Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.544688] ------------[ cut here ]------------ [ 45.545650] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.547715] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 45.549218] Modules linked in: [ 45.549816] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.552371] Tainted: [W]=WARN [ 45.552949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.554435] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.555374] 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 [ 45.558602] RSP: 0018:ffff88801629fbc0 EFLAGS: 00010286 [ 45.559597] RAX: 0000000000000000 RBX: ffffed1002c53f78 RCX: ffffffff813a4050 [ 45.560889] RDX: ffff88800f909bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.562191] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c53f2f [ 45.563500] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.564781] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801629fdf8 [ 45.566094] FS: 00007f2589703900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.567562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.568641] CR2: 00007f2589bf5580 CR3: 000000000eaa5000 CR4: 0000000000350ef0 [ 45.569930] Call Trace: [ 45.570439] [ 45.570849] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.571765] ? __create_object+0x59/0x80 [ 45.572552] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.573525] __vmalloc_noprof+0x59/0x60 [ 45.574293] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.575189] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.576141] bpf_prog_alloc+0x39/0x200 [ 45.576832] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.577762] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.578666] do_seccomp+0x349/0x25e0 [ 45.579402] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.580309] ? __pfx_do_seccomp+0x10/0x10 [ 45.581066] ? find_held_lock+0x2b/0x80 [ 45.581836] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.582804] ? static_key_count+0x60/0x80 [ 45.583612] prctl_set_seccomp+0x4e/0x70 [ 45.584402] __do_sys_prctl+0xe6c/0x1d70 [ 45.585193] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.586000] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.586986] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.587971] ? irqentry_exit+0xf3/0x650 [ 45.588737] do_syscall_64+0xbf/0x430 [ 45.589480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.590438] RIP: 0033:0x7f2589bf55cd [ 45.591156] 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 [ 45.594346] RSP: 002b:00007fff5519dd80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.595728] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2589bf55cd [ 45.597029] RDX: 0000562543c86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.598328] RBP: 00007fff5519dde0 R08: 0000000000000000 R09: 00007fff5519d480 [ 45.599621] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562570c1e2b0 [ 45.600913] R13: 00007fff5519e210 R14: 0000562570c20d20 R15: 0000562570c328d0 [ 45.602216] [ 45.602647] irq event stamp: 1851 [ 45.603310] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 45.604849] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 45.606401] softirqs last enabled at (1810): [] handle_softirqs+0x50c/0x770 [ 45.607986] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 45.609518] ---[ end trace 0000000000000000 ]--- [ 48.593013] ------------[ cut here ]------------ [ 48.593806] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.595562] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 48.596823] Modules linked in: [ 48.597380] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.599066] Tainted: [W]=WARN [ 48.599585] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.600823] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.601617] 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 [ 48.604298] RSP: 0018:ffff88801a197bc0 EFLAGS: 00010286 [ 48.605136] RAX: 0000000000000000 RBX: ffffed1003432f78 RCX: ffffffff813a4050 [ 48.606226] RDX: ffff88801a59d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.607330] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003432f2f [ 48.608425] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.609504] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a197df8 [ 48.610608] FS: 00007fbf001f2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.611857] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.612781] CR2: 00007fbf006e4580 CR3: 000000001f64c000 CR4: 0000000000350ef0 [ 48.613887] Call Trace: [ 48.614331] [ 48.614679] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.615465] ? __create_object+0x59/0x80 [ 48.616127] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.616932] __vmalloc_noprof+0x59/0x60 [ 48.617593] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.618360] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.619161] bpf_prog_alloc+0x39/0x200 [ 48.619766] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.620579] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.621359] do_seccomp+0x349/0x25e0 [ 48.621930] ? __pfx_css_rstat_updated+0x10/0x10 [ 48.622718] ? __pfx_do_seccomp+0x10/0x10 [ 48.623403] ? find_held_lock+0x2b/0x80 [ 48.624015] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.624845] ? static_key_count+0x60/0x80 [ 48.625537] prctl_set_seccomp+0x4e/0x70 [ 48.626192] __do_sys_prctl+0xe6c/0x1d70 [ 48.626828] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.627580] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.628423] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.629238] ? irqentry_exit+0xf3/0x650 [ 48.629889] do_syscall_64+0xbf/0x430 [ 48.630535] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.631365] RIP: 