Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.988780] ------------[ cut here ]------------ [ 45.989688] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.991725] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 45.993166] Modules linked in: [ 45.993752] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.995741] Tainted: [W]=WARN [ 45.996386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.997842] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.998714] 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 [ 46.001850] RSP: 0018:ffff8880155bfbc0 EFLAGS: 00010286 [ 46.002794] RAX: 0000000000000000 RBX: ffffed1002ab7f78 RCX: ffffffff813a4050 [ 46.004088] RDX: ffff888015020000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.005354] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ab7f2f [ 46.006659] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.007934] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880155bfdf8 [ 46.009207] FS: 00007fd570325900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.010652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.011695] CR2: 00007fd570817580 CR3: 000000000e4a4000 CR4: 0000000000350ef0 [ 46.012990] Call Trace: [ 46.013449] [ 46.013906] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.014766] ? __create_object+0x59/0x80 [ 46.015549] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.016513] __vmalloc_noprof+0x59/0x60 [ 46.017257] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.018120] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.019062] bpf_prog_alloc+0x39/0x200 [ 46.019742] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.020668] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.021565] do_seccomp+0x349/0x25e0 [ 46.022279] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.023182] ? __pfx_do_seccomp+0x10/0x10 [ 46.023974] ? find_held_lock+0x2b/0x80 [ 46.024678] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.025643] ? static_key_count+0x60/0x80 [ 46.026444] prctl_set_seccomp+0x4e/0x70 [ 46.027213] __do_sys_prctl+0xe6c/0x1d70 [ 46.028009] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.028817] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.029783] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.030779] ? irqentry_exit+0xf3/0x650 [ 46.031553] do_syscall_64+0xbf/0x430 [ 46.032291] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.033245] RIP: 0033:0x7fd5708175cd [ 46.033946] 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 [ 46.037116] RSP: 002b:00007ffef2bc6420 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.038477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5708175cd [ 46.039755] RDX: 0000561b0cebfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.041018] RBP: 00007ffef2bc6480 R08: 0000000000000000 R09: 00007ffef2bc5b20 [ 46.042291] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561b45ac4b10 [ 46.043589] R13: 00007ffef2bc68b0 R14: 0000561b45ac52b0 R15: 0000561b45ad96f0 [ 46.044908] [ 46.045327] irq event stamp: 1691 [ 46.045978] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 46.047537] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 46.049108] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 46.050692] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 46.052238] ---[ end trace 0000000000000000 ]--- [ 48.859649] ------------[ cut here ]------------ [ 48.860088] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.861021] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 48.861675] Modules linked in: [ 48.861971] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.862905] Tainted: [W]=WARN [ 48.863158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.863805] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.864225] 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 [ 48.865689] RSP: 0018:ffff888016da7bc0 EFLAGS: 00010286 [ 48.866127] RAX: 0000000000000000 RBX: ffffed1002db4f78 RCX: ffffffff813a4050 [ 48.866701] RDX: ffff88801594d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.867297] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db4f2f [ 48.867877] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.868446] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016da7df8 [ 48.869030] FS: 00007fd9529d3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.869666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.870144] CR2: 00007fd952ec5580 CR3: 0000000017220000 CR4: 0000000000350ef0 [ 48.870711] Call Trace: [ 48.870947] [ 48.871133] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.871524] ? __create_object+0x59/0x80 [ 48.871878] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.872298] __vmalloc_noprof+0x59/0x60 [ 48.872621] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.873021] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.873432] bpf_prog_alloc+0x39/0x200 [ 48.873747] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.874172] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.874565] do_seccomp+0x349/0x25e0 [ 48.874898] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.875290] ? __pfx_do_seccomp+0x10/0x10 [ 48.875629] ? find_held_lock+0x2b/0x80 [ 48.875976] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.876395] ? static_key_count+0x60/0x80 [ 48.876738] prctl_set_seccomp+0x4e/0x70 [ 48.877090] __do_sys_prctl+0xe6c/0x1d70 [ 48.877432] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.877798] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.878239] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.878666] ? irqentry_exit+0xf3/0x650 [ 48.879019] do_syscall_64+0xbf/0x430 [ 48.879342] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.879755] RIP: 0033:0x7fd952ec55cd [ 48.880077] 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 [ 48.881529] RSP: 002b:00007fff4a2d4740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.882147] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd952ec55cd [ 48.882716] RDX: 000055a820a3be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.883299] RBP: 