Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.021861] ------------[ cut here ]------------ [ 39.022874] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.025053] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.026702] Modules linked in: [ 39.027381] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.029492] Tainted: [W]=WARN [ 39.030134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.031687] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.032661] 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 [ 39.036049] RSP: 0018:ffff888016d97bc0 EFLAGS: 00010286 [ 39.037087] RAX: 0000000000000000 RBX: ffffed1002db2f78 RCX: ffffffff813a4050 [ 39.038483] RDX: ffff88801600d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.039849] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db2f2f [ 39.041218] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.042595] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d97df8 [ 39.043967] FS: 00007fdee0823900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.045513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.046665] CR2: 00007fdee0d15580 CR3: 000000001bb6f000 CR4: 0000000000350ef0 [ 39.048053] Call Trace: [ 39.048587] [ 39.049036] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.050009] ? __create_object+0x59/0x80 [ 39.050855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.051889] __vmalloc_noprof+0x59/0x60 [ 39.052705] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.053631] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.054642] bpf_prog_alloc+0x39/0x200 [ 39.055430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.056437] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.057399] do_seccomp+0x349/0x25e0 [ 39.058190] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.059159] ? __pfx_do_seccomp+0x10/0x10 [ 39.059957] ? find_held_lock+0x2b/0x80 [ 39.060774] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.061813] ? static_key_count+0x60/0x80 [ 39.062693] prctl_set_seccomp+0x4e/0x70 [ 39.063527] __do_sys_prctl+0xe6c/0x1d70 [ 39.064374] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.065299] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.066353] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.067400] ? irqentry_exit+0xf3/0x650 [ 39.068220] do_syscall_64+0xbf/0x430 [ 39.068973] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.069998] RIP: 0033:0x7fdee0d155cd [ 39.070750] 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 [ 39.074153] RSP: 002b:00007fff89c23610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.075594] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdee0d155cd [ 39.076951] RDX: 00005589c8950e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.078329] RBP: 00007fff89c23670 R08: 0000000000000000 R09: 00007fff89c22d10 [ 39.079690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a0427db10 [ 39.081037] R13: 00007fff89c23aa0 R14: 0000558a0427e2b0 R15: 0000558a042926f0 [ 39.082419] [ 39.082867] irq event stamp: 1787 [ 39.083549] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 39.085149] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 39.086706] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 39.088156] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 39.089572] ---[ end trace 0000000000000000 ]--- [ 42.733453] ------------[ cut here ]------------ [ 42.734407] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.736391] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 42.737837] Modules linked in: [ 42.738487] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.740457] Tainted: [W]=WARN [ 42.741012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.742474] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.743373] 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 [ 42.746587] RSP: 0018:ffff8880188dfbc0 EFLAGS: 00010286 [ 42.747568] RAX: 0000000000000000 RBX: ffffed100311bf78 RCX: ffffffff813a4050 [ 42.748854] RDX: ffff8880160e9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.750155] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100311bf2f [ 42.751445] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.752733] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880188dfdf8 [ 42.754025] FS: 00007fa5c270a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.755478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.756539] CR2: 00007ffe117ebef8 CR3: 00000000207b9000 CR4: 0000000000350ef0 [ 42.757842] Call Trace: [ 42.758363] [ 42.758770] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.759681] ? __create_object+0x59/0x80 [ 42.760477] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.761448] __vmalloc_noprof+0x59/0x60 [ 42.762224] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.763051] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.763974] bpf_prog_alloc+0x39/0x200 [ 42.764708] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.765640] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.766559] do_seccomp+0x349/0x25e0 [ 42.767286] ? find_held_lock+0x2b/0x80 [ 42.768006] ? do_prlimit+0x310/0x610 [ 42.768748] ? __pfx_do_seccomp+0x10/0x10 [ 42.769548] ? do_raw_spin_unlock+0x53/0x220 [ 42.770401] ? _raw_spin_unlock+0x1e/0x40 [ 42.771179] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.772089] ? static_key_count+0x60/0x80 [ 42.772902] prctl_set_seccomp+0x4e/0x70 [ 42.773676] __do_sys_prctl+0xe6c/0x1d70 [ 42.774462] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.775321] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.776287] ? irqentry_exit+0xf3/0x650 [ 42.777010] do_syscall_64+0xbf/0x430 [ 42.777756] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.778727] RIP: 0033:0x7fa5c2bfc5cd [ 42.779452] 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 [ 42.782628] RSP: 002b:00007ffe117e9fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.784011] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa5c2bfc5cd [ 42.785291] RDX: 