Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.943348] ------------[ cut here ]------------ [ 38.944223] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.946325] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 38.947778] Modules linked in: [ 38.948414] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.950431] Tainted: [W]=WARN [ 38.950987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.952454] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.953368] 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 [ 38.956579] RSP: 0018:ffff888015f67bc0 EFLAGS: 00010286 [ 38.957559] RAX: 0000000000000000 RBX: ffffed1002becf78 RCX: ffffffff813a4050 [ 38.958866] RDX: ffff888009a8d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.960149] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002becf2f [ 38.961420] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.962705] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f67df8 [ 38.964011] FS: 00007f897c2ee900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.965472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.966552] CR2: 00007f897c8544a6 CR3: 000000000b754000 CR4: 0000000000350ef0 [ 38.967838] Call Trace: [ 38.968357] [ 38.968775] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.969685] ? __create_object+0x59/0x80 [ 38.970496] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.971502] __vmalloc_noprof+0x59/0x60 [ 38.972218] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.973111] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.974051] bpf_prog_alloc+0x39/0x200 [ 38.974784] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.975728] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.976641] do_seccomp+0x349/0x25e0 [ 38.977361] ? find_held_lock+0x2b/0x80 [ 38.978086] ? do_prlimit+0x310/0x610 [ 38.978827] ? __pfx_do_seccomp+0x10/0x10 [ 38.979619] ? do_raw_spin_unlock+0x53/0x220 [ 38.980454] ? _raw_spin_unlock+0x1e/0x40 [ 38.981195] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.982171] ? static_key_count+0x60/0x80 [ 38.982968] prctl_set_seccomp+0x4e/0x70 [ 38.983742] __do_sys_prctl+0xe6c/0x1d70 [ 38.984519] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.985391] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.986380] ? irqentry_exit+0xf3/0x650 [ 38.987105] do_syscall_64+0xbf/0x430 [ 38.987836] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.988793] RIP: 0033:0x7f897c7e05cd [ 38.989496] 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 [ 38.992696] RSP: 002b:00007ffe3759cf70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.994107] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f897c7e05cd [ 38.995391] RDX: 0000564b7d654e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.996678] RBP: 00007ffe3759cfd0 R08: 0000000000000000 R09: 00007ffe3759c670 [ 38.997989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564b87ebebf0 [ 38.999295] R13: 00007ffe3759d400 R14: 0000564b87ec8380 R15: 0000564b87ed3460 [ 39.000617] [ 39.001043] irq event stamp: 1735 [ 39.001696] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 39.003280] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 39.004826] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 39.006386] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 39.007657] ---[ end trace 0000000000000000 ]--- [ 42.484983] ------------[ cut here ]------------ [ 42.485916] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.487952] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.489415] Modules linked in: [ 42.490025] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.491984] Tainted: [W]=WARN [ 42.492595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.494094] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.495016] 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 [ 42.498219] RSP: 0018:ffff8880166d7bc0 EFLAGS: 00010286 [ 42.499196] RAX: 0000000000000000 RBX: ffffed1002cdaf78 RCX: ffffffff813a4050 [ 42.500487] RDX: ffff888013a98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.501810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdaf2f [ 42.503131] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.504440] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166d7df8 [ 42.505745] FS: 00007f17a2837900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.507199] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.508280] CR2: 00007ffc8ec1cef7 CR3: 00000000189da000 CR4: 0000000000350ef0 [ 42.509604] Call Trace: [ 42.510098] [ 42.510560] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.511479] ? __create_object+0x59/0x80 [ 42.512277] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.513210] __vmalloc_noprof+0x59/0x60 [ 42.514051] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.515132] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.516297] bpf_prog_alloc+0x39/0x200 [ 42.517149] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.518138] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.519042] do_seccomp+0x349/0x25e0 [ 42.519776] ? find_held_lock+0x2b/0x80 [ 42.520546] ? do_prlimit+0x310/0x610 [ 42.521291] ? __pfx_do_seccomp+0x10/0x10 [ 42.522051] ? do_raw_spin_unlock+0x53/0x220 [ 42.522885] ? _raw_spin_unlock+0x1e/0x40 [ 42.523665] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.524635] ? static_key_count+0x60/0x80 [ 42.525447] prctl_set_seccomp+0x4e/0x70 [ 42.526201] __do_sys_prctl+0xe6c/0x1d70 [ 42.526989] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.527852] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.528839] ? irqentry_exit+0xf3/0x650 [ 42.529618] do_syscall_64+0xbf/0x430 [ 