[ 39.274551] ------------[ cut here ]------------ [ 39.275462] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.277482] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.278919] Modules linked in: [ 39.279528] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.281694] Tainted: [W]=WARN [ 39.282362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.283807] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.284718] 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 [ 39.287861] RSP: 0018:ffff888015af7bc0 EFLAGS: 00010286 [ 39.288830] RAX: 0000000000000000 RBX: ffffed1002b5ef78 RCX: ffffffff813a4050 [ 39.290106] RDX: ffff888016bb3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.291359] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b5ef2f [ 39.292626] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.293891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015af7df8 [ 39.295167] FS: 00007f4e9f116900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.296584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.297614] CR2: 00007f4e9f608580 CR3: 000000000b682000 CR4: 0000000000350ef0 [ 39.298896] Call Trace: [ 39.299395] [ 39.299802] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.300688] ? __create_object+0x59/0x80 [ 39.301447] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.302413] __vmalloc_noprof+0x59/0x60 [ 39.303157] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.304019] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.304890] bpf_prog_alloc+0x39/0x200 [ 39.305609] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.306539] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.307436] do_seccomp+0x349/0x25e0 [ 39.308156] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.309040] ? __pfx_do_seccomp+0x10/0x10 [ 39.309771] ? find_held_lock+0x2b/0x80 [ 39.310533] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.311473] ? static_key_count+0x60/0x80 [ 39.312313] prctl_set_seccomp+0x4e/0x70 [ 39.313220] __do_sys_prctl+0xe6c/0x1d70 [ 39.313981] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.314793] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.315741] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.316692] ? irqentry_exit+0xf3/0x650 [ 39.317449] do_syscall_64+0xbf/0x430 [ 39.318182] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.319126] RIP: 0033:0x7f4e9f6085cd [ 39.319776] 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 [ 39.322881] RSP: 002b:00007ffe175fbd10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.324204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4e9f6085cd [ 39.325473] RDX: 000055aebd37ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.326750] RBP: 00007ffe175fbd70 R08: 0000000000000000 R09: 00007ffe175fb410 [ 39.327987] R10: 0000000000000000 R11: 0000000000000246 R12: 000055aecfe03ad0 [ 39.329360] R13: 00007ffe175fc1a0 R14: 000055aecfe04bc0 R15: 000055aecfe15780 [ 39.330659] [ 39.331115] irq event stamp: 1831 [ 39.331711] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 39.333218] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 Debian GNU/Linux 11 syzkaller ttyS0[ 39.334860] softirqs last enabled at (1852): [] handle_softirqs+0x50c/0x770 [ 39.337067] softirqs last disabled at (1847): [] __irq_exit_rcu+0xc4/0x100 [ 39.338667] ---[ end trace 0000000000000000 ]--- syzkaller login: [ 42.033274] ------------[ cut here ]------------ [ 42.034224] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.036217] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.037739] Modules linked in: [ 42.038385] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.040330] Tainted: [W]=WARN [ 42.040871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.042321] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.043232] 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 [ 42.046347] RSP: 0018:ffff8880168d7bc0 EFLAGS: 00010286 [ 42.047332] RAX: 0000000000000000 RBX: ffffed1002d1af78 RCX: ffffffff813a4050 [ 42.048597] RDX: ffff88800f2c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.049852] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d1af2f [ 42.051121] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.052366] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880168d7df8 [ 42.053621] FS: 00007f138e789900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.055047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.056089] CR2: 00007ffe78c12ef7 CR3: 000000001f186000 CR4: 0000000000350ef0 [ 42.057343] Call Trace: [ 42.057796] [ 42.058256] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.059137] ? __create_object+0x59/0x80 [ 42.059862] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.060812] __vmalloc_noprof+0x59/0x60 [ 42.061556] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.062419] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.063336] bpf_prog_alloc+0x39/0x200 [ 42.064070] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.064988] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.065826] do_seccomp+0x349/0x25e0 [ 42.066541] ? find_held_lock+0x2b/0x80 [ 42.067275] ? do_prlimit+0x310/0x610 [ 42.068026] ? __pfx_do_seccomp+0x10/0x10 [ 42.068752] ? do_raw_spin_unlock+0x53/0x220 [ 42.069565] ? _raw_spin_unlock+0x1e/0x40 [ 42.070338] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.071286] ? static_key_count+0x60/0x80 [ 42.072082] prctl_set_seccomp+0x4e/0x70 [ 42.072798] __do_sys_prctl+0xe6c/0x1d70 [ 42.073576] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.074437] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.075390] ? irqentry_exit+0xf3/0x650 [ 42.076144] do_syscall_64+0xbf/0x430 [ 42.076826] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.077765] RIP: 0033:0x7f138ec7b5cd [ 42.078474] 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 [ 42.081580] RSP: 002b:00007ffe78c11160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.082960] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f138ec7b5cd [ 42.084226] RDX: 0000558248fc0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.085490] RBP: 00007ffe78c111c0 R08: 0000000000000000 R09: 00007ffe78c10860 [ 42.086766] R10: 0000000000000000 R11: 0000000000000246 R12: 000055824e16fbf0 [ 42.088030] R13: 00007ffe78c115f0 R14: 000055824e179380 R15: 000055824e184460 [ 42.089305] [ 42.089727] irq event stamp: 1749 [ 42.090380] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 42.091596] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 42.092569] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 42.093545] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 42.094507] ---[ end trace 0000000000000000 ]--- [ 42.764919] ------------[ cut here ]------------ [ 42.765794] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.767789] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.769412] Modules linked in: [ 42.770105] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.772020] Tainted: [W]=WARN [ 42.772556] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.773976] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.774840] 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 [ 42.777955] RSP: 0018:ffff888019ec7bc0 EFLAGS: 00010286 [ 42.778874] RAX: 0000000000000000 RBX: ffffed10033d8f78 RCX: ffffffff813a4050 [ 42.780106] RDX: ffff88801a603780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.781340] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033d8f2f [ 42.782602] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.783831] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ec7df8 [ 42.785061] FS: 00007f6c1eaba900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.786460] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.787485] CR2: 00007ffca50ccef7 CR3: 000000000a228000 CR4: 0000000000350ef0 [ 42.788744] Call Trace: [ 42.789230] [ 42.789625] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.790505] ? __create_object+0x59/0x80 [ 42.791271] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.792216] __vmalloc_noprof+0x59/0x60 [ 42.792964] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.793780] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.794693] bpf_prog_alloc+0x39/0x200 [ 42.795406] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.796304] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.797183] do_seccomp+0x349/0x25e0 [ 42.797833] ? find_held_lock+0x2b/0x80 [ 42.798578] ? do_prlimit+0x310/0x610 [ 42.799302] ? __pfx_do_seccomp+0x10/0x10 [ 42.800073] ? do_raw_spin_unlock+0x53/0x220 [ 42.800835] ? _raw_spin_unlock+0x1e/0x40 [ 42.801588] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.802530] ? static_key_count+0x60/0x80 [ 42.803308] prctl_set_seccomp+0x4e/0x70 [ 42.804065] __do_sys_prctl+0xe6c/0x1d70 [ 42.804781] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.805608] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.806553] ? irqentry_exit+0xf3/0x650 [ 42.807302] do_syscall_64+0xbf/0x430 [ 42.808025] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.808902] RIP: 0033:0x7f6c1efac5cd [ 42.809584] 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 [ 42.812678] RSP: 002b:00007ffca50cb220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.814027] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6c1efac5cd [ 42.815300] RDX: 00005572ecb66e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.816550] RBP: 00007ffca50cb280 R08: 0000000000000000 R09: 00007ffca50ca920 [ 42.817792] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557322903b10 [ 42.819052] R13: 00007ffca50cb6b0 R14: 00005573229042b0 R15: 00005573229186f0 [ 42.820311] [ 42.820722] irq event stamp: 1781 [ 42.821345] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 42.822693] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 42.823769] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.824758] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 42.825725] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:8158' (ECDSA) to the list of known hosts. 2025/11/18 07:22:42 fuzzer started 2025/11/18 07:22:42 dialing manager at localhost:37895 2025/11/18 07:22:42 checking machine... 2025/11/18 07:22:42 checking revisions... [ 43.579847] kmemleak: Automatic memory scanning thread ended 2025/11/18 07:22:42 testing simple program... [ 43.646278] cgroup: Unknown subsys name 'net' [ 43.701240] cgroup: Unknown subsys name 'cpuset' [ 43.710428] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:22:41 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffffffff85f109a0 RCX=ffffffff8152d714 RDX=fffffbfff0be2135 RSI=0000000000000004 RDI=ffffffff85f109a0 RBP=1ffff1100d9c11a0 RSP=ffff88806ce08cf0 R8 =0000000000000001 R9 =fffffbfff0be2134 R10=ffffffff85f109a3 R11=0000000000000001 R12=ffffffff85f109a8 R13=ffffffff85f109b0 R14=ffff88801b8edc80 R15=ffff88800944c140 RIP=ffffffff81b2d00f 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 00007f138e789900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f138e758008 CR3=000000000be60000 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 info registers vcpu 1 RAX=000000000001b8d9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa911e93988 CR3=000000000e38a000 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=6658b7a022e16e97484ec3972353d1aa XMM02=00000000003055d0ec2efd57dc4c00df XMM03=00000000003114606aa149b4290886e9 XMM04=d6a2f2a54ea916b100000000000ae988 XMM05=090f1556b20111b30000000000321e70 XMM06=5b75c91c804453420000000000321cf8 XMM07=e042d86d42eb936e0000000000311738 XMM08=6aa149b4290886e90000000000305630 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000