Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.032111] ------------[ cut here ]------------ [ 39.033066] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.035076] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.036574] Modules linked in: [ 39.037191] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.039213] Tainted: [W]=WARN [ 39.039831] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.041294] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.042219] 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 [ 39.045410] RSP: 0018:ffff88800f67fbc0 EFLAGS: 00010286 [ 39.046376] RAX: 0000000000000000 RBX: ffffed1001ecff78 RCX: ffffffff813a4050 [ 39.047681] RDX: ffff888016131bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.048975] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ecff2f [ 39.050255] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.051561] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f67fdf8 [ 39.052860] FS: 00007fd2e77da900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.054328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.055403] CR2: 00007ffead17cef8 CR3: 000000000d779000 CR4: 0000000000350ef0 [ 39.056732] Call Trace: [ 39.057195] [ 39.057661] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.058549] ? __create_object+0x59/0x80 [ 39.059291] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.060249] __vmalloc_noprof+0x59/0x60 [ 39.061029] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.061914] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.062855] bpf_prog_alloc+0x39/0x200 [ 39.063612] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.064542] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.065395] do_seccomp+0x349/0x25e0 [ 39.066117] ? find_held_lock+0x2b/0x80 [ 39.066878] ? do_prlimit+0x310/0x610 [ 39.067649] ? __pfx_do_seccomp+0x10/0x10 [ 39.068384] ? do_raw_spin_unlock+0x53/0x220 [ 39.069224] ? _raw_spin_unlock+0x1e/0x40 [ 39.070011] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.070980] ? static_key_count+0x60/0x80 [ 39.071809] prctl_set_seccomp+0x4e/0x70 [ 39.072603] __do_sys_prctl+0xe6c/0x1d70 [ 39.073359] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.074214] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.075199] ? irqentry_exit+0xf3/0x650 [ 39.075971] do_syscall_64+0xbf/0x430 [ 39.076727] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.077701] RIP: 0033:0x7fd2e7ccc5cd [ 39.078369] 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 [ 39.081544] RSP: 002b:00007ffead17ad70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.082911] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2e7ccc5cd [ 39.084220] RDX: 000055ada3d95e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.085511] RBP: 00007ffead17add0 R08: 0000000000000000 R09: 00007ffead17a470 [ 39.086795] R10: 0000000000000000 R11: 0000000000000246 R12: 000055adc317e240 [ 39.088167] R13: 00007ffead17b200 R14: 000055adc317dbf0 R15: 000055adc31924d0 [ 39.089485] [ 39.089920] irq event stamp: 1771 [ 39.090568] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 39.092112] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 39.093378] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 39.094691] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 39.095960] ---[ end trace 0000000000000000 ]--- [ 42.520540] ------------[ cut here ]------------ [ 42.521504] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.523546] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.525050] Modules linked in: [ 42.525709] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.527807] Tainted: [W]=WARN [ 42.528380] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.529919] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.530871] 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 [ 42.534153] RSP: 0018:ffff888014adfbc0 EFLAGS: 00010286 [ 42.535169] RAX: 0000000000000000 RBX: ffffed100295bf78 RCX: ffffffff813a4050 [ 42.536502] RDX: ffff888016475340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.537853] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100295bf2f [ 42.539173] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.540504] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888014adfdf8 [ 42.541828] FS: 00007fe6dd0ec900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.543332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.544441] CR2: 00007fe6dd6524a6 CR3: 000000001f65a000 CR4: 0000000000350ef0 [ 42.545760] Call Trace: [ 42.546228] [ 42.546705] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.547638] ? __create_object+0x59/0x80 [ 42.548401] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.549410] __vmalloc_noprof+0x59/0x60 [ 42.550202] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.551120] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.552085] bpf_prog_alloc+0x39/0x200 [ 42.552849] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.553804] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.554738] do_seccomp+0x349/0x25e0 [ 42.555489] ? find_held_lock+0x2b/0x80 [ 42.556210] ? do_prlimit+0x310/0x610 [ 42.556971] ? __pfx_do_seccomp+0x10/0x10 [ 42.557790] ? do_raw_spin_unlock+0x53/0x220 [ 42.558640] ? _raw_spin_unlock+0x1e/0x40 [ 42.559402] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.560401] ? static_key_count+0x60/0x80 [ 42.561229] prctl_set_seccomp+0x4e/0x70 [ 42.562027] __do_sys_prctl+0xe6c/0x1d70 [ 42.562826] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.563732] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.564738] ? irqentry_exit+0xf3/0x650 [ 42.565519] do_syscall_64+0xbf/0x430 [ 42.566225] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.567197] RIP: 0033:0x7fe6dd5de5cd [ 42.567907] 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 [ 42.571166] RSP: 002b:00007ffe5e8eef90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.572536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe6dd5de5cd [ 42.573838] RDX: 0000558d84e36e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.575143] RBP: 