[ 38.897200] ------------[ cut here ]------------ [ 38.898278] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.900528] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.902027] Modules linked in: [ 38.902633] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.904821] Tainted: [W]=WARN [ 38.905411] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.907013] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.908046] 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 [ 38.911414] RSP: 0018:ffff8880075bfbc0 EFLAGS: 00010286 [ 38.912487] RAX: 0000000000000000 RBX: ffffed1000eb7f78 RCX: ffffffff813a4050 [ 38.913947] RDX: ffff888017329bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.915393] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1000eb7f2f [ 38.916765] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.918256] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880075bfdf8 [ 38.919645] FS: 00007fd423168900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.921155] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.922223] CR2: 00007ffed31b6ef7 CR3: 000000000df3c000 CR4: 0000000000350ef0 [ 38.923533] Call Trace: [ 38.924040] [ 38.924458] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.925357] ? __create_object+0x59/0x80 [ 38.926140] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.927131] __vmalloc_noprof+0x59/0x60 [ 38.927898] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.928724] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.929665] bpf_prog_alloc+0x39/0x200 [ 38.930399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.931350] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.932248] do_seccomp+0x349/0x25e0 [ 38.932967] ? find_held_lock+0x2b/0x80 [ 38.933683] ? do_prlimit+0x310/0x610 [ 38.934420] ? __pfx_do_seccomp+0x10/0x10 [ 38.935205] ? do_raw_spin_unlock+0x53/0x220 [ 38.936023] ? _raw_spin_unlock+0x1e/0x40 [ 38.936756] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.937715] ? static_key_count+0x60/0x80 [ 38.938510] prctl_set_seccomp+0x4e/0x70 [ 38.939290] __do_sys_prctl+0xe6c/0x1d70 [ 38.940072] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.940926] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.941892] ? irqentry_exit+0xf3/0x650 [ 38.942625] do_syscall_64+0xbf/0x430 [ 38.943368] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.944322] RIP: 0033:0x7fd42365a5cd [ 38.945027] 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 [ 38.948191] RSP: 002b:00007ffed31b5420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.949555] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd42365a5cd [ 38.950855] RDX: 0000561d6ad39e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.952140] RBP: 00007ffed31b5480 R08: 0000000000000000 R09: 00007ffed31b4b20 [ 38.953420] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561d97f67ad0 [ 38.954714] R13: 00007ffed31b58b0 R14: 0000561d97f68bc0 R15: 0000561d97f79780 [ 38.956013] [ 38.956430] irq event stamp: 1749 [ 38.957085] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 38.958619] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 38.960165] softirqs last enabled at (1304): [] handle_softirqs+0x50c/0x770 [ 38.961797] softirqs last disabled at (1295): [] __irq_exit_rcu+0xc4/0x100 [ 38.963458] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.007008] ------------[ cut here ]------------ [ 42.007960] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.010164] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.011674] Modules linked in: [ 42.012295] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.014243] Tainted: [W]=WARN [ 42.014949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.017105] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.018257] 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 [ 42.021588] RSP: 0018:ffff8880164d7bc0 EFLAGS: 00010286 [ 42.022586] RAX: 0000000000000000 RBX: ffffed1002c9af78 RCX: ffffffff813a4050 [ 42.023915] RDX: ffff88801732d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.025536] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c9af2f [ 42.027027] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.028313] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164d7df8 [ 42.029623] FS: 00007fabc2401900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.031118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.032204] CR2: 00007fabc28f3580 CR3: 0000000021297000 CR4: 0000000000350ef0 [ 42.033504] Call Trace: [ 42.034033] [ 42.034444] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.035362] ? __create_object+0x59/0x80 [ 42.036172] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.037179] __vmalloc_noprof+0x59/0x60 [ 42.037985] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.038904] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.039873] bpf_prog_alloc+0x39/0x200 [ 42.040568] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.041511] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.042424] do_seccomp+0x349/0x25e0 [ 42.043188] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.044103] ? __pfx_do_seccomp+0x10/0x10 [ 42.044903] ? find_held_lock+0x2b/0x80 [ 42.045618] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.046579] ? static_key_count+0x60/0x80 [ 42.047443] prctl_set_seccomp+0x4e/0x70 [ 42.048244] __do_sys_prctl+0xe6c/0x1d70 [ 42.049048] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.049925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.050941] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.051929] ? irqentry_exit+0xf3/0x650 [ 42.052642] do_syscall_64+0xbf/0x430 [ 42.053407] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.054388] RIP: 0033:0x7fabc28f35cd [ 42.055172] 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 [ 42.058396] RSP: 002b:00007fffd22ca260 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.059688] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabc28f35cd [ 42.060805] RDX: 0000559bfbb8be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.061876] RBP: 00007fffd22ca2c0 R08: 0000000000000000 R09: 00007fffd22c9960 [ 42.062944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559c3b41eb10 [ 42.064008] R13: 00007fffd22ca6f0 R14: 0000559c3b41f2b0 R15: 0000559c3b4336f0 [ 42.065090] [ 42.065441] irq event stamp: 1823 [ 42.065975] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 42.067247] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 42.068501] softirqs last enabled at (1802): [] handle_softirqs+0x50c/0x770 [ 42.069793] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 42.071053] ---[ end trace 0000000000000000 ]--- [ 42.954115] ------------[ cut here ]------------ [ 42.955075] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.957168] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.958619] Modules linked in: [ 42.959311] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.961287] Tainted: [W]=WARN [ 42.961891] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.963404] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.964322] 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 [ 42.969193] RSP: 0018:ffff88801982fbc0 EFLAGS: 00010286 [ 42.971764] RAX: 0000000000000000 RBX: ffffed1003305f78 RCX: ffffffff813a4050 [ 42.973126] RDX: ffff88800f1e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.974409] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003305f2f [ 42.975735] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.977036] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801982fdf8 [ 42.978326] FS: 00007f0e3b3bf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.979816] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.980884] CR2: 00007f0e3b9254a6 CR3: 000000000d8f8000 CR4: 0000000000350ef0 [ 42.982161] Call Trace: [ 42.982617] [ 42.983098] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.984009] ? __create_object+0x59/0x80 [ 42.984748] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.985716] __vmalloc_noprof+0x59/0x60 [ 42.986469] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.987388] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.988321] bpf_prog_alloc+0x39/0x200 [ 42.989057] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.989984] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.990937] do_seccomp+0x349/0x25e0 [ 42.991605] ? find_held_lock+0x2b/0x80 [ 42.992359] ? do_prlimit+0x310/0x610 [ 42.993106] ? __pfx_do_seccomp+0x10/0x10 [ 42.993878] ? do_raw_spin_unlock+0x53/0x220 [ 42.994676] ? _raw_spin_unlock+0x1e/0x40 [ 42.995477] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.996437] ? static_key_count+0x60/0x80 [ 42.997238] prctl_set_seccomp+0x4e/0x70 [ 42.997994] __do_sys_prctl+0xe6c/0x1d70 [ 42.998754] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.999610] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.000571] ? irqentry_exit+0xf3/0x650 [ 43.001329] do_syscall_64+0xbf/0x430 [ 43.002062] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.003053] RIP: 0033:0x7f0e3b8b15cd [ 43.003710] 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 [ 43.006864] RSP: 002b:00007ffc58034100 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.008215] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0e3b8b15cd [ 43.009505] RDX: 000055fd63b9ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.010817] RBP: 00007ffc58034160 R08: 0000000000000000 R09: 00007ffc58033800 [ 43.012103] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fd9afd82b0 [ 43.013367] R13: 00007ffc58034590 R14: 000055fd9afdad20 R15: 000055fd9afec8d0 [ 43.014679] [ 43.015174] irq event stamp: 2033 [ 43.015809] hardirqs last enabled at (2043): [] __up_console_sem+0x78/0x80 [ 43.017326] hardirqs last disabled at (2052): [] __up_console_sem+0x5d/0x80 [ 43.018866] softirqs last enabled at (1980): [] handle_softirqs+0x50c/0x770 [ 43.020146] softirqs last disabled at (1975): [] __irq_exit_rcu+0xc4/0x100 [ 43.021402] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16287' (ECDSA) to the list of known hosts. 2025/11/17 13:58:24 fuzzer started 2025/11/17 13:58:24 dialing manager at localhost:37895 2025/11/17 13:58:25 checking machine... 2025/11/17 13:58:25 checking revisions... [ 43.933689] kmemleak: Automatic memory scanning thread ended 2025/11/17 13:58:25 testing simple program... [ 44.020731] cgroup: Unknown subsys name 'net' [ 44.082843] cgroup: Unknown subsys name 'cpuset' [ 44.104702] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 13:58:24 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=1ffff11002b0fed5 RSI=ffff88801587ff48 RDI=ffff88801587f6b0 RBP=0000000000000000 RSP=ffff88801587f5f0 R8 =0000000000000001 R9 =ffff88801587f6a0 R10=000000000003c9ed R11=00000000000c7d20 R12=ffff88801587f6c0 R13=ffff88801587f6a8 R14=ffff88801587ff48 R15=ffff88801587f660 RIP=ffffffff8135fb75 RFL=00000212 [----A--] 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 00007f271ac2a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc777edf000 CR3=000000000a594000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=583105ebcfe182f600000000000ae988 XMM05=77f33d2d9280db450000000000320030 XMM06=474038aa6c007e1f000000000031ee20 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88800d230508 RBX=ffff88800db1d758 RCX=ffff88800d1ff790 RDX=ffff88800db1d768 RSI=ffff88800d1ff780 RDI=0000000000000000 RBP=ffff88800d39d000 RSP=ffff88801779fc48 R8 =0000000000000000 R9 =ffffed1002ef3f7b R10=0000000000000003 R11=0000000000000001 R12=ffff88800d1ff780 R13=0000000000000010 R14=0000000000000001 R15=0000000000000286 RIP=ffffffff81b626b3 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 00007fabc2401900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fabc29b8618 CR3=000000002126b000 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