000056496b3e0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.786592] RBP: 00007ffe117ea010 R08: 0000000000000000 R09: 00007ffe117e96b0 [ 42.787879] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564997558ad0 [ 42.789165] R13: 00007ffe117ea440 R14: 0000564997559bc0 R15: 000056499756a780 [ 42.790485] [ 42.790900] irq event stamp: 1691 [ 42.791545] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 42.793087] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 42.794580] softirqs last enabled at (1614): [] handle_softirqs+0x50c/0x770 [ 42.795882] softirqs last disabled at (1609): [] __irq_exit_rcu+0xc4/0x100 [ 42.797147] ---[ end trace 0000000000000000 ]--- [ 43.592627] ------------[ cut here ]------------ [ 43.593642] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.595821] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.597644] Modules linked in: [ 43.598488] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.600654] Tainted: [W]=WARN [ 43.601315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.602949] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.603957] 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 [ 43.607472] RSP: 0018:ffff88801a777bc0 EFLAGS: 00010286 [ 43.608564] RAX: 0000000000000000 RBX: ffffed10034eef78 RCX: ffffffff813a4050 [ 43.609994] RDX: ffff8880160e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.611434] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034eef2f [ 43.612869] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.614305] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a777df8 [ 43.615736] FS: 00007f450cfdd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.617354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.618566] CR2: 00007ffcd5438ef8 CR3: 000000000d2c8000 CR4: 0000000000350ef0 [ 43.620050] Call Trace: [ 43.620630] [ 43.621145] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.622179] ? __create_object+0x59/0x80 [ 43.623006] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.624117] __vmalloc_noprof+0x59/0x60 [ 43.624925] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.625924] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.626998] bpf_prog_alloc+0x39/0x200 [ 43.627841] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.628891] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.629909] do_seccomp+0x349/0x25e0 [ 43.630737] ? find_held_lock+0x2b/0x80 [ 43.631600] ? do_prlimit+0x310/0x610 [ 43.632444] ? __pfx_do_seccomp+0x10/0x10 [ 43.633339] ? do_raw_spin_unlock+0x53/0x220 [ 43.634296] ? _raw_spin_unlock+0x1e/0x40 [ 43.635181] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.636183] ? static_key_count+0x60/0x80 [ 43.636942] prctl_set_seccomp+0x4e/0x70 [ 43.637720] __do_sys_prctl+0xe6c/0x1d70 [ 43.638507] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.639378] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.640359] ? irqentry_exit+0xf3/0x650 [ 43.641077] do_syscall_64+0xbf/0x430 [ 43.641814] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.642788] RIP: 0033:0x7f450d4cf5cd [ 43.643499] 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 [ 43.646705] RSP: 002b:00007ffcd5437ba0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.648087] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f450d4cf5cd [ 43.649379] RDX: 00005611d4030e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.650703] RBP: 00007ffcd5437c00 R08: 0000000000000000 R09: 00007ffcd54372a0 [ 43.652003] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561200ddf2b0 [ 43.653299] R13: 00007ffcd5438030 R14: 0000561200de1d20 R15: 0000561200df38d0 [ 43.654629] [ 43.655054] irq event stamp: 1845 [ 43.655718] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 43.657240] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 43.658784] softirqs last enabled at (1492): [] handle_softirqs+0x50c/0x770 [ 43.660170] softirqs last disabled at (1481): [] __irq_exit_rcu+0xc4/0x100 [ 43.661515] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29544' (ECDSA) to the list of known hosts. 2025/11/18 20:05:55 fuzzer started 2025/11/18 20:05:55 dialing manager at localhost:34383 2025/11/18 20:05:55 checking machine... 2025/11/18 20:05:55 checking revisions... [ 44.589495] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:05:55 testing simple program... [ 44.688490] cgroup: Unknown subsys name 'net' [ 44.748744] cgroup: Unknown subsys name 'cpuset' [ 44.763879] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:05:54 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888017058000 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88801768d5e0 RBP=ffffffff819e4f10 RSP=ffff888017a17778 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=00000000000000b8 R13=0000000000000000 R14=ffff88800b7de8c0 R15=ffff88800b7de8c0 RIP=ffffffff819e4f3b RFL=00000282 [--S----] 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 00007ff55648c700 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=00007ffedc67cfd8 CR3=000000000b6be000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a32343933332074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323439 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffff11002d73f03 RBX=ffff888016b9f868 RCX=ffff888016b9f870 RDX=ffff888016ba0000 RSI=ffffffff85e1ffe0 RDI=ffff88800a9ad73c RBP=dffffc0000000000 RSP=ffff888016b9f780 R8 =0000000000000001 R9 =ffff888016b9f810 R10=000000000003c9ed R11=0000000000006e2e R12=ffffed1002d73efc R13=ffffed1002d73efb R14=ffff888016b9f818 R15=ffff888016b9f7d0 RIP=ffffffff81360eba RFL=00000246 [---Z-P-] 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 00007ff555c8a700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe117e4000 CR3=000000000b6be000 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=2034353a35303a303220383120766f4e XMM01=73732878696e755f6d6170203a5d3334 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3334325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732034353a35303a3032203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000