00007ffe5e8eeff0 R08: 0000000000000000 R09: 00007ffe5e8ee690 [ 42.576472] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558da0002ad0 [ 42.577731] R13: 00007ffe5e8ef420 R14: 0000558da0003bc0 R15: 0000558da0014780 [ 42.579022] [ 42.579504] irq event stamp: 1741 [ 42.580105] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.581580] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.583070] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 42.584598] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 42.586049] ---[ end trace 0000000000000000 ]--- [ 43.406711] ------------[ cut here ]------------ [ 43.407628] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.409639] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.411124] Modules linked in: [ 43.411742] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.413731] Tainted: [W]=WARN [ 43.414297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.415781] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.416700] 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 [ 43.420111] RSP: 0018:ffff888015ed7bc0 EFLAGS: 00010286 [ 43.421151] RAX: 0000000000000000 RBX: ffffed1002bdaf78 RCX: ffffffff813a4050 [ 43.422463] RDX: ffff88800f3b8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.423743] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bdaf2f [ 43.425021] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.426311] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ed7df8 [ 43.427612] FS: 00007f53667e0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.429035] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.430099] CR2: 00007ffd30797ef8 CR3: 000000000b632000 CR4: 0000000000350ef0 [ 43.431408] Call Trace: [ 43.431916] [ 43.432316] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.433216] ? __create_object+0x59/0x80 [ 43.433990] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.434948] __vmalloc_noprof+0x59/0x60 [ 43.435704] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.436608] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.437553] bpf_prog_alloc+0x39/0x200 [ 43.438256] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.439173] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.440068] do_seccomp+0x349/0x25e0 [ 43.440792] ? find_held_lock+0x2b/0x80 [ 43.441549] ? do_prlimit+0x310/0x610 [ 43.442243] ? __pfx_do_seccomp+0x10/0x10 [ 43.443024] ? do_raw_spin_unlock+0x53/0x220 [ 43.443870] ? _raw_spin_unlock+0x1e/0x40 [ 43.444648] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.445620] ? static_key_count+0x60/0x80 [ 43.446376] prctl_set_seccomp+0x4e/0x70 [ 43.447153] __do_sys_prctl+0xe6c/0x1d70 [ 43.447915] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.448758] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.449733] ? irqentry_exit+0xf3/0x650 [ 43.450492] do_syscall_64+0xbf/0x430 [ 43.451201] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.452146] RIP: 0033:0x7f5366cd25cd [ 43.452832] 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 [ 43.456036] RSP: 002b:00007ffd307955b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.457399] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5366cd25cd [ 43.458693] RDX: 000055ce526c9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.459992] RBP: 00007ffd30795610 R08: 0000000000000000 R09: 00007ffd30794cb0 [ 43.461279] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ce8a078ad0 [ 43.462570] R13: 00007ffd30795a40 R14: 000055ce8a079bc0 R15: 000055ce8a08a780 [ 43.463876] [ 43.464302] irq event stamp: 1841 [ 43.464964] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 43.466468] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 43.468006] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 43.469568] softirqs last disabled at (1753): [] __irq_exit_rcu+0xc4/0x100 [ 43.471055] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45986' (ECDSA) to the list of known hosts. 2025/11/19 00:11:45 fuzzer started 2025/11/19 00:11:46 dialing manager at localhost:34383 2025/11/19 00:11:46 checking machine... 2025/11/19 00:11:46 checking revisions... [ 44.410936] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:11:46 testing simple program... [ 44.504556] cgroup: Unknown subsys name 'net' [ 44.568871] cgroup: Unknown subsys name 'cpuset' [ 44.586134] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:11:45 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00000000ffffff9c RCX=ffffffff81b778c9 RDX=ffff8880174e7e98 RSI=00007fe6dd0c7b31 RDI=00000000ffffff9c RBP=1ffff11002e9cfcf RSP=ffff8880174e7e68 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000000 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=00007fe6dd0c7b31 R15=0000000000008000 RIP=ffffffff81b768b2 RFL=00000293 [--S-A-C] 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 00007fe6dd0ec900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe6dd6a1650 CR3=000000001f6e8000 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=ffffffff00ffffffffffffffffffffff XMM01=707465675f6c697475646f6d6d61705f XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=1330e8be87697700 RCX=ffff888015f17a84 RDX=1ffff1100d9e6e6a RSI=ffff888019dc1bc0 RDI=ffff888015d93780 RBP=ffff888015f17bd0 RSP=ffff888016967d60 R8 =0000000000000001 R9 =ffff888019dc1bc0 R10=0000000000000001 R11=1ffff1100d9e7003 R12=0000000000000004 R13=ffff888019dc20d0 R14=ffff88806cf37340 R15=0000000000000001 RIP=ffffffff81204b14 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 00007fb50e6ce900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000558da005a000 CR3=000000000e4d6000 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=72373a9fa59e7b8c1b44b90ced80066f XMM02=2c67c8bc2e329bc30000000000301ff8 XMM03=fb795ef6d6577056000000000030da80 XMM04=5dd1f3b31236d69a00000000000ae988 XMM05=a79ab67239fb50160000000000320078 XMM06=817b8945e9d50373000000000031e9b0 XMM07=e042d86d42eb936e000000000030dd58 XMM08=246e18936451b3470000000000302058 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000