0033:0x7fbf006e45cd [ 48.631933] 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 [ 48.634647] RSP: 002b:00007ffc0601f7c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.635832] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbf006e45cd [ 48.636931] RDX: 0000556f86ad5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.638213] RBP: 00007ffc0601f820 R08: 0000000000000000 R09: 00007ffc0601eec0 [ 48.639560] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556fa15f0ad0 [ 48.640911] R13: 00007ffc0601fc50 R14: 0000556fa15f1bc0 R15: 0000556fa1602780 [ 48.642279] [ 48.642728] irq event stamp: 1697 [ 48.643438] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 48.645017] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 48.646520] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 48.647869] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 48.649156] ---[ end trace 0000000000000000 ]--- [ 49.454988] ------------[ cut here ]------------ [ 49.455904] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.458416] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 49.460360] Modules linked in: [ 49.461197] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.463728] Tainted: [W]=WARN [ 49.464501] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.466044] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.466988] 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 [ 49.470197] RSP: 0018:ffff88800f497bc0 EFLAGS: 00010286 [ 49.471212] RAX: 0000000000000000 RBX: ffffed1001e92f78 RCX: ffffffff813a4050 [ 49.472545] RDX: ffff888015b69bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.473839] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e92f2f [ 49.475161] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.476485] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f497df8 [ 49.477804] FS: 00007f1bca3ab900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.479476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.480540] CR2: 00007ffc35732ef7 CR3: 000000000b818000 CR4: 0000000000350ef0 [ 49.481865] Call Trace: [ 49.482411] [ 49.482824] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.483757] ? __create_object+0x59/0x80 [ 49.484577] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.485626] __vmalloc_noprof+0x59/0x60 [ 49.486428] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.487343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.488297] bpf_prog_alloc+0x39/0x200 [ 49.488998] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.489942] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.490887] do_seccomp+0x349/0x25e0 [ 49.491654] ? find_held_lock+0x2b/0x80 [ 49.492438] ? do_prlimit+0x310/0x610 [ 49.493184] ? __pfx_do_seccomp+0x10/0x10 [ 49.493941] ? do_raw_spin_unlock+0x53/0x220 [ 49.494810] ? _raw_spin_unlock+0x1e/0x40 [ 49.495649] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.496630] ? static_key_count+0x60/0x80 [ 49.497456] prctl_set_seccomp+0x4e/0x70 [ 49.498243] __do_sys_prctl+0xe6c/0x1d70 [ 49.499040] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.499977] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.500978] ? irqentry_exit+0xf3/0x650 [ 49.501767] do_syscall_64+0xbf/0x430 [ 49.502542] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.503552] RIP: 0033:0x7f1bca89d5cd [ 49.504260] 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 [ 49.507533] RSP: 002b:00007ffc35730e40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.508945] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1bca89d5cd [ 49.510270] RDX: 0000562573caae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.511613] RBP: 00007ffc35730ea0 R08: 0000000000000000 R09: 00007ffc35730540 [ 49.512925] R10: 0000000000000000 R11: 0000000000000246 R12: 000056258f83ead0 [ 49.514227] R13: 00007ffc357312d0 R14: 000056258f83fbc0 R15: 000056258f850780 [ 49.515571] [ 49.516002] irq event stamp: 1777 [ 49.516678] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 49.518213] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 49.519788] softirqs last enabled at (1700): [] handle_softirqs+0x50c/0x770 [ 49.521393] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 49.522951] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30169' (ECDSA) to the list of known hosts. 2025/11/17 19:10:15 fuzzer started 2025/11/17 19:10:15 dialing manager at localhost:37895 2025/11/17 19:10:16 checking machine... 2025/11/17 19:10:16 checking revisions... [ 50.446438] kmemleak: Automatic memory scanning thread ended 2025/11/17 19:10:16 testing simple program... [ 50.688142] cgroup: Unknown subsys name 'net' [ 50.753817] cgroup: Unknown subsys name 'cpuset' [ 50.766034] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 19:10:15 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce08a80 RCX=ffff88806ce089d4 RDX=1ffff1100d9c115b RSI=ffffffff85e1ffe0 RDI=ffffffff81b2a134 RBP=ffff88806ce08ad8 RSP=ffff88806ce08a68 R8 =ffffffff86ab82c2 R9 =ffff88806ce08ac0 R10=000000000003c9ed R11=00000000000255cb R12=ffff88806ce08b48 R13=0000000000000000 R14=ffff88801a59b780 R15=ffff888009462280 RIP=ffffffff8135e1c7 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 00007fbf001f2900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbf007a9618 CR3=000000001f64f000 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=000000000002727f 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 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f16e0b19008 CR3=000000000d53f000 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=2034313a30313a393120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034313a30313a3931203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000