Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.936406] ------------[ cut here ]------------ [ 38.937318] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.939367] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 38.940848] Modules linked in: [ 38.941442] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.943404] Tainted: [W]=WARN [ 38.944034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.945516] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.946422] 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 [ 38.949767] RSP: 0018:ffff8880176f7bc0 EFLAGS: 00010286 [ 38.950754] RAX: 0000000000000000 RBX: ffffed1002edef78 RCX: ffffffff813a4050 [ 38.952075] RDX: ffff88800d478000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.953357] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002edef2f [ 38.954628] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.955944] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880176f7df8 [ 38.957233] FS: 00007f66d0fbe900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.958654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.959749] CR2: 00007fff6b8a5ef7 CR3: 000000001c3d5000 CR4: 0000000000350ef0 [ 38.961050] Call Trace: [ 38.961515] [ 38.961971] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.962869] ? __create_object+0x59/0x80 [ 38.963665] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.964659] __vmalloc_noprof+0x59/0x60 [ 38.965377] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.966245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.967187] bpf_prog_alloc+0x39/0x200 [ 38.967954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.968887] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.969792] do_seccomp+0x349/0x25e0 [ 38.970454] ? find_held_lock+0x2b/0x80 [ 38.971210] ? do_prlimit+0x310/0x610 [ 38.971989] ? __pfx_do_seccomp+0x10/0x10 [ 38.972810] ? do_raw_spin_unlock+0x53/0x220 [ 38.973643] ? _raw_spin_unlock+0x1e/0x40 [ 38.974374] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.975338] ? static_key_count+0x60/0x80 [ 38.976201] prctl_set_seccomp+0x4e/0x70 [ 38.976992] __do_sys_prctl+0xe6c/0x1d70 [ 38.977800] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.978669] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.979663] ? irqentry_exit+0xf3/0x650 [ 38.980394] do_syscall_64+0xbf/0x430 [ 38.981151] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.982103] RIP: 0033:0x7f66d14b05cd [ 38.982805] 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 [ 38.985979] RSP: 002b:00007fff6b8a45f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.987333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f66d14b05cd [ 38.988660] RDX: 0000565179187e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.989931] RBP: 00007fff6b8a4650 R08: 0000000000000000 R09: 00007fff6b8a3cf0 [ 38.991196] R10: 0000000000000000 R11: 0000000000000246 R12: 00005651a14bab10 [ 38.992503] R13: 00007fff6b8a4a80 R14: 00005651a14bb2b0 R15: 00005651a14cf6f0 [ 38.993814] [ 38.994232] irq event stamp: 1765 [ 38.994886] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 38.996453] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 38.997987] softirqs last enabled at (1618): [] handle_softirqs+0x50c/0x770 [ 38.999560] softirqs last disabled at (1613): [] __irq_exit_rcu+0xc4/0x100 [ 39.001114] ---[ end trace 0000000000000000 ]--- [ 41.794126] ------------[ cut here ]------------ [ 41.795044] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.797171] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.798744] Modules linked in: [ 41.799401] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.801594] Tainted: [W]=WARN [ 41.802203] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.804071] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.805134] 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 [ 41.808615] RSP: 0018:ffff88800f447bc0 EFLAGS: 00010286 [ 41.809687] RAX: 0000000000000000 RBX: ffffed1001e88f78 RCX: ffffffff813a4050 [ 41.811065] RDX: ffff88800f66d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.812468] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e88f2f [ 41.813860] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.815263] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f447df8 [ 41.816665] FS: 00007f08468a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.818234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.819372] CR2: 00007f0846d94580 CR3: 000000001e7fa000 CR4: 0000000000350ef0 [ 41.820766] Call Trace: [ 41.821267] [ 41.821759] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.822718] ? __create_object+0x59/0x80 [ 41.823514] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.824599] __vmalloc_noprof+0x59/0x60 [ 41.825377] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.826313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.827312] bpf_prog_alloc+0x39/0x200 [ 41.828122] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.829123] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.830077] do_seccomp+0x349/0x25e0 [ 41.830843] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.831814] ? __pfx_do_seccomp+0x10/0x10 [ 41.832673] ? find_held_lock+0x2b/0x80 [ 41.833446] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.834475] ? static_key_count+0x60/0x80 [ 41.835312] prctl_set_seccomp+0x4e/0x70 [ 41.836160] __do_sys_prctl+0xe6c/0x1d70 [ 41.837000] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.837908] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.838949] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.839995] ? irqentry_exit+0xf3/0x650 [ 41.840803] do_syscall_64+0xbf/0x430 [ 41.841594] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.842608] RIP: 0033:0x7f0846d945cd [ 41.843306] 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 [ 41.846726] RSP: 002b:00007ffe61b9c870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.848199] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0846d945cd [ 41.849582] RDX: 0000562846b2ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.850935] RBP: 00007ffe61b9c8d0 R08: 0000000000000000 R09: 00007ffe61b9bf70 [ 41.852303] R10: 0000000000000000 R11: 0000000000000246 R12: 000056287651cad0 [ 41.853654] R13: 00007ffe61b9cd00 R14: 000056287651dbc0 R15: 000056287652e780 [ 41.855026] [ 41.855480] irq event stamp: 1865 [ 41.856175] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 41.857797] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 41.859394] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 41.861012] softirqs last disabled at (1809): [] __irq_exit_rcu+0xc4/0x100 [ 41.862415] ---[ end trace 0000000000000000 ]--- [ 42.645271] ------------[ cut here ]------------ [ 42.646223] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.648225] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.649694] Modules linked in: [ 42.650286] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.652628] Tainted: [W]=WARN [ 42.653189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.654666] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.655527] 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 [ 42.658743] RSP: 0018:ffff888017e37bc0 EFLAGS: 00010286 [ 42.659744] RAX: 0000000000000000 RBX: ffffed1002fc6f78 RCX: ffffffff813a4050 [ 42.661021] RDX: ffff8880182f9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.662291] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fc6f2f [ 42.663568] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.664852] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017e37df8 [ 42.666119] FS: 00007fe431f7c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.667559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.668627] CR2: 00007ffcaeac9ef7 CR3: 000000001d0e9000 CR4: 0000000000350ef0 [ 42.669899] Call Trace: [ 42.670362] [ 42.670828] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.671736] ? __create_object+0x59/0x80 [ 42.672471] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.673434] __vmalloc_noprof+0x59/0x60 [ 42.674187] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.675067] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.675998] bpf_prog_alloc+0x39/0x200 [ 42.676728] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.677653] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.678494] do_seccomp+0x349/0x25e0 [ 42.679205] ? find_held_lock+0x2b/0x80 [ 42.679971] ? do_prlimit+0x310/0x610 [ 42.680710] ? __pfx_do_seccomp+0x10/0x10 [ 42.681445] ? do_raw_spin_unlock+0x53/0x220 [ 42.682264] ? _raw_spin_unlock+0x1e/0x40 [ 42.683040] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.684014] ? static_key_count+0x60/0x80 [ 42.684813] prctl_set_seccomp+0x4e/0x70 [ 42.685579] __do_sys_prctl+0xe6c/0x1d70 [ 42.686307] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.687175] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.688152] ? irqentry_exit+0xf3/0x650 [ 42.688912] do_syscall_64+0xbf/0x430 [ 42.689644] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.690601] RIP: 0033:0x7fe43246e5cd [ 42.691256] 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 [ 42.694403] RSP: 002b:00007ffcaeac7910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.695775] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe43246e5cd [ 42.697053] RDX: 000055b51a9bee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.698337] RBP: 00007ffcaeac7970 R08: 0000000000000000 R09: 00007ffcaeac7010 [ 42.699609] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b53f4f32b0 [ 42.700885] R13: 00007ffcaeac7da0 R14: 000055b53f4f5d20 R15: 000055b53f5078d0 [ 42.702181] [ 42.702636] irq event stamp: 1885 [ 42.703241] hardirqs last enabled at (1893): [] __up_console_sem+0x78/0x80 [ 42.704724] hardirqs last disabled at (1902): [] __up_console_sem+0x5d/0x80 [ 42.706115] softirqs last enabled at (1930): [] handle_softirqs+0x50c/0x770 [ 42.707481] softirqs last disabled at (1911): [] __irq_exit_rcu+0xc4/0x100 [ 42.708827] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:3096' (ECDSA) to the list of known hosts. 2025/11/19 00:45:59 fuzzer started 2025/11/19 00:46:00 dialing manager at localhost:34383 2025/11/19 00:46:00 checking machine... 2025/11/19 00:46:00 checking revisions... [ 43.491198] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:46:00 testing simple program... [ 43.566322] cgroup: Unknown subsys name 'net' [ 43.609187] cgroup: Unknown subsys name 'cpuset' [ 43.619444] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 00:45:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff8671f908 RCX=ffffffff81ab1e26 RDX=0000000000000000 RSI=ffffffff86aaee9c RDI=ffffffff8671f904 RBP=ffffffff8671f908 RSP=ffff88806ce089b8 R8 =ffffffff86aaee9c R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023cda R12=ffffffff8671f904 R13=ffffffff8671f904 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff8135dadf RFL=00000256 [---ZAP-] 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 00007f08468a2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0846e59618 CR3=000000001e79b000 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 info registers vcpu 1 RAX=ffffffff819a150b RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888009787b01 RSI=ffff888009787b40 RDI=ffff888009787b40 RBP=ffff888009787738 RSP=ffff888009787670 R8 =ffffffff86aaf5f0 R9 =ffff888009787720 R10=000000000003c9ed R11=0000000000023e12 R12=ffff888009787740 R13=ffff888009787728 R14=ffff888009787b48 R15=ffff8880097876e0 RIP=ffffffff8135efad RFL=00000202 [-------] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0846e57650 CR3=000000000de2c000 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=35343a303020393120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3134325b646873732039353a3534 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303238 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000