42.530379] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.531325] RIP: 0033:0x7f17a2d295cd [ 42.532002] 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 [ 42.535214] RSP: 002b:00007ffc8ec1bcd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.536617] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f17a2d295cd [ 42.537937] RDX: 0000559f1d57be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.539224] RBP: 00007ffc8ec1bd30 R08: 0000000000000000 R09: 00007ffc8ec1b3d0 [ 42.540541] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f40a9f2b0 [ 42.541833] R13: 00007ffc8ec1c160 R14: 0000559f40aa1d20 R15: 0000559f40ab38d0 [ 42.543141] [ 42.543630] irq event stamp: 1713 [ 42.544293] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 42.545821] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.547374] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 42.548910] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 42.550438] ---[ end trace 0000000000000000 ]--- [ 43.327747] ------------[ cut here ]------------ [ 43.328698] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.330720] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 43.332186] Modules linked in: [ 43.332869] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.334891] Tainted: [W]=WARN [ 43.335492] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.336979] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.337915] 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 [ 43.341118] RSP: 0018:ffff888016bafbc0 EFLAGS: 00010286 [ 43.342087] RAX: 0000000000000000 RBX: ffffed1002d75f78 RCX: ffffffff813a4050 [ 43.343391] RDX: ffff888015b98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.344708] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d75f2f [ 43.346022] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.347318] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bafdf8 [ 43.348613] FS: 00007fb2e1ca9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.350106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.351191] CR2: 00007ffeacf0def7 CR3: 000000000ec45000 CR4: 0000000000350ef0 [ 43.352508] Call Trace: [ 43.352987] [ 43.353429] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.354367] ? __create_object+0x59/0x80 [ 43.355120] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.356094] __vmalloc_noprof+0x59/0x60 [ 43.356852] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.357757] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.358715] bpf_prog_alloc+0x39/0x200 [ 43.359452] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.360389] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.361292] do_seccomp+0x349/0x25e0 [ 43.361972] ? find_held_lock+0x2b/0x80 [ 43.362747] ? do_prlimit+0x310/0x610 [ 43.363513] ? __pfx_do_seccomp+0x10/0x10 [ 43.364302] ? do_raw_spin_unlock+0x53/0x220 [ 43.365094] ? _raw_spin_unlock+0x1e/0x40 [ 43.365882] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.366854] ? static_key_count+0x60/0x80 [ 43.367658] prctl_set_seccomp+0x4e/0x70 [ 43.368442] __do_sys_prctl+0xe6c/0x1d70 [ 43.369210] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.370117] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.371080] ? irqentry_exit+0xf3/0x650 [ 43.371856] do_syscall_64+0xbf/0x430 [ 43.372611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.373577] RIP: 0033:0x7fb2e219b5cd [ 43.374307] 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 [ 43.377509] RSP: 002b:00007ffeacf0b930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.378901] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2e219b5cd [ 43.380205] RDX: 0000559ff401be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.381512] RBP: 00007ffeacf0b990 R08: 0000000000000000 R09: 00007ffeacf0b030 [ 43.382828] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a015ebf240 [ 43.384137] R13: 00007ffeacf0bdc0 R14: 000055a015ebebf0 R15: 000055a015ed34d0 [ 43.385430] [ 43.385879] irq event stamp: 1777 [ 43.386525] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 43.388063] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 43.389582] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 43.391164] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 43.392700] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11247' (ECDSA) to the list of known hosts. 2025/11/18 21:03:28 fuzzer started 2025/11/18 21:03:28 dialing manager at localhost:34383 2025/11/18 21:03:28 checking machine... 2025/11/18 21:03:28 checking revisions... [ 44.274276] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:03:29 testing simple program... [ 44.368154] cgroup: Unknown subsys name 'net' [ 44.423055] cgroup: Unknown subsys name 'cpuset' [ 44.439013] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:03:28 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=0000000000000200 RCX=0000000000000000 RDX=0000000000000008 RSI=ffff88800f3add98 RDI=ffff88800f3ad340 RBP=ffff88800f3ad340 RSP=ffff888016ecf168 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000000 R14=ffff88800f3add98 R15=0000000000000005 RIP=ffffffff81526594 RFL=00000007 [-----PC] 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 00007f17a2837900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f17a2dee618 CR3=000000000d295000 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=000000000002aa29 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f17f471d1d0 CR3=000000000b7fd000 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=2037323a33303a313220383120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037323a33303a3132203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000