqentry_exit+0xf3/0x650 [ 42.057742] do_syscall_64+0xbf/0x430 [ 42.058321] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.059112] RIP: 0033:0x7fa573e805cd [ 42.059688] 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 [ 42.062302] RSP: 002b:00007ffcc6ead4d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.063435] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa573e805cd [ 42.064486] RDX: 0000560f0e809e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.065535] RBP: 00007ffcc6ead530 R08: 0000000000000000 R09: 00007ffcc6eacbd0 [ 42.066582] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f21eb7240 [ 42.067665] R13: 00007ffcc6ead960 R14: 0000560f21ec0380 R15: 0000560f21ecb540 [ 42.068725] [ 42.069073] irq event stamp: 1789 [ 42.069569] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.070854] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.072104] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 42.073374] softirqs last disabled at (1661): [] __irq_exit_rcu+0xc4/0x100 [ 42.074620] ---[ end trace 0000000000000000 ]--- [ 42.860312] ------------[ cut here ]------------ [ 42.861214] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.863245] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 42.864756] Modules linked in: [ 42.865343] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.867305] Tainted: [W]=WARN [ 42.867899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.869332] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.870255] 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 [ 42.873413] RSP: 0018:ffff88800cfb7bc0 EFLAGS: 00010286 [ 42.874377] RAX: 0000000000000000 RBX: ffffed10019f6f78 RCX: ffffffff813a4050 [ 42.875664] RDX: ffff888015e2b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.876927] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10019f6f2f [ 42.878212] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.879500] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800cfb7df8 [ 42.880765] FS: 00007f32e4f17900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.882171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.883227] CR2: 00007f32e547d4a6 CR3: 000000000cf2d000 CR4: 0000000000350ef0 [ 42.884492] Call Trace: [ 42.884987] [ 42.885398] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.886289] ? __create_object+0x59/0x80 [ 42.887073] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.888021] __vmalloc_noprof+0x59/0x60 [ 42.888763] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.889583] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.890518] bpf_prog_alloc+0x39/0x200 [ 42.891264] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.892184] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.893099] do_seccomp+0x349/0x25e0 [ 42.893802] ? find_held_lock+0x2b/0x80 [ 42.894511] ? do_prlimit+0x310/0x610 [ 42.895251] ? __pfx_do_seccomp+0x10/0x10 [ 42.896031] ? do_raw_spin_unlock+0x53/0x220 [ 42.896861] ? _raw_spin_unlock+0x1e/0x40 [ 42.897631] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.898554] ? static_key_count+0x60/0x80 [ 42.899356] prctl_set_seccomp+0x4e/0x70 [ 42.900108] __do_sys_prctl+0xe6c/0x1d70 [ 42.900879] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.901730] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.902678] ? irqentry_exit+0xf3/0x650 [ 42.903407] do_syscall_64+0xbf/0x430 [ 42.904139] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.905082] RIP: 0033:0x7f32e54095cd [ 42.905779] 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 [ 42.908916] RSP: 002b:00007ffeb6ff6060 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.910259] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32e54095cd [ 42.911519] RDX: 0000561be3528e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.912770] RBP: 00007ffeb6ff60c0 R08: 0000000000000000 R09: 00007ffeb6ff5760 [ 42.914011] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c1e558ad0 [ 42.915266] R13: 00007ffeb6ff64f0 R14: 0000561c1e559bc0 R15: 0000561c1e56a780 [ 42.916537] [ 42.916994] irq event stamp: 1773 [ 42.917622] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 42.919129] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 42.920644] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 42.922170] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 42.923665] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:3285' (ECDSA) to the list of known hosts. 2025/11/18 17:49:31 fuzzer started 2025/11/18 17:49:31 dialing manager at localhost:34383 2025/11/18 17:49:31 checking machine... 2025/11/18 17:49:31 checking revisions... [ 43.680478] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:49:31 testing simple program... [ 43.736430] cgroup: Unknown subsys name 'net' [ 43.775986] cgroup: Unknown subsys name 'cpuset' [ 43.784471] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:49:30 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888018f38000 RCX=ffffffff817d9966 RDX=0000000000000003 RSI=ffff888018f38a80 RDI=ffffffff84c9815c RBP=ffffffff84c9815c RSP=ffff88806ce08d90 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=0000000000000000 R13=0000000000000246 R14=ffff88801c0be488 R15=ffff888009472140 RIP=ffffffff84c71c72 RFL=00000046 [---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 00007fa57398e900 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=00007ffcc6ea7000 CR3=00000000203fd000 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=0000006f730074696d7265705f6d6170 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002593b 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff8ed42e000 CR3=000000000d9df000 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=21c2c0c6282cfe95bf4a18613896f129 XMM02=2c67c8bc2e329bc300000000003032a8 XMM03=fb795ef6d6577056000000000030fbf8 XMM04=318a142bce1ada4000000000000ae988 XMM05=1f0dfe88544a64930000000000320110 XMM06=8fede82a5ad58cbe000000000031fd98 XMM07=e042d86d42eb936e00000000003105e0 XMM08=d0e2b30dc8d7c3e20000000000303308 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000