00007fff4a2d47a0 R08: 0000000000000000 R09: 00007fff4a2d3e40 [ 48.883880] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a82b5b5bf0 [ 48.884445] R13: 00007fff4a2d4bd0 R14: 000055a82b5bf380 R15: 000055a82b5ca460 [ 48.885035] [ 48.885231] irq event stamp: 1715 [ 48.885505] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 48.886195] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 48.886891] softirqs last enabled at (1270): [] handle_softirqs+0x50c/0x770 [ 48.887573] softirqs last disabled at (1261): [] __irq_exit_rcu+0xc4/0x100 [ 48.888266] ---[ end trace 0000000000000000 ]--- [ 49.694979] ------------[ cut here ]------------ [ 49.695883] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.697905] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.699363] Modules linked in: [ 49.699994] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.701998] Tainted: [W]=WARN [ 49.702555] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.704256] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.705259] 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 [ 49.708554] RSP: 0018:ffff88800eecfbc0 EFLAGS: 00010286 [ 49.709537] RAX: 0000000000000000 RBX: ffffed1001dd9f78 RCX: ffffffff813a4050 [ 49.710857] RDX: ffff888016923780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.712156] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001dd9f2f [ 49.713457] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.714750] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800eecfdf8 [ 49.716011] FS: 00007fc0ec73d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.717495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.718571] CR2: 00007ffc3e52cef7 CR3: 000000000cab2000 CR4: 0000000000350ef0 [ 49.719884] Call Trace: [ 49.720348] [ 49.720784] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.721695] ? __create_object+0x59/0x80 [ 49.722493] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.723480] __vmalloc_noprof+0x59/0x60 [ 49.724244] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.725133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.726079] bpf_prog_alloc+0x39/0x200 [ 49.726790] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.727737] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.728649] do_seccomp+0x349/0x25e0 [ 49.729387] ? find_held_lock+0x2b/0x80 [ 49.730160] ? do_prlimit+0x310/0x610 [ 49.730911] ? __pfx_do_seccomp+0x10/0x10 [ 49.731666] ? do_raw_spin_unlock+0x53/0x220 [ 49.732503] ? _raw_spin_unlock+0x1e/0x40 [ 49.733287] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.734267] ? static_key_count+0x60/0x80 [ 49.735087] prctl_set_seccomp+0x4e/0x70 [ 49.735876] __do_sys_prctl+0xe6c/0x1d70 [ 49.736611] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.737483] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.738442] ? irqentry_exit+0xf3/0x650 [ 49.739222] do_syscall_64+0xbf/0x430 [ 49.739949] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.740894] RIP: 0033:0x7fc0ecc2f5cd [ 49.741549] 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 [ 49.744729] RSP: 002b:00007ffc3e52b1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.746138] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0ecc2f5cd [ 49.747437] RDX: 000055fceafd8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.748715] RBP: 00007ffc3e52b240 R08: 0000000000000000 R09: 00007ffc3e52a8e0 [ 49.749989] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fceb47dad0 [ 49.751224] R13: 00007ffc3e52b670 R14: 000055fceb47ebc0 R15: 000055fceb48f780 [ 49.752292] [ 49.752646] irq event stamp: 1829 [ 49.753183] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 49.754444] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 49.755709] softirqs last enabled at (1424): [] handle_softirqs+0x50c/0x770 [ 49.756983] softirqs last disabled at (1415): [] __irq_exit_rcu+0xc4/0x100 [ 49.758251] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43033' (ECDSA) to the list of known hosts. 2025/11/17 10:29:10 fuzzer started 2025/11/17 10:29:10 dialing manager at localhost:37895 2025/11/17 10:29:10 checking machine... 2025/11/17 10:29:10 checking revisions... [ 50.588923] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:29:10 testing simple program... [ 50.679169] cgroup: Unknown subsys name 'net' [ 50.738003] cgroup: Unknown subsys name 'cpuset' [ 50.752553] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:29:10 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff88800ef1ff28 RCX=0000000000000001 RDX=ffff88800ef20001 RSI=ffff88800ef1ff18 RDI=ffff88806ce08a90 RBP=ffff88800ef18000 RSP=ffff88806ce08a10 R8 =0000000000000001 R9 =ffff88806ce08ac0 R10=000000000003c9ed R11=000000000000871c R12=ffff88806ce08a01 R13=ffff88806ce08ac8 R14=ffff88800ef1ff18 R15=ffff88806ce08a80 RIP=ffffffff8135eecb 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000556fdd568e78 CR3=0000000005c8a000 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=000000000000006f0000556fdd566840 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=697361622f6372732f2e2e000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000020000000000000002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000002186e1ea4c RBX=0000000000000000 RCX=00000000000006e0 RDX=0000000000000021 RSI=ffff88806cf23b00 RDI=000000000005355c RBP=ffff88806cf23b00 RSP=ffff88806cf087f0 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000ee8c2 R11=0000000000000001 R12=000000000005355c R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf28500 RIP=ffffffff8132e865 RFL=00000017 [----APC] 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=0000556fdd564618 CR3=000000001ee3e000 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=05dfa421b03eab57cb89abc9ff121ee6 XMM02=a85e20dca451eba515042024b50a2a85 XMM03=7b2d73df3af67130abd63c5289bee15b XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=0e0d0c0f0a09080b0605040702010003 XMM08=01000000000000000000000000000001 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000